SU1755959A1 - Arrangement for cleaning thin-film members of water clarifiers - Google Patents

Abstract

Usage: cleaning of thin-film elements from deposits in water purification devices. SUMMARY OF THE INVENTION: The device is mounted on the end surface of the thin-layer elements to be cleaned of deposits. The compressed air supplied to the cavity of the bell causes the valve to burst and the liquid is thrown into the thin-film elements being processed. Under the influence of the hydroimpulse pressure, the thin-layer elements come into oscillatory motion, which causes the vibration and deformation of the surfaces of the thin-layer elements and the separation of deposits from them. Deposits are carried away in the water source. After the pressure drops in the cavity of the bell, the check valves open and the liquid from the clarified water layer flows over the thin-layer elements to the bell before the pressure levels off. Compressed air pushes the liquid through the thin-layer elements in the direction of the water source. Compressed air exhausts should be periodically in automatic mode, 1C.p. f-ly, 1 sludge.

Description

The invention relates to the field of cleaning thin-film elements from deposits in devices for water clarification.

To clean the thin-film elements from deposits, a water jet tip is usually used, which is sequentially inserted into the channels, and is applied to the walls with hydrostatic jets. This process is inefficient and time consuming and is accompanied by repeated contamination of clarified water in the layer above the thin-layer elements.

The closest to the proposed device according to the technical solution and the effect achieved is a device of hydro-pulse cleaning of tubular wells (boreholes) containing a hollow body with

radial exhaust ports; a differential valve disposed at the end of the housing and fixed to the housing and surrounding the differential valve cup with radial holes on its side walls.

Such a device is also introduced into the tubular channel, which reduces its performance in the mass treatment of thin-layer (tubular) elements.

The aim of the invention is to improve the quality and productivity of cleaning thin-film elements.

This goal is achieved by the fact that in a device for cleaning thin-layer elements of water clarifiers, containing a hollow body with radial exhaust

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ABOUT

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windows, a differential valve placed at the end of the body and a glass with radial holes on its side walls mounted on the body and covering the differential valve; the glass is made in the form of a bell with an open bottom part, the bell is fixed on the body of the bottom of the differential valve, and the walls cover the exhaust ports of the casing, while the radial openings of the bell are equipped with check valves. The end surface of the bottom part of the device is equipped with a sealing cuff.

Such a device allows a hydro-impulse effect on an area that is 7-10 times as large as the area of processing thin-film elements by a curved device. Processing can be done by moving the device along the ends of the thin-layer elements. The specific consumption of the pulsed energy of the action, which causes shaking and vibration of the tubes, increases significantly. As a result, the removal of sediments is much more efficient. The working conditions of the maintenance staff are greatly facilitated.

The drawing shows a device for cleaning thin-layer elements, a general view.

The device comprises a hollow body 1 with radial exhaust ports 2 and a differential valve 3 placed at the end of the body 1. The housing 1 has a cup covering the differential valve 3, made in the form of a bell A with an open bottom part and radial holes 5 on the side walls provided with inverse valves b. The end surface of the bottom part of the bell 4 is provided with a sealing lip 7. The device is mounted on the end surface of the thin-layer elements 8 of the insulating device (not shown).

The device works as follows.

After installation of the device on the end surfaces of the thin-layer elements 8, compressed air is supplied to the housing 1. The pressure in it increases to the magnitude of the undermining of the differential valve 3. When compressed air exhausts into the cavity of bell 4, a pressure wave propagates through the fluid, and the expansion of the air bubble causes fluid to be ejected into the treated

thin-layer elements 8 (tubes), while the walls of the tubes experience a hydroimpulse effect, as a result of which they come into an oscillating state, and through their

cavities flow at high flow rates with variable flow rates leading to consistent harmonic expansions and constrictions of tube cavities. As a result of vibration and deformation

the surfaces of the thin-layer elements 8 separate the deposits that are carried away by the stream to the water source. Under the influence of the inertial motion of the fluid, the air bubble in the cavity of the bell 4 expands and the pressure in it drops below the hydrostatic one. Under the influence of a higher external pressure, the check valves 6 open, and the liquid A from the layer of clarified water over the thin-layer elements 8 begins to flow into the bell A before the pressure leveling off. A bubble of compressed air pushes the liquid through the thin-layer elements 8 in the direction of the water source. Compressed exhaust

air follow with a certain periodicity in automatic mode.

Cleaning of thin-film elements can be performed during the process of the clarifier without shutting it down for a while.

production cleaning works.

Compressed air generated, for example, by a single-stage mobile compressor, is used as a hydropulse working agent.

Claims (2)

1. A device for cleaning thin-film elements of water clarifiers, comprising a hollow body with radial exhaust windows, a differential valve placed at the end of the body and fixed to the body and covering the differential valve with radial holes on its side walls, characterized in that improving the quality and productivity of cleaning, the glass is designed as a bell with an open bottom part, and the bell is fixed on the body so that its bottom is located on the side of the differential valve, and the walls cover the exhaust window of the housing, while the radial openings of the bell are equipped with check valves. 2. The device pop. 1, characterized by the fact that the end surface of the bottom parts equipped with a sealing cuff. w / Jy //////