The invention provides a modularized energy-saving spatial formula
sewage treatment device used for multi-floor buildings. The modularized energy-saving spatial formula
sewage treatment device comprises an external container, an internal container, a support module, a filter layer, a water
distributor and a
breather pipe. The support module is used for supporting the internal container so that the internal container and the external container can be separated to form a
water storage space between the external container and the internal container. The water
distributor is used for introducing
sewage in the filter pack of the internal container, a row or several rows of apertures can be opened on the water
distributor. The
breather pipe is used for sucking air into the filter pack by depending on negative pressure generated in the
water storage space when the draining is carried out in the
water storage space. In addition, the invention also provides a modularized energy-saving spatial formula
sewage treatment system by using the modularized energy-saving spatial formula
sewage treatment device, the
system comprises at least one
sewage treatment device, a sewage collecting
pipe, a filter, a floor drainpipe and a lower layer drainpipe. The device and the
system have the advantages of energy saving and
environmental protection, less
land occupation, no pumping requirement, and convenient cleaning and maintenance.