Treatment method and treatment system of food wastes

The technology of a kitchen waste and a treatment method is applied in the field of a kitchen waste treatment method and a treatment system thereof, which can solve the problems of easy breeding of bacteria, mosquitoes, beetles, blockage of the urban sewer system, and failure to recycle and use them, and achieves suppression of The effect of re-breeding, preventing water loss, and enhancing plant resistance

Inactive Publication Date: 2011-01-26
广州万吉生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this kind of kitchen waste, it is generally put into garbage bags and thrown away directly. In the urban waste treatment system, landfill and incineration are often used for disposal, which not only pollutes the environment, but also cannot be recycled.
There are also households or restaurants to install garbage disposers, which are generally connected to the water outlet of the

Method used

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  • Treatment method and treatment system of food wastes
  • Treatment method and treatment system of food wastes
  • Treatment method and treatment system of food wastes

Examples

Experimental program
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Embodiment 1

[0033] refer to figure 1 As shown, the present invention provides a kind of kitchen waste processing method, and it comprises the following steps:

[0034] Step 1) Sorting and screening: classify the collected kitchen waste according to organic matter and inorganic matter, recycle the inorganic matter, and wait for the organic matter to be processed;

[0035] Step 2) crushing: crushing the separated organic matter to obtain a mixture of organic waste particles with uniform particle size;

[0036] Step 3) Fermentation treatment: add a starter to the crushed garbage particle mixture, perform the first fermentation treatment, and obtain a fermented product;

[0037] Step 4) Grease Separation: Use a grease separator to separate the grease substances in the fermented product to obtain grease and deoiled fermented product. The separated grease can be reused for the production of biodiesel, cleaning soap, feed additives or hard Fatty acid and other uses;

[0038] Step 5) dry-wet s...

Embodiment 2

[0052] Such as figure 2 Shown is the flow chart of the kitchen waste treatment method of another preferred embodiment of the present invention:

[0053] (1) Use a special collection vehicle for food waste to send the food waste to the treatment plant;

[0054] (2) Use a vibrating sieve to separate the organic matter and inorganic matter in the kitchen waste. The inorganic matter (such as mixed waste paper, waste plastic, etc.) will be screened out and enter the recycling stage; the separated organic matter will enter the next step;

[0055] (3) The organic matter is sent to the crusher on the conveyor belt, and the relatively large organic matter (such as animal bones, inedible parts of fruits, inedible parts of vegetables, etc.) is crushed to make the particle size of kitchen waste uniform , which is conducive to the carrying out of the first fermentation in the next step;

[0056] (4) After the organic matter is fully crushed, it enters the high-temperature fermentation s...

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Abstract

A treatment method of food wastes comprises the following steps: (1) sorting: classifying the collected food wastes according to organic matters and inorganic matters, wherein the inorganic matters are to be treat; (2) crushing: crushing the separated inorganic matters to obtain waste mixed particles with the uniform particle size; (3) performing fermentation treatment: adding culture starter in the crushed waste mixed particles, performing the first fermentation treatment to obtain a fermentation product; (4) perform fat separation: separating fat type materials from the fermentation solution, removing through filtration; (5) performing dry separation: performing dry separation to the fermentation product to obtain solid organic matters and liquid organic matters; (6) precipitating: precipitating the liquid organic matters to remove; and (7) preparing fertilizer: respectively using the solid organic matters and the liquid organic matters to prepare solid fertilizer and liquid fertilizer. By using the treatment method of the invention, the food wastes can be treated to prepare fertilizers, thus nutrients can be reused and the method is more environmentally friendly.

Description

technical field [0001] The invention relates to the field of waste recovery and treatment, and relates to a kitchen waste treatment method and a treatment system thereof. Background technique [0002] Food waste includes leftover food residues, melon peels, and fruit scraps left over from eating every day; vegetables, leftovers, leftover bones, etc. after choosing vegetables, washing vegetables, and washing dishes. For this kind of kitchen waste, it is generally put into garbage bags and thrown away directly. In the urban waste treatment system, most of them are disposed of by landfill and incineration, which not only pollutes the environment, but also cannot be recycled. There are also households or restaurants to install garbage disposers, which are generally connected to the water outlet of the pool. The garbage flushed from the pool enters the garbage disposer. The treatment method is likely to cause blockage of the urban sewer system, and it is also easy to breed bacte...

Claims

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Application Information

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IPC IPC(8): C05F9/04C05F9/02
CPCY02A40/20
Inventor 曾志文
Owner 广州万吉生物科技有限公司
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