SU925757A1 - Device for mining and removing soil under water - Google Patents

Description

(5) DEVICE FOR DEVELOPMENT AND REMOVAL OF GROUND UNDER WATER

The invention relates to soil harvesting devices and can be used by a diver in ship lifting, hydraulic engineering and other underwater work in cramped conditions and at considerable depths when the use of modern dredging equipment becomes ineffective or impossible.

A device consisting of a hydraulic ripper, an ejector, a pipe supplying the working fluid, a pipe to remove the pulp fl.

The absence of a protective grating on the ejector receiving opening leads to clogging of the opening by oversized inclusions and stopping work to clean it; the screen’s ejector receiving opening does not create a directional flow and protects the Lt suction zone of clean water; Install & loosen the yasadka at an angle to the direction of the jet

towards the receiving opening also reduces the efficiency of the soil sorter due to the removal of a part of the soil from the suction zone by the blasting stream.

It is also known a device consisting of a hydraulic ripper with a nozzle installed directly in front of the intake opening and directed forward, an ejector with a protective grid on the receiving opening, a pipe supplying the working fluid, pipes for removing the slurry. The device is equipped with jet nozzles for providing forward movement of C2J.

Claims (2)

Due to the lack of a device for washing the protective grill, the latter is clogged with soil and various inclusions, and for its cleaning it is necessary to stop the work; The absence of a screen to create a directional pulp flow and protect the suction zone from the flow of clean water reduces the efficiency of the soil sorter. The purpose of this invention is to improve the efficiency of the soil intake. The goal is achieved by the fact that a device for developing and removing soil under water, including a hydraulic baking powder, a pulp pipeline, an ejector with a protective grid and a water supply pipe, is provided with a truncated cone-shaped screen installed in front of the pipe and connected to the grid, water supply conduit pipe. has flush nozzles. The invention is illustrated in the drawing. The device consists of a loosening nozzle 1, an ejector, including an ejecting nozzle 2, a mixing chamber 3 with a screen at the end of a conical shape to create a directional flow of pulp and protect the suction zone from clean water, a protective grid 5 to shield the ejector receiving hole from oversized inclusions, diffusers 6, pipes 7, supplying the working fluid, with a collector 8. for distributing the liquid to nozzles 1 and 2 and flushing nozzle 9 to prevent the grating and the inlet opening of the mixing chambers from becoming blocked The ejector, the pipe 10 to remove the pulp, the handle 11 for the convenience of the diver. The device works as follows. The working fluid from the pump through pipe 7 enters the collector 8 and simultaneously loosens the soil through nozzles 1, turns it into pulp, and through nozzles 2 forms an ejecting jet, which is directed to the center of the inlet of the mixing chamber 3 of the ejector, creating a vacuum zone into as a result, the pulp is sucked into the mixing chamber, mixed in it with, the liquid of the ejecting jet and through the diffuser 6 enters the pipe 10 for removal through a flexible hose. The jet created by the nozzle 9 prevents the receiving opening of the mixing chamber 3 from being blocked, soil is removed from the grid 5, and the conical screen prevents the suction zone from flowing clean water and ensures a smooth and directional flow of pulp into the receiving opening of the mixing chamber. The diver holds the device by the handles 11, moving it in the necessary sequence to keep it in constant contact with the ground. The device can operate in vertical, inclined and horizontal positions. The effectiveness of the proposed device is expressed in increasing the productivity of divers in the development and removal of soil under water. The invention The device for the development and removal of soil under water, including hydraulic baking powder, slurry pipe, ejector with protective grill and water supply pipe, characterized in that, in order to increase the efficiency of the soil catcher, it is equipped with a screen having a truncated cone shape installed in front of the slurry pipe pipe and associated with the lattice, and the water supply pipe has a flush nozzle. Sources of information taken into account during the examination 1. USSR author's certificate number 76087 cl. E 02 F 3/88,. 2. USSR author's certificate number 67208, cl. B 63 C 7/28, 19 (prototype). ten eight / -t