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High-performance composite pressure transmission component and preparation method thereof

A high-performance, component technology, applied in the methods of using atmospheric pressure to chemically change substances, chemical instruments and methods, and ultra-high pressure processes, etc., can solve problems such as large pressure loss and weakening, and achieve pressure transfer efficiency. High, reduce flow deformation, save practical effect

Pending Publication Date: 2021-12-31
ZHONGNAN DIAMOND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] For this reason, the Chinese patent application number 201910227092.X discloses a method for preparing pyrophyllite with black pyrophyllite and yellow pyrophyllite as raw materials, and the Chinese patent application number 200310254656.1 discloses a pyrophyllite formula, which discloses a The method of preparing pyrophyllite by using blue-gray pyrophyllite, red pyrophyllite, brown pyrophyllite and yellow pyrophyllite as raw materials is to reduce the use of yellow pyrophyllite, but pyrophyllite has a large pressure loss during pressure transmission due to its material limitations , causing the pressure applied to the central region of the block to be greatly weakened compared to external pressure

Method used

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  • High-performance composite pressure transmission component and preparation method thereof
  • High-performance composite pressure transmission component and preparation method thereof
  • High-performance composite pressure transmission component and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Such as Figure 1 to Figure 2 As shown, a high-performance composite pressure transmission part, the high-performance composite pressure transmission part is hollow, and a synthetic chamber is formed in the middle of the high-performance composite pressure transmission part, and the synthetic chamber penetrates up and down;

[0052] The cross-section of the synthesis cavity is circular;

[0053] The high-performance composite pressure transmission component includes a cubic pressure transmission medium 2, and a sealing frame 1 sleeved outside the pressure transmission medium 2; the sealing frame 1 is a cubic frame structure, and each frame of the sealing frame 1 All are attached to the side wall of the pressure transmission medium 2;

[0054] The frame on the six sides of the sealing frame 1 is provided with a notch that is recessed toward the geometric center of the sealing frame 1, and the notch extends to each side of the pressure transmission medium 2, that is, the...

preparation Embodiment 1

[0060] A method for preparing the high-performance composite pressure transmission part described in Example 1, the specific steps are as follows:

[0061] 1) Magnetic separation: Put the yellow pyrophyllite powder used in the raw material of the pressure transmission medium 2 on a CFLJ12-Ⅲ type magnetic separator for magnetic separation, and select the raw materials whose magnetic properties are less than 3000 Gauss for later use;

[0062] 2) Mixing: Weigh the raw materials of the pressure transmission medium 2 and the sealing frame 1 respectively in proportion, and mix the materials of the pressure transmission medium 2 and the sealing frame 1 respectively on the horizontal ribbon mixer, and use clockwise Alternate counterclockwise operation, clockwise rotation speed is 45r / min, clockwise operation time is 5min, counterclockwise rotation speed is 40r / min, counterclockwise operation time is 3min, alternate interval standby time is 1min, The total mixing time is 40 minutes, an...

Embodiment 3

[0077] A high-performance composite pressure transmission component, the structure of the high-performance composite pressure transmission component in Example 3 is the same as that in Example 1, the difference lies in the composition and dosage of each component are different, specifically:

[0078] Groove depth is 3mm;

[0079] The pressure transmission medium 2 is composed of the following raw materials in percentage by weight: 49% of quartz powder, 23% of talc powder, 12% of magnesium oxide powder, 8% of aluminum oxide powder, 1% of samarium oxide powder, 1% of mica powder and Sodium silicate is 6%;

[0080] The sealing frame 1 is composed of the following raw materials in weight percentage: 94% of yellow pyrophyllite powder, 1% of iron oxide powder and 5% of sodium silicate.

[0081] The particle size of the quartz powder is 120 mesh, the particle size of the talc powder, magnesium oxide powder, aluminum oxide powder and samarium oxide powder is 200 mesh, and the mica po...

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Abstract

The invention belongs to the technical field of superhard material manufacturing, and particularly relates to a high-performance composite pressure transmission component and a preparation method thereof. The high-performance composite pressure transmitting component comprises a cubic pressure transmitting medium and a sealing square frame arranged outside the pressure transmitting medium in a sleeving mode. The sealing square frame is of a cubic frame structure, and each frame of the sealing square frame is attached to the side wall of the pressure transmitting medium. According to the present invention, the wear resistance test and the impact toughness test are performed on the polycrystalline diamond compact prepared by using the high-performance composite pressure transmission component, and the test results show that the wear resistance and the impact toughness of the polycrystalline diamond compact prepared by using the high-performance composite pressure transmission component are improved; it is shown that the polycrystalline diamond compact prepared by adopting the high-performance composite pressure transmission component has high mechanical performance and good thermal performance, and meanwhile the problem that the internal pressure cannot be effectively improved when an existing pyrophyllite pressure transmission component is used is solved.

Description

technical field [0001] The invention belongs to the technical field of superhard composite material synthesis, and in particular relates to a high-performance composite pressure transmission component and a preparation method thereof. Background technique [0002] Polycrystalline diamond composite sheet has the wear resistance and strength of diamond, as well as the toughness and weldability of cemented carbide matrix materials. It is an excellent cutting tool and wear-resistant material, widely used in machining tools, petroleum and geology Drill bits, grinding wheel dressing tools, etc. [0003] In the field of superhard material synthesis, pyrophyllite is so far the only pressure transmission component suitable for high temperature and high pressure synthesis of superhard materials. Since pyrophyllite is used as both a pressure transmission medium and a sealing medium under high temperature and high pressure conditions, when the synthesis pressure reaches the pyrophyllite...

Claims

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Application Information

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IPC IPC(8): B01J3/06
CPCB01J3/065
Inventor 张涛卢灿华朱培宋子衡
Owner ZHONGNAN DIAMOND CO LTD
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