一、贮粪池：贮粪池由二根过粪管连通的三个格室的密封池组成。根据其主要功能依次可命名为截留沉淀与发酵池、再次发酵池和贮粪池。三池之间由过粪管连接。有斜插管及倒U形、L形管等，但以斜插管为首选。过粪管采用内径为100—150mmPVC塑料管为宜，也可以用水泥预制、陶管等其它材料、要求内壁光滑。为防止堵塞，考虑粪池的大小与流量，可适当增加过粪管的数量。

First, the septic tank: the septic tank is made up of two sealed pools with three compartments connected by the fecal tube. According to its main functions, it can be named sequentially precipitated and fermented pool, re fermentation pond and septic tank successively. The three pools are connected by a fecal tube. There are oblique cannula and inverted U shape, L tube, etc., but oblique cannulation is the first choice. It is advisable to use the inner diameter 100 to 150mmPVC plastic pipe, and other materials such as cement precast, clay pipe and so on. In order to prevent clogging, considering the size and discharge of septic tanks, the number of excrement tubes can be increased properly.

二、便器、盖板、清渣口、出粪口：便器一般可采用节水型便器。可以是坐便器也可以是蹲便器。第一格化粪池盖顶留有进粪口和清渣口，进粪口上安装便器，进粪管可采用内径为150mm的PVC塑料或其它管材，要尽量远离过粪口，并紧贴池壁，以减少水冲力对池内的扰动。在安装便器时可不用水泥固定死，进粪口也可作为清渣口。用防溅式直通便器和水封便器则不必下接进粪管第二池顶应密封，但也要留有清渣口，第三池盖顶留有出粪口，出粪口用盖密封。

Two, toilet, cover, slag, Chufenkou: general use of toilet water saving toilet. It can be a stool or a squat. The top of the first septic tank covers the dung mouth and the dregs mouth, and the fecal inlet is installed on the dung mouth. The intake pipe can use the PVC plastic or other pipe with the inner diameter of 150mm. It should be far away from the dung and stick to the wall, so as to reduce the disturbance in the pool. When the toilet is installed, it can be fixed without cement, and the excrement mouth can also be used as a slag removal port. The spatter type and water sealing device should not be sealed at the top of the second pool of the dung pipe, but there is also a slag cleaning mouth, the top of the third tank is left with the dung opening, and the manure is sealed with the cover.

三、其它配套物品：洁净卫生纸存放箱，便纸篓、扫帚及刷子，盛水器皿、照明设施、通风设备等。

Three, other supporting items: clean toilet paper storage box, toilet basket, broom and brush, water containers, lighting facilities, ventilation equipment and so on.

在城市生活区内置化粪池是为了积取肥料，随着城市的进展和环境污染的加剧，化粪池对保护水体起到了积极作用，如今，化粪池已经成为环境保护的基本措施之一。

In urban living areas, septic tanks are built in order to accumulate fertilizer. With the progress of the city and the aggravation of environmental pollution, septic tanks have played an active role in protecting water bodies. Now, septic tanks have become one of the basic measures for environmental protection.