Waste filter bag cleaning and recycling device and method

A technology of recycling equipment and recycling methods, which is applied in the direction of plastic recycling and recycling technology, can solve the problems that affect the recycling of polytetrafluoroethylene filter bags, and the surface stains cannot be cleaned thoroughly, so as to prolong the storage time and reduce the price. Effect
CN110696223AInactive Publication Date: 2020-01-17ANHUI UNIVERSITY OF TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ANHUI UNIVERSITY OF TECHNOLOGY
Publication Date
2020-01-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a waste filter bag cleaning and recycling device and method, and belongs to the technical field of material recovery. According to the method, a waste polytetrafluoroethylene microporous membrane filter bag is subjected to processes of pre-cleaning, surface active agent cleaning, acid pickling, classification, heating quenching and mechanical crushing, the waste filter bagis cleaned, the problem of incomplete cleaning of the waste filter bags in the prior art is solved, when a surface active agent is used for cleaning, the the cleaning device conveys the waste filter bags through a conveying belt to sequentially pass through a feeding area, a cleaning area, a spraying area, a drying area and a discharging area, the device uses high pressure to remove dust and organic stains on the surfaces of the waste filter bags through the arranged water supply dry pipes, water supply branch pipes and nozzles in the cleaning area and the spraying area, and the waste filter bags are dried in the drying area through hot air and repeatedly cleaned for several times, so that dust and organic matters on the surfaces of the filter bags can be completely removed. According to the device and the method, the waste filter bags are thorough in cleaning, so that the polytetrafluoroethylene particles are high in recovery purity.
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Description

technical field

[0001] The invention relates to the technical field of material recycling, and more specifically, to a cleaning and recycling device and method for waste filter bags. Background technique

[0002] Smoke and dust emissions from waste incineration plants, coal-fired power plants, and iron and steel production are major sources of air pollution. The bag filter has the characteristics of high dust removal efficiency, wide range of processing air volume, insensitivity to dust characteristics, and can operate in high temperature environments. It has a wide range of fields such as boiler dust removal in coal-fired power plants, dust removal in mining industries, and waste incineration tail gas purification. application.

[0003] At present, the raw materials of the filter bag in the bag filter mainly include polyphenylene sulfide (PPS), polytetrafluoroethylene (PTFE), polyimide (PI) and glass fiber. Among them, polytetrafluoroethylene (PTFE), commonly known as the...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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