Beijing Direct Discharge Mobile Toilet

There are mainly two types of direct discharge mobile toilets in Beijing: water-flush direct discharge type and direct discharge mobile toilets (non-water-flush, microbial treatment), each with its unique operating principles and environmental advantages.

Water-flush Direct Discharge Type

• Operating Principle: This type of toilet operates based on independent water supply and drainage units. The water supply usually comes from a built-in water storage tank, and a pressure pump is used to create a controllable water flow for flushing. It integrates key components such as low water consumption flush valves, and its working mode is optimized through fluid mechanics to generate an effective flushing force under low water pressure. The drainage unit is directly connected to the municipal sewage network, enabling the immediate transfer of sewage and eliminating the reliance on traditional septic tanks.
• Environmental Advantages: Sewage directly enters the urban sewage treatment system, where it undergoes standardized treatment processes such as biodegradation and disinfection, ultimately achieving compliant discharge. This reduces the potential pollution risks to soil and groundwater. Additionally, it has the ability to effectively integrate as an end node of the urban sanitation system, incorporating scattered sewage into a centralized treatment system through standardized engineering interfaces, serving as a flexible extension of the municipal service network.

Direct Discharge Mobile Toilet (Non-water-flush, Microbial Treatment)

• Operating Principle: The collection device consists of a sealed tank and a specific pipeline connection structure. The bottom of the tank is equipped with an inclined diversion layer to guide the collection of excreta by gravity. The internal treatment process involves the synergy of solid-liquid separation and microbial action. The solid portion is temporarily stored in containers made of biodegradable materials, while the liquid portion flows into an independent chamber, where specific microbial communities decompose the organic components. During the transfer and disposal stage, a modular design is adopted. The collection unit can be removed as a closed module and transported to a treatment center. There, the solid portion undergoes high-temperature composting, and the liquid portion undergoes secondary biological filtration.
• Environmental Advantages: It consumes zero water resources, operating entirely independently of the water supply and drainage network, and does not occupy municipal water supply quotas, making it highly significant in areas with weak infrastructure or temporary venues. The material conversion efficiency is high, as nitrogen and phosphorus elements in excreta are converted into more stable compound forms during the biological treatment process, reducing the loss and pollution caused by the rapid release of traditional fertilizers. The energy consumption mode is optimized, with the system mainly relying on gravity flow and biochemical reactions for operation, requiring only a small amount of mechanical energy consumption during venue changes, etc. The comprehensive energy consumption per unit of treatment is less than one-fifth of that of a network-based sewage treatment system.

Beijing Shunxi Yijie Technology Co., Ltd. provides sales and leasing services for such mobile toilets.