SU785207A1 - Settler - Google Patents

Description

one

The invention relates to devices for separating suspensions under the action of gravitational forces, namely, settling tanks, and may find application in the field of wastewater treatment in the livestock, hydrolysis, food and chemical industries.

The known settling tank used for segregation of wastewater from livestock farms. The sewage tank contains a cylindrical body, a supply of original suspension, made in the form of a cylindrical shell mounted on the center of the body with a lid and a branch pipe, and an auger for sludge center output.

A disadvantage of the known settling tank is the high humidity of the discharged sediment.

The aim of the invention is to increase the separation efficiency by increasing the degree of sludge dewatering.

The goal is achieved by the fact that 25 the upper part of the auger casing is perforated and provided with a chamber for draining the pressed water installed on the cover of the cylindrical shell.

The sump contains a cylindrical housing. 1 with overflow tray

2dl discharge clarified fAy. Inside the housing 1 there is a device (the device for the initial suspension, made in the form of a cylindrical shell

3 with a lid and nozzle 4. In the center of the housing 1 there is an auger 5 for outputting an osskah enclosed in a casing 6. The upper part of the auger casing 6 is perforated and provided with a cylindrical Chamber 7 for draining pressed water installed on the barrel of a cylindrical shell 3. Auger

5 is driven in rotation by a drive 8. Tray 9 serves to drain the sediment.

The sump works as follows.

The initial suspension through the pipe 4 is fed into the shell 3 and then into the housing 1. Under the action of gravitational forces, particles of the bottom-vapor phase are released from it, forming sediment in the lower part of the housing 1. The sludge is transported by the screw 5 to the discharge chute 9. In the upper perforated part of the burner b of the screw 5, the sludge dewaters. In this case, the water from chamber 7 is depressed and enters the shell 3, from where, together with

Claims (1)

A sump containing a cylindrical-conical housing, an inlet of the initial suspension, made in the form of a cylindrical shell mounted in the center of the housing with a lid and a nozzle, and a screw enclosed in a casing for withdrawing sludge, characterized in that, in order to increase efficiency separation of the suspension due to an increase in the degree of sludge dehydration, the upper part * of the housing is perforated and equipped with a chamber for draining the extracted water mounted on the cover of the cylindrical shell.