CN114198344B - Compressed air oil pumping assembly for processing high-oil-content grains - Google Patents
Compressed air oil pumping assembly for processing high-oil-content grains Download PDFInfo
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- CN114198344B CN114198344B CN202111506076.8A CN202111506076A CN114198344B CN 114198344 B CN114198344 B CN 114198344B CN 202111506076 A CN202111506076 A CN 202111506076A CN 114198344 B CN114198344 B CN 114198344B
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- oil
- storage tank
- air
- oil storage
- pumping assembly
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
- F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
- F04F1/14—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped adapted to pump specific liquids, e.g. corrosive or hot liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Compressor (AREA)
Abstract
The invention relates to the technical field of grain processing, in particular to a compressed air pumping assembly for processing high-oil-content grains, which comprises an oil storage tank, wherein the oil storage tank is internally provided with the compressed air pumping assembly for eliminating bubbles in oil, the oil storage tank is provided with a driving part for providing power for the compressed air pumping assembly, the oil storage tank is provided with a one-way air inlet valve matched with the compressed air pumping assembly for use, and the inner wall of the oil storage tank is provided with a limit flange matched with the compressed air pumping assembly for use; the air-compressing and oil-pumping assembly comprises an air-compressing component and a pressing component, wherein the air-compressing component is positioned at the upper position inside the oil storage tank, the air-compressing component is positioned below the pressing component, and the air-compressing and oil-pumping assembly further comprises an oil-pumping pipe. The invention achieves the aim of eliminating air pressure in oil, can avoid the phenomenon of air bubble during oil pumping, and simultaneously ensures the stability of oil delivery during oil pumping, thereby improving the quality of vegetable oil in the subsequent filter pressing process and the quality of vegetable oil.
Description
Technical Field
The invention relates to the technical field of grain processing, in particular to a compressed air oil pumping assembly for high-oil-content grain processing.
Background
Vegetable oils, which are compounds obtained by reacting higher fatty acids with glycerol, are widely distributed in nature and are oils obtained from fruits, seeds, and germs of plants, such as peanut oil, soybean oil, linseed oil, castor oil, rapeseed oil, etc. The main component of the vegetable oil is ester formed by straight-chain higher fatty acid and glycerin, and the fatty acid in the vegetable oil can moisten and shiny skin.
In the course of obtaining vegetable oil from high oily cereal, need input buffer tank to squeezing the oil that goes out, later filter in extracting to filter pressing device to this promotes vegetable oil's quality, however when being taken out by the buffer tank, mix a certain amount of air in the in-process of squeezing in the oil, lead to appearing the bubble phenomenon easily in the in-process of pumping oil, air and oil at this moment mix and cause subsequent filter pressing effect to reduce, with this seriously influences oil's quality, the existence of bubble still can lead to the oil transportation to appear intermittent phenomenon simultaneously when pumping oil, make pumping efficiency lower, influence vegetable oil's steady transportation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the compressed air oil pumping assembly for processing the high-oil-content grains, which achieves the aim of pressing and eliminating air in oil, can avoid the phenomenon of air bubbles during oil pumping, and simultaneously ensures the stability of oil delivery during oil pumping, thereby improving the quality of vegetable oil in the subsequent filter pressing process and improving the quality of the vegetable oil.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a high oil-containing cereal processing is used to press gas oil pumping subassembly, includes the oil storage tank, sets up the gas oil pumping subassembly that is arranged in the oil storage tank and is used for eliminating the bubble in the oil, sets up the drive unit that is used for providing power for the gas oil pumping subassembly on the oil storage tank, sets up a one-way admission valve that cooperates with the gas oil pumping subassembly and uses on the oil storage tank, is equipped with a limit flange that cooperates with the gas oil pumping subassembly and uses on the inner wall of oil storage tank;
the air compressing and oil pumping assembly comprises an air compressing component and a pressing component, wherein the air compressing component is positioned at the upper position inside the oil storage tank, the air compressing component is positioned below the pressing component, the air compressing and oil pumping assembly further comprises an oil pumping pipe, the oil pumping pipe is inserted into the oil storage tank, the bottom end of the oil pumping pipe sequentially penetrates through the air compressing component and the pressing component from top to bottom and extends to the lower side of the pressing component, and sealing structures matched with the oil pumping pipe are arranged on the air compressing component and the pressing component.
Further, the limit flange is located above the air compressing component, and the limit flange and the oil storage tank are integrally formed.
Further, the air compressing component and the pressing component are of the same structure, the air compressing component comprises a piston positioned in the oil storage tank, two sealing grooves are formed in the outer wall of the piston, and sealing rings are embedded in the sealing grooves.
Further, the oil pumping pipe comprises a straight pipe part inserted into the oil storage tank, the bottom end of the straight pipe part is provided with an oil collector, the top end of the straight pipe part is provided with a steering pipe, the shape of the oil collector is umbrella-shaped, and a filter screen for filtering oil residues is arranged in the oil collector.
Further, the driving part comprises a fixing frame fixed on the oil storage tank, a cylinder for executing reciprocating motion is fixedly arranged on the fixing frame, a linkage rod is arranged at the free end of the cylinder in a transmission mode, and the bottom end of the linkage rod is in transmission connection with the pressing part.
Further, install auxiliary assembly on the diapire of oil storage tank, auxiliary assembly is including fixing the installation section of thick bamboo on the oil storage tank diapire, swing joint has the stopper in the installation section of thick bamboo, the top fixedly connected with movable rod of stopper, the top of movable rod extends to the top at installation section of thick bamboo top.
Further, the inner sleeve of the mounting cylinder is provided with a reset spring, the reset spring is positioned below the limiting block, the top end of the movable rod is fixedly provided with a reset plate, the top of the reset plate is overlapped with the bottom of the air compressing part, and the top of the mounting cylinder is fixedly provided with an oil seal matched with the movable rod for use.
Further, install the oil delivery pipe on the oil storage tank, be equipped with the stop valve on the oil delivery pipe, the oil delivery pipe is located the below of the part of calming the anger, and the bottom fixed mounting of oil storage tank has the base, and the supporting legs is installed to the bottom of base.
By means of the technical scheme, the invention provides a compressed air oil pumping assembly for processing high-oil-content grains, which has the following beneficial effects:
1. according to the invention, the compressed air oil pumping assembly for eliminating bubbles in oil is additionally arranged in the oil storage tank and is matched with the driving part to provide power for executing reciprocating motion, so that the aim of eliminating air in the oil by pressing is achieved, the phenomenon of bubbles in oil pumping can be avoided, meanwhile, the stability of oil delivery in the oil pumping process is ensured, and the quality of vegetable oil in the subsequent filter pressing process is improved, and the quality of the vegetable oil is improved.
2. According to the invention, the outer side wall of the piston is provided with the two sealing grooves, and the sealing rings are embedded in the sealing grooves, so that when the piston contacts with the inner wall of the oil storage tank and moves, the sealing rings can provide excellent sealing performance, and the piston is in a sealing state, so that the phenomena of air leakage and oil leakage are avoided.
3. Because of the arrangement of the auxiliary component, the pressure is applied when the air compressing component descends repeatedly, oil pumping operation is carried out, after the oil quantity buffered in the oil storage tank is consumed, the reset spring is contracted to provide upward reset acting force, the reset plate is lifted through the movable rod to push the air compressing component to reset, the air compressing component is reset to the initial position, and at the moment, vegetable oil can be buffered again to the oil storage tank through the opening of the oil conveying pipe, so that the purposes of automatically resetting the air compressing component and conveying crude oil are achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic axial perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the oil reservoir according to the present invention;
FIG. 3 is a schematic cross-sectional view of a fuel reservoir of the present invention;
FIG. 4 is a schematic diagram of the structure of the pneumatic oil pumping assembly of the present invention;
FIG. 5 is a schematic view of the structure of the compressor assembly of the present invention;
FIG. 6 is a schematic diagram of the structure of the oil suction pipe of the present invention;
FIG. 7 is a schematic view of the structure of the driving member of the present invention;
fig. 8 is a schematic structural view of an auxiliary assembly of the present invention.
In the figure: 1. a storage tank; 2. a compressed air oil pumping assembly; 21. a gas compressing part; 211. a piston; 212. sealing grooves; 213. a seal ring; 22. a pressing member; 23. an oil pumping pipe; 231. a straight pipe section; 232. an oil collector; 233. a steering tube; 24. a sealing structure; 3. a driving part; 31. a fixing frame; 32. a cylinder; 33. a linkage rod; 4. a one-way air inlet valve; 5. an auxiliary component; 51. a mounting cylinder; 52. a limiting block; 53. a movable rod; 54. a return spring; 55. a reset plate; 56. an oil seal; 6. a limit flange; 7. an oil delivery pipe; 8. and (5) a base.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1-8 illustrate one embodiment of the present invention: the utility model provides a high oil-containing cereal processing usefulness's gas-filled oil pumping subassembly, including oil storage tank 1, set up the gas-filled oil pumping subassembly 2 that is arranged in the oil storage tank 1 and is used for eliminating bubble in the oil, set up the drive unit 3 that is used for providing power for gas-filled oil pumping subassembly 2 on oil storage tank 1, set up one-way admission valve 4 that the cooperation is used for gas-filled oil pumping subassembly 2 on oil storage tank 1, one-way admission valve 4 is located between gas-filled part 21 and pressure part 22, be equipped with a spacing flange 6 that cooperates with gas-filled oil pumping subassembly 2 on the inner wall of oil storage tank 1, install oil delivery pipe 7 on oil delivery pipe 7, be equipped with the stop valve on oil delivery pipe 7 is located the below of gas-filled part 21, the bottom fixed mounting of oil storage tank 1 has base 8, the supporting legs is installed to the bottom of base 8, through set up a gas-filled oil pumping subassembly 2 that is used for eliminating bubble in the oil storage tank 1, and cooperate drive unit 3 to provide the power demand of carrying out reciprocating motion, the purpose of carrying out the pressure elimination to the gas in the oil, can avoid the bubble phenomenon when pumping, guarantee the oil transportation's stability, thereby improve the quality of oil in the oil pumping process and improve the quality of plant oil after-press filtration technology oil;
the air-compressing and oil-pumping assembly 2 comprises an air compressing part 21 and a pressing part 22 which are positioned at the upper position in the oil storage tank 1, the air compressing part 21 is positioned below the pressing part 22, the air compressing and oil-pumping assembly 2 further comprises an oil pumping pipe 23, the oil pumping pipe 23 is inserted into the oil storage tank 1, the bottom end of the oil pumping pipe 23 sequentially penetrates through the air compressing part 21 and the pressing part 22 from top to bottom and extends to the lower position, sealing structures 24 matched with the oil pumping pipe 23 are arranged on the air compressing part 21 and the pressing part 22, a limiting flange 6 is positioned above the air compressing part 21, the limiting flange 6 and the oil storage tank 1 are integrally formed, when the pressing part 22 acts downwards, the air compressing part 22 and the air compressing part 21 are filled with air, the air compressing part 21 acts downwards simultaneously under the acting force of a piston, the air compressing part 21 exerts pressure on the oil below the air compressing part, the air compressing part can improve the atmospheric pressure of the area, so that the air is thoroughly dissolved in the oil, the air is prevented from generating, the oil in the oil storage tank 1 enters the oil pumping pipe 23 under the action of the pressure, the air pumping part is smoothly exerted under the pressure, the air pumping part 23 is restored to the air compressing part 22 and the air compressing part 22 is smoothly acts upwards when the air compressing part 22 is pumped upwards, and the air compressing part 22 is pumped upwards and the air is smoothly is pumped upwards.
The air compressing component 21 and the pressure applying component 22 are of the same structure, the air compressing component 21 comprises a piston 211 positioned in the oil storage tank 1, two sealing grooves 212 are formed in the outer wall of the piston 211, a sealing ring 213 is embedded in the sealing grooves 212, the sealing grooves 212 are formed in the outer side wall of the piston 211, and the sealing ring 213 is embedded in the sealing grooves 212, when the piston 211 contacts with the inner wall of the oil storage tank 1 and moves, the sealing ring 213 can provide excellent sealing performance, so that the piston 211 acts in a sealing state, and the phenomena of air leakage and oil leakage are avoided.
The oil pumping pipe 23 comprises a straight pipe part 231 inserted into the oil storage tank 1, an oil collector 232 is installed at the bottom end of the straight pipe part 231, a steering pipe 233 is installed at the top end of the straight pipe part 231, the oil collector 232 is umbrella-shaped, a filter screen for filtering oil residues is arranged in the oil collector 232, the oil collector 232 is arranged at the bottom of the straight pipe part 231, the filter screen in the oil collector 232 is a turner, and substances such as oil residues in oil can be filtered, so that the oil pumping capacity of the oil pumping pipe 23 to some substances can be improved, the quality of the oil is improved, and the phenomenon of blocking the oil residues is avoided.
The driving part 3 comprises a fixing frame 31 fixed on the oil storage tank 1, a cylinder 32 for executing reciprocating motion is fixedly arranged on the fixing frame 31, a linkage rod 33 is arranged at the free end of the cylinder 32 in a transmission way, the bottom end of the linkage rod 33 is in transmission connection with the pressing part 22, the cylinder 32 executes reciprocating motion in the up-down direction, and the cylinder 32 is directly transmitted to the pressing part 22 through the linkage rod 33, so that the pressure application motion of the air compressing part 21 is completed.
The auxiliary assembly 5 is mounted on the bottom wall of the oil storage tank 1, the auxiliary assembly 5 comprises a mounting cylinder 51 fixed on the bottom wall of the oil storage tank 1, a limiting block 52 is movably connected in the mounting cylinder 51, the top of the limiting block 52 is fixedly connected with a movable rod 53, the top of the movable rod 53 extends to the upper side of the top of the mounting cylinder 51, a reset spring 54 is sleeved in the mounting cylinder 51, the reset spring 54 is positioned below the limiting block 52, a reset plate 55 is fixedly mounted on the top of the movable rod 53, the top of the reset plate 55 is overlapped with the bottom of the air compressing part 21, an oil seal 56 matched with the movable rod 53 is fixedly mounted on the top of the mounting cylinder 51, due to the arrangement of the auxiliary assembly 5, the movable rod 53 is inserted into the mounting cylinder 51, one limiting block 52 is connected at the bottom end of the mounting cylinder, meanwhile, elastic reset force is provided by matching with the reset spring 54, pressure is applied and oil pumping operation is carried out when the air compressing part 21 repeatedly descends, after the oil quantity buffered in the oil storage tank 1 is consumed, the reset spring 54 contracts, upward reset force is provided, and the reset plate 55 pushes the reset plate 21 to push the part 21 to be reset, and the reset plate 55 is enabled to reset the oil storage part 21 to reset the original position and the air compressing part 21 can be reset to the air compressing part 21 to be automatically reset by the air compressing part 1 and the air compressing part 21 to be automatically reset by the air storage tank and the purpose is automatically opened.
When the embodiment works, the pneumatic oil pumping assembly 2 for eliminating bubbles in oil is additionally arranged in the oil storage tank 1, and is matched with the driving part 3 to provide power for executing reciprocating motion, the pressing part 22 realizes reciprocating motion in the up-down direction under the action of the driving part 3, when the pressing part 22 acts downwards, air is filled between the pressing part 22 and the pneumatic part 21, at the moment, the pneumatic part 21 acts downwards simultaneously under the action of the piston, the pneumatic part 21 applies pressure to oil below the pressing part, the process can increase the atmospheric pressure in the area, so that the air is thoroughly dissolved in the oil, the generation of bubbles is avoided, at the moment, the oil in the oil storage tank 1 is flushed into the oil pumping pipe 23 under the action of the pressure, the air in the oil is eliminated under the action of the pressure, the oil is pumped outwards through the oil pumping pipe 23, when the pressing part 22 acts upwards, the unidirectional air inlet valve 4 is smoothly reset under the pumping of the upward action of the pressing part 22, the pneumatic part 21 is limited under the blocking of the limiting flange 6, the upward movement distance is prevented from exceeding the limiting value, and then the fixed value is prepared for being applied under the action of the driving part under the limiting part.
According to the invention, the compressed air oil pumping assembly for eliminating bubbles in oil is additionally arranged in the oil storage tank and is matched with the driving part to provide power for executing reciprocating motion, so that the aim of eliminating air in the oil by pressing is achieved, the phenomenon of bubbles in oil pumping can be avoided, meanwhile, the stability of oil delivery in the oil pumping process is ensured, and the quality of vegetable oil in the subsequent filter pressing process is improved, and the quality of the vegetable oil is improved.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a high oil-containing cereal processing usefulness's gas oil pumping subassembly that presses, includes oil storage tank (1), its characterized in that: the oil storage tank (1) is internally provided with a compressed air oil pumping assembly (2) for eliminating bubbles in oil, the oil storage tank (1) is provided with a driving component (3) for providing power for the compressed air oil pumping assembly (2), the oil storage tank (1) is provided with a one-way air inlet valve (4) matched with the compressed air oil pumping assembly (2), the inner wall of the oil storage tank (1) is provided with a limit flange (6) matched with the compressed air oil pumping assembly (2), the limit flange (6) is positioned above the compressed air component (21), and the limit flange (6) and the oil storage tank (1) are integrally formed;
the air-compressing and oil-pumping assembly (2) comprises an air-compressing part (21) and a pressing part (22) which are positioned at the upper position inside the oil storage tank (1), the air-compressing part (21) is positioned below the pressing part (22), the air-compressing and oil-pumping assembly (2) further comprises an oil pumping pipe (23), the oil pumping pipe (23) is inserted into the oil storage tank (1), the bottom end of the oil pumping pipe (23) sequentially penetrates through the air-compressing part (21) and the pressing part (22) from top to bottom and extends to the lower part of the air-compressing part, and sealing structures (24) matched with the oil pumping pipe (23) are arranged on the air-compressing part (21) and the pressing part (22);
an auxiliary assembly (5) is mounted on the bottom wall of the oil storage tank (1), the auxiliary assembly (5) comprises a mounting cylinder (51) fixed on the bottom wall of the oil storage tank (1), a limiting block (52) is movably connected in the mounting cylinder (51), a movable rod (53) is fixedly connected to the top of the limiting block (52), and the top of the movable rod (53) extends to the position above the top of the mounting cylinder (51);
the inner sleeve of the installation cylinder (51) is provided with a reset spring (54), the reset spring (54) is positioned below the limiting block (52), the top end of the movable rod (53) is fixedly provided with a reset plate (55), the top of the reset plate (55) is overlapped with the bottom of the air compressing part (21), and the top of the installation cylinder (51) is fixedly provided with an oil seal (56) matched with the movable rod (53).
2. The high oil grain processing pneumatic oil pumping assembly of claim 1, wherein: the air compressing component (21) and the pressing component (22) are of the same structure, the air compressing component (21) comprises a piston (211) located in the oil storage tank (1), two sealing grooves (212) are formed in the outer wall of the piston (211), and sealing rings (213) are embedded in the sealing grooves (212).
3. The high oil grain processing pneumatic oil pumping assembly of claim 1, wherein: the oil suction pipe (23) comprises a straight pipe part (231) inserted into the oil storage tank (1), an oil collector (232) is arranged at the bottom end of the straight pipe part (231), a steering pipe (233) is arranged at the top end of the straight pipe part (231), the shape of the oil collector (232) is umbrella-shaped, and a filter screen for filtering oil residues is arranged in the oil collector (232).
4. The high oil grain processing pneumatic oil pumping assembly of claim 1, wherein: the driving part (3) comprises a fixing frame (31) fixed on the oil storage tank (1), a cylinder (32) for executing reciprocating motion is fixedly arranged on the fixing frame (31), a linkage rod (33) is arranged at the free end of the cylinder (32) in a transmission mode, and the bottom end of the linkage rod (33) is in transmission connection with the pressing part (22).
5. The high oil grain processing pneumatic oil pumping assembly of claim 1, wherein: install defeated oil pipe (7) on oil storage tank (1), be equipped with the stop valve on defeated oil pipe (7), defeated oil pipe (7) are located the below of compressed air part (21), and the bottom fixed mounting of oil storage tank (1) has base (8), and the supporting legs is installed to the bottom of base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506076.8A CN114198344B (en) | 2021-12-10 | 2021-12-10 | Compressed air oil pumping assembly for processing high-oil-content grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506076.8A CN114198344B (en) | 2021-12-10 | 2021-12-10 | Compressed air oil pumping assembly for processing high-oil-content grains |
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| Publication Number | Publication Date |
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| CN114198344A CN114198344A (en) | 2022-03-18 |
| CN114198344B true CN114198344B (en) | 2023-07-25 |
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| CN202111506076.8A Active CN114198344B (en) | 2021-12-10 | 2021-12-10 | Compressed air oil pumping assembly for processing high-oil-content grains |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200946094Y (en) * | 2006-08-25 | 2007-09-12 | 马互贵 | Pneumatic oil pumping device |
| CN201539452U (en) * | 2009-11-06 | 2010-08-04 | 郑州华威齿轮有限公司 | Automatic oil extracting device |
| TW201242818A (en) * | 2011-04-27 | 2012-11-01 | jia-qiong Zhuang | Gas flow passage structure manual pump for fluid drawing device |
| CN206221191U (en) * | 2016-11-24 | 2017-06-06 | 东莞市源岭硅胶科技有限公司 | Silica gel materials extracting device |
| CN211176269U (en) * | 2019-12-16 | 2020-08-04 | 常州欣灏电子商务有限公司 | Lubricating oil access arrangement |
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| CN114198344A (en) | 2022-03-18 |
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