CN209519590U - A kind of urea denitrification apparatus - Google Patents
A kind of urea denitrification apparatus Download PDFInfo
- Publication number
- CN209519590U CN209519590U CN201920172419.3U CN201920172419U CN209519590U CN 209519590 U CN209519590 U CN 209519590U CN 201920172419 U CN201920172419 U CN 201920172419U CN 209519590 U CN209519590 U CN 209519590U
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- CN
- China
- Prior art keywords
- pipe
- smoke exhaust
- exhaust pipe
- smoke
- urea
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000004202 carbamide Substances 0.000 title claims abstract description 60
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000000779 smoke Substances 0.000 claims abstract description 124
- 239000007921 spray Substances 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 abstract description 46
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 39
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000746 purification Methods 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
A kind of urea denitrification apparatus, including smoke-box, the first pipe is connected on the right side of the smoke-box, the upper end of first pipe is connected with the first urea liquid spray gun by inlet tube, the right end of first pipe is connected separately with the first smoke exhaust pipe, second smoke exhaust pipe, third smoke exhaust pipe, first smoke exhaust pipe, second smoke exhaust pipe, the upper end of third smoke exhaust pipe passes through inlet tube respectively and is connected with the second urea liquid spray gun, the lower end side of the smoke-box is connected with the second pipe, the upper end of second pipe is connected with third urea liquid spray gun by inlet tube, the right end of second pipe is connected with third pipe, first smoke exhaust pipe, second smoke exhaust pipe, the right end of third smoke exhaust pipe is respectively connected to the left end of third pipe, exhaust gas small gas is separated into this way to handle respectively, be conducive to improve nitrogen oxides The effect of purification.
Description
Technical field
The utility model relates to chemical field more particularly to urea denitration technology, especially a kind of urea denitrification apparatus.
Background technique
Denitrification apparatus is removed the nitrogen oxides particle dust fired in stove or oil burning boiler discharge exhaust gas, thus substantially
Degree reduces the flue dust nitrogen content being discharged into atmosphere, is to improve environmental pollution, improves the important environmental protection equipment of air quality.Urea
Denitrification apparatus is widely used in the industries such as metallurgy, power plant, building materials, is the important environmental protection equipment for handling flue gas.In the prior art, it urinates
Plain denitrification apparatus is in a tank body, and tank body disposably needs to handle a large amount of exhaust gas, and treatment effect is undesirable.
Utility model content
The purpose of this utility model is to provide a kind of urea denitrification apparatus, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of urea denitrification apparatus, including an appearance
Device, the container include a smoke-box, are connected with the first pipe on the right side of the smoke-box, first pipe it is upper
End is connected with the first urea liquid spray gun by inlet tube, the right end of first pipe be connected separately with the first smoke exhaust pipe,
Second smoke exhaust pipe, third smoke exhaust pipe, first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe upper end pass through feed liquor respectively
Pipe is connected with the second urea liquid spray gun, and the lower end side of the smoke-box is connected with the second pipe, second pipe
Upper end is connected with third urea liquid spray gun by inlet tube, and the right end of second pipe is connected with third pipe, institute
State the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe right end be respectively connected to the left end of third pipe, the third goes out
The right end of smoke pipe extends to the right and is connected with filter chamber, and filtering more than two is mounted equidistant in the inside of the filter chamber
The lower end of net, the filter chamber is connected with smoke outlet.
As advanced optimizing for the technical program, the spray head of the second urea liquid spray gun more than two distinguishes position
It is located at first in the spray head of the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe inner upper, the first urea liquid spray gun
Pipe inner upper, the spray head of the third urea liquid spray gun are located at the inner upper of the second pipe, so that the second urine
Plain solution spray gun is able to spray the exhaust gas in the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe, the first urea liquid
Spray gun is able to spray in the first pipe, and third urea liquid spray gun is able to spray in the second pipe.
As advanced optimizing for the technical program, first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe right end
It is connected with the left end of third pipe, so that the first smoke exhaust pipe, the second smoke exhaust pipe, the exhaust gas in third smoke exhaust pipe are able to
Into in third pipe.
As advanced optimizing for the technical program, second pipe is laterally arranged, and the second pipe is laterally arranged
It may make that the cigarette in third pipe is pushed up upwards, accelerate flowing, so that the exhaust gas in third pipe will not flow downward, institute
The L-shaped setting of third pipe is stated, the second pipe of cooperation so is laterally arranged, and the exhaust gas in filter chamber may make not flow back
Into third pipe.
As advanced optimizing for the technical program, the inside upper right side of the filter chamber is equipped with inclined plate, passes through inclined plate
Setting, certain guide functions are played to exhaust gas, are flowed downward after making exhaust gas contact to inclined plate.
As advanced optimizing for the technical program, the lower end left side of the smoke-box is arranged, and plays in this way to exhaust gas
Certain guide functions.
Compared with prior art, the utility model has the beneficial effects that exhaust gas a part in the utility model smoke-box is logical
It crosses the first pipe that right side connects to flow away into the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe respectively, and first
First urea liquid spray gun is installed in pipe, this portion is sprayed, reduces the nitrogen in this portion
Oxide, so that into the ammonia of exhaust gas and hydrolysis of urea generation in the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe
Mixing, ammonia is reacted with the nitrogen oxides generation in exhaust gas, and three groups of the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe rows
Exhaust gas of the smoke pipe respectively by the outflow of the first pipe shunts, so that into the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe
In exhausted air quantity it is few, improve the effect to nitrogen oxides treatment, utilize the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke exhaust pipe
Upper end pass through inlet tube respectively and be connected with the second urea liquid spray gun, come respectively to the first smoke exhaust pipe, the second smoke exhaust pipe, third
Exhaust gas in smoke exhaust pipe is handled, and the amount of nitrogen oxides in exhaust gas is reduced, and in the lower end side of smoke-box
It is connected with the second pipe, the exhaust gas of another part then enters third pipe from the second pipe, and passes through third
Enter third pipe after urea liquid spray gun spray, the exhaust gas of this part is handled, reduces amount of nitrogen oxides, by
In third pipe diameter less than the diameter of the first pipe, and the first pipe is located above third pipe, then the
Exhaust gas in three pipes also just less than the exhaust gas in the first pipe also allows for that reduction nitrogen can be played by once spraying
The effect of oxide content, by the second pipe, laterally setting may make that the cigarette in third pipe is pushed up upwards, accelerate stream
It is dynamic, so that the exhaust gas in third pipe will not flow downward, also allow for the first smoke exhaust pipe, the second smoke exhaust pipe, third smoke evacuation
Exhaust gas in pipe into third pipe is pushed up into filter chamber, passes through filter screen filtration more than two in filter chamber
After smoke outlet is discharged, exhaust gas is separated into small gas in this way and is handled respectively, be conducive to improve purification of nitrogen oxides effect.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the second urea liquid of the utility model spray gun partial structural diagram.
In figure: 1- smoke-box；The first pipe of 2-；The first smoke exhaust pipe of 3-；The second smoke exhaust pipe of 4-；5- third smoke exhaust pipe；6-
Two pipes；7- third pipe；The filter chamber 8-；9- inclined plate；10- filter screen；11- smoke outlet；The spray of the first urea liquid of 12-
Rifle；13- the second urea liquid spray gun；14- third urea liquid spray gun.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, unless otherwise indicated, term " on ", "lower", "left", "right", "front", "rear",
The orientation or state relation of the instructions such as " top ", " bottom " are orientation based on the figure or state relation, merely to just
In description the utility model and simplify description, rather than the certain party that the mechanism of indication or suggestion meaning or component must have
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of urea denitrification apparatus, including smoke-box 1, institute
The right side for stating smoke-box 1 is connected with the first pipe 2, and the upper end of first pipe 2 is connected with the first urea by inlet tube
Solution spray gun 12, the right end of first pipe 2 are connected separately with the first smoke exhaust pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe
5, first smoke exhaust pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe 5 upper end pass through inlet tube to be respectively connected with the second urea molten
Liquid spray gun 13, the lower end side of the smoke-box 1 are connected with the second pipe 6, and the upper end of second pipe 6 passes through inlet tube
It is connected with third urea liquid spray gun 14, the right end of second pipe 6 is connected with third pipe 7, first smoke evacuation
Pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe 5 right end be respectively connected to the left end of third pipe 7, the third pipe 7
Right end extend and be connected with filter chamber 8 to the right, filter screen more than two is mounted equidistant in the inside of the filter chamber 8
10, the lower end of the filter chamber 8 is connected with smoke outlet 11, the first urea liquid spray gun 12, the second urea liquid spray gun 13, third
One end of the inlet tube of urea liquid spray gun 14 is connected in external tank body, there is a large amount of urea liquid, the first urine in tank body
The model HBCY-FM ammonium hydroxide denitration spray of plain solution spray gun 12, the second urea liquid spray gun 13, third urea liquid spray gun 14
Rifle-urea liquid denitration spray gun.
Specifically, the spray head of the second urea liquid spray gun 13 more than two is located at the first smoke exhaust pipe 3, second
The spray head of smoke exhaust pipe 4,5 inner upper of third smoke exhaust pipe, the first urea liquid spray gun 12 is located on 2 inside of the first pipe
Side, the spray head of the third urea liquid spray gun 14 is located at the inner upper of the second pipe 6, so that the second urea liquid spray gun
13 are able to spray the exhaust gas in the first smoke exhaust pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe 5, the first urea liquid spray gun
12 are able to spray in the first pipe 2, and third urea liquid spray gun 14 is able to spray in the second pipe 6.
Specifically, a left side for the right end of first smoke exhaust pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe 5 and third pipe 7
End is connected, so that the first smoke exhaust pipe 3, the second smoke exhaust pipe 4, the exhaust gas in third smoke exhaust pipe 5 get enter into third smoke
In pipe 7, the first smoke exhaust pipe 3, the second smoke exhaust pipe 4,5 structure of third smoke exhaust pipe are identical.
Specifically, the laterally setting of the second pipe 6, laterally setting may make in third pipe 7 the second pipe 6
Cigarette pushed up upwards, accelerate flowing, so that the exhaust gas in third pipe 7 will not flow downward, the third pipe 7 is in L
Type setting, the so laterally setting of the second pipe of cooperation 6, may make the exhaust gas in filter chamber 8 not to be back to third pipe 7
In.
Specifically, the inside upper right side of the filter chamber 8, which is equipped with inclined plate 9, plays one to exhaust gas by the setting of inclined plate 9
Fixed guide functions flow downward after making exhaust gas contact to inclined plate 9.
Specifically, the lower end left side of the smoke-box 1 is arranged, certain guide functions are played to exhaust gas in this way.
Specifically, in use, the first pipe 2 for being connected by right side of exhaust gas a part in smoke-box 1 is respectively to first
Smoke exhaust pipe 3, the second smoke exhaust pipe 4 flow away in third smoke exhaust pipe 5, and the spray of the first urea liquid is equipped in the first pipe 2
Rifle 12 sprays this portion, reduces the nitrogen oxides in this portion, so that enters the first smoke evacuation
Pipe 3, the second smoke exhaust pipe 4, the exhaust gas in third smoke exhaust pipe 5 are mixed with the ammonia that hydrolysis of urea generates, the nitrogen oxidation in ammonia and exhaust gas
Object generates reaction, and 5 three groups of the first smoke exhaust pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe smoke exhaust pipes are respectively by the first pipe 2
The exhaust gas of outflow shunts, so that it is into the exhausted air quantity in the first smoke exhaust pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe 5 few, it improves
To the effect of nitrogen oxides treatment, the upper end using the first smoke exhaust pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe 5 passes through respectively
Inlet tube is connected with the second urea liquid spray gun 13, comes respectively in the first smoke exhaust pipe 3, the second smoke exhaust pipe 4, third smoke exhaust pipe 5
Exhaust gas handled, reduce the amount of nitrogen oxides in exhaust gas, and be connected in the lower end side of smoke-box 1
Two pipes 6, the exhaust gas of another part then enter third pipe 7 from the second pipe 6, and molten by third urea
Liquid spray gun 14 enters third pipe 7 after spraying, and handles the exhaust gas of this part, reduces amount of nitrogen oxides, due to
The diameter of third pipe 7 is less than the diameter of the first pipe 2, and the first pipe 2 is located at the top of third pipe 7, then
Exhaust gas in third pipe 7 also allows for subtracting by once spraying to play also just less than the exhaust gas in the first pipe 2
The effect of few amount of nitrogen oxides, by the second pipe 6, laterally setting may make that the cigarette in third pipe 7 is pushed up upwards,
Accelerate flowing so that the exhaust gas in third pipe 7 will not flow downward, also allow for the first smoke exhaust pipe 3, the second smoke exhaust pipe 4,
Exhaust gas in third smoke exhaust pipe 5 into third pipe 7 is pushed up into filter chamber 8, by more than two in filter chamber 8
Filter screen 10 filter after be discharged smoke outlet 11, in this way by exhaust gas be separated into small gas be conducive to improve purification of nitrogen oxides effect
Fruit.
It should be noted that the tank body of inlet tube external connection is the state of the art in specification, do not do herein
Excessive explanation, does not also embody in the attached drawing of this case.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of urea denitrification apparatus, including a container, the container includes a smoke-box (1), it is characterised in that: institute
It states and is connected on the right side of smoke-box (1) the first pipe (2), the upper end of first pipe (2) is connected with by inlet tube
The right end of one urea liquid spray gun (12), first pipe (2) is connected separately with the first smoke exhaust pipe (3), the second smoke exhaust pipe
(4), third smoke exhaust pipe (5), first smoke exhaust pipe (3), the second smoke exhaust pipe (4), third smoke exhaust pipe (5) upper end pass through respectively
Inlet tube is connected with the second urea liquid spray gun (13), and the lower end side of the smoke-box (1) is connected with the second pipe (6), institute
The upper end for stating the second pipe (6) is connected with third urea liquid spray gun (14) by inlet tube, second pipe (6)
Right end is connected with third pipe (7), first smoke exhaust pipe (3), the second smoke exhaust pipe (4), third smoke exhaust pipe (5) right end point
It is not connected to the left end of third pipe (7), the right end of the third pipe (7) extends to the right and is connected with filter chamber
(8), the inside of the filter chamber (8) is mounted equidistant filter screen more than two (10), the lower end connection of the filter chamber (8)
There are smoke outlet (11).
2. a kind of urea denitrification apparatus according to claim 1, it is characterised in that: second urea more than two is molten
The spray head of liquid spray gun (13) is located at the first smoke exhaust pipe (3), the second smoke exhaust pipe (4), third smoke exhaust pipe (5) inner upper, institute
The spray head for stating the first urea liquid spray gun (12) is located at the first pipe (2) inner upper, the third urea liquid spray gun
(14) spray head is located at the inner upper of the second pipe (6).
3. a kind of urea denitrification apparatus according to claim 1, it is characterised in that: first smoke exhaust pipe (3), second row
Smoke pipe (4), third smoke exhaust pipe (5) right end be connected with the left end of third pipe (7).
4. a kind of urea denitrification apparatus according to claim 1, it is characterised in that: second pipe (6) laterally sets
It sets, the L-shaped setting of the third pipe (7).
5. a kind of urea denitrification apparatus according to claim 1, it is characterised in that: the inside upper right of the filter chamber (8)
End is equipped with inclined plate (9).
6. a kind of urea denitrification apparatus according to claim 1, it is characterised in that: incline on the left of the lower end of the smoke-box (1)
Tiltedly setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920172419.3U CN209519590U (en) | 2019-01-31 | 2019-01-31 | A kind of urea denitrification apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920172419.3U CN209519590U (en) | 2019-01-31 | 2019-01-31 | A kind of urea denitrification apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209519590U true CN209519590U (en) | 2019-10-22 |
Family
ID=68230120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920172419.3U Expired - Fee Related CN209519590U (en) | 2019-01-31 | 2019-01-31 | A kind of urea denitrification apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209519590U (en) |
-
2019
- 2019-01-31 CN CN201920172419.3U patent/CN209519590U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |