CN208865425U - Flue gas pollutant control test system - Google Patents
Flue gas pollutant control test system Download PDFInfo
- Publication number
- CN208865425U CN208865425U CN201820441106.9U CN201820441106U CN208865425U CN 208865425 U CN208865425 U CN 208865425U CN 201820441106 U CN201820441106 U CN 201820441106U CN 208865425 U CN208865425 U CN 208865425U
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- flue gas
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- pollutant control
- control test
- test system
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- 239000003546 flue gas Substances 0.000 title claims abstract description 171
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 169
- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 47
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 47
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 26
- 230000023556 desulfurization Effects 0.000 claims abstract description 26
- 239000003245 coal Substances 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 230000003009 desulfurizing effect Effects 0.000 claims description 4
- 239000012716 precipitator Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 235000019738 Limestone Nutrition 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000001925 catabolic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
The utility model relates to disclose a kind of flue gas pollutant control test system, including flue gas pipeline (10), denitration module (20), dedusting module (30) and desulfurization module (40), the denitration module (20), the dedusting module (30) and the desulfurization module (40) are detachably arranged in the flue gas pipeline (10), and test flue gas can enter the flue gas pipeline (10) from one end of the flue gas pipeline (10), and through the denitration module (20), it is flowed out after the dedusting module (30) and the desulfurization module (40) from the other end of the flue gas pipeline (10).The flue gas pollutant control test system can be parallel to the flue gas system of coal fired power plant, its modules really simulates the environment of flue gas system, so as to for verifying new equipment, for newly-built, transformation coal fired power plant flue gas system play the role of it is very big test in advance, to reduce the design cost of newly-built transformation coal fired power plant.
Description
Technical field
The utility model relates to coal fired power plant smoke gas treatment technical fields, control and try more particularly to a kind of flue gas pollutant
Check system.
Background technique
Coal fired power plant atmosphere pollution efficient removal and Collaborative Control be current international energy environmental area it is strategic before
Along one of project, and the hot and difficult issue of research.The development of domestic and international coal-burning power plant's pollutant abatement technology is made a general survey of, China is coal-fired
Generating plant flue gas pollutant minimum discharge research is in the leading level in the world, and domestic major electricity power group carries out successively in the recent period
The research and practice of minimum discharge are simultaneously succeeded, but are not yet formed super suitable for the flue gas of different types of coal, different capabilities unit
Low emission Treatment process system.Urgently carry out the experimental study of Multi-parameter coupling combustion adjustment by establishing pilot system, explores more
Kind pollutant Collaborative Control best-of-breed technology route and the method for operation further decrease for the project cost for controlling clean and environmental protection island
The energy consumption of unit flue gas pollutant emission reduction, material consumption provide technical support.
Utility model content
The purpose of the utility model is to provide a kind of flue gas pollutant control test systems, to solve existing coal fired power plant cigarette
Before the gas system reform the problem of verification experimental verification.
To achieve the goals above, the utility model provides a kind of flue gas pollutant control test system, which is characterized in that
The flue gas pollutant control test system includes flue gas pipeline, denitration module, dedusting module and desulfurization module,
The denitration module, the dedusting module and the desulfurization module are detachably arranged in the fume pipe
Road, and test flue gas and can enter the flue gas pipeline from one end of the flue gas pipeline, and through the denitration module, described remove
It is flowed out after dirt module and the desulfurization module from the other end of the flue gas pipeline.
Preferably, the denitration module, the dedusting module and the desulfurization module are by entering from the flue gas pipeline
The sequence of mouth to outlet is set gradually.
Preferably, the flue gas pollutant control test system further includes the first flue gas being arranged on the flue gas pipeline
Temperature-regulating module, the first flue gas temperature-regulating module are located at the upstream of the denitration module.
Preferably, the flue gas pollutant control test system further includes the second flue gas being arranged on the flue gas pipeline
Temperature-regulating module, the second flue gas temperature-regulating module is on the flue gas pipeline between the denitration module and the dedusting module.
Preferably, the second flue gas temperature-regulating module includes the level-one register and second level for being series at the flue gas pipeline
Register, the level-one register are located at the upstream of the second level register.
Preferably, the flue gas pollutant control test system further includes the air inducing mould being arranged on the flue gas pipeline
Block, the air inducing module is on the flue gas pipeline between the dedusting module and the desulfurization module.
Preferably, the flue gas pollutant control test system further includes the wet dust removal being arranged on the flue gas pipeline
Module, the wet dust removal module are located at the downstream of the desulfurization module.
Preferably, it is provided on the flue gas pipeline several for connecting the verifying interface of flue gas processing device；
And/or
The dedusting module is electric precipitator.
Preferably, the denitration module includes the SCR reactor for being series at the flue gas pipeline, in the SCR reactor
It is provided at least two layers of denitration catalyst oxidant layer and at least one layer of demercuration catalyst layer.
Preferably, the smoke inlet of the flue gas pipeline is provided with the first pipe interface, and first pipe interface can
It is connected to the flue gas system of coal fired power plant, and receives the flue gas at economizer rear in the flue gas system；
The exhanst gas outlet of the flue gas pipeline is provided with the second pipe interface, and second pipe interface can be connected to described
Flue gas system, and flue gas is delivered to the desulfurizing tower gas approach of the flue gas system.
Through the above technical solutions, flue gas pollutant control test system can be parallel to the flue gas system of coal fired power plant,
Its modules really simulates the environment of flue gas system, so as to be used to verify new equipment, electricity coal-fired for newly-built, transformation
Flue gas system of standing play the role of it is very big test in advance, to reduce the design cost of newly-built transformation coal fired power plant.Moreover,
Its test process does not influence the normal use of coal fired power plant flue gas system.The unit of coal fired power plant flue gas system is run when test
Smaller, operation cooperation is few；Test, which will not run unit, has an adverse effect (such as ABS, dust concentration etc.).
Detailed description of the invention
Fig. 1 is the schematic diagram of flue gas pollutant control test system in one embodiment of the utility model.
Description of symbols
10- flue gas pipeline；
20- denitration module；
30- dedusting module；
40- desulfurization module；
50- the first flue gas temperature-regulating module；
60- the second flue gas temperature-regulating module；61- level-one register；62- second level register；
70- air inducing module；
80- wet dust removal module.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Refering to fig. 1, the schematic diagram of flue gas pollutant control test system in present embodiment is shown；The flue gas
Pollutant catabolic gene pilot system flue gas pipeline 10, denitration module 20, dedusting module 30 and desulfurization module 40, the denitration module
20, the dedusting module 30 and the desulfurization module 40 are detachably arranged in the flue gas pipeline 10, and test flue gas
The flue gas pipeline 10 can be entered from one end of the flue gas pipeline 10, and through the denitration module 20, the dedusting module
30 and the desulfurization module 40 after from the other end of the flue gas pipeline 10 flow out.Wherein, one end of flue gas pipeline 10 can connect
The flue gas system of logical coal fired power plant, and the flue gas at economizer rear in the flue gas system is received, the other end of flue gas pipeline 10
Also it is connected to the flue gas system of coal fired power plant, and flue gas is delivered to the desulfurizing tower gas approach of the flue gas system.To the cigarette
Gas pollutant catabolic gene pilot system can be parallel to the flue gas system of coal fired power plant, and test process does not influence coal fired power plant flue gas
The normal use of system.Smaller to the unit operation of coal fired power plant flue gas system when test, operation cooperation is few；Test will not be to machine
Group operation has an adverse effect (such as ABS, dust concentration etc.)；In addition, the flue gas pollutant control test system and flue gas system
Interface is few, is more suitable for the actual conditions of power plant.
Specifically, the smoke inlet of the flue gas pipeline 10 is provided with the first pipe interface (not shown), and described
One pipe interface can be connected to the flue gas system of coal fired power plant, and receive the flue gas at economizer rear in the flue gas system；Institute
The exhanst gas outlet for stating flue gas pipeline 10 is provided with the second pipe interface (not shown), and second pipe interface can be connected to
The flue gas system, and flue gas is delivered to the desulfurizing tower gas approach of the flue gas system.First pipe interface and the second pipe
The setting of road interface can make it using more flexible convenience convenient for connecting with flue gas system.
Wherein, the denitration module 20 includes the SCR reactor for being series at the flue gas pipeline 10, the SCR reactor
Inside it is provided at least two layers of denitration catalyst oxidant layer and at least one layer of demercuration catalyst layer.Specifically, denitration module 20 is de- using SCR
Two layers of denitrating catalyst and one layer of demercuration catalyst is arranged in nitre technology, SCR reactor, denitrification reducing agent using ammonia, directly from
Power plant's ammonia pipeline, which draws, to be connect.One dilution air is set, after mixing by static mixer, into SCR reactor, reaches NOx
Discharge is lower than 30mg/Nm3(standard state, butt, 6%O2).Smoke temperature is in 270-350 DEG C of change procedure, the NO of denitration module 20xIt is de-
Extracting rate >=88%, the escaping of ammonia rate≤3ppm, SO2/SO3Conversion ratio < 1%.
Wherein, dedusting module 30 is met out using the low low temperature electrostatic deduster of five electric fields, efficiency of dust collection > 99.9%
Mouth dust concentration≤15mg/Nm3.One, two, three, four, five electric field ash bucket of deduster respectively matches a storehouse pump；One, two, three, four, five
Electric field shares an ash pipe and send to newly-increased bag filter, and bag filter will be emitted into power plant's electrostatic precipitator entrance.
Flue gas is being sent into desulfurization module 40 by air inducing module 70 after dedusting module 30, and flue gas to be processed enters de-
It after sulphur module 40, is contacted with the lime stone slurry of spray, removes the SO in flue gas2.It is equipped with demister after desulfurization module 40, removes
Go the mist pearl in exiting flue gas.Absorption tower slurry circulating pump provides the absorbent of big flow for absorption tower, guarantees that gas-liquid two-phase fills
Tap touching, improves SO2Absorption efficiency.Generate gypsum during take pressure aoxidize, setting oxidation fan by slurries not
The HSO of oxidation3 -And SO3 2-It is oxidized to SO4 2-.It is equipped with agitating device in oxidation stock tank, to guarantee to be uniformly mixed, prevents slurries heavy
It forms sediment.The gypsum generated after oxidation is discharged into Power Plant Accident slurry tank by gypsum discharge pump.40 absorbent of desulfurization module is derived from power plant
Limestone slurry liquid case increases a socle lime stone slurry feeding pump newly, provides lime stone slurry for desulfurization module 40.
Further, the denitration module 20, the dedusting module 30 and the desulfurization module 40 are pressed from the fume pipe
The sequence of the entrance on road 10 to outlet is set gradually.To make the flue gas pollutant control test system and coal fired power plant flue gas system
The setting of system is consistent, and achievees the purpose that simulate coal fired power plant flue gas system, when needing to test a certain device (or verifying)
When, it can directly be connected to the flue gas pollutant control test system or replace a certain in the flue gas pollutant control test system
Device.
Further, the flue gas pollutant control test system further includes the first cigarette being arranged on the flue gas pipeline 10
Gas temperature-regulating module 50, the first flue gas temperature-regulating module 50 are located at the upstream of the denitration module 20.The first flue gas temperature adjustment
Exhaust gas temperature can be down to 270 DEG C by 320 DEG C by module 50, and guarantee to realize that outlet smoke temperature is continuous between 320 DEG C to 270 DEG C
It is adjustable, and the first flue gas temperature-regulating module 50 is provided with setting gas bypass.
In addition, the flue gas pollutant control test system further includes the second flue gas being arranged on the flue gas pipeline 10
Temperature-regulating module 60, flue gas of the second flue gas temperature-regulating module 60 between the denitration module 20 and the dedusting module 30
On pipeline 10.Specifically, the second flue gas temperature-regulating module 60 includes the level-one register for being series at the flue gas pipeline 10
61 and second level register 62, the level-one register 61 be located at the upstream of the second level register 62.The level-one tune
Smoke temperature can be down to 130 DEG C by 350 DEG C by warm device 61, and smoke temperature can be down to 75 by 130 DEG C by the second level register 62
DEG C, and gas bypass is set.Gas cooler water part original low-level (stack-gas) economizer entrance condensed water side-draw, respectively enters the first flue gas
Temperature-regulating module 50, level-one register 61 and second level register 62 are back to former low-level (stack-gas) economizer outlet main pipe after heating.
Further, the flue gas pollutant control test system further includes the air inducing mould being arranged on the flue gas pipeline 10
Block 70, the air inducing module 70 is on the flue gas pipeline 10 between the dedusting module 30 and the desulfurization module 40, air inducing
Module 70 can promote the flowing of flue gas.
Further, the flue gas pollutant control test system further includes that the wet type being arranged on the flue gas pipeline 10 is removed
Dirt module 80, the wet dust removal module 80 are located at the downstream of the desulfurization module 40.The dedusting module 30 is preferably that electricity removes
Dirt device, so wet dust removal module 80 here is different from dedusting module 30.The two plays different effects respectively.
For the ease of the performance of verification test device, it is provided on the flue gas pipeline 10 several for connecting fume treatment
The verifying interface of device；Verifying interface can be connected to the experimental rig for needing to verify, when not in use using lid seals.
It should be noted that modules are all made of with coal fired power plant flue gas system specification into certain ratio in present embodiment
On the other hand the detachable apparatus of example can simulate the true ring of coal fired power plant flue gas system on the one hand convenient for the implementation of test
Border, the accuracy of guarantee test.Flue gas pollutant control test system in present embodiment is suitable for newly-built, the coal-fired electricity of transformation
It stands the design of flue gas pollutant minimum discharge, and the flue gas pollutant control test system is equally applicable to pulverized-coal fired boiler, follows
Circulation fluidized bed boiler etc..
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
To various combinations of possible ways, no further explanation will be given.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the protection scope of the utility model.
Claims (10)
1. a kind of flue gas pollutant control test system, which is characterized in that the flue gas pollutant control test system includes cigarette
Air pipe (10), denitration module (20), dedusting module (30) and desulfurization module (40),
The denitration module (20), the dedusting module (30) and the desulfurization module (40) are detachably arranged in described
Flue gas pipeline (10), and testing flue gas can be from one end of the flue gas pipeline (10) into the flue gas pipeline (10), and passes through
From the another of the flue gas pipeline (10) after the denitration module (20), the dedusting module (30) and the desulfurization module (40)
One end outflow.
2. flue gas pollutant control test system according to claim 1, which is characterized in that the denitration module (20),
The dedusting module (30) and the desulfurization module (40) press from the entrance of the flue gas pipeline (10) to the sequence exported according to
Secondary setting.
3. flue gas pollutant control test system according to claim 2, which is characterized in that the flue gas pollutant control
Pilot system further includes the first flue gas temperature-regulating module (50) being arranged on the flue gas pipeline (10), the first flue gas temperature adjustment
Module (50) is located at the upstream of the denitration module (20).
4. flue gas pollutant control test system according to claim 2, which is characterized in that the flue gas pollutant control
Pilot system further includes the second flue gas temperature-regulating module (60) being arranged on the flue gas pipeline (10), the second flue gas temperature adjustment
Module (60) is on the flue gas pipeline (10) between the denitration module (20) and the dedusting module (30).
5. flue gas pollutant control test system according to claim 4, which is characterized in that the second flue gas temperature adjustment mould
Block (60) includes the level-one register (61) and second level register (62) for being series at the flue gas pipeline (10), the level-one
Register (61) is located at the upstream of the second level register (62).
6. flue gas pollutant control test system according to claim 2, which is characterized in that the flue gas pollutant control
Pilot system further includes the air inducing module (70) being arranged on the flue gas pipeline (10), and the air inducing module (70) is located at described
On flue gas pipeline (10) between dedusting module (30) and the desulfurization module (40).
7. flue gas pollutant control test system according to claim 2, which is characterized in that the flue gas pollutant control
Pilot system further includes the wet dust removal module (80) being arranged on the flue gas pipeline (10), the wet dust removal module (80)
Positioned at the downstream of the desulfurization module (40).
8. flue gas pollutant control test system described in -7 any one according to claim 1, which is characterized in that the flue gas
It is provided on pipeline (10) several for connecting the verifying interface of flue gas processing device；
And/or
The dedusting module (30) is electric precipitator.
9. flue gas pollutant control test system described in -7 any one according to claim 1, which is characterized in that the denitration
Module (20) includes the SCR reactor for being series at the flue gas pipeline (10), and at least two layers is provided in the SCR reactor and is taken off
Denox catalyst layer and at least one layer of demercuration catalyst layer.
10. flue gas pollutant control test system described in -7 any one according to claim 1, which is characterized in that the cigarette
The smoke inlet of air pipe (10) is provided with the first pipe interface, and first pipe interface can be connected to the flue gas of coal fired power plant
System, and receive the flue gas at economizer rear in the flue gas system；
The exhanst gas outlet of the flue gas pipeline (10) is provided with the second pipe interface, and second pipe interface can be connected to described
Flue gas system, and flue gas is delivered to the desulfurizing tower gas approach of the flue gas system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441106.9U CN208865425U (en) | 2018-03-29 | 2018-03-29 | Flue gas pollutant control test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820441106.9U CN208865425U (en) | 2018-03-29 | 2018-03-29 | Flue gas pollutant control test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208865425U true CN208865425U (en) | 2019-05-17 |
Family
ID=66461065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820441106.9U Active CN208865425U (en) | 2018-03-29 | 2018-03-29 | Flue gas pollutant control test system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208865425U (en) |
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2018
- 2018-03-29 CN CN201820441106.9U patent/CN208865425U/en active Active
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