CN111550817A - Heat-preservation and corrosion-prevention chimney structure - Google Patents
Heat-preservation and corrosion-prevention chimney structure Download PDFInfo
- Publication number
- CN111550817A CN111550817A CN202010514021.0A CN202010514021A CN111550817A CN 111550817 A CN111550817 A CN 111550817A CN 202010514021 A CN202010514021 A CN 202010514021A CN 111550817 A CN111550817 A CN 111550817A
- Authority
- CN
- China
- Prior art keywords
- chimney
- chimney structure
- wall
- inner tube
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004321 preservation Methods 0.000 title claims abstract description 8
- 238000005536 corrosion prevention Methods 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/28—Chimney stacks, e.g. free-standing, or similar ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/02—Linings; Jackets; Casings
- F23J13/025—Linings; Jackets; Casings composed of concentric elements, e.g. double walled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
- F23J13/04—Joints; Connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a chimney structure with heat preservation and corrosion prevention. The technical scheme of the invention is as follows: the chimney section comprises an inner barrel and an outer barrel, a plurality of layers of wing plates are arranged on the inner wall of the outer barrel from top to bottom, bolt holes are formed in the wing plates, angle steel rings corresponding to the wing plates are arranged on the outer wall of the inner barrel and connected with the wing plates through bolts, an annular pasting plate protruding out of the bottom of the outer barrel is arranged at the bottom of the inner barrel and can be inserted into the top of the inner barrel and connected with the inner wall of the inner barrel in an adhering mode, flat plate flanges are respectively arranged at the top and the bottom of the outer barrel, bolt holes are formed in the flat plate flanges, connection between every two adjacent outer barrels is achieved through matching of the flat plate flanges and the bolts, sealing strips are arranged between the two flat plate flanges in contact. The scheme provided by the invention has the advantages of good sealing and heat-insulating effects, short installation period and long service life.
Description
Technical Field
The invention relates to the technical field of chimneys, in particular to a heat-insulating and corrosion-resistant chimney structure.
Background
At present, a gap of more than 150mm needs to be reserved between an inner cylinder and an outer cylinder of a self-supporting steel chimney of a sleeve to form an air layer, the air layer can effectively reduce the heat transfer efficiency, but the overlarge gap of the air layer can lead to the overlarge diameter of the outer cylinder, the strength of the inner cylinder of the large-diameter chimney needs to be guaranteed by arranging a reinforcing plate and a steel plate, the cost is increased, in addition, the problem of water leakage and smoke leakage of the chimney used in the desulfurization and denitrification process is frequently caused, and the service life and the safety of the chimney are.
Disclosure of Invention
Aiming at the defects in the prior art, the invention mainly aims to provide the chimney structure which has good sealing and heat-insulating effects, short installation period and long service life.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a heat preservation anticorrosive chimney structure, includes a plurality of sections chimney sections, the chimney section includes inner tube and urceolus, be provided with a plurality of layers of pterygoid lamina from last to down on the inner wall of urceolus, be provided with the bolt hole on the pterygoid lamina, be provided with on the outer wall of inner tube with the pterygoid lamina corresponds the angle steel ring that sets up, the angle steel ring passes through bolted connection with the pterygoid lamina, the bottom of inner tube is provided with the annular flitch of protrusion urceolus bottom, the annular flitch can be inserted and establish the inner tube top and be connected with the laminating of inner tube inner wall, the top and the bottom of urceolus are provided with the flat flange respectively, be provided with the bolt hole on the flat flange, realize connecting through the cooperation of flat flange and bolt between two adjacent urceol.
Preferably, a sealing groove for placing a sealing ring is formed in the annular pasting plate.
Preferably, a ceramic isolation cushion plate is arranged between the wing plate and the angle steel ring.
Preferably, the wing plate is provided with a high temperature resistant layer.
Preferably, the lap joint height of the annular flitch is 120-250 mm.
Preferably, the plurality of layers of wing plates are arranged at equal intervals.
Compared with the prior art, the invention has the advantages that the problem of low-temperature flue gas water leakage is solved, and the service life of the flue gas is prolonged; the caliber of the outer cylinder is reduced, and the transportation difficulty of a large-caliber chimney is reduced; the inner cylinder is in socket joint connection, the production process is convenient and quick, and the installation period of the on-site chimney is greatly shortened; the heat preservation and the weight of the inner cylinder are uniformly distributed on the outer cylinder, the fatigue limit of the chimney is reduced, and the service cycle of the chimney is prolonged.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
fig. 3 is a schematic structural view of the junction of two chimney sections.
In the figure: 1. a chimney section; 2. an inner barrel; 3. an outer cylinder; 4. a wing plate; 5. an angle steel ring; 6. a bolt; 7. an annular pasting plate; 8. a flat flange; 9. a sealing strip; 10. an aluminum silicate heat-insulating layer; 11. a ceramic isolation backing plate; 12. a high temperature resistant layer; 13. sealing the groove.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, a heat-insulating and corrosion-resistant chimney structure comprises a plurality of chimney sections 1, wherein each chimney section 1 comprises an inner barrel 2 and an outer barrel 3, a plurality of layers of wing plates 4 are arranged on the inner wall of the outer barrel 3 from top to bottom, bolt holes are formed in the wing plates 4, an angle steel ring 5 corresponding to the wing plates 4 is arranged on the outer wall of the inner barrel 2, the angle steel ring 5 is connected with the wing plates 4 through bolts 6, an annular pasting plate 7 protruding out of the bottom of the outer barrel 3 is arranged at the bottom of the inner barrel 2, the annular pasting plate 7 can be inserted into the top of the inner barrel 2 and is connected with the inner wall of the inner barrel 2 in a pasting manner, flat flanges 8 are respectively arranged at the top and the bottom of the outer barrel 3, the bolts 6 are arranged on the flat flanges 8, the adjacent two outer barrels 3 are connected through the matching of the flat flanges 8 and the bolts, an aluminum silicate heat-insulating layer 10 is arranged between the inner cylinder 2 and the outer cylinder 3.
Preferably, a sealing groove 13 for placing a sealing ring is arranged on the annular patch 7. The arrangement can ensure the connection tightness between the inner cylinders 2.
Preferably, a ceramic isolation pad 11 is arranged between the wing plate 4 and the angle steel ring 5.
Preferably, the wing plate 4 is provided with a high temperature resistant layer 12.
Preferably, the height of the annular flitch plate 7 is 120-250 mm.
Preferably, the plurality of layers of wing plates 4 are arranged at equal intervals. The advantage of setting up like this is that the aluminium silicate heat preservation 10 and the inner tube 2 weight evenly distributed are on the urceolus 3, reduce the fatigue limit of chimney, increase chimney life cycle.
According to the scheme, each section of the chimney section 1 is about 8-16 meters, the chimney is divided into an inner barrel 2 and an outer barrel 3, the chimney is manufactured into a whole by a factory, and then the chimney section 1 is installed on site. The outer cylinder 3 is made of carbon steel or special steel materials, the inner cylinder 2 is made of special steel plates, including stainless steel, acid-resistant steel, titanium plates and other special metal materials or other materials suitable for the smoke working condition, and the thickness is 2-16mm, so that the structural strength is guaranteed, and the anti-corrosion function is achieved. This scheme is through setting up aluminium silicate heat preservation 10 and replacing the air bed, can reduce the clearance between inner tube 2 and the urceolus 3 to the diameter of urceolus 3 has been reduced, has reduced the transportation difficulty.
The connection between the chimney section 1 and the chimney section 1 is connected through an integral flat flange 8, the wing plate 4 with the bearing effect is arranged on the inner side of the chimney outer barrel 3, a strip bolt 6 hole is generally formed in the inner side, an angle steel ring 5 is arranged on the outer side of the chimney inner barrel 2, the angle steel ring 5 is connected with the wing plate 4 through a high-strength bolt 6, a 2-4 mm ceramic isolation base plate 11 is padded between the angle steel ring 5 and the wing plate 4, a high-temperature-resistant coating is coated on the wing plate 4, and the anti-deformation effect is achieved.
The inner cylinder 2 is welded on the angle ring 5, the distance between the angle rings 5 is set according to 500-1500 mm, an aluminum silicate heat-insulating layer 10 is arranged between the inner cylinder 2 and the outer cylinder 3, the thickness of the aluminum silicate heat-insulating layer 10 is 50-150 mm, and the heat-insulating effect is guaranteed. The lower port of the inner cylinder 2 is welded with an annular flitch 7 made of the same material of the inner cylinder 2, and the annular flitch 7 extends out of a flange of the outer cylinder 3 by 120-250 mm.
When the sealing strip is installed, the sealing strip 9 is placed between the flat flanges 8 of the outer cylinder 3, and the sealing performance is further ensured.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a heat preservation anticorrosive chimney structure which characterized in that: including a plurality of sections chimney sections, the chimney section includes inner tube and urceolus, be provided with a plurality of layers of pterygoid lamina from last to down on the inner wall of urceolus, be provided with the bolt hole on the pterygoid lamina, be provided with on the outer wall of inner tube with the pterygoid lamina corresponds the angle steel ring that sets up, the angle steel ring passes through bolted connection with the pterygoid lamina, the bottom of inner tube is provided with the annular flitch that protrudes urceolus bottom, the annular flitch can insert establish the inner tube top and be connected with the laminating of inner tube inner wall, the top and the bottom of urceolus are provided with dull and stereotyped flange respectively, be provided with the bolt hole on the dull and stereotyped flange, realize connecting through the cooperation of dull and stereotyped flange and bolt between two.
2. A heat insulating and corrosion preventing chimney structure according to claim 1, characterized in that: and a sealing groove for placing a sealing ring is arranged on the annular pasting plate.
3. A heat insulating and corrosion preventing chimney structure according to claim 1, characterized in that: and a ceramic isolation base plate is arranged between the wing plate and the angle steel ring.
4. A heat insulating and corrosion preventing chimney structure according to claim 1, characterized in that: the wing plate is provided with a high temperature resistant layer.
5. A heat insulating and corrosion preventing chimney structure according to claim 1, characterized in that: the lap joint height of the annular flitch is 120-250 mm.
6. A heat insulating and corrosion preventing chimney structure according to claim 1, characterized in that: the plurality of layers of wing plates are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514021.0A CN111550817A (en) | 2020-06-08 | 2020-06-08 | Heat-preservation and corrosion-prevention chimney structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010514021.0A CN111550817A (en) | 2020-06-08 | 2020-06-08 | Heat-preservation and corrosion-prevention chimney structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111550817A true CN111550817A (en) | 2020-08-18 |
Family
ID=72002243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010514021.0A Pending CN111550817A (en) | 2020-06-08 | 2020-06-08 | Heat-preservation and corrosion-prevention chimney structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111550817A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998376A (en) * | 2020-08-27 | 2020-11-27 | 中科泰岳(北京)环境工程有限公司 | Prefabricated three-layer heat preservation tobacco pipe structure |
| CN112144944A (en) * | 2020-10-26 | 2020-12-29 | 腾是达(河北)环境工程有限公司 | Novel self-supporting corrugated type corrugated inner cylinder chimney |
| CN112594540A (en) * | 2020-12-09 | 2021-04-02 | 连云港中远海运特种装备制造有限公司 | Auxiliary fixing method suitable for vertical low-temperature heat-insulating container |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001056114A (en) * | 1999-08-19 | 2001-02-27 | Michiharu Tsubosaka | Chimney unit and chimney system |
| CN102561787A (en) * | 2012-01-09 | 2012-07-11 | 苏州云白环境设备制造有限公司 | Anticorrosive composite chimney unit and chimney |
| CN203626371U (en) * | 2013-12-05 | 2014-06-04 | 中国海诚工程科技股份有限公司 | Reinforced concrete chimney inner liner steel inner cylinder structure |
| CN205399763U (en) * | 2016-02-15 | 2016-07-27 | 郑华国 | Structure is hung futilely to building curtain |
| CN108756436A (en) * | 2018-07-18 | 2018-11-06 | 苏州云白环境设备股份有限公司 | Inner cylinder thin wall type free-standing steel chimney |
| CN209324118U (en) * | 2018-11-29 | 2019-08-30 | 天津云白环境设备制造有限公司 | A kind of sleeve self-supporting heat preservation steel stack |
| CN212362069U (en) * | 2020-06-08 | 2021-01-15 | 苏州云白环境设备股份有限公司 | Heat-preservation and corrosion-prevention chimney structure |
-
2020
- 2020-06-08 CN CN202010514021.0A patent/CN111550817A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001056114A (en) * | 1999-08-19 | 2001-02-27 | Michiharu Tsubosaka | Chimney unit and chimney system |
| CN102561787A (en) * | 2012-01-09 | 2012-07-11 | 苏州云白环境设备制造有限公司 | Anticorrosive composite chimney unit and chimney |
| CN203626371U (en) * | 2013-12-05 | 2014-06-04 | 中国海诚工程科技股份有限公司 | Reinforced concrete chimney inner liner steel inner cylinder structure |
| CN205399763U (en) * | 2016-02-15 | 2016-07-27 | 郑华国 | Structure is hung futilely to building curtain |
| CN108756436A (en) * | 2018-07-18 | 2018-11-06 | 苏州云白环境设备股份有限公司 | Inner cylinder thin wall type free-standing steel chimney |
| CN209324118U (en) * | 2018-11-29 | 2019-08-30 | 天津云白环境设备制造有限公司 | A kind of sleeve self-supporting heat preservation steel stack |
| CN212362069U (en) * | 2020-06-08 | 2021-01-15 | 苏州云白环境设备股份有限公司 | Heat-preservation and corrosion-prevention chimney structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998376A (en) * | 2020-08-27 | 2020-11-27 | 中科泰岳(北京)环境工程有限公司 | Prefabricated three-layer heat preservation tobacco pipe structure |
| CN112144944A (en) * | 2020-10-26 | 2020-12-29 | 腾是达(河北)环境工程有限公司 | Novel self-supporting corrugated type corrugated inner cylinder chimney |
| CN112594540A (en) * | 2020-12-09 | 2021-04-02 | 连云港中远海运特种装备制造有限公司 | Auxiliary fixing method suitable for vertical low-temperature heat-insulating container |
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