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Diamond recovery reaction accelerator and use method thereof

A diamond and accelerator technology is applied in the field of reaction accelerators for diamond recovery, which can solve the problems of slowing down the reaction speed and being difficult to fall off, and achieves the effects of simple production, remarkable effect and convenient use.

Inactive Publication Date: 2017-07-07
曾舟华
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  • Abstract
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Problems solved by technology

[0005] Currently, aqua regia or nitric acid is used to dissolve the metal binder in diamond waste products, and the recovery method of diamond particles obtained by filtration is to spread the diamond waste products on the sieve plate at the bottom of the reaction kettle. There are inert substances on the surface of diamond waste products that are difficult to fall off and produced during the corrosion reaction. The copper mud and unreacted diamond waste are bonded together, which slows down the reaction speed and even terminates the problem

Method used

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  • Diamond recovery reaction accelerator and use method thereof

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Such as figure 1 Shown, a kind of reaction accelerator of diamond recovery is made up of guide tube 4 and sieve plate 5, and the tube wall of one end of guide tube 4 is drilled the small hole that does not leak diamond, and one end of guide tube borehole is placed downwards On the sieve plate 5, the sieve plate 5 is also drilled full of small holes that do not leak diamond waste products.

[0022] When implementing the present invention, operate as fol...

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Abstract

The invention discloses a diamond recovery reaction accelerator and a use method of the reaction accelerator. The reaction accelerator has the technical characteristics that a guide tube is used to generate intensive natural convection at the early stage of a reaction; air-liquid mixed fluid flows up rapidly and continuously to wash away inert matters from the surface of a diamond waste; the corrosion reaction speed is greatly increased; the weaker natural convection is generated at the later stage of the reaction; the sedimentation of copper sludge is slowed; and the reaction speed is also increased. The device is simple to manufacture, low in cost, convenient to use and significant in effect.

Description

[0001] 1. Technical field [0002] The invention belongs to the field of chemical industry and environmental protection, and in particular relates to a reaction accelerator for diamond recovery and a use method thereof. [0003] 2. Background technology [0004] Diamond is a mineral composed of pure carbon and the hardest substance found in nature. Diamond tools refer to tool products that use a binder to consolidate diamond (generally referred to as artificial diamond) into a certain shape, structure, and size, and use it for processing. my country is a big country in the production and use of diamonds and diamond tools. It consumes a large amount of diamonds every year and produces a large amount of diamond waste products. In addition to expensive diamond particles, diamond waste products also contain some substances with high recycling value (such as tungsten carbide, copper, cobalt, nickel, etc.). Therefore, the recycling of diamond waste is very meaningful. [0005] Cur...

Claims

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Application Information

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IPC IPC(8): C01B32/28
Inventor 曾舟华曾昆黄林勇杨水彬
Owner 曾舟华
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