A kind of fume treatment spray column
Technical field
The present invention relates to flue gas processing device technical fields, particularly belong to a kind of fume treatment spray column.
Background technology
Desulfurizing tower is a kind of cleaning equipment that the harmful substances such as dust, exhaust gas are discharged in field of industrial production, in the past
Oneself, which has, used moisture film tower, packed tower, grid tower, perforated plate tower and water column tower etc. in technology, most common in wet desulphurization at present
It is the spray tower of gas-liquid counter current contact, spray tower technology still has the optimization place that has much room for improvement.
In the prior art, the airflow uniform distribution mode that most of spray column uses is that inlet pipeline dips down at a certain angle
Tiltedly air-supply carries out air flow method by air-flow itself dilatation, diffusion and effect of inertia, but such airflow uniform distribution effect is limited
, the distribution of tower interior air-flow is still very uneven, so cause in fraction sulfur dioxide be not substantially completely removed be just discharged it is de-
Sulphur tower.Moreover, also needing to that cyclone dust collectors or other cleaners is individually used to be dusted flue gas in the prior art, not only
Occupation area of equipment is increased, equipment investment is also additionally increased.
Invention content
The object of the present invention is to provide a kind of fume treatment spray columns, overcome the deficiencies in the prior art, design structure
Rationally, flue gas can be carried out by the way that Flue Gas Pretreatment Device and smoke distribution device, Flue Gas Pretreatment Device are arranged in tower body
Dedusting, smoke distribution device make pretreated flue gas be quickly uniformly distributed in spray column so that flue gas can fully and slurries
Contact, desulfurization effect are preferable.
The technical solution adopted by the present invention is as follows:
A kind of fume treatment spray column, including spray column, slurry pool, spray equipment, demisting layer, the spray column lower part
Equipped with gas inlet, gas inlet is arranged for oblique lower section, and spray column top is equipped with exhanst gas outlet, the spray below exhanst gas outlet
Successively to demisting layer and spray equipment is had in leaching tower, spray tower bottom is equipped with slurry pool, and oxidation dress is equipped in slurry pool
It sets, is equipped with Flue Gas Pretreatment Device and flue gas point in the spray column between the slurry pool and spray equipment successively from top to bottom
Cloth apparatus, the Flue Gas Pretreatment Device include a conical shell, and gas inlet is connected to conical shell lower part, conically shaped
Body lower end is opening, and cone spindle corresponding with conical shell is equipped at conical shell axle center, be equipped on cone spindle with
Cone spindle blade consistent in length, cone spindle bottom end pass through motor axis connection first motor, the smoke distribution device
Including cylindrical lower portion and upper conical portion, cylindrical lower portion and upper conical portion are all inner hollow, cylindrical lower portion and circle
The side wall of conical upper is densely covered with flue gas gas outlet, and the lower end of cylindrical lower portion connects conical shell upper end, circle by horn mouth
The upper end of cylindricality lower part and the lower end sealing of upper conical portion are coaxially connected together, are set at the smoke distribution device axle center
There is transmission shaft, is driven the second motor of axis connection.
The spray equipment includes leaching liquid plate, and the leaching liquid plate upper end is equipped with overflow lip, and leaching liquid plate lower end is equipped with spray
Liquid mouth is densely covered with through-hole, overflow lip and spray nozzle on the leaching liquid plate and connects slurry pool with water pump by water pipe.
The leaching liquid plate upper surface and lower face and through-hole wall are rough machined rough surface.
The conical shell inner wall is equipped with clear water nozzle, and the clear water nozzle connects tap water.
It is the mixed serum containing calcium hydroxide and activated carbon in the slurry pool.
The oxidation unit connects oxidation fan.
The first motor, the second motor, conical shell are fixed by the bracket in spray inner wall of tower.
The spray column is circle.
Compared with the prior art, beneficial effects of the present invention are as follows:
1, the present invention is pre-processed by the way that Flue Gas Pretreatment Device and smoke distribution device, flue gas are arranged in tower body in flue gas
In device when flowing, under the rotation of cone spindle, flue gas is due to the effect of its own gravity and centrifugal force, the dust quilt in flue gas
It removes, the flue gas after dedusting enters smoke distribution device, the rotation of smoke distribution device, and flue gas is uniformly flowed out from flue gas gas outlet
Into in spray column so that flue gas can fully and slurry liquid contacts, desulfurization effect are preferable.
2, the overflow lip of spray equipment upper end of the invention flows out slurries, and spray nozzle sprays slurries so that leaching liquid plate upper end
Face, through-hole wall and lower face form serosa, and flue gas is by drenching liquid plate by serosa desulfurization, due to flue gas and slurry liquid contacts area
Greatly, desulfurization effect is further improved.
3, the clear water nozzle of conical shell inner wall of the invention, can be with the dust in conical shell easy to clean.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the smoke distribution apparatus structure schematic diagram of the present invention.
Fig. 3 is the spray equipment structural schematic diagram of the present invention.
Fig. 4 is the cone spindle positive structure diagram of the present invention.
Fig. 5 is the cone spindle overlooking structure diagram of the present invention.
Specific implementation mode
Referring to attached drawing, a kind of fume treatment spray column, including spray column 1, slurry pool 13, spray equipment 8, demisting layer 9, institute
1 lower part of spray column stated is equipped with gas inlet 2, and gas inlet 2 is arranged for oblique lower section, and 1 top of spray column is equipped with exhanst gas outlet
3, successively to demisting layer 9 and spray equipment 8 is had in the spray column 1 below exhanst gas outlet 3,1 bottom of spray column is equipped with slurry
Liquid pool 13 is equipped with oxidation unit 14 in slurry pool 13, in the spray column 1 between the slurry pool 13 and spray equipment 8 from
Under to it is upper successively be equipped with Flue Gas Pretreatment Device 4 and smoke distribution device 5, the Flue Gas Pretreatment Device 4 include one cone
Shape cylinder 41, gas inlet 2 are connected to 41 lower part of conical shell, and 41 lower end of conical shell is to be open, at 41 axle center of conical shell
Equipped with cone spindle 42 corresponding with conical shell 41, it is equipped on cone spindle 42 and 42 leaf consistent in length of cone spindle
Piece 43,42 bottom end of cone spindle connects first motor 12 by motor shaft 11, under the smoke distribution device 5 includes cylindrical
Portion 51 and upper conical portion 52, cylindrical lower portion 51 and upper conical portion 52 are all inner hollow, cylindrical lower portion 51 and circular cone
The side wall on shape top 52 is densely covered with flue gas gas outlet 53, and the lower end of cylindrical lower portion 51 connects conical shell 41 by horn mouth 16
Upper end, the upper end of cylindrical lower portion 51 and the lower end sealing of upper conical portion 52 are coaxially connected together, the smoke distribution
Transmission shaft 6 is equipped at 5 axle center of device, transmission shaft 6 connects the second motor 7.
The spray equipment 8 includes leaching liquid plate 81, and 81 upper end of leaching liquid plate is equipped with overflow lip 82, is drenched under liquid plate 81
End is equipped with spray nozzle 83, is densely covered with through-hole 84 on the leaching liquid plate 81, overflow lip 83 and spray nozzle 84 pass through water pipe and water pump
10 connection slurry pools 13.
81 upper surface of leaching liquid plate and lower face and 84 wall of through-hole are rough machined rough surface.Rough surface is conducive to slurry
Liquid on surface to be covered, and the formation of serosa is convenient for.
41 inner wall of conical shell is equipped with clear water nozzle 17, and the clear water nozzle 17 connects tap water.
It is the mixed serum containing calcium hydroxide and activated carbon in the slurry pool 13.
The oxidation unit 14 connects oxidation fan 15.
The first motor 12, the second motor 7, conical shell 41 are fixed on 1 inner wall of spray column by holder 18.
The spray column 1 is circle.
Operation principle of the present invention is:
Flue gas initially enters Flue Gas Pretreatment Device 4, since 41 lower part flue gas flow rate of conical shell is higher than upper smoke air-flow
Speed, flue gas flow from bottom to top, and under the rotation of cone spindle 42, and flue gas is due to the effect of its own gravity and centrifugal force, cigarette
Dust in gas is removed, and dust is fallen into slurry pool 13, and the flue gas after dedusting enters smoke distribution device 5, smoke distribution dress
5 rotations are set, flue gas is uniformly exited into from flue gas gas outlet 53 in spray column 1, and flue gas up flows, and flue gas is by drenching liquid plate
81, by serosa desulfurization, air are discharged into after the flue gas of desulfurization removes liquid water by demisting layer 9.Clear water nozzle 17 can facilitate
Clean the dust in conical shell 41.