8/13/2019 Doing Group’s Healthy First Grade Peanut Oil Plant

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  Henan DOING Mechanical Equipment Co.,ltd 

Building 18, Area A, Yingxie Garden, Yingxie Road, Jinshui District, Zhengzhou, Henan Province, China

TEL: +86-371-56771821 +86-371-56771823 FAX: +86-371-86129922

E-mail: market@doinggroup.com  Website: http://www.doinggroup.com/   1

Doing Group’s Healthy First Grade Peanut Oil Plant 

Our company is professional in peanut oil plant design, installation, trial run, technical trainning and so on. We can provide you the turn key project of the whole peanut

oil plant from 20 to 2000TPD.

In order to improve oil yielding rate and get high quality peanut oil, the peanut oil pl

ant should consist of following processes: pretreatment, prepressing, extracting and re

fining.

Refinery section of peanut oil plant

Here is a brief introduction of the peanut oil plant:

Ⅰ、Pretreatment section of the peanut oil plant

Pretreatment section is to remove the impurities in the raw material and change its str 

uctural characteristics, in order to make it accordance with the requirements of differe

nt oil producing process.

8/13/2019 Doing Group’s Healthy First Grade Peanut Oil Plant

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  Henan DOING Mechanical Equipment Co.,ltd 

Building 18, Area A, Yingxie Garden, Yingxie Road, Jinshui District, Zhengzhou, Henan Province, China

TEL: +86-371-56771821 +86-371-56771823 FAX: +86-371-86129922

E-mail: market@doinggroup.com  Website: http://www.doinggroup.com/   2

Raw material

↓ 

Magnetic separating→ Metal impurities

↓ Cleaning →Other  impurities

↓ 

Husking →Peanut hull

↓ 

Crushing

↓ 

Cooking

↓ 

Flaking

↓ 

Prepressing →Crude oil

↓ 

Peanut cake→ Extracting Workshop

1>Magnetic separating：

In order to remove the metal impurities, so that can prevent damaging the equipment a

nd occuring safety accidents.

2>Cleaning: To remove the impurities in the raw matrial such as soil, stem and leaf, h

ull and moldy seeds.3>Husking: In order to improve the oil yielding rate and the quality of crude oil and

meal, reduce the wear to the equipment.

4>Crushing: To crush the peanut kernel into small sizes to improve pressing effect.

5>Flaking: To damage the oil cell, increase the surface of oilseeds, shorten the oil out

flowing distance, in this way, it is beneficial to extract the oil and improve the cookin

g effect.

6>Cooking: This processing can improve prepressing oil yielding rate and the quality

of the cake, adjust the moisture, temperature and plasticity of the flake.

7>Prepressing: To squeeze out part of the oil in the raw material, and improve extracti

ng effect.

Ⅱ、Extracting section of the sunflower oil plant

Extracting section is to extract the oil by suitable organic solvent, this method can ge

t the highest oil yielding rate.

Fresh Solvent

↓ 

Cake → Extracting →Wet Meal →Desolventising → Meal

↓ 

8/13/2019 Doing Group’s Healthy First Grade Peanut Oil Plant

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  Henan DOING Mechanical Equipment Co.,ltd 

Building 18, Area A, Yingxie Garden, Yingxie Road, Jinshui District, Zhengzhou, Henan Province, China

TEL: +86-371-56771821 +86-371-56771823 FAX: +86-371-86129922

E-mail: market@doinggroup.com  Website: http://www.doinggroup.com/   3

Miscella ↓ 

↓ 

Evaporating and stripping→ Solvent mixture →Condensing and Recovering

↓  ↓ Crude Oil Solvent Recycling

↓ 

Refining Workshop

1>Extracting：

To extract the oil in the cake by solvent, the general solvent is 6# extraction solvent oi

l or commercial hexane.

2>Desolventising: To remove and recover the solvent in the meal; Dry and cool down

 the meal at the same time.

3>Evaporating and stripping: Heating the the miscella by indirect steam, so that can vaporize the solvent and concentrate the miscella.

4>Solvent recycling: This process is to recover the solvent, decrease solvent comsupti

on, keep safety prodution and improve product quality.

Ⅲ Refining section of the sunflower oil plant

Refining section is to remove the impurities in the crude oil and improve oil quality.

Crude Oil

↓ 

Hot water →Degumming→ Oil Foot

↓ 

Alkali liquor→ Deacidfying → Soap Stock

↓ 

Activated Clay →Decoloring → Waste Clay

↓ 

Deodorizing

↓ 

Refined Oil

1>Degumming：

To remove the gum impurities, and prepare for the subsequent refining processes.

2>Deacidfying：To remove the free fatty acid in the crude oil.

3>Decoloring: To remove the pigment in the crude oil by adding active clay, so that c

an improve the oil quality.

4>Deodorizing：

To remove the odor in the oil, so that can improve the flavor, stability, color and quality of the oil.

8/13/2019 Doing Group’s Healthy First Grade Peanut Oil Plant

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  Henan DOING Mechanical Equipment Co.,ltd 

Building 18, Area A, Yingxie Garden, Yingxie Road, Jinshui District, Zhengzhou, Henan Province, China

TEL: +86-371-56771821 +86-371-56771823 FAX: +86-371-86129922

E-mail: market@doinggroup.com  Website: http://www.doinggroup.com/   4

Welcome to consult our peanut oil plant.

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