SU958266A1 - Feeder hopper - Google Patents

Description

one

The invention relates to hydrotransport of coal, rock, and various ores and can be used in the coal and mining industries.

A known hopper for bulk material contains a vertical chamber with pipes for feeding material and water and discharging the slurry 1.

However, in the known device with the opening of the outlet opening, the peri-C) unloading begins. The problem is that, like when unloading any loose bodies from bunkers and silos, depending on the cross-section of the outlet, the size and particle size distribution of the material (and to a lesser extent from other factors), the material periodically or hangs , due to the formation of a static vault, or flows out too intensively, to form a blockage in the slurry duct.2

The purpose of the invention is to increase productivity.

This goal is achieved by the fact that the hopper for bulk material containing a vertical chamber with a patent (54). BUNKER-FEEDER

Logs for feeding material and water and for discharging the slurry, fitted with a concentric case with a pipe fixed at its end with a suction mouth and loosely fixed on the pipe by means of the hub and levers with scrapers to prevent arching, while the discharge pipe is located at the top of the body and the pipe is mounted in the latter with the possibility of reciprocating movement for collecting the slurry from the surface of the loaded material. FIG. 1 shows the bunker, a general view; in fig. 2 shows section A-A in FIG. one; in fig. 3 - pipe with a bell.

The feeder hopper for bulk material loaded with dry material consists of Chamber I, built of reinforced concrete in the pillars of rocks, pipe 2 for unloading the material of the inspection hatch, closing the lid 3 with loading pipe 4, external slurry pipe 5, scraper 6, moving in guide 7 along the cylindrical part of the chamber intended to destroy the arching of the hub 8, in the axle of which it moves and

A pipe 9 with a socket 10 and protrusions 11 is held from lateral oscillations, between the depressions of which there is a transport upflow of water, LOWING pieces from. a layer of material into the pipe 9 and further into the slurry pipeline 5, a lifting chain or rope device, whose hydraulic or other engine 12 is taken out of the chamber, and the drive sprocket 13 or drum for winding the rope is inside the chamber.

The hopper feeder works as follows.

Before loading, the water from chamber 1 is drained before the drain pipe is mated with the shutter 14, and the water on the sheet is intended to dampen the impact of pieces of material on the bottom of the chamber. The closures 14-17 are closed, and the closure 18 is open for loading (the closure 16 is permanently closed, it opens mainly during repairs). When the chamber is in operation, the nozzle 4 is filled with crushed marble chips or other non-removable bulk material and is covered with a wooden circle, the movable pipe 9 with the socket 10 and the scrapers 6 is in the highest position.

After loading the entire volume of the chamber with crushed material, the shutter 18 is closed, the bell 10 is lowered onto the material layer, the shutter 17 opens, the pressure in the chamber is equalized with the pressure of the water conduit, the transport water flows between the depressions and the protrusions 11 of the bell 10 and the material surface. 9 pipe 2, the pipeline 5, to the place of discharge of the slurry into the hydraulic dump or into the worked-out space on the hydraulic insert. The spigot 10 with the pipe 9, and with it the scrapers 6 descend under the action of its own weight, following the reduction of the layer of material. When the socket is buried, a funnel of approximately a conical shape is formed in the material. In order that, with a large chamber diameter, the bead of the funnel does not fall on top of the bell and do not fall asleep, arbitrarily choose such dimensions, shape and number of scrapers 6, so the distance between them and the bell should be coordinated so that the arch is destroyed intentionally by the scrapers. For especially hard-to-wash materials and to wash out the overturned acute-cone bottom bottom of a large-diameter chamber from the tank, additional scrapers 19 should be used, placing them at the desired distance (in place). After the scrapers delayed approximately at the junction of the cylindrical part of the chamber with the tapered bottom, the tank capacity is lowered by lowering the pipe with the bell 10 until it is seated on the bottom of the chamber, which is facilitated by the pin in the hub 8 of the scrapers with a sufficient clearance for the smooth movement of the tube 9.

Upon completion of the washout, the end protection of the telescope is turned on, the engine 12 is turned on automatically or remotely (manually), the pipe rises up, and with it the socket 10, scrubbing 6 to the starting position to repeat the working cycle.

The proposed hopper allows an increase in productivity compared with the prototype.

Claims (1)

Invention Formula Bulk feeder for bulk material containing a vertical chamber with nozzles for feeding material and water and for discharging a slurry, characterized in that, for the purpose of boosting. performance, it is fitted with a concentric case with a pipe fixed at its end with an intake socket and loosely fixed on the pipe by means of hubs and levers with scrapers to prevent arching, while the discharge pipe is located in the upper part of the case and the pipe is mounted in the latter with reciprocating movements for collecting the slurry from the surface of the loaded material. Sources of information taken into account during the examination 1. USSR Author's Certificate No. 152197, cl. B 65 B 53/38, 1962. NY Figure 1 ,four 1g // 5