CN114288772B - A fume purification device for environmental protection - Google Patents

Abstract

The invention belongs to the field of environmental protection, in particular to a flue gas purification device for environmental protection, which comprises a closing device, wherein an outer cylinder is arranged at the bottom of the closing device, the bottom of the closing device is movably connected with the top of the outer cylinder, a laminating frame is arranged at the bottom of the outer cylinder, the bottom of the outer cylinder is fixedly connected with the top of the laminating frame, support rods are symmetrically arranged on the outer surface of the laminating frame, the outer surface of the laminating frame is fixedly connected with the top of the support rods, fastening rings are arranged at the bottom of the support rods, the bottom of the support rods is fixedly connected with the outer surfaces of the fastening rings, rubber rings are symmetrically arranged at the two ends of the fastening rings, and the two ends of the fastening rings are fixedly connected with the outer surfaces of the rubber rings.

Description

A flue gas purification device for environmental protection

technical field

The invention belongs to the field of environmental protection, in particular to a flue gas purification device for environmental protection.

Background technique

The flue gas treatment equipment is to effectively treat the toxic and harmful substances contained in the flue gas to below the specified concentration, and avoid corrosion or blockage of the equipment. Flue gas treatment equipment mainly includes flue gas desulfurization tower, flue gas scrubber, absorption tower, absorption medium transmission pipe network, chimney, flue and flue gas purifier, etc., mainly used in power industry, chemical industry, coking industry, metallurgical industry As well as the manufacturing industry with self-provided boilers, etc., before the flue gas is treated in the tower type, it is generally filtered through the flue gas purifier. High-efficiency air purifiers are widely used in machinery, hardware, electronic appliances, optoelectronics, chemicals, tobacco, pharmaceuticals, food, biology and other industries and other places polluted by smoke, dust and dust. The structure consists of dust suction pipes, high-efficiency filters, A complete air purification system consisting of activated carbon filter, special vacuum fan and touch-type microcomputer controller, etc. When filtering the floating dust particles in the flue gas, it is necessary to remove and clean the filtering equipment inside the purification equipment, which is difficult to disassemble , is relatively cumbersome and inconvenient to use, and a flue gas purification device for environmental protection is proposed to solve the above-mentioned problems.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a flue gas purification device for environmental protection, which solves the problem that the traditional flue gas purification device needs to dismantle and clean the internal filtering equipment, and the disassembly is relatively difficult.

(2) Technical solutions

The technical solution adopted by the present invention to solve the technical problem is: a flue gas purification device for environmental protection according to the present invention, including a closing device, by setting the closing device, it can ensure that the flue gas used for environmental protection The convenience of use of the purification device, the bottom of the closing device is provided with an outer cylinder, and the bottom of the closing device is movably connected with the top of the outer cylinder, the bottom of the outer cylinder is provided with a fitting frame, and the bottom of the outer cylinder is connected to the top of the outer cylinder The top of the fitting frame is fixedly connected, the outer surface of the fitting frame is symmetrically provided with support rods, and the outer surface of the fitting frame is fixedly connected with the top of the supporting rods, the bottom of the supporting rods is provided with a fastening ring, and supports The bottom of the rod is fixedly connected to the outer surface of the fastening ring, and rubber rings are symmetrically arranged at both ends of the fastening ring, and the distance between the fastening rings can be adjusted by setting the rubber rings, so that this kind of environmental protection The inner diameter surrounded by the fastening ring at the bottom of the flue gas purification device can be adjusted freely, thus ensuring that this kind of flue gas purification device for environmental protection can be applied to exhaust pipes of various calibers, and the rubber ring can The two fastening rings are stretched, so that the fastening ring can fit the entire flue gas purification device for environmental protection to the exhaust pipe, thereby greatly improving the stability of the flue gas purification device for environmental protection Sex, and the two ends of the fastening ring are fixedly connected with the outer surface of the rubber ring;

The closing device includes an air guide cylinder, through which multiple components inside the outer cylinder can be replaced and maintained, making this kind of flue gas purification device for environmental protection easy to maintain during long-term use. The bottom of the air guide cylinder A closing frame is provided, and the bottom of the air guide cylinder is fixedly connected to the top of the closing frame, the bottom of the closing frame is evenly provided with fastening rods, and the connection between the closing device and the outer cylinder can be ensured by the fixing ring provided at the bottom of the closing device tightness, thereby ensuring that the filtered flue gas will not leak through the gap between the closing device and the outer cylinder during use of the flue gas purification device for environmental protection, thereby ensuring that the flue gas for environmental protection The use effect of the air purification device, and the bottom of the closed frame is fixedly connected to the top of the fastening rod, the bottom of the fastening rod is provided with a fixing ring, and the bottom of the fastening rod is fixedly connected to the outer surface of the fixing ring.

Preferably, the number of the rubber rings is two, and the height of the rubber rings is consistent with the height of the fastening ring.

Preferably, the fixing ring is located directly below the air guiding cylinder, and the inner diameter of the fixing ring is consistent with the outer diameter of the outer cylinder.

Preferably, the outer cylinder includes a placement device. By arranging the placement device, the convenience of replacement of the flue gas purification device for environmental protection can be improved. The inside of the placement device is provided with a purification filter element. By setting the purification filter element, The use convenience of this kind of flue gas purification device for environmental protection can be improved, and the inner wall of the placement device is in contact with the bottom of the purification filter element, and the toxic substances in the flue gas can be adsorbed by the purification filter element, thereby making the filtered The flue gas does not contain toxic substances, and there is a snap-fit ring directly under the placement device. By fixing the purification filter element on the top of the outer cylinder, the replacement efficiency of the purification filter element can be greatly improved, thereby ensuring this kind of flue gas purification for environmental protection. For the normal operation of the device, the top of the snap ring is provided with a filter device. By setting the filter device, the purification effect of this kind of flue gas purification device for environmental protection can be improved, and the top of the snap ring and the bottom of the filter device Flexible connection, a filter plate is arranged directly under the filter device, and a fixed cylinder is symmetrically arranged at the bottom of the filter plate, and the stability of the purification filter element can be guaranteed through the placement device set at the bottom of the purification filter element, and the stability of the purification filter element can be ensured by setting and placing The device can ensure that the flue gas after impurity removal can enter the interior of the purification filter element through the bottom of the placement device, and then purify the flue gas, and the bottom of the filter plate is fixedly connected with the top of the fixed cylinder, and the bottom of the fixed cylinder is provided with a The miscellaneous device, by setting the impurity removal device, can improve the use effect of this kind of flue gas purification device for environmental protection, and the bottom of the fixed cylinder is movably connected with the top of the impurity removal device.

Preferably, the filtering device includes a mounting plate, through which the tiny particles in the flue gas can be adsorbed and filtered, so that the particles in the flue gas can be purified and filtered inside the flue gas purification device for environmental protection , the top of the mounting plate is provided with a positioning column, and the top of the mounting plate is fixedly connected to the bottom of the positioning column, the outer surface of the positioning column is provided with a sleeve, and the filtering device is connected to the outer surface through the mounting plate provided at the bottom of the filtering device. The inside of the cylinder is movably connected, so that the filter device can be removed and cleaned after long-term use, thereby greatly improving the service life of the filter device, and the outer surface of the positioning column is movably connected with the inner wall of the sleeve, and the outer surface of the sleeve The fixed rod is symmetrically arranged, and the outer surface of the sleeve is fixedly connected with the inner wall of the fixed rod. The sleeve provided inside the filter device makes it easier to replace the filter core inside the filter device. The outer surface of the fixed rod is provided with a filter core , and the outer surface of the fixing rod is fixedly connected with the inner wall of the filter core.

Preferably, the impurity removal device includes an impurity removal plate, through which the flue gas can be preliminarily filtered so that large particulate matter in the flue gas will not enter the interior of the flue gas purification device for environmental protection, The top of the impurity removal plate is symmetrically provided with clamping columns, and the top of the impurity removal plate is fixedly connected to the bottom of the clamping columns, and the inside of the clamping columns is uniformly provided with extrusion rods, which are symmetrically arranged on the top of the impurity removal device. The clamping column and the extrusion rod can be used together to fix the impurity removal device at the bottom of the filter plate, so that the impurity removal device can be removed and cleaned after long-term use, so that the impurity removal device can always maintain high-performance impurity removal effect, and the card The inner wall of the connecting post is flexibly connected with the two ends of the extrusion rod.

Preferably, the number of the fastening posts is two, and the outer diameter of the fastening posts is consistent with the inner diameter of the fixing cylinder.

Preferably, the placement device includes a placement frame, which makes it easier to disassemble the flue gas purification device for environmental protection when replacing the purification filter element through the placement device. The placement device is used in conjunction with the closing device to fix the purification filter element, so that the purification filter element always maintains its stable inertia when it is working, so that the smoke always enters the inside of the closure device through the purification filter element, so that the harmful substances inside the smoke can be released. Residues inside the purification filter element ensure the purification effect of the flue gas purification device for environmental protection, and the bottom of the placement frame is fixedly connected with the top of the force-bearing column.

Preferably, the mounting plate is located directly above the snap ring, and the thickness of the mounting plate is consistent with the thickness of the snap ring.

The beneficial effects of the present invention are as follows:

1. The present invention can ensure the convenience of use of the flue gas purification device for environmental protection by setting the closing device, and the multiple parts inside the outer cylinder can be replaced and maintained through the closing device, so that this type is used in the environment The protected flue gas purification device is easy to maintain after long-term use, and the fixing ring at the bottom of the closing device can ensure the tightness of the connection between the closing device and the outer cylinder, thereby ensuring that this kind of flue gas purification device for environmental protection During use, the filtered flue gas will not leak through the gap between the closing device and the outer cylinder, thereby ensuring the use effect of the flue gas purification device for environmental protection.

2. The present invention can improve the convenience of use of the flue gas purification device for environmental protection by setting the purification filter element, and the toxic substances in the flue gas can be adsorbed by the purification filter element, so that the filtered flue gas does not contain Contains toxic substances, and by fixing the purification filter element on the top of the outer cylinder, the replacement efficiency of the purification filter element can be greatly improved, thereby ensuring the normal operation of the flue gas purification device for environmental protection, and through the placement device set at the bottom of the purification filter element The stability of the purification filter element during use can be guaranteed, and the placement device can ensure that the smoke after removal of impurities can enter the interior of the purification filter element through the bottom of the placement device, and then the flue gas is purified.

3. The present invention can improve the purification effect of the flue gas purification device used for environmental protection by setting the filter device, and the tiny particles in the flue gas can be adsorbed and filtered through the filter device, so that the particles in the flue gas can be absorbed and filtered. The inside of the flue gas purification device for environmental protection is purified and filtered, and the filter device is movably connected to the inside of the outer cylinder through the installation plate provided at the bottom of the filter device, so that the filter device can be dismantled and cleaned after a long time of use. The service life of the filter device is greatly improved, and the replacement of the filter core inside the filter device is more convenient through the sleeve arranged inside the filter device.

4. The present invention can improve the use effect of the flue gas purification device for environmental protection by setting the impurity removal device, and the flue gas can be preliminarily filtered through the impurity removal device, so that the large particles in the flue gas will not enter Into the inside of this kind of flue gas purification device for environmental protection, and through the use of the clamping column symmetrically arranged on the top of the impurity removal device and the extrusion rod, the impurity removal device can be fixed on the bottom of the filter plate, so that the impurity removal device It can be disassembled and cleaned after long-term use, so that the impurity removal device can always maintain high-performance impurity removal effect.

5. The present invention can improve the replacement convenience of the flue gas purification device for environmental protection by setting the placement device, and the placement device makes it easier to disassemble the flue gas purification device for environmental protection when replacing the purification filter element. It is convenient, and the purification filter element can be fixed through the use of the placement device and the closing device, so that the purification filter element always maintains its stable inertia when working, so that the smoke always enters the inside of the closing device through the purification filter element, and then makes the inside of the smoke gas Harmful substances can remain inside the purification filter element, which ensures the purification effect of this kind of flue gas purification device for environmental protection.

6. The present invention can improve the fixing effect of the flue gas purification device for environmental protection by arranging the rubber ring, and can adjust the distance between the fastening rings by arranging the rubber ring, so that the flue gas purification device for environmental protection can The inner diameter surrounded by the fastening ring set at the bottom of the gas purification device can be adjusted freely, thus ensuring that this kind of flue gas purification device for environmental protection can be applied to exhaust pipes of various calibers, and the rubber ring can be used for both A fastening ring is stretched, so that the fastening ring can fit the entire flue gas purification device for environmental protection to the exhaust pipe, thereby greatly improving the stability of the flue gas purification device for environmental protection. .

Description of drawings

Fig. 1 is the front view of the present invention;

Fig. 2 is the structural representation of figure closing device of the present invention;

Fig. 3 is the structural representation of figure outer cylinder of the present invention;

Fig. 4 is the structural representation of figure filtering device of the present invention;

Fig. 5 is a schematic structural view of the figure removal device of the present invention;

Fig. 6 is a schematic structural view of a map placing device of the present invention;

In the figure: 1. Closing device; 2. Fitting frame; 3. Rubber ring; 4. Fastening ring; 5. Support rod; 6. Outer cylinder; 11. Air guiding cylinder; 12. Closing frame; ; 14, fixed ring; 61, purification filter element; 62, filter device; 63, impurity removal device; 64, placement device; 65, clip ring; 66, filter plate; 623, positioning column; 624, mounting plate; 625, sleeve; 631, impurity removal plate; 632, clamping column; 633, extruding rod; 641, placing frame;

Detailed ways

A flue gas purification device for environmental protection according to an embodiment of the present invention will be described as follows using FIGS. 1-6 .

As shown in Figures 1-6, a flue gas purification device for environmental protection according to the present invention includes a closing device 1, and by setting the closing device 1, the flue gas purification device for environmental protection can be guaranteed The convenience of use, the bottom of the closing device 1 is provided with an outer cylinder 6, and the bottom of the closing device 1 is flexibly connected with the top of the outer cylinder 6, the bottom of the outer cylinder 6 is provided with a fitting frame 2, and the bottom of the outer cylinder 6 is connected to the The top of the fitting frame 2 is fixedly connected, the outer surface of the fitting frame 2 is symmetrically provided with support rods 5, and the outer surface of the fitting frame 2 is fixedly connected with the top of the supporting rods 5, and the bottom of the supporting rods 5 is provided with a fastening ring 4, and the bottom of the support rod 5 is fixedly connected to the outer surface of the fastening ring 4, the two ends of the fastening ring 4 are symmetrically provided with rubber rings 3, the distance between the fastening rings 4 can be adjusted by setting the rubber ring 3, and then The inner diameter surrounded by the fastening ring 4 provided at the bottom of the flue gas purification device for environmental protection can be freely adjusted, thereby ensuring that the flue gas purification device for environmental protection can be applied to exhaust gas of various calibers. trachea, and the two fastening rings 4 can be stretched through the rubber ring 3, so that the fastening ring 4 can fit the entire flue gas purification device for environmental protection with the exhaust pipe, thereby greatly improving the The stability of a flue gas purification device for environmental protection, and the two ends of the fastening ring 4 are fixedly connected to the outer surface of the rubber ring 3;

The closing device 1 includes an air guiding cylinder 11, through which the multiple components inside the outer cylinder 6 can be replaced and maintained, so that this kind of smoke purification device for environmental protection is easy to maintain when used for a long time, and the air guiding cylinder 11 The bottom is provided with a closing frame 12, and the bottom of the air guide cylinder 11 is fixedly connected to the top of the closing frame 12. The bottom of the closing frame 12 is evenly provided with fastening rods 13, and the fixing ring 14 provided at the bottom of the closing device 1 can ensure that the closing device 1 The tightness of the connection with the outer cylinder 6 further ensures that the filtered smoke will not leak through the gap between the closing device 1 and the outer cylinder 6 during use of the smoke purification device for environmental protection, thereby further The use effect of this kind of flue gas purification device for environmental protection is guaranteed, and the bottom of the closed frame 12 is fixedly connected with the top of the fastening rod 13, the bottom of the fastening rod 13 is provided with a fixed ring 14, and the fastening rod 13 The bottom of the bottom is fixedly connected with the outer surface of the fixed ring 14.

There are two rubber rings 3 , and the height of the rubber rings 3 is consistent with the height of the fastening ring 4 .

The fixing ring 14 is located directly below the air guiding cylinder 11 , and the inner diameter of the fixing ring 14 is consistent with the outer diameter of the outer cylinder 6 .

The outer cylinder 6 includes a placement device 64. By arranging the placement device 64, the convenience of replacement of this kind of flue gas purification device for environmental protection can be improved. The interior of the placement device 64 is provided with a purification filter element 61. By arranging the purification filter element 61, it can Improve the convenience of use of this kind of flue gas purification device for environmental protection, and the inner wall of the placement device 64 is in contact with the bottom of the purification filter element 61, and the toxic substances in the flue gas can be adsorbed by the purification filter element 61, thereby making the filtration The finished flue gas does not contain toxic substances, and a snap-fit ring 65 is provided directly under the placement device 64. By fixing the purification filter element 61 on the top of the outer cylinder 6, the replacement efficiency of the purification filter element 61 can be greatly improved, thereby ensuring this kind of use. Due to the normal operation of the flue gas purification device for environmental protection, a filter device 62 is arranged on the top of the clip ring 65. By setting the filter device 62, the purification effect of this kind of flue gas purification device for environmental protection can be improved, and the snap-fit The top of the ring 65 is movably connected with the bottom of the filter device 62, a filter plate 66 is arranged directly below the filter device 62, and a fixed cylinder 67 is symmetrically arranged at the bottom of the filter plate 66, and the cleaning device 64 provided at the bottom of the filter element 61 can ensure purification The stability of the filter element 61 during use, and by setting the placement device 64 can ensure that the smoke after the removal of impurities can enter the inside of the purification filter element 61 through the bottom of the placement device 64, and then purify the smoke, and the bottom of the filter plate 66 It is fixedly connected with the top of the fixed cylinder 67, and the bottom of the fixed cylinder 67 is provided with an impurity removal device 63. By arranging the impurity removal device 63, the use effect of this kind of flue gas purification device for environmental protection can be improved, and the fixed cylinder 67 The bottom is movably connected with the top of the impurity removal device 63 .

The filter device 62 includes a mounting plate 624, through which the tiny particles in the flue gas can be adsorbed and filtered, so that the particles in the flue gas can be purified and filtered inside the flue gas purification device for environmental protection. The top of the plate 624 is provided with a positioning column 623, and the top of the mounting plate 624 is fixedly connected with the bottom of the positioning column 623. The outer surface of the positioning column 623 is provided with a sleeve 625, and the mounting plate 624 provided at the bottom of the filter device 62 makes the filter device 62 is movably connected with the inside of the outer cylinder 6, so that the filter device 62 can be dismantled and cleaned after long-term use, thereby greatly improving the service life of the filter device 62, and the outer surface of the positioning post 623 is movably connected with the inner wall of the sleeve 625 , the outer surface of the sleeve 625 is symmetrically provided with a fixed rod 622, and the outer surface of the sleeve 625 is fixedly connected to the inner wall of the fixed rod 622, and the filter element 621 inside the filter device 62 is replaced by the sleeve 625 provided inside the filter device 62 More conveniently, the outer surface of the fixing rod 622 is provided with the filter core 621 , and the outer surface of the fixing rod 622 is fixedly connected with the inner wall of the filter core 621 .

The impurity removal device 63 includes an impurity removal plate 631. The flue gas can be preliminarily filtered through the impurity removal device 63, so that the large particles in the flue gas will not enter the interior of the flue gas purification device for environmental protection, and the impurity removal The top of the plate 631 is symmetrically provided with clamping columns 632, and the top of the impurity removal plate 631 is fixedly connected to the bottom of the clamping columns 632. The inside of the clamping columns 632 is uniformly provided with extrusion rods 633, and the top of the impurity removal device 63 is symmetrically arranged. The clamping post 632 provided and the extruding rod 633 are used together to fix the impurity removal device 63 on the bottom of the filter plate 66, so that the impurity removal device 63 can be removed and cleaned after a long period of use, so that the impurity removal device 63 can always be kept at a high level. It has the effect of removing impurities, and the inner wall of the clamping column 632 is movably connected with both ends of the extruding rod 633 .

There are two fastening posts 632 , and the outer diameter of the fastening posts 632 is consistent with the inner diameter of the fixing cylinder 67 .

The placement device 64 includes a placement frame 641. The placement device 64 makes it easier to disassemble the flue gas purification device for environmental protection when replacing the purification filter element 61. The bottom of the placement frame 641 is symmetrically provided with a force column 642. By placing The device 64 is used in conjunction with the closing device 1 to fix the purification filter element 61, so that the purification filter element 61 always maintains its stable inertia during operation, so that the smoke always enters the inside of the closure device 1 through the purification filter element 61, thereby making the smoke gas Harmful substances inside can remain inside the purification filter element 61 , ensuring the purification effect of the flue gas purification device for environmental protection, and the bottom of the placement frame 641 is fixedly connected to the top of the force-bearing column 642 .

The mounting plate 624 is located directly above the fastening ring 65 , and the thickness of the mounting plate 624 is consistent with the thickness of the fastening ring 65 .

The specific workflow is as follows:

When working, this kind of flue gas purification device for environmental protection can fix the whole flue gas purification device for environmental protection at the working point through the fastening ring 4 provided at the bottom and the support rod 5, and through the fastening ring 4 The rubber rings 3 arranged symmetrically at both ends can adjust the distance between the fastening rings 4, so that this kind of flue gas purification device for environmental protection can be used on the outside of multiple exhaust pipes with different calibers, and by fitting Frame 2 can avoid smoke leakage, and the closing device 1 provided on the top facilitates the disassembly of the internal components of this kind of smoke purification device for environmental protection, and the purification filter element 61 set inside the outer cylinder 6 can remove toxic smoke from the smoke. Substances are filtered, and the tiny particles in the flue gas can be adsorbed by the filter device 62 installed at the bottom of the purification filter element 61, and the large particles in the flue gas can be filtered by the impurity removal plate 631 installed inside the impurity removal device 63. The outside of the plate 631 is convenient for cleaning the impurity removal device 63.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, many forms can also be made without departing from the gist of the present invention and the protection scope of the claims, and these all belong to the protection of the present invention.

Claims (4)

1. A flue gas cleaning device for environmental protection, comprising a closing device (1), characterized in that: the bottom of the closing device (1) is provided with an outer cylinder (6), and the bottom of the closing device (1) It is flexibly connected with the top of the outer cylinder (6), the bottom of the outer cylinder (6) is provided with a fitting frame (2), and the bottom of the outer cylinder (6) is fixedly connected with the top of the fitting frame (2), so The outer surface of the fitting frame (2) is symmetrically provided with support bars (5), and the outer surface of the fitting frame (2) is fixedly connected to the top of the support bars (5), and the bottom of the support bars (5) is set There is a fastening ring (4), and the bottom of the support rod (5) is fixedly connected to the outer surface of the fastening ring (4), rubber rings (3) are symmetrically arranged at both ends of the fastening ring (4), and The two ends of the fastening ring (4) are fixedly connected with the outer surface of the rubber ring (3); The closing device (1) comprises an air guiding cylinder (11), the bottom of the air guiding cylinder (11) is provided with a closing frame (12), and the bottom of the air guiding cylinder (11) is fixedly connected to the top of the closing frame (12), The bottom of the closed frame (12) is evenly provided with fastening rods (13), and the bottom of the closed frame (12) is fixedly connected with the top of the fastening rods (13), and the bottom of the fastening rods (13) is provided with There is a fixing ring (14), and the bottom of the fastening rod (13) is fixedly connected with the outer surface of the fixing ring (14); The fixed ring (14) is located directly below the air guiding cylinder (11), and the inner diameter of the fixed ring (14) is consistent with the outer diameter of the outer cylinder (6); The outer cylinder (6) includes a placement device (64), the interior of the placement device (64) is provided with a purification filter element (61), and the inner wall of the placement device (64) is in contact with the bottom of the purification filter element (61), Just below the placement device (64) is provided with a snap ring (65), the top of the snap ring (65) is provided with a filter (62), and the top of the snap ring (65) is connected to the filter (62) The bottom of the filter device (62) is movably connected, and a filter plate (66) is arranged directly below the filter device (62), and a fixed cylinder (67) is arranged symmetrically on the bottom of the filter plate (66), and the bottom of the filter plate (66) is connected to the bottom of the filter plate (66). The top of the fixed cylinder (67) is fixedly connected, the bottom of the fixed cylinder (67) is provided with an impurity removal device (63), and the bottom of the fixed cylinder (67) is movably connected with the top of the impurity removal device (63); The filter device (62) includes a mounting plate (624), the top of the mounting plate (624) is provided with a positioning column (623), and the top of the mounting plate (624) is fixedly connected to the bottom of the positioning column (623), The outer surface of the positioning column (623) is provided with a sleeve (625), and the outer surface of the positioning column (623) is movably connected with the inner wall of the sleeve (625), and the outer surface of the sleeve (625) is symmetrically arranged There is a fixed rod (622), and the outer surface of the sleeve (625) is fixedly connected with the inner wall of the fixed rod (622), the outer surface of the fixed rod (622) is provided with a filter core (621), and the fixed rod (622 ) is fixedly connected to the inner wall of the filter core (621); The quantity of the rubber ring (3) is two, and the height of the rubber ring (3) is consistent with the height of the fastening ring (4); The impurity removal device (63) comprises an impurity removal plate (631), the top of the impurity removal plate (631) is symmetrically provided with clamping columns (632), and the top of the impurity removal plate (631) is connected to the clamping column ( 632) is fixedly connected to the bottom, and the inside of the clamping column (632) is uniformly provided with extrusion rods (633), and the inner wall of the clamping column (632) is flexibly connected to both ends of the extrusion rod (633). 2. A flue gas purification device for environmental protection according to claim 1, characterized in that: the number of the clamping columns (632) is two, and the outer diameter of the clamping columns (632) is the same as The inner diameter of the fixed cylinder (67) remains consistent. 3. A flue gas purification device for environmental protection according to claim 1, characterized in that: the placement device (64) includes a placement frame (641), and the bottom of the placement frame (641) is arranged symmetrically There is a stressed column (642), and the bottom of the placing frame (641) is fixedly connected with the top of the stressed column (642). 4. A flue gas purification device for environmental protection according to claim 1, characterized in that: the mounting plate (624) is located directly above the snap ring (65), and the mounting plate (624) The thickness is consistent with the thickness of the snap ring (65).

Images