Ecological management system and ecological management method for excrement liquid of livestock and poultry

Abstract

The invention relates to an ecological management system for excrement liquid of livestock and poultry. The ecological management system comprises a source-separation water-saving house, a pollution treatment factory, a fodder factory and an auxiliary planting land. The pollution treatment factory comprises a high-temperature solid aerobiotic-fermentation system, a middle-temperature liquid anaerobic-fermentation system, a heating and heat balance system and a detection control system. A regulation pool is connected with a feed inlet of the middle-temperature liquid anaerobic-fermentation system through a delivery pump, methane generated by the middle-temperature liquid anaerobic-fermentation system is delivered to the heating and heat balance system, and the heating and heat balance system is connected a heating coil of the middle-temperature liquid anaerobic-fermentation system through a pipeline. The ecological management system has the advantages that finished products, namely liquid organic and inorganic compound fertilizer and liquid microbial fertilizer, of the pollution treatment factory are used for irrigation and drop irrigation of plants planted on the auxiliary plantingland, and pastures are taken as fodder raw materials for the fodder factory, so that cultivation cost is reduced, nutrition level of fodder is improved, and harmonious development of the breeding industry and the biological environment is promoted.

Description

technical field

[0001] The invention belongs to the field of environmental protection technology, and in particular relates to a system and method for ecological treatment of excrement liquid in livestock and poultry farms. Background technique

[0002] In recent years, the aquaculture industry has developed rapidly towards intensification and scale. While providing the market with rich and high-quality livestock and poultry products, it also brings a large amount of pollutants such as feces and urine. cause serious pollution.

[0003] Traditional biogas digesters are generally monolithic structures built with reinforced concrete structures, which are costly and difficult to construct, and there are the following problems in the process of use: (1) Digestive residues are difficult to clean and block the biogas digesters, affecting the normal use of the biogas digesters; (2) ) liquid surface "crusting", which affects the normal gas production of the biogas digester, and also...

Examples

Embodiment 1

[0059] A method for ecological treatment of pig farm manure liquid, comprising the steps of:

[0060] 1. Separation of the source of the barn and water saving: the rain and drinking water are separated, and the rain and drinking water are discharged to the ditch outside the barn instead of being mixed into the feces and urine. Water-saving flushing of the barn, mechanical scraping of manure or manual dry cleaning Manure, at the source of the barn, rainwater and drinking water will not be mixed into the manure and urine, so as to minimize the amount of manure and urine. Clean the barn with a high-pressure water gun or even high-pressure air, mechanically scrape the manure or manually dry the manure to clean it out The pig manure is subjected to high-temperature aerobic fermentation to produce solid organic fertilizer 403, and the pig manure and flushing water are transported to the regulating tank 201;

[0061] 2. Mesophilic anaerobic fermentation of manure liquid:

[0062] (1...

Embodiment 2

[0075] A method for ecological treatment of pig farm manure liquid, comprising:

[0076] 1. Separation of the source of the barn and water saving: the rain and drinking water are separated, and the rainwater and drinking water are discharged to the ditch outside the barn instead of being mixed into the excrement. At the source of the barn, rainwater and drinking water are not mixed into the feces and urine to minimize the amount of feces and urine. Cleaning the barn uses high-pressure water guns or even high-pressure air. 201;

[0077] 2. Mesophilic anaerobic fermentation of manure liquid:

[0078] (1) open solenoid valve 506d, tap water replenishes water to low-temperature heat preservation water tank 504 automatically, open solenoid valve 506f, low temperature heat preservation water tank 504 utilizes height difference under the control of detection control system 106, automatically replenishes water to high temperature heat preservation water tank 503, opens solenoid valve...

technical field

[0001] The invention belongs to the field of environmental protection technology, and in particular relates to a system and method for ecological treatment of excrement liquid in livestock and poultry farms. Background technique

[0002] In recent years, the aquaculture industry has developed rapidly towards intensification and scale. While providing the market with rich and high-quality livestock and poultry products, it also brings a large amount of pollutants such as feces and urine. cause serious pollution.

[0003] Traditional biogas digesters are generally monolithic structures built with reinforced concrete structures, which are costly and difficult to construct, and there are the following problems in the process of use: (1) Digestive residues are difficult to clean and block the biogas digesters, affecting the normal use of the biogas digesters; (2) ) liquid surface "crusting", which affects the normal gas production of the biogas digester, and also...

Examples

Embodiment 1

[0059] A method for ecological treatment of pig farm manure liquid, comprising the steps of:

[0060] 1. Separation of the source of the barn and water saving: the rain and drinking water are separated, and the rain and drinking water are discharged to the ditch outside the barn instead of being mixed into the feces and urine. Water-saving flushing of the barn, mechanical scraping of manure or manual dry cleaning Manure, at the source of the barn, rainwater and drinking water will not be mixed into the manure and urine, so as to minimize the amount of manure and urine. Clean the barn with a high-pressure water gun or even high-pressure air, mechanically scrape the manure or manually dry the manure to clean it out The pig manure is subjected to high-temperature aerobic fermentation to produce solid organic fertilizer 403, and the pig manure and flushing water are transported to the regulating tank 201;

[0061] 2. Mesophilic anaerobic fermentation of manure liquid:

[0062] (1...

Embodiment 2

[0075] A method for ecological treatment of pig farm manure liquid, comprising:

[0076] 1. Separation of the source of the barn and water saving: the rain and drinking water are separated, and the rainwater and drinking water are discharged to the ditch outside the barn instead of being mixed into the excrement. At the source of the barn, rainwater and drinking water are not mixed into the feces and urine to minimize the amount of feces and urine. Cleaning the barn uses high-pressure water guns or even high-pressure air. 201;

[0077] 2. Mesophilic anaerobic fermentation of manure liquid:

[0078] (1) open solenoid valve 506d, tap water replenishes water to low-temperature heat preservation water tank 504 automatically, open solenoid valve 506f, low temperature heat preservation water tank 504 utilizes height difference under the control of detection control system 106, automatically replenishes water to high temperature heat preservation water tank 503, opens solenoid valve...

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