Household garbage treatment process
A technology for domestic waste and treatment process, which is applied in waste treatment, chemical instruments and methods, and solid waste removal. It can solve the problems of polluting the environment, wasting land, and polluting the environment with solid residues and ash, and achieves a high rate of compliance.
Inactive Publication Date: 2016-03-23
安徽中泰创展环境科技有限公司
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AI Technical Summary
Problems solved by technology
Most of the current domestic waste disposal is to take urban waste to the outskirts and bury it, which not only pollutes the environment but also wastes land
At present, some developed areas use waste incineration to generate electricity, but if the incineration of waste is not handled well, it will cause air pollution, and the solid residue and ash left after incineration will pollute the environment
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0016] A domestic waste treatment process, comprising the following steps:
[0017] (1) Pretreatment: pick out the dangerous goods in the domestic garbage, then sterilize the garbage, and dry the sterilized garbage to obtain a dry substance with a moisture content of 5-10%;
[0018] (2) incineration: the dry matter obtained in step (1) is sent into a garbage incinerator for incineration, and the incineration produces flue gas, ash and residue;
[0019] (3) Desulfurization and dust removal: the flue gas obtained in step (2) is first desulfurized by a desulfurization tower, and then dedusted by a cyclone dust collector;
[0020] (4) ash, residue treatment: the ash obtained in step (2) is buried after being processed, and the residue utilizes microorganisms to carry out composting treatment;
[0021] (5) adsorption and re-desulfurization: the dedusted flue gas in step (3) is adsorbed by activated carbon to eliminate impurities and some toxic gases, and the dedusted flue gas is d...
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The invention discloses a household garbage treatment process, comprising the steps of pretreatment, incineration, desulfurization, dust removal, dust and residue treatment, absorption, re-desulfurization, heat recovery and emission. Smoke generated by garbage incineration is desulfurized in two processes and is absorbed in a single process, so that the smoke discharge target rate is high; dust generated by incineration is treated by quicklime powder to prevent microorganisms in the dust from polluting the environment; residue is composted by using the microorganisms, so that obtained fertilizers can be used for agricultural production; the disinfection process in the pretreatment process prevents the corruption of garbage to generate poisonous gas; and smoke waste hear is recovered by using a gas-gas heat exchanger for drying in pretreatment, so that energy is saved efficiently.
Description
technical field [0001] The invention relates to the field of waste treatment technology, in particular to a domestic waste treatment technology. Background technique [0002] With economic development, people's living standards are getting higher and higher, and the amount of garbage generated is increasing. Most of the current domestic waste disposal is to dump urban waste into the outer suburbs for landfill disposal, which not only pollutes the environment but also wastes land. At present, some developed areas use waste incineration to generate electricity, but if the waste incineration is not handled properly, it will cause air pollution, and the solid residue and ash left after incineration will pollute the environment. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a domestic waste treatment process. The flue gas generated by waste incineration is subjected to two desulfurization treatments and one adsorption treatment, and the d...
Claims
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IPC IPC(8): B09B3/00B09B5/00
CPCB09B3/00B09B5/00B09B3/40Y02W30/20
Inventor 李峰李鹏程元星李让剑
Owner 安徽中泰创展环境科技有限公司