Spray tower for waste gas treatment
Technical Field
The utility model relates to a waste gas treatment equipment technical field, in particular to spray column is used in waste gas treatment.
Background
Common methods for treating exhaust gas include adsorption, absorption, catalytic combustion, thermal combustion, and the like. The spray tower is used as a waste gas treatment device, and a packing layer is usually arranged inside the spray tower and used as a component for gas-liquid two-phase contact. The traditional spray tower has the problems that the tower body is heavy, the reaction between gas and liquid in the tower body is insufficient, the spray effect is not ideal enough, and residues remained in the cylinder after spraying are difficult to clean.
Based on this, the utility model discloses a spray column for waste gas treatment is provided for solve foretell technical problem.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
The utility model discloses to the above-mentioned problem among the prior art, for remedying the not enough of prior art, the utility model provides a waste gas treatment that can rationally make and use uses spray column.
(2) Technical scheme
In order to achieve the technical purpose, the utility model provides a spray tower for waste gas treatment, which comprises a feeding cylinder, a transition cylinder and a spray cylinder, wherein the feeding cylinder is arranged at one end of the spray cylinder, the feeding cylinder comprises a feeding end arranged at the top, liquid inlets are arranged at the left side and the right side below the feeding end, a throat part is arranged below the liquid inlets, the cross section of the throat part is narrower than that of the feeding end, and a draught fan is arranged at the bottom of the throat part;
the spray cylinder comprises a bottom end of a sediment, a first reaction end and a second reaction end, wherein the bottom end of the sediment is provided with a guide inclined plate convenient to clean, the first reaction end and the second reaction end are both provided with a rotational flow plate device, a sprayer is arranged above the rotational flow plate device, an accelerated reaction end used for promoting the acceleration of the flow rate of gas and liquid is arranged between the first reaction end and the second reaction end, the section of the accelerated reaction end is narrower than the sections of the two reaction ends, a defogging layer is arranged at the junction position of the accelerated reaction end and the first reaction end as well as the second reaction end, and the top of the spray cylinder is provided with an air outlet wide mouth;
the whirl plate device includes whirl plate support and the center disk that is used for connecting, be equipped with a plurality of filtration pores on the whirl plate support, in the first reaction end the center disk of whirl plate device sets up, in the second reaction end the center disk of whirl plate device sets up down.
Preferably, the induced draft fan is installed at the bottom of the throat part through a mounting bracket.
Preferably, one end of the transition cylinder is welded below the induced draft fan, the other end of the transition cylinder is welded on the lower portion of the spray cylinder, and the feeding cylinder, the transition cylinder and the spray cylinder are all made of stainless steel materials.
Preferably, the second reaction end, the first reaction end and the bottom end of the sediment are arranged from top to bottom in sequence.
Preferably, the material guiding sloping plate comprises an inclined part and a groove arranged at the lowest point of the inclined part, and the groove corresponds to an external cleaning opening.
Preferably, the sprayer is connected with a liquid inlet pipe orifice outwards, the direction of the sprayer at the first reaction end is upward, and the direction of the sprayer at the second reaction end is downward.
Preferably, one side of the spray cylinder is provided with an observation window.
(3) Advantageous effects
The utility model has the advantages that the narrow gap difference is arranged between the feeding cylinder and the throat part, so that the reaction efficiency of gas and liquid is accelerated at the first reaction and the liquid inlet; the induced draft fan is used for guiding the wind direction to the first reaction end and the second reaction end, the spray throwers and the rotational flow plate devices arranged in the first reaction end and the second reaction end are used for promoting the sufficiency of the reaction of gas and liquid, the demisting efficiency is improved by using the demisting layer, the accelerated reaction end is arranged between the two reaction ends, and the whole reaction efficiency is improved by the amplified narrow opening difference so as to accelerate the sufficiency of the reaction; the utility model discloses set up the guide swash plate in the position of clearance mouth, recycle the recess of bottom, improved abluent effect, made things convenient for the maintenance of equipment and used.
Drawings
The present invention will be further explained with reference to the drawings and examples. Wherein:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the material guiding sloping plate part;
FIG. 3 is a schematic top view of the swirl plate apparatus.
The reference signs are: 1-a feeding cylinder, 11-a feeding end, 12-a liquid inlet, 13-a throat, 14-an induced draft fan, 15-a mounting bracket, 2-a transition cylinder, 3-a spray cylinder, 31-a sediment bottom end, 311-a guide inclined plate, 3111-an inclined plate, 3112-a groove, 312-a cleaning port, 32-a first reaction end, 33-an accelerated reaction end, 34-a second reaction end, 35-a swirl plate device, 351-a swirl plate bracket, 352-a central disc, 353-a filtering hole, 36-a liquid inlet pipe orifice, 37-a sprayer, 38-a demisting layer, 39-a wide air outlet port and 4-an observation port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example (b):
referring to fig. 1-3, the spray tower for treating waste gas of the present invention includes a feeding cylinder 1, a transition cylinder 2, and a spray cylinder 3, wherein the feeding cylinder 1 is disposed at one end of the spray cylinder 3, the feeding cylinder 1 includes a feeding end 11 disposed at the top, liquid inlets 12 are disposed at the left and right sides below the feeding end 11, a throat 13 is disposed below the liquid inlets 12, the cross section of the throat 13 is narrower than that of the feeding end 11, and an induced draft fan 14 is disposed at the bottom of the throat 13; the spray cylinder 3 comprises a sediment bottom 31, a first reaction end 32 and a second reaction end 34, the sediment bottom 31 is provided with a material guide inclined plate 311 convenient for cleaning, the first reaction end 32 and the second reaction end 34 are both provided with a rotational flow plate device 35, a sprayer 37 is arranged above the rotational flow plate device 35, an accelerated reaction end 33 used for promoting the acceleration of the flow rate of gas and liquid is arranged between the first reaction end 32 and the second reaction end 34, the cross section of the accelerated reaction end 33 is narrower than the cross sections of the two reaction ends, a demisting layer 38 is arranged at the junction position of the accelerated reaction end 33 and the first reaction end 32 as well as the second reaction end 34, and the top of the spray cylinder 3 is provided with a wide outlet 39; the swirl plate device 35 comprises a swirl plate support 351 and a central disc 352 for connection, a plurality of filter holes 353 are formed in the swirl plate support 351, the central disc 352 of the swirl plate device 35 in the first reaction end 32 is arranged upwards, and the central disc 352 of the swirl plate device 35 in the second reaction end 34 is arranged downwards.
In order to improve the gas spraying effect, the utility model also comprises that one end of the transition cylinder 2 is welded below the draught fan 14, the other end is welded at the lower part of the spray cylinder 3, and the feeding cylinder 1, the transition cylinder 2 and the spray cylinder 3 are all made of stainless steel materials; the induced draft fan 14 is installed at the bottom of the throat 13 through an installation bracket 15; the second reaction end 34, the first reaction end 32 and the bottom sediment end 31 are arranged from top to bottom in sequence; the material guiding sloping plate 311 comprises a sloping part 3111 and a groove 3112 arranged at the lowest point of the sloping part 3111, and the groove 3112 corresponds to the cleaning port 312; the sprayer 37 is connected with a liquid inlet pipe orifice 36 outwards, the direction of the sprayer 37 of the first reaction end 32 is upward, and the direction of the sprayer 37 of the second reaction end 34 is downward; and an observation window 4 is arranged on one side of the spray cylinder 3.
As shown in fig. 1-3 in detail, gas is introduced into the feed cylinder through the feed end, then liquid for neutralization is introduced into the liquid inlet, and the method is applicable to the waste gas to be treated according to the requirements, the applicable liquid and neutralization reaction mode are the prior art, and the details are not repeated herein, because the section of the throat part is smaller than that of the feed end, the speed of mixing the gas and the liquid and the efficiency of reverse reaction can be accelerated at the part of the throat part with narrow section, thereby completing the first reaction, under the action of the induced draft fan, the gas is guided to the reaction end along the transition cylinder, the liquid after the reaction enters the groove through the guide inclined plate and is then discharged through the cleaning port in a centralized manner, after the gas enters the first reaction end through the induced draft fan, the contact area with the spray liquid is increased at the first reaction end under the action of the swirl plate device, and the full reaction between the gas and the liquid is promoted, meanwhile, an acceleration reaction end is arranged between the first reaction end and the second reaction end, and the flow velocity of gas is promoted by using a long and thin narrow opening arranged at the acceleration reaction end, so that the secondary reaction of the second reaction end is facilitated, and the reaction is sufficient and has a good effect.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.