CN211622831U - Anticorrosive high-temperature chimney - Google Patents
Anticorrosive high-temperature chimney Download PDFInfo
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- CN211622831U CN211622831U CN201921393218.2U CN201921393218U CN211622831U CN 211622831 U CN211622831 U CN 211622831U CN 201921393218 U CN201921393218 U CN 201921393218U CN 211622831 U CN211622831 U CN 211622831U
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Abstract
The utility model discloses an anticorrosive high temperature chimney, its circumference surface temperature is 100 ℃ ~250 ℃'s chimney body when operating condition to and wrap up the corrosion resistant strutting arrangement at its circumference surface when chimney body operating condition, corrosion resistant strutting arrangement includes sets gradually ceramic fiber insulating layer, water glass concrete layer, consolidates the steel sheet layer and is used for the steel sheet supporting component of spacing reinforcement steel sheet layer from inside to outside, increases support piece and anticorrosive on the basis of original ordinary steel chimney, under the condition of not breaking normal factory production, can normally be under the condition that the chimney surface has the high temperature, when promoting chimney factor of safety, has improved the economic benefits of mill.
Description
Technical Field
The utility model relates to a chimney technical field, concretely relates to anticorrosive high temperature chimney.
Background
In order to reduce pollution and improve environmental quality, denitration and desulfurization treatment are carried out before the exhaust gas of the existing cement plant is discharged, but the temperature of the flue gas subjected to denitration and desulfurization treatment is reduced, the water content is high, and acid condensation is extremely easy to form in a chimney.
In the prior art, chimneys of cement plants are all of steel structures, and under the corrosion action of acid condensation, the inner surfaces of the chimneys are easy to corrode, and local holes can be perforated, so that the mechanical structures of the steel chimneys are damaged, and safety risks exist; the temperature of the chimney is very high, and a common repair method cannot resist the high temperature, so that if the machine is stopped for repair, the whole plant needs to be stopped, and great adverse effects are generated on the economic benefits of the plant.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides an anticorrosive high temperature chimney increases support piece and anticorrosive piece on the basis of original ordinary steel chimney, does not interrupt the mill's production, has can normally be under the condition of high temperature at the chimney surface, when promoting chimney factor of safety, has improved the economic benefits of mill.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides an anticorrosive high temperature chimney, includes that its circumference surface temperature is the chimney body of 70 ~250 ℃ when operating condition to and wrap up the corrosion resistant strutting arrangement at its circumference surface when chimney body operating condition, corrosion resistant strutting arrangement includes sets gradually ceramic fibre insulating layer, water glass concrete layer, reinforcement steel deck and is used for spacing steel sheet supporting component who consolidates the steel deck from inside to outside.
Further, a tinplate protective layer is arranged between the ceramic fiber thermal insulation layer and the water glass concrete layer.
Further, the steel plate supporting assembly comprises a reinforcing support fixedly connected with the ground and a reinforcing frame fixedly connected with the reinforcing support, and the reinforcing frame is sleeved outside the reinforcing steel plate layer and is in abutting contact with the circumferential outer surface of the reinforcing steel plate layer.
Further, the number of the reinforcing frames is at least 2, the reinforcing frames are arranged from top to bottom in sequence, and the distances between every two adjacent reinforcing frames are equal.
Further, corrosion resistant strutting arrangement is still including setting firmly the ground supporting component in reinforced steel plate layer bottom, ground supporting component includes first annular steel sheet, first gusset and reinforcing bar, has set firmly the concrete foundation on ground, chimney body bottom has set firmly second annular steel sheet and second gusset, first annular steel sheet and second annular steel sheet all with reinforced steel plate layer fixed connection and from the top down level in proper order set up, first gusset one end and first annular steel sheet fixed connection and the other end and second annular steel sheet fixed connection, second gusset one end and second annular steel sheet fixed connection and the other end and concrete foundation fixed connection, reinforcing bar one end and second annular steel sheet fixed connection and the other end and concrete foundation fixed connection.
Compared with the prior art, the utility model has the advantages that:
1. the supporting piece and the anti-corrosion piece are added on the basis of the original common steel chimney, the production of a factory is not interrupted, normal construction can be realized under the condition that the outer surface of the chimney has high temperature, and the safety coefficient of the chimney is improved while the economic benefit of the factory is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the steel plate supporting assembly of the present invention.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
In order to reduce pollution and improve environmental quality, denitration and desulfurization treatment are carried out before the exhaust gas of the existing cement plant is discharged, but the temperature of the flue gas subjected to denitration and desulfurization treatment is reduced, the water content is high, and acid condensation is extremely easy to form in a chimney.
In the prior art, chimneys of cement plants are all of steel structures, and under the corrosion action of acid condensation, the inner surfaces of the chimneys are easy to corrode, and local holes can be perforated, so that the mechanical structures of the steel chimneys are damaged, and safety risks exist; the temperature of the chimney is very high, and a common repair method cannot resist the high temperature, so that if the machine is stopped for repair, the whole plant needs to be stopped, and great adverse effects are generated on the economic benefits of the plant.
As shown in fig. 1, the anticorrosive high-temperature chimney comprises a chimney body 10 with a circumferential outer surface temperature of 70-250 ℃ in a working state, and an anticorrosive supporting device wrapped on the circumferential outer surface of the chimney body in the working state, wherein the anticorrosive supporting device comprises a ceramic fiber heat-insulating layer 20, a water glass concrete layer 40, a reinforced steel plate layer 50 and a steel plate supporting assembly 60 for limiting the reinforced steel plate layer, which are sequentially arranged from inside to outside; the support piece and the anti-corrosion piece are added on the basis of the original common steel chimney, the production of a factory is not interrupted, the construction can be carried out when the circumferential outer surface temperature of the chimney body is 70 ℃, 80 ℃, 90 ℃, 100 ℃, 110 ℃, 120 ℃, 130 ℃, 140 ℃, 150 ℃, 160 ℃, 170 ℃, 180 ℃, 190 ℃, 200 ℃, 210 ℃, 220 ℃, 230 ℃, 240 ℃ and 250 ℃, the support effect is played, the normal construction can be ensured under the high-temperature condition of the chimney, and the economic benefit of the factory is improved; the above numerical values are only specific examples and do not constitute limitations of the claims.
As shown in fig. 1, a sheet iron protective layer is arranged between the ceramic fiber thermal insulation layer 20 and the water glass concrete layer 40; the water glass concrete pours into between ceramic fibre insulating layer and the reinforcing steel deck, and the water glass concrete can prevent to corrode, even the chimney body is corroded the perforation to pass the ceramic fibre insulating layer, still can be blockked by water glass concrete layer, but the water glass concrete can not with ceramic fibre insulating layer direct contact, if direct contact, have following harmful effects: the ceramic fiber insulating layer can directly absorb the moisture in the water glass concrete fast, directly influences the strength exertion of water glass concrete, and will not play thermal-insulated effect behind the ceramic fiber absorbed moisture, so set up the tinplate inoxidizing coating between water glass concrete layer and ceramic fiber insulating layer, can avoid the emergence of this kind of condition.
As shown in fig. 2, the steel plate supporting assembly includes a reinforcing bracket 60 fixedly connected with the ground and a reinforcing frame 62 fixedly connected with the reinforcing bracket, and the reinforcing frame is sleeved outside the reinforcing steel plate layer 50 and is in abutting contact with the circumferential outer surface of the reinforcing steel plate layer; due to the action of the acidic condensation, the chimney body is corroded and perforated, the mechanical structure is damaged, safety risks exist, the reinforcing support and the ground can be fixedly connected with the ground in a mode of directly inserting the reinforcing support into the ground, and can also be fixedly connected to other objects fixedly arranged on the ground, and the anti-corrosion high-temperature chimney in the utility model is reinforced in a mode that the reinforcing frame is sleeved outside the reinforcing steel plate layer and is in abutting contact with the circumferential outer surface of the reinforcing steel plate layer, so that the safety risks are eliminated; the reinforcement frame 62 has 2 at least, reinforcement frame from the top down arranges in proper order and two adjacent reinforcement frame between the distance equals, in this embodiment, reinforcement frame is total 5, from the top down arranges in proper order, and two adjacent reinforcement frame between the distance equals, can carry out evenly spacing, improvement to anticorrosive high temperature chimney the utility model discloses a security.
As shown in fig. 1, the corrosion-resistant supporting device further includes a ground supporting assembly 80 fixedly arranged at the bottom of the reinforced steel plate layer, the ground supporting assembly includes a first annular steel plate 81, a first rib plate 82 and a reinforcing steel bar 85, a concrete foundation 86 is fixedly arranged on the ground, a second annular steel plate 83 and a second rib plate 84 are fixedly arranged at the bottom of the chimney body, the first annular steel plate and the second annular steel plate are both fixedly connected with the reinforced steel plate layer 50 and horizontally arranged from top to bottom, one end of the first rib plate is fixedly connected with the first annular steel plate, the other end of the first rib plate is fixedly connected with the second annular steel plate, one end of the second rib plate is fixedly connected with the second annular steel plate, the other end of the second rib plate is fixedly connected with the concrete foundation, and one end of the reinforcing steel bar is fixedly connected with the second annular steel plate; second annular steel sheet and second gusset and chimney body fixed connection, after this external corrosion resistant strutting arrangement that increases of chimney, the supporting role of second annular steel sheet and second gusset is not enough, in order to improve the utility model discloses a factor of safety has increased ground supporting component on the basis of original support, has improved support strength, has promoted the utility model discloses a factor of safety.
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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The anticorrosive high-temperature chimney is characterized by comprising a chimney body (10) with the circumferential outer surface temperature of 70-250 ℃ in the working state and an anticorrosive supporting device wrapped on the circumferential outer surface of the chimney body in the working state, wherein the anticorrosive supporting device comprises a ceramic fiber heat-insulating layer (20), a water glass concrete layer (40), a reinforced steel plate layer (50) and a steel plate supporting assembly (60) for limiting the reinforced steel plate layer, which are sequentially arranged from inside to outside.
2. The corrosion-resistant high-temperature chimney according to claim 1, characterized in that: a galvanized iron sheet protective layer is arranged between the ceramic fiber thermal insulation layer (20) and the water glass concrete layer (40).
3. The anti-corrosion high-temperature chimney according to the claim 1, characterized in that the steel plate supporting assembly (60) comprises a reinforcing bracket (61) fixedly connected with the ground and a reinforcing frame (62) fixedly connected with the reinforcing bracket, wherein the reinforcing frame is sleeved outside the reinforcing steel plate layer (50) and is in abutting contact with the circumferential outer surface of the reinforcing steel plate layer.
4. The corrosion-resistant high-temperature chimney according to claim 3, characterized in that: at least 2 reinforcing frames (62) are arranged in sequence from top to bottom, and the distance between every two adjacent reinforcing frames is equal.
5. The corrosion-resistant high-temperature chimney according to claim 1, characterized in that: the corrosion-resistant supporting device also comprises a ground supporting component (80) fixedly arranged at the bottom of the reinforced steel plate layer, the ground support component comprises a first annular steel plate (81), a first rib plate (82) and a reinforcing steel bar (85), a concrete foundation (86) is fixedly arranged on the ground, a second annular steel plate (83) and a second rib plate (84) are fixedly arranged at the bottom of the chimney body, the first annular steel plate and the second annular steel plate are both fixedly connected with a reinforced steel plate layer (50) and are sequentially and horizontally arranged from top to bottom, one end of the first rib plate is fixedly connected with the first annular steel plate and the other end is fixedly connected with the second annular steel plate, one end of the second rib plate is fixedly connected with the second annular steel plate, the other end of the second rib plate is fixedly connected with the concrete foundation, and one end of the reinforcing steel bar is fixedly connected with the second annular steel plate, and the other end of the reinforcing steel bar is fixedly connected with the concrete foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393218.2U CN211622831U (en) | 2019-08-26 | 2019-08-26 | Anticorrosive high-temperature chimney |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921393218.2U CN211622831U (en) | 2019-08-26 | 2019-08-26 | Anticorrosive high-temperature chimney |
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| CN211622831U true CN211622831U (en) | 2020-10-02 |
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| CN201921393218.2U Active CN211622831U (en) | 2019-08-26 | 2019-08-26 | Anticorrosive high-temperature chimney |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453968A (en) * | 2019-08-26 | 2019-11-15 | 广西凌云通鸿水泥有限公司 | Anti-corrosion high temperature stacks and its construction method |
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2019
- 2019-08-26 CN CN201921393218.2U patent/CN211622831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453968A (en) * | 2019-08-26 | 2019-11-15 | 广西凌云通鸿水泥有限公司 | Anti-corrosion high temperature stacks and its construction method |
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