CN2412159Y - Water-bath silk net efficiency dust catcher - Google Patents

Abstract

The utility model relates to an efficient water-bath silk net dust remover. A set of multilayer wire silk net, a spray pipe used for spraying water toward the wire silk net and a nozzle are additionally arranged in the existing impact water bath dust remover in order to reinforce the collection of small fine dust. In addition, the outer side of a casing of the dust remover is additionally provided with a water level regulator of a water sealed dust removing water tank, and the regulator is composed of a water level regulating hole in the casing of the dust remover, the water sealed water tank provided with an overflow pipe, a connecting flange having an upper part fixed on the casing of the dust remover and a lower part submerged in the liquid level of the overflow water sealed water tank and a cover plate. The dust removal efficiency of the utility model is more than 97 %, and the depth of the spray pipe submerged in water can be regulated under running dynamic condition to ensure the normal operation of the dust remover.

Description

Water-bath silk screen high-efficiency dust remover

The utility model relates to wet scrubber, particularly the impulse type water bath deduster.

In wet dust removal and flue gas purifying equipment, the impulse type water bath deduster is because simple in structure, stable and reliable for performance, and water consumption is little, is easy to maintenance management, is used widely in industries such as building materials, pottery, stone flour.But, there is a major defect in it is that water level (jet pipe does not have water depth) can not be controlled and be regulated under deduster operation dynamic condition in the deduster tower, when the jet pipe that is higher than design when water level in service does not have water depth, dust remover resistance strengthens, cause burning the motor of air exhauster when serious, when water level was lower than nozzle hole, efficiency of dust collection fell sharply, therefore, be difficult to guarantee that deduster normally moves.At present, widely also all there is different problems in the method for water level in the control tower of Cai Yonging, and water level meter method is artificial regularly supplementing water and regularly by dust discharge at the bottom of the tower in tower, artificial recharge continually, management inconvenience, and dust removing effects instability extremely; Ball-cock assembly control automatic water-supply method, the interior height of water level of tower is difficult for fixing, and ball-cock assembly water level meter needs often maintenance, can make the interior water level of tower surpass predetermined altitude if leak, and increases dust remover resistance; Be communicated with water level in the pond (Design of ventilation handbook introduce method) at present outward with the overflow pipe control tower, overflow pipe is difficult to accurately determine in advance to heavens in the tower, cause the interior water level in water pool of tower to be higher than the outer pond water surface of connection equally easily, often make jet pipe not have water dark excessively, make dust remover resistance very big, cisco unity malfunction.Someone has proposed the method for water level in a kind of water seal overflow pipe control tower, and this method has three kinds of technical schemes: dismountable overflow pipe is arranged near the predetermined altitude of jet pipe, and is fixed on the deduster tower body; Overflow pipe is arranged on the predetermined altitude of dedusting wall; Highly control overflow pipe height in the deduster with outer being provided with of water seal overflow ladle of tower, i.e. water level (Liu Jiang etc.: " improvement in the design of impulse type water bath deduster ", " health research " 1992 the 21st volumes the 4th phase 218-220 page or leaf) in the tower.But these three kinds of schemes exist in respectively also that deduster is in service can not control and adjust the problem that jet pipe does not have water depth, or baroque problem.Simultaneously, the impulse type water bath deduster also exists fine dust to be not easy to be captured, the problem that efficiency of dust collection is not high, and general efficiency of dust collection is 80-90%.

The purpose of this utility model is in order to overcome the above-mentioned defective that the impulse type water bath deduster exists, provide a kind of can be under deduster dynamic operation condition water level in the control tower, regulate jet pipe and do not have water depth, and can effectively capture fine dust, the impulse type water bath silk screen high-efficiency dust remover that efficiency of dust collection is high.

For achieving the above object, below the dash demist plate of the utility model in existing impulse type water bath deduster, set up one group of multiple layer metal silk screen, and above this multiple layer metal silk screen, be provided with one group to its water spray dedusting sparge pipe and nozzle, set up a hydrolock dedusting water level in water pool adjusting device in the outside of deduster lower housing portion, this device is by the flood level adjustment hole of opening on the deduster housing, the water level adjustable plate that the lower end is fixed in the adjusting bolt location in the fixed mount upper end screw on the deduster housing is passed in dependence, overflow water water shutoff pond, top is fixed on the deduster housing, the bottom is immersed in the subsurface adpting flange in overflow water water shutoff pond and cover plate is formed, and the lateral wall top in overflow water water shutoff pond also is provided with the draining overflow pipe.

The multiple layer metal silk screen can be arranged to in-line, V-arrangement or W shape.

The utility model has the advantages that: the hydrolock dedusting water level in water pool adjusting device of setting can be controlled the water level in the dedusting pond exactly, and stable jet pipe does not have water depth, particularly under deduster operation dynamic condition, can pass through to adjust the height of water level adjustable plate.Adjust jet pipe and do not have water depth, make it reach designing requirement, guarantee that deduster normally moves, and running resistance is stable.Multiple layer metal silk screen of setting up and water spray facility thereof can be strengthened the trapping ability to fine dust, improve dust removing effects greatly, and efficiency of dust collection is greater than 97%.Simultaneously, the utility model also has simple in structure, is easy to advantages such as maintenance management.

The utility model is described in further detail below in conjunction with drawings and Examples.

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

Agent structure of the present utility model is identical with existing impulse type water bath deduster, and it comprises deduster housing 3, and a deduster outlet 1 is arranged on the top of deduster housing 3 or top one sidewall.Dedusting pond 17 is positioned at the bottom of deduster housing 3, and the bottom surface in dedusting pond 17 is a ramped bottom surface, and the dirt mudflow that is beneficial to capture is to the buffering pond 18 that is communicated with dedusting pond 17, and successfully discharge in the clear mud hole 19 bottom 18 lateral walls of buffering pond.This lateral wall top in buffering pond 18 also be provided with an overflow pipe 10 ' this overflow pipe 10 ' the bottom surface a little more than the lower end pelvic outlet plane of jet pipe 16, like this, when deduster was in non-operating state, jet pipe can be immersed under the liquid level in dedusting pond 17.Another sidewall peripheral hardware of deduster housing 3 has averaging wind pipe 5, has dust laden air import 4 on the averaging wind pipe 5, and dust laden air jet pipe 16 1 ends are communicated with averaging wind pipe 5, and the sidewall slope that the other end passes deduster housing 3 is inserted under the liquid level in the dedusting pond 17.During the deduster operation, dust laden air to be clean sprays in the liquid in dedusting pond 17 through averaging wind pipe 5 and jet pipe 16, behind purifying and dedusting, again through the dash demist plate 12 near deduster outlet below, is discharged by deduster outlet 1.The utility model is provided with one group of multiple layer metal silk screen 14 below dash demist plate 12, this multiple layer metal silk screen 14 can be arranged to in-line, V-arrangement and W shape, and is positioned on the support 20 in the deduster housing 3.When V-shaped or W shape was arranged, each piece woven wire lower end was held in the silk screen lower seal groove 15 that is fixed on the support 20, and block with silk screen top seal card 2 upper end, makes each piece woven wire be linked to be an integral body.Above the multiple layer metal silk screen, be positioned at dash demist plate 12 belows, one group of sparge pipe and nozzle 13 to the woven wire water spray is set, the sparge pipe nozzle is when woven wire is sprayed water, on the mesh of woven wire, form the moisture film that flows downward, can remove airborne fine dust, and make dust with getting rid of in the flow direction dedusting pond 17.The utility model is also set up the water level control apparatus in a hydrolock dedusting pond 17 in the outside of deduster housing 3 bottoms, it is by the flood level adjustment hole of opening on deduster housing 3 21, the topped firmly water level adjustable plate 7 of flood level adjustment hole 21 of energy, overflow water water shutoff pond 11, top are fixed on subsurface adpting flange 6 and cover plate 9 compositions that deduster housing 3 upper and lower parts are immersed in overflow water water shutoff pond 11.The transverse width of water level adjustable plate 7 is slightly larger than the transverse width of flood level adjustment hole 21, to guarantee that water in the dedusting pond 17 can only cover this adjustable plate top and enter in the overflow water water shutoff pond 11, thereby control water level in the deduster exactly, promptly control the water depth that do not have of jet pipe 16.Water level adjustable plate 7 relies on and passes the lower end and be fixed in several adjusting bolts 8 in the fixed mount upper end screw on the deduster housing 3 and be positioned at and remove on the main device housing 3.Under deduster operation dynamic condition, when needing to adjust in the deduster water level, promptly detachable lower cover 9 unclamps bolt 8, adjusts the height of water level adjustable plate 7, thereby realizes the adjusting to water level height in the deduster.When the dedusting air exhauster was opened, negative pressure was uprushed in the deduster, and water levels raise suddenly in the dedusting pond 17, but water can discharge from flood level adjustment hole 21 rapidly, and that has guaranteed jet pipe 16 does not have water depth stable, more can not uprush because of resistance and burn motor.The lateral wall top in overflow water water shutoff pond 11 is provided with overflow pipe 10, and the water that dedusting pond 17 is overflowed can in time be discharged from overflow water water shutoff pond 11 smoothly, helps deduster stable operation.

Claims (3)

1. water-bath silk screen high-efficiency dust remover, it comprises deduster housing [3], deduster outlet [1] on the top of deduster housing [3] or top one sidewall, be positioned at the dedusting pond [17] of deduster housing [3] inner bottom part, be positioned at outside deduster housing [3] one sidewalls, and the buffering pond [18] that the bottom is communicated with dedusting pond [17], the bottom of buffering pond [18] lateral wall is provided with mud hole [19] clearly, top is provided with the overflow pipe [10 '] of dedusting pond [17] water level under the control deduster non-operating state, another sidewall peripheral hardware of deduster housing [3] has the averaging wind pipe [5] of band dust laden air import [4], one end is communicated with averaging wind pipe [5], the sidewall slope that the other end passes deduster housing [3] is inserted the dust laden air jet pipe [16] in the dedusting pond [17], be positioned at the top of deduster housing [3], and dash demist plate [12] near deduster outlet [1], it is characterized in that being provided with the one group of sparge pipe and the nozzle [13] of multiple layer metal silk screen [14] that is positioned on the support [20] and last its water spray of direction that is installed in multiple layer metal silk screen [14] in the below of dash demist plate [12], also be provided with a hydrolock dedusting pond [17] water level control apparatus in the outside of deduster housing [3] bottom, it is by the flood level adjustment hole of opening on deduster housing [3] [21], the water level adjustable plate [7] that the lower end is fixed in the adjusting bolt location in the fixed mount upper end screw on the deduster housing [3] is passed in dependence, overflow water water shutoff pond [11], top is fixed on the deduster housing [3], the bottom is immersed in the subsurface adpting flange in overflow water water shutoff pond [11] [6] and cover plate [9] is formed, and the lateral wall top in overflow water water shutoff pond [11] is provided with overflow pipe [10].

2. water-bath silk screen high-efficiency dust remover according to claim 1 is characterized in that multiple layer metal silk screen [14] can be arranged to in-line, V-arrangement or W shape.

3. water-bath silk screen high-efficiency dust remover according to claim 2 is characterized in that arranging that each piece woven wire of the multiple layer metal silk screen [14] of forming V-shape or W shape relies on the silk screen lower seal groove [15] that is fixed on the support [20] to be connected in aggregates with silk screen top seal card [2].

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