Redundant ignition control device of roasting furnace combustion station

Abstract

The utility model relates to the technical field of roasting furnaces, and particularly discloses a roasting furnace combustion station redundancy ignition control device which is characterized by comprising a power supply system, a control assembly, a dew point testing assembly, an ignition assembly, a manual button and an ignition relay KA1. The other end of the automatic control switch and the manual button are connected with the power supply system, the dew point test assembly is in communication connection with the control assembly, the other end of the automatic control switch and the other end of the manual button are connected with the ignition relay KA1, and a normally open contact of the ignition relay KA1 is electrically connected with the power supply system and the ignition assembly. The redundant ignition control device for the roasting furnace combustion station has two control modes of manual control and automatic control, the moisture content of coal gas is detected through the dew point testing assembly, the switching-on time of the automatic control switch is controlled, and therefore the success rate of ignition is guaranteed, and the working efficiency of field operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of roasting furnaces, in particular to a redundant ignition control device for a combustion station of a roasting furnace. Background Art

[0002] A roaster is a device used to heat materials, usually used in the processing and preparation of ores, mineral sands and chemical raw materials. Its main purpose is to cause a series of physical and chemical reactions in the materials at high temperatures, thereby changing the structure and physical properties of the materials, or activating the materials, enhancing their activity and improving processing efficiency. The design of the roaster allows the high temperature to be evenly dispersed in the materials, thereby achieving the roasting effect. In addition, roasters are also used in metal smelting to heat or burn off impurities in ores and other metal-containing substances. Roasters are widely used in the production of special materials in industries such as metallurgy, petroleum inorganic chemicals, and construction.

[0003] Since the ignition control system of the roaster combustion station in the alumina production field adopts a single ignition transformer to realize the ignition of the roaster, and the gas temperature is low in winter, the moisture in the gas forms ice crystals, causing the valve to move slowly, resulting in the first ignition failure and the increase of gas concentration in the roaster combustion station, which poses a great safety hazard for the execution of the next ignition command. Manual ignition on site has low work efficiency and cannot guarantee the personal safety of the staff. Utility Model Content

[0004] In view of the technical problems in the prior art, the utility model provides a redundant ignition control device for a roasting furnace combustion station, which has two control modes: manual control and automatic control. The water content of the coal gas is detected by a dew point test component, and the connection time of the automatic control switch is controlled, thereby ensuring the success rate of ignition and improving the work efficiency of on-site operations.

[0005] A redundant ignition control device for a roasting furnace combustion station includes a power supply system, a control component, a dew point test component, an ignition component, a manual button, and an ignition relay KA1. The control component includes an automatic control switch and a counter connected in series with the automatic control switch. The other end of the automatic control switch and the manual button are connected to the power supply system. The dew point test component is communicatively connected to the control component. The other end of the automatic control switch and the other end of the manual button are connected to the ignition relay KA1. The normally open contact of the ignition relay KA1 is electrically connected to the power supply system and the ignition component.

[0006] Furthermore, the ignition assembly includes a first ignition transformer, a first ignition gun, a second ignition transformer, and a second ignition gun. The first ignition transformer is electrically connected to the first ignition gun, the second ignition transformer is electrically connected to the second ignition gun, and the first ignition transformer and the second ignition transformer are connected in parallel to the ignition relay KA1.

[0007] Furthermore, it also includes a gas pipeline. The ignition component is arranged in the roaster combustion station. The gas pipeline leads to the roaster combustion station. The dew point test component is connected in series to the gas pipeline to measure the water content of the coal gas introduced into the gas pipeline.

[0008] Furthermore, the dew point testing component is a dew point tester.

[0009] Furthermore, it also includes a flame monitoring component electrically connected to the power supply system, the flame monitoring component includes an ultraviolet sensor arranged in the roasting furnace combustion station, a flame signal processor electrically connected to the ultraviolet sensor, and the flame signal processor is electrically connected to the control component.

[0010] Furthermore, the flame monitoring component also includes a flame fault relay KA2 electrically connected to the flame signal processor and a fault indicator light connected to the normally open contact of the flame fault relay KA2.

[0011] Furthermore, the flame monitoring component also includes a flame normal relay KA3 electrically connected to the flame signal processor and a normal operation indicator light connected to the normally open contact of the flame normal relay KA3.

[0012] Furthermore, the control component is a DCS distributed control system, and the counter is a DCS counter, which is used to set the ignition control time according to the water content in the coal gas of the dew point test component.

[0013] The utility model provides a redundant ignition control device for a combustion station of a roasting furnace, an automatic control switch and a counter connected in series with the automatic control switch, the other end of the automatic control switch and a manual button are connected to a power supply system, a dew point test component is communicatively connected with a control component, the other end of the automatic control switch and the other end of the manual button are connected to an ignition relay KA1, a normally open contact of the ignition relay KA1 is electrically connected to the power supply system and the ignition component, and has two control modes, manual control and automatic control. The water content of coal gas is detected by the dew point test component, and the connection time of the counter connected in series with the automatic control switch is controlled, thereby ensuring the success rate of ignition and improving the work efficiency of on-site operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 The utility model is a structural schematic diagram of a redundant ignition control device of a roasting furnace combustion station.

[0016] Among them, 1. power supply system; 2. control component; 21. automatic control switch; 22. counter; 3. dew point test component; 4. ignition component; 41. first ignition transformer; 42. second ignition transformer; 43. second ignition transformer; 44. second ignition gun; 5. manual button; 6. ignition relay KA1; 7. flame monitoring component; 71. flame signal processor; 72. flame fault relay KA2; 73. flame normal relay KA3. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the utility model.

[0018] like Figure 1 The redundant ignition control device of a roasting furnace combustion station shown in the figure includes a power supply system 1, a control component 2, a dew point test component 3, an ignition component 4, a manual button 5, and an ignition relay KA16. The control component 2 includes an automatic control switch 21 and a counter 22 connected in series with the automatic control switch 21. The other end of the automatic control switch 21 and the manual button 5 are connected to the power supply system 1. The dew point test component 3 is connected to the control component 2 for communication. The other end of the automatic control switch 21 and the other end of the manual button 5 are connected to the ignition relay KA16. The ignition relay K The normally open contact of A16 is electrically connected to the power supply system 1 and the ignition component 4; when the manual button 5 and the automatic button are turned on, the ignition relay KA16 is turned on, the normally open contact of the ignition relay KA16 is closed, and the ignition component 4 is in operation; thereby, the ignition of the roasting furnace has two control modes: manual control and automatic control. The water content of the coal gas is detected by the dew point test component 3, and the connection time of the counter 22 is set, so that the ignition time is controlled according to the water content of the coal gas in the pipeline, thereby ensuring the success rate of ignition and improving the work efficiency of on-site operations.

[0019] Specifically, the ignition assembly 4 includes a first ignition transformer 41, a first ignition gun, a second ignition transformer 43, and a second ignition gun 44. The first ignition transformer 41 is electrically connected to the first ignition gun, the second ignition transformer 43 is electrically connected to the second ignition gun 44, and the first ignition transformer 41 and the second ignition transformer 43 are connected in parallel to the ignition relay KA16; the first ignition transformer 41 and the second ignition transformer 43 are used for the first ignition gun and the second ignition gun 44, respectively.

[0020] Specifically, it also includes a gas pipeline. The ignition component 4 is arranged in the roaster combustion station. The gas pipeline leads to the roaster combustion station. The dew point test component 3 is connected in series to the gas pipeline to measure the water content in the coal gas introduced into the gas pipeline.

[0021] Specifically, the dew point testing component 3 is a dew point tester.

[0022] Specifically, it also includes a flame monitoring component 7 electrically connected to the power supply system 1, the flame monitoring component 7 includes an ultraviolet sensor arranged in the roasting furnace combustion station, and a flame signal processor 71 electrically connected to the ultraviolet sensor, and the flame signal processor 71 is electrically connected to the control component 2; the ultraviolet sensor is used to detect the flame signal in the roasting furnace combustion station, and convert the temperature signal into an electrical signal and transmit it to the flame signal processor 71, and the flame signal processor 71 monitors and identifies the flame state and fault state.

[0023] Specifically, the flame monitoring component 7 also includes a flame fault relay KA272 electrically connected to the flame signal processor 71 and a fault indicator light connected to the normally open contact of the flame fault relay KA272; if the flame signal processor 71 identifies that there is no flame signal, the flame signal processor 71 outputs a high-level signal to the flame fault relay KA272, the flame fault relay KA272 is turned on, the normally open contact of the flame fault relay KA272 is closed, and the fault indicator light is on.

[0024] Specifically, the flame monitoring component 7 also includes a normal flame relay KA373 electrically connected to the flame signal processor 71 and a normal operation indicator light connected to the normally open contact of the normal flame relay KA373; if the flame signal processor 71 recognizes that there is a flame signal, the flame signal processor 71 outputs a high-level signal to the normal flame relay KA373, the normal flame relay KA373 is turned on, the normally open contact of the normal flame relay KA373 is closed, and the normal operation indicator light is on.

[0025] Specifically, the control component 2 is a DCS distributed control system, and the counter 22 is a DCS counter 22, which is used to set the ignition control time according to the water content in the coal gas of the dew point test component 3.

[0026] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0028] The present invention is further described above with the aid of specific embodiments. However, it should be understood that the specific description here should not be construed as limiting the essence and scope of the present invention. Various modifications made to the above embodiments by ordinary technicians in the field after reading this specification are all within the scope of protection of the present invention.

Claims

1. A redundant ignition control device for a roasting furnace combustion station, characterized in that: It includes a power supply system, a control component, a dew point test component, an ignition component, a manual button, and an ignition relay KA1. The control component includes an automatic control switch and a counter connected in series with the automatic control switch. The other end of the automatic control switch and the manual button are connected to the power supply system. The dew point test component is communicatively connected to the control component. The other end of the automatic control switch and the other end of the manual button are connected to the ignition relay KA1. The normally open contact of the ignition relay KA1 is electrically connected to the power supply system and the ignition component.

2. A redundant ignition control device for a roasting furnace combustion station according to claim 1, characterized in that: The ignition assembly includes a first ignition transformer, a first ignition gun, a second ignition transformer, and a second ignition gun. The first ignition transformer is electrically connected to the first ignition gun, the second ignition transformer is electrically connected to the second ignition gun, and the first ignition transformer and the second ignition transformer are connected in parallel to the ignition relay KA1.

3. The redundant ignition control device for a roasting furnace combustion station according to claim 1, characterized in that: It also includes a gas pipeline. The ignition component is arranged in the roaster combustion station. The gas pipeline leads to the roaster combustion station. The dew point test component is connected in series to the gas pipeline to measure the water content of the coal gas introduced into the gas pipeline.

4. A redundant ignition control device for a roasting furnace combustion station according to claim 3, characterized in that: The dew point testing component is a dew point tester.

5. The redundant ignition control device for a roasting furnace combustion station according to claim 1, characterized in that: It also includes a flame monitoring component electrically connected to the power supply system, the flame monitoring component includes an ultraviolet sensor arranged in the roasting furnace combustion station, a flame signal processor electrically connected to the ultraviolet sensor, and the flame signal processor is electrically connected to the control component.

6. A redundant ignition control device for a roasting furnace combustion station according to claim 5, characterized in that: The flame monitoring assembly also includes a flame fault relay KA2 electrically connected to the flame signal processor and a fault indicator light connected to the normally open contact of the flame fault relay KA2.

7. A redundant ignition control device for a roasting furnace combustion station according to claim 5, characterized in that: The flame monitoring assembly also includes a flame normal relay KA3 electrically connected to the flame signal processor and a normal operation indicator light connected to the normally open contact of the flame normal relay KA3.

8. The redundant ignition control device for a roasting furnace combustion station according to claim 1, characterized in that: The control component is a DCS distributed control system, and the counter is a DCS counter, which is used to set the ignition control time according to the water content in the coal gas of the dew point test component.

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