CN219066855U - Water knockout drum with external rotor motor control volute pump - Google Patents
Water knockout drum with external rotor motor control volute pump Download PDFInfo
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- CN219066855U CN219066855U CN202223542045.0U CN202223542045U CN219066855U CN 219066855 U CN219066855 U CN 219066855U CN 202223542045 U CN202223542045 U CN 202223542045U CN 219066855 U CN219066855 U CN 219066855U
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- impeller
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- rotor motor
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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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Abstract
The utility model provides a water knockout drum with external rotor motor control volute pump, includes the casing, install the volute pump in the casing, the volute pump includes pump case and impeller, and the impeller is supported through the impeller axle, and impeller axle one end links firmly with shells inner wall, and the other end passes through the bearing to be connected with the impeller, installs external rotor motor in the casing outside, is equipped with impeller air inlet and impeller gas outlet on the pump case, the impeller air inlet stretches to the casing outside, and the impeller gas outlet is located the casing inboard, be located the volute pump below still is equipped with the water diversion structure in the casing, is equipped with the gas vent on the casing. The vortex pump can throw liquid drops in the hydrogen-containing mixed gas to the inner wall of the impeller shell through centrifugal force to divide water, so that the water dividing effect is enhanced, hydrogen and water can be effectively separated, and flooding caused by a large amount of water entering the galvanic pile is avoided; on the other hand, the gas at the gas outlet of the impeller can be actively boosted, so that the gas pressure of the gas outlet is ensured, and the requirement of hydrogen circulation of the fuel cell is met.
Description
Technical field:
the utility model relates to a water separator with an external rotor motor control vortex pump.
The background technology is as follows:
in a hydrogen path circulation system of a fuel cell, the content of water vapor in the hydrogen-containing mixed gas is high, the humidity is high, the water vapor needs to be separated before the hydrogen-containing mixed gas enters a fuel cell stack, and a water separator is generally adopted at present, but the prior gas-water separator mainly has the following two defects: firstly, the water separation effect is poor, and hydrogen and water cannot be effectively separated, so that a large amount of water enters a pile to generate flooding, the power of the pile is reduced, and the working stability of a fuel cell system is affected; secondly, the internal structure is too complicated, the resistance received by the hydrogen-containing mixed gas when passing is very large, the water separator does not have an active boosting function, the air pressure at the air outlet of the water separator is greatly reduced, and the requirement of hydrogen path circulation of the fuel cell is not met.
In view of the foregoing, the foregoing problems of the fuel cell water separator have become a technical problem to be solved in the industry.
The utility model comprises the following steps:
the utility model provides a water separator with an external rotor motor controlled vortex pump to make up for the defects of the prior art, solves the problem that a large amount of water enters a galvanic pile to generate flooding due to poor water separation effect, and solves the problems of high resistance and high pressure drop when the traditional hydrogen-containing mixed gas passes through.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a water knockout drum with external rotor motor control volute pump, including the casing, install the volute pump in the casing, the volute pump includes pump case and impeller, the edge and the shells inner wall of pump case link firmly, the impeller is supported through the impeller axle, impeller axle one end links firmly with shells inner wall, the other end is connected with the impeller through the bearing, install the external rotor motor outside the casing, the stator of external rotor motor is installed in the recess in the casing outside, the external rotor is established in the position that is close to the stator periphery in the casing inboard, the external rotor is installed on the impeller, be equipped with impeller air inlet and impeller gas outlet on the pump case, the impeller air inlet stretches to the casing outside, the impeller gas outlet is located the casing inboard, the impeller is arranged in getting rid of the liquid droplet in the hydrogen-containing mixed gas to the pump case inner wall through centrifugal force and carries out the primary water diversion and carries out the initiative boost to the gas; the shell is internally provided with a water diversion structure positioned below the vortex pump, the water diversion structure is used for carrying out secondary water diversion on gas, and the shell is provided with an exhaust port.
The impeller air inlet and the impeller air outlet are arranged at the bottom of the pump shell side by side.
And a controller is arranged in the outer rotor motor and used for controlling the rotating speed of the outer rotor motor.
The water diversion structure comprises a baffle type water diversion structure, a vortex type water diversion structure or a cyclone type water diversion structure.
The exhaust port is provided with a pressure sensor.
The inside of the shell is divided into a water distribution cavity at the upper side and a water storage cavity at the lower side through a partition plate, the active closed impeller structure and the water distribution structure are both positioned in the water distribution cavity, and a plurality of through holes which are used for communicating the water distribution cavity with the water storage cavity are formed in the partition plate.
The water storage cavity is provided with a drainage electromagnetic valve.
The impeller is made of metal or nonmetal.
The utility model adopts the scheme and has the following advantages:
by arranging the vortex pump in the shell, on one hand, liquid drops in the hydrogen-containing mixed gas can be thrown to the inner wall of the pump shell through centrifugal force to separate water, the water separation effect is enhanced, hydrogen and water can be effectively separated, and a large amount of water is prevented from entering a galvanic pile to generate flooding; on the other hand, the gas at the gas outlet of the impeller can be actively boosted, so that the gas pressure of the gas outlet is ensured, and the requirement of hydrogen circulation of the fuel cell is met.
Description of the drawings:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic side view of the peripheral pump according to the present utility model.
In the figure, 1, a shell, 2, a pump shell, 3, impellers, 4, an impeller shaft, 5, an impeller air inlet, 6, an impeller air outlet, 7, a water diversion structure, 8, an air outlet, 9, a stator, 10, an outer rotor, 11, an outer rotor motor, 12, a controller, 13, a partition plate, 14 and a bearing.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-2, a water knockout drum with an external rotor motor control vortex pump comprises a shell 1, wherein the vortex pump is arranged in the shell 1, the vortex pump comprises a pump shell 2 and an impeller 3, the edge of the pump shell 2 is fixedly connected with the inner wall of the shell 1, the impeller 3 is supported by an impeller shaft 4, one end of the impeller shaft 4 is fixedly connected with the inner wall of the shell 1, the other end of the impeller shaft is connected with the impeller 3 by a bearing 14, an external rotor motor 11 is arranged outside the shell 1, a stator 9 of the external rotor motor 11 is arranged in a groove outside the shell 1, an external rotor 10 is arranged at a position, close to the periphery of the stator 9, inside the shell 1, of the external rotor 10 is arranged on the impeller 3, an impeller air inlet 5 and an impeller air outlet 6 are arranged on the pump shell 2, the impeller air inlet 5 extends to the outside the shell 1, the impeller air outlet 6 is positioned inside the shell 1, and the impeller 3 is used for throwing liquid drops in hydrogen-containing mixed gas to the inner wall of the pump shell 2 to perform one-level water separation through centrifugal force and performing active boosting on the gas; the inside of the shell 1, which is positioned below the peripheral pump, is also provided with a water diversion structure 7, the water diversion structure 7 is used for carrying out secondary water diversion on the gas, and the shell 1 is provided with an exhaust port 8.
The impeller air inlet 5 and the impeller air outlet 6 are arranged at the bottom of the pump shell 2 side by side, and water in the pump shell 2 can be discharged downwards from the impeller air outlet 6, so that water is prevented from being accumulated in the pump shell 2.
The arrangement of the outer rotor motor 11 can realize that the stator 9 of the motor drives the outer rotor 10 and the outer rotor 10 drives the impeller 3 to rotate without perforating on the shell 1, thereby ensuring the tightness of the shell 1.
A controller 12 is arranged in the outer rotor motor 11 and is used for controlling the rotating speed of the outer rotor motor 11.
The water diversion structure 7 comprises a baffle type water diversion structure, a vortex type water diversion structure or a cyclone type water diversion structure.
The exhaust port 8 is provided with a pressure sensor. The controller 12 is used for controlling the rotating speed of the external rotor motor 11, and the flow can be judged according to the pressure sensor, so that the rotating speed is adjusted, the gas flow rate can be adjusted, and the high separation effect can be achieved for the small-flow water separator. And after the pile system is stopped, the outer rotor motor 11 still continues to work, and redundant gas and water drops are discharged, so that the purging effect is achieved, and icing is prevented.
The inside of the shell 1 is divided into an upper water distribution cavity and a lower water storage cavity through a partition plate 13, the active closed impeller structure and the water distribution structure 7 are both positioned in the water distribution cavity, and the partition plate 13 is provided with a plurality of through holes which are communicated with the water distribution cavity and the water storage cavity. The separated water is stored in the water storage cavity, so that the contact between the hydrogen-containing mixed gas in the water distribution cavity and the water in the water storage cavity can be avoided to the greatest extent, the outward carrying of the bottom water by the hydrogen-containing mixed gas is avoided, and the gas-water separation effect is enhanced.
The water storage cavity is provided with a drainage electromagnetic valve, and the drainage electromagnetic valve is opened to empty water according to the signal of the pressure sensor when the pressure is very low, so that the drainage electromagnetic valve is prevented from freezing.
The impeller 3 is made of metal or nonmetal.
Working principle:
after the hydrogen-containing mixed gas enters the pump shell 2 from the impeller air inlet 5, an outer rotor motor 11 is started, a stator 9 of the outer rotor motor 11 is electrified to drive an outer rotor 10 to rotate, the outer rotor 10 drives an impeller 3 to rotate at a high speed, the impeller 3 can throw liquid drops in the hydrogen-containing mixed gas to the inner wall of the pump shell 2 through centrifugal force to carry out primary water separation, and after the water is separated, the water is discharged from an impeller air outlet 6 and flows downwards through a through hole in a partition plate 13 to enter a water storage cavity; the impeller 3 can actively boost the pressure of the gas at the impeller gas outlet 6, so that the gas pressure of the gas outlet 8 is ensured, and the requirement of hydrogen circulation of the fuel cell is met. The gas discharged from the impeller gas outlet 6 is subjected to secondary water separation through the water diversion structure 7, and water also flows through the through holes in the partition plate 13 to enter the water storage cavity, so that the water diversion effect is enhanced, the hydrogen and the water can be effectively separated, and flooding caused by a large amount of water entering the electric pile is avoided.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (8)
1. A water knockout drum with external rotor motor control volute pump which characterized in that: the device comprises a shell, wherein a vortex pump is arranged in the shell, the vortex pump comprises a pump shell and an impeller, the edge of the pump shell is fixedly connected with the inner wall of the shell, the impeller is supported by an impeller shaft, one end of the impeller shaft is fixedly connected with the inner wall of the shell, the other end of the impeller shaft is connected with the impeller through a bearing, an outer rotor motor is arranged outside the shell, a stator of the outer rotor motor is arranged in a groove outside the shell, the outer rotor is arranged at a position, close to the periphery of the stator, inside the shell, on the impeller, an impeller air inlet and an impeller air outlet are arranged on the pump shell, the impeller air inlet extends to the outer side of the shell, the impeller air outlet is positioned inside the shell, and the impeller is used for throwing liquid drops in hydrogen-containing mixed gas to the inner wall of the pump shell through centrifugal force to carry out primary water diversion and actively boosting the gas; the shell is internally provided with a water diversion structure positioned below the vortex pump, the water diversion structure is used for carrying out secondary water diversion on gas, and the shell is provided with an exhaust port.
2. A water separator with an external rotor motor controlled vortex pump according to claim 1, characterized in that: the impeller air inlet and the impeller air outlet are arranged at the bottom of the pump shell side by side.
3. A water separator with an external rotor motor controlled vortex pump according to claim 1, characterized in that: and a controller is arranged in the outer rotor motor and used for controlling the rotating speed of the outer rotor motor.
4. A water separator with an external rotor motor controlled vortex pump according to claim 1, characterized in that: the water diversion structure comprises a baffle type water diversion structure, a vortex type water diversion structure or a cyclone type water diversion structure.
5. A water separator with an external rotor motor controlled vortex pump according to claim 1, characterized in that: the exhaust port is provided with a pressure sensor.
6. A water separator with an external rotor motor controlled vortex pump according to claim 1, characterized in that: the inside of the shell is divided into a water distribution cavity at the upper side and a water storage cavity at the lower side through a partition plate, the vortex pump and the water distribution structure are both positioned in the water distribution cavity, and a plurality of through holes which are communicated with the water distribution cavity and the water storage cavity are formed in the partition plate.
7. The water separator with external rotor motor controlled vortex pump of claim 6 wherein: the water storage cavity is provided with a drainage electromagnetic valve.
8. A water separator with an external rotor motor controlled vortex pump according to claim 1, characterized in that: the impeller is made of metal or nonmetal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223542045.0U CN219066855U (en) | 2022-12-21 | 2022-12-21 | Water knockout drum with external rotor motor control volute pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223542045.0U CN219066855U (en) | 2022-12-21 | 2022-12-21 | Water knockout drum with external rotor motor control volute pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219066855U true CN219066855U (en) | 2023-05-23 |
Family
ID=86376432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223542045.0U Active CN219066855U (en) | 2022-12-21 | 2022-12-21 | Water knockout drum with external rotor motor control volute pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219066855U (en) |
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2022
- 2022-12-21 CN CN202223542045.0U patent/CN219066855U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230712 Address after: Room 215, No. 59 Dongpeng Avenue, Huangpu District, Guangzhou City, Guangdong Province, 510700 Patentee after: Lingchen Hydrogen Technology (Guangzhou) Co.,Ltd. Address before: 264000 Room 302, No. 331 Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee before: YANTAI DONGDE INDUSTRIAL Co.,Ltd. |