Kitchen waste treatment and resource utilization method

Abstract

The invention belongs to the technical field of garbage recycling, and particularly relates to a kitchen waste treatment and resource utilization method, which comprises the following steps: step 1, collecting and sorting: a worker collects kitchen waste through a garbage truck and conveys the kitchen waste to a garbage treatment plant, then the collected garbage is manually sorted and mechanically sorted, unrecyclable garbage is separated from recyclable garbage during sorting, and sanitary landfill treatment is carried out on the unrecyclable garbage after separation; and step 2, primary disinfection and drying are carried out, the recyclable garbage is injected into a disinfection tank, a disinfectant is heated, positive steam is atomized and injected into the disinfection tank to carry out primary disinfection on the garbage, the garbage is dried in a dryer after being disinfected for 8-10 minutes, and moisture in the garbage is reduced. According to the kitchen waste treatment and resource utilization method provided by the invention, through the arrangement of an extrusion dehydrator, oil and water in the garbage can be extruded and separated, and the situation that oil and water are mixed in the garbage to affect later resource utilization is avoided.

Description

technical field

[0001] The invention belongs to the technical field of waste resource utilization, and in particular relates to a method for processing and resource utilization of kitchen waste. Background technique

[0002] With the development of social economy and the improvement of people's living standards, food waste has increasingly become the focus of social attention. According to incomplete statistics, the annual production of food waste in my country exceeds 60 million tons, and food waste is rich in organic matter and nutrients. , high moisture content, perishable, easy to produce odor and sewage, etc., if not disposed of in time, will have a serious impact on the surrounding environmental sanitation.

[0003] For example, a method for food waste treatment and resource utilization disclosed in a Chinese patent, publication number: CN110157747B, publication date: 20200925, although the resource utilization is realized by fermenting food waste into fertilizer, the b...