CN112979296A - High-temperature-resistant coating for barbecue metal mesh - Google Patents
High-temperature-resistant coating for barbecue metal mesh Download PDFInfo
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- CN112979296A CN112979296A CN202110250548.1A CN202110250548A CN112979296A CN 112979296 A CN112979296 A CN 112979296A CN 202110250548 A CN202110250548 A CN 202110250548A CN 112979296 A CN112979296 A CN 112979296A
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- 238000000576 coating method Methods 0.000 title claims abstract description 68
- 239000011248 coating agent Substances 0.000 title claims abstract description 61
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 43
- 239000002184 metal Substances 0.000 title claims abstract description 43
- 235000021168 barbecue Nutrition 0.000 title claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 59
- 239000000126 substance Substances 0.000 claims abstract description 31
- 230000005855 radiation Effects 0.000 claims abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000006229 carbon black Substances 0.000 claims abstract description 22
- 239000010440 gypsum Substances 0.000 claims abstract description 22
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 22
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 13
- MANYRMJQFFSZKJ-UHFFFAOYSA-N bis($l^{2}-silanylidene)tantalum Chemical compound [Si]=[Ta]=[Si] MANYRMJQFFSZKJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 9
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 7
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 7
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 7
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 238000007605 air drying Methods 0.000 claims 1
- 238000000643 oven drying Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003610 charcoal Substances 0.000 abstract description 4
- 235000013305 food Nutrition 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 abstract description 2
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 6
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0694—Broiling racks
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62222—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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Abstract
The invention discloses a high-temperature-resistant coating for a barbecue metal mesh, which comprises the following raw materials: silicon powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances. The gas open fire uniformly distributes the dispersed heat and upwards transmits the dispersed heat to the upper iron net through the coating to form far infrared rays, thereby simulating the principle of charcoal fire barbecue and restoring the real taste of food. The coating is sprayed on the surface of the barbecue metal mesh to form a high-temperature resistant coating similar to ceramic, the process is simple, no waste water or waste gas is generated in the production process, the high-temperature resistant coating is prepared by natural airing, and the high-temperature resistant coating has excellent high-temperature resistance and can adjust the thermal expansion coefficient in a larger range.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a high-temperature-resistant coating for a barbecue metal mesh.
Background
When food is baked by the existing barbecue net in the market, charcoal fire is needed, the charcoal fire is inconvenient for household use, is not easy to ignite, has large smoke in the burning process, can cause environmental pollution, is directly baked by a household gas furnace, is easy to scorch, has poor taste, is difficult to master the duration and degree of heating, also needs a special tool, wastes time and energy.
At present, most of high-temperature coatings for barbecue grills or barbecue grills in the market are mainly liquid and are not environment-friendly, and when food is heated, the liquid coatings can volatilize harmful substances to damage human bodies; only a small part of the barbecue grill uses high-temperature resistant powder coating, and the high-temperature resistant powder coating still takes silicon resin as a main body, so that the cost is relatively high, and the defect is obvious, and although the high-temperature resistant performance of the silicon resin is excellent, the carbon fire resistant open fire performance of the silicon resin is poor, and the silicon resin still peels off.
Disclosure of Invention
In view of the above-mentioned technical deficiencies, it is an object of the present invention to provide a high temperature resistant coating for grill metal mesh that solves the problems set forth in the background.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a high-temperature-resistant coating for a barbecue metal mesh, which comprises the following raw materials:
silicon powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances.
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
60-70 parts of silicon powder, 6-12 parts of carbon black, 6-12 parts of gypsum, 1-5 parts of a slow release agent, 1-5 parts of a radiation agent, 0.5-1 part of trace substances and a proper amount of water.
Preferably, the slow release agent is silicate, which acts as a binding agent.
Preferably, the radiation agent is a mixture formed by mixing silicon carbide, aluminum oxide and tantalum disilicide according to the mass ratio of 1:1-5: 1-5.
Preferably, the trace substance is a mixture of zirconium oxide, chromium oxide and magnesium oxide mixed according to a mass ratio of 1-5:1: 1-5.
Preferably, the radiation agent is a mixture of silicon carbide, aluminum oxide and tantalum disilicide, and the radiation agent is formed by mixing the silicon carbide, the aluminum oxide and the tantalum disilicide according to a mass ratio of 1:1: 3.
Preferably, the trace substance is a mixture of zirconium oxide, chromium oxide and magnesium oxide mixed according to a mass ratio of 2:1: 3.
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
60 parts of silicon powder, 6 parts of carbon black, 6 parts of gypsum, 1 part of slow release agent, 1 part of radiant agent, 0.5 part of trace substance and a proper amount of water.
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
70 parts of silicon powder, 6 parts of carbon black, 8 parts of gypsum, 5 parts of a slow release agent, 5 parts of a radiation agent, 1 part of a trace substance and a proper amount of water.
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
65 parts of silicon powder, 9 parts of carbon black, 9 parts of gypsum, 3 parts of a slow release agent, 3 parts of a radiation agent, 0.8 part of a trace substance and a proper amount of water.
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
68 parts of silicon powder, 10 parts of carbon black, 10 parts of gypsum, 4 parts of a slow release agent, 3 parts of a radiation agent, 0.7 part of a trace substance and a proper amount of water.
The preparation method of the high-temperature-resistant coating for the barbecue metal mesh comprises the following steps:
weighing silica powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances according to the proportion, pouring into a stirrer, adding a proper amount of water, stirring into paste, coating on the surface of a metal mesh, and drying.
The drying mode of the metal mesh coating is natural airing or drying.
The thickness of the coating on the metal mesh is 3-5 mm.
The invention has the beneficial effects that:
1. the gas open fire uniformly distributes the dispersed heat and upwards transmits the dispersed heat to the upper iron net through the coating to form far infrared rays, thereby simulating the principle of charcoal fire barbecue and restoring the real taste of food.
2. The coating is sprayed on the surface of the barbecue metal mesh to form a high-temperature resistant coating similar to ceramic, the process is simple, no waste water or waste gas is generated in the production process, the high-temperature resistant coating is prepared by natural airing, and the high-temperature resistant coating has excellent high-temperature resistance and can adjust the thermal expansion coefficient in a larger range.
3. Because the formula of the invention does not contain volatile organic compounds, the invention can not volatilize harmful substances to damage human bodies after being heated at high temperature, is very environment-friendly to use, can prevent the products from peeling and falling off after being roasted at high temperature, can be widely applied to the roasting industry, and is safe and reliable to use.
Detailed Description
Example 1
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
60 parts of silicon powder, 6 parts of carbon black, 6 parts of gypsum, 1 part of slow release agent, 1 part of radiant agent, 0.5 part of trace substance and a proper amount of water.
The slow release agent is silicate and plays a role in binding.
The radiation agent is silicon carbide, aluminum oxide and tantalum disilicide according to the mass ratio of 1:1, and mixing the components.
The trace substance is a mixture formed by mixing zirconium oxide, chromium oxide and magnesium oxide according to the mass ratio of 1:1: 1.
The preparation method of the high-temperature-resistant coating for the barbecue metal mesh comprises the following steps:
weighing silicon powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances according to the proportion, pouring into a stirrer, adding a proper amount of water, stirring into paste, coating on the surface of a metal mesh, and naturally drying.
The thickness of the coating on the metal mesh was 2 mm.
Example 2
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
70 parts of silicon powder, 6 parts of carbon black, 8 parts of gypsum, 5 parts of a slow release agent, 5 parts of a radiation agent, 1 part of a trace substance and a proper amount of water.
The slow release agent is silicate and plays a role in binding.
The radiation agent is a mixture formed by mixing silicon carbide, aluminum oxide and tantalum disilicide according to the mass ratio of 1:5: 5.
The trace substance is a mixture formed by mixing zirconium oxide, chromium oxide and magnesium oxide according to a mass ratio of 5:1: 5.
The preparation method of the high-temperature-resistant coating for the barbecue metal mesh comprises the following steps:
weighing silicon powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances according to the proportion, pouring into a stirrer, adding a proper amount of water, stirring into paste, coating on the surface of a metal mesh, and drying.
The thickness of the coating on the metal mesh was 5 mm.
Example 3
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
65 parts of silicon powder, 9 parts of carbon black, 9 parts of gypsum, 3 parts of a slow release agent, 3 parts of a radiation agent, 0.8 part of a trace substance and a proper amount of water.
The slow release agent is silicate and plays a role in binding.
The radiation agent is a mixture formed by mixing silicon carbide, aluminum oxide and tantalum disilicide according to the mass ratio of 1:3: 3.
The trace substance is a mixture formed by mixing zirconium oxide, chromium oxide and magnesium oxide according to the mass ratio of 3:1: 3.
The preparation method of the high-temperature-resistant coating for the barbecue metal mesh comprises the following steps:
weighing silicon powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances according to the proportion, pouring into a stirrer, adding a proper amount of water, stirring into paste, coating on the surface of a metal mesh, and naturally drying.
The thickness of the coating on the metal mesh was 4 mm.
Example 4
A high-temperature-resistant coating for a barbecue metal mesh is prepared from the following raw materials in parts by weight:
68 parts of silicon powder, 10 parts of carbon black, 10 parts of gypsum, 4 parts of a slow release agent, 3 parts of a radiation agent, 0.7 part of a trace substance and a proper amount of water.
The slow release agent is silicate and plays a role in binding.
The radiation agent is a mixture of silicon carbide, aluminum oxide and tantalum disilicide, and the radiation agent is formed by mixing the silicon carbide, the aluminum oxide and the tantalum disilicide according to the mass ratio of 1:1: 3.
The trace substance is a mixture formed by mixing zirconium oxide, chromium oxide and magnesium oxide according to the mass ratio of 2:1: 3.
The preparation method of the high-temperature-resistant coating for the barbecue metal mesh comprises the following steps:
weighing silicon powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances according to the proportion, pouring into a stirrer, adding a proper amount of water, stirring into paste, coating on the surface of a metal mesh, and drying.
The thickness of the coating on the metal mesh was 4 mm.
Test experiments:
(1) the high temperature resistant coatings prepared in examples 1-4 were subjected to a heat resistance test, the experimental method being as follows:
and (3) testing heat resistance: selecting a steel plate with the thickness of 1mm, cleaning the surface of the steel plate with the size of 20cm multiplied by 20cm, completely drying the steel plate, coating the high-temperature-resistant coatings of the embodiments 1 to 4 with the thickness of 4mm on two sides and the periphery of the steel plate, completely curing the steel plate, using high-temperature equipment with temperature display as a heat source, heating the steel plate to 900 ℃, 1000 ℃ and 1100 ℃ respectively, keeping the temperature for 15min, taking out the steel plate, cooling the steel plate, and observing the surface condition of the coating.
The results show that the high-temperature-resistant heat-insulating coating prepared in the examples 1 to 4 does not foam, does not delaminate or fall off at 1100 ℃, and can resist the high temperature of 1100 ℃.
(2) The coatings prepared in examples 1-4 were tested for coefficient of thermal expansion and the results are shown in Table 1.
TABLE 1 average coefficient of thermal expansion of the high temperature resistant coatings prepared in the examples from room temperature to 1100 deg.C
| Coefficient of thermal expansion/k | |
| Example 1 | 5.16×10-6 |
| Example 2 | 4.83×10-6 |
| Example 3 | 6.77×10-6 |
| Example 4 | 7.25×10-6 |
As can be seen from Table 1, the high temperature resistant coating prepared by the simple preparation method has excellent high temperature resistance, and the thermal expansion coefficient of the coating can be adjusted in a larger range.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A high-temperature-resistant coating for a barbecue metal mesh is characterized by comprising the following raw materials:
silicon powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances.
2. The high-temperature-resistant coating for the barbecue metal mesh as recited in claim 1, which is prepared from the following raw materials in parts by weight:
60-70 parts of silicon powder, 6-12 parts of carbon black, 6-12 parts of gypsum, 1-5 parts of a slow release agent, 1-5 parts of a radiation agent, 0.5-1 part of trace substances and a proper amount of water.
3. A refractory coating for grilling metal mesh as recited in claim 1, wherein said slow release agent is silicate.
4. The high-temperature-resistant coating for the barbecue metal mesh as recited in claim 1, wherein the radiation agent is a mixture of silicon carbide, aluminum oxide and tantalum disilicide which are mixed according to a mass ratio of 1:1-5: 1-5.
5. The high-temperature-resistant coating for the barbecue metal mesh as recited in claim 1, wherein the trace substance is a mixture of zirconium oxide, chromium oxide and magnesium oxide mixed in a mass ratio of 1-5:1: 1-5.
6. The high-temperature-resistant coating for the barbecue metal mesh as recited in claim 1, which is prepared from the following raw materials in parts by weight:
60 parts of silicon powder, 6 parts of carbon black, 6 parts of gypsum, 1 part of slow release agent, 1 part of radiant agent, 0.5 part of trace substance and a proper amount of water.
7. The high-temperature-resistant coating for the barbecue metal mesh as recited in claim 1, which is prepared from the following raw materials in parts by weight:
70 parts of silicon powder, 6 parts of carbon black, 8 parts of gypsum, 5 parts of a slow release agent, 5 parts of a radiation agent, 1 part of a trace substance and a proper amount of water.
8. The high-temperature-resistant coating for the barbecue metal mesh as recited in claim 1, which is prepared from the following raw materials in parts by weight:
68 parts of silicon powder, 10 parts of carbon black, 10 parts of gypsum, 4 parts of a slow release agent, 3 parts of a radiation agent, 0.7 part of a trace substance and a proper amount of water.
9. A refractory coating for barbecue wire netting according to claims 1-8, characterized in that it is prepared by the following method:
weighing silica powder, carbon black, gypsum, a slow release agent, a radiation agent and trace substances according to the proportion, pouring into a stirrer, adding a proper amount of water, stirring into paste, coating on the surface of a metal mesh, and drying.
10. A refractory coating for barbecue wire netting as recited in claim 9, wherein the coating on the wire netting is dried by natural air drying or oven drying;
the thickness of the coating on the metal mesh is 3-5 mm.
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Application publication date: 20210618 |