CN112408961A - Composite calcium material and preparation process thereof - Google Patents
Composite calcium material and preparation process thereof Download PDFInfo
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- CN112408961A CN112408961A CN202011574876.9A CN202011574876A CN112408961A CN 112408961 A CN112408961 A CN 112408961A CN 202011574876 A CN202011574876 A CN 202011574876A CN 112408961 A CN112408961 A CN 112408961A
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Abstract
The invention relates to the technical field of composite calcium, and discloses a composite calcium material which comprises the following raw materials in parts by weight: 30 parts of calcium silicate, 10 parts of triphenyl phosphate, 4 parts of talcum powder, 20 parts of glyceryl stearate, 20 parts of sodium thiosulfate, 10 parts of aluminum chloride hexahydrate, 20 parts of ethyl orthosilicate, 2 parts of diphenyl-p-phenylenediamine, 14 parts of sodium pentachlorophenate, 10 parts of magnesium chloride, 20 parts of a sodium sulfonate aqueous solution, 40 parts of silica sol, 30 parts of a magnesium raw material, 25 parts of a calcium raw material, 10 parts of a carbonaceous raw material, 2 parts of a bonding agent, 4 parts of a hydration-resistant additive and 1 part of an antioxidant additive, wherein the sodium sulfonate content in the sodium sulfonate aqueous solution is 3wt%, and the silica sol contains 40% of silicon dioxide and 0.1% of sodium chloride. The addition of a proper amount of talcum powder can reduce the linear shrinkage rate and improve the stability of the material.
Description
Technical Field
The invention relates to the technical field of composite calcium, in particular to a composite calcium material and a preparation process thereof.
Background
Calcium silicate is a white powder. Is tasteless. Is nontoxic. Dissolved in strong acid. It is insoluble in water, alcohol and alkali, and is needle crystal. When the crystal is heated to 680-700 ℃, crystal water is removed, and the crystal appearance is not changed. The calcium silicate is prepared by mixing silicic acid, quicklime and water according to a certain proportion, then carrying out hydrothermal reaction to generate calcium silicate microcrystal slurry, filtering, washing and drying, wherein the calcium silicate is prepared by calcining and melting calcium carbonate and silicon dioxide at high temperature. The crystal form is different depending on the formation conditions, and the use is different. It is mainly used as building material, heat insulating material, refractory material, pigment and carrier of paint, filter aid, candy polishing agent, gum mother sugar dusting agent, rice coating agent, suspending agent and analytical reagent. Calcium silicate composites are used in a wide variety of applications.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a composite calcium material and a preparation process thereof, and solves the problems.
(II) technical scheme
In order to achieve the above purpose, the invention provides the following technical scheme: a composite calcium material comprises the following raw materials in parts by weight: 30-60 parts of calcium silicate, 10-12 parts of triphenyl phosphate, 4-8 parts of talcum powder, 20-30 parts of glyceryl stearate, 20-30 parts of sodium thiosulfate, 10-30 parts of aluminum chloride hexahydrate, 20-30 parts of ethyl orthosilicate, 2-8 parts of diphenyl-p-phenylenediamine, 14-15 parts of sodium pentachlorophenate, 10-40 parts of magnesium chloride, 20-30 parts of sodium sulfonate aqueous solution, 40-80 parts of silica sol, 30-55 parts of magnesium raw material, 25-40 parts of calcium raw material, 10-25 parts of carbonaceous raw material, 2-5 parts of binding agent, 4-9 parts of hydration-resistant additive and 1-3 parts of antioxidant additive.
Preferably, the sodium sulfonate aqueous solution contains 3-4 wt% of sodium sulfonate, the silica sol contains 40% of silica and 0.1% of sodium chloride, the magnesium raw material is one or two of fused magnesia particles and sintered magnesia particles, the calcium raw material is anhydrous active limestone particles, the carbonaceous raw material is one or more of graphite, carbon black and needle coke, the binding agent is a mixture of asphalt melt, liquid tar, thermoplastic phenolic resin liquid and urotropine, the dosage ratio of the asphalt solution, the liquid tar, the thermoplastic phenolic resin solution and the urotropine is 1:0.5:2:1, the anti-hydration additive is a mixture of ferric oxide, silica and alumina, and the dosage ratio of the ferric oxide, the silica and the alumina is 3:1: 2.
A preparation process of a composite calcium material comprises the following steps:
s1, preparing a primary material;
s2, primary material treatment;
s3, drying;
s4, screening;
and S5, firing the finished product.
Preferably, the preparation of the initial material in the S1 is specifically as follows: mixing calcium silicate, talcum powder and sodium sulfonate aqueous solution, stirring uniformly, mixing the magnesium raw material, the calcium raw material, the carbonaceous raw material, the hydration-resistant additive and the antioxidant additive in a zirconia pot pulping machine which takes zirconia balls as grinding media, adding isopropanol, and carrying out wet grinding to obtain a ground wet material for later use.
Preferably, the initial material treatment in S2 specifically includes: and after the primary material is fully ground, adding a bonding agent into the ground wet material, and fully and uniformly mixing the bonding agent and the grinding material.
Preferably, the drying in S3 specifically includes: and (3) putting the ground wet material fully and uniformly mixed with the bonding agent into an oven, setting the temperature to be 1020-1040 ℃ and the pressure to be 70-110 Pa, adding calcium carbonate powder, magnesium sulfate powder and carbon powder after 4 hours, drying for 24 hours, and standing for air drying.
Preferably, the sieve material in S4 is specifically: and screening the dried abrasive by using a 60-mesh screen, and completely mixing the screened abrasive with 5% of polyvinyl alcohol to realize green body molding.
Preferably, the firing of the finished product in S5 is specifically: and firing the formed blank, wherein in the process of firing the blank, the temperature is increased to 1000 ℃ at the speed of 5 ℃/min, then the temperature is increased to 1600 ℃ at the speed of 3 ℃/min, and the blank is fired for 2 h.
(III) advantageous effects
Compared with the prior art, the invention provides a composite calcium material and a preparation process thereof, and the composite calcium material has the following beneficial effects:
1. the flexural strength of the cured composite calcium material can reach more than 1.2MPa through the sodium thiosulfate in the invention. The addition of a proper amount of talcum powder can reduce the linear shrinkage rate and improve the stability of the material.
2. The calcium-iron composite material prepared by the preparation method has good corrosion resistance, can resist 10wt% of NaCl solution, 3wt% of nitric acid solution and 15wt% of potassium hydroxide solution, is not changed after being soaked for 30 days, and still maintains the original characteristics and appearance.
3. According to the composite calcium material and the preparation process thereof, the antioxidant additive is added into the formula, so that a compact oxide layer exists between an oxidized area and an unoxidized area of the composite calcium material after firing, the oxidation of carbon in the refractory material is prevented, the oxidation resistance and the structural compactness of the composite calcium material are improved, and meanwhile, the hydration-resistant additive is added, so that the composite calcium material can contribute to liquid phase sintering, promote the growth of CaO crystals and further resist the erosion and corrosion of water.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: a composite calcium material comprises the following raw materials in parts by weight: 30 parts of calcium silicate, 10 parts of triphenyl phosphate, 4 parts of talcum powder, 20 parts of glyceryl stearate, 20 parts of sodium thiosulfate, 10 parts of aluminum chloride hexahydrate, 20 parts of ethyl orthosilicate, 2 parts of diphenyl-p-phenylenediamine, 14 parts of sodium pentachlorophenate, 10 parts of magnesium chloride, 20 parts of a sodium sulfonate aqueous solution, 40 parts of silica sol, 30 parts of a magnesium raw material, 25 parts of a calcium raw material, 10 parts of a carbonaceous raw material, 2 parts of a bonding agent, 4 parts of a hydration-resistant additive and 1 part of an antioxidant additive, wherein the sodium sulfonate content in the sodium sulfonate aqueous solution is 3wt%, the silica sol contains 40% of silicon dioxide and 0.1% of sodium chloride, the magnesium raw material is one or two of fused magnesia particles and sintered magnesia particles, the calcium raw material is anhydrous active limestone particles, the raw material is one or more of graphite, carbon black and needle coke, and the bonding agent is one or more of asphalt melt, calcium phosphate, carbon black and needle coke, The liquid tar, the thermoplastic phenolic resin liquid and the urotropine are mixed, the dosage ratio of the asphalt solution, the liquid tar, the thermoplastic phenolic resin solution and the urotropine is 1:0.5:2:1, the anti-hydration additive is a mixture of ferric oxide, silicon dioxide and aluminum oxide, and the dosage ratio of the ferric oxide, the silicon dioxide and the aluminum oxide is 3:1: 2.
A preparation process of a composite calcium material comprises the following steps:
s1, preparing a primary material;
s2, primary material treatment;
s3, drying;
s4, screening;
and S5, firing the finished product.
The initial material preparation in the S1 is specifically as follows: mixing calcium silicate, talcum powder and sodium sulfonate aqueous solution, stirring uniformly, mixing the magnesium raw material, the calcium raw material, the carbonaceous raw material, the hydration-resistant additive and the antioxidant additive in a zirconia pot pulping machine which takes zirconia balls as grinding media, adding isopropanol, and carrying out wet grinding to obtain a ground wet material for later use.
The initial material treatment in the S2 is specifically as follows: and after the primary material is fully ground, adding a bonding agent into the ground wet material, and fully and uniformly mixing the bonding agent and the grinding material.
The drying in the S3 step is specifically as follows: and (3) putting the ground wet material fully and uniformly mixed with the bonding agent into an oven, setting the temperature at 1020 ℃ and the pressure at 70Pa, adding calcium carbonate powder, magnesium sulfate powder and carbon powder after 4 hours, drying for 24 hours, and standing for air drying.
The sieve material in S4 is specifically: and screening the dried abrasive by using a 60-mesh screen, and completely mixing the screened abrasive with 5% of polyvinyl alcohol to realize green body molding.
The firing of the finished product in S5 specifically comprises the following steps: and firing the formed blank, wherein in the process of firing the blank, the temperature is increased to 1000 ℃ at the speed of 5 ℃/min, then the temperature is increased to 1600 ℃ at the speed of 3 ℃/min, and the blank is fired for 2 h.
Example two: a composite calcium material comprises the following raw materials in parts by weight: 60 parts of calcium silicate, 12 parts of triphenyl phosphate, 8 parts of talcum powder, 30 parts of glyceryl stearate, 30 parts of sodium thiosulfate, 30 parts of aluminum chloride hexahydrate, 30 parts of ethyl orthosilicate, 8 parts of diphenyl-p-phenylenediamine, 15 parts of sodium pentachlorophenate, 40 parts of magnesium chloride, 30 parts of a sodium sulfonate aqueous solution, 80 parts of silica sol, 55 parts of a magnesium raw material, 40 parts of a calcium raw material, 25 parts of a carbonaceous raw material, 5 parts of a bonding agent, 9 parts of a hydration-resistant additive and 3 parts of an antioxidant additive, wherein the sodium sulfonate content in the sodium sulfonate aqueous solution is 4 wt%, the silica sol contains 40% of silicon dioxide and 0.1% of sodium chloride, the magnesium raw material is one or two of fused magnesia particles and sintered magnesia particles, the calcium raw material is anhydrous active limestone particles, the raw material is one or more of graphite, carbon black and needle coke, and the bonding agent is asphalt melt, the calcium silicate is a mixture of calcium silicate, carbon black and, The liquid tar, the thermoplastic phenolic resin liquid and the urotropine are mixed, the dosage ratio of the asphalt solution, the liquid tar, the thermoplastic phenolic resin solution and the urotropine is 1:0.5:2:1, the anti-hydration additive is a mixture of ferric oxide, silicon dioxide and aluminum oxide, and the dosage ratio of the ferric oxide, the silicon dioxide and the aluminum oxide is 3:1: 2.
A preparation process of a composite calcium material comprises the following steps:
s1, preparing a primary material;
s2, primary material treatment;
s3, drying;
s4, screening;
and S5, firing the finished product.
The initial material preparation in the S1 is specifically as follows: mixing calcium silicate, talcum powder and sodium sulfonate aqueous solution, stirring uniformly, mixing the magnesium raw material, the calcium raw material, the carbonaceous raw material, the hydration-resistant additive and the antioxidant additive in a zirconia pot pulping machine which takes zirconia balls as grinding media, adding isopropanol, and carrying out wet grinding to obtain a ground wet material for later use.
The initial material treatment in the S2 is specifically as follows: and after the primary material is fully ground, adding a bonding agent into the ground wet material, and fully and uniformly mixing the bonding agent and the grinding material.
The drying in the S3 step is specifically as follows: and (3) putting the ground wet material fully and uniformly mixed with the bonding agent into an oven, setting the temperature at 1040 ℃ and the pressure at 110Pa, adding calcium carbonate powder, magnesium sulfate powder and carbon powder after 4 hours, drying for 24 hours, and standing for air drying.
The sieve material in S4 is specifically: and screening the dried abrasive by using a 60-mesh screen, and completely mixing the screened abrasive with 5% of polyvinyl alcohol to realize green body molding.
The firing of the finished product in S5 specifically comprises the following steps: and firing the formed blank, wherein in the process of firing the blank, the temperature is increased to 1000 ℃ at the speed of 5 ℃/min, then the temperature is increased to 1600 ℃ at the speed of 3 ℃/min, and the blank is fired for 2 h.
Example three: a composite calcium material comprises the following raw materials in parts by weight: 40 parts of calcium silicate, 11 parts of triphenyl phosphate, 5 parts of talcum powder, 24 parts of glyceryl stearate, 25 parts of sodium thiosulfate, 20 parts of aluminum chloride hexahydrate, 25 parts of ethyl orthosilicate, 4 parts of diphenyl-p-phenylenediamine, 14 parts of sodium pentachlorophenate, 20 parts of magnesium chloride, 24 parts of a sodium sulfonate aqueous solution, 70 parts of silica sol, 40 parts of a magnesium raw material, 35 parts of a calcium raw material, 20 parts of a carbonaceous raw material, 3 parts of a bonding agent, 6 parts of a hydration-resistant additive and 2 parts of an antioxidant additive, wherein the sodium sulfonate content in the sodium sulfonate aqueous solution is 3wt%, the silica sol contains 40% of silicon dioxide and 0.1% of sodium chloride, the magnesium raw material is one or two of fused magnesia particles and sintered magnesia particles in parts by mass, the calcium raw material is anhydrous active limestone particles, the raw material is one or more of graphite, carbon black and needle coke, and the bonding agent is one or more of asphalt melt, calcium phosphate, carbon black and needle coke, The liquid tar, the thermoplastic phenolic resin liquid and the urotropine are mixed, the dosage ratio of the asphalt solution, the liquid tar, the thermoplastic phenolic resin solution and the urotropine is 1:0.5:2:1, the anti-hydration additive is a mixture of ferric oxide, silicon dioxide and aluminum oxide, and the dosage ratio of the ferric oxide, the silicon dioxide and the aluminum oxide is 3:1: 2.
A preparation process of a composite calcium material comprises the following steps:
s1, preparing a primary material;
s2, primary material treatment;
s3, drying;
s4, screening;
and S5, firing the finished product.
The initial material preparation in the S1 is specifically as follows: mixing calcium silicate, talcum powder and sodium sulfonate aqueous solution, stirring uniformly, mixing the magnesium raw material, the calcium raw material, the carbonaceous raw material, the hydration-resistant additive and the antioxidant additive in a zirconia pot pulping machine which takes zirconia balls as grinding media, adding isopropanol, and carrying out wet grinding to obtain a ground wet material for later use.
The initial material treatment in the S2 is specifically as follows: and after the primary material is fully ground, adding a bonding agent into the ground wet material, and fully and uniformly mixing the bonding agent and the grinding material.
The drying in the S3 step is specifically as follows: and (3) putting the ground wet material fully and uniformly mixed with the bonding agent in an oven, setting the temperature at 1030 ℃ and the pressure at 100Pa, adding calcium carbonate powder, magnesium sulfate powder and carbon powder after 4 hours, drying for 24 hours, and standing for air drying.
The sieve material in S4 is specifically: and screening the dried abrasive by using a 60-mesh screen, and completely mixing the screened abrasive with 5% of polyvinyl alcohol to realize green body molding.
The firing of the finished product in S5 specifically comprises the following steps: and firing the formed blank, wherein in the process of firing the blank, the temperature is increased to 1000 ℃ at the speed of 5 ℃/min, then the temperature is increased to 1600 ℃ at the speed of 3 ℃/min, and the blank is fired for 2 h.
Example four: a composite calcium material comprises the following raw materials in parts by weight: 60 parts of calcium silicate, 10 parts of triphenyl phosphate, 8 parts of talcum powder, 30 parts of glyceryl stearate, 20 parts of sodium thiosulfate, 10 parts of aluminum chloride hexahydrate, 30 parts of ethyl orthosilicate, 8 parts of diphenyl-p-phenylenediamine, 15 parts of sodium pentachlorophenate, 40 parts of magnesium chloride, 20 parts of a sodium sulfonate aqueous solution, 80 parts of silica sol, 30 parts of a magnesium raw material, 40 parts of a calcium raw material, 10 parts of a carbonaceous raw material, 5 parts of a bonding agent, 4 parts of a hydration-resistant additive and 3 parts of an antioxidant additive, wherein the sodium sulfonate content in the sodium sulfonate aqueous solution is 3wt%, the silica sol contains 40% of silicon dioxide and 0.1% of sodium chloride, the magnesium raw material is one or two of fused magnesia particles and sintered magnesia particles, the calcium raw material is anhydrous active limestone particles, the raw material is one or more of graphite, carbon black and needle coke, and the bonding agent is one or more of asphalt melt, calcium phosphate, carbon black and needle coke, The liquid tar, the thermoplastic phenolic resin liquid and the urotropine are mixed, the dosage ratio of the asphalt solution, the liquid tar, the thermoplastic phenolic resin solution and the urotropine is 1:0.5:2:1, the anti-hydration additive is a mixture of ferric oxide, silicon dioxide and aluminum oxide, and the dosage ratio of the ferric oxide, the silicon dioxide and the aluminum oxide is 3:1: 2.
A preparation process of a composite calcium material comprises the following steps:
s1, preparing a primary material;
s2, primary material treatment;
s3, drying;
s4, screening;
and S5, firing the finished product.
The initial material preparation in the S1 is specifically as follows: mixing calcium silicate, talcum powder and sodium sulfonate aqueous solution, stirring uniformly, mixing the magnesium raw material, the calcium raw material, the carbonaceous raw material, the hydration-resistant additive and the antioxidant additive in a zirconia pot pulping machine which takes zirconia balls as grinding media, adding isopropanol, and carrying out wet grinding to obtain a ground wet material for later use.
The initial material treatment in the S2 is specifically as follows: and after the primary material is fully ground, adding a bonding agent into the ground wet material, and fully and uniformly mixing the bonding agent and the grinding material.
The drying in the S3 step is specifically as follows: and (3) putting the ground wet material fully and uniformly mixed with the bonding agent into an oven, setting the temperature at 1020 ℃ and the pressure at 110Pa, adding calcium carbonate powder, magnesium sulfate powder and carbon powder after 4 hours, drying for 24 hours, and standing for air drying.
The sieve material in S4 is specifically: and screening the dried abrasive by using a 60-mesh screen, and completely mixing the screened abrasive with 5% of polyvinyl alcohol to realize green body molding.
The firing of the finished product in S5 specifically comprises the following steps: and firing the formed blank, wherein in the process of firing the blank, the temperature is increased to 1000 ℃ at the speed of 5 ℃/min, then the temperature is increased to 1600 ℃ at the speed of 3 ℃/min, and the blank is fired for 2 h.
Example five: a composite calcium material comprises the following raw materials in parts by weight: 50 parts of calcium silicate, 12 parts of triphenyl phosphate, 4 parts of talcum powder, 24 parts of glyceryl stearate, 23 parts of sodium thiosulfate, 22 parts of aluminum chloride hexahydrate, 21 parts of ethyl orthosilicate, 4 parts of diphenyl-p-phenylenediamine, 14 parts of sodium pentachlorophenate, 10 parts of magnesium chloride, 30 parts of sodium sulfonate aqueous solution, 40 parts of silica sol, 45 parts of magnesium raw material, 34 parts of calcium raw material, 20 parts of carbonaceous raw material, 3 parts of binding agent, 7 parts of hydration-resistant additive and 1 part of antioxidant additive, wherein the sodium sulfonate content in the sodium sulfonate aqueous solution is 4 wt%, the silica sol contains 40% of silicon dioxide and 0.1% of sodium chloride, the magnesium raw material is one or two of fused magnesia particles and sintered magnesia particles in parts by mass, the calcium raw material is anhydrous active limestone particles, the raw material is one or more of graphite, carbon black and needle coke, and the binding agent is asphalt melt, the calcium silicate is a mixture of calcium silicate, carbon black and needle coke, The liquid tar, the thermoplastic phenolic resin liquid and the urotropine are mixed, the dosage ratio of the asphalt solution, the liquid tar, the thermoplastic phenolic resin solution and the urotropine is 1:0.5:2:1, the anti-hydration additive is a mixture of ferric oxide, silicon dioxide and aluminum oxide, and the dosage ratio of the ferric oxide, the silicon dioxide and the aluminum oxide is 3:1: 2.
A preparation process of a composite calcium material comprises the following steps:
s1, preparing a primary material;
s2, primary material treatment;
s3, drying;
s4, screening;
and S5, firing the finished product.
The initial material preparation in the S1 is specifically as follows: mixing calcium silicate, talcum powder and sodium sulfonate aqueous solution, stirring uniformly, mixing the magnesium raw material, the calcium raw material, the carbonaceous raw material, the hydration-resistant additive and the antioxidant additive in a zirconia pot pulping machine which takes zirconia balls as grinding media, adding isopropanol, and carrying out wet grinding to obtain a ground wet material for later use.
The initial material treatment in the S2 is specifically as follows: and after the primary material is fully ground, adding a bonding agent into the ground wet material, and fully and uniformly mixing the bonding agent and the grinding material.
The drying in the S3 step is specifically as follows: and (3) putting the ground wet material fully and uniformly mixed with the bonding agent into an oven, setting the temperature at 1020 ℃ and the pressure at 110Pa, adding calcium carbonate powder, magnesium sulfate powder and carbon powder after 4 hours, drying for 24 hours, and standing for air drying.
The sieve material in S4 is specifically: and screening the dried abrasive by using a 60-mesh screen, and completely mixing the screened abrasive with 5% of polyvinyl alcohol to realize green body molding.
The firing of the finished product in S5 specifically comprises the following steps: and firing the formed blank, wherein in the process of firing the blank, the temperature is increased to 1000 ℃ at the speed of 5 ℃/min, then the temperature is increased to 1600 ℃ at the speed of 3 ℃/min, and the blank is fired for 2 h.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A composite calcium material, characterized by: the composite material comprises the following raw materials in parts by weight: 30-60 parts of calcium silicate, 10-12 parts of triphenyl phosphate, 4-8 parts of talcum powder, 20-30 parts of glyceryl stearate, 20-30 parts of sodium thiosulfate, 10-30 parts of aluminum chloride hexahydrate, 20-30 parts of ethyl orthosilicate, 2-8 parts of diphenyl-p-phenylenediamine, 14-15 parts of sodium pentachlorophenate, 10-40 parts of magnesium chloride, 20-30 parts of sodium sulfonate aqueous solution, 40-80 parts of silica sol, 30-55 parts of magnesium raw material, 25-40 parts of calcium raw material, 10-25 parts of carbonaceous raw material, 2-5 parts of binding agent, 4-9 parts of hydration-resistant additive and 1-3 parts of antioxidant additive.
2. A preparation process of a composite calcium material is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing a primary material;
s2, primary material treatment;
s3, drying;
s4, screening;
and S5, firing the finished product.
3. The composite calcium material according to claim 1, wherein: the sodium sulfonate aqueous solution contains 3-4 wt% of sodium sulfonate, silica sol contains 40% of silica and 0.1% of sodium chloride, the magnesium raw material is one or two of fused magnesia particles and sintered magnesia particles, the calcium raw material is anhydrous active limestone particles, the carbonaceous raw material is one or more of graphite, carbon black and needle coke, the binding agent is a mixture of asphalt melt, liquid tar, thermoplastic phenolic resin liquid and urotropine, the dosage ratio of the asphalt solution, the liquid tar, the thermoplastic phenolic resin solution and the urotropine is 1:0.5:2:1, the anti-hydration additive is a mixture of ferric oxide, silica and alumina, and the dosage ratio of the ferric oxide, the silica and the alumina is 3:1: 2.
4. The composite calcium material and the preparation process thereof according to claim 2, wherein the composite calcium material comprises the following components in percentage by weight: the initial material preparation in the S1 is specifically as follows: mixing calcium silicate, talcum powder and sodium sulfonate aqueous solution, stirring uniformly, mixing the magnesium raw material, the calcium raw material, the carbonaceous raw material, the hydration-resistant additive and the antioxidant additive in a zirconia pot pulping machine which takes zirconia balls as grinding media, adding isopropanol, and carrying out wet grinding to obtain a ground wet material for later use.
5. The composite calcium material and the preparation process thereof according to claim 2, wherein the composite calcium material comprises the following components in percentage by weight: the initial material treatment in the S2 specifically comprises the following steps: and after the primary material is fully ground, adding a bonding agent into the ground wet material, and fully and uniformly mixing the bonding agent and the grinding material.
6. The composite calcium material and the preparation process thereof according to claim 2, wherein the composite calcium material comprises the following components in percentage by weight: the drying in the step S3 specifically comprises the following steps: and (3) putting the ground wet material fully and uniformly mixed with the bonding agent into an oven, setting the temperature to be 1020-1040 ℃ and the pressure to be 70-110 Pa, adding calcium carbonate powder, magnesium sulfate powder and carbon powder after 4 hours, drying for 24 hours, and standing for air drying.
7. The composite calcium material and the preparation process thereof according to claim 2, wherein the composite calcium material comprises the following components in percentage by weight: the material sieving in the S4 is specifically as follows: and screening the dried abrasive by using a 60-mesh screen, and completely mixing the screened abrasive with 5% of polyvinyl alcohol to realize green body molding.
8. The composite calcium material and the preparation process thereof according to claim 2, wherein the composite calcium material comprises the following components in percentage by weight: the firing of the finished product in the S5 specifically comprises the following steps: and firing the formed blank, wherein in the process of firing the blank, the temperature is increased to 1000 ℃ at the speed of 5 ℃/min, then the temperature is increased to 1600 ℃ at the speed of 3 ℃/min, and the blank is fired for 2 h.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117342849A (en) * | 2023-12-04 | 2024-01-05 | 北京慕湖外加剂有限公司 | Concrete for tubular pile, compressive steaming-free prestressed concrete tubular pile and tubular pile preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007230814A (en) * | 2006-02-28 | 2007-09-13 | Shinetsu Quartz Prod Co Ltd | Method of manufacturing rare earth metal element-containing silica glass for optics |
| CN109180136A (en) * | 2018-10-04 | 2019-01-11 | 南京航空航天大学溧水仿生产业研究院有限公司 | Calcium silicates composite material and preparation method |
| CN109627017A (en) * | 2018-11-10 | 2019-04-16 | 盐城紫环工业机械有限公司 | A kind of carbon composite refractory and its preparation process |
| CN110668833A (en) * | 2019-10-28 | 2020-01-10 | 刘晓慧 | Preparation method of magnesium-calcium-carbon composite material |
-
2020
- 2020-12-28 CN CN202011574876.9A patent/CN112408961A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007230814A (en) * | 2006-02-28 | 2007-09-13 | Shinetsu Quartz Prod Co Ltd | Method of manufacturing rare earth metal element-containing silica glass for optics |
| CN109180136A (en) * | 2018-10-04 | 2019-01-11 | 南京航空航天大学溧水仿生产业研究院有限公司 | Calcium silicates composite material and preparation method |
| CN109627017A (en) * | 2018-11-10 | 2019-04-16 | 盐城紫环工业机械有限公司 | A kind of carbon composite refractory and its preparation process |
| CN110668833A (en) * | 2019-10-28 | 2020-01-10 | 刘晓慧 | Preparation method of magnesium-calcium-carbon composite material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117342849A (en) * | 2023-12-04 | 2024-01-05 | 北京慕湖外加剂有限公司 | Concrete for tubular pile, compressive steaming-free prestressed concrete tubular pile and tubular pile preparation method |
| CN117342849B (en) * | 2023-12-04 | 2024-03-12 | 北京慕湖外加剂有限公司 | Concrete for tubular pile, compressive steaming-free prestressed concrete tubular pile and tubular pile preparation method |
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