CN203002195U

CN203002195U - Exhaust sulfur and dust removal device

Info

Publication number: CN203002195U
Application number: CN 201220554170
Authority: CN
Inventors: 张宏生
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-26
Filing date: 2012-10-26
Publication date: 2013-06-19
Anticipated expiration: 2022-10-26

Abstract

The utility model discloses an exhaust sulfur and dust removal device. The exhaust sulfur and dust removal device comprises a draught device, a spray device, a mist dissipation device and an exhaust pipeline, wherein the spray device comprises a water spray device, a motor arranged on the side wall of the exhaust pipeline and a rotary atomizing device arranged on an output shaft of the motor; and at least one mist breaking diversion ring is arranged in the exhaust pipeline and positioned in back of the spray device, the front edge of the mist breaking diversion ring is fixed with the surrounding wall of an exhaust port, the rear side of the mist breaking diversion ring is inclined inwards, a plurality of mist pouring nets are also arranged in the exhaust pipeline, and the mist pouring nets are circular or pot-shaped and are arranged in back of the mist breaking diversion ring or spaced from the mist breaking diversion ring. The atomizing effect of the spray device is further improved, so that exhaust can be in full contact with water mist; the centrifugal water mist removal effect of the mist dissipation device is also improved; pure air is finally exhausted; and the exhaust sulfur and dust removal device is suitable for sulfur and dust removal and purification of various exhausts, and plays a positive role in protecting the ecological environment.

Description

The tail gas desulfation dust-extraction device

Technical field

The utility model relates to a kind of device that carries out purified treatment for the tail gas of various dischargings, specifically refers to a kind of device that carries out desulfurization and dedusting, purification filtering that can remove flue dust, paint and noxious material in exhaust emissions.

Background technology

Along with industrial development, the discharge capacity of various industrial waste gases is increasing, tend in industrial waste gas with flue dust and a large amount of noxious material, not only polluting the environment has a strong impact on the healthy of workman and the periphery resident of factory, and especially to the heavy damage of earth ecology.Existing emission-control equipment is mainly the method by atomized water spray in waste gas, flue dust and noxious material in waste gas are sneaked in water smoke, but all less than way preferably, water smoke is separated fully from air-flow, in the gas of therefore discharging, flue dust and noxious material still can't effectively be removed.The Chinese patent communique is disclosed on May 6th, 2009, and Granted publication number is " chimney tail-gas purification device " of " CN201231118Y ", and it comprises chimney, straight flue, clarifier-tank, water mist sprinkling device; Straight flue is arranged on the chimney hypomere and produces between the operation room of tail gas, and chimney and straight flue consist of the exhaust emissions passage; The water mist sprinkling device comprises the gentle spray painting rifle of water spray gun, and the water spray gun is arranged on along in the exhaust emissions passage leading portion of flow of flue gas direction, and some aerosol spray guns are arranged in exhaust emissions passage back segment; After purifying in straight flue and the sewage in chimney flows into clarifier-tank by pipeline, the water mist sprinkling device is connected by purifying waste water in pipeline and Compressed Gas and clarifier-tank.In described chimney, aerosol spray gun top also is provided with mist eliminator, is provided with flusher above mist eliminator.The sprayer unit sprayization effect of this equipment is undesirable, thereby can't make water smoke fully contact mixing with tail gas, and its mist eliminator to catch fog effect also undesirable, the water smoke that still has part carrying flue dust and noxious material is discharged.

The utility model content

The purpose of this utility model is for the defective of above-mentioned prior art and deficiency, can further improve atomizing effect, the desulfation dust-extraction device that tail gas and water smoke can be contacted more fully for people provide a kind of.

Technical solution adopted in the utility model is for achieving the above object: it comprises blower unit, sprayer unit, fog-dissipation device and discharge duct this tail gas desulfation dust-extraction device, and described sprayer unit comprises water injector, be installed on the motor of discharge duct sidewall and be arranged on rotary-atomizing device on motor output shaft; Described motor output shaft stretches into discharge duct, and is connected with bearing in being fixed on discharge duct, is embedded with an axle sleeve at the discharge duct sidewall, and this axle sleeve is set in the outside of motor output shaft; At least one broken mist baffle liner is installed in described discharge duct, and be positioned at the rear side of sprayer unit, and the front side edge of this broken mist baffle liner is along fixing with the perisporium of exhaust outlet, and rear side slopes inwardly, offer a plurality of grid holes, the axioversion of this grid hole and discharge duct on broken mist baffle liner; Polylith also is installed in discharge duct sprinkles the mist net, the rounded or pot shape of this bold and vigorous mist net, be installed on broken the mist baffle liner rear side or with the interval setting of broken mist baffle liner; Described fog-dissipation device comprises fog dispersal pipeline and water smoke separator, fog dispersal pipeline front end is high, the rear end is low, front end at the fog dispersal pipeline is equipped with the centrifugal fan blade that changes its course of air inducing, the rear end of fog dispersal pipeline is provided with the back of pipeline tank, rear end inwall at the fog dispersal pipeline also is provided with polylith pipeline water fender, one side opening of this pipeline water fender, and opening part is relative with the direction of rotation of air-flow, and extend to the inwall of back of pipeline tank the rear end of pipeline water fender; Described water smoke separator comprises that air inlet stretches into the cylindrical shell of back of pipeline tank, and the sidewall of cylindrical shell is outwards dispersed, and is provided with the cylindrical shell return flume in the rear end of cylindrical shell, and pre-large post-small taper blast pipe is interspersed in the rear end of cylindrical shell return flume; Also be provided with polylith cylindrical shell water fender at the rear end of cylindrical shell inwall, a side opening of this cylindrical shell water fender, and opening part is relative with the direction of rotation of air-flow, and extend to the inwall of cylindrical shell return flume the rear end of cylindrical shell water fender; At least two air-ducting ring are installed in described cylindrical shell, and the sidewall of this air-ducting ring is curved, leaves the gap between adjacent two air-ducting ring, and the air-ducting ring sidewall of rearmost end passes the center of cylindrical shell return flume; The bottom of back of pipeline tank and cylindrical shell return flume communicates with main sewer after by drainpipe.

Described water injector comprises the motor output shaft of water inlet pipe and hollow, and water inlet pipe docks by mechanical sealing member with the rear end of motor output shaft, offers a plurality of hole for water sprayings in the front end side wall of motor output shaft; Described atomising device comprises the sleeve of fixing with motor output shaft and the discoid net dish that is arranged on the sleeve outside, the net dish is comprised of high speed centrifugation spraying net sheet and the broken mist blade of high speed centrifugation shovel water respectively, be expanded metal lath in the middle of high speed centrifugation spraying net sheet, and the broken mist blade of high speed centrifugation shovel water support take the steel plate bar as skeleton and fix; Offer relative with hole for water spraying many at the sidewall of sleeve and tilt tank, the net dish is positioned at first rear side that tilts tank; The return air blade that inclination is arranged in the arranged outside of net dish, the incline direction of return air blade is opposite with the direction of rotation of motor output shaft; Change its course the brokenly incline direction of mist blade of the shovel water that inclination is installed in the outer of net dish front side or the rear side mist blade that changes its course brokenly, this shovel water is identical with the direction of rotation of motor output shaft.

Described water injector comprises the motor output shaft of water inlet pipe and hollow, and water inlet pipe docks by mechanical sealing member with the rear end of motor output shaft, offers a plurality of hole for water sprayings in the front end side wall of motor output shaft; Described atomising device comprises that two groups of air inducing fixing with motor output shaft are connected fan blade, the outer that connects fan blade at air inducing all is equipped with retainer ring, the broken mist blade of multi-disc shovel water is installed between two retainer rings, the broken mist blade of described shovel water is arc, the rear and front end is provided with installing tache, this installing tache passes bending after retainer ring, and the broken mist blade of shovel water and retainer ring are fixed; The radial skew of the broken mist blade of shovel water and retainer ring, and offer brokenly the mist grid hole in the inboard of the broken mist blade of shovel water.

Described water injector comprises the motor output shaft of water inlet pipe and hollow, and water inlet pipe docks by mechanical sealing member with the rear end of motor output shaft, offers a plurality of hole for water sprayings in the front end side wall of motor output shaft; Described atomising device comprises the sleeve of fixing with motor output shaft and the web plate that is arranged on the sleeve outside, offer relative with hole for water spraying many at the sidewall of sleeve and tilt tank, this web plate is thick middle, the arch that the edge is thin, and be positioned at rear side in sleeve; Change its course the brokenly incline direction of mist blade of the shovel water that inclination is installed in the outer, front side of the web plate mist blade that changes its course brokenly, this shovel water is identical with the direction of rotation of motor output shaft.

Described water injector comprises the water inlet pipe that stretches into discharge duct, the end bending of this water inlet pipe, and bending part and motor output shaft be in same axis, and offer a plurality of hole for water sprayings at the bending part of water inlet pipe; Described atomising device comprises the sleeve that is fixed on the motor output shaft front end and is fixed on web plate on sleeve, described sleeve set is in the bending part outside of water inlet pipe, offer relative with hole for water spraying many at the sidewall of sleeve and tilt tank, described web plate is thick middle, the arch that the edge is thin, and be positioned at first rear side that tilts tank; Change its course the brokenly incline direction of mist blade of the shovel water that inclination is installed in the outer, front side of the web plate mist blade that changes its course brokenly, this shovel water is identical with the direction of rotation of motor output shaft.

Described water injector comprises the water inlet pipe that stretches into discharge duct, and the end sidewall of this water inlet pipe offers a plurality of hole for water sprayings; Described atomising device comprises the broken nebelwind leaf that fixes with motor output shaft, and this broken nebelwind leaf is positioned at the rear side of water injector.Be evenly equipped with the polylith wind speed mist blade that changes its course brokenly on broken nebelwind leaf, it designs for arc, offers a plurality of broken mists holes at the every wind speed mist blade that changes its course brokenly.

Described mechanical sealing member front side is provided with the oil sealing clamping plate with oil sealing, rear side at mechanical sealing member is provided with the lubricating cup clamping plate, between oil sealing clamping plate and lubricating cup clamping plate, lubricating cup is installed, offers oil filler point above lubricating cup, and at the oil filler point top plug, capping is housed.

Be installed with front dewatering cover and rear dewatering cover on described motor output shaft, this front dewatering cover and rear dewatering cover lay respectively at the front and back of axle sleeve, and the inwall of axle sleeve front end is outward-dipping; Be filled with the wool felt that has adsorbed lubricating oil between axle sleeve and motor output shaft.

The bottom of described discharge duct is provided with two water bars, and two water bars lay respectively at the front and back of rotary-atomizing device.

Described discharge duct front end is high, the rear end is low, in the rear end of discharge duct, drain bucket is installed also, and the diameter of drain bucket is greater than discharge duct, and the bottom of drain bucket communicates with main sewer.

The utility model has further improved the atomizing effect of sprayer unit, and tail gas can be contacted more fully with water smoke, has also improved the centrifugal effect except water smoke of fog-dissipation device, finally discharges pure air.Setting by broken mist baffle liner and bold and vigorous mist net; the globule that can will be adsorbed on the discharge duct sidewall is pushed in the middle of discharge duct and atomizing again; tail gas can be contacted more fully with water smoke; flue dust in tail gas; and noxious material can more easily be sneaked in water; the desulfurization dust separation that is applicable to various tail gas is processed, and plays positive role to preserving the ecological environment.

Description of drawings

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of the utility model sprayer unit the first embodiment.

Fig. 3 is the structural representation of the utility model sprayer unit the second embodiment.

Fig. 4 is the structural representation of the utility model sprayer unit the 3rd embodiment.

Fig. 5 is the structural representation of the utility model sprayer unit the 4th embodiment.

Fig. 6 is the structural representation of the utility model sprayer unit the 5th embodiment.

The specific embodiment

As shown in Figure 1, the utility model is a kind of tail gas desulfation dust-extraction device, it comprises blower unit 100, sprayer unit 200, fog-dissipation device 400 and discharge duct 300, by blower unit 100, tail gas is discharged fast backward, after process sprayer unit 200, tail gas fully contacts with water smoke, impurity, Toxic mass-energy in tail gas are dissolved in water, then water smoke and air-flow are together entered fog-dissipation device 400, fog-dissipation device 400 can be separated the water smoke that is mixed with impurity and noxious material from air-flow, make the pure air of final discharge.

Described sprayer unit 200 is arranged on the bending place of discharge duct 300, and described sprayer unit 200 comprises water injector, be installed on the motor 216 of discharge duct 300 sidewalls and be arranged on rotary-atomizing device on motor output shaft 218.Described motor output shaft 218 stretches into discharge duct 300, and is connected with bearing 212 in being fixed on discharge duct 300, is embedded with an axle sleeve 217 at discharge duct 300 sidewalls, and this axle sleeve 217 is set in the outside of motor output shaft 218.Setting by bearing 212 and axle sleeve 217 makes motor output shaft 218 can not rock, and avoid tail gas when high-speed rotation and leaks.Be installed with front dewatering cover 208 and rear dewatering cover 206 on described motor output shaft 218, this front dewatering cover 208 and rear dewatering cover 206 lay respectively at the front and back of axle sleeve 217, and the inwall of axle sleeve 217 front ends is outward-dipping, therefore water can be thrown away by dewatering cover, prevent from entering in axle sleeve 217.Be filled with the wool felt 207 that has adsorbed lubricating oil between axle sleeve 217 and motor output shaft 218, make axle sleeve 217 and motor output shaft 218 keep for a long time lubricated, at the inner ring of axle sleeve 217 and the rear side of front dewatering cover 208, oil sealing is installed, avoids outflow of lubrication oil.Bending place, other end at same discharge duct 300 also is equipped with assistant spray device 201, described assistant spray device 201 according to how much increasing of tail gas amount the quantity of net sheet, the net sheet is fixed on axle by axle sleeve, central siphon is not supplied water, the water that replenishes the delivery port ejection on water pipe 201.1 by annular is applied to and forms the mist wall on the net sheet, has strengthened atomizing effect.

At least one broken mist baffle liner 600 is installed in described discharge duct 300, and be positioned at the rear side of sprayer unit 200, should break the front side edge of mist baffle liner 600 along fixing with the perisporium of exhaust outlet, rear side slopes inwardly, offer a plurality of grid holes 601 on broken mist baffle liner 600, the axioversion of this grid hole 601 and discharge duct 300.Polylith also is installed in discharge duct 300 sprinkles mist net 700, this rounded or pot shape, be installed on broken mist baffle liner 600 rear side or with broken mist baffle liner 600 intervals settings.The pipeline that sprinkles mist net 700 with broken mist baffle liner 600 and polylith has played the atomizing effect of strengthening pipeline.That water in discharge duct 300 are subjected to is pneumatic, influenced by wind pressure is close to the interior wall friction rotation of discharge duct 300 and pushes ahead, when running into the broken mist baffle liner 600 of inclined design, water is broken the tilt grid hole 601 of design of mist baffle liner 600 and is dispersed as water smoke, and along broken mist baffle liner 600 not the shiny surface water conservancy diversion of perforate to discharge duct 300 centers.Continuously water is subjected to brokenly mist baffle liner 600 effect to spread fast from small to large centrifugal mixer to rotate, be formed centrally intensive water smoke layer and again advance backward in discharge duct 300, and the water smoke layer is broken up after sprinkling mist net 700 again running into.Water smoke is impinged upon on discharge duct 300 walls by self gravitation and again converges in a segment distance, acted on by next broken mist baffle liner 600 and is formed centrally intensive water smoke fluctuation layer in discharge duct 300, goes round and begins again.When water runs into each broken mist baffle liner 600, the potential energy of the water smoke fluctuation that the water smoke that is subjected at first to spread after guide functions produces is maximum, the dense degree of water smoke is also maximum, then diffuse to form more large-area water smoke layer, so because the kinetic energy pneumatic, that blast produces in discharge duct 300 is that the different water smoke fluctuation that is subjected to brokenly mist baffle liner 600 to act on the water smoke layer that forms is also different, have no rule.So more can omnibearingly make the waste gas by discharge duct 300 be subjected to each broken mist baffle liner 600 effect, fully contact agitating friction and mix, strengthen the purification filtering of waste gas.According to the size of waste gas pollution control and treatment amount, can lengthen pipeline in pipeline, and number and the spacing of the broken mist baffle liner 600 of reasonable arrangement and bold and vigorous mist net 700 reach better effect.

Described discharge duct 300 front ends are high, the rear end is low, facilitated water toward rear end stream.Rear end at discharge duct 300 also is equipped with drain bucket 800, and the diameter of drain bucket 800 is greater than discharge duct 300, and the bottom of drain bucket 800 communicates with main sewer 500.The globule that is not atomized carries out main sewer 500 after flowing into drain bucket 800.Also be provided with an exhaust tube 504 above curved 502 downstream at the return-air of main sewer 500, the other end of exhaust tube 504 passes into discharge duct 300.In case there is air-flow to enter return-air curved 502 top downstream, if untimely discharge, can increase the air pressure of main sewer 500, thereby the speed that the water that impact is converged enters, after being provided with exhaust tube 504, the gravitation of discharge duct 300 interior wind makes downstream that curved 502 gas detaches, and the water that converges can be circulated fast.

Described fog-dissipation device 400 comprises fog dispersal pipeline 403 and water smoke separator, and fog dispersal pipeline 403 front ends are high, the rear end is low, has facilitated water toward rear end stream.Front end at fog dispersal pipeline 403 is equipped with the centrifugal fan blade that changes its course of air inducing, the blade 402 that changes its course that the centrifugal fan blade that changes its course of air inducing comprises the fog dispersal motor 401 that is installed on discharge duct 300 sidewalls and is installed on fog dispersal motor 401 output shaft front ends, described cross section of changing its course blade 402 is 7 word arcs, water smoke can condense after running into the blade 402 that changes its course, and by self gravity, centrifugal drying is to the inwall of fog dispersal pipeline 403, be subject to the impact of blast at the current of fog dispersal pipeline 403 inwalls, remain and be close to tube wall and discharge backward.The rear end of fog dispersal pipeline 403 is provided with back of pipeline tank 405, the final flow ipe return flume 405 of current of fog dispersal pipeline 403 inwalls.The bottom of back of pipeline tank 405 communicates with main sewer 500 after by drainpipe, and the current in back of pipeline tank 405 can be discharged fast.Rear end inwall at fog dispersal pipeline 403 also is provided with polylith pipeline water fender 404, a side opening of this pipeline water fender 404, and opening part is relative with the direction of rotation of air-flow, and extend to the inwall of back of pipeline tank 405 rear end of pipeline water fender 404.The current that move with air-flow avoid current to splash running into pipeline water fender 404 import pipe return flume 405 fast, are again dispelled into water smoke by air-flow.

Described water smoke separator comprises that air inlet 406 stretches into the cylindrical shell 408 of back of pipeline tank 405, so air flow energy enters cylindrical shell 408 from air inlet 406, and current are stopped by air inlet 406 sidewalls, can't flow into cylindrical shell 408.The sidewall of cylindrical shell 408 is outwards dispersed, and is provided with cylindrical shell return flume 410 in the rear end of cylindrical shell 408, and the current that condense in cylindrical shell 408 finally are gathered in cylindrical shell return flume 410.The bottom of cylindrical shell return flume 410 communicates with main sewer 500 after by drainpipe, and the current in cylindrical shell return flume 410 can be discharged fast.At cylindrical shell 408 rear sides, pre-large post-small taper blast pipe 411 is installed, the front end of this taper blast pipe 411 is interspersed in the rear end of cylindrical shell return flume 410, therefore air flow energy is discharged from taper blast pipe 411, and taper blast pipe 411 sidewalls can also stop the fraction globule, avoids the globule to discharge.Also be provided with polylith cylindrical shell water fender 409 at the rear end of cylindrical shell 408 inwall, a side opening of this cylindrical shell water fender 409, and opening part is relative with the direction of rotation of air-flow, and extend to the inwall of cylindrical shell return flume 410 rear end of cylindrical shell water fender 409.The current that move with air-flow can import cylindrical shell return flume 410 fast running into cylindrical shell water fender 409, avoid current to splash, and are again dispelled into water smoke by air-flow.The interior front and back of described cylindrical shell 408 are provided with at least two air-ducting ring 407, and this air-ducting ring 407 is fixing with cylindrical shell 408 by air-ducting ring support bar 412, and the sidewall of air-ducting ring 407 is curved, leaves the gap between adjacent two air-ducting ring 407.Air flow energy is discharged in the middle of air-ducting ring 407 smoothly, and concentrate on cylindrical shell 408 centers, water flow into cylindrical shell return flume 410 along cylindrical shell 408 inwalls.The length of air-ducting ring 407 sidewalls of rearmost end lengthens, and passes the center of cylindrical shell return flume 410, and the water droplet that more can avoid flowing into cylindrical shell return flume 410 is fallen cylindrical shell 408 centres, and being blown by air-flow one has the globule to discharge outside cylindrical shell 408 again.

As shown in Figure 2, water injector described in the utility model sprayer unit 200 first embodiment comprises the motor output shaft 218 of water inlet pipe 201 and hollow, water inlet pipe 201 docks by mechanical sealing member 213 with the rear end of motor output shaft 218, offers a plurality of hole for water sprayings in the front end side wall of motor output shaft 218.Therefore motor 216 can rotate by drive motor output shaft 218, and does not also affect the sealing between motor output shaft 218 and water inlet pipe 201 when rotating.Described motor output shaft 218 rear ends are equipped with cooling fan blade 215, and cooling fan blade 215 is by motor output shaft 218 driven rotary, and the wind-force of generation can make motor 216 coolings, avoids raising by the cooling water temperature in motor output shaft 218.

Described mechanical sealing member 213 front sides are provided with the oil sealing clamping plate 214 with oil sealing 205, are provided with lubricating cup clamping plate 202 at the rear side of mechanical sealing member 213, between oil sealing clamping plate 214 and lubricating cup clamping plate 202, lubricating cup 204 are installed.Offer oil filler point above lubricating cup 204, and at the oil filler point top plug, capping 203 is housed, open capping 203 and poured into lubricating oil in lubricating cup 204 in the past.Lubricating oil in lubricating cup 204 can better guarantee stability and the service life of mechanical sealing member 213 in running up, and have increased the rub resistance between the motor output shaft 218 of oil sealing and High Rotation Speed.

Described atomising device comprises the sleeve 219 of fixing with motor output shaft 218 and the discoid net dish 209 that is arranged on sleeve 219 outsides, net dish 209 is comprised of high speed centrifugation spraying net sheet 209.1 and the broken mist blade 209.2 of high speed centrifugation shovel water respectively, be expanded metal lath in the middle of high speed centrifugation spraying net sheet 209.1, and the broken mist blade 209.2 of high speed centrifugation shovel water support take the steel plate bar as skeleton and fix.Offer relative with hole for water spraying many at the sidewall of sleeve 219 and tilt tank 220, net dish 209 is positioned at first rear side that tilts tank 220, and water so out just can be dispersed on net dish 209 by air speed influence.The return air blade 210 that inclination is arranged in the arranged outside of net dish 209, the incline direction of return air blade 210 is opposite with the direction of rotation of motor output shaft 218.This return air blade 210 can will be adsorbed on the air-flow of discharge duct 300 sidewalls toward pulling back, because this part air-flow contacts insufficient not by net dish 209 with water smoke.Return air blade 210 can also with converging and be close to the centrifugal water smoke that is dispersed as of water of duct wall bottom, improve atomizing effect.The shovel water that inclination is installed in the outer, front side of the net dish 209 of the front several atomising devices mist blade 211 that changes its course brokenly, change its course the brokenly incline direction of mist blade 211 of the rear side outer of the net dish 209 of an atomising device shovel water that inclination the is installed mist blade 211 that changes its course brokenly in the end, this shovel water is identical with the direction of rotation of motor output shaft 218.Before several atomising devices will shovel the water reason that mist blade 211 is arranged on the front side that changes its course brokenly and be, by inclination spray cistern water centrifugal drying out to surrounding, by the shovel water of High Rotation Speed change its course brokenly that mist blade 211 forms can be compared to seamless baffle plate circle and stopping after, centrifugal water is concentrated on the centre of net dish 209, make which floor net dish 209 of being formed by high speed centrifugation spraying net sheet 209.1 of back can be with these globules or water smoke by the utilization that fully atomizes of the expanded metal lath on it.Last atomising device will shovel the water reason that mist blade 211 is arranged on rear side that changes its course brokenly, the change its course broken High Rotation Speed of mist blade 211 of shovel water can will converge and be close to water centrifugal scoop up simultaneously of discharge duct 300 bottom walls and break up, and the globule of breaing up or water smoke concentrate on the centre and centrifugal rotation advances backward.

The bottom of described discharge duct 300 is provided with the front and back that 227, two water bars 227 of two water bars lay respectively at the rotary-atomizing device.Two water bars 227 can prevent aqueous reflux, also can make the water that collects hoard between these two water bars 227, allow the more water of atomising device utilization, reach better atomizing effect.

As shown in Figure 3, the water injector described in the utility model sprayer unit 200 second embodiment is identical with the first embodiment.Described atomising device comprises that two groups of air inducing fixing with motor output shaft 218 are connected fan blade 222, all is equipped with in the outer of air inducing connection fan blade 222 the broken mist blade 221 of multi-disc shovel water is installed between 223, two retainer rings 223 of retainer ring.The broken mist blade 221 of described shovel water is arc, and the rear and front end is provided with installing tache 224, and this installing tache 224 passes the rear bending of retainer ring 223, and the broken mist blade 221 of shovel water is fixed with retainer ring 223.The radial skew of the broken mist blade 221 of shovel water and retainer ring 223, and offer brokenly mist grid hole 225 in the inboard of the broken mist blade 221 of shovel water.The outside of the broken mist blade 221 of shovel water is mainly used in water is scooped up and inwardly converges, and the inboard of the broken mist blade 221 of shovel water is broken into water smoke by broken mist grid hole 225 with the globule.Two water bars 227 are installed in a second embodiment too.

As shown in Figure 4, the water injector described in the utility model sprayer unit 200 the 3rd embodiment is identical with the first embodiment.Described atomising device comprises the sleeve 219 of fixing with motor output shaft 218 and the web plate 226 that is arranged on sleeve 219 outsides, offer relative with hole for water spraying many at the sidewall of sleeve 219 and tilt tank 220, this web plate 226 is thick middle, the arch that the edge is thin, can strengthen support strength, and be positioned at first rear side that tilts tank 220, water so out just can be dispersed on web plate 226 by air speed influence.Web plate 226 relatively with the first embodiment in net dish 209, thickness reduces, and the wind speed velocity of liquid assets is strengthened greatly, arch design can make support strength larger.Change its course the brokenly incline direction of mist blade 211 of the shovel water that inclination is installed in the outer of web plate 226 front sides or the rear side mist blade 211 that changes its course brokenly, this shovel water is identical with the direction of rotation of motor output shaft 218.By inclination spray cistern water centrifugal drying out to surrounding, by the shovel water of High Rotation Speed change its course brokenly that mist blade 211 forms can be compared to seamless baffle plate circle and stopping after, centrifugal water is concentrated on the centre of web plate 226, make which floor web plate of back 226 these globules or water smoke can be taken full advantage of.Two water bars 227 are installed in the 3rd embodiment too.

As shown in Figure 5, water injector described in the utility model sprayer unit 200 the 4th embodiment comprises the water inlet pipe 201 that stretches into discharge duct 300, the end bending of this water inlet pipe 201, and bending part and motor output shaft 218 are in same axis, and offer a plurality of hole for water sprayings at the bending part of water inlet pipe 201.Described atomising device comprises the sleeve 219 that is fixed on motor output shaft 218 front ends and is fixed on web plate 226 on sleeve 219, and its web plate 226 is identical with the 3rd embodiment.Described sleeve 219 is set in the bending part outside of water inlet pipe 201, offers relative with hole for water spraying many at the sidewall of sleeve 219 and tilts tank 220, and described web plate 226 is positioned at first rear side that tilts tank 220 of sleeve 219.The globule that sprays by hole for water spraying is by tilting the centrifugal ejection of tank 220 on sleeve 219, atomizing fast after clashing into the web plate 226 of High Rotation Speed backward with air-flow.

As shown in Figure 6, the water injector described in the utility model sprayer unit 200 the 4th embodiment comprises the water inlet pipe 201 that stretches into discharge duct 300, and the end sidewall of this water inlet pipe 201 offers a plurality of hole for water sprayings; Described atomising device comprises the broken nebelwind leaf 228 that fixes with motor output shaft 218, should break the rear side that nebelwind leaf 228 is positioned at water injector, be evenly equipped with the polylith wind speed mist blade 229 that changes its course brokenly on broken nebelwind leaf 228, it designs for arc, offers a plurality of broken mists hole 230 at the every wind speed mist blade 229 that changes its course brokenly.From the wind speed of water along tube contacts to High Rotation Speed of the hole for water spraying of the water inlet pipe 201 ejection mist blade 229 that changes its course brokenly, a part of water is thrown toward surrounding, a part of water has played atomizing effect after touching a plurality of broken mists hole 230, the High Rotation Speed of blade has changed the flow direction of air-flow simultaneously, air-flow drive water is pushed ahead at inner-walls of duct and is played rolling spin friction effect, wind speed changes its course brokenly and when 229 pairs of air-flows of mist blade change its course, water is beaten mist, has multiple effect and function.

The utility model has further improved atomizing effect by having increased sprayer unit 200, and tail gas can be contacted more fully with water smoke.Setting by broken mist baffle liner 600 and bold and vigorous mist net 700; the globule that can will be adsorbed on discharge duct 300 sidewalls is pushed in the middle of discharge duct 300 and atomizing again; tail gas can be contacted more fully with water smoke; flue dust in tail gas, paint and noxious material can more easily dissolve in water; the desulfurization dust separation that is applicable to various tail gas is processed, and plays positive role to preserving the ecological environment.

Claims

1. tail gas desulfation dust-extraction device, it comprises blower unit (100), sprayer unit (200), fog-dissipation device (400) and discharge duct (300), it is characterized in that described sprayer unit (200) comprises water injector, the motor (216) of (300) sidewall that is installed on discharge duct and be arranged on rotary-atomizing device on motor output shaft (218), described motor output shaft (218) stretches into discharge duct (300), and the bearing (212) interior with being fixed on discharge duct (300) is connected, be embedded with an axle sleeve (217) at discharge duct (300) sidewall, this axle sleeve (217) is set in the outside of motor output shaft (218), at least one broken mist baffle liner (600) is installed in described discharge duct (300), and be positioned at the rear side of sprayer unit (200), should break the front side edge of mist baffle liner (600) along fixing with the perisporium of exhaust outlet, rear side slopes inwardly, offer a plurality of grid holes (601) on broken mist baffle liner (600), the axioversion of this grid hole (601) and discharge duct (300), polylith also is installed in discharge duct (300) sprinkles mist net (700), the rounded or pot shape of this bold and vigorous mist net (700), be installed on broken mist baffle liner (600) rear side or with broken mist baffle liner (600) interval setting, described fog-dissipation device (400) comprises fog dispersal pipeline (403) and water smoke separator, fog dispersal pipeline (403) front end is high, the rear end is low, front end at fog dispersal pipeline (403) is equipped with the centrifugal fan blade that changes its course of air inducing, the rear end of fog dispersal pipeline (403) is provided with back of pipeline tank (405), rear end inwall at fog dispersal pipeline (403) also is provided with polylith pipeline water fender (404), one side opening of this pipeline water fender (404), and opening part is relative with the direction of rotation of air-flow, extend to the inwall of back of pipeline tank (405) rear end of pipeline water fender (404), described water smoke separator comprises that air inlet (406) stretches into the cylindrical shell (408) of back of pipeline tank (405), the sidewall of cylindrical shell (408) is outwards dispersed, be provided with cylindrical shell return flume (410) in the rear end of cylindrical shell (408), pre-large post-small taper blast pipe (411) is interspersed in the rear end of cylindrical shell return flume (410), rear end inwall at cylindrical shell (408) also is provided with polylith cylindrical shell water fender (409), one side opening of this cylindrical shell water fender (409), and opening part is relative with the direction of rotation of air-flow, and extend to the inwall of cylindrical shell return flume (410) rear end of cylindrical shell water fender (409), at least two air-ducting ring (407) are installed in described cylindrical shell (408), the sidewall of this air-ducting ring (407) is curved, leave the gap between adjacent two air-ducting ring (407), the air-ducting ring of rearmost end (407) sidewall passes the center of cylindrical shell return flume (410), the bottom of back of pipeline tank (405) and cylindrical shell return flume (410) communicates with main sewer (500) after by drainpipe.

2. tail gas desulfation dust-extraction device according to claim 1, it is characterized in that described water injector comprises the motor output shaft (218) of water inlet pipe (201) and hollow, water inlet pipe (201) docks by mechanical sealing member (213) with the rear end of motor output shaft (218), offers a plurality of hole for water sprayings in the front end side wall of motor output shaft (218); Described atomising device comprises the sleeve (219) of fixing with motor output shaft (218) and the discoid net dish (209) that is arranged on sleeve (219) outside, net dish (209) is comprised of high speed centrifugation spraying net sheet (209.1) and the broken mist blade (209.2) of high speed centrifugation shovel water respectively, be expanded metal lath in the middle of high speed centrifugation spraying net sheet (209.1), and the broken mist blade (209.2) of high speed centrifugation shovel water support take the steel plate bar as skeleton and fix; Offer relative with hole for water spraying many at the sidewall of sleeve (219) and tilt tank (220), net dish (209) is positioned at first rear side that tilts tank (220); The return air blade (210) that inclination is arranged in the arranged outside of net dish (209), the incline direction of return air blade (210) is opposite with the direction of rotation of motor output shaft (218); Change its course the brokenly incline direction of mist blade (211) of the shovel water that inclination is installed in the outer of net dish (209) front side or the rear side mist blade (211) that changes its course brokenly, this shovel water is identical with the direction of rotation of motor output shaft (218).

3. tail gas desulfation dust-extraction device according to claim 1, it is characterized in that described water injector comprises the motor output shaft (218) of water inlet pipe (201) and hollow, water inlet pipe (201) docks by mechanical sealing member (213) with the rear end of motor output shaft (218), offers a plurality of hole for water sprayings in the front end side wall of motor output shaft (218); Described atomising device comprises that two groups of air inducing fixing with motor output shaft (218) are connected fan blade (222), the outer that connects fan blade (222) at air inducing all is equipped with retainer ring (223), the broken mist blade (221) of multi-disc shovel water is installed between two retainer rings (223), the broken mist blade (221) of described shovel water is arc, the rear and front end is provided with installing tache (224), this installing tache (224) passes the rear bending of retainer ring (223), and the broken mist blade (221) of shovel water is fixed with retainer ring (223); The radial skew of the broken mist blade (221) of shovel water and retainer ring (223), and offer brokenly mist grid hole (225) in the inboard of the broken mist blade (221) of shovel water.

4. tail gas desulfation dust-extraction device according to claim 1, it is characterized in that described water injector comprises the motor output shaft (218) of water inlet pipe (201) and hollow, water inlet pipe (201) docks by mechanical sealing member (213) with the rear end of motor output shaft (218), offers a plurality of hole for water sprayings in the front end side wall of motor output shaft (218); Described atomising device comprises the sleeve (219) of fixing with motor output shaft (218) and the web plate (226) that is arranged on sleeve (219) outside, offer relative with hole for water spraying many at the sidewall of sleeve (219) and tilt tank (220), this web plate (226) is thick middle, the arch that the edge is thin, and be positioned at first rear side that tilts tank (220); Change its course the brokenly incline direction of mist blade (211) of the shovel water that inclination is installed in the outer, front side of web plate (226) the mist blade (211) that changes its course brokenly, this shovel water is identical with the direction of rotation of motor output shaft (218).

5. tail gas desulfation dust-extraction device according to claim 1, it is characterized in that described water injector comprises the water inlet pipe (201) that stretches into discharge duct (300), the end bending of this water inlet pipe (201), and bending part and motor output shaft (218) are in same axis, and offer a plurality of hole for water sprayings at the bending part of water inlet pipe (201); Described atomising device comprises the sleeve (219) that is fixed on motor output shaft (218) front end and is fixed on web plate (226) on sleeve (219), described sleeve (219) is set in the bending part outside of water inlet pipe (201), offer relative with hole for water spraying many at the sidewall of sleeve (219) and tilt tank (220), described web plate (226) is thick middle, the arch that the edge is thin, and be positioned at the rear side of sleeve (219); Change its course the brokenly incline direction of mist blade (211) of the shovel water that inclination is installed in the outer, front side of web plate (226) the mist blade (211) that changes its course brokenly, this shovel water is identical with the direction of rotation of motor output shaft (218).

6. tail gas desulfation dust-extraction device according to claim 1, is characterized in that described water injector comprises the water inlet pipe (201) that stretches into discharge duct (300), and the end sidewall of this water inlet pipe (201) offers a plurality of hole for water sprayings; Described atomising device comprises the broken nebelwind leaf (228) that fixes with motor output shaft (218), should break the rear side that nebelwind leaf (228) is positioned at water injector, be evenly equipped with the polylith wind speed mist blade (229) that changes its course brokenly on broken nebelwind leaf (228), it designs for arc, offers a plurality of broken mists holes (230) at the every wind speed mist blade (229) that changes its course brokenly.

7. according to claim 2 or 3 described tail gas desulfation dust-extraction devices, it is characterized in that described mechanical sealing member (213) front side is provided with the oil sealing clamping plate (214) of band oil sealing (205), rear side at mechanical sealing member (213) is provided with lubricating cup clamping plate (202), between oil sealing clamping plate (214) and lubricating cup clamping plate (202), lubricating cup (204) is installed, top at lubricating cup (204) offers oil filler point, and at the oil filler point top plug, capping (203) is housed.

8. according to claim 2 or 3 or 4 or 5 or 6 described tail gas desulfation dust-extraction devices, it is characterized in that being installed with on described motor output shaft (218) front dewatering cover (208) and rear dewatering cover (206), this front dewatering cover (208) and rear dewatering cover (206) lay respectively at the front and back of axle sleeve (217), and the inwall of axle sleeve (217) front end is outward-dipping; Be filled with the wool felt (207) that has adsorbed lubricating oil between axle sleeve (217) and motor output shaft (218).

9. according to claim 2 or 3 or 4 or 5 or 6 described tail gas desulfation dust-extraction devices, is characterized in that the bottom of described discharge duct (300) is provided with two water bars (227), and two water bars (227) lay respectively at the front and back of rotary-atomizing device.

10. according to claim 2 or 3 or 4 or 5 or 6 described tail gas desulfation dust-extraction devices, it is characterized in that described discharge duct (300) front end is high, the rear end is low, in the rear end of discharge duct (300), drain bucket (800) is installed also, the diameter of drain bucket (800) is greater than discharge duct (300), and the bottom of drain bucket (800) communicates with main sewer (500).