Fermentation process of culturing excrement

Abstract

The invention discloses a fermentation process of culturing excrement. The fermentation process comprises the following steps of: heating the culturing excrement at a high temperature, in order to fully inactivate harmful bacteria in the culturing excrement; adding aerobic microorganism solution for fermenting to the culturing excrement so that aerobic fermentation treatment to the culturing excrement is completely aerobically fermented by controlling the fermentation temperature and the fermentation humidity, wherein the culturing excrement is continuously turned and stirred during fermentation treatment so that the culturing excrement comes into full contact with oxygen, the excrement inactivation and the fermental cultivation are both continuously carried out in the same fermenting device; the fermenting device rotates to turn and stir the culturing excrement during the excrement inactivation and fermentation cultivation processes; and the fermenting device rotates to discharge the culturing excrement after fermentation cultivation. The fermentation process disclosed by the invention is simple in steps, convenient to operate, high in treatment efficiency, small in floor space, short in time consumption, high in practicability, low in cost, energy-saving and environmentally-friendly.

Description

technical field [0001] The invention relates to a fermentation process, in particular to a fermentation process which can be used for the treatment of breeding manure. Background technique [0002] In recent years, the mode of raising pigs has changed from rural free-range breeding to intensive farming, and the food of pigs has also changed from the leftover hogwash to unified feed. Following this, the amount of pig manure is huge, and the excrement is harmful to the environment. pollution is becoming increasingly serious. The toxic and harmful substances in livestock and poultry manure are seriously beyond the capacity of the environment. If they are not treated harmlessly, it will not only cause groundwater pollution and microbial content exceeding the standard, but also pollute the air, making ammonia, sulfur dioxide and other harmful gases in the atmosphere At the same time, livestock and poultry manure will also cause soil environmental problems such as soil acidificat...

AI Technical Summary

Problems solved by technology

The toxic and harmful substances in livestock and poultry manure are seriously beyond the capacity of the environment. If they are not treated harmlessly, it will not only cause groundwater pollution and microbial content exceeding the standard, but also pollute the air, making ammonia, sulfur dioxide and other harmful gases in the atmosphere At the same time, livestock and poultry manure will also cause soil environmental problems such as soil acidification and heavy metal residues

[0003] At present, there are several methods for the treatment of aquaculture manure, such as anaerobic fermentation method (digester), composting method or direct application as fertilizer, but the existing treatment methods all have large investment, large land occupation, secondary pollution and technical problems. Control complex and other defects

Taking the anaerobic fermentation method and composting method as examples, the required area and investment are relatively large, and the temperature and humidity need to be well controlled during the treatment. Not only is the process control difficult, the process steps are cumbersome, and the treatment time is very long (15~ 60 days), it is difficult for ordinary farmers to form a scale

On the other hand, cultured manure itself is a kind of good farmyard manure, and it is a high-quality organic fertilizer resource for fertilizing and improving the soil. However, if the manure is directly applied, it will inevitably have negative effects such as crop root damage, disease, and weed damage.

Due to the limitations of many factors, most of the farmers in our country cannot make good resource utilization of the breeding manure.

[0004] In order to simplify the operation procedure for the treatment of breeding manure and improve the process efficiency of the treatment of breeding manure, a variety of treatment equipment for breeding manure is disclosed in the prior art, but most of the existing treatment equipment is static fermentation equipment, and the structure is relatively complicated , the feed and discharge are not smooth, the fermentation time is long, and the fermentation effect is not ideal, it is difficult to meet the needs of farmers for large-scale treatment of breeding manure

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