As the country attaches more and more importance to the environment, the problem of livestock manure disposal has gradually become a bottleneck restricting the development of animal husbandry. The construction of a stockpile farm is simple and the investment is low. It is particularly suitable for small and medium-sized farms where farmland can absorb manure.
The design process of the storage waste farm should mainly pay attention to the following aspects:
1. Storage site
The farm's storage site should be located in the downwind or sidewind direction of the entire site and have a certain distance from the production site to avoid causing pollution to the site.
2. Storage tank volume calculation
The volume of the stockpiling site can generally be designed in accordance with the provisions in the “Notice of the Notice†issued by the Ministry of Environmental Protection on Printing and Distributing the "Twelve-Five" Major Pollutant Emission Reduction Regulations for Major Pollutants, that is, under normal circumstances, every 10 heads. The volume required for the pig (slaughter) manure dump site is approximately 1m3; the required volume for each 1 cow (slaughter) or every 2 cows (inventory) for the manure dump site is approximately 1m3; for every 2000 broilers (slaughter) or every 500 animals The required volume for the laying hens (stocks) in the dump site is approximately 1m3.
3. Rainproof and seepage prevention design
There should be rainproof and seepage prevention measures for the storage site. The rainproof facilities mainly require that the storage site should have a roof or rain canopy to prevent rain and snow from entering. At the same time, there should be drainage ditch around the storage site to prevent rain. Large amounts of rainwater enter; imperviousness refers to the prevention of groundwater leakage and contamination of groundwater. The main measures taken are the brickwork surrounding the storage site and the use of cement to harden the ground.
4. Road design for storage sites
The width of the road to the fecal disposal site can be designed based on the width of the transported excrement vehicles in the farm. Close to the storage site, a faecal gate should be designed to facilitate the excrement of excreta.
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