CN208200868U - A kind of edible oil temperature control squeezing process equipment step by step - Google Patents

Abstract

The utility model discloses a kind of edible oil temperature control squeezing process equipment step by step, including the pre-heating cabin set gradually, stepped heating frying device, squeezer and precipitating filter device, stepped heating frying device includes horizontally disposed cylindrical cavity, positioned at the double Shell of cavity periphery and the spiral conveying agitating shaft of chamber central, cavity is divided into temperature raised level-one step by step by controllable flashboard, second level and three-level frying area, the one end in level-one frying area is equipped with the feed inlet connecting with pre-heating cabin, the one end in three-level frying area is equipped with the discharge port connecting with squeezer, the grease outlets of squeezer precipitate filter device by piping connection；The both ends horizontal through cavities of spiral conveying agitating shaft is fixed by bearing spider, and rotation is driven by motor, and is evenly equipped with electromagnetic heating tube and control circuit in double Shell, is able to achieve different frying area difference temperature controls.Heating, uneven heating, part are low by heat-flash and oil yield suddenly when this case efficiently solves the problems, such as oil plant frying.

Description

A kind of edible oil temperature control squeezing process equipment step by step

Technical field

The utility model belongs to healthy food processing technique field, is related to edible oil physical squeezing process equipment, refers specifically to A kind of edible oil temperature control squeezing process equipment step by step.

Background technique

Currently, the edible oil squeezing process in China mainly has physical squeezing and Chemical Leaching two ways.Lixiviation process is to adopt With organic solvent, by glyceride stock, the high temperature after sufficiently impregnating is extracted, by (the i.e. degreasing, degumming, dehydration, de- of " six de- " technique Color, deodorization, depickling) it is process, maximum feature is that oil yield is high, production cost is low.But in leaching process, in edible oil Dissolvent residual is inevitable, provides according to national standards, allows qualified leaching soybean oil per kilogram containing 10 milligrams Dissolvent residual.And physical squeezing is not related to adding chemical substance, can retain the abundant nutrition in oil plant, no chemical solvent Pollution, while any chemical preservation antioxidant is free of, it ensure that the safe, pure of product, nutrition, deliciousness, it is strong to meet human body Health demand, be suitable for trust for a long time it is edible；And the disadvantage is that oil yield is low.Wherein, physical squeezing is divided into two kinds of works of cold press and hot moulding Skill mode.Cold press is not heated before oil plant squeezing or the feeding oil press squeezing under the low temperature environment lower than 60 DEG C.Hot moulding Be will be selected after oil plant squeezed after being heated at high temperature frying, make that a series of variations occur inside oil plant, such as destroy oil plant Cell promotes protein denaturation, reduces grease viscosity etc., to improve grease eating mouth feel and improve oil yield.

Although it still has many deficiencies currently, hot moulding technique is widely used, wherein more distinct issues Have: (1) when frying, there is the problems such as heating suddenly and uneven heating, part are by heat-flash in oil plant, causes nutriment to be lost, is broken It is bad or even rotten, a variety of carcinogens are generated, such as " BaP "；The lubricant component in oil plant is in heating or overtemperature shape suddenly simultaneously It is excessively aoxidized in state, has damaged grease and oil cake quality, affected product index, so that the bioactive substance in oil plant, such as Vitamin E, sterol, class Hu square-bottomed bamboo basket Bu Su etc. are excessively lost；(2) conventional press machinery is in squeezing, squeezing of the oil plant in high temperature and pressure The residence time is longer in machine, has been further exacerbated by oil plant and has gone bad, and nutritional ingredient is destroyed, is lost；Exist simultaneously that oil yield is low to ask Topic.

Therefore, it needs to improve existing edible oil hot moulding technique and its equipment, to solve the above technical problems.

Utility model content

In view of the above technical problems, the utility model provides a kind of edible oil temperature control squeezing process equipment step by step, solves Saved from damage in grease in the presence of heating suddenly, uneven heating, part by strong and low oil yield technical problem when oil plant frying Nutriment, avoid grease from excessively aoxidizing, improve oil quality and production efficiency.

The utility model is achieved through the following technical solutions:

A kind of edible oil temperature control squeezing process equipment step by step, including the pre-heating cabin, stepped heating frying device, pressure set gradually Crusher and precipitating filter device, the stepped heating frying device include horizontally disposed cylindrical cavity, positioned at the double of cavity periphery Layer shell and the spiral conveying agitating shaft of chamber central is set, cavity is divided into temperature step by step raised three by controllable flashboard Grade heating frying section, including level-one frying area, second level frying area and three-level frying area, wherein the one end in level-one frying area is equipped with The feed inlet connecting with pre-heating cabin, the one end in three-level frying area are equipped with the discharge port connecting with squeezer, and the grease of squeezer goes out Mouth precipitates filter device by piping connection；The both ends horizontal through cavities of the spiral conveying agitating shaft is solid by bearing spider It is fixed, and rotation is driven by motor, it is evenly equipped with electromagnetic heating tube and control circuit in the double Shell, is able to achieve different frying areas Intelligent temperature control respectively.

As the prioritization scheme of this case, the frying temperature in level-one frying area is set as 150 in the stepped heating frying device ± 2 DEG C, the oil plant frying time controls in 100 ~ 120s；The frying temperature in second level frying area is set as 180 ± 2 DEG C, oil plant frying Time controls in 100 ~ 120s；The frying temperature in three-level frying area is set as 210 ± 2 DEG C, the control of oil plant frying time 90 ~ 100s。

As the prioritization scheme of this case, the squeezer is short distance pressafiner, and the total length of propelling worm is 82 ± 2cm, and its propelling worm is divided into three-level press section, the wherein feed inlet of one end of level-one press section and hopper feed machine Docking, and the spiral of its propelling worm is away from for 5 ~ 6cm；Second level press section be located at level-one press section and three-level press section it Between, and the spiral of its propelling worm is away from for 4 ~ 5cm；Slag notch and oil outlet, and its are docked respectively in one end of three-level press section The spiral of propelling worm is away from for 2.5 ~ 3cm.

As the prioritization scheme of this case, the squeeze pressure of the squeezer up to 40 ~ 50Mpa, oil plant pressing temperature is 90 ~ 100℃。

As the prioritization scheme of this case, the precipitating filter device includes settling tank and filtering tank, is all provided on respective tank body Have oil inlet and oil outlet, wherein the oil outlet of settling tank oil inlet and squeezer connects, settling tank oil outlet and filtering tank into Hydraulic fluid port connection；Vertically disposed several layers of stainless steel filter screen is equipped in the filtering tank, stainless steel filter screen is located at filtering Between tank oil inlet and filtering tank oil outlet, the tank body below stainless steel filter screen is equipped with slag-drip opening；And settling tank oil outlet It is connected with compressed air line on pipeline between filtering tank oil inlet, by the compressed air that purifies by the edible oil after precipitating Pressurized delivered is filtered to filtering tank through stainless steel filter screen layer by layer.

As the prioritization scheme of this case, overflow port is additionally provided on the filtering tank, overflow port is located at stainless steel filtering On the tank body of online side, it is connect by pipeline with settling tank oil inlet.

As the prioritization scheme of this case, the tank wall of the filtering tank is equipped with cam shaking device.

As the prioritization scheme of this case, the temperature setting in the pre-heating cabin is 90 ± 5 DEG C.

As the prioritization scheme of this case, the process equipment is additionally provided with constant temperature library to be squeezed, the discharge port in constant temperature library to be squeezed It is connect with the feed inlet of pre-heating cabin, the temperature setting in constant temperature library to be squeezed is 50 ± 5 DEG C.

The beneficial effects of the utility model are:

1, frying is carried out using stepped heating frying device, oil plant is made gradually to heat up from being preheating to fry squeezing and have passed through 4 times Process, so that oil plant is mildly warming up to temperature to be squeezed, solve because of part by heat-flash or heating leads to that oil plant is rotten, generates suddenly The technical issues of lubricant component in a variety of carcinogens and oil plant excessively aoxidizes, and seriously affects grease and oil cake quality；Through Detection, gradually heating can save a variety of unsaturated fatty acids, microelement and vitamins and other nutritious components in oil plant from damage, avoid nutrition Ingredients from lossing goes bad；

2, oil plant pre-heating cabin is set, is first fully warmed-up before frying, oil plant when frying is avoided to heat up suddenly, it is sufficiently pre- Frying is carried out after heat so that oil plant is uniformly heated up, and opposite can be reduced oil plant frying duration, be avoided lubricant component from excessively aoxidizing, improve Oil quality, reduces energy consumption；

3, using short distance pressafiner, and the propelling worm of squeezer is divided into spiral away from the three stage structure to successively decrease, And the length of propelling worm is integrally shortened, so that oil plant is being squeezed the shorter residence time in door frame 40% compared to conventional crushers, It is fuel-displaced that squeezing can be completed within 4 ~ 6 seconds, further avoid grease deterioration, the problems such as nutritional ingredient is destroyed；Rationally shorten simultaneously Propelling worm improves 7% away from making oil yield efficiency；

4, it replaces conventional tooth wheel pump to apply pressure to the grease in pipeline using the pressure-air of purification, and uses high density High-intensitive stainless steel filter screen replaces traditional filtering coarse cloth, and efficiently solving the conveying of conventional tooth wheel pump, there are mechanical wear mistakes Cross and grease pollute the problem of, reduce energy consumption, it is ensured that ensure that the quality of edible oil while filter effect；And no The steel filter screen that becomes rusty is vertically arranged, and oil pressure has been effectively relieved while realizing filtering and has damaged to strainer；

5, the impurity screening for removing filter screen and inner tank wall is shaken using cam, avoids artificially dismounting strainer and grease is made At secondary pollution, the oil and fat product thus filtered out is more clarified bright, and product quality and production efficiency are substantially improved；

6, structurally reasonable, energy-efficient, high degree of automation has preferable market, it can be achieved that food-grade health produces Prospect and economic benefit, are suitable for popularization and application.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model edible oil temperature control squeezing process equipment step by step；

Fig. 2 be the utility model edible oil step by step in temperature control squeezing process equipment squeezer structural schematic diagram；

Fig. 3 be the utility model edible oil step by step in temperature control squeezing process equipment propelling worm structural schematic diagram；

Fig. 4 is the structural schematic diagram that the utility model edible oil precipitates filter device in temperature control squeezing process equipment step by step；

In figure: 1- pre-heating cabin, 2- stepped heating frying device, 3- squeezer, 4- precipitate filter device, 5- cavity, 6- bilayer Shell, 7- spiral conveying agitating shaft, the controllable flashboard of 8-, 9- level-one frying area, 10- second level frying area, 11- three-level frying area, 12- Feed inlet, 13- discharge port, 14- bearing spider, 15- motor, 16- electromagnetic heating tube, 17- control circuit, 18- constant temperature library to be squeezed, 19- hopper feed machine, 20- cam shaking device, 301- propelling worm, 302- level-one press section, 303- second level press section, 304- three-level press section, 305- slag notch, 306- oil outlet, 401- settling tank, 402- filtering tank, 403- settling tank oil inlet Mouthful, 404- settling tank oil outlet, 405- filtering tank oil inlet, 406- filtering tank oil outlet, 407- stainless steel filter screen, 408- row Cinder notch, 409- compressed air line, 410- overflow port.

Specific embodiment

The utility model and its effect are further elaborated below in conjunction with accompanying drawings and embodiments.

As shown in Figure 1-3, a kind of edible oil temperature control squeezing process equipment step by step, including the pre-heating cabin 1, step by step set gradually Heat frying device 2, squeezer 3 and precipitating filter device 4.Temperature setting in pre-heating cabin 1 is 90 ± 5 DEG C, can be to oil plant reality It is now fully warmed-up function, is first fully warmed-up before frying, oil plant heats up suddenly when can effectively solve frying, carries out after preheating Frying can make oil plant uniformly heat up, and frying is abundant, opposite can reduce oil plant frying duration, improve the quality of edible oil, reduce energy Consumption.The stepped heating frying device 2 includes that horizontally disposed cylindrical cavity 5, the double Shell 6 positioned at cavity periphery and setting exist The spiral conveying agitating shaft 7 of chamber central, cavity 5 are divided into temperature raised three-level heating frying step by step by controllable flashboard 8 Section, including level-one frying area 9, second level frying area 10 and three-level frying area 11；Wherein, the one end in level-one frying area 9 be equipped with The feed inlet 12 that pre-heating cabin 1 connects, the one end in three-level frying area 11 are equipped with the discharge port 13 connecting with squeezer 3, squeezer 3 Grease outlets precipitate filter device 4 by piping connection.The both ends horizontal through cavities of the spiral conveying agitating shaft 7 passes through axis It is fixed to hold support 14, and is driven and is rotated by motor 15, oil plant can also be delivered to down while realizing uniformly overturning frying oil plant Level-one；It is evenly equipped with electromagnetic heating tube 16 and control circuit 17 in double Shell 6, is able to achieve different frying area difference intelligent temperature controls. Oil plant after being fully warmed-up passes through annular feed inlet 1 by pre-heating cabin 1 and enters level-one frying area 9, the frying temperature in level-one frying area 9 Degree is set as 150 ± 2 DEG C, after 100 ~ 120s of oil plant frying, controls level-one frying area 9 and second level frying area 10 by control circuit 17 Between controllable flashboard 8 open, oil plant is delivered to second level frying area 10 by spiral conveying agitating shaft 7, and when frying, controllable flashboard 8 closed It closes；The frying temperature in second level frying area 10 is set as 180 ± 2 DEG C, after 100 ~ 120s of oil plant frying, by the control of control circuit 17 two Controllable flashboard 8 between grade frying area 10 and three-level frying area 11 is opened, and oil plant is delivered to three-level by spiral conveying agitating shaft 7 and fries Area 11 processed, when frying, controllable flashboard 8 was closed；The frying temperature in three-level frying area 11 is set as 210 ± 2 DEG C, the oil plant frying time For 90 ~ 100s.Oil plant is squeezed by discharge port 13 into squeezer 3 after frying, and the grease squeezed passes through piping connection Precipitating filter device 4 precipitated, filter after export processed edible oil.Oil plant gradually rises from being preheating to fry squeezing and have passed through 4 times The process of temperature, makes oil plant mildly be warming up to temperature to be squeezed, and solving to heat up because of part by heat-flash or suddenly causes oil plant to go bad, produce Raw a variety of carcinogens, such as " BaP "；And the lubricant component in oil plant excessively aoxidizes, and seriously affects grease and oil cake quality The technical issues of.Through detecting, gradually heating can save the nutrition such as a variety of unsaturated fatty acids, microelement and vitamin in oil plant from damage Ingredient avoids nutrient loss, goes bad.Further, this process equipment is additionally provided with constant temperature library 18 to be squeezed, constant temperature library to be squeezed 18 discharge port is connect with the feed inlet of pre-heating cabin 1, and the temperature setting in constant temperature library 18 to be squeezed is 50 ± 5 DEG C；Dedusting removal of impurities essence Oil plant after choosing can put into constant temperature library 18 to be squeezed.Raw material enter constant temperature after squeezing library the residence time be 30 ~ 50 minutes, room temperature raw material By slowly heating up, enters pre-heating cabin after reaching preset temperature, be effectively connected with pre-heating cabin setting temperature, prevent raw material from room temperature Suddenly contact high temperature, in raw material lubricant component and nutriment wreck.

Specifically, stepped heating frying device 2 is electromagnetic heating frying device, i.e., is vortexed (EDDY using magnetic field induction CURRENT) principle of heating generates magnetic field by coil using electric current, and the magnetic line of force inside magnetic field passes through magnetic conduction utensil (chamber Body) when, numerous vortices are generated at once, and cavity is made voluntarily to generate heat at a high speed.Constant temperature 18 He of library to be squeezed is arranged in frying device front end in this case Pre-heating cabin 1 cooperates electromagnetic heating frying device, is fully warmed-up before frying to oil plant, avoids oil plant part by heat-flash or suddenly While heating, the frying time can be shortened, improve frying efficiency.And when magnetic field internal magnetic field lines pass through non-magnetic object, Vortex will not be generated, heat would not be generated, therefore the other positions of frying device will not generate heat.Since human body is non-magnetic object, Therefore the danger of personnel's scald will not occur, safety is high for operator.

Since conventional crushers are to reach enough squeeze pressures, the propelling worm of squeezer is longer, the spiral shell of propelling worm Rotation is away from usually 95 ~ 100cm, so that residence time of the oil plant in squeezing door frame is longer, is influenced to cause by high temperature and pressure in door frame is squeezed Grease excessively aoxidizes, and nutrient loss goes bad.We are by shortening the spiral of propelling worm away from meeting squeeze pressure Meanwhile keeping propelling worm more compact；And the propelling worm of squeezer is divided into spiral away from the three stage structure to successively decrease, and whole The length for shortening propelling worm keeps propelling worm more compact while meeting squeeze pressure；Oil plant enters squeeze door frame after 4 ~ It is squeezed extrusion grease in 6 seconds, so that oil plant is being squeezed the shorter residence time in door frame 40% compared to conventional crushers, avoids Oil plant stops for a long time in squeezing door frame is influenced that grease deterioration, nutritional ingredient is led to problems such as to be destroyed by high temperature and pressure；It closes simultaneously Reason shortens propelling worm away from making oil yield efficiency improve 7%.

Specifically, as shown in Figure 2,3, the squeezer 3 is short distance pressafiner, the total length of propelling worm 301 For 82 ± 2cm, and its propelling worm 301 divides for three-level press section, wherein one end of level-one press section 302 and hopper feed The feed inlet of machine 19 docks, and the spiral of its propelling worm is away from for 5 ~ 6cm；Second level press section 303 is located at level-one press section Between 302 and three-level press section 304, and the spiral of its propelling worm is away from for 4 ~ 5cm；One end of three-level press section 304 point Not Dui Jie slag notch 305 and oil outlet 306, and the spiral of its propelling worm is away from for 2.5 ~ 3cm.The squeeze pressure of squeezer 3 reaches 40 ~ 50Mpa, oil plant pressing temperature are 90 ~ 100 DEG C.

Currently, grease of traditional edible oil after squeezing is extracted by gear pump pressurized delivered to canvas filter, after pressurization It is forced through coarse cloth gap and achievees the purpose that filtering.The technical requirements of the filter method are that gear pump must be accorded to the food in pipeline The pressure for applying 4-6 times of normal pressure with oil can just make edible oil high pressure pass through filtering coarse cloth.Due to the original food after squeezing It is more muddy with oil, and the pressure that gear pump imposes is limited, single filtration only has a small amount of grease and passes through coarse cloth, and larger in grease Impurity particle can block coarse cloth gap, and the unsanctioned grease gear pump that must rely after pressure limiting flows back imposes lasting pressure It can slow transit through again.Although above-mentioned grease filtrating method economical and effective, there are still many shortcomings and deficiencies, wherein the most prominent Out have following two aspect: (1) transition of gear pump mechanical wear, energy consumption are high, and can make to grease during pressurized delivered At mechanical contamination, while a large amount of subtle chemical fibres and organic principle that mix in coarse cloth can also pollute grease, furthermore Lubricating oil in gear pump can not absolutely be excluded, secondary pollution is caused to grease after revealing due to sealing, do not can guarantee into Savor the quality of edible oil；(2) production efficiency is lower, and filtering coarse cloth need to be dismantled by being filtered three hours or so with coarse cloth, manually strikes off viscous Invest the greasy impurity such as dregs of fat on coarse cloth；One side human contact can increase the risk to grease pollution, on the other hand greasy Impurity attaches in coarse cloth gap, it is difficult to remove.We are by the data experience of long-term accumulation to the process equipment for filtering link Facility carries out research and development transformation, efficiently solves above-mentioned technical problem, so that product quality and production efficiency are substantially improved.

Specifically, it as shown in figure 4, precipitating filter device 4 includes settling tank 401 and filtering tank 402, is all provided on respective tank body There are oil inlet and oil outlet, wherein settling tank oil inlet 403 is connect with the oil outlet of squeezer 3, settling tank oil outlet 404 and mistake Filter tank oil inlet 405 connects；Compressed air is connected on pipeline between settling tank oil outlet 404 and filtering tank oil inlet 405 Pipeline 409, wherein the pressure control of compressed air replaces conventional tooth wheel pump to pipe in 10 ~ 15Mpa using the pressure-air of purification Grease in road applies pressure, and efficiently solving the conveying of conventional tooth wheel pump, there are what mechanical wear transition and grease were polluted to ask Topic, reduces energy consumption.Vertically disposed several layers of stainless steel filter screen 407, stainless steel filter screen are equipped in 402 tank body of filtering tank 407 between filtering tank oil inlet 405 and filtering tank oil outlet 406, and the tank body of 407 lower section of stainless steel filter screen is equipped with row Cinder notch 408.Traditional filtering coarse cloth is replaced using the stainless steel filter screen of high-density high-strength, effectively prevents grease pollution；And And stainless steel filter screen is vertically arranged, the filtering accuracy of filter screen is successively passed by filtering tank oil inlet 5 to filtering tank oil outlet 6 Increase, while realizing high efficiency filter, be effectively relieved traditional strainer it is horizontally disposed when filtering wire side big, the strainer rapid wear that bears oil pressure Bad problem.Overflow port 410 is additionally provided on 402 tank body of filtering tank, overflow port 410 is located at 407 top of stainless steel filter screen Tank body on, connect with settling tank oil inlet 403 by pipeline.Grease after pressurization enters tank by filtering tank oil inlet 405 Body, the stainless steel filter screen 407 through being arranged layer by layer filter；Filter residue is constantly accumulated between stainless steel filter screen 407 in filter process, Or when oil inlet quantity is larger, the edible oil not filtered completely rises to overflow port 410, is back to precipitating through overflow port 410 Tank 401 is precipitated filtering again；Filter residue opens 408 slag of row of bottom after stainless steel filter screen 407 is accumulated to a certain extent Mouth deslagging.In addition, the tank wall of filtering tank 402 is equipped with cam shaking device 20, shaken using cam remove filter screen and The impurity screening of inner tank wall avoids artificially dismounting strainer and causes secondary pollution to grease, and the oil and fat product thus filtered out is more Add clarification bright, product quality and production efficiency are substantially improved.

Above embodiments are merely exemplary, and can't limit to the utility model, it should be pointed out that for the technology of this field For personnel, the other equivalent modifications and improvement made under technical inspiration provided by the utility model are regarded as this The protection scope of utility model.

Claims (9)

1. a kind of edible oil temperature control squeezing process equipment step by step, it is characterised in that: including the pre-heating cabin (1), step by step set gradually Frying device (2), squeezer (3) and precipitating filter device (4) are heated, the stepped heating frying device (2) includes horizontally disposed Cylindrical cavity (5), positioned at cavity periphery double Shell (6) and the spiral conveying agitating shaft (7) of chamber central is set, cavity (5) temperature raised three-level heating frying section, including level-one frying area (9), second level step by step is divided by controllable flashboard (8) Frying area (10) and three-level frying area (11), wherein the one end of level-one frying area (9) is equipped with the feed inlet connecting with pre-heating cabin (1) (12), the one end of three-level frying area (11) is equipped with the discharge port (13) connecting with squeezer (3), the grease outlets of squeezer (3) Filter device (4) are precipitated by piping connection；The both ends horizontal through cavities of the spiral conveying agitating shaft (7) passes through bearing branch Seat (14) is fixed, and is driven and rotated by motor (15), and electromagnetic heating tube (16) and control electricity are evenly equipped in the double Shell (6) Road (17) is able to achieve different frying area difference intelligent temperature controls.

2. edible oil according to claim 1 temperature control squeezing process equipment step by step, it is characterised in that: the stepped heating is fried The frying temperature in device (2) processed interior level-one frying area (9) is set as 150 ± 2 DEG C, and the oil plant frying time controls in 100 ~ 120s；Two The frying temperature in grade frying area (10) is set as 180 ± 2 DEG C, and the oil plant frying time controls in 100 ~ 120s；Three-level frying area (11) frying temperature is set as 210 ± 2 DEG C, and the oil plant frying time controls in 90 ~ 100s.

3. edible oil according to claim 1 temperature control squeezing process equipment step by step, it is characterised in that: the squeezer (3) Total length for short distance pressafiner, propelling worm (301) is 82 ± 2cm, and its propelling worm (301) is divided into three-level pressure Section is squeezed, wherein one end of level-one press section (302) is docked with the feed inlet of hopper feed machine (19), and its propelling worm Spiral is away from for 5 ~ 6cm；Second level press section (303) is located between level-one press section (302) and three-level press section (304), And the spiral of its propelling worm is away from for 4 ~ 5cm；Slag notch (305) and fuel-displaced is docked respectively in one end of three-level press section (304) Mouthful (306), and the spiral of its propelling worm is away from for 2.5 ~ 3cm.

4. edible oil according to claim 3 temperature control squeezing process equipment step by step, it is characterised in that: the squeezer (3) Squeeze pressure up to 40 ~ 50Mpa, oil plant pressing temperature is 90 ~ 100 DEG C.

5. edible oil according to claim 1 temperature control squeezing process equipment step by step, it is characterised in that: the precipitating filtering dress Setting (4) includes settling tank (401) and filtering tank (402), is equipped with oil inlet and oil outlet on respective tank body, wherein settling tank into Hydraulic fluid port (403) is connect with the oil outlet of squeezer (3), and settling tank oil outlet (404) is connect with filtering tank oil inlet (405)；Institute It states and is equipped with vertically disposed several layers of stainless steel filter screen (407) in filtering tank (402) tank body, stainless steel filter screen (407) is located at Between filtering tank oil inlet (405) and filtering tank oil outlet (406), the tank body below stainless steel filter screen (407) is equipped with row Cinder notch (408)；And compressed air hose is connected on the pipeline between settling tank oil outlet (404) and filtering tank oil inlet (405) Road (409), by the compressed air that purifies by the edible oil pressurized delivered after precipitating to filtering tank (402), through stainless steel mistake layer by layer Strainer (407) filtering.

6. edible oil according to claim 5 temperature control squeezing process equipment step by step, it is characterised in that: the filtering tank (402) it being additionally provided on tank body overflow port (410), overflow port (410) is located on the tank body above stainless steel filter screen (407), It is connect by pipeline with settling tank oil inlet (403).

7. edible oil according to claim 5 or 6 temperature control squeezing process equipment step by step, it is characterised in that: the filtering tank (402) tank wall is equipped with cam shaking device (20).

8. edible oil according to claim 1 temperature control squeezing process equipment step by step, it is characterised in that: the pre-heating cabin (1) Interior temperature setting is 90 ± 5 DEG C.

9. edible oil according to claim 1 temperature control squeezing process equipment step by step, it is characterised in that: the process equipment is also It is provided with constant temperature library to be squeezed (18), the discharge port in constant temperature library to be squeezed (18) is connect with the feed inlet of pre-heating cabin (1), constant temperature library to be squeezed (18) temperature setting in is 50 ± 5 DEG C.