CN201008775Y - Large air volume combined filter cartridge dust collector - Google Patents

Abstract

A large air volume combined filter cartridge dust collector, which includes a plurality of dust collector units arranged in parallel, each unit is divided into a clean air chamber (6) and a dust sedimentation filter chamber (11) by a transverse partition (9) , a dust collection chamber (13) is arranged at the bottom of the dust settlement filter chamber, and the ash outlets located under each dust collection chamber are respectively connected with the screw conveyor (16) through the dust discharge valve (14); the dust settlement filter of each unit The chamber communicates with the dust-laden air inlet (15) through the decelerating air duct (12); multiple groups of filter cartridges (10) for filtering dust are arranged in the dust settlement filter chamber of each unit, and the bottom surface of the filter cartridge is closed, and the upper end It is fixed on the partition (9) through the installation plate and the sealing strip and communicated with the clean air chamber; the side wall of the clean air chamber of each unit is provided with an air outlet (7), and the air outlet is equipped with a poppet valve (4); A blowing device is arranged above the clean air chamber of each unit; the blowing device is connected with the inner cavity of the clean gas chamber through a blowing pipe (3).

Description

Large air volume combined filter cartridge dust collector

technical field

The utility model relates to a large-scale industrial factory and mine dedusting technology, specifically a large air volume combined filter cartridge deduster.

Background technique

One of the main methods of industrial dust removal by filtration and dust removal, only small-sized single-unit integral filter cartridge dust collectors can be seen on the market now, which is far from meeting the large-area (5000 m2 or ^more ) dust removal needs of large-scale enterprises such as power plants, smelters, and steel mills. .

Contents of the invention

The purpose of this utility model is to overcome the disadvantages of the above-mentioned prior art and provide a more scientific and reasonable result, which has a large filtering area, and is easy to operate and maintain, and is suitable for a large air volume combined filter cartridge dust collector.

The purpose of this utility model can be achieved through the following measures:

This new type of large air volume combined filter cartridge dust collector includes multiple dust collector units arranged in parallel. Each unit is divided into a clean air chamber and a dust sedimentation filter chamber by a transverse partition. Dust collection chamber, the ash outlet located under each dust collection chamber is connected to the screw conveyor through the dust discharge valve; the dust settlement filter chamber of each unit is connected to the dust air inlet through the deceleration air duct; in each The dust settling filter room of the unit is equipped with multiple groups of filter cartridges for filtering dust. The bottom surface of the filter cartridge is closed, and the upper end is fixed on the partition plate through the connecting piece and the sealing strip and communicated with the clean air chamber; the side of the clean air chamber of each unit An air outlet is provided on the wall, and a lift valve is installed at the air outlet; a blowing device is arranged above the clean air chamber of each unit; the blowing device is connected with the inner chamber of the clean air chamber through a blowing pipe.

The number of blowing pipes described in the utility model is the same as the number of filter cartridges. The blowing device includes an air bag and a blowing pipe connected through a pulse valve.

The working principle of the utility model is as follows:

When the dust-laden airflow enters the decelerating air duct from the air inlet, the airflow is decelerated and evenly distributed into the dust sedimentation filter chamber of each dust removal unit. Smaller dust is blocked on the outer surface of the filter cartridge when it passes through the filter cartridge with the air flow, and the purified gas enters the clean air chamber of the unit and is discharged through the air outlet; in order to remove the accumulated dust on the surface of the filter cartridge, an instruction can be issued through the control system Close the lift valve at the air outlet of the unit, and at the same time open the pulse valve in the unit in sequence, so that the compressed air in the air bag is ejected at high speed through the blowing pipe, and at the same time induces the surrounding air several times the amount of the injected air to enter the cavity of the filter cartridge, forming a flow from the inside to the outside The high-speed airflow makes the dust accumulated on the outside of the filter cartridge blown down by the high-speed airflow and settles into the dust sedimentation filter chamber, and finally released through the ash discharge valve, and discharged by the conveyor. Each unit is cleaned in sequence by the control system according to the programmed program, without shutting down the entire dust removal system.

The dust collector of the utility model can be combined arbitrarily according to the actual needs of the project, not only applicable to large-scale (5000 m2 or ^more ) dust removal requirements of large-scale enterprises such as smelting furnaces, kilns, and steel mills, but also can meet the needs of >18000 m2 ^or more The demand for dust removal in power plants.

Compared with the prior art, the utility model not only has the advantages of a more scientific and reasonable structure, but more importantly, it has the characteristics of large filtration area, small pressure loss, good dust cleaning effect, and easy operation and maintenance.

Description of drawings

Fig. 1 is the front view of the utility model.

Fig. 2 is a sectional view along A-A of Fig. 1 .

Detailed ways

The utility model will be further described below in conjunction with embodiment (accompanying drawing):

As shown in Figures 1 and 2, the large air volume combined filter cartridge dust collector of the present invention includes a dust collector housing (5), and the inner chamber of the dust collector housing is divided into multiple units by vertical partitions (8), Each unit is an independent dust collector; each unit dust collector is divided into a clean air chamber (5) and a dust sedimentation filter chamber (11) by a transverse partition (9), and the bottom of the dust sedimentation filter chamber (11) is provided with Dust collection chambers (13), the ash outlets located below each dust collection chamber (13) are respectively connected to screw conveyors (16) through ash unloading valves (14); the dust settlement filter chambers (11) of each unit pass through The fast air channel (12) is connected with the air inlet (15) of the dust-laden air flow; in the dust sedimentation filter chamber (11) of each unit, there are many groups of filter dust filters folded and rolled by polyester fibers. Cartridge (10), the bottom surface of the filter cartridge is closed, the upper end is fixed on the partition (9) through the connecting flange and the sealing strip and communicated with the clean air chamber (6); the side walls of the clean air chamber (6) of each unit There is an air outlet (7) on the top, and the air outlet (7) is equipped with a poppet valve (4); above the clean air chamber (6) of each unit, there is an air bag (2) and a pulse valve (1) and The blowing device is composed of blowing pipes (3) connected to the air bag (2); the blowing device is connected to the inner cavity of the clean air chamber (6) through the blowing pipes (3) having the same number as the filter cartridge (10).

When the dust-laden airflow enters the deceleration air duct (12) from the air inlet (15), the airflow is decelerated and evenly distributed into the dust settlement filter chamber (11) of each dust removal unit. At this time, the coarser dust particles are separated from the airflow. Settled into the dust collection chamber (13), and the dust with smaller particle size is blocked on the outer surface of the filter cartridge (10) when passing through the filter cartridge (10) with the air flow, and the purified gas enters the unit clean air chamber (6) Finally, it is discharged through the air outlet (7); in order to remove the accumulated dust on the surface of the filter cartridge (10), the control system can issue an instruction to close the poppet valve (4) at the air outlet of the unit, and at the same time open the pulse valve (1) in the unit in sequence, so that The compressed air in the air bag (2) is ejected at high speed through the blowing pipe (3), and at the same time induces the surrounding air several times the amount of the injected air to enter the hollow cavity of the filter cartridge (10), forming a high-speed airflow from the inside to the outside, so that the accumulated air in the filter The dust outside the cylinder is blown down by the high-speed airflow and settles into the dust collection chamber (13), and finally released through the dust discharge valve (14), and discharged by the conveyor (16).

Claims (3)

1. one kind big air quantity combined type filter cartridge dust remover, it is characterized in that: it comprises a plurality of deduster unit that are provided with parallel way, each unit is separated into air-purifying chamber (6) and dust settling filter chamber (11) by diaphragm plate (9), be provided with dust storage chamber (13) in dust settling filter chamber (11) bottom, the ash hole that is positioned at each dust storage chamber (13) below is connected with conveying worm (16) respectively by unloading valve (14); The dust settling filter chamber (11) of each unit is connected with dust-contained airflow air inlet (15) by reduction of speed air channel (12); In the dust settling filter chamber (11) of each unit, be provided with the filter cylinder (10) of many group Chalk-dust filterings, this filter cylinder bottom surface sealing, the upper end is fixed on dividing plate (9) by connector and sealing strip and upward and with air-purifying chamber (6) is connected; The sidewall of the air-purifying chamber of each unit (6) is provided with air outlet (7), and air outlet (7) is equipped with lift valve (4); Top at the air-purifying chamber (6) of each unit is provided with blowing device; Described blowing device links to each other with air-purifying chamber (6) inner chamber by winding-up pipe (3).

2. according to claim 1 described big air quantity combined type filter cartridge dust remover, it is characterized in that: the quantity of described winding-up pipe (3) is identical with filter cylinder (10) number

3. according to claim 1 described big air quantity combined type filter cartridge dust remover, it is characterized in that: described blowing device comprises gas bag (2) and the winding-up pipe (3) that is connected with gas bag (2) by pulse valve (1).

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