CN217816235U - Unload hydrogen post hydrogen recovery system - Google Patents
Unload hydrogen post hydrogen recovery system Download PDFInfo
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- CN217816235U CN217816235U CN202221515503.9U CN202221515503U CN217816235U CN 217816235 U CN217816235 U CN 217816235U CN 202221515503 U CN202221515503 U CN 202221515503U CN 217816235 U CN217816235 U CN 217816235U
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- hydrogen
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- buffer tank
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- recovery system
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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
- Y02E60/32—Hydrogen storage
Abstract
The utility model discloses a hydrogen discharging column hydrogen recovery system, which comprises a hydrogen buffer tank, a compressor and at least one hydrogen discharging column, wherein each hydrogen discharging column is communicated with a bleeding hole leading to the outside through a first switch valve; each hydrogen discharging column is communicated with a hydrogen cache tank through a second switch valve, an outlet of the hydrogen cache tank is communicated with a compressor through a pressurizing and conveying pipeline, and the compressor pressurizes hydrogen and conveys the hydrogen to a hydrogen storage cylinder group or other available devices in the station. The utility model discloses can be so that to diffuse in hydrogen gets into hydrogen buffer tank, hydrogen buffer tank plays the effect of buffering and temporary storage, after hydrogen of collecting in hydrogen buffer tank reaches an amount, start-up compressor pressurizes the hydrogen of collecting, carry in the station hydrogen storage bottle group or other utilizable devices, carry out reuse to the hydrogen of diffusing of unloading the hydrogen post, hydrogen gathering after can avoiding diffusing simultaneously is in the hydrogenation ceiling of standing and forms the potential safety hazard.
Description
Technical Field
The utility model belongs to the technical field of the new forms of energy, concretely relates to unload hydrogen post hydrogen recovery system.
Background
The hydrogen energy is taken as novel clean energy, and is more and more taken into consideration, and in recent years, the application quantity of the hydrogen energy is more and more, and the increase of a hydrogen station is also more and more rapid. At the present stage, the gas source of the hydrogen station mainly takes compressed hydrogen as a main part, the hydrogen pressurized to 5-20MPa is transported to the hydrogen station from an upstream hydrogen production plant by a tube bundle vehicle, and the hydrogen unloading process is that the hydrogen station firstly adopts a hydrogen unloading column to unload the hydrogen to a compressor for pressurization, and then the pressurized hydrogen is stored in a hydrogen storage bottle on the station for the fuel cell vehicle to fill.
The existing hydrogen discharging column generally has the following problems:
1. the diffused hydrogen of the hydrogen discharging column can not be utilized, so that energy waste is caused;
2. because the density of the hydrogen is lower than that of the air, the diffused hydrogen is easy to gather in the ceiling of the hydrogenation station, and potential safety hazards are formed.
In view of the foregoing, a new technique is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a unload hydrogen post hydrogen recovery system for solve the above-mentioned problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hydrogen unloading column hydrogen recovery system comprises a hydrogen cache tank, a compressor and at least one hydrogen unloading column, wherein each hydrogen unloading column is communicated with a bleeding hole communicated with the outside through a first switch valve; each hydrogen discharging column is communicated with a hydrogen cache tank through a second switch valve, an outlet of the hydrogen cache tank is communicated with a compressor through a pressurizing and conveying pipeline, and the compressor pressurizes hydrogen and conveys the hydrogen to a hydrogen storage cylinder group or other available devices in the station.
As an optimized technical scheme in the utility model, the bottom of hydrogen buffer tank is provided with the blowoff valve.
In above-mentioned preferred technical scheme, the accessible opens the blowoff valve regularly and carries out blowdown cleaning work to hydrogen buffer tank, and then guarantees hydrogen buffer tank's normal use.
As a preferred technical scheme of the utility model, hydrogen buffer memory jar's air inlet is provided with the check valve, and every second ooff valve all communicates hydrogen buffer memory jar through the check valve.
In above-mentioned preferred technical scheme, every second ooff valve all communicates hydrogen buffer tank through the check valve, and then makes the hydrogen that diffuses that unloads hydrogen post exhaust can be stable get into in the hydrogen buffer tank, prevents the hydrogen refluence of diffusing in the hydrogen buffer tank.
As an optimal technical scheme in the utility model, unload hydrogen post hydrogen recovery system still include first concentrated pipeline, every unloads hydrogen post and all concentrates pipeline through the second ooff valve intercommunication is first, the air inlet of pipeline intercommunication hydrogen buffer tank is first concentrated, the check valve sets up on the first concentrated pipeline before the air inlet of hydrogen buffer tank.
In the above preferred technical scheme, the first centralized conveying pipeline is used as the centralized conveying pipeline, all the diffused hydrogen discharged from the hydrogen discharging columns can be conveyed to the hydrogen cache tank in a centralized manner through the first centralized conveying pipeline, so that the arrangement of pipelines is reduced, the equipment of one-way valves can be reduced, and the cost is reduced.
As an optimized technical scheme in the utility model, the second ooff valve is manual ball valve.
As an optimal technical scheme in the utility model, unload hydrogen post hydrogen recovery system still include that the second concentrates pipeline, every unloads hydrogen post and all concentrates pipeline through first ooff valve intercommunication second, the second concentrates pipeline intercommunication and releases the mouth.
In above-mentioned preferred technical scheme, every unloads hydrogen post and all concentrates the pipeline through first ooff valve intercommunication second, and the mouth is dispersed in the pipeline intercommunication is concentrated to the second, and then can concentrate the pipeline through the second and concentrate the pipeline and concentrate the emission to diffusing hydrogen, reduces the setting of pipeline, practices thrift the cost.
As an optimized technical scheme in the utility model, the upper portion of hydrogen buffer tank is provided with the relief valve, and the mouth is dispersed in the export intercommunication of relief valve.
In the above preferred technical scheme, when the pressure of the hydrogen in the gas collection tank reaches a predetermined value, the safety valve at the upper part of the hydrogen buffer tank 5 is opened, and the pressure can be released through the release port.
As an optimized technical scheme in the utility model, first ooff valve is manual ball valve.
Has the advantages that: in the utility model, each hydrogen discharging column is communicated with a bleeding hole leading to the outside through the first switch valve, the basic hydrogen bleeding function is kept, and meanwhile, the pressure relief is carried out through the hydrogen conveying to the bleeding hole through the first switch valve; every unload hydrogen post and all communicate hydrogen buffer tank through the second ooff valve, make and unload the hydrogen post and get into the recovery pipeline through the second ooff valve, and then make and diffuse hydrogen and get into and save in the hydrogen buffer tank, and the hydrogen buffer tank plays buffering and temporary storage's effect, the export of hydrogen buffer tank is through pressurization pipeline intercommunication compressor, after the hydrogen that collects in the hydrogen buffer tank reaches a quantitative, start the compressor and pressurize the hydrogen of collecting, in order to reach the standard that can reuse, then carry to and store up in the hydrogen storage bottle group or other available devices in the station, carry out reuse to the hydrogen of unloading the hydrogen post that diffuses, hydrogenation station operator's economic benefits has been improved, can avoid the hydrogen gathering after diffusing in the hydrogenation station ceiling and form the potential safety hazard simultaneously, moreover, this unload hydrogen post hydrogen recovery system of hydrogen has remain the original function of diffusing of unloading the hydrogen post, if need diffuse, then open first ooff valve under the circumstances of closing the second ooff valve, get into the external world through diffusing the mouth.
Drawings
Fig. 1 is a system structure diagram of the present invention.
In the figure: 1-hydrogen discharging column; 2-a second on-off valve; 3-a first on-off valve; 4-a one-way valve; 5-hydrogen buffer tank; 6, a compressor; 7-a safety valve; 8-a dispensing opening; 9-a blowdown valve.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Example (b):
as shown in fig. 1, the present embodiment provides a hydrogen unloading column hydrogen recovery system, which includes a hydrogen buffer tank 5, a compressor 6 and at least one hydrogen unloading column 1, where each hydrogen unloading column 1 is communicated with a bleeding port 8 leading to the outside through a first switch valve 3, so as to retain a basic hydrogen bleeding function, and perform pressure relief through hydrogen transportation to the bleeding port 8 through the first switch valve 3; every unload hydrogen post 1 and all communicate hydrogen buffer tank 5 through second ooff valve 2, make unload hydrogen post 1 and get into the recovery pipeline through second ooff valve 2, and then make the diffusion hydrogen get into and store in hydrogen buffer tank 5, and hydrogen buffer tank 5 plays the effect of buffering and temporary storage, the export of hydrogen buffer tank 5 communicates compressor 6 through the pressurization pipeline, compressor 6 carries hydrogen after the pressurization to the indoor hydrogen storage bottle group or other available devices, after the hydrogen that collects in hydrogen buffer tank 5 reaches a certain amount, start compressor 6 and pressurize the hydrogen of collecting, carry in the indoor hydrogen storage bottle group or other available devices, carry out reuse to the diffusion hydrogen of unloading the hydrogen post, the economic benefits of hydrogenation station operator has been improved, can avoid the hydrogen after the diffusion to gather and form the potential safety hazard in the hydrogenation station ceiling simultaneously, moreover, this unload hydrogen post hydrogen recovery system has kept the original diffusion function of unloading the hydrogen post, if need to diffuse, then open first ooff valve 3 under the circumstances of closing second ooff valve 2, it gets into through external world diffusion mouth 8.
It should be noted that, preferably, in practice, the gas outlet of each hydrogen discharging column 1 is provided with a three-way pipe, the three-way pipe comprises a gas inlet and two gas outlets, the gas inlet of the three-way pipe is communicated with the gas outlet of the hydrogen discharging column 1, and the two gas outlets of the three-way pipe are respectively communicated with the first switch valve 3 and the second switch valve 2, so that two pipelines do not need to be separately arranged to be respectively communicated with the first switch valve 3 and the second switch valve 2, and the connection is more convenient and simpler.
In the utility model, each hydrogen discharging column 1 is communicated with a diffusing port 8 leading to the outside through a first switch valve 3, the basic hydrogen diffusing function is kept, and meanwhile, the pressure can be released through the hydrogen conveying to the diffusing port 8 through the first switch valve 3; every unload hydrogen post 1 and all communicate hydrogen buffer tank 5 through second ooff valve 2, make unload hydrogen post 1 and get into the recovery pipeline through second ooff valve 2, and then make the diffused hydrogen enter into hydrogen buffer tank 5 and store, and hydrogen buffer tank 5 plays the effect of buffering and temporary storage, the export of hydrogen buffer tank 5 communicates compressor 6 through the pressurization pipeline, after the hydrogen that collects in hydrogen buffer tank 5 reaches a certain amount, start compressor 6 and pressurize the hydrogen that collects, in order to reach the standard that can reuse, then carry to the station in hydrogen storage group or other available devices, carry out reuse to the diffused hydrogen of unloading the hydrogen post, can avoid the hydrogen after diffusing to gather in the hydrogenation station and form the potential safety hazard simultaneously, moreover, this unload hydrogen post hydrogen recovery system has remain the original diffusion function of unloading the hydrogen post, if need to diffuse, then open first ooff valve 3 under the circumstances that closes second ooff valve 2, get into the external world through diffusion mouth 8.
As a preferred embodiment in this embodiment, it should be further described that a blowdown valve 9 is disposed at the bottom of the hydrogen buffer tank 5, and the blowdown valve 9 can be periodically opened to perform blowdown cleaning operation on the hydrogen buffer tank 5, so as to ensure normal use of the hydrogen buffer tank 5.
As a preferred embodiment in this embodiment, it should be further explained that the air inlet of the hydrogen buffer tank 5 is provided with a one-way valve 4, and each second switch valve 2 is communicated with the hydrogen buffer tank 5 through the one-way valve 4, so that the diffused hydrogen discharged from the hydrogen discharging column 1 can stably enter the hydrogen buffer tank 5, thereby preventing the diffused hydrogen in the hydrogen buffer tank 5 from flowing backwards, and further avoiding potential safety hazards that may be caused.
As a preferred embodiment in this embodiment, it needs to be further explained that the hydrogen discharging column hydrogen recovery system further includes a first centralized conveying pipeline, each hydrogen discharging column 1 is communicated with the first centralized conveying pipeline through the second switch valve 2, the first centralized conveying pipeline is communicated with the air inlet of the hydrogen cache tank 5, the check valve 4 is disposed on the first centralized conveying pipeline in front of the air inlet of the hydrogen cache tank 5, the first centralized conveying pipeline is used as a centralized conveying pipeline, all the released hydrogen discharged from the hydrogen discharging columns 1 can be conveyed to the hydrogen cache tank 5 in a centralized manner through the first centralized conveying pipeline, the arrangement of pipelines is reduced, meanwhile, the devices of the check valve 4 can also be reduced, and the cost is reduced.
As a preferred implementation scheme in this embodiment, it needs to be further explained that the second on-off valve 2 is a manual ball valve. The manual ball valve is a novel ball valve category, has some advantages unique to the structure of the manual ball valve, such as no friction of a switch, difficult abrasion of sealing, small opening and closing torque, capability of reducing the specification of a matched actuator, capability of realizing adjustment and tight cutting-off of a medium by matching with a multi-turn electric actuating mechanism, simple structure and convenient operation and maintenance.
As a preferred embodiment in this embodiment, it needs to be further described that the hydrogen unloading column hydrogen recovery system further includes a second centralized conveying pipeline, each hydrogen unloading column 1 is communicated with the second centralized conveying pipeline through a first switch valve 3, and the second centralized conveying pipeline is communicated with the release port 8, so that the released hydrogen can be discharged in a centralized manner through the second centralized conveying pipeline, the arrangement of pipelines is reduced, and the cost is saved.
As a preferred embodiment in this embodiment, it should be further noted that a safety valve 7 is disposed at an upper portion of the hydrogen buffer tank 5, an outlet of the safety valve 7 is communicated with a release port 8, when the pressure of the hydrogen in the gas collection tank 5 reaches a predetermined value, the safety valve 7 at the upper portion of the hydrogen buffer tank 5 is opened, and pressure can be released through the release port 8, thereby avoiding a potential safety hazard caused by too large pressure in the hydrogen buffer tank 5. It should be noted that when a second centralized delivery pipe is provided, the outlet of the safety valve 7 can be communicated with the second centralized delivery pipe, and centralized discharge is performed through the second centralized delivery pipe. It should be noted that, in practice, a pressure gauge is also arranged on the hydrogen buffer tank 5, so that the pressure in the hydrogen buffer tank 5 can be observed in real time, and the safety production is ensured.
As a preferred embodiment in this embodiment, it should be further explained that the first on-off valve 3 is a manual ball valve. The manual ball valve is a novel ball valve category, has some advantages unique to the structure of the manual ball valve, such as no friction of a switch, difficult abrasion of sealing, small opening and closing torque, capability of reducing the specification of a matched actuator, capability of realizing adjustment and tight cutting-off of a medium by matching with a multi-turn electric actuating mechanism, simple structure and convenient operation and maintenance.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A hydrogen unloading column hydrogen recovery system is characterized by comprising a hydrogen cache tank (5), a compressor (6) and at least one hydrogen unloading column (1), wherein each hydrogen unloading column (1) is communicated with a bleeding hole (8) communicated with the outside through a first switch valve (3); every unload hydrogen post (1) and all communicate hydrogen buffer tank (5) through second ooff valve (2), and the export of hydrogen buffer tank (5) is through pressurization pipeline intercommunication compressor (6), and compressor (6) carry hydrogen storage bottle group to the station after the pressurization.
2. A hydrogen unloading column hydrogen recovery system as claimed in claim 1, wherein the bottom of the hydrogen buffer tank (5) is provided with a blowoff valve (9).
3. A hydrogen discharging column hydrogen recovery system as claimed in claim 1, wherein the inlet of the hydrogen buffer tank (5) is provided with a one-way valve (4), and each second switch valve (2) is communicated with the hydrogen buffer tank (5) through the one-way valve (4).
4. A hydrogen discharging column hydrogen recovery system as claimed in claim 3, wherein the hydrogen discharging column hydrogen recovery system further comprises a first centralized conveying pipeline, each hydrogen discharging column (1) is communicated with the first centralized conveying pipeline through a second switch valve (2), the first centralized conveying pipeline is communicated with an air inlet of the hydrogen cache tank (5), and the check valve (4) is arranged on the first centralized conveying pipeline in front of the air inlet of the hydrogen cache tank (5).
5. A hydrogen unloading column hydrogen recovery system as claimed in any one of claims 1 to 4, wherein the second switch valve (2) is a manual ball valve.
6. The hydrogen unloading column hydrogen recovery system as claimed in claim 1, further comprising a second centralized delivery pipeline, wherein each hydrogen unloading column (1) is communicated with the second centralized delivery pipeline through the first switch valve (3), and the second centralized delivery pipeline is communicated with the release port (8).
7. A hydrogen discharging column hydrogen recovery system as claimed in claim 1 or 6, wherein the upper part of the hydrogen buffer tank (5) is provided with a safety valve (7), and the outlet of the safety valve (7) is communicated with the dispersion port (8).
8. A hydrogen unloading column hydrogen recovery system as claimed in claim 1 or 6, wherein the first switch valve (3) is a manual ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221515503.9U CN217816235U (en) | 2022-06-14 | 2022-06-14 | Unload hydrogen post hydrogen recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221515503.9U CN217816235U (en) | 2022-06-14 | 2022-06-14 | Unload hydrogen post hydrogen recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217816235U true CN217816235U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221515503.9U Active CN217816235U (en) | 2022-06-14 | 2022-06-14 | Unload hydrogen post hydrogen recovery system |
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| CN (1) | CN217816235U (en) |
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2022
- 2022-06-14 CN CN202221515503.9U patent/CN217816235U/en active Active
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