RU2028419C1 - Device for cleaning water reservoirs and sapropel excavation - Google Patents

Abstract

FIELD: cleaning of water reservoirs. SUBSTANCE: pumping unit is made in form of two-stage chambers. Installed in the first stage is rod passed through tore which is arranged in chamber second stage filled with compressed gas. Installed in the second stage is driving drum connected with rod by rope. The first stage of chamber is communicated with suction and discharge pipes. EFFECT: higher efficiency. 1 dwg

Description

 The invention relates to the operation and maintenance of water bodies and can be used for their purification from humoid formations, including sapropel.

 A device with a vacuum grip for the development of viscous soil, containing a vertical cylindrical body, open from the bottom, connected by a hose through a fitting with a vacuum source screw pump [1]. Disadvantages: high energy consumption, design complexity due to the pump.

 As a prototype, a vacuum ditch cleaning machine containing a tubular frame in communication with a pump and a sump, a hydraulic elevator with a slag sleeve, connected in series with filters and a hydrocyclone, and a hydraulic washing mechanism were selected. The hydraulic washing mechanism breaks up the dense masses, forming a pulp, which is taken up by a slag-picking sleeve and is fed to the filters by a hydraulic elevator, and the pulp is taken and moved due to the vacuum created in the tubular frame when water is pumped out of it [2]. The disadvantages of the prototype: high energy intensity, design complexity due to the equipment included in the machine.

 The purpose of the invention is to reduce energy consumption and simplify the design.

 This is achieved by the fact that in the device containing the intake working element of the suction type with a pump unit for intake and removal of sapropel and a drive, the pump unit is made in the form of a two-stage sealed chamber, in the first stage of which (a smaller diameter) there is a rod passed through a torus, which in turn, it is located in the second stage of the chamber filled with compressed gas, and a drive drum is connected in it, connected by a cable to the rod. The first stage of the sealed chamber is communicated through check valves with suction and discharge pipes.

 By rotation of the drive drum, the rod is pulled towards it, displacing together with the torus, which is a sealant for compressed gas. As a result, a vacuum is formed in the first stage of the sealed chamber, as a result of which sapropel enters the formed cavity through the open valves of the suction pipes and fills it. When the drive drum stops, the torus tends to return to its original position under the influence of compressed gas, moves the rod and squeezes the sapropel through the open valve of the outlet pipe.

 The drawing schematically shows a General view of the proposed device in cross section.

 A device for cleaning water bodies and producing sapropel contains a two-stage sealed chamber, in the first stage 1 of which a rod (piston) 2 is installed, passed through a torus 3, located in the second stage 4 of the sealed chamber. It also has a driving drum 5, connected by a cable 6 to the rod 2. The first stage 1 of the sealed chamber is communicated through check valves 7 with suction pipes 8 and through a check valve with a discharge pipe. The second stage 4 of the chamber is filled with compressed gas.

 The device operates as follows. After moving it together with the compressor 1 to the place of development, the suction pipes 8 are buried in sapropel. By rotating the drive drum 5, a cable 6 is wound and the rod 2 is displaced from the first stage 1 of the chamber to the second stage 4. Simultaneously with the rod 2, the torus 3 moves and compresses the gas with which the cavity of the second stage 4 of the sealed chamber is filled. In the first stage 1, when the rod (piston) 2 is displaced, a vacuum forms, under the action of which the check valves 7 open, and through the suction pipes 8 the sapropel enters the cavity of the first stage 1 of the chamber. When filling the chamber, the pressure is equalized with the external environment, the valves 7 are closed. When the drive drum 5 stops, the cable is removed, the compressed gas, trying to restore the previous volume, presses on the torus 3, moving it to its original place, the rod 2 moves with it, squeezing the sapropel through the check valve that opens (at overpressure) into the outlet pipe. Having squeezed out the sapropel completely, the rod 2 takes its initial position. Next, the cycle of work is repeated.

 Using the proposed device reduces energy consumption for the intake and removal of sapropel, simplifies the design of the pump unit.

Claims (1)

 DEVICE FOR CLEANING RESERVOIRS AND SAPROPEL MINING, containing a suction-type intake working element with a pump unit for sapropel intake and removal and a drive, characterized in that, in order to reduce energy consumption and simplify the design, the pump unit is made in the form of a two-stage sealed chamber, in the first stage which has a rod installed, passed through a torus, placed in the second stage of the chamber filled with compressed gas, and it also has a drive drum connected by a cable to the rod, while the first stage is sealed ary chamber communicated via check valves with suction and outlet pipes.

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