CN205957139U - Boiler economizer with wear -resisting etch resistant coating of supersonic speed spraying - Google Patents
Boiler economizer with wear -resisting etch resistant coating of supersonic speed spraying Download PDFInfo
- Publication number
- CN205957139U CN205957139U CN201620949697.1U CN201620949697U CN205957139U CN 205957139 U CN205957139 U CN 205957139U CN 201620949697 U CN201620949697 U CN 201620949697U CN 205957139 U CN205957139 U CN 205957139U
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- wall
- cooling tube
- water cooling
- water
- wear
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Abstract
The utility model discloses a boiler economizer with wear -resisting etch resistant coating of supersonic speed spraying, including resistant hot wall, the vertical backup pad that is provided with of the outer wall of nai hot wall, the backup pad is the same two sets of, two sets of the backup pad is bilateral symmetry at the outer wall of nai hot wall, support plate outer wall transversely is provided with the water -cooled tube, the utility model discloses a there is the etch resistant coating in the spraying of water -cooled tube outer wall, there is anti high temperature coating in the spraying of etch resistant coating outer wall, outer wall spraying in anti high temperature coating has wear -resistant coating, the wearability and the corrosion resistance that make the economizer water -cooled tube increase, slow down under the long -term effect of wearing and tearing of the material that is carried by the flue gas, the problem of the rapid attenuate of water -cooling pipe wall, through cooperateing of water -cooled tube and elastic component, make that the economizer water -cooled tube is strong when the thermal expansion alleviates the effect, the alleviate device of water -cooled tube because of there not being looks stress has been avoided, make the water -cooled tube take place the drawing breakage, seal failure, emit the problem of ash.
Description
Technical field
This utility model is related to boiler economizer technical field, and specially one kind carries supersonic spray coating wear-resisting erosion resistance coating
Boiler economizer water cooling tube.
Background technology
At present, in conventional Coal Chemical Industry plate, there is HG-75/5.3-L.HM CFBB two.Recently as
The continuous improvement of people's environmental consciousness, CFBB with its high-efficiency desulfurization, the advantage of denitrogenation and obtained widely should
With, use during, often occur boiler economizer water cooling tube abrasion reveal fault, reveal occur the reason be by
On boiler economizer, water cooling tube has concentrated wear and obscission, in the presence of the material long term wear being carried by flue gas,
Water-cooled tube wall is thinning rapidly, leakage, and in the dish-type pipe of economizer water cooling tube, in operation, ascending air and down current exist flue gas
It is here formed as being vortexed, also can cause strong wear to water screen tube, but in actual use, boiler water wall heated metal occurs
Expand, water-cooling wall can be made to be subject to larger expansion force and stress, because existing water-cooling wall does not have the alleviation device of corresponding force, hold
Situations such as easily make water cooling tube drawing crack, seal failure occur, emit ash, the safety in production of impact boiler, therefore, designs on this basis
A kind of boiler water wall with supersonic spray coating wear-resisting erosion resistance coating.
Content of the invention
The purpose of this utility model is to provide a kind of boiler water cooling tube with supersonic spray coating wear-resisting erosion resistance coating, with
Solve to propose in above-mentioned background technology in the presence of the material long term wear being carried by flue gas, water-cooled tube wall is thinning rapidly,
Leakage and boiler water cooling tube heated metal expand, and water cooling tube can be made to be subject to larger expansive force, due to existing water-cooling wall
There is no the alleviation device of corresponding force, so that water cooling tube drawing crack, seal failure is occurred, emit the problem of ash etc..
In order to realize above-mentioned technical characteristic, the purpose of this utility model is realized in：A kind of supersonic speed that carries is sprayed
Apply the boiler economizer of wear-resisting erosion resistance coating, including refractory wall, the outer wall of described refractory wall is vertically provided with multigroup gripper shoe, institute
The outer wall stating gripper shoe is horizontally arranged with water cooling tube, and described water cooling tube is evenly arranged in the outer wall of gripper shoe, described water cooling tube
Top left is provided with outlet, and the bottom left end of described water cooling tube is provided with water inlet, is provided with elastic component between adjacent water cooling tube,
The outer wall of described water cooling tube is coated with etch-resistant coating, and the outer wall of described etch-resistant coating is coated with high temperature resistance coating, described high temperature resistance
The outer wall of coating is coated with wear-resistant coating.
Described gripper shoe is two groups of identical, and described in two groups, gripper shoe is symmetrical in the outer wall of refractory wall.
The outer wall of described gripper shoe offers draw-in groove.
The outer wall of the U-shaped junction of described water cooling tube is provided with clip, and the top of described clip is provided with screw, described spiral shell
Nail is fixed in the draw-in groove of gripper shoe.
Described water cooling tube is WTS-88AU metal alloy silk material pipe, and the outer wall treated surface roughness symbol of water cooling tube
Close Sa3 level.
This utility model has the advantages that：
This utility model is coated with etch-resistant coating by the outer wall in water cooling tube, is coated with anti-height in the outer wall of etch-resistant coating
Warm coating, is coated with wear-resistant coating in the outer wall of high temperature resistance coating, so that the wearability of water cooling tube and corrosion resistance is increased, slow down by
In the presence of the material long term wear that flue gas carries, water-cooled tube wall is thinning rapidly, the problem of leakage, by water cooling tube and elastic component
Match, make the water cooling tube mitigation strong in expanded by heating, it is to avoid water cooling tube is not because having the alleviation of corresponding force to fill
Put, so that water cooling tube drawing crack, seal failure is occurred, emit the problem of ash etc., by matching of water inlet and outlet, make cooling water
Can circulating use, saving water resource.
Brief description
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is this utility model structural representation；
Fig. 2 is water cooling tube broken section structural representation；
Fig. 3 is A portion mplifying structure schematic diagram.
In figure：Refractory wall 1, gripper shoe 2, water cooling tube 3, outlet 4, elastic component 5, water inlet 6, etch-resistant coating 7, high-temperature coating
Layer 8, wear-resistant coating 9, clip 10, screw 11.
Specific embodiment
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.
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 stating refractory wall 1 is vertically provided with multigroup gripper shoe 2, and the outer wall of described gripper shoe 2 is horizontally arranged with water cooling tube 3, described
Water cooling tube 3 is evenly arranged in the outer wall of gripper shoe 2, and the top left of described water cooling tube 3 is provided with outlet 4, described 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 described water cooling tube 3 is coated with against corrosion
Coating 7, the outer wall of described etch-resistant coating 7 is coated with high temperature resistance coating 8, and the outer wall of described high temperature resistance coating 8 is coated with wear-resisting painting
Layer 9.
Further, described gripper shoe 2 is two groups of identical, and gripper shoe 2 described in two groups is in left and right in the outer wall of refractory wall 1
Symmetrically.
Further, the outer wall of described gripper shoe 2 offers draw-in groove.The fixing peace of water cooling tube 3 can be facilitated by draw-in groove
Dress is it is ensured that bonding strength.
Further, the outer wall of the U-shaped junction of described water cooling tube 3 is provided with clip 10, and the top of described clip 10 sets
It is equipped with screw 11, described screw 11 is fixed in the draw-in groove of gripper shoe 2.Make the U-shaped connecting tube junction expanded by heating of water cooling tube 3
The alleviation of Shi Youli, makes the service life of junction increase
Further, described water cooling tube 3 is WTS-88AU metal alloy silk material pipe, and the outer wall of water cooling tube 3 is treated
Surface roughness meets Sa3 level.Sprayed coating during spraying is made uniformly and to meet spraying requirement.
Work process of the present utility model and operation principle are：
This utility model is coated with etch-resistant coating 7 by the outer wall in water cooling tube 3, is coated with the outer wall of etch-resistant coating 7
High temperature resistance coating 8, is coated with wear-resistant coating 9 in the outer wall of high temperature resistance coating 8, so that the wearability of water cooling tube 3 and corrosion resistance is increased
Plus, in the presence of slowing down the material long term wear being carried by flue gas, water cooling tube 3 wall is thinning rapidly, the problem of leakage, by water-cooled
Matching of pipe 3 and elastic component 5, make water cooling tube 3 mitigation strong in expanded by heating, it is to avoid water cooling tube 3 is not because having
The alleviation device of corresponding force, makes water cooling tube 3 drawing crack, seal failure occur, emit the problem of ash etc., by water inlet 4 and outlet 6
Match, enable cooling water circulating use, saving water resource, draw-in groove is opened up by the outer wall in gripper shoe 2, makes water cooling tube
3 U-shaped connecting tube junction is in sealing state, reduces the abrasion of junction, is connected to the draw-in groove of gripper shoe 2 by screw 11
, there is the alleviation of individual power at place, so that the service life of junction is increased during the U-shaped connecting tube junction expanded by heating making water cooling tube 3, lead to
Cross the U-shaped design to water cooling tube 3, make water cooling tube 3 constitute water-cooling wall, so that the contact area of water-cooled is increased, optimize water-cooled effect.
Above-described embodiment is used for illustrating this utility model, rather than this utility model is limited, in this practicality
In new spirit and scope of the claims, any modifications and changes that this utility model is made, both fall within this reality
With new protection domain.
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 gripper shoe（2）, described gripper shoe（2）Outer wall be horizontally arranged with water cooling tube
（3）, described water cooling tube（3）It is evenly arranged in gripper shoe（2）Outer wall, described water cooling tube（3）Top left be provided with outlet
（4）, described 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）, described etch-resistant coating（7）Outer wall be coated with high temperature resistance coating（8）,
Described 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 exists
In：Described gripper shoe（2）For two groups of identical, gripper shoe described in two groups（2）In refractory wall（1）Outer wall symmetrical.
3. a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating according to claim 1, its feature exists
In：Described gripper shoe（2）Outer wall offer draw-in groove.
4. a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating according to claim 1, its feature exists
In：Described water cooling tube（3）The outer wall of U-shaped junction be provided with clip（10）, described clip（10）Top be provided with screw
（11）, described screw（11）It is fixed on gripper shoe（2）Draw-in groove in.
5. a kind of boiler economizer with supersonic spray coating wear-resisting erosion resistance coating according to claim 1, its feature exists
In：Described water cooling tube（3）It is WTS-88AU metal alloy silk material pipe, and water cooling tube（3）Outer wall treated surface roughness
Meet Sa3 level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620949697.1U CN205957139U (en) | 2016-08-26 | 2016-08-26 | Boiler economizer with wear -resisting etch resistant coating of supersonic speed spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620949697.1U CN205957139U (en) | 2016-08-26 | 2016-08-26 | Boiler economizer with wear -resisting etch resistant coating of supersonic speed spraying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205957139U true CN205957139U (en) | 2017-02-15 |
Family
ID=57980035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620949697.1U Expired - Fee Related CN205957139U (en) | 2016-08-26 | 2016-08-26 | Boiler economizer with wear -resisting etch resistant coating of supersonic speed spraying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205957139U (en) |
-
2016
- 2016-08-26 CN CN201620949697.1U patent/CN205957139U/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 | ||
| 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: 20170215 Termination date: 20200826 |