CN216986811U

CN216986811U - Exhaust treatment device for environmental engineering

Info

Publication number: CN216986811U
Application number: CN202220860378.9U
Authority: CN
Inventors: 孟霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-19
Anticipated expiration: 2032-04-14

Abstract

The utility model provides a waste gas treatment device for environmental engineering, and relates to the technical field of waste gas treatment. The exhaust treatment device for environmental engineering includes: the treatment box is internally and rotatably connected with a filter screen; the cleaning mechanism is connected in the treatment box; the cleaning mechanism comprises an electromagnet, the inside of the treatment box is fixedly connected with the electromagnet, the electromagnet is elastically connected with an installation plate through a plurality of pressure springs, and the outer surface of the installation plate is provided with a magnet which is arranged in alignment with the electromagnet; the outer surface cover of the mounting plate is provided with a cleaning brush for cleaning the filter screen; the outer surface of the processing box is provided with a proximity switch for controlling an electromagnet; the driving mechanism is connected with the treatment box and comprises a rotating shaft, and the filter screen is fixedly connected with the rotating shaft which rotates coaxially. The waste gas treatment device for environmental engineering provided by the utility model has the advantage of self-cleaning.

Description

Exhaust treatment device for environmental engineering

Technical Field

The utility model relates to the field of waste gas treatment technology, in particular to a waste gas treatment device for environmental engineering.

Background

Environmental engineering is a scientific technology for researching and working on preventing and controlling environmental pollution and improving environmental quality. Environmental engineering is related to ecology in biology, environmental hygiene and environmental medicine in medicine, and environmental physics and environmental chemistry.

When handling waste gas in environmental engineering, generally adopt the filter screen to carry out crude processing to waste gas, current exhaust treatment device for environmental engineering is when using, and its filter screen does not have the function of automatically cleaning when using for the filter screen takes place to block up easily, thereby influences the treatment effect to waste gas.

Therefore, there is a need to provide a new exhaust gas treatment device for environmental engineering to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a waste gas treatment device with a self-cleaning function for environmental engineering.

The embodiment of the utility model is realized by the following steps:

the embodiment of the application provides an exhaust treatment device for environmental engineering includes: the treatment box is rotationally connected with a filter screen; the cleaning mechanism is connected in the treatment box; the cleaning mechanism comprises an electromagnet, the inside of the treatment box is fixedly connected with the electromagnet, the electromagnet is elastically connected with an installation plate through a plurality of pressure springs, and the outer surface of the installation plate is provided with a magnet which is arranged in alignment with the electromagnet; the outer surface cover of the mounting plate is provided with a cleaning brush for cleaning the filter screen; the outer surface of the processing box is provided with a proximity switch for controlling an electromagnet; the driving mechanism is connected with the treatment box and comprises a rotating shaft, the filter screen is fixedly connected with the rotating shaft which coaxially rotates, and one end of the rotating shaft, far away from the filter screen, is fixedly connected with a worm wheel which coaxially rotates; the upper surface of the treatment box is provided with an electric motor, the output end of the electric motor is connected with one end of a worm through a coupler, and the other end of the worm penetrates through the treatment box and is rotationally connected with the treatment box; the section of the worm positioned in the treatment box is meshed with the worm wheel; the outer surface of the worm is fixedly connected with a coaxially rotating driving wheel which is positioned outside the treatment box; the outer surface of the processing box is rotatably connected with a driven wheel, the driven wheel is meshed with the driving wheel through a belt, and a rotating plate used for triggering the proximity switch is fixedly connected to the outer surface of the driven wheel.

Preferably, the cleaning mechanism further comprises a knocking assembly, the knocking assembly is elastically connected with the mounting plate, and knocking of the filter screen is achieved through the knocking assembly.

Preferably, the knocking assembly comprises a fixing plate, a fixing plate is fixedly connected to the side face of the mounting plate, a side plate is elastically connected to the fixing plate through a spring, and a plurality of knocking rods are fixedly connected to the side plate opposite to the filter screen.

Preferably, strike the subassembly and still include the gag lever post, curb plate fixedly connected with gag lever post, the gag lever post run through the fixed plate and with fixed plate sliding connection.

Preferably, the driving mechanism further comprises a bearing seat, and the inner wall of the treatment box is fixedly connected with the bearing seat; the rotating shaft penetrates through the bearing seat and is rotatably connected with the bearing seat.

Preferably, the diameter ratio of the driven wheel to the driving wheel is 3-5: 1.

preferably, the treatment tank is connected to a waste collection mechanism in communication therewith, the waste collection mechanism being located directly beneath the cleaning brush.

Preferably, the waste collection mechanism comprises a waste collection box, the lower surface of the treatment box is fixedly connected with the waste collection box communicated with the treatment box, the waste collection box is located under the cleaning brush, the lower surface of the waste collection box is provided with an opening, and the opening is provided with a movable door.

Preferably, the waste collecting mechanism further comprises a negative pressure pump, the negative pressure pump is mounted on the outer surface of the treatment box, an air suction port of the negative pressure pump is connected with one end of the connecting pipe, the other end of the connecting pipe is communicated with the waste collecting box, and a separation net is mounted at the joint of the connecting pipe and the waste collecting box.

Preferably, a plurality of support legs are mounted to the lower surface of the treatment tank.

Compared with the related art, the waste gas treatment device for environmental engineering provided by the utility model has the following beneficial effects:

1. according to the utility model, through the rotation of the filter screen, the full contact between the filter screen and the gas is ensured, so that the treatment effect of multiple pairs of waste gas is improved, the single contact position between the filter screen and the waste gas is avoided, and the service life of the filter screen is prolonged;

2. the cleaning brush is used for cleaning the filter screen and removing impurities on the windward side of the filter screen, so that the waste gas filtering effect of the filter screen is ensured, the use of the device is facilitated, and the device has a self-cleaning function;

3. according to the utility model, the filter screen is knocked by the knocking rod, so that the residue of waste on the filter screen is reduced, and the cleaning effect of the filter screen is improved;

4. when the waste collection and treatment device is used, waste cleaned on the filter screen enters the waste collection box, and the waste in the waste collection box can be cleaned by opening the movable door, so that the waste is beneficial to subsequent treatment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of an exhaust gas treatment device for environmental engineering according to a preferred embodiment of the present invention;

FIG. 2 is a schematic cross-sectional structural view of the exhaust gas treatment device for environmental engineering shown in FIG. 1;

FIG. 3 is a schematic view of the waste collection mechanism of FIG. 2;

FIG. 4 is a schematic structural view of the drive mechanism shown in FIG. 2;

FIG. 5 is a schematic structural view of the cleaning mechanism shown in FIG. 2;

FIG. 6 is a schematic view of the rapping assembly in the cleaning mechanism shown in FIG. 5.

The reference numbers in the figures: 1. a treatment tank; 2. supporting legs; 3. a waste collection mechanism; 31. a negative pressure pump; 32. a connecting pipe; 33. a movable door; 34. a waste collection tank; 4. a drive mechanism; 41. a driving wheel; 42. a worm; 43. a worm gear; 44. an electric motor; 45. a belt; 46. a driven wheel; 47. a rotating plate; 48. a bearing seat; 49. a rotating shaft; 5. a proximity switch; 6. a cleaning mechanism; 61. mounting a plate; 62. a cleaning brush; 63. compressing the spring; 64. a magnet; 65. an electromagnet; 66. a knocking component; 661. a tapping rod; 662. a spring; 663. a limiting rod; 664. a side plate; 665. a fixing plate; 7. and (4) a filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be broadly construed and interpreted as including, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Examples

Referring to fig. 1 to 6, an exhaust gas treatment device for environmental engineering includes: the device comprises a treatment box 1, wherein a filter screen 7 is rotatably connected in the treatment box 1; the cleaning mechanism 6, the said cleaning mechanism 6 is connected to treating the box 1; the proximity switch 5 is arranged on the outer surface of the treatment box 1, and the proximity switch 5 is used for controlling an electromagnet 65; and the driving mechanism 4 is connected with the treatment box 1.

The following description is required: the driving mechanism 4 drives the filter screen 7 to rotate, and the filter screen 7 is rotated to ensure that the filter screen 7 is fully contacted with gas, so that the treatment effect of multiple pairs of waste gas is improved, the single contact position of the filter screen 7 and the waste gas is avoided, and the service life of the filter screen 7 is prolonged;

it is also stated that: make clearance mechanism can carry out comprehensive clearance to filter screen 7 through the rotation of filter screen 7, guarantee the filter effect of filter screen 7 to waste gas.

Referring to fig. 1, 2 and 4, the driving mechanism 4 includes a rotating shaft 49, the filter screen 7 is fixedly connected with the rotating shaft 49 which coaxially rotates, and one end of the rotating shaft 49 far away from the filter screen 7 is fixedly connected with the worm wheel 43 which coaxially rotates; the upper surface of the treatment box 1 is provided with a motor 44, the output end of the motor 44 is connected with one end of a worm 42 through a coupler, and the other end of the worm 42 penetrates through the treatment box 1 and is rotationally connected with the treatment box 1; the section of the worm 42 in the treatment box 1 is meshed with the worm wheel 43; the outer surface of the worm 42 is fixedly connected with a coaxially rotating driving wheel 41, and the driving wheel 41 is positioned outside the treatment box 1; the outer surface of the treatment box 1 is rotatably connected with a driven wheel 46, the driven wheel 46 is meshed with the driving wheel 41 through a belt 45, and the outer surface of the driven wheel 46 is fixedly connected with a rotating plate 47 for triggering the proximity switch 5.

The following description is required: the worm 42 drives the worm wheel 43 to rotate through the work of the motor 44, so that the filter screen 7 is driven to rotate, and the filter screen 7 is ensured to be fully contacted with gas through the rotation of the filter screen 7, so that the treatment effect of multiple pairs of waste gas is improved, the single contact position of the filter screen 7 and the waste gas is avoided, and the service life of the filter screen 7 is prolonged;

it is also necessary to state: when the worm 42 rotates, the driving wheel 41 is driven to synchronously rotate, the driven wheel 46 rotates under the action of the belt 45, so that the rotating plate 47 is driven to rotate, when the rotating plate 47 rotates to be right below the proximity switch 5, the proximity switch 5 is triggered through the rotating plate 47, so that the proximity switch 5 enables the electromagnet 65 to be electrified, and when the rotating plate 47 deviates from the proximity switch 5, the electromagnet 65 is powered off; the proximity switch 5 is intermittently activated by the rotation of the driven pulley 46 causing the rotating plate 47.

Referring to fig. 2 and 5, the cleaning mechanism 6 includes an electromagnet 65, the electromagnet 65 is fixedly connected in the processing box 1, the electromagnet 65 is elastically connected with the mounting plate 61 through a plurality of compression springs 63, a magnet 64 is mounted on the outer surface of the mounting plate 61, and the magnet 64 is aligned with the electromagnet 65; the outer surface of the mounting plate 61 is covered with a cleaning brush 62 for cleaning the filter screen 7.

The following description is required: when the electromagnet 65 is powered off, the cleaning brush 62 is in close contact with the windward side of the filter screen 7 under the action of the pressure spring 63, the filter screen 7 is cleaned through the cleaning brush 62, impurities on the windward side of the filter screen 7 are removed, the filtering effect of the filter screen 7 on waste gas is ensured, and the device is favorable for use; when the electromagnet 65 is electrified, the electromagnet 65 is electrified to generate magnetism, and magnetic attraction is generated between the electromagnet 65 and the magnet 64, under the action of the magnetic attraction, the mounting plate 61 moves towards the electromagnet 65, so that a gap is generated between the cleaning brush 62 and the filter screen 7, the falling of waste materials on the cleaning brush 62 is facilitated, and the cleaning effect on the filter screen 7 is ensured; when the proximity switch 5 is turned off, the cleaning brush 62 can be tightly contacted with the filter screen 7, so that the filter screen 7 can be cleaned completely, and dead angles generated by the filter screen 7 can be avoided.

Referring to fig. 2, 5 and 6, the cleaning mechanism 6 further comprises a knocking assembly 66, wherein the knocking assembly 66 is elastically connected with the mounting plate 61, and the filter screen 7 is knocked by the knocking assembly 66.

Need to explain: knocking of the filter screen 7 is achieved by the knocking assembly 66, so that the residue of the waste on the filter screen 7 is reduced, thereby improving the cleaning effect of the filter screen 7.

Referring to fig. 6, the knocking assembly 66 includes a fixing plate 665, the fixing plate 665 is fixedly connected to a side surface of the mounting plate 61, the fixing plate 665 is elastically connected to a side plate 664 through a spring 662, and a plurality of knocking bars 661 are fixedly connected to a surface of the side plate 664 opposite to the filter screen 7.

Need to explain: when mounting panel 61 moves, drive fixed plate 665 simultaneous movement, thereby transfer and drive curb plate 664 and strike pole 661 and also move, when mounting panel 61 deviates from filter screen 7 motion, strike pole 661 also deviates from filter screen 7 motion this moment, and finally strike pole 661 no longer contacts with filter screen 7, when mounting panel 61 moves towards filter screen 7, make strike pole 661 move towards filter screen 7, and finally realize the striking to filter screen 7, and then reduce the residue of rubbish on the filter screen 7, thereby improve the clearance effect to filter screen 7.

Referring to fig. 6, the knocking assembly 66 further includes a limiting rod 663, the side plate 664 is fixedly connected with the limiting rod 663, and the limiting rod 663 penetrates through the fixing plate 665 and is slidably connected with the fixing plate 665.

The following description is required: the degree of freedom of the side plate 664 can be limited by the limiting rod 663, so that the movement of the side plate 664 is more stable.

Referring to fig. 1, 2 and 4, the driving mechanism 4 further comprises a bearing seat 48, and the bearing seat 48 is fixedly connected to the inner wall of the treatment tank 1; the rotating shaft 49 penetrates through the bearing seat 48 and is rotatably connected with the bearing seat 48.

The following description is required: the rotation of the rotation shaft 49 is made smoother by the bearing housing 48.

Referring to fig. 4, the diameter ratio of the driven wheel 46 to the driving wheel 41 is 3-5: 1.

need to explain: because the diameter ratio of the driven wheel 46 to the driving wheel 41 is 3-5: 1, thereby ensuring that the transmission ratio of the driven wheel 46 to the driving wheel 41 is controlled to be 3-5: 1, and then avoid following driving wheel 46 slew velocity too fast, improve the interval that proximity switch 5 was triggered to guarantee the time of the contact of cleaning brush 62 and filter screen 7, be favorable to the clearance to filter screen 7.

Referring to fig. 1, 2 and 3, the treatment tank 1 is connected with a waste collection mechanism 3 which is communicated with the treatment tank 1, and the waste collection mechanism 3 is positioned right below the cleaning brush 62.

The following description is required: the waste collecting mechanism 3 can collect the waste such as dust cleaned on the filter screen 7, and is beneficial to the subsequent treatment of the waste.

Referring to fig. 3, the waste collection mechanism 3 includes a waste collection box 34, the waste collection box 34 is fixedly connected to the lower surface of the treatment box 1, the waste collection box 34 is located under the cleaning brush 62, and an opening is formed in the lower surface of the waste collection box 34, and a movable door 33 is installed at the opening.

Need to explain: the waste cleaned up on the filter screen 7 enters the waste collection tank 34, and the cleaning of the waste inside the waste collection tank 34 can be achieved by opening the movable door 33, thereby facilitating the subsequent processing of the waste.

Referring to fig. 3, the waste collection mechanism 3 further comprises a negative pressure pump 31, the negative pressure pump 31 is installed on the outer surface of the treatment tank 1, the suction port of the negative pressure pump 31 is connected with one end of a connecting pipe 32, the other end of the connecting pipe 32 is communicated with a waste collection tank 34, and a separation net is installed at the joint of the connecting pipe 32 and the waste collection tank 34.

Need to explain: through the work of the negative pressure pump 31, the opening at the upper end of the waste collection box 34 can generate negative pressure, and under the guide of air flow, waste cleaned on the filter screen 7 can better enter the waste collection box 34, so that the device is favorable for use.

Referring to fig. 1, a plurality of support legs 2 are installed to the lower surface of the treatment tank 1.

The following description is required: a plurality of supporting legs 2 can play the effect of support, realize placing of whole device.

The working principle of the waste gas treatment device for environmental engineering provided by the utility model is as follows:

according to the utility model, the worm 42 drives the worm wheel 43 to rotate through the work of the motor 44, so that the filter screen 7 is driven to rotate, and the filter screen 7 is ensured to be fully contacted with gas through the rotation of the filter screen 7, so that the treatment effect of multiple pairs of waste gas is improved, the single contact position of the filter screen 7 and the waste gas is avoided, and the service life of the filter screen 7 is prolonged;

when the worm 42 rotates, the driving wheel 41 is driven to synchronously rotate, the driven wheel 46 rotates under the action of the belt 45, so that the rotating plate 47 is driven to rotate, when the rotating plate 47 rotates to a position right below the proximity switch 5, the proximity switch 5 is triggered through the rotating plate 47, so that the electromagnet 65 is powered on by the proximity switch 5, and when the rotating plate 47 deviates from the proximity switch 5, the electromagnet 65 is powered off; the rotating plate 47 intermittently activates the proximity switch 5 by the rotation of the driven wheel 46;

when the electromagnet 65 is powered off, the cleaning brush 62 is in close contact with the windward side of the filter screen 7 under the action of the pressure spring 63, the filter screen 7 is cleaned through the cleaning brush 62, impurities on the windward side of the filter screen 7 are removed, the filtering effect of the filter screen 7 on waste gas is ensured, and the device is favorable for use; when electro-magnet 65 circular telegram, electro-magnet 65 circular telegram produces magnetism to with produce magnetic attraction between magnet 64, under the effect of magnetic attraction, make mounting panel 61 move towards electro-magnet 65, thereby make and produce the gap between cleaning brush 62 and the filter screen 7, be favorable to the drop of the waste material on the cleaning brush 62, guarantee the clearance effect to filter screen 7.

The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An exhaust treatment device for environmental engineering, comprising:

the device comprises a treatment box (1), wherein a filter screen (7) is rotationally connected in the treatment box (1);

the cleaning mechanism (6), the said cleaning mechanism (6) is connected to treating the case (1); the cleaning mechanism (6) comprises an electromagnet (65), the electromagnet (65) is fixedly connected in the treatment box (1), the electromagnet (65) is elastically connected with a mounting plate (61) through a plurality of pressure springs (63), a magnet (64) is mounted on the outer surface of the mounting plate (61), and the magnet (64) and the electromagnet (65) are arranged in an aligned mode; a cleaning brush (62) used for cleaning the filter screen (7) is mounted on the outer surface of the mounting plate (61) in a covering manner;

the outer surface of the processing box (1) is provided with a proximity switch (5) for controlling an electromagnet (65);

the driving mechanism (4) is connected with the treatment box (1), the driving mechanism (4) comprises a rotating shaft (49), the filter screen (7) is fixedly connected with the rotating shaft (49) which coaxially rotates, and one end, far away from the filter screen (7), of the rotating shaft (49) is fixedly connected with a worm wheel (43) which coaxially rotates; the upper surface of the treatment box (1) is provided with a motor (44), the output end of the motor (44) is connected with one end of a worm (42) through a coupler, and the other end of the worm (42) penetrates through the treatment box (1) and is rotationally connected with the treatment box (1); the section of the worm (42) positioned in the treatment box (1) is meshed with the worm wheel (43); the outer surface of the worm (42) is fixedly connected with a driving wheel (41) which coaxially rotates, and the driving wheel (41) is positioned outside the treatment box (1); the surface of handling case (1) rotates and is connected with from driving wheel (46), follows driving wheel (46) and passes through belt (45) and action wheel (41) intermeshing, and the fixed surface of following driving wheel (46) is connected with rotor plate (47) that are used for triggering proximity switch (5).

2. The exhaust-gas treatment device for environmental engineering according to claim 1, characterized in that, clearance mechanism (6) still includes strikes subassembly (66), strike subassembly (66) and mounting panel (61) elastic connection, realize the striking to filter screen (7) through striking subassembly (66).

3. The exhaust gas treatment device for environmental engineering according to claim 2, wherein the knocking assembly (66) includes a fixing plate (665), the fixing plate (665) is fixedly connected to a side surface of the mounting plate (61), the fixing plate (665) is elastically connected to a side plate (664) through a spring (662), and a plurality of knocking rods (661) are fixedly connected to a surface of the side plate (664) opposite to the filter screen (7).

4. The exhaust gas treatment device for the environmental engineering according to claim 3, wherein the knocking assembly (66) further comprises a limiting rod (663), the side plate (664) is fixedly connected with the limiting rod (663), and the limiting rod (663) penetrates through the fixing plate (665) and is connected with the fixing plate (665) in a sliding manner.

5. The waste gas treatment device for environmental engineering according to claim 1, wherein the driving mechanism (4) further comprises a bearing seat (48), and the bearing seat (48) is fixedly connected to the inner wall of the treatment box (1); the rotating shaft (49) penetrates through the bearing seat (48) and is in rotating connection with the bearing seat (48).

6. The exhaust gas treatment device for environmental engineering according to claim 5, wherein the diameter ratio of the driven wheel (46) to the driving wheel (41) is 3-5: 1.

7. an exhaust-gas treatment device for environmental engineering according to any one of claims 1 to 6, characterized in that the treatment tank (1) is connected with a waste-collecting mechanism (3) communicating therewith, and the waste-collecting mechanism (3) is located directly below the cleaning brush (62).

8. The waste gas treatment device for environmental engineering according to claim 7, wherein the waste collection mechanism (3) comprises a waste collection box (34), the waste collection box (34) is fixedly connected with the lower surface of the treatment box (1) and is communicated with the treatment box, the waste collection box (34) is positioned under the cleaning brush (62), the lower surface of the waste collection box (34) is provided with an opening, and the opening is provided with a movable door (33).

9. The waste gas treatment device for environmental engineering according to claim 8, wherein the waste collection mechanism (3) further comprises a negative pressure pump (31), the negative pressure pump (31) is installed on the outer surface of the treatment tank (1), the air suction port of the negative pressure pump (31) is connected with one end of a connecting pipe (32), the other end of the connecting pipe (32) is communicated with the waste collection tank (34), and a separation net is installed at the connection position of the connecting pipe (32) and the waste collection tank (34).

10. The exhaust gas treatment device for environmental engineering according to claim 1, wherein a plurality of support legs (2) are installed on the lower surface of the treatment tank (1).