CN202023401U - Anti-corrosion layer structure of connecting seam of steel-base-body flue and concrete flue - Google Patents
Anti-corrosion layer structure of connecting seam of steel-base-body flue and concrete flue Download PDFInfo
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- CN202023401U CN202023401U CN2011200879843U CN201120087984U CN202023401U CN 202023401 U CN202023401 U CN 202023401U CN 2011200879843 U CN2011200879843 U CN 2011200879843U CN 201120087984 U CN201120087984 U CN 201120087984U CN 202023401 U CN202023401 U CN 202023401U
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Abstract
The utility model discloses an anti-corrosion layer structure of a connecting seam of a steel-base-body flue and a concrete flue, belonging to the technical field of corrosion prevention. A connecting seam (10) is arranged at the connecting position of a concrete flue base body (1) and a steel flue base body (9). The anti-corrosion layer structure is characterized in that an elastic silicon gel filling layer (6) formed by elastic silicon gel is filled in the connecting seam (10). For the anti-corrosion layer structure of the connecting seam of the steel-base-body flue and the concrete flue, the structure is simple, the use is convenient and rapid, the anti-corrosion effect is good, and the defect of deformation of the base body can be overcome; the corrosion of acid liquor and washing of smoke can be prevented, the anti-corrosion performance is good, the damage is not easy to occur, the service life is long, the cost is low; the wear-resisting performance is good, the expansion caused by heat and the contraction caused by cold, the corrosion of the acid liquor and the influence caused by the washing of the smoke can be prevented effectively, the maintenance times can be reduced, the using and maintaining cost can be lowered, and the promotion can be facilitated.
Description
Technical field
The utility model relates to a kind of aseptic technic, the aseptic technic of particularly a kind of steel matrix flue and concrete flue handing-over seam.
Background technology
A large amount of SO are contained from the flue gas of boiler emission in thermal power plant before not setting up desulfurizer
2, directly enter atmosphere, SO by chimney
2Combine the formation acid solution with airborne moisture, accumulate over a long period, influence the healthy of people with the form contaminated environment of acid rain.After the power plant desulfurization device was set up, this environmental issue was just solved.
At present, some uses the thermal power plant of desulfurizer, change the part concrete flue into the plain steel flue, after the replacing this section mixing flue plays an important role, play a part to carry the high temperature dry flue gas on the one hand, be again the important device of the wet flue gas after the conveying desulfurization on the other hand, therefore select rational anti-corrosion layer structure very important at this section mixing flue (particularly steel matrix flue and road concrete substrate flue handing-over seam).When desulfurization operation, from this section flue process, enter chimney through the low temperature wet flue gas after the desulfurization again, be faintly acid wet environment in the flue this moment, has the acid solution productive set.And during waiting when stopping transport for some reason at boiler of power plant igniting or desulphurization plant, the high temperature dry flue gas can directly enter chimney through this section flue, this moment flue interior is the many dust atmospheres of high temperature.Be to do wet high and low temperature alternative environment in the flue of this moment, matrix expands with heat and contract with cold bigger, and inclement condition is to structure, the performance requirement height of anticorrosive coat.If it is unreasonable that anti-corrosion layer structure is selected; corrosion protective covering does not play the protection buffer action; acid solution can be passed anticorrosive coat and is penetrated into matrix; etched the matrix; and there are a large amount of acid solutions to go out contaminated environment from the handing-over seam leakage of steel matrix flue and concrete substrate flue; even cause this section flue not use, make entire power plant shut down the serious consequence that can not generate electricity.
At present, in steel matrix flue and road concrete substrate flue handing-over seam processing method, all be to fill, and then do the glass fiber reinforced plastic anticorrosive coat in the above with asbestos cord.This scheme easy construction, cost are lower, but result of use is bad, because environment is abominable, and expand with heat and contract with cold and easily cause anticorrosive coat to destroy, come off, also just having caused needs the often shortcoming of maintenance, and each maintenance all must be changed this anticorrosive coat, makes maintenance cost high.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provide a kind of simple in structure, with low cost, favorable anti-corrosion effect, anti-wear performance is good, and can prevent from effectively to expand with heat and contract with cold, anti-corrosion layer structure that the steel matrix flue and the concrete flue handing-over of acid liquid corrosion and sweep of gases influence are stitched, adopt this anti-corrosion layer structure, can prevent that anticorrosive coat from destroying and acid liquid corrosion, and long perfomance life, maintenance cost is low.
The technical solution adopted in the utility model is as follows:
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam has the handing-over seam in the junction of concrete flue matrix and steel flue gas duct matrix, be filled with elastic silica gel and form the elastic silica gel packed layer in described handing-over seam.
Owing to adopted said structure, in the handing-over seam, fill elastic silica gel shape and form the elastic silica gel packed layer, anti-corrosion layer structure as the flue matrix, can resist the corrosion of various acid solutions in the flue, excellent in durability, have good extension property, be highly resistant to the destruction that the flue distortion brings, avoid the acid liquor leakage smoke outlet flue to pollute.
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam is equipped with the elastic silica gel layer on the exposed portions serve of described elastic silica gel packed layer, described flexible silicon glue-line is layed on concrete flue matrix and the steel flue gas duct matrix simultaneously.
Owing to adopted said structure, the elastic silica gel packed layer combines with the flexible silicon glue-line, as anti-corrosion layer structure, can fully resist the corrosion of various acid solutions, and impermeability is arranged, and make the functional of anti-corrosion layer structure, prevent from effectively to expand with heat and contract with cold, acid liquid corrosion and sweep of gases influence.
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, described flexible silicon glue-line upper berth is provided with the flexible protective layer.
Owing to adopted said structure, the elastic silica gel packed layer combines with the flexible silicon glue-line, as the internal layer of anticorrosive coat, can fully resist the corrosion of various acid solutions, and impermeability is arranged; Flexible silicon glue-line and the combination of flexible protective layer; can resist fully and expand with heat and contract with cold and vibrate; overall performance is good; elastic silica gel packed layer, flexible silicon glue-line and flexible protective layer combine; as the anti-corrosion layer structure of flue matrix, can resist the corrosion of various acid solutions in the flue, excellent in durability; have good extension property, be highly resistant to the destruction that the flue distortion brings.
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, the same end of described flexible protective layer and flexible silicon glue-line all is connected with steel matrix anticorrosive coat on the steel flue gas duct matrix; The other end of described flexible protective layer and flexible silicon glue-line all is connected on the concrete flue matrix by firm screw.
Owing to adopted said structure; make elastic silica gel packed layer, flexible silicon glue-line and flexible protective layer can organically combine for three layers; and surely be connected by ground with steel flue gas duct matrix and concrete flue matrix; has good barrier propterty; guarantee the reliable and stable of anti-corrosion layer structure; and long service life, maintenance cost is low.
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, described firm screw passes the FRP press strip and is connected on the concrete flue matrix, and the upper surface of described FRP press strip and flexible protective layer is fitted.
Owing to adopted said structure, under firm screw, be lined with the FRP press strip, make firm screw just the flexible protective lamination to be got more consolidation, and can not cause damage that its protective layer structure is more surely leaned on, and antiseptic property is better to the flexible protective layer.
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, the surface of described firm screw is provided with the screw sealant.
Owing to adopted said structure, on the surface of screw the screw sealant is set, avoid the acidic liquid in the flue that bolt is caused corrosion, guarantee that its life-span is more of a specified duration.
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, described flexible silicon glue-line adopts the improved elastic organic silicon rubber to make.
Owing to adopted above-mentioned flexible silicon glue-line, have more corrosion resistance, more help the antiseptic property of flue handing-over seam, make its life-span permanent, less maintenance frequency reduces maintenance cost.
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, described elastic silica gel packed layer adopts the improved elastic organic silicon rubber to make.
Owing to adopted above-mentioned flexible silicon glue-line, have more corrosion resistance, more help the antiseptic property of flue handing-over seam, make its life-span permanent, less maintenance frequency reduces maintenance cost.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
1. the anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, simple in structure, convenient to use, and antiseptic effect is good, can overcome the defective of matrix distortion;
2. the anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam can prevent acid liquid corrosion and sweep of gases, and antiseptic property is good, is difficult for infringement, and long service life is with low cost;
3. the anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, anti-wear performance is good, and can prevent from effectively to expand with heat and contract with cold, the influence of acid liquid corrosion and sweep of gases, can reduce maintenance frequency, reduce the working service cost, be beneficial to popularization.
Description of drawings
Fig. 1 is the anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam.
Mark among the figure: 1-concrete flue matrix, 2-flexible protective layer, 3-FRP press strip, the firm screw of 4-, 5-screw sealant, 6-elastic silica gel packed layer, 7-flexible silicon glue-line, 8-steel matrix anticorrosive coat, 9-steel flue gas duct matrix, 10-join seam.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, the anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, has handing-over seam 10 in the junction of concrete flue matrix 1 and steel flue gas duct matrix 9, in described handing-over seam 10, be filled with elastic silica gel and form elastic silica gel packed layer 6, be equipped with elastic silica gel layer 7 on the exposed portions serve of described elastic silica gel packed layer 6, described flexible silicon glue-line 7 is layed on concrete flue matrix 1 and the steel flue gas duct matrix 9 simultaneously, be equipped with flexible protective layer 2 on the described flexible silicon glue-line 7, the same end of described flexible protective layer 2 and flexible silicon glue-line 7 all is connected with steel matrix anticorrosive coat 8 on the steel flue gas duct matrix 9; The other end of described flexible protective layer 2 and flexible silicon glue-line 7; all be fixedly connected on the concrete flue matrix 1 by firm screw 4; described firm screw is pressed with FRP press strip 34 times; described FRP press strip 3 is fitted with the upper surface of flexible protective layer 2; surface at firm screw 4 is provided with screw sealant 5, and described elastic silica gel packed layer 6, flexible silicon glue-line 7 and screw sealant 5, flexible protective layer 2 all adopt the improved elastic organic silicon rubber to make.In the anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, described flexible silicon glue-line 7 is an improved elastic organic silicon rubber layer, and its thickness is 2mm.The thickness of described flexible protective layer 2 is 2mm; therefore the gross thickness at the anti-corrosion layer structure of handing over seam crossing is 4mm; and satisfying under the prerequisite of national standard; allow to exist 10% deviation; the thickness that is flexible protective layer 2 is 2mm ± 10%, and the thickness of flexible silicon glue-line 7 is 2mm ± 10%, and gross thickness is 4mm ± 10%; thereby meet country and industry standard, satisfy the ratio between each layer.
The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, mainly by the thick flexible protective layer of the thick flexible silicon glue-line+2mm of 2 mm as the concrete substrate anti-corrosion layer structure, gross thickness 4 mm.This anti-corrosion layer structure with compare as anticorrosive coat with pure glass fiber reinforced plastic, difficulty of construction is suitable, deformation resistance, corrosion resistance and abrasion resistance are better.With the topping of this anticorrosive coat as steel matrix flue and concrete substrate flue handing-over seam; by experiment; use in some power plant's success test runs; for example, all there is not any phenomenon because of the leakage of anticorrosive coat self structure problem generation burn in Inner Mongol Golconda power plant of unit, Haifeng county, Yibin and many places operation tests such as sharp self-contained thermoelectric plant, Da Erkai power plant, Chongqing.Power plant has also avoided because of anticorrosive coat damages acid liquor leakage taking place, and causes problems such as environment pollution.The anti-corrosion layer structure of steel matrix flue of the present utility model and concrete flue handing-over seam, simple in structure, convenient to use, and antiseptic effect is good, can overcome the defective of matrix distortion; Can prevent acid liquid corrosion and sweep of gases, antiseptic property is good, is difficult for infringement, and long service life is with low cost; Anti-wear performance is good, and can prevent from effectively to expand with heat and contract with cold, the influence of acid liquid corrosion and sweep of gases, can reduce maintenance frequency, reduce the working service cost, be beneficial to popularization.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. the anti-corrosion layer structure of steel matrix flue and concrete flue handing-over seam, have handing-over seam (10) in the junction of concrete flue matrix (1) and steel flue gas duct matrix (9), it is characterized in that: in described handing-over seam (10), be filled with elastic silica gel and form elastic silica gel packed layer (6).
2. the anti-corrosion layer structure of steel matrix flue as claimed in claim 1 and concrete flue handing-over seam, it is characterized in that: be equipped with elastic silica gel layer (7) on the exposed portions serve of described elastic silica gel packed layer (6), described flexible silicon glue-line (7) is layed on concrete flue matrix (1) and the steel flue gas duct matrix (9) simultaneously.
3. the anti-corrosion layer structure of steel matrix flue as claimed in claim 2 and concrete flue handing-over seam is characterized in that: be equipped with flexible protective layer (2) on the described flexible silicon glue-line (7).
4. the anti-corrosion layer structure of steel matrix flue as claimed in claim 3 and concrete flue handing-over seam, it is characterized in that: the same end of described flexible protective layer (2) and flexible silicon glue-line (7) all is connected with steel matrix anticorrosive coat (8) on the steel flue gas duct matrix (9); The other end of described flexible protective layer (2) and flexible silicon glue-line (7) all is fixedly connected on the concrete flue matrix (1) by firm screw (4).
5. the anti-corrosion layer structure of steel matrix flue as claimed in claim 4 and concrete flue handing-over seam; it is characterized in that: described firm screw (4) passes FRP press strip (3) and is connected on the concrete flue matrix (1), and described FRP press strip (3) is fitted with the upper surface of flexible protective layer (2).
6. as the anti-corrosion layer structure of claim 4 or 5 described steel matrix flues and concrete flue handing-over seam, it is characterized in that: the surface of described firm screw (4) is provided with screw sealant (5).
7. as the anti-corrosion layer structure of each described steel matrix flue of claim 1 to 5 and concrete flue handing-over seam, it is characterized in that: described elastic silica gel packed layer (6) adopts the improved elastic organic silicon rubber to make.
8. as the anti-corrosion layer structure of each described steel matrix flue of claim 2 to 5 and concrete flue handing-over seam, it is characterized in that: described flexible silicon glue-line (7) adopts the improved elastic organic silicon rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200879843U CN202023401U (en) | 2011-03-30 | 2011-03-30 | Anti-corrosion layer structure of connecting seam of steel-base-body flue and concrete flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200879843U CN202023401U (en) | 2011-03-30 | 2011-03-30 | Anti-corrosion layer structure of connecting seam of steel-base-body flue and concrete flue |
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| Publication Number | Publication Date |
|---|---|
| CN202023401U true CN202023401U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200879843U Expired - Lifetime CN202023401U (en) | 2011-03-30 | 2011-03-30 | Anti-corrosion layer structure of connecting seam of steel-base-body flue and concrete flue |
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| Country | Link |
|---|---|
| CN (1) | CN202023401U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877682A (en) * | 2012-09-13 | 2013-01-16 | 成都龙泉防腐工程有限公司 | Anticorrosion device of thermal power chimney and construction method for anticorrosion device |
| CN104863410A (en) * | 2015-05-21 | 2015-08-26 | 华电电力科学研究院 | Glass steel anti-corrosion chimney |
| CN112032751A (en) * | 2020-09-01 | 2020-12-04 | 成都龙之泉科技股份有限公司 | Chimney and steel matrix flue joint anticorrosive layer structure and preparation method thereof |
-
2011
- 2011-03-30 CN CN2011200879843U patent/CN202023401U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877682A (en) * | 2012-09-13 | 2013-01-16 | 成都龙泉防腐工程有限公司 | Anticorrosion device of thermal power chimney and construction method for anticorrosion device |
| CN102877682B (en) * | 2012-09-13 | 2014-07-02 | 成都龙之泉科技股份有限公司 | Anticorrosion device of thermal power chimney |
| CN104863410A (en) * | 2015-05-21 | 2015-08-26 | 华电电力科学研究院 | Glass steel anti-corrosion chimney |
| CN112032751A (en) * | 2020-09-01 | 2020-12-04 | 成都龙之泉科技股份有限公司 | Chimney and steel matrix flue joint anticorrosive layer structure and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU LONGZHIQUAN SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER NAME: CHENGDU LONGQUAN ANTI-CORROSION ENGINEERING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610100 No. 353 whale long road, Longquanyi District, Sichuan, Chengdu Patentee after: Chengdu Longzhiquan Science & Technology Co., Ltd. Address before: 610100 No. 353 whale long road, Longquanyi District, Sichuan, Chengdu Patentee before: Chengdu Longquan Anti-Corrosion Engineering Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |