CN201889147U - Anti-corrosive layer structure for smoke gas inlet bottom plate of desulfurization absorption tower - Google Patents
Anti-corrosive layer structure for smoke gas inlet bottom plate of desulfurization absorption tower Download PDFInfo
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- CN201889147U CN201889147U CN2011200067215U CN201120006721U CN201889147U CN 201889147 U CN201889147 U CN 201889147U CN 2011200067215 U CN2011200067215 U CN 2011200067215U CN 201120006721 U CN201120006721 U CN 201120006721U CN 201889147 U CN201889147 U CN 201889147U
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Abstract
The utility model discloses an anti-corrosive layer structure for smoke gas inlet bottom plate of a desulfurization absorption tower, which belongs to the technical field of an anti-corrosive technology. The anti-corrosive layer structure for the smoke gas inlet bottom plate of the desulfurization absorption tower disclosed by the utility model is characterized in that the smoke gas inlet bottom plate is mainly made of a bottom plate steel substrate (1), a resin scale layer (2) is paved on the bottom plate steel substrate (1), and a ceramic acid-resistance brick (3) is paved on the resin scale layer (2). The anti-corrosive layer structure for the smoke gas inlet bottom plate of the desulfurization absorption tower disclosed by the utility model has the advantages of simple structure, low cost, low construction difficulty, good anti-corrosive performance and seepage resistance, can prevent the acid liquid corrosion and slurry flushing, can sufficiently resist the corrosion of various kinds of acid liquid, has a reduced maintenance cost and is favorable for popularization.
Description
Technical field
The utility model relates to a kind of aseptic technic, particularly a kind of anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate.
Background technology
A large amount of SO2 are contained from the flue gas of boiler emission in thermal power plant before not setting up desulfurizer, directly the chimney by power plant enters atmosphere, and SO2 combines the formation acid solution with airborne moisture, accumulate over a long period with the form contaminated environment of acid rain, influences the healthy of people.After the power plant desulfurization device was set up, this environmental issue was just solved.The nucleus equipment of desulfurizer is a desulfuration absorbing tower, and it is the cardiac component of desulfurizer, and desulfuration absorbing tower adds that by carbon steel structure rational anti-corrosion layer structure forms, and therefore selects rational anti-corrosion layer structure very important.Because containing the flue gas of a large amount of SO2 passes through from desulfuration absorbing tower; so whole desulfurizing tower inside is sour environment; the corrosion protective covering structure of carrying out desulfurizing tower inside is very important; if it is unreasonable that anti-corrosion layer structure is selected, corrosion protective covering does not play the protection buffer action, and acid solution is passed anti-corrosion layer structure and is penetrated into carbon steel shell; corrosion carbon steel shell and boring a hole; a large amount of acid liquor leakages go out the desulfurizing tower contaminated environment, even cause desulfurizing tower not use, and entire power plant is shut down the serious consequence that can not generate electricity.
In the prior art, a kind of scheme is to utilize the C276 alloy sheets as anticorrosive coat parcel desulfurizing tower smoke inlet base plate, and its effect is better, but there is the too high weak point of cost in it; Also having a kind of scheme is to utilize rubber slab to do anticorrosive coat parcel base plate, its antiseptic effect is better, but still there is a higher defective of cost, simultaneously, its wear-resisting poor effect, generally, operation 2-3, the phenomenon that rubber slab is washed away, bores a hole happens occasionally, the corresponding high problem of maintenance cost of bringing.Also having a kind of scheme is to adopt the vinyl ester resin scale to add fiberglass parcel base plate, favorable anti-corrosion effect, but still have the higher defective of cost, simultaneously, its wear-resisting weak effect used about 1 year, the phenomenon that anticorrosive coat is washed away perforation is many, the corresponding high problem of maintenance cost of bringing.
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, can prevent acid liquid corrosion and sweep of gases, with low cost, difficulty of construction is low, the anti-corrosion layer structure of favorable anti-corrosion effect, desulfuration absorbing tower smoke inlet base plate that anti-wear performance is good, adopt this anti-corrosion layer structure, can prevent acid liquid corrosion and sweep of gases.
The technical solution adopted in the utility model is as follows:
The anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate of the present utility model, described smoke inlet base plate is mainly made by the base plate steel matrix, is equipped with the resin scale layer on the described base plate steel matrix, is equipped with ceramic acidproof brick on the described resin scale layer.
Owing to adopted said structure, acid intensity at desulfuration absorbing tower smoke inlet place is little, resin scale layer and the combination of ceramic acidproof brick is layed in desulfuration absorbing tower smoke inlet base plate, as the internal layer of anticorrosive coat, can fully resist the corrosion of various acid solutions, and impermeability is arranged; Can resist washing away of slurries fully, acid-resisting is further strengthened; Thereby can resist the corrosion of various acid solutions, have good antiseptic property, excellent in durability.
The anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate of the present utility model, described resin scale layer is the vinyl ester resin scale layer.
Adopt the vinyl ester resin scale layer, had good Corrosion Protection.
The anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate of the present utility model, the thickness of described ceramic acidproof brick are 20mm.
According to desulfuration absorbing tower smoke inlet base plate the flue gas of process design suitable ceramic acidproof brick, can the acid-resisting corrosion, satisfy desulfuration absorbing tower and use for a long time, can form the thinnest anticorrosive coat again, thereby reach the effect of saving cost.
The anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate of the present utility model, the thickness of described resin scale layer are 2mm, to satisfy optimal thickness.
In sum, owing to adopted technique scheme, the beneficial effects of the utility model are:
1. the anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate of the present utility model, simple in structure, with low cost, difficulty of construction is low;
2. the anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate of the present utility model can prevent that acid liquid corrosion and slurries from washing away, and antiseptic property is good;
3. the anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate of the present utility model can fully be resisted the corrosion of various acid solutions, and impermeability is arranged, and has reduced maintenance cost, is beneficial to popularization.
Description of drawings
Fig. 1 is the anti-corrosion layer structure schematic diagram of desulfuration absorbing tower smoke inlet base plate of the present utility model.
Mark among the figure: 1-base plate steel matrix, 2-resin scale layer, 3-pottery acidproof brick.
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 desulfuration absorbing tower smoke inlet base plate of the present utility model, described smoke inlet base plate is mainly made by base plate steel matrix 1, be equipped with resin scale layer 2 on the described base plate steel matrix 1, be equipped with ceramic acidproof brick 3 on the described resin scale layer 2, described resin scale layer 2 is the vinyl ester resin scale layer, and the thickness of described ceramic acidproof brick 3 is 20mm, and the thickness of described resin scale layer 2 is 2mm.The anticorrosive coat gross thickness of desulfuration absorbing tower smoke inlet base plate of the present utility model is 22mm, and allow to exist 10% deviation, the thickness that is fat scale layer 2 is 2mm ± 10%, the thickness of pottery acidproof brick 3 is 20mm ± 10%, gross thickness is 22mm ± 10%, thereby, meet country and industry standard, satisfy the ratio between each layer.
The anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate of the present utility model, for the thick ceramic acidproof brick 4 of the thick vinyl base ester resin scale+20mm of 2mm as the base plate anti-corrosion layer structure, gross thickness 22 ㎜.This anti-corrosion layer structure with compare as anticorrosive coat with C276, corrosion-resistant suitable with wearability, expense is lower; With compare as anticorrosive coat with rubber layer, corrosion resistance is suitable, wearability is better, expense is lower.With the protective layer of this anticorrosive coat as base plate; by experiment; use in some power plant's success test runs; for example in power plant such as Tongchuan, Shaanxi power plant, Yongji, Shanxi power plant, Sichuan Huaying hill power plant, the yellow power plant in Lip river, Chongqing; anti-corrosion layer structure of the present utility model uses the ceramic acidproof brick 4 that the thick vinyl ester resin scale of 2 ㎜+20 ㎜ are thick, and gross thickness 22 ㎜ are as the base plate anti-corrosion layer structure; its operate time has reached more than 2 years, no any phenomenon because of anticorrosive coat self structure problem generation corrosion leakage.Power plant has also avoided because of anticorrosive coat damages acid liquor leakage taking place, and causes environmental pollution problems.
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 (5)
1. the anti-corrosion layer structure of a desulfuration absorbing tower smoke inlet base plate, described smoke inlet base plate is mainly made by base plate steel matrix (1), it is characterized in that: be equipped with resin scale layer (2) on the described base plate steel matrix (1), be equipped with ceramic acidproof brick (3) on the described resin scale layer (2).
2. the anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate according to claim 1 is characterized in that: described resin scale layer (2) is the vinyl ester resin scale layer.
3. the anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate according to claim 1 and 2 is characterized in that: the thickness of described ceramic acidproof brick (3) is 20mm.
4. the anti-corrosion layer structure of desulfuration absorbing tower smoke inlet base plate according to claim 1 and 2 is characterized in that: the thickness of described resin scale layer (2) is 2mm.
5. the anti-corrosion layer structure of desulfuration absorbing tower smoke inlet according to claim 3 is characterized in that: the thickness of described resin scale layer (2) is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200067215U CN201889147U (en) | 2011-01-11 | 2011-01-11 | Anti-corrosive layer structure for smoke gas inlet bottom plate of desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200067215U CN201889147U (en) | 2011-01-11 | 2011-01-11 | Anti-corrosive layer structure for smoke gas inlet bottom plate of desulfurization absorption tower |
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| Publication Number | Publication Date |
|---|---|
| CN201889147U true CN201889147U (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200067215U Expired - Lifetime CN201889147U (en) | 2011-01-11 | 2011-01-11 | Anti-corrosive layer structure for smoke gas inlet bottom plate of desulfurization absorption tower |
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| Country | Link |
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| CN (1) | CN201889147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343697A (en) * | 2011-10-12 | 2012-02-08 | 成都龙泉防腐工程有限公司 | Anticorrosive and wear-resistant material for spraying zones of desulfurization towers |
-
2011
- 2011-01-11 CN CN2011200067215U patent/CN201889147U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343697A (en) * | 2011-10-12 | 2012-02-08 | 成都龙泉防腐工程有限公司 | Anticorrosive and wear-resistant material for spraying zones of desulfurization towers |
| CN102343697B (en) * | 2011-10-12 | 2013-11-20 | 成都龙泉防腐工程有限公司 | Anticorrosive and wear-resistant material for spraying zones of desulfurization towers |
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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: 20110706 |