The Fermentation of Livestock Manure and Kitchen Waste Organic Fertilizer Fermentation Tank is an industrial organic waste treatment solution designed for the controlled fermentation of livestock manure, kitchen waste, food waste, and other suitable biodegradable materials. The fermentation tank can be integrated into an organic fertilizer production system to help stabilize organic waste and prepare it for further processing into fertilizer products.
Livestock farms, agricultural operations, food-processing facilities, restaurants, institutional kitchens, and organic waste treatment plants generate large quantities of biodegradable waste. Instead of relying solely on conventional disposal methods, suitable organic materials can be processed through biological fermentation and converted into more manageable, stabilized material.
The complete system can be configured according to raw material characteristics, daily processing volume, moisture content, solids concentration, fermentation requirements, and final fertilizer application.
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Take the technical parameters of 2 cubic livestock and poultry manure fermentation treatment machine as an example |
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Serial number |
Technical Parameters |
standard |
power |
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1 |
Control cabinet |
Manual/Intelligent 24V3A |
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2 |
Unit size |
3.3m*2.3m*2.5m |
15kw |
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3 |
Equipment area |
15m*10m*5m |
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4 |
Voltage |
380v50HZ |
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5 |
lift |
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1.7kw |
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6 |
Discharge port |
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0.18kw |
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7 |
Heating system |
25-100° |
4kw |
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8 |
broken |
600r/min |
4kw |
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9 |
Stirring volume |
2m3 |
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10 |
Daily processing capacity |
10 cubic meters of manure/5 cans/day |
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Livestock Manure Fermentation
Livestock manure contains organic matter, nutrients, moisture, fibers, and microorganisms. Proper fermentation can promote biological decomposition and help stabilize the manure for subsequent treatment or agricultural utilization.
The fermentation tank can be considered for cattle manure, pig manure, poultry manure, sheep manure, horse manure, and other suitable livestock waste.
Before fermentation, manure may require screening, solid-liquid separation, crushing, moisture adjustment, or other pretreatment depending on its physical characteristics.
A properly designed pretreatment stage can help create a more consistent feed material and reduce problems caused by excessive liquid, large foreign materials, or uneven particle size.
Kitchen Waste Fermentation
Kitchen waste and food waste generally contain biodegradable organic matter and may have relatively high moisture content. These characteristics make appropriate pretreatment and moisture management important parts of the fermentation process.
Kitchen waste may contain food residues, vegetable scraps, fruit residues, cooked food waste, and other biodegradable materials. Non-organic materials such as plastic, metal, glass, and other contaminants should be removed before biological treatment.
The fermentation system can be integrated with sorting, crushing, dewatering, conveying, and other pretreatment equipment to prepare kitchen waste for controlled fermentation.
Organic Fertilizer Fermentation Tank
The fermentation tank provides a dedicated environment for biological treatment of compatible organic materials. Depending on the selected process, the system can support controlled mixing, temperature monitoring, ventilation, feeding, and material discharge.
The actual fermentation method and operating conditions depend on the raw material composition and the selected equipment configuration.
Factors such as moisture, temperature, oxygen availability, carbon-to-nitrogen ratio, particle size, and biological activity can influence the fermentation process.
For mixed livestock manure and kitchen waste, the feedstock ratio should be evaluated according to the actual characteristics of both materials.
Mixed Organic Waste Treatment
Combining suitable livestock manure with kitchen waste can create a mixed organic feedstock for fermentation. However, different materials have different moisture levels, nutrient compositions, particle characteristics, and biological properties.
Kitchen waste may provide readily biodegradable organic matter, while livestock manure can contribute organic solids and nutrients. Proper blending and process control can help create a more uniform fermentation feedstock.
The appropriate mixture should be determined through application testing and process evaluation rather than using a fixed ratio for every project.
Moisture Control
Moisture is one of the important factors affecting organic waste fermentation. Livestock manure and kitchen waste can both contain significant amounts of water, and kitchen waste may be particularly wet depending on its source.
When feedstock contains excessive free water, a solid-liquid separation or dewatering process may be required before fermentation.
Suitable equipment can include screw presses, solid-liquid separators, drainage systems, or other dewatering equipment.
If the feedstock is too dry, moisture adjustment may also be considered. The target moisture condition depends on the fermentation technology and material characteristics.
Mixing And Material Uniformity
Effective mixing can help distribute moisture, organic material, and microorganisms throughout the fermentation mass. It can also reduce localized accumulation of wet or dry material.
The mixing system should be selected according to the physical properties of the feedstock. Fibrous manure, wet food waste, and mixed organic materials can have different flow and handling characteristics.
Mechanical mixing or other suitable circulation methods can be evaluated according to the tank design and processing requirements.
Temperature Management
Biological fermentation is affected by temperature. Microbial activity can change as temperature varies, so monitoring and controlling process conditions can help maintain a more stable fermentation environment.
Depending on the selected fermentation system, temperature sensors and control components can be incorporated into the equipment.
The required fermentation time is not identical for all raw materials. It depends on feedstock composition, moisture, biological activity, temperature, mixing, and the desired level of stabilization.
Enclosed Organic Waste Processing
An enclosed fermentation tank can provide a more organized processing environment compared with uncontrolled outdoor accumulation.
Livestock manure and kitchen waste may generate odors during storage and decomposition. An enclosed system can help concentrate process emissions so they can be managed with suitable ventilation or odor-control equipment.
Depending on project requirements, exhaust air can be directed to biofilters, scrubbers, or other appropriate odor treatment systems.
Odor-control design should take into account the type of feedstock, processing capacity, plant location, local regulations, and surrounding environment.
Product Description
1. Working principle
Aerobic fermentation: Most fermentation tanks adopt the principle of aerobic fermentation, providing oxygen to microorganisms through forced ventilation or stirring system to promote their rapid decomposition of organic matter.
High temperature sterilization: The temperature can reach 50~70ºC during the fermentation process, killing pathogens, insect eggs and weed seeds.
Automated control: Real-time monitoring of temperature, humidity, pH value, oxygen content and other parameters through sensors to optimize fermentation conditions.
2. Main structural components
Tank:
Material: stainless steel or anti-corrosion carbon steel, corrosion-resistant and high-temperature resistant.
Shape: vertical (tower) or horizontal, some are equipped with insulation layer to improve energy efficiency.
Mixing system:
Spiral agitator or compost turning device to ensure uniform mixing and ventilation of materials.
Ventilation system:
Ventilation ducts or fans are arranged at the bottom to provide oxygen and adjust humidity.
Temperature control system:
Electric heating, steam heating or using fermentation to generate heat to maintain the optimal temperature.
Deodorization device:
Integrated biofilter or chemical washing equipment to reduce odor emissions.
Intelligent control system:
PLC or IoT module to achieve remote monitoring and automated operation.
III. Fermentation tank type
Tower fermentation tank:
Vertical multi-layer design, materials ferment layer by layer from top to bottom, saving space, suitable for large-scale processing.
Horizontal fermentation tank:
Horizontal drum structure, through rotating stirring materials, suitable for small and medium-scale production.
Enclosed fermentation tank:
Fully enclosed design, reducing odor and pollution, suitable for cities or densely populated areas.
Continuous fermentation tank:
Material enters and exits continuously, achieving 24-hour uninterrupted production.
IV. Advantages
Efficient and fast:
Traditional composting takes 30 to 60 days, while fermentation tanks only take 7 to 15 days.
Environmentally friendly:
Reduce greenhouse gas emissions such as methane, control odor and sewage.
Resource utilization:
Converting waste into high-value organic fertilizer is in line with the concept of circular economy.
Strong adaptability:
Can handle a variety of organic waste (such as feces, sludge, kitchen waste, etc.).
Save manpower:
High degree of automation, reducing the cost of manual turning and monitoring.
V. Disadvantages
High initial investment:
The equipment purchase and installation costs are high, suitable for large-scale production.
Energy consumption issues:
Some models rely on electricity or steam heating, and operating costs need to be controlled.
Technical requirements:
Requires professional operation and maintenance to avoid insufficient microbial activity or equipment failure.
VI. Application scenarios
Farms: Treat livestock and poultry manure, reduce pollution and produce organic fertilizer.
Agricultural parks: Resource utilization of straw, fruit and vegetable waste.
Urban garbage treatment stations: Harmless treatment of kitchen waste and sludge.
Organic fertilizer processing plants: Large-scale production of commercial organic fertilizer.
VII. Selection recommendations
Processing capacity: Select the tank volume according to the daily processing capacity (such as 5 tons/day to 100 tons/day).
Raw material characteristics: high-humidity materials need to be equipped with dehydration equipment, and fiber materials need to be stirred intensively.
Environmental requirements: closed + deodorization system is preferred in densely populated areas.
Budget: small and medium-sized farms can choose horizontal fermentation tanks, and large enterprises can choose tower continuous fermentation systems.
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