CN208224147U - Explosion limit tester with automatic gas distribution system - Google Patents
Explosion limit tester with automatic gas distribution system Download PDFInfo
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- CN208224147U CN208224147U CN201820670280.0U CN201820670280U CN208224147U CN 208224147 U CN208224147 U CN 208224147U CN 201820670280 U CN201820670280 U CN 201820670280U CN 208224147 U CN208224147 U CN 208224147U
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Abstract
The utility model relates to a kind of explosion limit tester with automatic gas distribution system, mainly solves the problems, such as that interference from human factor is big in the prior art, safety is poor.The utility model is by using a kind of explosion limit tester with automatic gas distribution system, including Exploding test cavity, thermal module, igniter head, ignition module, pressure test module, flame test module, mixed gas prepares module, vacuum module, high steam preparing device, computer module, Exploding test cavity one end is equipped with pressure test module, the other end is equipped with igniter head, Exploding test cavity wall is equipped with aperture, tapping is equipped at least one thermal module, at least one flame detection modules, air inlet is additionally provided on Exploding test cavity wall, air inlet is connected with admission line, respectively with high steam preparing device, mixed gas prepares module, the connected technical solution of vacuum module preferably solves the above problem, it can be used in explosion limit test.
Description
Technical field
The utility model relates to a kind of explosion limit tester with automatic gas distribution system.
Background technique
With the development of chemical industry, more and more chemical processes are employed in Chemical Manufacture.Fuel gas or
It is to commonly use in Chemical Manufacture or existing state that steam is mixed with oxidizing gas.However, fuel gas or steam and oxygen
There are explosion dangers for the property changed gas mixing, careless slightly to can bring about serious combustion explosion accident, to the production and living of people
Bring serious loss.Therefore, using before chemicals in production and living, the explosion limit tested under chemicals use condition is non-
It is often necessary.
Explosion limit tester in CN102937603A and CN102937604A describes under the conditions of high temperature, Hi-pot test
Test the instrument and method of gas or steam.However, in the application, entire distribution process needs nearly body manual operating instrument air inlet
Valve, to control the concentration ratio of mixed gas, such operation has very big artificial uncertain factor.And it is some unstable
There is the risk of explosion in gas such as acetylene, vinylacetylene etc., exist to test operator very big during distribution
Personal safety risk.
Utility model content
Technical problem to be solved in the utility model, which is that interference from human factor is big in the prior art, safety is poor, asks
Topic provides a kind of new explosion limit tester with automatic gas distribution system, small with interference from human factor, safety is preferable
The advantages of.
To solve the above problems, the technical solution adopted in the utility model is as follows: a kind of with the quick-fried of automatic gas distribution system
Fried limit test instrument, which is characterized in that including Exploding test cavity, thermal module, igniter head, ignition module, pressure test mould
Block, flame test module, mixed gas prepare module, vacuum module, high steam preparing device, computer module, Exploding test
Cavity one end is equipped with pressure test module, and the other end is equipped with igniter head, and Exploding test cavity wall is equipped with aperture, and tapping is set
There are at least one thermal module, at least one flame detection modules, is additionally provided with air inlet, air inlet on Exploding test cavity wall
It is connected with admission line, is connected respectively with high steam preparing device, mixed gas preparation module, vacuum module.
In above-mentioned technical proposal, it is preferable that pressure test module is connected with computer module.
In above-mentioned technical proposal, it is preferable that igniter head is connected with ignition module.
In above-mentioned technical proposal, it is preferable that Exploding test cavity is cylindrical body, and pressure test module and igniter head distinguish position
In on two circular surfaces of cylindrical body.
In above-mentioned technical proposal, it is preferable that two circular surface ends of Exploding test cavity are also equipped with thermal module.
In above-mentioned technical proposal, it is preferable that the alternate row of thermal module, flame detection modules on Exploding test cavity wall
Cloth.
In above-mentioned technical proposal, it is preferable that admission line protrudes into explosion test chamber body.
In above-mentioned technical proposal, it is preferable that thermal module, three flames inspections there are three being set on explosion limit tester side wall
Survey module.
In above-mentioned technical proposal, it is preferable that high steam preparing device, vacuum module, mixed gas preparation module with into
Pressure gauge and solenoid valve are respectively arranged on the connected pipeline of gas pipeline.
In above-mentioned technical proposal, it is preferable that include vacuum pump in vacuum module, include in pressure test module pressure gauge or
Pressure transmitter, interior thermal module includes thermocouple.
In explosion limit test process, intake valve is manually operated by nearly body in the process for preparation of mixed gas, is improved to long-range
System distribution.Be effectively protected testing crew personal safety, reduce manually operated to distribution result bring it is uncertain because
Element achieves preferable technical effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In Fig. 1,1, Exploding test cavity；2, igniter head；3, ignition module；4~8, thermal module；9~11, flame test
Module；12, high steam preparing device；13, vacuum module；14, gaseous mixture prepares module；15；Computer module 16, pressure test
Module；17, air inlet.
The utility model is further elaborated below by embodiment, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
A kind of explosion limit tester with automatic gas distribution system, as shown in Figure 1, including Exploding test cavity, temperature
Module, igniter head, ignition module, pressure test module, flame test module, mixed gas prepare module, vacuum module, high pressure
Steam preparing device, computer module, Exploding test cavity one end are equipped with pressure test module, and the other end is equipped with igniter head, explosion
It tests cavity wall and is equipped with aperture, tapping is equipped with 3 thermal modules, 3 flame detection modules, Exploding test cavity wall
On be additionally provided with air inlet, air inlet is connected with admission line, respectively with high steam preparing device, mixed gas preparation module, true
Empty module is connected.Pressure test module is connected with computer module.Igniter head is connected with ignition module.
Exploding test cavity is cylindrical body, and pressure test module and igniter head are located at two circular surfaces of cylindrical body
On.Two circular surface ends of Exploding test cavity are also equipped with thermal module.Thermal module on Exploding test cavity wall,
Flame detection modules interphase distribution.Admission line protrudes into explosion test chamber body.In high steam preparing device, vacuum module, mix
It closes and is respectively arranged with pressure gauge and solenoid valve on the pipeline that gas preparation module is connected with admission line.
Include vacuum pump in vacuum module, include pressure gauge or pressure transmitter in pressure test module, in thermal module
Including thermocouple
Specifically, include the following steps:
One, preparation stage
1. Exploding test cavity and high steam preparing device are vacuumized, until -100KPa.It closes vacuum module and explosion is surveyed
Try cavity between connecting line, maintain 3min, if pressure is remained unchanged or is changed less than 0.2%, it was demonstrated that Detonation Tube with
The air-tightness of autoclave system is good, into next link.
2. the link pipeline between Exploding test cavity and high steam preparing device is closed, to height in the way of vacuum feed
It presses kettle that appropriate amount of fluid sample is added, closes inlet valve.
3. being arranged Exploding test cavity and high steam preparing device to predetermined temperature.Heating balance 1 hour, is surveyed wait explode
Examination cavity and high steam preparing device temperature start to test after reaching setting value.
4. saving above-mentioned 2 and 3 operations if it is gaseous sample.
Two, experimental stages
1. Exploding test cavity is evacuated to vacuum, if pressure is remained unchanged or changed less than 0.2%, by being remotely
The under test gas or steam of predetermined pressure is added in system.
2. opening vacuum pump by remote system is evacuated to vacuum for feeding pipe, and twice with gas bleed, then to quick-fried
Fried test cavity is into every kind to air inlet body.The amount for entering every kind of gas by high-precision pressure instrument and solenoid valve control, will be quick-fried
The pressure and ratio of target mixed gas are configured in fried test chamber body.
3. constant 2min carries out fire trial.Record the test knot of pressure sensor reading variation and flame test module
Fruit judges whether to fire.Until test highest does not fire and the minimum concentration for firing under test gas or steam, as test condition
Under, the explosion limit of the gas or steam.
[embodiment 2]
A kind of explosion limit tester with automatic gas distribution system, as shown in Figure 1, including Exploding test cavity, temperature
Module, igniter head, ignition module, pressure test module, flame test module, mixed gas prepare module, vacuum module, high pressure
Steam preparing device, computer module, Exploding test cavity one end are equipped with pressure test module, and the other end is equipped with igniter head, explosion
It tests cavity wall and is equipped with aperture, tapping is equipped with 3 thermal modules, 3 flame detection modules, Exploding test cavity wall
On be additionally provided with air inlet, air inlet is connected with admission line, respectively with high steam preparing device, mixed gas preparation module, true
Empty module is connected.Pressure test module is connected with computer module.Igniter head is connected with ignition module.
Exploding test cavity is cylindrical body, and pressure test module and igniter head are located at two circular surfaces of cylindrical body
On.Two circular surface ends of Exploding test cavity are also equipped with thermal module.Thermal module on Exploding test cavity wall,
Flame detection modules interphase distribution.Admission line protrudes into explosion test chamber body.In high steam preparing device, vacuum module, mix
It closes and is respectively arranged with pressure gauge and solenoid valve on the pipeline that gas preparation module is connected with admission line.
Include vacuum pump in vacuum module, include pressure gauge or pressure transmitter in pressure test module, in thermal module
Including thermocouple
Specifically, include the following steps:
One, preparation stage
1. Exploding test cavity and high steam preparing device are vacuumized, until -100KPa.It closes vacuum module and explosion is surveyed
Try cavity between connecting line, maintain 5min, if pressure is remained unchanged or is changed less than 0.2%, it was demonstrated that Detonation Tube with
The air-tightness of autoclave system is good, into next link.
2. the link pipeline between Exploding test cavity and high steam preparing device is closed, to height in the way of vacuum feed
It presses kettle that appropriate amount of fluid sample is added, closes inlet valve.
3. being arranged Exploding test cavity and high steam preparing device to predetermined temperature.Heating balance 1.5 hours, wait explode
Test cavity and high steam preparing device temperature start to test after reaching setting value.
4. saving above-mentioned 2 and 3 operations if it is gaseous sample.
Two, experimental stages
1. Exploding test cavity is evacuated to vacuum, if pressure is remained unchanged or changed less than 0.2%, by being remotely
The under test gas or steam of predetermined pressure is added in system.
2. opening vacuum pump by remote system is evacuated to vacuum for feeding pipe, and twice with gas bleed, then to quick-fried
Fried test cavity is into every kind to air inlet body.The amount for entering every kind of gas by high-precision pressure instrument and solenoid valve control, will be quick-fried
The pressure and ratio of target mixed gas are configured in fried test chamber body.
3. constant 5min carries out fire trial.Record the test knot of pressure sensor reading variation and flame test module
Fruit judges whether to fire.Until test highest does not fire and the minimum concentration for firing under test gas or steam, as test condition
Under, the explosion limit of the gas or steam.
[embodiment 3]
A kind of explosion limit tester with automatic gas distribution system, as shown in Figure 1, including Exploding test cavity, temperature
Module, igniter head, ignition module, pressure test module, flame test module, mixed gas prepare module, vacuum module, high pressure
Steam preparing device, computer module, Exploding test cavity one end are equipped with pressure test module, and the other end is equipped with igniter head, explosion
It tests cavity wall and is equipped with aperture, tapping is equipped with 4 thermal modules, 4 flame detection modules, Exploding test cavity wall
On be additionally provided with air inlet, air inlet is connected with admission line, respectively with high steam preparing device, mixed gas preparation module, true
Empty module is connected.Pressure test module is connected with computer module.Igniter head is connected with ignition module.
Exploding test cavity is cylindrical body, and pressure test module and igniter head are located at two circular surfaces of cylindrical body
On.Two circular surface ends of Exploding test cavity are also equipped with thermal module.Thermal module on Exploding test cavity wall,
Flame detection modules interphase distribution.Admission line protrudes into explosion test chamber body.In high steam preparing device, vacuum module, mix
It closes and is respectively arranged with pressure gauge and solenoid valve on the pipeline that gas preparation module is connected with admission line.
Include vacuum pump in vacuum module, include pressure gauge or pressure transmitter in pressure test module, in thermal module
Including thermocouple
Specifically, include the following steps:
One, preparation stage
1. Exploding test cavity and high steam preparing device are vacuumized, until -100KPa.It closes vacuum module and explosion is surveyed
Try cavity between connecting line, maintain 4min, if pressure is remained unchanged or is changed less than 0.2%, it was demonstrated that Detonation Tube with
The air-tightness of autoclave system is good, into next link.
2. the link pipeline between Exploding test cavity and high steam preparing device is closed, to height in the way of vacuum feed
It presses kettle that appropriate amount of fluid sample is added, closes inlet valve.
3. being arranged Exploding test cavity and high steam preparing device to predetermined temperature.Heating balance 1.2 hours, wait explode
Test cavity and high steam preparing device temperature start to test after reaching setting value.
4. saving above-mentioned 2 and 3 operations if it is gaseous sample.
Two, experimental stages
1. Exploding test cavity is evacuated to vacuum, if pressure is remained unchanged or changed less than 0.2%, by being remotely
The under test gas or steam of predetermined pressure is added in system.
2. opening vacuum pump by remote system is evacuated to vacuum for feeding pipe, and twice with gas bleed, then to quick-fried
Fried test cavity is into every kind to air inlet body.The amount for entering every kind of gas by high-precision pressure instrument and solenoid valve control, will be quick-fried
The pressure and ratio of target mixed gas are configured in fried test chamber body.
3. constant 3min carries out fire trial.Record the test knot of pressure sensor reading variation and flame test module
Fruit judges whether to fire.Until test highest does not fire and the minimum concentration for firing under test gas or steam, as test condition
Under, the explosion limit of the gas or steam.
Claims (10)
1. a kind of explosion limit tester with automatic gas distribution system, which is characterized in that including Exploding test cavity, temperature mould
Block, igniter head, ignition module, pressure test module, flame test module, mixed gas preparation module, vacuum module, high pressure are steamed
Vapour preparing device, computer module, Exploding test cavity one end are equipped with pressure test module, and the other end is equipped with igniter head, and explosion is surveyed
It tries cavity wall and is equipped with aperture, tapping is equipped at least one thermal module, at least one flame detection modules, Exploding test
Air inlet is additionally provided on cavity wall, air inlet is connected with admission line, prepares respectively with high steam preparing device, mixed gas
Module, vacuum module are connected.
2. having the explosion limit tester of automatic gas distribution system according to claim 1, it is characterised in that pressure test mould
Block is connected with computer module.
3. having the explosion limit tester of automatic gas distribution system according to claim 1, it is characterised in that igniter head and point
Fiery module is connected.
4. having the explosion limit tester of automatic gas distribution system according to claim 1, it is characterised in that explosion test chamber
Body is cylindrical body, and pressure test module and igniter head are located on two circular surfaces of cylindrical body.
5. having the explosion limit tester of automatic gas distribution system according to claim 4, it is characterised in that explosion test chamber
Two circular surface ends of body are also equipped with thermal module.
6. having the explosion limit tester of automatic gas distribution system according to claim 1, it is characterised in that explosion test chamber
Thermal module, flame detection modules interphase distribution on body sidewall.
7. having the explosion limit tester of automatic gas distribution system according to claim 1, it is characterised in that admission line is stretched
Enter in explosion test chamber body.
8. having the explosion limit tester of automatic gas distribution system according to claim 1, it is characterised in that explosion limit is surveyed
Thermal module, three flame detection modules there are three being set on examination instrument side wall.
9. having the explosion limit tester of automatic gas distribution system according to claim 1, it is characterised in that in high steam
Pressure gauge and solenoid valve are respectively arranged on the pipeline that preparing device, vacuum module, mixed gas preparation module are connected with admission line.
10. having the explosion limit tester of automatic gas distribution system according to claim 1, it is characterised in that in vacuum module
Including vacuum pump, includes pressure gauge or pressure transmitter in pressure test module, include thermocouple in thermal module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820670280.0U CN208224147U (en) | 2018-05-07 | 2018-05-07 | Explosion limit tester with automatic gas distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820670280.0U CN208224147U (en) | 2018-05-07 | 2018-05-07 | Explosion limit tester with automatic gas distribution system |
Publications (1)
| Publication Number | Publication Date |
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| CN208224147U true CN208224147U (en) | 2018-12-11 |
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ID=64510231
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| CN201820670280.0U Active CN208224147U (en) | 2018-05-07 | 2018-05-07 | Explosion limit tester with automatic gas distribution system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856184A (en) * | 2019-03-04 | 2019-06-07 | 北京石油化工学院 | Constraint space flammable gas explosion flow-field test device and method under water storage condition |
| CN111879819A (en) * | 2020-07-31 | 2020-11-03 | 上海化工研究院有限公司 | Closed-loop circulating type volatile liquid explosion limit measuring device |
| CN113933347A (en) * | 2021-09-22 | 2022-01-14 | 北京科技大学 | Detonation experiment system and method based on virtual instrument |
-
2018
- 2018-05-07 CN CN201820670280.0U patent/CN208224147U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856184A (en) * | 2019-03-04 | 2019-06-07 | 北京石油化工学院 | Constraint space flammable gas explosion flow-field test device and method under water storage condition |
| CN111879819A (en) * | 2020-07-31 | 2020-11-03 | 上海化工研究院有限公司 | Closed-loop circulating type volatile liquid explosion limit measuring device |
| CN113933347A (en) * | 2021-09-22 | 2022-01-14 | 北京科技大学 | Detonation experiment system and method based on virtual instrument |
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