CN213983630U - Power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure - Google Patents
Power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure Download PDFInfo
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- CN213983630U CN213983630U CN202022780842.7U CN202022780842U CN213983630U CN 213983630 U CN213983630 U CN 213983630U CN 202022780842 U CN202022780842 U CN 202022780842U CN 213983630 U CN213983630 U CN 213983630U
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Abstract
The utility model discloses a power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure, including chimney, roof beam body and anti-corrosion coating, the internally mounted of chimney has the roof beam body, roof beam body top and bottom all are provided with the cell body, the even coating in inside of cell body has anti-corrosion coating, anti-corrosion coating's lateral wall is provided with additional strengthening, the both sides of the roof beam body all are provided with protective structure. The utility model discloses a be provided with protective structure, first anticorrosive cover passes through fixing bolt and installs in the cell body on the chimney inner wall, and one side is connected with the anticorrosive cover of second, realized the anticorrosion to chimney and roof beam body junction, make the liquid that has corrosivity of leaving on the chimney inner wall be difficult for causing the corruption to the junction, thereby it is more comprehensive to the protection of the roof beam body, and the lateral wall of second insulating layer is provided with the hydrophobic layer, make liquid be difficult for persisting on the roof beam body and cause the injury to it, thereby the protectiveness to the roof beam body is better.
Description
Technical Field
The utility model relates to a chimney wet flue gas desulfurization's anticorrosive technical field specifically is a power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure.
Background
With the continuous progress of the continuously developed science and technology of the national economy, the electric power of China is greatly developed, a power plant can also emit certain waste gas while generating the electric power, the waste gas can be sprayed by components such as a spray beam and the like arranged inside the flue pipe when being emitted through the flue pipe, so that the flue gas is emitted after being desulfurized, but the spray beam arranged inside the flue pipe can be corroded in the desulfurization process, and therefore a corresponding anticorrosion structure is needed to carry out anticorrosion on the flue gas;
however, in the existing anticorrosive coating structure of the spray beam, when in use, the joint between the spray beam and the chimney is easily corroded by the liquid flowing along the inner wall of the chimney, so an anticorrosive coating structure for wet desulphurization of the steel inner barrel chimney of the power plant is developed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure to the seam crossing of spraying roof beam and chimney that proposes in solving above-mentioned background art is easy to be corroded the problem along the liquid that the chimney inner wall flows.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure, includes chimney, the roof beam body and anti-corrosion coating, the internally mounted of chimney has the roof beam body, roof beam body top and bottom all are provided with the cell body, the even coating in inside of cell body has anti-corrosion coating, anti-corrosion coating's lateral wall is provided with additional strengthening, the both sides of the roof beam body all are provided with protective structure.
Preferably, protective structure includes first anticorrosive cover, the anticorrosive cover of second, fixing bolt and mounting groove, the mounting groove sets up in the inside both sides of chimney, the inside of mounting groove all is provided with first anticorrosive cover, be provided with fixing bolt between first anticorrosive cover and the chimney, one side of first anticorrosive cover all is fixed with the anticorrosive cover of second.
Preferably, the outer side wall of the first anti-corrosion sleeve is smaller than the inner diameter of the mounting groove, and a clamping structure is formed between the first anti-corrosion sleeve and the mounting groove.
Preferably, first anticorrosive cover and the anticorrosive cover of second all are provided with two sets ofly, two sets of first anticorrosive cover and the anticorrosive cover of second are the symmetric distribution about the axis of roof beam body.
Preferably, the reinforcing structure comprises a first heat insulation layer, a second heat insulation layer and a hydrophobic layer, the first heat insulation layer is uniformly coated on the surface of the corrosion prevention layer, the second heat insulation layer is uniformly coated on the surface of the first heat insulation layer, and the hydrophobic layer is uniformly coated on the surface of the second heat insulation layer.
Preferably, the tank body is provided with a plurality of tank bodies which are distributed at equal intervals at the top end and the bottom end of the beam body.
Compared with the prior art, the beneficial effects of the utility model are that: the anticorrosion layer structure for wet desulphurization of the chimney of the steel inner cylinder of the power plant not only realizes the anticorrosion of the joint of the chimney and the beam body, but also realizes better anticorrosion effect and difficult shedding of the anticorrosion layer on the beam body;
(1) the protective structures are arranged on the two sides of the beam body and the inner wall of the chimney, the first anti-corrosion sleeve is installed in the groove body on the inner wall of the chimney through the fixing bolt, and the second anti-corrosion sleeve is connected to one side of the first anti-corrosion sleeve, so that the corrosion of the joint of the chimney and the beam body is realized, corrosive liquid reserved on the inner wall of the chimney is not easy to corrode the joint, and the beam body is protected more comprehensively;
(2) the protective structure is arranged on the outer side wall of the anti-corrosion layer, the first heat insulation layer and the second heat insulation layer are uniformly coated on the outer side wall of the anti-corrosion layer, so that the beam body is better in corrosion resistance, the beam body is not easily damaged due to high temperature in gas, and the outer side wall of the second heat insulation layer is provided with the hydrophobic layer, so that liquid is not easily remained on the beam body to cause damage to the beam body, and the beam body is better in protection;
(3) through evenly being provided with a plurality of cell bodies on the top and the bottom at the roof beam body, when the anti-corrosion coating evenly coats the roof beam body on the surface, the inside of cell body can be embedded into has the anti-corrosion coating for the anti-corrosion coating is more firm in the surface attachment of the roof beam body, is difficult for droing, protective nature greatly increased.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the corrosion structure of the present invention;
fig. 3 is a schematic front view of a partial structure of the protection structure of the present invention;
fig. 4 is a schematic diagram of a partially enlarged structure at a position in fig. 1 according to the present invention.
In the figure: 1. a chimney; 2. a protective structure; 201. a first corrosion prevention sleeve; 202. a second corrosion prevention sleeve; 203. fixing the bolt; 204. mounting grooves; 3. a reinforcing structure; 301. a first insulating layer; 302. a second thermal insulation layer; 303. a hydrophobic layer; 4. a beam body; 5. an anti-corrosion layer; 6. a tank body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: an anti-corrosion layer structure for wet desulphurization of a power plant steel inner cylinder chimney comprises a chimney 1, a beam body 4 and an anti-corrosion layer 5, wherein the beam body 4 is arranged inside the chimney 1, the top end and the bottom end of the beam body 4 are both provided with a groove body 6, the anti-corrosion layer 5 is uniformly coated inside the groove body 6, the outer side wall of the anti-corrosion layer 5 is provided with a reinforcing structure 3, and two sides of the beam body 4 are both provided with a protective structure 2;
specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, when the anti-corrosion layer 5 is uniformly coated on the surface of the beam body 4, the anti-corrosion layer 5 also flows into the inside of the groove body 6 uniformly arranged on the beam body 4, so that the anti-corrosion layer 5 is more firmly attached to the surface of the beam body 4, is not easy to fall off, and the protection performance is greatly increased;
the protective structure 2 comprises a first anti-corrosion sleeve 201, a second anti-corrosion sleeve 202, a fixing bolt 203 and a mounting groove 204, the mounting groove 204 is arranged on two sides of the inside of the chimney 1, the inside of the mounting groove 204 is provided with the first anti-corrosion sleeve 201, the fixing bolt 203 is arranged between the first anti-corrosion sleeve 201 and the chimney 1, one side of the first anti-corrosion sleeve 201 is fixed with the second anti-corrosion sleeve 202, the outer side wall of the first anti-corrosion sleeve 201 is smaller than the inner diameter of the mounting groove 204, a clamping structure is formed between the first anti-corrosion sleeve 201 and the mounting groove 204, the first anti-corrosion sleeve 201 and the second anti-corrosion sleeve 202 are arranged in two groups, and the two groups of the first anti-corrosion sleeve 201 and the second anti-corrosion sleeve 202 are symmetrically distributed about the central axis of the beam body 4;
specifically, as shown in fig. 1, 2 and 3, when the mechanism is used, firstly, the first anticorrosive sleeve 201 is installed in the groove 6 on the inner wall of the chimney 1 through a plurality of fixing bolts 203, the second anticorrosive sleeve 202 is fixed on one side of the first anticorrosive sleeve 201, and the second anticorrosive sleeve 202 is sleeved on the outer side wall of the beam body 4 to tightly wrap the outer side wall, so that the joint of the chimney 1 and the beam body 4 is not easy to corrode due to liquid left on the inner wall of the chimney 1, and the beam body 4 is protected more comprehensively;
the reinforcing structure 3 comprises a first heat insulation layer 301, a second heat insulation layer 302 and a hydrophobic layer 303, the first heat insulation layer 301 is uniformly coated on the surface of the anti-corrosion layer 5, the second heat insulation layer 302 is uniformly coated on the surface of the first heat insulation layer 301, the hydrophobic layer 303 is uniformly coated on the surface of the second heat insulation layer 302, the plurality of groove bodies 6 are arranged, and the plurality of groove bodies 6 are distributed at equal intervals at the top end and the bottom end of the beam body 4;
specifically, as shown in fig. 1 and 4, when using this mechanism, first, the outer side wall of the corrosion protection layer 5 is uniformly coated with the first thermal insulation layer 301, and the outer side wall of the first thermal insulation layer 301 is uniformly coated with the second thermal insulation layer 302, and the outer side wall of the second thermal insulation layer 302 is uniformly coated with the hydrophobic layer 303, so that the protection to the beam body 4 is better.
The working principle is as follows: firstly, the beam body 4 is arranged inside the chimney 1, then the first anti-corrosion sleeve 201 is arranged in the groove body 6 on the inner wall of the chimney 1 through a plurality of fixing bolts 203, the second anti-corrosion sleeve 202 is fixed on one side of the first anti-corrosion sleeve 201, and the second anti-corrosion sleeve 202 is sleeved on the outer side wall of the beam body 4 to tightly wrap the beam body 4, so that the joint of the chimney 1 and the beam body 4 is not easy to corrode due to liquid left on the inner wall of the chimney 1;
secondly, the first heat insulation layer 301 is uniformly coated on the outer side wall of the anti-corrosion layer 5, the second heat insulation layer 302 is uniformly coated on the outer side wall of the first heat insulation layer 301, and the hydrophobic layer 303 is uniformly coated on the outer side wall of the second heat insulation layer 302, so that the beam body 4 is better protected;
finally, when the anti-corrosion layer 5 is uniformly coated on the surface of the beam body 4, the anti-corrosion layer 5 can also flow into the inside of the groove body 6 uniformly arranged on the beam body 4, so that the anti-corrosion layer 5 is more firm in surface attachment of the beam body 4 and not easy to fall off, the protection performance is greatly increased, and the work of the anti-corrosion layer of the wet desulphurization of the steel inner cylinder chimney of the power plant is finally completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure, includes chimney (1), roof beam body (4) and anti-corrosion coating (5), its characterized in that: the internally mounted of chimney (1) has roof beam body (4), roof beam body (4) top and bottom all are provided with cell body (6), the even coating in inside of cell body (6) has anti-corrosion coating (5), the lateral wall of anti-corrosion coating (5) is provided with additional strengthening (3), the both sides of roof beam body (4) all are provided with protective structure (2).
2. The power plant steel inner cylinder chimney wet desulphurization anticorrosive coating structure according to claim 1, characterized in that: protective structure (2) include first anticorrosive cover (201), the anticorrosive cover of second (202), fixing bolt (203) and mounting groove (204), mounting groove (204) set up in the inside both sides of chimney (1), the inside of mounting groove (204) all is provided with first anticorrosive cover (201), be provided with fixing bolt (203) between first anticorrosive cover (201) and chimney (1), one side of first anticorrosive cover (201) all is fixed with the anticorrosive cover of second (202).
3. The wet desulphurization anticorrosive coating structure for the power plant steel inner cylinder chimney according to claim 2, characterized in that: the outer side wall of the first anti-corrosion sleeve (201) is smaller than the inner diameter of the mounting groove (204), and a clamping structure is formed between the first anti-corrosion sleeve (201) and the mounting groove (204).
4. The wet desulphurization anticorrosive coating structure for the power plant steel inner cylinder chimney according to claim 2, characterized in that: the first anti-corrosion sleeve (201) and the second anti-corrosion sleeve (202) are arranged in two groups, and the first anti-corrosion sleeve (201) and the second anti-corrosion sleeve (202) are symmetrically distributed about the central axis of the beam body (4).
5. The power plant steel inner cylinder chimney wet desulphurization anticorrosive coating structure according to claim 1, characterized in that: the reinforcing structure (3) comprises a first heat insulation layer (301), a second heat insulation layer (302) and a hydrophobic layer (303), wherein the first heat insulation layer (301) is uniformly coated on the surface of the anti-corrosion layer (5), the second heat insulation layer (302) is uniformly coated on the surface of the first heat insulation layer (301), and the hydrophobic layer (303) is uniformly coated on the surface of the second heat insulation layer (302).
6. The power plant steel inner cylinder chimney wet desulphurization anticorrosive coating structure according to claim 1, characterized in that: the tank body (6) is provided with a plurality of tank bodies (6) which are distributed at equal intervals at the top end and the bottom end of the beam body (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022780842.7U CN213983630U (en) | 2020-11-26 | 2020-11-26 | Power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022780842.7U CN213983630U (en) | 2020-11-26 | 2020-11-26 | Power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure |
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| CN213983630U true CN213983630U (en) | 2021-08-17 |
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| CN202022780842.7U Active CN213983630U (en) | 2020-11-26 | 2020-11-26 | Power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure |
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