CN219526564U

CN219526564U - Cooling dewaxing system is used in sunflower seed oil production and processing

Info

Publication number: CN219526564U
Application number: CN202320393102.9U
Authority: CN
Inventors: 周龙长; 程水银; 何幼新; 李世春
Original assignee: Anhui Laige Engineering Technology Co ltd
Current assignee: Anhui Laige Engineering Technology Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-08-15
Anticipated expiration: 2033-03-01

Abstract

The utility model relates to a cooling dewaxing system for sunflower seed oil production and processing, which comprises at least one crystallization tank, a feeding pipeline and a discharging pipeline which are connected with the crystallization tank, a heat exchanger for cooling degummed oil in the feeding pipeline, a screw pump connected with the discharging pipeline, and a plate-and-frame filter press arranged at the output end of the screw pump. According to the utility model, after the heat exchanger is used for pre-cooling the degummed oil conveyed into the crystallization tank, cooling of the degummed oil is accelerated, the degummed oil at the central position is continuously conveyed and diffused through rotation of the diffusion piece, circulation drives flow of the degummed oil, uniformity is good, quick cooling is easy, wax crystals are formed, the filter aid is added into the crystallization tank through the filter aid adding component, the heat exchanger and the inner tank body are cooled through the cooling component, dewaxed oil is obtained through filtering of the plate-and-frame filter press, and finished oil is obtained through further filtering of the dewaxed oil through the bag filter, so that processing efficiency is high.

Description

Cooling dewaxing system is used in sunflower seed oil production and processing

Technical Field

The utility model belongs to the technical field of sunflower seed oil dewaxing equipment, and particularly relates to a cooling dewaxing system for sunflower seed oil production and processing.

Background

The dewaxing process of sunflower seed oil includes the steps of injecting the hydrated degummed oil into a crystallizing tank, adding cake powder or diatomite filter aid into the crystallizing tank, cooling to separate out wax from the oil, and filtering to obtain the product oil.

In the prior art, a cooling structure for cooling a crystallization tank is attached to the outside of the crystallization tank, and degummed oil at the center position of the crystallization tank is far away from the cooling structure, so that the cooling speed is slow, the time consumption is long, the time difference between crystallization at the center position of the crystallization tank and crystallization at the edge position of the crystallization tank is large, the formation of wax crystals is not facilitated, and the processing efficiency is low.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a cooling structure for cooling a crystallization tank is attached to the outside of the crystallization tank, the degummed oil at the center of the crystallization tank is far away from the cooling structure, the cooling speed is slow, and the time consumption is long, so that the time difference between the center of the crystallization tank and the edge of the crystallization tank is large, the formation of wax crystals is not facilitated, and the processing efficiency is low.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides a sunflower seed oil production and processing is with cooling dewaxing system, includes at least one crystallization tank, the feed pipe who is connected with the crystallization tank and the ejection of compact pipeline, is used for carrying out the heat exchanger that cools down to the degummed oil in the feed pipe, the screw pump that is connected with the ejection of compact pipeline, locates the plate and frame filter press of screw pump output, locates the dewaxing oil tank of plate and frame filter press dewaxed oil output, locates the bag filter of dewaxing oil tank output, the crystallization tank is connected with filter aid and adds the subassembly, heat exchanger, crystallization tank are cooled down through cooling module.

As a further optimization scheme of the utility model, the crystallization tank comprises an outer tank body, an inner tank body arranged in the outer tank body, a heat exchange coil pipe arranged in the inner tank body, and a stirring piece arranged in the inner tank body and positioned at the inner ring of the heat exchange coil pipe, wherein a condensation cavity is reserved between the outer tank body and the inner tank body.

As a further optimization scheme of the utility model, the stirring piece comprises a rotating shaft, a stirring motor and at least one group of dispersing pieces, wherein the rotating shaft is rotatably connected inside the inner tank body, the stirring motor is used for driving the rotating shaft to rotate, and the dispersing pieces are arranged on the rotating shaft.

As a further optimization scheme of the utility model, the diffusion piece comprises a spiral stirring shaft sleeved on the rotating shaft, a conical diffusion cover connected to the outer wall of the rotating shaft through a connecting rod and positioned above the spiral stirring shaft, and a plurality of guide plates uniformly distributed on the inner wall of the conical diffusion cover, wherein a conveying channel is reserved between two adjacent guide plates.

As a further optimization scheme of the utility model, the filter aid adding component comprises a pulverizer, a filter aid pipeline connected with the pulverizer and the inner tank body, a fan, a pulse dust collector and a filter aid box which are sequentially arranged on the filter aid pipeline, wherein a first adding valve and a second adding valve are sequentially arranged on the filter aid pipeline between the filter aid box and the inner tank body.

As a further optimization scheme of the utility model, the cooling assembly comprises a refrigerator, a cooling water tank connected with the refrigerator, a chilled water circulation pipeline used for connecting the heat exchanger, the inner tank body, the heat exchange coil and the refrigerator, and a condensing agent tank connected with the chilled water circulation pipeline.

As a further optimization scheme of the utility model, a chilled water recovery pump is arranged on the chilled water circulation pipeline, a cooling water delivery pump is arranged between the cooling water tank and the refrigerator, and a delivery pump is arranged between the dewaxing oil tank and the bag filter.

As a further optimization scheme of the utility model, the inner tank body is internally provided with temperature sensors.

The utility model has the beneficial effects that:

1) After the degummed oil conveyed into the crystallization tank is subjected to pre-cooling treatment through the heat exchanger, cooling of the degummed oil is accelerated, a filter aid is added into the crystallization tank through a filter aid adding component, the heat exchanger and the inner tank body are cooled through a cooling component, dewaxed oil is obtained through filtering of a plate-and-frame filter press, and dewaxed oil is further filtered through a bag filter to obtain finished oil;

2) The cooling device has the advantages that the cooling cavity and the inside of the heat exchange coil are respectively provided with chilled water, the rotating shaft and the diffusion piece are driven to rotate together by the stirring motor, and the degummed oil at the central position is conveniently guided and diffused by the diffusion piece, so that the degummed oil can be more similar to the inner wall of the heat exchange coil or the inner tank body, and can be subjected to heat exchange with the chilled water, thereby the degummed oil can be rapidly cooled down to realize crystallization, the flow of the degummed oil is circularly driven, the uniformity is good, the rapid cooling is easy, wax crystals are formed, and the processing efficiency is high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

FIG. 2 is a cross-sectional view of the crystallization tank of the present utility model.

FIG. 3 is a cross-sectional view of the crystallization tank of the present utility model.

Fig. 4 is a perspective view of the stirring element of the present utility model.

Fig. 5 is a perspective cross-sectional view of the stirring element of the present utility model.

In the figure: 1. a heat exchanger; 2. a crystallization tank; 21. an outer can; 22. an inner tank; 23. a condensing chamber; 24. a heat exchange coil; 25. a stirring member; 251. a stirring motor; 252. a rotating shaft; 253. a spiral stirring shaft; 254. a conical diffusion cover; 255. a connecting rod; 256. a guide plate; 201. a feed conduit; 202. a discharge pipe; 3. a cooling water tank; 4. a cooling water delivery pump; 5. a refrigerating machine; 6. a chilled water recovery pump; 7. a condensing agent tank; 8. a pulverizer; 801. a filter aid conduit; 9. a blower; 10. a pulse dust collector; 11. a first addition valve; 12. a second addition valve; 13. a screw pump; 14. a plate and frame filter press; 15. a dewaxed oil tank; 16. a transfer pump; 17. a bag filter; 18. a chilled water circulation line.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the utility model only and is not to be construed as limiting the scope of the utility model, as various insubstantial modifications and adaptations of the utility model to those skilled in the art can be made in light of the foregoing disclosure.

As shown in fig. 1-5, a cooling dewaxing system for sunflower seed oil production and processing comprises at least one crystallization tank 2, a feeding pipeline 201 and a discharging pipeline 202 which are connected with the crystallization tank 2, a heat exchanger 1 for cooling degummed oil in the feeding pipeline 201, a screw pump 13 connected with the discharging pipeline 202, a plate-and-frame filter press 14 arranged at the output end of the screw pump 13, a dewaxing oil tank 15 arranged at the dewaxing oil output end of the plate-and-frame filter press 14, and a bag filter 17 arranged at the output end of the dewaxing oil tank 15, wherein the crystallization tank 2 is connected with a filter aid adding component, and the heat exchanger 1 and the crystallization tank 2 are cooled through a cooling component.

Further, the crystallization tank 2 includes an outer tank 21, an inner tank 22 disposed in the outer tank 21, a heat exchange coil 24 disposed in the inner tank 22, and a stirring member 25 disposed in the inner tank 22 and disposed in an inner ring of the heat exchange coil 24, and a condensation chamber 23 is left between the outer tank 21 and the inner tank 22.

Further, the stirring member 25 includes a rotating shaft 252 rotatably connected to the inside of the inner tank 22, a stirring motor 251 for driving the rotating shaft 252 to rotate, and at least one set of diffusion members provided on the rotating shaft 252.

Further, the diffusing member comprises a spiral stirring shaft 253 sleeved on the rotating shaft 252, a conical diffusing cover 254 connected to the outer wall of the rotating shaft 252 through a connecting rod 255 and positioned above the spiral stirring shaft 253, and a plurality of guiding plates 256 uniformly distributed on the inner wall of the conical diffusing cover 254, wherein a conveying channel is reserved between two adjacent guiding plates 256.

Preferably, the filter aid adding component comprises a pulverizer 8, a filter aid pipeline 801 connected with the pulverizer 8 and an inner tank 22, a fan 9, a pulse dust collector 10 and a filter aid box which are sequentially arranged on the filter aid pipeline 801, a first adding valve 11 and a second adding valve 12 are sequentially arranged between the filter aid box and the inner tank 22 on the filter aid pipeline 801, the filter aid pulverized by the pulverizer 8 is conveyed to the pulse dust collector 10 for filtration under the extraction of the fan 9, the filtered powdery filter aid is collected and stored in the filter aid box, and the filter aid can be conveyed to the inner tank 22 through the filter aid pipeline 801 by opening the first adding valve 11 and the second adding valve 12.

Preferably, the cooling assembly comprises a refrigerator 5, a cooling water tank 3 connected with the refrigerator 5, a chilled water circulation pipeline 18 used for connecting the heat exchanger 1, the inner tank 22, the heat exchange coil 24 and the refrigerator 5, and a condensing agent tank 7 connected with the chilled water circulation pipeline 18, wherein the chilled water is cooled by the working refrigeration of the refrigerator 5, and is conveyed to the inner tank 22 and the heat exchange coil 24 through the chilled water circulation pipeline 18 so as to cool degummed oil in the inner tank 22, the chilled water circulation pipeline 18 and the heat exchanger 1 exchange heat to lower the temperature of the heat exchanger 1, and the low-temperature heat exchanger 1 and degummed oil exchange heat, so that cooling pretreatment of the degummed oil is realized.

In this embodiment, a valve is provided at the outlet of the condensate tank 7.

In this embodiment, the chilled water recycling pump 6 is disposed on the chilled water recycling pipeline 18, the cooling water conveying pump 4 is disposed between the cooling water tank 3 and the refrigerator 5, the conveying pump 16 is disposed between the dewaxing oil tank 15 and the bag filter 17, chilled water is conveniently recovered through the chilled water recycling pump 6, water inside the cooling water tank 3 is conveniently conveyed to the refrigerator 5 through the cooling water conveying pump 4, and dewaxed oil is conveniently pumped to the bag filter 17 through the conveying pump 16 for filtration.

In this embodiment, temperature sensors are disposed in the inner tank 22, and the temperature of the oil in the inner tank 22 is detected in real time by the temperature sensors, so that a worker can adjust the operation of the refrigerator 5.

When in use, the cooling operation is that the cooling water delivery pump 4, the refrigerator 5 and the chilled water recovery pump 6 are started, the cooling water and the chilled water can flow smoothly, the refrigerator 5 works to cool the chilled water, after the temperature is reduced to the set temperature, the operation of the refrigerator 5 is still ensured, then the hydrated degummed oil is delivered into the inner tank 22 through the feeding pipeline 201, when the degummed oil is delivered through the feeding pipeline 201, the degummed oil exchanges heat with the heat exchanger 1, thereby realizing the cooling pretreatment of the degummed oil, the degummed oil after the cooling pretreatment is delivered into the inner tank 22, when the degummed oil is injected into the inner tank 22, the first adding valve 11 and the second adding valve 12 are also required to be opened, and a proper amount of filter aid is added into the inner tank 22, simultaneously, the stirring motor 251 is started, the stirring motor 251 is operated to drive the rotating shaft 252 and the diffusion member to rotate together, wherein the spiral stirring shaft 253 in the diffusion member rotates to lift the degummed oil close to the spiral stirring shaft 253 upwards, then passes through a channel between two adjacent guide plates 256 and overflows onto the outer surface of the conical diffusion cover 254 from the upper port of the conical diffusion cover 254, and then diffuses outwards along the outer surface of the conical diffusion cover 254, the degummed oil in the central position is conveniently guided and diffused through the diffusion member, so that the degummed oil can be closer to the inner wall of the heat exchange coil 24 or the inner tank 22 to exchange heat with chilled water, the degummed oil is rapidly cooled down to realize crystallization, the uniformity is good, the flow of the degummed oil is circularly driven, the rapid cooling is easy and wax crystals are formed, and simultaneously, the rotation of the shaft 252 with the diffuser member also provides for thorough mixing of the filter aid with the degummed oil.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. 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 utility model, which are all within the scope of the utility model.

Claims

1. Cooling dewaxing system is used in sunflower seed oil production and processing, its characterized in that: including at least one crystallization tank (2), feed pipe (201) and ejection of compact pipeline (202) that are connected with crystallization tank (2), be used for carrying out heat exchanger (1) that cools down to the degummed oil in feed pipe (201), screw pump (13) that are connected with ejection of compact pipeline (202), locate plate and frame filter press (14) of screw pump (13) output, locate dewaxing oil tank (15) of plate and frame filter press (14) dewaxed oil output, locate bag filter (17) of dewaxing oil tank (15) output, crystallization tank (2) are connected with filter aid and add the subassembly, heat exchanger (1), crystallization tank (2) are cooled down through cooling assembly.

2. The cooling dewaxing system for sunflower seed oil production and processing of claim 1, wherein: the crystallization tank (2) comprises an outer tank body (21), an inner tank body (22) arranged in the outer tank body (21), a heat exchange coil (24) arranged in the inner tank body (22), and a stirring piece (25) arranged in the inner tank body (22) and positioned at the inner ring of the heat exchange coil (24), wherein a condensation cavity (23) is reserved between the outer tank body (21) and the inner tank body (22).

3. The cooling dewaxing system for sunflower seed oil production and processing of claim 2, wherein: the stirring piece (25) comprises a rotating shaft (252) rotatably connected inside the inner tank body (22), a stirring motor (251) for driving the rotating shaft (252) to rotate and at least one group of dispersing pieces arranged on the rotating shaft (252).

4. The cooling dewaxing system for sunflower seed oil production and processing of claim 3, wherein: the diffusion piece comprises a spiral stirring shaft (253) sleeved on the rotating shaft (252), a conical diffusion cover (254) connected to the outer wall of the rotating shaft (252) through a connecting rod (255) and positioned above the spiral stirring shaft (253), and a plurality of guide plates (256) uniformly distributed on the inner wall of the conical diffusion cover (254), wherein a conveying channel is reserved between every two adjacent guide plates (256).

5. The cooling dewaxing system for sunflower seed oil production and processing of claim 2, wherein: the filter aid adding assembly comprises a pulverizer (8), a filter aid pipeline (801) connected with the pulverizer (8) and an inner tank body (22), a fan (9), a pulse dust collector (10) and a filter aid box which are sequentially arranged on the filter aid pipeline (801), and a first adding valve (11) and a second adding valve (12) which are sequentially arranged between the filter aid box and the inner tank body (22) on the filter aid pipeline (801).

6. The cooling dewaxing system for sunflower seed oil production and processing of claim 2, wherein: the cooling assembly comprises a refrigerator (5), a cooling water tank (3) connected with the refrigerator (5), a chilled water circulation pipeline (18) for connecting the heat exchanger (1), the inner tank body (22), the heat exchange coil (24) and the refrigerator (5), and a condensing agent tank (7) connected with the chilled water circulation pipeline (18).

7. The cooling dewaxing system for sunflower seed oil production and processing of claim 6, wherein: the chilled water recycling pump (6) is arranged on the chilled water recycling pipeline (18), the cooling water conveying pump (4) is arranged between the cooling water tank (3) and the refrigerator (5), and the conveying pump (16) is arranged between the dewaxing oil tank (15) and the bag filter (17).

8. The cooling dewaxing system for sunflower seed oil production and processing of claim 2, wherein: temperature sensors are arranged in the inner tank body (22).