CN210624570U - Multifunctional torch ignition device - Google Patents

Multifunctional torch ignition device Download PDF

Info

Publication number
CN210624570U
CN210624570U CN201921565816.3U CN201921565816U CN210624570U CN 210624570 U CN210624570 U CN 210624570U CN 201921565816 U CN201921565816 U CN 201921565816U CN 210624570 U CN210624570 U CN 210624570U
Authority
CN
China
Prior art keywords
ignition
igniter
firearm
pipeline
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921565816.3U
Other languages
Chinese (zh)
Inventor
李玉兰
李辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Zhongyihui Energy Equipment Manufacturing Co ltd
Original Assignee
Sichuan Zhongyihui Energy Equipment Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Zhongyihui Energy Equipment Manufacturing Co ltd filed Critical Sichuan Zhongyihui Energy Equipment Manufacturing Co ltd
Priority to CN201921565816.3U priority Critical patent/CN210624570U/en
Application granted granted Critical
Publication of CN210624570U publication Critical patent/CN210624570U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The utility model discloses a multi-functional torch ignition, include open flow line, vertical some firearm, horizontal some firearm and the switch board of being connected with the oil gas well, the end of giving vent to anger of open flow line is connected with vertical some firearm and horizontal some firearm respectively through the three-way valve, the switch board is restrainted through integrated pipeline and is connected with vertical some firearm and horizontal some firearm respectively, integrated pipeline bundle module includes the winch and winds the flexible pipe box of putting on the winch, be equipped with oil pipe, trachea and ignition wire in the flexible pipe box. The utility model has the advantages that by arranging the vertical igniter and the horizontal igniter, the igniter can be selected according to the industrial and mining industry, so that the success rate of complex industrial and mining ignition is improved; simultaneously, the bottom plate is arranged at the bottom of the vertical igniter, the prying plate is arranged at the bottom of the horizontal igniter, so that the vertical igniter and the horizontal igniter are integrated into an independent whole, the horizontal igniter and the vertical igniter are moved to an ignition field during use, and the installation time is saved.

Description

Multifunctional torch ignition device
Technical Field
The utility model relates to a torch ignition field especially relates to a multi-functional torch ignition.
Background
During the drilling of oil and gas wells, once the mud in the wellbore is contaminated with formation fluids, the equilibrium relationship between the mud column pressure and the formation pressure is disrupted, resulting in a flood or kick. At the moment, a drilling worker can control a well mouth according to specific conditions, take related measures such as throttling and killing, blowout pipeline blowout and the like, ignite the discharged natural gas, otherwise, the discharged natural gas is mixed with air to a certain proportion and can be subjected to strong explosion, and the natural gas containing hydrogen sulfide can directly threaten the life of drilling personnel. At present, blowout pipeline ignition mode has artifical ignition and device ignition two kinds, the dangerous type of artifical ignition is big, there is very big threat to ignition personnel's life, and the structure of device ignition is various, mainly divide into horizontal ignition and vertical ignition, the ignition distance of horizontal ignition is long, but the power consumption is high, and the ignition distance of vertical ignition is short, the power consumption is low, select the device ignition according to the environment of oil gas well during the use, but to the complicated area of industrial and mining, then need two kinds of ignition device cooperatees and use, but current ignition is assembled through many sets of equipment, the technical staff assembly that needs the specialty during the use, and most equipment all processes has the temperature resistant layer, the workman causes the damage on temperature resistant layer easily when the assembly.
Disclosure of Invention
An object of the utility model is to provide a convenient to use's multi-functional torch ignition.
The utility model aims at realizing through the following technical scheme:
the utility model provides a multi-functional torch ignition, includes open flow pipeline, vertical some firearm, horizontal some firearm and the switch board be connected with the oil gas well, the end of giving vent to anger of open flow pipeline is connected with vertical some firearm and horizontal some firearm respectively through the three-way valve, the switch board is connected with vertical some firearm and horizontal some firearm respectively through integrated pipeline bundle, integrated pipeline bundle module includes the winch and winds the flexible pipe box of putting on the winch, be equipped with oil pipe, trachea and ignition wire in the flexible pipe box.
The vertical igniter comprises a bottom plate and a main torch fixed on the bottom plate, an air inlet pipe is mounted on the side wall of the lower portion of the main torch, a backfire preventer is mounted on the air inlet pipe, the air inlet end of the air inlet pipe is connected with a blowout pipeline, a wind shield is mounted at the top end of the main torch, a combustor is mounted on the wind shield, and the combustor is connected with an integrated pipeline bundle.
The combustor includes venturi, fuel nozzle, compression resistance pipe, air current nozzle, cable, ignition electrode, mixing chamber and combustion chamber, install the quick interface of being connected with integrated pipeline pencil on the bottom plate, be equipped with venturi, compression resistance pipe and the cable that corresponds with integrated pipeline pencil on the quick interface, venturi is connected with fuel nozzle, compression resistance pipe is connected with air current nozzle, the cable is connected with ignition electrode, combustion chamber and windshield intercommunication, the mixing chamber is installed to the combustion chamber bottom, fuel nozzle and air current nozzle all are connected with the mixing chamber, install ignition electrode on the lateral wall of combustion chamber.
Horizontal some firearm includes sled board, burner, ignition ware, high energy pulse point firearm, defeated oil pipe, gas-supply pipe, thermal-insulated fender fire board, burner horizontal installation is on sled board, burner one end and blowout pipeline connection, the burner top is equipped with the ignition ware with burner parallel arrangement, and the one end that the ignition ware is close to the blowout pipeline is connected with defeated oil pipe and gas-supply pipe, is equipped with the high energy pulse point firearm that ignites the ignition ware between ignition ware and the burner, high energy pulse point firearm is close to blowout pipeline one end and is connected with the ignition cable, defeated oil pipe, gas-supply pipe all are connected with integrated pipeline bunch, are connected with the thermal-insulated fender fire board of vertical setting on the ignition ware.
The combustion device is in a cylindrical shape, a plurality of air outlet holes are formed in the top of the combustion device, and an air outlet is formed in the side wall of the upper portion, away from one end of the blowout pipeline, of the combustion device.
The fire-proof device is characterized in that a fixed supporting seat is arranged on the blowout pipeline on one side of the heat-insulating fire baffle, two protection boxes are arranged on the fixed supporting seat, an integrated pipeline bundle is sleeved in one protection box, an oil conveying pipe, an air conveying pipe and an ignition cable are installed in the other protection box, and a slidable sliding cover is sleeved between the two protection boxes.
The control cabinet comprises a cabinet body, an ignition electric control module, a control valve group, a fuel tank, an air compressor and a standby power supply, wherein the ignition control module is installed in the cabinet body and connected with the control valve group, a three-way pipeline connected with two integrated pipeline bundles is arranged on the control valve group, the fuel tank and the air compressor are connected onto the control valve group, and the standby power supply is arranged at the bottom of the cabinet body.
The utility model discloses has following effect:
(1) by arranging the vertical igniter and the horizontal igniter, the igniter can be selected according to the industrial and mining industries, so that the success rate of complex industrial and mining ignition is improved; meanwhile, a bottom plate is arranged at the bottom of the vertical igniter, and a pry plate is arranged at the bottom of the horizontal igniter, so that the vertical igniter and the horizontal igniter are integrated into a single whole, and the horizontal igniter and the vertical igniter are moved to an ignition field during use, so that the installation time is saved;
(2) by arranging the integrated pipeline bundle, the vertical igniter and the horizontal igniter can be quickly connected with the control cabinet, so that the assembly time is shortened, and the damage caused by complex industrial and mining can be reduced;
(3) the venturi tube is arranged in the combustor, so that the flow velocity of fuel oil can be improved, and meanwhile, the transmission distance of the fuel oil is prolonged through the fuel oil nozzle and the airflow nozzle, so that the ignition distance of the fuel oil is increased, and the capacity of the combustor for assisting in industrial and mining is increased;
(4) the heat insulation fire baffle is arranged on the horizontal igniter, so that the high temperature generated by the working of the combustion device can be reduced and transferred to the blowout pipeline, and the service life of the blowout pipeline is prolonged;
(5) the winch is provided with the flexible pipe sleeve in a winding way, so that the integrated pipe line bundle can be conveniently wound and unwound, and meanwhile, the oil pipe, the air pipe and the ignition line can be protected through the flexible pipe sleeve;
(6) the vertical igniter and the horizontal igniter can be quickly connected by connecting the vertical igniter and the horizontal igniter through the integrated pipe harness.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the vertical igniter of the invention.
Fig. 3 is a schematic structural diagram of the horizontal igniter of the invention.
Fig. 4 is a schematic structural diagram of the control cabinet of the present invention.
Fig. 5 is a cross-sectional view of the flexible pipe sleeve of the present invention.
Reference numerals: 1. blowing a pipeline; 11. a three-way valve; 2. a vertical igniter; 21. a base plate; 22. a main torch; 23. an air inlet pipe; 24. a flashback arrestor; 25. a windshield; 26. a burner; 261. a venturi tube; 262. a fuel nozzle; 263. a pressure resistant pipe; 264. an air flow nozzle; 265. a cable; 266. an ignition electrode; 267. a mixing chamber; 268. a combustion chamber; 27. a quick interface; 3. a horizontal igniter; 31. a pry plate; 32. a combustion device; 321. an air outlet; 322. an air outlet; 33. a igniter; 34. a high energy pulse igniter; 35. an oil delivery pipe; 36. a gas delivery pipe; 37. a heat insulating fire shield; 38. fixing the supporting seat; 39. a protective case; 310. a sliding cover; 4. a control cabinet; 41. a cabinet body; 42. an ignition electronic control module; 43. a control valve group; 44. a fuel tank; 45. an air compressor; 46. a standby power supply; 47. a three-way pipeline; 5. integrating a pipeline bundle; 51. a winch; 52. a flexible tube sleeve; 53. an oil pipe; 54. an air tube; 55. an ignition wire.
Detailed Description
Examples
As shown in fig. 1 to 5, the multifunctional torch ignition device provided in this embodiment includes a blowout pipeline 1 connected to an oil and gas well, a vertical igniter 2, a horizontal igniter 3, and a control cabinet 4, an air outlet end of the blowout pipeline 1 is respectively connected to the vertical igniter 2 and the horizontal igniter 3 through a three-way valve 11, the three-way valve 11 is an electromagnetic three-way valve 11, and can conveniently adjust a direction of the blowout pipeline 1 for conveying natural gas, the control cabinet 4 is respectively connected to the vertical igniter 2 and the horizontal igniter 3 through an integrated pipeline bundle 5, the integrated pipeline bundle 5 module includes a winch 51 and a flexible pipe sleeve 52 wound on the winch 51, an oil pipe 53, an air pipe 54 and a firing line 55 are disposed in the flexible pipe sleeve 52, and the oil pipe 53 and the air pipe 54 are both pressure-resistant hoses, and the oil pipe 53 and the firing line 55 are wrapped by the flexible pipe sleeve 52, so, The air pipe 54 and the ignition wire 55 receive heat radiation, so that the service lives of the oil pipe 53, the air pipe 54 and the ignition wire 55 are prolonged, the messy ignition field pipelines can be avoided, the flexible line pipe is wound by the winch 51, the collection and wiring of the integrated line harness 5 can be facilitated, and the time of the installed torch is shortened.
In order to facilitate the quick installation of the vertical igniter 2, the vertical igniter 2 comprises a bottom plate 21 and a main torch 22 fixed on the bottom plate 21, an air inlet pipe 5423 is installed on the side wall of the lower part of the main torch 22, a backfire preventer 24 is installed on the air inlet pipe 5423, the air inlet end of the air inlet pipe 5423 is connected with a blowout pipeline 1, a windshield 25 is installed at the top end of the main torch 22, a combustor 26 is installed on the windshield 25, and the combustor 26 is connected with an integrated pipeline bundle 5; the combustor 26 comprises a venturi tube 261, a fuel nozzle 262, a pressure-resistant pipe 263, an airflow nozzle 264, a cable 265, an ignition electrode 266, a mixing chamber 267 and a combustion chamber 268, wherein a quick connector 27 connected with an integrated pipeline bundle 5 is installed on the bottom plate 21, the venturi tube 261, the pressure-resistant pipe 263 and the cable 265 corresponding to the integrated pipeline bundle 5 are arranged on the quick connector 27, the venturi tube 261 is connected with the fuel nozzle 262, the pressure-resistant pipe 263 is connected with the airflow nozzle 264, the cable 265 is connected with the ignition electrode 266, the combustion chamber 268 is communicated with the windshield 25, the mixing chamber 267 is installed at the bottom of the combustion chamber 268, the fuel nozzle 262 and the airflow nozzle 264 are both connected with the mixing chamber 267, and the ignition electrode 266 is installed on the side wall of the combustion chamber 268; by providing the venturi 261 in connection with the fuel injection nozzle 262, the delivery speed and the injection distance of the fuel can be increased to extend the length of ignition, and by providing the quick connector 27 on the base plate 21, the burner 26 can be easily connected to the integration pipe harness 5, shortening the installation time.
In order to integrate the horizontal igniter 3, the horizontal igniter 3 comprises a pry plate 31, a combustion device 32, a pilot 33, a high-energy pulse igniter 34, an oil pipeline 35, an air pipeline 36 and a heat-insulating fire baffle plate 37, the combustion device 32 is horizontally arranged on the pry plate 31, one end of the combustion device 32 is connected with the blowout pipeline 1, a pilot device 33 arranged in parallel with the combustion device 32 is arranged above the combustion device 32, one end of the pilot device 33 close to the blowout pipeline 1 is connected with an oil pipeline 35 and an air pipeline 36, a high-energy pulse igniter 34 for igniting the pilot device 33 is arranged between the pilot device 33 and the combustion device 32, one end of the high-energy pulse igniter 34 close to the blowout pipeline 1 is connected with an ignition wire 55 cable, the oil pipeline 35 and the gas pipeline 36 are all connected with the integrated pipeline bundle 5, and the igniter 33 is connected with a vertically arranged heat insulation fire baffle plate 37; the combustion device 32 is cylindrical, a plurality of air outlet holes 321 are formed in the top of the combustion device 32, and an air outlet 322 is formed in the side wall of the upper part of one end, away from the blowout pipeline 1, of the combustion device 32; the blowout pipeline 1 on one side of the heat insulation fire baffle 37 is provided with a fixed supporting seat 38, the fixed supporting seat 38 is provided with two protection boxes 39, an integrated pipeline bundle 5 is sleeved in one protection box 39, an oil delivery pipe 35, an air delivery pipe 36 and an ignition cable 55 are installed in the other protection box 39, a slidable sliding cover 310 is sleeved between the two protection boxes 39, through the heat insulation fire baffle 37, the heat corrosion of the blowout pipeline 1 caused by the high temperature generated during the working of the combustion device 32 can be reduced, the service life of the blowout pipeline 1 is prolonged, meanwhile, the protection boxes 39 for installing the integrated pipeline bundle 5 and the combustion device 32 are arranged on the blowout pipeline 1, the sliding covers 310 for connecting the integrated pipeline bundle 5 and the combustion device 32 are arranged between the two protection boxes 39, and the connecting part of the integrated pipeline bundle 5 and the combustion device 32 can be protected.
The control cabinet 4 comprises a cabinet body 41, an ignition electric control module 42, a control valve bank 43, a fuel tank 44, an air compressor 45 and a standby power supply 46, wherein the ignition control module is installed in the cabinet body 41 and is a control module for controlling the ignition of a vertical torch and the ignition of a horizontal torch in the prior art, so that the description is omitted, the ignition control module is connected with the control valve bank 43, the control valve bank 43 provides energy for the vertical igniter 2 and the horizontal igniter 3 under the control of the ignition electric control module 42, the control valve bank 43 is used as a common device in the field of torch ignition, so that the description is omitted, a three-way pipeline 47 connected with the two integrated pipeline bundles 5 is arranged on the control valve bank 43, the fuel tank 44 and the air compressor 45 are connected on the control valve bank 43, and the standby power supply 46 is arranged at the bottom.
The utility model discloses a use method is:
after the vertical igniter 2 and the horizontal igniter 3 are transported to an ignition site, two blowout pipelines 1 are connected with the vertical igniter 2 and the horizontal igniter 3 through a three-way valve 11, then the vertical igniter 2 and the horizontal igniter 3 are connected with a control cabinet 4 through two integrated pipeline bundles 5, then a fuel tank 44 and an air compressor 45 are connected to a control valve group 43 of the control cabinet 4, and finally the power supply of the control cabinet 4 is switched on, so that the assembly of the ignition device is completed.
When in use, because the vertical igniter 2 is energy-saving, the three-way valve 11 leading to the vertical igniter 2 is set to be in a normally open state, the ignition electronic control module 42 controls the burner 26 to work, at the moment, the control valve group 43 sends fuel in the fuel tank 44 into the venturi tube through the oil pipe 53 and sprays out through the fuel nozzle 262, so that the fuel is in an atomized state, meanwhile, compressed air generated by the air compressor 45 is transmitted to the pressure resisting pipe 263 through the air pipe 54 and is sprayed out through the airflow nozzle 264 for blowing up the atomized fuel, at the moment, the ignition electronic control module 42 energizes the ignition electrode 266, the fuel is ignited through the ignition electrode 266, and natural gas is ignited through the ignited fuel. When the air pressure in the blowout pipeline 1 is large, the vertical igniter 2 cannot enable the natural gas sprayed by the blowout pipeline 1 to be completely combusted, the horizontal igniter 3 with good combustion effect is adopted to ignite the natural gas at the moment, when the horizontal igniter 3 works, the three-way valve 11 leading to the horizontal igniter 3 is opened, meanwhile, the fuel in the fuel tank 44 and the air compressor 45 is conveyed to the igniter 33 through the oil conveying pipe 35 and the air conveying pipe 36, then the ignition electronic control module 42 controls the high-energy pulse igniter 34 to ignite the igniter 33, and the natural gas sprayed by the combustion device 32 is ignited through the igniter 33.
The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the protection scope of the present invention.

Claims (7)

1. A multifunctional torch ignition device is characterized in that: include blowout pipeline, vertical some firearm, horizontal some firearm and the switch board of being connected with the oil gas well, the end of giving vent to anger of blowout pipeline is connected with vertical some firearm and horizontal some firearm respectively through the three-way valve, the switch board is connected with vertical some firearm and horizontal some firearm respectively through integrated pipeline bundle, integrated pipeline bundle module includes the winch and winds the flexible pipe box of putting on the winch, be equipped with oil pipe, trachea and firing line in the flexible pipe box.
2. A multi-functional torch ignition device as defined in claim 1, wherein: the vertical igniter comprises a bottom plate and a main torch fixed on the bottom plate, an air inlet pipe is mounted on the side wall of the lower portion of the main torch, a backfire preventer is mounted on the air inlet pipe, the air inlet end of the air inlet pipe is connected with a blowout pipeline, a wind shield is mounted at the top end of the main torch, a combustor is mounted on the wind shield, and the combustor is connected with an integrated pipeline bundle.
3. A multi-functional torch ignition device as defined in claim 2, wherein: the combustor includes venturi, fuel nozzle, compression resistance pipe, air current nozzle, cable, ignition electrode, mixing chamber and combustion chamber, install the quick interface of being connected with integrated pipeline pencil on the bottom plate, be equipped with venturi, compression resistance pipe and the cable that corresponds with integrated pipeline pencil on the quick interface, venturi is connected with fuel nozzle, compression resistance pipe is connected with air current nozzle, the cable is connected with ignition electrode, combustion chamber and windshield intercommunication, the mixing chamber is installed to the combustion chamber bottom, fuel nozzle and air current nozzle all are connected with the mixing chamber, install ignition electrode on the lateral wall of combustion chamber.
4. A multi-functional torch ignition device as claimed in any one of claims 1 to 3, wherein: horizontal some firearm includes sled board, burner, ignition ware, high energy pulse point firearm, defeated oil pipe, gas-supply pipe, thermal-insulated fender fire board, burner horizontal installation is on sled board, burner one end and blowout pipeline connection, the burner top is equipped with the ignition ware with burner parallel arrangement, and the one end that the ignition ware is close to the blowout pipeline is connected with defeated oil pipe and gas-supply pipe, is equipped with the high energy pulse point firearm that ignites the ignition ware between ignition ware and the burner, high energy pulse point firearm is close to blowout pipeline one end and is connected with the ignition cable, defeated oil pipe, gas-supply pipe all are connected with integrated pipeline bunch, are connected with the thermal-insulated fender fire board of vertical setting on the ignition ware.
5. A multi-functional torch ignition device as defined in claim 4, wherein: the combustion device is in a cylindrical shape, a plurality of air outlet holes are formed in the top of the combustion device, and an air outlet is formed in the side wall of the upper portion, away from one end of the blowout pipeline, of the combustion device.
6. A multi-functional torch ignition device as defined in claim 5, wherein: the fire-proof device is characterized in that a fixed supporting seat is arranged on the blowout pipeline on one side of the heat-insulating fire baffle, two protection boxes are arranged on the fixed supporting seat, an integrated pipeline bundle is sleeved in one protection box, an oil conveying pipe, an air conveying pipe and an ignition cable are installed in the other protection box, and a slidable sliding cover is sleeved between the two protection boxes.
7. A multi-functional torch ignition device as defined in claim 6, wherein: the control cabinet comprises a cabinet body, an ignition electric control module, a control valve group, a fuel tank, an air compressor and a standby power supply, wherein the ignition electric control module is installed in the cabinet body and connected with the control valve group, a three-way pipeline connected with two integrated pipeline bundles is arranged on the control valve group, the fuel tank and the air compressor are connected onto the control valve group, and the standby power supply is arranged at the bottom of the cabinet body.
CN201921565816.3U 2019-09-20 2019-09-20 Multifunctional torch ignition device Active CN210624570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921565816.3U CN210624570U (en) 2019-09-20 2019-09-20 Multifunctional torch ignition device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921565816.3U CN210624570U (en) 2019-09-20 2019-09-20 Multifunctional torch ignition device

Publications (1)

Publication Number Publication Date
CN210624570U true CN210624570U (en) 2020-05-26

Family

ID=70759363

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921565816.3U Active CN210624570U (en) 2019-09-20 2019-09-20 Multifunctional torch ignition device

Country Status (1)

Country Link
CN (1) CN210624570U (en)

Similar Documents

Publication Publication Date Title
CN107356119A (en) A kind of multisection type strengthens assisted sintering type ignition holding furnace and its application method
CN102944020A (en) Mash gas incineration system with metal fibre burner
CN210624570U (en) Multifunctional torch ignition device
CN211475973U (en) Petrochemical enterprise integrated ignition safety emptying torch with improved stability
CN206771382U (en) Two-in-one intelligent ignition device
CN213810611U (en) Torch combustion control device
CN210485764U (en) Horizontal plasma ignition device
CN2729303Y (en) Drilling spray electronic ignitor
CN108716692B (en) Folding ignition device and control method thereof
CN201386543Y (en) High-energy electronic ignition system of high pressure natural gas well
CN204268491U (en) Three-in-one altar lamp
CN210138580U (en) High-efficient tail gas treatment system
CN210118772U (en) GPRS remote control's solar energy unloading torch ignition system
CN202092157U (en) All-weather intelligent ignition device
CN210485762U (en) Vertical plasma ignition device
CN213421165U (en) Electric arc formula ignition
CN206222339U (en) A kind of separator open flow igniter
CN207849421U (en) A kind of detonation ignitor
CN219624063U (en) Emptying torch
CN213656831U (en) Novel solar remote control ignition device
CN209355301U (en) CZBK series multiple group type igniter
CN206803751U (en) A kind of portable sintering ignition structure
CN210951316U (en) Test is with little gas volume combustor
CN210107427U (en) Combined combustion device for well drilling
CN210485763U (en) Combined plasma ignition device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant