CN206229149U - Device for absorbing tail gas - Google Patents
Device for absorbing tail gas Download PDFInfo
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- CN206229149U CN206229149U CN201621202693.3U CN201621202693U CN206229149U CN 206229149 U CN206229149 U CN 206229149U CN 201621202693 U CN201621202693 U CN 201621202693U CN 206229149 U CN206229149 U CN 206229149U
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- Prior art keywords
- falling
- film absorber
- tail gas
- receiving tank
- absorbing tail
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Abstract
The utility model proposes a kind of device for absorbing tail gas, solve chlorine in the prior art and do not react the environmental disruption and the increased problem of production cost for causing completely.The device for absorbing tail gas includes multiple by the end to end falling-film absorber of pipeline, and positioned at the first falling-film absorber by arranging chlorine pipe coupled reaction kettle, the falling-film absorber positioned at last position connects alkali lye spray column by blower fan；Falling-film absorber lower section is provided with the receiving tank for being corresponded with it and being communicated therewith, and the receiving tank connects the top of the falling-film absorber by water pump, for by the water circulation use in the receiving tank.Device for absorbing tail gas simple structure of the present utility model, it is easy to use, can effectively process unreacted and thoroughly chlorine and be recycled, protect that environment and staff's is healthy, while production cost is reduced, with good practicality.
Description
Technical field
The utility model is related to 2,6- Dichloro-4-nitroaniline production equipment technical fields, particularly relates to a kind of structure letter
It is single, easy to use, the device for absorbing tail gas of air destruction can be effectively reduced.
Background technology
2,6- Dichloro-4-nitroanilines are mainly used in preventing and treating sclerotinia rot of colza, to wheat powdery mildew, Cotton Boll Rot, fruit tree
With vegetable spoilage disease also have certain prevention effect, therefore, at this stage the market demand of 2,6- Dichloro-4-nitroanilines compared with
Greatly, especially in agriculture field.
Chemical field typically adds the raw materials such as Solid aniline, then thereto in a kettle. when the product is prepared
Chlorine is continuously passed through, while be stirred to the raw material in reactor, after a period of time is reacted, you can system into
Product, i.e. 2,6- Dichloro-4-nitroanilines, but in actual production process, due to the raw material that there are various forms in reactor,
Have including solid and liquid, and reactor is relatively large in diameter, and chlorine is unable to total overall reaction after being passed through in reactor, and part is not
The chlorine of reaction can tap into capable emptying by the upper straight of reactor, and destruction, and harm work people are not only caused to environment
Member's is healthy, virtually further increases the cost input of production.
Utility model content
The utility model proposes a kind of device for absorbing tail gas, solve chlorine in the prior art and do not react the ring for causing completely
Border is destroyed and the increased problem of production cost.
What the technical solution of the utility model was realized in：Device for absorbing tail gas, including it is multiple by pipeline head and the tail phase
Falling-film absorber even, positioned at the first falling-film absorber by arranging chlorine pipe coupled reaction kettle, positioned at the falling-film absorber of last position
Alkali lye spray column is connected by blower fan；
The falling-film absorber lower section is provided with the receiving tank for being corresponded with it and being communicated therewith, and the receiving tank passes through
Water pump connects the top of the falling-film absorber, for by the water circulation use in the receiving tank.
Preferred embodiment pass through pipeline connection between all of receiving tank as a kind of, the water pump is tetrafluoro pump.
As the improvement to above-mentioned technical proposal, water discharging valve is equipped with the receiving tank described in each.
As the further improvement to above-mentioned technical proposal, multiple cloth successively from top to bottom are provided with the falling-film absorber
The horizontal baffle put, is provided with some air-vents on the baffle plate, misplaced between the air-vent on two neighbouring baffle plates
Arrangement.
As the further improvement to above-mentioned technical proposal, it is coated with row's chlorine pipe and the junction of falling-film absorber
Heating jacket, the top of the falling-film absorber is additionally provided with hot wind inlet, and the hot wind inlet goes out with the falling-film absorber
Air port is located in same level.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：Device for absorbing tail gas of the present utility model
Chlorine is progressively absorbed by the multiple falling-film absorbers being sequentially connected, is then formed hydrochloric acid and is stored in the receiving tank of lower section,
And water pump can be by the water circulation use in receiving tank, until concentration of hydrochloric acid reaches saturation, final chloride relatively low gas is through most
The falling-film absorber of last position, blower fan deliver to alkali lye spray column, and in the treatment of the whole chlorine of completion herein, this structure is not only reclaimed
Chlorine forms hydrochloric acid and is used, and reduces the discharge of chlorine and the use of alkali lye, protects environment and staff
It is healthy, while reducing production cost.
To be got up by pipeline connection between all of receiving tank, it is ensured that the concentration of hydrochloric acid phase in all receiving tanks
Together, the recycling of chlorine and hydrochloric acid is reclaimed to facilitate.
Set its uniform effluent in the receiving tank after the hydrochloric acid that water discharging valve can be in it reaches finite concentration out.
The baffle plate being arranged in falling-film absorber can effectively slow down the falling speed of recirculated water, and extension chlorine connects with water
The time of touching, while the air-vent of the arrangement that misplaces can gradually break up the water droplet of whereabouts, smaller water droplet is formed, so that further
Improve the organic efficiency of chlorine.
The hot wind inlet of heating jacket and falling-film absorber top on the row's of being arranged on chlorine pipe can improve chlorine and circulation
The temperature of water, so as to improve the solubility of chlorine, accelerates the organic efficiency of chlorine.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of the utility model；
Fig. 2 is the structural representation of falling-film absorber in the embodiment；
In figure：1- pipelines；2- falling-film absorbers；3- arranges chlorine pipe；4- blower fans；5- receiving tanks；6- water pumps；7- water discharging valves；
8- baffle plates；9- air-vents；10- heating jackets；11- hot wind inlets；12- air outlets.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Embodiment：
As shown in figure 1, being a kind of embodiment of the utility model device for absorbing tail gas, the device includes multiple (figures first
It is shown as two) by the end to end falling-film absorber 2 of pipeline 1, connected by arranging chlorine pipe 3 positioned at the first falling-film absorber 2
Reactor (not shown), the falling-film absorber 2 positioned at last position connects alkali lye spray column and (does not also show in figure by blower fan 4
Go out).
The receiving tank 5 for being corresponded with it and being communicated therewith, the receiving tank 5 are provided with the lower section of falling-film absorber 2
The top of the falling-film absorber 2 is connected by water pump 6, for by the water circulation use in the receiving tank 5.Said structure
Basic functional principle is：The chlorine not reacted completely in reactor enters in first falling-film absorber 2 through arranging chlorine pipe 3, is following
In the presence of ring water, part chlorine is dissolved in water formation hydrochloric acid and falls into again in the receiving tank 5 of lower section, so successively absorbs, last
The chlorine gas concentration of the discharge of individual falling-film absorber 2 is very low, then is processed by alkali lye spray column.Wherein, falling-film absorber 2
It is technological means commonly used in the art, its structure will not be repeated here.
In order to prevent water pump 6 by hcl corrosion, the embodiment uses tetrafluoro pump, and all of receiving tank 5 passes through
The connection of pipeline 1 is got up, it is ensured that the concentration of hydrochloric acid in all receiving tanks 5 is identical, and the recycling of chlorine and hydrochloric acid is reclaimed to facilitate.
Water discharging valve 7 is additionally provided with receiving tank 5 described in each, the hydrochloric acid in closed cans waiting 5 is unified row after reaching finite concentration
Release.
As shown in Fig. 2 being the schematic cross-sectional view of the embodiment falling-film absorber 2, multiple is being internally provided with from top to bottom
The horizontal baffle 8 being sequentially arranged, is provided with some air-vents 9 on the baffle plate 8, saturating on two neighbouring baffle plates 8
Misplace arrangement between stomata 9.Air-vent 9 not only ensures the rising of chlorine, and ensure that the flowing of recirculated water, in addition, this
A little baffle plates 8 can effectively slow down the time of contact of the falling speed of recirculated water, extension chlorine and water, while the arrangement that misplaces is ventilative
Hole 9 can gradually break up the water droplet of whereabouts, form smaller water droplet, so as to further improve the organic efficiency of chlorine.
In addition, heating jacket 10 is coated with row's chlorine pipe 3 and the junction of falling-film absorber 2, the falling-film absorber 2
Top is additionally provided with hot wind inlet 11, and the hot wind inlet 11 is located at same level with the air outlet 12 of the falling-film absorber 2
On, the temperature of chlorine and recirculated water can be so improved, so as to improve the solubility of chlorine, accelerate the organic efficiency of chlorine.
Device for absorbing tail gas simple structure of the present utility model, it is easy to use, can effectively process unreacted thoroughly
Chlorine is simultaneously recycled, and protects that environment and staff's is healthy, while production cost is reduced, with fine
Practicality.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (5)
1. device for absorbing tail gas, it is characterised in that：Including multiple by the end to end falling-film absorber of pipeline, positioned at first place
By arranging chlorine pipe coupled reaction kettle, the falling-film absorber positioned at last position connects alkali lye spray column to falling-film absorber by blower fan；
The falling-film absorber lower section is provided with the receiving tank for being corresponded with it and being communicated therewith, and the receiving tank passes through water pump
The top of the falling-film absorber is connected, for by the water circulation use in the receiving tank.
2. device for absorbing tail gas as claimed in claim 1, it is characterised in that：By pipeline connection between all of receiving tank,
The water pump is tetrafluoro pump.
3. device for absorbing tail gas as claimed in claim 2, it is characterised in that：Draining valve is equipped with receiving tank described in each
Door.
4. the device for absorbing tail gas as described in any one of claims 1 to 3, it is characterised in that：It is provided with the falling-film absorber
The horizontal baffle that multiple is sequentially arranged from top to bottom, is provided with some air-vents, two neighbouring baffle plates on the baffle plate
On air-vent between misplace arrangement.
5. the device for absorbing tail gas as described in any one of claims 1 to 3, it is characterised in that：Row's chlorine pipe and falling film absorption
Be coated with heating jacket on the junction of device, the top of the falling-film absorber is additionally provided with hot wind inlet, the hot wind inlet with
The air outlet of the falling-film absorber is located in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621202693.3U CN206229149U (en) | 2016-11-07 | 2016-11-07 | Device for absorbing tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621202693.3U CN206229149U (en) | 2016-11-07 | 2016-11-07 | Device for absorbing tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206229149U true CN206229149U (en) | 2017-06-09 |
Family
ID=58990841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621202693.3U Active CN206229149U (en) | 2016-11-07 | 2016-11-07 | Device for absorbing tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206229149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648996A (en) * | 2017-11-10 | 2018-02-02 | 大丰鑫源达化工有限公司 | Workshop chlorine tail gas multistage absorption device |
| CN107661683A (en) * | 2017-11-10 | 2018-02-06 | 大丰鑫源达化工有限公司 | Chlorine device for recovering tail gas in reactor |
-
2016
- 2016-11-07 CN CN201621202693.3U patent/CN206229149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648996A (en) * | 2017-11-10 | 2018-02-02 | 大丰鑫源达化工有限公司 | Workshop chlorine tail gas multistage absorption device |
| CN107661683A (en) * | 2017-11-10 | 2018-02-06 | 大丰鑫源达化工有限公司 | Chlorine device for recovering tail gas in reactor |
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