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Potato starch factory

October 19, 2018 by cassava processing machine  

The main characteristic of potato starch factory: the whole potato starch production line adopts closed way and spiral flow device which features with low consumption, high efficiency and good product quality.

tarch processing plant (7)

Potato starch factory

The whole process of potato starch factory can be divided into the following units:

1.Potato cleaning unit
In potato starch factory, the first step is cleaning the raw material. The cleaning machine is dry sieve which can effectively remove the small stones, dirt, sand and other impurities out of potato. With the help of the inner spirals, the potato move steady forward without damage the raw material for extraction of starch from potato procedure.

2.Potato washing unit
The cleaned potato is conveyed to the paddle washing machine which is a widely used potato starch processing machine in potato starch factory. The paddle washing machine is a high efficiency washing machine which takes countercurrent washing principle. The water moves in the converse direction with the potato so that the washing effect is greatly improved. The large capacity and easy handling characteristics of this machine makes it save labors for the factory.

3.Potato crushing unit
After cleaning and washing in potato starch factory, the potato will be crushed. Through the screw feeder, the potato goes into the rasper-an efficient crushing machine and being crushed into potato slurry. Due to the crushing efficiency (the percentage of free starch available) is critical to the overall system rate, a special design has been made for the rasper to achieve the highest possible photo crushing efficiency.

cassava grating machine (10)

Potato grating machine

4.Fiber Separation unit
This process is for separating fiber from starch by potato starch processing machine in potato starch factory. Potato starch slurry is pump into the first level centrifuge sieve, the wet fiber comes down from the first screen is then pumped into the second, third and the fourth extraction screen, thus to achieve better separation effect.

5.Sand removal unit
Due to the high sand content in starch, the desander is needed to remove sand form the starch slurry in potato starch factory. The desander can remove sand from starch at one time and improve the product quality to a higher level. The desander separates sand from starch by using different densities of sand and starch.

6.Concentration and refining unit
In potato starch factory, the protein, small fiber and cell contained in potato starch must be separated out. In this process, the clean process water from the last level cyclone station joins in and mixed with starch milk to wash it, thus ensure the washing effect of the cyclone station, and remove the impurities of fiber, protein and other impurities contained in the starch milk better.
In this way, all the indicators of starch produced can be guaranteed to meet the standards.

starch refining hydrocyclone (11)

Potato starch refining machine

7.Starch milk dehydration unit
Starch slurry stays in starch jar after refining in potato starch factory, and then is sent to vacuum filter for dehydrating. The wet starch water content after dehydration is 38-40%.

8.Potato starch drying unit
After dewatering, the water content in starch is still high so it need the drying process in potato starch factory. The potato starch processing machine used in this process is flash dryer. The flash dryer adopts the negative pressure drying system which can effectively reduces the loss of the starch and meanwhile purifies the working environment. The high speed hot air dry the starch just in 2-3 seconds which has an significant energy saving effect.

 

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cassava starch machine

Small scale cassava starch processing plant

October 18, 2018 by cassava processing machine  

The production process of cassava starch is a physical separation process, which separates the starch from fiber, protein and inorganic materials. In small scale cassava starch processing plant, we usually separate starch from starch suspension according to the property of starch, that is, starch is insoluble in cold water and starch proportion is greater than water. By using special cassava starch processing machine, we can achieve the goal of separation starch.

OLYMPUS DIGITAL CAMERA

Small scale cassava starch processing plant

Unit 1. Choosing: In cassava starch production line, it is vital to complete the whole process within the shortest time possible, since as soon as the roots have been dug up, as well as during each of the subsequent stages of manufacture, enzymatic processes are apt to develop with a deteriorating effect on the quality of the end product. This calls for the short processing time, or in other words, high efficient cassava starch processing equipment in small scale cassava starch processing plant.

Unit 2. Cleaning: The newly harvested cassava roots contains weed, stone, siol, sand and other debris. Therefore they need to be cleaned first before further processing in small scale cassava starch processing plant. Dry sieve is the most widely used cleaning machine in cassava processing plant is dry sieve. Designed with multiple inner spiral, this machine can achieve the transportation of cassava during the cleaning process.

Unit 3. Washing: After cleaning process in small scale cassava starch processing plant, the cassava will be transported into the paddle washing machine to washing the impurities attached to cassava.  By the effort of the paddle rotating, the cassava moves in reverse with the water in the washing tank which can remove the sand and mud effectively.

cassava grating machine (3)

Cassava grating machine

Unit 4. Cutting: We use cutting machine to cut cassava into small pieces so that it is easier to be grated in small scale cassava starch processing plant. The blade is treated by special technology and is durable.

Unit 5. Crushing: After cutting, the small cassava pieces are transported into rasper to grate in small scale cassava starch processing plant. The process of cassava changes into slurry is also the process of the bound starch turns into free starch in cassava starch manufacturing process. The rasper is bio-directional rasper which ensures a 94% breakage rate.

Unit 6. Separating: The cassava slurry contains many impurities, such as fiber, protein and cell sap in small scale cassava starch processing plant. They need to be separated from starch. Centrifuge sieve and fine fiber sieve are the separating machine serves for separating fiber from starch.

cassava starch machine (3)

Cassava starch processing machine

Unit 7. Refining: After the above two process in small scale cassava starch processing plant, there still exists a small amount of insoluble protein, soluble proteins and other impurities.

Hydrocyclone station is composed of several hydrocyclone the number of which depends on the actual situation of the small scale cassava starch processing plant. The machine is designed with sample valve and pressure gage which make it easier to control the starch concentration.

Unit 8. Dewatering: Peeler centrifuge is a widely used machine in small scale cassava starch processing plant whose main function is the separation of solid and liquid. This cassava dewatering machine features with good starch dewatering effect and stable water content of wet starch.

Unit 9. Drying: Flash dryer is used for drying wet starch to meet starch production standard in small scale cassava starch processing plant. The short time of material retention in the dry tower and high heat-exchange rate ensures the starch dried in seconds.

 

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cassava starch machine

Isolation of starch from sweet potato procedure

October 17, 2018 by cassava processing machine  

Sweet potato starch processing is a physical separation process, which separate the starch from the fiber, protein and other impurities by sweet potato starch processing machine. The process of sweet potato manufacturing in isolation of starch from sweet potato mainly includes the following part:
sweet potato choosing-cleaning-washing-cutting and crushing-separating-concentration and refining-dewatering-drying-packing

potato starch manufacturing process (3)

Isolation of starch from sweet potato

1.Choosing and weighting of sweet potato
The quality of sweet potato starch is determined by the raw sweet potatoes. Therefore we need to choose high quality sweet potato without damage in isolation of starch from sweet potato . Then the chosen sweet potatoes are weighed and stored in a sweet potato stack. After that, they are transported by a conveyor to a cleaning machine for sweet potato starch production line.

2.Cleaning and washing process
The widely used sweet potato cleaning equipment is dry sieve. It mainly removes the sand, weed, small stones and other debris of sweet potato. After cleaning in isolation of starch from sweet potato , materials are transported into sweet potato washing unit. Rotary washing machine is a widely used washing equipment. It can effectively avoid the breaking of sweet potatoes in the washing process, so the starch in sweet potatoes can be retained to the maximum extent and the utilization rate is higher.

dry sieve

3.Cutting and crushing process
After cleaning and washing process, the sweet potato is converted to the sweet potato starch machine for cutting in isolation of starch from sweet potato . The main purpose of cutting sweet potato is to make the crushing easier. By cutting the sweet potato into small pieces, it not only make the crushing more thoroughly but also reduce the possible damage caused to the rasper machine. After cutting, the broken pieces goes into the crushing machine. The extensively used crushing machine is rasper. As an important sweet potato starch processing machine, DOING rasper adopts Sweden SKF and Germany Optibelt technology which offers high crushing efficiency and longer service life.

4. Separating process
The crushed sweet potato paste contains other impurities like fiber, protein and cell sap in isolation of starch from sweet potato . Therefore the separating process is needed. It also has an important influence on the starch yield. In sweet potato production line, we use centrifuge sieve for separating fiber out of starch. Professional sweet potato starch production line use multiple-stage centrifugal process to improve the separating effect.

dav

Sweet potato starch refining machine

5.Concentration and refining process
This is also an important step in isolation of starch from sweet potato . It is mainly used for the concentration and refining of starch milk. Meanwhile, it can remove the protein and cell sap which can further improve the starch quality.

6.Starch dewatering process
Even after the concentration, the water content in the starch milk in still high in isolation of starch from sweet potato . After the dewatering process, the water content of the starch should below 40%.

7. Drying and packing process
Then it is the drying and packing process. In isolation of starch from sweet potato , factory usually use flash dryer for drying of starch. The high speed hot air fully mixed with wet starch, by heat exchanging, the wet starch is dried. The whole drying process is completed in an instant. After that, the collected starch is packed into 25kg or 50kg finished products.

 

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cassava starch machine

Potato starch manufacturing process

October 16, 2018 by cassava processing machine  

The potato starch manufacturing process of Ding Company include: cleaning, washing, grinding, separating, desanding, concentration and refining, dehydrating, drying and packaging.

And the following is the detail information about potato starch manufacturing process:

1. Cleaning: In potato starch manufacturing process, the first step is cleaning the raw material. The cleaning machine is dry sieve which can effectively remove the small stones, dirt, sand and other impurities out of potato. With the help of the inner spirals, the potato move steady forward without damage the raw material.

potato starch manufacturing process (3)

Potato starch manufacturing process

2.Washing: The cleaned potato is conveyed to the paddle washing machine which is a widely used potato starch processing machine in potato starch manufacturing process. The paddle washing machine is a high efficiency washing machine which takes countercurrent washing principle. The water moves in the converse direction with the potato so that the washing effect is greatly improved. The large capacity and easy handling characteristics of this machine makes it save labors for the factory.

3. Grinding: potato starch manufacturing process emphasize grinding as one of the most important working procedure in potato starch processing plant, it relates to the fresh potato starch yield and quality of starch. Therefore the grinding process requires to break potato cell as much as possible to release more free starch granules.

centrifuge sieve

Potato starch separating machine

4.Separating: The separating process in potato starch manufacturing process is mainly for the separation of fiber and the potato starch. The centrifuge sieve and fine fiber sieve are used in this process. The centrifuge sieve utilizes the high speed centrifugal force to separate fiber and starch. Normally in order to achieve better separation effect, potato starch processing line adopts multi-stage centrifuge process.

5. Desanding: Desander is mainly used for remove sand content from starch slurry. Due to sand in potato starch slurry will influence the taste of the final starch, the desanding is a necessary procedure in potato starch manufacturing process. According to the principle of specific gravity separation, desander can effectively separete the sand from starch.

6. Concentration and refining: Hydrocyclone station is a potato starch processing machine mainly which is mainly used for remove protein, fine fiber, cell sap out of slurry in potato starch manufacturing process. Doing Company full hydrocyclone technology includes concentration, refining and recycling process. The hydrocyclone pipe is made of strengthened nylon material.

starch refining hydrocyclone (6)
Potato starch refining machine

7. Dehydrating: After that, the starch need to be dehydrated in the vacuum filter. The vacuum filter is widely used starch dehydration device in potato starch manufacturing process. With good performance and high dehydrating rate, DOING vacuum filter is a good choice for starch production enterprise.

8. Drying and packing: The dehydrated starch cake is transported to the feed inlet of the flash dryer through the conveyor belt in potato starch manufacturing process. The wet starch is heated by the high speed hot air and the water evaporates. After drying, the collected starch is packaged into finished products by packaging machine.

Doing Company has been committed to the development and manufacture of deep processing equipment for potato starch manufacturing process for many years. And we have rich processing experience, high performance potato starch processing machine and irreplaceable historical accumulation.Your visit is welcomed.

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cassava starch machine

How to make tapioca flour from cassava?

October 15, 2018 by cassava processing machine  

As a major cassava processed product, the cassava starch are processed after a serious of complicated procedure. For the question of how to make tapioca flour from cassava, the used machine for the process includes the dry sieve, the paddle wash machine, the cassava peeling machine, the rasper, the centrifuge sieve, the fine fiber sieve, the dis separator , the hydrocyclone station , the vacuum filter and the flash dryer.

cassava starch production line (11)

How to make tapioca flour from cassava

1. Choosing: In the processing of how to make tapioca flour from cassava, it is vital to complete the whole process within the shortest time possible, since as soon as the roots have been dug up, as well as during each of the subsequent stages of manufacture, enzymatic processes are apt to develop with a deteriorating effect on the quality of the end product. This calls for the short processing time, or in other words, high efficient cassava starch processing machine. Thus, while simple in principle, the manufacture of a good cassava starch requires great care.

2. Washing and cleaning: The firstly used equipment for how to make tapioca flour from cassavais the dry sieve which is mainly used for removing sand, small stones, dirt and other attached impurities from cassava. The dry sieve is designed with reasonable rotating speed which ensures a stable running and reduce the damage to material. After cleaning, the cassava will be washed in the paddle washing machine. This cassava starch extraction equipment adopts the countercurrent washing principle. In this way, the cassava in the washing tank flows in the reverse direction against the water, thus the cassava is washed thoroughly.

3. Grating: After that, the cassava will be grated by the rasper for the process of how to make tapioca flour from cassava. The rasper introduces the new technology of the German and the Sweden which is an important achievement of Doing company cooperate with the advanced technology.

cassava grinding machine (10)

Cassava grating machine

4. Separating: The cassava slurry contains many impurities, such as fiber, protein and cell sap. They need to be separated from starch for how to make tapioca flour from cassava. Centrifuge sieve and fine fiber sieve are the separating machine serves for separating fiber from starch. In cassava starch processing plant, we normally use four to five stage centrifuge sieve in order to achieve better separation effect. Fine fiber sieve is a low speed centrifugal machine which is mainly for removing fine fiber out of starch. Normally, after the separation of these two machine, the fiber can be effectively removed.

5.Concentrating and refining: After separating, the starch slurry still need to be concentrated and refined. In this section for how to make tapioca flour from cassava, the mainly used cassava starch extraction equipment is hydrocyclone station. The main function of hydrocyclone is to remove the fine fiber, protein and cell sap out of starch slurry to make the final starch meet the standard. The hydrocyclone station is composed of several units(the unit number depends on customer's needs) connected in series. The hydrocyclone pipe of DOING is made from material of strengthened nylon.

6. Dehydrating: And the next machine for how to make tapioca flour from cassava is the peeler centrifuge which is a widely used starch dehydration machine. Due to this cassava starch processing machine absorbs the foreign and domestic advanced technology, it offers high dewatering rate.

flash dryer (18)

Cassava starch drying machine

7. Drying and packing: This is the final processing procedure for how to make tapioca flour from cassava. The dewatered cassava starch enters into flash dryer by feed conveyor and mixs with the high speed hot air flow, and the drying process is completed in just a few seconds by heat exchange. After that, the dryed cassava starch are packed into 25kg or 50kg according to different requirements.

Doing Company is a professional cassava deep processing equipment manufacturer. Our engineer can provide professional solution for how to make tapioca flour from cassava. Should you have any interest in cassava deep processing equipment and cassava starch processing plant, welcome to contact us.

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cassava starch machine

How to extract potato starch?

October 11, 2018 by cassava processing machine  

The potato is a good material for how to extract potato starch because it has a high starch content, but contains less protein and fat, and the starch content is 15-25%. Some unique properties of potato starch are not replaceable by other starches, so they are widely used in the food industry. Meanwhile because of their good edible properties, they are more widely used in the field of starch processing industry.

potato starch processing machine (2)

How to extract potato starch

Here is the detail analysis of how to extract potato starch
1. Raw material choosing and receiving: As the first section for how to extract potato starch, the raw material choosing plays an important role in the final starch quality. The breaken potato is easy to rot which will influence the other good materials. Therefore it will be better to choose high quality potato without damage, no deterioration and no moth. Then the chosen potatos are hauled to the storage yard after being weighed.

2. Cleaning and washing: The cleanness of the material have an vital influence on the end products, therefore the cleaning and washing section are important for how to extract potato starch. In this section the attached sand, dirt, weed, soil and other debris of potato are first cleaned in dry sieve and then washed by rotary washing machine. Then the cleaned potato enters into rotary washing machine for further wash the outer impurities. Then the potato is storaged in clean silo waiting for further processing in potato starch processing plant.

 

sweet potato washing machine  (1).jpg

Potato washing machine

3. Grinding: Grinding plays an important role for how to extract potato starch for it determines the starch yield. DOING rasper is a high efficient potato starch processing machine with high grinding coefficient and high extraction rate.

4. Separating and desanding: After crushing, the fiber, protein, cell sap and other materials are released from cell wall for how to extract potato starch. Therefore the separating is needed to separate starch from fiber and other impurities. Separating process mainly remove fiber from starch. And the mainly machine contains centrifuge sieve. After that, the potato starch slurry is pumped by a screw pump into a desander to remove sand particles.

5. Concentration and refining: The starch slurry from the desander unit is transferred to the multi-stage concentration and refining unit. For how to extract potato starch, hydrocyclone station is mainly used for this process. The process water is pumped in from the other end of the hydrocyclone station to wash the starch in a countercurrent way. Usually a full process includes the concentration, recycling and refining of starch milk.

starch dewatering machine (4)

Potato starch dewatering machine

6.Dewatering: Vacuum filter is a extensively used dewatering machine which is mainly for reducing the water content of starch milk for how to extract potato starch. After dewatering, the water content in starch milk is 38%-40%. DOING vacuum filter can achieve continuous automatic production, which ensures a cleaning production environment.

7.Drying and packing: After dewatering, the wet starch is transported to the flash dryer for drying fro how to extract potato starch. The flash dryer takes use of the negative press principle to dry the wet starch which can effectively control the loss of the starch. And the last potato starch processing machine is semi-automatic packaging machine. It can save labors for the factory.

 

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cassava starch machine

Cassava starch extraction process

October 10, 2018 by cassava processing machine  

A complete cassava starch extraction process is composed of the following steps:
Cassava choosing-cassava cleaning and washing-crushing-concentrating-refining-dewatering/dehydrating-drying-packing

cassava starch manufacturing process

 

Cassava starch extraction process

1. Cleaning and washing: The firstly used cassava starch extraction machine in cassava starch extraction process is dry sieve. It is mainly used for removing sand, small stones, dirt and other attached impurities from cassava. The dry sieve is designed with reasonable rotating speed which ensures a stable running and reduce the damage to material. After cleaning, the cassava will be washed in the paddle washing machine. This cassava starch extraction equipment adopts the countercurrent washing principle. In this way, the cassava in the washing tank flows in the reverse direction against the water, thus the cassava is washed thoroughly.

2. Cassava grinding: After that, the cassava will be grinded by the rasper in cassava starch extraction process. The rasper introduces the new technology of the German and the Sweden which is an important achievement of Doing company cooperate with the advanced technology.

3. Starch and residue separation: The next procedure of the cassava starch extraction process is the concentrating process. The purpose of this process is to separate the fiber and starch slurry. Normally in order to have a better separation effect, this process will repeat four or five times according to different requirements of the different materials. For example, sweet potato normally needs four times, while potato requires five times. After every processing, it need take samples of the starch slurry to test the starch content. During the repeat process, the water can be recycled which is a good way to reduce the water consumption.

cassava grating machine (9)

Cassava grinding machine

4. Concentrating and refining: After separating, the starch slurry still need to be concentrated and refined in cassava starch extraction process. In this section, the mainly used cassava starch extraction machine is hydrocyclone station. The main function of hydrocyclone is to remove the fine fiber, protein and cell sap out of starch slurry to make the final starch meet the standard in cassava starch processing plant.

5.Dehydrating: And the next machine for cassava starch extraction process is the peeler centrifuge which is a widely used starch dehydration machine. Due to this cassava starch extraction machine absorbs the foreign and domestic advanced technology, it offers high dewatering rate.

dav

Cassava starch refining machine

6. Drying: The final process in cassava starch extraction process is the drying. When hot air enters the dryer, it strikes the material quickly and mixes with the material, then the wet starch is suspended in the air by the rapid flow of hot air and be dried in an instant. DOING flash dryer has the characteristics of high heat transfer coefficient, large heat transfer area and short drying time.

The above is the introduction of cassava starch extraction process. Doing Company is a professional cassava deep processing equipment manufacturer. Our business includes cassava starch manufacturing machine, cassava flour manufacturing machine and garri manufacturing machine. Welcome to contact us for how is tapioca made from cassava.

 

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Welcome to make an inquiry of our machine by following contacts:
Contact: Ms Elina
Email: market@doingmachinery.com
Tel: 0086 371 5677 1822
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http://www.starchprojectsolution.com
cassava starch machine

Potato starch production plant

October 8, 2018 by cassava processing machine  

The main characteristic of potato starch manufacturing process: the whole potato starch production plant adopts closed way and spiral flow device which features with low consumption, high efficiency and good product quality.

The whole process of potato starch production plant can be divided into the following units:
1. Choosing and weighting process
Before processing, it is important to choose proper potato varieties for furthur processing. The quality of the raw potato have an great influence on the final starch quality. Therefore it will be better to choose high quality potato in potato starch production plant. After choosing,the collected potato is weighted and stored in the potato yard for deep procesing.

potato starch processing plant

potato starch production plant

2. Potato cleaning and washing process
New harvest potatoes from the ground should first dry and sieve to remove the impurities as much as possible. Then the cleaned potato is transported into rotary washing machine to further remove the attached debris such as sand, soil and dirt for isolation of starch from potato. And then the clean potato is stored in daily designated area in potato starch production plant.

3. Potato crushing process
After cleaning and washing in potato starch production plant, the potato will be crushed. Through the screw feeder, the potato goes into the rasper-an efficient crushing machine and being crushed into potato slurry. Due to the crushing efficiency (the percentage of free starch available) is critical to the overall system rate, a special design has been made for the rasper to achieve the highest possible photo crushing efficiency.

cassava grinding machine (10)

Potato crushing machine

4. Separating and desanding process
The separating process is mainly to separat the fiber from the starch.In this process in potato starch production plant, the used potato starch processing machine are centrifuge sieve and fine fiber sieve.This is another important procedure which determines the starch yield. So in order to reduce the loss of the starch, the separating process can be repeated for four times.

5. Concentration and Refining process
At this time the starches with 13 level hydrocyclone stand to concentration, refining and recycling starch slurry in potato starch production plant. The main purpose of this process is to remove protein, fiber and cell sap out of starch slurry. The refining hydrocyclone unit can automatic work and is equipped with the necessary instruments.

6.Dewatering process
The water content of starch milk coming out of hydrocyclone station is too high to dry directly. Therefore, it is necessary to dehydrate starch milk first to reduce water content of starch. The dewatering machine is the vacuum filter in potato starch production plant.

flash dryer (12)

Potato starch drying machine

7.Drying and packing process
Then is the drying process in potato starch production plant. In the flash dryer machine,the wet starch is heated by the high speed hot air and the water evaporates in an instant. After drying, the starch is packed for storage.

 

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Welcome to make an inquiry of our machine by following contacts:
Contact: Ms Elina
Email: market@doinggroup.com
Tel: 0086 371 5677 1822
Whatsapp/Phone:0086 135 2661 5783
View more:
http://www.starchprojectsolution.com
cassava starch machine

Professional cassava starch production line

October 6, 2018 by cassava processing machine  

A complete cassava starch production line is composed of the following steps:
Cassava choosing-cassava cleaning and washing-crushing-concentrating-refining-dewatering/dehydrating-drying-packing

cassava starch manufacturing process (2)

Cassava starch production line

1. Cleaning and washing: The firstly used cassava starch extraction machine in cassava starch production line is dry sieve. It is mainly used for removing sand, small stones, dirt and other attached impurities from cassava. The dry sieve is designed with reasonable rotating speed which ensures a stable running and reduce the damage to material. After cleaning, the cassava will be washed in the paddle washing machine. This cassava starch processing machine adopts the countercurrent washing principle.

2. Cassava grinding: After that, the cassava will be grinded by the rasper in cassava starch production line. The rasper introduces the new technology of the German and the Sweden which is an important achievement of Doing company cooperate with the advanced technology.

cassava grating machine (3)

Cassava grinding machine

3. Starch and residue separation:
The next procedure of the cassava starch production line is the concentrating process. The purpose of this process is to separate the fiber and starch slurry. Normally in order to have a better separation effect, this process will repeat four or five times according to different requirements of the different materials. For example, sweet potato normally needs four times, while potato requires five times.

4. Concentrating and refining: After separating, the starch slurry still need to be concentrated and refined in cassava starch production line. In this section, the mainly used cassava starch processing machine is hydrocyclone station. The main function of hydrocyclone is to remove the fine fiber, protein and cell sap out of starch slurry to make the final starch meet the standard in cassava starch processing plant.

5.Dehydrating: And the next machine for cassava starch production line is the peeler centrifuge which is a widely used starch dehydration machine. Due to this cassava starch processing machine absorbs the foreign and domestic advanced technology, it offers high dewatering rate.

Peeler centrifuge (1)

Cassava starch dewatering machine

6. Drying: The final process in cassava starch production line is the drying. When hot air enters the dryer, it strikes the material quickly and mixes with the material, then the wet starch is suspended in the air by the rapid flow of hot air and be dried in an instant. DOING flash dryer has the characteristics of high heat transfer coefficient, large heat transfer area and short drying time.

The above is the introduction of cassava starch production line. Doing Company is a professional cassava deep processing equipment manufacturer. Our business includes cassava starch manufacturing machine, cassava flour manufacturing machine and garri manufacturing machine. Welcome to contact us for how is tapioca made from cassava.

 

Click here to give you the best price
Contact us(inquiry)
Whatsapp

Welcome to make an inquiry of our machine by following contacts:
Contact: Ms Elina
Email: market@doingmachinery.com
Tel: 0086 371 5677 1822
Whatsapp/Phone:0086 135 2661 5783
View more:
http://www.starchprojectsolution.com
cassava starch machine

Potato starch extraction process

September 30, 2018 by cassava processing machine  

Here are the potato starch extraction process
Potato receiving- cleaning and washing-grinding-separating-desanding-concentrating and refining-dewatering-drying and packing

1. Raw material receiving process
The raw material receiving unit is the first step in potato starch extraction process. The main purpose of this unit is to store potatoes in the raw material storage pool.
In the process of unloading potatoes, it is best to ensure the integrity of potatoes. Broken potatoes are easy to rot, and rotten potatoes will infect other potatoes. The quality of potato has a great influence on starch quality. Potatoes should not be stored for more than half a month. The longer the potato is stored, the more detrimental it is to starch production.

potato starch

Potato & potato starch

2. Potato cleaning and washing process
After being weighted and sorted, the fresh potato will be firstly transported into the cleaning machine to clean the sand, small stones, dirt and other impurities for potato starch extraction process. Then the cleaned potato will be transported into the washing machine. To achieve a better cleaning effect, it will be better to use the rotary washing machine, so that the impurities such as sand, stone, iron items will be thoroughly cleaned.

3. Potato grinding process
The next potato starch extraction process is the grinding which serves to grind the washed potato into potato slurry. Rasper is an ideal machine for the starch processing industry which has the features of high speed, high grinding coefficient and high starch extraction rate. The rasper of DOING absorbs advanced technology from foreign and domestic market. The belt we use is the Germany Opitbelt, an advanced toothed belt which can increase the service life of the machine.

cassava grinding machine (10)

Potato grinding machine

4. Separating process
The separating in potato starch extraction process is mainly for the separation of fiber and the potato starch. The centrifuge sieve is used in this process. The centrifuge sieve is a  potato starch processing machine utilizes the high speed centrifugal force to separate fiber and starch. Normally in order to achieve better separation effect, potato starch processing line adopts multi-stage centrifuge process.

5. Desanding process
After separating, there still exists sand in the potato starch. If the sediment concentration of the slurry is high, it will not only influence the taste of the starch but also affected the sales and price of starch. So the desanding process is a necessary in potato starch extraction process. The desander can remove sediment in the starch, improve the make the product quality to a higher class.

6. Concentrating and refining process
Then the potato starch extraction process is concentrating and refining which is mainly used to remove the fine fiber, protein and cell sap. This is the concentrating and refining process of the starch slurry. The hydrocyclone pipe is made of strengthened nylon which is solid and durable. The hydrocyclone station of Doing Company is designed to recycle the starch milk to avoid the loss of starch and can achieve continuity of the starch production.

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Potato starch refining machine

7. Dewatering process
The water content of starch milk coming out of hydrocyclone station is too large to dry directly. Therefore, it is necessary to dewater starch milk first in potato starch extraction process. Vacuum filter is the mainly used dewatering machine which utilize the negative press to dewater the potato starch. The DOING dewatering machine can reduce the moisture content of wet starch lower than 38% after dewatering.

8. Drying and packing processThe wet air leaves the cyclone separator and is discharged into the atmosphere by the ventilator. While the collected starch is transported by the screw conveyor to the packing unit. And the finished potato starch will be packed for storage.

 

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Welcome to make an inquiry of our machine by following contacts:
Contact: Ms Elina
Email: market@doinggroup.com
Tel: 0086 371 5677 1822
Whatsapp/Phone:0086 135 2661 5783
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cassava starch machine