CN111943662A - Ceramic black material capable of absorbing infrared heat radiation and preparation method thereof - Google Patents

Ceramic black material capable of absorbing infrared heat radiation and preparation method thereof Download PDF

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Publication number
CN111943662A
CN111943662A CN202010878644.6A CN202010878644A CN111943662A CN 111943662 A CN111943662 A CN 111943662A CN 202010878644 A CN202010878644 A CN 202010878644A CN 111943662 A CN111943662 A CN 111943662A
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China
Prior art keywords
parts
mixing
black material
oxide
weight
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CN202010878644.6A
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Inventor
周云辉
王政伟
吴祖杰
朱志宾
胡延韶
刘光山
李飞
李龙
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Henan Jiahe Energy Saving Science & Technology Co ltd
China Pingmei Shenma Energy and Chemical Group Co Ltd
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Henan Jiahe Energy Saving Science & Technology Co ltd
China Pingmei Shenma Energy and Chemical Group Co Ltd
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Priority to CN202010878644.6A priority Critical patent/CN111943662A/en
Publication of CN111943662A publication Critical patent/CN111943662A/en
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Abstract

A ceramic black material for absorbing infrared thermal radiation comprises the following raw materials by weight: 20-30 parts of ferric oxide, 15-30 parts of aluminum oxide, 10-15 parts of zirconium oxide, 15-20 parts of metal oxide infrared radiation micro powder, 20-25 parts of adhesive, 0.15-0.25 part of dispersing agent, 0.4-1.5 parts of thickening agent, 0.05-0.10 part of defoaming agent and 0.02-0.8 part of mildew preventive; the metal oxide infrared radiation micro powder is prepared from alumina micro powder and titanium carbide-cordierite radiation micro powder according to the weight ratio of 2: 1 grinding and mixing; the preparation method of the ceramic black material for absorbing infrared heat radiation comprises the following steps: (1) and (4) preparing materials; (2) mixing; (3) sieving; (4) pulping; (5) drying; (6) grinding; (7) and performing high-temperature treatment; the black material is wear-resistant, the infrared ray thermal radiation absorption rate is strong, the preparation method is simple, the operation is easy, the high-temperature resistant effect is achieved, meanwhile, the heat absorption effect is good, the toughness is high, the energy is saved, the environment is protected, the use is convenient, and the huge social and economic benefits are achieved.

Description

Ceramic black material capable of absorbing infrared heat radiation and preparation method thereof
Technical Field
The invention relates to a heat absorbing material of a coke oven oil furnace, in particular to a ceramic black material for absorbing infrared heat radiation and a preparation method thereof.
Background
The environmental protection policy requires that all the domestic coke oven of 4.3 meters and less be shut down before 1 month and 1 day of 2021, along with the development of coke oven materials, the coke oven of less than 6 meters is eliminated, the current 7 meters coke oven uses black material which is formed by bonding zirconia ceramics by using multi-element rare earth substance (cerium oxide, lanthanum oxide and the like) ions as adhesive, then uses liquid adhesive with heat-resisting temperature of less than 1500 ℃ and multi-element rare earth substance (cerium oxide, lanthanum oxide and the like) ions as adhesive to be fully stirred, the sprayed black material is formed by bonding the zirconia ceramics by using ions of various substances as adhesive, the combined components of the black material and the sprayed black material are ceramic phases in molecular crystal state, are not real ceramics, the capability of absorbing infrared heat radiation is weak, the infrared heat radiation is 1800 of electromagnetic waves, visible light is heat energy of infrared heat radiation from 200 ℃ with wavelength of 400 mu m-1 mm, however, the black material used at present can only absorb infrared heat radiation above 800 ℃ but cannot absorb infrared heat radiation of 200-800 ℃, so that the improvement and innovation of the black material are imperative.
Disclosure of Invention
In view of the above situation, the present invention aims to provide a ceramic black material capable of absorbing infrared thermal radiation and a preparation method thereof, which can effectively solve the problems of weak infrared thermal radiation absorption capability and no high temperature resistance of the black material.
In order to achieve the purpose, the invention adopts the technical scheme that the ceramic black material for absorbing infrared heat radiation comprises the following raw materials by weight: 20-30 parts of ferric oxide, 15-30 parts of aluminum oxide, 10-15 parts of zirconium oxide, 15-20 parts of metal oxide infrared radiation micro powder, 20-25 parts of adhesive, 0.15-0.25 part of dispersing agent, 0.4-1.5 parts of thickening agent, 0.05-0.10 part of defoaming agent and 0.02-0.8 part of mildew preventive;
the metal oxide infrared radiation micro powder is prepared from alumina micro powder and titanium carbide-cordierite radiation micro powder according to the weight ratio of 2: 1 grinding and mixing;
the adhesive is one of sulfate, silicate, phosphate or borate or a mixture of more than 2 in any weight ratio;
the dispersing agent is one or more of sodium silicate, sodium aluminate and ammonium citrate or a mixture of more than 2 in any weight ratio;
the thickening agent is one or a mixture of bentonite and diatomite in any weight ratio;
the defoaming agent is one or a mixture of dimethyl silicone oil and silicon dioxide in any weight ratio;
the mildew preventive is one or a mixture of titanium dioxide and zinc oxide in any weight ratio;
the preparation method of the ceramic black material for absorbing infrared heat radiation comprises the following steps:
(1) and (3) preparing materials: weighing the following components in parts by weight: mixing iron oxide, aluminum oxide, zirconium oxide, metal oxide infrared radiation micro powder, an adhesive, a dispersing agent, a thickening agent, a defoaming agent and a mildew preventive;
(2) and mixing: putting ferric oxide, aluminum oxide, zirconium oxide, a binder, a dispersant, a thickening agent, a defoaming agent and a mildew preventive into a stirrer, stirring and mixing to obtain a mixture, adding ball stones accounting for 20-30% of the weight and volume of the mixture and water accounting for 45-55% of the weight and volume of the mixture, uniformly mixing, putting into a ball milling tank, and carrying out ball milling for 3.5-4.5 hours to obtain a ceramic black blank;
the weight volume refers to the solid in g and the liquid in ml;
(3) and sieving: sieving the obtained ceramic black blank material with a 250-mesh sieve at normal temperature to obtain mixed powder;
(4) pulping: adding water into the mixed powder, and uniformly mixing, wherein the weight-volume ratio of the mixed powder to the water is 1:1.5, so as to obtain slurry-like ceramic black material;
(5) and (3) drying: drying the slurry ceramic black material at 180 ℃ for 1-2h to obtain a block black material;
(6) and grinding: grinding the blocky black materials into powder, and sieving the powder by a 250-mesh sieve to obtain black material fine powder;
(7) and (3) high-temperature treatment: putting the black material fine powder into a high-temperature furnace, heating to 380 ℃ from room temperature at the speed of 2 ℃/min, heating to 400 ℃ at the speed of 3 ℃/min, preserving heat for 4-6min, heating to 740 ℃ from 400 ℃ at the speed of 3 ℃/min, preserving heat for 28-32min, heating to 1400 ℃ at the speed of 2 ℃/min, pyrolyzing for 0.8-1.2h, cooling to room temperature along with the high-temperature furnace, mixing with the metal oxide infrared radiation micro powder, grinding again, and sieving with a 250-mesh sieve to obtain the ceramic black material.
The black material disclosed by the invention is wear-resistant, strong in infrared ray thermal radiation absorption rate, simple in preparation method, easy to operate, excellent in high temperature resistance effect, good in heat absorption effect, high in toughness, energy-saving, environment-friendly, convenient to use and great in social and economic benefits.
Detailed Description
The following examples are provided to explain the present invention in detail.
Example 1
A preparation method of ceramic black material for absorbing infrared heat radiation comprises the following steps:
(1) and (3) preparing materials: weighing the following components in parts by weight: 20 parts of ferric oxide, 15 parts of aluminum oxide, 10 parts of zirconia, 15 parts of metal oxide infrared radiation micro powder, 20 parts of adhesive, 0.15 part of dispersant, 0.4 part of thickener, 0.05 part of defoamer and 0.02 part of mildew inhibitor;
the metal oxide infrared radiation micro powder is prepared from alumina micro powder and titanium carbide-cordierite radiation micro powder according to the weight ratio of 2: 1 grinding and mixing; the adhesive is sulfate; the dispersant is sodium silicate; the thickening agent is bentonite; the defoaming agent is dimethyl silicone oil; the mildew preventive is titanium dioxide;
(2) and mixing: putting ferric oxide, aluminum oxide, zirconium oxide, a binder, a dispersing agent, a thickening agent, a defoaming agent and a mildew preventive into a stirrer, stirring and mixing to obtain a mixture, adding ball stones accounting for 20% of the weight volume of the mixture and water accounting for 45% of the weight volume of the mixture, adding the ball stones and the water, uniformly mixing, putting into a ball milling tank, and carrying out ball milling for 3.5 hours to obtain a ceramic black blank;
(3) and sieving: sieving the obtained ceramic black blank material with a 250-mesh sieve at normal temperature to obtain mixed powder;
(4) pulping: adding water into the mixed powder, and uniformly mixing, wherein the weight-volume ratio of the mixed powder to the water is 1:1.5, so as to obtain slurry-like ceramic black material;
(5) and (3) drying: drying the slurry ceramic black material at 180 ℃ for 1h to obtain a block black material;
(6) and grinding: grinding the blocky black materials into powder, and sieving the powder by a 250-mesh sieve to obtain black material fine powder;
(7) and (3) high-temperature treatment: putting the black material fine powder into a high-temperature furnace, heating to 380 ℃ from room temperature at the speed of 2 ℃/min, heating to 400 ℃ at the speed of 3 ℃/min, preserving heat for 4min, heating to 740 ℃ from 400 ℃ at the speed of 3 ℃/min, preserving heat for 28min, heating to 1400 ℃ at the speed of 2 ℃/min, pyrolyzing for 0.8h, cooling to room temperature along with the high-temperature furnace, mixing with the metal oxide infrared radiation micro powder, grinding again, and sieving with a 250-mesh sieve to obtain the ceramic black material.
Example 2
A preparation method of ceramic black material for absorbing infrared heat radiation comprises the following steps:
(1) and (3) preparing materials: weighing the following components in parts by weight: 30 parts of ferric oxide, 30 parts of aluminum oxide, 15 parts of zirconia, 20 parts of metal oxide infrared radiation micro powder, 25 parts of adhesive, 0.25 part of dispersant, 1.5 parts of thickener, 0.10 part of defoamer and 0.8 part of mildew inhibitor;
the metal oxide infrared radiation micro powder is prepared from alumina micro powder and titanium carbide-cordierite radiation micro powder according to the weight ratio of 2: 1 grinding and mixing; the adhesive is silicate; the dispersant is ammonium citrate; the thickening agent is diatomite; the defoaming agent is silicon dioxide; the mildew preventive is zinc oxide;
(2) and mixing: putting ferric oxide, aluminum oxide, zirconium oxide, a binder, a dispersing agent, a thickening agent, a defoaming agent and a mildew preventive into a stirrer, stirring and mixing to obtain a mixture, adding ball stones accounting for 30% of the weight volume of the mixture and water accounting for 55% of the weight volume of the mixture, adding the ball stones and the water, uniformly mixing, putting into a ball milling tank, and carrying out ball milling for 4 hours to obtain a ceramic black blank;
(3) and sieving: sieving the obtained ceramic black blank material with a 250-mesh sieve at normal temperature to obtain mixed powder;
(4) pulping: adding water into the mixed powder, and uniformly mixing, wherein the weight-volume ratio of the mixed powder to the water is 1:1.5, so as to obtain slurry-like ceramic black material;
(5) and (3) drying: drying the slurry ceramic black material at 180 ℃ for 1.5h to obtain a block black material;
(6) and grinding: grinding the blocky black materials into powder, and sieving the powder by a 250-mesh sieve to obtain black material fine powder;
(7) and (3) high-temperature treatment: putting the black material fine powder into a high-temperature furnace, heating to 380 ℃ from room temperature at the speed of 2 ℃/min, heating to 400 ℃ at the speed of 3 ℃/min, preserving heat for 5min, heating to 740 ℃ from 400 ℃ at the speed of 3 ℃/min, preserving heat for 30min, heating to 1400 ℃ at the speed of 2 ℃/min, pyrolyzing for 1h, cooling to room temperature along with the high-temperature furnace, mixing with metal oxide infrared radiation micro powder, grinding again, and sieving with a 250-mesh sieve to obtain the ceramic black material.
Example 3
A preparation method of ceramic black material for absorbing infrared heat radiation comprises the following steps:
(1) and (3) preparing materials: weighing the following components in parts by weight: 25 parts of ferric oxide, 22.5 parts of aluminum oxide, 12.5 parts of zirconium oxide, 17.5 parts of metal oxide infrared radiation micro powder, 22.5 parts of adhesive, 0.2 part of dispersing agent, 0.95 part of thickening agent, 0.075 part of defoaming agent and 0.41 part of mildew preventive;
the metal oxide infrared radiation micro powder is prepared from alumina micro powder and titanium carbide-cordierite radiation micro powder according to the weight ratio of 2: 1 grinding and mixing;
the adhesive is formed by mixing 15 parts of silicate, 5 parts of phosphate and 2.5 parts of borate;
the dispersing agent is formed by mixing 0.1 part of sodium silicate and 0.1 part of sodium aluminate;
the thickening agent is formed by mixing 0.5 part of bentonite and 0.45 part of diatomite;
the defoaming agent is formed by mixing 0.03 part of dimethyl silicone oil and 0.045 part of silicon dioxide;
the mildew preventive is formed by mixing 0.3 part of titanium dioxide and 0.11 part of zinc oxide;
(2) and mixing: putting ferric oxide, aluminum oxide, zirconium oxide, a binder, a dispersing agent, a thickening agent, a defoaming agent and a mildew preventive into a stirrer, stirring and mixing to obtain a mixture, adding ball stones accounting for 25% of the weight and volume of the mixture and water accounting for 50% of the weight and volume of the mixture, adding the ball stones and the water, uniformly mixing, putting into a ball milling tank, and carrying out ball milling for 4.5 hours to obtain a ceramic black blank;
(3) and sieving: sieving the obtained ceramic black blank material with a 250-mesh sieve at normal temperature to obtain mixed powder;
(4) pulping: adding water into the mixed powder, and uniformly mixing, wherein the weight-volume ratio of the mixed powder to the water is 1:1.5, so as to obtain slurry-like ceramic black material;
(5) and (3) drying: drying the slurry ceramic black material at 180 ℃ for 2h to obtain a block black material;
(6) and grinding: grinding the blocky black materials into powder, and sieving the powder by a 250-mesh sieve to obtain black material fine powder;
(7) and (3) high-temperature treatment: putting the black material fine powder into a high-temperature furnace, heating to 380 ℃ from room temperature at the speed of 2 ℃/min, heating to 400 ℃ at the speed of 3 ℃/min, preserving heat for 6min, heating to 740 ℃ from 400 ℃ at the speed of 3 ℃/min, preserving heat for 32min, heating to 1400 ℃ at the speed of 2 ℃/min, pyrolyzing for 1.2h, cooling to room temperature along with the high-temperature furnace, mixing with the metal oxide infrared radiation micro powder, grinding again, and sieving with a 250-mesh sieve to obtain the ceramic black material.
Example 4
A preparation method of ceramic black material for absorbing infrared heat radiation comprises the following steps:
(1) and (3) preparing materials: weighing the following components in parts by weight: 28 parts of ferric oxide, 27 parts of aluminum oxide, 14 parts of zirconia, 18.5 parts of metal oxide infrared radiation micro powder, 24 parts of adhesive, 0.23 part of dispersing agent, 1.2 parts of thickening agent, 0.09 part of defoaming agent and 0.7 part of mildew preventive;
the metal oxide infrared radiation micro powder is prepared from alumina micro powder and titanium carbide-cordierite radiation micro powder according to the weight ratio of 2: 1 grinding and mixing;
the adhesive is formed by mixing 10 parts of sulfate and 14 parts of borate;
the dispersing agent is formed by mixing 0.2 part of sodium aluminate and 0.03 part of ammonium citrate;
the thickening agent is bentonite;
the defoaming agent is silicon dioxide;
the mildew preventive is formed by mixing 0.2 part of titanium dioxide and 0.5 part of zinc oxide;
(2) and mixing: putting ferric oxide, aluminum oxide, zirconium oxide, a binder, a dispersing agent, a thickening agent, a defoaming agent and a mildew preventive into a stirrer, stirring and mixing to obtain a mixture, adding a ball stone accounting for 28% of the weight volume of the mixture and water accounting for 52% of the weight volume of the mixture, uniformly mixing, putting into a ball milling tank, and carrying out ball milling for 4.2 hours to obtain a ceramic black blank;
the weight volume refers to the solid in g and the liquid in ml;
(3) and sieving: sieving the obtained ceramic black blank material with a 250-mesh sieve at normal temperature to obtain mixed powder;
(4) pulping: adding water into the mixed powder, and uniformly mixing, wherein the weight-volume ratio of the mixed powder to the water is 1:1.5, so as to obtain slurry-like ceramic black material;
(5) and (3) drying: drying the slurry ceramic black material at 180 ℃ for 1.8h to obtain a block black material;
(6) and grinding: grinding the blocky black materials into powder, and sieving the powder by a 250-mesh sieve to obtain black material fine powder;
(7) and (3) high-temperature treatment: putting the black material fine powder into a high-temperature furnace, heating to 380 ℃ from room temperature at the speed of 2 ℃/min, heating to 400 ℃ at the speed of 3 ℃/min, preserving heat for 5min, heating to 740 ℃ from 400 ℃ at the speed of 3 ℃/min, preserving heat for 31min, heating to 1400 ℃ at the speed of 2 ℃/min, pyrolyzing for 1.1h, cooling to room temperature along with the high-temperature furnace, mixing with the metal oxide infrared radiation micro powder, grinding again, and sieving with a 250-mesh sieve to obtain the ceramic black material.
The ceramic black material obtained in the embodiment 1 of the invention is uniformly mixed with a liquid adhesive according to the weight volume ratio of 1:1.5 (the weight volume refers to that solid matters are counted in g, and liquid is counted in ml), and the mixture is uniformly sprayed on a crude gas heat exchanger of an ascending pipe of a coking oil furnace, wherein the liquid adhesive is prepared by uniformly mixing 3-30% of electric melting cerium oxide micro powder, 3-30% of electric melting lanthanum oxide micro powder, 20-80% of waterborne polyurethane and 10-50% of carboxymethyl cellulose adhesive according to the mass fraction ratio, and the mixed solution and water are mixed according to the weight volume ratio of 1:1.5, through practice, the temperature of the crude gas is reduced by more than 30%, the circulating amount of circulating ammonia water is reduced by more than 10%, and the power consumption of a circulating ammonia water pump motor is reduced by 10-20%; the production of saturated steam is obviously increased, the precipitation of graphite on the inner wall of the ascending pipe and the bridge pipe is avoided, and the condensation of tar components is reduced; the operating environment of the coke oven top workers is improved, the surface temperature of the ascending pipe on the coke oven top is reduced by 30%, the heat radiation is reduced, the service life of the heat exchanger is prolonged by 1-2 times, and experiments show that the embodiment 2-4 achieves the same or similar technical effect, and the details are not repeated.
The ceramic black material of the invention can change the performance of the spray coating by adding functional materials, such as: the scraping resistance and the hardness of the coating can be improved by adding the ultrafine molybdenum disulfide and the like into the ceramic black material; the black inorganic copper oxide, iron black, manganese and other powder are added to change the color of the coating, so that the coating is convenient to be used in places needing black materials, such as pot bottoms and the like.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto in any way, and those skilled in the art can make modifications or equivalent variations to the above-mentioned embodiments without departing from the scope of the present invention.
The black material has the advantages of simple preparation method, strong capacity of passing electromagnetic waves, excellent high-temperature resistance effect, good heat absorption effect and high toughness, and experiments show that the black material has good technical effect, the heat energy absorption rate is up to more than 95% from 200-1800 ℃, the black material has good cohesiveness, does not fall off or pulverize in a long time at high temperature, and has huge social and economic benefits.

Claims (6)

1. The ceramic black material for absorbing infrared thermal radiation is characterized by comprising the following raw materials in parts by weight: 20-30 parts of ferric oxide, 15-30 parts of aluminum oxide, 10-15 parts of zirconium oxide, 15-20 parts of metal oxide infrared radiation micro powder, 20-25 parts of adhesive, 0.15-0.25 part of dispersing agent, 0.4-1.5 parts of thickening agent, 0.05-0.10 part of defoaming agent and 0.02-0.8 part of mildew preventive;
the metal oxide infrared radiation micro powder is prepared from alumina micro powder and titanium carbide-cordierite radiation micro powder according to the weight ratio of 2: 1 grinding and mixing;
the adhesive is one of sulfate, silicate, phosphate or borate or a mixture of more than 2 in any weight ratio;
the dispersing agent is one or more of sodium silicate, sodium aluminate and ammonium citrate or a mixture of more than 2 in any weight ratio;
the thickening agent is one or a mixture of bentonite and diatomite in any weight ratio;
the defoaming agent is one or a mixture of dimethyl silicone oil and silicon dioxide in any weight ratio;
the mildew preventive is one or a mixture of titanium dioxide and zinc oxide in any weight ratio;
the preparation method of the ceramic black material for absorbing infrared heat radiation comprises the following steps:
(1) and (3) preparing materials: weighing the following components in parts by weight: mixing iron oxide, aluminum oxide, zirconium oxide, metal oxide infrared radiation micro powder, an adhesive, a dispersing agent, a thickening agent, a defoaming agent and a mildew preventive;
(2) and mixing: putting ferric oxide, aluminum oxide, zirconium oxide, a binder, a dispersant, a thickening agent, a defoaming agent and a mildew preventive into a stirrer, stirring and mixing to obtain a mixture, adding ball stones accounting for 20-30% of the weight and volume of the mixture and water accounting for 45-55% of the weight and volume of the mixture, uniformly mixing, putting into a ball milling tank, and carrying out ball milling for 3.5-4.5 hours to obtain a ceramic black blank;
the weight volume refers to the solid in g and the liquid in ml;
(3) and sieving: sieving the obtained ceramic black blank material with a 250-mesh sieve at normal temperature to obtain mixed powder;
(4) pulping: adding water into the mixed powder, and uniformly mixing, wherein the weight-volume ratio of the mixed powder to the water is 1:1.5, so as to obtain slurry-like ceramic black material;
(5) and (3) drying: drying the slurry ceramic black material at 180 ℃ for 1-2h to obtain a block black material;
(6) and grinding: grinding the blocky black materials into powder, and sieving the powder by a 250-mesh sieve to obtain black material fine powder;
(7) and (3) high-temperature treatment: putting the black material fine powder into a high-temperature furnace, heating to 380 ℃ from room temperature at the speed of 2 ℃/min, heating to 400 ℃ at the speed of 3 ℃/min, preserving heat for 4-6min, heating to 740 ℃ from 400 ℃ at the speed of 3 ℃/min, preserving heat for 28-32min, heating to 1400 ℃ at the speed of 2 ℃/min, pyrolyzing for 0.8-1.2h, cooling to room temperature along with the high-temperature furnace, mixing with the metal oxide infrared radiation micro powder, grinding again, and sieving with a 250-mesh sieve to obtain the ceramic black material.
2. The ceramic black material absorbing infrared thermal radiation according to claim 1, wherein said ingredients comprise the following raw materials by weight: 20 parts of ferric oxide, 15 parts of aluminum oxide, 10 parts of zirconia, 15 parts of metal oxide infrared radiation micro powder, 20 parts of adhesive, 0.15 part of dispersant, 0.4 part of thickener, 0.05 part of defoamer and 0.02 part of mildew preventive;
the adhesive is sulfate, the dispersing agent is sodium silicate, the thickening agent is bentonite, the defoaming agent is dimethyl silicone oil, and the mildew preventive is titanium dioxide.
3. The ceramic black material absorbing infrared thermal radiation according to claim 1, wherein said ingredients comprise the following raw materials by weight: 30 parts of ferric oxide, 30 parts of aluminum oxide, 15 parts of zirconia, 20 parts of metal oxide infrared radiation micro powder, 25 parts of adhesive, 0.25 part of dispersant, 1.5 parts of thickener, 0.10 part of defoamer and 0.8 part of mildew preventive;
the adhesive is silicate, the dispersing agent is ammonium citrate, the thickening agent is diatomite, the defoaming agent is silicon dioxide, and the mildew preventive is zinc oxide.
4. The ceramic black material absorbing infrared thermal radiation according to claim 1, wherein said ingredients comprise the following raw materials by weight: 25 parts of ferric oxide, 22.5 parts of aluminum oxide, 12.5 parts of zirconium oxide, 17.5 parts of metal oxide infrared radiation micro powder, 22.5 parts of adhesive, 0.2 part of dispersing agent, 0.95 part of thickening agent, 0.075 part of defoaming agent and 0.41 part of mildew preventive;
the adhesive is formed by mixing 15 parts of silicate, 5 parts of phosphate and 2.5 parts of borate;
the dispersing agent is formed by mixing 0.1 part of sodium silicate and 0.1 part of sodium aluminate;
the thickening agent is formed by mixing 0.5 part of bentonite and 0.45 part of diatomite;
the defoaming agent is formed by mixing 0.03 part of dimethyl silicone oil and 0.045 part of silicon dioxide;
the mildew preventive is formed by mixing 0.3 part of titanium dioxide and 0.11 part of zinc oxide.
5. The ceramic black material absorbing infrared thermal radiation according to claim 1, wherein said ingredients comprise the following raw materials by weight: 28 parts of ferric oxide, 27 parts of aluminum oxide, 14 parts of zirconia, 18.5 parts of metal oxide infrared radiation micro powder, 24 parts of adhesive, 0.23 part of dispersing agent, 1.2 parts of thickening agent, 0.09 part of defoaming agent and 0.7 part of mildew preventive;
the adhesive is formed by mixing 10 parts of sulfate and 14 parts of borate;
the dispersing agent is formed by mixing 0.2 part of sodium aluminate and 0.03 part of ammonium citrate;
the thickening agent is bentonite;
the defoaming agent is silicon dioxide;
the mildew preventive is formed by mixing 0.2 part of titanium dioxide and 0.5 part of zinc oxide.
6. Ceramic black material according to any of claims 1 to 5, characterized in that said pebbles are spherical stones or spherical cobblestones with a diameter of 30 to 50 mm.
CN202010878644.6A 2020-08-27 2020-08-27 Ceramic black material capable of absorbing infrared heat radiation and preparation method thereof Pending CN111943662A (en)

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