CN217843906U

CN217843906U - Power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure

Info

Publication number: CN217843906U
Application number: CN202221389403.6U
Authority: CN
Inventors: 唐健
Original assignee: Chongqing Volk Anticorrosion Co ltd
Current assignee: Chongqing Volk Anticorrosion Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-11-18
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure, including skin, interior waterproof sealing layer and support, waterproof sealing layer in outer inner wall is installed, the fixed bed is installed to the one end of multiunit dead lever, the glass steel layer is installed to the inner wall of fixed bed, the air pump is installed to outer inner wall, the water tank is installed to the outer wall of outer layer, the water pump is installed at the top of water tank, the shower nozzle is installed to the bottom of connecting plate. The utility model discloses an install glass steel layer, air pump and dead lever, when the fume emission, the air pump makes slight high pressure between fixed bed and the interior waterproof sealing layer, and gas overflows from the glass steel gap of assembling, and the flue gas is blown away from glass steel's concatenation department, and water flows downwards between fixed bed and the interior waterproof sealing layer, has avoided acidizing fluid and outer contact, and this structure has improved anticorrosive effect, has avoided outer reinforced concrete structure to be corroded, has improved the life of chimney.

Description

Power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure

Technical Field

The utility model relates to a chimney anticorrosion technical field specifically is a power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure.

Background

The flue gas after wet desulphurization is discharged, the temperature of the flue gas entering the chimney is not heated by a flue gas heat exchanger to rise, the temperature of the flue gas entering the chimney is 40-50 ℃, the inner wall of the chimney is seriously condensed, and acid liquid condensed along the wall of the chimney flows.

The existing anticorrosive coating structure has the following defects:

patent document CN213983630U discloses a power plant steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure, and the right item of protection "includes 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 it is better to the protectiveness of the roof beam body. But the anticorrosive coating has poor anticorrosive effect, and the flue gas and the acid liquor of the anticorrosive coating are easy to permeate the anticorrosive coating to corrode the outer concrete layer.

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 solve the poor problem of anticorrosive coating anticorrosive effect that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anticorrosion layer structure for wet desulphurization of a power plant steel inner cylinder chimney comprises an outer layer, an inner waterproof sealing layer and a support, wherein the inner waterproof sealing layer is arranged on the inner wall of the outer layer;

a plurality of groups of fixing rods are mounted on the inner wall of the inner waterproof sealing layer, a fixing layer is mounted at one end of each fixing rod, a glass fiber reinforced plastic layer is mounted on the inner wall of the fixing layer, an air pump is mounted on the inner wall of the outer layer, a water tank is mounted on the outer wall of the outer layer, a water pump is mounted at the top of the water tank, a water pipe is mounted on the outer wall of the water pump, a connecting plate is mounted at the top of the outer layer, a spray nozzle is mounted at the bottom of the connecting plate, and the spray nozzle is located between the inner waterproof sealing layer and the fixing layer;

and the inner wall of the glass fiber reinforced plastic layer is provided with a bracket.

Preferably, the outer wall of the outer layer is provided with a ladder stand.

Preferably, a support column is installed at the top of the support frame.

Preferably, the outer wall of support column installs the slider, and branch is installed to the outer wall of slider, and the outer wall of branch is installed and is scraped the circle.

Preferably, the outer wall of the support column is provided with a fixed block, and the inner wall of the fixed block is provided with a motor.

Preferably, the rolling wheel is installed to the output of motor, and the stay cord is installed to the outer wall of rolling wheel, and the one end of stay cord is connected with the top of branch.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install glass steel layer, air pump and dead lever, its glass steel layer is anticorrosive strong, its flue gas and acidizing fluid corrode it little, when the fume emission, the air pump with outside gas suction between fixed bed and the interior waterproof sealing layer, make slightly high pressure between fixed bed and the interior waterproof sealing layer, its gas can spill over from the glass steel gap of assembling, make the flue gas blow away from the concatenation department of glass steel, avoid the flue gas to produce the corruption to the fixed bed of glass steel, thereby avoid corroding outer layer, and the water pump leads to the water pipe transports water to shower nozzle department, water flows down from between fixed bed and the interior waterproof sealing layer, make the acidizing fluid that permeates the fixed bed erode downwards, avoided the contact of acidizing fluid and outer, its liquid is remitted into the water tank after falling into again, can artifical alkali that adds in and neutralizes, this structure has improved the anticorrosive effect, avoided outer reinforced concrete structure to be corroded, the life of chimney has been improved;

2. the utility model discloses an install slider, branch and motor, the dirt is easily condensed on its glass steel surface, the motor rotation drives the reel rotation this moment, the reel rotation drives the stay cord and removes, the stay cord removes and drives branch and removes, branch removes and drives the slider and scrapes circle rebound, the slider removes on the support column, play the guide effect to scraping the circle, scrape circle and glass steel slight laminating for the dirt on glass steel surface is erased, this structure makes the anticorrosive coating clear up automatically, no longer need the people to clear up, time saving and labor saving have improved the practicality.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is the structural schematic diagram of the scraping ring of the present invention.

In the figure: 1. an outer layer; 101. climbing a ladder; 2. an inner waterproof sealing layer; 201. fixing the rod; 202. a fixed layer; 203. a glass fiber reinforced plastic layer; 204. an air pump; 205. a water tank; 206. a water pump; 207. a water pipe; 208. a connecting plate; 209. a spray head; 3. a support; 301. a support pillar; 4. a slider; 401. a strut; 402. scraping a ring; 5. a fixed block; 501. a motor; 6. a winding wheel; 601. and pulling a rope.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1, an anticorrosive coating structure of power plant steel inner tube chimney wet flue gas desulfurization includes outer 1, interior waterproof sealing layer 2 and support 3, and cat ladder 101 is installed to the outer wall of outer 1, and cat ladder 101 is convenient for workman personnel to climb up the chimney and overhaul.

Referring to fig. 2 and 3, an inner waterproof sealing layer 2 is mounted on the inner wall of an outer layer 1, a plurality of groups of fixing rods 201 are mounted on the inner wall of the inner waterproof sealing layer 2, a fixing layer 202 is mounted at one end of each group of fixing rods 201, a glass fiber reinforced plastic layer 203 is mounted on the inner wall of the fixing layer 202, an air pump 204 is mounted on the inner wall of the outer layer 1, a water tank 205 is mounted on the outer wall of the outer layer 1, a water pump 206 is mounted at the top of the water tank 205, a water pipe 207 is mounted on the outer wall of the water pump 206, a connecting plate 208 is mounted at the top of the outer layer 1, the water pipe 207 is connected with the connecting plate 208, a spray head 209 is mounted at the bottom of the connecting plate 208, and the spray head 209 is located between the inner waterproof sealing layer 2 and the fixing layer 202, the glass fiber reinforced plastic layer 203 has strong corrosion resistance, and is slightly corroded by flue gas and acid liquid, the air pump 204 pumps outside air into the space between the fixed layer 202 and the inner waterproof sealing layer 2, so that slight high pressure is generated between the fixed layer 202 and the inner waterproof sealing layer 2, the air can overflow from the spliced glass fiber reinforced plastic gap, smoke is blown away from the spliced position of the glass fiber reinforced plastic, the smoke is prevented from corroding the fixed layer 202 of the glass fiber reinforced plastic, the corrosion to the outer layer 1 is avoided, the water pump 206 conveys water to the sprayer 209 through the water pipe 207, the water flows downwards from the space between the fixed layer 202 and the inner waterproof sealing layer 2, acid liquor permeating into the fixed layer 202 is washed downwards, the contact between the acid liquor and the outer layer 1 is avoided, the liquid falls into the water tank 205 again, alkali can be added manually for neutralization, the structure improves the corrosion prevention effect, the reinforced concrete structure of the outer layer 1 is prevented from being corroded, and the service life of the chimney is prolonged;

please refer to fig. 3 and 4, a support 3 is installed on the inner wall of the glass fiber reinforced plastic layer 203, a support column 301 is installed at the top of the support 3, a slider 4 is installed on the outer wall of the support column 301, a support rod 401 is installed on the outer wall of the slider 4, a scraping ring 402 is installed on the outer wall of the support rod 401, a fixing block 5 is installed on the outer wall of the support column 301, a motor 501 is installed on the inner wall of the fixing block 5, a winding wheel 6 is installed at the output end of the motor 501, a pull rope 601 is installed on the outer wall of the winding wheel 6, one end of the pull rope 601 is connected with the top of the support rod 401, dirt is easily condensed on the surface of the glass fiber reinforced plastic, the motor 501 rotates to drive the winding wheel 6 to rotate, the pull rope 601 to move to drive the support rod 401 to move, the support rod 401 moves to drive the slider 4 and the scraping ring 402 to move upwards, the slider 4 moves on the support column 301 to guide the scraping ring 402, the scraping ring 402 is slightly attached to the glass fiber reinforced plastic, so that the dirt on the surface of the glass fiber reinforced plastic is removed, and the anti-corrosion layer can be automatically cleaned.

The working principle is that the glass fiber reinforced plastic layer 203 is strong in corrosion resistance, smoke and acid liquor corrode the glass fiber reinforced plastic layer, when smoke is discharged, the air pump 204 pumps outside air into the space between the fixing layer 202 and the inner waterproof sealing layer 2, so that slight high pressure is generated between the fixing layer 202 and the inner waterproof sealing layer 2, the air can overflow from the spliced glass fiber reinforced plastic gap, the smoke is blown away from the spliced position of the glass fiber reinforced plastic, the smoke is prevented from corroding the fixing layer 202 of the glass fiber reinforced plastic, the outer layer 1 is prevented from being corroded, the water pump 206 conveys water to the sprayer 209 through the water pipe 207, the water flows downwards from the space between the fixing layer 202 and the inner waterproof sealing layer 2, the acid liquor permeating into the fixing layer 202 is washed downwards, and the contact between the acid liquor and the outer layer 1 is avoided, its liquid falls into water tank 205 after-again, can artifical joining alkali in with, this structure has improved anticorrosive effect, the outer 1 reinforced concrete structure of having avoided is corroded, the life of chimney has been improved, the dirt easily condenses on its glass steel surface, the rotatory reel 6 rotation that drives of motor 501 this moment, the rotatory stay cord 601 that drives of reel 601 removes, stay cord 601 removes and drives branch 401 and removes, branch 401 removes and drives slider 4 and scrape circle 402 rebound, slider 4 moves on support column 301, to scraping its guide effect of circle 402, scrape circle 402 and the little laminating of glass steel, make the dirt on glass steel surface erased, this structure makes the anticorrosive coating clear up automatically, no longer need the people to clear up, time saving and labor saving, and the practicality is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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

1. The utility model provides a power plant's steel inner tube chimney wet flue gas desulfurization's anticorrosive coating structure, includes skin (1), interior waterproof sealing layer (2) and support (3), its characterized in that: the inner wall of the outer layer (1) is provided with an inner waterproof sealing layer (2);

a plurality of groups of fixing rods (201) are installed on the inner wall of the inner waterproof sealing layer (2), a fixing layer (202) is installed at one end of each group of fixing rods (201), a glass fiber reinforced plastic layer (203) is installed on the inner wall of the fixing layer (202), an air pump (204) is installed on the inner wall of the outer layer (1), a water tank (205) is installed on the outer wall of the outer layer (1), a water pump (206) is installed at the top of the water tank (205), a water pipe (207) is installed on the outer wall of the water pump (206), a connecting plate (208) is installed at the top of the outer layer (1), a spray head (209) is installed at the bottom of the connecting plate (208), and the spray head (209) is located between the inner waterproof sealing layer (2) and the fixing layer (202);

and a bracket (3) is arranged on the inner wall of the glass fiber reinforced plastic layer (203).

2. The power plant steel inner cylinder chimney wet desulphurization anticorrosive coating structure according to claim 1, characterized in that: the outer wall of the outer layer (1) is provided with a ladder stand (101).

3. The power plant steel inner cylinder chimney wet desulphurization anticorrosive coating structure according to claim 1, characterized in that: and a support column (301) is installed at the top of the support (3).

4. The power plant steel inner cylinder chimney wet desulphurization anticorrosive coating structure according to claim 3, characterized in that: slider (4) are installed to the outer wall of support column (301), and branch (401) are installed to the outer wall of slider (4), and the outer wall of branch (401) is installed and is scraped circle (402).

5. The power plant steel inner cylinder chimney wet desulphurization anticorrosive coating structure according to claim 3, characterized in that: fixed block (5) are installed to the outer wall of support column (301), and motor (501) are installed to the inner wall of fixed block (5).

6. The power plant steel inner cylinder chimney wet desulphurization anticorrosive coating structure according to claim 5, characterized in that: the winding wheel (6) is installed to the output of motor (501), and stay cord (601) is installed to the outer wall of winding wheel (6), and the one end of stay cord (601) is connected with the top of branch (401).