CN214389558U - Ammonia water evaporation device for flue gas denitration - Google Patents
Ammonia water evaporation device for flue gas denitration Download PDFInfo
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- CN214389558U CN214389558U CN202022798389.2U CN202022798389U CN214389558U CN 214389558 U CN214389558 U CN 214389558U CN 202022798389 U CN202022798389 U CN 202022798389U CN 214389558 U CN214389558 U CN 214389558U
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Abstract
The utility model discloses an aqueous ammonia evaporation plant for flue gas denitration relates to ammonia preparation technical field, for solving the comparatively single problem of current aqueous ammonia evaporation plant functionality. Evaporation plant's upper end is provided with the ammonia exit tube, evaporation plant's inside fixed mounting has the water-collecting tray, the lower extreme of water-collecting tray is annular array and has seted up a plurality of atomizer, the inside intermediate position department of evaporation plant is provided with first mounting panel and second mounting panel respectively, and the second mounting panel is located the below of first mounting panel, evaporation plant's bottom is provided with the ammonia chamber, one side of evaporation plant is provided with steam generator, steam generator's one end is sealed to be fixed with steam and is responsible for, and the other end that steam was responsible for passes the inside that evaporation plant extended to the ammonia chamber, ammonia concentration test probe is installed to the below of evaporation plant one side.
Description
Technical Field
The utility model relates to an ammonia preparation technical field specifically is an aqueous ammonia evaporation plant for flue gas denitration.
Background
In the field of flue gas denitration in the environmental protection industry, ammonia is mainly used as a reducing agent, and ammonia is toxic, harmful, flammable and explosive, so that the problem of great potential safety hazard exists when ammonia is prepared by evaporating liquid ammonia, and the problem of overlarge energy consumption exists when ammonia is prepared by decomposing urea, so that the ammonia is prepared by evaporating ammonia in sintering flue gas in many coking plants and steel enterprises, the concentration of the ammonia is usually about 20%, the ammonia is easy to obtain in the market, and the ammonia evaporation process is generally adopted at present.
However, the existing ammonia water evaporation device is single in functionality, poor in evaporation effect on the ammonia water on the one hand, and incapable of quickly evaporating the ammonia water on the other hand, so that the existing requirements are not met, and the ammonia water evaporation device for flue gas denitration is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aqueous ammonia evaporation plant for flue gas denitration to solve the comparatively single problem of aqueous ammonia evaporation plant functionality that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an aqueous ammonia evaporation plant for flue gas denitration, includes evaporation plant, evaporation plant's upper end is provided with the ammonia exit tube, evaporation plant's inside fixed mounting has the water-collecting tray, the lower extreme of water-collecting tray is annular array and has seted up a plurality of atomizer, the inside intermediate position department of evaporation plant is provided with first mounting panel and second mounting panel respectively, and the second mounting panel is located the below of first mounting panel, evaporation plant's bottom is provided with the ammonia chamber, one side of evaporation plant is provided with steam generator, steam generator's one end is sealed to be fixed with steam and is responsible for, and the other end that steam was responsible for passes evaporation plant and extends to the inside in ammonia chamber, ammonia concentration test probe is installed to the below of evaporation plant one side.
Preferably, the intermediate position department of water-collecting tray upper end is provided with the aqueous ammonia and advances the pipe, and the aqueous ammonia advances the outside that the one end of pipe extends to evaporation plant, the intermediate position department that the steam was responsible for is provided with the steam branch pipe, and the one end of steam branch pipe extends to evaporation plant's inside, the steam branch pipe is located the inside one end of evaporation plant and is located the top in aqueous ammonia chamber, steam is responsible for and all installs steam nozzle with the inside one end that the steam branch pipe is located evaporation plant, and seven are installed to steam nozzle.
Preferably, one end of the main steam pipe is fixedly provided with a one-way valve, and the other end of the main steam pipe is fixedly provided with an air pump.
Preferably, the inside of first mounting panel and second mounting panel all is provided with netted wire, and the mesh number of netted wire in the first mounting panel is less than the mesh number of netted wire in the second mounting panel.
Preferably, steam generator's inside is provided with the water storage chamber, the combustor is installed to the below in water storage chamber, steam generator's top is provided with the wet return, and the one end of wet return passes the inside that evaporation plant extended to the aqueous ammonia chamber, the intermediate position department fixed mounting of wet return has the water pump.
Preferably, the heating rod is installed to the inner wall of ammonia exit tube, and the heating rod passes through the bolt fastening with the ammonia exit tube.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an adopt spray and immerse the mode that combines together and carry out evaporation treatment to the aqueous ammonia, through opening the combustor, heat the water of water storage intracavity portion, the high temperature steam that produces after the boiling is sent into evaporation plant inside through steam main pipe and steam branch pipe under the pressurization of air pump, the aqueous ammonia enters the pipe through the aqueous ammonia and gets into to the water-collecting tray at this moment, and spray vaporific aqueous ammonia through atomizer below, steam nozzle on the steam branch pipe sprays high temperature steam upwards, can take place to fuse rapidly when atomizing aqueous ammonia contacts with high temperature steam, thereby make the ammonia evaporate by being heated rapidly, with the continuous entering of aqueous ammonia, form in the aqueous ammonia chamber and pile up, steam nozzle on the steam main pipe can spray high temperature steam inside the aqueous ammonia, produce a large amount of bubbles, heat up when melting with the aqueous ammonia, further evaporate the aqueous ammonia, through this kind of mode, the mode that evaporation and immersion evaporation are carried out synchronously is sprayed, so that the evaporation speed is improved on the premise of ensuring the evaporation effect of the ammonia water.
2. The utility model discloses an install first mounting panel and second mounting panel respectively between steam branch pipe and water catch bowl, its inside netted metal wire that is provided with the mesh difference respectively, netted metal wire can let the even distribution of atomizing aqueous ammonia in the surface, self heat conductivity is higher simultaneously, cooperation high temperature steam evaporates the aqueous ammonia fast, produce the ammonia, the mesh of the netted metal wire of second mounting panel is greater than the netted metal wire of first mounting panel simultaneously, the fall time of water droplet can be slowed down, thereby heat exchange efficiency is improved.
3. The utility model discloses an install ammonia concentration test probe in one side of evaporation plant bottom, ammonia concentration test probe can carry out the detection of ammonia content to the water of ammonia intracavity portion, when ammonia content is less than ammonia concentration test probe setting value, show that the aqueous ammonia evaporation is accomplished, the surplus is usable water, through opening the water pump, carry the water storage chamber to steam generator in through the wet return, participate in the preparation steam flow, and still keep higher temperature in the water this moment, the combustor can realize the boiling to it fast, on the one hand, water consumption has been reduced, on the other hand has improved high temperature steam's preparation speed.
4. The utility model discloses an install the heating rod at the inner wall of ammonia exit tube, for avoiding condensing of ammonia in transportation process temperature drop production, through opening the heating rod, turn into heat energy with the electric energy, make the ammonia exit tube inside keep at certain heat to ensure that the ammonia carries to clarification plant smoothly with the gaseous state.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall side view of the present invention;
fig. 3 is a bottom view of the water collecting tray of the present invention;
fig. 4 is a perspective exploded view of the mounting plate of the present invention.
In the figure: 1. an evaporation device; 2. a steam generator; 3. an ammonia gas outlet pipe; 4. ammonia water inlet pipe; 5. a burner; 6. a water storage cavity; 7. a main steam pipe; 8. a steam branch pipe; 9. an air pump; 10. a one-way valve; 11. a steam nozzle; 12. a first mounting plate; 13. a second mounting plate; 14. a water collection tray; 15. an atomizing spray head; 16. a water return pipe; 17. an ammonia gas concentration detection probe; 18. a heating rod; 19. a mesh wire; 20. an ammonia cavity; 21. and (4) a water pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an aqueous ammonia evaporation plant for flue gas denitration, including evaporation plant 1, evaporation plant 1's upper end is provided with ammonia exit tube 3, evaporation plant 1's inside fixed mounting has water-collecting tray 14, water-collecting tray 14's lower extreme is a plurality of atomizer 15 that have seted up of annular array, evaporation plant 1 inside intermediate position department is provided with first mounting panel 12 and second mounting panel 13 respectively, and second mounting panel 13 is located the below of first mounting panel 12, evaporation plant 1's bottom is provided with ammonia chamber 20, one side of evaporation plant 1 is provided with steam generator 2, steam generator 2's one end is sealed to be fixed with steam and is responsible for 7, and steam is responsible for the other end and passes evaporation plant 1 and extends to the inside in ammonia chamber 20, ammonia concentration test probe 17 is installed to the below of evaporation plant 1 one side.
Further, the intermediate position department of the upper end of water-collecting tray 14 is provided with aqueous ammonia and advances pipe 4, and the aqueous ammonia advances the outside that pipe 4's one end extends to evaporation plant 1, the intermediate position department that steam was responsible for 7 is provided with steam branch pipe 8, and the one end of steam branch pipe 8 extends to evaporation plant 1's inside, steam branch pipe 8 is located the inside one end of evaporation plant 1 and is located the top in aqueous ammonia chamber 20, steam nozzle 11 is all installed with steam branch pipe 8 to the steam is responsible for 7 and the one end that steam branch pipe 8 is located evaporation plant 1 inside, and steam nozzle 11 installs seven, the aqueous ammonia advances pipe 4 through the aqueous ammonia and gets into to water-collecting tray 14, and spray vaporific aqueous ammonia through atomizer 15 below, steam nozzle 11 on the steam branch pipe 8 sprays high temperature steam upwards, can take place rapidly when atomizing aqueous ammonia and the high temperature steam contact and fuse, thereby make the ammonia evaporate by heating rapidly.
Further, the one end fixed mounting of steam main pipe 7 has check valve 10, and the other end fixed mounting of steam main pipe 7 has air pump 9, and steam nozzle 11 on the steam main pipe 7 can spray high-temperature steam in the aqueous ammonia is inside, produces a large amount of bubbles, heats up when melting with the aqueous ammonia, further evaporates the aqueous ammonia.
Further, the inside of first mounting panel 12 and second mounting panel 13 all is provided with netted wire 19, and the mesh number of netted wire 19 in first mounting panel 12 is less than the mesh number of netted wire 19 in second mounting panel 13, and netted wire 19 can let the even distribution in surface of atomizing aqueous ammonia, and self heat conductivity is higher simultaneously, and the cooperation high temperature steam evaporates the aqueous ammonia fast.
Further, steam generator 2's inside is provided with water storage chamber 6, and combustor 5 is installed to the below in water storage chamber 6, and steam generator 2's top is provided with wet return 16, and wet return 16's one end passes evaporation plant 1 and extends to the inside in ammonia chamber 20, and wet return 16's intermediate position department fixed mounting has water pump 21, has reduced the water consumption on the one hand, and on the other hand has improved high temperature steam's preparation rate.
Further, heating rod 18 is installed to the inner wall of ammonia exit tube 3, and heating rod 18 passes through the bolt fastening with ammonia exit tube 3, has avoided the ammonia to condense that the temperature drops the production in transportation process.
The working principle is as follows: when the device is used, the burner 5 is started, the water inside the water storage cavity 6 is heated, high-temperature steam generated after boiling is sent into the evaporation device 1 through the steam main pipe 7 and the steam branch pipe 8 under the pressurization of the air pump 9, at the moment, ammonia water enters the water collecting tray 14 through the ammonia water inlet pipe 4, and atomized ammonia water is sprayed downwards through the atomizing nozzle 15, the steam nozzle 11 on the steam branch pipe 8 sprays high-temperature steam upwards, the atomized ammonia water can be rapidly fused when being contacted with the high-temperature steam, so that the ammonia gas is rapidly heated and evaporated, the ammonia water enters continuously and is accumulated in the ammonia water cavity 20, the steam nozzle 11 on the steam main pipe 7 can spray high-temperature steam inside the ammonia water, a large amount of bubbles are generated, the temperature is raised while the ammonia water is blended, the ammonia water is further evaporated, and the middle reticular metal wire 19 can enable the atomized ammonia water to be uniformly distributed on the surface, meanwhile, the self heat conduction performance is higher, the ammonia water is quickly evaporated by matching with high-temperature steam, ammonia gas is generated, meanwhile, the mesh number of the mesh-shaped metal wires 19 of the second mounting plate 13 is larger than that of the mesh-shaped metal wires 19 of the first mounting plate 12, the falling time of water drops can be reduced, the heat exchange efficiency is improved, an ammonia gas concentration detection probe 17 is installed on one side of the bottom of the evaporation device 1, the ammonia gas concentration detection probe 17 can detect the ammonia content of the water body in the ammonia water cavity 20, when the ammonia content is lower than the set value of the ammonia gas concentration detection probe 17, the ammonia water evaporation is finished, the water body is remained as an available water body, the water body is conveyed to the water storage cavity 6 in the steam generator 2 through the water return pipe 16 by starting the water pump 21, the steam preparation flow is participated, the temperature in the water body is still kept higher, and the combustor can quickly realize boiling to the water body.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an aqueous ammonia evaporation plant for flue gas denitration, includes evaporation plant (1), its characterized in that: an ammonia gas outlet pipe (3) is arranged at the upper end of the evaporation device (1), a water collecting tray (14) is fixedly arranged inside the evaporation device (1), the lower end of the water collecting tray (14) is provided with a plurality of atomizing nozzles (15) in an annular array, a first mounting plate (12) and a second mounting plate (13) are respectively arranged at the middle position in the evaporation device (1), the second mounting plate (13) is positioned below the first mounting plate (12), the bottom of the evaporation device (1) is provided with an ammonia cavity (20), a steam generator (2) is arranged on one side of the evaporation device (1), a main steam pipe (7) is fixed at one end of the steam generator (2) in a sealing way, and the other end of the main steam pipe (7) passes through the evaporation device (1) and extends to the inside of the ammonia cavity (20), an ammonia concentration detection probe (17) is arranged below one side of the evaporation device (1).
2. The ammonia water evaporation plant for flue gas denitration of claim 1, characterized in that: the utility model discloses a steam boiler, including water-collecting tray (14), water-collecting tray (14) upper end intermediate position department is provided with the aqueous ammonia and advances pipe (4), and the aqueous ammonia advances the outside that the one end of pipe (4) extends to evaporation plant (1), the intermediate position department of steam person in charge (7) is provided with steam branch pipe (8), and the one end of steam branch pipe (8) extends to the inside of evaporation plant (1), steam branch pipe (8) are located the top that evaporation plant (1) inside one end is located aqueous ammonia chamber (20), steam person in charge (7) all install steam nozzle (11) with steam branch pipe (8) inside one end of evaporation plant (1), and seven are installed in steam nozzle (11).
3. The ammonia water evaporation plant for flue gas denitration of claim 1, characterized in that: one end of the steam main pipe (7) is fixedly provided with a one-way valve (10), and the other end of the steam main pipe (7) is fixedly provided with an air pump (9).
4. The ammonia water evaporation plant for flue gas denitration of claim 1, characterized in that: the inside of first mounting panel (12) and second mounting panel (13) all is provided with netted wire (19), and the mesh number of netted wire (19) is less than the mesh number of netted wire (19) in second mounting panel (13) in first mounting panel (12).
5. The ammonia water evaporation plant for flue gas denitration of claim 1, characterized in that: the inside of steam generator (2) is provided with water storage chamber (6), combustor (5) are installed to the below in water storage chamber (6), the top of steam generator (2) is provided with wet return (16), and the one end of wet return (16) passes evaporation plant (1) and extends to the inside in ammonia chamber (20), the intermediate position department fixed mounting of wet return (16) has water pump (21).
6. The ammonia water evaporation plant for flue gas denitration of claim 1, characterized in that: heating rod (18) are installed to the inner wall of ammonia exit tube (3), and heating rod (18) pass through bolt fastening with ammonia exit tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022798389.2U CN214389558U (en) | 2020-11-27 | 2020-11-27 | Ammonia water evaporation device for flue gas denitration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022798389.2U CN214389558U (en) | 2020-11-27 | 2020-11-27 | Ammonia water evaporation device for flue gas denitration |
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| CN214389558U true CN214389558U (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272354A (en) * | 2023-03-20 | 2023-06-23 | 广东顺控环境投资有限公司 | Smoke denitration device of garbage incineration power generation furnace |
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2020
- 2020-11-27 CN CN202022798389.2U patent/CN214389558U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272354A (en) * | 2023-03-20 | 2023-06-23 | 广东顺控环境投资有限公司 | Smoke denitration device of garbage incineration power generation furnace |
| CN116272354B (en) * | 2023-03-20 | 2023-10-20 | 广东顺控环境投资有限公司 | Smoke denitration device of garbage incineration power generation furnace |
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