CN209624007U - A kind of flame arrester for pipe Performance Test System - Google Patents
A kind of flame arrester for pipe Performance Test System Download PDFInfo
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- CN209624007U CN209624007U CN201821574502.5U CN201821574502U CN209624007U CN 209624007 U CN209624007 U CN 209624007U CN 201821574502 U CN201821574502 U CN 201821574502U CN 209624007 U CN209624007 U CN 209624007U
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- pipe
- flame
- flame arrester
- performance test
- supply bottle
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Abstract
The utility model relates to a kind of flame arrester for pipe Performance Test Systems comprising pipeline, gas supply bottle, oxygen supply bottle, flame sensor, igniter.Wherein, pipeline includes first pipe and second pipe;It is coated with insulation paint in the inner wall of first pipe and second pipe, is coated with insulating layer in outer wall;First pipe and second pipe are releasably secured in the input end of flame arrester for pipe, outlet end respectively;Gas supply bottle and oxygen supply bottle are connected with the inner cavity of first pipe.After the completion of gas mixing, lighted by igniter.The quantity of flame sensor is multiple, and along first pipe and second pipe spaced set.So, temperature drop effect is weaker in motion process in pipeline for flame, in addition, carry out multi-faceted detection to flame by multiple flame sensors, convenient for by detection data to flame along pipe motion when metamorphosis.In summary, so that test result accuracy with higher.
Description
Technical field
The utility model relates to flame arrester for pipe productions, manufacturing technology field, more particularly to a kind of flame arrester for pipe
It can test macro.
Background technique
The concentration of natural gas that household or industrial gas pipeline is conveyed is much higher than explosion limit, however, when due to construction
Improper, earthquake, when the age is in bad repair or other accidents cause pipeline breaking, the pressure of rent drastically reduces, and outside air into
Enter to mix in pipeline with natural gas and easily reach explosion limit, the person and property are caused to seriously threaten.
Flame arrester for pipe is often installed at gas-fired equipment import and export or on pipeline, and the fire protecting performance of its own is to normal
Runnability has significant impact.By long-term development, fire arrester Performance Test System has obtained greatly perfect.Existing resistance
Firearm Performance Test System is all made of duct type, in order to enable simulation test as close possible to real scene, preferably choose it is longer
The pipeline of degree.However, pipeline itself thermal conductivity can cause temperature drop phenomenon to flame, the accuracy of test result is seriously affected, because
And, it would be highly desirable to technical staff solves the above problems.
Utility model content
Problem to be solved in the utility model is to provide that a kind of structure is simple, the high pipeline back-fire relief of test result accuracy
Device Performance Test System.
In order to solve the above-mentioned technical problem, the utility model relates to a kind of flame arrester for pipe Performance Test System, packets
Include pipeline, gas supply bottle, oxygen supply bottle, flame sensor, igniter.Wherein, pipeline includes first pipe and second
Pipeline;It is coated with insulation paint in the inner wall of first pipe and second pipe, is coated with insulating layer in outer wall;First pipe and second
Pipeline is releasably secured in the input end of flame arrester for pipe, outlet end respectively;Gas supply bottle and oxygen supply bottle are with first
The inner cavity of pipeline is connected.After the completion of gas mixing, lighted by igniter.The quantity of flame sensor is more
It is a, and along first pipe and second pipe spaced set.
Flame arrester for pipe Performance Test System by adopting the above technical scheme, first pipe and second pipe itself have compared with
Good thermal insulation and heat insulating ability, temperature drop effect is weaker in motion process in pipeline for flame, in addition, passing through multiple flame sensors
Multi-faceted detection is carried out to flame, convenient for by detection data to flame along pipe motion when specific form variation.It is comprehensive with
On, so that test result accuracy with higher.
The flame arrester for pipe Performance Test System further includes venturi mixing as a further improvement of the utility model,
Device.The venturi mixer includes import, mixed port and outlet.Import is connected with gas supply bottle, mixes port and oxygen supplies
Bottle is answered to be connected, outlet is connected with the first pipe inner cavity.
It is configured by using above-mentioned technical proposal, changes combustion gas and oxygen conventional hybrid mode, substantially increase
The uniformity of the two mixing, so that burning is more abundant;In addition, reducing the generation of flue gas, reduces and flame sensor is surveyed
The influence of test result accuracy.
Igniter includes spark plug and is remotely lighted a fire to spark plug as a further improvement of the utility model,
Operator.
It is configured by using above-mentioned technical proposal, realizes long-range ignition operation, avoided due to factors such as maloperations
Injury of the caused explosion to experimenter, improves the safety of experiment.
Spark plug is set as one as a further improvement of the utility model, is fixed in first pipe, far from pipeline
The end of fire arrester.
It is configured by using above-mentioned technical proposal, so that the formation of flame closing to reality situation as far as possible, improves pipe
The reliability of road fire arrester performance test.
Spark plug is set as three as a further improvement of the utility model, is fixed in first pipe, along length side
To on the side wall for being distributed in first pipe, and the spark plug of least significant end cannot be less than 30cm at a distance from flame arrester for pipe.
It is configured by using above-mentioned technical proposal, so that the burning of combustion gas is more abundant, avoids testing
Flue gas is formed in journey in pipeline, improves the accuracy of test result.
The flame arrester for pipe Performance Test System further includes pressure sensor as a further improvement of the utility model,
It is arranged in groups with flame sensor.
Pressure sensor is independently arranged with flame sensor in conventional pipelines fire arrester Performance Test System, is caused
Lack relevance between data measured, is not easy to make flame arrester for pipe progress assessment of performance by using above-mentioned technical proposal
The front and back pressure and flame delta data for the flame arrester for pipe that must be recorded have relevance.
As a further improvement of the utility model, the flame arrester for pipe Performance Test System further include vacuum evacuation device,
Pressure gauge.Vacuum evacuation device and pressure gauge are connected with the inner cavity of the first pipe.
It is configured by using above-mentioned technical proposal, before testing formal carry out, evacuates first pipe and the second pipe in advance
Air in road, it is ensured that the accuracy of combustion gas and oxygen mix ratio, so that the performance test results of flame arrester for pipe are relatively reliable.
As a further improvement of the utility model, the input end of first pipe and flame arrester for pipe, second pipe with
Corrugated expansion joint is provided between the outlet end of flame arrester for pipe.
It, can be inevitably between first pipe, second pipe and flame arrester for pipe in the initial stage that combustion gas is ignited
Impact, so that first pipe and second pipe interface be caused metaboly occur, by using above-mentioned technical proposal into
Row setting, efficiently solves the above problem.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first embodiment of flame arrester for pipe Performance Test System in the utility model.
Fig. 2 is the A-A cross-sectional view in the utility model Fig. 1.
Fig. 3 is the structural schematic diagram of second of embodiment of flame arrester for pipe Performance Test System in the utility model.
1- gas supply bottle;2- oxygen supply bottle;3- pipeline;31- first pipe;32- second pipe;4- flame sensing
Device;5- igniter;51- spark plug;52- operator;6- flame arrester for pipe;7- venturi mixer;8- pressure sensor;9-
Vacuum evacuation device;10- pressure gauge;11- corrugated expansion joint;12- insulation paint;13- insulating layer.
Specific embodiment
Combined with specific embodiments below, the content of the utility model is described in further detail.Fig. 1, Fig. 2 show respectively
A kind of structural schematic diagram of embodiment of flame arrester for pipe Performance Test System in the utility model and its A-A cross-sectional view are gone out.
The flame arrester for pipe Performance Test System is by pipeline 3, gas supply bottle 1, oxygen supply bottle 2, flame sensor 4, igniter
5, several parts such as flame arrester for pipe 6 are constituted.Wherein, above-mentioned pipeline 3 includes first pipe 31 and second pipe 32.For thermal insulation
Consider with heat insulating ability, is coated with insulation paint 12 in the inner wall of first pipe 31 and second pipe 32, is coated with insulating layer in outer wall
13, so that temperature drop effect is weaker in motion process in pipeline for flame.Insulating layer can be used that cost is relatively low, construct more square
Just fire resisting asbestos.First pipe 31 and second pipe 32 are releasably secured in the import of flame arrester for pipe 6 by flange respectively
End, outlet end.It is of course also possible to other detachable connection methods are taken, and such as: it snaps connection, screw thread pair turn connection etc..Combustion
Gas supply bottle 1 and oxygen supply bottle 2 are connected with the inner cavity of first pipe 31.After the completion of gas mixing, that is, pass through igniting
Device 5 is lighted.The variation that 6 front and back flame of flame arrester for pipe is recorded by flame sensor 4, quenches to flame to study it
Put out the effect of inhibition.The quantity of flame sensor 4 is multiple, and can equidistantly be set along first pipe 31 and second pipe 32
It sets, so that multi-faceted detection is carried out to flame by multiple flame sensors 4, convenient for transporting to flame along pipeline by detection data
Specific form variation when dynamic.In summary, so that test result accuracy with higher.
Furthermore in order to improve the uniformity of the two mixing, so that burning is more abundant, the production of flue gas in test process is reduced
Raw, above-mentioned flame arrester for pipe Performance Test System can also carry out the mixing of combustion gas and oxygen by venturi mixer 7.Recommend
Connection type is as follows: the import of the venturi mixer 7 is connected with gas supply bottle 1, mixes port and 2 phase of oxygen supply bottle
Connection, outlet are connected with the inner cavity of first pipe 31.In addition, in order to obtain preferable combustion efficiency, above-mentioned combustion gas is preferred
Acetylene gas.
Furthermore in order to improve the safety of experimentation, above-mentioned igniter 5 can be implemented by way of remotely lighting a fire.
Igniter 5 includes spark plug 51 and to the operator 52 for changing spark plug 51 and remotely being lighted a fire.In this embodiment, spark plug
51 are set as one, are fixed in first pipe 31, the end far from flame arrester for pipe 6, so that the formation of flame to the greatest extent may be used
Energy closing to reality situation, improves the reliability of 6 performance test of flame arrester for pipe.
In addition, being additionally provided with pressure sensor 8, the variation of 6 front and back pressure of flame arrester for pipe is recorded by it, to study
Its effect that pressure wave is inhibited.Pressure sensor and flame sensor are distinguished in conventional pipelines fire arrester Performance Test System
Independent arrangement, causes to lack relevance between data measured, and in this embodiment, the fire of pressure sensor 8 and corresponding position
Flame sensor 4 is arranged in groups, so that the 6 front and back pressure of flame arrester for pipe of record and flame delta data have relevance.
Fig. 3 shows the structural representation of second of embodiment of flame arrester for pipe Performance Test System in the utility model
Figure.The difference of the embodiment and above-described embodiment is: 1) it is true to be also provided with pumping for the flame arrester for pipe Performance Test System
Empty device 9, is connected with the inner cavity of first pipe 31, for evacuated in entire test macro in advance (including first pipe 31,
Second pipe 32, flame arrester for pipe 6 etc.) in air, it is ensured that the accuracy of combustion gas and oxygen mix ratio.It can also be in the first pipe
The side wall in road 31 is connected with pressure gauge 10, is monitored in real time to intracavitary vacuum degree;2) in first pipe 31 and pipeline back-fire relief
It is provided with corrugated expansion joint 11 between the input end of device 6, second pipe 32 and the outlet end of flame arrester for pipe 6, thus effectively
Ground reduces first pipe 31 and the interface of second pipe 32 is damaged possibility, improves the flame arrester for pipe Performance Test System
Service life.Flanged joint form can be also taken between corrugated expansion joint 11 and the first pipeline section 31, second pipe 32.
Finally, it should be noted that spark plug 51 may be arranged as multiple, and controlled by same operator 52
System.Such as the quantity of spark plug 51 is three, is individually fixed in first pipe 31, is distributed in first pipe 31 along its length
Side wall on, and the spark plug 51 of least significant end cannot be less than 30cm at a distance from flame arrester for pipe 6, so that the burning of combustion gas
More sufficiently, it avoids forming flue gas in pipeline during the test, improves the accuracy of test result.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. a kind of flame arrester for pipe Performance Test System, which is characterized in that including pipeline, gas supply bottle, oxygen supply bottle, fire
Flame sensor, igniter;Wherein, the pipeline includes first pipe and second pipe;In the first pipe and described
The inner wall of two pipelines is coated with insulation paint, is coated with insulating layer in outer wall;The first pipe and the second pipe respectively can
It is fixed on input end, the outlet end of the flame arrester for pipe with tearing open;The gas supply bottle and the oxygen supply bottle are and institute
The inner cavity for stating first pipe is connected;After the completion of gas mixing, lighted by the igniter;The flame sensing
The quantity of device is multiple, and along the first pipe and the second pipe spaced set;
It further include venturi mixer;The venturi mixer includes import, mixed port and outlet;The import and the combustion
Gas supply bottle is connected, and the mixed port is connected with the oxygen supply bottle, the outlet and first pipe inner cavity phase
Connection;
The igniter includes spark plug and the operator remotely lighted a fire to the spark plug.
2. flame arrester for pipe Performance Test System according to claim 1, which is characterized in that the spark plug is set as one
It is a, it is fixed in the first pipe, the end far from the flame arrester for pipe.
3. flame arrester for pipe Performance Test System according to claim 1, which is characterized in that the spark plug is set as three
It is a, it is fixed in the first pipe, is distributed on the side wall of the first pipe along its length, and the fire of least significant end
The distance of flame arrester for pipe described in Hua Saiyu cannot be less than 30cm.
4. flame arrester for pipe Performance Test System according to claim 1, which is characterized in that it further include pressure sensor,
It is arranged in groups with the flame sensor.
5. flame arrester for pipe Performance Test System according to claim 1, which is characterized in that further include vacuum evacuation device,
Pressure gauge;The vacuum evacuation device and the pressure gauge are connected with the inner cavity of the first pipe.
6. flame arrester for pipe Performance Test System according to any one of claims 1-5, which is characterized in that described
It is respectively provided between the input end of one pipeline and the flame arrester for pipe, the second pipe and the outlet end of the flame arrester for pipe
There is corrugated expansion joint.
Priority Applications (1)
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CN201821574502.5U CN209624007U (en) | 2018-09-26 | 2018-09-26 | A kind of flame arrester for pipe Performance Test System |
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CN201821574502.5U CN209624007U (en) | 2018-09-26 | 2018-09-26 | A kind of flame arrester for pipe Performance Test System |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111122194A (en) * | 2019-12-25 | 2020-05-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | System for testing fire resistance and burning resistance of airborne flame suppressor of liquid hexane |
-
2018
- 2018-09-26 CN CN201821574502.5U patent/CN209624007U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111122194A (en) * | 2019-12-25 | 2020-05-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | System for testing fire resistance and burning resistance of airborne flame suppressor of liquid hexane |
CN111122194B (en) * | 2019-12-25 | 2022-01-14 | 中国航空工业集团公司金城南京机电液压工程研究中心 | System for testing fire resistance and burning resistance of airborne flame suppressor of liquid hexane |
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