CN209237658U - Tail gas treatment device - Google Patents
Tail gas treatment device Download PDFInfo
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- CN209237658U CN209237658U CN201821959194.8U CN201821959194U CN209237658U CN 209237658 U CN209237658 U CN 209237658U CN 201821959194 U CN201821959194 U CN 201821959194U CN 209237658 U CN209237658 U CN 209237658U
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- tail gas
- tower
- tower body
- treatment device
- gas treatment
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Abstract
The utility model discloses a kind of tail gas treatment devices, including the first treating column and second processing tower, first treating column and second processing tower include tower body, air inlet and air outlet are provided on tower body, the first jet head for water spray is provided in the tower body of first treating column, the second jet head for spraying lye and sodium thiosulfate mixed liquor is provided in the tower body of second processing tower, the gas outlet of first treating column and the air inlet of second processing tower pass through piping connection, the multistep treatment to tail gas is realized by the first treating column of setting and second processing tower, after tail gas first passes through the first treating column and water comes into full contact with, after the gases such as nitrogen oxide in tail gas are absorbed saturation, tail gas is entered further into second processing tower and is further contacted with spray lye and sodium thiosulfate mixed liquor, realize the further absorption to gases such as nitrogen oxides, from And it is more sufficiently and thorough that the absorption for tail gas is handled.
Description
Technical field
The utility model relates to the field of tail gas treatment, more specifically, it relates to a kind of tail gas treatment device.
Background technique
In precious metal refineries industry using chloroazotic acid resolution noble metal can generate a large amount of tail gas, mainly by nitrogen oxides,
The composition such as hydrogen chloride gas, these tail gas needs are dealt carefully with and could be discharged outward, and existing processing mode mainly has absorption method, urges
Agent reduction method and liquid absorption method, wherein liquid absorption method is the most commonly used, mainly passes through shower water and contacts with tail gas and reaches
To the purpose of absorption, although the nitrogen oxides, hydrogen chloride gas of part in tail gas can be absorbed in this way, in tail gas still also
Can have many nitrogen oxides, hydrogen chloride gas is not absorbed, there is a problem of absorb insufficient, the tail gas of such outlet
It is easy to cause environmental pollution.
Utility model content
In view of the deficienciess of the prior art, having the purpose of this utility model is to provide a kind of tail gas treatment device
For the more sufficiently thorough advantage of vent gas treatment.
To achieve the above object, the utility model provides following technical solution:
A kind of tail gas treatment device, including the first treating column and second processing tower, first treating column and second processing
Tower includes tower body, and air inlet and air outlet are provided on the tower body, is provided with and is used in the tower body of first treating column
First jet head of water spray is provided with for spraying lye and sodium thiosulfate mixed liquor in the tower body of the second processing tower
Two jet heads, the gas outlet of first treating column and the air inlet of second processing tower pass through piping connection.
Realize that the multistep treatment to tail gas, tail gas first pass through the first processing by the first treating column of setting and second processing tower
After tower and water come into full contact with, after the gases such as nitrogen oxide in tail gas are absorbed saturation, tail gas enters further into second processing tower
In further contacted with lye and sodium thiosulfate mixed liquor, further absorption to gases such as nitrogen oxides is realized, to make
The absorption processing obtained for tail gas is more sufficiently and thorough, realizes environmental protection outlet.
The utility model is further arranged: the second processing tower is at least provided with two, the previous second processing
The air inlet of the gas outlet of tower and next second processing tower passes through piping connection.
By the way that multiple second processing towers are arranged, so that tail gas can be sufficiently by multistage second processing tower before outlet
Lye and sodium thiosulfate mixed liquor absorbed so that vent gas treatment effect further increases, outlet has more the feature of environmental protection.
The utility model is further arranged: being arranged at intervals with partition in the tower body, offers on the partition curved
Liquid-passing hole.
By the setting of partition, the continuous blocking of multiple partitions will receive when liquid is sprayed and fallen from jet head, and logical
Fluid apertures bending setting, to effectively slow down the time needed for liquid falls to tower body bottom, so that being passed through the intracorporal tail of tower
Gas sufficiently can be contacted and be absorbed with liquid, therefore more significant for the treatment effect of tail gas.
The utility model is further arranged: the liquid-passing hole on the adjacent partition shifts to install.
By the way that liquid-passing hole curved in adjacent separator is shifted to install, can further extend in this way liquid flow down when
Between, liquid is contacted with tail gas more for a long time, is improved to vent gas treatment effect.
The utility model is further arranged: being provided with packing layer between the adjacent partition.
Packing layer can fill the cavity between full partition, while not influencing tail gas and liquid passes through, Ke Yiyan
Long tail gas and liquid are in the intracorporal flowing time of tower, the contact for allowing the two more permanent in tower body, the acid in tail gas
Property substance can be more fully absorbed.
The utility model is further arranged: the bottom of the partition is extended with the receipts side of interior receipts, and the receipts side is set in a ring
It sets.
It can play the role of guiding liquid by the setting for receiving side, the liquid to flow down along tower body inner wall can receive side
Guidance under be directed in the middle part of tower body, liquid is more comprehensively contacted with the intracorporal tail gas of tower, better tail is reached
Gas disposal effect.
The utility model is further arranged: in tower body lower part, the gas outlet is arranged on tower body top for the air inlet setting
Portion, first jet head and the second jet head are provided with multiple and are separately fixed in tower body top inner wall.
It is arranged in this way so that tail gas flows from bottom to up, and liquid is to flow from top to bottom, the mode of reverse flow
The contact assimilation effect that both can make is more significant, and the air-flow of tail gas also has and slows down what liquid flowed down to a certain extent
Effect.
The utility model is further arranged: the bottom of the tower body, which is provided with, connects flow container, and described connect is connected with liquid on flow container
Position pipe, the liquid level tube both ends with connect flow container and be connected to.
Connecing flow container has the function of accepting liquid, while learning the liquid connect in flow container by the setting of liquid level tube convenient for observation
Position height, convenient for handling the liquid connect in flow container in time.
The utility model is further arranged: the bottom interior wall for connecing flow container is cambered surface, and described connect is connected with pumping on flow container
Liquid pipe, the liquid suction pipe are located at the one end connect in flow container and are located at cambered surface lowest part.
Liquid suction pipe, which plays the role of detaching, first connects liquid pot liquid, will connect flow container bottom wall and is arranged to cambered surface and makes in drawing liquid
When more thorough the liquid connect in flow container can be exhausted.
The utility model is further arranged: offering observation window on the tower body side wall.
The setting of observation window observes the working condition in absorption tower usually convenient for staff, can accomplish when encountering problems and
When cope with.
In conclusion the utility model has the following beneficial effects:
It is realized by the multistage treating column of setting and the multistage absorption of tail gas is handled, the tail gas after moisture absorption saturation is again
Absorption is further contacted by lye and sodium thiosulfate mixed liquor, is reached to the more thorough purpose of vent gas treatment, Er Qietong
It crosses and multiple partitions and packing layer is set in tower body, and curved liquid-passing hole shifts to install in adjacent separator, by this way
Combination settings mode can largely slow down liquid and tail gas in the intracorporal velocity of liquid assets of tower, and then can make
The two can come into full contact in tower body, achieve the purpose that tail gas is more fully absorbed, final to realize to tail gas absorption more
Abundant thorough purpose reduces the pollution to environment so that tail gas outlet has more the feature of environmental protection.
Detailed description of the invention
Fig. 1 is the overall structure figure of the present embodiment；
Fig. 2 is the internal structure chart of the first treating column in the present embodiment.
Appended drawing reference: 1, the first treating column；2, second processing tower；3, tower body；31, tower body；32, Ta Gai；4, air inlet；5,
Gas outlet；6, the first jet head；7, the second jet head；8, water pipe；9, fluid-through tube；10, partition；11, liquid-passing hole；12, packing layer；
13, side is received；14, observation window；15, flow container is connect；16, liquid level tube；17, liquid suction pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of tail gas treatment device, as depicted in figs. 1 and 2, including sequentially connected first treating column 1 and second processing tower
2, wherein second processing tower 2 is disposed with 3, and the first treating column 1 and second processing tower 2 include tower body 3, in tower body 3
Bottom side offers the air inlet 4 entered for tail gas, and the gas outlet 5 gone out for tail gas is offered at the top of tower body 3, the
The gas outlet 5 of one treating column 1 is connected to the air inlet 4 of second processing tower 2 by piping connection realization, and second processing tower 2 goes out
Port 5 is sequentially connected realization by pipeline with the air inlet 4 of next second processing tower 2 and is connected to, while in the first treating column 1
3 inner upper of tower body is fixed with the first jet head 6 of multiple horizontal intervals, and the water pipe of conveying water is connected in the first jet head 6
8, it is fixed with the second jet head 7 of multiple horizontal intervals in 3 inner upper of tower body of second processing tower 2, is connected in the second jet head 7
Have conveying lye and sodium thiosulfate mixed liquor fluid-through tube 9, such tail gas from the air inlet 4 of the first treating column 1 entrance after and
The water of spray contacts, and after the gases such as nitrogen oxides in tail gas are only absorbed by the water, then is flow in second processing tower 2 and spray by pipeline
The lye of leaching is contacted with sodium thiosulfate mixed liquor carries out secondary treatment absorption, by the further absorption of 3 second processing towers 2
The absorption treatment effect to tail gas is improved, so that the tail gas of outlet has more the feature of environmental protection, reduces the pollution to environment.
It is vertically arranged at intervals with partition 10 in 3 inside of tower body, and offers the logical liquid passed through for liquid on partition 10
Hole 11, the liquid-passing hole 11 are bent hole, while the liquid-passing hole 11 in adjacent separator 10 shifts to install, and adjacent separator 10 it
Between in the cavity that is formed filled with packing layer 12, which is Pall ring, and combination setting in this way can very great Cheng
Slow down the flowing velocity of tail gas and liquid in tower body 3 on degree, and then the two abundant long-time in tower body 3 can be made
Contact, so that the absorption treatment effect for tail gas is more significant；Since tail gas is substantially from partition 10 in use
What the liquid-passing hole 11 in portion passed through, therefore be extended with the receipts side 13 of interior receipts in the bottom of partition 10, the receipts side 13 and 10 one of partition at
Type and it is arranged in a ring, guiding function can be played by receiving side 13 in this way, it can be with by the liquid to flow down at original 3 inner wall of tower body
Guidance can preferably promote contact of the liquid with tail gas to 3 middle part of tower body.
In addition it is vertically spaced apart on the side wall of tower body 3 and is equipped with observation window 14, be convenient for by the setting by observation window 14
Staff can usually observe the working condition in tower body 3 in time, can accomplish to cope in time when encountering problems.
Wherein the bottom of tower body 3, which is run through and is connected with, connects flow container 15, is provided with liquid level tube on the side wall for connecing flow container 15
16, the liquid level tube 16 is vertically arranged and both ends with connect flow container 15 and be connected to, connect flow container 15 in this way when accepting liquid, staff
The level condition for connecing flow container 15 can be timely learnt by observation liquid level tube 16；The bottom interior wall for connecing flow container 15 simultaneously is arc
Face, and it is additionally provided with liquid suction pipe 17 in the side for connecing flow container 15, one end of liquid suction pipe 17 is located at the cambered surface for connecing 15 bottom of flow container
The liquid connect in flow container 15 can be extracted out by liquid suction pipe 17 in this way, and can taken out more thorough by lowest part.
Wherein tower body 3 includes tower body 31 and tower lid 32, and realization is bolted detachably in tower lid 32 and tower body 31, this
When jet head breaks down, need to only dismantle tower lid 32 can repair or replace to it sample, and operation is more convenient.
Specific work process: tail gas is first passed through from the air inlet 4 of the first treating column 1, opens the first jet head 6 and second
The mixed liquor of jet head 7, water and lye and sodium thiosulfate constantly passes through liquid-passing hole 11 and packing layer 12 flows down, and tail gas is not
Disconnected up flowing contact with water be absorbed handle after be discharged and passed in second processing tower 2 from 1 gas outlet 5 of the first treating column, then with
Lye is further contacted with the mixed liquor of sodium thiosulfate in second processing tower 2, and tail gas is handled by further absorption, and tail gas is ined succession
It is then exhausted from after the processing of the multistage absorption of subsequent 3 second processing towers 2, reaches good absorption treatment effect, each tower body 3
In the liquid that flows down can be accumulated in and connect in flow container 15, when observing that 16 water level of liquid level tube connect on flow container 15 is higher, pass through pumping
Liquid pipe 17 will take out outside liquid, and so continuous work, which is realized, fully absorbs processing to tail gas, achieve the purpose that environmental protection.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of tail gas treatment device, it is characterized in that: including the first treating column (1) and second processing tower (2), first processing
Tower (1) and second processing tower (2) include tower body (3), are provided with air inlet (4) and gas outlet (5), institute on the tower body (3)
State the first jet head (6) being provided in the tower body (3) of the first treating column (1) for water spray, the tower of the second processing tower (2)
The second jet head (7) for spraying lye and sodium thiosulfate mixed liquor is provided in body (3), first treating column (1)
The air inlet (4) of gas outlet (5) and second processing tower (2) passes through piping connection.
2. tail gas treatment device according to claim 1, it is characterized in that: the second processing tower (2) is at least provided with two
A, the gas outlet (5) of the previous second processing tower (2) and the air inlet (4) of next second processing tower (2) pass through pipeline
Connection.
3. tail gas treatment device according to claim 1, it is characterized in that: being arranged at intervals with partition in the tower body (3)
(10), curved liquid-passing hole (11) are offered on the partition (10).
4. tail gas treatment device according to claim 3, it is characterized in that: the liquid-passing hole (11) on the adjacent partition (10)
It shifts to install.
5. tail gas treatment device according to claim 3, it is characterized in that: being provided with filler between the adjacent partition (10)
Layer (12).
6. tail gas treatment device according to claim 3, it is characterized in that: the bottom of the partition (10) is extended with interior receipts
It receives side (13), the receipts side (13) is arranged in a ring.
7. tail gas treatment device according to claim 1, it is characterized in that: the air inlet (4) is arranged under tower body (3)
Portion, at the top of tower body (3), first jet head (6) and the second jet head (7) are provided with multiple for the gas outlet (5) setting
And it is separately fixed in tower body (3) top inner wall.
8. tail gas treatment device according to claim 1, it is characterized in that: the bottom of the tower body (3) is provided with and connects flow container
(15), described connect is connected with liquid level tube (16) on flow container (15), liquid level tube (16) both ends with connect flow container (15) and be connected to.
9. tail gas treatment device according to claim 8, it is characterized in that: the bottom interior wall for connecing flow container (15) is arc
Face, described connect are connected with liquid suction pipe (17) on flow container (15), the liquid suction pipe (17) is located at the one end connect in flow container (15) and is located at
Cambered surface lowest part.
10. tail gas treatment device according to claim 1, it is characterized in that: offering observation window on the tower body (3) side wall
(14)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821959194.8U CN209237658U (en) | 2018-11-24 | 2018-11-24 | Tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821959194.8U CN209237658U (en) | 2018-11-24 | 2018-11-24 | Tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209237658U true CN209237658U (en) | 2019-08-13 |
Family
ID=67530393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821959194.8U Active CN209237658U (en) | 2018-11-24 | 2018-11-24 | Tail gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209237658U (en) |
-
2018
- 2018-11-24 CN CN201821959194.8U patent/CN209237658U/en active Active
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