Excrement biological treatment method for livestock and poultry breeding farm

A technology for biological treatment of livestock and poultry manure, applied in animal husbandry, organic fertilizers, climate change adaptation, etc., can solve the problems of difficult collection and separation of black soldier fly larvae, difficult operation, etc., achieve high efficiency, solve environmental pollution, and treat The effect of simple method

Inactive Publication Date: 2016-08-17
刘德江
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is limited to the treatment of manure in pig houses, and the actual operation is difficult. Black soldier fly larvae will escape, but it is difficult to collect and separate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] There are 6 cubic meters of pig manure in the manure tank of the pig house, 1000 kg of rice husk powder is added, and the moisture content after conditioning is 76%. Stir in 1 kg of EM bacterial agent, and spread out the material after conditioning to have a thickness of 30 cm. 0.6 kg of 1st instar black soldier fly larvae were evenly added to the rearing material. The temperature of the raising material layer is 28-30°C, and the larvae are raised for 15 days, and the raising material has basically been converted into granular material. Collect 960 kg of larvae and 2800 kg of organic fertilizer.

Embodiment 2

[0026] Collect 2000 kg of chicken manure, add 200 kg of sawdust, and the moisture content after conditioning is 73%. Stir in 0.5 kg of EM bacterial agent, and spread the material after conditioning and tempering to have a thickness of 25 cm. Evenly add 0.3 kg of 1st instar black soldier fly larvae to the medium tray of the rearing material. The temperature of the raising material layer is 28-30°C, and the larvae are raised for 15 days, and the raising material has basically been converted into granular material. Collect 440 kg of larvae and 860 kg of organic fertilizer.

Embodiment 3

[0028] Collect 2,000 kg of chicken manure, 2,000 kg of cow dung, add 300 kg of sawdust, and adjust the water content to 70%. Stir in 0.5 kg of EM bacterial agent, and spread the material after conditioning to have a thickness of 35 cm. Evenly add 0.8 kg of 1st instar black soldier fly larvae to the medium tray of the rearing material. The temperature of the raising material layer is 28-30°C, and the larvae are raised for 15 days, and the raising material has basically been converted into granular material. Collect 830 kg of larvae and 1560 kg of organic fertilizer.

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Abstract

The present invention relates to a livestock excrement treatment method, and particularly relates to an excrement biological treatment method for a livestock and poultry breeding farm. The method comprises the steps of adjusting the water content of the collected livestock excrement to be within the range of 50-90% to form an adjustment material; putting the larvae of black soldier flies into the adjustment material; feeding the larvae of black soldier flies on the livestock excrement, wherein the larvae of black soldier flies digest and absorb organic substances in the excrement to grow up and excrete during the growing process so as to complete the digestion treatment of the excrement during the growing and moving process, and the excrement of black soldier flies and the digested residue of the livestock excrement together form a granular organic fertilizer, namely insect sands; separating the larvae of black soldier flies from the insect sands, and machining the larvae of black soldier flies into high-value protein powders. According to the technical scheme of the invention, the organic substances of the livestock excrement are converted into insect protein powders and a high-quality organic fertilizer, and the conversion rate of the organic substances is up to be over 90%. In this way, the problem in the prior art that the livestock excrement of the livestock and poultry breeding farm pollutes the surrounding environment can be effectively solved. Meanwhile, the treatment method is simple, practical and high in efficiency.

Description

technical field [0001] The invention relates to a method for treating livestock and poultry manure, in particular to a biological treatment method for breeding manure in large-scale livestock and poultry farms. Background technique [0002] The rapid development of large-scale breeding of livestock and poultry has caused the problem of pollution of the surrounding environment by breeding manure. The smell of breeding manure makes the farms move to remote areas of the city, but the pollution of manure to the environment still exists. The existing livestock and poultry manure treatment methods all have the disadvantages of not being able to deal with them in real time and causing secondary pollution. [0003] Biological treatment of livestock and poultry manure is a product with low investment, high benefit, and high value-added treatment results. CN 103931562 A discloses a similar treatment method. The method is to define a pig latrine for pigs to excrete feces and pig urin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F3/00A01K67/033A23J1/00
CPCA01K67/033A23J1/00C05F3/00Y02A40/20
Inventor 刘笑吟刘德江
Owner 刘德江
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