First, there are several kinds of classified trash cans.
From June to 10, 2003, China promulgated regulations on domestic waste. According to the unified symbol formulated by the state, domestic waste is re-divided into five categories, corresponding to different trash cans.
1, red: red represents harmful substances, and orange is sometimes used for marking. Harmful substances include waste batteries, fluorescent tubes, paints, expired products, cosmetics, etc. , non-recyclable, has a certain pollution hazard.
2. Green: Green represents kitchen waste and can be used as fertilizer for plant nutrients. After being buried in soil, kitchen waste can be decomposed and absorbed by natural microorganisms and plants, which can play a role in recycling waste.
3. Blue: Blue represents recyclable garbage, including plastics, paper, metals and other valuable substances, which can be incorporated into the waste recycling system and then recycled.
4. Gray: Gray refers to garbage other than harmful substances and recyclable substances. For example, bricks, ceramics, muck and other wastes that are difficult to recycle are generally burned and buried.
5. Garbage bins represent medical waste and are generally only used in hospitals, health stations and other medical places.
Second, the classification of trash can quotation
The prices of trash cans with different brands, different materials and different capacities vary greatly. Now there are also smart trash cans on the market, and the prices range from tens to thousands.
How to choose a trash can?
1 and the selection skills of public trash can
Because public trash cans have to face various environments and special environments, they should be selected with high and low temperature resistance, sufficient mechanical strength and good impact toughness, and at the same time, they should be easy to clean and integrate with the environment.
2. Selection skills of household trash cans
Household trash cans are mainly used in bathrooms and kitchens, so it is best to choose a trash can with a cover, which can ensure the hygiene of the indoor environment. Moreover, garbage is put down every day, especially raw garbage, toilet garbage and summer garbage, which are easy to get moldy and smell.
3, medical trash can selection skills
Medical trash can is mainly used to store all kinds of solid objects and liquids discarded after clinical use, mainly blood, body fluids and secretions of patients, as well as a small amount of recyclable items. Medical waste needs to be disposed of in accordance with the Regulations on the Management of Medical Waste and the Measures for the Management of Medical Waste in Medical and Health Institutions.
Third, the role and significance of classified trash cans
1, reducing land occupation
Because there are many kinds of garbage produced in our daily life, some garbage can be degraded well, but there are also many garbage that are not easy to degrade. If it is managed in disorder, the land will be seriously eroded. Therefore, sorting garbage and removing recyclable and non-degradable substances can reduce the amount of garbage by more than 50%.
2. Reduce environmental pollution
Some waste batteries contain toxic substances such as mercury and cadmium, which will have a very serious impact on human beings. Waste plastics in the soil will also lead to crop yield reduction; Casual waste plastics are eaten by animals by mistake, which leads to the death of animals. Therefore, in order to avoid the above tragedy, garbage sorting can greatly reduce the pollution to the environment.
Step 3 turn waste into treasure
Some plastics, paper and metals are recyclable. For example, a ton of cans can be melted into a ton of good aluminum blocks and then put into the market. If discarded, it will cause great waste of resources, and garbage sorting can turn waste into treasure.
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