High-efficient scrubbing tower of extension gaseous residence time
Technical Field
The utility model relates to a scrubbing tower technical field specifically is a gaseous detention time's of extension high-efficient scrubbing tower.
Background
The washing tower is a novel gas purification treatment device. It is produced by improving on the basis of a floatable filler layer gas purifier, is widely applied to the pretreatment of industrial waste gas purification, dust removal and the like, and is named as a washing tower because the working principle of the washing tower is similar to the washing process. Although the current common washing tower achieves a certain washing effect, the effect is not ideal enough, and in addition, as is known, if the gas rises fast in the tower, the detention time is short, the dust removal efficiency cannot be guaranteed, and the rising speed must be strictly controlled to improve the purification efficiency of the gas.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an efficient washing tower of gaseous detention time of extension, the gaseous detention time of extension, control air current rate of rise makes its comprehensive abundant contact with vaporific hydrojet, and effective desorption impurity improves purification efficiency, and work efficiency is high, and suitable using widely can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency washing tower capable of prolonging gas retention time comprises a tower body and a circulating water tank, wherein a gas outlet is arranged at the center of the top end of the tower body, a first-stage packing layer is arranged at the lower part of an inner cavity of the tower body and comprises an installation barrel, the upper end of the installation barrel is circumferentially provided with an edge fixedly connected with the inner wall of the tower body, a gradually-reducing opening is formed in the lower end of the installation barrel, a circular grid plate is fixedly installed at the gradually-reducing opening, a first packing material is arranged in the installation barrel, the outer wall of the tower body is provided with a gas inlet corresponding to the middle part of the installation barrel, a second-stage packing layer is arranged at the upper part of the inner cavity of the tower body and comprises a fixed barrel, the opening of the fixed barrel faces downwards, the outer edge of the lower end of the fixed barrel is fixedly connected with the inner wall of the tower body through an annular grid plate, the water supply port of the circulating water tank is communicated with a water supply pipe, a water pump is arranged on the water supply pipe, a first spraying pipeline is arranged on the upper portion, corresponding to the first-stage packing layer, of the inner cavity of the tower body, a second spraying pipeline is arranged on the upper portion, corresponding to the second-stage packing layer, of the inner cavity of the tower body, and the first spraying pipeline and the second spraying pipeline are both communicated with the water supply pipe.
Preferably, the top of tower body is close to the gas outlet and is equipped with the access hole, and the access hole passes through the detachable sealed of apron.
Preferably, the first filler and the second filler are polyhedral hollow spheres, rosettes or biological fillers.
Preferably, the outer wall of the tower body is provided with a first observation window corresponding to the upper part of the first-stage packing layer, and the outer wall of the tower body is provided with a second observation window corresponding to the upper part of the second-stage packing layer.
Preferably, the defogging layer is a wire mesh defogger.
Preferably, one side of the circulating water tank is provided with an overflow pipe and an emptying pipe, and the emptying pipe is provided with a gate valve.
Preferably, the first spraying pipeline and the second spraying pipeline comprise a plurality of groups of pipelines which are communicated with each other, and the lower parts of the pipe bodies of the plurality of groups of pipelines are uniformly communicated with spray heads.
Compared with the prior art, the beneficial effects of the utility model are that: this extension gas residence time's high-efficient washing tower, pending gas passes through the air inlet and gets into the tower body, gas flows down round the installation cylinder, then enter into filler one through circular grid plate, this is the first extension gas residence time, then gas and vaporific hydrojet contact, this is elementary washing, gas after elementary washing flows upwards, partly gas enters into filler two in, another part gas gets into the formation torrent of fixed bucket, then get into filler two in, this is the second extension gas residence time, then gas is again with vaporific hydrojet contact, this is secondary washing, thereby extension gas residence time, control air current rising rate, make it fully contact with vaporific hydrojet comprehensively, effectively desorption impurity, the purification efficiency is improved, high work efficiency, and the device is suitable for being generalized to use.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic diagram of the external structure of the present invention.
In the figure: 1 tower body, 101 access hole, 2 observation window two, 3 second grade packing layers, 301 fixed bucket, 302 packing two, 303 annular grid plate, 4 observation window one, 5 first grade packing layers, 501 installation cylinder, 502 packing one, 503 circular grid plate, 6 circulating water tank, 601 evacuation pipe, 602 overflow pipe, 7 delivery pipe, 8 spraying pipeline one, 9 spraying pipeline two, 10 defogging layers, 11 gas outlets, 12 gas inlets, 13 water pump.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a high-efficiency washing tower capable of prolonging gas retention time comprises a tower body 1 and a circulating water tank 6, wherein a gas outlet 11 is arranged at the center of the top end of the tower body 1, an access hole 101 is formed in the top of the tower body 1 and is close to the gas outlet 11, the access hole 101 is detachably sealed through a cover plate, so that the interior of the tower body 1 can be conveniently overhauled at a later stage, a first-stage packing layer 5 is arranged at the lower part of an inner cavity of the tower body 1, the first-stage packing layer 5 comprises an installation cylinder 501, an edge is arranged at the upper end of the installation cylinder 501 in the circumferential direction and is fixedly connected with the inner wall of the tower body 1, a gradually-reducing opening is formed in the lower end of the installation cylinder 501, a circular grid plate 503 is fixedly installed at the gradually-reducing opening, a first packing material 502 is arranged in the installation cylinder 501, a gas inlet 12 corresponding to the middle part of the installation cylinder 501 is formed, the gas retention time is prolonged for the first time, the upper part of the inner cavity of the tower body 1 is provided with a secondary packing layer 3, the secondary packing layer 3 comprises a fixed barrel 301, the opening of the fixed barrel 301 faces downwards, the outer edge of the lower end of the fixed barrel 301 is fixedly connected with the inner wall of the tower body 1 through an annular grid plate 303, a second packing 302 is arranged between the outer wall of the fixed barrel 301 and the inner wall of the tower body 1, the gas treated by the primary packing layer 5 flows upwards, one part of the gas enters the second packing 302, the other part of the gas enters the fixed barrel 301 to form turbulence, and then enters the second packing 302, so that the gas retention time is prolonged for the second time;
the first filler 502 and the second filler 302 are multi-surface hollow spheres, rosettes or biological fillers, the outer wall of the tower body 1 is provided with a first observation window 4 corresponding to the upper part of the first filler layer 5 so as to facilitate observation of the first filler layer 5, the outer wall of the tower body 1 is provided with a second observation window 2 corresponding to the upper part of the second filler layer 3 so as to facilitate observation of the second filler layer 3, the top of the inner cavity of the tower body 1 is provided with a demisting layer 10, and the demisting layer 10 is a wire mesh demister so as to effectively separate water mist, avoid entrainment of discharged gas and reduce the phenomenon;
the circulating water tank 6 is communicated with the bottom of an inner cavity of the tower body 1, a water supply port of the circulating water tank 6 is communicated with a water supply pipe 7, a water pump 13 is arranged on the water supply pipe 7, an overflow pipe 602 and an emptying pipe 601 are arranged on one side of the circulating water tank 6, a gate valve is arranged on the emptying pipe 601, a first spraying pipeline 8 is arranged on the upper portion, corresponding to the first-stage packing layer 5, of the inner cavity of the tower body 1, the first spraying pipeline 8 is positioned on the lower portion of a defogging layer 10 on the lower portion of the second-stage packing layer 3, a second spraying pipeline 9 is arranged on the upper portion, corresponding to the second-stage packing layer 3, of the inner cavity of the tower body 1, the first spraying pipeline 8 and the second spraying pipeline 9 are both communicated with the water supply pipe 7, the first spraying pipeline 8 and the second spraying pipeline 9 comprise a plurality of groups of mutually communicated;
in addition to the arrangement of the first filler layers 5 and the second filler layers 3 according to the above embodiment, a plurality of layers may be alternately arranged.
The working principle is as follows: when the tower is used, gas to be treated enters the tower body 1 through the gas inlet 12, the gas flows downwards around the installation cylinder 501, then enters the first filler 502 through the circular grid plate 503, meanwhile, the water pump 13 pumps water in the circulating water tank 6 upwards, the first spraying pipeline 8 sprays the gas, then the gas flows upwards, turbulence is formed under the action of the fixed barrel 301, the rising rate of the gas flow is further reduced, the gas is fully contacted with the foggy sprayed liquid, then the gas enters the second filler 302, then the second spraying pipeline 9 sprays the gas again, and finally the gas is discharged from the gas outlet 11 after being subjected to demisting treatment of the demisting layer 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.