CN219222481U - Combustion control device and combustion system - Google Patents
Combustion control device and combustion system Download PDFInfo
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- CN219222481U CN219222481U CN202222972900.5U CN202222972900U CN219222481U CN 219222481 U CN219222481 U CN 219222481U CN 202222972900 U CN202222972900 U CN 202222972900U CN 219222481 U CN219222481 U CN 219222481U
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Abstract
The utility model discloses a combustion control device and a combustion system, wherein a first valve is arranged on an acid gas pipeline, a second valve is arranged on a gas pipeline, a first temperature sensor is arranged in a combustion furnace, the acid gas pipeline and the gas pipeline are respectively used for supplying acid gas and gas to the combustion furnace, the first valve, the second valve and the first temperature sensor are electrically connected with a controller, the controller can control to open the second valve to supply gas to the combustion furnace for combustion preheating, the second valve is controlled to be closed when the temperature of the furnace detected by the first temperature sensor reaches a target temperature, and the first valve is controlled to open to supply acid gas to the combustion furnace for combustion, so that the automatic interlocking control of the combustion process is realized, and the safety of the control of the gas combustion process is further improved.
Description
Technical Field
The present application relates to the field of combustion control, and in particular, to a combustion control apparatus and a combustion system.
Background
In the domestic coking industry, common treatment modes of coke oven gas include sulfuric acid production, sulfur production and other processes, and no matter which process is, along with the increasingly strict domestic environmental protection requirements, higher requirements are put forward on the system operation stability of the coke oven gas. At present, the combustion furnace control system of many domestic acid making processes has the problems of relatively simple structure, low stability and potential safety hazard due to long design time, cost control and the like.
Therefore, how to improve the safety of the gas combustion process control is a technical problem to be solved at present.
Disclosure of Invention
The combustion control device and the combustion system can improve the safety of gas combustion process control.
The embodiment of the utility model provides the following scheme:
in a first aspect, an embodiment of the present utility model provides a combustion control apparatus including:
the first valve is arranged on the acid gas pipeline;
the second valve is arranged on the gas pipeline;
the first temperature sensor is arranged in the combustion furnace and used for detecting the furnace temperature of the combustion furnace, and the combustion furnace is communicated with the acid gas pipeline and the gas pipeline;
and the controller is electrically connected with the first valve, the second valve and the first temperature sensor and is used for controlling to open the second valve to supply gas to the combustion furnace for combustion preheating, controlling to close the second valve when the furnace temperature detected by the first temperature sensor reaches the target temperature and controlling to open the first valve to supply acid gas to the combustion furnace for combustion.
In an alternative real-time example, the apparatus further comprises:
the first flowmeter is electrically connected with the controller, is arranged on the acid gas pipeline and is used for outputting the detected acid gas flow to the controller;
and the second flowmeter is electrically connected with the controller, is arranged on the gas pipeline and is used for outputting the detected gas flow to the controller.
In an alternative real-time example, the apparatus further comprises:
the acid gas exhaust valve is electrically connected with the controller and is arranged on an acid gas shunt pipe communicated with the acid gas pipeline;
the gas exhaust valve is electrically connected with the controller and is arranged on a gas shunt pipe communicated with the gas pipeline.
In an alternative real-time example, the apparatus further comprises:
and the second temperature sensor is electrically connected with the controller and is arranged on an acid gas pipeline between the first valve and the combustion furnace.
In an alternative real-time example, the apparatus further comprises:
the gas combustion valve is electrically connected with the controller, the gas inlet of the gas combustion valve is communicated with the gas outlet of the second valve, and the gas outlet of the gas combustion valve is communicated with the gas combustion cavity of the combustion furnace;
the gas ignition valve is electrically connected with the controller, the gas inlet of the gas ignition valve is communicated with the gas outlet of the second valve, and the gas outlet of the gas ignition valve is communicated with the gas ignition cavity of the combustion furnace.
In an alternative real-time example, the apparatus further comprises:
and the flame monitor is electrically connected with the controller and is arranged on the periphery of the burner of the combustion furnace.
In an alternative real-time example, the apparatus further comprises:
the combustion-supporting valve is electrically connected with the controller and is arranged on a combustion-supporting air pipe communicated with the combustion furnace;
the combustion-supporting flowmeter is electrically connected with the controller and is arranged on the combustion-supporting air pipe;
the cooling valve is electrically connected with the controller and is arranged on a cooling air pipe communicated with the combustion furnace;
and the cooling flowmeter is electrically connected with the controller and is arranged on the cooling air pipe.
In an alternative real-time example, the apparatus further comprises: the third temperature sensor is electrically connected with the controller and is arranged on the inner wall of the combustion furnace;
the fourth temperature sensor is electrically connected with the controller, is arranged on the inner wall of the combustion furnace and is horizontally arranged at intervals with the third temperature sensor;
and the fifth temperature sensor is electrically connected with the controller, is arranged on the inner wall of the combustion furnace and is vertically arranged at intervals with the third temperature sensor.
In an alternative real-time example, the apparatus further comprises:
the steam drum is arranged on the flue gas detection tube of the combustion furnace and is used for cooling combustion flue gas exhausted by the flue gas detection tube;
and the smoke analyzer is electrically connected with the controller, and a detection sensor of the smoke analyzer is communicated with the air outlet of the steam drum and is used for detecting cooled combustion smoke.
In a second aspect, embodiments of the present utility model also provide a combustion system including the combustion control apparatus of any one of the first aspects.
Compared with the prior art, the combustion control device and the combustion system have the following advantages:
according to the combustion control device, the first valve is arranged on the acid gas pipeline, the second valve is arranged on the gas pipeline, the first temperature sensor is arranged in the combustion furnace, the acid gas pipeline and the gas pipeline are respectively used for supplying acid gas and coal gas to the combustion furnace, the first valve, the second valve and the first temperature sensor are electrically connected with the controller, the controller can control the second valve to be opened for supplying coal gas to the combustion furnace for combustion preheating, the second valve is controlled to be closed when the furnace temperature detected by the first temperature sensor reaches the target temperature, and the first valve is controlled to be opened for supplying acid gas to the combustion furnace for combustion, so that automatic interlocking control of a combustion process is realized, and further safety of gas combustion process control is improved.
Drawings
In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present description, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a combustion control device according to an embodiment of the present utility model.
Reference numerals illustrate: 1-first valve, 2-acid gas pipe, 3-second valve, 4-gas pipe, 5-first temperature sensor, 6-combustion furnace, 7-first flowmeter, 8-second flowmeter, 9-acid gas evacuation valve, 10-acid gas shunt pipe, 11-gas evacuation valve, 12-gas shunt pipe, 13-second temperature sensor, 14-gas combustion valve, 15-gas combustion chamber, 16-gas ignition valve, 17-gas ignition chamber, 18-flame monitor, 19-combustion valve, 20-combustion-supporting flowmeter, 21-cooling valve, 22-cooling flowmeter, 23-third temperature sensor, 24-fourth temperature sensor, 25-fifth temperature sensor, 26-steam drum, 27-flue gas analyzer, 28-acid gas manual valve, 29-acid gas pressure gauge, 30-acid gas safety valve, 31-ignition gun.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the scope of protection of the embodiments of the present utility model.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a combustion control device according to an embodiment of the present utility model, including:
the first valve 1 is arranged on the acid gas pipeline 2; the second valve 3 is arranged on the gas pipeline 4; the first temperature sensor 5 is arranged in the combustion furnace 6 and is used for detecting the furnace temperature of the combustion furnace 6, and the combustion furnace 6 is communicated with the acid gas pipeline 2 and the gas pipeline 4; the controller is electrically connected with the first valve 1, the second valve 3 and the first temperature sensor 5, and is used for controlling to open the second valve 3 to supply gas to the combustion furnace 6 for combustion preheating, controlling to close the second valve 3 when the furnace temperature detected by the first temperature sensor 5 reaches the target temperature, and controlling to open the first valve 1 to supply acid gas to the combustion furnace 6 for combustion.
Specifically, the acid gas pipeline 2 is used for conveying the acid gas subjected to desulfurization treatment in the steelmaking process to the combustion furnace 6, the main component of the acid gas is hydrogen sulfide, and the combustion furnace 6 is required to reach the target temperature for stable combustion when the acid gas is combusted. The first valve 1 and the second valve 3 may be electric control valves, the opening sizes of the first valve 1 and the second valve 3 are controlled by a controller (not shown in the figure), the opening sizes of the valves for gas combustion and acid gas combustion can be calibrated and set by a technician, when the combustion control is performed, the second valve 3 is started to supply gas to the combustion furnace 6 to heat the combustion furnace 6 to a target temperature, when the furnace temperature detected by the first temperature sensor 5 reaches the target temperature, the combustion condition of the acid gas in the combustion furnace 6 is indicated, the controller outputs a corresponding instruction to close the second valve 3, and controls the first valve 1 to be opened to supply the acid gas to the combustion furnace 6 for combustion, and the target temperature can be determined according to the experience of the technician, for example 780 ℃; other values may be set by calibration experiments, and the sour gas supplied to the combustion furnace 6 may be burned stably. The controller can be a PLC (Programmable Logic Controller ) or an industrial personal computer.
In practical implementation, if the first valve and the second valve are controlled according to the calibrated opening, the combustion process may be unstable due to the supply pressure change of the acid gas and the coal gas. Based on this, in a specific embodiment, the apparatus further comprises:
the first flowmeter 7 is electrically connected with the controller, and the first flowmeter 7 is arranged on the sour gas pipeline 2 and is used for outputting the detected sour gas flow to the controller; and the second flowmeter 8 is electrically connected with the controller, and the second flowmeter 8 is arranged on the gas pipeline 4 and is used for outputting the detected gas flow to the controller.
Specifically, the gas supply flow rates of the acid gas pipeline 2 and the gas pipeline 4 are respectively detected through the first flowmeter 7 and the second flowmeter 8, and corresponding instructions are output to the first valve 1 and the second valve 3 based on the detection value controller so as to accurately control the opening degrees of the first valve 1 and the second valve 3, and stable supply of the acid gas and the gas is realized so as to improve the stability of combustion control.
In practical application, abnormal factors may exist in the combustion process, such as interruption of combustion caused by supply failure of gas or acid gas, and the gas and the acid gas need to be supplied again, but residual gas existing in the pipeline may affect the stability and safety of combustion. Based on this, in a specific embodiment, the apparatus further comprises:
the acid gas exhaust valve 9 is electrically connected with the controller, and the acid gas exhaust valve 9 is arranged on an acid gas shunt pipe 10 communicated with the acid gas pipeline 2; the gas evacuation valve 11 is electrically connected with the controller, and the gas evacuation valve 11 is arranged on a gas shunt pipe 12 communicated with the gas pipeline 4.
Specifically, when the combustion system fails, the residual acid gas and gas in the pipeline can be emptied through the acid gas emptying valve 9 and the gas emptying valve 11, so that the safety of combustion control is improved, and it can be understood that the acid gas and the gas can be directly discharged to the outside air through the acid gas shunt pipe 10 and the gas shunt pipe 12 and also can be discharged to a preset collecting container.
In practical application, the acid gas possibly flows back to the supply end due to the change of the supply air flow in the combustion process, so that potential safety hazards exist in the combustion system. Based on this, in a specific embodiment, the apparatus further comprises:
the second temperature sensor 13 is electrically connected with the controller, and the second temperature sensor 13 is arranged on the sour gas pipeline 2 between the first valve 1 and the combustion furnace 6.
Specifically, the second temperature sensor 13 can detect the temperature of the acid gas pipeline 2 between the first valve 1 and the combustion furnace 6 in the combustion process, if the temperature of the pipeline is higher than a preset value, which indicates that the temperature of the acid gas pipeline 2 is higher, flame may back along the supply end of the acid gas pipeline 2, and then the first valve 1 is controlled to close the acid gas supply; otherwise, if the temperature of the pipeline is not greater than the preset value, the first valve 1 is controlled to be normally opened so as to supply the sour gas for combustion.
In a specific embodiment, the apparatus further comprises:
the gas combustion valve 14 is electrically connected with the controller, the gas inlet of the gas combustion valve 14 is communicated with the gas outlet of the second valve 3, and the gas outlet of the gas combustion valve 14 is communicated with the gas combustion cavity 15 of the combustion furnace 6; the gas ignition valve 16 is electrically connected with the controller, the gas inlet of the gas ignition valve 16 is communicated with the gas outlet of the second valve 3, and the gas outlet of the gas ignition valve 16 is communicated with the gas ignition cavity 17 of the combustion furnace 6.
Specifically, ignition combustion of the gas can be implemented through an ignition gun 31, the ignition gun 31 is connected with a controller, the ignition gun 31 is arranged in a gas ignition cavity 17, the controller controls a gas ignition valve 16 to open corresponding opening during ignition, the gas ignition valve 16 is used for supplying small-flow gas, then the ignition gun 31 is controlled to perform ignition, and explosion caused by excessive gas supply in the gas ignition process can be reduced by arranging the gas ignition valve 16, so that the safety in the gas ignition process is improved; the gas combustion valve 14 is used to supply a large flow of gas to stabilize the combustion of the gas after ignition.
In practical application, because the combustion environment has more uncertainty, for example, whether the supply amount of oxygen can normally support combustion, if combustion is extinguished, safety accidents can occur due to continuous supply of acid gas or coal gas. Based on this, in a specific embodiment, the apparatus further comprises:
the flame monitor 18 is electrically connected to the controller, and the flame monitor 18 is mounted on the outer periphery of the burner 6.
Specifically, since there are two burners of the combustion furnace 6 for combusting acid gas and coal gas respectively in the flame combustion process, whether the combustion is normal or not can be monitored by the flame monitor 18, the infrared ray can be monitored in the combustion process, the normal combustion is indicated, and the acid gas or the coal gas is supplied for normal combustion; if the infrared ray disappears, the combustion is abnormal, and the first valve 1 and the second valve 3 are controlled to be closed.
In a specific embodiment, the apparatus further comprises:
the combustion-supporting valve 19 is electrically connected with the controller, and the combustion-supporting valve 19 is arranged on a combustion-supporting air pipe communicated with the combustion furnace 6; the combustion-supporting flowmeter 20 is electrically connected with the controller, and the combustion-supporting flowmeter 20 is arranged on the combustion-supporting air pipe; a cooling valve 21 electrically connected to the controller, the cooling valve 21 being mounted on a cooling air pipe communicating with the combustion furnace 6; and a cooling flow meter 22 electrically connected to the controller, the cooling flow meter 22 being mounted on the cooling air pipe.
Specifically, the air outlets of the combustion air pipe and the cooling air pipe are arranged at the periphery of the burner, and the supply flow of the combustion air can be stably controlled through the combustion valve 19 and the combustion flowmeter 20, so that the supplied air flow is matched with the air flow required by combustion, and the stability of combustion control is improved; similarly, the cooling air supply can be stably supplied to the combustion furnace 6 by the cooling valve 21 and the cooling flowmeter 22, and the flow rate of the cooling air can be precisely controlled in a scene requiring cooling.
In practice, partial areas may not burn by flame failure during combustion, based on which, in a specific embodiment, the device further comprises:
a third temperature sensor 23 electrically connected to the controller and mounted on the inner wall of the combustion furnace 6; a fourth temperature sensor 24 electrically connected to the controller, mounted on the inner wall of the combustion furnace 6, and horizontally spaced apart from the third temperature sensor 23; the fifth temperature sensor 25 is electrically connected to the controller, is mounted on the inner wall of the combustion furnace 6, and is disposed at a vertical interval from the third temperature sensor 23.
Specifically, with continued reference to fig. 1, the first temperature sensor 5 may be disposed at a middle position inside the combustion furnace 6, for detecting a middle furnace temperature, and the third temperature sensor 23 and the fourth temperature sensor 24 respectively detect a horizontal temperature distribution of an inner wall of the combustion furnace 6, so as to determine whether the combustion flame is uniform in a horizontal direction; similarly, the third temperature sensor 23 and the fifth temperature sensor 25 are used for respectively detecting the vertical temperature distribution of the inner wall of the combustion furnace 6 so as to determine whether the combustion flame in the vertical direction is uniform, so that the patrol personnel can know the combustion state of the combustion furnace 6 in time, and the corresponding treatment is convenient.
In a specific embodiment, the apparatus further comprises:
the steam drum 26 is arranged on the flue gas detection pipe of the combustion furnace 6 and is used for cooling the combustion flue gas exhausted by the flue gas detection pipe; and the flue gas analyzer 27 is electrically connected with the controller, and a detection sensor of the flue gas analyzer 27 is communicated with the air outlet of the steam drum 26 and is used for detecting cooled combustion flue gas.
Specifically, the flue gas analyzer 27 may be an oxygen content analyzer to monitor the oxygen content of the combustion flue gas (or process gas) during the combustion process in real time to ensure safe operation of the combustion furnace 6; of course, other analyzers can be selected according to actual needs to meet detection of combustion flue gas.
The combustion control device provided by the embodiment of the utility model can perform gas mode combustion control based on the combustion system, and the control program is divided into ten steps when the gas mode is used for igniting the furnace.
Step S101, air purge, full opening of the combustion valve 19 and the cooling valve 21.
Step S102, starting air purging, wherein after the controller receives opening signals fed back by the combustion-supporting valve 19 and the cooling valve 21, the combustion-supporting air and the cooling air 4 are both more than 300m 3 Purging is performed/h, and the procedure starts 240s counting down for a second.
And step S103, after the countdown is finished, the air purging is stopped, the valve Guan Churan 19 and the cooling valve 21 are stopped, and after receiving closing signals fed back by the combustion-supporting valve 19 and the cooling valve 21, the controller carries out the next procedure.
Step S104, the ignition transformer of the ignition gun 31 is controlled to be electrified, the combustion-supporting valve 19 is opened, the gas evacuation valve 11 is closed, and the second valve 3 is opened; after all three valves have feedback signals, the cooling valve 21 is waited to close.
Step S105, the gas ignition valve 16 is opened, and the ignition gun 31 is energized to ignite after completion.
In step S106, the ignition transformer is turned off, and after the flame monitor 18 detects the small flame signal within 5 seconds, the ignition gun 31 is powered off.
Step S107, stabilizing time, the 3S internal flame monitor 18 detects that the small flame signal is normal, and the next procedure is carried out.
Step S108, supplying gas to the burner, and starting the gas combustion valve 14, wherein a position signal for detecting the opening is required within 5 seconds.
And step 109, outputting an instruction to control the ignition gas valve to be closed.
Step S110, the burner operates, the flame monitor 18 detects a large flame signal within 5 seconds, the ignition is successful, and the combustion-supporting valve 19 starts to automatically adjust the combustion-supporting air quantity according to the proportioning set value and the gas flow.
The combustion control device provided by the embodiment of the utility model can also perform sour gas mode combustion control based on the combustion system, and the control program is divided into five steps when the sour gas mode is used for igniting.
Step S201, the operation mode is opened, and the central control personnel selects the sour gas mode.
Step S202, a preparation phase (or READY), if the initial conditions are met, the READY signal lamp displays green. The cooling valve 21 is given an opening of 20%.
Step S203, acid gas is supplied to the burner. Triggering a START button to perform furnace ignition, closing the sour gas exhaust valve 9, and after receiving a closing signal within 15s, opening the sour gas safety valve 30 and the first valve 1, and receiving an opening signal within 15s, and performing the next step, otherwise judging that the third step fails.
In step S204, the acid gas is released, and the fifth step is performed if the closing signals of the first valve 1 and the cooling valve 21 are not received.
Step S205, the sour gas burner is opened, the furnace is successfully turned on, the 20% opening assignment of the cooling valve 2114 is canceled, the first valve 1 is adjusted, and the cooling valve 21 automatically adjusts the cooling air flow according to the proportioning set value.
In the gas mode air purge, the air flow rate and the purge time may be set so as to be calibrated according to the volume of the burner 6 and the air flow rate. In the acid gas mode for preparing sulfuric acid, the interlocking control can be performed according to the temperature of the combustion furnace 6 and the acid gas entering the furnace, the acid gas flow, the acid gas pressure, the liquid level electrode of the steam drum 26, the pressure of the steam drum 26, the oxygen content of the process gas, the cooling air flow, the sulfuric acid flow, the temperature of the hearth and the limit signals of the various acid gas control valves, and if any one condition is not met, the combustion furnace 6 is deactivated, so that the safe operation of the system is ensured.
Based on the same inventive concept as the combustion control device, the embodiment of the utility model also provides a combustion system comprising any one of the combustion control devices.
With continued reference to fig. 1, to enhance the safety of the combustion system, an acid gas manual valve 28, an acid gas pressure gauge 29 and an acid gas safety valve 30 may be provided on the acid gas pipe 2 to enhance the safety of the combustion system.
The technical scheme provided by the embodiment of the utility model has at least the following technical effects or advantages:
the first valve is arranged on the acid gas pipeline, the second valve is arranged on the gas pipeline, the first temperature sensor is arranged in the combustion furnace, the acid gas pipeline and the gas pipeline are respectively used for supplying acid gas and gas to the combustion furnace, the first valve, the second valve and the first temperature sensor are electrically connected with the controller, the controller can control the second valve to be opened to supply gas to the combustion furnace for combustion and preheating, the second valve is controlled to be closed when the furnace temperature detected by the first temperature sensor reaches the target temperature, and the first valve is controlled to be opened to supply acid gas to the combustion furnace for combustion, so that the automatic interlocking control of the combustion process is realized, and the safety of the control of the gas combustion process is further improved.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A combustion control apparatus, characterized by comprising:
the first valve is arranged on the acid gas pipeline;
the second valve is arranged on the gas pipeline;
the first temperature sensor is arranged in the combustion furnace and used for detecting the furnace temperature of the combustion furnace, and the combustion furnace is communicated with the acid gas pipeline and the gas pipeline;
and the controller is electrically connected with the first valve, the second valve and the first temperature sensor and is used for controlling to open the second valve to supply gas to the combustion furnace for combustion preheating, controlling to close the second valve when the furnace temperature detected by the first temperature sensor reaches the target temperature and controlling to open the first valve to supply acid gas to the combustion furnace for combustion.
2. The combustion control apparatus according to claim 1, characterized in that the apparatus further comprises:
the first flowmeter is electrically connected with the controller, is arranged on the acid gas pipeline and is used for outputting the detected acid gas flow to the controller;
and the second flowmeter is electrically connected with the controller, is arranged on the gas pipeline and is used for outputting the detected gas flow to the controller.
3. The combustion control apparatus according to claim 1, characterized in that the apparatus further comprises:
the acid gas exhaust valve is electrically connected with the controller and is arranged on an acid gas shunt pipe communicated with the acid gas pipeline;
the gas exhaust valve is electrically connected with the controller and is arranged on a gas shunt pipe communicated with the gas pipeline.
4. The combustion control apparatus according to claim 1, characterized in that the apparatus further comprises:
and the second temperature sensor is electrically connected with the controller and is arranged on an acid gas pipeline between the first valve and the combustion furnace.
5. The combustion control apparatus according to claim 1, characterized in that the apparatus further comprises:
the gas combustion valve is electrically connected with the controller, the gas inlet of the gas combustion valve is communicated with the gas outlet of the second valve, and the gas outlet of the gas combustion valve is communicated with the gas combustion cavity of the combustion furnace;
the gas ignition valve is electrically connected with the controller, the gas inlet of the gas ignition valve is communicated with the gas outlet of the second valve, and the gas outlet of the gas ignition valve is communicated with the gas ignition cavity of the combustion furnace.
6. The combustion control apparatus according to claim 1, characterized in that the apparatus further comprises:
and the flame monitor is electrically connected with the controller and is arranged on the periphery of the burner of the combustion furnace.
7. The combustion control apparatus according to claim 1, characterized in that the apparatus further comprises:
the combustion-supporting valve is electrically connected with the controller and is arranged on a combustion-supporting air pipe communicated with the combustion furnace;
the combustion-supporting flowmeter is electrically connected with the controller and is arranged on the combustion-supporting air pipe;
the cooling valve is electrically connected with the controller and is arranged on a cooling air pipe communicated with the combustion furnace;
and the cooling flowmeter is electrically connected with the controller and is arranged on the cooling air pipe.
8. The combustion control apparatus according to claim 1, characterized in that the apparatus further comprises:
the third temperature sensor is electrically connected with the controller and is arranged on the inner wall of the combustion furnace;
the fourth temperature sensor is electrically connected with the controller, is arranged on the inner wall of the combustion furnace and is horizontally arranged at intervals with the third temperature sensor;
and the fifth temperature sensor is electrically connected with the controller, is arranged on the inner wall of the combustion furnace and is vertically arranged at intervals with the third temperature sensor.
9. The combustion control apparatus according to claim 1, characterized in that the apparatus further comprises:
the steam drum is arranged on the flue gas detection tube of the combustion furnace and is used for cooling combustion flue gas exhausted by the flue gas detection tube;
and the smoke analyzer is electrically connected with the controller, and a detection sensor of the smoke analyzer is communicated with the air outlet of the steam drum and is used for detecting cooled combustion smoke.
10. A combustion system, characterized in that the combustion system comprises a combustion control device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222972900.5U CN219222481U (en) | 2022-11-08 | 2022-11-08 | Combustion control device and combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222972900.5U CN219222481U (en) | 2022-11-08 | 2022-11-08 | Combustion control device and combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219222481U true CN219222481U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222972900.5U Active CN219222481U (en) | 2022-11-08 | 2022-11-08 | Combustion control device and combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219222481U (en) |
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2022
- 2022-11-08 CN CN202222972900.5U patent/CN219222481U/en active Active
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