corn starch manufacturing line

corn acidity less than 70 ml, soften after corn can use two fingers cracked, germ full out, not adhesion endosperm or peel.

Technical Feature

  • Shanghai, China (Mainland)
  • JOY
  • JOY-YM15
  • starch production line
  • Engineers available to service machinery overseas
  • SUS304/316L/Q235
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DESIGN SERVICE OVERVIEW

Project Design Scope

Project Service Scope

PRIMARY PARAMETERS

Place of Origin
Shanghai, China (Mainland)
Brand Name
JOY
Model Number
JOY-YM15
Type
starch production line
After-sales Service Provided
Engineers available to service machinery overseas
Material
SUS304/316L/Q235
Capacity
0.5t/h---3t/h
Raw material
corn or maize
Voltage
220V/50Hz
Certification
ISO9001

DETAIL DESCRIPTION

Product Description

corn starch manufacturing line

corn processing equipment

 

process flow chart of corn starch

 

                                                       Maize

                                                                           ↓

                                                                   cleaning  impurities

                                                                            ↓

                                                                        Silos

                                                                              ↓

                  sulphur→ sulphur solution → steeping → evaporation → concentrated steeping liquid

                                                                               ↓

                                 Processing water → 1st grind milling

                                                                                         ↓

                              Processing water →1st separating germ→dehydration→drying→dried germ

                                                                                         ↓

                                                                      2nd grind milling

                                                                                          ↓

                               Processing water →2nd separating germ

                                                                                          ↓

                                                                             Fine milling

                                                                                          ↓

                                      Processing water →fiber washing→dehydration→drying→fiber feed

                                                                                           ↓

                                                                                Starch milk

                                                                                          ↓

 gluten←drying←dehydration←concentration←gluten separator

                                                                                           ↓

                                                        Fresh water→starch washing

                                                                                           ↓

                                                                                 Starch milk

                                                                                           ↓

                                                                                     Drying

                                                                                           ↓

                                                                 starch

 

 

Technical parameter

Parameter

Units

    Target

Protein%   

Moisture

%

   

Spot    
whiteness     >/=87

Ash content

% as is

   

particle size

 

    >/=99.0

 

 

 

 

 

clean:clear section is to eliminate all large and small in the corn grain of impurities, such as corn cob, corn garments, sand and other foreign matter.Corn ----cleaning----remove stone to iron.

soaked: corn soaking is one of the important processes in the production of corn starch.After soaking process properly is not only decided to each program, and has impact on the number of the whole production quality indicators.Soak purpose: to soften the corn, destroy the protein structure, release the starch granules, extracting soluble content, in addition to rot.Soak method: using multiple soaking jar to soak upstream.After soaking corn state: 40-45% moisture content, soluble matter content is not more than 2.5%, corn acidity less than 70 ml, soften after corn can use two fingers cracked, germ full out, not adhesion endosperm or peel.

broken: after soaking, corn germ, the union between the seed coat and endosperm, corn germ soaked in water about 60%, germ has high elasticity and broken easily separated from the rest of the corn.Broken, therefore, the purpose is to make the embryo and endosperm, and release a certain amount of starch.

 

Germ separation: after crushing, almost all of the embryo and endosperm separation and become a free state, the germ must be separated to reason: the germ contains 50-55% of fat, high nutritional value of corn oil can be produced.In addition, the germ grinding can lead to the fat content in the starch in the process of production increase, affect the quality of the starch.Germ separation, USES the germ hydrocyclone separating germ by the gravity of the screen washing, get dry germ tube bank dryer after drying, the germ, can also go to squeeze oil workshop, to produce corn oil.

Germs of fine grinding: after crushing and separation of the materials, the material containing starch and gluten, seed coat, endosperm broken material, the slurry, must to carry on the fine grinding, to maximize the starch free to combine with protein and fiber, and create good conditions for separation of these components.Paste the fine grinding of adoption of the needle.

After the separation of the fibre: pulp grinding formation of suspension, it contains free starch, gluten tiny particles and fiber.In order to get pure starch, the suspending liquid separation into each component, the thickness of slag and the separation of starch using the pressure curved sieve.

 

Protein separation and washing: starch corn after crushing and separation of fiber of starch milk, besides contains a lot of starch, also contain protein, fat, etc., is a mixture of several substances suspension.To ensure the quality of starch, starch slurry should be the impurities (protein, fat, fiber, etc.), our company adopts the butterfly separator and cyclone washing combination way, into the butterfly disc after separation, the virgin pulp can remove most of the protein, protein separation to remove the bullishness of floating tank and plate and frame or after vacuum dryer, to extract the protein, then through tube bank dryer dry into protein powder.2 out of butterfly pieces of grout into grade 12 vortex flow cleaning, removal of protein at the same time, improve the concentration of starch.Our grade 12 swirl washing, protein removal rate is high, the discharge characteristics of high concentration, in addition, the pump with the inner ring type device for the cooling water system, effectively avoid lead to mechanical seal burned without cooling water.Pump and cyclone subject interface adopts flexible connection, avoid motor vibration on the influence of the main equipment, thus increasing service life of the equipment.

Starch dehydration, drying: slurry dewatering of the starch after dehydration is refined, in preparation for the order after dry, dehydrated, according to different raw materials using different dewatering machine.Drying using negative pressure air drying, we in the original technology was improved, increasing the temperature automatic control device, reduce the influence of artificial factors on the product water.At the same time, the optimization of the structure, ensure the minimum energy consumption when the starch baking (starch baking exhaust temperature 50 to 55 degrees, quantity of heat absorb, recovery rate is highest, dry starch is automatic packing machine, packaging, shipped to the warehouse.

 

 

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