![]() The emerging heat can result in an unwanted spontaneous combustion. With suitable dimensioning the structure fits under the worktop. With this arrangement, small systems for the kitchen can be realized, in which mainly organic kitchen waste is rotten. A check valve prevents air flow in the wrong direction during times when the blower is not running. The exhaust air escapes through the sewage pipe. the blower pushes room air into the silo. The supply air is taken directly from the room air via a blower, i.e. It is sufficient to connect the system to the sewage network. Therefore, it will be described here how a compost heating silo can be realized without an inlet air pipe. In rented apartments, you usually can't just make a large hole through the roof or the outer wall. In contrast to a dry toilet the excreta are processed in a wet environment and therefore are much faster decomposed. If build correctly, the slight vacuum from the ventilation pipes prevents any smell in the house, which is better than any other toilet system.įor convenience the toilet input is located on the upstairs floor, where the regular biomass inlet is combined with a toilet seat.The additional biomass adds to the heat energy for the house warming.The outlet water contains valuable minerals and can be directly used as liquid fertilizer for the garden. The resulting inorganic matter (water, CO2) does not polute the environment.No connection to a public sewage canal is required, because this is a standalone system.The combination of a compost heater silo with a toilet function provides a number of advantages: The decay process breaks down the excreta before it can reach the bottom of the silo, so it works as a small biological clarification plant. Additional biomass (feces and urine) can be added. The silo is filled with waste biomass (chipped wood, etc.), which is the basis of the wet decay process. The system serves as a heater and a toilet at the same time. The compost heater silo can be expanded to an integrated compost heater toilet system. The system has been working since September 2017 and is doing very well.Ĭompost heater silo with additional toilet function inside a dwelling house It serves for research on the features and their optimization. Prototype of size 300 liter for a feasibility study. For calculations refer to the respective paragraph in compost heater. For example, the House-in-a-House concept is suitable for it due to the very low heating requirements. The size of the compost heater silo must be adapted to the actual heat energy demands of the building. Although foul-smelling the air contains enough oxygen for the well-being of the microbes and invertebrates.Ĭonditions of Usage Usually, there is warm air rising from a waste water canal. ![]() The construction utilizes the venting of the canal while adequately prevents influx of waste water into the silo.
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