CN100386133C

CN100386133C - Water-bath type dust cleaner

Info

Publication number: CN100386133C
Application number: CNB2005100827405A
Authority: CN
Inventors: 张维财
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-11
Filing date: 2005-07-11
Publication date: 2008-05-07
Anticipated expiration: 2025-07-11
Also published as: CN1730139A

Abstract

The present invention discloses a wet-method duster, a water bath type duster, using water as dusting mediums. The present invention is mainly characterized in that a barrel rotating device arranged in the duster presses dust-containing smoke gas into water, the dust-containing smoke gas which naturally and upwards floats in water in the form of small dense bubbles is discharged under the action of the barrel rotating device, the dust-containing smoke gas is completely and sufficiently contacted with the water in the process of floating upwards so that the dust-containing smoke gas is sufficiently washed, and therefore, dusting and purifying purposes are achieved. The water bath type duster of the present invention is suitable for purifying various kinds of nonfiber powder dust, and is mainly used for providing adequate and systematic service for environmental protection measures in metallurgy industry, coal industry, chemical industry, casting industry, electricity generation industry, etc. The water bath type duster of the present invention is composed of an upper shell body, a lower shell body and the barrel rotating device. Compared with the existing wet-method duster, the present invention has the advantages of simple structure, low noise, electricity saving and high dusting rate.

Description

Water-bath type dust cleaner

Technical field

The present invention be a kind of be the hydrofilter of dedusting medium with water.

Background technology

Be the hydrofilter of dedusting medium with water at present, be broadly divided into spray type dust separator, the compound type dust remover that water film type duster and moisture film spray combine, the deduster of this several types, in actual use all degree different to exist dedusting not thorough, problems such as exhaust emissions exceeds standard, its reason are that ash-laden gas can not contact with water cmpletely.

Summary of the invention

The present invention has overcome the technical problem that existing several types hydrofilter in use exists, providing a kind of is pressed into ash-laden gas in the water, discharge by being intensive minute bubbles come-up in the water, be that ash-laden gas has a bath, make the ash-laden gas water-bath type dust cleaner that contacts with water cmpletely, purify thereby make ash-laden gas obtain bathing, pollution sources are effectively administered.

In order to solve the technical problem of above-mentioned existence, the present invention is achieved by the following technical programs: water-bath type dust cleaner of the present invention is made up of major parts such as upper shell, lower house, smoke guide barrel and turning barrels.Wherein the upper shell top has the skylight circular hole, and its size is as the criterion for smoke guide barrel is inserted in, and upper shell top one side is provided with exhaust opening, and the upper shell inner top is furnished with auxiliary water inlet shower nozzle or circular spray tube, and upper shell is sleeved in the lower house; The bottom of lower house is cone, and the bottom is provided with blowoff valve; Smoke guide barrel top is provided with the worm-rotating type side and advances mouth, and the top center position has main shaft and stretches out the hole, and main shaft is furnished with into water shower nozzle or circular spray tube around stretching out the hole, plays moisturizing, dedusting and the effect of washing away; Turning barrel is a core component of the present invention, and it is sleeved in the smoke guide barrel, and fixes by being located at the bearing block that smoke guide barrel top main shaft stretches out on the hole.Turning barrel is made up of main shaft, round tank wall, resistance smoke ring plate, helical runner and support, main shaft by being located at top helical runner and be located at the support of bottom and the binding that is centrosymmetric of round tank wall, turning barrel by being located at the main shaft top belt pulley or cock wheel and the moving motor of holder linked to each other, the Lower Half of bucket wall is protruded the smoke guide barrel part, have the small garden hole that is evenly distributed, be called the garden porose area, all small garden holes cave in along the inward at both ends on the turning barrel direction of rotation, to outer lug, its peak is the 4-8 millimeter; In the outside of bucket wall, the upper limit position of garden porose area is provided with resistance smoke ring plate.

When motor by being located at the main shaft top belt pulley or to cock wheel, when the drive turning barrel rotates at a high speed in smoke guide barrel, the helical runner that is located at turning barrel top plays the effect of air-introduced machine, ash-laden gas is pressed into the turning barrel bottom, and be intensive minute bubbles by the garden porose area of turning barrel bottom and enter in the bathroom water, make flue gas in the process of come-up, obtain bathing and purify.Minute bubbles super nearly discharge fast along the turning barrel outside for preventing to be discharged by turning barrel garden porose area influences clean-up effect, and the present invention is provided with resistance smoke ring plate at the upper limit position of the garden porose area in the turning barrel outside, forcing flue gas to be discharged by come-up in the bathroom water.The two ends of all small garden holes of the garden porose area of turning barrel Lower Half along on the turning barrel direction of rotation to inside and outside jog, when turning barrel rotates at a high speed, not only play the effect of getting rid of initial water in the bucket and also play the forced-ventilated effect of pressurizeing of secondary to ash-laden gas simultaneously.

The water-bath type dust cleaner of the present invention following beneficial effect of having compared with existing wet dedusting technology:

1, dust removal efficiency height, the present invention is pressed into ash-laden gas in the water to be discharged by come-up in the water, and ash-laden gas is contacted with water fully, and under the situation that does not increase circulating water flow, its dust removing effects significantly improves.

2, energy-conservation, the present invention implants deduster inside with the function of blower fan, and air loss is almost nil, and the power of its coupling motor is less relatively, can economize on electricity 20% through preliminary reckoning.

3, noise is low, and the present invention implants deduster inside with the function of blower fan, and moves under the situation of relative closure, has reduced the pollution of the NOISE ON ENVIRONMENT that is produced by blower fan.

Description of drawings

Fig. 1 is a water-bath type dust cleaner schematic diagram of the present invention

Fig. 2 is a turning barrel device schematic diagram of the present invention

1 belt pulley, 2 bearing blocks, 3 spray heads, 4 exhaust openings, 5 upper shells, 6 smoke guide barrels, 7 resistance smoke ring plates, 8 turning barrels, 9 lower houses, 10 overflow pipes, 11 blowoff valves, 12 advance mouth, 13 shower rooms,

smoke evacuation chambers

14,15 bathrooms,

dust discharge chambers

16,17 main shafts, 18 helical runners, 19 supports among the figure.

The specific embodiment

Below in conjunction with accompanying drawing the present invention is further described.

In Fig. 1, the cavity on the top of water-bath type dust cleaner upper shell 5 of the present invention is that the above space of waterline is called smoke evacuation chamber 14, the following pool portion of the waterline of lower house 9 is called bathroom 15, bathroom 15 is provided with overflow pipe 10, the conical section of lower house 9 is called dust discharge chamber 16, the bottom of dust discharge chamber 16 is provided with blowdown control valve 11, and the above space to smoke guide barrel 6 tops of the helical runner of turning barrel 8 is called shower room 13.

In Fig. 1, motor by being located at the main shaft top belt pulley or cock wheel 1 driven turning barrel 8 smoke guide barrel 6 in, rotate at a high speed, ash-laden gas at first enters shower room 13 by advancing mouth 12 under the effect of the impeller of turning barrel 8 and garden porose area, the shower nozzle 3 that is located at shower room 13 tops carries out first dedusting with ash-laden gas, then be pressed into the bottom of turning barrel 8, again after the pressurization of garden porose area secondary, being intensive minute bubbles enters in the bathroom 15 by force, minute bubbles are by obtaining the bathing purifying and dedusting in the process that floats to smoke evacuation chamber 14 on the nature in the water of bathroom 15, dirty dirt is recycled water and is expelled to settling tank through blowoff valve 11, and flue gas after being purified is constantly discharged through smoke evacuation chamber 14 and exhaust opening 4.

When the inventor utilizes homemade small-sized " water-bath type dust cleaner " to carry out simulated experiment, the minute bubbles that discovery is discharged by turning barrel 8 garden porose areas are at first along the super nearly floating upward quickly in the bucket wall outside of turning barrel 8, influence dust removing effects, for addressing this problem, the inventor has installed a resistance smoke ring plate 7 in the bottom outside examination of smoke guide barrel 6 earlier, change the come-up route of minute bubbles, delayed the floating interval of floating dock of minute bubbles, received certain effect; When the inventor will hinder smoke ring plate 7 and be installed in the upper limit position of garden, outside porose area of turning barrel 8, dust removing effects is desirable more, reason is that resistance smoke ring plate 7 forms one with turning barrel 8, together during high speed rotating, the floating upward quickly that has not only effectively stoped minute bubbles, the centrifugal force that produces because of rotation more helps dust discharge simultaneously.Through the experiment contrast, the inventor finally determines 7 design and installations of resistance smoke ring plate at the upper limit position of the garden, the outside of turning barrel 8 porose area, and then receives good dust removing effects.

Claims

1. water-bath type dust cleaner, comprise housing, smoke guide barrel and turning barrel mounted thereto, one end of smoke guide barrel inserts in the housing, the other end is provided with the vortex type side and advances mouth, have main shaft in smoke guide barrel top center position and stretch out the hole, main shaft is protruding by stretching out the hole, and fix by the bearing block that is located at smoke guide barrel top center position, turning barrel and main shaft are installed on it in linkage, one end is positioned at smoke guide barrel, the other end is stretched out by smoke guide barrel, and an end that is positioned at smoke guide barrel is provided with helical runner, and external part is provided with support; Have exhaust opening in case top, it is characterized in that: the external part of described turning barrel (8), be that the water following outstanding smoke guide barrel of sunkening cord partly has the circular hole that is evenly distributed.

2. by the described water-bath type dust cleaner of claim 1, it is characterized in that: the described circular hole that is located at turning barrel (8) external part, along the end on the turning barrel direction of rotation cave inward, the other end outwards protrudes, its peak is for exceeding a barrel wall 4-8 millimeter.

3. by the described water-bath type dust cleaner of claim 1, it is characterized in that: the upper limit position in turning barrel (8) outer surface, circular hole district also is provided with resistance smoke ring plate (7).

4. by claim 1 or 3 described water-bath type dust cleaners, it is characterized in that: the inner top main shaft of smoke guide barrel (6) stretch out the hole around be furnished with into water spray head (3) or circular spray tube.

5. by claim 1 or 3 described water-bath type dust cleaners, it is characterized in that: the inner top at upper shell (5) is furnished with auxiliary water inlet spray head (3) or circular spray tube.