Vegetable oil impurity removal equipment

By designing a limiting rod and a rotating limiting component, the problems of inconvenient installation and high cost of the pressure holding structure in existing equipment are solved, enabling convenient filter paper limiting and cleaning, and improving filtration effect and cleanliness.

CN224062733UActive Publication Date: 2026-03-31JIAHE ZHENGJIA AGRICULTURAL TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing negative pressure vegetable oil impurity removal equipment, the pressure holding structure is inconvenient to install, has a high cost, and the metal locks that are difficult to clean are fixed to the cylinder, affecting the filtration effect and cleanliness.

Method used

The limit rod is designed with an n-shaped structure, combined with a rotating limit component and an L-shaped pressure ear, to replace the traditional metal lock and achieve convenient pressure ring limiting and removal; a set-top platform is set on the inner edge of the mounting ring to support the filter screen, improving the stability of the filter paper and the ease of cleaning.

Benefits of technology

It improves the convenience and performance of the filter structure, reduces production costs, ensures the stability and cleanliness of the filter screen, and enhances the filtration effect.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model belongs to the technical field of vegetable oil impurity removal, and particularly relates to vegetable oil impurity removal equipment which comprises a filter cartridge, a filter screen assembly is mounted on the upper portion of the filter cartridge, a negative pressure cavity is formed in the lower portion of the filter screen assembly, a pressing ring for pressing filter paper is arranged on the upper portion of the filter screen assembly, and a pressing lug plate is arranged on the pressing ring. A pressing and holding lug plate is arranged in the filter cartridge, a strip-shaped hole is formed in the pressing and holding lug plate, a limiting rod is arranged on the upper portion of the filter cartridge, a rotary limiting piece is installed on the top of the limiting rod, the size of the rotary limiting piece is matched with that of the strip-shaped hole, and the negative pressure cavity is connected with a negative pressure generator, an air inlet valve and an oil drain valve. The rotary limiting piece capable of rotating is arranged on the upper portion of the limiting rod, so that the pressing ring can be conveniently limited, and a metal lock catch does not need to be arranged to lock the pressing ring; the production cost can be obviously reduced; and the use is more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plant oil impurity removal technical field especially, relate to a plant oil impurity removal equipment. BACKGROUND

[0002] In prior art, there is a kind of negative pressure plant oil impurity removal equipment, filter paper is arranged in the middle of filter cartridge, vacuum is extracted in lower space, so that the plant oil in upper portion enters negative pressure space after passing through filter paper, thereby filtering plant oil, wherein pressure ring is further arranged on the upper portion of filter paper, for compacting filter paper, metal lock catch is arranged on the outer wall of filter cartridge, and the pressure holding piece of metal lock catch is bent upwards along the wall of cylinder and then extends into filter cartridge to hold pressure ring.

[0003] However, in actual use, the outer wall of pressure ring is attached to the inner wall of filter cartridge, and filter residue is remained in the inner wall of pressure ring, so that it is difficult to take out after filtering, and the pressure holding piece of metal lock catch extends into cylinder, so that it is contacted with plant oil, and metal lock catch is fixedly connected with cylinder body, so that it is difficult to clean, and the price is relatively high. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of plant oil impurity removal equipment, solve the problem of plant oil negative pressure impurity removal equipment in prior art, pressure holding structure is not enough convenient to install, and cost is higher.

[0005] The utility model provides the following technical scheme:

[0006] A kind of plant oil impurity removal equipment, including filter cartridge, filter screen assembly is installed on the upper portion of the filter cartridge, negative pressure cavity is provided in the lower portion of the filter screen assembly, the pressure ring of filter paper is provided in the upper portion of the filter screen assembly, the pressure ring is provided with pressure holding ear plate, the pressure holding ear plate is provided with strip-shaped hole, the upper portion of the filter cartridge is provided with limit rod, the limit rod top is installed with rotary limit piece, the size of the rotary limit piece is adapted with the strip-shaped hole, the negative pressure cavity is connected with negative pressure generator, inlet valve and oil discharge valve.

[0007] In a possible implementation, the filter cartridge is divided into upper oil inlet area and lower negative pressure cavity by filter screen and filter paper, the bottom of the negative pressure cavity is provided with oil discharge pipe, the oil discharge pipe end is connected with oil discharge valve, the negative pressure cavity is connected with suction pipe, the suction pipe is connected with inlet valve and negative pressure generator, and check valve is further connected between the suction pipe and negative pressure generator.

[0008] In a possible implementation, the suction pipe is provided with oil baffle on the upper portion of the pipe opening in the negative pressure cavity.

[0009] In a possible implementation, the negative pressure cavity is further connected with air pressure gauge.

[0010] In a possible implementation, the filter screen assembly comprises a mounting ring fixedly connected with the filter cylinder body, a sunken platform is arranged on the inner edge of the mounting ring, and a filter screen flush with the upper surface of the mounting ring is arranged on the sunken platform.

[0011] In a possible implementation, the filter screen comprises a main plate body, a through hole is arranged on the main plate body, and a fine mesh surface is arranged on the main plate body, and a metal edge is arranged on the edge of the main plate body and the fine mesh surface.

[0012] In a possible implementation, a sealing ring is fixedly arranged on the lower part of the compression ring.

[0013] In a possible implementation, the limiting rod comprises an n-shaped main body, a vertical first connecting rod is arranged on the middle part of the n-shaped main body, a rotary limiting piece is rotatably arranged on the top of the first connecting rod, the rotary limiting piece comprises a second connecting rod rotatably connected with the first connecting rod, and a transverse limiting plate is fixedly arranged on the top of the second connecting rod.

[0014] In a possible implementation, the filter cylinder is provided with a circular mounting cylinder, an oil discharge pipe, an air suction pipe and a switch door are arranged on the circular mounting cylinder, heat dissipation holes are arranged on the switch door, and a negative pressure generator is arranged in the circular mounting cylinder.

[0015] It should be understood that the foregoing general description and the following detailed description are only exemplary and do not limit the utility model.

[0016] In the utility model, the limiting rod is arranged in an n shape and can be used as a handle, the rotary limiting piece arranged on the upper part of the limiting rod can conveniently limit the compression ring, and the metal lock catch is not needed to lock the compression ring, so that the production cost can be significantly reduced.

[0017] In the utility model, the L-shaped pressing ear arranged on the compression ring can limit the compression ring together with the limiting rod, so that the filter paper is pressed and held, and on the other hand, the compression ring can be conveniently taken out or put in, so that the utility is more convenient.

[0018] In the utility model, the mounting ring is arranged, the sunken platform is arranged on the inner edge of the mounting ring, so that the filter screen can be placed, on the one hand, the filter paper can be supported, and the filtration is not disturbed, and on the other hand, the filter screen can be conveniently taken out, so that the filter cylinder is cleaned, and the cleaning degree is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of a plant oil impurity removal equipment provided by the embodiment of the utility model;

[0020] Figure 2The utility model discloses a kind of plant oil impurity removal equipment's compression ring structure schematic view one provided by the embodiment of the utility model.

[0021] Figure 3 The utility model discloses a kind of plant oil impurity removal equipment's compression ring structure schematic view two provided by the embodiment of the utility model.

[0022] Figure 4 The utility model discloses a kind of plant oil impurity removal equipment's compression ring, sealing ring cut structure schematic view provided by the embodiment of the utility model.

[0023] Figure 5 The utility model discloses a kind of plant oil impurity removal equipment's limiting rod and rotating limiting piece structure schematic view provided by the embodiment of the utility model.

[0024] Figure 6 The utility model discloses a kind of plant oil impurity removal equipment's rotating limiting piece structure schematic view provided by the embodiment of the utility model.

[0025] Figure 7 The utility model discloses a kind of plant oil impurity removal equipment's whole structure schematic view after removing filter screen provided by the embodiment of the utility model.

[0026] Figure 8 The utility model discloses a kind of plant oil impurity removal equipment's installation ring, support frame structure schematic view provided by the embodiment of the utility model.

[0027] Figure 9 The utility model discloses a kind of plant oil impurity removal equipment's filter screen structure schematic view provided by the embodiment of the utility model.

[0028] Reference signs:

[0029] 1, filter cartridge;2, n-shaped main body;3, first connecting rod;4, limiting plate;5, L-shaped pressing ear;501, vertical rod;502, strip-shaped hole;503, transversely folded rod;6, compression ring;601, nested ring;7, suction duct;8, suction port;9, circular mounting cylinder;10, switch door;11, sealing ring;12, second connecting rod;13, installation ring;14, sunken table;15, support frame;16, oil baffle;17, oil discharge port;18, oil discharge pipe;19, metal edge binding;20, main plate body;21, fine mesh surface;22, circular table. DETAILED DESCRIPTION

[0030] The utility model embodiments are described below in conjunction with the drawings in the utility model embodiments.

[0031] In the description of the embodiments of the utility model, it needs to be explained that, unless there is explicit provision and limitation, the terms "connect", "mount" should be understood in a broad sense, for example, "connect" can be detachable connection, can also be inseparable connection, can be direct connection, also can be indirect connection through intermediate medium. In addition, "communication" can be direct communication, also can be indirect communication through intermediate medium. Among them, "fix" refers to the relative position relationship of each other after connection. The orientation language mentioned in the embodiments of the utility model, for example, "inner", "outer", "top", "bottom" and the like, is only the direction of reference drawing, therefore, the orientation language used is for better, more clearly illustrate and understand the embodiments of the utility model, and cannot be understood as indicating or implying that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, therefore, cannot be understood as the limitation of the embodiments of the utility model.

[0032] In the embodiments of the utility model, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0033] In the embodiments of the utility model, "and / or" is only a description of the association relationship of the associated object, which means that there can be three kinds of relationships, for example, A and / or B, which can mean that A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are a "or" relationship.

[0034] In the description of the embodiments of the utility model, "one embodiment" or "some embodiments" means that one or more embodiments of the utility model include the specific features, structures or characteristics described in connection with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in other some embodiments", "in other some embodiments" and the like appearing in the description are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized. The terms "include", "contain", "have" and their variants mean "include but are not limited to", unless otherwise specifically emphasized.

[0035] Generally, the machine-pressed vegetable oil can have residues, such as solid impurities such as broken shells, seed coats, fibers, etc. These impurities can affect the quality and shelf life of the oil. If not filtered, the oil may appear turbid and may also have precipitates, affecting the taste and appearance. In addition, impurities can contain moisture or other substances, which can easily cause the oil to deteriorate, produce off-flavors or rancidity, and shorten the shelf life.

[0036] Therefore, it is generally necessary to filter the mechanical plant oil by means of processing, on the one hand, to ensure the filtering efficiency, and on the other hand, to ensure the filtering quality.

[0037] In the prior art, there is a negative pressure plant oil impurity removal equipment, a filter paper is arranged in the middle of a filter cartridge, a lower space is vacuumized, so that plant oil in the upper part enters a negative pressure space after passing through the filter paper, thereby filtering the plant oil, a pressing ring 6 is further arranged on the upper part of the filter paper, and is used for pressing the filter paper, metal buckles are arranged on the outer wall of the filter cartridge, and the pressing members of the metal buckles are folded upwards along the wall of the cartridge and then extend into the filter cartridge to press the pressing ring 6.

[0038] However, in actual use, the outer wall of the pressing ring 6 is attached to the inner wall of the filter cartridge, and filter residues are left on the inner wall of the pressing ring 6, so that the filter residues are difficult to take out after filtering, and the pressing members of the metal buckles extend into the cartridge, so that the pressing members are in contact with the plant oil, the metal buckles are fixedly connected with the cartridge body, so that the metal buckles are difficult to clean, and the metal buckles are relatively expensive.

[0039] Therefore, the plant oil impurity removal equipment is improved in the filtering structure, the pressing ring 6 and the fixing mechanism, so that the filtering performance of the filtering structure is effectively improved, the convenience of taking the pressing ring 6 is improved, and the material cost and the installation cost of the fixing structure are reduced.

[0040] Specifically, as shown in the drawings, Figures 1-9 As shown in the drawings, a plant oil impurity removal equipment includes a filter cartridge 1, the filter cartridge 1 is a circular cartridge body, an opening is arranged at the top, a conical bottom is arranged at the bottom, the middle of the conical bottom is the lowest point, an oil discharge port 17 is arranged at the lowest point, the oil discharge port 17 is connected with an oil discharge pipe 18, and an oil discharge valve is arranged at the end of the oil discharge pipe 18, so that filtered plant oil can be gathered in the middle and discharged from the oil discharge pipe 18, and the conical bottom can avoid residual plant oil in the filter cartridge 1.

[0041] An air suction port 8 is formed in the middle side wall of the filter cartridge 1, the air suction port 8 is connected with an air suction pipeline 7, the air suction pipeline 7 penetrates out of the filter cartridge 1 and is connected with a vacuum pump, the filter cartridge 1 can be vacuumized to form a negative pressure cavity by the vacuum pump when the vacuum pump is powered on, and the incoming plant oil is guided to pass through the filter paper for filtering by the negative pressure.

[0042] The air suction port 8 is connected with an air inlet valve and a check valve through a tee joint, the check valve is connected with the vacuum pump through a pipeline, when the filtering is completed, the air inlet valve is opened, external air can enter the negative pressure space through the air inlet valve and the air suction port 8, and then the valve at the end of the oil discharge pipe is opened, so that the oil discharge action is completed.

[0043] An oil baffle 16 is further arranged on the upper portion of the air suction port 8; the oil baffle 16 is arranged in an inclined manner, and the oil baffle 16 and the inner wall of the filter cylinder 1 form a downward opening; when the vegetable oil drops downward after being filtered by the filter paper, the vegetable oil can be prevented from approaching the air suction port 8 by arranging the oil baffle 16, so that the filtered vegetable oil is prevented from being sucked into the air suction port 8 by the negative pressure.

[0044] An installation ring 13 is arranged above the oil baffle 16; the installation ring 13 is spaced from the top of the filter cylinder 1, the outer edge of the installation ring 13 is welded to the inner wall of the filter cylinder 1, and a sunken platform 14 is arranged on the inner side of the installation ring 13 for installing a filter screen, so that when the filter screen is installed on the sunken platform 14, the upper surface of the filter screen is flush with the upper surface of the installation ring 13.

[0045] Further, the sunken platform 14 is provided with a filter screen; the filter screen comprises a main plate body 20, and a large-diameter circular through hole is formed in the main plate body 20; the diameter of the large-diameter circular through hole is 0.5-1.5 cm; the main plate body 20 is used for supporting a fine mesh screen 21 and allowing filtered vegetable oil to pass through; the main plate body 20 is provided with the fine mesh screen 21; the size of the fine mesh screen 21 is 10-50 mesh; the size in the drawing is only a schematic diagram (the drawing is too small to be blurred), and the fine mesh screen 21 is a metal wire mesh; the fine mesh screen 21 is mainly used for supporting the filter paper and allowing filtered vegetable oil to pass through.

[0046] The fine mesh screen 21 and the main plate body 20 are provided with a metal edge 19 at the edge; the thickness of the metal edge 19 is consistent with the height of the sunken platform 14, so that when the pressing ring 6 is pressed on the installation ring 13 and the metal edge 19, the metal edge 19 can be tightly matched to improve the sealing effect.

[0047] A pressing ring 6 is arranged on the upper portion of the installation ring 13 and the metal edge 19; a sealing ring 11 is fixed to the lower portion of the pressing ring 6; the sealing ring 11 is pressed on the installation ring 13 and the metal edge 19; two L-shaped pressing ears 5 are fixed to the upper portion of the pressing ring 6; the L-shaped pressing ears 5 are symmetrically arranged on the pressing ring 6; the length of a vertical rod 501 of the L-shaped pressing ear 5 is greater than the distance from the installation ring 13 to the top of the filter cylinder 1; a horizontal broken rod 503 at the top of the L-shaped pressing ear 5 extends out of the filter cylinder 1; a strip-shaped hole 502 is formed in the horizontal broken rod 503; a limiting rod is welded to the top of the filter cylinder 1; a rotating limiting piece is arranged at the top of the limiting rod; when the length direction of the rotating limiting piece is consistent with the length direction of the strip-shaped hole 502, the rotating limiting piece can pass through the strip-shaped hole 502; after the rotating limiting piece passes through the strip-shaped hole 502, the rotating limiting piece is rotated to make the length direction of the rotating limiting piece inconsistent with the length direction of the strip-shaped hole 502; at this time, the rotating limiting piece cannot pass through the strip-shaped hole 502, so that the pressing ring 6 is locked.

[0048] Specifically, the lower part of the compression ring 6 is provided with a circular nesting ring for nesting the sealing ring 11, and the upper part of the sealing ring 11 is provided with a mounting groove matched with the circular nesting ring, and when the mounting groove is sleeved on the circular nesting ring, the fixing and mounting of the sealing ring 11 and the compression ring 6 are completed.

[0049] The circular nesting ring comprises a vertical connecting ring and a nesting ring at the bottom of the connecting ring, and the cross section of the nesting ring is circular or rectangular.

[0050] Further, the circular nesting ring is located directly above the outer edge of the bearing platform to further improve the sealing effect.

[0051] Further, the limiting rod comprises an n-shaped main body 2, a vertical first connecting rod 3 is arranged in the middle of the n-shaped main body 2, a circular mounting cavity is arranged at the top of the first connecting rod 3, a circular through hole is arranged in the middle of the circular mounting cavity, the rotating limiting piece comprises a second connecting rod 12, a circular truncated cone 22 is arranged at the bottom of the second connecting rod 12, the circular truncated cone 22 is matched with the circular mounting cavity, the second connecting rod 12 is matched with the circular through hole, and a transverse limiting plate 4 is fixed at the top of the second connecting rod 12.

[0052] A circular mounting cylinder 9 is arranged at the lower part of the filter cartridge 1, an oil discharge pipe 18, an air suction pipe and a switch door 10 are arranged on the circular mounting cylinder 9, heat dissipation holes are arranged on the switch door 10, and a vacuum pump is arranged in the circular mounting cylinder 9.

[0053] Further, two switch doors 10 are arranged at the lower part of the circular mounting cylinder 9, and the two switch doors 10 are arranged oppositely. When only one switch door 10 is opened, it is difficult to install the vacuum pump in the circular mounting cylinder 9 due to the small size of the circular mounting cylinder 9, so the installation is difficult. Therefore, the two oppositely arranged switch doors 10 can move the internal vacuum pump with both hands to adjust the position and perform the installation operation, thereby improving the installation convenience of the internal vacuum pump. The wiring terminals are concentrated on one of the switch doors 10, so that when the wiring needs to be maintained, the switch door 10 can be opened to complete the wiring maintenance, thereby expanding the operation space for maintenance, avoiding wiring in the small space of the circular mounting cylinder 9, and further improving the convenience of equipment installation. The heat dissipation holes are arranged on the other switch door 10, so that the heat dissipation of the vacuum pump is provided.

[0054] Further, in order to improve the stability of the installation ring 13 and the filter cartridge 1 and improve the stability of the filter screen, a support frame 15 is further arranged at the lower part of the installation ring 13. The support frame 15 is in the shape of a cross, four end portions of the support frame 15 are welded and connected with the inner wall of the filter cartridge 1, and an ascending section is arranged in the middle of the support frame 15, so that the middle portion can be attached with the main plate body 20 of the filter screen installed on the sink, thereby providing support for the main plate body 20 of the filter screen.

[0055] Further, the filter cartridge 1 is also connected with a barometer, the connecting port of the barometer and the filter cartridge 1 is located below the mounting ring 13, and the connecting pipe port of the barometer is arranged downwardly, so that the plant oil dripping after being filtered by the filter paper cannot enter the connecting pipe port, the air pressure value below the filter screen can be seen through the barometer, the vacuum pump is closed when the negative pressure reaches a predetermined value, at this time, the air inlet valve is in a closed state, the air inlet valve and the check valve make the lower part of the filter screen in a sealed negative pressure state, so that the plant oil above the filter paper is filtered downwardly by the negative pressure effect, until the plant oil above the filter paper is completely filtered, the air inlet valve is opened, at this time, the external air pressure is communicated with the sealed negative pressure space below the filter paper, then the oil discharge valve is opened to discharge oil, so that the plant oil filtering is completed once.

[0056] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application; in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A plant oil impurity removal apparatus, characterized by, The application relates to a filter cartridge, which is provided with a filter screen assembly on the upper portion of the filter cartridge, a negative pressure cavity on the lower portion of the filter screen assembly, a pressing ring for pressing filter paper on the upper portion of the filter screen assembly, a pressing ear plate on the pressing ring, a strip-shaped hole on the pressing ear plate, a limiting rod on the upper portion of the filter cartridge, a rotary limiting piece on the top of the limiting rod, and the rotary limiting piece is matched with the strip-shaped hole, a negative pressure generator, an air inlet valve and an oil discharge valve connected with the negative pressure cavity.

2. The plant oil impurity removal apparatus according to claim 1, characterized by, The filter cartridge is divided into an upper oil inlet area and a lower negative pressure cavity by a filter screen and filter paper, the bottom of the negative pressure cavity is provided with an oil discharge pipe, the end of the oil discharge pipe is connected with an oil discharge valve, the negative pressure cavity is connected with a gas suction pipe, the gas suction pipe is connected with an air inlet valve and a negative pressure generator, and a check valve is further connected between the gas suction pipe and the negative pressure generator.

3. The plant oil impurity removal apparatus according to claim 2, wherein The gas suction pipe is provided with an oil baffle on the upper portion of the pipe opening in the negative pressure cavity.

4. The plant oil impurity removal apparatus according to claim 3, wherein The negative pressure cavity is further connected with an air pressure gauge.

5. The plant oil impurity removal apparatus according to claim 1, wherein The filter screen assembly comprises a mounting ring fixedly connected with the filter cartridge body, a sunken table is arranged on the inner edge of the mounting ring, and a filter screen flush with the upper surface of the mounting ring is arranged on the sunken table.

6. The plant oil impurity removal apparatus according to claim 5, wherein The filter screen comprises a main plate body, a through hole is formed in the main plate body, a fine mesh surface is arranged on the main plate body, and a metal edge is arranged on the edge of the fine mesh surface and the main plate body.

7. The plant oil impurity removal apparatus according to claim 1, wherein The pressing ring is fixedly provided with a sealing ring on the lower portion.

8. The vegetable oil impurity removal apparatus as claimed in claim 1, wherein, The limiting rod comprises an n-shaped main body, a vertical first connecting rod is arranged on the middle portion of the n-shaped main body, a rotary limiting piece is rotatably arranged on the top of the first connecting rod, the rotary limiting piece comprises a second connecting rod rotatably connected with the first connecting rod, and a transverse limiting plate is fixedly arranged on the top of the second connecting rod.

9. The plant oil impurity removal apparatus according to claim 1, wherein The lower portion of the filter cartridge is provided with a circular mounting cylinder, the circular mounting cylinder is provided with an oil discharge opening, a gas suction opening and a switch door, the switch door is provided with a heat dissipation hole, and the negative pressure generator is arranged in the circular mounting cylinder.