Installation of dry dust collection

 

(57) Abstract:

Usage: mining, machine tools for drilling wells. The inventive installation comprises a dust collector, the output of which through a cyclone connected to the suction inlet of the fan, fabric filter, regulator air flow. In the upper part of the dust collector is installed jet separator, and under the last - slotted divider flow. The latter is in the form of a grid of vertically mounted with clearance relative to each other over. The entrance of a fabric filter and jet separator is connected to control the air flow to the discharge outlet of the fan. 4 Il.

The invention relates to the mining industry, namely the setting of dry dust suppression on drilling rigs for drilling blast holes in open-cast mining.

Known installation of dry dust collection, including the mouth pulariani with a discharge pipe is connected to a flexible coal pipe, cyclone, dust collector with filter fabric, fan and air ducts [1] a Disadvantage of the known installation is the low efficiency of dust collection due to lack of funds, can not influence, obmennyi pipe connected with the inlet of the dust collector, the output of which through the cyclone in communication with the suction inlet of the fan connected to its discharge pipe with an airflow switch, and fabric filter (2). A disadvantage of the known device is the low efficiency of the dust during the drilling of rocks of different strength.

The purpose of the invention increase the efficiency of the facility during the drilling of rocks of different strength by reducing the dust load on the fabric filter and improve air purification from dust.

This is achieved by the fact that the unit is supplied installed in the upper part of the dust collector jet separator and blower flow divider positioned below the jet separator and in communication with the connected pipe pilipienka, with slotted divider made in the form of a grid of vertically installed with a gap relative to each other in corners, and edges of adjacent corners in opposite directions, and the entrance of a fabric filter and jet separator is connected to control the air flow to the discharge outlet of the fan.

In Fig.1 presents a schematic diagram ustanovka dry dust collection includes pulariani 1, reported connected by pipe 2 to the input 3 of the dust collector 4, input 5 through which the cyclone 6 is in communication with the suction inlet 7 fan 8 that is connected to its discharge pipe 9 with the regulator 10 air flow, and fabric filter 11.

The unit is supplied installed in the upper part 12 of the dust collector 4 jet separator 13 and slot flow divider 14, placed under the jet separator 13 and is in communication with the connected pipe 2 pilipienka 1. The entrance of a fabric filter 11 and the jet separator 13 is connected to control the air flow 10 to the discharge pipe 9 of the fan 8.

Fabric filter 11 is made with the dust collector 15 and a mechanism 16 for shaking the filter. Jet separator has a hole 17 for feeding upstream. Slotted divider 14 is in the form of a lattice of vertical mounted with clearance relative to each other over 18 and ribs 19 of the adjacent corners 18 are directed in opposite directions.

The device operates as follows. Dust-air mixture from the wells 20 enters pulariani 1 by means of the pneumatic system 21 of the machine. Fan 8 creates FilePlanet 1 discharge, which going on Neulevel 4 is divided into jet slot divider 14. When the movement of coarse particles lose their original speed, and with a jet separator 13 creates a veil of fine upward flow. When this occurs, the interaction of high-speed flow of purified air-dust mixture flowing out of the holes 17 of the jet separator 13, and out of the slot divider 14 flows untreated air-dust mixtures.

In the interaction of divergent streams provides damping of the velocity of dusty particles, resulting in their coagulation, the intensity of which increases due to the fact that the dispersion of particles in interacting threads are different. In the dust collector 4 is the deposition of dust in the dust collector 22, and the finest part of the air-dust mixture is sucked into the cyclone 6, where a further separation.

From the cyclone dust-air mixture then enters the fan 8, at the entrance of which the pressurized stream is divided by the regulator 10 of the flow into two streams, one of which is fed to the input of a fabric filter 11, and the other on the jet separator 13 to create an air jet of the veil.

In the initial period, when bandwidth is capable of being the focus of only a smaller part of the exhaust flow in the jet separator 13. As it is filled with dust device filters of thin clearing and increases its drag, the controller 10 of the thread set up so that a large part of the flow in the jet separator 13, to increase the efficiency of the device, thereby reducing the load on the filter.

Upon completion of the drilling cycle perform the shaking of a fabric filter mechanism 16, and then install again ready for operation.

Thus, the proposed device allows you to significantly improve efficiency in the drilling of rocks of different strength by reducing the dust load on the fabric filter and improve air cleaning from dust.

INSTALLATION of DRY DUST collection, including pulariani reported pipe connected with the inlet of the dust collector, the output of which through the cyclone in communication with the suction inlet of the fan connected to its discharge pipe with an airflow switch, and fabric filter, characterized in that, with the aim of improving efficiency in the operation of the unit during the drilling of rocks of different strength by reducing the dust load on the fabric filter and improve ochodaeidae thread posted under jet separator and in communication with the connected pipe pilipienka, with slotted divider made in the form of a grid of vertically installed with a gap relative to each other in corners, and edges of adjacent corners in opposite directions, and the entrance of a fabric filter and jet separator is connected to control the air flow to the discharge outlet of the fan.

 

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