CN211273928U

CN211273928U - Industrial waste gas purification device for environmental protection

Info

Publication number: CN211273928U
Application number: CN201921340474.5U
Authority: CN
Inventors: 姜沄青
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-08-18
Anticipated expiration: 2029-08-19

Abstract

The utility model provides an industrial waste gas purification device for environmental protection, which comprises an L-shaped pipe; a first rotating shaft is embedded in the side wall of the pipeline where the air outlet end is located; a second cylinder, a first cylinder, a cylinder and an active carbon adsorption device are sequentially arranged in the pipeline with the air inlet end from the air inlet end to the inside; the second cylinder is attached to the inner wall of the L-shaped pipe, and one end of the second cylinder is fixedly connected with the first cylinder; one side of the first barrel body is provided with a barrel body, and one end of the barrel body is fixedly connected with a second bevel gear; the second helical gear lateral wall fixedly connected with third rotation axis, the other end and the active carbon adsorption device of third rotation axis are connected, and active carbon adsorption device locates the position that is close to L type pipe department of bending. The utility model discloses the function is various, the energy saving, and the practicality is strong, can provide power through the flue gas, can make the rotatory emergence vibrations simultaneously of filter screen to prevent the filter screen blocking, indirectly improve the filter effect of filter screen, use the active carbon granule to carry out purification treatment to waste gas, make gas reach emission standard.

Description

Industrial waste gas purification device for environmental protection

Technical Field

The invention relates to the technical field of environmental protection devices, in particular to an industrial waste gas purification device for environmental protection.

Background

Waste gas purification mainly refers to the work of administering such as dust particulate matter, flue gas smoke and dust, peculiar smell gas, poisonous and harmful gas to the industrial waste gas that industrial site produced, and common waste gas purification has factory's smoke and dust exhaust purification, workshop dust exhaust purification, chemical industry exhaust purification etc. however, current exhaust treatment device, the structure is comparatively single, and the power consumption is great, and the filter screen is easy to block up after using for a long time, can not reach the expectancy effect to the purification of waste gas usually.

Disclosure of Invention

The invention aims to solve the problems that the existing waste gas treatment device is easy to block, consumes large energy and cannot reach the purification standard, and provides an industrial waste gas purification device for environmental protection.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

an industrial waste gas purification device for environmental protection comprises an L-shaped pipe, wherein one end of the L-shaped pipe is an air inlet end, and the other end of the L-shaped pipe is an air outlet end; a first rotating shaft is embedded in the side wall of the pipeline where the air outlet end is located, one end of the first rotating shaft penetrates through the L-shaped pipe and is fixedly connected with an impeller, the other end of the first rotating shaft penetrates through the L-shaped pipe and is fixedly connected with a first helical gear, and the impeller drives the first helical gear to rotate through the first rotating shaft; a second cylinder, a first cylinder, a cylinder and an active carbon adsorption device are sequentially arranged in the pipeline where the air inlet end is located from the air inlet end to the inside; the second cylinder is attached to the inner wall of the L-shaped pipe, a steel brush is arranged in the second cylinder, and one end of the steel brush is fixedly connected with the inner wall of the L-shaped pipe through a first L-shaped rod; one end of the second cylinder is fixedly connected with a first cylinder, a sliding groove is formed between the outer wall of the first cylinder and the inner wall of the L-shaped pipe, a first sliding block is attached in the sliding groove in a sliding mode, and the first sliding block is fixedly connected with the outer wall of the first cylinder; a filter screen is fixedly embedded in the first cylinder body along the cross section, and the side wall of the filter screen is attached to the end part of the steel brush; one side of the first barrel is provided with a barrel body, one end of the barrel body is fixedly connected with a second bevel gear, a second sliding block is attached in the barrel body in a sliding mode, one end of the second sliding block is fixedly connected with the second bevel gear through a spring, the other end of the second sliding block is fixedly connected with a cross rod, the cross rod is connected with the barrel body in a sliding mode, the other end of the cross rod penetrates out of the barrel body, the cross rod penetrates out of the outer side wall of the barrel body and is symmetrically and fixedly connected with two Z-shaped rods, and the other end of each Z-shaped rod is fixedly connected with the inner wall; the barrel body is also provided with a fourth helical gear, the fourth helical gear is meshed with the second helical gear, one end of the fourth helical gear is fixedly connected with a second rotating shaft, the top end of the second rotating shaft penetrates through the L-shaped pipe and is fixedly connected with a third helical gear, and the third helical gear is meshed with the first helical gear; the second helical gear lateral wall fixedly connected with third rotation axis, the other end and the active carbon adsorption device of third rotation axis are connected, active carbon adsorption device locate the position that is close to L type pipe department of bending, the both sides of active carbon adsorption device and the pipe wall fixed connection of L type pipe.

The technical scheme for further solving the problem is that two second L-shaped rods are symmetrically and fixedly connected to the inner side wall of the L-shaped pipe where the air inlet end is located, the other end of the second L-shaped pipe is fixedly connected with a convex block, a groove is formed in the end portion of the first cylinder body along the circumferential direction, and the convex block is inserted into the groove and contacts with the groove.

The technical scheme of the invention for further solving is that the active carbon adsorption device comprises a hole box, a feeding pipe, a discharging pipe and active carbon particles; the other end of the third rotating shaft penetrates into the hole box, two limiting rings are fixedly sleeved on the third rotating shaft, the two limiting rings are respectively positioned on two sides of the hole box and are attached to the side wall, and activated carbon particles are filled in the hole box; the top surface of the hole box is fixedly communicated with a feeding pipe, and the other end of the feeding pipe penetrates through the L-shaped pipe and is fixedly connected with the pipe wall of the L-shaped pipe; the bottom surface of the hole box is fixedly connected with a discharge pipe, and the other end of the discharge pipe penetrates out of the L-shaped pipe and is fixedly connected with the pipe wall of the L-shaped pipe.

The invention further solves the technical scheme that the end parts of the feeding pipe and the discharging pipe are fixedly connected with cover bodies.

The technical scheme for further solving the problem is that a slag discharging pipe is fixedly communicated with the pipe wall between the second cylinder and the air inlet end of the L-shaped pipe, the bottom of the slag discharging pipe penetrates through the L-shaped pipe and is fixedly communicated with a collecting box, a connecting pipe is fixedly communicated with the side wall of the slag discharging pipe, the other end of the connecting pipe is communicated with the L-shaped pipe, and a valve is fixedly connected to the side wall of the slag discharging pipe below a joint of the connecting pipe and the slag discharging pipe.

The invention further solves the technical scheme that a box door is hinged on the side wall of the collecting box, and a sealing strip is arranged between the collecting box and the box door.

The technical scheme for further solving the problem is that sealing rings are arranged at the connecting positions of the first rotating shaft and the second rotating shaft and the L-shaped pipe, and the sealing rings are attached to the pipe wall of the L-shaped pipe.

The technical scheme of the invention for further solving is that the impeller is positioned on the central axis of the pipeline where the air outlet end is positioned.

Compared with the prior art, the invention has the advantages that:

according to the industrial waste gas purification device for environmental protection, the first rotating shaft, the impeller, the first helical gear, the first sealing ring, the sliding block, the first cylinder, the second cylinder, the filter screen, the cross rod, the cylinder body, the second helical gear, the sliding block and the like are arranged, so that power can be provided for waste gas to be treated, energy consumption is reduced, the second L-shaped rod, the lug, the second rotating shaft, the hole box, the third rotating shaft, the Z-shaped rod, the third helical gear, the fourth helical gear, the second sealing ring and the like are arranged, so that the filter screen can vibrate while rotating, the filter screen is prevented from being blocked, the filtering effect of the filter screen is indirectly improved, and the waste gas is purified by using activated carbon particles, so that the gas reaches the emission standard. The device has multiple functions, saves energy and has strong practicability.

Drawings

FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

FIG. 3 is a schematic view of the structure of the activated carbon adsorption unit of the present invention.

In the figure, the serial numbers of a 1-L-shaped pipe, a 2-first rotating shaft, a 3-impeller, a 4-first helical gear, a 5-second cylinder, a 6-first cylinder, a 7-cylinder, an 8-activated carbon adsorption device, a 9-second helical gear, a 10-fourth helical gear, a 11-second rotating shaft, a 12-third helical gear, a 13-third rotating shaft, a 14-slag discharging pipe, a 15-collecting box, a 16-connecting pipe, a 17-valve, an 18-sealing ring, a 51-steel brush, a 52-first L-shaped rod, a 61-chute, a 62-first sliding block, a 63-filtering net, a 64-groove, a 71-second sliding block, a 72-spring, a 73-cross rod, a 74-Z-shaped rod, a 75-second L-shaped rod, a 76-lug, a, 81-hole box, 82-feeding pipe, 83-discharging pipe, 84-activated carbon particles, 85-limiting ring, 86-cover body and 151-box door.

Detailed Description

The invention is further illustrated by the following figures and examples.

Referring to fig. 1, the industrial waste gas purification device for environmental protection comprises an L-shaped pipe 1, wherein one end of the L-shaped pipe 1 is an air inlet end, and the other end of the L-shaped pipe 1 is an air outlet end; a first rotating shaft 2 is embedded in the side wall of the pipeline where the air outlet end is located, one end of the first rotating shaft 2 penetrates through the L-shaped pipe 1 and is fixedly connected with an impeller 3, the other end of the first rotating shaft 2 penetrates through the L-shaped pipe 1 and is fixedly connected with a first helical gear 4, and the impeller 3 drives the first helical gear 4 to rotate through the first rotating shaft 2; a second cylinder 5, a first cylinder 6, a cylinder 7 and an active carbon adsorption device 8 are sequentially arranged in the pipeline where the air inlet end is located from the air inlet end to the inside; the second cylinder 5 is attached to the inner wall of the L-shaped pipe 1, a steel brush 51 is arranged in the second cylinder 5, and one end of the steel brush 51 is fixedly connected with the inner wall of the L-shaped pipe 1 through a first L-shaped rod 52; one end of the second cylinder 5 is fixedly connected with the first cylinder 6, preferably, the second cylinder 5 is connected with the first cylinder 6 by welding, a sliding groove 61 is formed between the outer wall of the first cylinder 6 and the inner wall of the L-shaped pipe 1, a first sliding block 62 is attached in the sliding groove 61 in a sliding manner, and the first sliding block 62 is fixedly connected with the outer wall of the first cylinder 6; a filter screen 63 is fixedly embedded in the first cylinder 6 along the cross section, the direction of the filter screen 63 is vertical to the gas flowing direction, the side wall of the filter screen 63 is attached to the end part of the steel brush 51, and the steel brush 51 can clean the surface of the filter screen 63; a barrel body 7 is arranged on one side of the first barrel body 6, a second bevel gear 9 is fixedly connected to one end of the barrel body 7, a second sliding block 71 is attached to the barrel body 7 in a sliding mode, one end of the second sliding block 71 is fixedly connected with the second bevel gear 9 through a spring 72, the other end of the second sliding block 71 is fixedly connected with a cross rod 73, the cross rod 73 is connected with the barrel body 7 in a sliding mode, the other end of the cross rod 73 penetrates through the barrel body 7, two Z-shaped rods 74 are symmetrically and fixedly connected to the outer side wall of the barrel body 7 through which the cross rod 73 penetrates, and the other end of each Z-shaped rod 74 is fixedly connected with the inner wall of the first; the barrel body 7 is further provided with a fourth helical gear 10, the fourth helical gear 10 is meshed with the second helical gear 9, one end of the fourth helical gear 10 is fixedly connected with a second rotating shaft 11, the top end of the second rotating shaft 11 penetrates through the L-shaped pipe 1 and is fixedly connected with a third helical gear 12, and the third helical gear 12 is meshed with the first helical gear 4; the lateral wall of the second helical gear 9 is fixedly connected with a third rotating shaft 13, the other end of the third rotating shaft 13 is connected with an activated carbon adsorption device 8, the activated carbon adsorption device 8 is arranged at a position close to the bending position of the L-shaped pipe, and two sides of the activated carbon adsorption device 8 are fixedly connected with the pipe wall of the L-shaped pipe 1.

Referring to fig. 2, in this embodiment, in order to solve the problem that a part of slag is blocked in the filter screen 63 and the steel brush 51 cannot be cleaned, two second L-shaped rods 75 are symmetrically and fixedly connected to the inner side wall of the L-shaped pipe 1 where the air inlet end is located, a protrusion 76 is fixedly connected to the other end of the second L-shaped rod 75, a groove 64 is circumferentially arranged at the end of the first cylinder 6, and the protrusion 76 is inserted into the groove 64 and contacts with the groove 64. At this time, the barrel 7 drives the Z-shaped rod 74 to rotate, the Z-shaped rod 74 drives the first barrel 6 to rotate, meanwhile, the first barrel 6 is pushed by the waste gas entering from the air inlet end, the horizontal movement can be performed in the direction of the second L-shaped rod 75 under the control of the cross rod 73 and the spring 72 until the groove 64 is contacted with the bump 76, after the contact, the groove 64 moves in the opposite direction under the resistance of the bump 76 due to the left-right telescopic characteristic of the spring until the waste gas acts on the first barrel 6 to be pushed inwards again, and in the whole process, the bump 76 repeatedly beats the first barrel 6, so that the first barrel 6 generates amplitude motion, the first barrel 6 drives the filter screen 63 to vibrate, so that the filter screen 63 performs amplitude motion in the rotating process, and the slag on the filter screen 63 conveniently falls.

Referring to fig. 3, in the present embodiment, the activated carbon adsorption device 8 includes a hole box 81, a feeding pipe 82, a discharging pipe 83, and activated carbon particles 84; the other end of the third rotating shaft 13 penetrates into the hole box 81, two limiting rings 85 are fixedly sleeved on the third rotating shaft 13, the two limiting rings 85 are respectively positioned on two sides of the hole box 81 and are attached to the side walls, and activated carbon particles 84 are filled in the hole box 81; the top surface of the hole box 81 is fixedly communicated with a feeding pipe 82, and the other end of the feeding pipe 82 penetrates through the L-shaped pipe 1 and is fixedly connected with the pipe wall of the L-shaped pipe; the bottom surface of the hole box 81 is fixedly connected with a discharge pipe 83, and the other end of the discharge pipe 83 penetrates through the L-shaped pipe 1 and is fixedly connected with the pipe wall of the L-shaped pipe.

In this embodiment, the ends of the feeding pipe 82 and the discharging pipe 83 are fixedly connected with a cover 86.

In this embodiment, in order to collect and recover the slag obtained by the treatment, a slag discharging pipe 14 is fixedly communicated with a pipe wall between the air inlet ends of the second cylinder 5 and the L-shaped pipe 1, the bottom of the slag discharging pipe 14 penetrates through the L-shaped pipe 1 and is fixedly communicated with a collecting box 15, a box door 151 is hinged on the side wall of the collecting box 15, a sealing strip is arranged between the collecting box 15 and the box door 151, a connecting pipe 16 is fixedly communicated with the side wall of the slag discharging pipe 14, the other end of the connecting pipe 16 is communicated with the L-shaped pipe 1, and a valve 17 is fixedly connected with the side wall of the slag discharging pipe 14 below the interface of the slag discharging pipe 16.

In this embodiment, the joints between the first rotating shaft 2 and the L-shaped pipe 1 and between the second rotating shaft 11 and the L-shaped pipe 1 are provided with sealing rings 18, and the sealing rings 18 are attached to the pipe wall of the L-shaped pipe 1. Specifically, the first rotating shaft 2 is fixedly sleeved with two sealing rings 18 through glue, and the two sealing rings 18 are respectively positioned at two sides of the L-shaped pipe 1 and attached to the side wall of the L-shaped pipe; the second rotating shaft 11 is fixedly sleeved with two sealing rings 18 through glue, and the two sealing rings 18 are respectively positioned at two sides of the L-shaped pipe 1 and attached to the two sides of the L-shaped pipe.

In this embodiment, the impeller 3 is located on the central axis of the pipeline where the air outlet end is located.

The working principle and the process of the invention are as follows:

the waste gas purification mainly refers to the work of treating industrial waste gas such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas generated in industrial places, when the factory waste gas needs to be purified, the air inlet end of an L-shaped pipe 1 on the device is welded with the exhaust end of the factory waste gas, the waste gas enters the L-shaped pipe 1, firstly passes through a second cylinder 5 and then enters a first cylinder 6, the coarse slag particles are primarily filtered after being filtered by a filter screen 63, the filter screen 63 can be selected according to the size of the actual waste gas particles, then the filtered waste gas enters a hole box 81 and is adsorbed by activated carbon particles 84, the toxic and harmful gas is purified and adsorbed, and finally the waste gas is discharged from the air outlet end of the L-shaped pipe 1; when gas is discharged from the gas outlet end of the L-shaped tube 1, the impeller 3 located on the central axis can be pushed to rotate, the impeller 3 drives the first rotating shaft 2 to rotate, the first rotating shaft 2 drives the first helical gear 4 to rotate, the first helical gear 4 drives the third helical gear 12 to rotate, the third helical gear 12 drives the second rotating shaft 11 to rotate, the second rotating shaft 11 drives the fourth helical gear 10 to rotate, the fourth helical gear 10 drives the second helical gear 9 to rotate, the second helical gear 9 drives the barrel body 7 to rotate, the barrel body 7 drives the second sliding block 71 to rotate, the second sliding block 71 drives the cross rod 73 to rotate, the cross rod 73 drives the Z-shaped rod 74 to rotate, the Z-shaped rod 74 drives the first barrel 6 to rotate, the first barrel 6 drives the filter screen 63 to rotate, one side of the filter screen 63 is attached to the steel brush 51, the steel brush 51 cleans the surface of the filter screen 63, the filter screen 63 is effectively prevented from being blocked, and meanwhile, the first barrel 6 is, the second sliding block 71 and the spring 72 can horizontally move towards the direction of the second L-shaped rod 75 until the groove 64 is contacted with the bump 76, after the contact, the groove 64 moves towards the opposite direction under the resistance of the bump 76 due to the fact that the spring has the characteristic of stretching left and right, until the exhaust gas acts again to push the returned first cylinder 6 inwards, the bump 76 repeatedly beats the first cylinder 6 in the whole process, so that the first cylinder 6 generates amplitude movement, the first cylinder 6 drives the filter screen 63 to vibrate, the filter screen 63 performs amplitude movement in the rotating process, and slag on the filter screen 63 conveniently falls; the slag falls into the second cylinder 2 after being cleaned by the steel brush 51 and then falls into the inner bottom surface of the L-shaped pipe 1, the first cylinder 6 drives the second cylinder 5 to move, the second cylinder 5 repeatedly pushes the slag on the inner bottom surface of the L-shaped pipe 1, the slag is pushed into the slag discharging pipe 14 and then enters the collecting box 15; the box door 151 on the collection box 15 is opened discontinuously to clean the slag inside the collection box 15, the valve 17 is closed when the slag is cleaned, the slag is temporarily stored in the connecting pipe 16 at the moment, the box door 151 is closed after the cleaning is finished, and the valve 17 is opened again to carry out the treatment again. When the activated carbon particles 84 need to be replaced, the cover body 86 at the bottom end of the discharge pipe 83 is opened, the activated carbon particles 84 are discharged from the bottom end of the discharge pipe 83, the cover body 86 at the bottom end of the discharge pipe 83 is screwed, the cover body 86 at the top end of the feed pipe 82 is unscrewed, unused activated carbon particles 84 are added, and finally the cover body 86 at the top end of the feed pipe 82 is screwed, so that the activated carbon particles 26 are replaced, the sealing performance of the device is ensured by the arrangement of the sealing ring 18, the waste gas purification treatment is facilitated, and the purification efficiency is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The utility model provides an industrial waste gas purifier for environmental protection which characterized in that: the air conditioner comprises an L-shaped pipe (1), wherein one end of the L-shaped pipe (1) is an air inlet end, and the other end of the L-shaped pipe (1) is an air outlet end; a first rotating shaft (2) is embedded in the side wall of the pipeline where the air outlet end is located, one end of the first rotating shaft (2) penetrates through the L-shaped pipe (1) and is fixedly connected with an impeller (3), the other end of the first rotating shaft (2) penetrates through the L-shaped pipe (1) and is fixedly connected with a first helical gear (4), and the impeller (3) drives the first helical gear (4) to rotate through the first rotating shaft (2); a second cylinder (5), a first cylinder (6), a cylinder (7) and an active carbon adsorption device (8) are sequentially arranged in the pipeline where the air inlet end is located from the air inlet end to the inside; the second cylinder (5) is attached to the inner wall of the L-shaped pipe (1), a steel brush (51) is arranged in the second cylinder (5), and one end of the steel brush (51) is fixedly connected with the inner wall of the L-shaped pipe (1) through a first L-shaped rod (52); one end of the second cylinder (5) is fixedly connected with a first cylinder (6), a sliding groove (61) is formed between the outer wall of the first cylinder (6) and the inner wall of the L-shaped pipe (1), a first sliding block (62) is attached to the sliding groove (61) in a sliding mode, and the first sliding block (62) is fixedly connected with the outer wall of the first cylinder (6); a filter screen (63) is fixedly embedded in the first cylinder (6) along the cross section, and the side wall of the filter screen (63) is attached to the end part of the steel brush (51); a barrel body (7) is arranged on one side of the first barrel body (6), a second bevel gear (9) is fixedly connected to one end of the barrel body (7), a second sliding block (71) is attached to the barrel body (7) in a sliding mode, one end of the second sliding block (71) is fixedly connected with the second bevel gear (9) through a spring (72), a cross rod (73) is fixedly connected to the other end of the second sliding block (71), the cross rod (73) is connected with the barrel body (7) in a sliding mode, the other end of the cross rod (73) penetrates out of the barrel body (7), two Z-shaped rods (74) are symmetrically and fixedly connected to the outer side wall of the barrel body (7) through which the cross rod (73) penetrates out, and the other end of each Z-shaped rod (74) is fixedly connected with the inner wall of; a fourth helical gear (10) is further arranged on the barrel body (7), the fourth helical gear (10) is meshed with the second helical gear (9), one end of the fourth helical gear (10) is fixedly connected with a second rotating shaft (11), the top end of the second rotating shaft (11) penetrates through the L-shaped pipe (1) and is fixedly connected with a third helical gear (12), and the third helical gear (12) is meshed with the first helical gear (4); second helical gear (9) lateral wall fixedly connected with third rotation axis (13), the other end and the active carbon adsorption device (8) of third rotation axis (13) are connected, active carbon adsorption device (8) locate the position that is close to L type pipe department of bending, the pipe wall fixed connection of both sides and L type pipe (1) of active carbon adsorption device (8).

2. The apparatus for purifying industrial waste gas for environmental protection according to claim 1, wherein: the air inlet end of the air inlet pipe is characterized in that two second L-shaped rods (75) are symmetrically and fixedly connected to the inner side wall of the L-shaped pipe (1) where the air inlet end is located, a lug (76) is fixedly connected to the other end of each second L-shaped rod (75), a groove (64) is formed in the end portion of the first barrel (6) along the circumferential direction, and the lug (76) is inserted into the groove (64) and contacts with the groove (64).

3. The apparatus for purifying industrial waste gas for environmental protection according to claim 2, wherein: the activated carbon adsorption device (8) comprises a hole box (81), a feeding pipe (82), a discharging pipe (83) and activated carbon particles (84); the other end of the third rotating shaft (13) penetrates into the hole box (81), two limiting rings (85) are fixedly sleeved on the third rotating shaft (13), the two limiting rings (85) are respectively positioned on two sides of the hole box (81) and are attached to the side wall, and activated carbon particles (84) are filled in the hole box (81); the top surface of the hole box (81) is fixedly communicated with a feeding pipe (82), and the other end of the feeding pipe (82) penetrates through the L-shaped pipe (1) and is fixedly connected with the pipe wall of the L-shaped pipe; the bottom surface of the hole box (81) is fixedly connected with a discharge pipe (83), and the other end of the discharge pipe (83) penetrates through the L-shaped pipe (1) to be fixedly connected with the pipe wall of the L-shaped pipe.

4. The apparatus for purifying industrial waste gas for environmental protection according to claim 3, wherein: the end parts of the feeding pipe (82) and the discharging pipe (83) are fixedly connected with a cover body (86).

5. The apparatus for purifying industrial waste gas for environmental protection according to claim 1, wherein: fixed intercommunication has slag discharging pipe (14) on the pipe wall between second barrel (5) and L type pipe (1) inlet end, slag discharging pipe (14) bottom run through L type pipe (1) and fixed intercommunication has a collecting box (15), the fixed intercommunication of slag discharging pipe (14) lateral wall have connecting pipe (16), the other end and the L type pipe (1) intercommunication of connecting pipe (16), fixedly connected with valve (17) on slag discharging pipe (14) lateral wall of connecting pipe (16) and slag discharging pipe (14) interface below.

6. The apparatus for purifying industrial waste gas for environmental protection according to claim 5, wherein: the side wall of the collecting box (15) is hinged with a box door (151), and a sealing strip is arranged between the collecting box (15) and the box door (151).

7. The apparatus for purifying industrial waste gas for environmental protection according to claim 1, wherein: and sealing rings (18) are arranged at the joints of the first rotating shaft (2) and the second rotating shaft (11) and the L-shaped pipe (1), and the sealing rings (18) are attached to the pipe wall of the L-shaped pipe (1).

8. The apparatus for purifying industrial waste gas for environmental protection according to claim 1, wherein: the impeller (3) is positioned on the central axis of the pipeline where the air outlet end is positioned.