CN205495001U - Be applied to aqueous ammonia deNOx systems's ammonia water evaporator - Google Patents
Be applied to aqueous ammonia deNOx systems's ammonia water evaporator Download PDFInfo
- Publication number
- CN205495001U CN205495001U CN201620314813.2U CN201620314813U CN205495001U CN 205495001 U CN205495001 U CN 205495001U CN 201620314813 U CN201620314813 U CN 201620314813U CN 205495001 U CN205495001 U CN 205495001U
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- ammonia
- inlet pipe
- pipe
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- vaporizer
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Abstract
The utility model provides a be applied to aqueous ammonia deNOx systems's ammonia water evaporator, belongs to flue gas denitration equipment field. Its characterized in that: including a jar body (10), the top of jar body (10) be provided with with aqueous ammonia deNOx systems in denitration reactor (4) ammonia water evaporator gas outlet (9) of linking to each other, be provided with the unit that gasifies with higher speed in the bottom of the jar body (10), the bottom of the unit that gasifies is with higher speed connected the flue gas and is diluted unit (6), aqueous ammonia supply unit (8) and compressed air inlet pipe (2) are connected simultaneously to the lateral part of the unit that gasifies with higher speed, acceleration gasification unit be venturi structure pipeline. The utility model discloses an among the aqueous ammonia deNOx systems, through setting up ammonia water evaporator, mix the aqueous ammonia, react with the flue gas with the form of gas, improved aqueous ammonia reaction utilization ratio greatly.
Description
Technical field
A kind of ammonia vaporizer being applied to ammonia denitrating system, belongs to flue gas denitrification equipment field.
Background technology
Denitration, refers to eliminate the process of nitrogen oxides in combustion product gases by chemical reaction, is to prevent flue gas from causing environment
The important channel polluted, carries out reacting that to realize denitration be a kind of mode common in the art by ammonia and flue gas.Existing
Have in technology, react in typically flue gas and ammonia being respectively fed to Benitration reactor, due to ammonia in liquid form
Directly reacting with flue gas, therefore ammonia is difficult to fully react with flue gas, reduces denitration efficiency, remains ammonia and also can corrode and set
Standby, the utilization rate causing ammonia is relatively low, thus considerably increases denitration cost.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, it is provided that a kind of by arranging ammonia
Vaporizer, mixes ammonia with flue gas in gaseous form, reacts, and substantially increase ammonia reaction utilization rate is applied to ammonia
The ammonia vaporizer of denitrating system.
This utility model solves its technical problem and be the technical scheme is that this is applied to the ammonia of ammonia denitrating system
Vaporizer, it is characterised in that: including tank body, the top of tank body is provided with the ammonia being connected with Benitration reactor in ammonia denitrating system
Water evaporimeter gas outlet, is provided with acceleration gasification unit in the bottom of tank body, and the bottom accelerating gasification unit connects flue gas dilution
Unit, the sidepiece accelerating gasification unit is simultaneously connected with ammonia feeding unit and compressed air inlet pipe；Described acceleration gasification
Unit is Venturi tube structure pipeline.
Preferably, described Venturi tube structure pipeline includes trunnion and the anemostat of Taper Pipe shape, collapsible tube, anemostat
Thick mouth end is connected with the bottom of described tank body, and thin mouth end connects one end of trunnion, and the other end of trunnion connects the thin of collapsible tube
Mouth end, the flue gas dilution unit described in the connection of thick mouth end of collapsible tube；Ammonia supply list and compressed air inlet pipe are the most certainly
The sidepiece of trunnion accesses venturi pipeline.
Preferably, described trunnion sidepiece be provided with insert into the inner be mixed into trachea, be positioned at literary composition being mixed into trachea
Port outside venturi road is provided with the ammonia inlet being connected respectively with ammonia feeding unit and compressed air inlet pipe
And compressed air inlet port.
Preferably, it is mixed into the port that trachea stretches in trunnion and connects described and have nozzle, the injection direction of nozzle
Upwards.
Preferably, the thick mouth end of described collapsible tube is connected with bend pipe and horizontal air inlet pipe, described flue gas dilution in turn
Unit is connected in horizontal air inlet pipe.
Preferably, between described bend pipe and collapsible tube, it is additionally provided with gas flow equalization pipe, in the internal footpath of gas flow equalization pipe
Some equal discharge orifices are set up.
Preferably, the bottom in described horizontal air inlet pipe is provided with blow-off pipe.
Preferably, described ammonia feeding unit includes that ammonia intake line and tank used for storing ammonia, ammonia intake line pass through
Filter accesses tank used for storing ammonia with unloading ammonia pump, and the outlet of tank used for storing ammonia is connected to described acceleration gasification unit by aqua ammonia pump,
Ammonia heat exchanger it is additionally provided with between described aqua ammonia pump and ammonia vaporizer.
Preferably, described flue gas dilution unit includes two dilution airs, and smoke inlet pipe dilutes wind with two simultaneously
The entrance of machine is connected, and the outlet of two dilution airs is simultaneously connected with described acceleration gasification unit.
Preferably, in described smoke inlet pipe connect have smoke inlet pipe NO detection meter, smoke inlet pipe effusion meter,
Smoke inlet pipe piezometer and smoke inlet pipe thermometer.
Compared with prior art, this utility model is had the beneficial effect that
1, in the ammonia vaporizer being applied to ammonia denitrating system of the present utility model, by arranging ammonia vaporizer,
Ammonia is mixed with flue gas in gaseous form, reacts, substantially increase ammonia reaction utilization rate.
2, by arranging venturi pipeline, mixing can be formed when ammonia, compressed air and flue gas enter and accelerate, wink
Between gas expansion, accelerate the speed entered in tank body of gas, contribute to being sufficiently mixed of ammonia and flue gas.
3, by arranging nozzle in the end being mixed into trachea, compressed air and ammonia access and are mixed into the another of trachea simultaneously
One end, therefore ammonia is sprayed by nozzle under compressed-air actuated effect, is more beneficial for the gasification of ammonia.
Accompanying drawing explanation
Fig. 1 is ammonia denitrating system pipeline connection diagram.
Fig. 2 is the ammonia evaporation structure schematic diagram being applied to ammonia denitrating system.
Fig. 3 is ammonia denitrating system smoke inlet pipe connection diagram.
Fig. 4 is ammonia denitrating system flue gas dilution unit pipeline connection diagram.
Fig. 5 is ammonia denitrating system ammonia feeding unit pipeline connection diagram.
Fig. 6 is the ammonia evaporator air equal tube flowing structure schematic diagram being applied to ammonia denitrating system.
1, smoke inlet pipe 2, compressed air inlet pipe 3, mixed gas thermometer 4, Benitration reactor 5, ammonia steam
Send out device 6, flue gas dilution unit 7, ammonia heat exchanger 8, ammonia feeding unit 9, ammonia vaporizer gas outlet 10, tank body
11, fixed mount 12, anemostat 13, trunnion 14, collapsible tube 15, bend pipe 16, blow-off pipe 17, horizontal air inlet pipe 18, mixing
Air inlet pipe 19, ammonia inlet 20, compressed air inlet port 21, nozzle 22, smoke inlet pipe NO detection meter 23, flue gas enter
Trachea effusion meter 24, smoke inlet pipe piezometer 25, smoke inlet pipe thermometer 26, tank used for storing ammonia liquidometer 27, ammonia
Outlet tube effusion meter 28, ammonia outlet tube piezometer the 29, first aqua ammonia pump the 30, second aqua ammonia pump 31, tank used for storing ammonia 32,
Unload ammonia pump 33, filter 34, ammonia intake line 35, flue gas escape pipe 36, flue gas escape pipe piezometer 37, dilution wind
Machine thermometer 38, dilution air 39, cooling water inlet pipe piezometer 40, cooling water inlet pipe 41, gas flow equalization pipe 42,
All discharge orifices.
Detailed description of the invention
Fig. 1 ~ 6 are most preferred embodiments of the present utility model, and 1 ~ 6 pair of this utility model does furtherly below in conjunction with the accompanying drawings
Bright.
In ammonia denitrating system as shown in Figure 1, including ammonia feeding unit 8, flue gas dilution unit 6, ammonia evaporation
Device 5 and Benitration reactor 4.First the ammonia of ammonia feeding unit 8 output access the input of ammonia heat exchanger 7, at ammonia
Accessed an input port of ammonia vaporizer 5 by pipeline after completing preheating in heat exchanger 7, the most in parallel on this pipeline
There is compressed air inlet pipe 2.Smoke inlet pipe 1 is divided into two-way, the first via to be directly accessed in Benitration reactor 4, and another road is accessed
The entrance of flue gas dilution unit 6, the outlet of flue gas dilution unit 6 accesses in another entrance of ammonia vaporizer 5.Ammonia evaporates
The outlet of device 5 is concurrently accessed in Benitration reactor 4, is additionally provided with on the connecting line of Benitration reactor 4 at ammonia vaporizer 5
Mixed gas thermometer 3, for detecting the output gas temperature of ammonia vaporizer 5.
As in figure 2 it is shown, ammonia vaporizer 5 includes tank body 10 and for supporting the fixed mount 11 of tank body 10.Tank body 10
Top is the ammonia vaporizer gas outlet 9 being connected with Benitration reactor 4, and bottom is provided with venturi pipeline, and above-mentioned compression is empty
The outfan of gas air inlet pipe 2, flue gas dilution unit 6 and ammonia feeding unit 8 is simultaneously connected with in venturi pipeline.
Venturi pipeline includes anemostat 12, trunnion 13 and collapsible tube 14, and wherein anemostat 12 and collapsible tube 14 are cone
Shape pipe.The thick mouth end of anemostat 12 is connected with the bottom of tank body 10, and its thin mouth end connects the upper end of trunnion 13, the lower end of trunnion 13
Connecting the thin mouth end of collapsible tube 14, the thick mouth end bridge piece 15 of collapsible tube 14, the other end of bend pipe 15 connects horizontal air inlet pipe
17, the outfan of above-mentioned flue gas dilution unit 6 is connected in this horizontal air inlet pipe 17, also sets in the bottom of this horizontal air inlet pipe 17
It is equipped with blow-off pipe 16.
It is additionally provided with gas flow equalization pipe 41 in bend pipe 15 upper end and collapsible tube 14 junction.As shown in Figure 6, at gas flow equalization
The inner radial of pipe 41 is provided with the equal discharge orifice 42 of some hexagonal shapes.When flue gas after bend pipe 15 enter collapsible tube 14 it
Before, flue gas can be made uniformly through equal discharge orifice 42 by gas flow equalization pipe 41, reach the current-sharing effect of gas.All discharge orifice 42 is also
Could be arranged to other shapes, such as circular port, rectangular opening etc..
Connected by pipeline in the side of above-mentioned trunnion 13 and have flange, be mixed into trachea 18 and be connected at larynx with this flange
The inside of trunnion 32 is also stretched in the side of pipe 13, be mixed into trachea 18 be positioned at the port outside trunnion 13 simultaneously with above-mentioned compression
Compressed air inlet port 20 that air intake duct 2 connects and the ammonia inlet 19 that is connected with ammonia feeding unit 8 outfan；Mixing
The port connection that air inlet pipe 18 is positioned within trunnion 13 has nozzle 21, and the injection direction of nozzle 21 is straight up.
In ammonia vaporizer 5, by arranging venturi pipeline bottom tank body 10, when ammonia, compressed air and cigarette
After gas enters venturi pipeline respectively through ammonia inlet 19, compressed air inlet port 20 and horizontal air inlet pipe 17, can be formed
Negative pressure state, thus accelerate the speed entered in tank body 10 of gas, contributes to being sufficiently mixed of ammonia and flue gas.
As shown in Fig. 3 ~ 4, flue gas dilution unit includes two dilution airs 38, connects and has smoke inlet pipe NO detection meter
22, the smoke inlet pipe 1 of smoke inlet pipe effusion meter 23, smoke inlet pipe piezometer 24 and smoke inlet pipe thermometer 25 is simultaneously
Accessing the porch of two dilution airs 38, the outlet of two dilution airs 38 accesses after importing flue gas escape pipe 35 simultaneously
In the ammonia vaporizer 5 stated, flue gas escape pipe 35 is additionally provided with flue gas escape pipe piezometer 36.At two dilution airs 38
In be provided with a dilution air thermometer 37, the pipeline of the entrance and exit of two dilution airs 38 is respectively arranged with
Manually regulate door, dilution air 38 is also associated with cooling unit.
Cooling unit includes that the cooling water inlet pipe 40 for carrying cooling water, cooling water inlet pipe 40 series connection cooling water enter
The cooling water intake of two dilution airs 38, two dilution airs 38 it are simultaneously connected with after siphon pressure meter 39 and corresponding valve
Cooling water outlet be compiled at one by pipeline after discharge.
As it is shown in figure 5, in ammonia feeding unit 8, ammonia intake line 34 one end connects ammonia water source, the other end accesses
The entrance of filter 33, the outlet of filter 33 connects the entrance unloading ammonia pump 32, and the outlet unloading ammonia pump 32 connects tank used for storing ammonia 31,
Tank used for storing ammonia 31 is provided with tank used for storing ammonia liquidometer 26.The exit of tank used for storing ammonia 31 is simultaneously connected with the first ammonia by pipeline
Water pump 29 and the entrance of the second aqua ammonia pump 30, the outlet of the first aqua ammonia pump 29 and the second aqua ammonia pump 30 is compiled at one same by pipeline
Time connect ammonia heat exchanger 7 entrance, the export pipeline of the first aqua ammonia pump 29 and the second aqua ammonia pump 30 is simultaneously installed with ammonia
Water delivery pipe effusion meter 27 and ammonia outlet tube piezometer 28.Unloading ammonia pump the 32, first aqua ammonia pump 29 and the second aqua ammonia pump 30
It is provided with manual ball valve on the pipeline of entrance and exit.
Specific works process and operation principle are as follows:
In this ammonia denitrating system, the ammonia in ammonia intake line 34 in ammonia feeding unit 8 is unloading ammonia pump 32
Effect under enter in tank used for storing ammonia 31, the ammonia in tank used for storing ammonia 31 is in the first aqua ammonia pump 29 and effect of the second aqua ammonia pump 30
Under be admitted in ammonia heat exchanger 7 preheat, preheated send into ammonia vaporizer 5 bottom afterwards be mixed into trachea 18
On, compressed air inlet pipe 2 is simultaneously connected with and is being mixed on trachea 18, and together send into ammonia vaporizer 5 with ammonia internal, pressure
Contracting air and ammonia together enter after being mixed into trachea 18, spray into ammonia evaporation by being mixed into the nozzle 21 of trachea 18 end
Device 5 is internal.
The flue gas exported by smoke inlet pipe 1 enters in two dilution airs 38 in flue gas dilution unit 6, and by two
Send into after bar dilution air 38 in the horizontal air inlet pipe 17 of ammonia vaporizer 5, and the civilian mound connected by horizontal air inlet pipe 17
In pipeline enter in ammonia vaporizer 5.After ammonia gasifies in ammonia vaporizer 5, the ammonia from ammonia vaporizer 5 top steams
Send out during output enters Benitration reactor 4 in device gas outlet 9, and sent into the flue gas in Benitration reactor 4 by smoke inlet pipe 1 simultaneously
Denitration reaction is completed in Benitration reactor 4.
The above, be only preferred embodiment of the present utility model, is not that this utility model is made other form
Restriction, any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as equivalent
The Equivalent embodiments of change.But every without departing from technical solutions of the utility model content, real according to technology of the present utility model
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still falls within the guarantor of technical solutions of the utility model
Protect scope.
Claims (10)
1. the ammonia vaporizer being applied to ammonia denitrating system, it is characterised in that: include tank body (10), the top of tank body (10)
Portion is provided with the ammonia vaporizer gas outlet (9) being connected with Benitration reactor (4) in ammonia denitrating system, at the end of tank body (10)
Portion is provided with acceleration gasification unit, and the bottom accelerating gasification unit connects flue gas dilution unit (6), accelerates the sidepiece of gasification unit
It is simultaneously connected with ammonia feeding unit (8) and compressed air inlet pipe (2)；Described acceleration gasification unit is Venturi tube structure pipe
Road.
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 1, it is characterised in that: described civilian mound
In structure pipeline include the anemostat (12) of trunnion (13) and Taper Pipe shape, collapsible tube (14), the thick mouth end of anemostat (12) with
The bottom of described tank body (10) is connected, and thin mouth end connects one end of trunnion (13), and the other end of trunnion (13) connects collapsible tube
(14) thin mouth end, the flue gas dilution unit (6) described in the connection of thick mouth end of collapsible tube (14)；Ammonia feeding unit (8) and
Compressed air inlet pipe (2) accesses venturi pipeline from the sidepiece of trunnion (13) simultaneously.
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 2, it is characterised in that: at described larynx
Pipe (13) sidepiece be provided with insert into the inner be mixed into trachea (18), be positioned at outside venturi pipeline being mixed into trachea (18)
Port is provided with the ammonia inlet (19) being connected respectively and pressure with ammonia feeding unit (8) and compressed air inlet pipe (2)
Contracting air inlet (20).
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 3, it is characterised in that: mix described
The port connection that conjunction air inlet pipe (18) is stretched in trunnion (13) has nozzle (21), and the injection direction of nozzle (21) is upwards.
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 2, it is characterised in that: described contraction
The thick mouth end of pipe (14) is connected with bend pipe (15) and horizontal air inlet pipe (17) in turn, and described flue gas dilution unit (6) is connected to
In horizontal air inlet pipe (17).
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 5, it is characterised in that: described curved
It is additionally provided with gas flow equalization pipe (41) between pipe (15) and collapsible tube (14), gas flow equalization pipe (41) inner radial is provided with
Some equal discharge orifices (42).
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 5, it is characterised in that: at described water
The bottom of flat air inlet pipe (17) is provided with blow-off pipe (16).
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 1, it is characterised in that: described ammonia
Feeding unit (8) includes ammonia intake line (34) and tank used for storing ammonia (31), and ammonia intake line (34) passes through filter (33)
Accessing tank used for storing ammonia (31) with unloading ammonia pump (32), the outlet of tank used for storing ammonia (31) is connected to described acceleration by aqua ammonia pump and gasifies
Unit, is additionally provided with ammonia heat exchanger (7) between described aqua ammonia pump and ammonia vaporizer (5).
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 1, it is characterised in that: described flue gas
Dilution unit (6) includes two dilution airs (38), smoke inlet pipe (1) simultaneously with the entrance phase of two dilution airs (38)
Even, the outlet of two dilution airs (38) is simultaneously connected with described acceleration gasification unit.
The ammonia vaporizer being applied to ammonia denitrating system the most according to claim 9, it is characterised in that: described
Smoke inlet pipe (1) connects and has smoke inlet pipe NO detection meter (22), smoke inlet pipe effusion meter (23), smoke inlet pipe pressure
Power meter (24) and smoke inlet pipe thermometer (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314813.2U CN205495001U (en) | 2016-04-15 | 2016-04-15 | Be applied to aqueous ammonia deNOx systems's ammonia water evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314813.2U CN205495001U (en) | 2016-04-15 | 2016-04-15 | Be applied to aqueous ammonia deNOx systems's ammonia water evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205495001U true CN205495001U (en) | 2016-08-24 |
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ID=56715203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620314813.2U Expired - Fee Related CN205495001U (en) | 2016-04-15 | 2016-04-15 | Be applied to aqueous ammonia deNOx systems's ammonia water evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205495001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011662A (en) * | 2018-07-18 | 2018-12-18 | 长沙恒宇节能环保科技有限公司 | A kind of denitration ammonia water evaporator |
| CN113477058A (en) * | 2021-06-28 | 2021-10-08 | 北京北方天鹰科技有限公司 | Waste gas treatment device of coal-fired heating furnace |
-
2016
- 2016-04-15 CN CN201620314813.2U patent/CN205495001U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011662A (en) * | 2018-07-18 | 2018-12-18 | 长沙恒宇节能环保科技有限公司 | A kind of denitration ammonia water evaporator |
| CN113477058A (en) * | 2021-06-28 | 2021-10-08 | 北京北方天鹰科技有限公司 | Waste gas treatment device of coal-fired heating furnace |
| CN113477058B (en) * | 2021-06-28 | 2023-03-10 | 北京北方天鹰科技有限公司 | Waste gas treatment device of coal-fired heating furnace |
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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: 20160824 Termination date: 20200415 |