Smoke exhaust mechanism based on bag-type dust collector

Abstract

The smoke exhaust mechanism comprises a box body, a raw smoke chamber, a dust removal chamber and a smoke purification chamber are sequentially arranged in the box body, one side of the raw smoke chamber is connected with a smoke inlet pipe, one side of the smoke purification chamber is connected with a smoke outlet pipe, a sealing plate is formed at the top of the dust removal chamber, and the outside of the sealing plate is detachably connected with a smoke purification cover. A smoke purifying chamber is formed after the smoke purifying cover and the sealing plate are enclosed; the smoke purifying cover comprises a split adapter, side plates and a top plate, the adapter is fixedly connected to the periphery of the top of the sealing plate, a plurality of first threaded connection parts are distributed on the periphery of the side wall of the adapter, the side plates are distributed on the periphery of the outer wall of the adapter, and the lower ends of the side plates are fixedly connected with the adapter through the first threaded connection parts; the adjacent side plates are connected through first bending part bolts, and the periphery of the top plate is connected to the tops of the side plates through second bending part bolts. According to the invention, the repairing efficiency and the operation convenience of the bag-type dust collector can be improved.

Description

Technical Field

[0001] The utility model relates to a bag dust collector, in particular to a smoke exhaust mechanism based on the bag dust collector. Background Art

[0002] After being discharged from the boiler, the high-temperature flue gas generated by waste incineration must first pass through a bag filter, where it filters dust and impurities from the flue gas before being sent to a purification device for purification. Current bag filters primarily consist of a separate raw smoke chamber, a dust removal chamber, and a clean smoke chamber. Several bag filters are located within the dust removal chamber, each connected to the raw smoke chamber and the clean smoke chamber. After entering the raw smoke chamber, the flue gas passes through the bag filters before entering the clean smoke chamber, achieving dust removal.

[0003] However, a drawback of existing bag filters is that, because the flue gas from waste incineration contains sulfur dioxide, sulfurous acid forms during the cooling and transportation process, corroding the inner walls of the bag filters. Furthermore, as the flue gas gradually cools during transportation, the temperature inside the clean flue chamber drops below that of the original flue chamber, exacerbating the corrosion. Consequently, the side walls of the clean flue chamber often corrode and break after regular use, requiring repair by the manufacturer.

[0004] On this basis, since the shell of a conventional bag filter is formed by integrally welding plates, there are currently two ways for manufacturers to repair the shell. The first is to weld a protective plate directly to the outside of the corroded area when slight corrosion occurs on the shell surface, thereby using the protective plate to fill the corroded area. The second is that when the shell surface has large-scale and severe corrosion damage, the operator needs to completely cut off the shell near the corrosion area and then weld a new plate, that is, replace part of the bag filter shell. However, since these two methods require continuous cutting and welding of the dust collector shell, the operation is complicated and time-consuming. On the other hand, since the smoke pipe of the bag filter is directly welded to the clean smoke chamber and connected to subsequent equipment, when the shell near the smoke pipe is corroded, the shell is not only unable to support and fix the smoke pipe during the replacement process, but it is also easy to cause damage to the connection part of the smoke pipe end during the operation. That is, the smoke pipe needs to be shortened and then re-welded to extend it, further increasing the difficulty and complexity of the operation.

[0005] Therefore, the existing repair method for the bag filter has the problems of being difficult to operate and time-consuming. Utility Model Content

[0006] The purpose of the utility model is to provide a smoke exhaust mechanism based on a bag dust collector, which can improve the repair efficiency and operation convenience of the bag dust collector.

[0007] The technical solution of the present utility model: a smoke exhaust mechanism based on a bag dust collector, comprising a box body, in which an original smoke chamber, a dust removal chamber and a clean smoke chamber are sequentially arranged, one side of the original smoke chamber is connected to a smoke inlet pipe, and one side of the clean smoke chamber is connected to a smoke outlet pipe, a sealing plate is formed on the top of the dust removal chamber, and a clean smoke hood is detachably connected to the outside of the sealing plate, and the clean smoke hood and the sealing plate are enclosed to form a clean smoke chamber; the clean smoke hood comprises a split adapter seat, side panels and a top panel, the adapter seat is fixedly connected to the top of the sealing plate around, a plurality of first threaded connection parts are distributed around the side walls of the adapter seat, the number of side panels is multiple and distributed around the outer wall of the adapter seat, the lower ends of the side panels are fixedly connected to the adapter seat via the first threaded connection part, the adjacent side panels are bolted via the first bending portion, and the four sides of the top panel are bolted to the top of the side panel via the second bending portion.

[0008] In the aforementioned smoke exhaust mechanism based on a bag filter, the inner walls of the side plates and the top plate are both provided with an anti-corrosion layer.

[0009] In the aforementioned smoke exhaust mechanism based on a bag filter, the side panel close to the smoke outlet pipe is separately arranged and symmetrically arranged on the left and right sides of the smoke outlet pipe, and the side panels on both sides are connected by bolts via the third bending portion.

[0010] In the aforementioned smoke exhaust mechanism based on a bag dust collector, the outer walls of the first bending portion, the second bending portion and the third bending portion are all rounded, and the connection between adjacent side panels and the connection between the side panels and the top panel are rounded to form a first adhesive joint, and the first adhesive joint is filled with sealant.

[0011] In the aforementioned smoke exhaust mechanism based on a bag filter, a second adhesive joint located outside the adapter is formed between the side plate and the sealing plate, and the second adhesive joint is filled with sealant.

[0012] In the aforementioned smoke exhaust mechanism based on a bag filter, a support is provided on the adapter seat below the smoke outlet pipe, and the end of the smoke outlet pipe extends to the inner side of the side plate and is connected to the support.

[0013] Compared with the prior art, the present invention has the following features:

[0014] (1) The utility model defines the structure of the smoke hood so that it can be assembled from split side panels and top panels, and all connecting bolts are located outside the smoke hood; when any side panel or top panel is corroded or damaged, the operator can replace the side panel or top panel where the corrosion occurs, thereby effectively improving the repair efficiency and operation convenience of the smoke hood;

[0015] (2) By setting the first adhesive joint, the second adhesive joint and the sealant, the side panels and the top panel can be sealed by filling the sealant to seal the connection gaps after they are spliced ​​together, thereby improving the sealing performance of the smoke hood; when any side panel or top panel needs to be replaced, the operator only needs to cut the sealant at the corresponding position to facilitate the replacement operation;

[0016] (3) Through the structural coordination of the adapter and the support member, the smoke outlet pipe can be fixed and supported, and the side panel outside the smoke outlet pipe plays an auxiliary supporting function; on this basis, when the side panel close to the smoke outlet pipe needs to be replaced, the operator only needs to remove the bolts around the side panel to pull it out horizontally, which effectively improves the convenience of replacing the side panel at the smoke outlet pipe position, and the smoke outlet pipe will not be damaged during the replacement process, further improving the operational stability of the utility model;

[0017] Therefore, the utility model can improve the repair efficiency and operating convenience of the bag dust collector. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 yes Figure 1 A-direction enlarged view;

[0020] Figure 3 yes Figure 1 B-direction view.

[0021] The marks in the accompanying drawings are: 1-box, 2-original smoke chamber, 3-dust removal chamber, 4-clean smoke chamber, 5-smoke inlet pipe, 6-smoke outlet pipe, 7-sealing plate, 8-adapter seat, 9-side panel, 10-top plate, 11-first threaded connection part, 12-first bending part, 13-second bending part, 14-third bending part, 15-first adhesive seam, 16-second adhesive seam, 17-support member, 18-second threaded connection part. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0023] Embodiment. A smoke exhaust mechanism based on a bag dust collector is composed as follows Figure 1As shown, it includes a box body 1, in which an original smoke chamber 2, a dust removal chamber 3 and a clean smoke chamber 4 are sequentially arranged. The original smoke chamber 2, the dust removal chamber 3 and the clean smoke chamber 4 are separated from each other by partitions. A bag dust removal mechanism is provided in the dust removal chamber 3. One side of the original smoke chamber 2 is connected to a smoke inlet pipe 5, and one side of the clean smoke chamber 4 is connected to a smoke outlet pipe 6. After the smoke enters the original smoke chamber 2, it passes through the bag dust removal mechanism and enters the clean smoke chamber 4, thereby realizing the bag dust removal function. A sealing plate 7 is formed on the top of the dust removal chamber 3, and a clean smoke hood is detachably connected to the outside of the sealing plate 7. The clean smoke hood and the sealing plate 7 are enclosed to form the clean smoke chamber 4; the clean smoke hood It includes a split adapter seat 8, side panels 9 and a top panel 10. The adapter seat 8 is fixedly connected around the top of the sealing plate 7. Several first threaded connection parts 11 are distributed around the side walls of the adapter seat 8. There are multiple side panels 9 and they are distributed around the outer wall of the adapter seat 8. The lower end of the side panel 9 is fixedly connected to the adapter seat 8 via the first threaded connection part 11. The adjacent side panels 9 are connected by bolts via the first bending part 12. The bolts extend from the outside of the side panel 9 and pass through the side panel 9 to connect to the first threaded connection part 11. The top panel 10 is bolted to the top of the side panel 9 via the second bending part 13.

[0024] The inner walls of the side panels 9 and the top panel 10 can be provided with a number of reinforcing ribs according to the hardness requirements, and the reinforcing ribs are paved with an anti-corrosion layer around them. During maintenance, the operator can remove any side panel 9 and the top panel 10 and replace the anti-corrosion layer in other areas.

[0025] The side panels 9 close to the smoke outlet pipe 6 are split and symmetrically arranged on the left and right sides of the smoke outlet pipe 6 , and the side panels 9 on both sides are connected by bolts via the third bending portion 14 .

[0026] The outer walls of the first bending portion 12, the second bending portion 13 and the third bending portion 14 are all rounded, and the connection between adjacent side panels 9 and the connection between the side panel 9 and the top panel 10 are rounded to form a first adhesive joint 15, which is filled with sealant.

[0027] A second adhesive joint 16 is formed between the side plate 9 and the sealing plate 7 and is located outside the adapter seat 8 . The second adhesive joint 16 is filled with sealant.

[0028] A support member 17 is provided on the adapter seat 8 below the smoke outlet pipe 6. The end of the smoke outlet pipe 6 extends to the inner side of the side plate 9 and is connected to the support member 17. The connection between the smoke outlet pipe 6 and the side plate 9 is sealed by an annular sealant.

[0029] A second threaded connection portion 18 is provided on the inner side of the first bending portion 12 and the second bending portion 13, and a bolt extends from the outer side of one side panel 9 and passes through the side panel 9 to connect to the second threaded connection portion 18; the first threaded connection portion 11 and the second threaded connection portion 18 can both be set as nuts, and the outside of the nuts are welded to the side panel 9 or the adapter seat 8.

[0030] Working principle of the present utility model: When installing the present utility model, the operator first fixes the adapter seat 8 on the sealing plate 7, and then connects the end of the smoke outlet pipe 6 to the adapter seat 8 via the support member 17, thereby using the adapter seat 8 to support and fix the smoke outlet pipe 6. After the smoke outlet pipe 6 is fixed, each side panel 9 is placed on the adapter seat 8, and the lower end of the side panel 9 is bolted to the adapter seat 8 via the first threaded connection part 11. The two sides of the side panel 9 are connected and fixed to each other via the first bending part 12 and the second threaded connection part 18, thereby forming a frame structure. After the side panel 9 is installed, the top panel 10 is fixed to the upper end of the side panel 9 through the cooperation of the second bending part 13 and the second threaded connection part 18, thereby forming a closed clean smoke chamber 4. After the side panel 9 and the top panel 10 are assembled and formed, the operator seals each first glue joint 15 and the second glue joint 16, thereby improving the sealing of the joint position and preventing smoke from overflowing.

[0031] When corrosion occurs on any side panel 9 or top panel 10, the operator only needs to remove and replace the side panel 9 and top panel 10 where the corrosion occurs to achieve the desired repair effect. During the replacement process, the operator can also inspect and replace the anti-corrosion layer in other areas, thereby further improving the repair effect of the clean smoke hood.

Claims

1. A smoke exhaust mechanism based on a bag dust collector, comprising a housing (1), wherein a raw smoke chamber (2), a dust removal chamber (3) and a clean smoke chamber (4) are sequentially arranged in the housing (1), a smoke inlet pipe (5) is connected to one side of the raw smoke chamber (2), and a smoke outlet pipe (6) is connected to one side of the clean smoke chamber (4), characterized in that: The top of the dust removal chamber (3) is formed with a sealing plate (7), and the outside of the sealing plate (7) is detachably connected to a clean smoke hood, and the clean smoke hood and the sealing plate (7) form a clean smoke chamber (4) after being enclosed; the clean smoke hood comprises a split adapter (8), a side plate (9) and a top plate (10), the adapter (8) is fixedly connected to the top of the sealing plate (7), a plurality of first threaded connection parts (11) are distributed around the side wall of the adapter (8), the number of the side plates (9) is multiple and distributed around the outer wall of the adapter (8), the lower end of the side plate (9) is fixedly connected to the adapter (8) via the first threaded connection part (11), adjacent side plates (9) are bolted via the first bending part (12), and the top plate (10) is bolted to the top of the side plate (9) via the second bending part (13).

2. The smoke exhaust mechanism based on a bag dust collector according to claim 1, characterized in that: The inner walls of the side plates (9) and the top plate (10) are both provided with an anti-corrosion layer.

3. The smoke exhaust mechanism based on a bag dust collector according to claim 1, characterized in that: The side plate (9) close to the smoke outlet pipe (6) is arranged in a split manner and symmetrically arranged on the left and right sides of the smoke outlet pipe (6), and the side plates (9) on both sides are connected by bolts via the third bending portion (14).

4. The smoke exhaust mechanism based on a bag dust collector according to claim 3 is characterized in that: The outer walls of the first bending portion (12), the second bending portion (13) and the third bending portion (14) are all rounded, and the connection between adjacent side panels (9) and the connection between the side panels (9) and the top panel (10) are rounded to form a first adhesive joint (15), and the first adhesive joint (15) is filled with sealant.

5. The smoke exhaust mechanism based on a bag dust collector according to claim 1, characterized in that: A second adhesive joint (16) located outside the transfer seat (8) is formed between the side plate (9) and the sealing plate (7), and the second adhesive joint (16) is filled with sealant.

6. The smoke exhaust mechanism based on a bag dust collector according to claim 1, characterized in that: A support member (17) is provided on the adapter seat (8) below the smoke outlet pipe (6), and the end of the smoke outlet pipe (6) extends to the inner side of the side plate (9) and is connected to the support member (17).

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