CN217662141U - Flue gas separation and purification device for boiler denitration - Google Patents

Abstract

The utility model discloses a flue gas separation and purification device for boiler denitration, which belongs to the technical field of boiler flue gas treatment, and aims at solving the problems that when solid particle impurities in flue gas are removed, filter holes on the surface of a dust filter plate are easily blocked by the particle impurities, the work efficiency is reduced, and a dust hopper needs to be manually cleaned at regular time, the use is inconvenient, and the cleaning efficiency is poor; the utility model discloses a clean the mechanism and clear up the side of straining dirt board an and straining dirt board b to the filtration pore on straining dirt board an and straining dirt board b is cleared up and is led to, stabilizes the long-time higher work efficiency of straining dirt board an and straining dirt board b, releases repeatedly through pushing away the dust impurity that dirt mechanism will collect the box in, avoids collecting the dust impurity in the box and piles up, saves the manual work and carries out the operation of regularly clearing up, uses manpower sparingly.

Description

Flue gas separation and purification device for boiler denitration

Technical Field

The utility model belongs to the technical field of the boiler flue gas is handled, concretely relates to flue gas separation purifier for boiler denitration.

Background

During the working process of the boiler, flue gas can be generated due to insufficient combustion, dust contained in the flue gas, including fly ash, carbon black, sulfur and nitrogen oxides, are substances polluting the atmosphere, and after the flue gas containing impurities enters the SCR reactor, dust impurities such as carbon black particles in the flue gas can be attached to the surface of the catalyst, so that the catalytic efficiency of the catalyst is reduced, and the denitration reaction is influenced.

Dust particle impurity such as carbon black granule that contains need detach the flue gas before getting into the denitration reactor at the flue gas, make things convenient for processing on next step, generally be provided with among the current purifier and strain the dust board and carry out preliminary purification treatment to a large amount of solid particle impurity in the flue gas, have following problem in purification process:

(1) after a dust filter plate in the device is used for a long time, a large amount of particle impurities are easy to accumulate on the surface of the dust filter plate, so that filter holes are blocked, and the dust filtering efficiency is reduced.

(2) Purifier can store up a large amount of dusts in using a period back ash bucket, and the ash bucket needs artifical clearance regularly, increases workman intensity of labour, and cleaning efficiency is relatively poor.

Therefore, need a boiler flue gas separation purifier for denitration, when solving and detach the solid particle impurity in the flue gas, the easy granule impurity that is blockked up of filtration pore on the dust filter plate surface reduces work efficiency and ash bucket and needs artifical timing clearance, uses inconvenient and the relatively poor problem of cleaning efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler is flue gas separation purifier for denitration to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flue gas separation purifier for boiler denitration, is including handling the case, the both ends of handling the case are fixed with intake pipe and the outlet duct rather than inside intercommunication respectively, the inside wall of handling the case is fixed with the dust filter b and the dust filter a that are close to the intake pipe, be provided with between dust filter a and the dust filter b and clean the mechanism, the top of handling the case is fixed with the output and cleans the servo motor an that the mechanism transmission is connected, the whereabouts mouth that is located between dust filter a and the dust filter b is seted up to the bottom of handling the case, the bottom lateral wall of handling the case is fixed with and is located the collection box under the whereabouts mouth, be provided with in the collection box and push away dirt mechanism, the lateral wall of handling the case is fixed with the output and pushes away the servo motor b that dirt mechanism transmission is connected.

What need explain in the scheme is that push away dirt mechanism include with servo motor b's the coaxial fixed gear of output, sliding connection has the slide bar on the one end lateral wall of collecting the box, be fixed with the rack of being connected with gear engagement on the slide bar side, the one end that the gear was kept away from to the slide bar is fixed with and collects box inner wall sliding fit's push pedal.

It is further worth explaining, clean the mechanism and include and handle case top lateral wall and bottom lateral wall and rotate the lead screw of being connected, the top and the output of servo motor a of lead screw are connected, the cooperation is connected with screw-nut on the lead screw side, be fixed with two brush boards that are the symmetric distribution on the screw-nut side, two the laminating of brush board and dust filter b and dust filter a side, the screw-nut side is fixed with two connecting rods that are the symmetric distribution, set up the guide way with connecting rod slip adaptation on the inside wall of processing case.

It should be further noted that two concave sockets which are symmetrically distributed are fixed on the inner side wall of the treatment box, the concave sockets are positioned on one side close to the air outlet pipe, and an activated carbon plate is inserted into the two concave sockets in a sliding manner.

In a preferred embodiment, an opening is arranged at one end of the collecting box far away from the gear, and a cover plate b is hinged to the opening end of the collecting box.

As a preferred embodiment, a cover plate a positioned right above the activated carbon plate is hinged on the side wall of the top end of the treatment box, a handle is fixed at the top end of the cover plate a, and a rubber sleeve is sleeved on the surface of the handle.

Compared with the prior art, the utility model provides a pair of flue gas separation purifier for boiler denitration includes following beneficial effect at least:

(1) The dust impurity in the box will be collected through the push pedal and releases repeatedly, conveniently concentrates the clearance, avoids collecting the dust impurity in the box and piles up, saves the manual work and carries out the operation of regularly clearing up, uses manpower sparingly, convenient to use.

(2) Clear up the side of straining dirt board an and straining dirt board b when reciprocating through the brush board to strain the filtration pore on dirt board an and the dirt board b and clear up, clean the accumulational dust impurity on dirt board an and the dirt board b side simultaneously, stabilize the long-time higher work efficiency of dirt board an and the dirt board b of straining, the dust impurity that is cleaned off falls into in the collection box through the whereabouts mouth.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a partial structural view of the handle of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a schematic view of a partial structure of the cleaning mechanism of the present invention;

fig. 6 is a schematic view of the local structure of the push plate of the present invention.

In the figure: 1. a dust pushing mechanism; 101. a slide bar; 102. a gear; 103. a rack; 104. pushing the plate; 2. a cleaning mechanism; 201. a brush plate; 202. a screw rod; 203. a feed screw nut; 204. a connecting rod; 205. a guide groove; 3. a treatment tank; 4. a cover plate a; 5. an air inlet pipe; 6. an air outlet pipe; 7. a servo motor a; 8. a collection box; 9. a cover plate b; 10. a servo motor b; 12. a dust filter plate a; 13. a dust filter b; 14. an activated carbon plate; 15. a female socket; 16. a handle.

Detailed Description

The present invention will be further described with reference to the following examples.

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings of the embodiments of the present invention to clearly and completely describe the technical solution of the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of the protection of the present invention based on the described embodiments of the present invention.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Please refer to fig. 1-6, the utility model provides a flue gas separation purifier for boiler denitration, including handling case 3, the both ends of handling case 3 are fixed with intake pipe 5 and outlet duct 6 rather than inside intercommunication respectively, the inside wall of handling case 3 is fixed with the dust filter b13 and the dust filter a12 that are close to intake pipe 5, be provided with between dust filter a12 and the dust filter b13 and clean mechanism 2, the top of handling case 3 is fixed with output and cleans the servo motor a7 that mechanism 2 transmission is connected, the whereabouts mouth that lies in between dust filter a12 and the dust filter b13 is seted up to the bottom of handling case 3, the bottom lateral wall of handling case 3 is fixed with the collection box 8 that lies in under the whereabouts mouth, be provided with in the collection box 8 and push away dirt mechanism 1, the lateral wall of handling case 3 is fixed with output and pushes away the servo motor b10 that dirt mechanism 1 transmission is connected.

As further shown in fig. 2, 4 and 6, it should be specifically described that the dust pushing mechanism 1 includes a gear 102 coaxially fixed with the output end of the servo motor b10, a sliding rod 101 is slidably connected to a side wall of one end of the collecting box 8, a rack 103 engaged with the gear 102 is fixed on a side surface of the sliding rod 101, and a pushing plate 104 slidably engaged with an inner side wall of the collecting box 8 is fixed at one end of the sliding rod 101 away from the gear 102;

the output of servo motor b10 drives gear 102 and rotates repeatedly, gear 102 and rack 103 cooperation drive slide bar 101 and carry out reciprocating motion, slide bar 101 drives push pedal 104 and reciprocates in collecting box 8, push pedal 104 will collect the dust impurity in the box 8 and release repeatedly, conveniently concentrate the clearance, the dust impurity of avoiding collecting in the box 8 is piled up, save the manual work and carry out the operation of regularly clearing up, use manpower sparingly, convenient to use.

Further as shown in fig. 5 and fig. 6, it is worth specifically explaining that the cleaning mechanism 2 includes a screw rod 202 rotatably connected to the top end side wall and the bottom end side wall of the processing box 3, the top end of the screw rod 202 is connected to the output end of the servo motor a7, a screw rod nut 203 is fittingly connected to the side surface of the screw rod 202, two brush plates 201 symmetrically distributed are fixed to the side surface of the screw rod nut 203, the two brush plates 201 are attached to the side surfaces of the dust filter plate b13 and the dust filter plate a12, two connecting rods 204 symmetrically distributed are fixed to the side surface of the screw rod nut 203, and a guide groove 205 slidably adapted to the connecting rods 204 is formed in the inner side wall of the processing box 3; the flue gas is introduced to a dust filter plate b13 and a dust filter plate a12 through an air inlet pipe 5, filter holes in the dust filter plate a12 are smaller than filter holes in the dust filter plate b13, the dust filter plate b13 and the dust filter plate a12 intercept solid particles with different sizes in the flue gas, the flue gas is purified, the sufficiency of cleaning and purifying the solid particles in the flue gas is effectively improved, the next-step treatment is facilitated, the servo motor a7 and the servo motor b10 are started to work simultaneously, the output end of the servo motor a7 drives the screw rod 202 to rotate in a reciprocating and circulating mode, the screw rod 202, the connecting rod 204 and the guide groove 205 are matched to drive the screw rod nut 203 to reciprocate, the screw rod nut 203 drives the brush plate 201 to reciprocate, the brush plate 201 cleans the side faces of the dust filter plate a12 and the dust filter plate b13 when reciprocating, the filter holes in the dust filter plate a12 and the dust filter plate b13 are cleaned, accumulated dust impurities on the side faces of the dust filter plate a12 and the dust filter plate b13 are cleaned, and the dust falling impurities are collected in a dust box 8 after long-time working.

The scheme has the following working processes: the flue gas is introduced to a dust filter plate b13 and a dust filter plate a12 through an air inlet pipe 5, filter holes in the dust filter plate a12 are smaller than filter holes in the dust filter plate b13, the dust filter plate b13 and the dust filter plate a12 intercept solid particles with different sizes in the flue gas, the flue gas is purified, so that the sufficiency of cleaning and purifying the solid particles in the flue gas is effectively improved, the next-step treatment is facilitated, the servo motor a7 and the servo motor b10 are started to work simultaneously, the output end of the servo motor a7 drives a screw rod 202 to rotate in a reciprocating and circulating mode, the screw rod 202, a connecting rod 204 and a guide groove 205 are matched to drive a screw rod nut 203 to reciprocate up and down, the screw rod nut 203 drives a brush plate 201 to reciprocate up and down, the side faces of the dust filter plate a12 and the dust filter plate b13 are cleaned when the brush plate 201 reciprocates, so that the filter holes in the dust filter plate a12 and the dust filter plate b13 are cleaned, impurities on the dust filter plate a12 and the side faces of the dust filter plate b13 are cleaned, the impurities in a gear box 104 and a reciprocating and a push a reciprocating push a push plate 102 to push a reciprocating rod 102 which drives a reciprocating rod 104 which drives a reciprocating and a reciprocating push rod 104 which collects impurities collecting box 8 to move.

According to the working process, the following steps are carried out: brush board 201 is cleared up the side of straining dirt board an 12 and straining dirt board b13 when reciprocating, thereby the filtration pore to straining on dirt board a12 and the straining dirt board b13 is cleared up, simultaneously clean the accumulational dust impurity on straining dirt board a12 and the straining dirt board b13 side, stabilize the longer higher work efficiency of straining dirt board an 12 and straining dirt board b13, push pedal 104 will collect the dust impurity in the box 8 and release repeatedly, conveniently concentrate the clearance, avoid collecting the dust impurity in the box 8 and pile up, save the manual operation of regularly clearing up, the use manpower is saved, high durability and convenient use.

Further as shown in fig. 5, it is worth specifically explaining that two symmetrically distributed concave sockets 15 are fixed on the inner side wall of the treatment tank 3, the concave sockets 15 are located at one side close to the air outlet pipe 6, and the two concave sockets 15 are inserted with the activated carbon plate 14 in a sliding manner; during specific work, the arranged activated carbon plate 14 further removes solid particles in the flue gas, and the degree of flue gas purification is improved.

As further shown in fig. 2, it is worth specifically describing that an opening is provided at an end of the collecting box 8 away from the gear 102, and a cover plate b9 is hinged to the opening end of the collecting box 8; during specific work, the push plate 104 pushes the cover plate b9 to be opened, dust is pushed out through the opening, and when the push plate 104 retracts, the cover plate b9 is arranged to seal the opening.

As further shown in fig. 1 and fig. 3, it is worth concretely explaining that a cover plate a4 located right above the activated carbon plate 14 is hinged on the side wall of the top end of the treatment box 3, a handle 16 is fixed on the top end of the cover plate a4, and a rubber sleeve is sleeved on the surface of the handle 16; in specific work, the cover plate a4 is detached from the top end of the treatment box 3 by pulling the handle 16, so that the activated carbon plate 14 is conveniently detached and replaced.

To sum up: the activated carbon plate 14 that sets up further clears away the solid particle in the flue gas, improves gas cleaning's degree, tears the apron a4 out from handling the case 3 top through pulling handle 16, conveniently tears activated carbon plate 14 out the change, and push pedal 104 promotes apron b9 and opens, and the dust is released through the opening, and when push pedal 104 retracted, the apron b9 of setting was sealed the opening.

The servo motor a7 and the servo motor b10 can be purchased in the market, and the servo motor a7 and the servo motor b10 are provided with power supplies, which belong to the mature technology in the field and are fully disclosed, so repeated description is not repeated in the specification.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art, and the use of the term "including" or "comprising" in the present application shall mean that the element or item preceding the term covers the element or item listed after the term and its equivalents, but does not exclude other elements or items, and the term "connected" or "connected" is not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. merely indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may be changed accordingly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a flue gas separation purifier for boiler denitration, is including handling case (3), its characterized in that, the both ends of handling case (3) are fixed with intake pipe (5) and outlet duct (6) rather than inside intercommunication respectively, the inside wall of handling case (3) is fixed with dust filter b (13) and dust filter a (12) that are close to intake pipe (5), be provided with between dust filter a (12) and dust filter b (13) and clean mechanism (2), the top of handling case (3) is fixed with output and cleans servo motor a (7) that mechanism (2) transmission is connected, the whereabouts mouth between dust filter a (12) and dust filter b (13) is seted up to the bottom of handling case (3), the bottom lateral wall of handling case (3) is fixed with collection box (8) that are located directly under the whereabouts mouth, be provided with in collection box (8) and push away dirt mechanism (1), the lateral wall of handling case (3) is fixed with the output and pushes away servo motor b (10) that dirt mechanism (1) transmission is connected.

2. The flue gas separation and purification device for denitration of a boiler, according to claim 1, wherein the dust pushing mechanism (1) comprises a gear (102) coaxially fixed with the output end of the servo motor b (10), a sliding rod (101) is slidably connected to the side wall of one end of the collection box (8), a rack (103) engaged with the gear (102) is fixed to the side surface of the sliding rod (101), and a pushing plate (104) slidably engaged with the inner side wall of the collection box (8) is fixed to one end, away from the gear (102), of the sliding rod (101).

3. The flue gas separation and purification device for denitration of the boiler, according to claim 2, wherein the cleaning mechanism (2) comprises a screw rod (202) rotatably connected with the top side wall and the bottom side wall of the treatment box (3), the top end of the screw rod (202) is connected with the output end of a servo motor a (7), a screw nut (203) is cooperatively connected with the side surface of the screw rod (202), two brush plates (201) which are symmetrically distributed are fixed on the side surface of the screw nut (203), the two brush plates (201) are attached to the side surfaces of a dust filter plate b (13) and a dust filter plate a (12), two connecting rods (204) which are symmetrically distributed are fixed on the side surface of the screw nut (203), and a guide groove (205) which is in sliding fit with the connecting rods (204) is formed in the inner side wall of the treatment box (3).

4. The flue gas separation and purification device for denitration of a boiler, according to claim 1, characterized in that two symmetrically distributed concave sockets (15) are fixed on the inner side wall of the treatment box (3), the concave sockets (15) are located at one side close to the outlet pipe (6), and an activated carbon plate (14) is inserted in the two concave sockets (15) in a sliding manner.

5. The flue gas separating and purifying device for the denitration of the boiler, according to the claim 2, characterized in that the end of the collecting box (8) far away from the gear (102) is provided with an opening, and the opening end of the collecting box (8) is hinged with a cover plate b (9).

6. The flue gas separation and purification device for denitration of a boiler, according to claim 4, characterized in that a cover plate a (4) located right above the activated carbon plate (14) is hinged on the top side wall of the treatment box (3), a handle (16) is fixed on the top end of the cover plate a (4), and a rubber sleeve is sleeved on the surface of the handle (16).

Images