CN104989167B - A kind of chimney anticorrosion structure and its construction method - Google Patents
A kind of chimney anticorrosion structure and its construction method Download PDFInfo
- Publication number
- CN104989167B CN104989167B CN201510419525.3A CN201510419525A CN104989167B CN 104989167 B CN104989167 B CN 104989167B CN 201510419525 A CN201510419525 A CN 201510419525A CN 104989167 B CN104989167 B CN 104989167B
- Authority
- CN
- China
- Prior art keywords
- chimney
- titanium plate
- substrate
- basecoat material
- adhesive
- 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
Landscapes
- Chimneys And Flues (AREA)
Abstract
The invention discloses a kind of chimney anticorrosion structure, the anticorrosion structure includes priming coat (2), viscose glue oxidant layer (3) and the titanium plate layer (4) set gradually, priming coat (2) is applied and is located in chimney substrate (1), and titanium plate layer (4) is sticked on priming coat (2) by viscose glue oxidant layer (3).The invention also discloses a kind of construction method of chimney anticorrosion structure, comprise the following steps：Chimney substrate is cleared up；Brushing basecoat material in chimney substrate after the cleaning；The brushing adhesive after the basecoat material in chimney substrate cures, and paste titanium plate；Check repairing.The present invention is directly pasted the titanium plate of overlap joint on the structure sheaf of chimney using titanium plate adhesive, short with the construction period, the advantage such as low to site operation environmental requirement, while also solves the titanium plate problems of welded quality that construction site welding surroundings difference band comes.
Description
Technical field
The present invention relates to a kind of chimney anticorrosion technology, more particularly to one kind can be used for the row such as electric power, cement, metallurgy, chemical industry
The chimney anticorrosion structure and its construction method of industry.
Background technology
To reach the requirement of national environmental protection policy, the flue gas of domestic large-size thermal power plant can just be arranged after having to pass through desulfurization
It is put into air.Current desulphurization system generally uses Limestone-gypsum Wet Flue Gas Desulfurization Process technology, flue gas after desulphurization system,
It is changed into moist flue gas and wet flue gas, wet flue gas and moist flue gas and its condensate liquid of generation are respectively provided with severe corrosive, serious prestige
The operation of equipment after side of body desulphurization system.
In addition, majority desulfurization fume system all eliminates GGH (flue gas heater) at present, and the chimney of existing operation is most
It is to be designed according to the design criteria of dry flue gas chimney again, does not apply to the running environment of wet flue gas, therefore the cigarette of many thermal power plants
There is the corrosion of large area in chimney, seriously affects the safe and stable operation of whole power plant system.
Based on the above problem, have at present using carrying out preservative treatment by the way of titanium plate by welding in the inside of chimney,
But mostly there are problems with：1) construction period is grown, and the labor intensity of worker is big；2) since site welding environment is poor, cause to deposit
In more problems of welded quality；3) easily there is flue gas leak source because of problems of welded quality in chimney substrate, so that it is existing that corrosion occurs
As.
The content of the invention
It is an object of the invention to provide a kind of construction period is short, the construction environment at scene is required low, and can ensured
The chimney anticorrosion structure and its construction method of construction quality.
To achieve the above object, the concrete technical scheme of a kind of chimney anticorrosion structure of the invention and its construction method is：
A kind of chimney anticorrosion structure, including priming coat, viscose glue oxidant layer and the titanium plate layer set gradually, priming coat apply and are located at cigarette
In chimney substrate, titanium plate layer is sticked on priming coat by viscose glue oxidant layer.
A kind of construction method of chimney anticorrosion structure, comprises the following steps：Chimney substrate is cleared up；After the cleaning
Brushing basecoat material in chimney substrate；The brushing adhesive after the basecoat material in chimney substrate cures, and paste titanium plate；Check
Repairing.
Compared with prior art, chimney anticorrosion structure of the invention and its advantages of construction method, are：
1) titanium plate of overlap joint is directly pasted in chimney substrate using titanium plate adhesive in the present invention, can be to avoid tradition
The site welding of titanium plate chimney anticorrosion technology, solves the problems of welded quality come due to site welding environment difference band.
2) adhesive forms continuous seamless articulamentum as the separation layer of system on chimney base in the present invention, by
In adhesive has the characteristics that high temperature resistant, corrosion-resistant, impermeabilisation, ageing-resistant, cohesive force is strong, so as to function well as protection chimney
The effect of substrate.
3) the adhesive firm time in the present invention is short, and construction environment requirement is low, thus has the site operation cycle
The characteristics of short.
4) different chimney structures (chimney concrete inner cylinder substrate, inner steel cylinder of chimney substrate, chimney be present invention can be suitably applied to
Acidproof brick inner cylinder substrate), and can also be by adjusting the overlap distance of titanium plate, to adapt to the bonding of chimney irregular surface.
Brief description of the drawings
Fig. 1 is the schematic diagram of the chimney anticorrosion structure of the present invention.
Embodiment
In order to be better understood by the purpose of the present invention, structure and function, below in conjunction with the accompanying drawings, to a kind of chimney of the present invention
Anticorrosion structure and its construction method do further detailed description.
As shown in Figure 1, the chimney anticorrosion structure of the present invention includes priming coat 2, viscose glue oxidant layer 3 and the titanium plate layer set gradually
4, priming coat 2 is applied and is located in chimney substrate 1, and titanium plate layer 4 is sticked on priming coat 2 by viscose glue oxidant layer 3.Wherein, titanium plate layer 4 wraps
Polylith titanium plate is included, polylith titanium plate is mutually overlapped and sticked in by viscose glue oxidant layer 3 on priming coat 2, to form titanium plate layer 4.
The chimney anticorrosion structure of the present invention can adapt to the running environment of chimney wet flue gas, while can be applicable in different cigarettes
Chimney structure (chimney concrete inner cylinder substrate, inner steel cylinder of chimney substrate, chimney acidproof brick inner cylinder substrate).And the present invention is to use
Titanium plate adhesive directly pastes the titanium plate of overlap joint on the structure sheaf of chimney, has the construction period short, to site operation environment
It is required that low advantage, while also solve the titanium plate problems of welded quality that construction site welding surroundings difference band comes.
As shown in Figure 1, the construction method of the chimney anticorrosion structure of the present invention, comprises the following steps：
First, according to chimney construction figure, construction cage platform is built.
Secondly, chimney substrate is cleared up., wherein it is desired to different fettlers is carried out according to the different base of chimney
Skill：1) when chimney substrate is cast concrete base, the floating ash on base surface is rinsed with high-pressure washing water；Dry；Looked for resin mortar
It is flat.2) when chimney substrate is acidproof brick substrate, the floating ash on base surface is rinsed with high-pressure washing water；Dry；Repairing；Use resin sand
Starch levelling.3) when chimney substrate is steel base, derusting by sandblasting.
Then, brushing basecoat material in chimney substrate after the cleaning.Wherein, the basecoat material of brushing is by acidproof powder
The materials such as material, prodan, waterglass are formulated according to a certain ratio.
Then, the brushing adhesive after the basecoat material in chimney substrate cures, and paste the titanium plate (interpolation of machine-shaping
Titanium plate).Wherein, the adhesive of brushing is by materials such as epoxy resin (E44), dibutyl phthalate, diluent, ethylenediamines
It is formulated according to a certain ratio.In addition, first having to carry out pasting for titanium plate in the main body section of chimney in this step, then exist again
The privileged sites such as the special-shaped part of chimney, bracket position, expansion joint position carry out the special construction that titanium plate is pasted.And this step
In also need to carry out maintenance operations after titanium plate is pasted, specific maintenance process is：By adhesive vacuum after mixing, brush
On basecoat material surface, titanium plate is pasted, and conserve 1~3 day at room temperature.
Finally, checked and accepted according to Design of Construction Organization, check construction quality, and repaired and improve construction quality problem.
The present invention is directly pasted the titanium plate of overlap joint in chimney substrate using titanium plate adhesive, can be true after titanium plate overlap joint
Protect adhesive to be not exposed in the oxidation environment of flue gas, it is ensured that the ageing-resistant performance of adhesive；And adhesive is as system
Separation layer continuous seamless articulamentum is formed on chimney base, so as to function well as the effect of protection chimney substrate.
In addition, the invention avoids the site welding of traditional titanium plate chimney anticorrosion technology, solve since site welding environment difference band comes
Problems of welded quality.And since adhesive firm time only needed for ten a few houres, thus with site operation cycle short spy
Point.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction to the spirit and scope of the invention, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment, belong to the scope that the present invention is protected.
Claims (3)
1. a kind of construction method of chimney anticorrosion structure, it is characterised in that comprise the following steps：
Chimney substrate is cleared up, when chimney substrate is cast concrete base, method for cleaning is：Base is rinsed with high-pressure washing water
The floating ash on surface；Dry；It is levelling with resin mortar；
Brushing basecoat material in chimney substrate after the cleaning；
The brushing adhesive after the basecoat material in chimney substrate cures, and pastes titanium plate, first chimney main body section into
Row titanium plate is pasted, and then the special-shaped part in chimney, bracket position, expansion joint position carry out pasting for titanium plate, wherein polylith
Titanium plate is mutually overlapped and sticked in by adhesive on basecoat material；
Check repairing.
2. a kind of construction method of chimney anticorrosion structure, it is characterised in that comprise the following steps：
Chimney substrate is cleared up, when chimney substrate is acidproof brick substrate, method for cleaning is：Base is rinsed with high-pressure washing water
The floating ash on surface；Dry；Repairing；It is levelling with resin mortar；
Brushing basecoat material in chimney substrate after the cleaning；
The brushing adhesive after the basecoat material in chimney substrate cures, and pastes titanium plate, first chimney main body section into
Row titanium plate is pasted, and then the special-shaped part in chimney, bracket position, expansion joint position carry out pasting for titanium plate, wherein polylith
Titanium plate is mutually overlapped and sticked in by adhesive on basecoat material；
Check repairing.
3. a kind of construction method of chimney anticorrosion structure, it is characterised in that comprise the following steps：
Chimney substrate is cleared up, when chimney substrate is steel base, method for cleaning is：Derusting by sandblasting；
Brushing basecoat material in chimney substrate after the cleaning；
The brushing adhesive after the basecoat material in chimney substrate cures, and pastes titanium plate, first chimney main body section into
Row titanium plate is pasted, and then the special-shaped part in chimney, bracket position, expansion joint position carry out pasting for titanium plate, wherein polylith
Titanium plate is mutually overlapped and sticked in by adhesive on basecoat material；
Check repairing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419525.3A CN104989167B (en) | 2015-07-16 | 2015-07-16 | A kind of chimney anticorrosion structure and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510419525.3A CN104989167B (en) | 2015-07-16 | 2015-07-16 | A kind of chimney anticorrosion structure and its construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104989167A CN104989167A (en) | 2015-10-21 |
| CN104989167B true CN104989167B (en) | 2018-04-13 |
Family
ID=54301038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510419525.3A Active CN104989167B (en) | 2015-07-16 | 2015-07-16 | A kind of chimney anticorrosion structure and its construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104989167B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375324B (en) * | 2019-07-18 | 2020-10-02 | 成都云白环境设备制造有限公司 | Steel chimney inner wall anticorrosion structure and construction method thereof |
| CN112681864B (en) * | 2020-12-15 | 2022-04-15 | 江苏德固防腐科技有限公司 | Composite anti-corrosion structure for annular titanium plate chimney of thermal power plant and coating process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62217013A (en) * | 1986-03-18 | 1987-09-24 | Kawasaki Steel Corp | Exhaust tube |
| CN101891993A (en) * | 2010-07-06 | 2010-11-24 | 重庆大众防腐有限公司 | Fluoropolymer organic lining anticorrosive material for chimney, flue and other pipelines and containers and construction method thereof |
| CN202274497U (en) * | 2011-10-09 | 2012-06-13 | 一方科技发展有限公司 | Corrosion-resistant structure for chimney liner |
| CN104088500A (en) * | 2014-07-17 | 2014-10-08 | 洛阳双瑞精铸钛业有限公司 | Method for laying anti-corrosion titanium lining on steel chimney of power plant |
| CN205089031U (en) * | 2015-07-16 | 2016-03-16 | 北京国能中电节能环保技术有限责任公司 | Chimney anticorrosion structure |
-
2015
- 2015-07-16 CN CN201510419525.3A patent/CN104989167B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62217013A (en) * | 1986-03-18 | 1987-09-24 | Kawasaki Steel Corp | Exhaust tube |
| CN101891993A (en) * | 2010-07-06 | 2010-11-24 | 重庆大众防腐有限公司 | Fluoropolymer organic lining anticorrosive material for chimney, flue and other pipelines and containers and construction method thereof |
| CN202274497U (en) * | 2011-10-09 | 2012-06-13 | 一方科技发展有限公司 | Corrosion-resistant structure for chimney liner |
| CN104088500A (en) * | 2014-07-17 | 2014-10-08 | 洛阳双瑞精铸钛业有限公司 | Method for laying anti-corrosion titanium lining on steel chimney of power plant |
| CN205089031U (en) * | 2015-07-16 | 2016-03-16 | 北京国能中电节能环保技术有限责任公司 | Chimney anticorrosion structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104989167A (en) | 2015-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104989167B (en) | A kind of chimney anticorrosion structure and its construction method | |
| CN103759282A (en) | Anticorrosion method for interior of metal flue | |
| CN104912208A (en) | Anticorrosion structure and treatment method of outer bottom edge board of gas chamber | |
| CN205089031U (en) | Chimney anticorrosion structure | |
| CN202621161U (en) | Shock-resistance reinforced glass flake lining | |
| CN105674310A (en) | New method for corrosion resistant transformation of flue gas desulfurization concrete chimney of coal-fired power plant | |
| CN203784976U (en) | Corrosion protection system for heat-engine plant chimney inner barrel | |
| CN202274497U (en) | Corrosion-resistant structure for chimney liner | |
| CN104088370A (en) | High-strength bolt friction-type connecting structure and connection node performance optimizing method thereof | |
| CN205100421U (en) | Building blocks | |
| CN109432971A (en) | A kind of drying tower tower body | |
| CN207614627U (en) | Desulphurization system absorption tower with anticorrosive function | |
| CN208275201U (en) | A kind of desulfurizing tower and its liner | |
| CN204141606U (en) | Containing the monotubular concrete chimney structure of insulation antiseptic layer | |
| CN104895392A (en) | Chimney multilayer corrosion prevention system compound rubber brick system | |
| CN103742932A (en) | Modification method of flue gas desulfuration corrosion-resistant chimney of coal-fired power plant | |
| CN205897175U (en) | Coal fired power plant flue gas desulfurization concrete chimney inner wall anticorrosion structure | |
| CN204141605U (en) | Containing the brick sleeve chimney structure of insulation antiseptic layer | |
| CN205746927U (en) | Coal fired power plant flue gas desulfurization coagulation great soil group chimney line with rubber metal composite precoated plate | |
| CN202274499U (en) | Corrosion-resistant structure for corbel region in chimney | |
| CN103742931B (en) | Coal-fired power plant flue gas desulfuration anti-corrosion chimney and manufacturing method thereof | |
| CN203010645U (en) | Chimney steel internal cylinder connected via flanges | |
| CN102168500A (en) | Antiseptic processing method for capping part of brick lining chimney | |
| CN209501279U (en) | A kind of drying tower tower body | |
| CN204127982U (en) | Coal-burning power plant's wet desulphurization single-drum chimney bracket node |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100022 Beijing city Chaoyang District Tonghui Road No. 69 Building No. 4 hospital Haifeng Dan Mansion Applicant after: China Power Conservation and Environment Protection Co., Ltd. Address before: 100020, AB, 8 floor, ocean Guanghua International Center, No. 10 Jin Tong West Road, Beijing, Chaoyang District Applicant before: Beijing Guoneng Zhongdian Energy-Saving Environmental Protection Technology Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |