Wet Waste Compression Station

Wet Waste Compression Station is a kind of environmental sanitation infrastructure specifically designed for reducing the volume, dehydrating and compacting organic waste with high moisture content, such as kitchen waste, catering waste, and fruit and vegetable waste. It is usually located at the critical link between garbage collection and final treatment, effectively improving transportation efficiency, reducing treatment costs and minimizing the risk of secondary pollution.

 Core Function

The Wet Waste Compression Station is a specialized facility that processes organic waste with a moisture content of up to 70%-90% through hydraulic compression. The core of this facility is to convert loose, large-volume, and easily decomposable wet waste into high-density, low-moisture compact blocks, which are convenient for subsequent sealed transportation and resource utilization.

Reduced volume compression: The compression ratio reaches 1:3 - 1:5, reducing the volume by 60% - 80%, significantly lowering transportation costs.

Dehydration treatment: Extract 30% - 50% of the free moisture from the garbage, reducing the moisture content to 50% - 60%.

Harmless pre-treatment: Reduces odor dispersion, inhibits bacterial growth, and lowers the risk of leakage during transportation.

Standardized transportation: Press the loose garbage into standard blocks with a density of 0.7 - 0.9 tons per cubic meter, making it convenient for mechanized loading and unloading.

Resource utilization connection: Provides homogeneous raw materials for subsequent resource utilization processes such as composting and anaerobic digestion, improving processing efficiency.

Product Advantage 

Efficiency

Fast processing speed, with a single cycle taking 30-50 seconds. Daily processing capacity can reach several hundred tons.

High compression efficiency, reducing volume by 60%-80% and reducing the number of transportation trips by about 70%.

Environmental friendliness

Fully enclosed operation, effectively controlling the spread of odors

Collect and treat the leachate centrally to prevent leakage from contaminating the soil and water sources

Reduce the time of exposed garbage, inhibit the breeding of mosquitoes and flies and the spread of bacteria

Economy

The transportation cost is reduced by 60% to 80%, which is the most significant economic advantage of the wet waste compression station.

It extends the service life of transportation vehicles, reducing maintenance costs.

It lowers the rate of landfill space consumption and prolongs the service life.

Safety

Automated operation, reducing manual contact with garbage and lowering occupational health risks

Equipped with safety systems such as overload protection and fall prevention devices to ensure work safety

 Working Principle

Loading stage: The sanitation collection vehicle倾ts the wet waste into the hopper of the compression station. Some stations are equipped with bag-breaking and screening pre-treatment devices.

Pre-compression： The pre-pressure plate initially compresses the waste， expelling some air, preparing for high-pressure compression.

Main compression and dehydration： The main press head moves horizontally or vertically under hydraulic drive， firmly compressing the waste and squeezing out the filtrate， which is collected through a dedicated pipeline.

Circulating compression： Multiple compressions in succession until the desired density is reached.

Transfer connection： The compressed container is transferred to the treatment plant by a grab-arm vehicle or semi-trailer.

Filtrate treatment： The collected filtrate is pre-treated at the station and then connected to the urban sewage network or a dedicated treatment system.

 Technical Parameters

 Core Structure Composition

1. Main equipment

Compression unit: Core component, including horizontal press head, compression chamber, hydraulic cylinder

Garbage box: Mobile or fixed, with a volume of 8-23 cubic meters, equipped with a sealed door and an outlet for discharging

Loading system: Shifting hopper, lifting mechanism, with a volume of 2-2.5 cubic meters, facilitating vehicle dumping

Transfer platform: Used for switching between full and empty boxes, equipped with traveling wheel sets and positioning devices

2. Auxiliary systems

Hydraulic system: Provides power, including oil pump, cylinder, directional valve, etc.

Electrical control system: PLC control, enabling automated operation, with fault alarm and remote monitoring functions

Leachate collection system: Collection tank, sewage pipeline, oil-water separation device, preventing secondary pollution

Deodorization system: Spraying for deodorization

Cleaning system: High-pressure water gun, used for equipment and site cleaning, preventing odor residue

Application Scenarios

Urban residential areas: Serve communities and residential areas, handle domestic kitchen waste of residents

Commercial centers: Handle catering street, shopping malls, and supermarkets' catering and vegetable fruit waste

Industrial parks: Serve food processing enterprises, handle organic waste from the production process

Farmers' markets: Concentrate on processing residual vegetables, aquatic product waste, etc.

Large venues: Handle temporary wet waste generated by large-scale events such as convention centers and sports venues

Garbage transfer centers: As specialized units for organic waste processing in large transfer stations

The wet waste compression station, as a crucial part of the urban organic waste management system, effectively addresses the problems of large volume, difficult transportation, and potential pollution of wet waste through mechanical compression and dehydration processes. This significantly enhances the efficiency and environmental protection level of the waste collection and transportation system.

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