CN114433124A - Preparation method of high-temperature alloy catalyst for producing artificial diamond - Google Patents
Preparation method of high-temperature alloy catalyst for producing artificial diamond Download PDFInfo
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- CN114433124A CN114433124A CN202210081958.2A CN202210081958A CN114433124A CN 114433124 A CN114433124 A CN 114433124A CN 202210081958 A CN202210081958 A CN 202210081958A CN 114433124 A CN114433124 A CN 114433124A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
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Abstract
The invention discloses a preparation method of a high-temperature alloy catalyst for producing artificial diamond, which comprises the following steps: the method comprises the following steps: mixing nickel, manganese and cobalt together according to a certain proportion, changing the mixture into a molten state under the conditions of high temperature and high pressure, and uniformly stirring for later use; step two: mixing iron, silicon, titanium and boron together according to a certain proportion, melting the mixture, and uniformly stirring the mixture for later use; step three: (1) uniformly mixing and stirring the mixed solution to be used in the first step and the second step, adding hydride, and uniformly stirring again to obtain a mixed solution for later use; (2) the mixed solution is made into fine dropping liquid by a rapid solidification atomization method, and is made into high-temperature alloy catalyst powder by spheroidization, cooling and solidification. Compared with the prior art, the invention has the advantages that: the pressure and temperature during diamond manufacturing can be further shortened, and the mechanical property of the manufactured diamond can be changed, so that the yield and quality of diamond preparation are improved.
Description
Technical Field
The invention relates to the technical field of catalysts for artificial diamond, in particular to a preparation method of a high-temperature alloy catalyst for producing artificial diamond.
Background
The artificial diamond is a phase transition process of carbon isomer, the catalyst is a material which plays a role in reducing the phase transition activation energy and synthesis temperature of diamond when graphite is converted into diamond in a high-temperature and high-pressure environment, and the conversion of graphite into diamond requires very high pressure and very high temperature without the participation of the catalyst. After the catalyst is added, the pressure and temperature for synthesizing diamond can be respectively reduced to a smaller range.
However, the traditional catalyst is not wide enough in composition raw materials, so that the temperature and pressure of the synthesized diamond are not greatly influenced, and therefore, the catalyst needs to be improved, so that the yield and the quality of the produced diamond are improved.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the technical defects and provide a preparation method of a high-temperature alloy catalyst for producing artificial diamond, which can further shorten the pressure and temperature during diamond manufacturing and change the mechanical property of the manufactured diamond, thereby improving the yield and quality of diamond preparation.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a preparation method of a high-temperature alloy catalyst for producing artificial diamond comprises the following steps:
the method comprises the following steps: preparation of alloy structure
Mixing nickel, manganese and cobalt together according to a certain proportion, changing the mixture into a molten state under the conditions of high temperature and high pressure, and uniformly stirring for later use;
step two: preparation of additive elements
Mixing iron, silicon, titanium and boron together according to a certain proportion, melting the mixture, and uniformly stirring the mixture for later use;
step three: preparation of high-temperature alloy catalyst
(1) Uniformly mixing and stirring the mixed solution to be used in the first step and the second step, adding hydride, and uniformly stirring again to obtain a mixed solution for later use;
(2) the mixed solution is made into fine dropping liquid by a rapid solidification atomization method, and is made into high-temperature alloy catalyst powder by spheroidization, cooling and solidification.
Preferably, the weight ratio of nickel, manganese and cobalt in the first step is 60: 25: 5.
preferably, the weight ratio of the alloy structure, the additive elements and the hydride is 9: 0.9: 0.1.
preferably, the hydride is any one of alkali metal, carbonate and sulfate.
Preferably, the rapid solidification atomization method is an inert gas atomization method or a high-pressure water atomization method.
Compared with the prior art, the invention has the advantages that: on the basis of the raw materials of nickel, manganese and cobalt, iron, silicon, titanium, boron and hydride are added, so that the pressure and temperature during diamond manufacturing can be further shortened, and the mechanical property of the manufactured diamond can be changed, thereby improving the yield and quality of diamond preparation.
Detailed Description
The present invention is described in further detail below.
A preparation method of a high-temperature alloy catalyst for producing artificial diamond comprises the following steps:
the method comprises the following steps: preparation of alloy structure
Mixing nickel, manganese and cobalt together according to a certain proportion, changing the mixture into a molten state under the conditions of high temperature and high pressure, and uniformly stirring for later use;
step two: preparation of additive elements
Mixing iron, silicon, titanium and boron together according to a certain proportion, melting the mixture, and uniformly stirring the mixture for later use;
step three: preparation of high-temperature alloy catalyst
(1) Uniformly mixing and stirring the mixed solution to be used in the first step and the second step, adding hydride, and uniformly stirring again to obtain a mixed solution for later use;
(2) the mixed solution is made into fine dropping liquid by a rapid solidification atomization method, and is made into high-temperature alloy catalyst powder by spheroidization, cooling and solidification.
The weight ratio of nickel, manganese and cobalt in the first step is 60: 25: 5.
the weight ratio of alloy structure, added elements and hydride is 9: 0.9: 0.1.
the hydride is any one of alkali metal, carbonate and sulfate.
The rapid solidification atomization method is an inert gas atomization method or a high-pressure water atomization method.
In the concrete implementation of the invention, the preparation method of the catalyst powder prepared by adding iron, silicon, titanium, boron and hydride on the basis of the raw materials of nickel, manganese and cobalt is simple and rapid, the catalyst powder can be fully mixed with graphite powder, the contact area is increased, the synthetic yield can be greatly increased, the pressure and temperature for manufacturing diamond can be further shortened, and the mechanical property of the manufactured diamond can be changed, thereby increasing the yield and quality of the diamond preparation.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A preparation method of a high-temperature alloy catalyst for producing artificial diamond is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: preparation of alloy structure
Mixing nickel, manganese and cobalt together according to a certain proportion, changing the mixture into a molten state under the conditions of high temperature and high pressure, and uniformly stirring for later use;
step two: preparation of additive elements
Mixing iron, silicon, titanium and boron together according to a certain proportion, melting the mixture, and uniformly stirring the mixture for later use;
step three: preparation of high-temperature alloy catalyst
(1) Uniformly mixing and stirring the mixed solution to be used in the first step and the second step, adding hydride, and uniformly stirring again to obtain a mixed solution for later use;
(2) the mixed solution is made into fine dropping liquid by a rapid solidification atomization method, and is made into high-temperature alloy catalyst powder by spheroidization, cooling and solidification.
2. The method for preparing a superalloy catalyst for producing synthetic diamond according to claim 1, wherein: the weight ratio of nickel, manganese and cobalt in the first step is 60: 25: 5.
3. the method for preparing a superalloy catalyst for producing synthetic diamond according to claim 1, wherein: the weight ratio of alloy structure, added elements and hydride is 9: 0.9: 0.1.
4. the method for preparing a superalloy catalyst for producing synthetic diamond according to claim 1, wherein: the hydride is any one of alkali metal, carbonate and sulfate.
5. The method for preparing a superalloy catalyst for producing synthetic diamond according to claim 1, wherein: the rapid solidification atomization method is an inert gas atomization method or a high-pressure water atomization method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210081958.2A CN114433124A (en) | 2022-01-24 | 2022-01-24 | Preparation method of high-temperature alloy catalyst for producing artificial diamond |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210081958.2A CN114433124A (en) | 2022-01-24 | 2022-01-24 | Preparation method of high-temperature alloy catalyst for producing artificial diamond |
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| CN114433124A true CN114433124A (en) | 2022-05-06 |
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| CN202210081958.2A Pending CN114433124A (en) | 2022-01-24 | 2022-01-24 | Preparation method of high-temperature alloy catalyst for producing artificial diamond |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908414A (en) * | 2022-05-27 | 2022-08-16 | 禹州市新佳汇新材料科技有限公司 | Preparation method of colorless diamond single crystal catalyst |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4085196A (en) * | 1976-03-01 | 1978-04-18 | Vladimir Ivanovich Farafontov | Process for producing synthetic diamonds |
| CN102962069A (en) * | 2012-11-30 | 2013-03-13 | 北京安泰钢研超硬材料制品有限责任公司 | Catalyst for synthesizing boron-containing diamond and preparation method thereof |
| CN105921076A (en) * | 2016-06-03 | 2016-09-07 | 湖北鄂信钻石科技股份有限公司 | Preparation method for green artificial diamond |
| CN112371148A (en) * | 2020-10-22 | 2021-02-19 | 河南工业大学 | Preparation method of novel catalyst for synthesizing diamond at high temperature and high pressure |
-
2022
- 2022-01-24 CN CN202210081958.2A patent/CN114433124A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4085196A (en) * | 1976-03-01 | 1978-04-18 | Vladimir Ivanovich Farafontov | Process for producing synthetic diamonds |
| CN102962069A (en) * | 2012-11-30 | 2013-03-13 | 北京安泰钢研超硬材料制品有限责任公司 | Catalyst for synthesizing boron-containing diamond and preparation method thereof |
| CN105921076A (en) * | 2016-06-03 | 2016-09-07 | 湖北鄂信钻石科技股份有限公司 | Preparation method for green artificial diamond |
| CN112371148A (en) * | 2020-10-22 | 2021-02-19 | 河南工业大学 | Preparation method of novel catalyst for synthesizing diamond at high temperature and high pressure |
Non-Patent Citations (3)
| Title |
|---|
| 单仲林等: "人造金刚石用镍-锰-钴触媒合金片的研制", 《天津冶金》, no. 2, pages 35 * |
| 张建安: "金刚石合成用触媒材料的发展现状与前景", 《矿冶工程》, vol. 13, no. 2, pages 62 * |
| 方啸虎等: "当前我国新触媒的研究和应用", 《超硬材料与宝石》, vol. 15, no. 4, pages 3 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908414A (en) * | 2022-05-27 | 2022-08-16 | 禹州市新佳汇新材料科技有限公司 | Preparation method of colorless diamond single crystal catalyst |
| CN114908414B (en) * | 2022-05-27 | 2023-12-01 | 禹州市新佳汇新材料科技有限公司 | Preparation method of colorless diamond monocrystal catalyst |
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