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Fine resource recycling method for waste in vegetable market in city

A kind of waste and fine-grained technology, which is applied in the field of refined resource recycling of waste from urban vegetable farms, can solve the problems of not considering the recycling of plant protein, low efficiency of resource utilization of residues, and not considering the separate generation of residues, etc. problems, to achieve the effect of increasing visual appeal and palatability, maintaining consistent taste, and reducing the formation of uric acid

Inactive Publication Date: 2015-06-03
SHANGHAI FOODWASTE TREATMENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above-mentioned process methods are the inherent methods of the waste treatment industry for a long time. They hardly consider the recycling of vegetable protein, nor do they consider that the plant and animal residues in urban vegetable farms are produced separately and are often mixed before being collected and transported. The resource utilization benefit of the mixed residue is very low

Method used

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  • Fine resource recycling method for waste in vegetable market in city

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Take 500 kg of vegetable residues from the vegetable farm residues, pour them into the conveyor belt, and spray them with clean water to clean them.

[0038] High-pressure and high-temperature treatment equipment is used. During processing, the heating temperature of the blanching water is 60°C to 90°C, and the normal pressure is maintained. The feeding diameter of the equipment used is greater than 150mm; when the vegetable residue is blanched, water is added as the weight of the material 100 kg, the blanching time is 30 minutes; the vegetable residue is subjected to the pressure generated by the temperature increase, and the contained moisture is precipitated, and the moisture is discharged, so that the moisture content drops from the original 90% or above to 50%-60%. Get about 300kg of vegetable residue after blanching. The vegetable residue after blanching basically retains the original color.

[0039] The vegetable residue after blanching is put into a tunnel type...

Embodiment 2

[0044] Take 500 kg of animal residues from the vegetable farm residues, pour them into the conveyor belt, and spray them with clean water to clean them.

[0045] Using high-pressure and high-temperature treatment equipment, the animal residues in the vegetable farm residues are separately subjected to high-temperature blanching (water temperature is 60°C to 90°C) for 30 minutes to remove bloody water and floating foam, and drain water; then carry out high-pressure high-temperature Cook for 1 hour and 30 minutes to make the water content reach 39%. Get about 350kg of animal residues. Wherein, the cooking temperature is 80°C-110°C, and the pressure is 0.1MPa-0.3MPa. Moisture vaporizes during high-pressure high-temperature cooking.

[0046] After the above-mentioned treatment, put the animal residues into a tunnel dryer for further drying and sterilization, and the rated frequency of the microwave is 2450MHZ. Among them, the microwave temperature is controlled at 60°C-120°C, a...

Embodiment 3

[0051] Obtain vegetable protein feed made from vegetable residues according to Example 1, and feed the rabbits with fresh vegetable leaves for 3 months. Within 3 months, the rabbits eat actively, grow normally, and are healthy without adverse reactions.

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Abstract

The invention provides a fine resource recycling method for waste in a vegetable market in a city. Plant leftovers and animal leftovers in the vegetable market are respectively collected, and are respectively subjected to leaching, blanching, microwave sterilizing and drying, crushing and other processes. Obtained products can be respectively used as plant protein feeds and animal protein feeds, and can also be used mixed protein feed raw materials or organic fertilizer raw materials after being mixed, and waste water generated by treating the animal leftovers can also be used for preparing organic fertilizers. According to the fine resource recycling method, original nutrient substances of the leftovers in the vegetable market can be recycled, and thus the leftovers in the vegetable market, which are difficult to treat in the past, are recycled; meanwhile, the treatment cost is relatively low, and a recycled product is high in additional value. The fine resource recycling method is easy to actually operate and wide in application range.

Description

technical field [0001] The invention relates to a recycling method for urban waste resources, in particular to a refined resource recycling method for urban vegetable farm waste. Background technique [0002] At present, domestic and foreign countries have opened up technology research and development on the treatment of waste from urban vegetable farms. The main methods are as follows: [0003] One is to press to remove the water of vegetable residues before landfilling; to remove water by pressing, reduce the volume and weight, make it easy to transport, and then landfill; the pressing process requires a lot of machinery, space and energy consumption , and landfill will produce odor, and the cost of deodorization is relatively high. [0004] The other is composting. Usually, pressing is performed first to remove moisture from vegetable residues, and then composting is performed. Again, a lot of machinery, space and energy is used. [0005] The other is direct composting...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09B3/00B09B5/00C05F9/00A23K1/14A23K1/10
CPCY02P60/87Y02A40/20
Inventor 张平王韵华金璟张一泓
Owner SHANGHAI FOODWASTE TREATMENT TECH