CN107859998A - A kind of mixed combustible gas body burner experimental rig - Google Patents
A kind of mixed combustible gas body burner experimental rig Download PDFInfo
- Publication number
- CN107859998A CN107859998A CN201711362394.5A CN201711362394A CN107859998A CN 107859998 A CN107859998 A CN 107859998A CN 201711362394 A CN201711362394 A CN 201711362394A CN 107859998 A CN107859998 A CN 107859998A
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- Prior art keywords
- gas
- air line
- supply air
- triple valve
- fuel gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a kind of mixed combustible gas body burner experimental rig, first fuel gas source and the second fuel gas source are connected by the first supply air line and the second supply air line with two gas accesses of fuel gas mixer respectively, the mixed gas outlet of fuel gas mixer is connected with main burner, and inertia source of the gas is connected with the first supply air line and the second supply air line respectively by triple valve.Pass through the mixed combustible gas body burner experimental rig of above-mentioned optimization design, suitable for the requirement of mixed combustible gas body composition not of the same race, change mixed combustible gas body composition by changing fuel gas source, it is low to reequip cost, being capable of more preferable simulation natural fire scene, and, after cut-out fuel gas supply, inert gas is blowed into supply air line and fuel gas mixer by inertia source of the gas, so that air mixture thoroughly drains into main burner and burnt, so as to avoid the danger that remaining fuel gas is brought in environmental pollution and structure.
Description
Technical field
The present invention relates to hot drill technical field, more particularly to a kind of mixed combustible gas body burner experimental rig.
Background technology
Kidney-yang hot drill is a part essential in fire fighter's daily workout, in China, kidney-yang hot drill
With burning things which may cause a fire disaster based on liquid oil fire and solid fire.Because liquid oil fire and solid fire development are not easy by manual control, instructed in fire extinguishing
When occurring emergency situations in white silk, it is difficult to which burning things which may cause a fire disaster is extinguished in control in time.In addition, after liquid oil fire and solid fire are extinguished, residual
Unburned fuel be not easy to dispose, easily cause environmental pollution.In view of liquid oil fire and the deficiency present in solid fire, fire extinguishing instruction
Burning things which may cause a fire disaster in white silk need to be improved.
Gas fire in use, burn rate is controlled by controlling flow, is easy to control, and running into emergency situations can
Burnt by closing fuel gas supply to cut off burning things which may cause a fire disaster, while the unburned fuel that will not cause largely to remain pollutes environment
Consequence.Therefore gas fire is compared to liquid oil fire and solid fire, has and is easily controlled and the advantage such as noresidue fuel, therefore gas fire
It is increasingly becoming the main burning things which may cause a fire disaster of fire-fighting fire extinguishing training.However, conventional gaseous fuel such as methane, propane etc., caused by burning
Flue gas is less, and its thermal exposure is also smaller, is differed greatly with the flue gas concentration in actual fire scenario and thermal exposure.Therefore
In order to more really simulate actual fire scenario, it is necessary to add a certain amount of smoke amount and heat radiation in conventional gaseous fuel
Big fuel is measured, so as to reduce hot drill cost, on the basis of improving hot drill security, reality can be more nearly
Fire scenario.
The content of the invention
To solve technical problem present in background technology, the present invention proposes a kind of mixed combustible gas body burner experiment dress
Put.
A kind of mixed combustible gas body burner experimental rig proposed by the present invention, including：First fuel gas source, the first air supply pipe
Road, the second fuel gas source, the second supply air line, inertia source of the gas, fuel gas mixer, main burner, the first triple valve, inert gas three
Port valve, the second triple valve；
Fuel gas mixer is provided with first gas entrance, second gas entrance and mixed gas outlet；
First fuel gas source is connected by the first supply air line with the first port of the first triple valve, and the second of the first triple valve
Port is connected by pipeline with the first gas entrance, the second fuel gas source pass through the second supply air line and the second triple valve
Single port is connected, and the second port of the second triple valve is connected by pipeline with the second gas entrance, and inertia source of the gas passes through pipe
Road connects with the first port of inert gas triple valve, the 3rd port of the first triple valve and the 3rd port of the second triple valve point
Do not connected with the second port of inert gas triple valve and the 3rd port；
The mixed gas outlet connects with main burner.
Preferably, in addition to mass flow control system, the first supply air line are provided with the first mass flow controller, the
Two supply air lines are provided with the second mass flow controller, the first mass flow controller and the second mass flow controller difference
It is connected with mass flow control system.
Preferably, the first supply air line is provided with the first pressure-reducing valve and first check-valve, and the second supply air line is provided with the
Two pressure-reducing valves and second check-valve.
Preferably, in addition to ignite branch road and resident burner, the first supply air line are provided with branch road triple valve, branch of igniting
Road one end is connected with the 3rd port of branch road triple valve and the other end connects with resident burner.
Preferably, in addition to mass flow control system, the branch road that ignites are provided with branch road mass flow controller, branch road matter
Amount flow controller is connected with mass flow control system.
Preferably, the first pressure-reducing valve, first check-valve, branch road triple valve on the first supply air line from the first fuel gas source to
First triple valve direction is set gradually.
Preferably, is provided with open-topped combustion chamber in main burner, resident burner be located at the opening for pair
The combustion chamber ignites.
Preferably, the pipeline between inertia source of the gas and inert gas triple valve is provided with the 3rd pressure-reducing valve.
In the present invention, the mixed combustible gas body burner experimental rig that is proposed, the first fuel gas source and the second fuel gas source point
Do not connected by the first supply air line and the second supply air line with two gas accesses of fuel gas mixer, fuel gas mixer mixes
Close gas vent to connect with main burner, inertia source of the gas is connected with the first supply air line and the second supply air line respectively by triple valve
It is logical.By the mixed combustible gas body burner experimental rig of above-mentioned optimization design, suitable for mixed combustible gas body composition not of the same race
Requirement, change mixed combustible gas body composition by changing fuel gas source, repacking cost is low, being capable of more preferable simulation natural fire field
Scape, also, after cut-out fuel gas supply, indifferent gas is blowed into supply air line and fuel gas mixer by inertia source of the gas
Body so that air mixture thoroughly drains into main burner and burnt, so as to avoid remaining fuel gas in environmental pollution and structure
The danger brought.
Brief description of the drawings
Fig. 1 is a kind of structural representation of mixed combustible gas body burner experimental rig proposed by the present invention.
Embodiment
As shown in figure 1, Fig. 1 is a kind of structural representation of mixed combustible gas body burner experimental rig proposed by the present invention
Figure.
Reference picture 1, a kind of mixed combustible gas body burner experimental rig proposed by the present invention, including：First fuel gas source 1,
First supply air line, the second fuel gas source 3, the second supply air line, inertia source of the gas 2, fuel gas mixer 24, main burner 26, first
Triple valve 15, inert gas triple valve 17, the second triple valve 19；
Fuel gas mixer 24 is provided with first gas entrance, second gas entrance and mixed gas outlet；
First fuel gas source 1 is connected by the first supply air line with the first port of the first triple valve 15, the first triple valve 15
Second port connected by pipeline with the first gas entrance, the second fuel gas source 3 passes through the second supply air line and the two or three
The first port connection of port valve 19, the second port of the second triple valve 19 is connected by pipeline with the second gas entrance, lazy
Property source of the gas 2 is connected by pipeline with the first port of inert gas triple valve 17, the 3rd port and second of the first triple valve 15
3rd port of triple valve 19 connects with the second port of inert gas triple valve 17 and the 3rd port respectively；
The mixed gas outlet connects with main burner 26.
In the specific work process of the mixed combustible gas body burner experimental rig of the present embodiment, first is selected as needed
Fuel gas source and the second fuel gas source, the first fuel gas source and the second fuel gas source respectively by the first supply air line and the second supply air line to
Supplied in fuel gas mixer, mixed combustion gas, which is delivered in main burner, burns；After fuel gas supply is cut off, pass through inertia
Source of the gas blows inert gas into supply air line and fuel gas mixer so that air mixture thoroughly drains into main burner and fired
Burn.
In the present embodiment, the mixed combustible gas body burner experimental rig proposed, the first fuel gas source and the second combustion gas
Source is connected by the first supply air line and the second supply air line with two gas accesses of fuel gas mixer respectively, fuel gas mixer
Mixed gas outlet connected with main burner, inertia source of the gas by triple valve respectively with the first supply air line and the second air supply pipe
Road connects.By the mixed combustible gas body burner experimental rig of above-mentioned optimization design, suitable for mixed combustible gas body not of the same race
The requirement of composition, by change fuel gas source change mixed combustible gas body composition, repacking cost it is low, can more preferably simulation it is truly fiery
Calamity scene, also, after cut-out fuel gas supply, inertia is blowed into supply air line and fuel gas mixer by inertia source of the gas
Gas so that air mixture thoroughly drains into main burner and burnt, so as to avoid remaining combustible gas in environmental pollution and structure
The danger that body is brought.
In a specific embodiment, in addition to ignite branch road and resident burner 25, the first supply air line are provided with branch road
Triple valve 12, branch road one end of igniting is connected with the 3rd port of branch road triple valve 12 and the other end connects with resident burner 25,
Open-topped combustion chamber is provided with main burner 26, resident burner 25 is located at the opening and is used to draw the combustion chamber
Combustion.
In other embodiments, in addition to mass flow control system, the first supply air line are provided with the first matter
Flow controller 22 is measured, the second supply air line is provided with the second mass flow controller 23, the He of the first mass flow controller 22
Second mass flow controller 23 is connected with mass flow control system respectively, and mass flow control system can be adjusted as needed
Save the air demand of the first supply air line and the second supply air line.
In further specific control mode, the branch road that ignites is provided with branch road mass flow controller 21, branch road quality stream
Amount controller 21 is connected with mass flow control system.
In order to improve the security of fuel gas pipeline, in a specific embodiment, the first supply air line is provided with the first decompression
Valve 7 and first check-valve 10, the second supply air line are provided with the second pressure-reducing valve 9 and second check-valve 11；Further specific real
Apply in mode, the first pressure-reducing valve 7, first check-valve 10, branch road triple valve 12 on the first supply air line from the first fuel gas source 1 to
The direction of first triple valve 15 is set gradually；Pipeline between inertia source of the gas 2 and inert gas triple valve 17 is provided with the 3rd decompression
Valve 8.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
- A kind of 1. mixed combustible gas body burner experimental rig, it is characterised in that including：First fuel gas source (1), the first air supply pipe Road, the second fuel gas source (3), the second supply air line, inertia source of the gas (2), fuel gas mixer (24), main burner (26), the one or three Port valve (15), inert gas triple valve (17), the second triple valve (19)；Fuel gas mixer (24) is provided with first gas entrance, second gas entrance and mixed gas outlet；First fuel gas source (1) is connected by the first supply air line with the first port of the first triple valve (15), the first triple valve (15) second port is connected by pipeline with the first gas entrance, the second fuel gas source (3) by the second supply air line with The first port connection of second triple valve (19), the second port of the second triple valve (19) are entered by pipeline and the second gas Mouth connection, inertia source of the gas (2) are connected by pipeline with the first port of inert gas triple valve (17), the first triple valve (15) 3rd port and the 3rd port of the second triple valve (19) second port with inert gas triple valve (17) and the 3rd end respectively Mouth connection；The mixed gas outlet connects with main burner (26).
- 2. mixed combustible gas body burner experimental rig according to claim 1, it is characterised in that also including mass flow Control system, the first supply air line are provided with the first mass flow controller (22), and the second supply air line is provided with the second mass Flow controller (23), the first mass flow controller (22) and the second mass flow controller (23) respectively with mass flow control System connection processed.
- 3. mixed combustible gas body burner experimental rig according to claim 1, it is characterised in that on the first supply air line Provided with the first pressure-reducing valve (7) and first check-valve (10), the second supply air line is provided with the second pressure-reducing valve (9) and second check-valve (11)。
- 4. the mixed combustible gas body burner experimental rig according to claim 1 or 3, it is characterised in that also include igniting Branch road and resident burner (25), the first supply air line are provided with branch road triple valve (12), ignite branch road one end and branch road threeway 3rd port of valve (12) connects and the other end connects with resident burner (25).
- 5. mixed combustible gas body burner experimental rig according to claim 4, it is characterised in that also including mass flow Control system, the branch road that ignites are provided with branch road mass flow controller (21), branch road mass flow controller (21) and quality stream Amount control system connects.
- 6. mixed combustible gas body burner experimental rig according to claim 4, it is characterised in that the first pressure-reducing valve (7), First check-valve (10), branch road triple valve (12) are on the first supply air line from the first fuel gas source (1) to the first triple valve (15) Direction is set gradually.
- 7. mixed combustible gas body burner experimental rig according to claim 4, it is characterised in that in main burner (26) Provided with open-topped combustion chamber, resident burner (25) is located at the opening and is used to ignite to the combustion chamber.
- 8. mixed combustible gas body burner experimental rig according to claim 1, it is characterised in that inertia source of the gas (2) with Pipeline between inert gas triple valve (17) is provided with the 3rd pressure-reducing valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362394.5A CN107859998B (en) | 2017-12-18 | 2017-12-18 | Application of mixed combustible gas burner test device in real fire extinguishing training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362394.5A CN107859998B (en) | 2017-12-18 | 2017-12-18 | Application of mixed combustible gas burner test device in real fire extinguishing training |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107859998A true CN107859998A (en) | 2018-03-30 |
| CN107859998B CN107859998B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711362394.5A Active CN107859998B (en) | 2017-12-18 | 2017-12-18 | Application of mixed combustible gas burner test device in real fire extinguishing training |
Country Status (1)
| Country | Link |
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| CN (1) | CN107859998B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112407346A (en) * | 2020-11-12 | 2021-02-26 | 中国空间技术研究院 | Thermal test method and device for metal fiber surface combustion structure |
| CN115201400A (en) * | 2022-04-26 | 2022-10-18 | 安徽理工大学 | Modularized liquefied petroleum gas diffusion burner test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112407346A (en) * | 2020-11-12 | 2021-02-26 | 中国空间技术研究院 | Thermal test method and device for metal fiber surface combustion structure |
| CN115201400A (en) * | 2022-04-26 | 2022-10-18 | 安徽理工大学 | Modularized liquefied petroleum gas diffusion burner test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107859998B (en) | 2023-10-20 |
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