How to make a toilet in the basement

In the building basement to set up the bathroom is in the process of design will often meet the situation. At this time, in the bathroom no matter how much bathroom sanitary ware set up, the usual practice has two kinds of: one method is to set up a water collection pit under the basement floor, the sanitary ware sewage will be collected together, with a submersible sewage pump to lift the discharge to the outdoor underground sewage pumping wells; the other method is to the bathroom sewage are self-flowing sewage into the outdoor underground sewage pumping wells, with a submersible sewage pump to lift the sewage pump to discharge into the sewage checking wells near the pumping wells. The first method has three drawbacks: First, sewage has feces and other solids, long-term not cleaned up, easy to cause clogging; Second, due to the collection of shallow pits, according to the water level start, stop the operation of the submersible pumps are not very reliable; Third, the collection of pits of the airtightness is not good, there is a smell, health conditions are not good. The second method is to build pump wells outdoors, deeper, larger investment, management is not convenient. In addition, there will be encountered in the building bathroom set up up up and down dislocation, so that the bathroom is far away from the drainage riser, but the drainage riser can not be suspended in the floor under the situation, then the common method is to thicken the floor bedding, will be buried in the bedding drainage branch pipe to a certain slope from the floor above the drainage riser. Doing so the thickness of the mat is thicker, sometimes up to 350-400mm, to the use of the bathroom and the building layout brings difficulties. Here, to introduce a new device that can overcome these drawbacks --- with automatic lifting of sewage water function of the sewage lifter.