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Processing method for oil-water separation of kitchen garbage

A technology of kitchen waste and treatment method, which is applied in the fields of energy waste water treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. High efficiency, reduced operating costs, and low operating costs

Active Publication Date: 2013-01-09
BIOLAND ENVIRONMENTAL TECH GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the cost is too high, mainly in: garbage sorting (sorting out organic garbage), organic garbage crushing, forced stirring, heating and circulation ventilation, etc.
This treatment method has complicated process and high energy consumption; it needs many equipment and high investment
[0021] At present, there are mainly directions for the whereabouts of kitchen waste: one is to feed "swill pigs" without treatment as raw materials, harming human beings invisibly through the food chain; "Processed into "edible oil" re-flows into the market, which seriously harms the health of consumers and endangers food safety; third, it is directly discharged as garbage, which not only blocks urban sewer pipes, emits rancid smell, but also seriously pollutes water sources, causing great pressure on environmental sanitation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A method for separating oil and water from kitchen waste, characterized in that the processing method is used for real-time monitoring of the feeding and discharging of a garbage material storage separator, an oil-water separation tank and an oil-water product recovery device through the electronic display controller, and The oil-water separation treatment process of kitchen waste is completed in the following manner, and the treatment method specifically includes the following steps in sequence:

[0044] (1) Pretreatment step: add the kitchen waste oil-water mixed solution into the dehydration device to separate the solid phase and liquid phase of the kitchen waste, keep the temperature of the dehydration device at 65-75°C, and the dehydration time at 35-45 minutes , in order to remove more than 50% to 65% of the liquid-phase waste in the free state in the kitchen waste;

[0045] (2) Sedimentation centrifugal treatment step: the pretreated material in the above (1) is ...

Embodiment 2

[0050] A method for separating oil and water from kitchen waste, characterized in that the processing method is used for real-time monitoring of the feeding and discharging of a garbage material storage separator, an oil-water separation tank and an oil-water product recovery device through the electronic display controller, and The oil-water separation treatment process of kitchen waste is completed in the following manner, and the treatment method specifically includes the following steps in sequence:

[0051] (1) Pretreatment step: add the kitchen waste oil-water mixed solution into the dehydration device to separate the solid phase and liquid phase of the kitchen waste, keep the temperature of the dehydration device at 65-75°C, and the dehydration time at 35-45 minutes , in order to remove more than 50% to 65% of the liquid-phase waste in the free state in the kitchen waste;

[0052] (2) Sedimentation centrifugal treatment step: the pretreated material in the above (1) is ...

Embodiment 3

[0057] A method for separating oil and water from kitchen waste, characterized in that the processing method is used for real-time monitoring of the feeding and discharging of a garbage material storage separator, an oil-water separation tank and an oil-water product recovery device through the electronic display controller, and The oil-water separation treatment process of kitchen waste is completed in the following manner, and the treatment method specifically includes the following steps in sequence:

[0058] (1) Pretreatment step: add the kitchen waste oil-water mixed solution into the dehydration device to separate the solid phase and liquid phase of the kitchen waste, keep the temperature of the dehydration device at 65-75°C, and the dehydration time at 35-45 minutes , in order to remove more than 50% to 65% of the liquid-phase waste in the free state in the kitchen waste;

[0059] (2) Sedimentation centrifugal treatment step: the pretreated material in the above (1) is ...

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Abstract

The invention relates to a processing method for oil-water separation of kitchen garbage, which realizes the oil-water separation processing of kitchen garbage through the following steps in turn: a preprocessing step, a deposition and centrifugation processing step, a further filtration processing step, a deep-level filtration processing step, and a recovery processing step; not only the resource utilization of kitchen garbage is realized with safety and high efficiency, but also harmless processing is realized; the harm of swill is stopped from its source, and the problem of resource shortage of our country is also relieved.

Description

technical field [0001] The invention belongs to the technical field of waste treatment engineering, and relates to a method for processing kitchen waste, in particular to a method for separating oil and water for kitchen waste. Background technique [0002] With the continuous development of my country's economy and the continuous improvement of people's living standards, the catering industry in various cities has also entered a stage of rapid development. life and health are seriously endangered. [0003] Food waste, commonly known as "swill", is the after-dinner residue of catering enterprises and households such as hotels, restaurants and canteens. It mainly includes rice and flour food residues, vegetables, vegetable oil, animal oil, meat and bones, fish bones, etc., animal and vegetable oils. and other organic substances rich in biomass energy. Food waste is a potential resource that has been neglected for a long time and has caused many social problems due to imprope...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
CPCY02W10/33
Inventor 乔如林施军营黄泽军王亚峰田倩王飞
Owner BIOLAND ENVIRONMENTAL TECH GRP CORP