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The first is the integrated mode of planting and breeding: for farms with adequate supporting farmland, mountainous regions, fruit trees, or tea gardens, the farmed manure will be treated with biogas or treated with fertilizer ponds to irrigate the farmland, through the use of livestock manure and waste resources. To achieve "zero" discharge of fecal sewage. The construction content mainly includes oxidation ponds or biogas slurry storage pools combined with the storage and treatment of manure water, fertilizer and biogas slurry transportation equipment, field storage pools, distribution pools, and the use of pipe networks and supporting facilities for fertilizer and paddy fields, as well as lift pumps and flow meters.
The second is the three-reform two-point re-use model: adopting the “three-reform two-point re-use†technology, that is, changing the water flushing excrement or artificially excreting the manure as the leaking joint, scraping the excrement under the floor to scrape the manure, and changing the unlimited use of water to control the water. The sewage from Xiaominggou is drained from the underground passage, solid-liquid separation, rain and sewage separation, livestock manure after harmless treatment with high-temperature compost, and organic manure and aquaculture wastewater are treated with irrigated ponds to irrigate farmland with fertilizer water. The construction contents mainly include reconstruction of rain and sewage. Separation of pipeline systems, acquisition of excreta mechanical dredging equipment, solid-liquid separation equipment, solid manure forced aerobic composting systems, integrated treatment and storage facilities for oxidation ponds, fertilizer and water transfer equipment, and construction of farmland utilization facilities such as fertilizer and water field storage pools and pipe networks .
The third is the advanced wastewater treatment mode: The advanced wastewater treatment technology is adopted to improve the treatment effect of aquaculture wastewater through a combination of high-efficiency anaerobic and aerobic processes to achieve wastewater discharge standards. The main construction contents include: catchment pools, pretreatment tanks, high-efficiency anaerobic fermentation tanks, aerobic treatment tanks, multi-stage biological purification ponds, disinfection tanks, membrane bioreactors and other infrastructure, sewage pumps, solid-liquid separators, aeration Equipment and automation equipment and other ancillary equipment.
The fourth is the centralized treatment of wastes in densely populated areas. The use of manure transporter - mechanical agitation composting - composting - comminution - manure solid manure treatment process to increase the added value of fertilizers; farm households temporary storage of sewage - suction truck collection and transportation - solid-liquid separation - efficient biological treatment - Fertilizer storage - Wastewater treatment process for comprehensive utilization of farmland, improving treatment efficiency, and realizing resource utilization of sewage. The construction contents mainly include: farm in-situ waste collection and storage facilities, solid excrement concentrated composting workshops and processing facilities, sewage efficient biological treatment facilities and fertilizer and water utilization facilities, as well as supporting equipment such as manure transfer, manure disposal and sewage treatment.
Livestock and poultry breeding waste treatment method
Farmed manure is treated with biogas or wastewater from oxidation ponds to irrigate farmland. At the same time, organic fertilizers are used to produce excess organic waste, and sewage treatment facilities are used. Resources of livestock and poultry are conserved through the use of livestock manure and waste resources. Use and meet emission standards. According to the farm excrement technology, supporting farm area, etc., choose one or several recycling modes according to local conditions.