CN218674287U - Oxygen pressure reducer burning explosion test equipment - Google Patents
Oxygen pressure reducer burning explosion test equipment Download PDFInfo
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- CN218674287U CN218674287U CN202223297686.4U CN202223297686U CN218674287U CN 218674287 U CN218674287 U CN 218674287U CN 202223297686 U CN202223297686 U CN 202223297686U CN 218674287 U CN218674287 U CN 218674287U
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Abstract
The application discloses an oxygen pressure reducer burning explosion test device, belongs to the field of pressure instruments, and solves the problem that in the prior art, when an oxygen pressure reducer burning explosion test is carried out, the personal safety of operators is difficult to guarantee when the oxygen pressure reducer is ignited and exploded; gas discharged from the gas supply end of the gas source is heated by water tank type gas heating equipment and then is conveyed to the gas inlet end of the tested pressure reducer; the explosion-proof bin is a metal box body with a closable opening, and the tested pressure reducer is arranged in the explosion-proof bin; and a gas pipeline at the gas inlet end of the tested pressure reducer penetrates through the side wall of the explosion-proof bin and is fixed with the side wall of the explosion-proof bin in a sealing way. The technical scheme of this application sets up safety protection measure, guarantees operating personnel's personal safety when oxygen pressure reducer fires the fire and explodes.
Description
Technical Field
The utility model relates to an oxygen pressure reducer fires test equipment belongs to the pressure instrument field.
Background
The oxygen pressure reducer is generally a pressure reducing device for bottled gas, and has a great difference because high pressure is not required during welding and gas cutting, and the pressure stored in a steel cylinder is very high. In order to adjust the high-pressure gas in the steel cylinder to the low pressure during working and keep the low pressure stable during use, a gas pressure reducer is used, and when the inlet pressure and the outlet flow are changed, the outlet pressure is ensured to be always kept stable. Rising low pressure meter readings may indicate potential danger and potential hazards.
The oxygen pressure reducer needs to be subjected to an explosion safety test before leaving a factory so as to verify whether the oxygen pressure reducer can generate fire or be damaged in the similar burning process in the using process. Oxygen pressure reducer has probably to take place to fire and explode when exploding the experiment, and current oxygen pressure reducer explodes test device and directly places the oxygen pressure reducer on the laboratory bench face, is difficult to guarantee operating personnel's personal safety when oxygen pressure reducer fires and explodes.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides an oxygen pressure reducer fires test equipment sets up safety protection measure, guarantees operating personnel's personal safety when oxygen pressure reducer fires to fire and explodes.
The technical scheme adopted by the utility model is that the explosion test equipment of the oxygen pressure reducer comprises a tested pressure reducer, an air source and a water tank type gas heating device; the water tank type gas heating equipment is constructed between the gas supply end of the gas source and the gas inlet end of the tested pressure reducer; gas discharged from the gas supply end of the gas source is heated by water tank type gas heating equipment and then is conveyed to the gas inlet end of the tested pressure reducer;
the oxygen pressure reducer explosion test equipment also comprises an explosion-proof bin, wherein the explosion-proof bin is a metal box body with a closable opening, and the measured pressure reducer is arranged in the explosion-proof bin; and a gas pipeline at the gas inlet end of the tested pressure reducer penetrates through the side wall of the explosion-proof bin and is fixed with the side wall of the explosion-proof bin in a sealing manner.
Preferably, in the oxygen pressure reducer blasting test equipment, the gas pipeline between the gas supply end of the gas source and the gas inlet end of the tested pressure reducer comprises a gas pipeline I and a gas pipeline II; the inside heating pipeline and the water tank box that have back the font of water tank formula gas heating equipment, heating pipeline found in the water tank box, and heating pipeline's inlet end communicates through the air feed end of air supply with gas pipeline one, and heating pipeline's exhaust end communicates through the inlet end of gas pipeline two with the pressure reducer under test.
Preferably, the second middle section of the gas pipeline of the oxygen pressure reducer explosion test equipment is provided with a check valve only allowing gas to flow from the water tank type gas heating equipment to the tested pressure reducer.
Preferably, the oxygen pressure reducer blasting test equipment has an exhaust pipeline in the middle section of the second gas pipeline, one end of the exhaust pipeline is communicated with the second gas pipeline, and the other end of the exhaust pipeline is connected with a normally closed exhaust valve.
Preferably, the oxygen pressure reducer explosion test equipment further comprises a pressure sensor, and the pressure detection end of the pressure sensor is positioned in the explosion-proof bin; and the control output end of the pressure sensor is electrically connected with the control input end of the exhaust valve.
Preferably, the oxygen pressure reducer burning explosion test equipment further comprises an exhaust end sealing valve, the exhaust end sealing valve is a normally closed valve, and the exhaust end sealing valve is connected to the exhaust end of the tested pressure reducer.
Preferably, the tested pressure reducer is provided with an exhaust pressure detection end, the exhaust pressure detection end of the tested pressure reducer is connected with a low-pressure detection pressure gauge, the exhaust end of the water tank type gas heating equipment is connected with a locking valve, and the control output end of the low-pressure detection pressure gauge is electrically connected with the control input end of the locking valve.
The beneficial effect of this application lies in:
in the technical scheme of this application, when blasting the experiment, will be surveyed the pressure reducer and place in explosion-proof storehouse, when taking place to blast in being surveyed pressure reducer test process, will be surveyed the blasting control of pressure reducer inside explosion-proof storehouse through explosion-proof storehouse to protection operating personnel's personal safety.
Through setting up the check valve, prevent that the high-pressure high hot gas when being surveyed the pressure reducer blasting from flowing backward, avoid the condition of tempering to take place, further guarantee experimental safe type.
Drawings
Fig. 1 is a schematic structural diagram of the present application.
Detailed Description
The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
As shown in the figure, the utility model relates to an oxygen pressure reducer fires test equipment, including being surveyed pressure reducer 1, air supply 2, the gaseous firing equipment of water tank formula, explosion-proof storehouse 4.
The water tank type gas heating device is constructed between the gas supply end of the gas source 2 and the gas inlet end of the tested pressure reducer 1. The gas discharged from the gas supply end of the gas source 2 is heated by the water tank type gas heating equipment and then is conveyed to the gas inlet end of the tested pressure reducer 1.
The pressure reducer 1 to be tested is arranged in the explosion-proof bin 4, and a gas pipeline at the gas inlet end of the pressure reducer 1 to be tested penetrates through the side wall of the explosion-proof bin 4 and is fixed with the side wall of the explosion-proof bin 4 in a sealing mode. The explosion-proof bin 4 is a metal box body with a closable opening, the explosion-proof bin 4 is a rectangular box body welded by steel plates, the explosion-proof bin 4 is provided with an opening, a cabinet door formed by welding the steel plates is used for sealing the opening of the explosion-proof bin 4, and the cabinet door can be pivoted with the explosion-proof bin 4 and kept to be sealed by a door lock. Explosion-proof storehouse 4 can also use the explosion-proof block terminal of existing now to replace.
The gas pipeline between the gas supply end of the gas source 2 and the gas inlet end of the tested pressure reducer 1 mainly comprises two pipelines, namely a first gas pipeline 51 and a second gas pipeline 52. The first gas pipeline 51 is a main pipeline for connecting the gas source 2 with the water tank type gas heating device, and the second gas pipeline 52 is a main pipeline for connecting the water tank type gas heating device with the tested pressure reducer 1.
In this embodiment, the water tank type gas heating apparatus has a heating pipe 31 and a water tank 32 in a shape of a Chinese character 'hui' inside, the water tank 32 is a metal-welded closed tank, the heating pipe 31 is used for circulating gas, and the gas is introduced from one end of the heating pipe 31 and discharged from the other end. The water tank body 32 is filled with water and the water in the water tank body 32 is heated by an electric heating method, and an electric heating tube is installed in the water tank body 32 and connected with an electric heating tube controller for controlling the electric heating tube. The heating pipe 31 is immersed in water in the tank body 32, and after the heating pipe 31 is heated by the water, the gas flowing through the heating pipe 31 is also heated.
The gas inlet end of the heating pipeline 31 is communicated with the gas supply end of the gas source 2 through a first gas pipeline 51, and the gas outlet end of the heating pipeline 31 is communicated with the gas inlet end of the tested pressure reducer 1 through a second gas pipeline 52.
The middle section of the second gas pipeline 52 is provided with a check valve 6 which only allows gas to flow from the water tank type gas heating device to the tested pressure reducer 1.
Through setting up check valve 6, prevent to be surveyed high-pressure high hot gas when pressure reducer 1 fires and explodes and flow backward, avoid the condition of tempering to take place, further guarantee experimental safe type.
The pressure sensor 9 is a pressure switch with a normally open contact, and the pressure detection end of the pressure sensor 9 is positioned in the explosion-proof bin 4. The normally open contact of the pressure sensor 9 is connected in series with the valve opening control circuit of the exhaust valve 8.
An exhaust duct 7 is connected to the middle section of the second gas duct 52, one end of the exhaust duct 7 is welded and fixed with and communicated with the second gas duct 52, and the other end of the exhaust duct 7 is connected with a normally-closed exhaust valve 8.
The exhaust pressure detection end of the detected pressure reducer 1 is connected with a low pressure detection pressure gauge 12, the low pressure detection pressure gauge 12 is a pressure switch with a normally open contact, the exhaust end of the water tank type gas heating equipment is connected with a locking valve 13, and the normally open contact of the low pressure detection pressure gauge 12 is connected in series in a valve closing control circuit of the locking valve 13.
When the measured pressure reducer 1 is exploded, the pressure in the explosion-proof bin 4 is increased, the pressure sensor 9 detects that the pressure in the explosion-proof bin 4 is increased rapidly, and the normally open contact of the pressure sensor 9 is closed, so that the valve opening control circuit of the exhaust valve 8 is switched on, the exhaust valve 8 is opened, and the high-pressure gas exhausted from the heating pipeline 31 is exhausted from the exhaust valve 8.
When being surveyed pressure reducer 1 and taking place the blasting, low pressure detects manometer 12 and detects pressure too big and move, and the normally open contact closure that low pressure detected manometer 12 makes the valve of lock valve 13 close control circuit and switches on, and lock valve 13 closes to prevent that heating pipeline 31 exhaust high-pressure gas from continuing to being carried by survey pressure reducer 1, further prevent to take place the tempering when being surveyed pressure reducer 1 and blasting.
The exhaust end closed valve 10 is a normally closed valve, and the exhaust end closed valve 10 is connected to the exhaust end of the tested pressure reducer 1.
After the measured pressure reducer 1 is exploded and the explosion phenomenon is over, the exhaust end sealing valve 10 is opened manually to exhaust, so that danger is prevented from occurring when the measured pressure reducer 1 is taken out.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.
Claims (7)
1. An oxygen pressure reducer blasting test device comprises a tested pressure reducer (1), a gas source (2) and a water tank type gas heating device; the water tank type gas heating equipment is constructed between the gas supply end of the gas source (2) and the gas inlet end of the tested pressure reducer (1); gas discharged from the gas supply end of the gas source (2) is heated by water tank type gas heating equipment and then is conveyed to the gas inlet end of the tested pressure reducer (1); the method is characterized in that: the pressure reducer is characterized by further comprising an explosion-proof bin (4), wherein the explosion-proof bin (4) is a metal box body with a closable opening, and the tested pressure reducer (1) is arranged in the explosion-proof bin (4); and a gas pipeline at the gas inlet end of the tested pressure reducer (1) penetrates through the side wall of the explosion-proof bin (4) and is fixed with the side wall of the explosion-proof bin (4) in a sealing manner.
2. The oxygen pressure reducer blasting test equipment of claim 1, wherein: the gas pipeline between the gas supply end of the gas source (2) and the gas inlet end of the tested pressure reducer (1) comprises a first gas pipeline (51) and a second gas pipeline (52); the water tank type gas heating equipment is internally provided with a heating pipeline (31) and a water tank body (32) which are shaped like a Chinese character 'hui', the heating pipeline (31) is built in the water tank body (32), the gas inlet end of the heating pipeline (31) is communicated with the gas supply end of a gas source (2) through a gas pipeline I (51), and the gas outlet end of the heating pipeline (31) is communicated with the gas inlet end of a tested pressure reducer (1) through a gas pipeline II (52).
3. The oxygen pressure reducer blasting test equipment of claim 2, wherein: the middle section of the second gas pipeline (52) is provided with a check valve (6) which only allows gas to flow from the water tank type gas heating equipment to the tested pressure reducer (1).
4. The oxygen pressure reducer blasting test equipment of claim 2, wherein: and an exhaust pipeline (7) is arranged in the middle section of the second gas pipeline (52), one end of the exhaust pipeline (7) is communicated with the second gas pipeline (52), and the other end of the exhaust pipeline (7) is connected with a normally closed exhaust valve (8).
5. The oxygen pressure reducer blasting test equipment of claim 4, wherein: the explosion-proof cabin is characterized by further comprising a pressure sensor (9), wherein the pressure detection end of the pressure sensor (9) is positioned in the explosion-proof cabin (4); and the control output end of the pressure sensor (9) is electrically connected with the control input end of the exhaust valve (8).
6. The oxygen pressure reducer blasting test equipment of claim 5, wherein: the device also comprises an exhaust end closed valve (10), wherein the exhaust end closed valve (10) is a normally closed valve, and the exhaust end closed valve (10) is connected to the exhaust end of the tested pressure reducer (1).
7. The oxygen pressure reducer blasting test equipment of claim 1, wherein: the measured pressure reducer (1) is provided with an exhaust pressure detection end, the exhaust pressure detection end of the measured pressure reducer (1) is connected with a low-pressure detection pressure gauge (12), the steam exhaust end of the water tank type gas heating equipment is connected with a locking valve (13), and the control output end of the low-pressure detection pressure gauge (12) is electrically connected with the control input end of the locking valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223297686.4U CN218674287U (en) | 2022-12-09 | 2022-12-09 | Oxygen pressure reducer burning explosion test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223297686.4U CN218674287U (en) | 2022-12-09 | 2022-12-09 | Oxygen pressure reducer burning explosion test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218674287U true CN218674287U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223297686.4U Active CN218674287U (en) | 2022-12-09 | 2022-12-09 | Oxygen pressure reducer burning explosion test equipment |
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| Country | Link |
|---|---|
| CN (1) | CN218674287U (en) |
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2022
- 2022-12-09 CN CN202223297686.4U patent/CN218674287U/en active Active
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