CN217875295U - Cooling pipeline structure suitable for skid-mounted hydrogen filling station - Google Patents
Cooling pipeline structure suitable for skid-mounted hydrogen filling station Download PDFInfo
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- CN217875295U CN217875295U CN202221725961.5U CN202221725961U CN217875295U CN 217875295 U CN217875295 U CN 217875295U CN 202221725961 U CN202221725961 U CN 202221725961U CN 217875295 U CN217875295 U CN 217875295U
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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
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Abstract
The utility model discloses a cooling pipeline structure suitable for skid-mounted formula adds hydrogen station aims at solving the technical problem that prior art cooling pipeline occupation space is big, the integrated level is low. The device comprises a liquid inlet pipeline, a liquid return pipeline, a diffusing pipeline and a sewage discharge pipeline, wherein the liquid inlet pipeline and the liquid return pipeline are vertically arranged in parallel, each of the liquid inlet pipeline and the liquid return pipeline comprises an L-shaped pipeline consisting of a transverse section and a vertical section, and at least two liquid inlet branches or liquid return branches are respectively arranged; a thermometer and a temperature transmitter are arranged on the vertical section of the liquid inlet pipeline; the vertical section pipeline of the liquid return pipeline is provided with a flow switch, a safety valve connected with the relief pipeline and a pressure transmitter; the sewage discharge pipeline comprises a sewage discharge branch which is respectively communicated with the bent positions of the L-shaped liquid inlet pipeline and the liquid return pipeline, and a public sewage discharge pipeline which is connected with the sewage discharge branch and the blow-off pipeline in parallel. The method has the advantages of high space utilization rate, cost saving, high integration level and the like.
Description
Technical Field
The utility model relates to a skid-mounted formula hydrogenation technical field, concretely relates to cooling pipeline structure suitable for skid-mounted formula hydrogenation station.
Background
The hydrogenation station is mainly divided into a skid-mounted hydrogenation station and a fixed open type hydrogenation station. The skid-mounted hydrogenation station integrates all or part of hydrogen pressurization equipment, a hydrogenation machine, a pipeline system, an electrical system, an instrument control system and safety accessories into a skid-mounted box body, so that the skid-mounted hydrogenation station has the advantages of compact equipment, small occupied area and short field construction period. In addition, in view of the high price of the land market, the fixed hydrogenation station causes high land cost and capital cost, so the modularized, high-integration, safe and reliable skid-mounted hydrogenation equipment is more suitable for the market in the early development stage of hydrogen energy.
In the existing cooling system of the skid-mounted hydrogen station, a compressor and a hydrogenation machine respectively use a set of cooling pipeline system, and cooling water pipelines are generally horizontally arranged, so that the occupied space is large, and the integration of the skid-mounted hydrogen station is not facilitated; furthermore, the use of two sets of cooling pipe systems in layout would result in an increase in overall cost.
The information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
In view of at least one of the above technical problems, the present disclosure provides a vertical cooling pipeline suitable for a skid-mounted hydrogen filling station, which achieves reduction of occupied space volume and integrated control of multiple cooling pipelines through vertical layout and arrangement of branch pipelines.
According to one aspect of the disclosure, a cooling pipeline structure suitable for a skid-mounted hydrogen filling station is provided, which comprises a liquid inlet pipeline, a liquid return pipeline, a diffusing pipeline and a sewage discharge pipeline,
the liquid inlet pipeline and the liquid return pipeline are vertically arranged in parallel, each of the liquid inlet pipeline and the liquid return pipeline comprises an L-shaped pipeline consisting of a transverse section and a vertical section, and at least two liquid inlet branches or liquid return branches are respectively arranged;
a thermometer and a temperature transmitter are arranged on the vertical section of the liquid inlet pipeline; the vertical section pipeline of the liquid return pipeline is provided with a flow switch, a safety valve connected with the relief pipeline and a pressure transmitter;
the sewage discharge pipeline comprises a sewage discharge branch which is respectively communicated with the bent positions of the L-shaped liquid inlet pipeline and the liquid return pipeline, and a public sewage discharge pipeline which is connected with the sewage discharge branch and the blow-off pipeline in parallel.
In some embodiments of the present disclosure, flanges for connecting cooling units are respectively disposed at ends of the transverse sections of the liquid inlet pipeline and the liquid return pipeline.
In some embodiments of the present disclosure, the liquid inlet branch comprises a stop valve and a flow meter connected in sequence from the liquid inlet end.
In some embodiments of the present disclosure, each of the liquid inlet branches includes a stop valve, a corresponding flow meter is further disposed in the remaining liquid inlet branches except for one of the liquid inlet branches, and the flow meter is located downstream of the corresponding stop valve.
In some embodiments of the present disclosure, the liquid return branch comprises a flow window inspection device and a ball valve which are connected in sequence from the liquid outlet end.
In some embodiments of the present disclosure, a corresponding ball valve is disposed in each sewage branch.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. due to the adoption of the L-shaped vertical liquid inlet/return pipeline, the compact layout of the pipeline structure is realized, the technical problem of large occupied space caused by the horizontal arrangement of the cooling pipeline in the prior art is effectively solved, the reasonable and full utilization of limited space of the skid-mounted device is realized, the occupied space of the cooling pipeline is reduced, and the skid-mounted device is more compact on the whole.
2. Due to the adoption of the liquid inlet branch and the liquid return branch, the technical problem that the cost is increased due to the fact that a plurality of sets of cooling systems are required to cool different heat exchange devices in the prior art is effectively solved, and the technical effect that one set of cooling system meets the cooling requirements of a plurality of sets of heat exchange devices is achieved, so that the integration level of the system is higher, the occupied space is reduced, and the cost input is reduced.
3. Due to the fact that the design that the diffusing pipeline is connected to the public end of the sewage discharge pipeline is adopted, pipeline arrangement is reasonably optimized, pipeline arrangement distance is reduced, the diffusing port and the sewage discharge port are shared, and the integration level of skid-mounted equipment is further improved.
4. Because the flow switch and the flow window device are arranged, the problem of fault judgment of a multi-channel pipeline is effectively solved, the circulating state of the cooling pipeline can be known through the alarm information of the flow switch, and branches with other circulating faults such as leakage can be judged through the flow window device.
Drawings
Fig. 1 is a schematic structural diagram of a vertical cooling pipeline according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a vertical cooling pipeline according to another embodiment of the present application.
In the above figures, 1 is a liquid inlet pipeline, 2 is a liquid return pipeline, 3 is a diffusing pipeline, 4 is a sewage discharge pipeline, 5 is a thermometer, 6 is a temperature transmitter, 7 is a liquid inlet branch, 8 is a stop valve, 9 is a flowmeter, 10 is a flow switch, 11 is a safety valve, 12 is a pressure transmitter, 13 is a liquid return branch, 14 is a ball valve, and 15 is a flow window device.
Detailed Description
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "level", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application. The term "connected" and "coupled" when used in this application includes both direct and indirect connections (couplings), unless otherwise specified.
The programs referred to or relied on in the following embodiments are all conventional programs or simple programs in the art, and those skilled in the art can make routine selection or adaptation according to specific application scenarios.
The unit modules (components, structures, and mechanisms) and the devices such as sensors in the following examples are all conventional commercial products unless otherwise specified.
For better understanding of the technical solutions of the present application, the technical solutions will be described in detail below with reference to the drawings and specific embodiments.
The embodiment discloses a vertical cooling pipeline suitable for a skid-mounted hydrogen station, which comprises a liquid inlet pipeline, a liquid return pipeline, a diffusing pipeline and a sewage discharging pipeline, and the pipelines are all made of stainless steel, so that the corrosion is prevented, and the service life is prolonged.
The liquid inlet pipeline and the liquid return pipeline are L-shaped pipelines which are erected in parallel and comprise a horizontal pipeline and a vertical pipeline. The horizontal pipeline is used for being connected with the cooling unit, and therefore a flange corresponding to the cooling unit is arranged at the end of the horizontal pipeline.
The L-shaped bending parts of the liquid inlet/return pipelines are connected by adopting a three-way joint, so that the turning from the liquid level pipeline to the vertical pipeline is realized, and then the rest part of pipelines are led into the vertical direction and are distributed in the vertical direction, thereby realizing the full utilization of the vertical space.
In addition, a residual port of the tee joint at the L-shaped bending part of the liquid inlet/return pipeline is respectively connected with a sewage discharge branch, and the sewage discharge branch is positioned at the bottom of the whole cooling pipeline, so that impurities in the cooling pipeline can be discharged more favorably and fully.
Two rows of dirty branch roads insert same public blowdown pipeline respectively, share a drain outlet, increase the integrated level. Wherein, respectively set up one row of dirty ball valves on two rows of dirty branches, close this ball valve when cooling line normal operating, do not influence the coolant liquid circulation, have under the condition that the blowdown needs, open this ball valve again and carry out the blowdown.
The liquid inlet pipeline is vertically provided with a thermometer, a temperature transmitter and a plurality of liquid inlet branches in sequence. In this embodiment, three liquid inlet branches are provided, and are used for cooling the oil path of the compressor, cooling the compressor after cooling, and cooling the compressor before hydrogenation, respectively. The thermometer and the temperature transmitter are respectively connected into the liquid inlet pipeline through the three-way joint, two middle branches of the liquid inlet pipeline are connected into the liquid inlet pipeline through the three-way joint, and the uppermost branch is connected with the liquid inlet pipeline through the elbow. In addition, the thermometer and the temperature transmitter are connected in a public pipeline at the upstream of each liquid inlet branch, so that the liquid inlet temperature can be effectively measured, and a representative basis is provided for each branch. In other embodiments, the liquid inlet pipeline is provided with other numbers of at least two liquid inlet branch pipelines. In other embodiments, the liquid inlet branch at the uppermost part of the liquid inlet pipeline is connected into the liquid inlet pipeline by a tee joint with one closed end, so that the branch can be conveniently expanded in the later period.
Be equipped with stop valve and flowmeter in each feed liquor branch road respectively, the cooling feed liquor passes through stop valve and flowmeter in proper order, and this kind of flow order can effectively guarantee not to produce the interference between each way flowmeter after the stop valve is closed, guarantees measuring precision. The stop valve is used for controlling the on-off of the branch where the stop valve is located, and the flow meter is used for measuring the flow of the branch where the stop valve is located, so that the refrigeration degree is controlled. In other embodiments, any one of the liquid inlet branches is only provided with a stop valve, and the rest of the liquid inlet branches are sequentially provided with the stop valve and a flow meter from the liquid inlet end, as shown in fig. 2, before the cooling system is arranged, the heat exchange requirements of each heat exchange device need to be calculated in advance, and the parameters of the water chilling unit are determined from the heat exchange requirements, therefore, the flow of the liquid inlet branch provided with the flow meter only needs to be adjusted through the stop valve according to the design requirements, and as the supply of the cooling unit is fixed, the branch which is not provided with the flow meter naturally reaches the designed cooling liquid inlet amount after the adjustment of the rest of the branch is finished, therefore, the device is saved, the structure is simplified, and the cost is reduced.
And a flow switch, a safety valve, a pressure transmitter and a plurality of liquid return branches are sequentially arranged on the vertical pipeline of the liquid return pipeline. In this embodiment, three liquid return branches corresponding to the liquid inlet branch in one-to-one correspondence are provided in total to realize circulation of the cooling liquid. The flow switch and the safety valve are respectively connected into the liquid return pipeline through the three-way connector, two ways in the middle of the liquid return pipeline are connected into the liquid return pipeline through the three-way connector, and the branch at the uppermost part is connected with the liquid return pipeline through the elbow.
And each liquid return branch is respectively provided with a ball valve and a flow window device, and the return liquid sequentially passes through the ball valve and the flow window device and then enters a liquid return pipeline. The ball valve is used for controlling the opening and closing degree of a liquid return branch where the ball valve is located, the flow window device is provided with a window for observation, a SG-YL11-1 impeller flow window is adopted in the embodiment, the fluid condition in the pipeline can be observed through the window, and then whether the circulation of the pipeline is obstructed or not can be judged.
And a safety valve arranged in the liquid return pipeline is connected with the bleeding pipeline and used for bleeding when the cooling pipeline has overpressure. The diffusing pipeline is connected into the public sewage discharge pipeline and shares a discharge port with the public sewage discharge pipeline, so that the integration level is further improved, and the pipeline is saved. In addition, the ball valve that sets up in the blowdown branch road can guarantee that the diffusion pipeline that inserts public blowdown pipeline does not influence each blowdown branch road, and the thing of diffusing directly diffuses via public blowdown pipeline.
Although preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present application and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A cooling pipeline structure suitable for a skid-mounted hydrogen filling station comprises a liquid inlet pipeline, a liquid return pipeline, a diffusing pipeline and a sewage discharge pipeline, and is characterized in that,
the liquid inlet pipeline and the liquid return pipeline are vertically arranged in parallel, each of the liquid inlet pipeline and the liquid return pipeline comprises an L-shaped pipeline consisting of a transverse section and a vertical section, and at least two liquid inlet branches or liquid return branches are respectively arranged;
a thermometer and a temperature transmitter are arranged on the vertical section of the liquid inlet pipeline; the vertical section pipeline of the liquid return pipeline is provided with a flow switch, a safety valve connected with the relief pipeline and a pressure transmitter;
the sewage discharge pipeline comprises a sewage discharge branch which is respectively communicated with the bent positions of the L-shaped liquid inlet pipeline and the liquid return pipeline, and a public sewage discharge pipeline which is connected with the sewage discharge branch and the blow-off pipeline in parallel.
2. The cooling pipeline structure suitable for the skid-mounted hydrogen filling station according to claim 1, wherein flanges for connecting cooling units are respectively arranged at the ends of the transverse sections of the liquid inlet pipeline and the liquid return pipeline.
3. The cooling pipeline structure suitable for the skid-mounted hydrogen filling station according to claim 1, wherein the liquid inlet branch comprises a stop valve and a flow meter which are connected in sequence from a liquid inlet end.
4. The cooling pipeline structure suitable for the skid-mounted hydrogen filling station according to claim 1, wherein each of the liquid inlet branches comprises a stop valve, and a corresponding flow meter is further provided in the other liquid inlet branches except one of the liquid inlet branches, and the flow meter is located downstream of the corresponding stop valve.
5. The cooling pipeline structure suitable for the skid-mounted hydrogen filling station according to claim 1, wherein the liquid return branch comprises a flow window device and a ball valve which are connected in sequence from a liquid outlet end.
6. The cooling pipeline structure suitable for the skid-mounted hydrogen filling station according to claim 1, wherein corresponding ball valves are respectively arranged in the sewage discharge branches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221725961.5U CN217875295U (en) | 2022-07-06 | 2022-07-06 | Cooling pipeline structure suitable for skid-mounted hydrogen filling station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221725961.5U CN217875295U (en) | 2022-07-06 | 2022-07-06 | Cooling pipeline structure suitable for skid-mounted hydrogen filling station |
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| Publication Number | Publication Date |
|---|---|
| CN217875295U true CN217875295U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221725961.5U Active CN217875295U (en) | 2022-07-06 | 2022-07-06 | Cooling pipeline structure suitable for skid-mounted hydrogen filling station |
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| CN (1) | CN217875295U (en) |
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2022
- 2022-07-06 CN CN202221725961.5U patent/CN217875295U/en active Active
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