CN107559855A - A kind of cavity type chimney barrel head rain-proof cover systems - Google Patents
A kind of cavity type chimney barrel head rain-proof cover systems Download PDFInfo
- Publication number
- CN107559855A CN107559855A CN201710961952.3A CN201710961952A CN107559855A CN 107559855 A CN107559855 A CN 107559855A CN 201710961952 A CN201710961952 A CN 201710961952A CN 107559855 A CN107559855 A CN 107559855A
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- China
- Prior art keywords
- rain
- inner cylinder
- rain cover
- cavity
- titanium
- Prior art date
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- Pending
Links
- 239000000779 smoke Substances 0.000 claims abstract description 23
- 229910001200 Ferrotitanium Inorganic materials 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 24
- 239000010935 stainless steel Substances 0.000 claims description 24
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 15
- 239000010936 titanium Substances 0.000 claims description 15
- 229910052719 titanium Inorganic materials 0.000 claims description 15
- 239000011491 glass wool Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 claims 2
- 238000005260 corrosion Methods 0.000 abstract description 14
- 230000007797 corrosion Effects 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003973 paint Substances 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 14
- 101100226116 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) esa-1 gene Proteins 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000003916 acid precipitation Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
Abstract
The present invention provides a kind of cavity type chimney barrel head rain-proof cover systems, including the rain cover being looped around outside smoke evacuation inner cylinder, there is cavity between the rain cover and smoke evacuation inner cylinder, cavity is supported by connecting the supporting construction inside smoke evacuation inner tank theca and rain cover, and the top of smoke evacuation inner cylinder and rain cover is sealed by titanium steel composite board.The cavity type cylinder head structural thermal insulations effect of the present invention is good, bottom construction costs, reduces work high above the ground work amount and is more favorable for constructing.Rain cover bottom uses uses bottom plate outer rim internal buckle form with outer concrete stack shell junction, it is formed about in inner cylinder stack shell at corrosive liquid collection, corrosive liquids is discharged by interlayer between inner/outer tube, effectively avoid the corrosion to affiliated facilities such as outer tube wall navigation mark paints, it is ensured that the permanence of outer tube structure stability and outward appearance.
Description
Technical field
The present invention relates to a kind of chimney internal cylinder rain cover, more particularly to a kind of cavity type chimney barrel head rain-proof cover systems.
Background technology
According to《Code for design of chimneys》（GB50051-2013）Anticorrosion chapters and sections regulation：For wet flue gas operating condition bar
Part, it is proposed that using telescopic non-corrosive metal (NCM) liner, telescopic lightweight anti-corrosion brick lining or glass reinforced plastic inner cylinder, it is not recommended that choose monotubular
Formula chimney structure form；Therefore domestic desulfurization Wet chimney anti-corrosion transformation and newly-built chimney generally use telescoping structure form, i.e.,
Smoke evacuation system and concrete main body structure are arranged apart, the new vertical independent smoke evacuation steel cylinder inside original concrete chimney, and with
The large area of domestic wet desulfurization system is carried out, and common Steel Inner Core of Chimney has been not suitable with new operating condition, therefore is connect with flue gas
Contact portion point uses the form such as corrosion resistant metal or lightweight anti-corrosion brick, but protrudes concrete outer cylinder portion in chimney internal cylinder, faces
The harsh environments such as outside rainwater and ultraviolet and the more heavy corrosions of inside smoke diffusion acid rain etc., fume emission least significant end is used as at this
Position, the first device design form of this tin of design phase differs at present, but is designed according to traditional dry flue gas pattern, wherein close
There are some problems in the forms such as envelope mode, thermal retardation form, rainhat, on the one hand cause seal failure to face flue gas corrosion, separately
On the one hand easily trigger the first condensation of cylinder because heat insulation effect is poor, nearby acid rain and northern area icing phenomenon are caused, to chimney
Stable operation generates hidden danger.
Newly-built steel inner cylinder/titanium steel composite board inner tube type sleeve chimney is in cylinder header bits rain cover device generally using directly weldering
Stainless steel plate is connect, inside filling insulation class material, bottom is coated to platform at outer barrel and arranges enriched liquid to outside outer barrel
Wall causes the corrosion of navigation mark paint to come off.This kind of way, which has cylinder first place, which puts, can not form complete preservation layer, cylinder head rainhats with it is interior
There is anti-corrosion weak part in cylinder stack shell junction, and forced position is located at inner cylinder edge, be come off after being highly prone to corrosion.Another cylinder is first
Position causes temperature drop substantially to aggravate " being washed under misty rain " exacerbation due to lacking concrete tube wall, and misty rain and environment rainwater are in cylinder head platforms
Enrichment is trickled along outer barrel, causes concrete parts corrosion impact chimney outward appearance and security and stability.
The content of the invention
The present invention provides a kind of brand-new chimney barrel head cavity type rainhats so that cylinder head devices are in corrosion resistance and discharge cigarette
Rain and rainwater are reliable and stable, have high practical.
The present invention uses following technical scheme：
A kind of cavity type chimney barrel head rain-proof cover systems, including it is looped around the rain cover 6 outside smoke evacuation inner cylinder 1, the rain cover 6
There is cavity 8 between smoke evacuation inner cylinder 1, cavity 8 enters by connecting the supporting construction 9 inside the smoke evacuation outer wall of inner cylinder 1 and rain cover 6
Row support, the top of the smoke evacuation inner cylinder 1 and rain cover 6 are sealed by titanium steel composite board 7.
The outside of the smoke evacuation inner cylinder 1 of the cavity bottom is surrounded with heat-insulation layer 2, the outside of extra-fine glass-wool felt heat-insulation layer 2
Stainless steel layer is surrounded with, the junction of the stainless steel layer and rain cover 6 welds together.
The titanium steel composite board 7 and the Packed titanium joint strip I of outside weldings of the junction of smoke evacuation inner cylinder 1, the titanium steel
The junction of composite plate 7 and rain cover 6 sets the titanium joint strip II of sealing, the titanium joint strip II be affixed with titanium steel composite board 7 one
Is welded with titanium steel composite board 7 in side
The stainless steel the brim of a hat 4 that section is L-type is welded with the rain cover 6, the L-type stainless steel the brim of a hat 4 is buckled in the outer tube wall 3 of chimney
Outer wall, a line of the L-type stainless steel the brim of a hat 4 and the angle of top rain cover 6 be less than 90 degree, another a line and outer tube wall 3
Outside wall parallel or angle are acute angle, are provided with osculum 5 on the stainless steel the brim of a hat 4, and osculum 5 is located at rain cover 6 and outer
Gap location between barrel 3.
Beneficial effects of the present invention：（1）Cavity type cylinder head structural thermal insulations effect is good, bottom construction costs, reduces high-altitude work
Industry workload is more favorable for constructing.（2）Rain cover bottom uses uses bottom plate outer rim internal buckle with outer concrete stack shell junction
Form, it is formed about at corrosive liquid collection, corrosive liquids is discharged by interlayer between inner/outer tube, effectively in inner cylinder stack shell
Avoid the corrosion to affiliated facilities such as outer tube wall navigation mark paints, it is ensured that the permanence of outer tube structure stability and outward appearance.
Brief description of the drawings
Fig. 1 is the structure chart of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, the present invention provides a kind of cavity type chimney barrel head rain-proof cover systems, including it is looped around steel or titanium steel
The rain cover 6 of stainless steel outside composite plate smoke evacuation inner cylinder 1, has cavity 8, the sky between rain cover 6 and smoke evacuation inner cylinder 1
Chamber 8 is supported by connecting multiple supporting constructions 9 inside the smoke evacuation outer wall of inner cylinder 1 and rain cover 6, and the supporting construction is stainless
Steel steel plate, the supporting construction are at least welded with rain cover.The opening at smoke evacuation inner cylinder 1 and the top of rain cover 6 passes through ring-type
Titanium steel composite board 7 seals.
Titanium steel composite board 7 and the Packed titanium joint strip I of outside weldings of the junction of smoke evacuation inner cylinder 1, on titanium steel composite board 7
Layer be titanium plate, and its junction with rain cover 6 sets the titanium joint strip II of sealing, the side that titanium plate II and titanium steel composite board 7 are affixed
Welded with titanium steel composite board 7, opposite side is tightly affixed.
I.e. due to using titanium steel composite board ring flat-plate mode transition in top and stack shell junction, on the outside of annulus basic unit with it is stainless
Steel rain cover is welded, and inner side is connected with composite plate inner cylinder, in junction coated with titanium joint strip；Outside and stainless steel junction, top
For composite plate titanium layer, this position is welded coated with titanium angle joint strip and titanium layer, and because titanium can not be with stainless steel welded, bottom can refuse
Welding.Above-mentioned structure all can be respectively formed effective anticorrosive coat with smoke contacts position, on the one hand change traditional rain-proof
Cover top stress point position so that topmost antiseptic property is more excellent, while provides satisfactory texture support so that corrosive liquid
Body discharge downwards smooth in time.
Cavity 8 is used as cavity heat-insulation layer, and the outside of the smoke evacuation inner cylinder 1 of cavity bottom is surrounded with extra-fine glass-wool felt heat-insulation layer
2 or rock wool heat-preservation layer 2, the outside of extra-fine glass-wool felt heat-insulation layer 2 be surrounded with stainless steel layer, the stainless steel layer and rain cover 6
Junction weld together.In above-mentioned two-part insulation construction, cavity type insulation construction has than original blanket of glass wool/rock
The more excellent heat insulation effect of the traditional materials such as cotton, common heat-preservation cotton thermal conductivity factor is in 0.033-0.047W/MK scopes, and air seal
Thermal conductivity factor under state is 0.023W/MK or so, and the numerical value is substantially better than the lower limit of common heat-preservation cotton, therefore cavity type cylinder
First structural thermal insulation significant effect improves.Confined air cavate heat-insulation system can reduce construction costs, and the first processing one of cylinder simultaneously
As reprocessed after inner cylinder construction, therefore high-altitude working safety increased risk, present invention reduces work high above the ground work amount
It is more favorable for constructing.
Section is welded with rain cover 6 as the interior button-type stainless steel the brim of a hat 4 of the L-type overturned, the L-type stainless steel the brim of a hat 4 is buckled in
The outer wall of the outer tube wall 3 of chimney, a line of the L-type stainless steel the brim of a hat 4 are less than 90 degree, another with the angle of top rain cover 6
Side and the outside wall parallel or angle of outer tube wall 3 are acute angle, osculum 5 are provided with the stainless steel the brim of a hat 4, osculum 5 is positioned at anti-
Gap location between canopy 6 and outer tube wall 3.
The rain cover bottom of the present invention uses uses bottom plate outer rim internal buckle form with outer concrete stack shell junction, inside
Cylinder stack shell is formed about at corrosive liquid collection, and corrosive liquids is discharged by interlayer between inner/outer tube, is effectively avoided externally
The corrosion of the affiliated facilities such as barrel navigation mark paint, it is ensured that the permanence of outer tube structure stability and outward appearance.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as the present invention's
Protection domain.
Claims (4)
- A kind of 1. cavity type chimney barrel head rain-proof cover systems, it is characterised in that：Including being looped around smoke evacuation inner cylinder（1）Outside rain-proof Cover（6）, the rain cover（6）With inner cylinder of discharging fume（1）Between there is cavity（8）, cavity（8）By connecting inner cylinder of discharging fume（1）Outside Wall and rain cover（6）Internal supporting construction（9）It is supported, the smoke evacuation inner cylinder（1）And rain cover（6）Top pass through titanium Steel composite board（7）Sealing.
- A kind of 2. cavity type chimney barrel head rain-proof cover systems according to claim 1, it is characterised in that：The cavity bottom Smoke evacuation inner cylinder（1）Outside be surrounded with heat-insulation layer（2）, extra-fine glass-wool felt heat-insulation layer（2）Outside be surrounded with stainless steel layer, The stainless steel layer and rain cover（6）Junction weld together.
- A kind of 3. cavity type chimney barrel head rain-proof cover systems according to claim 1, it is characterised in that：The titanium steel is compound Plate（7）With inner cylinder of discharging fume（1）Junction the Packed titanium joint strip I of outside weldings, the titanium steel composite board（7）With rain cover （6）Junction set sealing titanium joint strip II, the titanium joint strip II and titanium steel composite board（7）The side being affixed and titanium steel are compound Plate（7）Welding.
- A kind of 4. cavity type chimney barrel head rain-proof cover systems according to claim 1, it is characterised in that：The rain cover （6）On be welded with section be L-type the stainless steel the brim of a hat（4）, the L-type stainless steel the brim of a hat（4）It is buckled in the outer tube wall of chimney（3）It is outer Wall, the L-type stainless steel the brim of a hat（4）A line and top rain cover（6）Angle be less than 90 degree, another a line and outer tube wall（3） Outside wall parallel or angle be acute angle, the stainless steel the brim of a hat（4）On be provided with osculum（5）, osculum（5）Positioned at rain-proof Cover（6）And outer tube wall（3）Between gap location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961952.3A CN107559855A (en) | 2017-10-17 | 2017-10-17 | A kind of cavity type chimney barrel head rain-proof cover systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961952.3A CN107559855A (en) | 2017-10-17 | 2017-10-17 | A kind of cavity type chimney barrel head rain-proof cover systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107559855A true CN107559855A (en) | 2018-01-09 |
Family
ID=60986500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710961952.3A Pending CN107559855A (en) | 2017-10-17 | 2017-10-17 | A kind of cavity type chimney barrel head rain-proof cover systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107559855A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742411A (en) * | 1993-07-28 | 1995-02-10 | Nkk Corp | Double cylinder type stack and construction method thereof |
| CN203893207U (en) * | 2014-04-24 | 2014-10-22 | 湖北省电力勘测设计院 | Smoke separating wall structure for titanium steel composite board steel chimney |
| CN104121594A (en) * | 2014-07-30 | 2014-10-29 | 上海迪夫格环境科技有限公司 | Device for protecting wet chimney inner cylinder wall against chimney rain and gypsum rain through electric tracing band |
| CN105091006A (en) * | 2014-05-15 | 2015-11-25 | 厦门嘉达声学技术有限公司 | Rain-proof noise eliminating funnel cap |
| CN205713409U (en) * | 2016-05-09 | 2016-11-23 | 江苏格普新材料有限公司 | A kind of fiber glass reinforced plastic chimney rain cap |
| CN106224991A (en) * | 2016-08-29 | 2016-12-14 | 昆山市华新电路板有限公司 | Chimney rainproof device |
| CN206540152U (en) * | 2017-03-01 | 2017-10-03 | 上海迪夫格环境科技有限公司 | A kind of Novel chimney |
| CN207599763U (en) * | 2017-10-17 | 2018-07-10 | 郑州科源耐磨防腐工程有限公司 | A kind of cavity type chimney barrel head rain-proof cover systems |
-
2017
- 2017-10-17 CN CN201710961952.3A patent/CN107559855A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742411A (en) * | 1993-07-28 | 1995-02-10 | Nkk Corp | Double cylinder type stack and construction method thereof |
| CN203893207U (en) * | 2014-04-24 | 2014-10-22 | 湖北省电力勘测设计院 | Smoke separating wall structure for titanium steel composite board steel chimney |
| CN105091006A (en) * | 2014-05-15 | 2015-11-25 | 厦门嘉达声学技术有限公司 | Rain-proof noise eliminating funnel cap |
| CN104121594A (en) * | 2014-07-30 | 2014-10-29 | 上海迪夫格环境科技有限公司 | Device for protecting wet chimney inner cylinder wall against chimney rain and gypsum rain through electric tracing band |
| CN205713409U (en) * | 2016-05-09 | 2016-11-23 | 江苏格普新材料有限公司 | A kind of fiber glass reinforced plastic chimney rain cap |
| CN106224991A (en) * | 2016-08-29 | 2016-12-14 | 昆山市华新电路板有限公司 | Chimney rainproof device |
| CN206540152U (en) * | 2017-03-01 | 2017-10-03 | 上海迪夫格环境科技有限公司 | A kind of Novel chimney |
| CN207599763U (en) * | 2017-10-17 | 2018-07-10 | 郑州科源耐磨防腐工程有限公司 | A kind of cavity type chimney barrel head rain-proof cover systems |
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Address after: No. 27, huxinhuan Road, west of huxinhuan road and north of huxinyi Road, Longzihu Island, Zhengdong New District, Zhengzhou City, Henan Province Applicant after: ZHENGZHOU KEYUAN WEAR-RESISTANT ANTI-CORROSION ENGINEERING CO., LTD. Applicant after: Huadian Zhengzhou Mechanical Design Institute Co., Ltd. Address before: 451162, Henan Province, Zhengzhou City, Xinzheng province Xue Zhen Road, north side of the north side of the road Applicant before: ZHENGZHOU KEYUAN WEAR-RESISTANT ANTI-CORROSION ENGINEERING CO., LTD. Applicant before: Huadian Zhengzhou Mechanical Design Institute Co., Ltd. |
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Address after: 451162 No.27, Huxin Ring Road, west of Huxin Ring Road and north of Huxin 1st Road, Longzihu Huxin Island, Zhengdong New District, Zhengzhou City, Henan Province Applicant after: Zhengzhou Huadian Energy Technology Co.,Ltd. Applicant after: HUADIAN ZHENGZHOU MECHANICAL DESIGN INSTITUTE Co.,Ltd. Address before: 450018 No.27 Huxin Ring Road, west of Huxin Ring Road and north of Huxin 1st Road, Longzihu Huxin Island, Zhengdong New District, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU KEYUAN WEAR RESISTANT ANTICORROSION ENGINEERING Co.,Ltd. Applicant before: HUADIAN ZHENGZHOU MECHANICAL DESIGN INSTITUTE Co.,Ltd. |
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