CN210264131U - Rain-proof cover of steel sleeve chimney barrel head - Google Patents
Rain-proof cover of steel sleeve chimney barrel head Download PDFInfo
- Publication number
- CN210264131U CN210264131U CN201920861518.2U CN201920861518U CN210264131U CN 210264131 U CN210264131 U CN 210264131U CN 201920861518 U CN201920861518 U CN 201920861518U CN 210264131 U CN210264131 U CN 210264131U
- Authority
- CN
- China
- Prior art keywords
- inner cylinder
- rain
- steel inner
- cover
- cylinder
- 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.)
- Active
Links
Images
Landscapes
- Working Measures On Existing Buildindgs (AREA)
Abstract
The utility model relates to a building structure technical field of power plant specifically indicates a first rain-proof cover of steel sleeve chimney barrel. The device comprises a ring of cylinder head platform which is fixed on the inner side of the concrete outer cylinder and surrounds the outer side of the steel inner cylinder, and a rain cover; the rain cover comprises a circle of top cover fixed on the outer side wall body of the steel inner cylinder; the top cover is of a vertical inclined plate-shaped structure between the top end of the concrete outer cylinder and the cylinder head platform, and the inclined upper end of the top cover is fixed on the outer side of the steel inner cylinder; a drainage structure for receiving rainwater dripped from the top cover and discharging the rainwater to the outside of the concrete outer cylinder is arranged on the cylinder head platform; the inclined lower end of the top cover extends to the position right above the drainage structure and is overlapped with the drainage structure in the vertical direction. The utility model discloses a rain-proof cover simple structure, cooperation drainage structures uses, can effectively avoid wind-force directly to cover with rain-proof, and the rainwater directly discharges the concrete urceolus outside, need not to introduce new drainage facility, has very big spreading value.
Description
Technical Field
The utility model relates to a building structure technical field of power plant specifically indicates a first rain-proof cover of steel sleeve chimney barrel.
Background
The steel sleeve chimney is characterized in that one or more steel smoke exhaust pipes are arranged in a reinforced concrete outer cylinder and mainly comprises a load-bearing reinforced concrete outer cylinder, an overhaul supporting platform, a steel inner cylinder supported on a foundation or a platform and a heat insulation layer.
The steel sleeve chimney adopts a structural form that the bearing outer cylinder is separated from the inner cylinder, the bearing outer cylinder does not directly bear the high temperature and the corrosion action of the flue gas, and the steel sleeve chimney has the characteristics of convenience in maintenance, high structural reliability and the like, and is a chimney structural form widely adopted by a thermal power plant at present. Because of steel sleeve chimney urceolus and inner tube throw off, be provided with each layer between the interior urceolus and overhaul the platform, consequently need carry out rain-proof design to clearance department between the interior urceolus, prevent that the rainwater from getting into inside the chimney. At present, the rain shielding device is arranged at the head of the steel inner cylinder, the reliability of the rain shielding device has certain influence on the safety of the maintenance platform of the inner cylinder and the outer cylinder, and the corrosion resistance of the outer wall of the steel inner cylinder and the maintenance platform.
Like the chinese utility model patent of "a first rain-proof cover system of cavity formula chimney section of thick bamboo" of the name of patent number for "CN 207599763U", this patent protection's rain-proof structure sets up rain-proof cover through the outside at the inner tube of discharging fume, and the outside of rain-proof cover sets up the stainless steel brim of a hat, and in rain-proof cover can effectively completely cut off the rainwater and enter into the inner tube of discharging fume, the overlap joint of stainless steel brim of a hat one end was in the rain-proof cover outside, and one end extends to outside the outer tube wall, avoids the rainwater to enter into between inner tube and the. However, the arrangement structure has some design defects, and as the rain cover and the stainless steel brim are completely outside the whole chimney, the non-protection structure is extremely easy to damage, and particularly under the condition of large wind power, the problem of collapse and damage can occur, and the safety is seriously influenced. In addition, rainwater falling to the rain cover and the stainless steel brim is finally collected on the stainless steel brim, although the stainless steel brim is provided with the drain hole, the rainwater is discharged between the inner cylinder and the outer cylinder, and the rainwater needs to be discharged through a drainage structure in the chimney, so that the process is complicated, and the safety is influenced.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and providing a first rain cover of a steel sleeve chimney barrel.
The technical scheme of the utility model is that: the utility model provides a first rain-proof cover of steel sleeve chimney barrel, is including fixing at the concrete urceolus inboard and encircle the first platform of a round section of thick bamboo in the steel inner tube outside, its characterized in that: also comprises a rain cover; the rain cover comprises a circle of top cover fixed on the outer side wall body of the steel inner cylinder; the top cover is of a vertical inclined plate-shaped structure between the top end of the concrete outer cylinder and the cylinder head platform, and the inclined upper end of the top cover is fixed on the outer side of the steel inner cylinder; a drainage structure for receiving rainwater dripped from the top cover and discharging the rainwater to the outside of the concrete outer cylinder is arranged on the cylinder head platform; the inclined lower end of the top cover extends to the position right above the drainage structure and is overlapped with the drainage structure in the vertical direction.
A circle of vertical plates are arranged at the inclined lower end of the top cover; the riser upper end is fixed at top cap slope lower extreme, and the lower extreme extends to drainage structures's top along vertical.
The drainage structure further comprises a drainage ditch and a rainwater pipe; the drainage ditch comprises a bottom plate fixed on the drum head platform; the upper end surface of the bottom plate is gradually inclined downwards from the steel inner cylinder to the concrete outer cylinder, and one end, close to the steel inner cylinder, of the bottom plate is located between the vertical plate and the steel inner cylinder; the upper end of the rainwater pipe is connected with the low-lying position of the bottom plate, and the lower end of the rainwater pipe penetrates through the bottom plate, the barrel head platform and the concrete outer barrel and is located outside the concrete outer barrel.
A side wall is further arranged at one end, close to the steel inner cylinder, of the bottom plate; the lower end of the side wall is fixed at one end, close to the steel inner cylinder, of the bottom plate, and the upper end of the side wall vertically extends to the position above the lower end of the vertical plate.
A circle of stiffening ribs which play a role in transverse support are further arranged between the vertical plate and the steel inner cylinder; the stiffening ribs are horizontally and transversely arranged, and the inner ends and the outer ends of the stiffening ribs are respectively fixed on the steel inner cylinder and the vertical plate.
And a heat insulation structure is further arranged on the end face of the outer side of the circumference of the steel inner cylinder.
The heat insulation structure further comprises a heat insulation layer coated on the end face of the outer side of the circumference of the steel inner cylinder and an outer attachment plate fixed on the outer side of the heat insulation layer and positioned at the head position of the steel inner cylinder; the top cover is fixed on the end face of the outer side of the outer pasting plate.
The utility model has the advantages that: 1. the rain cover is arranged on the inner side of the concrete outer barrel, so that the damage to the rain cover under the condition of high wind power can be avoided, the rain cover is more convenient to mount, and the manufacturing cost is lower;
2. the drainage structure is arranged on the inner side of the concrete outer barrel, rainwater dropping on the rain cover is discharged out of the concrete outer barrel through the drainage structure, the discharge mode is simple, and the rainwater is prevented from entering the concrete outer barrel and needing to be discharged by other drainage facilities;
3. the vertical plates and the side walls in the drainage structure are arranged in a staggered manner, so that rainwater is prevented from flying into the concrete outer cylinder under the action of wind power, the structure is simple, and the rainwater blocking effect is good;
4. the stiffening ribs arranged horizontally can improve the connection strength of the vertical plates, avoid the damage of the vertical plates and prolong the service life of the rain cover.
The utility model discloses a rain-proof cover simple structure, cooperation drainage structures uses, can effectively avoid wind-force directly to cover with rain-proof, and the rainwater directly discharges the concrete urceolus outside, need not to introduce new drainage facility, has very big spreading value.
Drawings
FIG. 1: the structure of the utility model is shown schematically;
wherein: 1-steel inner cylinder; 2, insulating layer; 3, externally pasting a board; 4-concrete outer cylinder; 5, a top cover; 6-vertical plate; 7-a stiffening rib; 8-a cartridge head platform; 9-a rainwater pipe; 10, a maintenance platform; 11-a base plate; 12-side walls.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1, the steel inner cylinder 1 of the embodiment is located inside the concrete outer cylinder 4, the cylinder head part of the steel inner cylinder 1 exceeds the concrete outer cylinder 4, the rain cover is installed at the cylinder head part of the steel inner cylinder 1, and the rain cover is located inside the concrete outer cylinder 4, so that the wind power at the top of the chimney can be prevented from being directly applied to the rain cover to damage the rain cover.
The head position of the steel inner cylinder 1 is provided with a heat insulation structure, and as shown in fig. 1, the heat insulation structure comprises a heat insulation layer 2 coated on the end face of the outer side of the circumference of the steel inner cylinder 1 and an outer attachment plate 3 fixed on the outer side of the heat insulation layer 2 and positioned at the head position of the steel inner cylinder 1. The rain-proof cover of this embodiment is installed on outer flitch 3.
As shown in fig. 1, the rain cover comprises a circle of top cover 5 fixed on the outer side wall body of the steel inner cylinder 1, the top cover 5 surrounds the steel inner cylinder 1 and is arranged in a vertical inclined manner, and the inclined upper end is fixed on the outer side end face of the outer attachment plate 3. The inclined lower end extends to the concrete outer cylinder 4 along the radial direction of the steel inner cylinder 1. The top of the slope upper end of top cap 5 does not surpass the top of concrete urceolus 4 in vertical direction, therefore whole rain-proof cover is in the inboard of concrete urceolus 4 in fact, and concrete urceolus 4 can effectively completely cut off the influence of wind-force to rain-proof cover. In order to enhance the stability, a circle of stiffening ribs 7 which play a role of transverse support are arranged between the vertical plate 6 and the steel inner cylinder 1, the stiffening ribs 7 are horizontally and transversely arranged, and the inner end and the outer end of each stiffening rib are respectively fixed on the steel inner cylinder 1 and the vertical plate 6.
In addition, this embodiment is provided with a round of riser 6 at the slope lower extreme of top cap 5, and the rainwater that drips on top cap 5 can drip to the concrete urceolus 4 inboard through riser 6, and this embodiment is provided with drainage structures under riser 6, and drainage structures installs on the first platform 8 of the inboard section of thick bamboo of concrete urceolus 4, and first platform 8 of section of thick bamboo is around the annular structure in the steel inner tube 1 outside, and first platform 8 of section of thick bamboo is fixed in the concrete urceolus 4 inboard, and leaves the clearance with steel inner tube 1. As shown in fig. 1, the drainage structure includes a drainage ditch and a rainwater pipe 9, the drainage ditch includes a bottom plate 11 fixed on the drum head platform 8, the upper end surface of the bottom plate 11 is gradually inclined downwards from the steel inner cylinder 1 to the concrete outer cylinder 4, one end of the bottom plate 11 close to the steel inner cylinder 1 is located between the vertical plate 6 and the steel inner cylinder 1, the upper end of the rainwater pipe 9 is connected with the low-lying part of the bottom plate 11, and the lower end passes through the bottom plate 11, the drum head platform 8 and the concrete outer cylinder 4 and is located outside the concrete outer cylinder 4.
One end of the bottom plate 11 close to the steel inner cylinder 1 is provided with a side wall 12, the lower end of the side wall 12 is fixed at one end of the bottom plate 11 close to the steel inner cylinder 1, and the upper end of the side wall vertically extends to the position above the lower end of the vertical plate 6. The vertical plates 6 and the side walls 12 are arranged in a staggered mode, so that rainwater can be prevented from entering the lower portion of the barrel head platform 8.
During the use, the rainwater drips to top cap 5, on dripping bottom plate 11 along riser 6, directly discharges the concrete urceolus 4 outside through the downspout 9 on the bottom plate 11.
The tube head platform 8 of the present embodiment is an inspection platform installed at the tube head position of the concrete outer tube 4, and as shown in fig. 1, the tube head platform 8 has the same structure as the inspection platform 10 installed at the middle part of the concrete outer tube 4.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a first rain-proof cover of steel sleeve chimney barrel, is including fixing at concrete urceolus (4) inboard and encircle a circle first platform (8) in steel inner tube (1) outside, its characterized in that: also comprises a rain cover; the rain cover comprises a circle of top cover (5) fixed on the outer side wall body of the steel inner cylinder (1); the top cover (5) is of a vertical inclined plate-shaped structure between the top end of the concrete outer cylinder (4) and the cylinder head platform (8), and the inclined upper end of the top cover (5) is fixed on the outer side of the steel inner cylinder (1); a drainage structure for receiving rainwater dropped from the top cover (5) and discharging the rainwater to the outside of the concrete outer barrel (4) is arranged on the barrel head platform (8); the inclined lower end of the top cover (5) extends to the position right above the drainage structure and is overlapped with the drainage structure in the vertical direction.
2. The steel sleeve chimney nose rain shield of claim 1, wherein: a circle of vertical plates (6) are arranged at the inclined lower end of the top cover (5); the upper end of the vertical plate (6) is fixed at the inclined lower end of the top cover (5), and the lower end of the vertical plate vertically extends to the upper part of the drainage structure.
3. The steel sleeve chimney nose rain shield of claim 2, wherein: the drainage structure comprises a drainage ditch and a rainwater pipe (9); the drainage ditch comprises a bottom plate (11) fixed on the cylinder head platform (8); the upper end surface of the bottom plate (11) is gradually inclined downwards from the steel inner cylinder (1) to the concrete outer cylinder (4), and one end, close to the steel inner cylinder (1), of the bottom plate (11) is located between the vertical plate (6) and the steel inner cylinder (1); the upper end of the rainwater pipe (9) is connected with the low-lying position of the bottom plate (11), and the lower end of the rainwater pipe penetrates through the bottom plate (11), the barrel head platform (8) and the concrete outer barrel (4) and is located outside the concrete outer barrel (4).
4. The steel sleeve chimney nose rain shield of claim 3, wherein: a side wall (12) is arranged at one end of the bottom plate (11) close to the steel inner cylinder (1); the lower end of the side wall (12) is fixed at one end of the bottom plate (11) close to the steel inner cylinder (1), and the upper end of the side wall vertically extends to the position above the lower end of the vertical plate (6).
5. The first rain cover of the steel sleeve chimney as claimed in any one of claims 2 to 4, wherein: a circle of stiffening ribs (7) playing a role of transverse support are arranged between the vertical plate (6) and the steel inner cylinder (1); the stiffening ribs (7) are horizontally and transversely arranged, and the inner ends and the outer ends of the stiffening ribs are respectively fixed on the steel inner cylinder (1) and the vertical plate (6).
6. The steel sleeve chimney nose rain shield of claim 1, wherein: and a heat insulation structure is arranged on the end face of the outer side of the circumference of the steel inner cylinder (1).
7. The steel sleeve chimney nose rain shield of claim 6, wherein: the heat insulation structure comprises a heat insulation layer (2) coated on the end face of the outer side of the circumference of the steel inner cylinder (1) and an outer attachment plate (3) fixed on the outer side of the heat insulation layer (2) and positioned at the cylinder head position of the steel inner cylinder (1); the top cover (5) is fixed on the end face of the outer side of the outer pasting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920861518.2U CN210264131U (en) | 2019-06-10 | 2019-06-10 | Rain-proof cover of steel sleeve chimney barrel head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920861518.2U CN210264131U (en) | 2019-06-10 | 2019-06-10 | Rain-proof cover of steel sleeve chimney barrel head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210264131U true CN210264131U (en) | 2020-04-07 |
Family
ID=70041393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920861518.2U Active CN210264131U (en) | 2019-06-10 | 2019-06-10 | Rain-proof cover of steel sleeve chimney barrel head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210264131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827595A (en) * | 2020-08-14 | 2020-10-27 | 河南中烟工业有限责任公司 | Rainwater-proof boiler chimney |
-
2019
- 2019-06-10 CN CN201920861518.2U patent/CN210264131U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827595A (en) * | 2020-08-14 | 2020-10-27 | 河南中烟工业有限责任公司 | Rainwater-proof boiler chimney |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9587893B2 (en) | Air introduction system and method for cooling towers | |
| CN210264131U (en) | Rain-proof cover of steel sleeve chimney barrel head | |
| CN106013633A (en) | Safety guarantee system for standing type dual-engaged accessible roof and mounting process of safety guarantee system | |
| CN102561787A (en) | Anticorrosive composite chimney unit and chimney | |
| CN204806425U (en) | Flue gas condensation dewfall acidizing fluid collection device for chimney in glass steel | |
| CN204786483U (en) | Flue gas condensation dewfall acidizing fluid collection device for chimney in glass steel | |
| CN204531582U (en) | The corrosion-resistant Novel chimney of a kind of sulfuric acid apparatus | |
| CN207253926U (en) | A kind of chimney rain collection device | |
| CN202416973U (en) | Anti-corrosion compound chimney unit and chimney | |
| CN102661075B (en) | Method for manufacturing sectional chimney with single-barrel concrete structure and | |
| CN106338078A (en) | Smoke condensed dew acid liquid collecting device for glass fiber reinforced plastic inner chimney | |
| CN105507502A (en) | Roof rainwater flow guiding device | |
| CN209317226U (en) | A kind of stability steel stack of dehydration drainage | |
| CN210003453U (en) | Rainproof device of tower, tower and wind generating set | |
| CN106765240B (en) | Device for washing down smoke-proof feather of chimney | |
| CN207776299U (en) | A kind of rainhat | |
| CN111827595A (en) | Rainwater-proof boiler chimney | |
| CN212651623U (en) | Novel geometric symmetry's absorption tower exhanst gas outlet device | |
| CN216431775U (en) | Sleeve type chimney top anti-corrosion structure | |
| CN212224787U (en) | Box-type variable condensed water flow guide structure | |
| CN207069491U (en) | A kind of retarding corrosion-resisting cable bridge frame | |
| CN212805699U (en) | Condensation rain shield for steel chimney discharge port | |
| JP5288262B2 (en) | Steel pipe inner surface condensation control mechanism | |
| CN208687759U (en) | A kind of exhaust chimney | |
| CN113565009B (en) | Combined stay cable general cap capable of being installed rapidly and installation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee after: Hubei Electric Power Planning, Design and Research Institute Co.,Ltd. Address before: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee before: POWERCHINA HUBEI ELECTRIC ENGINEERING Corp.,Ltd. |