CN110594764A - Flame anti-backfire device for thermal power plant - Google Patents
Flame anti-backfire device for thermal power plant Download PDFInfo
- Publication number
- CN110594764A CN110594764A CN201910933653.8A CN201910933653A CN110594764A CN 110594764 A CN110594764 A CN 110594764A CN 201910933653 A CN201910933653 A CN 201910933653A CN 110594764 A CN110594764 A CN 110594764A
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- China
- Prior art keywords
- main body
- main part
- thermal power
- groove
- water
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Classifications
-
- 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
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/82—Preventing flashback or blowback
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2209/00—Safety arrangements
- F23D2209/10—Flame flashback
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a torch anti-backfire device for a thermal power plant, which comprises a top cover, wherein a fire nozzle is arranged at the central position of the upper surface of the top cover, a main body is arranged on the inner wall of the top cover at a position close to the bottom end in a threaded manner, a water storage tank is arranged in the main body, four water pumping pipelines are embedded in the main body at a position close to the bottom end of the periphery of the water storage tank, an annular water storage tank is arranged at a position close to the middle part of the periphery of the main body, the other end of each water pumping pipeline penetrates through the main body and is communicated with the water storage tank, a water pump is arranged at the bottom end; through the storage water tank and the catch basin isotructure that set up, made things convenient for its whole water seal when using during the use to carry out effectual cooling, prevent that its condition that appears high temperature tempering from taking place, and cooperation hydraulic pump isotructure, make and strengthen its leakproofness when using, prevent that it from appearing the condition such as leaking.
Description
Technical Field
The invention relates to the technical field of backfire prevention, in particular to a torch backfire prevention device for a thermal power plant.
Background
A thermal power plant, referred to as a thermal power plant, is a plant that produces electric energy using a combustible (e.g., coal) as a fuel. The basic production process is as follows: when the fuel is burnt, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, so that the mechanical energy is converted into electric energy. The prime mover is typically a steam or gas turbine, and in some smaller power plants, it is also possible to use an internal combustion engine. They generate electricity by taking advantage of the pressure drop during the conversion of high temperature, high pressure steam or gas through a turbine to low pressure air or condensate. In the prior art, when a thermal power plant works, waste gas in the thermal power plant is generally prevented from polluting the environment, and a torch is used for burning the waste gas.
However, the prior art torch has the following disadvantages when in use:
1. the anti-backfire equipment of the torch in the prior art is generally combined by adopting two or more one-way valves, but the anti-backfire structure of the anti-backfire equipment cannot reach the anti-backfire structure when the anti-backfire equipment is used, so that the requirement of the prior art cannot be met.
2. When the torch in the prior art is used, the structure is simple, the sealing performance is poor when the top cover of the torch is installed, and therefore the requirement of the prior art cannot be met.
Disclosure of Invention
The invention aims to provide a torch anti-backfire device for a thermal power plant, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a thermal power plant is with torch anti-backfire device, puts including top cap upper surface central point and has seted up the bocca, the top cap inner wall be close to bottom department screw thread and install the main part, the main part still include: a water storage tank; a water storage tank; a water pumping pipeline; a water pump; the water storage tank is arranged in the main body, four water pumping pipelines are embedded in the main body at the position, close to the bottom end, of the periphery of the water storage tank, an annular water storage tank is arranged at the position, close to the middle part, of the periphery of the main body, the other end of each water pumping pipeline penetrates through the main body and is communicated with the corresponding water storage tank, a water pump is installed at the inner bottom end of the water storage tank through a bolt, and four water pumping pipelines are installed at the output end of the water pump;
wherein, the catch basin be used for carrying out the water seal when using, leak appears when preventing it from using to carry out the effect of cooling.
Preferably, the main body further comprises: an inner tank; a main pipeline; a groove; an exhaust pipe; the main part in seted up the trunk line, trunk line one end run through the main part bottom, the main part of the trunk line other end in seted up the inside groove, inside groove one end middle part seted up the recess, the peripheral one end periphery that is close to the recess of inside groove evenly seted up four groups exhaust hole, every group the exhaust hole have three pipelines to constitute, the exhaust hole all link up each other with the periphery of main part.
Preferably, the main body further comprises: a connecting rod; a piston plate; a through hole; the piston plate is sleeved in the inner groove, a through hole is formed in the middle of the piston plate, and three connecting rods are uniformly welded at the position, close to the periphery, of one end, far away from the groove, of the piston plate.
Preferably, the main body further comprises: a limiting groove; a sliding plate; a fifth seal ring; the main body on one side of the inner groove is internally provided with a limiting groove, a sliding plate is sleeved in the limiting groove, one end of the connecting rod penetrates through the main body and is inserted into the limiting groove, the sliding plate is welded in the sliding plate, and a fifth sealing ring is embedded on the periphery of the sliding plate.
Preferably, the main body further comprises: a hydraulic tube; a hydraulic pump; an oil tank; the main part in the oil tank, the main part of oil tank below in inlay and have the hydraulic pump, the main part of hydraulic pump output in inlay and have the hydraulic pressure pipe, the hydraulic pressure pipe other end link up each other with the one end of spacing groove.
Preferably, the main body further comprises: a seal member; an igniter; the central position of the top end of the main body is provided with a sealing element in a threaded manner, and the central position of the upper surface of the sealing element is provided with an igniter.
Preferably, the inner tank further comprises: a fourth seal ring; and fourth sealing rings are embedded in one end of the inner groove and the groove.
Preferably, the main body further comprises: a third seal ring; and a third sealing ring is embedded on the contact surface of the main body and the top cover.
Preferably, the top cover further comprises: an outer ring; a spring; the outer ring is sleeved between the periphery of the top cover and the main body, the spring is sleeved between the outer ring and the top cover, one end of the spring is welded on the outer ring, and the other end of the spring is welded on the top cover.
Preferably, the outer ring further comprises: a first seal ring; a second seal ring; the outer ring and top cap contact surface department inlay and have the second sealing washer, the outer ring be close to one side of main part and inlay and have first sealing washer.
Compared with the prior art, the invention has the beneficial effects that:
1. the water storage tank and the water storage tank are arranged, so that the water seal is conveniently carried out on the whole body when the water storage tank and the water storage tank are used, the effective cooling is carried out, the high-temperature tempering condition is prevented from occurring, the hydraulic pump and other structures are matched, the sealing performance is enhanced when the water storage tank and the water storage tank are used, and the leakage condition is prevented from occurring.
2. Through setting up outer loop and spring cooperation second sealing washer and first sealing washer, strengthen its holistic leakproofness when using, produce the power of a resilience when the extrusion to make its holistic leakproofness strengthened when using.
Drawings
FIG. 1 is a schematic overall sectional view of the present invention;
FIG. 2 is an enlarged view of the area of FIG. 1A according to the present invention;
FIG. 3 is an enlarged structural view of the area shown in FIG. 1B according to the present invention;
fig. 4 is a schematic overall front view structure of the present invention.
In the figure: 1-a top cover; 11-a flame-throwing port; 12-an outer rod; 13-a handle; 2-the outer ring; 21-a first sealing ring; 22-a second sealing ring; 23-a spring; 3-a body; 31-a third seal ring; 32-a reservoir; 33-a water storage tank; 34-a water pumping pipeline; 35-a limiting groove; 36-a connecting rod; 37-a piston plate; 38-a through hole; 39-inner groove; 310-a main pipeline; 311-a groove; 312-vent hole; 313-a fourth seal ring; 314-hydraulic pipes; 315-sliding plate; 316-fifth sealing ring; 317-a water pump; 4-a seal; 41-an igniter; 42-a fuel tank; 43-Hydraulic Pump
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a thermal power plant is with torch anti-backfire device, includes 1 upper surface central point of top cap and puts and seted up bocca 11, 1 inner wall of top cap be close to bottom department screw thread and install main part 3, main part 3 still include: a water storage tank 33; a reservoir 32; a water pumping pipe 34; a water pump 317; a water storage tank 33 is arranged in the main body 3, four water pumping pipelines 34 are embedded in the main body 3 at the position, close to the bottom end, of the periphery of the water storage tank 33, an annular water storage tank 32 is arranged at the position, close to the middle part, of the periphery of the main body 3, the other end of each water pumping pipeline 34 penetrates through the main body 3 and is communicated with the corresponding water storage tank 32, a water pump 317 is installed at the inner bottom end of the water storage tank 33 through bolts, and four water pumping pipelines 34 are installed at the output end of the water pump 317;
the water storage tank 32 is used for water sealing during use, leakage during use is prevented, and cooling is performed.
The main body 3 further comprises: an inner groove 39; a main conduit 310; a recess 311; an exhaust pipe 312; a connecting rod 36; a piston plate 37; a through hole 38; main part 3 in seted up trunk line 310, main line 310 one end run through 3 bottoms of main part, main part 3 of the main part 310 other end in seted up interior groove 39, interior groove 39 one end middle part seted up recess 311, interior groove 39 peripheral one end periphery that is close to recess 311 evenly seted up four sets of exhaust holes 312, every group exhaust hole 312 have three root canals to constitute, exhaust hole 312 all link up each other with the periphery of main part 3, interior groove 39 in cup jointed piston plate 37, piston plate 37 in the middle part seted up through-hole 38, piston plate 37 one end of keeping away from recess 311 be close to peripheral department uniform welding and have three connecting rods 36.
The piston plate 37 can be opened and closed through the inner groove 39 to achieve the purpose of sealing and opening.
The main body 3 further comprises: a limit groove 35; a sliding plate 315; a fifth seal ring 316; a limiting groove 35 is formed in the main body 3 on one side of the inner groove 39, a sliding plate 315 is sleeved in the limiting groove 35, one end of the connecting rod 36 penetrates through the main body 3 and is inserted into the limiting groove 35 to be welded on the sliding plate 315, and a fifth sealing ring 316 is embedded on the periphery of the sliding plate 315.
The main body 3 further comprises: a hydraulic pipe 314; a hydraulic pump 43; a fuel tank 42; a fourth seal ring 313; a third seal ring 31; main part 3 in seted up oil tank 42, main part 3 of oil tank 42 below in inlayed and to have hydraulic pump 43, main part 3 of hydraulic pump 43 output in inlayed and to have hydraulic pressure pipe 314, the hydraulic pressure pipe 314 other end link up each other with the one end of spacing groove 35, inside groove 39 one end and recess 311 in all inlayed and to have fourth sealing washer 313, main part 3 and top cap 1 contact surface inlay and to have third sealing washer 31.
In summary, the following steps: when the water pump 317 is started for three seconds, the hydraulic pump 43 is started to push the sliding plate 315 out, so that the piston plate 37 is closed and sealed, and the water level continuously rises, the inside of the water pump reaches the purpose of water sealing, so that the purpose of preventing backfire is more effectively realized during use.
Example 2:
referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a thermal power plant is with torch anti-backfire device, includes 1 upper surface central point of top cap and puts and seted up bocca 11, 1 inner wall of top cap be close to bottom department screw thread and install main part 3, main part 3 still include: a water storage tank 33; a reservoir 32; a water pumping pipe 34; a water pump 317; a water storage tank 33 is arranged in the main body 3, four water pumping pipelines 34 are embedded in the main body 3 at the position, close to the bottom end, of the periphery of the water storage tank 33, an annular water storage tank 32 is arranged at the position, close to the middle part, of the periphery of the main body 3, the other end of each water pumping pipeline 34 penetrates through the main body 3 and is communicated with the corresponding water storage tank 32, a water pump 317 is installed at the inner bottom end of the water storage tank 33 through bolts, and four water pumping pipelines 34 are installed at the output end of the water pump 317;
the water storage tank 32 is used for water sealing during use, leakage during use is prevented, and cooling is performed.
The main body 3 further comprises: an inner groove 39; a main conduit 310; a recess 311; an exhaust pipe 312; a connecting rod 36; a piston plate 37; a through hole 38; main part 3 in seted up trunk line 310, main line 310 one end run through 3 bottoms of main part, main part 3 of the main part 310 other end in seted up interior groove 39, interior groove 39 one end middle part seted up recess 311, interior groove 39 peripheral one end periphery that is close to recess 311 evenly seted up four sets of exhaust holes 312, every group exhaust hole 312 have three root canals to constitute, exhaust hole 312 all link up each other with the periphery of main part 3, interior groove 39 in cup jointed piston plate 37, piston plate 37 in the middle part seted up through-hole 38, piston plate 37 one end of keeping away from recess 311 be close to peripheral department uniform welding and have three connecting rods 36.
The main body 3 further comprises: a limit groove 35; a sliding plate 315; a fifth seal ring 316; a limiting groove 35 is formed in the main body 3 on one side of the inner groove 39, a sliding plate 315 is sleeved in the limiting groove 35, one end of the connecting rod 36 penetrates through the main body 3 and is inserted into the limiting groove 35 to be welded on the sliding plate 315, and a fifth sealing ring 316 is embedded on the periphery of the sliding plate 315.
The main body 3 further comprises: a hydraulic pipe 314; a hydraulic pump 43; a fuel tank 42; a fourth seal ring 313; a third seal ring 31; main part 3 in seted up oil tank 42, main part 3 of oil tank 42 below in inlayed and to have hydraulic pump 43, main part 3 of hydraulic pump 43 output in inlayed and to have hydraulic pressure pipe 314, the hydraulic pressure pipe 314 other end link up each other with the one end of spacing groove 35, inside groove 39 one end and recess 311 in all inlayed and to have fourth sealing washer 313, main part 3 and top cap 1 contact surface inlay and to have third sealing washer 31.
The main body 3 further comprises: a seal 4; an igniter 41; a sealing piece 4 is arranged at the center of the top end of the main body 3 in a threaded manner, and an igniter 41 is arranged at the center of the upper surface of the sealing piece 4
The top cover 1 further comprises: an outer ring 2; a spring 23; a first seal ring 21; a second seal ring 22; top cap 1 periphery and main part 3 between cup jointed outer loop 2, outer loop 2 and top cap 1 between cup jointed spring 23, spring 23 one end welding on outer loop 2, the other end welding of spring 23 on top cap 1, outer loop 2 and top cap 1 contact surface department inlay and have second sealing washer 22, outer loop 2 be close to one side of main part 3 and inlay and have first sealing washer 21.
In summary, the following steps: when needs are closed when using, through the rotatory top cap 1 of handle 13, and through the effect of spring and outer loop 2, make it receive the extrusion when main part 3 extrudees outer loop 2, thereby strengthened its holistic sealed effect, water pump 317 opens simultaneously and sprays water in to catch basin 32, thereby reach the purpose of cooling, wherein hydraulic pump 43 opens and pushes out sliding plate 315 after opening water pump 317 three seconds, make piston plate 37 carry out the closure sealed, and under the condition that the water level constantly rises, inside at this moment has reached the purpose of water seal, thereby make the more effective mesh of preventing tempering when using.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate components may or may not be physically separate, and components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a thermal power plant is with torch anti-backfire device, includes top cap (1) upper surface central point and puts and seted up bocca (11), top cap (1) inner wall be close to bottom department screw thread and install main part (3), its characterized in that, main part (3) still include:
a water storage tank (33);
a reservoir (32);
a pumping duct (34);
a water pump (317);
main part (3) inside seted up storage water tank (33), storage water tank (33) periphery be close to main part (3) of bottom department in inlay and have four drinking-water pipelines (34), main part (3) periphery be close to middle part department and seted up annular catch basin (32), drinking-water pipeline (34) other end run through main part (3) and catch basin (32) and link up each other, catch basin (33) inner bottom department install water pump (317) through the bolt, water pump (317) output end screw thread install four drinking-water pipelines (34).
2. A flare flashback arrestor for thermal power plants as claimed in claim 1, wherein the main body (3) further comprises:
an inner tank (39);
a main conduit (310);
a recess (311);
an exhaust pipe (312);
main part (3) in seted up trunk line (310), trunk line (310) one end run through main part (3) bottom, main part (3) of trunk line (310) other end in seted up inside groove (39), inside groove (39) one end middle part set up recess (311), inside groove (39) periphery be close to the one end periphery of recess (311) and evenly seted up four sets of exhaust holes (312), every group exhaust hole (312) have three pipelines to constitute, exhaust hole (312) all link up each other with the periphery of main part (3).
3. A flare flashback arrestor for thermal power plants as claimed in claim 2, wherein the main body (3) further comprises:
a connecting rod (36);
a piston plate (37);
a through hole (38);
the improved structure is characterized in that a piston plate (37) is sleeved in the inner groove (39), a through hole (38) is formed in the middle of the piston plate (37), and three connecting rods (36) are uniformly welded at the position, close to the periphery, of one end, far away from the groove (311), of the piston plate (37).
4. A flare flashback arrestor for thermal power plants according to claim 3, wherein the main body (3) further comprises:
a limit groove (35);
a sliding plate (315);
a fifth seal ring (316);
a limiting groove (35) is formed in the main body (3) on one side of the inner groove (39), a sliding plate (315) is sleeved in the limiting groove (35), one end of the connecting rod (36) penetrates through the main body (3) and is inserted into the limiting groove (35) to be welded on the sliding plate (315), and a fifth sealing ring (316) is inlaid on the periphery of the sliding plate (315).
5. A flare flashback arrestor for thermal power plants according to claim 4, wherein the main body (3) further comprises:
a hydraulic tube (314);
a hydraulic pump (43);
a fuel tank (42);
main part (3) in seted up oil tank (42), main part (3) of oil tank (42) below in inlayed hydraulic pump (43), main part (3) of hydraulic pump (43) output in inlayed hydraulic pressure pipe (314), the one end of the hydraulic pressure pipe (314) other end and spacing groove (35) link up each other.
6. A flare flashback arrestor for thermal power plants according to claim 4, wherein the main body (3) further comprises:
a seal (4);
an igniter (41);
the main part (3) top central point put threaded mounting have sealing member (4), sealing member (4) upper surface central point put mounting have some firearm (41).
7. A flare flashback arrestor for thermal power plants as set forth in claim 2, wherein the inner tank (39) further comprises:
a fourth seal ring (313);
and a fourth sealing ring (313) is embedded in one end of the inner groove (39) and the groove (311).
8. A flare flashback arrestor for thermal power plants as claimed in claim 1, wherein the main body (3) further comprises:
a third seal ring (31);
and a third sealing ring (31) is embedded on the contact surface of the main body (3) and the top cover (1).
9. A flare flashback arrestor for thermal power plants as claimed in claim 1, wherein the top cover (1) further comprises:
an outer ring (2);
a spring (23);
outer ring (2) is sleeved between the periphery of top cover (1) and main body (3), spring (23) is sleeved between outer ring (2) and top cover (1), one end of spring (23) is welded on outer ring (2), and the other end of spring (23) is welded on top cover (1).
10. A flare flashback arrestor for thermal power plants as set forth in claim 9, wherein the outer ring (2) further comprises:
a first seal ring (21);
a second seal ring (22);
outer ring (2) and top cap (1) contact surface department inlay and have second sealing washer (22), outer ring (2) one side that is close to main part (3) inlay and have first sealing washer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933653.8A CN110594764B (en) | 2019-09-29 | 2019-09-29 | Flame anti-backfire device for thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933653.8A CN110594764B (en) | 2019-09-29 | 2019-09-29 | Flame anti-backfire device for thermal power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110594764A true CN110594764A (en) | 2019-12-20 |
| CN110594764B CN110594764B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910933653.8A Active CN110594764B (en) | 2019-09-29 | 2019-09-29 | Flame anti-backfire device for thermal power plant |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434543Y (en) * | 2000-08-01 | 2001-06-13 | 张直 | Device for preventing fast flareback of gas |
| CN2589823Y (en) * | 2002-12-25 | 2003-12-03 | 江苏博际喷雾系统有限公司 | High-efficiency cooling flame cutting gun |
| KR20170050964A (en) * | 2015-11-02 | 2017-05-11 | 정연흥 | Automatic back fire protector equipped in gas fired facility |
| CN208124291U (en) * | 2018-04-06 | 2018-11-20 | 贵州安达科技能源股份有限公司 | A kind of device for preventing gas backstreaming from causing explosion |
| CN209054570U (en) * | 2019-02-18 | 2019-07-02 | 克拉玛依顺通环保科技有限责任公司 | A kind of fixed gas ground surface blockage torch assembly |
-
2019
- 2019-09-29 CN CN201910933653.8A patent/CN110594764B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434543Y (en) * | 2000-08-01 | 2001-06-13 | 张直 | Device for preventing fast flareback of gas |
| CN2589823Y (en) * | 2002-12-25 | 2003-12-03 | 江苏博际喷雾系统有限公司 | High-efficiency cooling flame cutting gun |
| KR20170050964A (en) * | 2015-11-02 | 2017-05-11 | 정연흥 | Automatic back fire protector equipped in gas fired facility |
| CN208124291U (en) * | 2018-04-06 | 2018-11-20 | 贵州安达科技能源股份有限公司 | A kind of device for preventing gas backstreaming from causing explosion |
| CN209054570U (en) * | 2019-02-18 | 2019-07-02 | 克拉玛依顺通环保科技有限责任公司 | A kind of fixed gas ground surface blockage torch assembly |
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| Publication number | Publication date |
|---|---|
| CN110594764B (en) | 2020-11-13 |
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