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Animal waste treatment method

A processing method and animal technology, applied in grain processing and other directions, can solve problems such as major secondary pollution and odorous land resources, and achieve the effects of ensuring production safety, avoiding secondary pollution and improving production safety.

Inactive Publication Date: 2018-11-06
广州市朗坤环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems of secondary pollution, stench or occupation of a large amount of land resources in existing animal solid waste treatment methods, and provides a harmless treatment by adopting ultra-low temperature technology, which can reduce stench, secondary pollution, and does not occupy Land resources, the final product can also be used as a resource for animal solid waste treatment methods

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] This embodiment provides a treatment method for animal solid waste. The animal solid waste is a dead pig infected with disease in a pig farm, and the dead pig infected with disease is infected with E. Or circovirus type 2 infected dead pigs. The processing steps are as follows:

[0024] (1) Put the solid animal waste (20 infected dead pigs) in the container, then cool the container to -18°C through the refrigeration system, and lower the temperature of the solid animal waste in the container to -18°C.

[0025] (2) Inject liquid nitrogen at -196°C into the container to soak the animal solid waste in liquid nitrogen. The animal solid waste is rapidly cooled to ultra-low temperature. After the temperature of the animal solid waste drops to -196°C, keep it warm for 20 minutes. Waste becomes crisp.

[0026] (3) Use an ultrasonic pulverizer to ultrasonically pulverize the animal solid waste in the container (generally pulverize at an ultrasonic frequency of 30-40KHz for 10-...

Embodiment 2

[0030] This embodiment provides a treatment method for animal solid waste. The animal solid waste is a dead pig infected with disease in a pig farm, and the dead pig infected with disease is infected with E. Or circovirus type 2 infected dead pigs. The processing steps are as follows:

[0031] (1) Put the solid animal waste (20 infected dead pigs) in the container, then cool the container to 0°C through the refrigeration system, and lower the temperature of the solid animal waste in the container to 0°C.

[0032] (2) Refrigerate the container to -150°C through the refrigeration system, so that the temperature of the animal solid waste drops rapidly. After the temperature of the animal solid waste drops to -150°C, keep it warm for 20 minutes, and the animal solid waste becomes crisp.

[0033] (3) Use an ultrasonic pulverizer to ultrasonically pulverize the animal solid waste in the container (generally pulverize at an ultrasonic frequency of 30-40KHz for 10-25min), until the a...

Embodiment 3

[0037] This embodiment provides a treatment method for animal solid waste. The animal solid waste is a dead pig infected with disease in a pig farm, and the dead pig infected with disease is infected with E. Or circovirus type 2 infected dead pigs. The processing steps are as follows:

[0038] (1) Put the solid animal waste (20 infected dead pigs) in the container, then cool the container to 0°C through the refrigeration system, and lower the temperature of the solid animal waste in the container to 0°C.

[0039] (2) Refrigerate the container to -100°C through the refrigeration system, so that the temperature of the animal solid waste drops rapidly. After the temperature of the animal solid waste drops to -100°C, keep it warm for 20 minutes, and the animal solid waste becomes crisp.

[0040] (3) Use an ultrasonic pulverizer to ultrasonically pulverize the animal solid waste in the container (generally pulverize at an ultrasonic frequency of 30-40KHz for 10-25min), until the a...

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PUM

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Abstract

The invention relates to the technical field of harmless animal waste treatment, in particular to an animal waste treatment method applying an ultralow temperature technology. According to the animalwaste treatment method, animal waste is frozen to the ultralow temperature, for example, liquid nitrogen is used for rapidly cooling the animal waste to -196 DEG C, organic organizations of the animalwaste are dehydrated, the animal waste becomes very dry and crisp, and ordinary common smashing equipment such as an ultrasonic wave pulverizer can be used for carrying out effective pulverizing treatment on the animal waste so that the animal waste can be powdered; and on the other hand, matrixes around various bacteria in the animal waste are rapidly frozen, the osmotic pressure is increased, cytoplasm of the bacteria is greatly dehydrated, the physicochemical property is changed, cells are chemically damaged, the cytoplasm is also frozen, ice crystals physically damage the cells, and therefore the sterilization effect is achieved, the situation that malodorous gas is generated in the harmless treatment process can be avoided, and secondary pollution is avoided.

Description

technical field [0001] The invention relates to the technical field of harmless treatment of animal solid waste, in particular to a treatment method of animal solid waste using ultra-low temperature technology. Background technique [0002] In recent years, with the rapid development of the national economy, the development of animal husbandry has also been rapidly developed, the scale has continued to expand, the circulation of animals and animal products has become increasingly frequent, and the amount of animal solid waste generated in the process of breeding and animal health supervision and law enforcement is also increasing keep growing. Animal solid waste refers to all kinds of poultry and livestock that die during breeding and transportation, animal carcasses that fail to pass the quarantine, or leftover materials produced in slaughterhouses and other processing residues. Materials such as solid animal waste or unqualified meat products must be treated in a harmless...

Claims

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Application Information

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IPC IPC(8): B02C19/18B02C21/00
CPCB02C19/18B02C19/186B02C21/00B02C2201/06
Inventor 余海彪
Owner 广州市朗坤环境科技有限公司
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