CN205019746U - Aqueous ammonia evaporimeter - Google Patents
Aqueous ammonia evaporimeter Download PDFInfo
- Publication number
- CN205019746U CN205019746U CN201520774575.9U CN201520774575U CN205019746U CN 205019746 U CN205019746 U CN 205019746U CN 201520774575 U CN201520774575 U CN 201520774575U CN 205019746 U CN205019746 U CN 205019746U
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- China
- Prior art keywords
- evaporimeter
- evaporator body
- shower
- ammoniacal liquor
- gas outlet
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Abstract
The utility model provides an aqueous ammonia evaporimeter, including the evaporimeter body, spray set and vortex device, evaporimeter body top is equipped with a wind import, the bottom is equipped with the gas outlet, spray set includes the shower that passes the evaporimeter body and sets up at these internal a plurality of nozzles that feed through with the shower of evaporimeter, the setting is equipped with aqueous ammonia pipe and atomizing air pipe with the shower intercommunication on this external shower of evaporimeter, the vortex device sets up in this internal gas outlet department of being close to of evaporimeter, the vortex device includes vortex base member that suits with the evaporimeter body and a plurality of spoilers that set up along vortex base member inner wall from the top down, two adjacent opposite settings of spoiler orientation, it punctures the turn -ups all to be equipped with on every spoiler, it is the same to puncture the spoiler orientation of turn -ups orientation with corresponding. The utility model discloses, can make the aqueous ammonia evaporate ammonia and a more abundant mix of wind -heat gas that, accord with the requirement of ammonia air mixing proportion in the denitration technology, the denitration efficiency height, economic nature is good.
Description
Technical field
The utility model belongs to a kind of denitrating flue gas reducing agent producing device field, especially relates to a kind of ammoniacal liquor evaporimeter.
Background technology
The Continued of the haze weather serious on a large scale along with domestic appearance and PM2.5 fine dust, the improvement of atmosphere pollution has been arrived very urgent, and has risen to the politics height of State-level.Nitrogen oxide (NOX) becomes one of atmosphere pollution main after SO2.Power plant is atmosphere pollution rich and influential family, current power plant mainly adopts SCR technology (SCR) to NOX, namely ammonia (reducing agent) (300 DEG C-400 DEG C) NOX selectively and in flue gas under the effect of catalyst is utilized to react, generate nitrogen (N2) and the water (H2O) of non-secondary pollution, reach the object of denitration environmental protection.Current domestic denitrating flue gas reducing agent mainly adopts liquefied ammonia, ammoniacal liquor, urea.Along with denitrification reducing agent store, preparation and the development of provisioning technique, the selection of denitrification reducing agent is mainly considered from safety and economy angle.Because the use and permission certificate of business that obtain liquefied ammonia from local administrative department are more and more difficult, safety precaution requires more and more tighter, and corresponding safety cost is increasing, therefore, in the power plant of big city periphery, ammoniacal liquor and urea use as denitrification reducing agent just more and more.Select ammoniacal liquor as reducing agent, have that security is high, technological design is simple, floor space is little, investment and operating cost low, environmental impact assessment is easily passed through, be easy to the advantages such as transport and storage, along with the continuous maturation of technology, ammoniacal liquor will be more and more extensive in the application in denitration field.Common ammoniacal liquor vaporising device, in order to reduce operating cost, the entrance hot-air of vaporising device can adopt the First air of boiler to replace, thus avoids the use of the contour energy consumption equipment of electric heater.Due to boiler primary air flow with boiler load change greatly and from the impact connecting elbow on vaporising device inlet duct, will cause like this and enter vaporising device interior flow field and change, Flow and heat flux inequality, ammoniacal liquor evaporation is there is not exclusively in actual motion, the unmanageable problem of injection flow, the ammonia evaporated in addition is uneven with mixing of air, and this will have a strong impact on the efficiency of denitration.
Summary of the invention
In view of this, the utility model is intended to propose a kind of ammoniacal liquor evaporimeter, result is simple, easy to operate, adapt to the Flow Field Distribution of boiler different load, ensure that the field distribution of evaporator body internal temperature is even, air-flow can fully mix with ammonia spirit and evaporate completely, thus realizes the accurate control to producing ammonia.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of ammoniacal liquor evaporimeter, comprise evaporator body 1, spray equipment 2 and disturbing flow device 3, described evaporator body 1 top is provided with First air import 11, bottom is provided with gas outlet 12, described spray equipment 2 comprise through evaporator body 1 shower 21 be arranged on the multiple nozzles 22 be communicated with shower 21 in evaporator body 1, the shower 21 be arranged on outside evaporator body 1 is provided with the ammonia water pipe 4 and compressed air hose 5 that are communicated with shower 21, described disturbing flow device 3 is arranged in evaporator body 1 near gas outlet 12 place, described disturbing flow device 3 comprises the flow-disturbing matrix 31 adapted with evaporator body 1 and the multiple spoilers 32 arranged from top to bottom along flow-disturbing matrix 31 inwall, two adjacent spoiler 32 settings towards the opposite, described each spoiler 32 is equipped with and punctures flange 33, described puncture flange 33 towards with corresponding spoiler 32 towards identical.
Further, air inlet transition 6 is provided with between described First air import 11 and evaporator body 1.
Further, gas outlet transition 7 is provided with between described evaporator body 1 and gas outlet 12.
Further, described nozzle 22 is gas-liquid two-phase atomizers.
Further, described ammonia water pipe 4 and compressed air hose 5 are equipped with proportioning valve 8.
Further, described each puncturing on flange 33 is equipped with through hole 331.
Relative to prior art, a kind of ammoniacal liquor evaporimeter described in the utility model has following advantage:
A kind of ammoniacal liquor evaporimeter described in the utility model, the setting of disturbing flow device, the ammonia that ammoniacal liquor can be made to evaporate mixes more fully with First air hot gas, make to meet ammonia/air mixture ratio in power plant's denitrating technique and be generally the requirement of 3-5% (V/V), power plant's denitration efficiency is high, save ammonia usage, good economy performance.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of ammoniacal liquor evaporation structure schematic diagram described in the utility model embodiment;
Fig. 2 is disturbing flow device structural representation in a kind of ammoniacal liquor evaporimeter described in the utility model embodiment.
Description of reference numerals:
1-evaporator body, the import of 11-First air, 12-gas outlet, 2-spray equipment, 21-shower, 22-nozzle, 3-disturbing flow device, 31-flow-disturbing matrix, 32-spoiler, 33-punctures flange, 331-through hole, 4-ammonia water pipe, 5-compressed air hose, 6-air inlet transition, 7-gas outlet transition, 8-proportioning valve.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As Figure 1-Figure 2, a kind of ammoniacal liquor evaporimeter, comprise evaporator body 1, spray equipment 2 and disturbing flow device 3, described evaporator body 1 top is provided with First air import 11, bottom is provided with gas outlet 12, described spray equipment 2 comprise through evaporator body 1 shower 21 be arranged on the multiple nozzles 22 be communicated with shower 21 in evaporator body 1, the shower 21 be arranged on outside evaporator body 1 is provided with the ammonia water pipe 4 and compressed air hose 5 that are communicated with shower 21, described disturbing flow device 3 is arranged in evaporator body 1 near gas outlet 12 place, described disturbing flow device 3 comprises the flow-disturbing matrix 31 adapted with evaporator body 1 and the multiple spoilers 32 arranged from top to bottom along flow-disturbing matrix 31 inwall, two adjacent spoiler 32 settings towards the opposite, described each spoiler 32 is equipped with and punctures flange 33, described puncture flange 33 towards with corresponding spoiler 32 towards identical.
Air inlet transition 6 is provided with between First air import 11 and evaporator body 1.
Gas outlet transition 7 is provided with between evaporator body 1 and gas outlet 12.
Nozzle 22 is gas-liquid two-phase atomizers.
Ammonia water pipe 4 and compressed air hose 5 are equipped with proportioning valve 8.
Each puncturing on flange 33 is equipped with through hole 331.
The course of work of this evaporimeter is: first pass into First air hot gas from First air import 11, then the atomized ammonia ejected by nozzle 22 drops in when running into First air hot gas and is become ammonia by heating evaporation instantaneously, now become the mist of ammonia and First air hot gas, mist continues descending in evaporator body 1, enter into the disturbing flow device 3 be arranged in evaporator body 1, owing to striking spoiler 32 punctures flange 33, mist is forced to pass through from the side puncturing flange 33 and the through hole 331 puncturing flange 33, by the spoiler 32 towards the opposite that successively arranges and spoiler 32 puncture flange 33, obvious disturbance mist, make mixed effect between First air hot gas and ammonia better, make to meet ammonia/air mixture ratio in power plant's denitrating technique and be generally the requirement of 3-5% (V/V), power plant's denitration efficiency is high.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. an ammoniacal liquor evaporimeter, it is characterized in that: comprise evaporator body (1), spray equipment (2) and disturbing flow device (3), described evaporator body (1) top is provided with First air import (11), bottom is provided with gas outlet (12), described spray equipment (2) comprise through evaporator body (1) shower (21) be arranged in evaporator body (1) the multiple nozzles (22) be communicated with shower (21), be arranged on evaporator body (1) shower outward (21) and be provided with the ammonia water pipe (4) and compressed air hose (5) that are communicated with shower (21), described disturbing flow device (3) is arranged in evaporator body (1) near gas outlet (12) place, described disturbing flow device (3) comprises the flow-disturbing matrix (31) adapted with evaporator body (1) and the multiple spoilers (32) arranged from top to bottom along flow-disturbing matrix (31) inwall, adjacent two spoilers (32) setting towards the opposite, described each spoiler (32) is equipped with and punctures flange (33), described puncture flange (33) towards with corresponding spoiler (32) towards identical.
2. a kind of ammoniacal liquor evaporimeter according to claim 1, is characterized in that: be provided with air inlet transition (6) between described First air import (11) and evaporator body (1).
3. a kind of ammoniacal liquor evaporimeter according to claim 1, is characterized in that: be provided with gas outlet transition (7) between described evaporator body (1) and gas outlet (12).
4. a kind of ammoniacal liquor evaporimeter according to claim 1, is characterized in that: described nozzle (22) is gas-liquid two-phase atomizer.
5. a kind of ammoniacal liquor evaporimeter according to claim 1, is characterized in that: described ammonia water pipe (4) and compressed air hose (5) are equipped with proportioning valve (8).
6. a kind of ammoniacal liquor evaporimeter according to claim 1, is characterized in that: described each puncturing on flange (33) is equipped with through hole (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520774575.9U CN205019746U (en) | 2015-10-08 | 2015-10-08 | Aqueous ammonia evaporimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520774575.9U CN205019746U (en) | 2015-10-08 | 2015-10-08 | Aqueous ammonia evaporimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205019746U true CN205019746U (en) | 2016-02-10 |
Family
ID=55252314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520774575.9U Expired - Fee Related CN205019746U (en) | 2015-10-08 | 2015-10-08 | Aqueous ammonia evaporimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205019746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883853A (en) * | 2016-06-28 | 2016-08-24 | 盐城工学院 | Method for preparing ammonia with urea |
-
2015
- 2015-10-08 CN CN201520774575.9U patent/CN205019746U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883853A (en) * | 2016-06-28 | 2016-08-24 | 盐城工学院 | Method for preparing ammonia with urea |
| CN105883853B (en) * | 2016-06-28 | 2019-01-04 | 盐城工学院 | A kind of method that urea prepares ammonia |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20211008 |