CN213067157U - Tail gas treatment device - Google Patents
Tail gas treatment device Download PDFInfo
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- CN213067157U CN213067157U CN202021264855.2U CN202021264855U CN213067157U CN 213067157 U CN213067157 U CN 213067157U CN 202021264855 U CN202021264855 U CN 202021264855U CN 213067157 U CN213067157 U CN 213067157U
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- gas treatment
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Abstract
The utility model relates to the technical field of tail gas treatment, in particular to a tail gas treatment device, which comprises a tower body, wherein the tower body is sequentially divided into an upper part, a middle part and a lower part from top to bottom; the bottom end of the side part of the lower part of the tower body is provided with a tail gas inlet; a first folding baffle is transversely arranged in the lower part of the tower body, and a first atomizing nozzle assembly is arranged above each first folding baffle; a second baffle is transversely arranged at the upper part of the tower body, and a second atomizing spray head assembly is arranged above each second baffle; a first cold air inlet is formed in the outer peripheral side of the upper part of the tower body; the first folding baffle and the second folding baffle are both provided with a plurality of emptying gaps which are distributed at intervals; compared with the prior art, the method reduces the generation of white fog, solves the problem of the phenomenon of white fog or drifting rain in the past, eliminates the peculiar smell and the water vapor of tail gas, and avoids the pollution to the atmosphere.
Description
Technical Field
The utility model relates to a tail gas treatment technical field, concretely relates to tail gas treatment device.
Background
With the increasing production and living of environmental requirements, the phenomena of rain and white fog can occur when part of steam water and hot steam generated in the production process of enterprises meet the humid and cold air during the discharge.
In the papermaking workshop, above-mentioned phenomenon can often appear when the vacuum pump system suction steam in amortization pond discharges toward the outside, considers the environmental protection demand, combines the workshop behavior, and prior art mainly adopts the mode that vacuum pump amortization pond was aired exhaust to handle to reduce the production of white vaporific steam.
The exhausted air of the vacuum pump silencing pool is basically discharged into the environment in a saturated wet air mode due to high moisture content, when the environment temperature is low, the wet and hot saturated air enters the atmosphere and is rapidly condensed due to temperature reduction and is insufficiently diffused, so that the seen white fog is easily formed, and the phenomenon of local rain floating can also occur in serious conditions. Secondly, the air speed of the air exhaust outlet of the vacuum pump is relatively high, condensed liquid drops in wet air cannot form a condensed liquid film in the air exhaust pipeline, water molecules in the exhaust air are suspended and exhausted into the atmosphere along with high-speed air flow, and the main reason why 'white fog' is easily formed in winter is also shown.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can reduce the tail gas processing apparatus that rain or white fog phenomenon take place to not enough among the prior art.
The purpose of the utility model is realized through the following technical scheme: the application provides a tail gas treatment device, which comprises a tower body, wherein the tower body is sequentially divided into an upper part, a middle part and a lower part from top to bottom; the bottom end of the side part of the lower part of the tower body is provided with a tail gas inlet; at least one first folding baffle is transversely arranged in the lower part of the tower body, and a first atomizing nozzle assembly is arranged above each first folding baffle; the upper part of the tower body is transversely provided with at least one second baffle plate, and a second atomizing spray head assembly is arranged above each second baffle plate; at least one first cold air inlet is formed in the outer peripheral side of the upper part of the tower body, and each first cold air inlet is located below the second baffle; a plurality of evacuation gaps arranged at intervals are formed in the first folding baffle and the second folding baffle.
Wherein, the top in the tower body upper portion transversely is equipped with the third baffle that is used for the amortization, and the bottom in the tower body upper portion transversely is equipped with the fourth baffle that rolls over that is located first cold wind import below, and a plurality of evacuation gaps of arranging at intervals are all seted up to third baffle and fourth baffle.
Wherein the cross-sectional area of the upper part of the tower body is larger than the cross-sectional area of the lower part of the tower body.
Wherein the cross-sectional area of the middle part of the tower body is gradually reduced from top to bottom.
At least one second cold air inlet is formed in the outer peripheral side of the middle of the tower body, and the air inlet direction of the second cold air inlet is obliquely upward.
Wherein a water storage tank is arranged below the water outlet.
Wherein, still including the circulation water route, the circulation water route includes cooling tower, return water pump and working shaft, the one end intercommunication of tank and return water pump, the other end of return water pump and the return water mouth intercommunication of cooling tower, the delivery port of cooling tower and the one end intercommunication of working shaft, the other end of working shaft respectively with first atomizer subassembly and second atomizer subassembly intercommunication.
The utility model has the advantages that: the working process of the tail gas treatment device is as follows: tail gas gets into from the tail gas import of tower body lower part, when tail gas passed the evacuation gap upflow of first baffle, a lot of water droplets of first atomizer subassembly blowout, the water droplet scatters on tail gas and first baffle of folding, the water droplet carries out the heat transfer with first baffle of folding, reduce the temperature of first baffle of folding, thereby tail gas is when through first baffle of folding, tail gas can cool down, in addition, the water droplet can directly carry out the heat exchange of heat and mass transfer with tail gas, tail gas can cool down and the condensation, the water droplet heaies up because of with tail gas heat transfer after simultaneously, fall into the outlet of tower body lower part and discharge. Tail gas at the lower part of the tower body enters the upper part of the tower body upwards after being sprayed, a first cold air inlet is formed in the upper part of the tower body, fresh air is introduced into the upper part of the tower body and then is fully mixed with the tail gas, the tail gas exchanges heat with the fresh air and is cooled again, then flows through a second folding baffle plate at the upper part of the tower body, is condensed again under the action of a second atomizing nozzle assembly, is condensed and separated out through an emptying gap of the second folding baffle plate, and finally is exhausted into the atmosphere through an exhaust fan;
compared with the prior art, the method reduces the generation of white fog, solves the problem of the phenomenon of white fog or drifting rain in the past, eliminates the peculiar smell and the water vapor of tail gas, and avoids the pollution to the atmosphere.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is an internal schematic view of a tail gas treatment device of the present invention.
Description of the drawings: the device comprises a tower body upper part 11, a tower body middle part 12, a tower body lower part 13, a tail gas inlet 14, a water outlet 15, a first folding baffle 21, a second folding baffle 22, a third folding baffle 23, a fourth folding baffle 24, a first atomizing nozzle component 31, a second atomizing nozzle component 32, a first cold air inlet 51, a second cold air inlet 52, an exhaust fan 6, a water storage tank 71, a cooling tower 72, a water return pump 73 and a water supply pump 74.
Detailed Description
The invention will be further described with reference to the following examples.
The utility model discloses a tail gas processing apparatus's embodiment, as shown in fig. 1, including the tower body, the tower body is from last to dividing into tower body upper portion 11, tower body middle part 12 and tower body lower part 13 down in proper order. Two exhaust fans 6 are fixedly arranged at the top end of the upper part 11 of the tower body, and a water outlet 15 is arranged at the bottom end part of the lower part 13 of the tower body.
As a modification, the bottom end of the side part of the lower part 13 of the tower body is provided with a tail gas inlet 14. Two first folding baffles 21 are transversely arranged in the lower part 13 of the tower body, and a first atomizer assembly 31 is arranged above each first folding baffle 21. A second baffle 22 is transversely arranged in the upper part 11 of the tower body, and a second atomizer head assembly 32 is arranged above the second baffle 22. A plurality of first cold air inlets 51 are formed on the outer peripheral side of the upper part 11 of the tower body, and each first cold air inlet 51 is positioned below the second baffle 22. The first baffle 21 and the second baffle 22 are both provided with a plurality of evacuation gaps which are arranged at intervals.
In this embodiment, in order to reduce the intensity of the exhaust noise, a third baffle 23 for silencing is transversely disposed at the top end of the tower body upper portion 11, and the third baffle 23 is provided with a plurality of evacuation gaps arranged at intervals.
In this embodiment, in order to further improve the heat exchange efficiency between the cold air and the tail gas, a plurality of second cold air inlets 52 are provided on the outer peripheral side of the tower body middle portion 12, the air inlet direction of the second cold air inlets 52 is set obliquely upward, the bottom end in the tower body upper portion 11 is transversely provided with a fourth baffle 24 located below the first cold air inlet 51, and the fourth baffle 24 is provided with a plurality of evacuation gaps arranged at intervals. Due to the arrangement of the fourth baffle 24, the middle part 12 of the tower body can generate flocculation flow, and the heat exchange efficiency of cold air and tail gas is improved.
In this embodiment, in order to improve the smoothness of the exhaust gas flow, the cross-sectional area of the upper part 11 of the tower is larger than that of the lower part 13 of the tower, and the cross-sectional area of the middle part 12 of the tower is gradually reduced from top to bottom. Through foretell setting, make the bore of whole tower body from last to dwindling gradually down to can play the effect of unloading the tail gas pressure, further fall the noise.
The working process of the tail gas treatment device of the embodiment is as follows: tail gas gets into from the tail gas import 14 of tower body lower part 13, tail gas passes two first baffle 21 of folding evacuation gap during upwards flowing in proper order, a lot of water droplets of first atomizer subassembly 31 blowout, the water droplet scatters on tail gas and first baffle 21 of folding, the water droplet exchanges heat with first baffle 21 of folding, reduce the temperature of first baffle 21 of folding, thereby make tail gas when passing through first baffle 21 of folding, tail gas can cool down, in addition, the water droplet can directly carry out the heat exchange of heat and mass transfer with tail gas, tail gas can cool down and the condensation, simultaneously the water droplet is because of rising temperature with the tail gas heat exchange back, the outlet 15 that falls into tower body lower part 13 discharges. The tail gas of tower body lower part 13 is gone up into tower body middle part 12 after spraying, the tail gas can carry out the heat transfer with the cold air that second cold wind import 52 let in after getting into tower body middle part 12, then get into tower body upper portion 11 through fourth baffle 24, tower body upper portion 11 is equipped with first cold wind import 51, fresh air mixes with the tail gas after letting in tower body upper portion 11 fully, the tail gas exchanges heat with fresh air, lower the temperature once more, then flow through the second baffle 22 of tower body upper portion 11 again, the tail gas recondenses under the effect of second atomizer subassembly 32, through the evacuation clearance condensation of second baffle 22 and separate out, at last by exhaust fan 6 row income atmosphere.
In the present embodiment, a reservoir 71 is provided below the drain port 15. The tail gas treatment device further comprises a circulating water path, the circulating water path comprises a cooling tower 72, a water return pump 73 and a water supply pump 74, the water storage tank 71 is communicated with one end of the water return pump 73, the other end of the water return pump 73 is communicated with a water return port of the cooling tower 72, a water outlet of the cooling tower 72 is communicated with one end of the water supply pump 74, and the other end of the water supply pump 74 is communicated with the first atomizing nozzle assembly 31 and the second atomizing nozzle assembly 32 respectively, so that the tower body is matched to form a circulating water loop, and a water saving resource effect is achieved.
The cooling and demisting process is a pure physical process with water as a raw material and adopts the principle of cooling and heat release to treat white mist generated in the tail gas release process. The white mist can be smoothly condensed by absorbing the heat of the white mist, so that the white mist is not discharged along with tail gas. The whole process does not produce harmful substances, does not produce secondary pollution to the environment and has quick cooling effect. The spray cooling terminal releases water mist particles with the particle size of 20 microns into the air through a special high-pressure atomizing nozzle, the water mist particles are continuously cooled in the spreading process, and a large amount of heat energy in the area is absorbed, so that the cooling purpose is achieved. Because the humidity of air increases, therefore harmful dust in the air significantly reduces, reaches air-purifying's effect, and anhydrous drop phenomenon, atomizing are thin, the range fortune are not used in the use, if cooperate large-traffic axial fan to use, increase indoor exhaust volume, improve the air flow speed, can further improve the result of use.
An air outlet of the upper part 11 of the tower body can be provided with a temperature detection transmitter for detecting the temperature of the tail gas exhausted into the atmosphere. Wherein, the cold water volume of atomizer subassembly and the cold wind volume of cold wind import can be regulated and control according to environment humiture and actual need, and different operating parameter are adopted in different seasons, different time, have both solved the environmental protection problem, reach energy-conserving purpose again. All equipment is configured according to the maximum theoretical value, and when the equipment is actually operated, full-load operation is not needed for most of time, so that the actual average energy consumption is far less than the maximum theoretical energy consumption.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a tail gas processing apparatus which characterized in that: the tower body is sequentially divided into an upper part, a middle part and a lower part from top to bottom, at least one exhaust fan is fixedly installed at the top end of the upper part of the tower body, and a water outlet is formed in the bottom end part of the lower part of the tower body;
a tail gas inlet is formed in the bottom end of the side part of the lower part of the tower body;
at least one first folding baffle is transversely arranged in the lower part of the tower body, and a first atomizing nozzle assembly is arranged above each first folding baffle;
at least one second baffle plate is transversely arranged at the upper part of the tower body, and a second atomizing spray head assembly is arranged above each second baffle plate;
at least one first cold air inlet is formed in the outer peripheral side of the upper part of the tower body, and each first cold air inlet is located below the second baffle;
the first baffle and the second baffle are folded to be provided with a plurality of evacuation gaps which are distributed at intervals.
2. The exhaust gas treatment device according to claim 1, characterized in that: the top in the tower body upper portion transversely is equipped with the third baffle that is used for the amortization, the bottom in the tower body upper portion transversely is equipped with the fourth baffle that rolls over that is located first cold wind import below, a plurality of evacuation clearances that arrange at the interval are all seted up to third baffle and fourth baffle.
3. The exhaust gas treatment device according to claim 1, characterized in that: the cross sectional area of the upper part of the tower body is larger than that of the lower part of the tower body.
4. The exhaust gas treatment device according to claim 3, characterized in that: the cross section area in the middle of the tower body is gradually reduced from top to bottom.
5. The exhaust gas treatment device according to claim 1, characterized in that: at least one second cold air inlet is formed in the outer peripheral side of the middle of the tower body, and the air inlet direction of the second cold air inlet is obliquely upward.
6. The exhaust gas treatment device according to claim 1, characterized in that: a water storage tank is arranged below the water outlet.
7. The exhaust gas treatment device according to claim 6, wherein: still include the circulation water route, the circulation water route includes cooling tower, return water pump and working shaft, the one end intercommunication of tank and return water pump, the other end of return water pump and the return water mouth intercommunication of cooling tower, the delivery port of cooling tower and the one end intercommunication of working shaft, the other end of working shaft respectively with first atomizer subassembly and second atomizer subassembly intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264855.2U CN213067157U (en) | 2020-06-30 | 2020-06-30 | Tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264855.2U CN213067157U (en) | 2020-06-30 | 2020-06-30 | Tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213067157U true CN213067157U (en) | 2021-04-27 |
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ID=75569498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021264855.2U Active CN213067157U (en) | 2020-06-30 | 2020-06-30 | Tail gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213067157U (en) |
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2020
- 2020-06-30 CN CN202021264855.2U patent/CN213067157U/en active Active
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