CN116928136A - Gas-water separation device applied to hydrogen circulating pump - Google Patents
Gas-water separation device applied to hydrogen circulating pump Download PDFInfo
- Publication number
- CN116928136A CN116928136A CN202310887722.2A CN202310887722A CN116928136A CN 116928136 A CN116928136 A CN 116928136A CN 202310887722 A CN202310887722 A CN 202310887722A CN 116928136 A CN116928136 A CN 116928136A
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- Prior art keywords
- water
- gas
- pipeline
- shell
- water storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 185
- 238000000926 separation method Methods 0.000 title claims abstract description 38
- 239000001257 hydrogen Substances 0.000 title claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel Cell (AREA)
Abstract
The invention provides a gas-water separation device applied to a hydrogen circulating pump, which comprises an integrated shell integrated on a gas pipeline, a hub arranged in the integrated shell, a plurality of groups of spiral gradually-widened blades and a water drain valve. The integrated shell comprises a pipeline shell with the diameter larger than that of the gas pipeline and a water storage cavity shell communicated with the bottom of the pipeline shell and lower than the horizontal position of the gas pipeline. The hub is on the same axis as the gas conduit. The spiral gradually-widened blades are fixed on the hub, the maximum radius of each blade is not smaller than the radius of the gas pipeline, and a plurality of radial water diversion grooves used for guiding liquid to the inner wall of the pipeline shell and the water storage cavity shell are formed in the pressure surface of each blade. The water drain valve is arranged at the bottom of the water storage cavity shell and is used for discharging liquid flowing into the water storage cavity shell. The invention improves the efficiency of gas-water separation in the hydrogen circulation system by the water diversion grooves on the pressure surfaces of the blades, and simultaneously drains water according to the water level height of the water storage tank, thereby reducing energy loss.
Description
Technical Field
The invention relates to the technical field of fluid machinery, in particular to a gas-water separation device applied to a hydrogen circulating pump.
Background
The hydrogen fuel cell is a novel energy technology with high efficiency, no noise and no pollution, has great superiority and application value, and is widely applied to the fields of aerospace, new energy traffic, cogeneration, power stations and the like. The fuel cell stack generates water in the reaction process and is carried out by hydrogen which is not completely reacted, so that the water vapor content of the hydrogen discharged from the stack is high and the humidity is high. However, too high a water content in the hydrogen entering the stack can cause flooding, which hinders the diffusion of the gas in the porous medium, resulting in a reduction in the output voltage of the stack and even damage to the stack components. Therefore, the water vapor needs to be separated by a gas-water separator before the hydrogen in the secondary circulation enters the hydrogen circulation pump for circulation.
According to the search, in related patents of the gas-water separation device disclosed in the prior art, for example, chinese patent (CN 217312376U) discloses a gas-water separator for a hydrogen system, which has an excessively complex internal structure, long flow path, large flow resistance and high along-path loss when water-containing hydrogen passes through, and causes obvious outlet pressure drop, thereby increasing the power consumption of a hydrogen circulating pump. Chinese patent (CN 114899451 a) discloses a cyclone water separator and ejector integrated hydrogen circulation system, whose structure satisfies the requirement of low flow resistance, but has larger volume and lower gas-water separation efficiency compared with the ejector. Chinese patent (CN 216818396U) discloses a secondary filtering device for an air inlet of a hydrogen circulating pump, which combines a baffle plate type and a cyclone type gas-water separator, wherein the gas-water separator and the gas-water separator are all separately arranged, and are communicated through pipelines, the pipeline transmission distance is relatively far, unnecessary energy loss can be generated in the transmission process, and the pipeline connection is complex in part of application scenes, the installation efficiency is low, the volume is large, and the compact and lightweight development requirement of a hydrogen fuel cell system cannot be met.
Disclosure of Invention
Aiming at the problems of complex structure, larger power consumption and lower separation efficiency of the existing gas-water separation device, the invention provides the gas-water separation device applied to the hydrogen circulating pump, which is integrated in an inlet pipeline of the hydrogen circulating pump, and improves the wall structures of the blades and the pipeline shell to effectively improve the gas-water separation efficiency in the hydrogen circulating system while reducing the volume of the gas-water separation device. The invention can change the pressure in the bypass pipeline according to the water level height of the water storage tank, thereby realizing the opening and closing of the first water outlet and greatly reducing the energy loss.
The present invention achieves the above technical object by the following means.
The gas-water separation device for the hydrogen circulating pump is characterized by comprising an integrated shell integrated on a gas pipeline, a hub arranged in the integrated shell, a plurality of groups of spiral gradually-widened blades and a water drain valve; the integrated shell comprises a pipeline shell with the diameter larger than that of the gas pipeline and a water storage cavity shell communicated with the bottom of the pipeline shell and lower than the horizontal position of the gas pipeline; the hub and the gas pipeline are on the same axis; the spiral gradually-widened blades are fixed on the hub, the maximum radius of each spiral gradually-widened blade is not smaller than the radius of the gas pipeline, and the pressure surface of each spiral gradually-widened blade is provided with a plurality of radial water diversion grooves for guiding liquid to the inner wall of the pipeline shell and the water storage cavity shell; the water drain valve is arranged at the bottom of the water storage cavity shell and is used for discharging liquid flowing into the water storage cavity shell.
Further, a plurality of diversion trenches used for guiding the liquid splashed on the inner wall into the water storage cavity shell below are formed in the inner wall of the pipeline shell.
Further, the width of the diversion trench is 5-15 mm, and the depth is 3-6 mm.
Further, the hub is a conical hub, and the section diameter of the hub gradually increases along the air inlet direction.
Further, two adjacent water diversion grooves on the pressure surface of the spiral gradually-widened blade are separated by an included angle of 30-60 degrees, the width of each water diversion groove is 1-5 mm, and the depth is 0.8-2 mm.
Further, the water drain valve comprises a first water outlet arranged at the bottom of the water storage cavity shell, a water outlet pipeline communicated with the first water outlet, a second water outlet arranged at one side of the water storage cavity shell, a bypass pipeline communicated with the second water outlet and the water outlet pipeline, a spherical plug for blocking the first water outlet, and a hollow supporting component, wherein one end of the hollow supporting component is fixed on the spherical plug, and the other end of the hollow supporting component is inserted into the bypass pipeline; the supporting part is locked in the bypass pipeline through a compression spring; the compression spring is in a compressed state in an initial state; a gap is reserved between the supporting part and the inner walls of the bypass pipelines at the two sides; and a through hole for communicating a water outlet pipeline is respectively formed in one side of the supporting component and the inner wall of the bypass pipeline close to the one side.
Further, a supporting block is arranged in the water outlet pipeline, a spherical pit for accommodating the spherical plug is formed in the supporting block, a diversion hole is formed in the bottom of the pit, and liquid in the water storage cavity shell can only flow out through the diversion hole.
Further, the depth of the second water outlet in the water storage cavity shell is 1/3 of the total depth of the water storage cavity shell.
Further, the total depth of the water storage cavity shell is 30-60 mm.
Further, a fixing piece is arranged in the gas pipeline and close to two ports of the pipeline shell, and the hub is fixed on the two fixing pieces through a bearing.
The beneficial effects of the invention are as follows:
1. the maximum radius of the spiral gradually-widened blades is not smaller than the radius of the air inlet pipeline and the radius of the air outlet pipeline, so that the water-containing air flow can be guaranteed to fully impact the blades and drive the impellers to rotate, and the air flow can be prevented from directly penetrating the pipeline shell to enter the air outlet pipeline. Meanwhile, the diversion grooves are formed in the pressure surfaces of the spiral gradually-widened blades, the diversion grooves are formed in the inner wall of the pipeline shell, the liquid drop film on the surfaces of the blades is guaranteed to splash along the radial direction under the action of centrifugal force, the liquid drop film is prevented from flowing to the outlet along the surfaces of the blades to enter the air outlet pipeline, the gas-water separation efficiency in the hydrogen circulation system is effectively improved, the problem of flooding caused by excessive water entering the galvanic pile is solved, and icing and blocking in the hydrogen circulation pump under the low-temperature environment are avoided.
2. The gas-water separation device is integrated in the inlet pipeline of the hydrogen circulating pump, so that the device is small in size, small in occupied space, high in installation efficiency and capable of being installed and used in some areas with small space, and the compact and lightweight development requirement of a hydrogen fuel cell system is met. The gas-water separation device has simple internal structure and short gas transmission distance, reduces energy loss in the transmission process and reduces gas pressure drop.
3. The invention integrates the advantages of the baffle plate type gas-water separation device and the cyclone type gas-water separation device, thereby not only reflecting the high efficiency of the impact baffle plate separation process, but also reflecting the low flow resistance characteristic of the cyclone separation process. The invention can change the pressure in the bypass pipeline according to the water level height of the water storage tank, thereby realizing the opening and closing of the first water outlet, avoiding the existence of an electric driving element and avoiding high power consumption.
Drawings
FIG. 1 is a front cross-sectional view of a gas-water separation device according to the present invention;
FIG. 2 is a side elevational view of the gas-water separation device of the present invention;
FIG. 3 is a schematic view of a water storage chamber housing of the gas-water separation device of the present invention when the first water outlet is closed;
FIG. 4 is a schematic view of a water storage cavity shell of the gas-water separation device when the first water outlet is opened;
wherein; 1. a gas conduit; 2. a conduit housing; 3. a water storage chamber housing; 4. a diversion trench; 5. a hub; 6. spiral gradually widened blades; 7. a bearing; 8. a water outlet pipe; 9. a bypass conduit; 10. a water diversion trench; 11. a spherical plug; 12. a compression spring; 13. a through hole; 14. a first drain port; 15. a second drain port; 16. and a support member.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments, but the scope of the invention is not limited thereto.
The gas-water separation device applied to the hydrogen circulating pump comprises an integrated shell integrated on a gas pipeline 1, a conical hub 5 arranged in the integrated shell, three-blade spiral gradually-widened blades 6 and a water drain valve.
The integrated shell comprises a pipeline shell 2 with the diameter larger than that of the gas pipeline 1 and a water storage cavity shell 3 communicated with the bottom of the pipeline shell 2 and lower than the horizontal position of the gas pipeline 1. The conical hub 5 is fixed on the fixing pieces in the gas pipeline 1, which are close to the two ends of the pipeline shell 2, through the bearings 7, and the conical hub 5 and the gas pipeline 1 are on the same axis, and the section diameter of the conical hub 5 is gradually increased along the gas inlet direction. The three-blade spiral gradually-widening blades 6 are fixed on the hub 5, the maximum radius of the three-blade spiral gradually-widening blades 6 is consistent with the radius of the gas pipeline 1, the air flow is ensured to fully impact the three-blade spiral gradually-widening blades 6, and the three-blade spiral gradually-widening blades 6 are driven to rotate. The pressure surface of the spiral gradually-widened blade 6 is provided with a water diversion groove 10 with the width of 2mm and the depth of 1mm at intervals of 45-degree included angles, and the water diversion groove is responsible for guiding liquid into the inner wall of the pipeline shell 2 and the water storage cavity shell 3, so that the outflow of the gas pipeline 1 along the surface of the three-blade spiral gradually-widened blade 6 is avoided. The water drain valve is arranged at the bottom of the water storage cavity shell 3 and is used for discharging liquid flowing into the water storage cavity shell 3, and the specific structure is shown in figure 1.
Further, the inner wall of the pipeline housing 2 is provided with a plurality of diversion trenches 4 for guiding the liquid splashed on the inner wall into the water storage cavity housing 3 below, so that the water drop liquid film on the inner wall of the pipeline housing 2 is ensured not to flow into the air outlet pipeline. The width of the diversion trench 4 is 10mm, the depth is 5mm, and the specific structure is shown in figure 2.
Further, the water drain valve comprises a first water outlet 14 formed in the bottom of the water storage cavity shell 3, a water outlet pipeline 8 communicated with the first water outlet 14, a second water outlet 15 formed in one side of the water storage cavity shell 3, a bypass pipeline 9 communicated with the second water outlet 15 and the water outlet pipeline 8, and a spherical plug 11 for plugging the first water outlet 14. The water outlet pipeline 8 is internally provided with a supporting block, the supporting block is provided with a spherical pit for accommodating the spherical plug 11, the bottom of the pit is provided with a diversion hole, and the liquid in the water storage cavity shell 3 can only flow out through the diversion hole. The spherical plug 11 is placed in the spherical pit on the supporting block, and the part of the spherical plug 11 exposed by the diversion hole is connected with a hollow supporting part 16. The support member 16 is fixed at one end to the ball plug 11 and at the other end inserted into the bypass duct 9 and is latched into the bypass duct 9 by the compression spring 12. The compression spring 12 is in a compressed state in an initial state. A gap is reserved between the supporting part 16 and the inner walls of the bypass pipelines 9 on the two sides. The inner wall of the bypass pipeline 9 on one side of the supporting part 16 and the inner wall of the bypass pipeline 9 near the one side are respectively provided with a through hole 13 for communicating with the water outlet pipeline 8. The depth of the water storage cavity shell 34 is 50mm, the depth of the second water outlet 15 in the water storage cavity shell 3 is 1/3 of the total depth of the water storage cavity shell 3, and the water storage cavity shell 3 is ensured to keep a low water level and cannot exceed the edge of the water storage cavity shell 3 to flow out of the gas pipeline 1.
When the gas-water separation device applied to the hydrogen circulating pump in the embodiment works, the air flow carrying liquid drops flows into the pipeline shell 2 from the inlet of the air pipeline 1, the liquid drops impact the three-blade spiral gradually-widened blades 6 and form a liquid film on the surfaces of the blades, and the air flows through the flow channels of the impellers to drive the impellers to rotate, so that the liquid drops and the liquid film on the blades are splashed into the water storage cavity shell 3 on and below the inner wall of the pipeline shell 2 along the radial water diversion grooves 10 on the surfaces, and the liquid drops on the inner wall of the pipeline shell 2 flow into the water storage cavity shell 3 along the circumferential water diversion grooves 4, so that gas-water separation and collection are completed.
Fig. 3 and 4 are schematic structural diagrams of the water storage cavity housing 3 of the gas-water separation device according to the present embodiment when the first water outlet 14 is opened and closed, as shown in the drawing, when the water level in the water storage cavity housing 3 is higher than the second water outlet 15, the liquid in the water storage cavity housing 3 starts to flow into the bypass pipe 9 until the water level in the water storage cavity housing 3 floods the second water outlet 15, at this time, the water pressure at the upper end and the lower end of the ball-shaped plug 11 is in a balanced state, the compression spring 12 is deformed and lifts the ball-shaped plug 11 and the supporting member 16, the first water outlet 14 is opened, the liquid in the water storage cavity housing 3 flows out through the first water outlet 14, and the water level in the water storage cavity housing 3 starts to drop. At the same time, the two through holes 13 on the side of the support part 16 and the inner wall of the bypass pipe 9 near the side coincide, the liquid in the bypass pipe 9 flows out through the through holes 13, the water level in the bypass pipe 9 also begins to drop rapidly, the water level in the bypass pipe 9 drops at a speed greater than the water level in the water storage cavity shell 3 because the liquid level in the bypass pipe 9 is far less than the liquid level in the water storage cavity shell 3, when the water level in the bypass pipe 9 is lower than the water level in the water storage cavity shell 3, the water pressure at the upper end of the spherical plug 11 is greater than the water pressure at the lower end, the compression spring 12 is compressed and deformed, the spherical plug 11 is pressed back to plug the first water outlet 14 again, and the liquid is not discharged any more.
The examples are preferred embodiments of the present invention, but the present invention is not limited to the above-described embodiments, and any obvious modifications, substitutions or variations that can be made by one skilled in the art without departing from the spirit of the present invention are within the scope of the present invention.
Claims (10)
1. The gas-water separation device for the hydrogen circulating pump is characterized by comprising an integrated shell integrated on a gas pipeline (1), a hub (5) arranged in the integrated shell, a plurality of groups of spiral gradually-widened blades (6) and a water drain valve; the integrated shell comprises a pipeline shell (2) with the diameter larger than that of the gas pipeline (1), and a water storage cavity shell (3) communicated with the bottom of the pipeline shell (2) and lower than the horizontal position of the gas pipeline (1); the hub (5) and the gas pipeline (1) are on the same axis; the spiral gradually-widening blades (6) are fixed on the hub (5), the maximum radius of the spiral gradually-widening blades (6) is not smaller than the radius of the gas pipeline (1), and a plurality of radial water diversion grooves (10) for guiding liquid to the inner wall of the pipeline shell (2) and the water storage cavity shell (3) are formed in the pressure surface of the spiral gradually-widening blades (6); the water drain valve is arranged at the bottom of the water storage cavity shell (3) and is used for discharging liquid flowing into the water storage cavity shell (3).
2. The gas-water separation device according to claim 1, wherein a plurality of diversion trenches (4) for guiding the liquid splashed on the inner wall into the water storage cavity shell (3) below are arranged on the inner wall of the pipeline shell (2).
3. A gas-water separation device according to claim 2, characterized in that the width of the diversion trench (4) is 5-15 mm and the depth is 3-6 mm.
4. A gas-water separation device according to claim 1, characterized in that the hub (5) is a conical hub (5), the cross-sectional diameter of the hub (5) increasing gradually in the inlet direction.
5. The gas-water separation device according to claim 1, wherein two adjacent water diversion grooves (10) on the pressure surface of the spiral gradually-widening blade (6) are separated by an included angle of 30-60 degrees, the width of the water diversion groove (10) is 1-5 mm, and the depth is 0.8-2 mm.
6. The gas-water separation device according to claim 1, characterized in that the water drain valve comprises a first water drain outlet (14) arranged at the bottom of the water storage cavity shell (3), a water outlet pipeline (8) communicated with the first water drain outlet (14), a second water drain outlet (15) arranged at one side of the water storage cavity shell (3), a bypass pipeline (9) communicated with the second water drain outlet (15) and the water outlet pipeline (8), a spherical plug (11) for plugging the first water drain outlet (14), and a hollow supporting component (16) with one end fixed on the spherical plug (11) and the other end inserted into the bypass pipeline (9); the supporting part (16) is tied in the bypass pipeline (9) through the compression spring (12); the compression spring (12) is in a compressed state in an initial state; a gap is reserved between the supporting part (16) and the inner walls of the bypass pipelines (9) at the two sides; the inner walls of the bypass pipeline (9) on one side and the side close to the one side of the supporting part (16) are respectively provided with a through hole (13) for communicating the water outlet pipeline (8).
7. The gas-water separation device according to claim 6, wherein a supporting block is installed in the water outlet pipeline (8), a spherical pit for accommodating the spherical plug (11) is formed in the supporting block, a diversion hole is formed in the bottom of the pit, and liquid in the water storage cavity shell (3) can only flow out through the diversion hole.
8. The gas-water separation device according to claim 6, characterized in that the depth of the second drain opening (15) in the water storage chamber housing (3) is 1/3 of the total depth of the water storage chamber housing (3).
9. The gas-water separation device according to claim 1, characterized in that the total depth of the water storage chamber housing (3) is 30-60 mm.
10. A gas-water separation device according to claim 1, characterized in that a fixing member is mounted in the gas pipe (1) near each of the two ports of the pipe housing (2), and the hub (5) is fixed to both fixing members by means of bearings (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310887722.2A CN116928136B (en) | 2023-07-19 | Gas-water separation device applied to hydrogen circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310887722.2A CN116928136B (en) | 2023-07-19 | Gas-water separation device applied to hydrogen circulating pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116928136A true CN116928136A (en) | 2023-10-24 |
| CN116928136B CN116928136B (en) | 2024-06-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117440A (en) * | 2019-12-31 | 2021-07-16 | 上海欧菲滤清器有限公司 | Gas-water separator |
| CN114171757A (en) * | 2021-11-30 | 2022-03-11 | 中汽创智科技有限公司 | Gas-liquid separator and fuel cell system |
| CN216818396U (en) * | 2021-12-28 | 2022-06-24 | 苏州瑞驱电动科技有限公司 | Secondary filtering device for air inlet of hydrogen circulating pump |
| CN216935086U (en) * | 2021-11-30 | 2022-07-12 | 武汉格罗夫氢能汽车有限公司 | Gas-liquid separator for fuel cell system |
| CN114899451A (en) * | 2022-05-05 | 2022-08-12 | 烟台东德实业有限公司 | Cyclone water separator and ejector integrated hydrogen circulation system |
| CN217312376U (en) * | 2022-04-24 | 2022-08-30 | 烟台东德实业有限公司 | Gas-water separator for hydrogen system |
| CN217855054U (en) * | 2021-08-03 | 2022-11-22 | 氢电(杭州)科技有限公司 | Gas-water separation device |
| CN219176621U (en) * | 2022-12-21 | 2023-06-13 | 烟台东德实业有限公司 | Water knockout drum of magnetic coupling connection control impeller |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117440A (en) * | 2019-12-31 | 2021-07-16 | 上海欧菲滤清器有限公司 | Gas-water separator |
| CN217855054U (en) * | 2021-08-03 | 2022-11-22 | 氢电(杭州)科技有限公司 | Gas-water separation device |
| CN114171757A (en) * | 2021-11-30 | 2022-03-11 | 中汽创智科技有限公司 | Gas-liquid separator and fuel cell system |
| CN216935086U (en) * | 2021-11-30 | 2022-07-12 | 武汉格罗夫氢能汽车有限公司 | Gas-liquid separator for fuel cell system |
| CN216818396U (en) * | 2021-12-28 | 2022-06-24 | 苏州瑞驱电动科技有限公司 | Secondary filtering device for air inlet of hydrogen circulating pump |
| CN217312376U (en) * | 2022-04-24 | 2022-08-30 | 烟台东德实业有限公司 | Gas-water separator for hydrogen system |
| CN114899451A (en) * | 2022-05-05 | 2022-08-12 | 烟台东德实业有限公司 | Cyclone water separator and ejector integrated hydrogen circulation system |
| CN219176621U (en) * | 2022-12-21 | 2023-06-13 | 烟台东德实业有限公司 | Water knockout drum of magnetic coupling connection control impeller |
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