CN2502137Y - Power station boiler fiobre spraying insulating wall - Google Patents
Power station boiler fiobre spraying insulating wall Download PDFInfo
- Publication number
- CN2502137Y CN2502137Y CN 01268410 CN01268410U CN2502137Y CN 2502137 Y CN2502137 Y CN 2502137Y CN 01268410 CN01268410 CN 01268410 CN 01268410 U CN01268410 U CN 01268410U CN 2502137 Y CN2502137 Y CN 2502137Y
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- layer
- fiber
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Abstract
The utility model relates to boiler, being a fiber spraying insulating wall for power station boiler, which has a boiler casing whose inner wall is sprayed with rockwool layer, and the rrockwool layer is sprayed with fiber layer which is connected with a water cooling wall tube. The utility model injects out the pretreated dispersed fireproof fiber cotton and the special inorganic high temperature bonding agent in a certain pressure at the same time, which can prevent the fiber from becoming ball shape and make the fiber spraying layer be in three-dimension net structure as well as promising no inner stress, no unit slot and no crazing or stripping; moreover, the utility model has advantages of quick construction speed, high quality and strong labor intensity as well as reducing the weight of the boiler wall in a large scale, etc.
Description
Technical field:
The utility model relates to boiler, is a kind of fiber coating insulation furnace wall that is exclusively used in station boiler.
Background technology:
Existing station boiler insulation furnace wall all adopts moulding materials such as rock wool, felt, blanket piece and plate to do insulation material, the material deficiency of these insulation layers is: generally can only adopt hand paste and installation, hang apposition on the grapple of water-cooling wall or inner casing, water-cooling wall or inner casing concentrate on some fixed points its support force, discontinuity, thermal stress is big; And through vertical masonry joint is arranged, and heat insulation effect is not good enough, and heat-insulation layer is spliced by the insulation material manufactured goods, makes the integral sealing effect of heat-insulation layer poor; Labour intensity is big, and speed of application is slow, and construction quality be cannot say for sure card, service life short and maintenance difficult etc.
Summary of the invention:
The purpose of this utility model is, a kind of station boiler fiber coating insulation furnace wall is provided, make it have following advantage: it will be through pretreated diffusing shape refractory fiber cotton and special-purpose inorganic high-temp bond ejection simultaneously under certain pressure, it has can avoid fiber balling-up bulk, can make the fiber coating layer be tridimensional network, internal stress free, no unit seam, cracking do not occur and peel off phenomenon, speed of application is fast, quality is high, and the labour intensity height can alleviate furnace wall weight etc. significantly.
The utility model adopts following scheme to solve in order to solve the existing in prior technology problem, and it has furnace shell, sprays rock wool layer on the furnace shell inwall, spray fiber layer on the rock wool layer, and fibrage engages with water screen tube.The contrary snap ring of heat resisting steel is installed between rock wool layer and the fibrage.Furnace shell inwall place installation fins is installed fire-resistant steel anchor studs on the fin, the other end of anchor studs penetrates in the rock wool layer.
The utility model learns to have following advantage through repetition test: finished product thermal insulation layers such as mineral fibres cotton, felt, blanket piece are installed in the hand paste of adopting rock wool, fiber coating heat-insulation layer to substitute known technology, make the fiber coating layer be tridimensional network, stressed even, internal stress free, no unit seam cracking do not occur and peel off phenomenon; Adopt anti-steel anchor studs, contrary snap ring structure, make the utility model reach the purpose that alleviates furnace wall weight, make the designs simplification of furnace wall, metal wastage low.The utility model speed of application is fast, quality is high, and labour intensity is low, long service life and easy to maintenance, has strengthened the sealing of whole furnace wall and heat insulation effect etc. significantly.
Description of drawings:
Accompanying drawing 1 is the station boiler schematic diagram, and accompanying drawing 2 is A-A section structure for amplifying schematic diagrames in the accompanying drawing 1, mainly illustrates the utility model structure.
The specific embodiment:
The utility model mainly improves the furnace wall of station boiler, and 1 is boiler jacket in the accompanying drawing, spraying rock wool layer 18 on shell 1 inwall, and spray fiber layer 17 on the rock wool layer 18, fibrage 17 engages with water screen tube 14.The contrary snap ring 16 of heat resisting steel is installed between rock wool layer 18 and the fibrage 17.Furnace shell 1 inwall place installation fins 15 is installed fire-resistant steel anchor studs 12 on the fin 15, the other end of anchor studs 12 penetrates in the rock wool layer 18.Fiber coating layer 17 in the present embodiment adopts general aluminum fiber spraying.Spraying rock wool layer of the present utility model and fibrage are integrated, make the various performances of integral heat insulation layer all be preferable states.When the utility model when thin, can not adopt the structure of contrary snap ring and anchor studs with rock wool layer and fibrage setting as required.In order further to gain in strength and to improve the furnace wall overall performance, small-sized anchor studs 13 also can be installed in the fiber coating layer 17.2 is combustion chambers among the figure, the 3rd, and wall superheater, the 4th, back screen superheater, the 5th, middle temperature reheater, the 6th, high temperature reheater, the 7th, high temperature superheater, the 8th, low temperature superheater, the 9th, high-temperature air preheater, the 10th, economizer, the 11st, low-temperature air preheater.The utility model not detailed description is a known technology.
Claims (3)
1, station boiler fiber coating insulation furnace wall, it has furnace shell (1), it is characterized in that: spray rock wool layer (18) on furnace shell (1) inwall, rock wool layer (18) is gone up spray fiber layer (17), and fibrage (17) engages with water screen tube (14).
2, station boiler fiber coating insulation furnace wall according to claim 1 is characterized in that: the contrary snap ring (16) of heat resisting steel is installed between rock wool layer (18) and the fibrage (17).
3, station boiler fiber coating insulation furnace wall according to claim 1, it is characterized in that: furnace shell (1) inwall place installation fins (15), fin (15) are gone up fire-resistant steel anchor studs (12) are installed, and the other end of anchor studs (12) penetrates in the rock wool layer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01268410 CN2502137Y (en) | 2001-11-12 | 2001-11-12 | Power station boiler fiobre spraying insulating wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01268410 CN2502137Y (en) | 2001-11-12 | 2001-11-12 | Power station boiler fiobre spraying insulating wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2502137Y true CN2502137Y (en) | 2002-07-24 |
Family
ID=33674599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01268410 Expired - Fee Related CN2502137Y (en) | 2001-11-12 | 2001-11-12 | Power station boiler fiobre spraying insulating wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2502137Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435400A (en) * | 2016-05-25 | 2017-12-05 | 北新集团建材股份有限公司 | A kind of preparation method of fire-resistant light granules wall in-situ spraying filling |
-
2001
- 2001-11-12 CN CN 01268410 patent/CN2502137Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435400A (en) * | 2016-05-25 | 2017-12-05 | 北新集团建材股份有限公司 | A kind of preparation method of fire-resistant light granules wall in-situ spraying filling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |