An edge-type compensated smoke and dust sealed material guiding device for a top-loading coke oven coal car

Abstract

The present invention belongs to the technical field of coke oven coal car equipment, and relates to a blade-type compensated smoke and dust sealing and feeding device for a top-loading coke oven coal car, which includes a blade-type compensated smoke and dust sealing assembly and a coal charging hole seat. The blade-type compensated smoke and dust sealing assembly is installed at the lower part of the coal charging and feeding device of the coke oven coal car. The coal charging and feeding device includes an upper guide sleeve and a lower guide sleeve installed at the lower part of the upper guide sleeve. The upper guide sleeve is a fixed sleeve, and the lower guide sleeve is a movable sleeve. The blade-type compensated smoke and dust sealing assembly is fixedly installed at the lower part of the lower guide sleeve through bolts. The coal charging hole seat is located below the blade-type compensated smoke and dust sealing assembly. A metal steel ring is provided on the upper surface of the coal charging hole seat. When charging coal, the downward movement of the lower guide sleeve drives the blade-type compensated smoke and dust sealing assembly to move downward to contact and seal with the metal steel ring. In the case of deformation of the coal charging hole seat caused by the increase of the furnace age, a certain amount of flexible compensation can still be carried out to ensure good sealing performance; the knife edge is made of stainless steel, with better high-temperature resistance and corrosion prevention effects, and is convenient for maintenance.

Description

Technical Field

[0001] The invention belongs to the technical field of coke oven coal car equipment, and particularly relates to a blade-type compensated smoke and dust sealing and coal guiding device for a top-loading coke oven coal car. Background Art

[0002] The top-loading coke oven coal car is used to load coking coal into the coke oven carbonization chamber through the top-loading coal hole. During coal loading, while loading the coal into the carbonization chamber through the sealing and coal guiding device, it is necessary to ensure that the smoke and dust during the coal loading process do not escape. The lower part of the traditional coal guiding device of the coke oven coal car adopts a sealing structure with the cooperation of a spherical surface and a conical surface. As the furnace age increases, the top-loading coal hole seat will have horizontal and vertical displacements. In addition, the coal hole seat will be deformed under the influence of high temperature. During coal loading, a gap will be generated between the bottom spherical surface of the lower part of the coal guiding device and the conical surface of the coal hole seat, resulting in poor sealing. A large amount of flue gas will escape from the gap, polluting the atmospheric environment and affecting the pressure stability in the coke oven carbonization chamber. The existing spherical sealing cannot perform flexible compensation with the deformation of the furnace mouth and cannot seal the flue gas well. Its disadvantages are as follows:

[0003] 1) The spherical sealing cannot perform furnace mouth compensation sealing according to the deformation of the furnace mouth, resulting in the escape of flue gas and polluting the atmospheric environment;

[0004] 2) Poor sealing leads to the escape of flue gas, affecting the pressure stability in the carbonization chamber, and thus affecting the coal loading process. Summary of the Invention

[0005] The purpose of the invention is to provide a blade-type compensated smoke and dust sealing and coal guiding device for a top-loading coke oven coal car, which can perform flexible compensation, has a good sealing effect and is convenient for maintenance.

[0006] The technical solution adopted by the invention to solve its technical problems is: a blade-type compensated smoke and dust sealing and coal guiding device for a top-loading coke oven coal car, including a blade-type compensated smoke and dust sealing component and a coal hole seat. The blade-type compensated smoke and dust sealing component is installed at the lower part of the coal loading and guiding device of the coke oven coal car. The coal loading and guiding device includes an upper guide sleeve and a lower guide sleeve installed at the lower part of the upper guide sleeve. The upper guide sleeve is a fixed sleeve, and the lower guide sleeve is a movable sleeve. The blade-type compensated smoke and dust sealing component is fixedly installed at the lower part of the lower guide sleeve through bolts. The coal hole seat is located below the blade-type compensated smoke and dust sealing component. A metal steel ring is provided on the upper surface of the coal hole seat. During coal loading, the downward movement of the lower guide sleeve drives the downward movement of the blade-type compensated smoke and dust sealing component to contact and seal with the metal steel ring.

[0007] Further, the edge-type compensated smoke and dust sealing assembly includes a conical cylinder, which is in the shape of an inverted conical cylinder. A flange surface is provided on the outer periphery of the top of the conical cylinder. A number of sets of spring adjusting devices are evenly installed on the flange surface. Below each set of spring adjusting devices is a knife edge. The upper end surface of the knife edge contacts the bottom surface of the spring adjusting device. The lower end surface of the knife edge is directly above the metal steel ring of the coal charging hole seat. An upper pressing plate is welded on the lower outer wall of the conical cylinder. A lower pressing plate is provided below the upper pressing plate. A web is horizontally welded on one side of the knife edge close to the conical cylinder wall. The other end of the web is located between the upper pressing plate and the lower pressing plate. The lower pressing plate and the web are locked and fixed to the upper pressing plate by bolts.

[0008] Further, the spring adjusting device includes a spring column, a pre-tightening nut, a plug cap, a spring, and a spring cylinder. A through hole adapted for the spring cylinder to pass through is formed on the flange surface of the conical cylinder. The spring cylinder is vertically welded and fixed in the through hole of the flange surface. The spring column is arranged in the spring cylinder. A spring, a plug cap, and a pre-tightening nut are sequentially sleeved on the spring column from bottom to top. The pre-tightening nut is threadedly connected to the spring column for locking the spring column, the pre-tightening nut, the plug cap, and the spring. The plug cap is threadedly connected to the top of the spring cylinder for making the bottom of the spring column contact the upper end surface of the knife edge.

[0009] Further, a convex platform for preventing the spring from coming out is provided at the bottom of the spring column. The bottom surface of the convex platform contacts the upper end surface of the knife edge.

[0010] Further, bolt holes are provided at corresponding positions on the web, the upper pressing plate, and the lower pressing plate.

[0011] Further, both the knife edge and the web are made of stainless steel.

[0012] Further, there are 12 sets of the spring adjusting devices.

[0013] The present invention has the following beneficial effects: The edge-type compensated smoke and dust sealing and feeding device of the present invention can still perform a certain amount of flexible compensation under the condition that the coal charging hole seat is deformed due to the increase of the furnace age, ensuring good sealing performance; the knife edge of the edge-type compensated smoke and dust sealing and feeding device can cut off the pulverized coal, soil, etc. scattered on the coal charging hole seat, ensuring the sealing effect; the knife edge is made of stainless steel, with better high-temperature resistance and corrosion prevention effects, and the knife edge is convenient to replace, facilitating maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the installation schematic diagram of the edge-type compensated smoke and dust sealing and feeding device of the present invention on the coke oven coal car.

[0015] Figure 2 is the cross-sectional structure schematic diagram of the edge-type compensated smoke and dust sealing assembly of the present invention.

[0016] Figure 3It is an enlarged view of the local structure of the blade-type compensation smoke seal assembly of the present invention.

[0017] Figure 4 This is a diagram showing the positional relationship between the front-edge compensation dust seal assembly for coal loading and the coal loading hole seat.

[0018] Figure 5 This is a diagram showing the positional relationship between the blade-type compensation dust seal assembly and the coal loading hole seat during coal loading.

[0019] In the figure, 1. upper guide sleeve, 2. lower guide sleeve, 3. blade-type compensation smoke seal assembly, 4. coal loading hole seat, 3-1. spring column, 3-2. pre-tightening nut, 3-3. plugging cap, 3-4. spring, 3-5. spring cylinder, 3-6. knife edge, 3-7. web, 3-8. upper pressure plate, 3-9. lower pressure plate, 3-10. cone cylinder. DETAILED DESCRIPTION

[0020] The following are specific embodiments of the present invention to further describe the technical solution of the present invention, but the scope of protection of the present invention is not limited to these embodiments. Any changes or equivalent substitutions that do not deviate from the concept of the present invention are included in the scope of protection of the present invention.

[0021] A blade-type compensation smoke seal guide device for a top-loading coke oven coal car comprises a blade-type compensation smoke seal assembly 3 and a coal loading hole seat 4. Figure 1 As shown, the blade-type compensating smoke seal assembly 3 is installed at the lower part of the coal loading and guiding device of the coke oven coal car. The coal loading and guiding device includes an upper guide sleeve 1 and a lower guide sleeve 2 installed at the lower part of the upper guide sleeve 1. The upper guide sleeve 1 is a fixed sleeve and the lower guide sleeve 2 is a movable sleeve. The blade-type compensating smoke seal assembly 3 is fixed to the lower part of the lower guide sleeve 2 by bolts. The coal loading hole seat 4 is located below the blade-type compensating smoke seal assembly 3. A metal steel ring is provided on the upper surface of the coal loading hole seat 4. When loading coal, the lower guide sleeve 2 moves downward, driving the blade-type compensating smoke seal assembly 3 to move downward and contact and seal with the metal steel ring.

[0022] like Figure 2 、 3As shown, the blade-type compensation smoke seal assembly 3 includes a cone 3-10, which is in the shape of an inverted cone. A flange surface is provided on the outer periphery of the top of the cone 3-10. Twelve sets of spring adjustment devices are evenly installed on the flange surface. A knife edge 3-6 is provided below each set of spring adjustment devices. The upper end surface of the knife edge 3-6 contacts the bottom surface of the spring adjustment device, and the lower end surface of the knife edge 3-6 is located just above the metal steel ring of the coal loading hole seat 4. The lower part of the cone 3-10 is An upper pressure plate 3-8 is welded to the outer wall, with a lower pressure plate 3-9 positioned below it. A web 3-7 is welded horizontally to the knife edge 3-6, near the wall of the conical cylinder 3-10. The other end of the web 3-7 is positioned between the upper and lower pressure plates 3-8 and 3-9. Bolt holes are provided at corresponding locations on the web 3-7, upper and lower pressure plates 3-8, and 3-9, respectively. The lower and lower pressure plates 3-9 are secured to the upper pressure plate 3-8 with bolts. Both the knife edge 3-6 and web 3-7 are made of stainless steel. The web 3-7 is formed by die-pressing and flanging, then circumferentially welded to the knife edge 3-6. This ensures flexible deformation between the knife edge 3-6 and web 3-7, preventing weld cracking.

[0023] The spring adjusting device includes a spring column 3-1, a pre-tightening nut 3-2, a plugging cap 3-3, a spring 3-4, and a spring barrel 3-5. A through hole for the spring barrel 3-5 to pass through and adapted to the spring barrel 3-5 is opened on the flange surface of the conical barrel 3-10. The spring barrel 3-5 is vertically welded and fixed in the through hole of the flange surface. The spring column 3-1 is arranged in the spring barrel 3-5. The spring 3-4, the plugging cap 3-3 and the pre-tightening nut 3-2 are sequentially sleeved on the spring column 3-1 from bottom to top. The pre-tightening nut 3-2 is threadedly connected to the spring column 3-1 for locking the spring column 3-1, the pre-tightening nut 3-2, the plugging cap 3-3 and the spring 3-4. The plugging cap 3-3 is threadedly connected to the top of the spring barrel 3-5 for making the bottom of the spring column 3-1 contact with the upper end face of the knife edge 3-6. Preferably, a boss is provided at the bottom of the spring column 3-1 to prevent the spring 3-4 from dislodging. The bottom surface of the boss contacts the upper end surface of the blade edge 3-6. The multi-point contact between the blade edge 3-6 and the spring column 3-1 can address horizontal errors in the coal charging hole seat. The narrow blade edge and the metal steel ring on the upper surface of the coal charging hole seat can also address horizontal displacement errors in the coal charging hole seat.

[0024] Before the coal loading operation begins, the blade edge 3-6 of the blade-type compensation dust sealing guide device and the metal steel ring on the upper surface of the coal loading hole seat 4 are separated. Figure 4 When coal needs to be loaded, as shown in Figure 5As shown, the knife edge 3-6 moves downward to contact the metal steel ring on the upper surface of the coal charging hole seat 4. Under the action of external force, the knife edge 3-6 will closely fit with the metal steel ring on the upper surface of the coal charging hole seat 4. Due to the action of external force, the web 3-7 will deform upward. At this time, the upper end face of the knife edge 3-6 will compress the spring column 3-1. Through the adjustment of the spring 3-4, it can cope with the unevenness of the coal charging hole seat 4, so that the flue gas cannot overflow from the seal between the knife edge 3-6 and the metal steel ring on the upper surface of the coal charging hole seat 4. In this way, the flue gas can only be led away through the coal charging guide sleeve or sucked away by the negative pressure of the carbonization chamber, so as to achieve the sealing effect of the knife edge 3-6. After the coal charging is completed, the knife edge 3-6 leaves the metal steel ring on the upper surface of the coal charging hole seat 4. At this time, under the action of the spring 3-4, the knife edge 3-6 and the web 3-7 return to the original state.

[0025] The present invention is not limited to the above embodiments. Anyone should know that structural changes made under the inspiration of the present invention, as long as they have the same or similar technical solutions as the present invention, all fall within the protection scope of the present invention.

[0026] The technologies, shapes, and structures not described in detail in the present invention are all well-known technologies.

Claims

1. A blade-type compensated smoke and dust sealing and material guiding device for a top-loading coke oven coal car, characterized in that, It includes a blade-type compensated fume seal assembly (3) and a coal charging hole seat (4). The blade-type compensated fume seal assembly (3) is installed at the lower part of the coal charging and guiding device of the coke oven coal car. The coal charging and guiding device includes an upper guide sleeve (1) and a lower guide sleeve (2) installed at the lower part of the upper guide sleeve (1). The upper guide sleeve (1) is a fixed sleeve, and the lower guide sleeve (2) is a movable sleeve. The blade-type compensated fume seal assembly (3) is fixedly installed at the lower part of the lower guide sleeve (2) by bolts. The coal charging hole seat (4) is located below the blade-type compensated fume seal assembly (3). The upper surface of the coal charging hole seat (4) is provided with a metal steel ring. When charging coal, the downward movement of the lower guide sleeve (2) drives the blade-type compensated fume seal assembly (3) to move downward and contact the metal steel ring for sealing; The blade-type compensated fume seal assembly (3) includes a conical cylinder (3-10). The conical cylinder (3-10) is in the shape of an inverted conical cylinder. The outer circumference of the top of the conical cylinder (3-10) is provided with a flange surface. A number of sets of spring adjusting devices are evenly installed on the flange surface. Below each set of spring adjusting devices, there is a knife edge (3-6). The upper end surface of the knife edge (3-6) contacts the bottom surface of the spring adjusting device. The lower end surface of the knife edge (3-6) is directly above the metal steel ring of the coal charging hole seat (4). An upper pressing plate (3-8) is welded on the lower outer wall of the conical cylinder (3-10). Below the upper pressing plate (3-8), there is a lower pressing plate (3-9). On one side of the knife edge (3-6) close to the wall of the conical cylinder (3-10), a web plate (3-7) is horizontally welded. The other end of the web plate (3-7) is located between the upper pressing plate (3-8) and the lower pressing plate (3-9). The lower pressing plate (3-9) and the web plate (3-7) are locked and fixed to the upper pressing plate (3-8) by bolts; The spring adjusting device includes a spring column (3-1), a pre-tightening nut (3-2), a plug cap (3-3), a spring (3-4), and a spring cylinder (3-5). Through holes adapted to the spring cylinder (3-5) are formed on the flange surface of the conical cylinder (3-10) for the spring cylinder (3-5) to pass through. The spring cylinder (3-5) is vertically welded and fixed in the through hole of the flange surface. The spring column (3-1) is arranged in the spring cylinder (3-5). The spring (3-4), the plug cap (3-3), and the pre-tightening nut (3-2) are sequentially sleeved on the spring column (3-1) from bottom to top. The pre-tightening nut (3-2) is threadedly connected to the spring column (3-1) for locking the spring column (3-1), the pre-tightening nut (3-2), the plug cap (3-3), and the spring (3-4). The plug cap (3-3) is threadedly connected to the top of the spring cylinder (3-5) for making the bottom of the spring column (3-1) contact the upper end surface of the knife edge (3-6).

2. The edge-type compensated smoke and dust sealing and material guiding device for the top-loading coke oven coal car according to claim 1, wherein, The bottom of the spring column (3-1) is provided with a convex platform for preventing the spring (3-4) from coming out. The bottom surface of the convex platform contacts the upper end surface of the knife edge (3-6).

3. The edge-type compensated smoke and dust sealed material guiding device for the top-loading coke oven coal car as described in claim 1, characterized in that, Bolt holes are provided at corresponding positions on the web plate (3-7), the upper pressing plate (3-8), and the lower pressing plate (3-9).

4. The edge-type compensation soot-sealing and material-guiding device for the top-loading coke oven coal car according to claim 1, characterized in that, Both the knife edge (3-6) and the web plate (3-7) are made of stainless steel material.

5. The edge-type compensated smoke and dust sealing and material guiding device for the top-loading coke oven coal car according to claim 1, characterized in that, There are 12 sets of the spring adjusting devices.

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