Microorganism cleaning method for waste plastic
A technology for microorganisms and waste plastics, applied in cleaning methods and utensils, chemical instruments and methods, etc., can solve problems such as water pollution, affecting the grade of waste plastic recycling, and large cleaning workload, so as to improve the use level and save labor. , good cleaning effect
Inactive Publication Date: 2013-12-25
杨永妹
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Problems solved by technology
Existing cleaning methods for waste plastic items need to consume acid and alkali substances and a large amount of water. Although waste plastics are recycled, they also bring a lot of water pollution. Moreover, this traditional cleaning method for waste plastic items requires a lot of cleaning work. Large, the dead corners in plastic containers are difficult to clean, which affects the level of recycling of waste plastics
Method used
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Experimental program
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Effect test
Embodiment Construction
[0017] The technical solutions of the present invention will be described in further detail below in conjunction with specific embodiments, but the present embodiments are not intended to limit the present invention, and all similar structures and similar changes of the present invention should be included in the protection scope of the present invention.
[0018] A microbial cleaning method for waste plastics provided by the embodiment of the present invention is characterized in that the specific steps are as follows:
[0019] 1) Use a pulverizer to cut and pulverize the waste plastic products into plastic particles with a particle size of 1±0.2 cm;
[0020] 2) Put the plastic particles obtained after the treatment in step 1 into the sand settling tank with clean water and stir, and use the water flow to wash the plastic particles, so that the inorganic impurities attached to the plastic particles are separated from the plastic particles;
[0021] The main components of conv...
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The invention provides a microorganism cleaning method for waste plastic, which relates to the technical field of water utilization and solves the technical problem for increasing the cleaning effect. The microorganism cleaning method is characterized by smashing a waste plastic product into plastic particles, feeding the plastic particles into a sand basin for washing out inorganic impurities attached to the plastic particles, feeding the plastic particles into a hydrolysis acidification basin for carrying out anoxia biochemical reaction, and then feeding the plastic particles into an aeration basin for carrying out oxygenolysis on organic impurities attached to the plastic particles; then feeding the plastic particles into a stirring basin, and peeling organic impurity biological membranes grown on the surfaces of the plastic particles off; then feeding the plastic particles into a horizontal sedimentation basin for being rinsed, and obtaining cleaned plastic particles after being rinsed by clear water, filtered and dewatered. The microorganism cleaning method provided by the invention is suitable for cleaning the waste plastic of which the specific gravity is less than that of water.
Description
technical field [0001] The present invention relates to the technology of waste utilization, in particular to the technology of a microbial cleaning method of waste plastics. Background technique [0002] Daily use of plastic bottles, plastic buckets and other discarded plastic items are good renewable resources. Before recycling waste plastic items, it is necessary to clean off the impurities attached to the surface. At present, the cleaning method of waste plastic items is: first wash with chemical solvent or acid and alkali, then rinse with a large amount of water, and then pulverize the waste plastic items. Granulation recycling. Existing cleaning methods for waste plastic items need to consume acid and alkali substances and use a lot of water. Although waste plastics are recycled, it also brings a lot of water pollution, and this traditional cleaning method for waste plastic items requires a lot of cleaning work. Large, the dead corners in the plastic container are di...
Claims
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IPC IPC(8): B08B7/04
Inventor 杨永妹
Owner 杨永妹