Sintering micro-negative pressure ignition control device

Abstract

The utility model provides a sintering micro-negative pressure ignition control device, which relates to the technical field of sintering micro-negative pressure ignition and comprises an integral structure and a sealing structure, and the sealing structure is positioned on the outer surface of the front side of the integral structure close to the bottom; the integral structure comprises a trolley body and a collecting box, ignition chambers are fixedly connected to the two sides of the bottom of the trolley body, a trolley air bellow is arranged in the center of the bottom of each ignition chamber, and a discharging pipe is arranged in the center of the bottom of each trolley air bellow in a penetrating mode. Through the cooperation of the trolley body, the ignition chamber, the trolley air bellow, the blanking pipe, the lower gas guide pipe, the cinder valve, the gas guide pipe and the electric control valve, the stable pressure of the sintering ignition chamber can be ensured, meanwhile, the consumption of coal gas can be reduced, the quality of sintered ore is improved, and through the arrangement of the connecting rod, the overall stability is improved; and normal operation can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of sintering micro-negative pressure ignition, in particular to a sintering micro-negative pressure ignition control device. Background Art

[0002] Sintering micro-negative pressure ignition is a new type of ignition method. It adopts micro-negative pressure combustion technology. By setting a micro-negative pressure igniter at the flue gas emission of the sintering machine, the carbon monoxide and organic matter in the flue gas of the sintering machine can be fully burned, thereby achieving the purpose of reducing flue gas emissions and improving the thermal efficiency of the sintering machine.

[0003] The ignition effect directly affects the normal progress of the sintering process and the quality of the sintered ore. The existing original sintering ignition chamber negative pressure control device is mainly adjusted by the valve on the air duct. If the valve opening is small, the air duct will be blocked. If the valve opening is large, the negative pressure will be too large and energy will be wasted. This has always been a major problem that plagues sintering production. Therefore, we propose a sintering micro-negative pressure ignition control device to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problem that in the prior art, the air pipe is mainly adjusted by a valve on the air pipe, a small valve opening will cause the air pipe to be blocked, and a large valve opening will cause excessive negative pressure and waste energy, and a sintering micro-negative pressure ignition control device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sintering micro-negative pressure ignition control device, comprising an overall structure and a sealing structure, wherein the sealing structure is located on the front outer surface of the overall structure near the bottom;

[0006] The overall structure includes a trolley body and a collecting box, the bottom two sides of the trolley body are fixedly connected to an ignition chamber, the bottom center of the ignition chamber is provided with a trolley bellows, the bottom center of the trolley bellows is penetrated by a drop pipe, the bottom center of the drop pipe is penetrated by a lower air duct, the outer surface of the lower air duct is fixedly provided with an ash unloading valve near the bottom position, the outer surface of the lower air duct is penetrated by an air duct, and the outer surface of the air duct is penetrated by an electric regulating valve.

[0007] Preferably, a connecting rod is fixedly connected to the opposite side of the two trolley bellows, the top end surface of the connecting rod is fixedly connected to the bottom surface of the trolley body, and the interior of the air duct is connected to the interior of the lower air duct.

[0008] Preferably, a connection block is fixedly connected to the inner top of the collection box near both sides of the front side, and a spring is fixedly connected to the outer surface of the connection block.

[0009] Preferably, one end of the spring is fixedly connected to the outer surface of the connecting block, and the other end of the spring is fixedly connected to the rear outer surface of the sealing plate.

[0010] Preferably, sliders are slidably connected to both sides of the rear inner surface of the collection box, and a movable plate is fixedly connected to the front outer surface of the slider.

[0011] Preferably, telescopic rods are fixedly installed on the inner surfaces of both sides of the collection box near the rear side, sliding rods are fixedly connected to the inner surfaces of both sides of the collection box near the front side, the protruding ends of the sliding rods are fixedly connected to the outer surface of the movable plate, and the protruding ends of the telescopic rods are fixedly connected to the outer surface of the slider.

[0012] Preferably, the sealing structure comprises a sealing plate, and a handle is fixedly connected to the front outer surface of the sealing plate near the bottom.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, in the actual use process, through the cooperation of the trolley body, the ignition chamber, the trolley bellows, the material dropping pipe, the lower air guide pipe, the ash discharge valve, the air guide pipe and the electric regulating valve, the pressure stability of the sintering ignition chamber can be ensured, and the consumption of coal gas can be reduced, and the quality of the sintered ore can be improved. Through the setting of the connecting rod, the overall stability is increased to ensure that the operation can be carried out normally.

[0015] 2. In the utility model, after unloading, the materials will be at the inner bottom of the collection box. Then, through the cooperation of the telescopic rod, the slider, the movable plate and the slide rod, the materials on both sides can be pushed to the center of the inner bottom of the collection box so that subsequent users can collect or process them. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural schematic diagram of a sintering micro-negative pressure ignition control device is proposed for the utility model;

[0017] Figure 2 It is a three-dimensional structural diagram of the ignition chamber, the trolley bellows and the blanking pipe;

[0018] Figure 3 Schematic diagram of the internal structure of the collection box;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the telescopic rod, the movable plate and the slider.

[0020] Legend: 1. Overall structure; 2. Sealing structure; 101. Trolley body; 102. Trolley bellows; 103. Ignition chamber; 104. Collecting box; 105. Connecting rod; 106. Dropping pipe; 107. Air guide pipe; 108. Ash discharge valve; 109. Lower air guide pipe; 110. Electric regulating valve; 111. Connecting block; 112. Spring; 113. Sliding rod; 114. Movable plate; 115. Sliding block; 116. Telescopic rod; 201. Sealing plate; 202. Handle. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 4 As shown, a sintering micro-negative pressure ignition control device includes an overall structure 1 and a sealing structure 2, the sealing structure 2 is located on the front outer surface of the overall structure 1 near the bottom; the overall structure 1 includes a trolley body 101 and a collecting box 104, the bottom sides of the trolley body 101 are fixedly connected to an ignition chamber 103, a trolley bellows 102 is arranged at the bottom center of the ignition chamber 103, a drop pipe 106 is penetrated at the bottom center of the trolley bellows 102, a lower air guide pipe 109 is penetrated at the bottom center of the drop pipe 106, an ash discharge valve 108 is fixedly installed on the outer surface of the lower air guide pipe 109 near the bottom, an air guide pipe 107 is penetrated on the outer surface of the lower air guide pipe 109, and an electric regulating valve 110 is penetrated on the outer surface of the air guide pipe 107.

[0024] The effect achieved by the entire embodiment 1 is that, in actual use, it is mainly composed of an air duct 107 and a drop pipe 106, and the electric regulating valve 110 on the air duct 107 is interlocked with the pressure of the trolley bellows 102 at the lower part of the ignition chamber 103, so that when the pressure in the trolley bellows 102 is lower than or higher than the set pressure, the electric regulating valve 110 on the air duct 107 can automatically adjust the valve opening according to the pressure change, thereby ensuring the pressure stability in the trolley bellows 102.

[0025] Embodiment 2, as Figure 1-Figure 4As shown, a connecting rod 105 is fixedly connected to the opposite side of the two trolley bellows 102, and the top end surface of the connecting rod 105 is fixedly connected to the bottom surface of the trolley body 101. The interior of the air guide pipe 107 is connected to the interior of the lower air guide pipe 109. A connecting block 111 is fixedly connected to the inner top of the collecting box 104 near the front sides. A spring 112 is fixedly connected to the outer surface of the connecting block 111. One end of the spring 112 is fixedly connected to the outer surface of the connecting block 111, and the other end of the spring 112 is fixedly connected to the outer surface of the rear side of the sealing plate 201. The inner surface of the rear side of the collecting box 104 is fixedly connected to the outer surface of the sealing plate 201. Sliders 115 are slidably connected to both sides of the surface, and a movable plate 114 is fixedly connected to the front outer surface of the slide block 115. Telescopic rods 116 are fixedly installed on the inner surfaces of both sides of the collection box 104 near the rear side. Slide bars 113 are fixedly connected to the inner surfaces of both sides of the collection box 104 near the front side. The protruding ends of the slide bars 113 are fixedly connected to the outer surface of the movable plate 114, and the protruding ends of the telescopic rods 116 are fixedly connected to the outer surface of the slide block 115. The sealing structure 2 includes a sealing plate 201, and a handle 202 is fixedly connected to the front outer surface of the sealing plate 201 near the bottom.

[0026] The effect achieved by the entire embodiment 2 is that when the slider 115 is moved back and forth left and right through the telescopic rod 116, it will also drive the movable plate 114 to slide back and forth on the inner bottom of the collection box 104, so that the materials at the inner bottom of the collection box 104 are driven together, so that they can be more concentrated at the inner bottom of the collection box 104, so that the subsequent users can process them in a centralized manner. When the movable plate 114 moves back and forth, the slide bar 113 can be subjected to force to change its own state, extending or retracting, so the setting of the slide bar 113 can improve the stability of the movable plate 114 when it moves back and forth.

[0027] Working principle: First, the material enters through the trolley body 101, then the ignition chamber 103 burns the material, and the material is extracted through the trolley bellows 102, and then through the cooperation of the drop pipe 106 and the ash discharge valve 108, it can fall into the lower air duct 109, and finally be transported to the inside of the collection box 104 through the transportation of the lower air duct 109. Through the cooperation of the air duct 107 and the electric regulating valve 110, the pressure in the trolley bellows 102 can be controlled to be stable, so the whole After the whole operation is completed, the telescopic rod 116 begins to extend, so as to drive the slider 115 to move back and forth in the collection box 104. When the slider 115 is movable, it will drive the movable plate 114 to move, and the slide bar 113 will be extended or retracted together under the force, so as to improve the stability of the movable plate 114 when it moves back and forth. When the movable plate 114 moves, the material ash at the bottom of the collection box 104 can be pushed to the center of the inner bottom of the collection box 104 for subsequent centralized processing by the user.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A sintering micro-negative pressure ignition control device, characterized in that: include: An overall structure (1) and a sealing structure (2), wherein the sealing structure (2) is located on the front outer surface of the overall structure (1) near the bottom; The overall structure (1) comprises a trolley body (101) and a collection box (104); the ignition chamber (103) is fixedly connected to both sides of the bottom of the trolley body (101); a trolley bellows (102) is arranged at the bottom center of the ignition chamber (103); a material drop pipe (106) is arranged through the bottom center of the trolley bellows (102); a lower air guide pipe (109) is arranged through the bottom center of the material drop pipe (106); an ash discharge valve (108) is fixedly installed on the outer surface of the lower air guide pipe (109) near the bottom; an air guide pipe (107) is arranged through the outer surface of the lower air guide pipe (109); and an electric regulating valve (110) is arranged through the outer surface of the air guide pipe (107).

2. A sintering micro-negative pressure ignition control device according to claim 1, characterized in that: A connecting rod (105) is fixedly connected to the opposite side of the two trolley bellows (102); the top end surface of the connecting rod (105) is fixedly connected to the bottom surface of the trolley body (101); and the interior of the air guide pipe (107) is connected to the interior of the lower air guide pipe (109).

3. A sintering micro-negative pressure ignition control device according to claim 1, characterized in that: A connection block (111) is fixedly connected to the inner top of the collection box (104) near both sides of the front side, and a spring (112) is fixedly connected to the outer surface of the connection block (111).

4. A sintering micro-negative pressure ignition control device according to claim 3, characterized in that: One end of the spring (112) is fixedly connected to the outer surface of the connection block (111), and the other end of the spring (112) is fixedly connected to the rear outer surface of the sealing plate (201).

5. The sintering micro-negative pressure ignition control device according to claim 1, characterized in that: Slide blocks (115) are slidably connected to both sides of the rear inner surface of the collection box (104), and a movable plate (114) is fixedly connected to the front outer surface of the slide block (115).

6. A sintering micro-negative pressure ignition control device according to claim 5, characterized in that: Telescopic rods (116) are fixedly installed on the inner surfaces of both sides of the collection box (104) near the rear side, and sliding rods (113) are fixedly connected to the inner surfaces of both sides of the collection box (104) near the front side, the extended ends of the sliding rods (113) are fixedly connected to the outer surface of the movable plate (114), and the extended ends of the telescopic rods (116) are fixedly connected to the outer surface of the sliding block (115).

7. The sintering micro-negative pressure ignition control device according to claim 1, characterized in that: The sealing structure (2) comprises a sealing plate (201), and a handle (202) is fixedly connected to the front outer surface of the sealing plate (201) near the bottom.

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