CN211422881U - Hydrogen recycling device of fuel cell hydrogen circulating pump test board - Google Patents
Hydrogen recycling device of fuel cell hydrogen circulating pump test board Download PDFInfo
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- CN211422881U CN211422881U CN201922385043.7U CN201922385043U CN211422881U CN 211422881 U CN211422881 U CN 211422881U CN 201922385043 U CN201922385043 U CN 201922385043U CN 211422881 U CN211422881 U CN 211422881U
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Abstract
The utility model belongs to the technical field of recovery unit in the hydrogen fuel cell engine system, a fuel cell hydrogen circulating pump testboard hydrogen recovery unit is disclosed. Comprises a pre-cooler, a freezing type dryer and a hydrogen compression mechanism which are connected in sequence; the front end of the front cooler is provided with an air inlet group, and the hydrogen compression mechanism comprises a first-stage compression cylinder, a first-stage cooler, a first-stage safety valve, a second-stage compression cylinder, a second-stage cooler, a second-stage safety valve and an air inlet which are sequentially connected. The device has the characteristics of recycling and compressing the hydrogen discharged by the hydrogen circulating pump of the fuel cell. Saving cost, being green and safe and avoiding polluting the environment.
Description
Technical Field
The utility model belongs to the technical field of recovery unit in the hydrogen fuel cell engine system, the utility model relates to a fuel cell hydrogen circulating pump testboard hydrogen recovery unit. In particular to a hydrogen recovery device applied to a fuel cell hydrogen circulating pump test platform.
Background
At present, hydrogen fuel cell and fuel cell engine system, important part in the hydrogen gas circuit is the hydrogen circulating pump, and the hydrogen circulating pump needs carry out capability test and life-span test, then needs a large amount of hydrogen to hydrogen circulating pump capability test and life-span test, for avoiding a large amount of hydrogen to bleed extravagantly and polluting the atmosphere, consequently need a kind of hydrogen recovery unit who uses in fuel cell hydrogen circulating pump test platform to retrieve the hydrogen of emission promptly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the above-mentioned background art, providing a fuel cell hydrogen circulating pump testboard hydrogen recovery unit, the device has the characteristics that carry out cyclic utilization with fuel cell hydrogen circulating pump exhaust hydrogen recovery compression. Saving cost, being green and safe and avoiding polluting the environment.
The utility model provides a technical scheme that its technical problem adopted is: a hydrogen recovery device of a fuel cell hydrogen circulating pump test bench; comprises a pre-cooler, a freezing type dryer and a hydrogen compression mechanism which are connected in sequence; the front end of the front cooler is provided with an air inlet group, and the hydrogen compression mechanism comprises a first-stage compression cylinder, a first-stage cooler, a first-stage safety valve, a second-stage compression cylinder, a second-stage cooler, a second-stage safety valve and an air inlet which are sequentially connected.
The device comprises a front cooler, a freezing dryer, a first-stage compression cylinder, a first-stage cooler, a second-stage compression cylinder and a second-stage cooler, wherein a liquid inlet of the front cooler, the freezing dryer, the first-stage compression cylinder, the first-stage cooler, the second-stage compression cylinder and a liquid outlet of the second-stage cooler are respectively connected with a water inlet, and return water regulating valves are respectively arranged on pipelines respectively connected with the water return ports of the front cooler, the freezing dryer, the first-stage compression cylinder, the first-stage cooler, the second-stage compression cylinder and the second-stage cooler.
Furthermore, an air inlet temperature transmission, a primary air inlet thermometer and an air inlet pressure transmitter are arranged on a pipeline connecting the freezing dryer and the primary compression cylinder.
Furthermore, a first-stage exhaust thermometer and a first-stage exhaust pressure transmitter are arranged on a pipeline for connecting the first-stage compression cylinder and the first-stage cooler.
Furthermore, a second-stage air inlet pressure gauge and a second-stage air inlet thermometer are arranged on a pipeline connected with the first-stage cooler and the second-stage compression cylinder.
Furthermore, a second-stage exhaust thermometer, a second-stage exhaust temperature transmitter and a second-stage exhaust pressure transmitter are arranged on a pipeline connected with the second-stage compression cylinder and the second-stage cooler.
The gas inlet unit comprises a hydrogen gas inlet, a gas inlet gate valve, a system gas inlet pressure gauge, a system temperature transmitter and a system gas inlet thermometer which are sequentially connected.
The primary safety valve and the secondary safety valve are respectively connected with a safety valve collecting port; the tail end of the safety valve collecting port is connected with the outlet of the safety valve.
Furthermore, the primary safety valve and the secondary safety valve ensure that the pressure in the system is not ultrahigh; the safety is ensured.
The air supply port is used for supplying the hydrogen recovered by the device to other devices for recycling.
Furthermore, the liquid outlet temperatures of the front cooler, the freezing dryer, the primary compression cylinder, the primary cooler, the secondary compression cylinder and the secondary cooler are respectively adjusted by a return water adjusting valve A, a return water adjusting valve B, a return water adjusting valve C, a return water adjusting valve D, a return water adjusting valve E and a return water adjusting valve F.
Compared with the prior art, the utility model beneficial effect who has is: the invention provides a hydrogen recovery device of a fuel cell hydrogen circulating pump test bench, which is mainly used for recovering, compressing and recycling the hydrogen discharged from a hydrogen circulating pump test platform, so that the waste of a large amount of hydrogen in the test is avoided, the waste of energy and the pollution to the atmospheric environment are avoided, and the effect of recycling the energy is achieved. And the cost is saved, and the method is green and safe.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is the utility model discloses fuel cell hydrogen circulating pump testboard hydrogen recovery unit structure picture.
In the figure, 1, an air inlet gate valve, 2, a system air inlet pressure gauge, 3, a system air inlet temperature gauge, 4, a pre-cooler, 5, a freezing dryer, 6, a primary air inlet temperature gauge, 7, a primary compression cylinder, 8, a primary exhaust temperature gauge, 9, a primary cooler, 10, a primary safety valve, 11, a secondary air inlet pressure gauge, 12, a secondary air inlet temperature gauge, 13, a secondary compression cylinder, 14, a secondary exhaust temperature gauge, 15, a secondary cooler, 16, a secondary safety valve, 17, a system temperature transmitter, 18, an air inlet temperature transmitter, 19, an air inlet pressure transmitter, 20, a primary exhaust pressure transmitter, 21, a secondary exhaust temperature transmitter, 22, a secondary exhaust pressure transmitter, 23, a safety valve outlet, 24, an air inlet, 25, a water return port, 26, a water inlet, 27, a water return regulating valve A, 28, a water return regulating valve B, 29, a water return regulating valve C, 31. and a water return regulating valve E, 32, a water return regulating valve F, 33, a hydrogen inlet, 34 and a safety valve collecting port.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
Example 1
A hydrogen recovery device of a fuel cell hydrogen circulating pump test bench is shown in figure 1 and comprises a pre-cooler 4, a freeze-drying machine 5 and a hydrogen compression mechanism which are connected in sequence; the front end of the front cooler 4 is provided with an air inlet group, and the hydrogen compression mechanism comprises a primary compression cylinder 7, a primary cooler 9, a primary safety valve 10, a secondary compression cylinder 13, a secondary cooler 15, a secondary safety valve 16 and an air supply port 24 which are connected in sequence.
The liquid inlets of the front cooler 4, the freezing dryer 5, the primary compression cylinder 7, the primary cooler 9, the secondary compression cylinder 13 and the secondary cooler 15 are respectively connected with the water inlet 26, the liquid outlets of the front cooler 4, the freezing dryer 5, the primary compression cylinder 7, the primary cooler 9, the secondary compression cylinder 13 and the secondary cooler 15 are respectively connected with the water return port 25, and the pipelines of the front cooler 4, the freezing dryer 5, the primary compression cylinder 7, the primary cooler 9, the secondary compression cylinder 13 and the secondary cooler 15 which are respectively connected with the water return port 25 are respectively provided with a water return regulating valve.
Furthermore, an air inlet temperature transmission 18, a primary air inlet temperature meter 6 and an air inlet pressure transmitter 19 are arranged on a pipeline connecting the freezing dryer 5 and the primary compression cylinder 7.
Further, a first-stage exhaust thermometer 8 and a first-stage exhaust pressure transmitter 20 are arranged on a pipeline connected with the first-stage compression cylinder 7 and the first-stage cooler 9.
Further, a second-stage air inlet pressure gauge 11 and a second-stage air inlet thermometer 12 are arranged on a pipeline connecting the first-stage cooler 9 and the second-stage compression cylinder 13.
Further, a second-stage exhaust temperature gauge 14, a second-stage exhaust temperature transmitter 21 and a second-stage exhaust pressure transmitter 22 are arranged on a pipeline connecting the second-stage compression cylinder 13 and the second-stage cooler 15.
The air inlet group comprises a hydrogen inlet 33, an air inlet gate valve 1, a system air inlet pressure gauge 2, a system temperature transmitter 17 and a system air inlet thermometer 3 which are connected in sequence.
The primary safety valve 10 and the secondary safety valve 16 are respectively connected with a safety valve collecting port 34; the relief valve manifold 34 is connected at its end to the relief valve outlet 23.
Hydrogen among the hydrogen circulating pump test platform is the exhaust, gets into gate valve 1 that admits air, system pressure gauge 2, the system thermometer 3 that admits air, leading cooler 4, freeze dryer 5, and freeze dryer 5 separates the moisture condensation in with gas, parameter after the dehydration: the outlet temperature is 10 ℃, and the water content is 5g/cm3The cold dry gas enters a suction port of the compression mechanism, enters a first-stage compression cylinder 7 of the compression mechanism, is compressed and then enters a first-stage cooler 9 for cooling, then enters a second-stage compression cylinder 13 of the compression mechanism, is compressed and then enters a second-stage cooler 15 for cooling, the exhaust pressure of an outlet of a hydrogen gas feeding port is 0.6Mpag, the exhaust temperature is less than or equal to the normal temperature and is less than or equal to 15 ℃, and a system air inlet pressure gauge 2, a system air inlet temperature gauge 3, a first-stage safety valve 10, a second-stage air inlet pressure gauge 11, a second-stage air inlet temperature gauge 12, a second-stage exhaust temperature gauge 14, a second.
After the compression of the first-stage compression cylinder and the compression of the second-stage compression cylinder, the pressure of the gas supply port of the hydrogen discharge outlet is 0.6Mpag, and the hydrogen can be recycled;
although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. A hydrogen recovery device of a fuel cell hydrogen circulating pump test bench is characterized by comprising a pre-cooler (4), a freezing type dryer (5) and a hydrogen compression mechanism which are sequentially connected; the front end of the front cooler (4) is provided with an air inlet group, and the hydrogen compression mechanism comprises a primary compression cylinder (7), a primary cooler (9), a primary safety valve (10), a secondary compression cylinder (13), a secondary cooler (15), a secondary safety valve (16) and an air supply port (24) which are connected in sequence.
2. A fuel cell hydrogen circulation pump test bench hydrogen reclamation device as recited in claim 1, it is characterized in that liquid inlets of the pre-cooler (4), the freezing dryer (5), the primary compression cylinder (7), the primary cooler (9), the secondary compression cylinder (13) and the secondary cooler (15) are respectively connected with a water inlet (26), the liquid outlets of the pre-cooler (4), the freezing dryer (5), the primary compression cylinder (7), the primary cooler (9), the secondary compression cylinder (13) and the secondary cooler (15) are respectively connected with a water return port (25), and the pipeline of the front cooler (4), the freezing dryer (5), the primary compression cylinder (7), the primary cooler (9), the secondary compression cylinder (13) and the secondary cooler (15) which are respectively connected with the water return port (25) is respectively provided with a water return regulating valve.
3. The hydrogen recovery device of the fuel cell hydrogen circulating pump test bench of claim 2, wherein the pipeline connecting the freezing dryer (5) and the primary compression cylinder (7) is provided with an inlet air temperature transmission (18), a primary inlet air temperature meter (6) and an inlet air pressure transmitter (19).
4. The hydrogen recovery device of the fuel cell hydrogen circulation pump test bench of claim 2, wherein the pipeline connecting the primary compression cylinder (7) and the primary cooler (9) is provided with a primary exhaust thermometer (8) and a primary exhaust pressure transmitter (20).
5. The hydrogen recovery device for the fuel cell hydrogen circulating pump test bench according to claim 2, wherein a secondary inlet pressure gauge (11) and a secondary inlet temperature gauge (12) are arranged on a pipeline connecting the primary cooler (9) and the secondary compression cylinder (13).
6. The hydrogen recycling device of the fuel cell hydrogen circulating pump test bench of claim 2, wherein the pipeline connecting the secondary compression cylinder (13) and the secondary cooler (15) is provided with a secondary exhaust temperature gauge (14), a secondary exhaust temperature transmitter (21) and a secondary exhaust pressure transmitter (22).
7. The hydrogen recovery device of the fuel cell hydrogen circulating pump test bench of claim 2, wherein the gas inlet set comprises a hydrogen inlet (33), a gas inlet gate valve (1), a system gas inlet pressure gauge (2), a system temperature transmitter (17) and a system gas inlet temperature gauge (3) which are connected in sequence.
8. The hydrogen recovery device of the fuel cell hydrogen circulation pump test bench according to claim 2, wherein the primary safety valve (10) and the secondary safety valve (16) are respectively connected with a safety valve collecting port (34); the tail end of the safety valve collecting port (34) is connected with the safety valve outlet (23).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385043.7U CN211422881U (en) | 2019-12-26 | 2019-12-26 | Hydrogen recycling device of fuel cell hydrogen circulating pump test board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922385043.7U CN211422881U (en) | 2019-12-26 | 2019-12-26 | Hydrogen recycling device of fuel cell hydrogen circulating pump test board |
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| CN211422881U true CN211422881U (en) | 2020-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790975A (en) * | 2022-05-11 | 2022-07-26 | 上海氢枫能源技术有限公司 | Hydraulic drive hydrogen compressor |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790975A (en) * | 2022-05-11 | 2022-07-26 | 上海氢枫能源技术有限公司 | Hydraulic drive hydrogen compressor |
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