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12/28/2019

What machines are needed to set up a small scale palm oil mill plant in Nigeria?

Nigeria is a very hot market for palm oil processing. Every year, there are many investors to contact us for visiting palm oil processing machine. Because Nigeria not like Malaysia, there are not large area of palm plantation, 30tph or 60tph large scale palm oil processing plant manufactured by Malaysian Company are not suitale for African customer. DOING Company’s 1–5tph small scale palm oil mill plant, small footprint and low cost, is your best choice.

DOING engineers did the research in Malaysia for many years, and then designed the 1–5tph small scale palm oil mill plant. Untill now, our engineers continue to update palm oil production technology and improve machines.

small scale palm oil processing plant 
1–5TPH small scale palm oil mill plant

The small scale palm oil mill plant also contains sterilizing, threshing, digesting, pressing, filtering, clarifying stations. They work automatically. [Related reading:The introduction of small scale palm oil extraction and refining process]


small palm oil processing plant

The flow chart of small scale palm oil mill plant

Henan Doing Company’s 1–5tph small scale palm oil mill plant is very popular among customers from Africa. We have finished many small scale palm oil mill plant project in Africa. Now, the machines of 7TPH palm oil mill plant project is ready to delivery.


The machines for 7tph palm oil mill plant project


Henan Doing Company is one of professional palm oil machine manufacturers in China. If you want to set up a small palm oil mill plant, quickly contact us by the following ways.
http://www.doingoilmachine.com
whatsapp/wechat/mobile:008613526627860
Email: oilmachine@doingoilmachine.com

12/20/2019

The introduction of cooking oil making machine, food oil production machine for starting edible oil plant


Cooking oil making machine, some people call it food oil production machine, is divided into oil seeds pretreatment machines, cooking oil press machine, cooking oil solvent extraction machine and edible oil refining machine. If you want to start a edible oil extraction plant? You need know what final product you want to produce, and how many budget you have. Henan Doing Company can provide you cooking oil making machine with the input capacity from 10tons/day to 1000tons/day.

The introduction of different kinds of cooking oil making machine:

1. Oil seeds pretreatment machines

Oil seeds pretreatment machines are the basic parts in cooking oil production process. This section includes: cleaning, crushing, soften, flaking, roaster, etc, to adjust the oil seeds into the best condition for oil pressing, easy to press oil out and easy for next cooking oil production section.

cooking oil making machine
Oil seeds pretreatment machines

a. Cleaning device: remove the raw material groundnut in various impurities, such as: iron, stones, clump, such as the plant leaf, clean up till impurity content does not eceed 0.2%.

b. Crushing machine: In order to meet the requirements of crushing, the groundnut is suitable for crushing with the moisture of 7% to 12%.

c. Softening machine: the purpose of softening is to adjust the moisture and temperature of oil, and make it soft.

d. Flaking machine: rolling raw material into flakes, and the purpose is to increae surface area, destroy the groundnut cell tissue, shorten the way of oil out from cake.

e: Cooking machine: use steam cooking, inject direct steam and cook the flakes to meet the requirement of oil press.

2. Cooking oil press machine

Cooking oil press machine extract oil from oil seeds by physical pressing method. Cooking oil press machine has different types: single screw cooking oil press machine, cooking oil pre-press machine with auxiliary frying pan, integrated cooking oil press machine, double screw cooking oil press machine for palm oil...Our engineer will give you best suggestions on ow to choose suitable cooking oil press machine.

cooking oil press machine
Cooking oil press machine


After pressing, there will be about 16%-18% oil left in the cakes. The cakes can go to cooking oil solvent extraction plant to further process.

3.Cooking oil solvent extraction machine

Cooking oil solvent extraction machine uses n-hexane to extract oil from oil cakes, and the residual oil ratio in the oil meal can be less than 1%.

oil solvent extraction machine
Cooking oil solvent extraction machine

a. Solvent pumps: continuously spray solvent to the rotary-type etractor

b. Roary etractor: Spray and soak the pre-pressed cake with solvent so that oil fats can be diss-olved in solvent(form miscella). After processing, you can get wet meal and miscella (mied oil).

c. DTDC: usd to separate the solvent from the wet meal.

d. Miscella tank 1st: pump the miscella (oil with solvent) in to the miscella 1st , then add saline water to it. The phospholipid in the miscella will react with the saline water, at last the reactant precipitate, reaching the goal of purifying.

e. Miscella tank 2nd: the purified miscella will be pumped into it.

f. Miscella stripping: it will remove the remaining solvent in miscella. And the solvent will be discharged to condenser for recycling.

g. Condensers: to cooling the solvent gas separated from the wet meal and miscella for recycling.

3. Edible oil refining machine

Edible oil refining machine has three types according to the input capacity: Batch tye, semi-continuous and full-continuous.

edibel oil refining machine
Edibel oil refining machine

Their refining process all include four steps: degumming, deacidification, decolorization, deodorization. Specific technology can be designed by engineers based on your quality of crude oil and reqirement of final oil.

Henan Doing Mechanical Equipment Co., Ltd is one of professional cooking oil making machine manufacturer in China, who has more than 8 years' exporter experience, and has finished many projects in different countries. If you want to buy cooking oil making machine, welcome to contact us!

http://www.doingoilmachine.com
whatsapp/wechat/mobile:008613526627860
Email: oilmachine@doingoilmachine.com

12/09/2019

How is groundnut oil refined in factory?

Groundnut is one of the most common oil seeds all over the world. and the groundnut oil has alluring strong aroma, which is very popular among consumers.

Groundnut oil
With the requirement increasing of groundnut oil, setting up a groundnut oil extraction plant becomes more and more popular. Then, do you know the crude groundnut oil has many impurities,  and can not be sold in the supermaket? The crude groundnut oil should be refined in factory and then it can reach the Grade 1 standard. How is groundnut oil refined in factory?

The groundnut oil refining process in groundnut oil refinery plant has four stages: degumming, deacidification(neutralization), decolorization(bleaching) and deodorization.
Groundnut oil refining process flow chart
Degumming: To remove the content of colloidal impurities in the oil. Usually add P-acid or hot water to make the colloidal impurities sink and is separated out.

Neutralization: To reduce the level of free fatty acid (FFA) in the oil, caustic soda is mixed with the crude oil and the mixture is fed to a hydration tank. The neutralized oil may have trace of soap which is a by-product of the neutralization process. Therefore, the oil will be washed with water.

Bleaching: The neutralized oil is then pumped to the bleacher in which it is mixed with bleaching earth to improve the color of oil by the process called adsorption. At this stage, any undesirable impurities from the crude Groundnut oil are removed. This process improves the initial taste, final flavour and oxidative stability of the product. The bleached oil is then filtered to remove the bleaching earth leaving the oil with very low phosphorous levels and no soap.

Deodorization:  The bleached oil, after being filtered, will be pumped to the deodorizer to avoid substances which are responsible for the odor of edible oil.

Henan Doing Company is a professional vegetable oil machine manufacturer in China, and can provide you full line of groundnut oil production machine and crude groundnut oil refining machine. Welcome to contact us!

http://www.doingoilmachine.com
whatsapp/wechat/mobile:008613526627860
Email: oilmachine@doingoilmachine.com

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