CN211611673U

CN211611673U - Oleic acid tower for high-purity oleic acid

Info

Publication number: CN211611673U
Application number: CN202020152877.3U
Authority: CN
Inventors: 李伟
Original assignee: Dezhou Shenghao Biotechnology Co ltd
Current assignee: Dezhou Shenghao Biotechnology Co ltd
Priority date: 2020-02-05
Filing date: 2020-02-05
Publication date: 2020-10-02
Anticipated expiration: 2030-02-05

Abstract

The utility model discloses a high-purity oleic acid is with oleic acid tower, comprises a tower body, sealing mechanism is installed to the top of tower body, the outer wall of lead screw all changes the top inner wall that presss from both sides, the middle inner wall of first spring and the top inner wall clearance fit of first commentaries on classics clamp with the second. This high-purity oleic acid tower for oleic acid, through the tower body, the rubber pad, first commentaries on classics clamp, the second changes and presss from both sides, cooperation between screwed pipe and the nut, strengthen the leakproofness of pipe connection department, prevent that oleic acid from spilling over the corruption tower body, improve tower body life, the device has been solved and fatty acid that mix with in can the continuous separation pump drainage gas, fatty acid separation effect is good, but because pipe connection department leakproofness is poor, make oleic acid spill over, corrode the oleic acid tower, the life's of oleic acid tower problem has been reduced, filter screen shell discharges the atmosphere after filtering outer gas of net, prevent atmospheric pollution, when having solved this equipment and using, because outer air of arranging is for doing subsequent processing, can lead to the atmospheric problem of gaseous emission back pollution.

Description

Oleic acid tower for high-purity oleic acid

Technical Field

The utility model relates to a high pure oleic acid technical field specifically is an oleic acid tower for high-purity oleic acid.

Background

The high-purity oleic acid is colorless oily liquid, has the smell of animal oil or vegetable oil, gradually darkens after being placed in the air for a long time, is yellow to red oily liquid as an industrial product, has the smell of lard oil, can be used for producing products such as oleic acid, palmitic acid, erucic acid and the like by a rectifying tower of a high vacuum distillation tower through an advanced production technology, and is mainly characterized in that: the equipment comprises a main fractionating tower, an oleic acid tower, a palmitic acid tower, a erucic acid tower and other continuous production devices for extracting the pure oleic acid.

For example, patent No. 201520599454.5, an oleic acid rectifying column evacuating device, this oleic acid rectifying column evacuating device includes the vacuum unit, connect the evacuation pipeline of vacuum unit and rectifying column, be equipped with cooler and vacuum buffer tank on the evacuation pipeline, the evacuation pipeline of cooler output end connects the vacuum buffer tank air inlet, vacuum buffer tank gas vent connects the vacuum unit, be equipped with fatty acid recovery pipe and fatty acid discharge valve in vacuum buffer tank bottom, although the device can separate the fatty acid that mix with in the pumping gas in succession, fatty acid separation effect is good, but because the leakproofness of pipe connection department is poor, make oleic acid overflow, corrode the oleic acid tower, the problem of the life of oleic acid tower has been reduced, there is this equipment when using simultaneously, because the exhaust air is for doing subsequent processing, can lead to the atmospheric problem of polluting after the gas emission.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oleic acid tower for high-purity oleic acid to solve the device that proposes in the above-mentioned background art and can separate the fatty acid that mix with in the pump drainage gas in succession, fatty acid separation effect is good, but because the sealing performance of pipe connection department is poor, make the oleic acid spill over, corrode oily acid tower, reduced oily acid tower's life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an oleic acid tower for high-purity oleic acid comprises a tower body, wherein a sealing mechanism is arranged above the tower body;

the sealing mechanism comprises an inlet pipe, an outer connecting pipe, a rubber pad, a first rotating clamp, a second rotating clamp, a screw rod, a first spring, a threaded pipe and a nut;

the bottom end of the inlet pipe is communicated with the middle of the top end of the tower body, the upper inner wall of the inlet pipe is attached to the outer wall of the outer pipe, the outer wall of the inlet pipe and the outer pipe is attached to the inner wall of the rubber pad, the outer wall of the rubber pad is attached to the inner wall of the first rotating clamp and the inner wall of the second rotating clamp, the first rotating clamp is movably connected with the second rotating clamp, a screw rod is arranged above the first rotating clamp and the second rotating clamp, the outer wall of the screw rod sequentially penetrates through the upper inner wall of the second rotating clamp, the middle inner wall of the first spring and the upper inner wall of the first rotating clamp, the outer wall of the screw rod is in clearance fit with the upper inner wall of the second rotating clamp, the middle inner wall of the first spring and the upper inner wall of the first rotating clamp, the right outer wall of the screw rod is in threaded connection with the left inner wall of the threaded pipe, the left end of the threaded pipe is fixedly connected to the right end of the, the right-hand member of nut changes the top left end of pressing from both sides with the second and laminates mutually, the top inboard that first commentaries on classics pressed from both sides and second changes all laminates with the outside of first spring mutually. The leakproofness that advances the pipe and be connected with the external pipe is strengthened, prevents that oleic acid from overflowing corrosion tower body, improves tower body life.

Preferably, the inner diameter of the inlet pipe is 0.1-0.2mm larger than the outer diameter of the outer connecting pipe. The connection between the inlet pipe and the external pipe is convenient.

Preferably, the equal rigid coupling in bottom four corners of tower body has the base, the rigid coupling has the exit tube in the middle of the bottom of tower body, the tower body is linked together with the exit tube. The stability of the tower body is improved.

Preferably, a pressure relief mechanism is arranged on the right side below the tower body;

the pressure relief mechanism comprises a box body, a second spring, a ball body and a bent pipe;

the left end rigid coupling of box is at the below right side outer wall of tower body, the box is linked together with the tower body, the right side inner wall of box and the right-hand member looks rigid coupling of second spring, the left end rigid coupling of second spring has the spheroid, the left side inner wall of spheroidal outer wall and box is laminated mutually, the left side top rigid coupling of box has the bent pipe, the box is linked together with the bent pipe. The pressure of the tower body is relieved, so that the phenomenon that the pressure in the tower body is too large and the tower body is broken is prevented.

Preferably, the diameter of the sphere is 3-5 cm. The pressure relief is convenient.

Preferably, the right end above the curved pipe is provided with a filtering mechanism;

the filtering mechanism comprises a filter screen, a circular pipe, a vertical rod, a third spring, a clamping groove, an inserting rod and a vertical plate;

the left end of the filter screen is attached to the right end above the bent pipe, the right end on the left side of the filter screen is attached to the inner wall on the left side of the circular pipe, the circular pipe is communicated with the bent pipe, the vertical rods are arranged on the upper side and the lower side of the left end of the circular pipe, the outer wall of each vertical rod sequentially penetrates through the middle inner wall of the third spring and the inner wall above the left side of the circular pipe, the outer wall of each vertical rod is in clearance fit with the middle inner wall of the third spring and the inner wall above the left side of the circular pipe, the upper bottom end of each vertical rod is attached to the top end of the third spring, the bottom end of the third spring is attached to the outer wall above the left side of the circular pipe, the outer wall below the vertical rod is connected with the inner surface of the clamping groove in a clamping manner, the clamping groove is formed in the inner wall above the bent pipe, the upper inner, the bottom of riser rigid coupling is in the left side top outer wall of pipe. Prevent the gas released by pressure from polluting the atmosphere.

Preferably, the vertical rod, the third spring, the clamping groove, the inserting rod and the vertical plate are symmetrically distributed on the upper side and the lower side with the center line of the filter screen as the center. The connection of the circular tube 602 and the curved tube 504 is made more stable.

Preferably, the thickness of the filter screen is 5-8 cm. The filtering effect of the gas exhausted from the tower body 1 is improved.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the oleic acid tower for high-purity oleic acid has the following advantages:

through the tower body, advance the pipe, the external pipe, the rubber pad, first revolving clamp, the second revolves to press from both sides, the lead screw, first spring, the cooperation between screwed pipe and the nut, strengthen the leakproofness of pipe connection department, prevent that oleic acid from spilling over the corruption tower body, improve tower body life, the device has been solved and fatty acid that mix with in can the continuous separation pump drainage gas, fatty acid separation effect is good, but because pipe connection department leakproofness is poor, make oleic acid spill over, corrode the oleic acid tower, the life's of oleic acid tower problem has been reduced.

Through the cooperation between filter screen, pipe, montant, third spring, draw-in groove, inserted bar and the riser, the filter screen casing discharges the atmosphere after filtering outer gas of arranging, prevents the atmosphere pollution, has solved this equipment when using, because outer air of arranging for doing subsequent processing, can lead to the atmospheric problem of gas emission back pollution.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the inlet tube, the outer tube and the rubber pad in FIG. 1;

FIG. 3 is a schematic structural view of the case, the second spring and the ball of FIG. 1;

fig. 4 is a schematic structural view of the filter screen, the circular tube and the curved tube in fig. 1.

In the figure: 1. the tower body, 2, a base, 3, an outlet pipe, 4, a sealing mechanism, 401, an inlet pipe, 402, an external pipe, 403, a rubber pad, 404, a first rotating clamp, 405, a second rotating clamp, 406, a screw rod, 407, a first spring, 408, a threaded pipe, 409, a nut, 5, a pressure relief mechanism, 501, a box body, 502, a second spring, 503, a sphere, 504, a curved pipe, 6, a filtering mechanism, 601, a filter screen, 602, a round pipe, 603, a vertical rod, 604, a third spring, 605, a clamping groove, 606, an inserted rod, 607 and a vertical plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an oleic acid tower for high-purity oleic acid comprises a tower body 1, wherein a sealing mechanism 4 is arranged above the tower body 1, the sealing mechanism 4 comprises an inlet pipe 401, an external connecting pipe 402, a rubber pad 403, a first rotating clamp 404, a second rotating clamp 405, a screw rod 406, a first spring 407, a threaded pipe 408 and a nut 409, the bottom end of the inlet pipe 401 is communicated with the middle of the top end of the tower body 1, the external oleic acid enters the tower body 1 through the inlet pipe 401 to be extracted, the upper inner wall of the inlet pipe 401 is attached to the outer wall of the external connecting pipe 402, the external oleic acid enters the inlet pipe 401 through the external connecting pipe 402, the outer walls of the inlet pipe 401 and the external connecting pipe 402 are both attached to the inner wall of the rubber pad, the rubber pad seals a gap between the inlet pipe 401 and the external connecting pipe 402, the rubber pad 403 is made of fluororubber and has heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance, the outer wall of the rubber pad 403 is attached to the inner, the first rotating clamp 404 and the second rotating clamp 405 fix the rubber pad 403, the first rotating clamp 404 is movably connected with the second rotating clamp 405, the first rotating clamp 404 rotates on the second rotating clamp 405, a screw rod 406 is arranged above the first rotating clamp 404 and the second rotating clamp 405, the outer wall of the screw rod 406 sequentially penetrates through the upper inner wall of the second rotating clamp 405, the middle inner wall of a first spring 407 and the upper inner wall of the first rotating clamp 404, the outer wall of the screw rod 406 is in clearance fit with the upper inner wall of the second rotating clamp 405, the middle inner wall of the first spring 407 and the upper inner wall of the first rotating clamp 404, the screw rod 406 moves left and right in the second rotating clamp 405, the first spring 407 and the first rotating clamp 404, the right outer wall of the screw rod 406 is in threaded connection with the left inner wall of a threaded pipe 408, the screw rod 406 rotates forward and moves right in the threaded pipe 408, otherwise, the screw rod 406 is separated from the threaded pipe 408, and the left end of the threaded pipe 408 is fixedly connected to the right end of, the first rotating clamp 404 supports the threaded pipe 408, the outer wall of the left side of the screw rod 406 is in threaded connection with the inner wall of the nut 409, the right end of the nut 409 is attached to the left end of the upper portion of the second rotating clamp 405, the nut 409 rotates in the forward direction, the nut 409 moves towards the right side on the screw rod 406, the clamping degree of the first rotating clamp 404 and the clamping degree of the second rotating clamp 405 on the rubber pad 403 are increased, otherwise, the clamping degree of the first rotating clamp 404 and the clamping degree of the second rotating clamp 405 on the rubber pad 403 are increased, the inner sides of the upper portions of the first rotating clamp 404 and the second rotating clamp 405 are both attached to the outer side of the first spring 407, the first rotating clamp 404 and the second rotating clamp 405 move towards each other to compress the first spring 407, the tension of the first rotating clamp 404 and the second rotating clamp 405 towards the outer side is increased, the inner diameter of the inlet.

The bottom four corners of tower body 1 all the rigid coupling have base 2, and four bases 2 support tower body 1, and the rigid coupling has exit tube 3 in the middle of the bottom of tower body 1, and tower body 1 is linked together with exit tube 3, and the oil acid of pure after extracting is discharged through exit tube 3.

The right side below the tower body 1 is provided with a pressure relief mechanism 5, the pressure relief mechanism 5 comprises a box body 501, a second spring 502, a sphere 503 and a curved pipe 504, the left end of the box body 501 is fixedly connected with the right side outer wall below the tower body 1, the box body 501 is communicated with the tower body 1, gas generated by reaction in the tower body 1 is discharged into the box body 501, the right side inner wall of the box body 501 is fixedly connected with the right end of the second spring 502, the box body 501 supports the second spring 502, the left end of the second spring 502 is fixedly connected with the sphere 503, the second spring 502 supports the sphere 503, the outer wall of the sphere 503 is attached to the left side inner wall of the box body 501, when the pressure in the tower body 1 is over high, the sphere 503 is pushed by air pressure to move to the right side in the box body 501, the second spring 502 is compressed, when the air pressure is reduced, otherwise, the sphere 503 is reset by the elasticity of the second spring 502, the left side, the air pressure in the tower body 1 is discharged through the bent pipe 504 to be decompressed, and the diameter of the sphere 503 is 3-5cm, so that the decompression is convenient.

The right end above the curved pipe 504 is provided with the filter mechanism 6, the filter mechanism 6 comprises a filter screen 601, a circular pipe 602, vertical rods 603, a third spring 604, a clamping groove 605, an inserting rod 606 and a vertical plate 607, the left end of the filter screen 601 is attached to the right end above the curved pipe 504, the filter screen 601 filters the gas discharged from the curved pipe 504, the filter screen 601 is made of a stainless steel mesh with activated carbon particles fully distributed inside, the right end of the left end of the filter screen 601 is attached to the inner wall of the left side of the circular pipe 602, the circular pipe 602 supports the filter screen 601, the circular pipe 602 is communicated with the curved pipe 504, the filtered gas is discharged from the circular pipe 602, the vertical rods 603 are arranged on the upper and lower sides of the left end of the circular pipe 602, the outer wall of the upper vertical rod 603 sequentially penetrates through the middle inner wall of the third spring 604 and the inner wall above the left side of the circular pipe 602, the outer wall of the vertical, the vertical rod 603 moves up and down in the third spring 604 and the circular tube 602, the upper bottom end of the vertical rod 603 is attached to the top end of the third spring 604, the vertical rod 603 moves in the opposite direction to compress the third spring 604, otherwise, the vertical rod 603 is reset through the elasticity of the third spring 604, the bottom end of the third spring 604 is attached to the upper left outer wall of the circular tube 602, the circular tube 602 limits the third spring 604, the lower outer wall of the vertical rod 603 is clamped with the inner surface of the clamping groove 605, the clamping groove 605 is arranged on the upper right inner wall of the curved tube 504, the vertical rods 603 on both sides are inserted into the clamping grooves 605 on both sides of the curved tube 504 to fix the circular tube 602 on the curved tube 504, the upper inner wall of the vertical rod 603 is in clearance fit with the left outer wall of the inserted rod 606, the inserted rod 606 moves left and right in the vertical rod 603, the right outer wall of the inserted rod 606 is in clearance fit with the upper inner wall of the vertical plate 607, the vertical rod 603 is fixed in the clamping groove 605, the bottom ends of the vertical plates 607 are fixedly connected to the outer wall of the upper left side of the circular tube 602, the circular tube 602 supports the two vertical plates 607, the vertical rod 603, the third spring 604, the clamping groove 605, the inserting rod 606 and the vertical plates 607 are symmetrically distributed up and down with the central line of the filter screen 601 as the center, so that the connection between the circular tube 602 and the curved tube 504 is more stable, the thickness of the filter screen 601 is 5-8cm, and the filtering effect of gas discharged from the tower body 1 is improved.

When the high-purity oleic acid tower is used, firstly, an external connecting pipe 402 is manually inserted into an inlet pipe 401, a rubber pad 403 is sleeved at the joint of the external connecting pipe 402 and the inlet pipe 401, a first rotating clamp 404 and a second rotating clamp 405 rotate inwards, a screw rod 406 passes through the second rotating clamp 405, a first spring 407 and the first rotating clamp 404, the rotating screw rod 406 moves towards the right side in a threaded pipe 408, the screw rod 406 is fixed in the threaded pipe 408, a rotating nut 409 moves towards the right side on the screw rod 406 to enable the second rotating clamp 405 to move towards one side of the first rotating clamp 404, the second rotating clamp 405 and the first rotating clamp 404 clamp the rubber pad 403, the rubber pad 403 seals the gap between the inlet pipe 401 and the external connecting pipe 402, the external oleic acid enters the tower body 1 through the external connecting pipe 402 and the inlet pipe 401 to be extracted, the filter screen 601 is manually contacted with a curved pipe 504, meanwhile, the vertical rod 603 is pressed inwards, the vertical rod 603 moves towards each other to enable a third spring 604, the vertical rod 603 is inserted into a clamping groove 605 on the curved pipe 504, the insertion rod 606 penetrates through a vertical plate 607 and the vertical rod 603, the vertical rods 603 on the two sides are loosened to reset through the elasticity of a third spring 604 at the moment, the circular pipe 602 and the filter screen 601 are fixed on the curved pipe 504, when the pressure in the tower body 1 is too high, the pressure pushes the ball 503 to move towards the right side in the box body 501 to compress the second spring 502, the gas is discharged through the box body 501 and the curved pipe 504, the filter screen 601 filters the gas to prevent harmful gas in the tower body 1 from polluting the atmosphere, when the air pressure in the tower body 1 is reduced, the ball 503 is reset through the elasticity of the second spring 502 to seal a pressure relief opening of the tower body 1, and the extracted kohlrabi acid is discharged through the outlet pipe 3.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-purity oleic acid is with oleic acid tower, includes tower body (1), its characterized in that: a sealing mechanism (4) is arranged above the tower body (1);

the sealing mechanism (4) comprises an inlet pipe (401), an outer connecting pipe (402), a rubber pad (403), a first rotating clamp (404), a second rotating clamp (405), a screw rod (406), a first spring (407), a threaded pipe (408) and a nut (409);

the bottom end of the inlet pipe (401) is communicated with the middle of the top end of the tower body (1), the upper inner wall of the inlet pipe (401) is attached to the outer wall of the outer connecting pipe (402), the outer walls of the inlet pipe (401) and the outer connecting pipe (402) are attached to the inner wall of a rubber pad (403), the outer wall of the rubber pad (403) is attached to the inner walls of a first rotating clamp (404) and a second rotating clamp (405), the first rotating clamp (404) is movably connected with the second rotating clamp (405), a screw rod (406) is arranged above the first rotating clamp (404) and the second rotating clamp (405), the outer wall of the screw rod (406) sequentially penetrates through the upper inner wall of the second rotating clamp (405), the middle inner wall of the first spring (407) and the upper inner wall of the first rotating clamp (404), the outer wall of the screw rod (406) is in clearance fit with the upper inner wall of the second rotating clamp (405), the middle inner wall of the first spring (407) and the upper inner wall of the first rotating clamp (404), the right side outer wall of lead screw (406) links to each other with the left side inner wall screw thread of screwed pipe (408), the left end of screwed pipe (408) is connected in the top right-hand member of first rotary clamp (404) admittedly, the left side outer wall of lead screw (406) links to each other with the inner wall screw thread of nut (409), the right-hand member of nut (409) and the second rotary clamp (405) the top left end laminating, the top inboard of first rotary clamp (404) and second rotary clamp (405) all laminates with the outside of first spring (407) mutually.

2. The oleic acid column for high-purity oleic acid according to claim 1, characterized in that: the inner diameter of the inlet pipe (401) is 0.1-0.2mm larger than the outer diameter of the outer connecting pipe (402).

3. The oleic acid column for high-purity oleic acid according to claim 1, characterized in that: the equal rigid coupling in bottom four corners of tower body (1) has base (2), the rigid coupling has exit tube (3) in the middle of the bottom of tower body (1), tower body (1) is linked together with exit tube (3).

4. The oleic acid column for high-purity oleic acid according to claim 1, characterized in that: a pressure relief mechanism (5) is arranged on the right side below the tower body (1);

the pressure relief mechanism (5) comprises a box body (501), a second spring (502), a ball body (503) and a curved pipe (504);

the left end rigid coupling of box (501) is at the below right side outer wall of tower body (1), box (501) is linked together with tower body (1), the right side inner wall of box (501) and the right-hand member looks rigid coupling of second spring (502), the left end rigid coupling of second spring (502) has spheroid (503), the outer wall of spheroid (503) and the left side inner wall of box (501) laminate mutually, the left side top rigid coupling of box (501) has bent pipe (504), box (501) is linked together with bent pipe (504).

5. The oleic acid column for high-purity oleic acid according to claim 4, characterized in that: the diameter of the sphere (503) is 3-5 cm.

6. The oleic acid column for high-purity oleic acid according to claim 4, characterized in that: a filtering mechanism (6) is arranged at the right end above the curved pipe (504);

the filtering mechanism (6) comprises a filtering net (601), a round pipe (602), a vertical rod (603), a third spring (604), a clamping groove (605), an inserting rod (606) and a vertical plate (607);

the left end of filter screen (601) is laminated with the top right-hand member of bent pipe (504), the left side right-hand member of filter screen (601) is laminated with the left side inner wall of pipe (602) mutually, pipe (602) is linked together with bent pipe (504), both sides all are equipped with montant (603) about the left end of pipe (602), the top the outer wall of montant (603) runs through the middle inner wall of third spring (604) and the left side top inner wall of pipe (602) in proper order, the outer wall of montant (603) all with the middle inner wall of third spring (604) and the left side top inner wall clearance fit of pipe (602), the top bottom of montant (603) is laminated with the top of third spring (604) mutually, the bottom of third spring (604) is laminated with the left side top outer wall of pipe (602) mutually, the below outer wall of montant (603) is connected with the internal surface of draw-in groove (605) mutually, the top right side inner wall at bent pipe (504) is seted up in draw-in groove (605), the top inner wall of montant (603) and the left side of inserted bar (606) are followed outer wall clearance fit, the right side outer wall of inserted bar (606) and the top inner wall clearance fit of riser (607), the bottom rigid coupling of riser (607) is at the left side top outer wall of pipe (602).

7. The oleic acid column for high-purity oleic acid according to claim 6, characterized in that: the vertical rod (603), the third spring (604), the clamping groove (605), the inserting rod (606) and the vertical plate (607) are symmetrically distributed on the upper side and the lower side with the center line of the filter screen (601) as the center.

8. The oleic acid column for high-purity oleic acid according to claim 6, characterized in that: the thickness of the filter screen (601) is 5-8 cm.