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Smelting device and smelting method for electronic scraps

A technology of electronic waste and smelting equipment, applied in the direction of improving process efficiency, etc., can solve problems such as environmental pollution, overall backward technology, and low level of chemical method equipment, and achieve the effects of improving smelting efficiency, saving fuel, and reducing emissions

Active Publication Date: 2017-07-07
CHINA NERIN ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both of the existing methods have defects, for example, the physical method has limited opening of organic matter, the chemical method has low level of equipment, generally backward technology, and serious environmental pollution

Method used

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  • Smelting device and smelting method for electronic scraps

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Embodiment Construction

[0030] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0031] The electronic waste smelting device 100 according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] refer to figure 1 As shown, the electronic scrap smelting device 100 according to the embodiment of the present invention may include a furnace body 10 , a furnace roof 20 , a secondary combustion chamber 30 and a spray gun 40 .

[0033] A furnace 11 may be defined inside the furnace body 10, and the furnace 11 may have an open upper end, that is, the upper end of the furnace 11 is open. The furnace 11 may include a gas phase zone 111 and a reaction zone 112 , and the gas pha...

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Abstract

The invention discloses a smelting device and a smelting method for electronic scraps. The smelting device comprises a furnace body, a furnace top, a secondary combustion chamber and a spray gun, wherein a furnace hearth is defined in the furnace body; the furnace hearth is provided with an upper-end opening, and comprises a reaction region and a gas-phase region; a discharge hole is formed in the furnace body; the furnace top is connected with the furnace body and covers a part of the upper-end opening of the furnace hearth; a charge hole, a spray gun hole and a primary burner nozzle hole are formed in the furnace top; a secondary combustion chamber is defined in the secondary combustion chamber; a secondary burner nozzle hole is formed in the secondary combustion chamber; the secondary combustion chamber covers the other part of the upper-end opening, and the secondary combustion cavity communicates with the furnace hearth; a flue is arranged on the secondary combustion chamber, and the secondary combustion chamber is positioned at one side of a center line of the furnace hearth; and the spray gun is arranged in the spray gun hole in a penetrating mode, and the lower end of the spray gun extends into the reaction region. According to the embodiment of the invention, the smelting device for the electronic scraps can save fuels, improves smelting efficiency, and reduces emission of harmful gases.

Description

technical field [0001] The invention relates to the technical fields of non-ferrous metal smelting, hazardous waste treatment and resource recycling, in particular to an electronic waste smelting device and an electronic waste smelting method. Background technique [0002] Among the related technologies, the resource recycling technologies of discarded printed circuit boards, deflection coils, electronic components and other electronic waste in China are divided into two categories: one is physical technology such as dismantling, crushing, and sorting based on physical methods; Chemical techniques such as incineration, smelting, and acid dissolution are mainly chemical methods. Both of the existing methods have defects, for example, the physical method has limited opening of organic matter, the chemical method has low level of equipment, generally backward technology, and serious environmental pollution. [0003] With the needs of resources, environment and sustainable deve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B7/00
CPCC22B7/001Y02P10/20
Inventor 王红军叶逢春孙来胜丁鹏杨慧兰黄文华张生忠彭天照邓敏隶何峰
Owner CHINA NERIN ENG
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