cooking oil processing machine

Cottonseed oil mill plant

Cottonseed oil mill plant

Cottonseed oil mill plant is ideally suitable to extract and produce oil from any kind of oil seeds.As manufacturer of cottonseed oil mill plant, we can offer whole line or parts of cottonseed oil mill plant with capacity from 10TPD to 1000TPD.

Cottonseed oil mill plant is ideally suitable to extract and produce oil from any kind of oil seeds such as peanut / groundnut, sesame, sunflower, cotton seed, rice bran ,rapeseed,soybean,and palm kernel etc.As manufacturer of cottonseed oil mill plant, we can offer whole line or parts of cottonseed oil mill plant with general capacity from 10TPD to 1000TPD. For special capacity, our engineers can also help you design and install workshop according to your capacity and requirements.
Next we will introduce the whole cottonseed oil mill plant from sottonseeds to cottonseed oil.


Cottonseed and cottonseed oil introduction:
Cottonseed is a kind of common oilseed, it is a part of cotton. Cotton grows in tropical and subtropical areas. It is distributed in China, America, India Uzbekistan, Egypt etc.If cottonseed with shell, the oil content is about 17%-20%; If cottonseed is without shell, the oil content is about 35%-40%.
 
Cottonseed oil is the secondary product of cotton planting industry,  is the one of cooking oil around the world.


cotton seed
Cottonseed
 
The flowing chart of cottonseed oil pre-press workshop:
 
Cottonseed--Cleaning-Depilation---Husking--Cooking--Pre-pressing--Crude cottonseed oil
 
1.Cleaning section: This parts have different size cleaning sieves to clean the different impurities. After going through this part, most of the impurities are moved from cottonseed.
 
2.Depliation: This part is mainly to remove the cotton linters on the surface of cottonseed. Which can collect cotton linters for selling to the market.
 
3.Husking: Process of shell removing and separation of kernel and shell: to ensure good effect, configure disk huller which can fit to various kinds of cottonseed and sunflower seed containing different moisture.
 
4.Cooking: Adjust cottonseed moisture and tempreature, which can improve final oil taste and also can increase oil productivity.
 
5.Pre-pressing: It is for pressing cottonseed and get crude cotton seed oil. After pressing, we can get cottonseed cake and crude cottonseed oil.


 cottonseed oil extraction machine work flow
Cottonseed oil extraction machine work flow

 
Crude cottonseed oil  quality index(GB1537-2003)
 
 
Items
项   目
Index
指   标
Smells and flavors
气味、滋味
It has cottonseed oil inherent smells and flavors, no objectional odor
具有棉籽油固有的气味和滋味,无异味
Moisture and volatile matter(%)≤
水分及挥发物(%)≤
0.20
Insoluble impurities (%)≤
不溶性杂质(%)≤
0.20
Acid value (mgKOH/g)≤
酸值(mgKOH/g)≤
4.0
Peroxide value(mmol/kg)≤
过氧化值(mmol/kg)≤
7.5
Solvent residual oil amount (mg/kg)≤
溶剂残留量(mg/kg)≤
100


Cottonseed oil  quality index

Items
项   目
Index
指   标
Second level
二级
Third level
三级
Colour
色泽
罗维朋比色槽25.4mm≤ 黄35 红8.0
罗维朋比色槽133.4mm≤ 黄35 红5.0  
Smells and flavors
气味、滋味
Good smell and taste
气味、口感良好
It has cottonseed oil inherent smells and flavors, no objectional odor具有棉籽油固有的气味和滋味、无异味
Transparency
透明度
Clear and transparent
澄清、透明
——
Moisture and volatile matter(%)≤
水分及挥发物(%)≤
0.05 0.20
Insoluble impurities (%)≤
不溶性杂质(%)≤
0.05 0.05
Acid value (mgKOH/g)≤
酸值(mgKOH/g)≤
0.30 1.0
Peroxide value(mmol/kg)≤
过氧化值(meq/kg)≤
5.0 6.0
Heating test (280℃)
加热试验
Non-dialypate, rovibon color: the yellow value does not change, the red value increases less than 0.4
Saponified matter content
含皂量(%)≤
0.03
smoke point
烟点(℃)≥
205
freezing test
冷冻试验(0℃储藏5.5h)
Solvent residual oil amount
溶剂残留量(mg/kg)
Solvent oil浸出油 not detectable
不得检出
≤50
Press oil
压榨油
not detectable
不得检出
not detectable
不得检出
           

Refining yield and oil quality has a direct relationship, such as crude oil quality meet the national standard, general refining rate is not less than 96%, otherwise, more than one acid value can loss 2% oil.
 
Cottonseed cake solvent extraction workshop of cottonseed oil mill plant:
 
Cottonseed oil extraction production line get crude extraction oil  from cottonseed cake through processing flows of solvent extracting, mixture oil filtration, wet bran treatment of dephenolizaiton and mechanical desolvent, and low temperature drying, evaporation, gas stripper to obtain crude cottonseed oil. After the peanut oil solvent extraction process, there is only less 1% oil content in meal.


 cottonseed solvent extraction machine
Cottonseed solvent extraction machine

 
The cottonseed oil extraction equipment designed by our company adopts advanced process design, with easy installation of equipment, safe characteristic and automation, small energy consumption, good effect of extraction, low residual oil in meal, and good quality of meal and oil.
 
Cottonseed oil refinery workshop of cottonseed oil mill plant:
 
cottonseed oil refinery machine
Cottonseed oil refinery machine
 


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