CN218381592U - Portable low-temperature safety valve check table supercharger - Google Patents
Portable low-temperature safety valve check table supercharger Download PDFInfo
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- CN218381592U CN218381592U CN202222784227.2U CN202222784227U CN218381592U CN 218381592 U CN218381592 U CN 218381592U CN 202222784227 U CN202222784227 U CN 202222784227U CN 218381592 U CN218381592 U CN 218381592U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to a portable low-temperature safety valve check table supercharger, which comprises a supercharging tank (3) and a supercharging tank piston (5); the pressurization tank piston (5) is arranged in the pressurization tank (3) and is used for isolating a low-temperature medium from an external high-pressure gas source; the low-temperature medium input pipe (1), the low-temperature input stop valve (2), the low-temperature medium output pipe (7), the low-temperature output stop valve (8) and the low-temperature pressure gauge (6); wherein, two ends of one side of the pressurizing tank (3) are respectively connected with a low-temperature medium input pipe (1) and a low-temperature medium output pipe (7); a low-temperature input stop valve (2) and a low-temperature output stop valve (8) are respectively arranged on the low-temperature medium input pipe (1) and the low-temperature medium output pipe (7); an external high-pressure gas source input pipe (4), an external high-pressure gas source output pipe and an external high-pressure gas source emptying valve (9); the two ends of the other side of the pressurizing tank (3) are respectively connected with an external high-pressure gas source input pipe (4) and an external high-pressure gas source output pipe; and an external high-pressure air source emptying valve (9) is arranged on the external high-pressure air source output pipe. The utility model is simple in operation, survey accuracy.
Description
Technical Field
The utility model relates to a low temperature safety valve detects technical field, concretely relates to portable low temperature safety valve check-up table booster.
Background
The low-temperature safety valve is mainly used for low-temperature liquid medium systems such as liquid oxygen (liquid nitrogen, liquid argon) and the like, has the characteristics of free starting, reliable sealing, stable take-off pressure and the like, the setting pressure of the low-temperature safety valve is generally 0.7mpa to 7.0mpa, but the highest pressure of low-temperature gas on the market is not more than 2.88mpa, and most safety valve checking mechanisms can only adopt a common safety valve checking device to check the low-temperature medium and the device without high pressure, so that the safety valve checking mechanism does not accord with the safety technical specification of special equipment. The setting pressure of the safety valve is verified at normal temperature, and the setting pressure does not meet the low-temperature requirement, so that the reliability of the safety valve under the low-temperature condition is difficult to guarantee, and serious potential safety hazards obviously exist.
Therefore, it is obvious that the conventional verification device for a low-temperature safety valve still has inconvenience and defects in structure, method and use, and further improvement is urgently needed. How to create a new low-temperature gas supercharging device of a low-temperature safety valve check table, which is simple in operation and accurate in measurement, becomes an object of great improvement in the industry at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compact structure type, low temperature relief valve check-up platform low temperature gas supercharging device, the device can check-up low temperature relief valve. The low-temperature safety valve off-line detection device provided by the utility model has simple operation and accurate measurement; the problems of insufficient low-temperature pressure and low inspection cost of the conventional low-temperature safety valve calibration device are effectively solved.
The utility model provides a pair of portable low temperature safety valve check-up platform booster, include: the device comprises a booster tank, a booster tank piston, a low-temperature medium input pipe, a low-temperature input stop valve, a low-temperature medium output pipe, a low-temperature output stop valve, a low-temperature pressure gauge, an external high-pressure gas source input pipe, an external high-pressure gas source output pipe and an external high-pressure gas source emptying valve;
wherein the pressure boost tank is a cylindrical tank body; a pressure vessel, in particular a cylindrical mesopore;
the pressurization tank piston is arranged in the pressurization tank and used for isolating a low-temperature medium from an external high-pressure gas source; the piston of the internal pressurizing tank is matched and sealed with the pressurizing tank, and the piston can move up and down in the low-temperature pressurizing tank.
The two ends of one side of the pressurizing tank are respectively connected with a low-temperature medium input pipe and a low-temperature medium output pipe; a low-temperature input stop valve and a low-temperature output stop valve are respectively arranged on the low-temperature medium input pipe and the low-temperature medium output pipe;
the two ends of the other side of the pressure boost tank are respectively connected with an external high-pressure gas source input pipe and an external high-pressure gas source output pipe; and an external high-pressure air source emptying valve is arranged on the external high-pressure air source output pipe.
Preferably, the upper part of the pressurization tank is used for storing the low-temperature medium. Namely, the upper part of the tank body is respectively connected with a low-temperature medium input pipe which is mainly used for inputting a low-temperature medium to the upper part of the piston in the tank. The low-temperature medium output pipe mainly functions to input the pressurized low-temperature medium. The low-temperature medium input pipe is connected with a low-temperature input stop valve for closing the opening and closing of the low-temperature medium. The low-temperature medium output pipe is connected with a low-temperature output stop valve for inputting low-temperature high-pressure medium.
The low-temperature pressure gauge is arranged on one side of the pressurizing tank for storing the low-temperature medium and used for displaying the pressure in the tank and monitoring the pressure in the tank.
Preferably, an external high-pressure air source is stored below the pressurizing tank; namely, an external high-pressure gas source pipe and an external high-pressure gas source emptying valve are connected below the additional tank. The external high-pressure gas source input pipe is used for inputting external high-pressure gas below the piston so as to compress the low-pressure low-temperature medium to high pressure. And the external high-pressure air source emptying valve is arranged below the tank body and is used for emptying the external high-pressure air source to carry out next pressurization.
Drawings
Fig. 1 is a schematic structural diagram of a portable low-temperature safety valve calibration stand supercharger provided by the present invention;
in the figure: 1. a low temperature medium input pipe; 2. a low temperature input stop valve; 3. a booster tank; 4. an external high pressure gas source input pipe; 5. a booster tank piston; 6. a low temperature pressure gauge; 7. a low-temperature medium output pipe; 8. a low temperature output stop valve; 9. an external high-pressure gas source emptying valve.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1
The embodiment provides a portable low temperature safety valve check table booster includes:
a booster tank 3 and a booster tank piston 5; the low-temperature medium output device comprises a low-temperature medium input pipe 1, a low-temperature input stop valve 2, a low-temperature medium output pipe 7, a low-temperature output stop valve 8 and a low-temperature pressure gauge 6; an external high-pressure gas source input pipe 4, an external high-pressure gas source output pipe and an external high-pressure gas source emptying valve 9;
the booster tank piston 5 is arranged in the booster tank 3 and is used for isolating a low-temperature medium from an external high-pressure gas source;
the two ends of one side above the booster tank 3 are respectively connected with a low-temperature medium input pipe 1 and a low-temperature medium output pipe 7; a low-temperature input stop valve 2 and a low-temperature output stop valve 8 are respectively arranged on the low-temperature medium input pipe 1 and the low-temperature medium output pipe 7;
wherein, two ends of one side below the booster tank 3 are respectively connected with an external high-pressure gas source pipe 4 and an external high-pressure gas source output pipe; and an external high-pressure air source emptying valve 9 is arranged on the external high-pressure air source output pipe.
Wherein, low temperature manometer 6 installation pressure boost jar top one side for the internal pressure of monitoring jar.
Referring to the attached drawing 1, firstly, an external high-pressure gas source emptying valve 9 and a low-temperature output medium valve 8 are opened, the low-temperature medium reaches a low-temperature safety valve calibration stand through a low-temperature medium output pipe 7, then a low-temperature medium input valve 2 is opened, a low-temperature medium is filled in a pressurizing tank 3 through a low-temperature medium input pipe 1, low-temperature gas (low-temperature medium) enters the safety valve to simulate a low-temperature field environment, when the temperature of the low-temperature safety valve meets the field environment requirement, the external high-pressure gas source emptying valve 9 and the low-temperature medium input valve 2 are closed, an external high-pressure gas source is opened, the external high-pressure gas source enters the other end of the pressurizing tank 3 through an external high-pressure gas source input pipe 4, the external high-pressure gas extrudes a pressurizing tank piston 5 inside the pressurizing tank 3, one end of the pressure of the low-temperature medium, which is pressurized to be 1.5-3 times of the required calibration low-temperature pressure, and the external high-pressure gas is closed. At this time, the low-temperature check table can be connected to perform high-pressure check of the low-temperature safety valve. And closing after the verification is finished, opening the external high-pressure gas source discharge valve 9 below the low-temperature supercharger until the pressure discharge is finished, and closing the external high-pressure gas source discharge valve 9.
Although the invention has been described in detail with respect to the general description and the specific embodiments and experiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (4)
1. The utility model provides a portable low temperature safety valve check-up table booster which characterized in that includes:
a booster tank (3) and a booster tank piston (5); the pressurization tank piston (5) is arranged in the pressurization tank (3) and is used for isolating a low-temperature medium from an external high-pressure gas source;
the low-temperature medium input pipe (1), the low-temperature input stop valve (2), the low-temperature medium output pipe (7), the low-temperature output stop valve (8) and the low-temperature pressure gauge (6); wherein, two ends of one side of the pressure boost tank (3) are respectively connected with a low-temperature medium input pipe (1) and a low-temperature medium output pipe (7); a low-temperature input stop valve (2) and a low-temperature output stop valve (8) are respectively arranged on the low-temperature medium input pipe (1) and the low-temperature medium output pipe (7);
an external high-pressure gas source input pipe (4), an external high-pressure gas source output pipe and an external high-pressure gas source emptying valve (9); the two ends of the other side of the pressurizing tank (3) are respectively connected with an external high-pressure gas source input pipe (4) and an external high-pressure gas source output pipe; and an external high-pressure air source emptying valve (9) is arranged on the external high-pressure air source output pipe.
2. The portable cryogenic safety valve check bench booster of claim 1, wherein the booster tank (3) is a cylindrical tank body.
3. The portable cryogenic safety valve check bench pressurizer of claim 1, wherein the cryogenic pressure gauge (6) is installed on the side of the pressurizing tank storing the cryogenic medium for monitoring the pressure in the tank.
4. The portable cryogenic safety valve check bench pressurizer of claim 1, wherein the pressurizing tank (3) is used for storing a cryogenic medium at the upper part and storing an external high-pressure gas source at the lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784227.2U CN218381592U (en) | 2022-10-21 | 2022-10-21 | Portable low-temperature safety valve check table supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222784227.2U CN218381592U (en) | 2022-10-21 | 2022-10-21 | Portable low-temperature safety valve check table supercharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218381592U true CN218381592U (en) | 2023-01-24 |
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ID=84931803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222784227.2U Active CN218381592U (en) | 2022-10-21 | 2022-10-21 | Portable low-temperature safety valve check table supercharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218381592U (en) |
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2022
- 2022-10-21 CN CN202222784227.2U patent/CN218381592U/en active Active
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