SU1603033A1 - Pneumatic filling installation for hardening mixes - Google Patents

Abstract

The invention relates to the mining industry and can be used to lay out the goaf. The purpose of the invention is to reduce unproductive costs to a tent and to improve the quality of a hardening array by equalizing the transport speeds of the aggregate and the tandem and transferring the solution to a tartar in an aerosol. For this, the pneumatic folding unit comprises a pneumatic folding machine connected to a pneumatic folding pipeline (TL) and a mixer in a binder and water. The latter is connected to the mortar pump (PH) communicated with the mortar. The plant is equipped with compressed air TP with a compressed air supply regulator and a chamber screw feeder of intermittent sand. Through rastvoprovod TP TP compressed air is connected to the outlet pipe PH. The outlet pipe of auger sand feeder is connected to the compressed air consumption regulator. Chamber screw feeder installed between the compressed air TP and PH. A filler is fed to the pneumatic setpoint TP and sent to the goaf. At the same time, the trap is mixed with water and fed to the solution through the PH. Compressed air is supplied to the solution in a water-bearing solution to produce an aerosol. The latter, via the solution line under the action of compressed air, is also fed into the developed space. Periodically disconnect the PH, stop the flow of the solution into the recipient, and introduce sand into the compressed air. 1 il.

Description

The invention relates to the mining industry and can be used in the mining of coal seams with hardening bookmark under the built-up surface.

The purpose of the invention is to reduce unproductive costs to the thrusting agent by equalizing the transport speeds of the aggregate to both the thrusting and the translation of the slurry solution into an aerosol.

The drawing shows the installation for solidifying mixtures.

A pneumatic stacking unit for hardening mixtures includes a pneumatic stacking machine 1 and an air-laying pipeline 2 attached to it for pneumatic transport of the aggregate, with the end section 3 of the pneumatic folding pipeline for turbulent displacement and the formation of a homogeneous solid mixture.

The input system to the recipient, which is included in the compressed air handling unit, consists of a feed hopper in the recipient 4, under which the dispenser 5 is installed, the tank 6 for water, the mixer in the commutator and water 7, the mortar pump 8 and the mortar 9.

To the mortar 9 at the point of its connection to the mortar 8, the compressed air line 10 is additionally connected with the air flow regulator 11. In turn, to the compressed air line

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air attached chamber feeder 12, filled with sand.

Pnevmozakladochnaya installation for hardening mixtures works as follows.

A large fraction stowing material of pit rock with a size of O-60 mm (playing the role of a filler in a hardening mixture) is fed into the pneumatic filling mash 1 and then transported via compressed air through the pneumatic folding duct 2 and further along the end section 3 of the pipeline equipped with side outlets sent to the worked-out area of the sewage disposal site to erect a hardening backfill array.

In tinder, for example low-grade cement, served by pneumatic from cement trucks in the feed hopper in twitch 4, equipped with a dispenser 5.

From the plumbing network, water is pumped into the tank 6 for water. The slurry and the water in a predetermined ratio flow into the mixer 7, where a transportable solution is formed into the slurry.

The solution is fed to the mortar pump 8 and under pressure it is sent to the mortar 9.

Dry bulk material, such as sand with a particle size of up to 5 mm, is loaded into the chamber feeder 12.

In the operating mode, the compressed air pipeline 10 through the flow controller 11 supplies compressed air to the solution pipeline 9 at the point of its interfacing with a sparking pump. The solution is transported in the form of an aerosol at a speed equal to the speed of the pneumatic transport of the aggregate, for example 30-40 m / s.

Periodically, especially at the end of the operating mode, the chamber feeder 12 is put into operation and sand is introduced into the compressed air stream, which is transported together with the solution, simultaneously clearing the pipeline walls from freezing scatter into a binder.

Due to the fact that the aggregate and the transport system are transported at the same speed, the time-consuming transport processes are achieved and the high quality of the hardening array is ensured.

Claims (1)

Invention Formula 15 A pneumatic folding unit for hardening mixtures, including a pneumatic filling machine connected to a pneumatic filling pipe, and a mixer in water and water, the outlet of which is connected to a mortar pump, communicated with a solution line connected to the end section of the filling and exhaust pipe, and a separate mixing pipe connected to the pneumatic filling system. in order to reduce overheads 25 in the treadmill and increase the quality of the hardening array by equalizing the transport speeds of the aggregate and the treading and transfer the solution into the treadmill into an aerosol, the installation is equipped with a compressed air pipeline with a flow regulator 30 air and a chamber screw feeder of intermittent sand, wherein the compressed air pipe through the solution pipe is connected to the outlet port of the mortar pump, the chamber screw feeder is installed between the discharge pipe and the mortar pump, and the outlet pipe of the sand feeder is connected to the outlet pipe of the air flow regulator . aggregate Into