CN203848309U - Corrosion prevention FRP liner for wet desulphurization chimney - Google Patents
Corrosion prevention FRP liner for wet desulphurization chimney Download PDFInfo
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- CN203848309U CN203848309U CN201420280122.6U CN201420280122U CN203848309U CN 203848309 U CN203848309 U CN 203848309U CN 201420280122 U CN201420280122 U CN 201420280122U CN 203848309 U CN203848309 U CN 203848309U
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- CN
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- Prior art keywords
- wet desulphurization
- carbon fiber
- thickness
- desulphurization chimney
- corrosion prevention
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Abstract
The utility model relates to a corrosion prevention FRP liner for a wet desulphurization chimney. The corrosion prevention FRP liner for the wet desulphurization chimney comprises carbon fiber and glass fiber mixed needled felt and is characterized in that adhesive layers are arranged on the upper surface and the lower surface of the carbon fiber and glass fiber mixed needled felt and the surfaces of the adhesive layers are inflaming retarding abrasion resistance layers. The thickness of the carbon fiber and glass fiber mixed needled felt ranges from 6.2 mm to 15.0 mm, and the gram weight of the felt is 2000 g/m<2>. The thickness of each adhesive layer ranges from 1.2 mm to 2.0 mm. The thickness of each inflaming retarding abrasion resistance layer ranges from 2.5 mm to 3.0 mm. The corrosion prevention FRP liner for the wet desulphurization chimney has the advantages of being good in corrosion resistance and inflaming retarding performance, long in service life, moderate in manufacturing cost, short in construction period and the like.
Description
Technical field
The utility model relates to a kind of corrosion-resistant lining material, is specially the anticorrosion FRP liner of a kind of wet desulphurization chimney.
Background technology
Coal-burning power plant adopts after wet desulphurization, wet flue gas dewfall in chimney forms condensation acid solution, chimney is produced to very strong corrosivity, domestic present stage generally adopts spraying, patch block and titanium alloy inner core etc., adopt acidproof brick easily to occur cracking, come off or acid solution seepage, the ruuning situation of the sleeve-type chimney of employing titanium steel composite board or nickel-base alloy composite plate is good, but its cost is higher.
Summary of the invention
The utility model, for the problems referred to above, provides a kind of wet desulphurization chimney anticorrosion FRP liner, has decay resistance better, and fire resistance is good, longer service life, the advantage such as cost is moderate, and the completion time of project is short.
The technical solution of the utility model is: the anticorrosion FRP liner of a kind of wet desulphurization chimney, comprise carbon fiber and glass fibre mixing Nomex, it is characterized in that: at described carbon fiber, having adhesive phase with the upper and lower surface of glass fibre mixing Nomex, is fire-retardant wearing course on the surface of adhesive phase.
Described carbon fiber is 6.2～15.0 millimeters with the thickness of glass fibre mixing Nomex, grammes per square metre 2000g/m
2.
The thickness of described adhesive phase is 1.2～2.0 millimeters.
The thickness of described fire-retardant wearing course is 2.5～3.0 millimeters.
The beneficial effects of the utility model are: it is better to the utlity model has decay resistance, and fire resistance is good, longer service life, the advantage such as cost is moderate, and the completion time of project is short.
Compared with prior art, the utlity model has following advantage, economic effect:
1) by adding special anti-wear agent in chimney lining layer, improve the wearability of inner wall of stack, to resist sweep of gases;
2) carbon fiber that employing can be conducted electricity in inner liner fiber is as reinforcing material, and when flue gas and inner wall of stack friction produce static, static is transmitted to and is connect electric system by carbon fiber, enters face and eliminates static dust stratification, long service life;
3) by adding fire retardant in chimney lining layer, improve the fire resistance of chimney.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1. carbon fiber and glass fibre mixing Nomex, 2. adhesive phase, 3. fire-retardant wearing course.
The specific embodiment:
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model is the anticorrosion FRP liner of a kind of wet desulphurization chimney, comprise carbon fiber and glass fibre mixing Nomex 1, it is characterized in that: at described carbon fiber, having adhesive phase 2 with the upper and lower surface of glass fibre mixing Nomex 1, is fire-retardant wearing course 3 on the surface of adhesive phase 2.
Described carbon fiber is 6.2～15.0 millimeters with the thickness of glass fibre mixing Nomex 1, grammes per square metre 2000g/m
2.
The thickness of described adhesive phase 2 is 1.2～2.0 millimeters.
The thickness of described fire-retardant wearing course 3 is 2.5～3.0 millimeters.
In the utility model, carbon fiber obtains by following operation with glass fibre mixing Nomex 1: after the compound → acupuncture → singe → press polish → thermal finalization of braided glass fibre base cloth → spread at the upper and lower layer of glass fibre base cloth carbon fiber and glass fibre, make; Upper and lower surface spraying adhesive phase 2 at carbon fiber with glass fibre mixing Nomex 1, spray coated flame retardant wearing course 3 on the outer surface of adhesive phase 2.
Described adhesive phase 2 obtains by following operation: adipic acid type polyester diol and IPDI are mixed → add catalyst dibutyl tin dilaurate mix and blend → add methyl methacrylate → add titanium dioxide mix and blend → add water-soluble copoly type polyurethane binder of organosiloxane → low-temperature setting → be sprayed on the upper and lower surface → adhesive phase 2 of carbon fiber and fiberglass needled mat 1, and thickness is 1.2 millimeters.
Described fire-retardant wearing course 3 obtains by following operation: gas atomization is prepared the A1-Zn-Si-Mg-Cu-RE-Ti alloyed powder (mass percent of each composition: Al:30%, Si:4%, Zn:40.4%, RE:1.9%, Mg:1.5%, Cu:20%, Ti:2.2%) → add increase on the outer surface that glutinous resin → add polysiloxanes dipropylene glycol monomethyl ether → add glycerine → add modified polyamide wax powder → add fire retardant three fulminuric acid ester → stirrings make it to dissolve → be sprayed on adhesive phase 2 → fire-retardant wearing course 3 of quantitative deionized water → add isothiazolinone corrosion inhibitor → add water-based, thickness is 2.5 millimeters.
The technical performance comparison of the anticorrosion FRP liner of a kind of wet desulphurization chimney and conventional liner
As can be seen here, the utlity model has decay resistance better, fire resistance is good, longer service life, the advantage such as cost is moderate, and the completion time of project is short.
Claims (4)
1. the anticorrosion FRP liner of wet desulphurization chimney, comprises carbon fiber and glass fibre mixing Nomex, it is characterized in that: at described carbon fiber, having adhesive phase with the upper and lower surface of glass fibre mixing Nomex, is fire-retardant wearing course on the surface of adhesive phase.
2. the anticorrosion FRP liner of a kind of wet desulphurization chimney according to claim 1, is characterized in that: described carbon fiber is 6.2～15.0 millimeters with the thickness of glass fibre mixing Nomex, grammes per square metre 2000g/m
2.
3. the anticorrosion FRP liner of a kind of wet desulphurization chimney according to claim 1, is characterized in that: the thickness of described adhesive phase is 1.2～2.0 millimeters.
4. the anticorrosion FRP liner of a kind of wet desulphurization chimney according to claim 1, is characterized in that: the thickness of described fire-retardant wearing course is 2.5～3.0 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280122.6U CN203848309U (en) | 2014-05-24 | 2014-05-24 | Corrosion prevention FRP liner for wet desulphurization chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280122.6U CN203848309U (en) | 2014-05-24 | 2014-05-24 | Corrosion prevention FRP liner for wet desulphurization chimney |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848309U true CN203848309U (en) | 2014-09-24 |
Family
ID=51561319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280122.6U Expired - Fee Related CN203848309U (en) | 2014-05-24 | 2014-05-24 | Corrosion prevention FRP liner for wet desulphurization chimney |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848309U (en) |
-
2014
- 2014-05-24 CN CN201420280122.6U patent/CN203848309U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuxi Libao Science & Technology Development Co., Ltd. Assignor: Libao Technology Co., Ltd. Contract record no.: 2015320010148 Denomination of utility model: Preparation method for anticorrosion FRP lining of wet desulphurization chimney Granted publication date: 20140924 License type: Exclusive License Record date: 20151022 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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: 20140924 Termination date: 20180524 |