Furnace gas supply ignition device, system and method

Abstract

The invention provides a furnace gas supply ignition device and system, and relates to the technical field of industrial furnace gas supply ignition, and the furnace gas supply ignition device comprises a butterfly valve arranged at the first end of a first pipeline and used for opening the first end under the control of a processor; the blind plate valve is arranged at the second end of the first pipeline and is used for opening the second end under the control of the processor; and the processor is used for controlling the blind plate valve to execute opening operation according to the opening and closing conditions of the butterfly valve.

Description

Technical Field

[0001] The present invention relates to the technical field of industrial furnace gas supply and ignition, and in particular to a furnace gas supply and ignition device, system and method. Background Art

[0002] Coal gas is a byproduct of steel and metallurgical enterprises and an indispensable energy source for their production, playing a crucial role in the industry. However, due to its flammability, explosiveness, and toxicity, it poses significant risks and losses to steel companies. Industrial furnace gas systems primarily include gas pipelines, isolation devices (a combination of electric butterfly valves and electric blind plate valves), purge and venting, and ignition burners, among other gas equipment and facilities.

[0003] Gas supply and ignition operations in furnace gas systems are usually done manually, which can easily lead to accidents due to improper operation sequence or incomplete valve closure. Summary of the Invention

[0004] The present invention provides a furnace gas supply and ignition device, which is used to solve the problem in the related art that accidents may occur due to manual gas supply and ignition operations.

[0005] In a first aspect, an embodiment of the present invention provides a furnace gas supply and ignition device, the furnace gas supply and ignition device comprising:

[0006] a butterfly valve, disposed at the first end of the first pipeline, for opening the first end under the control of the processor;

[0007] a blind plate valve, disposed at the second end of the first pipeline, and configured to open the second end under the control of the processor;

[0008] The processor is used to control the blind plate valve to perform an opening operation when the butterfly valve is closed.

[0009] Optionally, the furnace gas supply ignition device further includes:

[0010] a pressure measuring unit, disposed in the first pipeline, for detecting a pressure value in the first pipeline and sending the pressure value to the processor;

[0011] The processor is further configured to control the blind plate valve to perform an opening operation according to the pressure value.

[0012] Optionally, the furnace gas supply ignition device further includes:

[0013] a second pipe, wherein a first end of the second pipe is disposed adjacent to a second end of the first pipe;

[0014] a first vent pipe, provided in the second pipeline, for discharging gas in the second pipeline;

[0015] an oxygen measuring unit, disposed in the first emission pipe, for detecting an oxygen value in the second pipe and sending the oxygen value to the processor;

[0016] The processor is further configured to control the butterfly valve to perform an opening operation according to the oxygen value.

[0017] Optionally, the furnace gas supply ignition device further includes:

[0018] a carbon monoxide measuring unit, disposed in the chimney, the chimney being adjacent to the second end of the flue, the first end of the flue being adjacent to the second end of the heating furnace, the first end of the heating furnace being adjacent to the second end of the second pipe, for detecting the carbon monoxide value in the flue and sending the carbon monoxide value to the processor;

[0019] An ignition unit is provided in the heating furnace and is used to perform an ignition operation under the control of the processor. The processor is also used to control the ignition unit to perform an ignition operation according to the carbon monoxide value.

[0020] Optionally, the furnace gas supply ignition device further includes:

[0021] The regulating valve is provided in the second pipeline and is used to adjust the flow rate of the gas in the second pipeline.

[0022] Optionally, the furnace gas supply ignition device further includes:

[0023] A manual valve is provided in a target area of ​​the second pipeline, wherein the target area is an area between the first vent pipe and the second end of the second pipeline, and is used for inspecting the furnace gas supply ignition device.

[0024] Optionally, the furnace gas supply ignition device further includes:

[0025] a flue valve, disposed in the flue, for controlling the flow of the flue under the control of the processor;

[0026] The processor is further configured to control the flue valve to perform an opening operation.

[0027] Optionally, the furnace gas supply ignition device further includes:

[0028] a quick shut-off valve, disposed in the target area, for opening the target area under the control of the processor;

[0029] The processor is further configured to control the quick shut-off valve to open according to the carbon monoxide value.

[0030] Optionally, the furnace gas supply ignition device further includes:

[0031] a flame detection unit, provided in the heating furnace, for detecting the flame condition in the heating furnace under the control of the processor, and sending the flame condition to the processor;

[0032] The processor is used to control the flame detection unit to detect the flame condition in the heating furnace after controlling the ignition unit to perform the ignition operation.

[0033] In a second aspect, an embodiment of the present invention provides a furnace gas supply and ignition system, the furnace gas supply and ignition system comprising:

[0034] kiln body;

[0035] Chimney body;

[0036] Device, according to the furnace gas supply and ignition device described in the first aspect.

[0037] The present invention provides a furnace gas supply and ignition device, comprising: a butterfly valve disposed at a first end of a first pipe, configured to open the first end under the control of a processor; a blind plate valve disposed at a second end of the first pipe, configured to open the second end under the control of the processor; the processor configured to control the blind plate valve to open when the butterfly valve is closed. Thus, controlling the butterfly valve and the blind plate valve by the processor not only enables automatic valve opening and closing, reducing manual intervention during the gas supply and ignition process, but also enables an interlocking design by the processor, controlling the blind plate valve to open when the butterfly valve is closed. This ensures that the blind plate valve remains closed during the opening operation, reducing the risk of gas leakage and improving the safety of the operation process. This, to a certain extent, addresses the problem in the related art of accidents caused by manual gas supply and ignition operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0039] Figure 1 The structural concept of the furnace gas supply ignition device according to the related art is shown;

[0040] Figure 2 The structural concept of the furnace gas supply ignition device according to some embodiments of the present invention is shown;

[0041] Figure 3 The structural concept of the furnace gas supply and ignition system according to some embodiments of the present invention is shown. DETAILED DESCRIPTION

[0042] As described in the background, coal gas is a byproduct of steel and metallurgical enterprises and an indispensable energy source for their production, playing a crucial role in the industry. However, due to its flammability, explosiveness, and toxicity, coal gas poses significant risks and losses to steel companies. Industrial furnace gas systems primarily include gas pipelines, isolation devices (a combination of electric butterfly valves and electric blind plate valves), purge and venting equipment, ignition burners, and other gas equipment and facilities.

[0043] In the related art, the gas supply and ignition operation of the furnace is usually carried out as follows Figure 1 The furnace gas supply and ignition device shown is completed. Figure 1 As shown, the furnace gas supply and ignition process can include the following steps: After purging and displacing the gas pipeline with nitrogen behind the blind plate valve, sampling is performed from the terminal vent pipe to test whether the oxygen content in the sample just obtained from the terminal vent pipe is qualified. If the oxygen content is qualified, the nitrogen connection is disconnected. If the oxygen content is unqualified, the nitrogen connection is maintained and the sampling and testing steps are repeated until the oxygen content is qualified. After the oxygen content in the terminal vent pipe sample is qualified, the vent pipe between the butterfly valve and the blind plate valve is opened, followed by the blind plate valve and the butterfly valve in sequence. The gas in the terminal vent pipe is sampled again and a burst test is performed. If the burst test is qualified, the terminal vent pipe is closed. If the burst test is unqualified, manual troubleshooting is performed. After the gas explosion test in the terminal vent pipe passes, the terminal vent is closed, and the vent pipe between the butterfly valve and the blind plate valve is closed, indicating that the gas in the gas pipeline has reached the ignition standard. The induced draft fan is then turned on at the heating furnace to purge the carbon monoxide content in the heating furnace. If the carbon monoxide content is qualified, the furnace is ignited. As can be seen from this, when the gas supply and ignition operations of the furnace gas system are usually completed manually, accidents may occur due to improper operation sequence or incomplete valve closure.

[0044] To this end, the present invention provides a furnace gas supply and ignition device, comprising: a butterfly valve disposed at a first end of a first pipe, configured to open the first end under the control of a processor; a blind plate valve disposed at a second end of the first pipe, configured to open the second end under the control of the processor; and the processor configured to control the blind plate valve to open when the butterfly valve is closed. In this manner, controlling the butterfly valve and the blind plate valve through the processor not only enables automated valve opening and closing, reducing manual intervention during the gas supply and ignition process, but also enables an interlocking design through the processor, controlling the blind plate valve to open when the butterfly valve is closed. This ensures that the blind plate valve remains closed during the opening operation, reducing the risk of gas leakage and improving the safety of the operation process. This, to a certain extent, addresses the problem in related technologies of accidents caused by manual gas supply and ignition operations.

[0045] The following describes in detail the technical solution of the present invention and how the technical solution of the present invention solves the above-mentioned technical problems using specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. The following embodiments of the present invention are described in conjunction with the accompanying drawings.

[0046] Figure 2 The structural concept of the furnace gas supply ignition device provided in some embodiments of the present invention is shown. Figure 2 As shown, in an embodiment of the present invention, the furnace gas supply ignition device includes:

[0047] a butterfly valve, disposed at the first end of the first pipeline, for opening the first end under the control of the processor;

[0048] a blind plate valve, disposed at the second end of the first pipeline, and configured to open the second end under the control of the processor;

[0049] The processor is used to control the blind plate valve to perform an opening operation when the butterfly valve is closed.

[0050] In the embodiment of the present invention, the first pipeline can be as follows Figure 1 In the related art shown, the pipeline between the butterfly valve and the blind plate valve. The first end of the first pipeline can be the end through which gas first enters, and the butterfly valve can be installed at the first end. Under the control of the processor, the butterfly valve is opened and closed to control whether gas enters the first pipeline from the first end of the first pipeline. Correspondingly, the second end of the first pipeline can be the outlet end through which gas flows out of the first pipeline. The blind plate valve is installed at the second end to control whether gas flows out of the first pipeline under the control of the processor.

[0051] In the embodiment of the present invention, in order to further facilitate the butterfly valve to be controlled by the processor, the butterfly valve can be an electric butterfly valve communicatively connected to the processor, and correspondingly, the blind plate valve can be a blind plate valve communicatively connected to the processor.

[0052] In an embodiment of the present invention, the processor may be a programmable logic controller (PLC) that communicates with other devices in the furnace gas supply point device. It may be a single electronic device or multiple electronic devices that cooperate with each other to execute the operation. The electronic device may be a server, such as an independent physical server, a server cluster composed of multiple servers, or a cloud server capable of cloud computing.

[0053] In an embodiment of the present invention, when performing ignition and gas supply operations on a furnace, a mechanical interlocking function can be added between the electric butterfly valve and the electric blind plate valve, that is, a mechanical interlocking design is performed through the control of the processor between the fully closed limit of the electric butterfly valve and the loosening and tightening limit of the electric blind plate valve. Specifically, the processor can control the blind plate valve to perform an opening operation only when the butterfly valve is closed in place.

[0054] In an embodiment of the present invention, controlling the butterfly valve and blind plate valve through a processor not only enables automated valve opening and closing, reducing manual intervention during gas supply and ignition, but also controls the blind plate valve to open when the butterfly valve is closed, ensuring that the blind plate valve remains closed during the opening operation. By adding mechanical interlocking technology between the electric butterfly valve and the electric blind plate valve, this solves the problem of operators operating the electric butterfly valve and electric blind plate valve on the gas pipeline in the wrong order during a gas outage (opening the blind plate valve before the butterfly valve on the gas supply side is closed will cause a large amount of pressurized gas to leak out of the pipeline, which is very likely to cause poisoning accidents).

[0055] In an embodiment of the present invention, the furnace gas supply ignition device further includes:

[0056] a pressure measuring unit, disposed in the first pipeline, for detecting a pressure value in the first pipeline and sending the pressure value to the processor;

[0057] The processor is further configured to control the blind plate valve to perform an opening operation according to the pressure value.

[0058] In an embodiment of the present invention, a pressure interlock function can be further added between the electric butterfly valve and the electric blind flange valve. The pressure measuring unit can be any device capable of detecting pressure, such as a pressure measuring device, a pressure transmitter, etc. The pressure measuring unit can be installed in the first pipeline, that is, after the butterfly valve and before the blind flange valve. Gas flows from the butterfly valve into the first pipeline, passes through the pressure measuring unit, and flows out of the blind flange valve. The pressure value detected by the pressure measuring unit is mechanically interlocked with the release and tightening limit of the electric blind flange valve through a PLC control program. The blind flange valve will only be controlled to open when the processor determines that the pressure value from the pressure measuring unit meets the set pressure value for the electric blind flange valve to open.

[0059] In the embodiments of the present invention, by adding a pressure interlocking technology between the electric butterfly valve and the electric blind plate valve, the problem of the electric blind plate valve being unable to operate when the electric shut-off valve on the gas pipeline is not sealed tightly (the set value is not reached) is solved (for example, if the open electric blind plate valve is opened rashly when the pressure value is not met, a large amount of pressurized gas in the pipeline will be leaked, which is also very likely to cause a poisoning accident).

[0060] In an embodiment of the present invention, the furnace gas supply ignition device further includes:

[0061] a second pipe, wherein a first end of the second pipe is disposed adjacent to a second end of the first pipe;

[0062] a first vent pipe, provided in the second pipeline, for discharging gas in the second pipeline;

[0063] an oxygen measuring unit, disposed in the first emission pipe, for detecting an oxygen value in the second pipe and sending the oxygen value to the processor;

[0064] The processor is further configured to control the butterfly valve to perform an opening operation according to the oxygen value.

[0065] In the embodiment of the present invention, the material of the second pipe can be the same as that of the first pipe. Figure 1 The figure shows the section of pipe between the blind flange valve and the heating furnace. The first end of the second pipe can be the inlet for gas entering the second pipe. The first end of the second pipe is disposed adjacent to the second end of the first pipe. That is, after the gas in the first pipe flows out of the second end of the first pipe via the blind flange valve, it can enter the second pipe through the first end of the second pipe.

[0066] In the embodiment of the present invention, the second pipeline can also be provided with a first venting pipe, which can be understood as Figure 1 The first vent pipe can discharge the gas in the second pipeline through the valve on the first vent pipe. Correspondingly, a partial vent pipe can also be appropriately set in the first pipeline, such as Figure 1 As shown, a vent pipe is also provided in the first pipeline. Accordingly, the vent pipe provided in the first pipeline can discharge the gas in the first pipeline.

[0067] In an embodiment of the present invention, in order to reduce manual intervention in the gas supply ignition process and realize the full operation process of gas supply ignition at the same time, an oxygen measuring unit can be provided on the first vent pipe, and the oxygen value in the second pipe can be directly detected by the oxygen measuring unit, without the need for manual sampling of the gas in the first vent pipe. The oxygen measuring unit can be any device that can detect oxygen and is communicatively connected to the processor. After the oxygen measuring unit detects the oxygen value, the oxygen value can be sent to the processor. The processor can control the butterfly valve to perform the opening operation only when the oxygen value is less than the set value (for example, 1%) according to the pre-set interlocking design (binding the oxygen value to the opening signal of the electric butterfly valve). If the oxygen value is not less than the set value, the butterfly valve cannot be opened.

[0068] In this embodiment of the present invention, an oxygen measuring unit (e.g., an online oxygen content detector) is installed on the first bleed pipe of the second pipeline, and a mechanical interlock is established between the electric butterfly valve and the valve. This solves the problem of directly opening the electric butterfly valve during the gas bleed process if the oxygen content at the end of the gas pipeline fails to meet the test requirements (O2 < 1%) or is not tested. If the operator rashly opens the electric butterfly valve, it is very likely that the gas and oxygen will form an explosive mixture, which could cause an explosion if it encounters an ignition source.

[0069] In an embodiment of the present invention, the furnace gas supply ignition device further includes:

[0070] a carbon monoxide measuring unit, disposed in the chimney, the chimney being adjacent to the second end of the flue, the first end of the flue being adjacent to the second end of the heating furnace, the first end of the heating furnace being adjacent to the second end of the second pipe, for detecting the carbon monoxide value in the flue and sending the carbon monoxide value to the processor;

[0071] An ignition unit is provided in the heating furnace and is used to perform an ignition operation under the control of the processor. The processor is also used to control the ignition unit to perform an ignition operation according to the carbon monoxide value.

[0072] In the embodiment of the present invention, Figure 1As shown, the first end of the second pipe is adjacent to the second end of the first pipe, the second end of the second pipe is adjacent to the first end of the heating furnace, and a flue and chimney are sequentially arranged at the second end of the heating furnace. That is, gas enters the first pipe from the first end of the first pipe, flows through the second end of the first pipe and the first end of the second pipe, and then enters the first end of the heating furnace through the second end of the second pipe. After the reaction in the heating furnace is completed, the gas can flow out of the second end of the heating furnace, enter the flue through the first end of the flue, and then exit the flue through the second end of the flue and enter the chimney.

[0073] In an embodiment of the present invention, a carbon monoxide measuring unit may be provided in the chimney. The carbon monoxide measuring unit may be any device capable of detecting carbon monoxide concentration in the chimney and communicatively connected to the processor, such as a carbon monoxide detector. The carbon monoxide measuring unit transmits the detected carbon monoxide value to the processor, which then makes a determination.

[0074] In an embodiment of the present invention, the carbon monoxide value in the chimney can be interlocked and bound with the ignition action of the ignition unit in advance within the processor. For example, 10% of the lower explosion limit of carbon monoxide can be set as the set value in advance. Only when the actual carbon monoxide value is less than the set value can the ignition unit be controlled to perform the ignition operation.

[0075] In an embodiment of the present invention, by installing an online carbon monoxide monitor in the exhaust flue and performing a safety interlock design with the ignition electrode signal, firstly, the problem of being unable to detect the content of combustible components in a closed furnace before ignition is solved, and data support is provided for technicians when performing ignition operations; secondly, the tightness of the valve can be effectively judged according to the change in the numerical value, and reference data is provided for the replacement cycle of the valve; thirdly, the combustion condition in the furnace can be judged according to the real-time detection data, and the optimal ratio of gas and air can be adjusted for technicians; fourthly, the risk caused by human error is effectively reduced, the occurrence of gas explosion accidents is avoided, and the inherent safety level of the ignition procedure is improved.

[0076] In an embodiment of the present invention, the furnace gas supply ignition device further includes:

[0077] A regulating valve is disposed in the second pipeline and is configured to regulate the flow rate of the gas within the second pipeline. The regulating valve may be any valve capable of regulating the flow rate of gas and communicatively connected to the processor, so as to regulate the flow rate of the gas within the second pipeline under the control of the processor. For example, the regulating valve may be a flow control valve, a flow controller, a dynamic balancing valve, or a flow balancing valve. Furthermore, the regulating valve may be manually adjusted by an operator to prevent inoperability in the event of a processor malfunction.

[0078] In an embodiment of the present invention, the furnace gas supply ignition device further includes:

[0079] A manual valve is provided in a target area of ​​the second pipeline, wherein the target area is an area between the first vent pipe and the second end of the second pipeline, and is used for inspecting the furnace gas supply ignition device.

[0080] In the embodiment of the present invention, Figure 1 As shown, the target area can be the first emission tube (e.g. Figure 1 The area between the end diffuser on the upper side and the second end of the second pipe (also the first end of the heating furnace).

[0081] A manual valve can be set in the target area. When the entire furnace gas supply ignition device is manually inspected, the manual valve can respond to the manual operation to execute the closing instruction, thereby stopping the furnace gas supply ignition device from running to complete the inspection work.

[0082] Furthermore, in an embodiment of the present invention, a quick shut-off valve may be provided in the target area to open the target area under the control of the processor;

[0083] The processor is further configured to control the quick shut-off valve to open according to the carbon monoxide value.

[0084] In the embodiment of the present invention, before the opening operation of the ignition electrode mentioned above, the processor checks whether the carbon monoxide value is less than the set value. After determining that the carbon monoxide value is less than the set value, the quick shut-off valve is controlled to open, so that the target area is opened and the gas enters the heating furnace, thereby controlling the ignition electrode to perform the ignition operation.

[0085] In an embodiment of the present invention, in order to further improve the safety of the ignition operation, after the ignition electrode performs the ignition operation, a flame detection unit provided in the heating furnace can be used to detect the flame condition in the heating furnace and send the flame condition to the processor;

[0086] The processor is configured to, after controlling the ignition unit to perform an ignition operation, control the flame detection unit to detect a flame condition within the heating furnace and determine whether the flame condition meets a set flame condition. The flame condition may include information indicating operating properties of the flame, such as the temperature within the heating furnace. After receiving the flame condition, if the flame condition meets the requirements, the gas supply and ignition operation is successful. If the flame condition meets the requirements, an alarm may be issued, prompting personnel to investigate for dangerous conditions such as gas leaks.

[0087] In an embodiment of the present invention, the furnace air supply and ignition device further includes: a flue valve, which is arranged in the flue and is used to control the flow of the flue under the control of the processor.

[0088] In an embodiment of the present invention, before the processor receives the carbon monoxide value from the carbon monoxide measuring unit set in the chimney, it can also control the flue valve to perform an opening operation so that the gas flows from the heating furnace through the flue and is discharged from the chimney.

[0089] Figure 3 The structural concept of the furnace gas supply ignition system according to some embodiments of the present invention is shown as follows: Figure 3 As shown, the furnace gas supply ignition system provided by the embodiment of the present invention includes:

[0090] kiln body;

[0091] Chimney body;

[0092] Device, according to the furnace gas supply ignition device described above.

[0093] To better understand the operational process of the furnace gas supply and ignition system provided by an embodiment of the present invention, an example is provided. It should be understood that the example is not limiting. After purging and replacing the gas tank with nitrogen behind the blind plate valve, an oxygen measuring unit (e.g., an oxygen content detector) located in the first vent pipe is used to determine whether the oxygen content is qualified. If the oxygen content is qualified, the nitrogen connection is disconnected. A pressure measuring unit (e.g., a pressure detector) located between the butterfly valve and the blind plate valve is used to determine whether the pressure value is qualified. If the pressure value is qualified, the vent pipe between the butterfly valve and the blind plate valve is opened. The processor further determines whether the butterfly valve is fully closed. If the butterfly valve is fully closed, the blind plate valve and the butterfly valve are opened in sequence. A sample is then taken from the first vent pipe at the far right end for an explosion test. If the test is qualified, the far right end vent pipe is closed, and the vent pipe between the butterfly valve and the blind plate valve is closed. The furnace is then purged with an induced draft fan. A carbon monoxide detection unit (e.g., a carbon monoxide detector) installed in the chimney is used to determine if the carbon monoxide content in the furnace is acceptable. If the carbon monoxide content is acceptable, the quick shut-off valve is opened and the ignition unit is controlled to ignite the furnace. Finally, the flame detection unit is used to determine if the ignition process just executed is acceptable.

[0094] While the above description does not provide detailed technical details regarding the patterning of each layer, those skilled in the art will appreciate that various technical means can be employed to form layers, regions, and the like in desired shapes. Furthermore, those skilled in the art may devise methods that differ from those described above to achieve the same structure. Furthermore, while each embodiment has been described separately, this does not mean that the measures in each embodiment cannot be advantageously combined.

[0095] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0096] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

Claims

1. A furnace gas supply ignition device, characterized in that: The furnace gas supply ignition device comprises: a butterfly valve, disposed at the first end of the first pipeline, for opening the first end under the control of the processor; a blind plate valve, disposed at the second end of the first pipeline, and configured to open the second end under the control of the processor; The processor is used to control the blind plate valve to perform an opening operation when the butterfly valve is closed.

2. The furnace gas supply ignition device according to claim 1, characterized in that: The furnace gas supply ignition device also includes: a pressure measuring unit, disposed in the first pipeline, for detecting a pressure value in the first pipeline and sending the pressure value to the processor; The processor is further configured to control the blind plate valve to perform an opening operation according to the pressure value.

3. The furnace gas supply ignition device according to claim 1, characterized in that: The furnace gas supply ignition device also includes: a second pipe, wherein a first end of the second pipe is disposed adjacent to a second end of the first pipe; a first vent pipe, provided in the second pipeline, for discharging gas in the second pipeline; an oxygen measuring unit, disposed in the first emission pipe, for detecting an oxygen value in the second pipe and sending the oxygen value to the processor; The processor is further configured to control the butterfly valve to perform an opening operation according to the oxygen value.

4. The furnace gas supply ignition device according to claim 3, characterized in that: The furnace gas supply ignition device also includes: a carbon monoxide measuring unit, disposed in the chimney, the chimney being adjacent to the second end of the flue, the first end of the flue being adjacent to the second end of the heating furnace, the first end of the heating furnace being adjacent to the second end of the second pipe, for detecting the carbon monoxide value in the flue and sending the carbon monoxide value to the processor; An ignition unit is provided in the heating furnace and is used to perform an ignition operation under the control of the processor. The processor is also used to control the ignition unit to perform an ignition operation according to the carbon monoxide value.

5. The furnace gas supply ignition device according to claim 3, characterized in that: The furnace gas supply ignition device also includes: The regulating valve is provided in the second pipeline and is used to adjust the flow rate of the gas in the second pipeline.

6. The furnace gas supply ignition device according to claim 4, characterized in that: The furnace gas supply ignition device also includes: A manual valve is provided in a target area of ​​the second pipeline, wherein the target area is an area between the first vent pipe and the second end of the second pipeline, and is used for inspecting the furnace gas supply ignition device.

7. The furnace gas supply ignition device according to claim 4, characterized in that: The furnace gas supply ignition device also includes: a flue valve, disposed in the flue, for controlling the flow of the flue under the control of the processor; The processor is further configured to control the flue valve to perform an opening operation.

8. The furnace gas supply ignition device according to claim 6, characterized in that: The furnace gas supply ignition device also includes: a quick shut-off valve, disposed in the target area, for opening the target area under the control of the processor; The processor is further configured to control the quick shut-off valve to open according to the carbon monoxide value.

9. The furnace gas supply ignition device according to claim 4, characterized in that: The furnace gas supply ignition device also includes: a flame detection unit, provided in the heating furnace, for detecting the flame condition in the heating furnace under the control of the processor, and sending the flame condition to the processor; The processor is used to control the flame detection unit to detect the flame condition in the heating furnace after controlling the ignition unit to perform an ignition operation.

10. A furnace gas supply ignition system, characterized in that: The furnace gas supply ignition system includes: kiln body; Chimney body; A device, a furnace gas supply ignition device according to any one of claims 1-9.

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