At present, the state's management of the aquaculture industry is becoming more and more standardized. The sewage disposal of some farms is also becoming more and more strict. In many areas, the pig slaughter policy has also been implemented. For some pig farms that fail to meet the EIA, they are dismantled. Field pollution has become a heart disease for the majority of farmers. In fact, the problem of pig farm pollution is not so difficult to solve. Today, Cherry Xiaomei offers three tricks for efficient treatment of pig manure! Let’s take a look!
The pig farm pollution is mainly pig manure and sewage. As long as the manure can be treated harmlessly, it will not pollute the surrounding soil, water source and air, and the pig farm can easily pass the environmental assessment. Below, Cherry Girl introduces three ways to deal with the manure of pig farms. I hope that everyone can help!
One of the big tricks for efficient treatment of pig manure: fermentation bed
Fermented bed pigs have been implemented for decades, but there are many different opinions on practical value, but the effect on manure treatment is really good. 30~50 cm of rice husks and sawdust are placed in the pig house as fermented mattress materials, and the em strain is inoculated. The pig manure and urine are discharged into the fermentation bed to be decomposed and fermented by microorganisms, thereby achieving no emission and no pollution of pigs. No odor, completely solve the problem of polluting the environment of large-scale pig farms.
Of course, many pig farms are not practical after use, the winter fermentation effect is poor, the summer bed temperature is high, and the labor consumption is large. The poor fermentation effect in winter is mainly due to the low temperature affecting the activity of the fermenting bacteria. The high temperature of the bed in summer is mainly due to the heat generation during the decomposition fermentation process. The artificial consumption is mainly due to the need to periodically turn the material in order to improve the fermentation effect. In order to improve the practicality of the fermentation bed, it is necessary to do winter insulation and cool down in summer, and you can purchase a hand-push rotary tiller for turning.
Two major measures for efficient treatment of pig manure: solid-liquid separation
Solid-liquid separation machine is used to separate solid and liquid of pig manure, and then the solid and liquid are treated separately, which can reduce the difficulty of treatment to a large extent. The market price of small solid-liquid separators is more than 10,000 yuan per unit. It can process 10 to 20 cubic meters of manure per hour. It can be used in a farm with 5000 to 10,000 pigs.
The water content of the dehydrated manure is generally below 40%, and can be directly subjected to accumulation fermentation treatment. After 20 to 30 days of complete fermentation and decomposing, it can be used as organic fertilizer, and food crops, vegetables, fruit trees and pastures can be applied. Liquid contaminants need to be discharged into the sedimentation tank for 5 to 10 days of sedimentation and fermentation, and then discharged to ponds of lotus roots or other aquatic plants.
Three major measures for efficient treatment of pig manure: biogas pool
The biogas digesters have a very good effect on the treatment of pig manure, and the manure is converted into biogas, biogas slurry and biogas residue by fermentation. Biogas can be used for daily life and production of pig farms, which greatly saves the daily expenses of the farm; biogas slurry can be used for backwashing pig houses to have a certain driving effect on mosquitoes and flies, and can also be used to water the farmland without causing burning seedlings; It is rich in nitrogen, phosphorus, potassium and various trace elements, and is a rare organic fertilizer.
Generally, a 500-head pig farm will build a biogas digester with a biogas slurry of 100-120 cubic meters of volume and a biogas slurry. The cost is between 50,000 and 80,000 yuan. At present, the construction of environmental protection facilities on pig farms can obtain certain government subsidies. In some areas, even subsidies will be fully subsidized. Of course, it is necessary to consult with local animal husbandry and environmental protection departments.
Therefore, our farmers' friends don't feel that the pig farm EIA is difficult to pass. In fact, no matter which method is adopted, it is easy to pass the pollution discharge of the pig farm! The above three methods can not only achieve environmental protection but also recycle resources, so that it is both cost-effective and environmentally friendly. Why not? Take action now!
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