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Working Principle of Cold Press oil expeller and Hot Oil Press Machine

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Cold pressed oil has pure natural characteristics, avoiding the adverse effects of traditional high temperature oil processing. The natural flavor and color of the oil are retained in the cold-pressed product oil, and the physiological active substances in the oil are completely preserved (vitamin E has anti-aging function, sterols have skin-healthy function and enhance human metabolism function). The original flavor of the cold-pressed oil is the choice of healthy life. But most oils are not suitable for cold pressing. Gossypol toxin in cottonseed oil and aflatoxin in deteriorated oils must be refined before they can be removed.

 The raw materials of cold-pressed oil must be carefully selected. Otherwise, because of the different maturity of raw materials and the influence of harmful substances contained in raw materials (such as aflatoxin in mildewed oils), cold-pressed oils can be cold-pressed without frying in a frying pan. The cold pressed oil has good color and light color, but it does not smell fragrant and does not burn. The key is that cold-pressed oil does not foam when frying, and that it does not silt the pot is its advantage. Cold-pressed oil can also be treated by cold press oil expeller, which is convenient and fast, and has high oil yield.

 Hot pressing (cooked pressing) is to press oil after frying in a frying pan. Cooked pressing oil is pure and fragrant, especially sesame, which is rich in oil. The disadvantage is that it will foam and silt when frying without treatment, but this problem can be solved by simple treatment. Usually the hot oil press machine will deal with this problem.

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Operation Steps of Palm Oil Expeller Machine

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Palm oil expeller machine is divided into five steps:

 1. Raw material receiving and storage section

Fresh mature ears were collected from the orchard and trucked to the unloading table. Make the ears fall into the cage car freely.

 2. Fermentation section

Killing fermentation is the process of cooking oil palm fruit at high temperature for about 60 minutes in the sterilizing equipment of palm oil expeller machine to destroy the lipase in the pulp so as not to increase the content of free fatty acids in the oil. It makes the fruit soft, easy to mechanically thresh, and also conducive to the subsequent peeling of the core, reducing the damage of the kernels.

 3. Fruiting section

Oil palm fruit grains account for about 60% of the whole bundle. The purpose of threshing is to separate oil palm fruit from the bundle. The separated oil palm fruit is discharged into the pressing section.

 4. Mashing and pressing section

The purpose of mashing and cooking is to tear the epidermis of the fruit, separate the pulp from the pit, and mash the pulp tissue. At the same time, the pulp is softened by heating, and the pulp cell structure is destroyed. The palm fruit is then pressed by a continuous spiral palm oil expeller machine.

 5. Crude oil purification section

The crude oil is obtained by pressing. The crude oil is washed and diluted by water, then settled and filtered to remove the fibers from the oil. This is the general operation procedure of the palm oil expeller machine.

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Introduction of Automatic Cottonseed Oil Expeller Machine

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Cottonseed oil expeller machine consists of three parts: 1. Main engine. 2 hydraulic system. 3. Electrical control system

 1) Hydraulic system adopts a new unloading circuit of high and low pressure double pump. It consists of high and low pressure combined double pump, high pressure manual rotary valve, high pressure relief valve, medium and low pressure relief valve, hydraulic control one-way valve, shock-resistant electric contact pressure gauge, etc. It has the characteristics of compact structure, convenient operation, universal spare parts, low energy consumption, safety and reliability.

 2) Working principle of hydraulic system

Start: motor start, high and low pressure double pump output hydraulic oil through high pressure rotary valve 4 return tank.

Pre-pressure; high-pressure rotary valve to the right, high and low pressure hydraulic oil of double pump through high-pressure reversing valve into the upper chamber of the squeezing cylinder, from the beginning of work. Pre-pressing.

 Pressing: after preloading. When the pressure rises to a fixed value, the low-pressure relief valve of the pumping station unloads, and the oil is pumped by the high-pressure pump of the double-pump. When the pressure gauge of the electric contact is set to the pressure range, the motor is cut off. When the pressure drops to a fixed value, the motor starts, so repeatedly squeezed to ensure high oil yield.

 Pressure relief: After oil squeezing, the high-pressure rotary valve moves to the left position. The output hydraulic oil of the double pump enters the lower chamber of the oil squeezing cylinder through the hydraulic control one-way valve. The pressure of the relief valve is adjusted to 5 Mpa. After the piston rod of the oil cylinder is withdrawn, the high-pressure valve moves to the middle position and the motor is cut off.

 The cottonseed oil expeller machine adopts a thick steel plate structure, high-end atmosphere, stable and strong, durable.

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How to Operate Screw Type Oil Expeller?

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1. When the screw type oil expeller is running, the processed oil enters the chamber from the hopper, and the screw turns to push the embryo inward continuously. Because the embryo is in motion in the chamber of the oil press, under the condition of high pressure in the chamber, there is a great friction resistance between the embryo and the screw, the embryo and the chamber, so that the micro-material of the embryo can be produced. Friction causes relative motion.

 2. On the other hand, because the diameter of the root circle of the pressing screw increases gradually and the pitch decreases gradually, when the pressing screw rotates, the embryo can move forward and turn outward. At the same time, the material layer near the surface of the pressing screw also rotates along the pressing axis, so that each embryo particle in the pressing chamber does not move at the same speed, in the same direction, but also exists between the particles.

 The heat generated by friction meets the necessary heat in the operation of oil pressing technology, which helps to promote the thermal denaturation of protein in the embryo, destroy colloid, increase plasticity, and also reduces the viscous easy to precipitate oil, thus increasing the oil yield of the oil press, making the oil in the material squeezed out, and flowing out from the round row gap and strip row gap.

 Guangxin manufacturer has a professional technical service team, providing timely and comprehensive guidance and service for customers. As a strong brand for screw type oil press, Guangxin has been kept on upgrading technology in the past 20 years, which is the promise to users, also a responsibility of Guangxin stuff. Adhering to the goal of "produce the better oil press for making better quality oil" leads Guangxin oil press into the world.

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Introduction to the walnut oil extraction machine

Walnut oil extraction machine presses the walnut with a screw oil press. walnut oil press equipment can automatically control the temperature. With intelligent equipment, it can press in all seasons. The production will not be delayed. According to the different requirements of oil, the temperature of the crude oil is automatically adjusted, which is not affected by seasons and climate.

 The application field of walnut oil press machine:

Walnut oil press equipment is suitable for walnut-growing areas. It can be allied in large oil extraction plants, urban and rural oil extraction workshops, processing plants for imported materials and chain organizations of brand edible oil, agricultural markets, communities, supermarkets, town markets, urban living areas, and other densely populated areas. It is also suitable for small and medium investment entrepreneurs. It can also be used to crush peanuts, soybeans, oil palm, rapeseed, cottonseed, etc.

 Advantages of walnut oil extraction machine:

1. The quality of oil is high. The oil smells sweet. The machine presses oil in the 150℃temperature oil. Oil color and flavor will not wear out.

2. Take out more oil and squeeze it out once. This machine adopts the four-stage pressing technology, and Residual oil rate is 1%.

3. Good oil cake, without burnt paste taste. High pressure in the chamber of this machine and pressure step by step, the oil can be extracted without frying.

4. Power Saving. The parts of this machine adopt processing and molding technology, with high finish, low mechanical loss and power saving.

5. It is easy to master. The machine adopts axial force decomposition technology, easy to operate without a lifting rod.

6. High durability and few failures. This machine adopts high toughness and wear-resistant steel. It can process 150,000-kilo oil without moving, with low resistance and good lubrication.

7. It benefits users a lot with less consumption, more output, less power consumption, less labor,  and good efficiency of the material.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/walnut-oil-press-machine.html

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Soy oil is rich in linoleic acid. Linoleic acid has limited effect on reducing the risk of heart disease. As linoleic acid is not heat-resistant, it is easy to oxidize and polymerize after frying or repeated heat, which is very harmful to health.

 Press method is divided into two: general press method and screw press method. The common press method is now rarely used, especially in industrial mass production. The screw press method is relatively complex. The cylinder of the horizontal device is installed with a spiral shaft. After the pre-treated soybean enters in soya bean oil extraction machine, the oil is squeezed out as it advances. Continuous production can be realized in this way. But in the process of oil extraction, because of friction and heat, the protein is mostly changed to a greater extent.

 Soybean oil from soybean oil expeller is commonly known as soybean salad oil and is one of the most commonly used cooking oils. Soybean oil is pressed from soybeans, including cold-pressed soybean oil from the cold press and hot pressed soybean oil from the hot one. The color of cold-pressed soybean oil is shallow, raw bean taste is weak. Due to the high-temperature treatment of the raw material, the oil yield is high, but the color is dark and has a strong smell of raw beans. Like rapeseed, soybean oil press can increase oil yield by slightly improving the press method.

 Characteristics of soybean oil from soybean oil extraction machine:

1. High degree of unsaturation;

2. Liquid state at room temperature;

3. It can be selectively hydrogenated and used for blending with semisolid lipids or liquid oils.

 The soybean oil cake extracted by the soybean oil machine can be used to make tofu. It can also be boiled to make soy milk.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/soybean-oil-press-machine.html

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Gingelly oil making machine is mainly used for domestic processing. This product belongs to the hydraulic automatic oil extraction machine. the output is not high, but it is simple and convenient. There are hydraulic oil press and screw oil press. The screw oil press is also available in cold press, and the price is relatively low, but the oil output rate is not high. Just like the Rizhongtian’s automatic screw oil press, it was introduced in Korea more than 10 years ago, with the function of vacuum filtration and automatic temperature control. The oil produced is of good quality and smell. What’s more, the oil yield is high. Now it is mainly used for processing in rural areas. It is also used in urban areas to do on-site processing, so that the production is more transparent, making customers more comfortable. It's good for business.

 For a long time, the extraction of sesame oil is mainly a water extraction process. But in the current situation in China, the water extraction process is outmoded. Its efficiency is low. As a new type of press equipment, the screw oil press is gradually replacing the water extraction process to produce sesame oil. The followings are the brief introduction of principle and process of sesame oil press.

 The characteristics of sesame oil press machine are to keep the original special flavor of sesame. Heat treatment is crucial in the press process. When pressed, the proper increase of the temperature will be more conducive to the transformation of sesame into thick and fragrant sesame oil. And make it easier to separate the sesamol into the oil. Maintaining flavor should be paid special attention to in the sesame oil processing. Proper temperature adjustment will increase the oil's aroma degree. But if the temperature is too high, it will lead to black oil color, cake scorch, and other undesirable consequences. Therefore, producers should pay special attention to the control and adjustment of temperature when processing sesame oil. And manufacturers of production equipment also need to further study new processes and technologies.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/sesame-oil-press-machine.html

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New groundnut oil pressing machine successfully makes up for the defect that the peanut cake cannot be reused after being pressed at a high temperature. In the pressing, peanut will not be pressed into a cake but has been reserved for the whole grain of defatted peanut kernel. In this way, peanut shape, taste, and natural nutrients will not be destroyed. The machine covers an area of 10 square meters, purely physical squeezing. In the squeezing process, any chemical raw materials will not be added. What’s more, it has a long service life. The oil produced is more fragrant. And it doesn’t bubble, popular with consumers.

 Product analysis: (1) the characteristics of the new groundnut oil press machine: adopting modern science and technology, it is successfully developed through many years experiment. Compared with ordinary oil press, this new hydraulic oil press is environmentally friendly, energy-saving, high added value, no loss, physical press, no chemical raw materials added, no environmental pollution, no waste. It is a traditional alternative product for oil press. It is the new environmental protection food processing equipment.

 The innovative function of new hydraulic oil extraction machine of peanut oil: it successfully makes up for the defect that the peanut cake cannot be reused after high-temperature extraction. In the extraction of peanut oil, the peanut is not pressed into a cake but successfully retained as a whole non-fat peanut kernel.

 While extracting the native peanut oil, the red peanut is separated from the peanut kernel without damaging the shape, taste and natural nutrients of the peanut. It is suitable for deep processing of all kinds of food. Peanuts can be sold directly. They can also be processed into high-protein, low-fat green food, such as spicy peanut, spiced peanut, fish skin peanut, Japanese beans, peanut butter and so on.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/peanut-oil-press-machine.html

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Oil palm is a widely planted oil crop in the tropics. Not only the palm fruit but also the palm kernel can extract oil. In general, the palm oil expeller machine is mainly used to extract palm oil, which is called red palm oil. Palm oil machine is mainly used to extract palm kernel oil, also known as white palm oil.

 Palm kernel oil expeller machine is the main equipment for extracting palm kernel oil. The palm kernel oil extraction machine can squeeze most of the oil from the palm oil crop under high pressure through mechanical pressure.

 If your raw material is a clean palm kernel, the steps you take to extract palm kernel oil are as follows:

First, separate the palm-shell and palm-kernel by kernel separating equipment.

 Secondly, break the palm kernel into small pieces, and the surface area of oil is increased after crushing, which is conducive to the transfer of temperature and moisture during steaming and stir-frying.

 Thirdly, the purpose of steaming and stir-frying is to completely destroy the palm kernel cells through the action of temperature and moisture. To denature the protein, accumulate the fat, reduce the oil viscosity and surface tension, adjust the elasticity and plasticity of the billet, and passivate the enzymes.

 Fourth, put the treated oil into the palm kernel oil pressing machine, palm kernel oil extraction machine USES the principle of mechanical external force to extract palm kernel oil:

 Fifth, the crude palm kernel oil obtained after pressing is generally not clean, there are a lot of impurities. We finally process simply to extract relatively clean palm kernel oil through the leaching or filter equipment;

 If your raw material is a pressed seed cake from the palm oil crushing plant, you need to do this: after the crushed cake is broken, send it to the fiber separator and fiber polishing roller for fiber separation. After these simple treatments, you can get a cleaner palm kernel, and the rest of the process is the same.

 Characteristics of palm kernel oil press:

Easy operation and maintenance;

High capacity;

High oil yield;

http://www.myoilpress.com/oil-press-machine-by-raw-materials/palm-kernel-oil-press-machine.html

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Mustard seed is still rare in the oil crop which can be used in the oil expeller in China and the plant area is not so large. Mustard seed is the seed of the cruciferous family plant, including black mustard seed, yellow mustard seed and white mustard seed, brown mustard seed, and 3 other kinds. Due to the development of science and technology in recent years, mustard seed has been gradually found in medicine, entering lung and stomach meridian. It is often used to treat cough and wheezing of phlegm, chest swelling, and pain, limb numbness, joint pain, gangrene, etc. In recent years, it has been found that mustard seed contains isothiocyanate, erucic acid, phenolic substances, phenyl, and other chemical components, and has many physiological functions such as anti-cancer and anti-bacterial. Mustard seed processing products are very popular seasoning. Therefore, people gradually began to realize the high value of mustard seeds. Mustard seeds, of course, do the same thing. Hence people gradually realize that mustard seed oil is a good alternative.

 Which kind of mustard oil press machine should you choose? Because mustard seeds are also part of the Cruciferae family, the seeds are slightly smaller than canola. It can be pressed according to rapeseed press method. For example, double - elephant screw oil extraction machine can be. Given the popularity of canola oil in nutrition, the prospects are promising. It is believed that with the increasing planting area of mustard seed, the market of mustard seed oil extractor will expand continuously.

 Regarding the price of mustard seed oil extraction machine, welcome to our Guangxin oil extraction machine to consult the technical problems of oil expeller.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/mustard-oil-press-machine.html

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The correct installation method of corn oil extraction process:

Before installing the equipment, the newly purchased corn oil extraction machine should be cleaned thoroughly. Remove the spindle and the cage, and polish the outer surface, inner surface and screw feeder of the screw with the abrasive cloth. All lubrication parts shall be lubricated with grease, and the type and brand of the lubricating oil added in the gearbox shall conform to the requirements in the specification. After polishing and cleaning, the equipment of corn oil extraction machine must be arranged according to the original position when installed. Because the arrangement position and order of the circular arrangement have a great relationship with oil extraction performance. After the circular platen is installed, press it with the pressing nut. After the above treatment, the corn oil press equipment can be fixed on the foundation with anchor bolts. When the equipment of corn oil extraction machine is installed, the motor's belt pulley should be aligned with the belt pulley of the oil extraction machine. They should be in the moderate position and correct rotation direction. The belt tension should be adjusted properly.

 The process of extracting corn oil from corn oil press machine

1. Water embellish

According to the difference between the endosperm and the germ, make the corn husk and germ absorb water. The germ is highly absorbent and expands after absorbing water. The germ increases toughness and elasticity and does not break when breaking grits or crushing grits, making it easy to break away from the embryo. After absorbing water, corn husk is easy to peel, and at the same time, it is helpful to separate from the embryo and reduce the phenomenon of the intercalated or intercalated embryo. This improves the embryo rate and the purity of the germ.

 2. Peel and break grits

After the corn is moistened with water, the grits are then peeled and broken. During the operation, the degree of dermal breakage should be strictly controlled to ensure that the germ does not carry the skin and the skin does not carry the germ. Grits are broken into several lobes by a horizontal three-section sand roller. The germs are separated from the endosperm in large amounts as the corn is broken.

 The proportion of grits and embryos was different. The proportion of grits was 1.30 ~ 1.35 grams/cm³, and the proportion of embryos was 0.78 ~ 0.99 grams/cm³. The separation effect can be effectively controlled by adjusting the height of the grits and the baffle. The extracted germ is then sent to a windscreen to extract the husk from the embryo to improve the purity of the embryo.

 3. Embryo screening

The selected embryos still contain grits. We can put them into the grinding machine to press the embryos, and then screen them with the horizontal.

 4. Purification

The grits, powder, chaff and other impurities in the germ should be screened out with a vibrating screen before being pressed, so as to improve the purity of the germ as much as possible.

 5. Dry

Generally, the water content of corn germ is 11 ~ 15%, and its suitable water content is less than 4%. Therefore, it is necessary to conduct thermal drying on the extracted germ, so that the water content of corn germ can reach less than 4% before being pressed into the machine. The drying methods used are fire drying, steaming wok and mechanical drying.

 6. Press

Most of the corn oil press equipment used are type 95 and type 200. With its own baking equipment, it guarantees the extraction of the germ.

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Coconut oil, made from coconut meat (copra) processing, has a wide application. It can be used in detergents, resin, paint, soap, and other processing industry. Through refining, it can even be edible with high nutritional value. In China's Yunnan, Hainan, Taiwan, coconut planting is wide. It is a very good investment project to process coconut oil in this regions.

 There are many options to process coconut oil. The widely used is the squeezing method. The coconut oil can be produced by directly pressing it through the oil press equipment. Cold pressed coconut oil is made from fresh coconut, retaining the inherent odor and nutrition. As for general coconut oil, the general press can meet the requirements. For the high-quality cold oil, we should choose cold pressing and reasonable equipment.

 The copra oil press machine adopts the pure physical method to press the oil. No reagent is added in the production process, which ensures the safe, healthy, pollution-free and non-additive edible oil. It also ensures the original ecology and natural nature of the pressed oil. Thus coconut oil press machine enjoys great popularity among people. The production of oil press is transparency. Consumers can watch the whole process so that consumers are completely relieved. It is the first choice for whether gift or consumption. Therefore, more and more people choose to join the oil extraction industry, and more and more fresh oil workshops appear in our life. They bring convenience to consumers while reassuring consumers.

 Copra oil expeller machine is a new multi-functional screw oil press which consists of the automatic control box, heating press part, adjusting part, driving part and vacuum filter part. The speed reducer of screw oil extraction machine has high wear resistance, which can effectively prolong the service life of oil extraction machine and save energy and electricity. With the three-stage press, the oil output rate is higher and productivity benefits are higher.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/coconut-oil-press-machine.html

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For small oil factory using- the processing capacity from 50kg/h to 200kg/h, with the characteristics of the small investment, wide compatibility, high efficiency, low consumption, simple operating, stable function, easy maintenance, high productivity, and high oil output.

 Small And Medium Scale Single Oil Press Machine have the models as below:

Item

YZYX70

YZYX90

YZYX10(95)

YZYX10-6(8/9)

YZYX10J-2

Processing Capacity(t/24h)

1.3

3

3.5-4

4.5

4.5

Oil Content of Dry Cakes(%)

≤7.8

≤7.8

≤7.8

≤7.8

≤6.0

Motor Power(kW)

4

5.5

7.5 or11

11

11

Weight(kg)

195

285

570

590

590

Measurement (L*W*H)(mm)

1090*405*806

1200*550*1000

1620*580*1195

1720*580*1185

1720*580*1185

Spiral axes rotate(r/min)

36-42

32-42

32-42

32-42

26-41

 Note:

This weight has no electro-motors weight.

① It is normal that sometimes the actual results may be a little different from those in the index because the oil plant’s type, quality and original content may be different in different areas.

② The day capacity (t/24 h) is based on using hot way to squeeze one time. The more the squeeze times are, the lower the date capacity is.

 The spiral oil press produced by our company is suitable for squeezing vegetable oil from rapeseed, cottonseed, soybean, shelled peanut, flax seed, tung oilseed, sunflower seed, palm kernel, etc. The product has characteristics of the small investment, high capacity, strong compatibility, and high efficiency. It is widely used in the small oil refinery and rural enterprise.

 Main Features of Small And Medium Scale Single Oil Press Machine

Below features are based on oil plants above the average quality smoothly and continuously squeezed after such pretreatments as screening, husking, flaking, cooking, etc.

 Oil Plants

Oil content of Dry cakes (%)

Oil yield  Efficiency (%)

Electricity Consumption (k.W.h/t)

Rapeseed

≤8.0

≥80

≤35

Cotton seeds

≤7.5

≥75

≤55

Soybean

≤7.0

≥65

≤52

Peanut

≤8.0

≥91

≤35

 Applicable oil plants and Business of Small And Medium Scale Single Oil Press Machine

1. More than 30 types of oil plants, such as rapeseed, cottonseed, soybean, shelled peanut, flax seed, sunflower seed, palm kernel, etc.

2. Uses in oil factory, oil mill, and privates oil production workshop.

3. Good both for pressing raw oil material and roasted oil material.

4. Performs well both in cold pressing and hot pressing.

5. The lower residue oil of the dry cake.

 The product conforms to the "Technology Standard of Agricultural Spiral Oil Press" under JB/T9793-2013 of the People's Republic of China.

 http://www.myoilpress.com/oil-press-machine/small-and-medium-scale-single-oil-press-machine.html

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Coconut Oil Press Machine

Coconut oil, made from coconut meat (copra) processing, has a wide application. It can be used in detergents, resin, paint, soap, and other processing industry. Through refining, it can even be edible with high nutritional value. In China's Yunnan, Hainan, Taiwan, coconut planting is wide. It is a very good investment project to process coconut oil in this regions.

 The coconut oil press machine adopts the pure physical method to press the oil. No reagent is added in the production process, which ensures the safe, healthy, pollution-free and non-additive edible oil. It also ensures the original ecology and natural nature of the pressed oil. Thus coconut oil press machine enjoys great popularity among people. The production of oil press is transparency. Consumers can watch the whole process so that consumers are completely relieved. It is the first choice for whether gift or consumption. Therefore, more and more people choose to join the oil extraction industry, and more and more fresh oil workshops appear in our life. They bring convenience to consumers while reassuring consumers.

 Coconut oil expeller machine is a new multi-functional screw oil press which consists of the automatic control box, heating press part, adjusting part, driving part and vacuum filter part. The speed reducer of screw oil extraction machine has high wear resistance, which can effectively prolong the service life of oil extraction machine and save energy and electricity. With the three-stage press, the oil output rate is higher and productivity benefits are higher.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/coconut-oil-press-machine.html

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Corn Germ Oil Press Machine

The correct installation method of corn oil extraction process:

Before installing the equipment, the newly purchased corn oil extraction machine should be cleaned thoroughly. Remove the spindle and the cage, and polish the outer surface, inner surface and screw feeder of the screw with the abrasive cloth. All lubrication parts shall be lubricated with grease, and the type and brand of the lubricating oil added in the gearbox shall conform to the requirements in the specification. After polishing and cleaning, the equipment of corn oil extraction machine must be arranged according to the original position when installed. Because the arrangement position and order of the circular arrangement have a great relationship with oil extraction performance. After the circular platen is installed, press it with the pressing nut. After the above treatment, the corn oil press equipment can be fixed on the foundation with anchor bolts. When the equipment of corn oil extraction machine is installed, the motor's belt pulley should be aligned with the belt pulley of the oil extraction machine. They should be in the moderate position and correct rotation direction. The belt tension should be adjusted properly.  

http://www.myoilpress.com/oil-press-machine-by-raw-materials/corn-germ-oil-press-machine.html

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Walnut Oil Press Machine

Introduction to the walnut oil extraction machine

Walnut oil extraction machine presses the walnut with a screw oil press. walnut oil press equipment can automatically control the temperature. With intelligent equipment, it can press in all seasons. The production will not be delayed. According to the different requirements of oil, the temperature of the crude oil is automatically adjusted, which is not affected by seasons and climate.

 The application field of walnut oil press machine:

Walnut oil press equipment is suitable for walnut-growing areas. It can be allied in large oil extraction plants, urban and rural oil extraction workshops, processing plants for imported materials and chain organizations of brand edible oil, agricultural markets, communities, supermarkets, town markets, urban living areas, and other densely populated areas. It is also suitable for small and medium investment entrepreneurs. It can also be used to crush peanuts, soybeans, oil palm, rapeseed, cottonseed, etc.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/walnut-oil-press-machine.html

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Soybean Oil Press Machine

Soy oil is rich in linoleic acid. Linoleic acid has limited effect on reducing the risk of heart disease. As linoleic acid is not heat-resistant, it is easy to oxidize and polymerize after frying or repeated heat, which is very harmful to health.

 Press method is divided into two: general press method and screw press method. The common press method is now rarely used, especially in industrial mass production. The screw press method is relatively complex. The cylinder of the horizontal device is installed with a spiral shaft. After the pre-treated soybean enters in soya bean oil extraction machine, the oil is squeezed out as it advances. Continuous production can be realized in this way. But in the process of oil extraction, because of friction and heat, the protein is mostly changed to a greater extent.

 Soybean oil from soybean oil expeller is commonly known as soybean salad oil and is one of the most commonly used cooking oils. Soybean oil is pressed from soybeans, including cold-pressed soybean oil from the cold press and hot pressed soybean oil from the hot one. The color of cold-pressed soybean oil is shallow, raw bean taste is weak. Due to the high-temperature treatment of the raw material, the oil yield is high, but the color is dark and has a strong smell of raw beans. Like rapeseed, soybean oil press can increase oil yield by slightly improving the press method.

http://www.myoilpress.com/oil-press-machine-by-raw-materials/soybean-oil-press-machine.html