CN208436590U - A kind of tail gas dust cleaning apparatus - Google Patents

Abstract

The utility model discloses a kind of tail gas dust cleaning apparatus, including air inlet pipe, the air inlet pipe side is equipped with filter device, and the filter device includes dust cleaning case, and the dust cleaning case side is equipped with servo motor, the servo motor side is equipped with shaft, the servo motor output shaft is fixedly connected with shaft, and the shaft is through dust cleaning case and extends to inside, and aerofoil is equipped on the outside of the shaft, the dedusting chamber interior wall is equipped with guide groove, and the shaft side is equipped with hollowed-out board.The utility model is by being equipped with filter device, vapor liquefaction in part is condensed into droplet after tail gas from scrubbing tower carries out temperature reduction inside dust cleaning case, the humidity of flue gas can be substantially reduced, making the dew-point temperature of flue gas reduces, so as to improve the white haze phenomenon of emptying flue gas, condensation vapor can be using dust in flue gas as the nuclei of condensation in flue gas simultaneously, and dust content further reduces, and can play the role of improving quality of air environment and be effectively improved the sense organ of exhaust emissions.

Description

A kind of tail gas dust cleaning apparatus

Technical field

The utility model relates to dedusting technology field, in particular to a kind of tail gas dust cleaning apparatus.

Background technique

When temperature is higher, the biggish flue gas of humidity is discharged from chimney, the lower environment of temperature is met, part water vapour in flue gas There is hypersaturated state, condenses into white haze, also referred to as " white plume ".At present demisting take off it is white have electric demisting, electric demisting passes through Electrostatic control means and high direct voltage generating device, become direct current for alternating current and send into demister, in corona wire (yin Pole) and acid mist trapping pole plate (anode) between form powerful electric field, be ionized air molecule, moment generates a large amount of electronics And positive and negative ion, these electronics and ion make directed movement under the action of electric field force, constitute the medium of trapping acid mist.Together When keep acid mist particle charged, these charged acid mist particles under the action of electric field force, make directed movement, arrive to trapping acid mist Anode plate on.Later, charged particle discharges electronics on pole plate, and then acid mist is collected, and flows to deacidification under the effect of gravity In the storage acid tank of day with fog, thus achieve the purpose that purify acid mist.

The existing current application range very little of demisting, its operating cost is high, and maintenance is inconvenient, and needs stronger in formation Magnetic field, voltage is more demanding, and the equipment of system is more complex, is attached on porcelain insulator surface if any moisture, dust, or be mixed into In the insulating oil of electrostatic precipitator, electric insulation will significantly deteriorate, and reduce effective voltage, and maintenance cost is very high.

Therefore, it is necessary to solve the above problems to invent a kind of tail gas dust cleaning apparatus.

Utility model content

The purpose of this utility model is to provide a kind of tail gas dust cleaning apparatus, and it is cold to dust cleaning case delivered inside to open air-cooler Gas, vapor liquefaction in part is condensed into droplet after the tail gas from scrubbing tower carries out temperature reduction inside dust cleaning case, beats simultaneously Servo motor is opened, servo motor drives aerofoil to rotate by shaft, and droplet under the influence of centrifugal force will be a part of micro- in tail gas Dirt separation is collected, the drop that the droplet of adhesive dust gathers after gradually coalescing simultaneously after droplet coalescence along inner wall guiding Slot moves downward, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of tail gas dust cleaning apparatus, including air inlet Pipe, the air inlet pipe side are equipped with filter device, and the filter device includes dust cleaning case, and the dust cleaning case side is equipped with servo electricity Machine, the servo motor side are equipped with shaft, and the servo motor output shaft is fixedly connected with shaft, and the shaft runs through dedusting Case and inside is extended to, aerofoil is equipped on the outside of the shaft, the dedusting chamber interior wall is equipped with guide groove, and the shaft side is equipped with Hollowed-out board, the dust cleaning case side are equipped with tracheae, and the tracheae side is equipped with air-cooler, and the dust cleaning case inside bottom is inclination Setting.

Preferably, downtake pipe is equipped at the top of the dust cleaning case, the dust cleaning case other side is equipped with the second escape pipe, institute It states downtake pipe and the second escape pipe is equipped with fume extractor.

Preferably, the fume extractor includes smoke exhaust barrel, and separation layer, the separation layer side are equipped with inside the smoke exhaust barrel Equipped with active carbon, the separation layer is hollow out setting, and the separation layer is fixedly connected with smoke exhaust barrel.

Preferably, it is equipped with compression ring at the top of the separation layer, the compression ring out sets for taper.

Preferably, the smoke exhaust barrel side be equipped with feed pipe, the charging bottom of the tube be equipped with discharge nozzle, the feed pipe with Hand valve is equipped with inside discharge nozzle.

Preferably, the dust cleaning case bottom is equipped with water pipe, and the water pipe bottom is equipped with collecting tank.

The technical effect and advantage of the utility model:

1, by being equipped with filter device, part water steams after the tail gas from scrubbing tower carries out temperature reduction inside dust cleaning case Gas liquefaction is condensed into droplet, and droplet by micronic dust a part of in tail gas separation, collection, advantageously reduces tail under the influence of centrifugal force Gas phase promotes defogging effect, can substantially reduce the humidity of flue gas, reduce the dew-point temperature of flue gas to moisture percentage and dew point, So as to improve the white haze phenomenon of emptying flue gas, while condensation vapor can be using dust in flue gas as the nuclei of condensation in flue gas, dust content It is further to reduce, it can play the role of improving quality of air environment and be effectively improved the sense organ of exhaust emissions；

2, by be equipped with fume extractor, should during carried out between cold air and tail gas sufficient mass transfer, heat transfer and Momentum transmitting, relative humidity and dew point further decrease, compression ring are provided in exhaust tube inner wall, is beneficial to prevent because of local exhaust Along exhaust tube inner wall flowing caused by local temperature reduce, dew point temperature is not achieved during mixing it with atmosphere after the exit Degree, is conducive to make moisture that can not condense into water mist, is finally reached the purpose of elimination " white haze ", while active carbon is further to powder Dirt and vapor are adsorbed, and the white haze phenomenon for improving emptying flue gas is conducive to.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the filter apparatus configuration schematic diagram of the utility model.

Fig. 3 is the fume extractor structural schematic diagram of the utility model.

In figure: 1 air inlet pipe, 2 filter devices, 3 dust cleaning cases, 4 servo motors, 5 shafts, 6 aerofoils, 7 guide grooves, 8 hollowed-out boards, 9 tracheaes, 10 air-coolers, 11 downtake pipes, 12 second exhaust pipes, 13 fume extractors, 14 smoke exhaust barrels, 15 separation layers, 16 activity Charcoal, 17 go out compression ring, 18 feed pipes, 19 discharge nozzles, 20 hand valves, 21 water pipes, 22 collecting tanks.

Specific embodiment

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for this field below in conjunction with Attached drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shows So, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is practical new based on this Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, fall within the protection scope of the utility model.

The utility model provides a kind of tail gas dust cleaning apparatus as shown in Figs. 1-3, including air inlet pipe 1, the air inlet pipe 1 Side is equipped with filter device 2, and by being equipped with filter device 2, the tail gas from scrubbing tower carries out temperature reduction inside dust cleaning case 3 Vapor liquefaction in part is condensed into droplet afterwards, and droplet by micronic dust a part of in tail gas separation, collection, has under the influence of centrifugal force Conducive to tail gas is reduced with respect to moisture percentage and dew point, defogging effect is promoted, the humidity of flue gas can be substantially reduced, make the dew point of flue gas Temperature reduce, so as to improve emptying flue gas white haze phenomenon, while in flue gas condensation vapor can using dust in flue gas as the nuclei of condensation, Dust content index has initial data to assist being down to 50~80% or so of initial value again on the basis of discharge upper, can play improvement The effect of quality of air environment and the sense organ for being effectively improved exhaust emissions, the filter device 2 include dust cleaning case 3, the dedusting 3 side of case is equipped with servo motor 4, and 4 side of servo motor is equipped with shaft 5, and 4 output shaft of servo motor and shaft 5 are solid Fixed connection, the shaft 5 is through dust cleaning case 3 and extends to inside, is equipped with aerofoil 6 on the outside of the shaft 5, in the dust cleaning case 3 Wall is equipped with guide groove 7, and 5 side of shaft is equipped with hollowed-out board 8, and 3 side of dust cleaning case is equipped with tracheae 9,9 side of tracheae Equipped with air-cooler 10,3 inside bottom of dust cleaning case is to be obliquely installed.

Further, in the above-mentioned technical solutions, downtake pipe 11 is equipped at the top of dust cleaning case 3, the dust cleaning case 3 is another Side is equipped with second exhaust pipe 12, and the downtake pipe 11 and second exhaust pipe 12 are equipped with fume extractor 13, passes through the row of being equipped with Cigarette device 13, should during carried out between cold air and tail gas sufficient mass transfer, heat transfer and momentum transmitting, relative humidity and Dew point further decreases；

Further, in the above-mentioned technical solutions, fume extractor 13 includes smoke exhaust barrel 14, is equipped with inside the smoke exhaust barrel 14 Separation layer 15,15 side of separation layer are equipped with active carbon 16, and the separation layer 15 is hollow out setting, the separation layer 15 and row Chimney 14 is fixedly connected, and by setting separation layer 15 and active carbon 16, is further adsorbed to dust and vapor, thus Improve the white haze phenomenon of emptying flue gas；

Further, in the above-mentioned technical solutions, it is equipped with compression ring 17 at the top of separation layer 15, the compression ring 17 out is taper Setting is beneficial to prevent that local temperature reduces caused by the flowing of exhaust tube inner wall because of local exhaust by the way that compression ring 17 is provided, Dew-point temperature is not achieved during mixing it with atmosphere after the exit, is conducive to make moisture that can not condense into water mist, finally Achieve the purpose that eliminate " white haze "；

Further, in the above-mentioned technical solutions, 14 side of smoke exhaust barrel is equipped with feed pipe 18, and 18 bottom of feed pipe is set There is discharge nozzle 19, is equipped with hand valve 20 inside the feed pipe 18 and discharge nozzle 19, by the way that feed pipe 18 and discharge nozzle 19 is arranged, Be conducive to replace active carbon, promote filter effect；

Further, in the above-mentioned technical solutions, 3 bottom of dust cleaning case is equipped with water pipe 21, and 21 bottom of water pipe is equipped with collection Liquid pool 22, by setting water pipe 21 and collecting tank 22, droplet is under the influence of centrifugal force by micronic dust a part of in tail gas separation, receipts Collect, the drop that the droplet of adhesive dust gathers after gradually coalescing simultaneously after droplet coalescence is transported downwards along the guide groove 7 of inner wall Dynamic, the liquid separated is discharged into collecting tank 22 by water pipe 21.

This practical working principle:

Referring to Figure of description 1-2, opening air-cooler 10 is to 3 delivered inside cold air of dust cleaning case, the tail gas from scrubbing tower Vapor liquefaction in part is condensed into droplet after carrying out temperature reduction inside dust cleaning case 3, opens simultaneously servo motor 4, servo electricity Machine 4 drives aerofoil 6 to rotate by shaft 5, and droplet is under the influence of centrifugal force by micronic dust a part of in tail gas separation, collection, liquid The drop that the droplet of adhesive dust gathers after gradually coalescing simultaneously after drop coalescence is moved downward along the guide groove 7 of inner wall, point It separates out the liquid come to be discharged into collecting tank 22 by water pipe 21, tail gas can be effectively reduced with respect to moisture percentage and dew point, promoted Defogging effect can substantially reduce the humidity of flue gas, reduce the dew-point temperature of flue gas, and the white haze so as to improve emptying flue gas is existing As, while condensation vapor can be using dust in flue gas as the nuclei of condensation in flue gas, dust content index has initial data to discharge upper On the basis of assist being down to 50~80% of initial value or so again, can play the role of improving quality of air environment and be effectively improved tail gas The sense organ of discharge；

Referring to Figure of description 3, the cold air for absorbing heat enters simultaneously with the tail gas Jing Guo demisting, dust removal process to be vented Cylinder, should during carry out sufficient mass transfer, heat transfer and momentum transmitting between cold air and tail gas, relative humidity and dew point into One step reduce, compression ring 17 is provided in exhaust tube inner wall, prevent because local exhaust along exhaust tube inner wall flowing caused by part temperature Degree reduces, and dew-point temperature is not achieved during mixing it with atmosphere after the exit, thus make moisture that can not condense into water mist, It is finally reached the purpose of elimination " white haze ", while active carbon 16 further adsorbs dust and vapor, so as to improve Empty the white haze phenomenon of flue gas.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of tail gas dust cleaning apparatus, including air inlet pipe (1), it is characterised in that: air inlet pipe (1) side is equipped with filter device (2), the filter device (2) includes dust cleaning case (3), and dust cleaning case (3) side is equipped with servo motor (4), the servo electricity Machine (4) side is equipped with shaft (5), and servo motor (4) output shaft is fixedly connected with shaft (5), and the shaft (5), which is run through, removes Dirt case (3) and inside is extended to, be equipped with aerofoil (6) on the outside of the shaft (5), dust cleaning case (3) inner wall is equipped with guide groove (7), shaft (5) side is equipped with hollowed-out board (8), and dust cleaning case (3) side is equipped with tracheae (9), tracheae (9) side Equipped with air-cooler (10), dust cleaning case (3) inside bottom is to be obliquely installed.

2. a kind of tail gas dust cleaning apparatus according to claim 1, it is characterised in that: be equipped with the at the top of the dust cleaning case (3) One exhaust pipe (11), dust cleaning case (3) other side are equipped with second exhaust pipe (12), the downtake pipe (11) and second row Tracheae (12) is equipped with fume extractor (13).

3. a kind of tail gas dust cleaning apparatus according to claim 2, it is characterised in that: the fume extractor (13) includes smoke evacuation Cylinder (14), the smoke exhaust barrel (14) is internal to be equipped with separation layer (15), and separation layer (15) side is equipped with active carbon (16), described Separation layer (15) is hollow out setting, and the separation layer (15) is fixedly connected with smoke exhaust barrel (14).

4. a kind of tail gas dust cleaning apparatus according to claim 3, it is characterised in that: be equipped at the top of the separation layer (15) Compression ring (17), described compression ring (17) out are taper setting.

5. a kind of tail gas dust cleaning apparatus according to claim 3, it is characterised in that: smoke exhaust barrel (14) side be equipped with into Expects pipe (18), feed pipe (18) bottom are equipped with discharge nozzle (19), are all provided with inside the feed pipe (18) and discharge nozzle (19) There are hand valve (20).

6. a kind of tail gas dust cleaning apparatus according to claim 1, it is characterised in that: dust cleaning case (3) bottom is equipped with water It manages (21), water pipe (21) bottom is equipped with collecting tank (22).