Pilot detonation ignition device system
By designing a pilot deflagration ignition device system, utilizing a DCS control cabinet to remotely monitor the air and gas ratio, and combining this with observation from an ignition camera, the unreliable remote ignition problem in existing technologies has been solved. This enables remote automatic ignition and manual adjustment, ensuring the safe and reliable ignition of petrochemical flare combustion devices.
Patent Information
- Application Number
- CN202520207035.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-10
AI Technical Summary
When existing petrochemical flare combustion devices fail to ignite at high altitudes, they cannot achieve automatic ignition via remote DCS control cabinet. Adjustment is difficult and manual adjustment is cumbersome, resulting in the direct emission of combustible waste gas, polluting the environment and endangering safety.
A pilot deflagration ignition device system was designed, including a continuous light deflagration ignition pipeline, a deflagration ignition ring pipeline, a deflagration mixed fuel gas unit, and a control unit. The air-gas ratio is remotely monitored through a DCS control cabinet to achieve remote automatic ignition, and an ignition camera is equipped to observe the ignition status to ensure successful ignition.
It enables remote automatic adjustment and local manual ignition, ensuring timely ignition of combustible gases in emergency situations, avoiding environmental pollution and equipment safety risks, and improving ignition reliability and safety.
Smart Images

Figure CN223882349U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to petroleum chemical industry torch combustion ignition system technical field, more specifically, it relates to a pilot deflagration ignition device system. BACKGROUND
[0002] In the production process of petroleum chemical industry, coal chemical industry and other chemical devices, harmful combustible gas is generated, or in the case of device failure, the combustible gas needs to be combusted by torch combustion device, ignited and discharged to the atmosphere; Ensure personnel and device safety. When high-altitude ignition fails, deflagration emergency remote ignition is used; The current on-site manual deflagration ignition has poor reliability, difficult adjustment, and even cannot ignite, and has the defects of complicated maintenance. In an emergency, it cannot be successfully ignited in time, resulting in a large amount of combustible waste gas being directly discharged into the air, seriously polluting the environment and endangering the safety of equipment and personnel. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at the deficiency of prior art, provides a pilot deflagration ignition device system, the ignition device system simple structure solves the device must be on the spot groping manual debugging, adjustment, cannot realize remote DCS control cabinet automatic ignition, visual ignition video observation ignition state, remote adjustment automatic ignition function, realizes automatic real-time adjustment according to flowmeter data, DCS control cabinet set data realizes accurate automatic adjustment, automatic ignition, finally realizes remote automatic, remote manual adjustment ignition.
[0004] In order to realize the above-mentioned purpose, the utility model provides a pilot deflagration ignition device system, including:
[0005] The eternal lamp deflagration ignition pipeline is connected with the eternal lamp at one end;
[0006] The deflagration ignition ring pipeline is connected with the deflagration ignition ring at one end;
[0007] The deflagration mixed fuel gas unit is connected with the eternal lamp deflagration ignition control valve and the eternal lamp deflagration ignition ring control valve respectively, the eternal lamp deflagration ignition control valve and the eternal lamp deflagration ignition ring control valve are connected in parallel, the eternal lamp deflagration ignition control valve is connected with the other end of the eternal lamp deflagration ignition pipeline, and the eternal lamp deflagration ignition ring control valve is connected with the other end of the deflagration ring ignition pipeline;
[0008] The deflagration ignition unit is connected with the air inlet pipe and the gas inlet pipe respectively;
[0009] The control unit is connected with the eternal lamp deflagration ignition pipeline, the deflagration ignition ring pipeline, the deflagration mixed fuel gas unit and the deflagration ignition unit.
[0010] Optionally, the deflagration ignition unit comprises:
[0011] The venturi deflagration ignition chamber comprises a small-diameter section, a variable-diameter section and a large-diameter section.
[0012] The air joint and the gas joint are arranged in the small-diameter section.
[0013] The ignition electrode and the ignition camera are arranged in the large-diameter section, and the ignition camera is connected with the control unit.
[0014] Optionally, the ignition camera is connected with the venturi deflagration ignition chamber through an observation mirror, the observation mirror is high-temperature glass, and an air cooling and purging structure is arranged in the venturi deflagration ignition chamber.
[0015] Optionally, the air joint and the gas joint are connected with the small-diameter section through an air nozzle and a gas nozzle, and an included angle is formed between the air nozzle and the gas nozzle, and the included angle ranges from 0° to 90°.
[0016] Optionally, the deflagration mixed fuel gas unit comprises a flowmeter pipeline and an ignition pipeline, the flowmeter pipeline and the ignition pipeline are arranged in parallel, a total flowmeter and a total flow switch valve are arranged on the flowmeter pipeline, and a deflagration double-control ignition valve is arranged on the ignition pipeline.
[0017] Optionally, the control unit is a DCS control cabinet or a PLC control cabinet, the control unit remotely manually controls the flow of the gas control valve and the air control valve according to a remote observation ignition video, and realizes on-site automatic and remote automatic and manual ignition control.
[0018] Optionally, an air ball valve, an air flowmeter, an air check valve, an air control valve and an air needle valve are sequentially arranged on the air inlet pipe, and the air inlet pipe is connected with the air joint.
[0019] Optionally, a gas ball valve, a gas flowmeter, a gas check valve, a gas control valve and a gas needle valve are sequentially arranged on the gas inlet pipe, and the gas inlet pipe is connected with the gas joint.
[0020] Optionally, one of the long-lasting lamps of the high-altitude flare burner is extinguished, the control unit opens the gas control valve, the deflagration double-control ignition valve and the long-lasting lamp deflagration ignition ring control valve, and combustible gas passes through the deflagration ignition ring pipeline to ignite the extinguished long-lasting lamp.
[0021] The utility model provides a pilot deflagration ignition device system, its beneficial effect lies in: this ignition device system introduces air and fuel gas into venturi deflagration ignition chamber, adjusts the proportion of air and fuel gas through the control cooperation of DCS control cabinet and flowmeter, can remotely video observes the ignition state when needing ignition, shows the data of air and fuel gas through DCS control cabinet, adjusts the opening of air control valve and fuel gas control valve according to data, realizes remote or on -the -spot ignition, and can guarantee remote timely ignition success or observes the ignition state through ignition camera, remote control fuel gas control valve, deflagration double -control valve, deflagration ignition ring control valve, and the long lasting light of extinguishing is ignited in time.
[0022] Other features and advantages of the utility model will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS
[0023] The above and other objects, features and advantages of the utility model will become more apparent from the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings in which like reference characters typically identify corresponding components throughout the typical embodiments of the utility model.
[0024] Figure 1 A top structure schematic view of a pilot deflagration ignition device system according to one embodiment of the utility model is shown.
[0025] Figure 2 A structure schematic view of a pilot deflagration ignition device system according to one embodiment of the utility model is shown.
[0026] Figure 3 A side schematic view of venturi deflagration ignition chamber according to one embodiment of the utility model is shown.
[0027] Figure 4 Another side schematic view of venturi deflagration ignition chamber according to one embodiment of the utility model is shown.
[0028] Figure 5 A right view of Figure 3 is shown.
[0029] BRIEF DESCRIPTION OF DRAWINGS
[0030] 1, permanent light; 2, explosion ignition ring pipe; 3, permanent light explosion ignition pipe; 4, explosion ignition ring pipe; 5, permanent light explosion ignition control valve; 6, permanent light explosion ignition ring control valve; 7, explosion double control ignition valve; 8, total flow meter; 9, total flow switch valve; 10, ignition electrode; 11, observation sight glass; 12, venturi explosion ignition chamber; 13, gas joint; 14, air joint; 15, ignition camera; 16, gas needle valve; 17, air needle valve; 18, gas control valve; 19, air control valve; 20, gas flow meter; 21, gas check valve; 22, gas ball valve; 23, gas inlet pipe; 24, air flow meter; 25, air check valve; 26, air ball valve; 27, air inlet pipe; 28, explosion ignition unit outlet; 29, PLC control cabinet; 30, high-energy igniter. DETAILED DESCRIPTION
[0031] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present application can be more thoroughly and completely conveyed to those skilled in the art.
[0032] The present application provides a pilot explosion ignition device system, comprising:
[0033] Permanent light explosion ignition pipe, one end is used for connecting with permanent light;
[0034] Explosion ignition ring pipe, one end is used for connecting with explosion ignition ring pipe;
[0035] Explosion mixed fuel gas unit, the outlet is connected with permanent light explosion ignition control valve and permanent light explosion ignition ring control valve respectively, permanent light explosion ignition control valve and permanent light explosion ignition ring control valve are arranged in parallel, permanent light explosion ignition control valve is connected with the other end of permanent light explosion ignition pipe, and permanent light explosion ignition ring control valve is connected with the other end of explosion ring ignition pipe;
[0036] Explosion ignition unit, the inlet of explosion ignition unit is connected with air inlet pipe and gas inlet pipe respectively;
[0037] Control unit is controlled and connected with permanent light explosion ignition pipe, explosion ignition ring pipe, explosion mixed fuel gas unit and explosion ignition unit.
[0038] Specifically, the automatic deflagration ignition device system is connected with the long-lasting lamp through a long-lasting lamp deflagration ignition pipeline and connected with a deflagration ignition ring tube through a deflagration ignition ring pipeline. Both ignition pipelines are connected with a deflagration mixed fuel gas unit. The ignition device system is controlled by a control unit. An air inlet pipe and a gas inlet pipe send gas to the deflagration ignition unit. According to the combustible gas selected by the control unit, the control unit automatically selects the gas flow and air flow according to the input combustible gas condition and automatically adjusts. When the requirements of the set air flow meter, gas flow meter and total flow meter are met, the ignition pipeline is opened and the flow meter pipeline is closed. According to the control unit, the long-lasting lamp deflagration ignition control valve is opened. The control unit controls the high-energy igniter to ignite. The high-energy igniter generates sparks through the ignition electrode connected by the high-voltage cable, ignites the combustible gas in the venturi deflagration ignition chamber, the flame in the pipeline enters the long-lasting lamp along the long-lasting lamp deflagration ignition pipeline, and the long-lasting lamp is ignited. The control unit selects to open the long-lasting lamp deflagration ignition ring control valve. The control unit controls the high-energy igniter to ignite. The high-energy igniter generates sparks through the ignition electrode connected by the high-voltage cable, ignites the combustible gas in the venturi deflagration ignition chamber, the flame in the pipeline ignites the deflagration ignition ring tube along the deflagration ignition ring pipeline, and finally ignites the long-lasting lamp to ensure successful ignition. If the ignition fails, the video during ignition of the ignition chamber can be used to determine the new parameters, and then the ignition is performed again until the ignition is successful.
[0039] Optionally, the deflagration ignition unit comprises:
[0040] The venturi deflagration ignition chamber comprises a small-diameter section, a variable-diameter section and a large-diameter section.
[0041] The air joint and the gas joint are arranged in the small-diameter section.
[0042] The ignition electrode and the ignition camera are arranged in the large-diameter section, and the ignition camera is connected with the control unit.
[0043] Specifically, the deflagration ignition unit includes an air joint, a gas joint, an ignition electrode and an ignition camera, the Venturi deflagration ignition chamber has three sections connected together, the air and gas inlet ends are connected with the small diameter section of the Venturi deflagration ignition chamber, the large diameter section of the Venturi deflagration ignition chamber is connected with the deflagration mixed fuel gas unit, the ignition electrode and the ignition camera are also arranged in the large diameter section of the Venturi deflagration ignition chamber, when the air and gas enter the Venturi deflagration ignition chamber, the gas flow meter and the air flow meter upload data to the control unit, the control unit receives the flow data and automatically adjusts the air control valve and the gas control valve until the set ignition condition is met, at the same time, the condition of the total flow meter is also met, so that the control unit issues an instruction to ignite the eternal lamp, starts the high-energy igniter, connects the ignition electrode through the high-voltage cable, and ignites the combustible gas in the Venturi deflagration ignition chamber through the ignition electrode, the flame in the pipeline is transmitted to the eternal lamp through the eternal lamp deflagration ignition pipeline, and finally the eternal lamp is ignited; the same control mode can also ignite the deflagration ring.
[0044] Optionally, the ignition camera is connected with the Venturi deflagration ignition chamber through an observation mirror, the observation mirror is high-temperature glass, and an air cooling and blowing structure is arranged in the Venturi deflagration ignition chamber.
[0045] Specifically, on the control unit, the eternal lamp or the deflagration ignition ring that needs to be ignited is selected, the fuel gas used for ignition is selected, after the system is set, the automatic ignition program is executed, the ignition state in the Venturi ignition chamber can be observed through the ignition camera, the flow of the gas control valve and the air control valve is adjusted according to the set flow data, and the ignition process is executed again. The remote control unit can be manually operated, the system valve that needs to be ignited is opened, the high-energy igniter is started according to the flow adjustment, the ignition condition parameters are continuously adjusted until the manual ignition program is successfully implemented. The high-temperature glass and the air cooling and blowing structure are also arranged at the ignition camera, which effectively protects the normal operation of the ignition camera.
[0046] Specifically, when the air and the gas enter the Venturi deflagration ignition chamber through the pipeline, the control valves of the eternal lamp deflagration unit and the deflagration ring ignition unit can be controlled through the remote DCS control cabinet, so that arbitrary independent ignition is realized; the remote DCS control cabinet can also control the opening and closing of the flow meter pipeline and the ignition pipeline by observing the gas flow and the air flow in the combustible gas unit, and control the ignition electrode, so that the eternal lamp and the deflagration ring are ignited.
[0047] Optionally, the air joint and the gas joint are connected with the small diameter section through an air nozzle and a gas nozzle, an included angle is formed between the air nozzle and the gas nozzle, and the included angle ranges from 0° to 90°.
[0048] Optionally, the deflagration mixed fuel gas unit comprises a flow meter pipe and an ignition pipe, the flow meter pipe and the ignition pipe are arranged in parallel, a total flow meter and a total flow switch valve are arranged on the flow meter pipe, and a deflagration double-control ignition valve is arranged on the ignition pipe.
[0049] Specifically, the deflagration mixed fuel gas unit is arranged on the Venturi ignition chamber, the flow rates of the air flow meter and the gas flow meter can be selected and set by the control unit, and the air flow and the gas flow are proportionally adjusted by the air control valve and the gas control valve; when the fuel gas and the air meet the set requirements and the requirements of the total flow meter, the total flow switch valve is closed and the deflagration double-control ignition valve is opened; when the system is set to ignite the long-lasting lamp, the control unit sends an instruction to open the long-lasting lamp deflagration ignition control valve to connect the combustible gas unit with the long-lasting lamp deflagration ignition pipe, the combustible gas in the combustible gas unit is ignited by the ignition electrode arranged on the Venturi deflagration ignition chamber, the flame is transmitted to the long-lasting lamp in the pipe, and the long-lasting lamp is ignited; when the system is set to ignite the deflagration ignition ring pipe, the control unit sends an instruction to open the long-lasting lamp deflagration ignition ring control valve to connect the combustible gas unit with the deflagration ignition ring pipe, the combustible gas in the combustible gas unit is ignited by the ignition electrode arranged on the Venturi deflagration ignition chamber, the flame is transmitted to the deflagration ignition ring in the pipe, the combustible gas unit is connected with the deflagration ignition ring pipe, and the deflagration ignition ring is ignited by the ignition electrode, so that the long-lasting lamp is ignited.
[0050] Optionally, the control unit is a DCS control cabinet or a PLC control cabinet, the control unit remotely manually controls and adjusts the flow rates of the gas control valve and the air control valve according to the remote observation of the ignition video, and realizes the local automatic and remote automatic and manual ignition control.
[0051] Optionally, the air inlet pipe is sequentially provided with an air ball valve, an air flow meter, an air check valve, an air control valve and an air needle valve, and the air inlet pipe is connected with an air joint.
[0052] Optionally, the gas inlet pipe is sequentially provided with a gas ball valve, a gas flow meter, a gas check valve, a gas control valve and a gas needle valve, and the gas inlet pipe is connected with a gas joint.
[0053] Specifically, the air inlet pipe and the gas inlet pipe are respectively provided with a ball valve, a flow meter, a check valve and a control valve, the control unit monitors and controls the entering amounts of the air and the gas through the flow meter and the control valve, and remote control can be realized by cooperating with remote DCS and local PLC, so that the ignition is successfully realized in the first time.
[0054] Optionally, one of the long-lasting lamps of the high-altitude flare combustor is extinguished, the control unit opens the gas control valve, the deflagration double-control ignition valve and the long-lasting lamp deflagration ignition ring control valve, and the combustible gas ignites the extinguished long-lasting lamp through the deflagration ignition ring pipe.
[0055] The pilot deflagration ignition device system can be used for ignition operation, and the ignition method comprises the following steps:
[0056] According to the mixed fuel gas flow of the deflagration mixed fuel gas unit, the gas flow in the air inlet pipe and the gas inlet pipe is controlled;
[0057] When the mixed fuel gas of the deflagration mixed fuel gas unit reaches the required proportion, the control unit controls the deflagration ignition unit to generate sparks, so as to select to ignite the long-lasting lamp or the deflagration ignition ring pipe.
[0058] Embodiment
[0059] As Figures 1 to 5 shown, the utility model provides a pilot deflagration ignition device system, including:
[0060] The long-lasting lamp deflagration ignition pipeline 3 is used for connecting with the long-lasting lamp 1 at one end;
[0061] The deflagration ignition ring pipeline 4 is used for connecting with the deflagration ignition ring pipe 2 at one end;
[0062] The deflagration mixed fuel gas unit is connected with the long-lasting lamp deflagration ignition control valve 5 and the long-lasting lamp deflagration ignition ring control valve 6 respectively, the long-lasting lamp deflagration ignition control valve 5 and the long-lasting lamp deflagration ignition ring control valve 6 are arranged in parallel, the long-lasting lamp deflagration ignition control valve 5 is connected with the other end of the long-lasting lamp deflagration ignition pipeline 3, and the long-lasting lamp deflagration ignition ring control valve 6 is connected with the other end of the deflagration ring ignition pipeline 4;
[0063] The deflagration ignition unit is connected with the air inlet pipe 27 and the gas inlet pipe 23 respectively;
[0064] The control unit is connected with the long-lasting lamp deflagration ignition pipeline 3, the deflagration ignition ring pipeline 4, the deflagration mixed fuel gas unit and the deflagration ignition unit.
[0065] In the embodiment, the deflagration ignition unit comprises:
[0066] The venturi deflagration ignition chamber 12 comprises a small-diameter section, a variable-diameter section and a large-diameter section;
[0067] The air joint 14 and the gas joint 13 are arranged in the small-diameter section;
[0068] The ignition electrode 10 and the ignition camera 15 are arranged in the large-diameter section, and the ignition camera 15 is connected with the control unit.
[0069] In the embodiment, the ignition camera 15 is connected with the venturi deflagration ignition chamber 12 through the observation sight 11, the observation sight 11 is high-temperature glass, and the air cooling and purging structure is arranged in the venturi deflagration ignition chamber 12.
[0070] In the embodiment, the air joint 14 and the gas joint 13 are connected with the small diameter section through air nozzles and gas nozzles, and an included angle is formed between the air nozzles and the gas nozzles, and the included angle ranges from 0° to 90°.
[0071] In the embodiment, the deflagration mixed fuel gas unit comprises a flow meter pipeline and an ignition pipeline, the flow meter pipeline and the ignition pipeline are arranged in parallel, the total flow meter 8 and the total flow switch valve 9 are arranged on the flow meter pipeline, and the deflagration double-control ignition valve 7 is arranged on the ignition pipeline.
[0072] In the embodiment, the control unit is a DCS control cabinet or a PLC control cabinet 29, the control unit controls the flow of the gas control valve 18 and the air control valve 19 according to the remote observation of the ignition video, and realizes the local automatic and remote automatic and manual ignition control.
[0073] In the embodiment, the air inlet pipe 27 is sequentially provided with the air ball valve 26, the air flow meter 24, the air check valve 25, the air control valve 19 and the air needle valve 17, and the air inlet pipe 27 is connected with the air joint 14.
[0074] In the embodiment, the gas inlet pipe 23 is sequentially provided with the gas ball valve 22, the gas flow meter 20, the gas check valve 21, the gas control valve 18 and the gas needle valve 16, and the gas inlet pipe 23 is connected with the gas joint 13.
[0075] In the embodiment, one of the long-lasting lamps of the high-altitude flare burner is extinguished, the control unit opens the gas control valve 18, the deflagration double-control ignition valve 7 and the long-lasting lamp deflagration ignition ring control valve 6, and the combustible gas passes through the deflagration ignition ring pipe 2 to ignite the extinguished long-lasting lamp.
[0076] In summary, when the pilot automatic deflagration ignition device system needs to ignite the long-lasting lamp 1 or the deflagration ignition ring tube 2 in the flare, air is injected into the Venturi deflagration ignition chamber 12 through the air inlet pipe 27, and fuel gas is injected into the Venturi deflagration ignition chamber 12 through the fuel gas inlet pipe 23. The air flow meter 24 and the fuel gas flow meter 20 are used for monitoring the flow of air and fuel gas, respectively. The total flow meter 8 detects the flow of mixed fuel gas. After setting the air-fuel ratio, the PLC control cabinet 29 measures the mixed fuel gas through the total flow meter 8, monitors the fuel gas flow meter 20 through the PLC control cabinet 29, controls the flow of the fuel gas flow valve 18, and monitors the air flow meter 24 to control the air control valve 19. When the air-fuel ratio meets the system setting requirements, the PLC control cabinet 29 controls the total flow switch valve 9 to close and opens the deflagration double-control ignition valve 7 on the ignition pipeline. When the long-lasting lamp 1 needs to be ignited, the system selects to open the long-lasting lamp deflagration ignition control valve 5. The PLC control cabinet 29 sends an instruction, and the control unit sends an ignition instruction to the high-energy igniter 30. The high-energy igniter is connected to the ignition electrode 10 through a cable. The ignition electrode 10 generates an electric spark to ignite the mixed fuel gas in the Venturi deflagration ignition chamber 12. The flame is sent to the long-lasting lamp 1 along the long-lasting lamp deflagration ignition pipe 3, and the ignition of the long-lasting lamp is completed. When the system selects to ignite the deflagration ignition ring tube 2, the PLC control cabinet 29 controls the long-lasting lamp deflagration ignition ring control valve 6 to open. Similarly, the PLC control cabinet 29 sends an instruction, and the control unit sends an ignition instruction to the high-energy igniter 30. The high-energy igniter is connected to the ignition electrode 10 through a cable. The ignition electrode 10 generates an electric spark to ignite the mixed fuel gas in the Venturi deflagration ignition chamber 12. The flame is sent to the deflagration ignition ring tube 2 along the deflagration ignition pipe 4, and the deflagration ignition ring tube 2 is ignited, and the long-lasting lamp 1 is ignited.
[0077] The above has described various embodiments of the present application, and the above description is exemplary and is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A leaded detonating primer ignition device system, characterized by, include: The ignition pipe (3) for the continuous lamp is used to connect to the continuous lamp (1) at one end; The deflagration ignition ring pipe (4) is used to connect to the deflagration ignition ring pipe (2) at one end; The outlet of the deflagration mixed fuel gas unit is connected to the deflagration ignition control valve (5) and the deflagration ignition ring control valve (6) of the lamp respectively. The deflagration ignition control valve (5) and the deflagration ignition ring control valve (6) are arranged in parallel. The deflagration ignition control valve (5) is connected to the other end of the deflagration ignition pipeline (3), and the deflagration ignition ring control valve (6) is connected to the other end of the deflagration ignition ring pipeline (4). The deflagration ignition unit has its inlet connected to the air intake pipe (27) and the gas intake pipe (23) respectively. The control unit is controlled to the continuous light deflagration ignition pipe (3), the deflagration ignition ring pipe (4), the deflagration mixed fuel gas unit, and the deflagration ignition unit.
2. The pilot ignition device system of claim 1, wherein The deflagration ignition unit includes: The Venturi tube explosion ignition chamber (12) includes a small-diameter section, a variable-diameter section and a large-diameter section; An air connector (14) and a gas connector (13) are provided in the small diameter section; An ignition electrode (10) and an ignition camera (15) are disposed on the large-diameter section, and the ignition camera (15) is connected to the control unit.
3. The pilot ignition device system of claim 2, wherein The ignition camera (15) is connected to the Venturi tube deflagration ignition chamber (12) via an observation lens (11). The observation lens (11) is made of high-temperature glass, and the Venturi tube deflagration ignition chamber (12) is equipped with an air cooling and purging structure.
4. The pilot ignition device system of claim 2, wherein The air connector (14) and the gas connector (13) are connected to the small diameter section through an air nozzle and a gas nozzle, respectively. An angle is formed between the air nozzle and the gas nozzle, with the angle ranging from 0° to 90°.
5. The pilot ignition device system of claim 1, wherein The deflagration mixed fuel gas unit includes a flow meter pipe and an ignition pipe, which are connected in parallel. A total flow meter (8) and a total flow switch valve (9) are installed on the flow meter pipe, and a deflagration dual-control ignition valve (7) is installed on the ignition pipe.
6. The pilot ignition device system of claim 1, wherein The control unit is a DCS control cabinet or a PLC control cabinet (29). The control unit remotely and manually controls the flow of the gas control valve (18) and the air control valve (19) based on the remote observation of the ignition video, so as to realize local automatic and remote automatic and manual ignition control.
7. The pilot ignition device system of claim 4, wherein The air intake pipe (27) is sequentially equipped with an air ball valve (26), an air flow meter (24), an air check valve (25), an air control valve (19), and an air needle valve (17), and the air intake pipe (27) is connected to the air connector (14).
8. The pilot ignition device system of claim 7, wherein, The gas inlet pipe (23) is sequentially equipped with a gas ball valve (22), a gas flow meter (20), a gas check valve (21), a gas control valve (18), and a gas needle valve (16), and the gas inlet pipe (23) is connected to the gas connector (13).
9. The pilot ignition device system of claim 8, wherein, When one of the two pilot lamps of the high-altitude torch burner is extinguished, the control unit opens the gas control valve (18), the deflagration double-control ignition valve (7) and the pilot lamp deflagration ignition ring control valve (6), and the combustible gas ignites the extinguished pilot lamp through the deflagration ignition ring pipe (2).