In the urbanization movement, the backward and inefficient methods and capabilities of human and animal waste treatment not only make life very uncomfortable but also imply a great public health crisis. In rural areas, the random discharge of human and animal waste makes the spread of diseases easier. Test results show that feces contain a large number of viruses, bacteria, parasite cysts, and eggs. Most of these microorganisms are harmful. Tiny fecal particles can contaminate water, food, tableware, and shoes, and finally enter the human body. Even some health experts estimate that people without adequate sanitation facilities will bring 10 grams of feces into their bodies every day. In cities, before the emergence of large-scale apartment buildings, residential areas mainly relied on public toilets and old-fashioned toilets to solve the problem. However, the number of public toilets was very limited, and people often had to queue up to use the toilet in the morning. The situation of public toilets outside was even more of a problem. Their filthy condition was well-known internationally and once triggered discussions about citizens' quality.

The intelligent high-temperature aerobic sewage treatment equipment developed by Shandong Fuhang New Energy & Environmental Protection Co., Ltd.2014 was officially put into production and use in . After the equipment was put into operation, it can handle all the sewage in **** every day, completely solving the problem of sewage treatment and disposal. This technology mainly decomposes and matures the organic matter in the sewage through high-temperature aerobic fermentation. The fermented product can be used as organic fertilizer for soil improvement and landscaping, realizing resource utilization.
The tower-type sewage fermentation equipment is a new and efficient sewage fermentation treatment equipment newly developed by Shandong Fuhang New Energy & Environmental Protection Co., Ltd.***. Main features:
1. It consumes less energy during the treatment process and has low operating costs; It makes full use of space and occupies a small area;
2. It has a high degree of automation. It combines PLC with the upper computer to achieve remote control;
3、The treatment process is fully enclosed without secondary pollution;
4、Biological deodorization is adopted, and the exhaust gas during the treatment process meets the emission standards;
5、The interior is made of stainless steel 304 material, which is corrosion-resistant and has a long service life;
6、An auxiliary air supply heating device is equipped to ensure the normal operation of the equipment in a low-temperature environment.
Main process principle description
The tower-type fermentation treatment process is to mix the dehydrated materials, agricultural wastes such as straw, and the reflux materials in a certain proportion. After the moisture content reaches the designed 60-65%, they enter the treatment system. Oxygen is sent into the materials through a vortex pump, and they fall layer by layer under the action of the hydraulic turning device and their own gravity. The primary fermentation process lasts for 8 days, allowing the materials to undergo sufficient aerobic fermentation and decomposition. The heat released during the decomposition process can raise the temperature of the materials themselves, reaching 80℃. During the fermentation process, the moisture in the sludge continuously evaporates, and some organic matter is decomposed and decomposed, thereby reducing the volume and achieving the purpose of reduction and stabilization treatment. The equipment is equipped with an oxygen concentration sensor and a temperature sensor. Through PLC signal calculation, the oxygen supply volume and temperature are automatically adjusted. Under the action of ventilation, oxygen filling, and stirring, the fermentation temperature is controlled at 55~65°C to reach the temperature required for sludge fermentation. At this temperature, a large number of pathogens and parasites in the pile can be killed, achieving the goal of harmless treatment. Part of the treated material is used as reflux material and mixed with the newly incoming material. Most of it is packaged and sold as organic fertilizer, realizing the resource utilization of fecal sewage. The odor generated during the fermentation process enters the deodorization device through the collection system and is discharged up to the standard, avoiding secondary pollution. The system is equipped with electric auxiliary heating to ensure that the fermentation conditions can be quickly reached in a low-temperature environment and continuous production in a low-temperature environment.
Basic conditions for process operation
(1)Organic matter content: Content≥20%.
(2)Moisture content: The moisture content should be maintained between50% and65%.
(3)The temperature should be maintained between50 and65°C, and the time above55°C should exceed5 days.
(4)Carbon-nitrogen ratio(C/N): (20~30): 1.
(5) The pH value is controlled between7 and8.5.
(6) Ventilation volume:3.0~3.6m3/(m3 sludge·h).
Fuhang Intelligent High-temperature Aerobic Fermentation Equipment can be widely used in the field of organic waste treatment such as municipal sludge, livestock and poultry manure, and kitchen waste. The launch of this equipment into the market marks a new breakthrough for Shandong Fuhang New Energy & Environmental Protection Co., Ltd. in the organic waste treatment industry.