Production process and production line for preparing macromolecule resin composite solid powder through oil paint slag
A technology of polymer resin and paint waste, which is applied to the removal of solid waste, etc., can solve the problems of difficult recycling and large state differences, and achieve the effect of controllable product quality and high production efficiency
Active Publication Date: 2017-11-03
泰安乐邦环保科技有限公司 +1
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Problems solved by technology
But generally speaking, due to the variety of paint waste residues, the state difference during recycling is large, and it is extremely difficult to recycle a large number of them. In particular, there are no relevant reports on the production process and production line that form a fully enclosed continuous automatic treatment.
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[0041] The embodiment of the present invention provides a production process and production line for preparing polymer resin composite solid powder from paint waste,
[0042] S1, classify the paint waste, and separate the large pieces of paint residue with the largest external dimension greater than 30cm or equivalent in volume from the paint waste;
[0043] S2, evenly distributing the paint waste from which large paint residues have been removed in S1 to the filter press system;
[0044] S3, press-filtering the paint waste residue after finishing the cloth in S2; obtain waste water and drained paint waste residue after the pressure filtration;
[0045] S4, crushing the large pieces of paint slag classified in S1 and the drained paint waste obtained in S3;
[0046] S5, drying the paint waste after S4 is crushed;
[0047] S6, superfinely pulverize the paint waste after drying in S5, and collect the fineness from 50 mesh to 1000 mesh after superfine pulverization;
[0048] S7...
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Abstract
The invention discloses a production process and a production line for preparing macromolecule resin composite solid powder through oil paint slag. According to the technical scheme, the paint slag is preliminarily classified, then paint slag chunks directly enter a crushing system, paint slag and liquid mixtures are distributed, subjected to filter pressing and then put into the crushing system, after crushed materials are subjected to flash evaporation dehydration, the crushed materials are subjected to ultrafine grinding, and the whole process is carried out in a closed hood. The production process and the production line have the advantages that the production line can realize harmless, continuous and automatic operation treatment of oil paint slag recycling, waste water generated in the operation process is circularly used, generated exhaust gas is recovered, no secondary pollution such as waste water, exhaust gas and dust is generated, process conditions and product quality are controllable, and production efficiency is high.
Description
technical field [0001] The invention relates to the technical field of waste material reproduction and utilization, in particular to a production process for preparing solid powder from paint waste residue. Background technique [0002] Painting is an important production process in the manufacturing process of mechanical and electrical products. Different painting methods have different paint utilization rates. Generally, 20%-50% of the paint turns into paint waste. Waste paint slag is a hazardous solid waste recognized by the state. According to incomplete statistics, the paint waste produced in my country reaches several million tons every year, causing serious economic burdens to enterprises and posing serious environmental risks. [0003] The composition of paint waste residue is similar to that of the original paint, but after flocculation and precipitation, the performance changes greatly, and it contains a lot of water, so it is difficult to recycle. The currently ...
Claims
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Login to View More IPC IPC(8): B09B3/00B09B5/00
CPCB09B3/00B09B5/00
Inventor 冯立明和法起孙吉涛刘峰
Owner 泰安乐邦环保科技有限公司