CN202371736U - Steel internal cylinder chimney expansion joint anticorrosion system used after wet desulphurization - Google Patents
Steel internal cylinder chimney expansion joint anticorrosion system used after wet desulphurization Download PDFInfo
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- CN202371736U CN202371736U CN2011204357823U CN201120435782U CN202371736U CN 202371736 U CN202371736 U CN 202371736U CN 2011204357823 U CN2011204357823 U CN 2011204357823U CN 201120435782 U CN201120435782 U CN 201120435782U CN 202371736 U CN202371736 U CN 202371736U
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- expansion joint
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Abstract
The utility model discloses a steel internal cylinder chimney expansion joint anticorrosion system used after wet desulphurization, which is characterized by including a steel internal cylinder inner side anticorrosion system and a steel internal cylinder outer side anticorrosion system; the steel internal cylinder inner side anticorrosion system is provided with a priming coat, an adhesive layer, and an elastic organic sealing layer sequentially arranged from a steel internal cylinder to the inside, and two ends of the elastic organic sealing layer are fixed with the steel internal cylinder through metal pressure strips and face brick layers; the steel internal cylinder outer side anticorrosion system is provided with an organic sealing layer and a temperature resistance sealing layer sequentially from the steel internal cylinder to the outside, and the upper sides of the organic sealing layer and the temperature resistance sealing layer are covered with an adhesive layer. The elastic organic sealing layer is arranged in an arc form at a chimney expansion joint. The metal pressure strips are fixed with the steel internal cylinder through titanium bolts, and the metal pressure strips and the titanium bolts are covered with the face brick layer. The space between the elastic organic sealing layer and the metal pressure strips as well as the face brick layer is filled with silicon adhesive. The anticorrosion system has the characteristics of practical applicability, good anticorrosion performance, good durability and the like.
Description
Technical field
The utility model relates to Steel Inner Core of Chimney expansion joint corrosion protection system after a kind of wet desulphurization.
Background technology
Along with the enhancing of public's environmental consciousness, national policy is also increasingly high to the requirement in the environmental protection, stands in the breach discharging again after flue gas is carried out desulfurization and handles especially as the thermal power plant of environmental protection key monitoring object.Flue gas after the desulfurization is a wet flue gas, and the corrosion type of its desulfurization wet flue gas comprises sulfuric acid, sulfurous acid, fluoride, chloride etc., and the flue gas grade is a severe corrosive, low, the high humidity, little from pull out force of this cigarette temperature.The condensate that the desulfurization smoke condensation forms has very strong corrosivity.Steel Inner Core of Chimney is worked under sour environment, corroded by the double action of flue gas pressures and humidity, has a strong impact on chimney safe handling and structure durability.At present, self-supporting or two kinds of versions of segmentation suspension type are adopted in the design of state's inner chimney steel inner cylinder usually.Segmentation suspension type steel inner cylinder is divided into several sections with steel inner cylinder, is suspended on each bearing platform respectively, expansion joint is set between each section connects, and the stack shell cross section is main to draw, and can give full play to the good advantage of steel plate examining tensile behavior, has avoided the local buckling of steel plate.Compare self-supporting, segmentation suspension type steel inner cylinder stack shell steel plate thinner thickness, rolled steel dosage is less, and economic advantages are obvious, obtain more and more owners' approval.But the expansion joint of segmentation suspension type chimney has brought a difficult problem to chimney anticorrosion.
The utility model content
The utility model technical problem to be solved provides Steel Inner Core of Chimney expansion joint corrosion protection system after a kind of wet desulphurization; It had both considered to go up the free wxpansion displacement that the hypomere steel inner cylinder produces, the novel anticorrosion system of its seal of strict guarantee again when flue-gas temperature changes.
The utility model technical problem to be solved realizes through following technical scheme:
Steel Inner Core of Chimney expansion joint corrosion protection system after a kind of wet desulphurization; It is characterized in that: comprise inboard corrosion protection system of steel inner cylinder and steel inner cylinder outside corrosion protection system; The inboard corrosion protection system of said steel inner cylinder inwardly is provided with priming coat, the bonding bed of material, the organic sealant of elasticity successively by steel inner cylinder, and the organic sealant of this elasticity two ends are fixed through metal bead and face brick layer and steel inner cylinder; Said steel inner cylinder outside corrosion protection system outwards is provided with organic sealant, heatproof sealant successively by steel inner cylinder, covers the bonding bed of material at the upside of this organic sealant and heatproof sealant.
The organic sealant of said elasticity is located at place, chimney expansion joint with arc shape.
Said metal bead is fixed through titanium bolt and steel inner cylinder, and the face brick layer covers outside metal bead and the titanium bolt.
Fill the silicon bonding material between organic sealant of said elasticity and metal bead and the face brick layer.
Said priming coat is a heat-proof epoxy anticorrosive paint priming coat; The bonding bed of material is the bonding bed of material of organosilicon; Organic sealant is the organic sealant of polyfluortetraethylene plate; The heatproof sealant is a polyurathamc heatproof sealant; The organic sealant of elasticity is the organic sealant of fluorubber plate; Metal bead is the titanium metal bead; The face brick layer is light vitreous acid-proof ceramics face brick layer.
Said heat-proof epoxy anticorrosive paint priming coat is substituted by anticorrosive paint; Said polyurathamc heatproof sealant is substituted by the waterproof material of acid-resistant and heat-resistant; The organic sealant of described fluorubber plate is substituted by the encapsulant of elasticity, corrosion-resistant heatproof.
Described titanium metal bead is substituted by corrosion resistant metal or corrosion-resistant, hard composite; Described light vitreous acid-proof ceramics face brick layer is substituted by light acid-proof brick.
Be not connected between the organic sealant of said polyfluortetraethylene plate and the steel inner cylinder, can be free to slide.
The beneficial effect of the utility model:
The utility model utilizes extremely low friction factor of polytetrafluoroethylene (PTFE) and good self lubricity; And very low gas permeability and the corrosion-and high-temp-resistant performance of fluorubber plate; Both prevented the infiltration of corrosive fume or liquid effectively; Do not hinder steel inner cylinder when flue-gas temperature changes, to produce the free wxpansion displacement again, simultaneously light vitreous acid-proof ceramics brick can play effects such as good acid-proof burn into is wear-resisting, insulation, the utlity model has can implement, characteristics such as antiseptic property is good, good endurance.
Description of drawings
Fig. 1 the utility model corrosion protection system profile
Among the figure, 1-steel inner cylinder, the organic sealant of 2-polyfluortetraethylene plate; 3-polyurathamc heatproof sealant, the bonding bed of material of 4-organosilicon, 5-heat-proof epoxy anticorrosive paint priming coat; The organic sealant of 6-fluorubber plate; 7-titanium metal bead, 8-titanium bolt mechanical connection, the light vitreous acid-proof ceramics face brick of 9-layer.
The specific embodiment
Below in conjunction with Figure of description the utility model is described further.
As shown in Figure 1; Steel Inner Core of Chimney expansion joint corrosion protection system after a kind of wet desulphurization; It is characterized in that: comprise inboard corrosion protection system of steel inner cylinder and steel inner cylinder outside corrosion protection system; The inboard corrosion protection system of said steel inner cylinder inwardly is provided with priming coat, the bonding bed of material, the organic sealant of elasticity successively by steel inner cylinder, and the organic sealant of this elasticity two ends are fixed through metal bead and face brick layer and steel inner cylinder; Said steel inner cylinder outside corrosion protection system outwards is provided with organic sealant, heatproof sealant successively by steel inner cylinder, covers the bonding bed of material at the upside of this organic sealant and heatproof sealant.
Steel inner cylinder outside corrosion protection system outwards is provided with by steel inner cylinder 1 successively, and the organic sealant of polyfluortetraethylene plate 2, polyurathamc heatproof sealant 3 cover the bonding bed of material 4 of organosilicon at both upside; The inboard corrosion protection system of steel inner cylinder inwardly is provided with the organic sealant of the bonding bed of material of heat-proof epoxy anticorrosive paint priming coat 5, organosilicon 4, fluorubber plate 6, titanium metal bead 7, titanium bolt mechanical connection 8, light vitreous acid-proof ceramics face brick layer 9 successively by steel inner cylinder; Silica filled organopolysiloxane bonding material between organic sealant of fluorubber plate and titanium metal bead and the light vitreous acid-proof ceramics face brick layer.
The organic sealant 2 of described polyfluortetraethylene plate, corrosion-resistant and high-temperature resistant material substitution little by coefficient of friction.
Described polyurathamc heatproof sealant 3 is substituted by the waterproof material of acid-resistant and heat-resistant.
The organic sealant 6 of described fluorubber plate is substituted by the encapsulant of elasticity, corrosion-resistant heatproof.
Described titanium metal bead 7 is substituted by corrosion resistant metal or the composite corrosion-resistant, that hardness is stronger.
Said metal bead is fixed through titanium bolt and steel inner cylinder, and the face brick layer covers outside metal bead and the titanium bolt, and the titanium bolt logical circle of 440-450mm at interval arranges that mechanical connection guarantees that the fluorubber plate can not come off when sweep of gases.
Described titanium bolt mechanical connection 8 is substituted by the corrosion resistant metal bolt.
Described heat-proof epoxy anticorrosive paint priming coat 5 is substituted by anticorrosive paint.
Described light vitreous acid-proof ceramics face brick layer 9 is substituted by light acid-proof brick.
The organic sealant 6 of said fluorubber plate is located at place, chimney expansion joint with arc shape, and promptly the organic sealant 6 of fluorubber plate coats the expansion joint inboard with certain surplus, has so both guaranteed the sealing to expansion joint, the free degree that does not also hinder steel inner cylinder to produce distortion or move.
According to described metal bead and bolt size,, metal bead and titanium metal bolts are covered in the brick with opening of described light vitreous acid-proof ceramics face brick cutting.
Specific practice is: it is anticorrosion to do the outside earlier, does inboard anticorrosionly again, and the outside is anticorrosion outwards to be distributed with the organic sealant of the thick polyfluortetraethylene plate of 10mm 2, polyurathamc heatproof sealant 3 successively by steel inner cylinder 1, covers the bonding bed of material 4 of organosilicon at both upside; The inboard is anticorrosion inwardly to be distributed with the thick heat-proof epoxy anticorrosive paint of 4um priming coat 5 successively by steel inner cylinder 1; The bonding bed of material 4 of the thick organosilicon of 3mm, the organic sealant 6 of the thick fluorubber plate of 4mm, the thick titanium metal bead 7 of 2mm; Titanium bolt mechanical connection 8; The thick light vitreous acid-proof ceramics face brick layer 9 of 50mm, the organic sealant 6 of fluorubber plate, and silica filled organopolysiloxane bonding material between titanium metal bead 7 and the light vitreous acid-proof ceramics face brick layer 9.Wherein, be not connected between polyfluortetraethylene plate and the steel inner cylinder, can be free to slide.It is inboard that the fluorubber plate coats expansion joint with certain surplus, produces the freedom of thermal expansion when guaranteeing that steel inner cylinder is heated.The antiseptic property that titanium metallic plate press strip and titanium bolt are excellent makes the anticorrosion one integrated mass of whole steel inner cylinder.
Claims (8)
1. Steel Inner Core of Chimney expansion joint corrosion protection system after the wet desulphurization; It is characterized in that: comprise inboard corrosion protection system of steel inner cylinder and steel inner cylinder outside corrosion protection system; The inboard corrosion protection system of said steel inner cylinder inwardly is provided with priming coat, the bonding bed of material, the organic sealant of elasticity successively by steel inner cylinder, and the organic sealant of this elasticity two ends are fixed through metal bead and face brick layer and steel inner cylinder; Said steel inner cylinder outside corrosion protection system outwards is provided with organic sealant, heatproof sealant successively by steel inner cylinder, covers the bonding bed of material at the upside of this organic sealant and heatproof sealant.
2. Steel Inner Core of Chimney expansion joint corrosion protection system after the wet desulphurization as claimed in claim 1 is characterized in that: the organic sealant of said elasticity is located at place, chimney expansion joint with arc shape.
3. Steel Inner Core of Chimney expansion joint corrosion protection system after the wet desulphurization as claimed in claim 1, it is characterized in that: said metal bead is fixed through titanium bolt and steel inner cylinder, and the face brick layer covers outside metal bead and the titanium bolt.
4. Steel Inner Core of Chimney expansion joint corrosion protection system after the wet desulphurization as claimed in claim 1 is characterized in that: fill the silicon bonding material between organic sealant of said elasticity and metal bead and the face brick layer.
5. like Steel Inner Core of Chimney expansion joint corrosion protection system after the described wet desulphurization of one of claim 1 to 4, it is characterized in that: the said bonding bed of material is the bonding bed of material of organosilicon; Organic sealant is the organic sealant of polyfluortetraethylene plate; The heatproof sealant is a polyurathamc heatproof sealant; Priming coat is a heat-proof epoxy anticorrosive paint priming coat; The organic sealant of elasticity is the organic sealant of fluorubber plate; Metal bead is the titanium metal bead; The face brick layer is light vitreous acid-proof ceramics face brick layer.
6. Steel Inner Core of Chimney expansion joint corrosion protection system after the wet desulphurization as claimed in claim 5 is characterized in that: said heat-proof epoxy anticorrosive paint priming coat is substituted by anticorrosive paint; Said polyurathamc heatproof sealant is substituted by the waterproof material of acid-resistant and heat-resistant; The organic sealant of described fluorubber plate is substituted by the encapsulant of elasticity, corrosion-resistant heatproof.
7. Steel Inner Core of Chimney expansion joint corrosion protection system after the wet desulphurization as claimed in claim 5 is characterized in that: described titanium metal bead is substituted by corrosion resistant metal or corrosion-resistant, hard composite; Described light vitreous acid-proof ceramics face brick layer is substituted by light acid-proof brick.
8. Steel Inner Core of Chimney expansion joint corrosion protection system after the wet desulphurization as claimed in claim 5 is characterized in that: be not connected between the organic sealant of said polyfluortetraethylene plate and the steel inner cylinder, can be free to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204357823U CN202371736U (en) | 2011-11-07 | 2011-11-07 | Steel internal cylinder chimney expansion joint anticorrosion system used after wet desulphurization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204357823U CN202371736U (en) | 2011-11-07 | 2011-11-07 | Steel internal cylinder chimney expansion joint anticorrosion system used after wet desulphurization |
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| CN202371736U true CN202371736U (en) | 2012-08-08 |
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| CN2011204357823U Expired - Fee Related CN202371736U (en) | 2011-11-07 | 2011-11-07 | Steel internal cylinder chimney expansion joint anticorrosion system used after wet desulphurization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850514A (en) * | 2014-03-26 | 2014-06-11 | 陈宏亮 | Structure and method for anti-corrosive treatment of pure titanium plates of chimney steel inner cylinder and steel structure flue |
| CN106836947A (en) * | 2017-03-27 | 2017-06-13 | 浙江开尔新材料股份有限公司 | A kind of frame-type enamel plate Anti-corrosive chimney and its installation method |
| CN113357467A (en) * | 2021-06-15 | 2021-09-07 | 沈阳明科控制腐蚀技术有限公司 | Pouring sealing waterproof structure of pipeline expansion joint and construction method |
-
2011
- 2011-11-07 CN CN2011204357823U patent/CN202371736U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850514A (en) * | 2014-03-26 | 2014-06-11 | 陈宏亮 | Structure and method for anti-corrosive treatment of pure titanium plates of chimney steel inner cylinder and steel structure flue |
| CN106836947A (en) * | 2017-03-27 | 2017-06-13 | 浙江开尔新材料股份有限公司 | A kind of frame-type enamel plate Anti-corrosive chimney and its installation method |
| CN106836947B (en) * | 2017-03-27 | 2022-06-10 | 浙江开尔新材料股份有限公司 | Frame type enamel plate anti-corrosion chimney and installation method thereof |
| CN113357467A (en) * | 2021-06-15 | 2021-09-07 | 沈阳明科控制腐蚀技术有限公司 | Pouring sealing waterproof structure of pipeline expansion joint and construction method |
| CN113357467B (en) * | 2021-06-15 | 2022-10-04 | 沈阳明科控制腐蚀技术有限公司 | Pouring sealing waterproof structure of pipeline expansion joint and construction method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Calion Tech Development Co., Ltd. Document name: Notification to Pay the Fees |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20181107 |