CN114657021A - Dewaxing equipment and production process for plant aromatic grease - Google Patents

Dewaxing equipment and production process for plant aromatic grease Download PDF

Info

Publication number
CN114657021A
CN114657021A CN202210438813.3A CN202210438813A CN114657021A CN 114657021 A CN114657021 A CN 114657021A CN 202210438813 A CN202210438813 A CN 202210438813A CN 114657021 A CN114657021 A CN 114657021A
Authority
CN
China
Prior art keywords
oil
filter
dewaxing
vegetable oil
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210438813.3A
Other languages
Chinese (zh)
Other versions
CN114657021B (en
Inventor
周龙长
单树森
杨幸元
何幼新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Laige Engineering Technology Co ltd
Original Assignee
Anhui Laige Engineering Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Laige Engineering Technology Co ltd filed Critical Anhui Laige Engineering Technology Co ltd
Priority to CN202210438813.3A priority Critical patent/CN114657021B/en
Publication of CN114657021A publication Critical patent/CN114657021A/en
Application granted granted Critical
Publication of CN114657021B publication Critical patent/CN114657021B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • 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 thick fragrant grease dewaxing device and a production process, a bottom plate which is distributed in a ladder shape is arranged to facilitate slow guiding and conveying of a mixture containing impurities, the mixture containing the impurities passes through a filter plate to facilitate lateral filtration of vegetable oil and wax crystals, the vegetable oil and the wax crystals play a role of blocking when passing through corners of a groove to facilitate deposition of large-mass impurities, a driving rotating shaft is arranged through rotation to enable a rotary table to swing, front and back thrust force exists in the groove to facilitate accumulation of the wax crystals on the other side of the groove, the liquid level of the vegetable oil and vegetable oil is ensured at the same time, the vegetable oil is easy to pass through inner holes of the filter plate, on the other hand, swinging of the rotary table drives a sliding rod to slide left and right in a limiting block, mutual sliding exists between anti-blocking fibers and the filter plate, and the inner holes of the filter plate can be effectively prevented from being blocked by large-particle crystals, the function of centralized collection is played.

Description

Dewaxing equipment and production process for plant aromatic grease
Technical Field
The invention belongs to the technical field of vegetable oil dewaxing, and particularly relates to vegetable aromatic oil dewaxing equipment and a production process.
Background
Vegetable oil, which is a compound obtained by reacting a higher fatty acid with glycerin, is widely distributed in nature, and is an oil 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 glycerol, and the fatty acid contains various unsaturated acids such as erucic acid, eleostearic acid, ricinoleic acid, etc. in addition to palmitic acid, stearic acid and oleic acid. The vegetable oil mainly contains vitamin E, vitamin K, minerals such as calcium, ferrum, phosphorus, potassium, etc., fatty acid, etc. The fatty acid in the vegetable oil can moisten skin and make skin glossy
In the production process of rapeseed oil and sunflower oil, the neutralized rapeseed oil and sunflower oil are dewaxed to remove wax contained in the neutralized rapeseed oil and sunflower oil, and the production process is carried out at present according to the following steps of rapidly cooling the neutralized corn oil from 35 ℃ to 8 ℃ through a plate heat exchanger, pumping the neutralized corn oil into a single crystallization tank through a pump, cooling and crystallizing the neutralized corn oil in the single crystallization tank, manually adding a filter aid with 0.5 percent of oil as a crystallization aid, and filtering the neutralized corn oil after the corn oil is kept at 6 ℃ for 8 hours for crystallization, thereby completing dewaxing.
Through retrieval, an authorized patent with the publication number of CN104403792B discloses a method and a system for continuous multi-stage cooling and dewaxing of grease, wherein the method comprises the following steps: A. adding a filter aid in a predetermined proportion into the corn oil and then uniformly mixing; B. the corn oil evenly mixed with the filter aid sequentially enters a plurality of crystallization tanks in a one-by-one overflow mode to be cooled and crystallized step by step; C. and filtering the corn oil in a plurality of crystallization tanks which are well crystallized to remove wax, thereby completing dewaxing. The invention relates to a continuous multi-stage cooling and dewaxing method and system for grease. The crystallization tanks are arranged, the overflow mode is adopted, the gradual cooling and crystal growing are realized, the crystallization speed is well controlled, the formed crystal grains are large, the tank-by-tank filtration is adopted, the filtration speed is high, the production efficiency is improved, and the continuous production is realized. And the automatic filter aid adding device is arranged, so that the filter aid and the grease are accurately matched, and the stability of the product quality is ensured.
However, in the above-mentioned production process, in the process of filtering and separating grease and wax, the crystallized wax is easily adhered to the filter screen, which easily causes the blockage of the holes of the filter screen, and the common layer-by-layer filtering effect is poor, and it is difficult to rapidly separate grease and wax, and the filtering effect is poor, so the prior art still needs to be improved and developed.
Disclosure of Invention
The invention aims to solve the problems and provide dewaxing equipment and a production process for the plant aroma oil.
The invention achieves the above purpose through the following technical scheme:
a plant aromatic grease dewaxing device and a production process, which comprises a feed pump, wherein a crystallizing tank is arranged at the outlet of the feed pump, the crystallizer is provided with a first adding valve and a second adding valve which are used for quantitatively adding the filter aid, the interior of the crystallizer is provided with a stirring mechanism, a refrigerator is arranged outside the crystallizing tank, a standing box is arranged at a discharge port at the bottom of the crystallizing tank, a third adding valve for adding cake powder is arranged on the feeding end of the standing box, a screw pump is arranged on the discharging end of the standing box, the discharge end of the screw pump is provided with a filtering device, the wax outlet end of the filtering device is provided with a dewaxing oil tank, a plurality of groups of bottom plates are arranged in the filtering equipment, the plurality of groups of bottom plates form a ladder-shaped structure, the bottom plate is provided with a plurality of groups of filter plates, and the pore diameters of the inner holes of the filter plates are gradually reduced from the feeding end to the discharging end of the filter equipment.
As a further optimization scheme of the invention, a groove is formed in the central position of the bottom plate, a limiting block and a driving motor are arranged along the long edge direction of the groove, wherein the limiting block is fixedly arranged on the filtering equipment, a driving rotating shaft is arranged at the output end of the driving motor, 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 fixing block is arranged on the sliding rod, a ball is arranged at the free end of the fixing block, a rotating disc for driving the sliding rod to slide is arranged on the outer side of the middle part of the driving rotating shaft, a limiting groove for the ball to pass through is formed in the surface of the rotating disc, 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 exists between the disc surface of the rotary disc and the central axis of the driving rotary 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 fibers are 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 sharp-pricked 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 vegetable fat dewaxing equipment comprises the following steps:
s1: preparing;
starting a refrigerator 2 hours before oil feeding to pre-cool a pipeline of the equipment;
s2: feeding oil;
the vegetable oil after the hydration degumming process is cooled by a refrigerator at a certain flow rate through a feeding pump, and then is sent into a crystallizing tank, and when the vegetable oil is injected into the crystallizing tank, a quantitative filter aid is added together with the vegetable oil through a first adding valve and a second adding valve; and simultaneously, stirring a mixture formed by the filter aid and the vegetable oil at a low speed by using a stirring mechanism, and controlling the crystallization temperature of the mixture to ensure that the wax is separated out from the vegetable oil.
S3: filtering;
introducing a mixture formed by filter aid and 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 an inlet valve and an outlet valve of a pipeline, sequentially operating all equipment, checking, confirming and pressing, waiting for vegetable oil filtration, checking the inlet valve and the outlet valve of a screw pump, setting good operation 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 along the upper surface layer of the stepped bottom plate and passes through the filter plate to realize separation of impurities and oil wax, the filtered wax is accumulated in the groove and solidified, the filter equipment is opened to realize cleaning, the filtered dewaxed oil enters the dewaxing oil tank and is pumped to the belt filter by the high-viscosity rotor to enter the finished product tank after being filtered, and dewaxing of the vegetable oil is realized.
In a further preferred embodiment of the present invention, the filter aid is added in an amount of 2%.
As a further optimization scheme of the invention, the temperature of the refrigerant is maintained at 5-10 ℃ by the refrigerating machine.
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 the arrangement of the bottom plate which is distributed in a ladder shape, the mixture containing impurities is convenient to be slowly guided and conveyed, the mixture containing impurities passes through the filter plate, the filtering effect of the vegetable oil and the wax crystals is convenient to be realized in the transverse direction, meanwhile, the bottom of the bottom plate is provided with the groove, the effect of blocking is convenient to be realized at the corner of the groove, the large-mass impurities and the large-mass crystals are convenient to deposit, the driving rotating shaft is arranged through rotation, the rotating disc is enabled to swing, front and back thrust can exist in the groove, the wax crystals can be conveniently accumulated on the other side of the groove along with the flowing of the vegetable oil, the liquid level of the vegetable oil and the vegetable oil is ensured at the same time, the vegetable oil can be easily ensured to pass through the inner holes of the filter plate, on the other hand, the swinging of the rotating disc drives the sliding rod to slide left and right in the limiting block, the mutual sliding between the anti-blocking fiber and the filter plate is realized, the inner holes of the filter plate can be effectively prevented from being blocked by the large-particle crystals, the function of centralized collection is played.
Drawings
FIG. 1 is a schematic front view of the production apparatus of the present invention;
FIG. 2 is a schematic view of a front view partially in section of the production apparatus of the present invention;
FIG. 3 is a schematic view of a main boresight side construction of a screw pump of the present invention;
FIG. 4 is a schematic view of the internal main viewing axis side structure of the filtration apparatus of the present invention;
FIG. 5 is a schematic view of a filter plate mounting axial side configuration of the present invention;
FIG. 6 is a schematic view of the construction of the cleaning plate of the present invention from the front view axis side;
FIG. 7 is a 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 refrigerator; 7. standing in a box; 8. a third addition valve; 9. a screw pump; 10. a filtration device; 11. a dewaxing oil tank; 12. a base plate; 13. a filter plate; 14. a groove; 15. a limiting block; 16. a drive motor; 17. driving the rotating shaft; 18. a slide bar; 19. a fixed block; 20. a ball bearing; 21. a turntable; 22. a limiting groove; 23. cleaning the plate; 24. anti-blocking fiber.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
As shown in fig. 1-3, a plant aromatic grease dewaxing device and a production process thereof include a feed pump 1, a crystallizer 2 is arranged at an outlet of the feed pump 1, a first adding valve 3 and a second adding valve 4 for quantitatively adding a filter aid are arranged on the crystallizer 2, an agitating mechanism 5 is arranged inside the crystallizer 2, a refrigerator 6 is further arranged outside the crystallizer 2, a standing box 7 is arranged at a bottom discharge outlet of the crystallizer 2, a third adding valve 8 for adding cake powder is arranged at a feed end of the standing box 7, a screw pump 9 is arranged at a discharge end of the standing box 7, a filtering device 10 is arranged at a discharge end of the screw pump 9, a dewaxing oil tank 11 is arranged at a wax outlet end of the filtering device 10, a plurality of groups of bottom plates 12 are arranged inside the filtering device 10, the groups of bottom plates 12 form a stepped structure, a plurality of groups of filtering plates 13 are arranged on the bottom plates 12, and the pore diameters of inner pores of the filtering plates 13 are gradually reduced from the feed end to the discharge end of the filtering device 10.
As shown in fig. 4-5, a groove 14 is disposed at a central position of the bottom plate 12, a limiting block 15 and a driving motor 16 are disposed along a long side direction of the groove 14, wherein the limiting block 15 is fixedly disposed on the filtering apparatus 10, an 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 disposed in the limiting block 15, a fixing block 19 is disposed on the sliding rod 18, a ball 20 is disposed at a free end of the fixing block 19, a rotating disc 21 for driving the sliding rod 18 to slide is disposed on an outer side of a middle portion of the driving rotating shaft 17, a limiting groove 22 for the ball 20 to pass through is disposed on a surface of the rotating disc 21, a cleaning plate 23 is disposed on the sliding rod 18, a strip-shaped hole is disposed in the cleaning plate 23, and an anti-blocking fiber 24 is disposed on the cleaning plate 23.
An included angle exists between the disc surface of the rotary disc 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 is parallel to the plate surface of the filter plate 13, and the anti-blocking fiber 24 is 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 thereof is in a sharp-pointed 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:
s1: preparing;
checking whether the chilled water pump and a refrigerating machine circulating pipeline are unblocked or not, and starting the refrigerating machine to ensure normal circulation of chilled water; opening a valve from cooling water to the refrigerator, and starting 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 in a manual control program after the control parameter is determined; specifically refer to the refrigerator manufacturer's instructions; starting an automatic operation mode of the refrigerator to start cooling the ice water, and after the temperature is reduced to a set temperature, still ensuring the operation of the refrigerator, and carrying out advanced refrigeration 2 hours before oil inlet;
s2: feeding oil;
the rapeseed oil after the hydration degumming process is cooled by a refrigerator 6 at a certain flow rate through a feed pump 1, and then is sent into a crystallizing tank 2, and when the rapeseed oil is injected into the crystallizing tank 2, a quantitative filter aid is added together with the rapeseed oil through a first adding valve 3 and a second adding valve 4; and simultaneously, stirring a mixture formed by the filter aid and the rapeseed oil at a low speed by using a stirring mechanism 5, and controlling the crystallization temperature of the mixture to ensure that the wax is separated out from the rapeseed oil.
S3: filtering;
introducing a mixture formed by 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 an inlet valve and an outlet valve of a pipeline, sequentially operating all equipment, checking, confirming and pressing, waiting for filtering the rapeseed oil, checking the inlet valve and the outlet valve of a screw pump, setting good operation frequency, introducing the mixture in the standing box 7 into the filtering equipment 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 stepped bottom plate 12 and passes through the filter plate 13, so that the separation of impurities and oil wax is realized;
because the bottom of the common filtering device 10 is of a flat structure, when filtering, the flowing liquid can impact the bottom by one strand of brain, only by gravity, the substances with larger density such as impurities are accumulated at the bottom of the filtering device 10, the upper layer floats the liquid, the layered filtering is realized in the vertical direction, the liquid is conveniently and slowly guided and passes through the filter plate 13 by arranging the bottom plate 12 which is distributed in a ladder shape and controlling the discharge amount of the screw pump 9, the filtering effect of the vegetable oil and the wax crystals is conveniently realized in the transverse direction because the filter plate 13 is detachably arranged at one side of the bottom plate 12 and the inner holes of the filter plate 13 are gradually reduced, meanwhile, the bottom of the bottom plate 12 is provided with the groove 14, the corner of the groove 14 is convenient to play a role of blocking, the impurities and the crystals with large mass can be conveniently deposited, compared with the common filtering device, the filtering effect is better and is easy to realize, on the one hand, be convenient for the quick separation large granule diameter's impurity, on the other hand, the impurity collocation filter 13 of tiny granule uses, plays good filterable effect.
Wherein the filtered wax is accumulated in the groove 14, the drive shaft 17 is rotated under the action of the drive motor 16 by opening the drive motor 16, the rotating disc 21 is swung by utilizing the rotation of the drive shaft 17, and the rotating disc 21 is driven to swing due to the included angle between the rotating disc 21 and the axis direction of the drive shaft 17, on one hand, a front thrust and a rear thrust exist in the groove 14, when the mixture of the vegetable oil and the wax crystals in the groove 14 is pushed, the wax crystals in the vegetable oil are conveniently pushed to the other side of the groove 14, large-particle crystals are prevented from entering the inner hole of the filter plate 13, the crystals are prevented from blocking the hole, the passing of the vegetable oil is influenced, the oil level of the vegetable oil is increased, the filtering effect is influenced, the wax crystals at the moment are accumulated on the other side of the groove 14 along with the flowing of the vegetable oil, and are gradually accumulated under the action of wax crystals accumulation, a slope can be formed in the groove 14, so that wax crystals can be continuously attached conveniently, for convenience of understanding, the action of simulating that sea waves impact a beach, impurities on the beach are driven to the beach through the flow of seawater and the impurities in the seawater are removed is performed, the wax crystals in the vegetable oil are collected in a centralized manner, when the mixture of the vegetable oil and the wax crystals in the groove 14 is sucked backwards, the vegetable oil is conveniently pumped back, the liquid level of the vegetable oil is ensured, and the vegetable oil can be easily ensured to pass through the inner hole of the filter plate 13;
on the other hand, the swing of the rotary table 21 drives the slide bar 18 to slide left and right in the limiting block 15, and it should be explained that the fixed block 19 fixed on the slide bar 18 is limited inside the limiting groove 22 through the balls 20, the structure is easy to implement, and the linkage is strong, and along with the left and right sliding of the cleaning plate 23, the anti-blocking fiber 24 and the filter plate 13 slide mutually, so that the crystal of large particles can be effectively prevented from blocking the inner hole of the filter plate 13, and the strip-shaped hole of the cleaning plate 23 is convenient for the particles to pass through, so that the large particle impurities can be returned to the groove 14 again, and the function of centralized collection is achieved;
and after the wax crystals are solidified, opening the filtering equipment 10 to realize cleaning, wherein the filtered dewaxed oil enters the dewaxing oil tank 11, is pumped to the belt filter by using the high-viscosity rotor pump and then enters the finished product tank to realize the dewaxing effect of the rapeseed oil.
Wherein the addition proportion of the filter aid is 2 percent. 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, a plant heavy fragrant grease dewaxing device and a production process thereof, comprising a feed pump 1, wherein a crystallizer 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 a filter aid are arranged on the crystallizer 2, a stirring mechanism 5 is arranged inside the crystallizer 2, a refrigerator 6 is also arranged outside the crystallizer 2, a standing box 7 is arranged at the bottom discharge outlet of the crystallizer 2, a third adding valve 8 for adding cake powder is arranged at the feeding end of the standing box 7, a screw pump 9 is arranged at the discharge end of the standing box 7, a filtering 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 filtering device 10, a plurality of groups of bottom plates 12 are arranged inside the filtering device 10, the groups of bottom plates 12 form a ladder-shaped structure, a plurality of groups of filtering plates 13 are arranged on the bottom plates 12, holes inside the filtering plates 13 are arranged from the feeding end to the discharge end of the filtering device 10, the inner pore diameter of the porous material 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 edge direction of recess 14, wherein stopper 15 is fixed to be located on 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 and is used for driving gliding carousel 21 of slide bar 18, the spacing groove 22 that supplies ball 20 to pass is seted up on the surface of carousel 21, be equipped with cleaning plate 23 on the slide bar 18, be equipped with the bar hole in the cleaning plate 23, be equipped with anti-blocking fiber 24 on the cleaning plate 23.
An included angle exists between the disc surface of the rotary disc 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 is parallel to the plate surface of the filter plate 13, and the anti-blocking fiber 24 is 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 thereof is in a sharp-pointed 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:
s1: preparing;
checking whether the chilled water pump and a refrigerating machine circulating pipeline are unblocked or not, and starting the refrigerating machine to ensure normal circulation of chilled water; opening a valve from cooling water to the refrigerator, and starting 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 in a manual control program after the control parameter is determined; specifically refer to the refrigerator manufacturer's instructions; starting an automatic operation mode of the refrigerator to start cooling the ice water, and after the temperature is reduced to a set temperature, still ensuring the operation of the refrigerator, and carrying out advanced refrigeration 2 hours before oil inlet;
s2: feeding oil;
the sunflower oil after the hydration degumming process is cooled by a refrigerator 6 at a certain flow rate through a feeding pump 1, and then is sent into a crystallizing tank 2, and when the sunflower oil is injected into the crystallizing tank 2, a quantitative filter aid is added together with the sunflower oil through a first adding valve 3 and a second adding valve 4; meanwhile, a stirring mechanism 5 is used for stirring the mixture formed by the filter aid and the sunflower oil at a low speed, and the crystallization temperature is controlled to ensure that the wax is separated out 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 an inlet valve and an outlet valve of a pipeline, sequentially operating all equipment, checking, confirming compaction, waiting for filtering the sunflower oil, checking the inlet valve and the outlet valve of a screw pump, setting good operation frequency, introducing the mixture in the standing box 7 into filtering equipment 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 stepped bottom plate 12 and passes through the filter plate 13 to realize separation of impurities and oil wax, wherein the filtered wax is accumulated in the groove 14, the filter device 10 is opened to realize cleaning after the filtered wax is solidified, and the filtered dewaxed oil enters the dewaxing oil tank 11, is pumped to the belt filter by the high-viscosity rotor pump and then enters the finished product tank to realize dewaxing of the sunflower oil.
Wherein the addition proportion of the filter aid is 2 percent. The temperature of the refrigerant is maintained at 5-8 ℃ by a refrigerator 6. The crystallization temperature of the crystallization tank 2 is 7 ℃, and the cooling period is 14-20 hours.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (10)

1. A vegetable oil dewaxing equipment which is characterized in that: the device comprises a feed pump (1), wherein a crystallizing tank (2) is arranged at an outlet of the feed pump (1), a first adding valve (3) and a second adding valve (4) which are used for quantitatively adding a filter aid are arranged on the crystallizing tank (2), a stirring mechanism (5) is arranged inside the crystallizing tank (2), a refrigerating machine (6) is further arranged outside the crystallizing tank (2), a standing box (7) is arranged at a bottom discharge outlet of the crystallizing tank (2), a third adding valve (8) which is used for adding cake powder is arranged at a feeding end of the standing box (7), a screw pump (9) is arranged at a discharge end of the standing box (7), a filtering device (10) is arranged at a discharge end of the screw pump (9), a dewaxing oil tank (11) is arranged at a wax outlet end of the filtering device (10), a plurality of groups of bottom plates (12) are arranged inside the filtering device (10), and the bottom plates (12) form a stepped structure, the filter plate is characterized in that a plurality of groups of filter plates (13) are arranged on the bottom plate (12), and the pore diameters of the inner holes of the filter plates (13) are gradually reduced from the feeding end to the discharging end of the filter equipment (10).
2. The vegetable fat and oil dewaxing apparatus according to claim 1, wherein: the filter is characterized in that a groove (14) is formed in the central position 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 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 fixing block (19) is arranged on the sliding rod (18), balls (20) are arranged at the free end of the fixing block (19), a rotary disc (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 balls (20) to pass through is formed in the surface of the rotary disc (21), a cleaning plate (23) is arranged on the sliding rod (18), the cleaning plate (23) is internally provided with strip-shaped holes, and the cleaning plate (23) is provided with anti-blocking fibers (24).
3. The vegetable fat and oil dewaxing apparatus according to claim 2, wherein: an included angle is formed between the disc surface of the rotary disc (21) and the central axis of the driving rotary shaft (17), and the included angle ranges from 30 degrees to 45 degrees.
4. The vegetable fat dewaxing apparatus according to claim 2, wherein: the face of clearance board (23) is parallel to each other with the face of filter (13), prevent that stifled fibre (24) are located between clearance board (23) and filter (13).
5. The vegetable fat and oil dewaxing apparatus according to claim 2, wherein: the anti-blocking fibers (24) are made of silica gel, and the free ends of the anti-blocking fibers are in a sharp-pricked structure.
6. The vegetable fat and oil dewaxing apparatus according to claim 1, wherein: the filter aid is cake powder or diatom.
7. A process for manufacturing a vegetable fat and oil dewaxing apparatus according to any one of claims 1 to 6, wherein: the method comprises the following steps:
s1: preparing;
starting a refrigerating machine (6) to precool the equipment pipeline 2 hours before oil feeding;
s2: feeding oil;
the vegetable oil after the hydration degumming process is cooled by a refrigerator (6) at a certain flow rate through a feeding pump (1), then is sent into a crystallizing tank (2), and when the oil is injected into the crystallizing tank (2), a quantitative filter aid is added together with the vegetable oil through a first adding valve (3) and a second adding valve (4); meanwhile, a stirring mechanism (5) is used for stirring a mixture formed by the filter aid and the vegetable oil at a low speed, and the crystallization temperature of the mixture is controlled to ensure that the wax is separated out 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 along the upper surface layer of the stepped bottom plate (12) and passes through the filter plate (13) to realize separation of impurities and oil wax, the filtered wax is accumulated in the groove (14), the filter equipment (10) is opened to realize cleaning after the filtered wax is solidified, and the filtered dewaxed oil enters the dewaxing oil tank (11) and is pumped to the belt filter by the high-viscosity rotor to enter the finished product tank after being filtered, so that dewaxing of the vegetable oil and fat is realized.
8. The process according to claim 7, wherein the dewaxing fluid is prepared by: the addition proportion of the filter aid is 2%.
9. The process according to claim 7, wherein the dewaxing fluid is prepared by: the temperature of the refrigerant is maintained at 5-10 ℃ by the refrigerating machine (6).
10. The process according to claim 7, wherein the dewaxing fluid is prepared by: 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)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210438813.3A CN114657021B (en) 2022-04-25 2022-04-25 Plant sesame oil dewaxing equipment and production process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210438813.3A CN114657021B (en) 2022-04-25 2022-04-25 Plant sesame oil dewaxing equipment and production process

Publications (2)

Publication Number Publication Date
CN114657021A true CN114657021A (en) 2022-06-24
CN114657021B CN114657021B (en) 2023-08-08

Family

ID=82037494

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210438813.3A Active CN114657021B (en) 2022-04-25 2022-04-25 Plant sesame oil dewaxing equipment and production process

Country Status (1)

Country Link
CN (1) CN114657021B (en)

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

Also Published As

Publication number Publication date
CN114657021B (en) 2023-08-08

Similar Documents

Publication Publication Date Title
KR101686901B1 (en) Methods and apparatus for production of natural l-menthol
CN1197637C (en) Freeze concentration for aqueous solutions
CN101892125B (en) Efficient winterization device and winterization method of tea oil
US8911809B2 (en) Method of separating meat components via centrifuge
DE1519716B2 (en) Method and device for the continuous freeze concentration of aqueous coffee solution
JP2007040548A (en) Method and device for manufacturing salt water soft ice
CN102229860A (en) Supersonic wave method for promoting rapid crystallization and fractionation of palm oil
US10537120B2 (en) Lyotropic composition of carbohydrates in fats, method for obtaining it and application thereof in the preparation of chocolate and substitutes
CN216497757U (en) Filter equipment is used in honey production
CN107261545B (en) Integrated solution freeze concentration equipment and freeze concentration method
CN114657021A (en) Dewaxing equipment and production process for plant aromatic grease
US6367285B1 (en) Freeze-concentrating apparatus for aqueous solutions, ice pillar producing apparatus, and freeze-concentrating method for aqueous solutions
CN107837560B (en) System and method for continuously freezing and concentrating aqueous solution
CN207307240U (en) A kind of crystallization apparatus that initial crystallization is carried out to kojic acid raw material
CN210874197U (en) Crystallizing tank for camellia oil
DE7119673U (en) EQUIPMENT FOR THE PRODUCTION OF PURE FISSIBLE ICE
EP2705760A2 (en) Apparatus for continuous tempering of chocolate mass
CH675626A5 (en)
CN208434664U (en) A kind of Anfu ham special low temperature salting apparatus
CN214551506U (en) Cold settling tank for defatted cannabidiol in industrial hemp
CN213549380U (en) Spiral precooler with water changing function
CN204369840U (en) Camellia oil winterization skimming equipment
CN209219223U (en) Progressive freezing and concentrating device for liquid food
CN103589508A (en) Environment-friendly type filter process for edible oil
CN206494870U (en) Oxalic acid crystal circulates preparation facilities

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant