CN214345034U - Dust removal structure is handled to flue gas - Google Patents

Abstract

The application relates to a flue gas treatment dust removal structure, which comprises a box body, wherein a mounting plate for dividing the box body into a vacuum area and a dust removal area is arranged in the box body; the mounting panel and the box cooperation of sliding, seted up the access hole on the box with the corresponding one side of mounting panel direction of sliding, be provided with on the access hole and be used for the access hole confined access door. This application has the ann of making things convenient for the sack to tear open to be convenient for clear up the sack and the advantage of changing.

Description

Dust removal structure is handled to flue gas

Technical Field

The application relates to the technical field of smoke and dust processing, in particular to a smoke and dust processing and removing structure.

Background

At present, a large amount of garbage is inevitably generated in daily production and life of people, if the garbage cannot be effectively treated, the garbage can greatly occupy the living space of people, influence the living environment of people and even threaten the body health of people, so that more and more people pay attention to how to effectively treat the garbage; the traditional garbage disposal method comprises a burning method, a burying method and the like, but the garbage burning process can cause serious secondary pollution and also cause serious resource waste; burying the garbage can pollute water and soil resources.

The waste incineration power generation is popular with more and more people as a new waste treatment mode, the waste incineration power generation converts heat energy generated during waste incineration into electric energy for residents to use, so that resources are fully utilized, a large amount of smoke is generated during the waste incineration power generation, and the smoke in the waste combustion process needs to be treated in order to reduce the influence of the smoke on the environment; the flue gas treatment process comprises a plurality of procedures of temperature reduction, deacidification, drying and the like, wherein flue gas dust removal is one of the most important procedures of flue gas treatment, and is mainly used for removing solid dust particles in flue gas and reducing the influence of the dust particles on the surrounding environment.

In the related art, the flue gas treatment dust removal structure mainly comprises a box body, wherein a mounting plate is arranged in the box body, a dust removal unit is arranged on the mounting plate, the dust removal unit generally adopts a bag cage sleeved with a cloth bag, and air injection pipes are arranged above the cloth bag in one-to-one correspondence with the cloth bag; the flue gas with dust enters the box body and is filtered by the cloth bag, and the dust in the flue gas can be deposited on the outer surface of the cloth bag; after the sack was used for a long time, use compressed gas with the pulsed through the jet-propelled pipe insufflate in the sack, the sack takes place deformation, thereby the clearance to sack surface dust is accomplished to the dust on messenger's sack through inertial effect.

With respect to the related art in the above, the inventors consider that: the cloth bag may be damaged in the long-term use process, for example, the cloth bag may be damaged when the compressed gas is blown to the cloth bag; in addition, some fine dust may be adhered to the cloth bag, for example, when the dust has a certain humidity, some dust may be adhered to the surface of the cloth bag, and it is difficult to clean the adhered dust by blowing compressed gas alone; the factors in all the aspects are combined, the dust removal effect of the dust removal unit can be possibly influenced, the dust removal unit needs to be detached from the box body for cleaning or replacement, in the related technology, an access hole is generally only formed in the top of the box body, when the dust removal unit needs to be cleaned, a worker needs to climb to the top of the box body to detach the air injection pipes, and then the dust removal unit is lifted out from the access hole one by one; after the cleaning and replacement of the dust removal units are finished, the dust removal units are required to be inserted from the access holes one by one, and then the gas injection pipes are installed; the cleaning and replacement of the dust removal unit in the related art are time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

In order to dismantle in the ann of dust removal unit for the convenience to be convenient for clear up and change the dust removal unit, this application provides a dust removal structure is handled to flue gas.

The application provides a dust removal structure is handled to flue gas adopts following technical scheme:

a flue gas treatment dust removal structure comprises a box body, wherein a mounting plate for dividing the box body into a vacuum area and a dust removal area is arranged in the box body, a plurality of dust removal units are arranged on the mounting plate, and an exhaust fan communicated with the vacuum area is arranged outside the box body; the upper part of the dust removal unit is provided with air injection pipes corresponding to the dust removal unit one by one; the mounting panel and the box cooperation of sliding, seted up the access hole on the box with the corresponding one side of mounting panel direction of sliding, be provided with on the access hole and be used for the access hole confined access door.

By adopting the technical scheme, when the dust removing unit is damaged or dust adhered to the dust removing unit needs to be cleaned, the access door is opened firstly, and then the mounting plate is pulled towards the direction of the access opening so as to integrally pull the mounting plate and the dust removing units out of the box body, so that the integral disassembly of the dust removing units is completed; after the dust removal unit is cleaned or replaced, the mounting plate is pushed into the box body, so that the dust removal unit is mounted in the box body; when the dust removal unit is mounted and dismounted, the air injection pipe does not need to be mounted and dismounted at the same time, so that the strength is reduced; in addition, the workload of installing and dismounting the dust removal units one by one is reduced by installing and dismounting the whole dust removal unit. In conclusion, the dust removal unit is convenient to mount and dismount, and therefore the dust removal unit is convenient to clean and replace.

Optionally, be provided with the guiding groove of the straight line that extends towards the access hole direction on the inner wall of box, the mounting panel inlays to be located in the guiding groove and with guiding groove sliding fit.

By adopting the technical scheme, the guide groove can limit and guide the sliding of the mounting plate, so that the sliding stability of the guide groove is improved; the cooperation of guiding groove and mounting panel can improve mounting panel and box complex compactness simultaneously, improves the leakproofness between vacuum area and the dust removal district to improve dust removal effect.

Optionally, a sliding hole penetrating through the access door is formed in the access door, and a fixing piece is arranged in the sliding hole; the fixing piece wrapping block penetrates through the sliding hole and is a fixed rod in sliding fit with the sliding hole, the fixed block is arranged on the periphery of one end, away from the access hole, of the fixed rod in a protruding mode, and the clamping block is arranged on the periphery of one end, away from the fixed block, of the fixed rod in a protruding mode; a slot is arranged on the box body at a position corresponding to the sliding hole, a sliding chute communicated with the slot is arranged on the outer side of the slot, and the shape formed by the slot and the sliding chute is matched with the shape formed by the fixed rod and the clamping block; the bottom of the sliding groove is provided with a clamping groove communicated with the sliding groove and the slot; when the access door is fixed in access hole department, the joint piece is arranged in the draw-in groove.

By adopting the technical scheme, when the dust removal unit needs to be replaced or cleaned, the fixed rod is firstly rotated, and the fixed rod drives the clamping block to rotate to enter the sliding groove from the clamping groove; then the access door is pulled outwards, the fixing rod slides in the slot towards the direction deviating from the access opening, and the clamping block slides in the sliding groove towards the direction deviating from the access opening, so that the access door is disassembled; then the mounting plate is pulled out from the access hole to finish the integral disassembly of the plurality of dust removal units; after the dust removal unit is cleaned or replaced, the dust removal monocular is installed on the installation plate, then the installation plate is pushed into the access hole, then the access door is closed, the fixed rod is aligned with the slot, the clamping block is aligned with the chute and pressed inwards to be inserted, when the fixed rod is inserted into the bottom of the slot, the fixed rod is rotated, the clamping block rotates along with the fixed rod, the clamping block enters the slot from the chute, and the access door is kept stable at the access hole under the common limitation of the clamping block and the fixed block; through setting up the mounting, make things convenient for opening and shutting of access door to make things convenient for the change of dust removal unit to install and tear open.

Optionally, access door one side is articulated with the box access door is provided with the first groove of stepping down in the one side of access door orientation access hole, first groove of stepping down and the hole intercommunication that slides, and when the access door was opened, the joint piece was arranged in the first groove of stepping down.

By adopting the technical scheme, when the dust removal unit needs to be disassembled, the fixed rod is firstly rotated, and the fixed rod drives the clamping block to rotate to enter the sliding groove from the clamping groove; then the fixing rod is pulled outwards, the clamping block enters the first abdicating groove, and then the access door is opened by rotating the access door around the hinged point; when the dust removal unit is installed, the access door is rotated around a hinge point to seal the access hole, then the fixing rod is pushed inwards, the fixing rod extends out of the sliding hole and is inserted into the slot, the clamping block extends out of the first abdicating groove and is inserted into the sliding groove, then the clamping block is pressed inwards to be inserted, and when the fixing rod is inserted into the bottom of the slot, the fixing rod is rotated, and the clamping block rotates to enter the clamping groove from the sliding groove; the convenience of opening and closing the access door is further improved.

Optionally, be provided with the spring between access door and the fixed block, the elasticity direction of spring is parallel with the slip direction of dead lever, and the spring is in compression state all the time and when the spring reset the joint piece be located first groove of stepping down.

By adopting the technical scheme, when the dust removal unit needs to be disassembled, the fixed rod is firstly rotated, the fixed rod drives the clamping block to rotate, the clamping block enters the chute from the clamping groove, the fixed rod is pushed to move towards the direction departing from the slot under the action of the spring, the clamping block enters the first abdicating groove along with the clamping block, and then the access door is opened around the hinged point; when the access door is fixed, the fixing rod is pushed towards the inside of the slot, and the spring contracts under the action of the access door and the fixing block; through setting up the spring, further improve the convenience that the access door was opened.

Optionally, an arc-shaped abutting belt is arranged on one side, away from the access hole, of the access door along the screwing path of the fixing block, and the abutting belt is gradually far away from the access door from the head end to the tail end.

Through adopting above-mentioned technical scheme, at the in-process that rotates the dead lever, the joint piece rotates thereupon and changes over to the draw-in groove from the spout into, and meanwhile the fixed block is at the head end of supporting the tight area on supporting the tight area and is changeed to the end, distance between fixed block and the access door crescent, and the distance between joint piece and the fixed block is unchangeable, therefore the fixed block has the trend that promotes the access door towards the access door direction, makes access door and box support tightly to improve the leakproofness of access door, improve the dust removal effect.

Optionally, an annular hand wheel is fixedly connected to one end, deviating from the clamping block, of the fixing rod.

Through adopting above-mentioned technical scheme, conveniently rotate the dead lever.

Optionally, a yield edge is arranged on the periphery of the access opening, the access door is attached to the yield edge, and the slot is arranged on the yield edge.

Through adopting above-mentioned technical scheme, further improve access door and line body box complex compactness, improve the sealing performance of access door to improve dust collection efficiency.

Optionally, a plurality of mounting holes penetrating through the surface of the mounting plate are formed in the mounting plate, the dust removal unit is inserted into the mounting holes, a limiting ring with the outer diameter larger than that of the mounting hole is arranged at the upper end of the dust removal unit, a plurality of limiting blocks are arranged on the limiting ring in a protruding mode towards one surface of the mounting plate, limiting grooves are formed in the positions, corresponding to the limiting blocks, of the mounting plate, and the limiting blocks are matched with the limiting grooves and are embedded in the limiting grooves.

Through adopting above-mentioned technical scheme, through stopper and spacing groove gomphosis each other, can restrict the position of dust removal unit to improve the fastness of dust removal unit on the mounting panel.

Optionally, a rubber pad is arranged on the inner wall of the limiting groove.

Through adopting above-mentioned technical scheme, the in-process of stopper embedding spacing groove, elastic deformation takes place for the rubber pad, and the rubber pad supports tightly with the stopper elasticity to further improve the fastness of dust removal unit installation on the mounting panel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the maintenance opening and the maintenance door are arranged, so that the installation and the disassembly of the dust removal unit are facilitated, and the dust removal unit is convenient to clean and replace;

2. the maintenance door is convenient to open and close by arranging the fixing piece, so that the dust removal unit is convenient to replace, install and disassemble;

3. the convenience of opening the access door is further improved by arranging the spring;

4. through setting up the tight area of support, improve the leakproofness of access door, improve dust removal effect.

5. Through setting up stopper and spacing groove, improve the fastness of dust removal unit on the mounting panel.

Drawings

FIG. 1 is a schematic structural diagram of a flue gas treatment dust removal structure in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of the mounting plate and the box body matched in the embodiment of the application;

FIG. 3 is a schematic structural view of the dust removing unit and the mounting plate in the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a dust removing unit in the embodiment of the present application;

FIG. 5 is a schematic view of the structure of the fastener in the embodiment of the present application;

FIG. 6 is a schematic structural diagram of a slot, a chute and a slot in an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a first yielding slot in an embodiment of the present application;

fig. 8 is a schematic structural diagram of the fastening belt in the embodiment of the present application.

Description of reference numerals: 1. a box body; 10. a vacuum zone; 11. a dust removal area; 12. an access hole; 13. a guide groove; 14. a abdication edge; 140. a slot; 141. a chute; 142. a card slot; 15. a slag outlet; 150. a valve; 2. mounting a plate; 20. mounting holes; 21. a limiting groove; 22. a rubber pad; 3. a dust removal unit; 30. a bag cage; 300. a fixing ring; 301. erecting ribs; 302. an end cap; 303. a limiting ring; 304. a limiting block; 31. a cloth bag; 4. an exhaust fan; 5. an access door; 50. a sliding hole; 51. a first abdicating groove; 52. a second abdicating groove; 6. a soot cleaning assembly; 60. air bags; 61. a main air pipe; 62. a pulse electromagnetic valve; 63. a gas ejector tube; 630. a nozzle; 7. a fixing member; 70. fixing the rod; 700. a hand wheel; 71. a fixed block; 72. a clamping block; 73. a spring; 8. and tightly supporting the belt.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses dust removal structure is handled to flue gas. Referring to fig. 1 and 2, the dust removing structure for smoke dust treatment comprises a hollow box body 1, a mounting plate 2 is horizontally arranged in the box body 1, the box body 1 is divided into an upper vacuum area 10 and a dust removing area 11 located below the vacuum area 10 by the mounting plate 2, a plurality of dust removing units 3 are arranged on the mounting plate 2, and an exhaust fan 4 with an exhaust opening communicated with the vacuum area 10 in the box body 1 is arranged outside the box body 1.

Referring to fig. 2 and 3, an access hole 12 communicated with the cavity inside the box body 1 is formed in one surface of the box body 1, and an access door 5 for sealing the access hole 12 is matched on the access hole 12; two linear guide grooves 13 extending towards the direction of the access opening 12 are respectively formed in two inner side walls, adjacent to the access opening 12, of the box body 1, the two guide grooves 13 are symmetrically arranged, and the mounting plate 2 is embedded in the guide grooves 13 and is in sliding fit with the guide grooves 13; a plurality of mounting holes 20 penetrating through the surface of the mounting plate 2 are formed in the mounting plate 2, and the dust removal unit 3 is inserted into the mounting holes 20.

Referring to fig. 3 and 4, the dust removing unit 3 includes a bag cage 30 and a cloth bag 31; the bag cage 30 comprises a plurality of fixing rings 300 which are coaxially arranged and a plurality of vertical ribs 301 which are parallel to the axial direction of the fixing rings 300 and are arranged along the circumferential direction of the fixing rings 300, the plurality of vertical ribs 301 are fixedly connected with the circumferential surfaces of the plurality of fixing rings 300 and can be fixed in a welding mode, and the vertical ribs 301 and the fixing rings 300 jointly form a tubular framework of the dust removal unit 3; the cloth bag 31 is sleeved on the bag cage 30 and is fixedly connected with the bag cage 30; the upper end of dust removal unit 3 is located vacuum area 10, and dust removal unit 3 is located dust removal district 11 down part, is located the lower extreme rigid coupling of dust removal unit 3 inside part of dust removal district 11 and is used for carrying out confined end cover 302 to bag cage 30 terminal surface opening, is provided with spacing ring 303 at the upper end of dust removal unit 3 and solid fixed ring 300 coaxial line, spacing ring 303 with erect muscle 301 fixed connection and with mounting panel 2 towards the one side laminating of vacuum area 10.

In order to improve the connection stability of the dust removal unit 3 and the mounting plate 2, referring to fig. 3, a plurality of limiting blocks 304 are convexly arranged on one surface of the limiting ring 303 facing the mounting plate 2, the limiting blocks 304 and the limiting ring 303 can be integrally cast, a limiting groove 21 is arranged on the mounting plate 2 corresponding to the limiting ring 303, and the limiting blocks 304 are adapted to the limiting groove 21 and are embedded in the limiting groove 21; in order to further improve the stability of the dust removing unit 3 on the mounting plate 2, a rubber pad 22 is bonded to the side wall of the stopper groove 21.

In order to clean the dust deposited on the cloth bag 31, referring to fig. 2, a dust cleaning assembly 6 is arranged on the box body 1, the dust cleaning assembly 6 comprises an air bag 60 fixedly connected to the box body 1, a plurality of main air pipes 61 communicated with the air bag 60, a pulse electromagnetic valve 62 arranged between the air bag 60 and the main air pipes 61, and a plurality of air injection pipes 63 communicated with the main air pipes 61; the air bag 60 is filled with compressed air; one end of the main air pipe 61 is communicated with the air bag 60, and the part of the main air pipe 61 departing from the air bag 60 penetrates into the box body 1 and is positioned above the mounting plate 2; the air injection pipes 63 correspond to the dust removal units 3 one by one, one ends of the air injection pipes 63 are communicated with the main air pipe 61, and air injection ports correspond to the upper end openings of the dust removal units 3; a nozzle 630 is provided at the gas injection port of the gas injection pipe 63.

Referring to fig. 2, in order to facilitate the opening and closing of the access door 5 and thus the installation and removal of the dust removal unit 3, one side of the access door 5 is hinged with the box body 1, a abdicating edge 14 is arranged on the periphery of the access opening 12, and the access door 5 is attached to the abdicating edge 14; a sliding hole 50 penetrating through the access door 5 is formed in the access door 5; a fixing member 7 is provided in the slide hole 50.

Referring to fig. 5 and 6, the fixing member 7 includes a fixing rod 70 inserted into the sliding hole 50 and slidably engaged with the sliding hole 50, a fixing block 71 protrudingly disposed on an outer periphery of an end of the fixing rod 70 away from the access opening 12, and a clamping block 72 protrudingly disposed on an outer periphery of an end of the fixing rod 70 away from the fixing block 71; the fixing rod 70 is a cylindrical rod; the fixed block 71 and the clamping block 72 are fixedly connected with the fixed rod 70; a slot 140 adapted to the fixing rod 70 is formed in the abdicating edge 14 at a position corresponding to the sliding hole 50, a sliding groove 141 communicated with the slot 140 is formed in the outer side of the slot 140, and the shape formed by the arrangement of the slot 140 and the sliding groove 141 is adapted to the shape formed by the arrangement of the fixing rod 70 and the clamping block 72; a clamping groove 142 communicated with the sliding groove 141 and the slot 140 is formed at the bottom of the sliding groove 141, and the clamping groove 142 and the sliding groove 141 are arranged in a staggered manner; when the access door 5 is fixed at the access opening 12, the clamping block 72 is positioned in the clamping groove 142, and the access door 5 is kept stable at the access opening 12 under the common limitation of the clamping block 72 and the fixed block 71; in order to facilitate the screwing of the fixing rod 70, an annular hand wheel 700 is fixedly connected to one end of the fixing rod 70, which is far away from the clamping block 72;

referring to fig. 5 and 7, in order to improve the opening and closing fluency of the access door 5, a first abdicating groove 51 communicated with the sliding hole 50 is formed in the outer side of the sliding hole 50 on the side of the access door 5 facing the access opening 12, and the shape formed by the arrangement of the first abdicating groove 51 and the sliding hole 50 is matched with the shape formed by the arrangement of the fixed rod 70 and the clamping block 72; in order to further improve the smoothness of opening and closing the access door 5, a spring 73 is sleeved on the fixing rod 70, the spring 73 is always in a compression state, and two ends of the spring 73 are respectively abutted against the access door 5 and the fixing block 71.

Referring to fig. 8, in order to further improve the matching tightness of the access door 5 and the abdicating edge 14 and improve the sealing performance of the access door 5, a second abdicating groove 52 is arranged on the periphery of the sliding hole 50 on the side of the access door 5 away from the access opening 12, an arc-shaped abutting belt 8 is arranged in the second abdicating groove 52 along the screwing path of the fixing block 71, and the abutting belt 8 is gradually close to the notch of the second abdicating groove 52 from the head end to the tail end; when screwing the fixed rod 70, the fixed block 71 moves from the head end of the abutting belt 8 to the tail end of the abutting belt 8, the fixed block 71 gradually approaches the notch of the abdicating groove to drive the clamping block 72 to move towards the direction departing from the access opening 12, and the clamping block 72 and the fixed block 71 clamp the access door 5 together.

Referring to fig. 1, in order to clean the dust in the box 1, the bottom of the box 1 is funnel-shaped, a slag hole 15 is formed at the lowest point of the bottom of the box 1, and a valve 150 for sealing the slag hole 15 is matched on the slag hole 15.

The implementation principle of the flue gas dust removal purifier in the embodiment of the application is as follows: when the cloth bag 31 is damaged or dust is adhered to the cloth bag to affect the dust removal effect of the dust removal unit 3, firstly, the fixing rod 70 is rotated, the fixing rod 70 drives the clamping block 72 to rotate, the clamping block 72 enters the sliding groove 141 from the clamping groove 142, the fixing rod 70 is pushed to move towards the direction departing from the slot 140 under the action of the spring 73, the clamping block 72 enters the first abdicating groove 51 along with the clamping block, then the access door 5 is opened around a hinged point, the mounting plate 2 is pulled towards the access opening 12, the sliding of the mounting plate 2 can be limited and guided by the guide groove 13, the sliding stability of the guide groove 13 is improved, after the mounting plate 2 and the dust removal units 3 are integrally pulled out of the box body 1, the dust removal unit 3 with the damaged cloth bag 31 is detached from the mounting plate 2, the limiting ring 303 is pulled by hand, the limiting block 304 is pulled out of the limiting groove 21, and then the whole dust removal unit 3 is pulled out of the mounting hole 20, the cloth bag 31 is cleaned or replaced.

After the cloth bag 31 is cleaned or replaced, the limiting block 304 is enabled to correspond to the limiting groove 21, the dust removal unit 3 is inserted into the mounting hole 20, then the limiting ring 303 is pressed, the rubber pad 22 is elastically deformed under the extrusion of the limiting block 304, the rubber pad 22 is elastically abutted against the limiting block 304, so that the stability of the dust removal unit 3 on the mounting plate 2 is improved, then the mounting plate 2 is inserted into the guide groove 13 and then pushed into the box body 1 to complete the installation of the dust removal unit 3 in the box body 1, the access door 5 is rotated around a hinge point to seal the access opening 12, then the fixing rod 70 is pushed inwards, the fixing rod 70 extends out of the sliding hole 50 and is inserted into the slot 140, the clamping block 72 extends out of the first abdicating groove 51 and is inserted into the sliding groove 141, then the fixing rod 70 is pressed inwards, when the fixing rod 70 is inserted into the bottom of the slot 140, the fixing rod 70 is rotated, and then the clamping block 72 enters the clamping groove 142 from the sliding groove 141, meanwhile, the fixed block 71 rotates from the head end to the tail end of the abutting belt 8 on the abutting belt 8, the distance between the fixed block 71 and the access door 5 is gradually increased, and the distance between the clamping block 72 and the fixed block 71 is unchanged, so that the fixed block 71 has the tendency of pushing the access door 5 towards the direction of the access opening 12, the access door 5 is abutted against the box body 1, and the sealing performance of the access door 5 and the abdicating edge 14 is further improved; in conclusion, the installation and the disassembly of the dust removal unit 3 are convenient, so that the dust removal unit 3 is convenient to clean and replace

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A flue gas treatment dust removal structure comprises a box body (1), wherein a mounting plate (2) used for dividing the box body (1) into a vacuum area (10) and a dust removal area (11) is arranged in the box body (1), a plurality of dust removal units (3) are arranged on the mounting plate (2), and an exhaust fan (4) with an exhaust opening communicated with the vacuum area (10) is arranged outside the box body (1); the air injection pipes (63) are arranged above the dust removal unit (3) and correspond to the dust removal unit (3) one by one; the method is characterized in that: mounting panel (2) and box (1) cooperation of sliding, seted up access hole (12) on box (1) with mounting panel (2) corresponding one side of direction of sliding, be provided with on access hole (12) and be used for access hole (12) confined access door (5).

2. The flue gas treatment dust removal structure of claim 1, wherein: the inner wall of the box body (1) is provided with a linear guide groove (13) extending towards the direction of the access hole (12), and the mounting plate (2) is embedded in the guide groove (13) and is in sliding fit with the guide groove (13).

3. The flue gas treatment dust removal structure of claim 2, wherein: a sliding hole (50) penetrating through the access door (5) is formed in the access door (5), and a fixing piece (7) is arranged in the sliding hole (50); the fixing piece (7) comprises a fixing rod (70) which is arranged in the sliding hole (50) in a penetrating mode and is in sliding fit with the sliding hole (50), a fixing block (71) which is arranged on the periphery of one end, away from the access hole (12), of the fixing rod (70) in a protruding mode, and a clamping block (72) which is arranged on the periphery of one end, away from the fixing block (71), of the fixing rod (70) in a protruding mode; a slot (140) is arranged on the box body (1) at a position corresponding to the sliding hole (50), a sliding groove (141) communicated with the slot (140) is arranged on the outer side of the slot (140), and the shape formed by the arrangement of the slot (140) and the sliding groove (141) is matched with the shape formed by the arrangement of the fixed rod (70) and the clamping block (72); a clamping groove (142) communicated with the sliding groove (141) and the slot (140) is formed at the bottom of the sliding groove (141); when the access door (5) is fixed at the access opening (12), the clamping block (72) is positioned in the clamping groove (142).

4. The flue gas treatment dust removal structure of claim 3, wherein: access door (5) one side is articulated with box (1) access door (5) are provided with first groove of stepping down (51) on the one side of access hole (12), first groove of stepping down (51) and slide opening (50) intercommunication, and when access door (5) were opened, joint piece (72) were located first groove of stepping down (51).

5. The flue gas treatment dust removal structure of claim 4, wherein: be provided with spring (73) between access door (5) and fixed block (71), the elasticity direction of spring (73) is parallel with the glide direction of dead lever (70), and spring (73) are in compression state all the time and when spring (73) reset joint piece (72) are located first groove of stepping down (51).

6. The flue gas treatment dust removal structure according to claim 3 or 5, wherein: the one side that access door (5) deviate from access hole (12) is provided with curved tight area (8) of supporting along the route of twisting of fixed block (71), supports tight area (8) and keeps away from access door (5) from head end to tail end gradually.

7. The flue gas treatment dust removal structure of claim 6, wherein: an annular hand wheel (700) is fixedly connected to one end of the fixing rod (70) deviating from the clamping block (72).

8. The flue gas treatment dust removal structure of claim 3, wherein: the periphery of the access hole (12) is provided with a yielding edge (14), the access door (5) is attached to the yielding edge (14), and the slot (140) is arranged on the yielding edge (14).

9. The flue gas treatment dust removal structure of claim 1, wherein: set up a plurality of mounting holes (20) that pierce through mounting panel (2) face on mounting panel (2), dust removal unit (3) are pegged graft in mounting hole (20) dust removal unit (3) upper end sets up spacing ring (303) that the external diameter is greater than mounting hole (20) spacing ring (303) are provided with a plurality of stopper (304) towards the one side protrusion of mounting panel (2) the position corresponding with stopper (304) on mounting panel (2) is provided with spacing groove (21), stopper (304) and spacing groove (21) adaptation just inlay and locate in spacing groove (21).

10. The flue gas treatment dust removal structure of claim 9, wherein: and a rubber pad (22) is arranged on the inner wall of the limiting groove (21).

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