CN1224444C

CN1224444C - Cyclone-wet type dcompound dust collector with fiber grid mesh

Info

Publication number: CN1224444C
Application number: CN 03111158
Authority: CN
Inventors: 孙熙; 苑春苗
Original assignee: Northeastern University China
Current assignee: Northeastern University China
Priority date: 2003-03-13
Filing date: 2003-03-13
Publication date: 2005-10-26
Anticipated expiration: 2023-03-13
Also published as: CN1480240A

Abstract

The present invention relates to a cyclone-wet type compound dust collector with a fiber grid mesh, which belongs to the equipment for environmental protection and dust collecting treatment and is composed of a cyclone type dust collector and a wet type fiber mesh dust collector. The whole dust collector is in an inverted U-shaped structure and two parts are connected in series, wherein one part is the cyclone type dust collector, the upper part of the cyclone type dust collector is provided with cyclone type dust collecting components, and the lower part of the cyclone type dust collector is provided with an ash bucket and a revolving type ash discharging valve. The cyclone type dust collector is connected with a bent arm and the other end of the bent arm is connected with the wet type fiber mesh dust collector via a diameter variation pipe. The side surface of the wet type fiber mesh dust collector is provided with a water purifier and the lower part of the wet type fiber mesh dust collector is provided with a drainage pipe and a vertical settling tank. The side surface of the settling tank is provided with a bracket and the lower end of the settling tank is provided with a flushing valve and an ash discharging mesh. The present invention has the advantages of high dust collecting effect, simple structure, convenient maintenance, easy manufacture and low price and also has a definite collecting effect on harmful gas in air current due to the absorption effects of water films and fog drops, such as lime water which is sprayed into the dust collector has a definite desulfurizing effect. Therefore, the present invention is suitable for general popularization.

Description

Whirlwind-wet fiber grid compound type dust remover

Affiliated technical field

The present invention relates to a kind of environmental protection device, be applicable to smoke and dust treatment equipment.

Background technology

At present, in environmental protection equipment, cyclone dust collectors use in a large number, and the operation principle of this deduster is to make dust-contained airflow rotation at a high speed in tube, by centrifugal force the attached wall of dust granules is caught dust, its advantage is: it has simple in structure, easy to maintenance, lower-price characteristic, but its deficiency is an efficiency of dust collection not only is subjected to the import Influences on Wind Velocity, and the influence of be pollinated grit degree and density, and granularity is big more, the dust that density is high more, efficient is high more under identical import wind speed.And its efficiency of dust collection is not high, only is 80～90% generally, and the efficiency of dust collection to minuteness particle is lower especially, can not satisfy in the current environment protection requirement to the soot emissions index.

Summary of the invention

For solving the deficiency of above cyclone dust collectors function, the purpose of this invention is to provide a kind of compound type dust remover, cyclone dust collectors and wet type dust remover with fibre-gates organically combined be one, realized having the efficiency of dust collection height effectively, manufacturing simple in structure, easy to maintenance, easy, cheap purpose.

The present invention's structural design is achieved in that its structure of compound type dust remover is by cyclone dust collectors, bend pipe, reducer pipe, wet type dust remover with fibre-gates, water purifier, vertical settling tank critical piece is formed (as shown in Figure 1), whole deduster is the inverted U structure, two parts are the series connection form, its connection is: the cyclone dust collectors side is inlet, the upper end connects with bend pipe one end, its lower end and ash bucket, the swinging ash-valve connects, the bend pipe other end connects with wet type dust remover with fibre-gates by reducer pipe, the wet type dust remover with fibre-gates lower end connects drainpipe, blast pipe, at drainpipe, vertical settling tank is housed below the blast pipe, between settling tank and the dust remover with fibre-gates water purifier is housed, the water purifier water inlet connects with pipeline with the settling tank delivery port, the delivery port of water purifier connects with feed water inlet in the wet fiber grid, be energy savings, water purifier utilizes the water purification above the settling tank again, fixed support is equipped with in the side of settling tank, flushing valve is equipped with in the settling tank lower end, ash-valve, the settling tank side has exhaust outlet, after the operation, dry ash is discharged from the swinging ash-valve, mud is discharged from settling tank lower end mud valve, be each parts detailed structure below, wherein cyclone dust collectors are funnel form (as shown in Figure 2), the centre is a cylindrical shell, be cone below, the top horizontal side is equipped with air inlet pipe, is air inlet, and blast pipe is equipped with on the top, be exhaust outlet, ash bucket and swinging ash-valve are equipped with in the cone lower end; The wet type dust remover with fibre-gates outside is a housing, the top is an air inlet, sparge pipe is equipped with in the inboard, the inside, and corresponding sparge pipe has observation window, and jet water spout and shower nozzle are equipped with in the top, corresponding sparge pipe is equipped with filter frame, be equipped with filter holder on filter frame, be fixed with fiber grid (shown in Fig. 3,4) on the support, seal cover is equipped with in the fiber grid outside, corresponding fiber grid have peephole, and the dust remover with fibre-gates lower end is equipped with drainpipe, blast pipe respectively; Water purifier is formed (as shown in Figure 5) by pipeline and water filtering tube, the water purifier front is inlet, connect with delivery port on the vertical settling tank, for overhauling conveniently, connect with water filtering tube by two-way, wherein one the tunnel through threeway, straight tube, water valve, straight tube, elbow connects with the water filtering tube upper shed, another road is through threeway, straight tube, elbow, straight tube, joint, straight tube, water valve connects with the water filtering tube lateral port, use this pipeline under maintenance or backwash situation, the water filtering tube outside is an outer tube, and strainer valve is equipped with in inside, the top is by the fixing card of filter screen, have screw-nut to fix below, the centre is equipped with rubber washer and is connected with junction block, and water pressure gauge and water valve are housed on junction block, this water valve is a discharge outlet, same downside is equipped with water valve, and mud behind the exhaust filtering is discharged to purifying waste water by the water filtering tube discharge outlet at last.

Advantage of the present invention: the efficiency of dust collection height, simple in structure, easy to maintenance, make easily, cheap, in addition because the suction-operated of moisture film and droplet, it also plays certain capture effect to the pernicious gas in the air-flow, as sprays into limewash and have certain desulfurized effect, is fit to generally promote the use of.

Description of drawings

Fig. 1 is whirlwind-wet fiber grid compound type dust remover overall construction drawing;

Fig. 2 is the cyclone duster structure figure of whirlwind-wet fiber grid compound type dust remover;

Fig. 3 is the wet type dust remover with fibre-gates structure chart of whirlwind-wet fiber grid compound type dust remover;

Fig. 4 is whirlwind-wet fiber grid compound type dust remover fiber grid structure chart;

Fig. 5 is whirlwind-wet fiber grid compound type dust remover water purifier structure chart.

Wherein, among Fig. 1: 1 cyclone dust collectors, 2 bend pipes, 3 reducer pipes, 4 wet type dust remover with fibre-gates, 5 water purifiers, 6 drainpipes, 7 blast pipes, 8 vertical settling tanks, 9 supports, 10 flushing valves, 11 ash-valves;

Among Fig. 2: 12 air inlet pipe, 13 blast pipes, 14 cylindrical shells, 15 cones, 16 ash buckets, 17 swinging ash-valves;

Among Fig. 3: 18 sparge pipes, 19 air inlet pipe, 20 observation windows, 21 jet water spouts, 22 shower nozzles, 23 filter frames, 24 seal covers, 25 go out measured hole, 26 drainpipes, 27 blast pipes, 28 apopores, 29 ventholes;

Among Fig. 4: 30 filter holders, 31 fiber grid;

Among Fig. 5: 32 water inlets, 33 threeways, 34,36,38,40,42 straight tubes, 35,43 elbows, 37 joints, 39,41 water valves, 44,47 rubber washers, 45 outer tubes, 46 screen packs, 48 junction blocks, 49 water pressure gauges, 50 water valves, 51 discharge outlet, the fixing card of 52 filter screens, 53 water valves, 54 screw-nuts, 55 water filtering tubes.

The specific embodiment

The present invention's structure and operation principle are described in detail in conjunction with the accompanying drawings.

Learn from Fig. 1, cyclone dust collectors 1 side is an air inlet, treat the inlet that to purify air, ash bucket 16 below cyclone dust collectors and swinging ash-valve 17 are discharged dry ash on the one hand, be connected in series with cyclone dust collectors and be to connect bend pipe 2 with wet type dust remover with fibre-gates 4, connect with vertical settling tank 8 by following drainpipe 6 and blast pipe 7 by reducer pipe 3, water purifier 5 is equipped with in the side, and the ash-valve 11 of the mud that contains in the dust below settling tank discharged.Cyclone dust collectors 1 top is blast pipe 13, is cylindrical shell 14 below, is cone 15 below the cylindrical shell 14, and the bottom is ash bucket 16 and swinging ash-valve 17; Being connected in series another part with cyclone dust collectors is wet type dust remover with fibre-gates 4, detailed structure is the top air inlet pipe 19 that is, sparge pipe 18 is housed below, the jet water spout 21 at top, shower nozzle 22, filter frame 23 is equipped with in the centre, filter holder 30 and fiber grid 31 are housed on the framework, be drainpipe 26 below, blast pipe 27, delivery port 28, venthole 29 is equipped with water purifier 5 between fiber grid and the vertical settling tank, clarifier 5 main bodys are water filtering tube 55, the front has two paths to connect with water filtering tube, and wherein one the tunnel through threeway 33,

straight tube

34,36,38, elbow 35, joint 37 and water valve 39 connect with water filtering tube 55 lateral openings, and another road is through threeway 33,

straight tube

40,42, water valve 41, elbow 43 connects with water filtering tube is suitable for reading, conveniently have only maintenance upper pipeline moment for maintenance and just open lower pipeline, water filtering tube 55 outsides are outer sleeve 45, the inside screen pack 46, water valve 50 and water pressure gauge 49 are equipped with in the back, Rubber washer 47 is equipped with in the centre, and water valve 53 is housed below, and side 50 water valves are discharge outlet, for purifying waste water, following water valve 53 is for filtering back mud outlet, in a word the dust air through two kinds of deduster dedustings after, the dust air is effectively purified.

Claims

1, a kind of whirlwind-wet fiber grid compound type dust remover, it is characterized in that this deduster is by cyclone dust collectors (1), bend pipe (2), reducer pipe (3), wet type dust remover with fibre-gates (4), water purifier (5), vertical settling tank (8) critical piece is formed, whole deduster is the inverted U structure, be the series connection form, its connection is: cyclone dust collectors (1) side is inlet, the upper end connects with bend pipe one end, its lower end and ash bucket (16), swinging ash-valve (17) connects, bend pipe (2) other end connects with wet type dust remover with fibre-gates (4) by reducer pipe (3), wet type dust remover with fibre-gates (4) lower end connects drainpipe (6), blast pipe (7), in drainpipe (6), vertical settling tank (8) is housed below the blast pipe (7), between settling tank (8) and the dust remover with fibre-gates (4) water purifier (5) is housed, the water purifier water inlet connects with the settling tank delivery port, the delivery port of water purifier connects with wet fiber grid feed water inlet, fixed support (9) is equipped with in the side of settling tank (8), flushing valve (10) is equipped with in settling tank (8) lower end, ash-valve (11), settling tank (8) side has exhaust outlet, after the operation, dry ash is discharged from swinging ash-valve (17), and mud is discharged from settling tank (8) lower end ash-valve (11).

2, whirlwind according to claim 1-wet fiber grid compound type dust remover, it is characterized in that cyclone dust collectors (1) are the funnel form, the centre is cylindrical shell (14), be cone (15) below, the top horizontal side is equipped with air inlet pipe (12), is air inlet, and blast pipe (13) is equipped with on the top, be exhaust outlet, ash bucket (16) and swinging ash-valve (17) are equipped with in the cone lower end.

3, whirlwind according to claim 1-wet fiber grid compound type dust remover, it is characterized in that the wet type dust remover with fibre-gates outside is housing, the top is air inlet (19), sparge pipe (18) is equipped with in the inboard, the inside, corresponding sparge pipe (18) has observation window (20), jet water spout (21) and shower nozzle (22) are equipped with in the top, corresponding sparge pipe is equipped with filter frame (23), on filter frame (23), be equipped with filter holder (30), be fixed with fiber grid (31) on the support, seal cover (24) is equipped with in fiber grid (31) outside, and corresponding fiber grid have peephole (25), and the dust remover with fibre-gates lower end is equipped with drainpipe (26) respectively, blast pipe (27).

4, whirlwind according to claim 1-wet fiber grid compound type dust remover, it is characterized in that water purifier is made up of pipeline and water filtering tube, the water purifier front is inlet (32), connect with water filtering tube (55) by two-way, wherein one the tunnel through threeway (33), straight tube (40), water valve (41), straight tube (42), elbow (43) connects with water filtering tube (55) upper shed, another road is through threeway (33), straight tube (34), elbow (35), straight tube (36), joint (37), straight tube (38), water valve (39) connects with the water filtering tube lateral port, when maintenance and backwash, use this pipeline, the water filtering tube outside is outer tube (45), screen pack (46) is equipped with in inside, the top is by the fixing card of filter screen (52), there is screw-nut (54) fixing below, the centre is equipped with rubber washer (47) and is connected with junction block (48), water pressure gauge (49) and water valve (50) are housed on junction block (48), be discharge outlet (51), same downside is equipped with water valve (53), mud behind the exhaust filtering is discharged to purifying waste water by the water filtering tube discharge outlet at last.