RU92001U1 - ELECTROCOAGULATOR - Google Patents

Abstract

1. An electrocoagulator comprising a dielectric housing, equipped with nozzles for supplying contaminated and discharging treated water, a cathode and anode plate, divided into sections, a bulk particle electrode and an ultrasound generating device, characterized in that there is a shaft coaxial to it inside the cylindrical body, configured to rotation, on which sections of the bulk chip electrode are fixed in the form of sectors of dielectric grids with a gap between themselves and with the possibility of axial movement. ! 2. The electrocoagulator according to claim 1, characterized in that the ultrasound generating device is made in the form of sequentially arranged on the shaft, in the direction of the flow of water, a guiding apparatus and a hydrodynamic emitter, installed in pairs coaxially to the gaps between the sections of the bulk chip electrode. ! 3. The electrocoagulator according to claim 1, characterized in that after the sections of the bulk particle electrode, a profile annular cam is installed, in contact with which there is a rolling roller connected to the block section of the bulk particle electrode. ! 4. The electrocoagulator according to claim 1, characterized in that the block section of the bulk particle electrode is equipped with a return spring.

Description

The utility model relates to devices for treating industrial wastewater by electrocoagulation and can be used in the chemical, petrochemical industry, mechanical engineering, galvanic and electrochemical production.

Known devices of electrocoagulators with plate electrodes, for example, a vertical type electrocoagulator (V. A. Kolesnikov, N. V. Menshutina, “Analysis and design of technologies and equipment for wastewater treatment.” Moscow, De Lee print, 2005 - 266 p. 58-59, Fig. 2.13). The disadvantage of such electrolytic cells is the need for use and significant consumption of anodes from sheet material. This disadvantage is eliminated by the use of structures with bulk electrodes, where metal chips or scrap are used as anodes.

Known electrocoagulator by and.with. No. 1604748 (C02F 1/46, bull. No. 41, November 7, 1990), in which there is a dielectric housing and equipped with nozzles for supplying and discharging the treated solution. The cathode and anode plates and the chip electrode divided into sections are placed in the casing. Between the cathode and anode plates and sections of the chip electrode, dielectric protective nets are installed, and ultrasonic waveguides from the dielectric and ultrasonic emitters are placed under the electrodes. This device is taken by us as a prototype.

The disadvantages of the prototype are as follows: The complexity of the additional equipment in the form of an ultrasonic generator, emitters, consuming a significant amount of electricity. Ultrasonic vibrations propagating in the gaps between the sections of the chip electrodes clean the electrodes only from the surface, and the inner space of the chip mass is not cleaned of the oxide film and various deposits, which reduces the productivity of the process and the efficiency of coagulation decreases.

The technical result, which is achieved by the claimed utility model, is to increase the efficiency of the electrocoagulator: simplifying the design, reducing energy consumption and improving the quality of cleaning.

The technical result is achieved in that in an electrocoagulator containing a dielectric body, equipped with nozzles for supplying contaminated and discharging treated water, a cathode and anode plate, divided into sections, a bulk particle electrode and an ultrasound generating device, it is new that inside the cylindrical body it is coaxial to it there is a shaft made for rotation, on which sections of the bulk chip electrode are fixed in the form of sectors of dielectric grids with a gap between battle and with the possibility of axial movement.

The ultrasound generating device is made in the form of sequentially arranged in the direction of the flow of water, a guide vane and a hydrodynamic emitter arranged in pairs in a direction coaxial with the gaps between the sections of the bulk chip electrode.

After sections of the bulk particle electrode, a profile annular cam is installed, in contact with which there is a run-in roller connected to the block of chip electrode sections.

The block section of the bulk particle electrode is equipped with a return spring.

The essence of the claimed utility model is illustrated in figure 1 and figure 2, where:

Figure 1 - Electrocoagulator (longitudinal section).

Figure 2 - Electrocoagulator (cross section).

Here: 1 - housing; 2 - a directing apparatus; 3 - hydrodynamic emitter; 4 - electrodes; 5 - chip bulk electrode; 6 - run-in roller; 7 - profile annular cam, 8 - shaft; 9 - node rotation; 10 - a return spring.

The electrocoagulator is a cylindrical dielectric body 1, equipped with nozzles for supplying contaminated and discharging treated water, and contains insoluble plate electrodes 4 in the form of cathode and anode plates, sectioned bulk electrode 5, an ultrasound generating device, inside the body 1 coaxially to it rotation nodes 9, a shaft 8 is located on which sections of the bulk chip electrode 5 are fixed in the form of sectors of dielectric grids with a gap between themselves and with the possibility of axial displacement with the help of a return spring 9. The ultrasound generating device is made in the form of successively arranged on the shaft 8, in the direction of the flow of water, the guide apparatus 2 and the hydrodynamic emitter 3, paired coaxially to the gaps between the sections of the bulk particle electrode 5, after which a profile ring is installed cam 7, in contact with which there is a run-in roller 6, connected to the block section of the bulk particle electrode 5, which is equipped with a return spring 10.

Electrocoagulator works as follows. Contaminated wastewater enters the guiding apparatus 2, where it accelerates and runs faster at the hydrodynamic emitters 3 located after the slotted nozzles of the guiding apparatus 2 in the confuser channels. Hydrodynamic emitters begin to generate ultrasonic vibrations that propagate between the sections of the bulk chip electrode 5.

Simultaneously with the supply of liquid to the electrodes, the operating voltage is supplied and, under the action of an electric current, metal ions are released from the sections of the bulk chip electrode 5, which, being oxidized to hydroxides, saturate the treated liquid. Electric current to the sections of the chip electrode 5 enters through the electrolyte. Ultrasonic vibrations, propagating through the channels between the sections of the electrode 5, clean the electrodes of oxide film, organic pollutants, biofouling. When the shaft 8 is rotated with the electrode 5, the rolling roller 6 also rotates, which, rolling around the profile annular cam 7, periodically shakes the sections of the bulk chip electrode 5, which contributes to the mixing of its particles, and the process of electrochemical dissolution is intensified. Longitudinal movement of the electrode 5 provides a return spring 10.

Thus, in the proposed electrocoagulator, electrochemical coagulation is carried out by dissolving the bulk chip electrode, and this process is intensified by the application of ultrasound and periodic shaking.

Claims (4)

1. An electrocoagulator comprising a dielectric housing, equipped with nozzles for supplying contaminated and discharging treated water, a cathode and anode plate, divided into sections, a bulk particle electrode and an ultrasound generating device, characterized in that there is a shaft coaxial to it inside the cylindrical body, configured to rotation, on which sections of the bulk chip electrode are fixed in the form of sectors of dielectric grids with a gap between themselves and with the possibility of axial movement. 2. The electrocoagulator according to claim 1, characterized in that the ultrasound generating device is made in the form of sequentially arranged on the shaft, in the direction of the flow of water, a guiding apparatus and a hydrodynamic emitter, installed in pairs coaxially to the gaps between the sections of the bulk chip electrode. 3. The electrocoagulator according to claim 1, characterized in that after the sections of the bulk particle electrode, a profile annular cam is installed, in contact with which there is a rolling roller connected to the block section of the bulk particle electrode. 4. The electrocoagulator according to claim 1, characterized in that the block section of the bulk particle electrode is equipped with a return spring.