Refuse incineration plant percolate treatment system
A treatment system and waste incineration technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve secondary pollution of chemical agents, imbalance of nutrient ratio, and difficult treatment of concentrated liquid to avoid sludge loss, reduce the amount of concentrated liquid, and occupy a small area
Active Publication Date: 2013-01-09
浙江博世华环保科技有限公司
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Problems solved by technology
[0010] (4) Nutritional ratio imbalance
Therefore, the traditional biochemical treatment process is prone to the problem of difficulty in the treatment of concentrated liquid and secondary pollution of chemical agents
Method used
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[0074] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0075] This embodiment mainly has the following 10 processing units, summarized as follows:
[0076] 1. Grille / grit chamber
[0077] After the landfill leachate is collected through the pipeline, it enters the coarse and fine screens and the grit chamber to remove the larger suspended matter, floating matter, fiber matter and other larger solid particle matter, and the separated matter enters the sand-water separator. Sedimentation of mud and sand.
[0078] 2. Conditioning pool
[0079] The leachate flows into the regulating tank after sand settling for regulation. In this embodiment, the main functions of the regulating pool are: ①, to adjust the water volume and uniform water quality, and reduce the impact load on the subsequent treatment system; ②, to have a certain hydrolysis and acidification effect. The regulating tank moves excess l...
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Abstract
The invention discloses a refuse incineration plant percolate treatment system, which comprises a coagulating sedimentation device, a biochemical device, a settling pond and a sludge concentration pond which are connected in series in turn, wherein the coagulating sedimentation device comprises a grid / grit chamber, a regulation pond and a reaction sedimentation pond, which are connected in turn in series; the biochemical device comprises an intermediate water pool, an upflow anaerobic sludge blanket (UASB) reactor, a secondary anacrobic / oxic (A / O) pond, a membrane bioreactor (MBR), a Fenton-electrochemical reactor and an aeration biological fluidized tank (ABFT), which are connected in series in turn; and the sludge in the reaction sedimentation pond, the UASB reactor, the MBR, the Fenton-electrochemical reactor and the settling pond is conveyed to the concentration pond. In the invention, the combined operation of the coagulating sedimentation pond, the UASB reactor, the secondary A / O pond, the MBR, the Fenton-electrochemical reactor and the ABFT is adopted, the ammonia nitrogen and organic matters in the percolate can be removed effectively, the amount of the concentrated liquidis reduced, the service life of the system is prolonged and the operation cost of the system is reduced.
Description
technical field [0001] The invention relates to a garbage leachate treatment system, in particular to a garbage incineration plant leachate treatment system. Background technique [0002] Leachate is the sewage leached out of the garbage due to the decay, deterioration and fermentation of organic matter of animals and plants. It usually has a foul smell, and its main component is NH 3 -N, BOD, COD Cr , SS, Cl - and other filth. The leachate produced by the incineration process of garbage mainly refers to the water contained in the garbage itself that is squeezed out during the process of stacking the garbage in the storage pit, and the water generated by the local anaerobic fermentation of the organic components in the garbage in the storage pit. A high-concentration organic wastewater with complex components is formed. In addition, during the rainy season or after a long period of continuous heavy rain, the garbage is washed by rainwater during transportation, and a lar...
Claims
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IPC IPC(8): C02F9/14
Inventor 陈昆柏况武田伟莉金祥福高全喜
Owner 浙江博世华环保科技有限公司