CN206355834U - A kind of device of low-temperature flue gas desulfurization and denitrification integral - Google Patents
A kind of device of low-temperature flue gas desulfurization and denitrification integral Download PDFInfo
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- CN206355834U CN206355834U CN201621475497.3U CN201621475497U CN206355834U CN 206355834 U CN206355834 U CN 206355834U CN 201621475497 U CN201621475497 U CN 201621475497U CN 206355834 U CN206355834 U CN 206355834U
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- Prior art keywords
- flue
- ozone generator
- ammonia
- flue gas
- exhaust passage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a kind of device of low-temperature flue gas desulfurization and denitrification integral, its structure includes coke oven chimney, flue, air-introduced machine, plasma generator, except ammonia catalyst converter, ammoniacal liquor supply pump, ammonia surge tank, flue, tank used for storing ammonia, SCR reactors, discharge flue, feed pump, ozone generator, delivery pipe, absorption tower, outlet flue, exhaust passage, inlet channel, gas tank, electrostatic precipitator ozone generator is provided with exhaust passage, inlet channel, inlet channel is connected by gas tank with exhaust passage, exhaust passage is flexibly connected by ozone generator with delivery pipe, delivery pipe is fixedly connected by absorption tower with outlet flue.A kind of device of low-temperature flue gas desulfurization and denitrification integral of the present utility model, the device makes full use of the remained ammonia purified in technique by the setting of tank used for storing ammonia, ammoniacal liquor supply pump, ammonia surge tank, and device structure simply greatly reduces energy waste.
Description
Technical field
The utility model is a kind of device of low-temperature flue gas desulfurization and denitrification integral, belongs to desulfuring and denitrifying apparatus field.
Background technology
Flue gas desulfurization and denitrification technology is the boiler smoke that chemical engineering industry is generated applied to many nitrogen oxides, oxysulfide
Purification techniques.Nitrogen oxides, oxysulfide are one of main sources of air pollution.Therefore apply technique net to surrounding air
Change advantagious.
Prior art discloses Application No.：201620184822.4 low-temperature flue gas desulfurization and denitrification integral device,
Plasma desulfuration denitrification apparatus, hydrogen peroxide catalytic activation desulfuring and denitrifying apparatus and ozone oxygen are integrated with pending flue
Change two or three of device in desulfuring and denitrifying apparatus, in the scheme containing plasma desulfuration denitrification apparatus, plasma
Desulfuring and denitrifying apparatus is arranged at flue foremost, in the case of hydrogen peroxide, ozone oxidation desulfuring and denitrifying apparatus are simultaneous,
Hydrogen peroxide catalytic activation desulfuring and denitrifying apparatus is located at front end.The device of low-temperature flue gas desulfurization and denitrification integral of the present utility model,
By two or three of skill in plasma desulphurization denitration technology, H2O2 catalytic activations technology and ozone high grade oxidation desulphurization denitration technology
Art application in an arrangement, according to three kinds of denitration technologies of different operating mode synergic adjustments of flue gas, can improve NOx removing effect
Rate, while reducing desulphurization denitration operating cost.But, the device can not make full use of purification technique when carrying out desulphurization denitration
In remained ammonia, easily cause the situation of the wasting of resources.
Utility model content
In view of the deficienciess of the prior art, the utility model purpose is to provide a kind of low-temperature flue gas desulfurization and denitrification integral
Device, with solve the device carry out desulphurization denitration when can not make full use of purification technique in remained ammonia, easily cause
The problem of situation of the wasting of resources.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of low-temperature flue gas takes off
The device of sulphur denitrification integral, its structure include coke oven chimney, flue, air-introduced machine, plasma generator, except ammonia catalyst converter, ammonia
Water supply pump, ammonia surge tank, flue, tank used for storing ammonia, SCR reactors, discharge flue, feed pump, ozone generator, row
Put pipe, absorption tower, outlet flue, exhaust passage, inlet channel, gas tank, electrostatic precipitator, the coke oven chimney by flue with it is quiet
Electric cleaner is connected, and the flue is described etc. provided with being connected below air-introduced machine, the air-introduced machine with plasma generator
Under ion generator respectively with except ammonia catalyst converter, flue are connected, the flue pass through SCR reactors with smoke evacuation
Passage is connected, and the flue has ammoniacal liquor supply pump, and the ammoniacal liquor supply pump is stored up by ammonia surge tank and ammoniacal liquor
Tank is connected, and the discharge flue is connected by feed pump with ozone generator, and the ozone generator is logical provided with exhaust
Road, inlet channel, the inlet channel are connected by gas tank with exhaust passage, the exhaust passage by ozone generator with
Delivery pipe is flexibly connected, and the delivery pipe is fixedly connected by absorption tower with outlet flue.
Further, the SCR reactors by former flue gas inlet port, nitrogen dioxide air mixed layer, SCR reactable layers,
Air preheater is constituted.
Further, the former flue gas inlet port is connected by nitrogen dioxide air mixed layer with SCR reactable layers, institute
SCR reactable layers are stated with air preheater to be connected.
Further, the ozone generator is by sulfur dioxide air inlet, Catalytic Layer, ozone generator inner chamber, neat stress
Outlet composition.
Further, the Catalytic Layer is located at intracavitary in ozone generator, and the sulfur dioxide air inlet is sent out by ozone
Raw device inner chamber is connected with neat stress outlet.
A kind of device of low-temperature flue gas desulfurization and denitrification integral of the present utility model, the device passes through tank used for storing ammonia, ammonia
Water supply pump, the setting of ammonia surge tank make full use of the remained ammonia in purification technique, and device structure simply drops significantly
Low energy waste.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Levy, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of the device of low-temperature flue gas desulfurization and denitrification integral of the utility model；
Fig. 2 is a kind of SCR structure of reactor schematic diagrames of the device of low-temperature flue gas desulfurization and denitrification integral of the utility model；
Fig. 3 is a kind of ozone generator structural representation of the device of low-temperature flue gas desulfurization and denitrification integral of the utility model
Figure；
In figure：Coke oven chimney -1, flue -2, air-introduced machine -3, plasma generator -4, except ammonia catalyst converter -5, ammoniacal liquor supply
It is pump -6, ammonia surge tank -7, flue -8, tank used for storing ammonia -9, SCR reactors -10, discharge flue -11, feed pump -12, smelly
It is Oxygen Generator -13, delivery pipe -14, absorption tower -15, outlet flue -16, exhaust passage -17, inlet channel -18, gas tank -19, quiet
Electric cleaner -20, former flue gas inlet port -1001, nitrogen dioxide air mixed layer -1002, SCR reactable layers -1003, air are pre-
Hot device -1004, sulfur dioxide air inlet -1301, Catalytic Layer -1302, ozone generator inner chamber -1303, neat stress outlet -
1304。
Embodiment
To be easy to understand technological means, creation characteristic, reached purpose and effect of the utility model realization, below
With reference to embodiment, the utility model is expanded on further.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the utility model provides a kind of device of low-temperature flue gas desulfurization and denitrification integral：Its
Structure include coke oven chimney 1, flue 2, air-introduced machine 3, plasma generator 4, except ammonia catalyst converter 5, ammoniacal liquor supply pump 6, ammonia delay
Rush tank 7, flue 8, tank used for storing ammonia 9, SCR reactors 10, discharge flue 11, feed pump 12, ozone generator 13, delivery pipe
14th, absorption tower 15, outlet flue 16, exhaust passage 17, inlet channel 18, gas tank 19, electrostatic precipitator 20, the coke oven chimney 1
It is connected by flue 2 with electrostatic precipitator 20, the flue 2 is provided with air-introduced machine 3, the lower section of the air-introduced machine 3 and plasma
Generator 4 is connected, under the plasma generator 4 respectively with except ammonia catalyst converter 5, flue 8 are connected, the flue gas
Pipeline 8 is connected by SCR reactors 10 with discharge flue 11, and the flue 8 has ammoniacal liquor supply pump 6, the ammonia
Water supply pump 6 is connected by ammonia surge tank 7 with tank used for storing ammonia 9, and the discharge flue 11 is sent out by feed pump 12 and ozone
Raw device 13 is connected, and the ozone generator 13 is provided with exhaust passage 17, inlet channel 18, and the inlet channel 18 passes through gas
Tank 19 is connected with exhaust passage 17, and the exhaust passage 17 is flexibly connected by ozone generator 13 with delivery pipe 14, described
Delivery pipe 14 is fixedly connected by absorption tower 15 with outlet flue 16, and the SCR reactors 10 are by former flue gas inlet port 1001, dioxy
Change nitrogen air mixed layer 1002, SCR reactable layers 1003, air preheater 1004 to constitute, the former flue gas inlet port 1001 leads to
Cross nitrogen dioxide air mixed layer 1002 with SCR reactable layers 1003 to be connected, the SCR reactable layers 1003 and air preheat
Device 1004 is connected, and the ozone generator 13 is by sulfur dioxide air inlet 1301, Catalytic Layer 1302, ozone generator inner chamber
1303rd, neat stress outlet 1304 is constituted, and the Catalytic Layer 1302 is in ozone generator inner chamber 1303, and the sulfur dioxide enters
Gas port 1301 is connected by ozone generator inner chamber 1303 with neat stress outlet 1304.
Carrying out in use, flue gas first passes around electrostatic precipitator 20 by flue 2, by big in electrostatic precipitator 20
The dust of grain is removed, and by plasma generator 4, in plasma generator 4, the molecule with short grained flue gas is electric
From, the active particle and free radical of generation, active particle and free radical be thermal decomposited as NO2 by SCR reactors 10 and
H2O, is aoxidized NO2 by ozone generator 13, is eventually passed after flue gas suction absorption tower 15 is cleaned and is discharged.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is by institute
Attached claim rather than described above are limited, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the right involved by limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (5)
1. a kind of device of low-temperature flue gas desulfurization and denitrification integral, it is characterised in that：Its structure includes coke oven chimney (1), flue
(2), air-introduced machine (3), plasma generator (4), except ammonia catalyst converter (5), ammoniacal liquor supply pump (6), ammonia surge tank (7), flue gas
Pipeline (8), tank used for storing ammonia (9), SCR reactors (10), discharge flue (11), feed pump (12), ozone generator (13), discharge
Manage (14), absorption tower (15), outlet flue (16), exhaust passage (17), inlet channel (18), gas tank (19), electrostatic precipitator
(20), the coke oven chimney (1) is connected by flue (2) with electrostatic precipitator (20), and the flue (2) is provided with air-introduced machine
(3), be connected below the air-introduced machine (3) with plasma generator (4), the plasma generator (4) it is beneath respectively with except
Ammonia catalyst converter (5), flue (8) are connected, and the flue (8) passes through SCR reactors (10) and discharge flue (11)
It is connected, the flue (8) has ammoniacal liquor supply pump (6), the ammoniacal liquor supply pump (6) passes through ammonia surge tank (7)
It is connected with tank used for storing ammonia (9), the discharge flue (11) is connected by feed pump (12) with ozone generator (13), described
Ozone generator (13) be provided with exhaust passage (17), inlet channel (18), the inlet channel (18) by gas tank (19) with
Exhaust passage (17) is connected, and the exhaust passage (17) is flexibly connected by ozone generator (13) with delivery pipe (14), institute
Delivery pipe (14) is stated to be fixedly connected with outlet flue (16) by absorption tower (15).
2. a kind of device of low-temperature flue gas desulfurization and denitrification integral according to claim 1, it is characterised in that：The SCR
Reactor (10) is by former flue gas inlet port (1001), nitrogen dioxide air mixed layer (1002), SCR reactable layers (1003), sky
Air preheater (1004) is constituted.
3. a kind of device of low-temperature flue gas desulfurization and denitrification integral according to claim 2, it is characterised in that：The former cigarette
Gas inlet port (1001) is connected by nitrogen dioxide air mixed layer (1002) with SCR reactable layers (1003), the SCR heat
Conversion zone (1003) is connected with air preheater (1004).
4. a kind of device of low-temperature flue gas desulfurization and denitrification integral according to claim 1, it is characterised in that：The ozone
Generator (13) is exported by sulfur dioxide air inlet (1301), Catalytic Layer (1302), ozone generator inner chamber (1303), neat stress
(1304) constitute.
5. a kind of device of low-temperature flue gas desulfurization and denitrification integral according to claim 4, it is characterised in that：The catalysis
Layer (1302) is in ozone generator inner chamber (1303), and the sulfur dioxide air inlet (1301) passes through ozone generator inner chamber
(1303) it is connected with neat stress outlet (1304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475497.3U CN206355834U (en) | 2016-12-29 | 2016-12-29 | A kind of device of low-temperature flue gas desulfurization and denitrification integral |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475497.3U CN206355834U (en) | 2016-12-29 | 2016-12-29 | A kind of device of low-temperature flue gas desulfurization and denitrification integral |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206355834U true CN206355834U (en) | 2017-07-28 |
Family
ID=59378349
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621475497.3U Expired - Fee Related CN206355834U (en) | 2016-12-29 | 2016-12-29 | A kind of device of low-temperature flue gas desulfurization and denitrification integral |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206355834U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579408A (en) * | 2018-04-04 | 2018-09-28 | 江苏华本环境科技有限公司 | A kind of low-temperature catalyzed denitration method for flue gas |
| CN109603528A (en) * | 2018-12-31 | 2019-04-12 | 华电电力科学研究院有限公司 | A kind of denitrating system and its working method of multi-stage reacting device |
-
2016
- 2016-12-29 CN CN201621475497.3U patent/CN206355834U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579408A (en) * | 2018-04-04 | 2018-09-28 | 江苏华本环境科技有限公司 | A kind of low-temperature catalyzed denitration method for flue gas |
| CN109603528A (en) * | 2018-12-31 | 2019-04-12 | 华电电力科学研究院有限公司 | A kind of denitrating system and its working method of multi-stage reacting device |
| CN109603528B (en) * | 2018-12-31 | 2023-11-14 | 华电电力科学研究院有限公司 | Denitration system of multistage reaction device and working method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170728 Termination date: 20211229 |