CN101806162A - Inner and outer barrel type free-standing steel chimney - Google Patents
Inner and outer barrel type free-standing steel chimney Download PDFInfo
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- CN101806162A CN101806162A CN 201010160845 CN201010160845A CN101806162A CN 101806162 A CN101806162 A CN 101806162A CN 201010160845 CN201010160845 CN 201010160845 CN 201010160845 A CN201010160845 A CN 201010160845A CN 101806162 A CN101806162 A CN 101806162A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 239000010935 stainless steel Substances 0.000 claims abstract description 112
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 112
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 86
- 239000010962 carbon steel Substances 0.000 claims abstract description 86
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 230000011218 segmentation Effects 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses an inner and outer barrel type free-standing steel chimney, which comprises a carbon steel outer barrel and a stainless steel inner barrel arranged in the carbon steel outer barrel, wherein the carbon steel outer barrel and the stainless steel inner barrel consist of a plurality of subsections; the bottom of the lower stainless steel inner barrel is fixedly connected with the lower carbon steel outer barrel through a reinforcement piece; the top of the lower stainless steel inner barrel and the top of the middle stainless steel inner barrel are connected with the carbon steel outer barrel through a transverse-fixed longitudinal-sliding structure respectively; the top of the upper stainless steel inner barrel is connected with the top of the upper carbon steel outer barrel through an upper limit structure; the top of the middle stainless steel inner barrel is provided with a middle limit structure; and the subsections of the stainless steel inner barrel are connected through a loose flange. The dead weight of the stainless steel inner barrel is borne through the reinforcement piece, the top of the stainless steel inner barrel is transversely fixed with the carbon steel outer barrel through the special structure to ensure that the stainless steel inner barrel does not sway, and the stainless steel inner barrel can slide in the longitudinal direction, so the free-standing steel chimney has the advantages of simple and reasonable structure, convenient and efficient installation, wide application range and obvious economic benefit.
Description
Technical field
The present invention relates to a kind of steel work chimney, specifically belong to a kind of self-supporting structure chimney with inner core.
Background technology
At present, the mode that middle-size and small-size free-standing steel chimney generally adopts the prefabrication building site to install, according to existing traffic condition and lifting condition, the prefabricated length of steel work chimney in factory is generally 10m～18m, if need to install inner core in the urceolus, then make bigger with the installation process difficulty.
Summary of the invention
The present invention seeks to: a kind of inner and outer barrel type free-standing steel chimney is provided, and simple and reasonable, easy for installation efficient, applied widely, economic benefit is obvious.
Technical scheme of the present invention is: a kind of inner and outer barrel type free-standing steel chimney, and comprise a carbon steel outer, be installed on the stainless steel inner core in the carbon steel outer, described carbon steel outer and stainless steel inner core are made up of plurality of segments; Tube bottom is fixedlyed connected with the hypomere carbon steel outer by reinforcement in the described hypomere stainless steel; Described hypomere stainless steel inner core top is connected with carbon steel outer by crosswise fixed longitudinal sliding motion structure respectively with interlude stainless steel inner core top; Described epimere stainless steel inner core top is connected with epimere carbon steel outer top by the upper limit structure; Position limiting structure in the middle of described interlude stainless steel inner core top is provided with; Connect by lap joint flange between the segmentation of described stainless steel inner core.
The further technical scheme of the present invention is: a kind of inner and outer barrel type free-standing steel chimney, and comprise a carbon steel outer, be installed on the stainless steel inner core in the carbon steel outer, described carbon steel outer and stainless steel inner core are made up of plurality of segments; Tube bottom is fixedlyed connected with the hypomere carbon steel outer by reinforcement in the described hypomere stainless steel; Described hypomere stainless steel inner core top is connected with carbon steel outer by crosswise fixed longitudinal sliding motion structure respectively with interlude stainless steel inner core top; Described epimere stainless steel inner core top is connected with epimere carbon steel outer top by the upper limit structure; Position limiting structure in the middle of described interlude stainless steel inner core top is provided with; Connect by lap joint flange between the segmentation of described stainless steel inner core; Described hypomere stainless steel inner core is fixedlyed connected with the welding of hypomere carbon steel outer with the support channel-section steel by supporting base plate; Described crosswise fixed longitudinal sliding motion structure comprises the sleeve fixed head that is connected with the carbon steel outer horizontal fixed, on the described sleeve fixed head sliding sleeve is housed, and the inwall of described sliding sleeve is provided with the some sliding fulcrums with the sliding-contact of stainless steel inner core; Described upper limit structure comprises the cone-shaped hood that is welded on epimere stainless steel inner core top, the top board of being located at epimere carbon steel outer top, and the top board sleeve is housed on the described top board, and described top board sleeve is between epimere stainless steel inner core and cone-shaped hood; Position limiting structure is the limiting plate that is welded on the outer wall of interlude stainless steel inner core top in the middle of described.
The more detailed technical scheme of the present invention is: a kind of inner and outer barrel type free-standing steel chimney, and comprise a carbon steel outer, be installed on the stainless steel inner core in the carbon steel outer, described carbon steel outer and stainless steel inner core are made up of plurality of segments; Tube bottom is fixedlyed connected with the hypomere carbon steel outer by reinforcement in the described hypomere stainless steel; Described hypomere stainless steel inner core top is connected with carbon steel outer by crosswise fixed longitudinal sliding motion structure respectively with interlude stainless steel inner core top; Described epimere stainless steel inner core top is connected with epimere carbon steel outer top by the upper limit structure; Position limiting structure in the middle of described interlude stainless steel inner core top is provided with; Connect by lap joint flange between the segmentation of described stainless steel inner core; Described hypomere stainless steel inner core is fixedlyed connected with the welding of hypomere carbon steel outer with the support channel-section steel by supporting base plate; Described crosswise fixed longitudinal sliding motion structure comprises the sleeve fixed head that is connected with the carbon steel outer horizontal fixed, on the described sleeve fixed head sliding sleeve is housed, and the inwall of described sliding sleeve is provided with the some sliding fulcrums with the sliding-contact of stainless steel inner core; Described upper limit structure comprises the cone-shaped hood that is welded on epimere stainless steel inner core top, the top board of being located at epimere carbon steel outer top, and the top board sleeve is housed on the described top board, and described top board sleeve is between epimere stainless steel inner core and cone-shaped hood; Position limiting structure is the limiting plate that is welded on the outer wall of interlude stainless steel inner core top in the middle of described; Be welded with hanger on the top inwall of described each segmentation carbon steel outer; Be welded with guide strip on the junction inwall between the segmentation of described stainless steel inner core; Described lap joint flange comprises upper flange plate, spacer flanger dish and lower flange, and described upper flange plate is connected by bolt is secondary with lower flange; Described carbon steel outer segmentation is fixedlyed connected with the bolt pair by outward flange; Single inner core, two inner core or many inner cores can be set in the described carbon steel outer.
Advantage of the present invention is:
1. the present invention is fixing with tube bottom in the hypomere stainless steel and the welding of hypomere carbon steel outer by supporting base plate and supporting channel-section steel, supports base plate and supports whole deadweights that channel-section steel bears the stainless steel inner core;
2. stainless steel inner core of the present invention top is connected assurance stainless steel inner core by special construction does not rock with the carbon steel outer crosswise fixed, and the stainless steel inner core can slide so that install in the vertical;
3. epimere stainless steel inner core of the present invention is connected with the epimere carbon steel outer with the top board sleeve by top board, and spacing with cone-shaped hood, guarantees that the installation site is reliable;
4. the present invention is provided with hanger, guide strip, lap joint flange and limiting plate in structure, makes installation process convenient and strength-saving.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the annexation schematic diagram of hypomere carbon steel outer and hypomere stainless steel inner core;
Fig. 3 is the schematic diagram of crosswise fixed longitudinal sliding motion structure;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the middle position limiting structure schematic diagram at interlude stainless steel inner core top;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the upper limit structural representation at epimere stainless steel inner core top;
Fig. 8 is the structural representation of lap joint flange;
Fig. 9 is the structural representation of urceolus bearing;
Figure 10 is the C-C sectional view of Fig. 9.
Wherein: 1 is carbon steel outer; 101 is the hypomere carbon steel outer; 102 is the interlude carbon steel outer; 103 is the epimere carbon steel outer;
2 is the stainless steel inner core; 201 is hypomere stainless steel inner core; 202 is interlude stainless steel inner core; 203 is epimere stainless steel inner core;
3 for supporting base plate; 4 for supporting channel-section steel; 5 is the sleeve fixed head; 6 is sliding sleeve; 7 is sliding fulcrum; 8 is cone-shaped hood; 9 is top board; 10 is the top board sleeve; 11 is hanger; 12 is guide strip; 13 is limiting plate; 14 is lap joint flange; 15 is outward flange; 16 is upper flange plate; 17 is the spacer flanger dish; 18 is lower flange.
The specific embodiment
Embodiment: a kind of inner and outer barrel type free-standing steel chimney, as shown in Figure 1, combine by a carbon steel outer 1 and two stainless steel inner cylinders 2, the diameter of described carbon steel outer 1 is 2300mm, highly be 48500mm, the diameter of described stainless steel inner core 2 is respectively Φ 800mm and 1100mm, highly is 50000mm, and promptly stainless steel inner core 2 tops exceed carbon steel outer 1 top 1500mm.Described carbon steel outer 1 is formed by being three big sections with stainless steel inner core 2.
As shown in Figure 2, in distance hypomere carbon steel outer 101 basic flange bottom 3000mm eminences, it is fixing to adopt steel to support base plate 3 and support channel-section steel 4 reinforcements such as grade and 101 welding of hypomere carbon steel outer, hypomere stainless steel inner core 201 bottoms are weldingly fixed on to be supported on the base plate 3, and described steel supports base plate 3 and supports the total weight that channel-section steel 4 is used to bear stainless steel inner core 2.
As shown in Figure 3, Figure 4, described hypomere stainless steel inner core 201 tops, interlude stainless steel inner core 202 tops are connected with carbon steel outer 1 by crosswise fixed longitudinal sliding motion structure respectively; Described crosswise fixed longitudinal sliding motion structure comprises the sleeve fixed head 5 that is connected with carbon steel outer 1 horizontal fixed, two sliding sleeves 6 are housed on the described sleeve fixed head 5, described sliding sleeve 6 is set in corresponding with it stainless steel inner core 2 outsides respectively, be located on sliding sleeve 6 inwalls outside the minor diameter stainless steel inner core 2 and be evenly equipped with four sliding fulcrums 7, be located on sliding sleeve 6 inwalls outside the major diameter stainless steel inner core 2 and be evenly equipped with six sliding fulcrums 7, described stainless steel inner core 2 can be along sliding fulcrum 7 free landings.
As shown in Figure 7, described epimere stainless steel inner core 203 tops are connected with epimere carbon steel outer 103 tops by the upper limit structure; Described upper limit structure comprises the cone-shaped hood 8 that is welded on epimere stainless steel inner core 203 tops, the top board 9 of being located at epimere carbon steel outer 103 tops, on the described top board 9 top board sleeve 10 is housed, described top board sleeve 10 is between epimere stainless steel inner core 203 and cone-shaped hood 8.
As shown in Figure 8, connect by lap joint flange 14 between described each section stainless steel inner core 2, described lap joint flange 14 comprises upper flange plate 16, spacer flanger dish 17 and lower flange 18, and described upper flange plate 16 is connected by bolt is secondary with lower flange 18.
As Fig. 3, Fig. 5, shown in Figure 7, be welded with board-like hanger 11 on the top inwall of described each section carbon steel outer 1, in installation process, be convenient to lift by crane and play the effect of guide-localization.As Fig. 3, shown in Figure 5, be welded with guide strip 12 on the junction inwall between described stainless steel inner core 2 segmentations, be convenient to achieve a butt joint exactly smoothly between each section stainless steel inner core 2.As Fig. 5, shown in Figure 6, be welded with limiting plate 13 on the top outer wall of described interlude stainless steel inner core 202, the stainless steel inner core 2 in the landing process is played position-limiting action.As Fig. 3, shown in Figure 5, described each section carbon steel outer 1 is fixedlyed connected with the bolt pair by the outward flange 15 of end.
Described inner and outer barrel type free-standing steel chimney needs to rely on three auxiliary urceolus bearings in installation process, highly be 380mm, its structure such as Fig. 9, shown in Figure 10.
Described carbon steel outer 1 is made in factory's segmental machining with stainless steel inner core 2, and three sections stainless steel inner cores 2 are respectively charged in the carbon steel outer 1, checks to be transported to the scene after errorless.During installation, at first by being welded on the inside little curved hanger 11 lifting hypomere carbon steel outer 101 on the hypomere carbon steel outer 101 top inwalls, hanger 11 can play the guide-localization effect when mounted.The bottom of described hypomere stainless steel inner core 201 and hypomere carbon steel outer 101 are that welding is fixing, and the top flange of hypomere stainless steel inner core 201 exceeds hypomere carbon steel outer 101 end face flange 100mm.It is good to treat with basic fixed, adjusting stack shell vertically waits after hours, use three urceolus bearings of the uniform installation of high-strength bolt in adpting flange end, the top of hypomere carbon steel outer 101, lift by crane interlude carbon steel outer 102 then, because interlude stainless steel inner core 202 free landing 400mm and stop at limiting plate 13 places under action of gravity, 300mm is stretched out from the bottom of interlude carbon steel outer 102 in the bottom of interlude stainless steel inner core 202 at this moment, add the hypomere stainless steel inner core 201 tops hypomere carbon steel outer 101 top 100mm of emerging, then the distance between the flange of the flange at hypomere carbon steel outer 101 tops and interlude carbon steel outer 102 bottoms is 400mm, greater than the height of urceolus bearing, satisfy the mounting condition of urceolus bearing.Flange and three urceolus bearings of interlude carbon steel outer 102 bottoms are temporary fixed with high-strength bolt, interlude stainless steel inner core 202 can dock with hypomere stainless steel inner core 201 smoothly exactly by guide strip 12, and this moment, the constructor can enter the carbon steel outer 1 inner lap joint flange 14 of installing by the space that three urceolus bearings form to connect interlude stainless steel inner core 202 and hypomere stainless steel inner core 201.Remove three interim urceolus bearings after finishing, and interlude carbon steel outer 102 is fallen, on the scaffold that the constructor can externally build, or by hang over the flange of the mounting platform connection carbon steel outer 1 on the stack shell temporarily.At last, epimere carbon steel outer 103 is installed after the same method, difference is that epimere stainless steel inner core 203 is to realize spacing by cone-shaped hood 8, distance between the taper surface lower end of described top board sleeve 10 tops and cone-shaped hood 8 is greater than 380mm, promptly be greater than the height of urceolus bearing, the feasible mounting condition that satisfies the urceolus bearing.
What adopt in the present embodiment is two interior cartridge types, and this technical scheme is equally applicable to single interior cartridge type and Duo Nei cartridge type.The present invention is fixing with hypomere stainless steel inner core 201 bottoms and 101 welding of hypomere carbon steel outer by supporting base plate 3 and supporting channel-section steel 4, supports base plate 3 and supports whole deadweights that channel-section steel 4 bears stainless steel inner core 2; Stainless steel inner core of the present invention 2 tops are connected assurance stainless steel inner core 2 by special construction does not rock with carbon steel outer 1 crosswise fixed, and stainless steel inner core 2 can slide so that install in the vertical; Epimere stainless steel inner core 203 of the present invention is connected with epimere carbon steel outer 103 with top board sleeve 10 by top board 9, and spacing with cone-shaped hood 8, guarantees that the installation site is reliable; The present invention is provided with hanger 11, guide strip 12, lap joint flange 14 and limiting plate 13 in structure, make installation process convenient and strength-saving.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (10)
1. inner and outer barrel type free-standing steel chimney, comprise a carbon steel outer (1), be installed on the stainless steel inner core (2) in the carbon steel outer (1), described carbon steel outer (1) and stainless steel inner core (2) are made up of plurality of segments, it is characterized in that: fixedly connected with hypomere carbon steel outer (101) by reinforcement in described hypomere stainless steel inner core (201) bottom; Described hypomere stainless steel inner core (201) top is connected with carbon steel outer (1) by crosswise fixed longitudinal sliding motion structure respectively with interlude stainless steel inner core (202) top; Described epimere stainless steel inner core (203) top is connected with epimere carbon steel outer (103) top by the upper limit structure; Position limiting structure in the middle of described interlude stainless steel inner core (202) top is provided with; Connect by lap joint flange (14) between described stainless steel inner core (2) segmentation.
2. inner and outer barrel type free-standing steel chimney according to claim 1 is characterized in that: described hypomere stainless steel inner core (201) is fixedlyed connected with hypomere carbon steel outer (101) welding with support channel-section steel (4) by supporting base plate (3).
3. inner and outer barrel type free-standing steel chimney according to claim 1, it is characterized in that: described crosswise fixed longitudinal sliding motion structure comprises the sleeve fixed head (5) that is connected with carbon steel outer (1) horizontal fixed, sliding sleeve (6) is housed on the described sleeve fixed head (5), and the inwall of described sliding sleeve (6) is provided with the some sliding fulcrums (7) with stainless steel inner core (2) sliding-contact.
4. inner and outer barrel type free-standing steel chimney according to claim 1, it is characterized in that: described upper limit structure comprises the cone-shaped hood (8) that is welded on epimere stainless steel inner core (203) top, the top board (9) of being located at epimere carbon steel outer (103) top, top board sleeve (10) is housed on the described top board (9), and described top board sleeve (10) is positioned between epimere stainless steel inner core (203) and the cone-shaped hood (8).
5. inner and outer barrel type free-standing steel chimney according to claim 1 is characterized in that: position limiting structure is for being welded on the limiting plate (13) on the outer wall of interlude stainless steel inner core (202) top in the middle of described.
6. inner and outer barrel type free-standing steel chimney according to claim 1 is characterized in that: be welded with hanger (11) on the top inwall of described each segmentation carbon steel outer (1).
7. inner and outer barrel type free-standing steel chimney according to claim 1 is characterized in that: be welded with guide strip (12) on the junction inwall between described stainless steel inner core (2) segmentation.
8. inner and outer barrel type free-standing steel chimney according to claim 1, it is characterized in that: described lap joint flange (14) comprises upper flange plate (16), spacer flanger dish (17) and lower flange (18), and described upper flange plate (16) is connected by bolt is secondary with lower flange (18).
9. inner and outer barrel type free-standing steel chimney according to claim 1 is characterized in that: described carbon steel outer (1) segmentation is fixedlyed connected with the bolt pair by outward flange (15).
10. inner and outer barrel type free-standing steel chimney according to claim 1 is characterized in that: single inner core, two inner core or many inner cores can be set in the described carbon steel outer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101608459A CN101806162B (en) | 2010-04-30 | 2010-04-30 | Inner and outer barrel type free-standing steel chimney |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101608459A CN101806162B (en) | 2010-04-30 | 2010-04-30 | Inner and outer barrel type free-standing steel chimney |
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| CN101806162A true CN101806162A (en) | 2010-08-18 |
| CN101806162B CN101806162B (en) | 2012-04-18 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389268A (en) * | 2014-11-14 | 2015-03-04 | 中铁大桥局集团第二工程有限公司 | Steel tower column with positioning structure and hoisting construction method thereof |
| CN104989166A (en) * | 2015-07-15 | 2015-10-21 | 中国能源建设集团广东省电力设计研究院有限公司 | Support structure for chimney internal steel cylinders |
| 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 |
| CN108862005A (en) * | 2018-09-13 | 2018-11-23 | 安徽马钢设备检修有限公司 | A kind of major diameter steel thermal-insulating chimney assembly and disassembly methods |
| CN109322408A (en) * | 2018-10-31 | 2019-02-12 | 中国二十冶集团有限公司 | Steel plate shear force wall installation method |
| CN112780097A (en) * | 2021-01-26 | 2021-05-11 | 苏州泰高烟囱科技有限公司 | Flange connection self-supporting chimney in sleeve |
| CN114046083A (en) * | 2021-11-22 | 2022-02-15 | 中国十九冶集团有限公司 | Construction method for building steel inner cylinder chimney |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389268A (en) * | 2014-11-14 | 2015-03-04 | 中铁大桥局集团第二工程有限公司 | Steel tower column with positioning structure and hoisting construction method thereof |
| CN104989166A (en) * | 2015-07-15 | 2015-10-21 | 中国能源建设集团广东省电力设计研究院有限公司 | Support structure for chimney internal steel cylinders |
| 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 |
| CN108862005A (en) * | 2018-09-13 | 2018-11-23 | 安徽马钢设备检修有限公司 | A kind of major diameter steel thermal-insulating chimney assembly and disassembly methods |
| CN109322408A (en) * | 2018-10-31 | 2019-02-12 | 中国二十冶集团有限公司 | Steel plate shear force wall installation method |
| CN112780097A (en) * | 2021-01-26 | 2021-05-11 | 苏州泰高烟囱科技有限公司 | Flange connection self-supporting chimney in sleeve |
| CN114046083A (en) * | 2021-11-22 | 2022-02-15 | 中国十九冶集团有限公司 | Construction method for building steel inner cylinder chimney |
| CN114046083B (en) * | 2021-11-22 | 2022-12-13 | 中国十九冶集团有限公司 | Construction method for building steel inner cylinder chimney |
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| Publication number | Publication date |
|---|---|
| CN101806162B (en) | 2012-04-18 |
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