CN220727938U - High-purity hydrogen high-pressure conveying device - Google Patents
High-purity hydrogen high-pressure conveying device Download PDFInfo
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- CN220727938U CN220727938U CN202322238128.9U CN202322238128U CN220727938U CN 220727938 U CN220727938 U CN 220727938U CN 202322238128 U CN202322238128 U CN 202322238128U CN 220727938 U CN220727938 U CN 220727938U
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- buffer structure
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 109
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 109
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000000872 buffer Substances 0.000 claims abstract description 106
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims description 16
- 239000002737 fuel gas Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 150000002431 hydrogen Chemical class 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002716 delivery method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a high-pressure conveying device for high-purity hydrogen. The device solves the problem that the pressure of hydrogen is difficult to flexibly adjust and separate in the prior art. The hydrogen gas conveying device comprises a high-purity hydrogen conveying pipe, an inlet separator is arranged on the high-purity hydrogen conveying pipe, one end of the high-purity hydrogen conveying pipe is connected with a primary buffer structure, the primary buffer structure is connected with a secondary buffer structure, the secondary buffer structure is connected with a tertiary buffer structure, cooling mechanisms are arranged between the secondary buffer structure and the primary buffer structure and between the secondary buffer structure and the tertiary buffer structure, one end, far away from the secondary buffer structure, of the tertiary buffer structure is connected with the high-purity hydrogen conveying pipe through a hydrogen loop and is connected with a conveying branch line for conveying hydrogen to a user through a plurality of diaphragm compressors or piston compressors. The utility model has the advantages that: the water in the hydrogen can be effectively removed, the output pressure of the hydrogen can be regulated according to the requirement, and the daily use requirement of a user is met.
Description
Technical Field
The utility model relates to the technical field of hydrogen transportation, in particular to a high-pressure transportation device for high-purity hydrogen.
Background
Hydrogen is a clean energy source, has the advantages of wide sources, reproducibility and the like, and in recent years, the industrial development of hydrogen is increasingly emphasized, along with the gradual increase of hydrogen users in chemical industry parks, the demand is increased, in order to improve the economic benefit of enterprises, a plurality of enterprises start to build high-purity hydrogen pressurizing and conveying equipment, develop high-pressure conveying technology research, and convey hydrogen to related enterprises or users in the parks after being pressurized.
Because of the high cost of constructing dedicated hydrogen pipelines, the transportation of hydrogen is mainly carried out by blending in natural gas and utilizing the natural gas pipelines. The mixed conveying mode is easy to cause hydrogen damage of the natural gas pipeline, reduces the service life of the natural gas pipeline and increases the maintenance cost of the pipeline; the energy consumption and difficulty of purifying hydrogen from natural gas are high, and the cost is high; in addition, the existing hydrogen is difficult to meet the hydrogen pressure use requirement of a user, and cannot be effectively separated, so that the use effect is affected.
In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a hydrogen gas delivery system and a hydrogen gas delivery method [ cn202110287093. X ], which includes a first pipe and a second pipe, the second pipe being provided in the first pipe, and the second pipe extending along an extending direction of the first pipe, the second pipe being internally used for delivering hydrogen gas, a delivery space being formed between the first pipe and the second pipe, the delivery space being internally used for delivering fluid resources. The hydrogen transportation method comprises the following steps: delivering hydrogen in the second conduit; delivering a fluid resource within a delivery space between the first conduit and the second conduit; and enabling the pressure of the hydrogen in the second pipeline to be equivalent to the pressure of the fluid resource in the conveying space.
The above-mentioned scheme has solved the hydrogen transportation mode in the prior art and has caused the pipeline damage easily and the big problem of purification degree of difficulty to a certain extent, but this scheme still has a great deal of shortages, for example: the hydrogen pressure use requirement of a user is difficult to be met, the hydrogen cannot be effectively separated, and the use effect is affected.
Disclosure of Invention
The utility model aims to solve the problems and provide a high-pressure conveying device for high-purity hydrogen.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high-purity hydrogen high pressure conveyor, including high-purity hydrogen conveyer pipe, be equipped with the entry separator on the high-purity hydrogen conveyer pipe, high-purity hydrogen conveyer pipe one end is connected with one-level buffer structure, and one-level buffer structure is connected with second grade buffer structure, second grade buffer structure is connected with tertiary buffer structure, and second grade buffer structure and one-level buffer structure, all be equipped with cooling body between the tertiary buffer structure, tertiary buffer structure keeps away from the one end of second grade buffer structure and is connected with high-purity hydrogen conveyer pipe through the hydrogen return circuit and is connected with the transportation branch line that is used for carrying hydrogen to the user through a plurality of diaphragm compressors or piston compressors.
Through newly-increased diaphragm compressor and piston compressor, can carry to the user after the pressurization with high-purity hydrogen, improve enterprise economic benefits to set up primary buffer structure, secondary buffer structure and tertiary buffer structure can effectively maintain the pressure balance of high-purity hydrogen transportation in-process, play whole steady voltage effect to high-purity hydrogen.
In the high-pressure delivery device for the high-purity hydrogen, the rated flow of the membrane compressor is 350NM3/H, and the range of the membrane compressor capable of pressurizing the high-purity hydrogen is 4.2-4.4MPa.
In the high-purity hydrogen high-pressure conveying device, the rated flow rate of the piston compressor is 2500NM3/H, and the high-purity hydrogen conveying pipe is provided with the reciprocating fuel gas compressor connected with the piston compressor in parallel.
In the high-purity hydrogen high-pressure conveying device, the first-stage buffer structure comprises a first-stage air inlet pipeline, a plurality of first-stage inlet buffers connected in series are arranged at the inlet of the first-stage air inlet pipeline, and a first-stage outlet buffer is arranged at the outlet of the first-stage air inlet pipeline.
In the high-purity hydrogen high-pressure conveying device, the first-stage air inlet pipeline is connected with the second-stage buffer structure through the second-stage air conveying pipeline, and the second-stage air conveying pipeline is provided with the first-stage separator.
In the high-purity hydrogen high-pressure conveying device, the secondary buffer structure comprises a secondary air inlet pipeline, a secondary inlet buffer is arranged at the inlet of the secondary air inlet pipeline, and a secondary outlet buffer is arranged at the outlet of the secondary air inlet pipeline.
In the high-purity hydrogen high-pressure conveying device, the secondary air inlet pipeline is connected with the tertiary buffer structure through the tertiary air conveying pipeline, and the tertiary air conveying pipeline is provided with the secondary separator.
In the high-purity hydrogen high-pressure conveying device, the three-stage buffer structure comprises a three-stage air inlet pipeline, a three-stage inlet buffer is arranged at the inlet of the three-stage air inlet pipeline, and a three-stage outlet buffer is arranged at the outlet of the three-stage air inlet pipeline.
In the high-purity hydrogen high-pressure conveying device, the cooling mechanism comprises a cooling water inlet pipe and a cooling water outlet pipe, the cooling water inlet pipe and the cooling water outlet pipe are respectively connected with the compressor, and the compressor is provided with a hydrogen inlet pipe and a hydrogen user pipe.
In the high-pressure delivery device for high-purity hydrogen, the hydrogen loop is provided with a loop cooler.
Compared with the prior art, the utility model has the advantages that:
1. the piston compressor, the diaphragm compressor and the conventional reciprocating fuel gas compressor are newly added to be transformed, so that high-purity hydrogen can be pressurized and then conveyed to users, on one hand, the hydrogen energy industry is better served, and on the other hand, the economic benefit of enterprises can be improved;
2. the pressure stability of the high-purity hydrogen in the conveying process can be effectively maintained, the pressure stabilizing effect is achieved, and the safety is improved;
3. the cooling mechanism can continuously remove the water in the high-purity hydrogen, and the water can be effectively separated by matching the primary separator and the secondary separator, so that the purity of the hydrogen is ensured.
Drawings
FIG. 1 is a high purity hydrogen delivery flow diagram of the present utility model;
FIG. 2 is a partial structural connection block diagram of the present utility model;
in the figure: high purity hydrogen delivery pipe 1, inlet separator 11, primary buffer structure 2, primary inlet line 21, primary inlet buffer 22, primary outlet buffer 23, secondary gas delivery line 24, primary separator 25, secondary buffer structure 3, secondary inlet line 31, secondary inlet buffer 32, secondary outlet buffer 33, tertiary gas delivery line 34, secondary separator 35, tertiary buffer structure 4, tertiary inlet line 41, tertiary inlet buffer 42, tertiary outlet buffer 43, cooling mechanism 5, cooling water inlet line 51, cooling water outlet line 52, compressor 53, hydrogen inlet line 54, hydrogen user line 55, hydrogen circuit 6, circuit cooler 61, diaphragm compressor 7, piston compressor 8, reciprocating fuel gas compressor 81, delivery branch 9.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1-2, a high-purity hydrogen high-pressure conveying device comprises a high-purity hydrogen conveying pipe 1, wherein an inlet separator 11 is arranged on the high-purity hydrogen conveying pipe 1, one end of the high-purity hydrogen conveying pipe 1 is connected with a primary buffer structure 2, the primary buffer structure 2 is connected with a secondary buffer structure 3, the secondary buffer structure 3 is connected with a tertiary buffer structure 4, cooling mechanisms 5 are arranged between the secondary buffer structure 3 and the primary buffer structure 2 and between the secondary buffer structure 4, and one end, far away from the secondary buffer structure 3, of the tertiary buffer structure 4 is connected with the high-purity hydrogen conveying pipe 1 through a hydrogen loop 6 and is connected with a conveying branch line 9 for conveying hydrogen to a user through a plurality of diaphragm compressors 7 or piston compressors 8.
High-purity hydrogen enters through the high-purity hydrogen conveying pipe 1, primary water separation is carried out through the inlet separator 11, pressure stabilization and water separation are carried out through the primary buffer structure 2, the secondary buffer structure 3 and the tertiary buffer structure 4 in sequence in the conveying process, and finally pressure adjustment is carried out through the diaphragm compressor 7 and the piston compressor 8.
Wherein, the rated flow rate of the membrane compressor 7 is 350NM3/H, and the range of the membrane compressor 7 capable of pressurizing the high-purity hydrogen is 4.2-4.4MPa.
The diaphragm compressor 7 here has a pressure boost value of 4.3MPa for high purity hydrogen.
It can be seen that the rated flow rate of the piston compressor 8 is 2500NM3/H, and the high purity hydrogen delivery pipe 1 is provided with a reciprocating fuel gas compressor 81 connected in parallel with the piston compressor 8.
The reciprocating fuel gas compressor 81 and the piston compressor 8 are flexibly switched, i.e. the downstream hydrogen user has a small consumption, the small compressor can be operated, the downstream hydrogen user has a large consumption, the large compressor can be operated, and the switching is flexible.
Obviously, the primary buffer structure 2 comprises a primary air inlet pipeline 21, a plurality of primary inlet buffers 22 connected in series are arranged at the inlet of the primary air inlet pipeline 21, and a primary outlet buffer 23 is arranged at the outlet of the primary air inlet pipeline 21.
A first pressure valve is provided between the primary inlet buffer 22 and the primary outlet buffer 23.
Further, the primary air inlet pipeline 21 is connected with the secondary buffer structure 3 through a secondary air transmission pipeline 24, and a primary separator 25 is arranged on the secondary air transmission pipeline 24.
Further, the secondary buffer structure 3 includes a secondary air inlet pipe 31, a secondary inlet buffer 32 is disposed at an inlet of the secondary air inlet pipe 31, and a secondary inlet buffer 32 is disposed at an outlet of the secondary air inlet pipe 31.
A second pressure valve is arranged between the second-stage inlet buffer 32 and the second-stage inlet buffer 32
Specifically, the secondary air inlet pipeline 31 is connected with the tertiary buffer structure 4 through a tertiary air pipeline 34, and a secondary separator 35 is arranged on the tertiary air pipeline 34.
More specifically, the three-stage buffering structure 4 includes a three-stage intake pipe 41, a three-stage inlet buffer 42 is provided at an inlet of the three-stage intake pipe 41, and a three-stage outlet buffer 43 is provided at an outlet of the three-stage intake pipe 41.
Wherein a third pressure valve is provided between the three stage inlet buffer 42 and the three stage outlet buffer 43.
In detail, the cooling mechanism 5 includes a cooling water inlet pipe 51 and a cooling water outlet pipe 52, the cooling water inlet pipe 51 and the cooling water outlet pipe 52 are respectively connected with a compressor 53, and a hydrogen inlet pipe 54 and a hydrogen user pipe 55 are provided on the compressor 53.
The compressor 53 is any one of the above-described reciprocating fuel gas compressor 81, diaphragm compressor 7, and piston compressor 8.
Preferably, the hydrogen circuit 6 is provided with a circuit cooler 61.
In summary, the principle of this embodiment is as follows: in the hydrogen conveying process, the pressure stabilizing treatment is carried out through the primary buffer structure 2, the secondary buffer structure 3 and the tertiary buffer structure 4, the water is separated through the cooling mechanism 5, the water is separated through the primary separator 25 and the secondary separator 35, and the flexible pressure of the hydrogen output to a user is regulated through the piston compressor 8 or the diaphragm compressor 7, wherein the compressor 43 is flexibly switched according to the user requirement.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms of the high purity hydrogen gas feed pipe 1, the inlet separator 11, the primary buffer structure 2, the primary inlet pipe 21, the primary inlet buffer 22, the primary outlet buffer 23, the secondary gas feed pipe 24, the primary separator 25, the secondary buffer structure 3, the secondary inlet pipe 31, the secondary inlet buffer 32, the secondary outlet buffer 33, the tertiary gas feed pipe 34, the secondary separator 35, the tertiary buffer structure 4, the tertiary inlet pipe 41, the tertiary inlet buffer 42, the tertiary outlet buffer 43, the cooling mechanism 5, the cooling water inlet pipe 51, the cooling water outlet pipe 52, the compressor 53, the hydrogen inlet pipe 54, the hydrogen user pipe 55, the hydrogen circuit 6, the circuit cooler 61, the diaphragm compressor 7, the piston compressor 8, the reciprocating fuel gas compressor 81, the feed branch 9, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a high-purity hydrogen high pressure conveyor, includes high-purity hydrogen conveyer pipe (1), high-purity hydrogen conveyer pipe (1) on be equipped with entry separator (11), its characterized in that, high-purity hydrogen conveyer pipe (1) one end be connected with one-level buffer structure (2), and one-level buffer structure (2) are connected with second grade buffer structure (3), second grade buffer structure (3) be connected with tertiary buffer structure (4), and all be equipped with cooling body (5) between second grade buffer structure (3) and one-level buffer structure (2), tertiary buffer structure (4), one end that second grade buffer structure (3) were kept away from to tertiary buffer structure (4) be connected with high-purity hydrogen conveyer pipe (1) through hydrogen return circuit (6) and be connected with through a plurality of diaphragm compressors (7) or piston compressor (8) and be used for carrying branch line (9) of hydrogen to the user.
2. High-purity hydrogen high-pressure delivery device according to claim 1, characterized in that the nominal flow of the membrane compressor (7) is 350n·m 3 And the membrane compressor (7) can pressurize the high-purity hydrogen in the range of 4.2-4.4MPa.
3. High-purity hydrogen high-pressure delivery device according to claim 1, characterized in that the rated flow of the piston compressor (8) is 2500N-M 3 and/H, the high-purity hydrogen conveying pipe (1) is provided with a reciprocating fuel gas compressor (81) which is connected with the piston compressor (8) in parallel.
4. The high-purity hydrogen high-pressure conveying device according to claim 1, wherein the primary buffer structure (2) comprises a primary air inlet pipeline (21), a plurality of primary inlet buffers (22) connected in series are arranged at the inlet of the primary air inlet pipeline (21), and a primary outlet buffer (23) is arranged at the outlet of the primary air inlet pipeline (21).
5. The high-pressure conveying device for high-purity hydrogen according to claim 4, wherein the primary air inlet pipeline (21) is connected with the secondary buffer structure (3) through a secondary air conveying pipeline (24), and a primary separator (25) is arranged on the secondary air conveying pipeline (24).
6. The high-pressure delivery device for high-purity hydrogen according to claim 1, wherein the secondary buffer structure (3) comprises a secondary air inlet pipeline (31), a secondary inlet buffer (32) is arranged at the inlet of the secondary air inlet pipeline (31), and a secondary outlet buffer (33) is arranged at the outlet of the secondary air inlet pipeline (31).
7. The high-pressure delivery device for high-purity hydrogen according to claim 6, wherein the secondary air inlet pipeline (31) is connected with the tertiary buffer structure (4) through a tertiary air delivery pipeline (34), and the tertiary air delivery pipeline (34) is provided with a secondary separator (35).
8. The high-purity hydrogen high-pressure conveying device according to claim 1, wherein the three-stage buffer structure (4) comprises a three-stage air inlet pipeline (41), a three-stage inlet buffer (42) is arranged at the inlet of the three-stage air inlet pipeline (41), and a three-stage outlet buffer (43) is arranged at the outlet of the three-stage air inlet pipeline (41).
9. The high-purity hydrogen high-pressure conveying device according to claim 1, wherein the cooling mechanism (5) comprises a cooling water inlet pipe (51) and a cooling water outlet pipe (52), the cooling water inlet pipe (51) and the cooling water outlet pipe (52) are respectively connected with the compressor (53), and the compressor (53) is provided with a hydrogen inlet pipe (54) and a hydrogen user pipe (55).
10. The high-pressure delivery device for high-purity hydrogen according to claim 1, wherein the hydrogen loop (6) is provided with a loop cooler (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322238128.9U CN220727938U (en) | 2023-08-18 | 2023-08-18 | High-purity hydrogen high-pressure conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322238128.9U CN220727938U (en) | 2023-08-18 | 2023-08-18 | High-purity hydrogen high-pressure conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727938U true CN220727938U (en) | 2024-04-05 |
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ID=90487346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322238128.9U Active CN220727938U (en) | 2023-08-18 | 2023-08-18 | High-purity hydrogen high-pressure conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727938U (en) |
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2023
- 2023-08-18 CN CN202322238128.9U patent/CN220727938U/en active Active
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