CN114657021B - Plant sesame oil dewaxing equipment and production process - Google Patents

Plant sesame oil dewaxing equipment and production process Download PDF

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Publication number
CN114657021B
CN114657021B CN202210438813.3A CN202210438813A CN114657021B CN 114657021 B CN114657021 B CN 114657021B CN 202210438813 A CN202210438813 A CN 202210438813A CN 114657021 B CN114657021 B CN 114657021B
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CN
China
Prior art keywords
oil
filter
dewaxing
tank
vegetable oil
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CN202210438813.3A
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Chinese (zh)
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CN114657021A (en
Inventor
周龙长
单树森
杨幸元
何幼新
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Anhui Laige Engineering Technology Co ltd
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Anhui Laige Engineering Technology Co ltd
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Priority to CN202210438813.3A priority Critical patent/CN114657021B/en
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B3/00—Refining fats or fatty oils
    • C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/603—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by flow measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B15/00—Solidifying fatty oils, fats, or waxes by physical processes
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B3/00—Refining fats or fatty oils
    • C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/06—Separation devices for industrial food processing or agriculture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Fats And Perfumes (AREA)

Abstract

The invention relates to a plant concentrated sesame oil dewaxing device and a production process, which are characterized in that a bottom plate which is in stepped distribution is arranged, so that a mixture containing impurities is conveniently and slowly guided, the mixture containing impurities passes through a filter plate, the filtering effect of vegetable oil and wax crystals is conveniently realized in the transverse direction, when the vegetable oil and the wax crystals pass through corners of a groove, the effect of blocking is realized, the deposition of large-mass impurities is conveniently realized, a driving rotating shaft is arranged in a rotating way, so that a turntable swings, front and back thrust exists in the groove, the wax crystals are conveniently accumulated on the other side of the groove, the liquid level of the vegetable oil and the vegetable oil is ensured, the vegetable oil is easy to pass through the inner holes of the filter plate, and on the other hand, the swinging of the turntable drives a slide bar to slide left and right in a limiting block, so that the mutual sliding exists between anti-blocking fibers and the filter plate, the blocking of the inner holes of the filter plate by large-particle crystals can be effectively avoided, and the effect of concentrated collection is realized.

Description

Plant sesame oil dewaxing equipment and production process
Technical Field
The invention belongs to the technical field of vegetable oil dewaxing, and particularly relates to vegetable oil dewaxing equipment and a production process.
Background
Vegetable oils, which are compounds obtained by reacting higher fatty acids with glycerin, are widely distributed in nature and are oils obtained from fruits, seeds, and germs of plants, such as rapeseed oil and sunflower oil.
The main component of vegetable oil is ester of straight chain higher fatty acid and glycerin, and the fatty acid contains various unsaturated acids such as erucic acid, eleostearic acid, ricinoleic acid, etc. besides palmitic acid, stearic acid and oleic acid. The vegetable oil mainly contains vitamin E, vitamin K, minerals such as calcium, ferrum, phosphorus, potassium, and fatty acid. Fatty acid in vegetable oil can moisten and shiny skin
In the production process of rapeseed oil and sunflower oil, the neutralized rapeseed oil and sunflower oil are subjected to dewaxing treatment to remove wax contained in the neutralized rapeseed oil and sunflower oil, the current production process is carried out according to the following steps that the neutralized corn oil is rapidly cooled to 8 ℃ from 35 ℃ through a plate heat exchanger, the neutralized corn oil is pumped into a single crystallization tank through a pump and subjected to cooling crystallization, meanwhile, a filter aid with the oil content of 0.5% is manually added as a crystallization aid, and after the corn oil is kept at 6 ℃ for 8 hours of crystallization time, the corn oil is filtered to complete dewaxing.
Through searching, the patent with publication number CN104403792B discloses a continuous multi-stage cooling dewaxing method and system for grease, wherein the method comprises the following steps: A. adding a filter aid with a preset proportion into corn oil, and uniformly mixing; B. sequentially feeding the corn oil uniformly mixed with the filter aid into a plurality of crystallization tanks in an overflow mode one by one for gradual cooling and crystal growth; C. and filtering corn oil in a plurality of crystallization tanks with the grown crystals to remove wax, and completing dewaxing. The invention relates to a continuous multi-stage cooling dewaxing method and a continuous multi-stage cooling dewaxing system for grease. By arranging a plurality of crystallization tanks and adopting an overflow mode, gradual cooling and crystal growing are realized, the crystallization speed is well controlled, the formed crystal grains are large, tank-by-tank filtration is adopted, the filtration speed is high, the production efficiency is improved, and continuous production is realized. And an automatic filter aid adding device is arranged, so that the accurate proportion of the filter aid to the oil is realized, and the stability of the product quality is ensured.
However, in the above production process, in the process of filtering and separating grease and wax, the crystalline wax is easy to adhere to the filter screen, so that the blockage of the holes of the filter screen is easy to be caused, the effect of common layer-by-layer filtration is poor, the grease and the wax are difficult to be separated quickly, and the filtration effect is poor, so that the prior art still needs to be improved and developed.
Disclosure of Invention
The invention aims to solve the problems and provide a plant sesame oil dewaxing device and a production process.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a plant thick sesame oil fat dewaxing equipment and production technology, includes the charge pump, the exit of charge pump is equipped with the crystallization jar, be equipped with first interpolation valve and the second interpolation valve that are used for the quantitative addition filter aid on the crystallization jar, the inside of crystallization jar is equipped with rabbling mechanism, the crystallization jar outside still is equipped with the refrigerator, the bottom discharge gate department of crystallization jar is equipped with the case of standing, be equipped with the third interpolation valve that is used for adding cake powder on the pan feeding end of case of standing, be equipped with the screw pump on the discharge end of case of standing, the discharge end of screw pump is equipped with filtration equipment, the wax end of filtration equipment is equipped with dewaxing oil tank, the inside of filtration equipment is equipped with a plurality of groups bottom plate, a plurality of groups bottom plate form ladder form structure, be equipped with a plurality of groups of filter on the bottom plate, the inside hole aperture of filter reduces gradually according to the feed end to the discharge end of filtration equipment.
As a further optimization scheme of the invention, a groove is arranged at the central position of the bottom plate, a limiting block and a driving motor are arranged along the long side direction of the groove, wherein the limiting block is fixedly arranged on the filtering equipment, the output end of the driving motor is provided with a driving rotating shaft, the driving rotating shaft penetrates through the limiting block, a sliding rod parallel to the driving rotating shaft is arranged in the limiting block, a fixed block is arranged on the sliding rod, a ball is arranged at the free end of the fixed block, a rotary table for driving the sliding rod to slide is arranged at the outer side of the middle part of the driving rotating shaft, a limiting groove for the ball to penetrate through is formed in the surface of the rotary table, a cleaning plate is arranged on the sliding rod, a strip-shaped hole is formed in the cleaning plate, and anti-blocking fibers are arranged on the cleaning plate.
As a further optimization scheme of the invention, an included angle is formed between the disk surface of the turntable and the central axis of the driving rotating shaft, and the included angle ranges from 30 degrees to 45 degrees.
As a further optimization scheme of the invention, the plate surface of the cleaning plate and the plate surface of the filter plate are parallel to each other, and the anti-blocking fiber is positioned between the cleaning plate and the filter plate.
As a further optimization scheme of the invention, the anti-blocking fiber is made of silica gel, and the free end of the anti-blocking fiber is in a spike-shaped structure.
As a further optimization scheme of the invention, the filter aid is cake powder or diatom.
As a further optimization scheme of the invention, the production process of the plant grease dewaxing equipment comprises the following steps of:
s1: preparing;
starting a refrigerator 2 hours before oil is fed to precool an equipment pipeline;
s2: oil feeding;
the vegetable oil after the hydration degumming process is cooled by a refrigerator through a feed pump at a certain flow rate, then is sent into a crystallization tank, and when the vegetable oil is injected into the crystallization tank, a quantitative filter aid is added together with the vegetable oil through a first adding valve and a second adding valve; simultaneously, a mixture formed by the filter aid and the vegetable oil is stirred at a low speed by using a stirring mechanism, and the crystallization temperature is controlled to ensure that the wax is separated from the vegetable oil.
S3: filtering;
introducing a mixture formed by the filter aid and the vegetable oil into a standing box, opening a third adding valve, adding 0.5% of cake powder into the mixture, standing for 10 minutes, checking the states of inlet and outlet valves of a pipeline, sequentially operating all the devices, checking, confirming compaction, waiting for filtering the vegetable oil, checking inlet and outlet valves of a screw pump, setting the operating frequency, introducing the mixture in the standing box into filtering equipment by using the screw pump, and gradually increasing the oil inlet amount and adjusting the oil inlet pressure;
the mixture flows layer by layer along the upper surface of the bottom plate which is in a ladder shape, passes through the filter plate, realizes the separation of impurities and oil wax, wherein the filtered wax is piled up in the groove, after the filtered wax is solidified, the filtering equipment is opened, the cleaning is realized, wherein the filtered dewaxed oil enters the dewaxing oil tank, and the dewaxed oil enters the finished product tank after being pumped to the belt filter by the high-viscosity rotor for filtration, so that the dewaxing effect of vegetable oil is realized.
As a further optimization scheme of the invention, the addition proportion of the filter aid is 2%.
As a further optimization scheme of the invention, the temperature of the refrigerant is maintained at 5-10 ℃ by the refrigerator.
As a further optimization scheme of the invention, the crystallization temperature of the crystallization tank is 6-8 ℃, and the cooling period is 6-20 hours.
The invention has the beneficial effects that: through being provided with the bottom plate that is the echelonment and distribute, be convenient for slowly lead to contain the mixture of impurity, the mixture that contains the impurity passes the filter, be convenient for transversely realize the filtration of vegetable oil and wax crystal, the recess has been seted up to the bottom of bottom plate simultaneously, be convenient for in the corner of recess, play the effect that blocks, be convenient for deposit impurity and crystal of big quality, through rotating setting up the drive pivot, make the carousel take place the swing, can have the thrust around the inside of recess, along with the flow of vegetable oil, be convenient for pile up the wax crystal at the opposite side of recess, vegetable oil's liquid level has been guaranteed simultaneously, easily guarantee the vegetable oil and pass the inside hole of filter, on the other hand, the swing of carousel, drive the slide bar and take place the side-to-side slip in the stopper, make and prevent sliding each other between anti-blocking fiber and the filter, can effectively avoid the crystal of big granule to block up the inside hole of filter, play the effect of collecting in a concentrated way.
Drawings
FIG. 1 is a schematic diagram of the front view of the production facility of the present invention;
FIG. 2 is a schematic view of a front view partially in section of a production facility of the present invention;
FIG. 3 is a schematic view of the main visual axis side structure of the screw pump of the present invention;
FIG. 4 is a schematic view of the structure of the main visual axis inside the filtering apparatus of the present invention;
FIG. 5 is a schematic view of the mounting-like axial side structure of the filter plate of the present invention;
FIG. 6 is a schematic view of the primary view axis side structure of the cleaning plate of the present invention;
fig. 7 is a schematic rear view of the cleaning plate of the present invention.
In the figure: 1. a feed pump; 2. a crystallization tank; 3. a first addition valve; 4. a second addition valve; 5. a stirring mechanism; 6. a refrigerating machine; 7. standing the box; 8. a third addition valve; 9. a screw pump; 10. a filtering device; 11. a dewaxed oil tank; 12. a bottom plate; 13. a filter plate; 14. a groove; 15. a limiting block; 16. a driving motor; 17. driving the rotating shaft; 18. a slide bar; 19. a fixed block; 20. a ball; 21. a turntable; 22. a limit groove; 23. a cleaning plate; 24. an anti-blocking fiber.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
Example 1
As shown in figures 1-3, the plant oil dewaxing equipment and production process comprises a feed pump 1, wherein a crystallization tank 2 is arranged at the outlet of the feed pump 1, a first adding valve 3 and a second adding valve 4 for quantitatively adding filter aid are arranged on the crystallization tank 2, a stirring mechanism 5 is arranged in the crystallization tank 2, a refrigerator 6 is further arranged outside the crystallization tank 2, a standing box 7 is arranged at the bottom discharge hole of the crystallization tank 2, a third adding valve 8 for adding cake powder is arranged on the feeding end of the standing box 7, a screw pump 9 is arranged on the discharge end of the standing box 7, a filter device 10 is arranged at the discharge end of the screw pump 9, a dewaxing oil tank 11 is arranged at the wax outlet end of the filter device 10, a plurality of groups of bottom plates 12 are arranged in the filter device 10, a stepped structure is formed by the groups of bottom plates 12, the inner hole diameters of the filter plates 13 are gradually reduced from the feeding end to the discharge end of the filter device 10.
As shown in fig. 4-5, a groove 14 is arranged at the center of the bottom plate 12, a limiting block 15 and a driving motor 16 are arranged along the long side direction of the groove 14, wherein the limiting block 15 is fixedly arranged on the filtering equipment 10, the output end of the driving motor 16 is provided with a driving rotating shaft 17, the driving rotating shaft 17 penetrates through the limiting block 15, a sliding rod 18 parallel to the driving rotating shaft 17 is arranged in the limiting block 15, a fixed block 19 is arranged on the sliding rod 18, a ball 20 is arranged at the free end of the fixed block 19, a rotary table 21 for driving the sliding rod 18 to slide is arranged at the outer side of the middle part of the driving rotating shaft 17, a limiting groove 22 for the ball 20 to penetrate is formed in the surface of the rotary table 21, a cleaning plate 23 is arranged on the sliding rod 18, a strip-shaped hole is formed in the cleaning plate 23, and anti-blocking fibers 24 are arranged on the cleaning plate 23.
An included angle is formed between the disk surface of the turntable 21 and the central axis of the driving rotating shaft 17, and the included angle ranges from 30 degrees to 45 degrees. The plate surface of the cleaning plate 23 and the plate surface of the filter plate 13 are parallel, and the anti-blocking fibers 24 are positioned between the cleaning plate 23 and the filter plate 13. The anti-blocking fiber 24 is made of silica gel, and the free end of the anti-blocking fiber is in a spike-shaped structure. The filter aid is diatom. Wherein the vegetable oil is rapeseed oil.
The production process of the rapeseed oil dewaxing equipment comprises the following steps of:
s1: preparing;
checking whether the circulation pipeline of the chilled water pump and the refrigerating machine is smooth or not, and starting the refrigerating machine to ensure normal circulation of chilled water; opening a valve for cooling water to a refrigerator, and opening a cooling water pump to ensure the smoothness of a cooling water path; turning on a power switch of a refrigerator control panel, checking whether each control parameter is in a set range, and putting a starting mode into a manual control program after determining; with specific reference to refrigerator manufacturer specifications; starting an automatic running mode of the refrigerator to start cooling ice water, and ensuring the running of the refrigerator after the temperature is reduced to a set temperature, wherein the refrigerator is refrigerated in advance 2 hours before oil is fed;
s2: oil feeding;
the rapeseed oil after the hydration degumming process is cooled by a refrigerator 6 through a feed pump 1 at a certain flow rate, then is sent into a crystallization tank 2, and when the rapeseed oil is injected into the crystallization tank 2, a quantitative filter aid is added along with the rapeseed oil through a first adding valve 3 and a second adding valve 4; simultaneously, the mixture formed by the filter aid and the rapeseed oil is stirred at a low speed by using a stirring mechanism 5, and the crystallization temperature is controlled to ensure that the wax is separated from the rapeseed oil.
S3: filtering;
introducing a mixture formed by a filter aid and rapeseed oil into a standing box 7, opening a third adding valve 8, adding 0.5% of cake powder into the mixture, standing for 10 minutes, checking the states of inlet and outlet valves of a pipeline, sequentially operating all the devices, checking, confirming compaction, waiting for filtering in rapeseed oil, checking inlet and outlet valves of a screw pump, setting the operating frequency, introducing the mixture in the standing box 7 into a filtering device 10 by using the screw pump 9, gradually increasing the oil inlet amount and adjusting the oil inlet pressure;
the mixture flows layer by layer along the upper surface of the bottom plate 12 which is in a ladder shape and passes through the filter plate 13 to separate impurities and oil wax;
because the bottom of common filtration equipment 10 is flat structure, when filtering, the mobility liquid can the brain impact bottom, can only rely on gravity, the great material of density such as impurity is piled up in the bottom of filtration equipment 10, upper strata showy liquid, realize the layering filtration in vertical direction, through being provided with the bottom plate 12 that is the echelonment and distribute, and the discharge volume of screw pump 9 is being controlled, be convenient for slowly lead liquid, and pass filter 13, because filter 13 dismantles the installation in bottom plate 12 one side, and the inside hole of filter 13 reduces gradually, be convenient for realize the filtration effect of vegetable oil and wax crystal in horizontal direction, recess 14 has been seted up to the bottom of bottom plate 12 simultaneously, be convenient for in the corner of recess 14, play the effect of blockking, be convenient for deposit massive impurity and crystal, compared common filtration equipment, the filter effect is better, and easily realize, on the one hand be convenient for the fast separation of impurity of large granule diameter, on the other hand, the filter 13 is used in the impurity collocation of tiny granule, play good filtration effect.
The filtered wax is accumulated in the groove 14, the driving motor 16 is opened, the driving rotating shaft 17 is enabled to rotate under the action of the driving motor 16, the rotating disc 21 is enabled to swing by utilizing the rotation of the driving rotating shaft 17, and as the included angle exists between the rotating disc 21 and the axis direction of the driving rotating shaft 17, the rotating disc 21 is driven to swing;
on the other hand, the swinging of the turntable 21 drives the sliding rod 18 to slide left and right in the limiting block 15, and it is to be explained that the fixed block 19 fixed on the sliding rod 18 is limited in the limiting groove 22 through the ball 20, so that the structure is easy to realize, the linkage is strong, and the mutual sliding exists between the anti-blocking fiber 24 and the filter plate 13 along with the left and right sliding of the cleaning plate 23, so that the phenomenon that the large-particle crystals block the inner holes of the filter plate 13 can be effectively avoided, the strip-shaped holes of the cleaning plate 23 are convenient for particles to pass through, and large-particle impurities are convenient to return to the groove 14 again, and the effect of centralized collection is achieved;
after the wax crystals solidify, the filter device 10 is opened to clean, wherein the filtered dewaxed oil enters the dewaxing oil tank 11, and the dewaxed oil enters the finished product tank after being filtered by the belt filter by using the high-viscosity rotor pump, so as to realize the dewaxing effect of the rapeseed oil.
Wherein, the addition amount ratio of the filter aid is 2%. The temperature of the refrigerant is maintained at 7-9 ℃ by the refrigerator 6. The crystallization temperature of the crystallization tank 2 is 7 ℃, and the cooling period is 6-10 hours.
Example 2
As shown in figures 1-3, the plant oil dewaxing equipment and production process comprises a feed pump 1, wherein a crystallization tank 2 is arranged at the outlet of the feed pump 1, a first adding valve 3 and a second adding valve 4 for quantitatively adding filter aid are arranged on the crystallization tank 2, a stirring mechanism 5 is arranged inside the crystallization tank 2, a refrigerator 6 is further arranged outside the crystallization tank 2, a standing box 7 is arranged at the bottom discharge hole of the crystallization tank 2, a third adding valve 8 for adding cake powder is arranged on the feeding end of the standing box 7, a screw pump 9 is arranged on the discharge end of the standing box 7, a filter device 10 is arranged at the discharge end of the screw pump 9, a dewaxing oil tank 11 is arranged at the wax outlet end of the filter device 10, a plurality of groups of bottom plates 12 are arranged inside the filter device 10, a stepped structure is formed by the groups of bottom plates 12, the inner holes of the filter plates 13 are gradually reduced from the feeding end to the discharge end of the filter device 10, and the inner hole diameter of the filter plates is gradually reduced.
The central point of bottom plate 12 puts and is equipped with recess 14, be equipped with stopper 15 and driving motor 16 along the long limit direction of recess 14, wherein stopper 15 is fixed to be located on the filtration equipment 10, driving motor 16's output is equipped with drive pivot 17, drive pivot 17 runs through in stopper 15, be equipped with the slide bar 18 that parallels with drive pivot 17 in the stopper 15, be equipped with fixed block 19 on the slide bar 18, the free end of fixed block 19 is equipped with ball 20, the middle part outside of drive pivot 17 is equipped with the gliding carousel 21 of drive slide bar 18, the spacing groove 22 that supplies ball 20 to pass has been seted up on the surface of carousel 21, be equipped with cleaning plate 23 on the slide bar 18, be equipped with the strip hole in the cleaning plate 23, be equipped with anti-blocking fiber 24 on the cleaning plate 23.
An included angle is formed between the disk surface of the turntable 21 and the central axis of the driving rotating shaft 17, and the included angle ranges from 30 degrees to 45 degrees. The plate surface of the cleaning plate 23 and the plate surface of the filter plate 13 are parallel, and the anti-blocking fibers 24 are positioned between the cleaning plate 23 and the filter plate 13. The anti-blocking fiber 24 is made of silica gel, and the free end of the anti-blocking fiber is in a spike-shaped structure. The filter aid is diatom. Wherein the vegetable oil is sunflower oil.
The production process of the sunflower oil dewaxing equipment comprises the following steps of:
s1: preparing;
checking whether the circulation pipeline of the chilled water pump and the refrigerating machine is smooth or not, and starting the refrigerating machine to ensure normal circulation of chilled water; opening a valve for cooling water to a refrigerator, and opening a cooling water pump to ensure the smoothness of a cooling water path; turning on a power switch of a refrigerator control panel, checking whether each control parameter is in a set range, and putting a starting mode into a manual control program after determining; with specific reference to refrigerator manufacturer specifications; starting an automatic running mode of the refrigerator to start cooling ice water, and ensuring the running of the refrigerator after the temperature is reduced to a set temperature, wherein the refrigerator is refrigerated in advance 2 hours before oil is fed;
s2: oil feeding;
the sunflower oil after the hydration degumming process is cooled by a refrigerator 6 through a feed pump 1 at a certain flow rate, then is sent into a crystallization tank 2, and when the sunflower oil is injected into the crystallization tank 2, a quantitative filter aid is added along with the sunflower oil through a first adding valve 3 and a second adding valve 4; simultaneously, the mixture of the filter aid and the sunflower oil is stirred at a low speed by using a stirring mechanism 5, and the crystallization temperature is controlled to ensure that the wax is separated from the sunflower oil.
S3: filtering;
introducing a mixture formed by a filter aid and sunflower oil into a standing box 7, opening a third adding valve 8, adding 0.5% of cake powder into the mixture, standing for 10 minutes, checking the states of inlet and outlet valves of a pipeline, sequentially operating all the devices, checking, confirming and compacting, waiting for filtering the sunflower oil, checking inlet and outlet valves of a screw pump, setting the operating frequency, introducing the mixture in the standing box 7 into a filtering device 10 by using the screw pump 9, and gradually increasing the oil inlet amount and adjusting the oil inlet pressure;
the mixture flows layer by layer along the upper surface of the bottom plate 12 which is in a stepped shape, passes through the filter plate 13, realizes the separation of impurities and oil wax, wherein the filtered wax is accumulated in the groove 14, after the filtered wax is solidified, the filtering equipment 10 is opened, the cleaning is realized, wherein the filtered dewaxed oil enters the dewaxing oil tank 11, and the dewaxed oil enters the finished product tank after being filtered by the belt filter by using the high-viscosity rotor pump, so that the dewaxing effect of the sunflower oil is realized.
Wherein, the addition amount ratio of the filter aid is 2%. The temperature of the refrigerant is maintained at 5-8 ℃ by the refrigerator 6. The crystallization temperature of the crystallization tank 2 is 7 ℃, and the cooling period is 14-20 hours.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims (8)

1. Plant grease dewaxing equipment, its characterized in that: the device comprises a feed pump (1), a crystallization tank (2) is arranged at the outlet of the feed pump (1), a first adding valve (3) and a second adding valve (4) for quantitatively adding filter aid are arranged on the crystallization tank (2), a stirring mechanism (5) is arranged inside the crystallization tank (2), a refrigerator (6) is further arranged outside the crystallization tank (2), a standing tank (7) is arranged at the bottom discharge hole of the crystallization tank (2), a third adding valve (8) for adding cake powder is arranged on the feed end of the standing tank (7), a screw pump (9) is arranged at the discharge end of the standing tank (7), a filter device (10) is arranged at the discharge end of the screw pump (9), a dewaxing oil tank (11) is arranged at the wax outlet end of the filter device (10), a plurality of groups of base plates (12) are arranged inside the filter device (10), the base plates (12) form a stepped structure, a plurality of groups of filter plates (13) are arranged on the base plates (12), and the inner pore diameters of the filter plates (13) gradually decrease from the discharge end of the filter device (10) to the discharge end of the filter device;
the filter is characterized in that a groove (14) is formed in the center of the bottom plate (12), a limiting block (15) and a driving motor (16) are arranged along the long side direction of the groove (14), the limiting block (15) is fixedly arranged on the filter device (10), a driving rotating shaft (17) is arranged at the output end of the driving motor (16), the driving rotating shaft (17) penetrates through the limiting block (15), a sliding rod (18) parallel to the driving rotating shaft (17) is arranged in the limiting block (15), a fixed block (19) is arranged on the sliding rod (18), a ball (20) is arranged at the free end of the fixed block (19), a rotary table (21) used for driving the sliding rod (18) to slide is arranged on the outer side of the middle of the driving rotating shaft (17), a limiting groove (22) for the ball (20) to penetrate is formed in the surface of the rotary table (21), a cleaning plate (23) is arranged on the sliding rod (18), a strip-shaped hole is formed in the cleaning plate (23), and anti-blocking fibers (24) are arranged on the cleaning plate (23);
an included angle is formed between the disk surface of the rotary disk (21) and the central axis of the driving rotary shaft (17), and the included angle is 30-45 degrees.
2. A plant grease dewaxing apparatus according to claim 1 characterised in that: the plate surface of the cleaning plate (23) is parallel to the plate surface of the filter plate (13), and the anti-blocking fibers (24) are positioned between the cleaning plate (23) and the filter plate (13).
3. A plant grease dewaxing apparatus according to claim 1 characterised in that: the anti-blocking fiber (24) is made of silica gel, and the free end of the anti-blocking fiber is in a spike-shaped structure.
4. A plant grease dewaxing apparatus according to claim 1 characterised in that: the filter aid is cake powder or diatom.
5. A process for dewaxing vegetable fat using a vegetable fat dewaxing apparatus according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:
s1: preparing;
starting a refrigerator (6) 2 hours before oil is fed to precool the equipment pipeline;
s2: oil feeding;
the vegetable oil after the hydration degumming process is cooled by a refrigerator (6) through a feed pump (1) at a certain flow rate, then is sent into a crystallization tank (2), and when the oil is injected into the crystallization tank (2), quantitative filter aid is added along with the vegetable oil through a first adding valve (3) and a second adding valve (4); simultaneously, a mixture formed by the filter aid and the vegetable oil is stirred at a low speed by using a stirring mechanism (5), and the crystallization temperature is controlled to ensure that the wax is separated from the vegetable oil;
s3: filtering;
introducing a mixture formed by the filter aid and the vegetable oil into a standing box (7), opening a third adding valve (8), adding 0.5% of cake powder into the mixture, standing for 10 minutes, introducing the mixture in the standing box (7) into a filtering device (10) by using a screw pump (9), and gradually increasing the oil inlet amount and adjusting the oil inlet pressure;
the mixture flows layer by layer along the upper surface of the bottom plate (12) which is in a ladder shape, passes through the filter plate (13) to separate impurities and oil wax, wherein the filtered wax is piled up in the groove (14), after the filtered wax is solidified, the filtering equipment (10) is opened to clean, the filtered dewaxed oil enters the dewaxing oil tank (11), and the dewaxed oil enters the finished product tank after being filtered by the belt filter by utilizing the high-viscosity rotor pump, so that the dewaxing effect of vegetable oil is realized.
6. The process for dewaxing vegetable fat according to claim 5, wherein: the addition amount ratio of the filter aid is 2%.
7. The process for dewaxing vegetable fat according to claim 5, wherein: the temperature of the refrigerant is maintained at 5-10 ℃ by the refrigerator (6).
8. The process for dewaxing vegetable fat according to claim 5, wherein: the crystallization temperature of the crystallization tank (2) is 6-8 ℃, and the cooling period is 6-20 hours.
CN202210438813.3A 2022-04-25 2022-04-25 Plant sesame oil dewaxing equipment and production process Active CN114657021B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB758361A (en) * 1953-07-30 1956-10-03 Cooper S Mechanical Joints Ltd Improvements in or relating to filters for fluids
SU1154319A1 (en) * 1983-05-23 1985-05-07 Институт Прикладной Физики Ан Мсср Method of refining vegetable oils
SU1505598A1 (en) * 1987-06-01 1989-09-07 Всесоюзный Научно-Исследовательский И Проектный Институт Вторичных Цветных Металлов Separator
EP0353340A1 (en) * 1988-07-02 1990-02-07 Knoll Maschinenbau Gmbh Filtering device for purifying cooling lubricants
CN102433220A (en) * 2011-10-31 2012-05-02 郑州远洋油脂工程技术有限公司 Oil dewaxing process and device
CN103589508A (en) * 2012-08-13 2014-02-19 李宁 Environment-friendly type filter process for edible oil
CN103695164A (en) * 2014-01-03 2014-04-02 南通家惠油脂发展有限公司 Corn oil winterizing and dewaxing process
CN205046090U (en) * 2015-09-06 2016-02-24 钟祥市罗师傅粮油食品有限公司 Sesame crude oil dewaxing device
KR102038453B1 (en) * 2019-05-10 2019-10-30 주식회사 청우이엔이 Sediment treating apparatus having climbing band screen
CN112662471A (en) * 2020-12-31 2021-04-16 郑州远洋油脂工程技术有限公司 Energy-saving and consumption-reducing process in grease dewaxing fractionation process

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB758361A (en) * 1953-07-30 1956-10-03 Cooper S Mechanical Joints Ltd Improvements in or relating to filters for fluids
SU1154319A1 (en) * 1983-05-23 1985-05-07 Институт Прикладной Физики Ан Мсср Method of refining vegetable oils
SU1505598A1 (en) * 1987-06-01 1989-09-07 Всесоюзный Научно-Исследовательский И Проектный Институт Вторичных Цветных Металлов Separator
EP0353340A1 (en) * 1988-07-02 1990-02-07 Knoll Maschinenbau Gmbh Filtering device for purifying cooling lubricants
CN102433220A (en) * 2011-10-31 2012-05-02 郑州远洋油脂工程技术有限公司 Oil dewaxing process and device
CN103589508A (en) * 2012-08-13 2014-02-19 李宁 Environment-friendly type filter process for edible oil
CN103695164A (en) * 2014-01-03 2014-04-02 南通家惠油脂发展有限公司 Corn oil winterizing and dewaxing process
CN205046090U (en) * 2015-09-06 2016-02-24 钟祥市罗师傅粮油食品有限公司 Sesame crude oil dewaxing device
KR102038453B1 (en) * 2019-05-10 2019-10-30 주식회사 청우이엔이 Sediment treating apparatus having climbing band screen
CN112662471A (en) * 2020-12-31 2021-04-16 郑州远洋油脂工程技术有限公司 Energy-saving and consumption-reducing process in grease dewaxing fractionation process

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