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Manufacturing method of synthetic rod capable of reducing diamond synthesis pressure

A technology for synthetic diamonds and production methods, which is applied in the field of synthetic rod production, can solve problems such as fatigue damage, cracking hammer, and collapse hammer, and achieve the effects of reducing production costs, prolonging service life, reducing pressure and the probability of cracking of hinge beams

Pending Publication Date: 2021-09-28
HENAN HUANGHE WHIRLWIND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high temperature and high pressure environment required for synthetic diamonds, the top hammer of the press is subjected to complex and alternating internal stress for a long time, resulting in long-term fatigue damage, which is easy to cause cracking and collapse of the hammer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method of fabricating a synthetic rod that reduces synthetic diamond pressure, including the following steps:

[0025] 1) Adding the powder catalyst and the graphite carbon source to the mixing machine in a certain proportion;

[0026] 2) The raw material after mixing step 1 is granulated by the different molds of the granules, and is granulated;

[0027] 3) Restore the particulate material to reduce the gas, remove oxygen, then cool to room temperature;

[0028] 4) Press the particles of step 3 in the automatic press to synthesize graphite rods;

[0029] 5) The pressed graphite rod is placed in a six-sided tape pressure machine synthesis diamond.

[0030] As a further description of the present invention, the graphite carbon source in the step 1 is 300, and the powder catalyst is 35% iron powder and 65% nickel powder mixture, the mixture of the two is: The graphite carbon source is 60%, and the powder catalyst is 40%.

[0031] As a further description of the present inve...

Embodiment 2

[0039] A method of fabricating a synthetic rod that reduces synthetic diamond pressure, including the following steps:

[0040] 1) Adding the powder catalyst and the graphite carbon source to the mixing machine in a certain proportion;

[0041] 2) The raw material after mixing step 1 is granulated by the different molds of the granules, and is granulated;

[0042] 3) Restore the particulate material to reduce the gas, remove oxygen, then cool to room temperature;

[0043] 4) Press the particles of step 3 in the automatic press to synthesize graphite rods;

[0044] 5) The pressed graphite rod is placed in a six-sided tape pressure machine synthesis diamond.

[0045] As a further description of the present invention, the graphite carbon source in the step 1 is 300, and the powder catalysis is 50% iron powder and 50% nickel powder mixture, the mixing proportion of the two is: The graphite carbon source is 60%, and the powder catalyst is 40%.

[0046] As a further description of the p...

Embodiment 3

[0054] A method of fabricating a synthetic rod that reduces synthetic diamond pressure, including the following steps:

[0055] 1) Adding the powder catalyst and the graphite carbon source to the mixing machine in a certain proportion;

[0056] 2) The raw material after mixing step 1 is granulated by the different molds of the granules, and is granulated;

[0057] 3) Restore the particulate material to reduce the gas, remove oxygen, then cool to room temperature;

[0058] 4) Press the particles of step 3 in the automatic press to synthesize graphite rods;

[0059]5) The pressed graphite rod is placed in a six-sided tape pressure machine synthesis diamond.

[0060] As a further description of the present invention, the graphite carbon source in step 1 is 300, and the powder catalysis is 80% of iron powder and 20% nickel powder mixture, the mixture of the two is: The graphite carbon source is 60%, and the powder catalyst is 40%.

[0061] As a further description of the present inven...

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Abstract

The invention discloses a manufacturing method of a synthetic rod capable of reducing diamond synthesis pressure. The manufacturing method comprises the following steps: 1) adding a powder catalyst and a graphite carbon source into a mixer according to a certain proportion, and uniformly mixing; (2) successively granulating the raw materials mixed in the step (1) through different molds of a granulator to form granules; (3) reducing gas from the granules through a reduction furnace, removing oxygen, cooling to room temperature, and discharging from the furnace; (4) pressing the granules obtained in the step (3) into a synthetic graphite rod on an automatic press; (5) placing the pressed graphite rod in a cubic press to synthesize the diamond. The pressure during forming is obviously reduced in the process of pressing the synthetic graphite rod, meanwhile, as for the manufactured synthetic graphite rod, on the premise that the quality of the artificial diamond is not affected, the pressure used when the cubic press synthesizes the diamond and the cracking probability of the hinge beam are reduced, the service life of the cubic press is prolonged, and the production cost is reduced.

Description

Technical field [0001] The present invention belongs to the field of artificial diamond raw material processing technology, and it is related to the production method of reducing synthetic rods of synthetic diamond pressure. Background technique [0002] With the development of the powder coillation synthetic articles, the six-sided top static pressure method has become the main synthetic way of producing people's diamonds. Due to the high temperature and high pressure environment required for synthetic diamonds, the press-top hammer has long been internally stressed, long-term fatigue damage, easy to cause crack hammer, colliding hammer. [0003] Due to the faster price of diamond, the market is competitive, the circulation of diamond production equipment is basically similar, which determines how many diamond production processes are extremely similar, and the production cost of reducing diamond can be achieved by increasing management levels and technological progress. Among t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J3/06
CPCB01J3/06
Inventor 王镇北郭九如刘拾霞王丽红王果田冰涛李振宇朱叶飞
Owner HENAN HUANGHE WHIRLWIND CO LTD