CN107781802A - A kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating - Google Patents
A kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating Download PDFInfo
- Publication number
- CN107781802A CN107781802A CN201610731219.8A CN201610731219A CN107781802A CN 107781802 A CN107781802 A CN 107781802A CN 201610731219 A CN201610731219 A CN 201610731219A CN 107781802 A CN107781802 A CN 107781802A
- Authority
- CN
- China
- Prior art keywords
- wall
- water cooling
- cooling tube
- supporting plate
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
- F22D1/04—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement
- F22D1/06—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways the tubes having plain outer surfaces, e.g. in vertical arrangement in horizontal arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
Abstract
The invention discloses a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating,Including refractory wall,The refractory wall outer wall is vertically provided with supporting plate,The supporting plate is identical two groups,Supporting plate is symmetrical in refractory wall outer wall described in two groups,The supporting plate outer wall is horizontally arranged with water cooling tube,The present invention in water cooling pipe outer wall by being coated with etch-resistant coating,High temperature resistance coating is coated with etch-resistant coating outer wall,Wear-resistant coating is coated with the outer wall of high temperature resistance coating,Make wearability and the corrosion resistance increase of economizer water cooling tube,Slow down by the presence of the material long term wear of flue gas carrying,The problem of water cooling tube wall is thinned rapidly,Pass through being engaged for water cooling tube and elastic component,Make the mitigation strong in expanded by heating of economizer water cooling tube,Water cooling tube is avoided because of the alleviation device without corresponding force,Make water cooling tube that drawing crack occur,Seal failure,The problem of emitting ash.
Description
Technical field
The present invention relates to boiler economizer technical field, specially a kind of pot with supersonic spray coating wear-resisting erosion resistance coating
Stove economizer water cooling tube.
Background technology
At present, in conventional coal chemical industry plate, there are HG-75/5.3-L.HM CFBBs two.Recently as
The continuous improvement of people's environmental consciousness, CFBB with obtained the advantages of its high-efficiency desulfurization, denitrogenation widely should
With, during use, often occur boiler economizer water cooling tube abrasion leakage failure, leakage occur the reason for be by
There are concentrated wear and obscission in water cooling tube on boiler economizer, in the presence of the material long term wear carried by flue gas,
Water cooling tube wall is thinned rapidly, leaked, and flue gas is in the dish-type pipe of economizer water cooling tube, and ascending air and down current exist in operation
It is here formed as being vortexed, strong wear can be also caused to water screen tube, but in actual use, boiler water wall heated metal occurs
Expansion, water-cooling wall can be made, because existing water-cooling wall does not have the alleviation device of corresponding force, to be held by larger expansion force and stress
Easily make water cooling tube that drawing crack, seal failure occur, emit situations such as ash, influence the safety in production of boiler, therefore, design on this basis
A kind of boiler water wall with supersonic spray coating wear-resisting erosion resistance coating.
The content of the invention
It is an object of the invention to provide a kind of boiler water cooling tube with supersonic spray coating wear-resisting erosion resistance coating, to solve
Itd is proposed in above-mentioned background technology in the presence of the material long term wear carried by flue gas, water cooling tube wall rapidly be thinned, leak
Expanded with boiler water cooling tube heated metal, water cooling tube can be made by larger expansive force, because existing water-cooling wall does not have
The alleviation device of corresponding force, easily make water cooling tube that drawing crack, seal failure occur, emit the problem of ash etc..
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this：One kind is resistance to supersonic spray coating
The boiler economizer of etch-resistant coating is ground, including refractory wall, the outer wall of the refractory wall are vertically provided with multigroup supporting plate, the branch
The outer wall of fagging is horizontally arranged with water cooling tube, and the water cooling tube is evenly arranged in the outer wall of supporting plate, the top of the water cooling tube
Left end is provided with delivery port, and the bottom left end of the water cooling tube is provided with water inlet, elastic component is provided between adjacent water cooling tube, described
The outer wall of water cooling tube is coated with etch-resistant coating, and the outer wall of the etch-resistant coating is coated with high temperature resistance coating, the high temperature resistance coating
Outer wall be coated with wear-resistant coating.
The supporting plate is two groups of identical, and supporting plate is symmetrical in the outer wall of refractory wall described in two groups.
The outer wall of the supporting plate offers neck.
The outer wall of the U-shaped junction of the water cooling tube is provided with clip, and screw, the spiral shell are provided with the top of the clip
Nail is fixed in the neck of supporting plate.
The water cooling tube is WTS-88AU metal alloy silk material pipes, and the outer wall treated surface roughness of water cooling tube accords with
Close Sa3 levels.
The method have the advantages that：
The present invention is coated with etch-resistant coating by the outer wall in water cooling tube, and high temperature resistance coating is coated with the outer wall of etch-resistant coating,
Wear-resistant coating is coated with the outer wall of high temperature resistance coating, makes wearability and the corrosion resistance increase of water cooling tube, slows down and taken by flue gas
In the presence of the material long term wear of band, water cooling tube wall rapidly be thinned, leak the problem of, pass through the matching of water cooling tube and elastic component
Close, make the water cooling tube mitigation strong in expanded by heating, avoid water cooling tube because of the alleviation device without corresponding force, make water
Cold pipe occurs drawing crack, seal failure, emits the problem of ash etc., by being engaged for water inlet and delivery port, cooling water is followed
Ring uses, saving water resource.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is water cooling tube broken section structural representation；
Fig. 3 is A portions mplifying structure schematic diagram.
In figure：Refractory wall 1, supporting plate 2, water cooling tube 3, delivery port 4, elastic component 5, water inlet 6, etch-resistant coating 7, high-temperature coating
Layer 8, wear-resistant coating 9, clip 10, screw 11.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
As Figure 1-3, a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating, including refractory wall 1, institute
The outer wall for stating refractory wall 1 is vertically provided with multigroup supporting plate 2, and the outer wall of the supporting plate 2 is horizontally arranged with water cooling tube 3, described
Water cooling tube 3 is evenly arranged in the outer wall of supporting plate 2, and the top left of the water cooling tube 3 is provided with delivery port 4, the water cooling tube 3
Bottom left end is provided with water inlet 6, is provided with elastic component 5 between adjacent water cooling tube 3, and the outer wall of the water cooling tube 3 is coated with against corrosion
Coating 7, the outer wall of the etch-resistant coating 7 are coated with high temperature resistance coating 8, and the outer wall of the high temperature resistance coating 8 is coated with wear-resisting painting
Layer 9.
Further, the supporting plate 2 is two groups of identical, and supporting plate 2 described in two groups is in left and right in the outer wall of refractory wall 1
Symmetrically.
Further, the outer wall of the supporting plate 2 offers neck.By neck the fixed of water cooling tube 3 can be facilitated to pacify
Dress, ensure that bonding strength.
Further, the outer wall of the U-shaped junction of the water cooling tube 3 is provided with clip 10, and the top of the clip 10 is set
Screw 11 is equipped with, the screw 11 is fixed in the neck of supporting plate 2.Make the U-shaped connecting tube junction expanded by heating of water cooling tube 3
Shi Youli alleviation, makes the service life of junction increase
Further, the water cooling tube 3 is WTS-88AU metal alloy silk material pipes, and the outer wall treated surface of water cooling tube 3
Roughness meets Sa3 levels.Make during spraying sprayed coating uniformly and meet spraying to require.
The present invention the course of work and operation principle be：
The present invention is coated with high temperature resistance by being coated with etch-resistant coating 7 in the outer wall of water cooling tube 3, in the outer wall of etch-resistant coating 7 and applied
Layer 8, be coated with wear-resistant coating 9 in the outer wall of high temperature resistance coating 8, make water cooling tube 3 wearability and corrosion resistance increase, slow down by
Flue gas carry material long term wear in the presence of, the wall of water cooling tube 3 rapidly be thinned, leak the problem of, pass through water cooling tube 3 and elasticity
Part 5 is engaged, and makes the mitigation strong in expanded by heating of water cooling tube 3, avoids water cooling tube 3 because without the slow of corresponding force
Device is solved, makes water cooling tube 3 that drawing crack, seal failure occur, emit the problem of ash etc., by being engaged for water inlet 4 and delivery port 6,
Cooling water circulating is used, saving water resource, by opening up neck in the outer wall of supporting plate 2, make the U-shaped company of water cooling tube 3
Adapter junction is in sealing state, reduces the abrasion of junction, is connected to by screw 11 at the neck of supporting plate 2, makes water
There is the alleviation of individual power during the U-shaped connecting tube junction expanded by heating of cold pipe 3, make the service life of junction increase, by water
The U-shaped design of cold pipe 3, water cooling tube 3 is formed water-cooling wall, make the contact area of water cooling increase, optimize water-cooled effect.
Above-described embodiment is used for illustrating the present invention, rather than limits the invention, the present invention spirit and
In scope of the claims, to any modifications and changes of the invention made, protection scope of the present invention is both fallen within.
Claims (5)
1. a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating, including refractory wall（1）, it is characterised in that：Institute
State refractory wall（1）Outer wall be vertically provided with multigroup supporting plate（2）, the supporting plate（2）Outer wall be horizontally arranged with water cooling tube
（3）, the water cooling tube（3）It is evenly arranged in supporting plate（2）Outer wall, the water cooling tube（3）Top left be provided with delivery port
（4）, the water cooling tube（3）Bottom left end be provided with water inlet（6）, adjacent water cooling tube（3）Between elastic component is installed（5）, institute
State water cooling tube（3）Outer wall be coated with etch-resistant coating（7）, the etch-resistant coating（7）Outer wall be coated with high temperature resistance coating（8）,
The high temperature resistance coating（8）Outer wall be coated with wear-resistant coating（9）.
2. a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating according to claim 1, its feature exist
In：The supporting plate（2）For two groups of identical, supporting plate described in two groups（2）In refractory wall（1）Outer wall it is symmetrical.
3. a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating according to claim 1, its feature exist
In：The supporting plate（2）Outer wall offer neck.
4. a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating according to claim 1, its feature exist
In：The water cooling tube（3）The outer wall of U-shaped junction be provided with clip（10）, the clip（10）Top be provided with screw
（11）, the screw（11）It is fixed on supporting plate（2）Neck in.
5. a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating according to claim 1, its feature exist
In：The water cooling tube（3）It is WTS-88AU metal alloy silk material pipes, and water cooling tube（3）Outer wall treated surface roughness
Meet Sa3 levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731219.8A CN107781802A (en) | 2016-08-26 | 2016-08-26 | A kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731219.8A CN107781802A (en) | 2016-08-26 | 2016-08-26 | A kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107781802A true CN107781802A (en) | 2018-03-09 |
Family
ID=61439401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610731219.8A Pending CN107781802A (en) | 2016-08-26 | 2016-08-26 | A kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107781802A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907064A (en) * | 2018-09-17 | 2018-11-30 | 浙江杭摩欧亿汽车零部件有限公司 | The pressed radiator of brake block |
| CN109059380A (en) * | 2018-09-17 | 2018-12-21 | 浙江杭摩欧亿汽车零部件有限公司 | Improved water-cooled mechanism |
-
2016
- 2016-08-26 CN CN201610731219.8A patent/CN107781802A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907064A (en) * | 2018-09-17 | 2018-11-30 | 浙江杭摩欧亿汽车零部件有限公司 | The pressed radiator of brake block |
| CN109059380A (en) * | 2018-09-17 | 2018-12-21 | 浙江杭摩欧亿汽车零部件有限公司 | Improved water-cooled mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180309 |