CN208177191U - A kind of absorption plant of the tail gas containing ammonia - Google Patents
A kind of absorption plant of the tail gas containing ammonia Download PDFInfo
- Publication number
- CN208177191U CN208177191U CN201820358349.6U CN201820358349U CN208177191U CN 208177191 U CN208177191 U CN 208177191U CN 201820358349 U CN201820358349 U CN 201820358349U CN 208177191 U CN208177191 U CN 208177191U
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- Prior art keywords
- tail gas
- ammonia
- liquid
- absorption tower
- absorption plant
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Abstract
The utility model provides a kind of absorption plant of tail gas containing ammonia, including ammonia absorption tower, liquid-spraying rod, hydrojet case and driving device, the bottom of ammonia absorption tower is provided with the first absorbing liquid, ammonia absorption tower includes the first end and second end being oppositely arranged, the first end of ammonia absorption tower is provided with offgas outlet, the side wall of ammonia absorption tower is provided with tail gas and enters device, and it includes tail gas case and air inlet pipe that tail gas, which enters device, and the part that air inlet pipe is located in ammonia absorption tower is provided with multiple first through hole；The part that liquid-spraying rod is located in ammonia absorption tower is provided with multiple second through-holes, liquid-spraying rod includes vertical bar, cross bar and multiple struts, one end of vertical bar is connected to hydrojet case, and the other end is connected to cross bar, and multiple struts are arranged at intervals at the one end of cross bar far from vertical bar and extend towards second end；Driving device is set to second end and for driving liquid-spraying rod to rotate, and structure is simple, easy to operate, ammonia absorption efficiency is high, can reduce the pollution to environment, at low cost.
Description
Technical field
The utility model belongs to chemical equipment technical field, specifically, being related to a kind of absorption dress of tail gas containing ammonia
It sets.
Background technique
Ammonia is raw materials for production particularly important in Chemical Manufacture, but its strong pungent smell for human health and
Atmospheric environment all can be damaged and be polluted, therefore, a large amount of industrial tail containing ammonia generated in order to avoid chemical industry
Gas is directly discharged into atmosphere and causes air pollution, needs to absorb the ammonia in industrial tail gas using certain method.
Ammonia, inorganic compound is gas under room temperature, and the smell of colourless irritant stench is soluble easily in water.The prior art
Middle absorption ammonia generally just uses water, and the reaction of ammonia in water may be expressed as: NH3+H2O=NH3·H2O, but a hydration ammonia is unstable
It is fixed to be thermally decomposed to generate ammonia and water, therefore light makes that absorbent absorptivity is not high, and general absorptivity is 60% or more of water；It is big simultaneously
The mode for mostly using absorption tower ejecting liquid, is dissolved in ammonia in the fog-like liquid of ejection, however since gas is in container
In flow regime, the droplet of ejection is difficult to fill with whole container, affects the dissolution and recycling of ammonia.
Therefore, the absorption plant for inventing a kind of tail gas containing ammonia for being able to solve the above problem becomes urgently to be resolved at present
The problem of.
Utility model content
For deficiency above-mentioned in the prior art, the utility model provides a kind of absorption plant of tail gas containing ammonia, knot
Structure is simple, easy to operate, ammonia absorption efficiency is high, can reduce the pollution to environment, at low cost.
In order to achieve the above object, the solution that the utility model uses is:
A kind of absorption plant of the tail gas containing ammonia, including ammonia absorption tower, liquid-spraying rod, hydrojet case and driving device, ammonia
The bottom of aspiration tower is provided with the first absorbing liquid, and ammonia absorption tower includes the first end and second end being oppositely arranged, and ammonia is inhaled
The first end for receiving tower is provided with offgas outlet, and the side wall of ammonia absorption tower is provided with tail gas close to one end of second end and enters dress
It sets, it includes tail gas case and air inlet pipe that tail gas, which enters device, and one end of air inlet pipe is connected to tail gas case, and the other end extends to ammonia suction
It receives in tower and is located in the first absorbing liquid, the part that air inlet pipe is located in ammonia absorption tower is provided with multiple first through hole；Hydrojet
The part that bar is located in ammonia absorption tower is provided with multiple second through-holes, and liquid-spraying rod includes vertical bar, cross bar and is connected to cross bar
One end of multiple struts, vertical bar is connected to hydrojet case, and the other end is connected to cross bar, and multiple struts are arranged at intervals at cross bar far from perpendicular
One end of bar simultaneously extends towards second end；Driving device is set to the second end of ammonia absorption tower and for driving liquid-spraying rod to rotate.
Further, in the utility model preferred embodiment, distance of the liquid level of the first absorbing liquid apart from second end is
First end to second end distance 1/5-2/5.
Further, in the utility model preferred embodiment, the first absorbing liquid is saturated sodium chloride solution.
Further, in the utility model preferred embodiment, vertical bar is close to one end of hydrojet case and air inlet pipe close to tail
One end of gas tank is provided with switch valve.
Further, in the utility model preferred embodiment, is additionally provided between more struts and the first absorbing liquid
One absorbed layer.
Further, in the utility model preferred embodiment, the second absorbed layer is additionally provided between cross bar and first end.
Further, in the utility model preferred embodiment, the first absorbed layer and the second absorbed layer are saturation chlorination
The sponge that sodium solution soaks.
Further, in the utility model preferred embodiment, every strut is provided with spray far from an end face of cross bar
Head.
Further, in the utility model preferred embodiment, driving device includes motor, and the transmission shaft of motor is equipped with
First gear, vertical bar are equipped with the second gear being meshed with first gear close to one end of hydrojet case.
Further, in the utility model preferred embodiment, the absorption plant of the tail gas containing ammonia further includes the second suction
The bottom of receiving apparatus, the second absorption plant is connected to by pipeline with offgas outlet, offers tail gas at the top of the second absorption plant
Outlet, the second absorption plant include respiratory box and the second absorbing liquid being set in respiratory box, and pipeline is located in respiratory box
Part offers multiple third through-holes.
The beneficial effect of the absorption plant of tail gas provided by the utility model containing ammonia is, the tail gas containing ammonia is from air inlet
Pipe enters ammonia absorption tower, first passes around the first absorbing liquid, carries out first time absorption to the tail gas containing ammonia；Then containing ammonia
Tail gas slowly enters the upper space of ammonia absorption tower from the first absorbing liquid out, and liquid-spraying rod is located at the part in ammonia absorption tower
Be provided with multiple second through-holes, liquid-spraying rod includes vertical bar, cross bar and the multiple struts being connected to cross bar, by vertical bar, cross bar and
The spray liquid of multiple struts enters ammonia absorption tower by the second through-hole, while driving liquid-spraying rod ceaselessly to revolve by driving device
Turn to make to be sprayed in the space of entire ammonia absorption tower from the spray liquid rotation that the second through-hole comes out thus with the tail gas containing ammonia
Adequately combine and absorb, the absorption efficiency of ammonia is greatly improved by the combination of the first absorbing liquid and liquid-spraying rod, it should
The absorption plant of tail gas containing ammonia, structure is simple, easy to operate, ammonia absorption efficiency is high, can reduce the pollution to environment, cost
It is low.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the absorption plant for the tail gas containing ammonia that the utility model first embodiment provides；
Fig. 2 is the structural schematic diagram of the absorption plant for the tail gas containing ammonia that the utility model second embodiment provides；
Fig. 3 is the structural schematic diagram of the absorption plant for the tail gas containing ammonia that the utility model 3rd embodiment provides.
Icon: the absorption plant of tail gas of the 100- containing ammonia；200- ammonia absorption tower；The first absorbing liquid of 210-；220-
One end；230- second end；240- tail gas enters device；241- tail gas case；242- air inlet pipe；243- first through hole；250- tail gas
Outlet；300- liquid-spraying rod；The second through-hole of 310-；320- vertical bar；321- second gear；330- cross bar；340- strut；341- spray
Head；400- hydrojet case；500- driving device；510- motor；520- transmission shaft；530- first gear；The first absorbed layer of 600-；
The second absorbed layer of 700-；800- switch valve；The second absorption plant of 900-；910- pipeline；920- tail gas outlet；930- absorbs
Case；The second absorbing liquid of 940-；950- third through-hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "lower", "inner", "outside"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second ", etc. be only used for distinguish description, be not understood to indicate or imply relatively important
Property.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
First embodiment
Fig. 1 is please referred to, the utility model first embodiment provides a kind of absorption plant 100 of tail gas containing ammonia, should
The absorption plant 100 of tail gas containing ammonia includes ammonia absorption tower 200, liquid-spraying rod 300, hydrojet case 400 and driving device 500,
Spray liquid is loaded in hydrojet case 400.
Wherein, the bottom of ammonia absorption tower 200 is provided with the first absorbing liquid 210, i.e. the bottom of ammonia absorption tower 200 is equipped with
First absorbing liquid 210.Preferably, in the present embodiment, the first absorbing liquid 210 is saturated sodium chloride solution, in order to be improved
The absorptivity of ammonia, because solubility ratio of the ammonia in saturated salt solution is high in water.
Ammonia absorption tower 200 includes the first end 220 and second end 230 being oppositely arranged, the first end of ammonia absorption tower 200
220 are provided with offgas outlet 250, in order to be that tail gas after absorbing ammonia is discharged ammonia by offgas outlet 250 and inhales
Tower 200 is received, the side wall of ammonia absorption tower 200 is provided with tail gas close to one end of second end 230 and enters device 240, it is therefore an objective to be
Make the tail gas containing ammonia enter device 240 by tail gas to be absorbed into ammonia absorption tower 200.
It includes tail gas case 241 and air inlet pipe 242 that tail gas, which enters device 240, and one end of air inlet pipe 242 and tail gas case 241 connect
Logical, the other end extends in ammonia absorption tower 200 and is located in the first absorbing liquid 210, and air inlet pipe 242 is located at ammonia absorption tower
Part in 200 is provided with multiple first through hole 243, in order to the tail gas containing ammonia be made to pass through the in air inlet pipe 242
One through-hole 243 enters the first absorbing liquid 210 and carries out first time absorption.In the present embodiment, first through hole 243 is along air inlet pipe 242
Circumferential setting.
Wherein, the too high rotation that will affect liquid-spraying rod 300 of the liquid level of the first absorbing liquid 210, the liquid level of the first absorbing liquid 210
It is too low, will affect the absorptivity for absorbing ammonia, it is preferred, therefore, that the liquid level of the first absorbing liquid 210 apart from second end 230 away from
From for the 1/5-2/5 with a distance from first end 220 to second end 230.
The part that liquid-spraying rod 300 is located in ammonia absorption tower 200 is provided with multiple second through-holes 310, wherein liquid-spraying rod
300 include vertical bar 320, cross bar 330 and the multiple struts 340 being connected to cross bar 330, i.e. vertical bar 320, cross bar 330 and multiple
Multiple second through-holes 310 are provided on bar 340, in order to facilitate spray liquid to enter ammonia from the second through-hole 310 and absorb
In tower 200, while vertical bar 320, cross bar 330 and multiple struts 340 are hollow lever.One end of vertical bar 320 and hydrojet case 400
Connection, the other end is connected to cross bar 330, and multiple struts 340 are arranged at intervals at the one end of cross bar 330 far from vertical bar 320 and towards the
Two ends 230 extend.In the present embodiment, circumferential direction of second through-hole 310 respectively along vertical bar 320, cross bar 330 and multiple struts 340 is set
It sets, in order to which the spray area and range for increasing spray liquid further increase the contact of spray liquid with the tail gas containing ammonia
Area improves the absorptivity of ammonia.
Driving device 500 is set to the second end 230 of ammonia absorption tower 200 and for driving liquid-spraying rod 300 to rotate.Specifically
, driving device 500 includes motor 510, and the transmission shaft 520 of motor 510 is equipped with first gear 530, and vertical bar 320 is close to hydrojet
One end of case 400 is equipped with the second gear 321 being meshed with first gear 530, drives first gear 530 by motor 510
Rotation, first gear 530 drive second gear 321 to rotate, and second gear 321 drives vertical bar 320 to rotate, i.e., entire liquid-spraying rod
300 start turning, and the spray liquid come out from hydrojet case 400 is logical by second on vertical bar 320, cross bar 330 and multiple struts 340
Hole 310 enters in ammonia absorption tower 200, and with the rotation of entire liquid-spraying rod 300, the spray liquid come out from the second through-hole 310 revolves
Turn to be sprayed in the space of entire ammonia absorption tower 200 to carry out adequately combining to absorb greatly mentioning with the tail gas containing ammonia
The high absorption efficiency of ammonia.
Wherein, the built-in spray liquid of hydrojet case 400 is saturated sodium chloride solution, in order to improve the absorption of ammonia
Rate.
It should be noted that cross bar 330 is mutually perpendicular to vertical bar 320 in the present embodiment, cross bar 330 and strut 340 are mutual
Vertically, but not limited to this, cross bar 330 and vertical bar 320, cross bar 330 and strut 340 can not also be mutually perpendicular to be in certain angle
Degree.
Preferably, in the present embodiment, strut 340 is 5, is arranged at intervals at the one end of cross bar 330 far from vertical bar 320, but
Without being limited thereto, strut 330 can also be 3,4 etc., can be configured according to the actual situation.
It should be noted that in the present embodiment, first through hole 243, the second through-hole 310 cross section be circle, but not
It is limited to this, can also be square, rectangle, ellipse etc..
Preferably, be additionally provided with the first absorbed layer 600 between more struts 340 and the first absorbing liquid 210, cross bar 330 with
The second absorbed layer 700 is additionally provided between first end 220, in order to further increase the absorption efficiency of ammonia, first inhales
It receives layer 600 and the second absorbed layer 700 is the sponge that saturated sodium chloride solution is soaked.
Wherein, vertical bar 320 is provided with air inlet pipe 242 close to one end of tail gas case 241 close to one end of hydrojet case 400
Switch valve 800.
In conclusion the absorption plant of the tail gas containing ammonia, absorbs wherein the tail gas containing ammonia enters ammonia from air inlet pipe
Tower first passes around the first absorbing liquid, carries out first time absorption to the tail gas containing ammonia；Then the tail gas containing ammonia is absorbed from first
Liquid slowly enters the upper space of ammonia absorption tower out, and the part that liquid-spraying rod is located in ammonia absorption tower is provided with multiple second
Through-hole, liquid-spraying rod include vertical bar, cross bar and the multiple struts being connected to cross bar, pass through the spray of vertical bar, cross bar and multiple struts
Liquid enters ammonia absorption tower by the second through-hole, while driving liquid-spraying rod ceaselessly to rotate by driving device to make from the second through-hole
Spray liquid out is sprayed in the space of entire ammonia absorption tower to adequately combine with the tail gas containing ammonia and absorb,
The absorption efficiency of ammonia is greatly improved by the combination of the first absorbing liquid and liquid-spraying rod, this contains the absorption dress of the tail gas of ammonia
It sets, structure is simple, easy to operate, ammonia absorption efficiency is high, can reduce the pollution to environment, at low cost.
Second embodiment
Referring to figure 2., the absorption plant of the tail gas containing ammonia provided Fig. 2 shows the utility model second embodiment
100, different from the first embodiment, this contains the absorption plant 100 of the tail gas of ammonia, and every strut 340 is far from cross bar 330
One end face is provided with spray head 341, in order to which the spraying range for increasing spray liquid further increases spray liquid and contains ammonia
Tail gas contact area, improve the absorptivity of ammonia.
3rd embodiment
Referring to figure 3., Fig. 3 shows the absorption plant of the tail gas containing ammonia of the utility model second embodiment offer
100, different from the first embodiment, which further includes the second absorption plant 900, the
The bottom of two absorption plants 900 is connected to by pipeline 910 with offgas outlet 250, and the top of the second absorption plant 900 offers tail
Gas outlet 920, the second absorption plant 900 include respiratory box 930 and the second absorbing liquid 940 being set in respiratory box 930, pipe
The part that road 910 is located in respiratory box 930 offers multiple third through-holes 950, and the outer wall of respiratory box 930 is provided with condensate layer.
Purpose is that the tail gas further come out to ammonia absorption tower 200 absorbs.Preferably, in the present embodiment, the second absorbing liquid 940
For saturated sodium chloride solution.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of absorption plant of the tail gas containing ammonia, it is characterised in that: including ammonia absorption tower, liquid-spraying rod, hydrojet case and drive
Dynamic device, the bottom of the ammonia absorption tower are provided with the first absorbing liquid, and the ammonia absorption tower includes first be oppositely arranged
End and second end, the first end of the ammonia absorption tower are provided with offgas outlet, and the side wall of the ammonia absorption tower is close to described
One end of second end is provided with tail gas and enters device, and it includes tail gas case and air inlet pipe, the air inlet pipe that the tail gas, which enters device,
One end be connected to the tail gas case, the other end extends in the ammonia absorption tower and is located in the first absorbing liquid, it is described into
The part that tracheae is located in the ammonia absorption tower is provided with multiple first through hole；The liquid-spraying rod is located at the ammonia absorption tower
Interior part is provided with multiple second through-holes, and the liquid-spraying rod includes vertical bar, cross bar and the multiple struts being connected to the cross bar,
One end of the vertical bar is connected to hydrojet case, and the other end is connected to the cross bar, and multiple struts are arranged at intervals at the cross
The one end of bar far from the vertical bar simultaneously extends towards the second end；The driving device is set to the second of the ammonia absorption tower
It holds and is used to that the liquid-spraying rod to be driven to rotate.
2. the absorption plant of the tail gas according to claim 1 containing ammonia, it is characterised in that: the liquid of first absorbing liquid
Identity distance is the 1/5-2/5 of the distance of first end to second end with a distance from second end.
3. the absorption plant of the tail gas according to claim 1 containing ammonia, it is characterised in that: first absorbing liquid is full
And sodium chloride solution.
4. the absorption plant of the tail gas according to claim 1 containing ammonia, it is characterised in that: the vertical bar is close to the spray
One end of liquid case is provided with switch valve close to one end of the tail gas case with the air inlet pipe.
5. the absorption plant of the tail gas according to claim 1 containing ammonia, it is characterised in that: the more struts with it is described
The first absorbed layer is additionally provided between first absorbing liquid.
6. the absorption plant of the tail gas according to claim 5 containing ammonia, it is characterised in that: the cross bar and described first
The second absorbed layer is additionally provided between end.
7. the absorption plant of the tail gas according to claim 6 containing ammonia, it is characterised in that: first absorbed layer and institute
Stating the second absorbed layer is the sponge that saturated sodium chloride solution is soaked.
8. the absorption plant of the tail gas according to claim 1 containing ammonia, it is characterised in that: the every strut is far from institute
The end face for stating cross bar is provided with spray head.
9. the absorption plant of the tail gas according to claim 1 containing ammonia, it is characterised in that: the driving device includes electricity
Machine, the transmission shaft of the motor are equipped with first gear, and the vertical bar is equipped with and described close to one end of the hydrojet case
The second gear that one gear is meshed.
10. the absorption plant of the tail gas according to claim 1 containing ammonia, it is characterised in that: the tail gas containing ammonia
Absorption plant further include the second absorption plant, the bottom of second absorption plant is connected by pipeline and the offgas outlet
It is logical, tail gas outlet is offered at the top of second absorption plant, second absorption plant includes respiratory box and is set to
The second absorbing liquid in the respiratory box, the part that the pipeline is located in the respiratory box offer multiple third through-holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358349.6U CN208177191U (en) | 2018-03-15 | 2018-03-15 | A kind of absorption plant of the tail gas containing ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820358349.6U CN208177191U (en) | 2018-03-15 | 2018-03-15 | A kind of absorption plant of the tail gas containing ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208177191U true CN208177191U (en) | 2018-12-04 |
Family
ID=64437642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820358349.6U Expired - Fee Related CN208177191U (en) | 2018-03-15 | 2018-03-15 | A kind of absorption plant of the tail gas containing ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208177191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110432A (en) * | 2021-11-15 | 2022-03-01 | 濮阳泓天威药业有限公司 | Liquid ammonia leakage pipeline control device |
| CN117298819A (en) * | 2023-11-02 | 2023-12-29 | 江西华飞医药科技有限公司 | Waste gas recovery device in cyclopropylamine production |
-
2018
- 2018-03-15 CN CN201820358349.6U patent/CN208177191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110432A (en) * | 2021-11-15 | 2022-03-01 | 濮阳泓天威药业有限公司 | Liquid ammonia leakage pipeline control device |
| CN117298819A (en) * | 2023-11-02 | 2023-12-29 | 江西华飞医药科技有限公司 | Waste gas recovery device in cyclopropylamine production |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20190315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |