CN218546270U - Safety sampling device for high-pressure gas of hydrogen compressor - Google Patents
Safety sampling device for high-pressure gas of hydrogen compressor Download PDFInfo
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- CN218546270U CN218546270U CN202122002771.2U CN202122002771U CN218546270U CN 218546270 U CN218546270 U CN 218546270U CN 202122002771 U CN202122002771 U CN 202122002771U CN 218546270 U CN218546270 U CN 218546270U
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Abstract
The utility model discloses a safe sampling device for hydrogen compressor high-pressure gas, including high-pressure stop valve, hydrogen compressor high pressure pipeline and high-pressure stop valve export, high-pressure stop valve exit is equipped with the relief pressure valve, the one end that the relief pressure valve is close to the high-pressure stop valve export is equipped with the relief pressure valve high pressure end entry rather than being connected, the other end that the relief pressure valve set up relief pressure valve high pressure end entry is equipped with relief pressure valve low pressure end export, relief pressure valve low pressure end export department connects and is equipped with the hydrogen cooling tube, be equipped with the hydrogen cooling tube entry of being connected with relief pressure valve low pressure end export on the hydrogen cooling tube, cup joint on the hydrogen cooling tube and be equipped with the cooling water heat exchange tube, the other end connection that the hydrogen cooling tube set up the hydrogen cooling tube entry is equipped with the low pressure and ends the pipe, the other end that the low pressure ends the pipe is equipped with the hydrogen sample connection. Compared with the prior art, the utility model the advantage lie in: the potential safety hazard of the sampling port of the hydrogen compressor can be weakened and eliminated.
Description
Technical Field
The utility model relates to a hydrogenation station hydrogen compressor equipment field specifically indicates a safe sampling device for hydrogen compressor high-pressure gas.
Background
Through the development of three hundred years, energy structures taking carbon and compounds thereof as main energy carriers are formed in the world currently. With the progress of technology, the emission of carbon dioxide, methane and other carbides is considered to be a major cause of the greenhouse effect. In order to cope with global climate change, most countries in the world have developed plans and policies for carbon peak reaching and carbon emission reduction, and the requirement for diversified development of the current energy system is provided, and the hydrogen energy is an environment-friendly energy.
The hydrogen energy is stored in the hydrogen in the form of chemical energy, the chemical energy in the hydrogen is converted into usable electric energy and heat energy through a fuel cell or a combustion reaction, no carbon is discharged in the using process, and the hydrogen energy is clean energy and is considered as ultimate energy of the twenty-first century. At present, the main application scenes of hydrogen energy are the industries of transportation, metallurgy, chemical industry and the like. In transportation, hydrogen can replace fossil fuel as hydrogen fuel automobile fuel to replace petroleum by fuel cell technology, and carbon dioxide emission is reduced. The existing hydrogen storage technology is mainly high-pressure gaseous hydrogen storage, the main pressure is 35Mpa, and the current hydrogen preparation mode is difficult to generate hydrogen with high pressure, so a hydrogen compressor is needed to compress raw material hydrogen, and then the raw material hydrogen is injected into a gas cylinder for automobiles.
The main working principle of the hydrogen fuel cell is that hydrogen and oxygen generate water and generate electric energy under the action of a catalyst, and the performance of the catalyst is greatly influenced by impurity gases such as carbon monoxide, sulfur dioxide and the like in the raw materials, so that the impurities in the fuel hydrogen need to be monitored, and particularly industrial byproduct hydrogen taking coke oven gas as the raw material is produced.
At present, in a hydrogenation mother station, a secondary purification process is adopted to purify coke oven gas to prepare hydrogen, so that the hydrogen is supplied externally. In order to ensure the product quality, a hydrogen quality analysis laboratory for the fuel cell is arranged in the station, and the hydrogen compressor is used for sampling at regular intervals to detect impurities in the hydrogen. Generally, a steel bottle is used for sampling, the steel bottle is connected with a sampling port during sampling, and a stop valve is opened for sampling. The following potential safety hazards exist in the operation process: the sampling port is preceded by high-pressure hydrogen of 20Mpa, and the step of opening the stop valve is difficult to control, thus easily causing accidental injury.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above-mentioned defect, provide a can weaken and eliminate hydrogen compressor sample connection potential safety hazard's a safe sampling device for hydrogen compressor high-pressure gas.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a safe sampling device for hydrogen compressor high-pressure gas, includes high-pressure stop valve, the high-pressure stop valve lower extreme is equipped with the hydrogen compressor high pressure pipeline rather than the intercommunication, high-pressure stop valve lower extreme one side is equipped with the high-pressure stop valve export, high-pressure stop valve exit is equipped with the relief pressure valve, the one end that the relief pressure valve is close to the high-pressure stop valve export is equipped with rather than the relief pressure valve high pressure end entry of connecting, the other end that the relief pressure valve set up relief pressure valve high pressure end entry is equipped with the export of relief pressure valve low pressure end, relief pressure valve low pressure end exit department connects and is equipped with the hydrogen cooling tube, be equipped with the hydrogen cooling tube entry of being connected with relief pressure valve low pressure end exit on the hydrogen cooling tube, it is equipped with the cooling water heat exchange tube to cup joint on the hydrogen cooling tube, the other end that the hydrogen cooling tube set up the hydrogen cooling tube entry is connected and is equipped with the low pressure and ends the pipe, the other end that the low pressure ends the pipe is equipped with the hydrogen sample connection.
Compared with the prior art, the utility model the advantage lie in: compare in prior art, utilize high pressure stop valve, relief pressure valve, make hydrogen pressure reduce to 5Mpa from 20Mpa, very big reduction the hydrogen pressure of hydrogen sample connection department, utilize the cooling effect of hydrogen cooling tube simultaneously, guarantee that hydrogen temperature is normal, further improve the security of sample connection department, realize weakening and eliminate the function of hydrogen compressor sample connection potential safety hazard.
As an improvement, a high-pressure stop valve outlet nut is arranged at the outlet of the high-pressure stop valve, and the outlet of the high-pressure stop valve is connected with the inlet of the high-pressure end of the reducing valve through a high-pressure stop valve outlet nut threaded structure. The high-pressure stop valve and the pressure reducing valve are connected and detached more easily by arranging the outlet nut of the high-pressure stop valve.
As an improvement, one side of the upper end of the pressure reducing valve, which is close to an outlet of a low-pressure end of the pressure reducing valve, is provided with a low-pressure gauge of the pressure reducing valve, and one side of the upper end of the pressure reducing valve, which is close to an inlet of a high-pressure end of the pressure reducing valve, is provided with a high-pressure gauge of the pressure reducing valve. The pressure conditions at two ports of the pressure reducing valve can be detected in real time by the pressure reducing valve low-pressure gauge and the pressure reducing valve high-pressure gauge, and the safety of the hydrogen pressure reducing process is ensured.
As an improvement, one side of the lower end of the cooling water heat exchange tube, which is close to the low-pressure stop tube, is provided with a cold water inlet communicated with the low-pressure stop tube, and one side of the upper end of the cooling water heat exchange tube, which is close to the hydrogen cooling tube inlet, is provided with a cold water outlet communicated with the hydrogen cooling tube inlet. The cold water inlet is used for externally connecting a cooling water input end, so that cooling water can enter the cooling water heat exchange tube, and the cooling water outlet is used for externally connecting devices such as a waste water tank and the like, so that used cooling water is collected, and waste is reduced.
As an improvement, sealing rings are arranged at the outlet of the high-pressure stop valve, the inlet of the high-pressure end of the pressure reducing valve, the outlet of the low-pressure end of the pressure reducing valve, the inlet of the hydrogen cooling pipe and the inlet and outlet of the low-pressure stop pipe. The sealing ring is made of EPDM plastic materials and arranged at the joint of each pipeline, and the integral air tightness of the device is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the safety sampling device for high-pressure gas of a hydrogen compressor of the present invention.
As shown in the figure: 1. a high pressure stop valve; 2. a hydrogen compressor high pressure conduit; 3. a high pressure stop valve outlet; 4. a pressure reducing valve; 5. a pressure reducing valve high pressure end inlet; 6. a pressure reducing valve low pressure end outlet; 7. a hydrogen cooling tube; 8. an inlet of a hydrogen cooling pipe; 9. a cooling water heat exchange pipe; 10. a low pressure shut-off tube; 11. a hydrogen gas sampling port; 12. a high pressure stop valve outlet nut; 13. a pressure reducing valve low pressure gauge; 14. a pressure reducing valve high pressure gauge; 15. a cold water inlet; 16. and a cold water outlet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Combine figure 1, a safe sampling device for hydrogen compressor high-pressure gas, including high- pressure stop valve 1, 1 lower extreme of high-pressure stop valve is equipped with hydrogen compressor high pressure pipeline 2 rather than the intercommunication, 1 lower extreme one side of high-pressure stop valve is equipped with high-pressure stop valve export 3, 3 departments of high-pressure stop valve export are equipped with relief pressure valve 4, the one end that relief pressure valve 4 is close to high-pressure stop valve export 3 is equipped with relief pressure valve high pressure end entry 5 rather than the connection, the other end that relief pressure valve 4 set up relief pressure valve high pressure end entry 5 is equipped with relief pressure valve low pressure end export 6, 6 departments of relief pressure valve low pressure end export are connected and are equipped with hydrogen cooling pipe 7, be equipped with the hydrogen cooling pipe entry 8 of being connected with relief pressure valve low pressure end export 6 on the hydrogen cooling pipe 7, the last cooling water heat exchange tube 9 that cup joints of hydrogen cooling pipe 7, hydrogen cooling pipe 7 sets up the other end connection of hydrogen cooling pipe entry 8 and is equipped with low pressure and ends pipe 10, the other end that low pressure ends pipe 10 is equipped with hydrogen sample connection 11.
And a high-pressure stop valve outlet nut 12 is arranged at the high-pressure stop valve outlet 3, and the high-pressure stop valve outlet 3 is connected with the high-pressure end inlet 5 of the pressure reducing valve through a high-pressure stop valve outlet nut 12 threaded structure.
And a pressure reducing valve low-pressure gauge 13 is arranged on one side, close to the outlet 6 of the low-pressure end of the pressure reducing valve, of the upper end of the pressure reducing valve 4, and a pressure reducing valve high-pressure gauge 14 is arranged on one side, close to the inlet 5 of the high-pressure end of the pressure reducing valve, of the upper end of the pressure reducing valve 4.
And a cold water inlet 15 communicated with the lower end of the cooling water heat exchange tube 9 is arranged on one side of the lower end of the cooling water heat exchange tube 9 close to the low-pressure stop tube 10, and a cold water outlet 16 communicated with the upper end of the cooling water heat exchange tube 9 close to the hydrogen cooling tube inlet 8 is arranged on one side of the upper end of the cooling water heat exchange tube.
And sealing rings are arranged at the inlet and outlet of the high-pressure stop valve outlet 3, the inlet and outlet of the high-pressure end of the pressure reducing valve 5, the outlet of the low-pressure end of the pressure reducing valve 6, the inlet of the hydrogen cooling pipe 8 and the inlet and outlet of the low-pressure stop pipe 10.
The utility model discloses a theory of operation: this example adopts relief pressure valve 4 to reduce hydrogen pressure to 5Mpa from 20Mpa to adopt high pressure stop valve 1 and low pressure stop valve 10 dual guarantee, reduce the possibility that the high-pressure gas that the maloperation leads to hurts people, because of the "burnt-hot water effect" of hydrogen, this example inserts hydrogen cooling tube 7 behind relief pressure valve 4, makes hydrogen temperature be in safety range all the time, with this safety of ensureing the sampling process, reduces the potential safety hazard that high-pressure gas produced.
When the device is implemented, the sampling steel cylinder is connected with the hydrogen sampling port 11, the hydrogen compressor is connected with the high-pressure pipeline 2 of the hydrogen compressor, and then the connection condition is detected; after the connection part is ensured to be firm, the high-pressure stop valve 1 is opened, high-pressure hydrogen 20Mpa from a compressor sequentially passes through the high-pressure stop valve outlet 3 and the high-pressure stop valve outlet nut 12 to enter the pressure reducing valve 4, the hydrogen pressure is reduced from 20Mpa to 5Mpa through the pressure reducing valve 4, then the decompressed hydrogen enters the hydrogen cooling pipe 7 to be cooled, and the temperature of the decompressed hydrogen can be ensured to be not higher than 70 ℃ through a cooling system consisting of the cooling water inlet 15, the cooling water heat exchange pipe 9 and the cooling water outlet 16; and then observing data of a high-pressure gauge 14 and a low-pressure gauge 13 of the pressure reducing valve, and opening a low-pressure stop valve 10 to fill hydrogen into the sampling steel cylinder after ensuring that the pressure of the hydrogen passing through the pressure reducing valve 4 is within a safety range. After the sampling steel cylinder is filled, the high-pressure stop valve 1 and the low-pressure stop valve 10 are closed in sequence, the sampling steel cylinder is disconnected from the hydrogen sampling port 11, and the sequential sampling process is completed.
The present invention and its embodiments have been described above, but the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. A safe sampling device for high-pressure gas of a hydrogen compressor is characterized in that: including high pressure stop valve (1), high pressure stop valve (1) lower extreme is equipped with hydrogen compressor high pressure pipeline (2) rather than the intercommunication, high pressure stop valve (1) lower extreme one side is equipped with high pressure stop valve export (3), high pressure stop valve export (3) department is equipped with relief pressure valve (4), the one end that relief pressure valve (4) are close to high pressure stop valve export (3) is equipped with relief pressure valve high pressure end entry (5) rather than the connection, the other end that relief pressure valve (4) set up relief pressure valve high pressure end entry (5) is equipped with relief pressure valve low pressure end export (6), relief pressure valve low pressure end export (6) department is connected and is equipped with hydrogen cooling tube (7), be equipped with hydrogen cooling tube entry (8) of being connected with relief pressure valve low pressure end export (6) on hydrogen cooling tube (7), it is equipped with cooling water heat exchange tube (9) to cup joint on hydrogen cooling tube (7), hydrogen cooling tube (7) set up the other end connection that hydrogen cooling tube entry (8) was equipped with low pressure and ends pipe (10), the other end that low pressure ends pipe (10) is equipped with hydrogen sample connection (11).
2. A safety sampling device for high-pressure gas of a hydrogen compressor according to claim 1, characterized in that: high pressure stop valve export (3) department is equipped with high pressure stop valve outlet nut (12), connect through high pressure stop valve outlet nut (12) threaded structure between high pressure stop valve export (3) and relief pressure valve high pressure end entry (5).
3. A safety sampling device for high pressure gas of hydrogen compressor according to claim 1, characterized in that: one side of the upper end of the pressure reducing valve (4) close to the low-pressure end outlet (6) of the pressure reducing valve is provided with a pressure reducing valve low-pressure gauge (13), and one side of the upper end of the pressure reducing valve (4) close to the high-pressure end inlet (5) of the pressure reducing valve is provided with a pressure reducing valve high-pressure gauge (14).
4. A safety sampling device for high-pressure gas of a hydrogen compressor according to claim 1, characterized in that: one side of the lower end of the cooling water heat exchange tube (9) close to the low-pressure stop tube (10) is provided with a cold water inlet (15) communicated with the low-pressure stop tube, and one side of the upper end of the cooling water heat exchange tube (9) close to the hydrogen cooling tube inlet (8) is provided with a cold water outlet (16) communicated with the hydrogen cooling tube inlet.
5. A safety sampling device for high-pressure gas of a hydrogen compressor according to claim 1, characterized in that: sealing rings are arranged at the outlet (3) of the high-pressure stop valve, the inlet (5) of the high-pressure end of the pressure reducing valve, the outlet (6) of the low-pressure end of the pressure reducing valve, the inlet (8) of the hydrogen cooling pipe and the inlet and outlet of the low-pressure stop pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122002771.2U CN218546270U (en) | 2021-08-24 | 2021-08-24 | Safety sampling device for high-pressure gas of hydrogen compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122002771.2U CN218546270U (en) | 2021-08-24 | 2021-08-24 | Safety sampling device for high-pressure gas of hydrogen compressor |
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| Publication Number | Publication Date |
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| CN218546270U true CN218546270U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122002771.2U Active CN218546270U (en) | 2021-08-24 | 2021-08-24 | Safety sampling device for high-pressure gas of hydrogen compressor |
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2021
- 2021-08-24 CN CN202122002771.2U patent/CN218546270U/en active Active
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