CN213739344U

CN213739344U - Decolorizing device for grease processing

Info

Publication number: CN213739344U
Application number: CN202021501950.XU
Authority: CN
Inventors: 郑美应
Original assignee: Wuxue Fukang Rapeseed Oil Co ltd
Current assignee: Wuxue Fukang Rapeseed Oil Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-07-20
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a decolorizing device for processing grease, which is characterized in that compared with the single utilization of the action of gravity, the combined action of centrifugal force and gravity when stirring by stirring blades is utilized to ensure that the separation efficiency of grease and decolorizing agent is higher and the separation speed is high; the screw conveyor is arranged below the inverted conical part, so that the decolorized grease can be further recovered, and the waste is less.

Description

Decolorizing device for grease processing

Technical Field

The utility model belongs to the technical field of edible oil processing, especially a decoloration device is used in oil processing.

Background

Edible oil such as rapeseed oil is obtained by squeezing seeds of plants such as rapeseed. The edible oil is generally required to be decolored after being squeezed to become qualified edible oil. In the common edible oil decoloration, the rapeseed oil is sprayed on the edible oil decolorant, and the rapeseed oil is contacted with the edible oil decolorant, so that the aim of decoloration is fulfilled.

The current chinese granted patent CN210560316U provides a device for rapeseed oil decoloration, sets up into oil pipe and arm-tie in the device, is equipped with decolorant and filter screen on the arm-tie, and crude oil drips on the decolorant and carries out the decoloration, flows out from going out oil pipe at last. Such as the grease decoloring device provided by the Chinese granted patent CN 208472024U. Through set up 2 filter layers that can slide from top to bottom in the decoloration jar, adsorb the decoloration to the grease in the decoloration jar. For example, in the decoloring device for tea oil refining provided in chinese granted patent CN210367598U, a stirring rod and a heating resistor rod are arranged in a decoloring tank to heat and decolor tea oil, and then clay for decoloring is filtered out through a filter tank below the decoloring tank to complete grease decoloring. The devices have limited decolorization efficiency, and the separation rate of the oil and the decolorizer after decolorization is low, so that the processing speed of the oil is influenced.

Disclosure of Invention

In order to solve the problems of the prior art, the utility model provides a grease is discoloring device for processing realizes through following technical scheme.

A decolorization device for processing grease comprises a decolorization tank consisting of a cylindrical part and an inverted cone part, wherein an electric valve plate is arranged between the cylindrical part and the inverted cone part positioned below the cylindrical part, 2 support cylinders which are closely sleeved together and are coaxial with the cylindrical part are arranged in the cylindrical part, and the top and the bottom of each support cylinder are sealed with the top surface and the bottom surface of the cylindrical part; an oil outlet gap is arranged between the outer supporting cylinder and the inner wall of the cylindrical part; a plurality of oil outlet holes which are uniformly distributed are formed in the 2 supporting cylinders, any 1 supporting cylinder rotates relative to the other supporting cylinder, so that the oil outlet holes in the 2 supporting cylinders are overlapped or staggered, and a first filter screen is attached to the inner wall of the supporting cylinder; the rotating support cylinder is controlled to rotate by a driving piece arranged outside the cylindrical part;

a stirring shaft is arranged at the position of a middle shaft of the inner supporting cylinder, stirring blades are arranged on the stirring shaft, a first motor, an oil inlet pipe and a material inlet pipe are arranged on the top surface of the cylindrical part, the oil inlet pipe and the material inlet pipe correspond to the inner space of the inner supporting cylinder, and the first motor controls the stirring shaft to rotate;

a discharge pipe is arranged at the bottom of the inverted conical part; an oil outlet pipe is arranged at the bottom of the side wall of the cylindrical part and is communicated with the oil outlet gap; and a controller is additionally arranged and is electrically connected with the first motor and the electric valve plate.

The working principle of the decoloring device for processing the grease is as follows: (1) closing the electric valve plate between the cylindrical part and the inverted conical part, and controlling the driving part to stagger the oil outlet holes on the two supporting cylinders at the same time, so that the oil outlet holes on the 2 supporting cylinders are staggered with each other, namely the 2 supporting cylinders completely separate the oil outlet gap from the internal space of the supporting cylinder; because the 2 supporting cylinders are tightly attached and nested, no gap exists between the supporting cylinders, and grease cannot seep out; (2) respectively leading oil to be decolored and an adsorption decolorant (such as argil) to enter into the inner supporting cylinder from the oil inlet pipe and the feed pipe; then starting a first motor by using a controller, enabling a stirring shaft to drive a stirring blade to rotate, and further enabling a decoloring agent and the grease to be decolored to be quickly stirred, so that the grease is quickly decolored; (3) after the decolorization is finished, oil outlet holes in the two supporting cylinders are completely overlapped by using a driving piece, namely, an oil outlet gap is communicated with the inner space of the supporting cylinders; at the moment, a plurality of decolorized grease in the supporting cylinder passes through the first filter screen and the oil outlet holes on the 2 supporting cylinders, permeates into the oil outlet gap and flows out of the oil outlet pipe connected with the oil outlet gap; meanwhile, the stirring speed of the first motor is increased, so that the mixture of the residual grease and the decolorant in the supporting cylinder gradually moves towards the inner wall of the supporting cylinder under the pushing of the stirring blades, the grease in the mixture is thrown into an oil outlet gap under the action of centrifugal force, and the decolored grease and the decolorant are separated to the maximum extent; (4) after no more grease flows out in the oil outlet pipe, the decolorant that has adsorbed grease impurity and colour is basically left in the support cylinder, opens the electric valve plate, and the decolorant falls into back taper portion and leaves the decoloration jar from the discharging pipe to accomplish the grease decoloration.

Preferably, the driving part is a manual push rod, the top surface of the cylindrical part is provided with an arc-shaped through groove concentric with the cylindrical part, the manual push rod penetrates through the through groove from the outer side of the top surface of the cylindrical part to be connected with the top of the rotating support cylinder, a sealing sheet is horizontally arranged on the manual push rod, and the sealing sheet is attached to and seals the through groove; the manual push rod pushes the supporting cylinder to rotate along the through groove. The manual push rod is pulled manually by an operator to enable 1 of the support cylinders to rotate relative to the other 1 of the support cylinders, so that the oil outlet holes in the 2 support cylinders are overlapped or staggered. The effect of gasket is that manual push rod is being dragged the messenger and can guarantee to lead to the groove and be in encapsulated situation all the time, avoids appearing grease and spills over or other incident.

More preferably, a second motor is further disposed on the top surface of the cylindrical portion, the second motor drives the manual push rod to move along the through groove through a gear assembly, and the second motor is electrically connected to the controller. Utilize second motor and gear assembly, can rotate 2 support barrels relatively automatically, saved the manpower. The gear assembly is a commercially available mechanism that is commonly used by technicians.

Preferably, be equipped with on the (mixing) shaft from last a plurality of layers down stirring vane, every layer stirring vane sets up and the quantity is 2 at least along vertical direction.

More preferably, the vertical projection of each of said mixing blades is tangential to the side wall of said mixing shaft. The purpose of the tangency of the vertical projection of the stirring blades and the stirring shaft is to ensure that the stirring blades are not distributed in the radial direction of the supporting cylinder, but have a certain angle which can guide the grease and decolorant mixture to move towards the inner wall direction of the supporting cylinder due to the centrifugal action,

further optionally, the vertical edge of the stirring blade is close to the first filter screen. The purpose that the vertical limit of stirring leaf criticism is close to first filter screen is to scrape the mixture on the first filter screen, reduces first filter screen jam.

Preferably, spiral conveying mechanism is connected to the below of discharging pipe, spiral conveying mechanism's bottom is equipped with the second filter screen, second filter screen below is equipped with the oil catch bowl, the oil catch bowl with go out the oil pipe intercommunication, spiral conveying mechanism with the controller electricity is connected. When the mixture that spills from the back taper portion bottom gets into screw conveyor and carries, remaining a small amount of grease in the mixture passes the second filter screen because of the action of gravity and gets into the oil sump, is confluent transportation to in the oil pipe afterwards.

Preferably, the decoloring device further comprises a vacuum generator, the vacuum generator is connected with the decoloring tank through a vacuum valve, a pressure sensor is arranged on the side wall of the decoloring tank, and the controller is electrically connected with the vacuum generator and the pressure sensor. Part of grease needs to be decolorized in a vacuum environment, so a vacuum generator needs to be arranged to vacuumize the decolorizing tank.

More preferably, a heating mechanism is arranged in the decolorizing tank, and the heating mechanism is electrically connected with the controller. Most of the grease needs to be heated and decolorized at the same time, so a heating mechanism needs to be arranged.

Further preferably, the heating mechanism is a heating resistance wire and a temperature sensor, the heating resistance wire is embedded in the stirring blade, and the temperature sensor is arranged on the stirring shaft. The heating resistance wire is embedded in the stirring blade, so that the stirring blade can be heated more uniformly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. compared with the method of singly utilizing the action of gravity, the method utilizes the combined action of centrifugal force and gravity when the stirring blades are used for stirring, so that the separation efficiency of the grease and the decolorant is higher, and the separation speed is high;

2. the screw conveyor is arranged below the inverted conical part, so that the decolorized grease can be further recovered, and the waste is less.

Drawings

Fig. 1 is a schematic view of the internal structure of a decoloring apparatus for fat and oil processing according to embodiment 1;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a plan view of a decoloring tank of the decoloring apparatus for fat and oil processing according to embodiment 1;

FIG. 4 is a schematic perspective view of a support cylinder of the decoloring apparatus for fat and oil processing according to embodiment 1;

FIG. 5 is a schematic view showing the internal structure of a decoloring apparatus for fat and oil processing according to embodiment 2;

in the figure: 1. a cylindrical portion; 2. an inverted cone-shaped portion; 3. an electric valve plate; 4. a support cylinder; 5. an oil outlet gap; 6. an oil outlet hole; 7. a first filter screen; 8. a manual push rod; 9. a through groove; 10. sealing the sheet; 11. a stirring shaft; 12. a stirring blade; 13. a first motor; 14. an oil inlet pipe; 15. a feed pipe; 16. a discharge pipe; 17. an oil outlet pipe; 18. a controller; 19. a second motor; 20. a gear assembly; 21. a screw conveying mechanism; 22. a second filter screen; 23. an oil sump; 24. a vacuum generator; 25. a vacuum valve; 26. a pressure sensor; 27. heating resistance wires; 28. a temperature sensor.

Detailed Description

The technical solutions of the embodiments in this patent will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of this patent. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the patent without making creative efforts, shall fall within the protection scope of the patent.

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the patent and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of this patent, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

The patent is described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Example 1

As shown in fig. 1 to 4, the grease processing decoloring apparatus provided by this embodiment includes a decoloring tank including a cylindrical portion 1 and an inverted conical portion 2, wherein an electric valve plate 3 is disposed between the cylindrical portion 1 and the inverted conical portion 2 located below the

cylindrical portion

1, 2 support cylinders 4 are disposed in the cylindrical portion 1, the support cylinders are closely fitted together and are coaxial with the cylindrical portion 1, and the top and bottom of each support cylinder 4 are sealed (sliding sealed or fixed sealed) with the top and bottom surfaces of the cylindrical portion 1; an oil outlet gap 5 is arranged between the outer supporting cylinder 4 and the inner wall of the cylindrical part 1; a plurality of strip-shaped oil outlets 6 which are uniformly distributed (as shown in fig. 4) are arranged on 2 supporting cylinders 4, any 1 supporting cylinder 4 rotates relative to another supporting cylinder 4, so that the oil outlets 6 on the 2 supporting cylinders 4 are overlapped or staggered, and a first filter screen 7 is attached to the inner wall of the inner supporting cylinder 4; the rotating support cylinder 4 is controlled to rotate by a driving piece arranged outside the top surface of the cylindrical part 1;

the driving piece is a manual push rod 8, the top surface of the cylindrical part 1 is provided with a circular arc through groove 9 concentric with the cylindrical part 1, the manual push rod 8 penetrates through the through groove 9 from the outer side of the top surface of the cylindrical part 1 to be connected with the top of the rotating support cylinder 4, a sealing sheet 10 is horizontally arranged on the manual push rod 8, and the sealing sheet 10 is attached to and seals the through groove 9; the manual push rod 8 pushes the support cylinder 4 to rotate along the through groove 9;

a stirring shaft 11 is arranged at the position of a middle shaft of the inner supporting cylinder 4, stirring blades 12 are arranged on the stirring shaft 11, 3 layers of the stirring blades 12 are arranged from top to bottom, and each layer of the stirring blades 12 is arranged along the vertical direction and is 2; a first motor 13, an oil inlet pipe 14 and a feed pipe 15 are arranged on the top surface of the cylindrical part 1, the oil inlet pipe 14 and the feed pipe 15 correspond to the inner space of the support cylinder 4, and the first motor 13 controls the stirring shaft 11 to rotate;

a discharge pipe 16 is arranged at the bottom of the inverted conical part 2; an oil outlet pipe 17 is arranged at the bottom of the side wall of the cylindrical part 1, and the oil outlet pipe 17 is communicated with the oil outlet gap 5; a controller 18 is further provided, and the controller 18 is electrically connected with the first motor 13 and the electric valve plate 3.

The working principle of the decoloring device for processing the grease is as follows: (1) closing the electric valve plate between the cylindrical part and the inverted conical part, and simultaneously controlling and using a manual push rod (driving piece) to stagger the oil outlet holes on the two supporting cylinders, so that the oil outlet holes on the 2 supporting cylinders are staggered with each other, namely the 2 supporting cylinders completely separate an oil outlet gap from the internal space of the supporting cylinder; because the 2 supporting cylinders are tightly attached and sleeved, no gap exists between the supporting cylinders, and grease cannot seep into an oil outlet gap; (2) respectively leading oil to be decolored and an adsorption decolorant (such as argil) to enter into the inner supporting cylinder from the oil inlet pipe and the feed pipe; then starting a first motor by using a controller, enabling a stirring shaft to drive a stirring blade to rotate, and further enabling a decoloring agent and the grease to be decolored to be quickly stirred, so that the grease is quickly decolored; (3) after the decolorization is finished, as shown in fig. 1, oil outlet holes on the two supporting cylinders are completely overlapped by using a driving piece, namely, an oil outlet gap is communicated with the inner space of the supporting cylinder; at the moment, a plurality of decolorized grease in the supporting cylinder passes through the first filter screen and the oil outlet holes on the 2 supporting cylinders, permeates into the oil outlet gap and flows out of the oil outlet pipe connected with the oil outlet gap; meanwhile, the stirring speed of the first motor is increased, so that the mixture of the residual grease and the decolorant in the supporting cylinder gradually moves towards the inner wall of the supporting cylinder under the pushing of the stirring blades, the grease in the mixture is thrown into an oil outlet gap under the action of centrifugal force, and the decolored grease and the decolorant are separated to the maximum extent; (4) after no more grease flows out in the oil outlet pipe, the decolorant that has adsorbed grease impurity and colour is basically left in the support cylinder, opens the electric valve plate, and the decolorant falls into back taper portion and leaves the decoloration jar from the discharging pipe to accomplish the grease decoloration.

Example 2

As shown in fig. 5, the decoloring apparatus for processing fat and oil according to the present embodiment is optimized on the basis of the dormitory 1 as follows:

1. a second motor 19 is further arranged on the top surface of the cylindrical part 1, the second motor 19 drives the manual push rod 8 to move along the through groove 9 through a gear assembly 20, and the second motor 19 is electrically connected with the controller 18;

2. the vertical projection of each stirring blade 12 of each layer is tangent to the side wall of the stirring shaft 11; the vertical edge of the stirring blade 12 is close to the first filter screen 7;

3. as shown in fig. 5, a spiral conveying mechanism 21 is connected below the discharge pipe 16, a second filter screen 22 is arranged at the bottom of the spiral conveying mechanism 21, an oil collecting tank 23 is arranged below the second filter screen 22, the oil collecting tank 23 is communicated with the oil outlet pipe 17, and the spiral conveying mechanism 21 is electrically connected with the controller 18;

4. the top surface of the decoloring tank is also provided with a vacuum generator 24, the vacuum generator 24 is connected with the decoloring tank through a vacuum valve 25, the side wall of the decoloring tank is provided with a pressure sensor 26, and the controller 18 is electrically connected with the vacuum generator 24 and the pressure sensor 26; the decolorizing tank is internally provided with a heating mechanism, the heating mechanism comprises a heating resistance wire 27 and a temperature sensor 28, the heating resistance wire 27 is embedded in the stirring blade 12, the temperature sensor 28 is arranged on the stirring shaft 11, and the heating resistance wire 27 and the temperature sensor 28 are electrically connected with the controller 18.

After the device is optimized, the second motor can be used for enabling the rotation adjustment of the 2 supporting cylinders to be more labor-saving and quicker; the mixture of grease and decolorant is more easily by stirring vane stirring guide to on first filter screen to make the grease pass the filter screen with higher speed, screw conveyor is used for accelerating decolorant and transports, and remaining grease in the decolorant can be collected to second filter screen and the oil catch bowl of below. The whole decoloring process can be set in a vacuum state and a heating state.

The above embodiments describe the implementation of the present invention in detail, however, the present invention is not limited to the specific details of the above embodiments. Within the scope of the claims and the technical idea of the present invention, various simple modifications and changes can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

Claims

1. A decolorization device for processing grease is characterized by comprising a decolorization tank consisting of a cylindrical part and an inverted cone-shaped part, wherein an electric valve plate is arranged between the cylindrical part and the inverted cone-shaped part positioned below the cylindrical part, 2 support cylinders which are closely sleeved together and are coaxial with the cylindrical part are arranged in the cylindrical part, and the top and the bottom of each support cylinder are sealed with the top surface and the bottom surface of the cylindrical part; an oil outlet gap is arranged between the outer supporting cylinder and the inner wall of the cylindrical part; a plurality of oil outlet holes which are uniformly distributed are formed in the 2 supporting cylinders, any 1 supporting cylinder rotates relative to the other supporting cylinder, so that the oil outlet holes in the 2 supporting cylinders are overlapped or staggered, and a first filter screen is attached to the inner wall of the supporting cylinder; the rotating support cylinder is controlled to rotate by a driving piece arranged outside the cylindrical part;

2. The grease processing decoloring apparatus according to claim 1, wherein the driving member is a manual push rod, a circular arc-shaped through groove concentric with the cylindrical portion is formed in the top surface of the cylindrical portion, the manual push rod passes through the through groove from the outside of the top surface of the cylindrical portion to be connected with the top of the rotating support cylinder, and a sealing sheet is horizontally arranged on the manual push rod and is attached to and seals the through groove; the manual push rod pushes the supporting cylinder to rotate along the through groove.

3. The decoloring apparatus for processing oil or fat according to claim 2, wherein a second motor is further disposed on a top surface of the cylindrical portion, the second motor drives the manual push rod to move along the through groove through a gear assembly, and the second motor is electrically connected to the controller.

4. The decoloring apparatus for processing oil or fat according to claim 1, wherein the stirring shaft is provided with a plurality of layers of the stirring blades from top to bottom, and each layer of the stirring blades is provided in a vertical direction and has at least 2 stirring blades.

5. The apparatus according to claim 4, wherein a vertical projection of each of the stirring blades is tangential to a side wall of the stirring shaft.

6. The apparatus according to claim 5, wherein the vertical edge of the stirring blade is adjacent to the first strainer.

7. The decoloring apparatus for processing oil and fat according to claim 1, wherein a screw conveyor is connected below the discharge pipe, a second filter screen is disposed at the bottom of the screw conveyor, an oil collection tank is disposed below the second filter screen, the oil collection tank is communicated with the oil outlet pipe, and the screw conveyor is electrically connected to the controller.

8. The decoloring apparatus for processing oil and fat according to claim 1, further comprising a vacuum generator, wherein the vacuum generator is connected to the decoloring tank through a vacuum valve, a pressure sensor is disposed on a side wall of the decoloring tank, and the controller is electrically connected to the vacuum generator and the pressure sensor.

9. The apparatus according to claim 1, wherein a heating means is provided in the decoloring tank, and the heating means is electrically connected to the controller.

10. The decoloring apparatus for processing fat and oil according to claim 9, wherein the heating mechanism is a heating resistance wire and a temperature sensor, the heating resistance wire is embedded inside the stirring blade, and the temperature sensor is disposed on the stirring shaft.