CN113187699A - Hydrogen circulating pump air inlet structure with drainage function - Google Patents
Hydrogen circulating pump air inlet structure with drainage function Download PDFInfo
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- CN113187699A CN113187699A CN202110647945.2A CN202110647945A CN113187699A CN 113187699 A CN113187699 A CN 113187699A CN 202110647945 A CN202110647945 A CN 202110647945A CN 113187699 A CN113187699 A CN 113187699A
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- pump head
- pump
- air inlet
- air
- air outlet
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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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
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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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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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
- F04B39/14—Provisions for readily assembling or disassembling
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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
- F04B39/16—Filtration; Moisture separation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a hydrogen circulating pump air inlet structure with a water drainage function, which comprises a pump head, an air inlet and an air outlet, wherein the air inlet and the air outlet are arranged on the pump head; a groove is formed in one side, close to the end face of the pump head, of the interior of the pump head, an open spiral air passage is arranged in the groove, and two ends of the spiral air passage are respectively connected with the air inlet and the air outlet; this hydrogen circulating pump simple structure sets up rationally, will the air inlet sets up in the middle part position, not only can admit air, can also discharge when the non-admits air when the pump head is washed down and is placed the water of the inside accumulation of pump head can effectively avoid the problem of hydrogen pump ponding.
Description
Technical Field
The invention relates to the technical field of hydrogen circulating pumps, in particular to a hydrogen circulating pump air inlet structure with a water drainage function.
Background
The fuel cell generates electric energy through electrochemical reaction between combustible substances (hydrogen) and oxygen in air, wherein after the fuel cell reaction, discharged gas contains a large amount of hydrogen, and if the hydrogen is directly discharged into the atmosphere, the hydrogen is on one hand wasted energy, on the other hand pollutes the environment, and on the other hand, the hydrogen is flammable and combustible, so that danger is generated. Therefore, it is necessary to recover and reuse such hydrogen. At present, these hydrogen-containing mixed gases are generally recycled to the fuel cell by a hydrogen circulation pump for recycling.
In the conventional hydrogen circulation pump, the supercharger housing is of a split assembly type structure, and includes a compression chamber housing (pump body), an air inlet end cover, and an exhaust chamber housing (pump head) connected by bolts. For example, in the Chinese utility model patent (publication number: CN210371178U), in 2020, a gas inlet and outlet structure of a Roots-type hydrogen circulation pump is disclosed, a pump body is provided with a gas outlet communicated with a rotor cavity, a driving rotor and a driven rotor form a gas outlet cavity with the inner wall of the pump body near the gas outlet, the gas outlet cavity comprises an axial gas outlet part and a radial gas outlet part, the radial gas outlet part is correspondingly communicated with the gas outlet of the pump body, and the gas inlet of the hydrogen circulation pump is arranged along the axial gas inlet end of the rotor and is near the side edge position.
In current hydrogen circulation pump designs, the inlet is typically designed near the side. When the hydrogen circulating pump head is placed down, the accumulated water in the cavity at the front end of the shell can cause overlarge load of the pump, and the shutdown is caused.
Disclosure of Invention
The invention aims to provide an air inlet structure of a hydrogen circulating pump with a water drainage function, aiming at the problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the air inlet structure of the hydrogen circulating pump with the water drainage function comprises a pump head, an air inlet and an air outlet, wherein the air inlet and the air outlet are arranged on the pump head; the pump head is internally provided with a groove for collecting accumulated water above the spiral air passage, and when the pump head is placed downwards, the accumulated water generated in the hydrogen circulating pump is collected in the spiral air passage and discharged from the air inlet.
This hydrogen circulating pump simple structure sets up rationally, will the air inlet sets up the middle part position at the pump head, not only can admit air, can also discharge when the non-admits air when the pump head dashes down to place the problem of hydrogen pump ponding can effectively be avoided to the water of the inside accumulation of pump head.
The spiral air passage is arranged, the effective space inside the pump head is reasonably utilized, the pump head can be used as a passage through which air flow passes and a drainage passage, water accumulated in the groove inside the pump head can automatically flow into the spiral air passage and then flow to the air inlet and is discharged, and the structure is utilized skillfully to drain water.
The open spiral air passage is communicated with the groove, so that water can flow into the spiral air passage, and drainage is facilitated.
The terminal surface of pump head with the lateral wall of pump head is complete structure except that setting up the business turn over gas port, and the outward appearance is regular pleasing to the eye, easily setting up and laying of pump head.
Further, the air inlet comprises an air inlet outer pipe and an air inlet inner pipe which are integrated, and the air inlet inner pipe extends into the pump head and is communicated with the middle part of the spiral air passage; the outer diameter of the air inlet outer pipe is larger than that of the air inlet inner pipe, and at least one circle of boss is arranged at the end part of the air inlet outer pipe.
Further, the gas outlet includes integrative outer tube and the inner tube of giving vent to anger, the inner tube of giving vent to anger also stretches into in the pump head with the spiral air flue intercommunication, the external diameter of the outer tube of giving vent to anger also is greater than the external diameter of the inner tube of giving vent to anger, just the tip of the outer tube of giving vent to anger also is equipped with the boss.
The air inlet with the gas outlet all includes interior outer pipeline, its purpose be convenient for inside and outside the connection, especially be convenient for with the smooth transition of spiral air flue is connected, makes spiral air flue only need be set up the recess position. The outer diameter of the outer pipe is slightly larger, so that the strength of the joint can be ensured.
Preferably, a larger chamfer is arranged at the joint of the spiral air passage and the air inlet inner pipe to form a downward groove, so that the opening area of the inner part is increased, air inlet is facilitated, accumulated water in the inner part flows along the air inlet, and drainage is facilitated.
Further, the air inlet sets up the well center of pump head terminal surface, the setting of gas outlet slope is in the pump head lateral wall is close to adjacent lateral wall intersection.
The water flow collecting and discharging device is arranged in the middle of the pump head, so that the water flow in the whole pump head can be collected and discharged conveniently, and the accumulation of water at the periphery and corners is reduced.
Further, the pump head is the rectangle structure, has four pump head lateral walls, and is adjacent the circular arc transition sets up between the pump head lateral wall.
Furthermore, the spiral air passage is an open type half-section spiral, and the half section of the spiral air passage is flush with the groove bottom of the groove and is arranged in a smooth transition mode.
That is, the spiral air passage is provided at the bottom of the groove below the groove, so that water is easily discharged downward.
Further, the recess is cylindrical recess, the bottom of recess all rounds all around the fillet setting, avoids ponding all around, also can avoid setting up the right angle, is favorable to structural stability's improvement.
Further, the pump head is kept away from the one side of air inlet still is connected with the pump body, the pump body has cylindricality body and rectangle link, rectangle link butt the pump head and with the pump head spiro union is fixed, the periphery of pump head still is equipped with a plurality of grooves of stepping down that are used for the spiro union.
Compared with the prior art, the invention has the beneficial effects that: 1. the hydrogen circulating pump is simple in structure and reasonable in arrangement, the air inlet is arranged at the middle position, air can be fed, water accumulated in the pump head can be discharged when the pump head is not fed with air when the pump head is placed under the water, and the problem of water accumulation of the hydrogen pump can be effectively avoided;
2. the spiral air passage is arranged, so that the effective space in the pump head is reasonably utilized, the spiral air passage can be used as an air flow passage and a drainage passage, water accumulated in the groove in the pump head can automatically flow into the spiral air passage and then flow to the air inlet and is discharged, and the structure is skillfully utilized for drainage;
3. the open spiral air passage is communicated with the groove, so that water can flow into the spiral air passage to facilitate drainage;
4. the terminal surface of pump head with the lateral wall of pump head is complete structure except that setting up the business turn over gas port, and the outward appearance is regular pleasing to the eye, easily setting up and laying of pump head.
Drawings
FIG. 1 is a schematic view of the overall structure of the air inlet structure of a hydrogen circulation pump with a water discharge function according to the present invention;
FIG. 2 is a schematic view of the internal structure of the air intake structure of the hydrogen circulation pump with water discharge function according to the present invention;
FIG. 3 is a perspective view of the pump head of the present invention;
FIG. 4 is a schematic diagram of the spiral air passage of the pump head of the present invention;
in the figure: 1. a pump head; 2. an air inlet; 201. an air intake outer tube; 202. an air inlet inner pipe; 3. an air outlet; 301. an air outlet outer pipe; 302. an air outlet inner pipe; 4. a groove; 5. a helical air passage; 6. a pump body; 601. a cylindrical body; 602. a rectangular connecting end; 7. and (4) a boss.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
as shown in fig. 1 to 4, an air inlet structure of a hydrogen circulation pump with a water discharge function includes a pump head 1, and an air inlet 2 and an air outlet 3 which are arranged on the pump head 1, wherein the air outlet 3 is arranged on a side surface of the pump head 1, the air inlet 2 is arranged in the middle of an end surface of the pump head 1, a spiral air passage 5 which connects the air inlet 2 and the air outlet 3 is further arranged in the pump head 1, a starting point of the middle of an inner ring of the spiral air passage 5 is communicated with the air inlet 2, and an end point of the outer ring of the spiral air passage 5 is communicated with the air outlet 3; the pump head 1 is internally provided with a groove 4 for collecting accumulated water above the spiral air passage 5, and when the pump head 1 is placed downwards, the accumulated water generated in the hydrogen circulating pump is collected in the spiral air passage 5 and discharged from the air inlet 2.
This hydrogen circulating pump simple structure sets up rationally, will air inlet 2 sets up in the middle part position, not only can admit air, can also discharge when the non-admits air when pump head 1 dashes down to place the problem of hydrogen pump ponding can effectively be avoided to the water of the inside accumulation of pump head 1.
The spiral air passage 5 is arranged, the effective space inside the pump head 1 is reasonably utilized, the pump head can be used as a passage through which air flow passes and a drainage passage, water accumulated in the groove inside the pump head can automatically flow into the spiral air passage 5 and then flow to the air inlet 2 and is discharged, and the structure is skillfully utilized for drainage.
The spiral air channel 5 is opened to be communicated with the groove 4, so that water can flow into the spiral air channel 5, and drainage is facilitated.
The pump head terminal surface with the pump head lateral wall is complete structure except that setting up the business turn over gas port, and the outward appearance is regular pleasing to the eye, easily setting up and laying of pump head.
Further, the air inlet 2 comprises an air inlet outer pipe 201 and an air inlet inner pipe 202, and the air inlet inner pipe 202 extends into the pump head 1 and is communicated with the spiral air passage 5; the air outlet 3 comprises an air outlet outer pipe 301 and an air outlet inner pipe 302, and the air outlet inner pipe 302 also extends into the pump head 1 and is communicated with the spiral air passage 5; the air inlet inner pipe 202 is connected with the end part of the inner ring of the spiral air passage 5, and the air outlet inner pipe 302 is connected with the end part of the outer ring of the spiral air passage 5.
The air inlet 2 with the gas outlet 3 all includes interior outer pipeline, its purpose be convenient for inside and outside the connection, especially be convenient for with the smooth transitional coupling of spiral air flue 5 makes spiral air flue only is with setting up the recess position.
Preferably, a larger chamfer is arranged at the joint of the spiral air passage 5 and the air inlet inner pipe 202 to form a downward groove, so that the opening area of the interior is increased, air inlet is facilitated, accumulated water in the interior flows along the air inlet, and drainage is facilitated.
Further, the outer diameter of the outer air inlet pipe 201 is larger than the outer diameter of the inner air inlet pipe 202, the outer diameter of the outer air outlet pipe 301 is also larger than the outer diameter of the inner air outlet pipe 302, and the end pipes of the outer air inlet pipe 201 and the outer air outlet pipe 301 are respectively provided with an integrated boss 7. The boss 7 is arranged to facilitate connection with an external air inlet and outlet pipeline.
Further, the air inlet 2 is arranged in the middle of the end face of the pump head, and the air outlet 3 is arranged at the intersection of the side walls of the pump head, which are close to the adjacent side walls.
The water flow collecting and discharging device is arranged in the middle of the pump head 1, so that the water flow in the whole pump head can be collected and discharged conveniently, and the water accumulation at the periphery and corners can be reduced.
Further, pump head 1 is the rectangle structure, has four the pump head lateral wall, adjacent the circular arc transition sets up between the pump head lateral wall.
Furthermore, the spiral air passage 5 is a half-section spiral, the diameter section of the spiral air passage is only half, and the section of the spiral air passage 5 is flush with the groove bottom of the groove 4 and is arranged in a smooth transition mode.
That is, the spiral air passage 5 is provided at the bottom of the groove 4 below the groove 4, so that water is easily discharged downward.
Further, recess 4 is cylindrical recess, the bottom of recess 4 is all round angle settings all around, avoids ponding all around, also can avoid setting up the right angle, is favorable to structural stability's improvement.
Further, the pump head 1 is kept away from the one side of air inlet 2 still is connected with the pump body 6, the pump body 6 has cylinder body 601 and rectangle link 602, rectangle link 602 butt the pump head 1 and with the pump head 1 spiro union is fixed.
Example two:
the embodiment provides a water drainage method of a hydrogen circulating pump air inlet structure.
Through setting up spiral air flue in the pump head of hydrogen circulating pump to with the air inlet setting on the pump head in positive pump head middle part position, when installing the use with the pump head of hydrogen circulating pump down, the middle part of spiral air flue is the inside minimum of whole pump, and the ponding that the pump produced under the non-air inlet state can be followed the air inlet is discharged, makes things convenient for the discharge of ponding very much, need not frequently dismantle the pump body.
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 (8)
1. The air inlet structure of the hydrogen circulating pump with the water drainage function comprises a pump head, an air inlet and an air outlet, wherein the air inlet and the air outlet are arranged on the pump head; the pump head is internally provided with a groove for collecting accumulated water above the spiral air passage, and when the pump head is placed downwards, the accumulated water generated in the hydrogen circulating pump is collected in the spiral air passage and discharged from the air inlet.
2. The intake structure of a hydrogen circulation pump with a water discharge function according to claim 1, wherein the intake port comprises an integrated intake outer pipe and an intake inner pipe, and the intake inner pipe extends into the pump head and is communicated with the middle part of the spiral air passage; the outer diameter of the air inlet outer pipe is larger than that of the air inlet inner pipe, and at least one circle of boss is arranged at the end part of the air inlet outer pipe.
3. The intake structure of a hydrogen circulation pump with a water discharge function according to claim 1, wherein the air outlet comprises an integrated air outlet outer tube and an air outlet inner tube, the air outlet inner tube also extends into the pump head and is communicated with the spiral air passage, the outer diameter of the air outlet outer tube is also larger than that of the air outlet inner tube, and a boss is also arranged at the end of the air outlet outer tube.
4. The intake structure of a hydrogen circulation pump with a water discharge function according to claim 1, wherein the air inlet is arranged at the center of the end face of the pump head, and the air outlet is obliquely arranged at the intersection of the side walls of the pump head near the adjacent side walls.
5. The intake structure of a hydrogen circulation pump with a water discharge function according to claim 1, wherein the pump head is of a rectangular structure having four pump head side walls, and the adjacent pump head side walls are arranged in a circular arc transition manner.
6. The intake structure of a hydrogen circulation pump with a water discharge function according to claim 1, wherein the spiral gas passage is an open half-section spiral, and the half section of the spiral gas passage is flush with and smoothly transited to the bottom of the groove.
7. The intake structure of a hydrogen circulation pump with a water discharge function according to claim 1, wherein the groove is a cylindrical groove, and the bottom of the groove is rounded all around.
8. The hydrogen circulating pump air intake structure with drainage function of claim 1, characterized in that, the one side that the air inlet was kept away from to the pump head still is connected with the pump body, the pump body has cylindricality body and rectangle link, rectangle link butt the pump head and with the pump head spiro union is fixed, the periphery of pump head still is equipped with a plurality of grooves of stepping down that are used for the spiro union.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647945.2A CN113187699B (en) | 2021-06-10 | 2021-06-10 | Hydrogen circulating pump air inlet structure with drainage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110647945.2A CN113187699B (en) | 2021-06-10 | 2021-06-10 | Hydrogen circulating pump air inlet structure with drainage function |
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| Publication Number | Publication Date |
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| CN113187699A true CN113187699A (en) | 2021-07-30 |
| CN113187699B CN113187699B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110647945.2A Active CN113187699B (en) | 2021-06-10 | 2021-06-10 | Hydrogen circulating pump air inlet structure with drainage function |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1286603A (en) * | 1957-06-21 | 1962-03-09 | Improvements to dust removal, washing or gas cleaning installations and devices | |
| US3768658A (en) * | 1970-05-21 | 1973-10-30 | J Palma | Separator |
| DE102004039182A1 (en) * | 2004-08-12 | 2006-02-23 | Hilarius Drzisga | Particulate pollutant removal from effluent gases comprises feeding them through reducing taper, spiral duct formed with vortex pockets, to tangential inlet of cyclone separator |
| CN105664535A (en) * | 2016-03-07 | 2016-06-15 | 沈阳化工大学 | Spiral coil plate hydrocyclone separation device |
| CN206035772U (en) * | 2016-09-26 | 2017-03-22 | 东旭科技集团有限公司 | Water separator and vacuum system |
| CN110905807A (en) * | 2019-11-30 | 2020-03-24 | 湖南海博瑞德电智控制技术有限公司 | Hydrogen circulation compression pump |
-
2021
- 2021-06-10 CN CN202110647945.2A patent/CN113187699B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1286603A (en) * | 1957-06-21 | 1962-03-09 | Improvements to dust removal, washing or gas cleaning installations and devices | |
| US3768658A (en) * | 1970-05-21 | 1973-10-30 | J Palma | Separator |
| DE102004039182A1 (en) * | 2004-08-12 | 2006-02-23 | Hilarius Drzisga | Particulate pollutant removal from effluent gases comprises feeding them through reducing taper, spiral duct formed with vortex pockets, to tangential inlet of cyclone separator |
| CN105664535A (en) * | 2016-03-07 | 2016-06-15 | 沈阳化工大学 | Spiral coil plate hydrocyclone separation device |
| CN206035772U (en) * | 2016-09-26 | 2017-03-22 | 东旭科技集团有限公司 | Water separator and vacuum system |
| CN110905807A (en) * | 2019-11-30 | 2020-03-24 | 湖南海博瑞德电智控制技术有限公司 | Hydrogen circulation compression pump |
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| CN113187699B (en) | 2023-04-18 |
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Effective date of registration: 20220208 Address after: 214100 Shuian Yayuan, Huishan District, Wuxi City, Jiangsu Province Applicant after: Chen Bo Address before: 215699 Huijin SOHO, 262 Changjing Road, Zhangjiagang, Suzhou, Jiangsu Applicant before: Han Song |
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