SU1079612A1 - Apparatus for purifying liquid - Google Patents

Abstract

A CLEANING DEVICE FOR LIQUID, including a body with devices for supplying contaminated and draining purified water and vertical electrodes located inside the body, characterized in that, in order to increase reliability and increase productivity, the device is equipped with a vertically hinged shield located under the electrodes and parallel to the shield with a horizontal tube with nozzles directed toward the shield.

Description

FIG. 1 Chalking is related to wastewater treatment and can be used in wastewater treatment of steel mills. A known water purification apparatus consisting of a housing, devices for supplying and discharging water, and containing inside vertical plate electrodes G 1. A disadvantage of this device is the deposition of sediment under the electrodes. Therefore, to remove sediment from the device, it is necessary to disassemble the electrodes with the main process stopped. This reduces the settler utilization rate to 50%, which is equivalent to reducing its annual capacity by 2 times. The purpose of the invention is to increase the reliability of operation and increase the productivity of the device due to its more efficient use. The goal is achieved by the fact that a device for cleaning a liquid including a housing with devices for supplying contaminated and draining purified water and vertical electrodes located inside the body is equipped with a vertical shield placed under the electrodes attached to the joint and a horizontal pipe parallel to the shield with nozzles directed towards the shield. FIG. 1 shows a device for a long section; figure 2 is the same, the view in the plan; FIG. 3 shows a shield location assembly; in fig. 4 is a view A of FIG. The device consists of a rectangular carbon casing 1 having devices 2 and 3 for supplying contaminated and draining clarified water. A silo 4 for sludge is located under the inlet device. In the middle part of the device, the plate electrodes 3 are vertically mounted at some distance from the bottom. Under the electrodes 5, a shield 6 with frame 7 is hinged at the hinge and 1Dit 6 with cables 8 and the winch 9 can be deflected towards the bunker 4 In the working position, the shield 6 adjoins the frame 7, installed from the ron opposite to the bunker, at an angle of 1-5 ° to the vertical. Under the electrodes 5, on the side opposite to the bunker, at some distance from the bottom, is installed parallel to the shield of 22 horizontal pipe 10 with nozzles directed toward the shield 6. The device operates as follows. Water enters housing 1 through device 2 for supplying water. Large particles of suspended matter fall out in the bunker 4. At the same time, the pit 6 is almost in a vertical position, close to the weight of the frame 7 under the weight of its own weight, as a result of which water with remaining contaminants passes only through the gaps between the electrodes 5. The density of the shield adjacent to The frame is provided by installing it at an angle of the vertical. As a result of electro-treatment, favorable conditions are created for the flocculation of particles. The formed floccules fall to the bottom of the device. The clarified water is removed through the fixture 3. From the bunker 4, as well as in the area between the electrodes 5 and the fixture for draining the water 3, the deposited sediment is removed by a grab (not shown). Sediment deposited under the electrodes is removed in the following way. With the help of cables 8 and winch 9, shield 6 is deflected towards the bunker 4, and sediment is washed off into the bunker with water supplied under pressure from nozzles mounted on a horizontal pipe 10. Thus, thanks to the presence of a shield all the water passes through the electrodes and is subjected to electrical treatment. At the same time, it is possible to turn the shield and with the help of a pipe with nozzles directed towards the shield, wash the sediment out from under the electrodes. This makes it possible to increase the reliability of the device and significantly increase its utilization factor. In the absence of a shield and pipe for flushing the sediment, the liquid cleaning device must empty every 3-5 days for cleaning the interelectrode space, i.e. 33-20% of the time this device is idle and its use is 67-80%. The presence of a vertical shzit installed under the electrodes and mounted on a hinge, as well as a horizontal pipe parallel to the shield with nozzles directed toward the shield, allows for removal

sediment from under the electrodes without shutting down said device, i.e. utilization rate brings it up.

 almost 100%, which is equivalent to an increase in the annual performance of the device.

.

45, f

in g

FI.5

Vida

S

h h

CX

fie.

Claims (1)

A LIQUID CLEANING DEVICE, including a housing with devices for supplying contaminated and discharging purified water and vertical electrodes located inside the housing, characterized in that, in order to increase reliability and increase productivity, the device is equipped with a vertically hinged shield placed under the electrodes and a horizontal pipe located parallel to the shield with nozzles directed towards the shield.