CN215263300U - Pressure relief device for hydrogen generator - Google Patents
Pressure relief device for hydrogen generator Download PDFInfo
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- CN215263300U CN215263300U CN202120278212.1U CN202120278212U CN215263300U CN 215263300 U CN215263300 U CN 215263300U CN 202120278212 U CN202120278212 U CN 202120278212U CN 215263300 U CN215263300 U CN 215263300U
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Abstract
The utility model discloses a pressure relief device for hydrogen generator includes hydrogen generator and gas chromatograph, including pressure relief mechanism and air pressure detection mechanism, the exit end of hydrogen generator is through setting up first pipeline and gas chromatograph's entrance point sealing connection, has set gradually air pressure detection mechanism and three-way valve in hydrogen generator to gas chromatograph's the first pipeline circuit, and another exit end of three-way valve is connected with pressure relief mechanism through setting up the second pipeline, and air pressure detection mechanism's signal output part and pressure relief mechanism's signal input part are connected. The pressure relief mode of the scheme is convenient, the pressure relief efficiency is high, the maintenance work of the hydrogen generator is facilitated, the air leakage condition after the maintenance work is avoided, the pressure relief efficiency can be greatly improved, and the economic benefit is greatly increased.
Description
Technical Field
The utility model belongs to the coker field, more specifically says, the utility model relates to a pressure relief device for hydrogen generator.
Background
Need provide hydrogen to gas chromatograph in the mill, need change drier and active carbon after supplying a period of hydrogen for gas chromatograph at every hydrogen generator, and need carry out the pressure release earlier before changing, and analyst can change drier and active carbon, however the pressure release mode of nature leads to the pressure release time longer, and adopts the mode of unscrewing the nut to carry out the pressure release, can cause the phenomenon of gas leakage, can't be for the stable hydrogen that provides of gas chromatograph. And the nut needs manual time and cost for unscrewing, the loss of an instrument is easily caused, the maintenance frequency and the maintenance cost are improved, and accidents can be caused if the air pressure is too high during pressure relief.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a higher pressure relief device of degree of automation, pressure release efficiency is provided for hydrogen generator.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: including hydrogen generator and gas chromatograph, including pressure release mechanism and atmospheric pressure detection mechanism, the exit end of hydrogen generator is through setting up the entrance point sealing connection of first pipeline and gas chromatograph, has set gradually atmospheric pressure detection mechanism and three-way valve in hydrogen generator to the first pipeline circuit of gas chromatograph, and another exit end of three-way valve is connected with pressure release mechanism through setting up the second pipeline, and the signal output part of atmospheric pressure detection mechanism is connected with pressure release mechanism's signal input part.
According to the pressure relief device for the hydrogen generator, the air pressure detection mechanism is composed of a digital air pressure sensor and a single chip microcomputer module, the inlet end of the digital air pressure sensor is connected with the outlet end of the hydrogen generator through a first pipeline in a flange sealing mode, the outlet end of the digital air pressure sensor is connected with the inlet end of the three-way valve through the first pipeline in a sealing mode, the signal output end of the digital air pressure sensor is connected with the signal input pin of the single chip microcomputer module, and the signal output pin of the single chip microcomputer module is connected with the signal input end of the pressure relief mechanism; the signal output pin of the singlechip module is connected with the signal input end of the pressure relief mechanism through a key switch unit.
According to the pressure relief device for the hydrogen generator, the digital air pressure sensor is composed of an air pressure detection part and a digital signal output part, the hydrogen generator is connected with the inlet end of the air pressure detection part through the first pipeline, and the signal output end of the digital signal output part is connected with the signal input pin of the single chip microcomputer module.
According to the pressure relief device for the hydrogen generator, the three-way valve is provided with a first inlet end, a first outlet end and a second outlet end, and the first pipeline is in flange sealing connection with the inlet end of the gas chromatograph through the first inlet end and the first outlet end; the first pipeline is communicated with the pressure relief mechanism in a sealing mode through the first inlet end and the second outlet end.
The technical scheme provides a pair of pressure relief device for hydrogen generator, pressure relief mechanism is an electric ball valve, first pipeline passes through three-way valve and the sealed intercommunication of electric ball valve, electric ball valve's signal input part with the signal output part of atmospheric pressure detection mechanism is connected.
The technical scheme provides a pressure relief device for a hydrogen generator, electric ball valve comprises electric execution part and ball valve part, the signal input end of electric execution part with the signal output end of air pressure detection mechanism is connected, and the execution end of electric execution part suits with the valve switch of ball valve part.
By adopting the technical scheme, the digital air pressure sensor can know the air pressure value in real time, accidents are avoided occurring when pressure is relieved, the automation degree is high, the pressure relief time and the cost of workers are saved, the pressure relief mode of the device is convenient, the pressure relief efficiency is high, the maintenance work of the hydrogen generator is facilitated, the air leakage condition after the maintenance work is avoided, the pressure relief efficiency can be greatly improved, and the economic benefit is greatly increased.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic view of an automatic pressure relief process of the present invention;
FIG. 3 is a schematic structural view of the electric ball valve of the present invention;
labeled as: 1. a hydrogen generator; 2. a gas chromatograph; 3. a digital barometric sensor; 4. a three-way valve; 5. a first pipeline; 6. a second pipeline; 7. an electric ball valve; 71. an electric actuator; 72. a ball valve portion.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail to explain, by way of example, the shape and structure of the components, the mutual positions and connections between the components, the functions and operating principles of the components, the manufacturing process, and the operation and use method of the components, so as to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.
A pressure relief device for hydrogen generator that fig. 1 shows includes hydrogen generator 1 and gas chromatograph 2, including pressure relief mechanism and pressure detection mechanism, the exit end of hydrogen generator 1 is through setting up the entrance point sealing connection of first pipeline 5 with gas chromatograph 2, pressure detection mechanism and three-way valve 4 have set gradually in the first pipeline 5 circuit of hydrogen generator 1 to gas chromatograph 2, another exit end of three-way valve 4 is connected with pressure relief mechanism through setting up second pipeline 6, the signal output part of pressure detection mechanism is connected with pressure relief mechanism's signal input part.
Fig. 2 is a schematic control flow diagram, in which an air pressure detection mechanism is composed of a digital air pressure sensor 3 and a single chip microcomputer module, an inlet end of the digital air pressure sensor 3 is connected with an outlet end of the hydrogen generator 1 through a first pipeline 5 by a flange seal, an outlet end of the digital air pressure sensor 3 is connected with an inlet end of a three-way valve 4 through the first pipeline 5 by a seal, a signal output end of the digital air pressure sensor 3 is connected with a signal input pin of the single chip microcomputer module, and a signal output pin of the single chip microcomputer module is connected with a signal input end of a pressure relief mechanism; the signal output pin of the singlechip module is connected with the signal input end of the pressure relief mechanism through a key switch unit. The single chip microcomputer is provided with an air pressure threshold value, and the single chip microcomputer automatically sends a control signal to an electric execution part 71 of the electric ball valve 7 when the air pressure threshold value is higher than the air pressure threshold value.
The digital air pressure sensor 3 is composed of an air pressure detection part and a digital signal output part, the hydrogen generator 1 is connected with the inlet end of the air pressure detection part through a first pipeline 5, and the signal output end of the digital signal output part is connected with the signal input pin of the single chip microcomputer module.
The three-way valve 4 is provided with a first inlet end, a first outlet end and a second outlet end, and the first pipeline 5 is in flange sealing connection with the inlet end of the gas chromatograph 2 through the first inlet end and the first outlet end; the first pipeline 5 is in sealed communication with the pressure relief mechanism through a first inlet end and a second outlet end.
The pressure relief mechanism is an electric ball valve 7, the first pipeline 5 is communicated with the electric ball valve 7 in a sealing mode through a three-way valve 4, and the signal input end of the electric ball valve 7 is connected with the signal output end of the air pressure detection mechanism.
The electric ball valve 7 shown in fig. 3 is composed of an electric actuator 71 and a ball valve part 72, wherein the signal input end of the electric actuator 71 is connected with the signal output end of the air pressure detection mechanism, and the actuator of the electric actuator 71 is adapted to the valve switch of the ball valve part 72.
When the hydrogen generator 1 needs to be maintained, the electric ball valve 7 can be directly and manually opened through a key switch unit of the singlechip module to release pressure, then the hydrogen generator is maintained, when the air pressure of the hydrogen generator 1 is too high, once the air pressure reaches a critical value, the singlechip receives a digital signal and controls the electric ball valve 7 to be opened through an electric signal to release the pressure, and therefore the whole hydrogen supply process can be safely operated.
By adopting the technical scheme, the digital air pressure sensor can know the air pressure value in real time, accidents are avoided occurring when pressure is relieved, the automation degree is high, the pressure relief time and the cost of workers are saved, the pressure relief mode of the device is convenient, the pressure relief efficiency is high, the maintenance work of the hydrogen generator is facilitated, the air leakage condition after the maintenance work is avoided, the pressure relief efficiency can be greatly improved, and the economic benefit is greatly increased.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (6)
1. The utility model provides a pressure relief device for hydrogen generator, includes hydrogen generator and gas chromatograph, its characterized in that: the hydrogen generator comprises a pressure relief mechanism and a pressure detection mechanism, wherein the outlet end of the hydrogen generator is hermetically connected with the inlet end of the gas chromatograph through a first pipeline, the pressure detection mechanism and a three-way valve are sequentially arranged in the first pipeline from the hydrogen generator to the gas chromatograph, the other outlet end of the three-way valve is connected with the pressure relief mechanism through a second pipeline, and the signal output end of the pressure detection mechanism is connected with the signal input end of the pressure relief mechanism.
2. A pressure relief device for a hydrogen generator as set forth in claim 1, wherein: the pressure detection mechanism consists of a digital pressure sensor and a single chip microcomputer module, a flange is arranged at the inlet end of the digital pressure sensor and is in sealing connection with the outlet end of the hydrogen generator through the first pipeline, the outlet end of the digital pressure sensor is in sealing connection with the inlet end of the three-way valve through the first pipeline, the signal output end of the digital pressure sensor is connected with the signal input pin of the single chip microcomputer module, and the signal output pin of the single chip microcomputer module is connected with the signal input end of the pressure relief mechanism; the signal output pin of the singlechip module is connected with the signal input end of the pressure relief mechanism through a key switch unit.
3. A pressure relief device for a hydrogen generator as set forth in claim 2, wherein: the digital air pressure sensor comprises an air pressure detection part and a digital signal output part, the hydrogen generator is connected with the inlet end of the air pressure detection part through the first pipeline, and the signal output end of the digital signal output part is connected with the signal input pin of the single chip microcomputer module.
4. A pressure relief device for a hydrogen generator as set forth in claim 1, wherein: the three-way valve is provided with a first inlet end, a first outlet end and a second outlet end, and the first pipeline is in flange sealing connection with the inlet end of the gas chromatograph through the first inlet end and the first outlet end; the first pipeline is communicated with the pressure relief mechanism in a sealing mode through the first inlet end and the second outlet end.
5. A pressure relief device for a hydrogen generator as set forth in claim 1, wherein: the pressure relief mechanism is an electric ball valve, the first pipeline is communicated with the electric ball valve in a sealing mode through the three-way valve, and the signal input end of the electric ball valve is connected with the signal output end of the air pressure detection mechanism.
6. The pressure relief device for a hydrogen generator according to claim 5, wherein: the electric ball valve is composed of an electric execution part and a ball valve part, the signal input end of the electric execution part is connected with the signal output end of the air pressure detection mechanism, and the execution end of the electric execution part is adapted to the valve switch of the ball valve part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278212.1U CN215263300U (en) | 2021-02-01 | 2021-02-01 | Pressure relief device for hydrogen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278212.1U CN215263300U (en) | 2021-02-01 | 2021-02-01 | Pressure relief device for hydrogen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215263300U true CN215263300U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120278212.1U Active CN215263300U (en) | 2021-02-01 | 2021-02-01 | Pressure relief device for hydrogen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215263300U (en) |
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2021
- 2021-02-01 CN CN202120278212.1U patent/CN215263300U/en active Active
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