CN210252991U - High temperature resistant combustor surface structure - Google Patents
High temperature resistant combustor surface structure Download PDFInfo
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- CN210252991U CN210252991U CN201920394572.0U CN201920394572U CN210252991U CN 210252991 U CN210252991 U CN 210252991U CN 201920394572 U CN201920394572 U CN 201920394572U CN 210252991 U CN210252991 U CN 210252991U
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- Prior art keywords
- coating
- combustor
- ceramic coating
- high temperature
- surface structure
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- 238000005524 ceramic coating Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000005488 sandblasting Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 abstract description 22
- 238000000576 coating method Methods 0.000 abstract description 22
- 229910002808 Si–O–Si Inorganic materials 0.000 abstract description 3
- 239000008367 deionised water Substances 0.000 abstract description 2
- 229910021641 deionized water Inorganic materials 0.000 abstract description 2
- 239000003960 organic solvent Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 239000003973 paint Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Surface Treatment Of Glass (AREA)
Abstract
The utility model discloses a high temperature resistant combustor surface structure includes the combustor substrate layer, at the sandblast layer on combustor substrate layer surface and at the inorganic water based ceramic coating on sandblast layer surface. The utility model discloses a ceramic coating replaces organosilicon coating, and ceramic coating Si-O-Si's inorganic structure can be able to bear or endure the high temperature more than 800 ℃, can guarantee not decompose, not discolour, do not ftracture under the high temperature, and long-time burning does not produce smog. The service life of the combustor can be effectively prolonged, and the appearance is not influenced after long-time use. Meanwhile, the ceramic coating is a water-based coating, uses deionized water as a solvent, does not use any organic solvent, and belongs to an environment-friendly healthy coating.
Description
Technical Field
The utility model relates to a high temperature resistant combustor surface structure.
Background
The gas stove is a common household cooking appliance, the burner is an important component of the gas stove, and the burner is provided with a plurality of fire holes which mainly play a role in supporting flame combustion. Due to the high surface temperature of the flame, a burner with good temperature resistance is very important. The burner is generally made of brass, and although copper products can continuously work at a higher temperature of more than 800 ℃, if the copper products are not protected by a coating, the surfaces of the copper products are oxidized and darkened probably for a long time, so that the appearance and the service life of the burner are influenced.
In order to protect the burner from being oxidized, the most mainstream construction process at present is to spray black paint on the surface, the paint on the surface of the burner is the most common organosilicon paint, and the organosilicon paint is used in large quantity due to low price and simple construction, but the organosilicon paint has the defects of poor high temperature resistance, decomposition of the coating during flame combustion, smoke and peculiar smell in a few minutes, and discoloration after long-term burning.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to provide a high temperature resistant combustor surface structure for solving the above problems, which has the characteristics of good temperature resistance and no decomposition and color change after long-term use.
The purpose of the utility model is realized like this:
the utility model discloses a high temperature resistant combustor surface structure includes the combustor substrate layer, at the sandblast layer on combustor substrate layer surface and at the inorganic waterborne ceramic coating on sandblast layer surface. The inorganic water-based ceramic coating is formed by ceramic coating taking silica sol as a film forming substance.
The thickness of the inorganic water-based ceramic coating in the surface structure of the high-temperature resistant combustor is 20-30 mu m.
The roughness of the sand blasting layer in the surface structure of the high-temperature resistant combustor is 0.5-3 mu m.
The thickness of the burner base material layer in the surface structure of the high-temperature resistant burner is 3-10 mm.
The utility model discloses a ceramic coating replaces organosilicon coating, and ceramic coating Si-O-Si's inorganic structure can be able to bear or endure the high temperature more than 800 ℃, can guarantee not decompose, not discolour, do not ftracture under the high temperature, and long-time burning does not produce smog. The service life of the combustor can be effectively prolonged, and the appearance is not influenced after long-time use. Meanwhile, the ceramic coating is a water-based coating, uses deionized water as a solvent, does not use any organic solvent, and belongs to an environment-friendly healthy coating.
Drawings
Fig. 1 is a schematic view of the surface structure of the high temperature resistant burner of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1, the high temperature resistant burner surface structure of the present invention is shown to include a burner substrate layer 1, a sand blasting layer 2 on the surface of the burner substrate layer 1, and an inorganic water-based ceramic coating 3 on the surface of the sand blasting layer 2. The inorganic water-based ceramic coating 3 is a coating formed by a ceramic coating taking silica sol as a film forming substance.
The sand blasting layer 2 is used for improving the adhesive force between the inorganic water-based ceramic coating 3 and the burner base material layer 1, and the roughness of the sand blasting layer 2 is controlled to be 0.5-3 mu m; the roughness is too small, the adhesion between the inorganic water-based ceramic coating 3 and the burner base material layer 1 is not firm, and the inorganic water-based ceramic coating is easy to fall off in the using process; the roughness is too large, and after the ceramic coating is sprayed and the coating is sprayed, the surface of the combustor is not flat and smooth, so that the appearance is influenced. The sand blasting layer 2 is formed by spraying 60-100 meshes of carborundum on the surface of a base material at the pressure of 6-8Kg, and the roughness of the sand blasting layer can be controlled by adjusting the mesh number and the spraying pressure of the carborundum.
The inorganic water-based ceramic coating 3 has the advantages of good high-temperature resistance, no decomposition and color change of the coating when the coating is burnt for a long time, and no smoke. The ceramic coating is a new coating variety which is newly developed in recent years, is widely used on the surface of cookers which need high temperature resistance, is prepared from silica sol and silane by a sol-gel method under the catalysis of acid, and has a molecular structure of a pure inorganic structure of Si-O-Si. The thickness of the inorganic water-based ceramic coating 3 is generally 20-30 μm, the coating is too thin and has poor covering power, and the coating cannot completely cover the base material and cannot protect the base material; the coating is too thick, and cracking of the coating occurs when the coating is burned for a long time, which also leads to an increase in cost. The embodiment of the utility model provides a ceramic coating who uses is the special ceramic coating of 9Z series kitchen range of last haiming family's new materials science and technology limited production.
The utility model discloses a high temperature resistant combustor surface structure of embodiment includes that thickness is 3 mm's combustor substrate layer 1, roughness are 2.0 μm's sandblast layer 2 and thickness are 25 μm's inorganic waterborne ceramic coating 3.
The performance parameters of the high-temperature resistant combustor of the embodiment are as follows:
(1) in a cold and heat shock experiment, after an oven is placed in cold water at normal temperature for 1hr at 500 ℃, the coating is observed by a magnifier, and after 6 cycles, the coating does not crack, fall off or discolor;
(2) and (4) assembling experiment, wherein the burning is carried out for 1hr, the stopping is carried out for 1hr to form a cycle, and after 200 cycles, the coating does not crack, fall off or change color.
The utility model discloses a high temperature resistant combustor surface structure of another embodiment includes that thickness is 5 mm's combustor substrate layer 1, roughness is 2.5 μm's sandblast layer 2 and thickness is 30 μm's inorganic waterborne ceramic coating 3.
The performance parameters of the high-temperature resistant combustor of the embodiment are as follows:
(1) in a cold and heat shock experiment, after an oven is placed in cold water at normal temperature for 1hr at 500 ℃, the coating is observed by a magnifier, and after 6 cycles, the inorganic water-based ceramic coating 3 is not cracked, dropped and discolored;
(2) and (3) an installation experiment, wherein 1hr of burning is stopped for 1hr, and 200 cycles are adopted, so that the inorganic water-based ceramic coating 3 is not cracked, dropped and discolored.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (4)
1. The surface structure of the high-temperature-resistant combustor is characterized by comprising a combustor base material layer, a sand blasting layer and an inorganic water-based ceramic coating, wherein the sand blasting layer is arranged on the surface of the combustor base material layer, and the inorganic water-based ceramic coating is coated on the surface of the sand blasting layer.
2. The surface structure of a high-temperature resistant burner according to claim 1, wherein the inorganic water-based ceramic coating has a thickness of 20 to 30 μm.
3. The surface structure of a high-temperature-resistant burner according to claim 1, wherein the grit-blasted layer has a roughness of 0.5 to 3 μm.
4. The surface structure of the high-temperature-resistant combustor according to claim 1, wherein the thickness of the combustor substrate layer is 3-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394572.0U CN210252991U (en) | 2019-03-26 | 2019-03-26 | High temperature resistant combustor surface structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920394572.0U CN210252991U (en) | 2019-03-26 | 2019-03-26 | High temperature resistant combustor surface structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210252991U true CN210252991U (en) | 2020-04-07 |
Family
ID=70021143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920394572.0U Expired - Fee Related CN210252991U (en) | 2019-03-26 | 2019-03-26 | High temperature resistant combustor surface structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210252991U (en) |
-
2019
- 2019-03-26 CN CN201920394572.0U patent/CN210252991U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200407 |