CN102168499A - Anticorrosion treatment method for liquid discharge opening of brick lining chimney - Google Patents
Anticorrosion treatment method for liquid discharge opening of brick lining chimney Download PDFInfo
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- CN102168499A CN102168499A CN 201010561221 CN201010561221A CN102168499A CN 102168499 A CN102168499 A CN 102168499A CN 201010561221 CN201010561221 CN 201010561221 CN 201010561221 A CN201010561221 A CN 201010561221A CN 102168499 A CN102168499 A CN 102168499A
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- fiber reinforced
- reinforced plastic
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- fluid dram
- leakage fluid
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Abstract
The invention discloses an anticorrosion treatment method for a liquid discharge opening of a brick lining chimney. In the method, the liquid discharge opening is treated by using three layers of polyfluoro organic VP3-2 fiber reinforced plastics with certain elasticity and good sealing properties; meanwhile, in combination with sloping and internal corner anticorrosion treatment of a soot formation platform (or a flue bottom plate), the integrity of a whole chimney bottom system is largely increased and good trafficability of liquid or mortar is always kept so that leakage problems of the soot formation platform (or the flue bottom plate) and the liquid discharge opening can be preferably solved.
Description
Technical field
The present invention relates to the preservative treatment technology of the brick lining chimney of industries uses such as steam power station, chemical industry and metallurgy.
Background technology
For the brick lining chimney that industries such as steam power station, chemical industry and metallurgy are used, preservative treatment is an important engineering.And in the internal construction of chimney, special preservative treatment need be carried out in some special positions.As shown in Figure 1, chimney leakage fluid dram 21 positions are arranged on the breeching base plate on chimney bottom dust stratification platform and both sides usually, and the position of leakage fluid dram and quantity are determined according to chimney of electric plant and flue structure and cigarette temperature data.The effect collection of leakage fluid dram and discharge are flue gas condensing liquid and part dust stratification.Mainly there are following two problems in the preservative treatment at leakage fluid dram position at present:
(1) the leakage fluid dram size design is unreasonable looks for the insufficient leakage fluid dram that causes in slope to be stopped up by dust stratification with the dust stratification platform, and lose the discharge opeing effect, thereby cause dust stratification platform or flue base plate to exist big quantity of fluid or mortar to focus on, even from other position leakage problems;
(2) the anti-corrosion material selection is unreasonable near the leakage fluid dram, causes anticorrosion failure of seepage and leakage problems.
Because all condensate liquids of chimney discharge by leakage fluid dram, so the design of leakage fluid dram and selection be most important, the performances such as the heatproof that requires except the chimney barrel anti-corrosion material, acidproof, heat shock resistance, caking property, also needs emphasis to consider sealing performance and elasticity.
The leakage fluid dram leakage problems is the ubiquitous problem of China's desulfurization after funnel corrosion-resistant field, and this problem never is well solved.
Summary of the invention
The objective of the invention is to problem at the prior art existence, a kind of method for anticorrosion treatment of leakage fluid dram of brick lining chimney is proposed, adopt poly-fluoropolymer organic lining anticorrosive material to carry out special preservative treatment, make the whole anticorrosive coat of leakage fluid dram have certain elasticity and good sealing property, simultaneously whole system also has the total heatproof of chimney anticorrosion material, acidproof, heat shock resistance and good tack, thereby overcomes because of design and the improper desulfurization after funnel that causes of the selection leakage fluid dram leakage problems in anticorrosion.
Technical scheme of the present invention is as follows:
Described leakage fluid dram preservative treatment is to carry out after the dust stratification platform looks for the slope to finish, and it may further comprise the steps:
(1) determine the leakage fluid dram position at the dust stratification platform or the flue base plate lowest part of brick lining chimney, leakage fluid dram is of a size of square top and round bottom, and upper dimension is 500～1200mm * 500～1200mm, and lower dimension is diameter 200～350mm; Perhaps leakage fluid dram all is a round mouth up and down, and diameter is controlled to be 500～1200mm and 200～350mm respectively up and down;
(2) press the leakage fluid dram size and make the polypropylene drainage hopper, the funnel size must be coincide with leakage fluid dram, during installation leakage fluid dram is cleaned out, and filled silicon rubber type high temp elastic bonding encapsulant, thickness is not less than 5mm, put funnel after, funnel top is fixed with rivet and flue base plate, with support or hanger supports, the glue consumption of described silicone rubber kinds high temperature elastic bonding encapsulant must guarantee that the lower edge all has glue to overflow on the funnel according to actual conditions in the bottom;
(3) adopt poly-fluoropolymer organic lining anticorrosive material and glass cloth produced with combination first floor glass fiber reinforced plastic, funnel edge and dust stratification platform or flue base plate handing-over position are covered fully, lap length is not less than 200mm, the lap length of described first floor glass fiber reinforced plastic in funnel also should be not less than 200mm, and the overlap joint between the glass fiber reinforced plastic is not less than 100mm;
(4) on first floor glass fiber reinforced plastic, use silicone rubber kinds high temperature elastic bonding encapsulant to paste first floor vitreous ceramic brick;
(5) make the glass fiber reinforced plastic of the second layer again on first floor vitreous ceramic brick surface by poly-fluoropolymer organic lining anticorrosive material and glass cloth produced with combination, second layer glass fiber reinforced plastic overlaps in drainage hopper to be needed to surpass more than the first floor glass fiber reinforced plastic 100mm, and it is identical with making first floor glass fiber reinforced plastic that the overlap joint at all the other positions requires;
(6) on second layer glass fiber reinforced plastic, paste second layer vitreous ceramic brick with compound;
(7) the last glass fiber reinforced plastic of on second layer vitreous ceramic brick, making the 3rd strata fluoropolymer organic lining anticorrosive material and glass cloth produced with combination, overlap joint requires identical with second layer glass fiber reinforced plastic;
Wherein, high temperature elastomeric materials such as the also available silicone adhesive of silicone rubber kinds high temperature elastic bonding encapsulant, fluorosioloxane rubber, polyurethane adhesive replace; Compound is for gathering fluoropolymer organic lining anticorrosive material and the silicone rubber kinds high temperature elastic bonding encapsulant mixture with weight ratio (1:1～4).
Wherein poly-fluoropolymer organic lining anticorrosive material adopts the poly-fluoropolymer organic lining anticorrosive material of announcing among the Chinese invention patent document CN101891993A " the poly-fluoropolymer organic lining anticorrosive material and the processing method of chimney, flue and other pipeline and container ", this material is made up of A and two kinds of components of B, the A component is to be raw material by fluorine-containing rubber earlier, adding stabilizing agent and reinforcing filler again carries out mixing, form elastomeric compound, make solvent with ketone, ester class or alcohols then, putty type rubber cement is made in dissolving, adds filler therein again and auxiliary agent is made; The B component is additive and organic solvent; After A, B component mix, be coated with and be contained in by the preserver surface, sulfuration at room temperature forms anticorrosive coat, reaches anticorrosion purpose.The product code name that the applicant gives is VP3-2.
Adopt above-mentioned processing method, promptly leakage fluid dram is handled with the organic VP3-2 glass fiber reinforced plastic of three strata fluorine with certain elasticity and excellent sealing, simultaneously look for slope and inner corner trim preservative treatment in conjunction with dust stratification platform (or flue base plate), the globality of whole chimney bottom system is improved greatly, and remained the good trafficability characteristic of liquid or mortar, can well can well solve dust stratification platform (or flue base plate) and leakage fluid dram leakage problems.
Description of drawings
Fig. 1 is the overall structure sectional drawing of chimney
Fig. 2 is the cross-sectional view (revising) of the leakage fluid dram of chimney after preservative treatment.
The specific embodiment
Further describe the process of this method for anticorrosion treatment below in conjunction with accompanying drawing:
(1) to handle be to carry out after the dust stratification platform looks for the slope to finish to leakage fluid dram, in conjunction with the chimney of electric plant actual condition of structure with look for sloping scheme, determines the leakage fluid dram position at dust stratification platform or flue base plate lowest part;
(2) determined leakage fluid dram position if former chimney has leakage fluid dram, only need be transformed on request, on the contrary, if do not have leakage fluid dram then need newly open leakage fluid dram by size.Leakage fluid dram is shaped as square top and round bottom, and upper dimension is 700mm * 700mm, and lower dimension is diameter 200mm;
(3) make polypropylene (PP) drainage hopper 9 by on-the-spot size, the funnel size must be coincide with leakage fluid dram.With leakage fluid dram and neighbouringly all clean out, polypropylene drainage hopper 9 is installed in leakage fluid dram, funnel 9 tops are fixing with the flue concrete floor 8 of leakage fluid dram with rivet, and the bottom is according to actual conditions consideration support or suspension bracket.Then between funnel 9 and flue concrete floor 8, and flue mixes filled silicon rubber type high temp elastic bonding encapsulant 1 above the earth base plate 8, the thickness of glue is not less than 5mm, notice that glue consumption must guarantee between funnel 9 and the flue concrete floor 8 full, do not interspace, and will overflow;
(4) make the compound first floor glass fiber reinforced plastic 2(of poly-fluoropolymer organic lining anticorrosive material VP3-2 and glass cloth and adopt 1 cloth, 2 oil), funnel 9 upper edges and dust stratification platform or flue base plate handing-over position are covered fully, lap length is 200mm, and the lap length of first floor glass fiber reinforced plastic 2 in funnel 9 also is 200mm;
(5) use silicone rubber kinds high temperature elastic bonding encapsulant to paste first floor vitreous ceramic 3 on first floor glass fiber reinforced plastic 2, brickwork joint must be full;
(6) make the compound glass fiber reinforced plastic 4(of the second strata fluoropolymer organic lining anticorrosive material VP3-2 and glass cloth again on first floor vitreous ceramic 3 surfaces and adopt 1 cloth, 2 oil), overlap joint needs to surpass first floor 3-2 glass fiber reinforced plastic 100mm in drainage hopper 9, and it is identical with making first floor glass fiber reinforced plastic that the overlap joint at all the other positions requires;
(7) paste second layer vitreous ceramic brick 5 with the compound of poly-fluoropolymer organic lining anticorrosive material VP3-2 and silicone rubber kinds high temperature elastic bonding encapsulant on second layer glass fiber reinforced plastic 4, brickwork joint requires full;
(8) on second layer vitreous ceramic brick 5, make the compound glass fiber reinforced plastic 6(of the 3rd strata fluoropolymer organic lining anticorrosive material VP3-2 and glass cloth at last and adopt 1 cloth, 2 oil), overlap joint requires identical with second layer glass fiber reinforced plastic.
Wherein, high temperature elastomeric materials such as the also available silicone adhesive of silicone rubber kinds high temperature elastic bonding encapsulant, fluorosioloxane rubber, polyurethane adhesive replace; Compound is for gathering fluoropolymer organic lining anticorrosive material VP3-2 and the silicone rubber kinds high temperature elastic bonding encapsulant mixture with weight ratio (1:1 ~ 4).
Claims (1)
1. the method for anticorrosion treatment of the leakage fluid dram of a brick lining chimney, it may further comprise the steps:
(1) determine the leakage fluid dram position at the dust stratification platform or the flue base plate lowest part of brick lining chimney, leakage fluid dram is of a size of square top and round bottom, and upper dimension is 500～1200mm * 500～1200mm, and lower dimension is diameter 200～350mm; Perhaps leakage fluid dram all is a round mouth up and down, and diameter is controlled to be 500～1200mm and 200～350mm respectively up and down;
(2) press the leakage fluid dram size and make the polypropylene drainage hopper, the funnel size must be coincide with leakage fluid dram, during installation leakage fluid dram is cleaned out, and filled silicon rubber type high temp elastic bonding encapsulant, thickness is not less than 5mm, put funnel after, funnel top is fixed with rivet and flue base plate, with support or hanger supports, the glue consumption of described silicone rubber kinds high temperature elastic bonding encapsulant must guarantee that the lower edge all has glue to overflow on the funnel according to actual conditions in the bottom;
(3) adopt poly-fluoropolymer organic lining anticorrosive material and glass cloth produced with combination first floor glass fiber reinforced plastic, funnel edge and dust stratification platform or flue base plate handing-over position are covered fully, lap length is not less than 200mm, the lap length of described first floor glass fiber reinforced plastic in funnel also should be not less than 200mm, and the overlap joint between the glass fiber reinforced plastic is not less than 100mm;
(4) on first floor glass fiber reinforced plastic, use silicone rubber kinds high temperature elastic bonding encapsulant to paste first floor vitreous ceramic brick;
(5) make the glass fiber reinforced plastic of the second layer again on first floor vitreous ceramic brick surface by poly-fluoropolymer organic lining anticorrosive material and glass cloth produced with combination, second layer glass fiber reinforced plastic overlaps in drainage hopper to be needed to surpass more than the first floor glass fiber reinforced plastic 100mm, and it is identical with making first floor glass fiber reinforced plastic that the overlap joint at all the other positions requires;
(6) on second layer glass fiber reinforced plastic, paste second layer vitreous ceramic brick with compound;
(7) the last glass fiber reinforced plastic of on second layer vitreous ceramic brick, making the 3rd strata fluoropolymer organic lining anticorrosive material and glass cloth produced with combination, overlap joint requires identical with second layer glass fiber reinforced plastic;
Wherein, silicone rubber kinds high temperature elastic bonding encapsulant can be used silicone adhesive, fluorosioloxane rubber, polyurethane adhesive;
Poly-fluoropolymer organic lining anticorrosive material in " the poly-fluoropolymer organic lining anticorrosive material and the processing method of chimney, flue and other pipeline and container " that described poly-fluoropolymer organic lining anticorrosive material employing Chinese invention patent document CN101891993A announces;
Compound is for gathering fluoropolymer organic lining anticorrosive material and the silicone rubber kinds high temperature elastic bonding encapsulant mixture with weight ratio 1:1～4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010561221 CN102168499A (en) | 2010-11-26 | 2010-11-26 | Anticorrosion treatment method for liquid discharge opening of brick lining chimney |
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| CN 201010561221 CN102168499A (en) | 2010-11-26 | 2010-11-26 | Anticorrosion treatment method for liquid discharge opening of brick lining chimney |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485577A (en) * | 2013-09-30 | 2014-01-01 | 重庆大众防腐股份有限公司 | Fluororubber structure layer anti-corrosion system for corrosion prevention for desulfuration chimney and corrosion-preventing construction method thereof |
| CN104930528A (en) * | 2014-03-18 | 2015-09-23 | 沈阳铝镁设计研究院有限公司 | Structure used for collecting acid fluid in chimney |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3841207A (en) * | 1971-01-28 | 1974-10-15 | J Piot | Non-polluting chimney |
| US4545293A (en) * | 1981-03-30 | 1985-10-08 | Schiedel Gmbh & Co. | Multiple-casing chimney |
| CN100365240C (en) * | 2006-04-03 | 2008-01-30 | 陈海渊 | Boiler chimney body and method for forming its inner wall protection structure |
| CN100420819C (en) * | 2005-12-14 | 2008-09-24 | 孙克勤 | Chimney with preventing flue permeating corrosion and its method |
| CN101725270A (en) * | 2009-12-04 | 2010-06-09 | 上海德昊化工有限公司 | Sealing corrosion-resistant structure of expansion joint of brick lining chimney |
| CN101793105A (en) * | 2010-03-26 | 2010-08-04 | 西安天元合成材料有限公司 | Anti-corrosion method of inner wall of stack |
-
2010
- 2010-11-26 CN CN 201010561221 patent/CN102168499A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3841207A (en) * | 1971-01-28 | 1974-10-15 | J Piot | Non-polluting chimney |
| US4545293A (en) * | 1981-03-30 | 1985-10-08 | Schiedel Gmbh & Co. | Multiple-casing chimney |
| CN100420819C (en) * | 2005-12-14 | 2008-09-24 | 孙克勤 | Chimney with preventing flue permeating corrosion and its method |
| CN100365240C (en) * | 2006-04-03 | 2008-01-30 | 陈海渊 | Boiler chimney body and method for forming its inner wall protection structure |
| CN101725270A (en) * | 2009-12-04 | 2010-06-09 | 上海德昊化工有限公司 | Sealing corrosion-resistant structure of expansion joint of brick lining chimney |
| CN101793105A (en) * | 2010-03-26 | 2010-08-04 | 西安天元合成材料有限公司 | Anti-corrosion method of inner wall of stack |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485577A (en) * | 2013-09-30 | 2014-01-01 | 重庆大众防腐股份有限公司 | Fluororubber structure layer anti-corrosion system for corrosion prevention for desulfuration chimney and corrosion-preventing construction method thereof |
| CN103485577B (en) * | 2013-09-30 | 2016-03-23 | 重庆大众防腐股份有限公司 | A kind of desulfurization after funnel anti-corrosion system of anticorrosion fluorubber deck and anticorrosion construction method thereof |
| CN104930528A (en) * | 2014-03-18 | 2015-09-23 | 沈阳铝镁设计研究院有限公司 | Structure used for collecting acid fluid in chimney |
| CN104930528B (en) * | 2014-03-18 | 2017-05-10 | 沈阳铝镁设计研究院有限公司 | Structure used for collecting acid fluid in chimney |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 401121, 9, West Honghu Road, 18 North New District, Chongqing Applicant after: Volk-anticorrosion Co., Ltd. Address before: 401121 9, 18 West Honghu Road, Yubei District New District, Chongqing Applicant before: Chongqing Dazhong Erosion-Proof Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: CHONGQING DAZHONG EROSION-PROOF CO., LTD. TO: VOLK-ANTICORROSION CO., LTD. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110831 |