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Vegetable Seeds Oil Extraction Machine

There are three commonly types of oil extraction machine

NameProduction CapacityOperationAdvantages
Batch extractor1-15 TPDIntermittent operationasd of equipment.Can be produced at any time
Rotocel Extractor15-500 TPDContinuous production and high degree of automation.Large output
(Most popular)
Loop Type Extractormore than 500 TPDContinuous production and high degree of automation.Large output

>Batch Extractor

For daily production of 1-15 tons, the equipment can be operated intermittently and can be produced at any time. However, the artificial labor intensity is large (manual discharge is required), and the energy consumption of the equipment is large (solvent loss). At present, the leaching of vegetable oil has basically been eliminated. Occasionally, it is used for the extraction and extraction of waste white oil.

>Rotocel Extractor

For daily production 15-500 tons, the equipment is continuously produced and has a high degree of automation. It requires that the stock of raw materials can be produced for at least one month, which is beneficial to the reduction of production cost. If it is often shut down, it will increase the production cost (each time the equipment is started. It takes several hours to warm up and relax.) This equipment is currently the most widely used oil leaching production line at home and abroad

>Loop Type Extractor

For daily production of 500 tons or more, the equipment is continuously produced and has a high degree of automation. Ring leaching equipment is mainly designed for large-scale oil leaching processing plants. The leaching machine has a large size and generally uses on-site manufacturing methods.


Sunflower Seeds Oil Solvent Extraction Plant

Extraction plant utilize solvent to extract sunflower oil from sunflower seed. Oil residue of extraction plant is less than 1% . We can offer custom-made design. Layout design for customer’s plant, various configurations according to your needs.

Fresh Solvent
Cake → Extraction→Wet Meal→Desolventising → Meal
      Miscella                                            ↓
 Evaporating and stripping→ Solvent mixture →Condension and Recovery
         ↓                                                      ↓                      
     Crude sunflower Oil          Solvent Recycling
  Refining Workshop

1>Extracting:To extract the oil in the cake by solvent, the general solvent is 6# extraction solvent oil 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 comsuption, keep safety prodution and improve product quality.


Physical Refining, Chemical Refining,the difference

Physical refining, chemical refining, which has higher input and output, which is more recommended?

The main difference between chemical refining and physical refining is the deacidification of the entire refining process.

Chemical refining is the use of NaOH to neutralize the acidic substances in the process of a neutralization and produce byproduct soap feet; Physical refining is the way of using high temperature distillation according to the boiling point of the rancidity oil evaporation processing methods, distillation by-product fatty acids . In the same feedstock condition, the chemical deacidification loss is 0.5-1 times higher than that of the physical refining, the chemical deacidification loss is proportional to the acid value (1.5-2: 1), the physical deacidification loss and the acid value are proportional (1 : 1) .

There are two main differences between chemical refining and physical refining.

1. Chemical refining, In the deacidification section, need to add sodium hydroxide, and the yield loss is high, while the physical refining process does not add chemical raw materials, and the yield loss is low!

2. By-products are different

physical refining is fatty acid, which has high value, can be sold to chemical plants.If do further refined, get automotive lubricants, etc.
Chemical refining by product is a saponin, low value, can be used as washing powder, soap.


Cooking Oil Refining Main Process

Cooking oil production line main process

Oil refining section is to remove the impurities in the crude oil and improve oil quality.  In general, sunflower oil refinery plant devides to 3 types: batch oil refinery plant, semi-continuous oil refinery plant, continuous oil refinery plant. These 3 oil refinery plants are used for different capacity. But the processes in each oil refinery plant are almost the same. 

Cooking oil refinery main equipments

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 can 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.

5>Dewaxing: To renmove the wax in the oil and improve the quality of the oil.


Vegetable Cooking Oil Refinery Equipment

The meaning of crude cooking oil refining

Oil refining is a step-by-step process. Oil refining removes phospholipids, pigments, odors, free fatty acids and other impurities from crude oil. The entire refining process includes dephosphorization, degumming, deacidification, decolorization and deodorization, and sometimes winterization. (Mainly removing free fatty acid and other minor constituents)

Main equipment of sunflower oil refining production line

1. Decoloring tank: bleach pigments from oil.
2. Deodorizing tank: remove the un-favored smell from decolorized oil.
3. Oil furnace: provide enough heat for the refining sections which need high
temperature of 280°C.
4. Vacuum pump: provide high pressure for bleaching, deodorization which can reach
755mmHg or more.
5. Air compressor: dry the bleached clay after bleaching.
6. Filter press: filter the clay into the bleached oil.
7. Steam generator: generate steam distillation.

Oil refining process flow

Crude Oil→filtering→ Degumming→ Deacidification→ Water Washing→ Drying→
Bleaching/Decoloring → Filtration→ Deodorization→ Refined oilproducing PET plastic containers and bottles in all shapes.


About Us

Henan Hanson Machinery Co., Ltd. is a large-sized joint-equity enterprise specialized in producing edible oil mechanical equipment and we are also a group enterprise integrating scientific research, manufacture and sales as one. Our company has set up mechanical design and research institution, oil press machine department, large-sized complete oil equipment department, international trade department and production department. Our business involves in small-sized oil pressing series, grain and oil engineering designing, equipment manufacture and installation, project contracting, technical service, new product development, the intensive and deep processing of oil by-products and so on. Our factory covers an area of 30,000 square meters and contains 12 standardized production workshops, equipped with more than 100 sets of large and middle scale processing, plug welding and assembly equipment. There are more than 200 online employees, among whom, over 60 are administrative, engineering & technical personnel that hold intermediate and senior professional titles. Our company has passed ISO9001:2000 international quality management system certification successfully. We have the qualification of manufacturing products for one and two types of pressure vessels. Our company has grown into a Chinese grain and oil machinery production and export base with scientific management methods. We strive for the perfection of manufacturing process. Our production capability of economic indicators is in the forefront of the same industry. Our products have been exported to more than 55 countries and regions such as Russia, India, South Africa, Ukraine, Nepal, Indonesia and so on.

Our main machines range:
Single vegetable oil press machine capacity range: 80kg-650kg/h;

Fully automatic oil pretreatment & pressing plant capacity range: 1t-500t/d;

Batch type,small scale oil refining unit,automatic oil refining plant capacity range 500kg-500t/day.

Animal Oil Extraction & Bone Meal Production line


Fully Automatic Vegetable Oil Pretreatment & Pressing Production Line


Part 1: Process flow:

Raw material → Clean & remove impurity → Magnetic selection → Flaking → Cooking → Pressing → Crude oil → Filtering

↓                     ↓

Cake                Go to refining

Part 2: Process description:

1, Raw material transfer and elevating. Fully automatic and effective,save lobor.

2, Drying and conditioning. Ensure the material best condition for pressing high quality oil.

3, Cleaning. Remove impurity in material.

4, Cooking. Increase oil yield.

5, Pressing oil. Low temperature pressing to ensure the nutritional ingredients are not damaged,oil color is light.

6,Filtration. Remove the impurities and coarse fibers in crude oil.

Part 3: Equipment description:

Destoner: This kind of cleaning machine aims at removing stones in the oil seeds,in order to improve the oil quality and protect the cleaning machine and other pressing machine.

Cleaning sieve: It uses magnetic separation,cleaning sieve and de-stonner to remove inorganic impurities, organic impurities and oil impurities in sunflower seed material.

Magnetic separator: It is used for clearing the iron impurity in the oil seeds which will are harmful to the machine.

Flaking roller: Mechanical crush soybean into small particles.Roller crusher is adopted to crush soybean for convenience of soybean flaking process.

Softening and conditioning pot: It can regulate moisture and temperature of sunflower seed until soften,which can increase material ductility.Sunflower seed is low oil content oilseed with hard structure, thus powder control is important for further sunflower seed oil extraction.

Pressing: Pressing capacity is 400-500KG/H,5T/D,oil residue rate in cake is about 7%. 

Vibration filter:Automatic discharge residue cake;Use stainless steel screen mesh, avoids replacing filter cloth or filter paper, reduce costs, increase production efficiency, and achieve continuous production.

Part 3: Application material:

Sunflower seed,peanut/ground nut/Falxseed/Walnut/Sesame/Soybean/Cotton Seed/Corn germ/Palm kernel……


Screw Type Oil Press Machine

Application of Screw Oil Press Machine:

Automatic oil press machine is suitable for rapeseed, peanut, soybean, sunflower seed, rapeseed, sesame seed, tea seed, walnut, olive,flaxseed, corn germ, rice bran, safflower seed, and so on.
Automatic screw oil press is mainly composed of electric control, automatic heating, adjustment, transmission and vacuum oil filter components.

Principle and Structure of Screw Oil Press Machine:

Automatic screw sunflower oil press machine is to separate the oil from oil bearing materials by the pressing power which comes from the change of chamber volume, drive from screw worm, resistance of curve teeth at press rings and extrusion friction between oil materials. Under the big pressure created in press chamber, the oil can be discharged from gap of press bars and oil trough of press rings. Either big scale and small scale of oil press machine, they have similar theories in screw expeller pressing. Because the screw type oil press machine is mainly used by extrusion method, so it is also called as oil extruder or oil extrusion process.

Parameters of Screw Oil Press Machine:

 Speed of screw30-45r/min30-40r/min30-40r/min28-40r/min28-40r/min
 Handing capacity80-150kg/h150-250kg/h200-300kg/h250-400kg/h400-600kg/h
 Main engineY160L-6-5.5kwY160M-6-7.5kwY160L-6-511kwY180L-6-15kwY200L-6-18.5kw
 Vacuum pumpY90S-4-0.55kwY90S-4-1.1kwY100L1-4-1.5kwY100L1-4-2.2kwY100L1-4-2.2kw

Screw Oil Press Machine Features Are:

— Saving labor:it can save 60% labor for equal output and 40% labor cost per day,one or two people are able to operate.

— Widely-used:it can be used to completely press more than 20 kinds of oil crops,such as peanuts,sesame,vegetable seeds,soybean,oil sunflower and flax by three stages pressing,low oil residual oil rate.

— Pure oil quality:the vacuum oil filtering is used to remove residue so as to ensure the pure oil quality and meet the standard of health quarantine.


Animal Oil Negative Pressure Melting Production Line

Part 1, Production line working process:

1, crushing pre-heating process:

Raw materials after grinding machine into pellet state,enters into the preheated pot, the purpose of preheating is to heat and mix raw material uses heat conduction oil to achieve a mixed liquid-solid state and suitable mechanical pump conveying,to reduce the resistance of the mechanical pump delivery,to reach the Pipeline transport process requirements. On the other hand, the preheater acts as a material balance for the entire production line.

2, Negative pressure melting and refining process:

The preheated pot preheated raw material into a solid-liquid mixed state,and into the melting pot, open the vacuum pump makes the cooker pot with negative pressure, heat conducting oil starts melting. Due to the smelting under negative vacuum circumstance, so raw material starts vacuum dehydration when the melting temperature reaches to 85 degrees, the degree of vacuum maintained at -0.03–0.06Mpa with the volatilization of the steam. Under vacuum circumstance, the animal oil enters the negative pressure autoclave can quickly realize the separation of oil, water and slag. After the material temperature rises to 115 degrees, the basic reaction of the material is completed. Observed by the sight grass,if the oil has yellow frothing,then open the lower feeding outlet to observe the oil residue dryness and humidity,close the heating valve and vacuum unit after the oil residue becomes hard,  open oil residue Separators, conveyors,begins discharging and the oil miscellaneous separation. The melting time differs according to different raw materials,generally about 1-2 hours.

3, Vacuum dehydration recovery process:

Adopting water jet type vacuum jet pump to make negative pressure state in melting pot, vacuum tube supporting stainless steel tube condensation heat exchanger, vacuum condensation recovery system, evaporation of water vapor in raw materials, molecular mixture of odor molecules, volatiles under vacuum state from The raw material grease is separated and flows into the tube condenser catcher along with the vacuum pipeline, forcedly condenses the evaporated volatile vapors into distilled water to collect in the liquid separation tank under the effect of the cold water circulation heat exchange cooling, thus effectively ensuring the production of the vehicle Factory odorless.

4, Oil residue separation process:

The process adopts a stainless steel sieve type oil residue separator separate crude oil residue from the extract oil residue mixture, and the oil residue with the size larger than 0.5mm is sent to the pressing part through a scraper conveying device, the fine oil residue and the crude oil mixture are pumped into the filter machine process fine filtration.Filter precision mesh uses 316 stainless steel,extract oil and residue separate to a clear and transparent state. After the separation,the residue is sent to the meat powder production line, crude oil is delivered to the finished product tank / refining production line.

Part 2: Negative pressure melting and refining equipment characteristics:

1, automatic feeding, oil, slag discharging, running electronic control automation, greatly reduce labor costs;

2, melting and refining under negative pressure has fast speed (1.5-2h / pot 2.5T), effective and high efficiency;

3, the production area has no smell, do not pollute the environment, corresponding to national environmental protection policies;

4, from the feeding to the oil, slag discharging, the material does not fall, all sealed and closed operation;

5, refined oil has good color, rich flavor, peroxide value, acid value, water impurity is relatively low; (many customers think refining under negative pressure will the oil flavor. Explanation: The boiling point of water in vacuum state is 80 ℃,Odor volatile oil at 200 ℃, the melting equipment the highest temperature is 120 ℃, which belongs to low-temperature vacuum refining, don’t reach the oil smell evaporation point, so the refined oil smell is more fragrant, will not lost. )

6, finished oil residue color is good, low residual oil rate.



1. Q: Which kind of materials can be processed?

A: All kinds of oil seeds. Such as rice bran,palm,corn germ, cottonseeds, peanut, sunflower, soybean, rapeseed, etc.

2. Q: What’s the production capacity can you process?

A: 3-5000 tons per day. We can manufacture as customized order. 

3. Q: How long is the warranty?

A: After installing qualified, we guarantee the main parts nature time 1 year.

4. Q: Can you install the machine in local place?

A: Yes, We are a collection of research and development,design, manufacture,installation and training,we have own experienced engines and workers team to go abroad guide the installation,debugging,training.

5. Q: What technical support and doc you can provide after confirm order?

A: 1). Craft flow chart

2). Equipment layout drawings

3). Equipment base drawings

4). Reserved hole and embedded parts drawings and civil engineering drawings

5). Embedded pipeline of power circuit drawings

6). Electricity distribution cabinet and operation table scheme

7). Plant layout drawing

6. What sale service you can provide?

1.  RPE – SALES :

—  Work out professional proposal according to your project demand; Provide operation video to help you learn about the machine performance.

—  Clarify your confusions in machine, raw material selecting, workshop foundation and layout area etc. 

—  Visitor reception : if you have plan to come visit our factory before the order.We can provide invitation letter,pick up and arrange you hotel,show you the machine working site.


—  Ensure promote delivery date;

—  Provide free charge wear parts along with the delivery for your replacement;

—  Design foundation platform according to your workshop area help you complete the construction.

—  Offer each machine operation manual and the plant installation drawing.

—  Offer oversea installation, test running, staff training on site. Salary 100usd/day/person.

— For small scale output, if you want install yourself, we will provide online instruction, and video instruction for complex problems.

—  One year machine warranty except wear parts;

—  If buyer have any unsolved problems in the production, we can offer oversea maintenance, the round ticket charge and visa charge will be on buyer’s account.