CN218541335U - Half-sleeve anti-corrosion chimney - Google Patents
Half-sleeve anti-corrosion chimney Download PDFInfo
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- CN218541335U CN218541335U CN202222774539.5U CN202222774539U CN218541335U CN 218541335 U CN218541335 U CN 218541335U CN 202222774539 U CN202222774539 U CN 202222774539U CN 218541335 U CN218541335 U CN 218541335U
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Abstract
A half-sleeve anti-corrosion chimney comprises a chimney outer barrel, a chimney inner barrel and an annular bracket, wherein the lower half section of the chimney outer barrel is in a circular truncated cone shape, and the upper half section of the chimney outer barrel is in a cylindrical shape; the lower half section of the chimney outer cylinder is internally provided with a chimney inner cylinder; a first anticorrosion inner wall is arranged on the inner side of the chimney inner cylinder; a second anticorrosive inner wall is arranged on the inner side of the upper half section of the chimney outer cylinder; the annular bracket is arranged between the inner cylinder of the chimney and the second anti-corrosion inner wall; the upper end of the chimney inner cylinder is provided with a sealing connecting plate; a liquid collecting tank is arranged on the upper side of the sealing connecting plate; a plurality of arc arches are arranged in the liquid collecting tank at equal intervals; a liquid outlet hole is arranged between two adjacent arches. The utility model integrally seals the chimney inner cylinder through the sealing connecting plate; meanwhile, the sealing connecting plate forms a liquid collecting groove on the upper side of the annular bracket, collects condensed acid liquid flowing down through the liquid guiding groove on the second anti-corrosion inner wall, and then collects the condensed acid liquid to a liquid collecting pipe through a liquid outlet hole to be discharged out of the integral chimney.
Description
Technical Field
The utility model belongs to the chimney field of discharging fume especially relates to an anticorrosive chimney of half sleeve.
Background
Because of the environmental protection requirement, the flue gas discharged by the thermal power plant needs to be subjected to desulfurization treatment at present, the flue gas is subjected to desulfurization treatment by a multi-purpose wet method, the temperature of the flue gas subjected to desulfurization is reduced, the humidity of the flue gas is higher, acid liquor is easily condensed on the inner wall of a chimney in the discharging process, the corrosion damage to the chimney is great, and the discharging speed is reduced after the temperature of the flue gas is reduced; at present, most of the modes of the chimney anticorrosion and heat preservation treatment are that an inner chimney cylinder is arranged in the chimney and an anticorrosion inner wall is arranged, but the inner diameter of the chimney is reduced by integrally mounting the inner chimney cylinder on the chimney, the flow rate of smoke emission is increased, and the possibility of chimney rain is increased; half sleeve chimney is at the inside sleeve that sets up of chimney the latter half, can not cause too big influence to the holistic interior discharge diameter of chimney when increasing the anticorrosive effect that keeps warm, nevertheless the anticorrosive seal structure of chimney inner tube upper end connection position is difficult to be handled, the condition of condensation acidizing fluid infiltration corruption from chimney inner tube top seam easily appears.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a half-sleeve anticorrosion chimney, which adopts the cooperation of a first anticorrosion inner wall, a second anticorrosion inner wall, an annular bracket and a sealing connecting plate, so that the chimney inner barrel is arranged inside the lower side of the chimney outer barrel, the first anticorrosion inner wall is arranged inside the chimney inner barrel, a first connecting groove arranged on the upper side of the first anticorrosion inner wall is connected with the sealing connecting plate, and the sealing connecting plate is connected with the annular bracket through the second connecting groove, so that the integral sealing effect of the chimney inner barrel is realized; meanwhile, the sealing connecting plate forms a liquid collecting groove on the upper side of the annular bracket, and collects condensed acid liquid flowing down through the liquid guiding groove on the second anti-corrosion inner wall, and then the condensed acid liquid is collected to the liquid collecting pipe through the liquid outlet hole to be discharged out of the whole chimney.
In order to achieve the above purpose, the utility model adopts the following specific technical scheme:
a half-sleeve anticorrosion chimney comprises a chimney outer cylinder, a chimney inner cylinder and an annular bracket, and is characterized in that the lower half section of the chimney outer cylinder is in a circular truncated cone shape, and the upper half section of the chimney outer cylinder is in a cylindrical shape; the lower half section of the chimney outer cylinder is internally provided with a chimney inner cylinder; a first anti-corrosion inner wall is arranged on the inner side of the chimney inner cylinder; an anticorrosive layer is arranged on the outer side of the first anticorrosive inner wall; the outer side of the anticorrosive layer is provided with a heat-insulating layer; a heat preservation cavity is arranged outside the heat preservation layer; a second anticorrosive inner wall is arranged on the inner side of the upper half section of the chimney outer cylinder; the annular bracket is arranged between the inner cylinder of the chimney and the second anticorrosive inner wall; the upper end of the chimney inner cylinder is provided with a sealing connecting plate; a first connecting groove is formed in the outer side of the upper end of the first anti-corrosion inner wall; a first connecting clamping edge is arranged at the position, opposite to the first connecting groove, of the sealing connecting plate; the upper end of the annular bracket is provided with a second connecting clamping edge; the sealing connecting plate is provided with a second connecting groove at a position corresponding to the second connecting card edge; a liquid collecting tank is arranged on the upper side of the sealing connecting plate; a plurality of arc arches are arranged in the liquid collecting tank at equal intervals; a liquid outlet hole is arranged between two adjacent arches.
Further, a plurality of liquid guide grooves are vertically arranged on the inner side of the second anti-corrosion inner wall at equal intervals.
Furthermore, a plurality of liquid outlet holes extend to the outer wall of the chimney outer barrel and are connected with an annular liquid collecting pipe.
Furthermore, the first anti-corrosion inner wall and the second anti-corrosion inner wall are made of anti-corrosion glass fiber reinforced plastic materials.
Further, the anticorrosive coating preferably adopts the mixed material of acid-resistant clay.
Furthermore, the heat preservation layer is made of one or a mixture of multiple materials of rock wool, glass wool, rubber and plastic heat preservation materials and polyurethane heat preservation materials.
The utility model has the advantages of it is following: the first anticorrosion inner wall, the anticorrosion layer, the heat-insulating cavity and the second anticorrosion inner wall of the inner barrel of the chimney are matched to perform anticorrosion and heat-insulating treatment on the whole chimney, and meanwhile, the inner diameter of the chimney is slightly influenced, the flow velocity of smoke exhaust is reduced, and the occurrence of chimney rain is reduced; the sealing connecting plate is fixed at the upper end of the chimney inner cylinder for sealing through the fixation of the first clamping edge of the sealing connecting plate and the first connecting groove of the first anti-corrosion inner wall and the fixation of the second connecting groove and the second clamping edge of the annular bracket; including wrapping up whole annular bracket, preventing that annular bracket bearing structure from being corroded, sealed connecting plate sets up the collecting tank in annular bracket upside simultaneously, collects the condensation acidizing fluid that flows down through the anticorrosive inner wall drain trap of second, collects the whole chimney of collector pipe discharge through the liquid outlet.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the cross section of the internal structure of the present invention;
FIG. 3 is an enlarged view of the area A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the structural section of the liquid collecting tank of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the annular liquid collecting tube of the present invention;
FIG. 6 is an enlarged schematic view of the structural section of the annular bracket of the present invention;
the notation in the figure is: 1. a chimney outer cylinder; 2. an inner chimney barrel; 3. a ring-shaped corbel; 301. a second connecting clamping edge; 4. a first corrosion resistant inner wall; 401. a first connecting groove; 5. an anticorrosive layer; 6. a heat-insulating layer; 7. a heat preservation cavity; 8. a second corrosion resistant inner wall; 801. a liquid guide groove; 9. sealing the connecting plate; 901. a first connecting clamping edge; 902. a second connecting groove; 903. a liquid collecting tank; 904. arching; 10. a liquid outlet hole; 11. and a liquid collecting pipe.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.
As shown in fig. 1-6, the utility model comprises a chimney outer cylinder 1, a chimney inner cylinder 2 and an annular bracket 3, wherein the lower half section of the chimney outer cylinder 1 is in the shape of a circular truncated cone, and the upper half section is in the shape of a column; a chimney inner barrel 2 is arranged in the lower half section of the chimney outer barrel 1; a first anticorrosion inner wall 4 is arranged on the inner side of the chimney inner cylinder 2; an anticorrosive layer 5 is arranged on the outer side of the first anticorrosive inner wall 4; an insulating layer 6 is arranged outside the anticorrosive layer 5; a heat preservation cavity 7 is arranged outside the heat preservation layer 6; a second anticorrosive inner wall 8 is arranged on the inner side of the upper half section of the chimney outer cylinder 1; the annular bracket 3 is arranged between the chimney inner cylinder 2 and the second anticorrosive inner wall 8; the upper end of the chimney inner cylinder 2 is provided with a sealing connecting plate 9; a first connecting groove 401 is arranged on the outer side of the upper end of the first anticorrosion inner wall 4; a first connecting clamping edge 901 is arranged at the position of the sealing connecting plate 9 corresponding to the first connecting groove 401; the upper end of the annular bracket 3 is provided with a second connecting clamping edge 301; the sealing connection plate 9 is provided with a second connection groove 902 at a position corresponding to the second connection card edge 301; a liquid collecting groove 903 is arranged on the upper side of the sealing connecting plate 9; a plurality of arc-shaped arches 904 are equidistantly arranged in the liquid collecting groove 903; a liquid outlet hole 10 is arranged between two adjacent arches 904.
As shown in connection with figures 1-6,
inside chimney inner tube 2 that sets up of 1 downside of chimney urceolus, building cost is saved in the setting of half telescopic, save time, and chimney inner tube 2 sets up the cooperation of first anticorrosive inner wall 4, anticorrosive coating 5, heat preservation 6, heat preservation cavity 7, makes the chimney have sufficient anticorrosive heat retaining effect, and the internal diameter of chimney does not have too much to reduce, does not have great influence to the smoke extraction efficiency of chimney.
2 inboard settings first anticorrosive inner wall 4 of chimney inner tube, through first anticorrosive inner wall 4, the anticorrosive inner wall 8 of second, annular bracket 3, sealing connection plate 9's cooperation, annular bracket 3 and chimney urceolus 1 connection structure as an organic whole, first connecting groove 401 that 4 upsides of first anticorrosive inner wall set up is connected along 901 with sealing connection plate 9's first connecting card, sealing connection plate 9's second connecting card is continuous with annular bracket 3 through second connecting groove 902 along 301, with chimney inner tube 2 upper end overall seal, prevent that condensation acidizing fluid from passing through chimney inner tube 2 upper end connection point's gap infiltration entering chimney internal corrosion, wrap up annular bracket 3 inside simultaneously, prevent that annular bracket 3 from contacting condensation acidizing fluid by the corruption, thereby destroy whole chimney inner tube 2 and the anticorrosive inner wall 8's of second intensity.
Meanwhile, the sealing connecting plate 9 is provided with a liquid collecting groove 903 at the upper side of the annular bracket 3 to collect condensed acid liquid flowing down from the liquid guiding groove 801 through the second anti-corrosion inner wall 8, the arches 904 arranged in the liquid collecting groove 903 at equal intervals collect the condensed acid liquid collected in the liquid collecting groove 903 to the positions of liquid outlet holes 10 between the two adjacent arches 904, and then the condensed acid liquid is collected to the annular liquid collecting pipe 11 through the liquid outlet holes 10 and then discharged out of the integral chimney, so that the effect of collecting and discharging the condensed acid liquid is achieved.
It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (5)
1. A half-sleeve anticorrosion chimney comprises a chimney outer cylinder (1), a chimney inner cylinder (2) and an annular bracket (3), and is characterized in that the lower half section of the chimney outer cylinder (1) is in a circular truncated cone shape, and the upper half section of the chimney outer cylinder is in a cylindrical shape; a chimney inner cylinder (2) is arranged in the lower half section of the chimney outer cylinder (1); a first anti-corrosion inner wall (4) is arranged on the inner side of the chimney inner cylinder (2); an anticorrosive layer (5) is arranged on the outer side of the first anticorrosive inner wall (4); the outer side of the anti-corrosion layer (5) is provided with a heat-insulating layer (6); a heat preservation cavity (7) is arranged on the outer side of the heat preservation layer (6); a second anti-corrosion inner wall (8) is arranged on the inner side of the upper half section of the chimney outer cylinder (1); the annular bracket (3) is arranged between the chimney inner cylinder (2) and the second anticorrosive inner wall (8); the upper end of the chimney inner cylinder (2) is provided with a sealing connecting plate (9); a first connecting groove (401) is arranged on the outer side of the upper end of the first anticorrosion inner wall (4); a first connecting clamping edge (901) is arranged at the position, opposite to the first connecting groove (401), of the sealing connecting plate (9); the upper end of the annular bracket (3) is provided with a second connecting clamping edge (301); a second connecting groove (902) is formed in the position, opposite to the second connecting card edge (301), of the sealing connecting plate (9); a liquid collecting tank (903) is arranged on the upper side of the sealing connecting plate (9); a plurality of arc-shaped arches (904) are arranged in the liquid collecting groove (903) at equal intervals; a liquid outlet hole (10) is arranged between two adjacent arches (904).
2. The half-sleeve anti-corrosion chimney according to claim 1, characterized in that a plurality of liquid guiding grooves (801) are vertically arranged at equal intervals inside the second anti-corrosion inner wall (8).
3. The half-sleeve anti-corrosion chimney according to claim 1, characterized in that a plurality of liquid outlet holes (10) extend to the outer wall of the chimney outer cylinder (1) and are connected with an annular liquid collecting pipe (11).
4. The half-sleeve anti-corrosion chimney according to claim 1, characterized in that the first anti-corrosion inner wall (4) and the second anti-corrosion inner wall (8) are made of anti-corrosion glass fiber reinforced plastic.
5. The half-sleeve anti-corrosion chimney according to claim 1, characterized in that the anti-corrosion layer (5) is made of a mixture of acid-resistant mastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222774539.5U CN218541335U (en) | 2022-10-21 | 2022-10-21 | Half-sleeve anti-corrosion chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222774539.5U CN218541335U (en) | 2022-10-21 | 2022-10-21 | Half-sleeve anti-corrosion chimney |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218541335U true CN218541335U (en) | 2023-02-28 |
Family
ID=85279844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222774539.5U Active CN218541335U (en) | 2022-10-21 | 2022-10-21 | Half-sleeve anti-corrosion chimney |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218541335U (en) |
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2022
- 2022-10-21 CN CN202222774539.5U patent/CN218541335U/en active Active
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