Continuous filtering device for flue gas of needle coke calcining kiln

Abstract

The utility model belongs to the technical field of flue gas filtering, and particularly discloses a continuous flue gas filtering device for a needle coke calcining kiln, which comprises gas conveying pipes, a box body is fixedly communicated between the gas conveying pipes, a filtering assembly is arranged in the box body, and a motor for driving the filtering assembly to rotate is fixedly mounted on the box body. The filtering assembly comprises a movable shell rotating in the box body, air flow is pressurized through a conical structure formed by a first filtering plate and a second filtering plate, then the air flow penetrates through the filtering assembly with higher air pressure, particles adsorbed in a first high-density filtering piece and the second filtering plate can be effectively taken away, and the filtering effect is improved. The first low-density filter block and the first high-density filter piece are turned in the same wind receiving sequence, so that the flue gas can pass through the first low-density filter block to directly take away a large amount of particulate matters adsorbed in the first high-density filter piece, and the capability of the first filter plate and the first low-density filter block to intercept the particulate matters in the flue gas is repeatedly utilized; and continuous filtration of the flue gas is completed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of flue gas filtration, and particularly relates to a continuous flue gas filtration device for a needle coke calcination kiln. BACKGROUND

[0002] Incineration, as a main method for treating waste, can achieve the purposes of reduction, harmlessness and resource utilization, and is the most effective and economical waste treatment method at present.

[0003] The existing filtration mode usually uses a filter plate to intercept particulate matters in flue gas to make the discharged gas cleaner and harmless, but it is found in actual use that, after being used for a period of time, the pores in the filter plate are blocked by the particulate matters, the filtration performance of the filter plate is greatly reduced, the filtration work needs to be interrupted, and the filter plate needs to be replaced manually, so the filtration efficiency is not high and the operation is too cumbersome, and therefore there is room for improvement. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art and provides a continuous flue gas filtration device for a needle coke calcination kiln.

[0005] To achieve the above object, the utility model provides a continuous flue gas filtration device for a needle coke calcination kiln, which comprises a gas conveying pipe, box bodies are fixedly and communicatively arranged between the gas conveying pipes, a filter assembly is arranged in the box bodies, a motor for driving the filter assembly to rotate is fixedly installed on the box bodies, the filter assembly comprises a movable shell rotating in the box bodies, first filter plates are fixedly and symmetrically arranged in the movable shell, a second filter plate is fixedly connected to a middle shaft in the movable shell, flap plates are symmetrically and rotatably arranged on one side of the movable shell, second reset spring plates are fixedly connected between the flap plates and the movable shell, and limiting blocks are fixedly and uniformly arranged on one side of the movable shell.

[0006] In the above technical scheme, further, the movable shell is in a conical structure, and one side of the second filter plate and one side of the first filter plate form a conical structure.

[0007] In the above technical scheme, further, a first low-density filter block is fixedly connected to one side in the first filter plate, a first high-density filter piece is fixedly connected to the other side in the first filter plate, a second low-density filter piece is fixedly connected to the second filter plate, and a second high-density filter piece is fixedly connected to the other side in the first filter plate.

[0008] In the above technical scheme, further, a communication hole is arranged between the second filter plate and the communication hole.

[0009] In the above technical scheme, further, a lightening groove is arranged on the flap plate, and an inclined section is fixedly connected to the end of the lightening groove.

[0010] Further in the technical scheme, the box body is symmetrically fixed with a clamping plate on one side, and two pairs of sealing plates are symmetrically rotated in the box body.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] The receiving port of the end of the gas conveying pipe is replaced, and then the motor drives the filter assembly to rotate in the box body, the clamping plate contacts the sealing plate and exerts pressure to make it turn over, the rear sealing plate is reset under the pushing of the first reset spring, the clamping plate is reset to the edge of the sealing plate to reseal the inside of the box body, and then the flue gas passes through the filter assembly in the opposite order before the filter assembly is turned over, the airflow is pressurized in the tapered structure formed by the first filter plate and the second filter plate, and then passes through the filter assembly with stronger wind pressure, thereby effectively taking away the particles adsorbed in the first high-density filter and the second filter plate, the flue gas can pass through the first low-density filter block to directly take away the large amount of particles adsorbed in the first high-density filter, the interception of the particles in the flue gas by the first filter plate and the first low-density filter block is reused, and the continuous filtration of the flue gas is completed. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A structure schematic view of the continuous flue gas filtration device of the needle coke calcination kiln is provided for the utility model;

[0014] Figure 2 A structure schematic view of the continuous flue gas filtration device of the needle coke calcination kiln is provided for the utility model;

[0015] Figure 3 A structure schematic view of the continuous flue gas filtration device of the needle coke calcination kiln is provided for the utility model;

[0016] Figure 4 A structure schematic view of the continuous flue gas filtration device of the needle coke calcination kiln is provided for the utility model.

[0017] In the drawing: 1, box body; 2, motor; 3, gas conveying pipe; 4, filter assembly; 5, sealing plate; 6, clamping plate; 7, first reset spring; 8, movable shell; 9, first filter plate; 10, first low-density filter block; 11, first high-density filter; 12, second filter plate; 13, second low-density filter; 14, second high-density filter; 15, communication hole; 16, turning plate; 17, second reset spring; 18, limiting block; 19, lightening groove; 20, inclined section. DETAILED DESCRIPTION

[0018] In order to enable the above-mentioned purposes, features and advantages of the present application to be clearer, the present application will be further described in detail below with the accompanying drawings and specific embodiments.

[0019] As Figures 1-4The utility model provides a needle coke calcination kiln flue gas continuous filtering device, including the gas pipe 3, the gas pipe 3 between fixed communication has the box 1, be provided with filter assembly 4 in the box 1, the motor 2 for driving filter assembly 4 rotation is fixedly installed on the box 1, filter assembly 4 includes the movable shell 8 that rotates in the box 1, the first filter plate 9 is fixedly connected in the movable shell 8, the second filter plate 12 is fixedly connected in the movable shell 8, the movable shell 8 one side symmetry rotates and has the flap 16, the second reset spring 17 is fixedly connected between the flap 16 and the movable shell 8, the movable shell 8 one side fixedly connected with the evenly distributed limit block 18, the movable shell 8 is provided as conical structure, the second filter plate 12 one side with the first filter plate 9 one side forms conical structure, the first low density filter block 10 is fixedly connected in the first filter plate 9 one side, the first high density filter piece 11 is fixedly connected in the first filter plate 9 other side, the second low density filter piece 13 is fixedly connected in the second filter plate 12, the second high density filter piece 14 is fixedly connected in the first filter plate 9 other side, the movable shell 8 one side symmetry fixedly connected with the clamping plate 6, the box 1 symmetry rotates and has two pairs of sealing plate 5, the flap 16 is set up with light weight groove 19, light weight groove 19 end fixedly connected with the inclined section 20, the first reset spring 7 is fixedly connected with both sides of sealing plate 5, the through hole 15 is seted up between the second filter plate 12 and the through hole 15, the first filter plate 9 and the second filter plate 12 are filled in the movable shell 8 closely, so when the gas pump is extracted to the gas pipe 3 in the end of gas pipe 3, can effectively intercept the particle in the gas, the movable shell 8 is provided as conical, can make the flue gas partial flow, a part of flue gas exerts pressure on the end of flap 16, because light weight groove 19 effectively lightens the overall weight of flap 16, so only needs very small force to make flap 16 overturn, and the setting of inclined section 20 makes the end of flap 16 be the structure of backward inclination, guides the airflow to pass through, further can guarantee the impact of airflow to stably overturn flap 16, makes the middle part of movable shell 8 be in open state, supplies the airflow after partial flow to pass through and passes through the second filter plate 12, and other partial flow flue gas passes through from the first filter plate 9, can effectively filter the particle in the flue gas through this design, through the cooperation of first high density filter piece 11 and first low density filter block 10, under the state of not overturning, first high density filter piece 11 is at the wind surface, first low density filter block 10 accepts the collection of particle preferentially, so in the process of using, first high density filter piece 11 accumulates more particles than first low density filter block 10, after using for a period of time, replace the receiving port of the end of gas pipe 3, then start motor 2 and drive filter assembly 4 to rotate in the box 1, during the process, clamping plate 6 contacts sealing plate 5 and exerts pressure and makes it overturn, and the back sealing plate 5 is reset under the push of first reset spring 7, and the clamping plate 6 reverts to the edge of sealing plate 5 and reseals the inside of box 1, after that, flue gas will pass through filter assembly 4 in the opposite order before filter assembly 4 not overturning,The airflow is pressurized in the conical structure formed by the first filter plate 9 and the second filter plate 12, and then passes through the filter assembly 4 with stronger wind pressure, thereby effectively taking away the particles adsorbed in the first high-density filter 11 and the second filter plate 12. Because the wind receiving order of the first low-density filter block 10 and the first high-density filter 11 is also reversed, the smoke can pass through the first low-density filter block 10 to directly take away a large amount of particles adsorbed in the first high-density filter 11, thereby achieving the repeated use of the particle interception capability of the first filter plate 9 and the first low-density filter block 10, and completing the continuous filtration of the smoke.

[0020] Working principle:

[0021] The first filter plate 9 and the second filter plate 12 are tightly filled in the movable shell 8, so that when the gas in the gas conveying pipe 3 is pumped out, the particles in the gas can be effectively intercepted. The movable shell 8 is conical, which can split the smoke, and a part of the smoke exerts pressure on the end of the flap 16. Because the lightweight groove 19 effectively reduces the overall weight of the flap 16, only a small force is needed to reverse the flap 16. The inclined section 20 is arranged to make the end of the flap 16 inclined backward, guiding the airflow to pass through, thereby ensuring that the impact of the airflow can stably reverse the flap 16, so that the middle part of the movable shell 8 is in an open state, allowing the split airflow to pass through the second filter plate 12, and the other split smoke to pass through the first filter plate 9. Through this design, the particles in the smoke can be effectively filtered. By arranging the first high-density filter 11 and the first low-density filter block 10, in the non-reversed state, the first high-density filter 11 is on the wind receiving surface, and the first low-density filter block 10 receives the collection of particles first. In this way, during use, the first high-density filter 11 accumulates more particles than the first low-density filter block 10. After a period of use, the receiving port at the end of the gas conveying pipe 3 is replaced, and then the motor 2 drives the filter assembly 4 to rotate in the box 1. In the process, the clamping plate 6 contacts the sealing plate 5 and exerts pressure to make it reverse. The sealing plate 5 is repositioned under the push of the first reset spring 7. After reversing, the clamping plate 6 repositions to the edge of the sealing plate 5 to reseal the inside of the box 1. Then the smoke passes through the filter assembly 4 in the opposite order before the filter assembly 4 is reversed. The airflow is pressurized in the conical structure formed by the first filter plate 9 and the second filter plate 12, and then passes through the filter assembly 4 with stronger wind pressure, thereby effectively taking away the particles adsorbed in the first high-density filter 11 and the second filter plate 12. Because the wind receiving order of the first low-density filter block 10 and the first high-density filter 11 is also reversed, the smoke can pass through the first low-density filter block 10 to directly take away a large amount of particles adsorbed in the first high-density filter 11, thereby achieving the repeated use of the particle interception capability of the first filter plate 9 and the first low-density filter block 10, and completing the continuous filtration of the smoke.

[0022] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A continuous filtration device for flue gas from a needle-shaped coke calcining kiln, comprising a gas supply pipe (3), characterized in that, A housing (1) is fixedly connected between the gas pipes (3). A filter assembly (4) is provided inside the housing (1). A motor (2) for driving the filter assembly (4) to rotate is fixedly installed on the housing (1). The filter assembly (4) includes a movable housing (8) that rotates inside the housing (1). A first filter plate (9) is symmetrically fixed inside the movable housing (8). A second filter plate (12) is fixedly connected to the central axis inside the movable housing (8). A flap (16) rotates symmetrically on one side of the movable housing (8). A second reset spring (17) is fixedly connected between the flap (16) and the movable housing (8). A uniformly distributed limiting block (18) is fixedly connected to one side of the movable housing (8).

2. The continuous filtration device for needle-shaped coke calcining kiln flue gas according to claim 1, characterized in that, The movable housing (8) is configured with a conical structure, and one side of the second filter plate (12) and one side of the first filter plate (9) form a conical structure.

3. The continuous filtration device for needle-shaped coke calcining kiln flue gas according to claim 1, characterized in that, A first low-density filter block (10) is fixedly connected to one side of the first filter plate (9), a first high-density filter element (11) is fixedly connected to the other side of the first filter plate (9), a second low-density filter element (13) is fixedly connected to the second filter plate (12), and a second high-density filter element (14) is fixedly connected to the other side of the first filter plate (9).

4. The continuous filtration device for needle-shaped coke calcining kiln flue gas according to claim 1, characterized in that, A through hole (15) is provided between the second filter plate (12) and the through hole (15).

5. The continuous filtration device for needle-shaped coke calcining kiln flue gas according to claim 1, characterized in that, The flip plate (16) is provided with a lightweight groove (19), and an inclined section (20) is fixedly connected to the end of the lightweight groove (19).

6. The continuous filtration device for needle-shaped coke calcining kiln flue gas according to claim 1, characterized in that, The movable housing (8) has a symmetrically fixed plate (6) on one side, and two pairs of sealing plates (5) are symmetrically rotated inside the box (1). The sealing plates (5) are fixedly connected to the first reset spring (7) on both sides.

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