RU82210U1 - SILT WATER FOR INSTALLING BIOLOGICAL SEWAGE TREATMENT - Google Patents

Abstract

1. Sediment tank for a biological wastewater treatment plant, containing a hollow body open at the top and bottom, tapering downward and having four side walls, and a damper pipe located in the body, characterized in that the body walls are formed by two adjacent walls of the biological treatment plant tank, a dividing wall located inside the container, and an inclined partition installed between one of the said walls of the container and the dividing wall. ! 2. Sediment tank according to claim 1, characterized in that the damper tube is fixed on the dividing partition and the vessel wall opposite to it. ! 3. Sump according to claim 2, characterized in that the damper pipe is fixed by means of a tube passing through the holes in the upper part of the damper pipe and lying on supports fixed on the dividing partition and the vessel wall opposite to it.

Description

The utility model relates to the structural elements of biological treatment plants for sewage of separate industrial and civil buildings.

Known sump containing a housing with inclined walls with fixed pipe of the damper and the process pipe. The housing of the sump is located in the tank of the biological sewage treatment plant (aerotank) and is made in the form of a box-shaped shell in the form of a rectangular truncated pyramid with open larger and smaller bases, while on the side of the larger base of the pyramid the edges of two adjacent walls are located below the opposite adjacent walls, and the technological pipeline is fixed on the outside of the sump (RU 54936, publ. 2006).

The disadvantage of this analogue is the complex design and bulkiness, as well as the difficulty in maintenance and low efficiency during operation. In addition, such a sump is inconvenient in the manufacture and installation, as well as during maintenance and repair. The bottom opening of the sump can be clogged with sludge.

The objective of the utility model is to create a simpler design of the sump, which reduces the material consumption of the installation and the absence of clogging of the lower hole.

The problem is solved in that the sump contains a hollow body open at the top and bottom, tapering down and having four side walls, and a damper nozzle located in the housing, while the housing walls are formed by two adjacent walls of the biological treatment plant’s tank, a dividing wall located inside the tank, and an inclined partition installed between one of the aforementioned walls of the tank and a dividing partition.

This design of the sump ensures a reduction in material costs by using the elements of the capacity of the biological treatment plant to form its body, as well as eliminating the clogging of the elongated lower opening of the sump due to the increase in its size and improvement of its geometry due to the indicated design and location of its walls.

For the appropriate use of the internal space of the sump and to increase the reliability and simplicity of its design, the damper pipe can be fixed on the dividing wall and the opposite wall of the tank. In the particular case, the damping pipe can be fixed by means of a tube passing through the holes in the upper part of the damping pipe and lying on the supports fixed to the dividing wall and the opposite wall of the container.

The utility model is illustrated by drawings.

Figure 1 shows a longitudinal section of the sump in the tank of the biological treatment plant, figure 2 is a cross section of the sump.

The sump body is formed by two adjacent walls 1 and 2 of the tank 10 (aerotank) of the biological treatment plant, a vertical dividing wall 3 located inside the tank 10, and an inclined baffle 4 installed between the wall 1 and the dividing wall 3. The tank 10 and these partitions are preferably made of polypropylene and connected by welding.

A damper pipe 5 is installed inside the sump body, which is fixed by means of a pipe 6, preferably polypropylene, passing through an opening in the upper part of the damper pipe 5 and lying on the supports 7, 8 mounted on the dividing wall 3 and the opposite wall 1 of the biological treatment plant capacity. In the upper part of the housing of the sump, for example, a pipe 9 is cut into the wall 2 for the outlet of treated effluents.

In working position, the sump is open at the top and bottom. During operation, the sludge mixture enters the sump through the damper pipe 5 while the sump is hydraulically connected through the lower hole to the rest of the tank 10 — the aeration tank of the biological treatment plant. During sedimentation in the sludge tank from the sludge mixture, the sludge leaves the sludge tank through the lower hole. Purified water from sludge in the form of a clarified layer formed in the sump, is pumped to the outlet from the tank 10 through the tube 9.

Using the proposed utility model allows to simplify the manufacture and installation of the sump, to reduce material consumption, to ensure reliable and tight connection of the sump to the body of the biological treatment plant, and to increase the efficiency of the biological treatment plants of domestic sewage.

Claims (3)

1. A sump for a biological wastewater treatment plant, comprising a hollow body open at the top and bottom, tapering downward and having four side walls, and a soothing pipe located in the housing, characterized in that the housing walls are formed by two adjacent walls of the biological treatment plant tank, a dividing wall located inside the tank, and an inclined partition installed between one of the mentioned walls of the tank and the partition wall. 2. The sump according to claim 1, characterized in that the pipe damper is mounted on the dividing wall and the opposite wall of the tank. 3. The sump according to claim 2, characterized in that the damper pipe is fixed by means of a tube passing through the holes in the upper part of the damper pipe and lying on the supports fixed to the dividing wall and the opposite wall of the tank.