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Cooperative treatment and application of emulsification waste liquid sludge and waste and old circuit board nonmetallic powder

A waste circuit board and collaborative processing technology, applied in waste treatment, solid waste removal, waste fuel and other directions, can solve the problems of pollution, energy waste, limited consumption, etc., to achieve low energy consumption, low processing cost, high environmental protection benefits Effect

Inactive Publication Date: 2014-11-05
HUNAN VARY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Metals can be recycled, but non-metals are usually used as waterproof membranes and fillers for composite materials, but the amount is limited, and a large amount is discarded. In some areas, it has caused serious pollution and is also a waste of energy.

Method used

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  • Cooperative treatment and application of emulsification waste liquid sludge and waste and old circuit board nonmetallic powder

Examples

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Effect test

Embodiment Construction

[0022] Such as figure 1 As shown, the first embodiment of the present invention provides a collaborative treatment of emulsified waste liquid sludge and non-metallic powder of waste circuit boards. Taking waste printed circuit boards as an example, it specifically includes the following steps:

[0023] S1: Place the emulsified waste liquid sludge in an environment of 100 ゜C, and dry it for 3 hours under the condition of continuous stirring, until the moisture content drops below 20%, to obtain the first ingredient. It should be noted that the emulsified waste liquid The sludge should not be too dry, and the emulsified waste liquid sludge after drying still has a certain fluidity, which is beneficial to the subsequent material mixing operation;

[0024] S2: performing metal sorting after crushing the dried waste printed circuit boards, removing metals, and obtaining non-metallic broken objects;

[0025] S3: Sieve the non-metallic fragments after metal removal, and remove the l...

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Abstract

The invention discloses cooperative treatment of emulsification waste liquid sludge and waste and old circuit board nonmetallic powder. The treatment comprises the following steps: drying the emulsification waste sludge to obtain a first ingredient; sieving the waste and old circuit board nonmetallic powder to remove part of the long fiber to obtain a second ingredients; mixing the first and second ingredients according to a certain proportion to obtain a mixture; and pressing the mixture to obtain a derived fuel. The cooperative treatment of two wastes with high pollution and difficult to separate molding can produce derived fuel of resource utilization type, so as to achieve the purpose of hazardous waste disposal as well as recycle heat energy; due to the complementary characteristics of the emulsification waste liquid sludge and waste and old circuit board nonmetallic powder, binder and heating are not required for the molding of derived fuel, and the molding can be realized only by pressure. Therefore, the treatment method has low energy consumption and high environmental protection benefit. The invention also provides the application of the emulsification waste liquid sludge and waste and old circuit board.

Description

technical field [0001] The invention relates to the field of waste recycling, in particular to a coordinated treatment and application of emulsified waste liquid sludge and non-metallic powder of waste circuit boards. Background technique [0002] Emulsified waste liquid mainly includes waste soap liquid, emulsified oil, mixture of hydrocarbon and water, emulsion (paste), coolant, lubricant, wire drawing agent, etc., which are hazardous wastes. After the emulsified waste liquid undergoes demulsification, flocculation, anaerobic and aerobic reactions, it is filtered for solid-liquid separation, and the liquid can be discharged up to the standard after further treatment, and the sludge is still a hazardous waste that needs to be treated. Because the emulsified waste liquid is relatively scattered, the harm of a small amount of discharge has not been highlighted, and the laws and regulations are not perfect, people's indifference to environmental protection and unwillingness to...

Claims

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Application Information

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IPC IPC(8): B09B3/00C10L5/48
CPCY02E50/30Y02W30/20Y02W30/82
Inventor 明果英张长安
Owner HUNAN VARY TECH
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