A dust discharging device of a bag filter for hazardous waste incineration

Abstract

This invention discloses an ash discharge device for a baghouse dust collector used in hazardous waste incineration, relating to the technical field of baghouse dust collectors. The ash discharge device includes: a dust collector body, with an inlet pipe and an exhaust pipe respectively mounted on both sides of the dust collector body; a dust collector bag installed inside the dust collector body; a bag cleaning pipe mounted on the top of the dust collector body; an ash discharge pipe installed at the bottom of the dust collector body; and a fan wheel rotatably connected inside the dust collector body. When a large amount of dust adheres to the outside of the dust collector bags and needs to be cleaned, this ash discharge device uses the bag cleaning pipe to input high-pressure airflow into the dust collector body. This, combined with the fan wheel, rotating rod one, bevel gear one, reciprocating screw, bevel gear two, moving platform, and rotating block, allows the unblocking rod to clear the ash discharge pipe, reducing the possibility of blockage.

Description

Technical Field

[0001] This invention relates to the field of baghouse dust collector technology, specifically to an ash removal device for a baghouse dust collector used in hazardous waste incineration. Background Technology

[0002] Air pollution control and treatment are crucial aspects of environmental protection, aiming to reduce pollutant emissions into the atmosphere, ensure air quality, and ultimately protect ecosystems and public health. In hazardous waste incineration, baghouse dust collectors are key environmental protection equipment used to capture fine dust and harmful gases generated during incineration. The main function of a baghouse dust collector is to reduce pollutant emissions by filtering particulate matter from the air. Its working principle is based on the fact that as airflow passes through the filter bags, dust is captured on the surface of the bags, while clean gas is discharged through the bags. In this dust collection system, the ash removal device plays a vital role. The ash removal device is used to periodically remove the dust accumulated on the filter bags, maintaining the normal operation of the equipment.

[0003] Chinese patent CN118437086B, authorized and published on December 17, 2024, discloses a low-emission bag filter dust collector, which includes an upper cavity, a lower cavity, a filter bag, and a dust removal device. The upper cavity is provided with an exhaust port, and the lower cavity is provided with an air inlet. The dust removal device includes a sealing plate disposed inside the filter bag and a dust removal box disposed outside the filter bag. The sealing plate and the dust removal box can move in close contact with the filter bag, and the sealing plate is connected to an air source.

[0004] In the aforementioned application, dust collector bags are first used to treat the dust in the exhaust gas, causing a large amount of dust to adhere to the outside of the dust collector bags. Then, high-pressure gas is introduced into the dust collector bags to clean off the dust adhering to the outside of the dust collector bags and discharge it through the ash removal device. However, when a large amount of dust is discharged, there is a possibility of blockage in the ash removal pipe, which affects the ash removal efficiency of the device. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an ash removal device for a baghouse dust collector used in hazardous waste incineration, solving the problems mentioned in the background section. To achieve the above objectives, this invention is implemented through the following technical solution: an ash removal device for a baghouse dust collector used in hazardous waste incineration, comprising:

[0006] The dust collector body has an air inlet pipe and an exhaust pipe installed on both sides, a dust collector bag installed inside the dust collector body, and a bag cleaning pipe installed on the top of the dust collector body.

[0007] Ash discharge pipe, which is installed at the bottom of the dust collector body;

[0008] The dust collector body is internally connected to a fan wheel, and internally connected to a moving platform. A transmission component for transmission is assembled between the fan wheel and the moving platform. The bottom of the moving platform is internally connected to a rotating block with internal damping. A unclogging rod is assembled at the bottom of the rotating block. An elastic cleaning brush is assembled on the side of the moving platform. The dust collector body is internally equipped with auxiliary cleaning components to improve the cleaning effect of the inner wall and auxiliary unclogging components to improve the unclogging effect.

[0009] Preferably, the transmission component includes a rotating rod fixed to the side of the impeller, a bevel gear fixedly connected to the outer side of the rotating rod, a reciprocating screw rotatably connected inside the dust collector body, and a bevel gear 2 fixedly connected to the top of the reciprocating screw. This device allows the unblocking rod to clear the ash discharge pipe, reducing the possibility of blockage.

[0010] Preferably, the movable stage is located outside the reciprocating lead screw, and the movable stage and the reciprocating lead screw are connected by a thread.

[0011] Preferably, the second bevel gear is located on the side of the first bevel gear and is in mesh with the first bevel gear.

[0012] Preferably, the auxiliary cleaning assembly includes a hydraulic chamber one fixed to the outside of a rotating rod one. A sliding block is connected inside the hydraulic chamber one via an elastic telescopic rod one. An arc-shaped rod is slidably connected to the side of the hydraulic chamber one via a piston. A second hydraulic chamber is installed inside the dust collector body. A force-bearing rod is slidably connected to one end of the second hydraulic chamber via a piston, and a pressure rod is slidably connected to the other end of the second hydraulic chamber via a piston. A spring is installed at the bottom of the force-bearing rod. A force-bearing plate is connected to the side of the cleaning brush via an elastic telescopic block. By setting up the auxiliary cleaning assembly, an additional force can be applied to the cleaning brush, thereby improving the cleaning effect of the cleaning brush on the inner wall of the dust collector body.

[0013] Preferably, the force-bearing rod is located at the bottom of the arc-shaped rod and is in contact with the arc-shaped rod.

[0014] Preferably, the force-bearing plate is located on the side of the pressure rod and is in contact with the pressure rod.

[0015] Preferably, the auxiliary unblocking component includes a second rotating rod rotatably connected to the bottom of the moving platform, a gear fixedly connected to the outer side of the second rotating rod, a rack assembled inside the dust collector body, a third bevel gear fixedly connected to the side of the second rotating rod, and a fourth bevel gear fixedly connected to the outer side of the rotating block. By setting up the auxiliary unblocking component, the unblocking rod can be kept in a rotating state during unblocking, further improving its unblocking effect.

[0016] Preferably, the rack is located on the side of the gear and is in mesh with the gear.

[0017] Preferably, the fourth bevel gear is located on the side of the third bevel gear and is in mesh with the third bevel gear.

[0018] This invention provides an ash removal device for a baghouse dust collector used in hazardous waste incineration. It has the following beneficial effects:

[0019] (1) The ash discharge device of the bag dust collector used for hazardous waste incineration, when a large amount of dust is attached to the outside of the dust collector bag and needs to be cleaned, uses the bag cleaning pipe to input high-pressure airflow into the main body of the dust collector, and works with the impeller, rotating rod one, bevel gear one, reciprocating screw, bevel gear two, moving table and rotating block to make the unblocking rod unblock the ash discharge pipe and reduce the possibility of ash discharge pipe blockage.

[0020] (2) When the rotating rod one rotates rapidly, it works in conjunction with the hydraulic chamber one, the force rod one, the pressure rod, the spring, the elastic telescopic block and the force plate to apply an additional force to the cleaning brush, thereby improving the cleaning effect of the cleaning brush on the inner wall of the dust collector body.

[0021] (3) The dust removal device of the bag filter used for hazardous waste incineration, when the moving platform moves back and forth in the vertical direction, can be coordinated with the rotating rod 2, gear, rack, bevel gear 3 and bevel gear 4 to make the unblocking rod rotate when unblocking, thereby further improving its unblocking effect. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the overall appearance of the present invention;

[0023] Figure 2 This is a schematic diagram of the overall cross-sectional three-dimensional structure of the present invention;

[0024] Figure 3 This is a three-dimensional structural diagram of some parts of the present invention;

[0025] Figure 4 This is a three-dimensional structural diagram of some parts of the present invention;

[0026] Figure 5 This is a three-dimensional structural diagram of the auxiliary cleaning component of the present invention;

[0027] Figure 6 This is a three-dimensional structural diagram of some parts of the auxiliary cleaning component of the present invention;

[0028] Figure 7 For the present invention Figure 6 Enlarged structural diagram at point A in the middle;

[0029] Figure 8 This is a three-dimensional structural diagram of the auxiliary unblocking component of the present invention;

[0030] Figure 9 This is a three-dimensional structural diagram of some parts of the auxiliary unblocking component of the present invention.

[0031] In the picture:

[0032] 100. Dust collector body; 200. Inlet pipe; 300. Exhaust pipe; 400. Dust collector bag; 500. Bag cleaning pipe; 600. Ash discharge pipe; 701. Impeller; 702. Rotating rod one; 703. Bevel gear one; 704. Reciprocating screw; 705. Bevel gear two; 706. Moving platform; 707. Rotating block; 708. Unblocking rod; 709. Cleaning brush;

[0033] 800. Auxiliary cleaning components; 801. Hydraulic chamber one; 802. Elastic telescopic rod one; 803. Sliding block; 804. Arc rod; 805. Hydraulic chamber two; 806. Force-bearing rod; 807. Pressure rod; 808. Spring; 809. Elastic telescopic block; 810. Force-bearing plate;

[0034] 900. Auxiliary dredging component; 901. Rotating rod two; 902. Gear; 903. Toothed rod; 904. Bevel gear three; 905. Bevel gear four. Detailed Implementation

[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0036] Example 1, please refer to Figures 1-4 A baghouse dust collector ash removal device for hazardous waste incineration, comprising:

[0037] The dust collector body 100 is equipped with an air inlet pipe 200 and an exhaust pipe 300 on both sides of the dust collector body 100, a dust collector bag 400 is installed inside the dust collector body 100, and a bag cleaning pipe 500 is installed on the top of the dust collector body 100.

[0038] The ash discharge pipe 600 is installed at the bottom of the dust collector body 100. The exhaust gas to be treated is introduced into the dust collector body 100 through the air inlet pipe 200. The exhaust gas completes the dust removal operation through the dust collector bag 400. The exhaust gas that has completed the dust removal operation is discharged through the exhaust pipe 300.

[0039] An impeller 701 is rotatably connected inside the dust collector body 100. When a large amount of dust adheres to the outside of the dust collector bag 400 and needs to be cleaned, the use of the inlet pipe 200 and the exhaust pipe 300 is stopped, and the bag cleaning pipe 500 and the ash discharge pipe 600 are opened. High-pressure airflow is introduced into the dust collector body 100 through the bag cleaning pipe 500 to clean the dust adhering to the outside of the dust collector bag 400 and discharge it through the ash discharge pipe 600. The high-pressure airflow then drives the impeller 701, which is rotatably connected to the dust collector body 100, to rotate rapidly.

[0040] A movable platform 706 is slidably connected inside the dust collector body 100. A transmission component for transmission is assembled between the impeller 701 and the movable platform 706. The transmission component includes a rotating rod 702 fixed to the side of the impeller 701. A bevel gear 703 is fixedly connected to the outside of the rotating rod 702. A reciprocating screw 704 is rotatably connected inside the dust collector body 100. The movable platform 706 is located outside the reciprocating screw 704, and the movable platform 706 and the reciprocating screw 704 are connected by a thread. A bevel gear 705 is fixedly connected to the top of the reciprocating screw 704. The bevel gear 705 is located to the side of the bevel gear 703 and is meshed with the bevel gear 703. When the wind turbine 701 rotates rapidly, it causes the rotating rod 702, which is fixedly connected to it, to rotate. The rotating rod 702 causes the bevel gear 703, which is fixedly connected to it, to rotate. The bevel gear 703 then causes the bevel gear 705, which meshes with it, to rotate. The bevel gear 705 then causes the reciprocating screw 704, which is fixedly connected to it, to rotate.

[0041] The bottom of the moving platform 706 is rotatably connected to a rotating block 707 with internal damping. A cleaning rod 708 is mounted on the bottom of the rotating block 707, and a flexible cleaning brush 709 is mounted on the side of the moving platform 706. When the reciprocating screw 704 rotates, the moving platform 706, which is threaded onto the outside of the reciprocating screw 704, is simultaneously restricted by the inner wall of the dust collector body 100, which is slidably connected to it. This causes the moving platform 706 to reciprocate vertically during the rotation of the reciprocating screw 704. The moving platform 706 drives the rotating block 707 and the cleaning brush 709 mounted on the side of the moving platform 706 to reciprocate together. The rotating block 707 drives the cleaning rod 708 mounted on its bottom to reciprocate at the opening of the ash discharge pipe 600, clearing the ash discharge pipe 600 and reducing the possibility of blockage.

[0042] In operation, the exhaust gas to be treated is introduced into the dust collector body 100 through the inlet pipe 200. The exhaust gas passes through the dust collector bags 400 to complete the dust removal operation, and the exhaust gas is discharged through the exhaust pipe 300. When a large amount of dust adheres to the outside of the dust collector bags 400 and needs to be cleaned, the inlet pipe 200 and the exhaust pipe 300 are stopped, and the bag cleaning pipe 500 and the ash discharge pipe 600 are opened. High-pressure airflow is introduced into the dust collector body 100 through the bag cleaning pipe 500 to clean the dust adhering to the outside of the dust collector bags 400 and discharge it through the ash discharge pipe 600. The high-pressure airflow then drives the impeller 701, which is rotatably connected to the dust collector body 100, to rotate rapidly, causing the impeller 701 to drive the rotating rod 702, which is fixedly connected to it, to rotate. When the rotating rod 702 rotates, it drives the bevel gear 703, which is fixedly connected to it, to rotate. This causes the bevel gear 703 to drive the bevel gear 705, which meshes with it, to rotate. The bevel gear 705 then drives the reciprocating screw 704, which is fixedly connected to it, to rotate. Meanwhile, the moving table 706, which is threaded onto the outside of the reciprocating screw 704, is simultaneously restricted by the inner wall of the dust collector body 100, which is slidably connected to it. As the reciprocating screw 704 rotates, the moving table 706 moves back and forth in the vertical direction. The moving table 706 drives the rotating block 707, which is rotatably connected to it, and the cleaning brush 709, which is mounted on the side of the moving table 706, to move back and forth together. The rotating block 707 drives the unblocking rod 708, which is mounted at its bottom, to move back and forth at the opening of the ash discharge pipe 600.

[0043] Example 2, please refer to Figures 1-7 Based on Embodiment 1, the dust collector body 100 is internally equipped with an auxiliary cleaning component 800 to improve the cleaning effect of the inner wall. The auxiliary cleaning component 800 includes a hydraulic chamber 801 fixed to the outside of the rotating rod 702. Inside the hydraulic chamber 801, a sliding block 803 is connected via an elastic telescopic rod 802. When the rotating rod 702 rotates rapidly, the hydraulic chamber 801 fixed to its outside rotates rapidly in sync. Under the action of centrifugal force, the sliding block 803 inside the hydraulic chamber 801 stretches the elastic telescopic rod 802 and moves along the inner wall of the hydraulic chamber 801. During the movement, the sliding block 803 can squeeze the oil originally stored in the hydraulic chamber 801.

[0044] A curved rod 804 is slidably connected to the side of hydraulic chamber 1 801 via a piston. Hydraulic chamber 2 805 is installed inside the dust collector body 100. One end of hydraulic chamber 2 805 is slidably connected to a force rod 806 via a piston. The force rod 806 is located at the bottom of the curved rod 804 and is in contact with the curved rod 804. The other end of hydraulic chamber 2 805 is slidably connected to a pressure rod 807 via a piston. A spring 808 is installed at the bottom of the force rod 806. A force plate 810 is connected to the side of cleaning brush 709 via an elastic telescopic block 809. The force plate 810 is located on the side of the pressure rod 807 and is in contact with the pressure rod 807. When the oil originally stored in hydraulic chamber 801 is compressed, the oil flows towards the side closer to the arc-shaped rod 804, causing the arc-shaped rod 804, which is slidably connected to hydraulic chamber 801 via a piston, to move out of hydraulic chamber 801. As hydraulic chamber 801 rotates, the arc-shaped rod 804 moves out synchronously, thus compressing the force-bearing rod 806 and causing it to move downwards. This, combined with hydraulic chamber 805, which is slidably connected to the force-bearing rod 806 via a piston, causes the force-bearing rod 806 to move downwards... During the downward movement, the oil originally stored in the hydraulic chamber 805 is squeezed. The oil is squeezed and flows towards the side closer to the pressure rod 807, causing the pressure rod 807, which is connected to the hydraulic chamber 805 by a piston, to extend out of the hydraulic chamber 805. The pressure rod 807 then squeezes the force plate 810, thereby applying an additional force to the cleaning brush 709 through the force plate 810 and the elastic telescopic block 809, thus improving the cleaning effect of the cleaning brush 709 on the inner wall of the dust collector body 100.

[0045] In use, based on Embodiment 1, when the rotating rod 702 rotates rapidly, the hydraulic chamber 801 fixed to its outer side rotates rapidly in sync. Under centrifugal force, the sliding block 803 inside the hydraulic chamber 801 stretches the elastic telescopic rod 802 and moves along the inner wall of the hydraulic chamber 801. During this movement, the sliding block 803 squeezes the oil originally stored in the hydraulic chamber 801. The squeezed oil flows towards the side closer to the arc-shaped rod 804, causing the arc-shaped rod 804, which is slidably connected to the hydraulic chamber 801 via a piston, to move out of the hydraulic chamber 801. As the hydraulic chamber 801 rotates, the arc-shaped rod 804... When rod 804 moves out synchronously, it can squeeze the force-bearing rod 806 and drive the force-bearing rod 806 to move downward. In conjunction with the hydraulic chamber 805 which is slidably connected to the force-bearing rod 806 via a piston, the force-bearing rod 806 can squeeze the oil originally stored in the hydraulic chamber 805 during its downward movement. The oil is squeezed and flows towards the side closer to the pressure rod 807, causing the pressure rod 807, which is slidably connected to the hydraulic chamber 805 via a piston, to extend out of the hydraulic chamber 805. The pressure rod 807 can then squeeze the force plate 810, thereby applying an additional force to the cleaning brush 709 through the force plate 810 and the elastic telescopic block 809.

[0046] Example 3, please refer to Figures 1-9 Based on Embodiments 1 and 2, the dust collector body 100 is internally equipped with an auxiliary unblocking component 900 to improve unblocking effect. The auxiliary unblocking component 900 includes a rotating rod 901 rotatably connected to the bottom of the moving platform 706, and a gear 902 is fixedly connected to the outer side of the rotating rod 901. When the moving platform 706 reciprocates in the vertical direction, it drives the rotating rod 901 rotatably connected to the moving platform 706 to reciprocate in the vertical direction, causing the gear 902 fixedly connected to the rotating rod 901 to move along with it.

[0047] The dust collector body 100 is internally equipped with a rack 903, which is located on the side of gear 902 and meshes with it. A bevel gear 904 is fixedly connected to the side of rotating rod 901, and a bevel gear 905 is fixedly connected to the outer side of rotating block 707. The bevel gear 905 is located on the side of bevel gear 904 and meshes with it. When gear 902 moves, it is restricted by the rack 903, causing it to rotate. This rotation drives rotating rod 901, which in turn drives bevel gear 904, which in turn drives bevel gear 905, which in turn drives rotating block 707. Rotating block 707 then drives unblocking rod 708, which is also fixedly connected to it, to rotate. In this way, the unblocking rod 708 can be rotated during unblocking, further improving its unblocking effect.

[0048] In use, based on Embodiment 1 and Embodiment 2, when the moving platform 706 reciprocates in the vertical direction, it drives the rotating rod 901, which is rotatably connected to the moving platform 706, to reciprocate in the vertical direction as well. This causes the gear 902, which is fixedly connected to the rotating rod 901, to move along with it. The gear 902 is restricted by the gear 903 meshing with it during its movement, causing the gear 902 to rotate during its movement. The gear 902 then drives the rotating rod 901, which is fixedly connected to it, to rotate. This causes the rotating rod 901 to drive the bevel gear 904, which is fixedly connected to it, to rotate. The bevel gear 904 then drives the bevel gear 905, which meshes with it, to rotate. This causes the bevel gear 905 to drive the rotating block 707, which is fixedly connected to it, to rotate. The rotating block 707 then drives the unblocking rod 708, which is fixedly connected to it, to rotate.

[0049] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A baghouse ash removal device for hazardous waste incineration, characterized by, include: The dust collector body has an air inlet pipe and an exhaust pipe installed on both sides, a dust collector bag installed inside the dust collector body, and a bag cleaning pipe installed on the top of the dust collector body. Ash discharge pipe, which is installed at the bottom of the dust collector body; The dust collector body is internally connected to a fan wheel, and internally connected to a moving platform. A transmission component is assembled between the fan wheel and the moving platform. The transmission component includes a rotating rod fixed to the side of the fan wheel, a bevel gear fixedly connected to the outer side of the rotating rod, a reciprocating screw rotatably connected to the inside of the dust collector body, a bevel gear fixedly connected to the top of the reciprocating screw, a rotating block with internal damping rotatably connected to the bottom of the moving platform, a dredging rod assembled at the bottom of the rotating block, a flexible cleaning brush assembled on the side of the moving platform, an auxiliary cleaning component to improve the cleaning effect of the inner wall, and an auxiliary unblocking component to improve the unblocking effect. The auxiliary cleaning assembly includes a hydraulic chamber 1 fixed to the outside of a rotating rod 1. A sliding block is connected inside the hydraulic chamber 1 via an elastic telescopic rod 1. An arc-shaped rod is slidably connected to the side of the hydraulic chamber 1 via a piston. A hydraulic chamber 2 is assembled inside the dust collector body. A force-bearing rod is slidably connected to one end of the hydraulic chamber 2 via a piston. A pressure rod is slidably connected to the other end of the hydraulic chamber 2 via a piston. A spring is assembled at the bottom of the force-bearing rod. A force-bearing plate is connected to the side of the cleaning brush via an elastic telescopic block. The auxiliary unblocking component includes a rotating rod two rotatably connected to the bottom of the moving platform. A gear is fixedly connected to the outer side of the rotating rod two. A rack is assembled inside the dust collector body. A bevel gear three is fixedly connected to the side of the rotating rod two. A bevel gear four is fixedly connected to the outer side of the rotating block.

2. The baghouse ash removal device for hazardous waste incineration according to claim 1, characterized in that: The movable stage is located outside the reciprocating lead screw, and the movable stage and the reciprocating lead screw are connected by a thread.

3. The baghouse ash removal device for hazardous waste incineration according to claim 1, characterized in that: The second bevel gear is located on the side of the first bevel gear and is in mesh with the first bevel gear.

4. The ash removal device of a bag filter for hazardous waste incineration according to claim 1, characterized in that: The force-bearing rod is located at the bottom of the arc-shaped rod and is in contact with the arc-shaped rod.

5. The ash removal device of a bag filter for hazardous waste incineration according to claim 1, characterized in that: The force-bearing plate is located on the side of the pressure rod and is in contact with the pressure rod.

6. The ash removal device of a bag filter for hazardous waste incineration according to claim 1, characterized in that: The rack is located on the side of the gear and is in mesh with the gear.

7. The ash removal device of a bag filter for hazardous waste incineration according to claim 1, characterized in that: The fourth bevel gear is located on the side of the third bevel gear and is in mesh with the third bevel gear.

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