Coprocessing method of catering garbage and kitchen garbage

A technology for kitchen waste and catering waste, which is applied in the field of collaborative processing of catering waste and kitchen waste, can solve the problems of high energy consumption and low resource utilization, and achieve the effect of resource utilization, energy saving and consumption reduction

Inactive Publication Date: 2019-10-18
WUXI MUNICIPAL DESIGN INST
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Problems solved by technology

[0005] The invention provides a method for synergistic treatment of catering waste and kitchen waste to solve the problems of high energy consumption and low resource utilization in the traditional treatment methods of catering waste and kitchen waste in the prior art

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  • Coprocessing method of catering garbage and kitchen garbage

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Embodiment Construction

[0034] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] Such as figure 1 As shown, the present invention provides a method for synergistic processing of catering waste and kitchen waste, the steps of which include: pretreatment of catering waste, pretreatment of kitchen waste, and coordinated anaerobic digestion treatment of high-temperature / medium-temperature automatic switching.

[0036] (1) Pretreatment of food waste:

[0037] ①Material reception: Catering waste enters the factory through the automatic control system to monitor the weighbridge, and then enters the unloading hall after weighing, swiping the card, and recording, and the food waste is poured into the hopper of the designated receiving device. The material is transported to the large material sorter through the conveyor...

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Abstract

The invention provides a coprocessing method of catering garbage and kitchen garbage. The coprocessing method comprises the steps of (1) pretreating catering garbage, and performing large substance sorting, fine separation pulping, desanding and deslagging, and performing damp and hot hydrolyzing fat extraction, so as to prepare organic pulp; (2) pretreating kitchen garbage, and performing crude shredding, bouncing and sieving, magnetic separation, biomass separation breaking and conditioning and desanding to obtain organic pulp; and (3) when the catering garbage is not subjected to damp and hot hydrolyzing fat extraction, performing medium-temperature anaerobic treatment in a system, and when the catering garbage is subjected to damp and hot hydrolyzing fat extraction, performing high temperature anaerobic treatment. Compared with the prior art, the catering garbage and the kitchen garbage are pretreated and then subjected to coordination anaerobic treatment; and the catering garbageenters an oil extraction system or surpasses the oil extraction system according to the feeding nature, so that the feeding temperature of the anaerobic system is decided, and medium-temperature anaerobic treatment or high-temperature anaerobic treatment is further selected, and the purpose of resource utilization to the maximum extent and being energy-saving and cost-reducing is achieved.

Description

technical field [0001] The invention relates to a method for processing catering waste and kitchen waste, in particular to a method for synergistic treatment of catering waste and kitchen waste. Background technique [0002] Catering waste mainly refers to food leftovers from restaurants, restaurants, unit canteens, etc., as well as processing waste such as fruits and vegetables, meat, oil, pastry, etc. in the back kitchen, which generate a large amount and are relatively concentrated; kitchen waste is mainly discarded in daily life Fruits and vegetables and food scraps, leftovers, melon and fruit peels and other perishable organic wastes are small and scattered. At present, the treatment methods of organic waste mainly include anaerobic digestion process, aerobic biological treatment process and feed process. Since the biogas generated by anaerobic digestion process can be used as resources, it has become the mainstream process of organic waste treatment. [0003] Since th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P5/02
CPCC12P5/023Y02E50/30
Inventor 靖丹枫蒋岚岚耿震李雄伟
Owner WUXI MUNICIPAL DESIGN INST
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