CN2721207Y

CN2721207Y - Bag air filter

Info

Publication number: CN2721207Y
Application number: CN 200420029731
Authority: CN
Inventors: 陈金英
Original assignee: Handan Iron and Steel Group Co Ltd
Current assignee: Handan Iron and Steel Group Co Ltd
Priority date: 2004-09-11
Filing date: 2004-09-11
Publication date: 2005-08-31
Anticipated expiration: 2014-09-11

Abstract

The utility model provides a bag air filter, relating to the improvement of the ring stand guide and belonging to the technical field of the bag air filter; the utility model solves the problem that the clamp accident of the left and right ring stands during working is avoided. The bag air filter comprises an air inlet pipe cover, an air inlet pipe, an intermediate cylinder, a flue-dust retainer, a dust bag, a blowing ring, a left and right ring stands and a chain driver device; the dust bags are distributed in the intermediate cylinder at intervals; the blowing rings divided into two groups are fixed on the left and right ring stands, and are sheathed on each dust bag one by one; the left and the right ring stands are matched with the intermediate cylinder, and is positioned in the intermediate cylinder; the improvement is that a guide line is added between the left and the right ring stands; the left and right ring stands are divided by a guide line, and a guide rib column is formed; the clamp accident is eliminated when the left and right ring stands are relatively moved; the operational reliability of the bag air filter is enhanced; the hard work of eliminating barrier of the maintenance personnel in the hostile environment can be exempted; the bag air filter is suitable for use in the existingbag air filter.

Description

The pocket type air cleaner

Technical field

The utility model relates to air cleaner, specifically improves about the guiding of pocket type air cleaner ring stand, belongs to pocket type air cleaner technical field.

Background technology

The pocket type air cleaner is widely used as the auxiliary facility of air compressor, and blast pipe and cover, intermediate cylinder, flue-dust retainer etc. are arranged in the formation.Intermediate cylinder is made up of cylindrical shell, filter bag, blowing ring, ring stand and chain and sprocket driving device etc.Filter bag is rectangular tubular, and quantity is some, is intervally arranged in cylindrical shell, and the upper and lower end of each filter bag is fixed on the cylindrical shell.The blowing ring equates with filter bag quantity, divides two groups to be fixed on the left and right ring stand, and is sleeved on one by one on the filter bag of rectangular tubular.During use, gas is entered in each filter bag by the blast pipe at top, enter cylindrical shell after the filtration and by the exhaust outlet output of cylindrical shell below, dust is long-pending during filtration is attached on the inner bag face of filter bag, be sleeved on blowing ring on the filter bag with the upper and lower operation of left and right ring stand the time, the purge gas of being introduced by flexible pipe ejects from the slit high speed on the blowing ring body, blows the brush filter bag from outside to inside, long-pending attached dust is blown off to the flue-dust retainer of bottom, discharge by ash-valve at last.The lifting of left and right ring stand operation is driven by chain and sprocket driving device, by the switching that commutates of limit switch and buting iron.This structure pocket type air cleaner is installed necessary level, when moving, left and right ring stand lifting undertaken by the vertical-lift exactly ground in the ring stand chain and sprocket driving device, the two in opposite directions the free degree of direction be not restricted, the two deflection slightly in relative elevating movement process one on the other, then be easy to the skew of direction in opposite directions, and collision occur and fault such as block mutually because of skew; Simultaneously, also because of skew makes buting iron away from limit switch, cause the lifting commutation out of control.It is particularly outstanding that above-mentioned fault is used for the STEELMAKING PRODUCTION oxygen generation system at the pocket type air cleaner, just occurs once the 1-2 month usually.During appearance, because oxygen generation system does not allow air compressor to stop transport, the maintenance personal has to enter under not shutdown situation in the cylindrical shell of high-temperature high dust and rushes to repair, the working environment very severe, and have hidden danger.For this reason, must be to above-mentioned pocket type air cleaner, the lifting of especially left and right ring stand guiding is provided with studies improvement.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of pocket type air cleaner of avoiding the defective of left and right ring stand skew, to eliminate above-mentioned fault.

The alleged problem of the utility model realizes with following technical scheme:

A kind of pocket type air cleaner, air intake shroud 1, blast pipe 32, intermediate cylinder 2, flue-dust retainer 3 are arranged in the formation, filter bag 4, blowing ring 5, left and right ring stand 6 and chain and sprocket driving device, filter bag is intervally arranged in intermediate cylinder, blowing encircles two groups of branches and is fixed on the left and right ring stand, also is sleeved on one by one on each filter bag, and left and right ring stand and intermediate cylinder coupling also are positioned at it, are improved to, set up guide line 7 between described left and right ring stand 6, the upper and lower end and the intermediate cylinder of guide line 7 are affixed.

Above-mentioned pocket type air cleaner, described guide line 7 is provided with at interval, is provided with Tensioning buckle 9 in each guide line.

Above-mentioned pocket type air cleaner, the upper and lower end of described guide line are affixed by semicircular ring 8 and intermediate cylinder respectively.

The utility model is set up guide line between left and right ring stand, utilize guide line to separate left and right ring stand and form the guiding rib post, up and down bump card failure during relative motion so effectively eliminated left and right ring stand, also eliminated simultaneously the buting iron that causes because of skew away from limit switch, the lifting malfunctioning fault out of control that commutates, greatly improved pocket type air cleaner reliability of operation, exempted the hardships work that the maintenance personal frequently enters row's barrier in the adverse circumstances, suited on existing pocket type air cleaner, to adopt.

Description of drawings

Fig. 1 is the utility model work schematic diagram;

Fig. 2 is left and right ring stand elevating movement schematic diagram;

Fig. 3 is the B-B profile among Fig. 2;

Fig. 4 is the A-A profile among Fig. 3.

The specific embodiment

The parts label is in the accompanying drawing: 1-air intake shroud, the 2-intermediate cylinder, the 3-flue-dust retainer, the 4-filter bag, the 5-ring of drying, a 6-left side, right ring stand, the 7-guide line, the 8-semicircular ring, the 9-Tensioning buckle, the 10-motor, 11,12,13,14,15, the 16-sprocket wheel, the 17-jockey sprocket, 18,19,20,21, the 22-chain, the 23-power transmission shaft, the 24-exhaust outlet, the 25-ash-valve, the 26-rope cramp, the 27-drop hanger, the 28-drag chain, the 29-lower stroke switch, the last buting iron of 30-, 31 strokes, limit switch, the 32-blast pipe, crossbeam-33, buting iron under the 34-.

Consult accompanying drawing.Air is entered in the blast pipe 32 by the coarse strainer of air intake shroud 1 periphery, is entered in each filter bag 4 by the blast pipe 32 that covers on filter bag 4 tops again, filters after intermediate cylinder 2, exhaust outlet 24 outputs.In the illustrated example, filter bag and ring stand are two groups, every group comprises a plurality of filter bags 4 and left and right ring stand 6, chain and sprocket driving device should be two groups mutually, motor 10 in every group is in transmission connection through sprocket wheel 11,12, chain 18 and power transmission shaft 23, and power transmission shaft 23 is in transmission connection by four sprocket wheels on it and chain and left and right ring stand 6 chains.Be specially: the two ends of chain 19,21 are connected with the interior edge of the outer edge of left ring stand, right ring stand pile

warp sprocket wheel

13,15 backs respectively; The two ends of

chain

20,22 are connected with the outer edge of the interior edge of left ring stand, right ring stand pile

warp sprocket wheel

14,16 backs respectively; The bottom of left and right ring stand also is in transmission connection by drag chain 28, jockey sprocket 17, and in every group, left ring stand is in when rising operation right ring stand, and to be in synchronous decline in service.

Still consult accompanying drawing.The utility model is set up guide line 7 between left and right ring stand 6, the quantity of the guide line 7 between every group of left and right ring stand is two, and two guide lines 7 are provided with at interval.The semicircular ring 8 of fixed guide rope is welded on the crossbeam 33 of intermediate cylinder 2 upper and lowers, and is affixed and can be by Tensioning buckle 9 tensions by rope cramp 26 between guide line and semicircular ring and the Tensioning buckle.Guide line after the tension forms the guiding rib post of separating left and right ring stand; left and right ring stand is subjected to the separation restriction of this guiding rib post to occur bumping card failure never again when relative lifting operation; also guaranteed simultaneously the position corresponding relation between buting iron or the limit switch, the timely commutation during the supreme lower dead center of the lifting of guaranteeing to commutate.

Claims

1. pocket type air cleaner, air intake shroud [1], blast pipe [32], intermediate cylinder [2], flue-dust retainer [3] are arranged in the formation, filter bag [4], blowing ring [5], left and right ring stand [6] and chain and sprocket driving device, filter bag is intervally arranged in intermediate cylinder, blowing encircles two groups of branches and is fixed on the left and right ring stand, also is sleeved on one by one on each filter bag, left and right ring stand and intermediate cylinder coupling also are positioned at it, it is characterized in that, set up guide line [7] between described left and right ring stand [6], the upper and lower end and the intermediate cylinder of guide line [7] are affixed.

2. pocket type air cleaner according to claim 1 is characterized in that, described guide line [7] is provided with at interval, is provided with Tensioning buckle [9] in each guide line.

3. pocket type air cleaner according to claim 2 is characterized in that, the upper and lower end of described guide line is affixed by semicircular ring [8] and intermediate cylinder respectively.