CN217431356U - Tail gas washing tower - Google Patents
Tail gas washing tower Download PDFInfo
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- CN217431356U CN217431356U CN202221313396.1U CN202221313396U CN217431356U CN 217431356 U CN217431356 U CN 217431356U CN 202221313396 U CN202221313396 U CN 202221313396U CN 217431356 U CN217431356 U CN 217431356U
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Abstract
The utility model belongs to the technical field of tail gas treatment, in particular to an efficient tail gas washing tower; the method comprises the following steps: the method comprises the following steps: a tower body; the gas injection pipe is arranged on one side of the tower body, the gas outlet end of the gas injection pipe is close to the bottom of the tower body, and the gas injection pipe is used for injecting tail gas into the tower body; the water spraying device is positioned above the gas outlet end of the gas injection pipe; the demister is arranged inside the tower body; the bottom of the accommodating cavity is provided with a reaction liquid medicine and an aerator, the top of the tower body is provided with an activated carbon adsorption device and a photocatalyst device, the air outlet end of the air outlet pipe is connected with the activated carbon adsorption device, the activated carbon adsorption device is connected with the photocatalyst device, and one end of the photocatalyst device, which is far away from the activated carbon adsorption device, is provided with a purified air outlet; tail gas gets into directly after the scrubbing tower and reacts with the reaction liquid medicine emergence, and the aeration machine can improve reaction rate rapidly, has better filtration absorption effect to dust impurity, organic waste gas through setting up various devices, and waste gas standard reaching rate is high.
Description
Technical Field
The utility model belongs to the technical field of the tail gas treatment, especially, relate to an efficient tail gas washing tower.
Background
The tail gas is the most common polluting gas in chemical production, and causes pollution to the environment if not treated properly. The basic types of exhaust gas are: industrial organic waste gas, boiler smoke waste gas, industrial acid-base waste gas, industrial odor, industrial dust and the like. The treatment level of a factory's tail gas often embodies the treatment level of environmental protection, carries out emission up to standard after desorption dust, acidic material, stink with tail gas, is the problem that tail gas processing apparatus need solve.
At present, sewage treatment plants require cover sealing treatment, and waste gas generated in the daily wastewater treatment process is collected and treated in a centralized manner. Generally, tail gas is introduced into plasma waste gas treatment equipment for simple treatment and then is directly discharged, but because the tail gas contains various pollutants, safety accidents are easily caused due to improper type selection or system design of the plasma waste gas treatment equipment, and fire accidents and explosion accidents are caused by exposing some plasma waste gas treatment equipment in news.
The plasma waste gas treatment equipment only carries out chain scission decomposition on tail gas through high-pressure plasma, and due to different production processes, the working conditions of the discharged process waste gas are complex and diverse, such as concentration, flow, continuity or gaps, temperature, humidity, particulate matters and the like, and many working conditions need to be used in combination with other waste gas purification technologies, so that the treatment effect of the plasma waste gas treatment equipment is unsatisfactory.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists among the prior art, the utility model provides a possess dust impurity filtration, can absorb organic waste gas, and the high tail gas washing tower of waste gas standard reaching rate.
The utility model provides a tail gas washing tower, include:
the tower body is internally provided with an accommodating cavity, and the top of the tower body is provided with an air outlet pipe;
the gas injection pipe is arranged on one side of the tower body, the gas outlet end of the gas injection pipe is close to the bottom of the tower body, and the gas injection pipe is used for injecting tail gas into the tower body;
the water spraying device is positioned above the gas outlet end of the gas injection pipe;
the demister is arranged inside the tower body and is positioned above the water sprinkling device;
wherein the content of the first and second substances,
the bottom that holds the cavity is provided with reaction liquid medicine and aeration machine, the top of tower body is provided with active carbon adsorption device, photocatalyst device, the end of giving vent to anger of outlet duct with active carbon adsorption device connects, active carbon adsorption device with photocatalyst device connects, photocatalyst device keeps away from active carbon adsorption device's one end sets up the net gas export.
Among this technical scheme, direct and reaction liquid medicine emergence reaction behind the tail gas entering scrubbing tower, the aeration machine can improve reaction rate rapidly, through setting up watering device, defroster, active carbon adsorption device, photocatalyst device, has better filtration absorption effect to dust impurity, organic waste gas, and waste gas standard rate is high.
In some embodiments of this application, the end of giving vent to anger of gas injection pipe with the aeration pipe of aeration machine is located the horizontal plane of same height, just the end of giving vent to anger of gas injection pipe is located below the liquid level of reaction liquid medicine, can reduce the gas injection speed of tail gas, prevents to cause too big impact to scrubbing tower inner structure, reduces the life of scrubbing tower, can also prevent that tail gas from flowing back in the gas injection pipe simultaneously.
In some embodiments of the present application, the sprinkler comprises:
the circulating water pump is arranged on one side of the bottom of the tower body;
the connecting pipe is vertically arranged on the outer side of the tower body, the lower end of the connecting pipe is connected with the circulating water pump, and at least one branch pipe is arranged on the connecting pipe along the length direction of the connecting pipe;
the water spraying plate is communicated with the branch pipe, is arranged in the accommodating cavity and is positioned above the gas outlet end of the gas injection pipe.
And the reaction liquid medicine sequentially enters the connecting pipe and the branch pipe under the action of the circulating water pump and then flows out through the sprinkling plate.
In some embodiments of this application, circulating water pump with the gas injection pipe sets up relatively, and circulating water pump and gas injection pipe are located the both sides of tower body respectively for circulating water pump and gas injection pipe are apart from the biggest, prevent because the distance between the two is nearer, and tail gas is direct to get into circulating water pump from the gas injection pipe, reduces the reaction efficiency of tail gas and reaction liquid medicine, influences exhaust emission's up to standard.
In some embodiments of the present application, a plurality of air permeable grooves are uniformly formed at both ends of the sprinkler plate, a plurality of drain holes are formed at the bottom of the sprinkler plate, the reaction liquid medicine is sprayed out from the drain holes to wash the tail gas, retention of particulate matters is effectively realized, and the reaction liquid medicine can react with related harmful gases.
In some embodiments of this application, circulating water pump's the end of intaking is located one side of tower body bottom, the reaction liquid medicine warp circulating water pump's the end of intaking gets into the back, passes through in proper order circulating water pump the connecting pipe the branch pipe the sprinkler plate discharges, and the extraction is discharging again, can carry out abundant effectual utilization to the medicine on the one hand, and on the other hand has also improved the utilization ratio of water.
In some embodiments of this application, the bottom of defroster is provided with waterproof ventilated membrane, the surface of defroster is provided with the bleeder vent, and tail gas is handled through watering device's drip washing, and is clean relatively, and when tail gas continued up to move, the waterproof ventilated membrane of defroster kept somewhere its steam composition, makes the up movement of relative dry tail gas, can guarantee the effect of subsequent processing.
In some embodiments of the present application, the gas injection pipe is an inverted "U" shaped structure, which prevents the reaction solution from being sucked back into the gas injection pipe and damaging the blower in front of the gas injection pipe.
Based on the technical scheme, the tail gas washing tower in the embodiment of the utility model has the advantages of safe and stable operation, long service life, organic waste gas absorption through the liquid medicine, the treatment of tail gas dust realized by adopting the leaching method, organic waste gas, odor and the like of the final discharge port are absorbed through active carbon and photocatalyst, the effect is good, the safety and the stability are realized, and the accident caused by the high pressure of the ionized organic waste gas can not occur;
the bottom of the washing tower is filled with a certain amount of reaction liquid medicine, when tail gas enters the washing tower through the gas injection pipe, the tail gas can directly react with the liquid medicine, and a large amount of tail gas can be injected into the washing tower through the aeration pipe, so that the reaction rate is rapidly improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic perspective view of an embodiment of an exhaust gas washing tower of the present invention;
FIG. 2 is a longitudinal cross-sectional view of one embodiment of an off-gas wash tower of the present invention;
FIG. 3 is a schematic structural view of a sprinkler of an embodiment of the tail gas scrubber of the present invention;
fig. 4 is a schematic structural diagram of an aerator according to an embodiment of the tail gas washing tower of the present invention;
in the figure:
10. a tower body; 11. an accommodating cavity; 12. an air outlet pipe; 20. a gas injection pipe; 21. an air outlet; 30. a watering device; 31. a circulating water pump; 32. a connecting pipe; 321. a branch pipe; 33. a sprinkler plate; 331. a ventilation groove; 332. a drain hole; 40. a demister; 41. air holes are formed; 50. an aerator; 51. an aeration pipe; 60. an activated carbon adsorption unit; 70. a photocatalyst device; 71. and a purified gas outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
As shown in fig. 1-2, for an exemplary embodiment of the present invention, the tail gas scrubber comprises:
the tower body 10 is internally provided with an accommodating cavity 11, and the top of the tower body 10 is provided with an air outlet pipe 12;
the gas injection pipe 20 is arranged on one side of the tower body 10, the gas outlet end of the gas injection pipe 20 is close to the bottom of the tower body 10, and the gas injection pipe 20 is used for injecting tail gas into the tower body 10;
the sprinkler 30 is positioned above the gas outlet end of the gas injection pipe 20;
a demister 40 disposed inside the tower body 10 and above the sprinkler 30;
wherein, the first and the second end of the pipe are connected with each other,
the bottom of the accommodating cavity 11 is provided with a reaction liquid medicine and an aerator 50, the top of the tower body 10 is provided with an active carbon adsorption device 60 and a photocatalyst device 70, the air outlet end of the air outlet pipe 12 is connected with the active carbon adsorption device 60, the active carbon adsorption device 60 is connected with the photocatalyst device 70, and one end of the photocatalyst device 70 far away from the active carbon adsorption device 60 is provided with a purified air outlet 71.
Tail gas gets into behind the scrubbing tower directly and holds the reaction liquid medicine emergence reaction of cavity 11 bottom, and aerator 50 can improve reaction rate rapidly, loops through to set up watering device 30, defroster 40, active carbon adsorption device 60, photocatalyst device 70, has better filtration absorption effect to dust impurity, organic waste gas, and waste gas standard rate is high.
The gas outlet end 21 of the gas injection pipe 20 and the aeration pipe 51 of the aerator 50 are located on the same horizontal plane, and the gas outlet end 21 of the gas injection pipe 20 is located below the liquid level of the reaction liquid medicine, so that the gas injection speed of the tail gas can be reduced, the internal structure of the washing tower is prevented from being greatly impacted, the service life of the washing tower is shortened, and meanwhile, the tail gas can be prevented from reversely flowing into the gas injection pipe 20.
As shown in fig. 4, the sprinkler 30 includes:
a circulating water pump 31 disposed at one side of the bottom of the tower body 10;
the connecting pipe 32 is vertically arranged at the outer side of the tower body 10, the lower end of the connecting pipe 32 is connected with the circulating water pump 31, in the embodiment, two horizontal branch pipes 321 are arranged on the connecting pipe 32 along the length direction, and part of the structures of the branch pipes 321 extend into the accommodating cavity 11;
the sprinkler plate 33, which is communicated with the branch pipe 321, is disposed inside the accommodating cavity 11 and above the gas outlet end 21 of the gas injection pipe 20.
The reaction liquid medicine enters the connecting pipe 32 and the branch pipe 321 in sequence under the action of the circulating water pump 31, and then flows out through the sprinkling plate 33.
Continuing to refer to fig. 4, the sprinkling plate 33 is a cylindrical structure, the reaction liquid medicine can be stored in the sprinkling plate 33, a plurality of air-permeable grooves 331 are uniformly formed at two ends of the edge of the sprinkling plate 33, a plurality of drain holes 332 are formed in the bottom of the sprinkling plate 33, the reaction liquid medicine is sprayed out from the drain holes 332 to wash the tail gas, retention of particles is effectively achieved, and the reaction liquid medicine can react with related harmful gases.
Circulating water pump 31 sets up with gas injection pipe 20 relatively, and circulating water pump 31 and gas injection pipe 20 are located the both sides of tower body respectively for circulating water pump 31 is the biggest with gas injection pipe 20 distance, and the distance is the diameter of tower body 10, can prevent because the distance is nearer between the two, and tail gas is direct to get into circulating water pump 31 from gas injection pipe 20, reduces the reaction efficiency of tail gas and reaction liquid medicine, influences exhaust emission's up to standard.
The end of intaking of circulating water pump 31 is located one side of tower body 10 bottom to stretch into and hold in the cavity 11, the reaction liquid medicine is through circulating water pump 31's the end of intaking back, in proper order through circulating water pump 31, connecting pipe 32, branch pipe 321, watering plate 33, discharge through wash port 332 on the watering plate 33, the liquid medicine falls into the bottom that holds cavity 11, draw through circulating water pump 31 once more, discharge again, can carry out abundant effectual utilization to the medicine on the one hand, on the other hand has also improved the utilization ratio of water.
The bottom of defroster 40 is provided with waterproof ventilated membrane (not shown in the figure), and the surface of defroster 40 is provided with bleeder vent 41, and in this embodiment, tail gas is handled through watering device's twice drip washing, and is clean relatively, and when tail gas continued up to move, the waterproof ventilated membrane of defroster 40 left its steam composition, makes the up-moving of relatively dry tail gas, can guarantee the effect of subsequent processing.
As shown in fig. 1-2, the gas injection pipe 20 has an inverted "U" shape to prevent the reaction solution from being sucked back into the gas injection pipe 20 and damaging the blower in front of the gas injection pipe 20; tail gas enters the reaction liquid medicine at the bottom of the accommodating cavity 11 through the gas injection pipe 20 and the gas outlet 21, on one hand, the tail gas reacts with the reaction liquid medicine, on the other hand, the tail gas has a certain buffering effect, so that the impact on the internal structure of the washing tower is avoided, and the tail gas can be prevented from flowing backwards; meanwhile, the aerator 50 starts to work to inject a large amount of tail gas, the reaction speed is accelerated, the tail gas is assisted to overflow the reaction liquid medicine quickly, the tail gas moves upwards afterwards, then the circulating water pump 31 extracts the reaction liquid medicine, then the tail gas is discharged from the water spraying plate 33, the tail gas is rinsed, most of dust and impurities can be left in the water body after the tail gas is rinsed twice, a small amount of tail gas moves upwards continuously, after the tail gas is dehydrated by the demister 40, the relatively clean tail gas is treated by the activated carbon adsorption device 60 and the photocatalyst device 70, and finally the tail gas is discharged from a clean gas discharge port.
The tail gas washing tower in the embodiment has safe and stable operation and long service life, organic waste gas is absorbed by liquid medicine, the tail gas dust is treated by adopting a leaching method, the organic waste gas, odor and the like at a final discharge port are absorbed by active carbon and photocatalyst, the effect is good, the safety and the stability are realized, and accidents caused by high pressure generated by ionization of the organic waste gas can be avoided;
the bottom of the washing tower is filled with a certain amount of reaction liquid medicine, when tail gas enters the washing tower through the gas injection pipe, the tail gas can directly react with the liquid medicine, and a large amount of tail gas can be injected in the aeration machine, so that the reaction rate is rapidly increased.
Finally, it should be noted that: in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (8)
1. The utility model provides a tail gas scrubbing tower which characterized in that: the method comprises the following steps:
the tower body is internally provided with an accommodating cavity, and the top of the tower body is provided with an air outlet pipe;
the gas injection pipe is arranged on one side of the tower body, the gas outlet end of the gas injection pipe is close to the bottom of the tower body, and the gas injection pipe is used for injecting tail gas into the tower body;
the water spraying device is positioned above the gas outlet end of the gas injection pipe;
the demister is arranged inside the tower body and is positioned above the water sprinkling device;
wherein the content of the first and second substances,
the bottom that holds the cavity is provided with reaction liquid medicine and aeration machine, the top of tower body is provided with active carbon adsorption device, photocatalyst device, the end of giving vent to anger of outlet duct with active carbon adsorption device connects, active carbon adsorption device with photocatalyst device connects, photocatalyst device keeps away from active carbon adsorption device's one end sets up the net gas export.
2. The tail gas washing tower of claim 1, wherein the gas outlet end of the gas injection pipe is located on the same level as the aerator pipe of the aerator, and the gas outlet end of the gas injection pipe is located below the liquid level of the reaction liquid.
3. The exhaust gas scrubbing tower of claim 2, wherein said water spray device comprises:
the circulating water pump is arranged on one side of the bottom of the tower body;
the connecting pipe is vertically arranged on the outer side of the tower body, the lower end of the connecting pipe is connected with the circulating water pump, and at least one branch pipe is arranged on the connecting pipe along the length direction of the connecting pipe;
the water sprinkling plate is communicated with the branch pipe, is arranged in the accommodating cavity and is positioned above the gas outlet end of the gas injection pipe;
and the reaction liquid medicine sequentially enters the connecting pipe and the branch pipe under the action of the circulating water pump and then flows out through the sprinkling plate.
4. The exhaust gas scrubbing tower of claim 3, wherein said circulating water pump is disposed opposite said gas injection pipe, and wherein said circulating water pump and said gas injection pipe are disposed on opposite sides of said tower body.
5. The tail gas washing tower of claim 4, wherein a plurality of air-permeable grooves are uniformly formed at two ends of the sprinkling plate, a plurality of drain holes are formed at the bottom of the sprinkling plate, and the reaction liquid medicine is sprayed out of the drain holes.
6. The tail gas washing tower of claim 5, wherein the water inlet end of the circulating water pump is located at one side of the bottom of the tower body, and the reaction liquid medicine enters through the water inlet end of the circulating water pump and then is discharged through the circulating water pump, the connecting pipe, the branch pipe and the sprinkling plate in sequence.
7. The exhaust gas washing tower according to claim 1, wherein a waterproof and breathable film is provided at the bottom of the demister, and air holes are provided on the surface of the demister.
8. The exhaust gas scrubbing tower of claim 1, wherein said gas injection tube is of an inverted "U" configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221313396.1U CN217431356U (en) | 2022-05-30 | 2022-05-30 | Tail gas washing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221313396.1U CN217431356U (en) | 2022-05-30 | 2022-05-30 | Tail gas washing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217431356U true CN217431356U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221313396.1U Active CN217431356U (en) | 2022-05-30 | 2022-05-30 | Tail gas washing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217431356U (en) |
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2022
- 2022-05-30 CN CN202221313396.1U patent/CN217431356U/en active Active
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