CN111561699A - High-efficient accurate intelligent refractory material baking system - Google Patents
High-efficient accurate intelligent refractory material baking system Download PDFInfo
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- CN111561699A CN111561699A CN202010552087.9A CN202010552087A CN111561699A CN 111561699 A CN111561699 A CN 111561699A CN 202010552087 A CN202010552087 A CN 202010552087A CN 111561699 A CN111561699 A CN 111561699A
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- gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/60—Devices for simultaneous control of gas and combustion air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/04—Means for supervising combustion, e.g. windows
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
- F23N1/025—Regulating fuel supply conjointly with air supply using electrical or electromechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/022—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using electronic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
- F23N5/187—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using electrical or electromechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
- F23N5/245—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using electrical or electromechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/18—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
- F23N2005/185—Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
Abstract
The invention relates to a high-efficiency accurate intelligent refractory material baking system, which comprises a gas pipeline, a combustion-supporting air pipeline, a nitrogen pipeline, a flow regulation and control module and the like, wherein the gas pipeline is provided with a gas emergency cut-off valve, a gas flow detector, a special gas regulator and a gas emptying device; the flow regulating and controlling module is respectively connected with a special gas regulator, a nitrogen purging device, a gas emptying device and a combustion air regulator; the multifunctional baking burner is connected with the tail ends of the gas pipeline and the combustion air pipeline, and the electric control device is respectively connected with an ignition device, a flame detection device, a temperature measurement device, a flow regulation and control module and a gas flow detector on the multifunctional baking burner. The invention has novel concept, good safety and reliability, accurate baking temperature and high intelligent degree.
Description
Technical Field
The invention belongs to the technical field of metallurgy, and particularly relates to an efficient, accurate and intelligent refractory material baking system.
Background
In the field of metallurgy, before equipment such as ladles, steel ladles and tundishes for storing molten iron or molten steel works online, a refractory material poured in the equipment needs to be baked, and good baking quality not only can enable a process flow to be smoother, but also can improve product quality.
Currently, there are several problems in baking refractory materials: 1. the gas and combustion-supporting air pressure is manually set and adjusted, the deviation between an actual heating curve and a designed heating curve is large, or the baking temperature is insufficient, the service life of the refractory material and the product quality are reduced, or the baking time is too long, and energy is wasted; 2. the baking temperature is observed manually, dynamic tracking cannot be implemented, and unified coordination of production management is not facilitated. 3. The pressure stability of fuel gas and combustion air is poor, the combustion temperature is not stable, the flameout phenomenon is easy to occur, and potential safety hazards exist; therefore, it is important to develop an efficient, precise and intelligent refractory baking system to improve the combustion efficiency, the service life of refractory materials and the safety and reliability.
Disclosure of Invention
The invention aims to provide an efficient, accurate and intelligent refractory material baking system.
A high-efficiency accurate intelligent refractory material baking system comprises a gas pipeline, a combustion-supporting air pipeline, a nitrogen pipeline, a flow regulation and control module 6, an electric control device 10 and a multifunctional baking burner 7, wherein the gas pipeline is provided with a gas emergency cut-off valve 1, a gas flow detector 2, a special gas regulator 3 and a gas emptying device 5, a gas source is connected with one end of the gas emergency cut-off valve 1 through a pipeline, the other end of the gas emergency cut-off valve 1 is connected with the gas flow detector 2 through a pipeline, the gas flow detector 2 is connected with the special gas regulator 3 through a pipeline, and the special gas regulator 3 is connected with the gas emptying device 5 through a pipeline; a combustion-supporting air generating device 8 and a combustion-supporting air regulator 9 are arranged on the combustion-supporting air pipeline, the combustion-supporting air is connected with one end of the combustion-supporting air generating device 8 through a pipeline, and the other end of the combustion-supporting air generating device 8 is connected with the combustion-supporting air regulator 9; a nitrogen purging device 4 is arranged on the nitrogen pipeline, a nitrogen source is connected with the nitrogen purging device 4 through a pipeline, and the nitrogen purging device 4 is connected with a pipeline for connecting the special gas regulator 3 and the gas emptying device 5 through a pipeline; the flow regulating and controlling module 6 is respectively connected with a special gas regulator 3, a nitrogen purging device 4, a gas emptying device 5 and a combustion air regulator 9; the multifunctional baking burner 7 is connected with the tail ends of the gas pipeline and the combustion air pipeline, and is provided with an ignition device, a flame detection device and a temperature measurement device; the electric control device 10 is respectively connected with an ignition device, a flame detection device and a temperature measurement device on the multifunctional baking burner 7, a flow regulation and control module 6 and a gas flow detector 2.
In the invention, the electric control device 10 is formed by connecting a CPU controller and an input/output module, the electric control device 10 can automatically control the special gas regulator 3 and the combustion air regulator 9 through the flow regulating and controlling module 6 dynamically in real time according to temperature and flow signals fed back by the flame detecting device, the temperature measuring device and the gas flow detector 2 on the multifunctional baking burner 7, and regulate the flow ratio of gas and combustion air so as to efficiently and quickly reach the set value of the temperature rising curve of the baking system.
The invention has the beneficial effects that:
the multifunctional baking burner 7 is provided with a flame detection device, a temperature measuring device and an ignition device, not only has an automatic ignition function and an online temperature measuring function, but also can dynamically feed the temperature back to the electric control device 10 and the production management system in real time. When deviation of the actual heating curve and the designed heating curve occurs, the electric control device 10 outputs an instruction to automatically control the special gas regulator 3 and the combustion air regulator 9 through the flow regulating and controlling module 6, and the ratio of gas to combustion air is regulated, so that the set value of the heating curve of the baking system can be efficiently and quickly reached. When the baking is automatically finished or the fire is accidentally extinguished according to the requirement, the flow regulating and controlling module 6 can rapidly close the gas emergency valve 1 and open the gas emptying device 5 and the nitrogen purging device 4, so as to ensure the safety of the refractory material baking system. Under the intelligent control of the electric control device 10, the refractory material baking system is automatically started and stopped, automatically ignited, automatically detected and automatically regulated in pressure, so that one-key accurate and efficient intelligent baking of the refractory material can be realized.
The invention has novel concept, good safety and reliability, accurate baking temperature and high intelligent degree, not only saves energy, but also greatly prolongs the service life of the refractory material.
Drawings
FIG. 1 is a schematic view of the present invention;
reference numbers in the figures: 1, a gas emergency cut-off valve; 2 a gas flow detector; 3 special gas regulator; 4, a nitrogen purging device; 5, a fuel gas emptying device; 6, a flow regulation and control module; 7, a multifunctional baking nozzle; 8 combustion air generating device; 9 combustion air regulator; 10 an electronic control device.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1:
as shown in fig. 1, the high-efficiency, accurate and intelligent refractory material baking system provided by the invention comprises a gas pipeline, a combustion-supporting air pipeline, a nitrogen pipeline, a flow regulation and control module 6, an electric control device 10 and a multifunctional baking burner 7, wherein the gas pipeline is sequentially provided with a gas emergency cut-off valve 1, a gas flow detector 2, a special gas regulator 3 and a gas emptying device 5. A combustion air regulator 9 is connected behind the combustion air generating device 8 on the combustion air pipeline. The nitrogen is used as a purging medium and is connected with a gas pipeline through a nitrogen purging device 4, and simultaneously used as a control gas source to control a special gas regulator 3, the nitrogen purging device 4, a gas emptying device 5 and a combustion air regulator 9 through a flow regulation and control module 6; the multifunctional baking burner 7 is connected with the tail ends of the gas pipeline and the combustion air pipeline, and is provided with an ignition device and a flame detection and temperature measurement device; the electric control device 10 can dynamically control the special gas regulator 3 and the combustion-supporting air regulator 9 through the flow regulation and control module 6 in real time according to temperature and flow signals fed back by the flame detection and temperature measurement device on the multifunctional baking burner 7 and the gas flow detector 2, and regulate the flow ratio of gas and combustion-supporting air so as to efficiently and quickly reach the set value of the temperature rise curve of the baking system.
The working process of the invention is as follows:
when the refractory material baking operation starts, the electric control device 10 controls the flow regulation and control module 6 to close the gas emptying device 5, open the gas emergency cut-off valve 1 and the combustion-supporting air generating device 8, regulate the special gas regulator 3 and the combustion-supporting air regulator 9, the electric control device 10 supplies power to the ignition device on the multifunctional baking burner 7 for ignition, the gas and the combustion-supporting air are fully mixed and combusted, and the baking starts. The flame on the multifunctional baking burner 7 is detected, the temperature and flow signals detected by the temperature measuring device and the gas flow detector 2 in real time are fed back to the electric control device 10, when deviation occurs between an actual heating curve and a designed heating curve, the electric control device 10 automatically outputs control signals to the flow regulation and control module 6, so that the opening degree of the special gas regulator 3 and the opening degree of the combustion air regulator 9 are controlled and regulated, the pressure and the flow of gas and combustion air are regulated, and finally, the temperature set value is efficiently and accurately reached. When the baking is automatically finished or the fire is accidentally extinguished according to the requirement, the flow regulating and controlling module 6 can rapidly close the gas emergency valve 1, open the gas emptying device 5 and the nitrogen purging device 4, and ensure the safety of the refractory material baking system through the rapid-response purging and diffusing system. The refractory material baking system can control the fuel gas and the combustion air to be fully combusted according to a preset temperature rising curve, the fuel gas consumption is reduced to the maximum extent, the refractory material is uniformly heated to rise the temperature, and the service life of the refractory material is prolonged.
Claims (2)
1. A high-efficiency accurate intelligent refractory material baking system is characterized by comprising a gas pipeline, a combustion-supporting air pipeline, a nitrogen pipeline, a flow regulation and control module (6), an electric control device (10) and a multifunctional baking burner (7), wherein the gas pipeline is provided with a gas emergency cut-off valve (1), a gas flow detector (2), a special gas regulator (3) and a gas emptying device (5), a gas source is connected with one end of the gas emergency cut-off valve (1) through a pipeline, the other end of the gas emergency cut-off valve (1) is connected with the gas flow detector (2) through a pipeline, the gas flow detector (2) is connected with the special gas regulator (3) through a pipeline, and the special gas regulator (3) is connected with the gas emptying device (5) through a pipeline; a combustion-supporting air generating device (8) and a combustion-supporting air regulator (9) are arranged on the combustion-supporting air pipeline, the combustion-supporting air is connected with one end of the combustion-supporting air generating device (8) through a pipeline, and the other end of the combustion-supporting air generating device (8) is connected with the combustion-supporting air regulator (9); a nitrogen purging device (4) is arranged on the nitrogen pipeline, a nitrogen source is connected with the nitrogen purging device (4) through a pipeline, and the nitrogen purging device (4) is connected with a pipeline connected with a gas emptying device (5) and a gas special regulator (3) through a pipeline; the flow regulating and controlling module (6) is respectively connected with a special gas regulator (3), a nitrogen purging device (4), a gas emptying device (5) and a combustion air regulator (9); the multifunctional baking burner (7) is connected with the tail ends of the gas pipeline and the combustion air pipeline, and is provided with an ignition device, a flame detection device and a temperature measurement device; the electric control device (10) is respectively connected with an ignition device, a flame detection device and a temperature measurement device on the multifunctional baking burner (7), a flow regulation and control module (6) and a gas flow detector (2).
2. The high-efficiency accurate intelligent refractory material baking system as claimed in claim 1, wherein the electric control device (10) is formed by connecting a CPU controller and an input/output module, the electric control device (10) can automatically control the special gas regulator (3) and the combustion air regulator (9) through the flow regulation and control module (6) dynamically in real time according to temperature and flow signals fed back by the flame detection device, the temperature measurement device and the gas flow detector (2) on the multifunctional baking burner (7), and regulate the flow ratio of gas and combustion air so as to efficiently and rapidly reach the set value of the temperature rise curve of the baking system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552087.9A CN111561699A (en) | 2020-06-17 | 2020-06-17 | High-efficient accurate intelligent refractory material baking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552087.9A CN111561699A (en) | 2020-06-17 | 2020-06-17 | High-efficient accurate intelligent refractory material baking system |
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| Publication Number | Publication Date |
|---|---|
| CN111561699A true CN111561699A (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010552087.9A Pending CN111561699A (en) | 2020-06-17 | 2020-06-17 | High-efficient accurate intelligent refractory material baking system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547110A (en) * | 2021-06-29 | 2021-10-26 | 洛阳盛鑫工矿设备有限公司 | Automatic control system of baking oven |
| CN116792777A (en) * | 2023-05-22 | 2023-09-22 | 氨邦科技有限公司 | Boiler adulterated ammonia combustion sequence control system |
-
2020
- 2020-06-17 CN CN202010552087.9A patent/CN111561699A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547110A (en) * | 2021-06-29 | 2021-10-26 | 洛阳盛鑫工矿设备有限公司 | Automatic control system of baking oven |
| CN113547110B (en) * | 2021-06-29 | 2023-12-05 | 洛阳盛鑫工矿设备有限公司 | Automatic control system of baking oven |
| CN116792777A (en) * | 2023-05-22 | 2023-09-22 | 氨邦科技有限公司 | Boiler adulterated ammonia combustion sequence control system |
| CN116792777B (en) * | 2023-05-22 | 2024-05-31 | 氨邦科技有限公司 | Boiler adulterated ammonia combustion sequence control system |
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Effective date of registration: 20200930 Address after: Room 1205-a2, 968, 128 Memorial Road, Baoshan District, Shanghai, 200439 Applicant after: SHANGHAI DONGZHEN METALLURGY ENGINEERING TECHNOLOGY Co.,Ltd. Address before: Room 1122, building 12, No. 31, maojia Road, Baoshan District, Shanghai, 201908 Applicant before: Shanghai Zhenhong Environmental Protection Technology Co.,Ltd. |
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