UA64930A - Sump - Google Patents

Abstract

The sump contains a tank and a conveyer. The magnetic system is located under the bottom of the tank. The upper branch of the conveyer belt passes above the bottom along the tank due to the rollers.

Description

The invention belongs to devices that separate suspended particles containing ferromagnetic impurities from liquid and can be used in metallurgy, mining and other industries.

Different types of settling tanks are known, in particular, horizontal, belt, and others listed below, which determine the technical level of settling tanks.

A well-known settling tank has a chamber with inlet and outlet nozzles, a belt conveyor, the belt of which is located in a zigzag manner in the chamber. (See USSR auto. certificate Mo801848, M. Cl. 3801021/00, 1981)

A well-known settling tank has a case with a conical bottom, on the outer surface of which there is an electromagnet that interacts with the inclined plane of the bottom. (See USSR auto. certificate Mo 1329797, M. Cl. 3 vo1021/24, 1986)

A well-known sump containing a tank, fluid supply and discharge nodes, a scraper conveyor, the scrapers of which are hinged to the conveyor. (See USSR auto. certificate Mo1105215, M. Cl. 3 VO1021/00, 1984)

In all of these clarifiers, gravitational force is used, which acts on the suspended particles not quite effectively.

According to most essential features, the last invention was chosen as a prototype for the proposed solution, because there are common features: a tank and a conveyor, in our solution, a container and a conveyor belt, or a conveyor.

The problem solved by the proposed settling tank is to increase the efficiency of the process of separating suspended particles that have ferromagnetic impurities from the liquid due to the application of combined gravitational and magnetic forces.

This is achieved by creating a relatively thin layer of liquid (by the magnitude of the action of magnetic forces) in a trough-like container, under the bottom of which a magnetic system is installed. The separation process is more efficient as the amount of ferromagnetic impurities contained in the suspended particles is increased. Ferromagnetic impurities are affected not only by gravitational, but also by magnetic forces, due to which the rate of deposition increases several times. In turn, ferromagnetic impurities, being deposited, drag other suspended particles to the bottom, which generally increases the efficiency of deposition. This is achieved thanks to the new design of the settling tank, the chamber of which is made in the form of a trough-like container under the bottom of which a magnetic system is located.

To explain the design and operation of the settling tank, drawings are given, where: Fig. 1 shows a longitudinal section of the settling tank; in Fig. 2 - a section along A-A in Fig. 1, that is, a cross section of the sump.

The sedimentation tank consists of a trough-shaped container 1 with inclined sides on the side of the entrance and exit of the conveyor belt 2. Under the bottom of the container there is a magnetic system 3. The conveyor belt 2 is stretched on the drive 4 and tension 5 drums through rollers 6. A calming chamber is installed at the entrance of the conveyor belt to the container 7, and cutouts are made at the exit, where the dampers 8 are located, which regulate the liquid level. A scraper 9 is placed near the drive drum 4, which is intended for cleaning the tape 2.

The sump works like this. With the help of the drive drum 4, the movement of the conveyor belt 2 is carried out. The upper branch of the conveyor belt 2 is immersed in the trough-like container 1 thanks to the rollers 6 and moves touching the bottom. The liquid being cleaned is fed into the stilling chamber 7, and then into the trough-like container 1. The liquid level is regulated by the shutters 8, which cross the cutouts in the side walls of the container 1: the liquid fills the container 1 to the upper edges of the shutters and overflows through them. In this way, the liquid moves in the same direction as the movement of the belt 2. The speed of movement of the conveyor belt 2 and the liquid to be cleaned are set to be equal to prevent the process of turbidity of the settled particles. Suspended particles moving along the trough-like container 1 and having ferromagnetic impurities settle on the conveyor belt 2 under the influence of gravitational and magnetic forces, which carries these particles from the trough-like container 1 to the unloading zone, where the scraper 9 cleans the belt 2. The upper layers of liquid are poured through adjusting the shutters 8.

Developed drawings of the proposed sump confirm its feasibility and operation.

OO, ra and. I A I / Sho / ich r go U y ! et ; Li! DES

Mountain 2 6/ 5 at

Fig. 1 and 8. « х х Ж ! x - yy

A. Nya

Eat it! KS, Ny

IN/

Fig. 7

Claims (1)

A sump containing a container and a conveyor, which is distinguished by the fact that a magnetic system is located under the bottom of the container, and the upper branch of the conveyor belt passes over the bottom along the container thanks to the rollers.