CN110208452A - A kind of denitrating catalyst Performance Test System and method cooperateing with allotment dust content and temperature - Google Patents
A kind of denitrating catalyst Performance Test System and method cooperateing with allotment dust content and temperature Download PDFInfo
- Publication number
- CN110208452A CN110208452A CN201910417757.3A CN201910417757A CN110208452A CN 110208452 A CN110208452 A CN 110208452A CN 201910417757 A CN201910417757 A CN 201910417757A CN 110208452 A CN110208452 A CN 110208452A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- valve
- temperature
- denitrating catalyst
- allotment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 43
- 239000003054 catalyst Substances 0.000 title claims abstract description 38
- 238000011056 performance test Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000003546 flue gas Substances 0.000 claims abstract description 101
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 86
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 43
- 239000000779 smoke Substances 0.000 claims abstract description 37
- 239000012716 precipitator Substances 0.000 claims abstract description 28
- 239000000498 cooling water Substances 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 16
- 238000005453 pelletization Methods 0.000 claims abstract description 10
- 238000010790 dilution Methods 0.000 claims description 16
- 239000012895 dilution Substances 0.000 claims description 16
- 239000013618 particulate matter Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000010998 test method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention relates to the denitrating catalyst Performance Test Systems that can cooperate with allotment dust content and temperature, including smoke heat exchanging system, dust pelletizing system, flue gas/ammonia hybrid system, reactor assembly and each control valve；Flue gas enters smoke heat exchanging system by former gas inlet isolating valve and deduster bypasses, and wherein smoke heat exchanging system includes circulating cooling water tank and flue gas heat-exchange unit；The input terminal of the output end connection dust pelletizing system of flue gas heat-exchange unit, the dust pelletizing system includes electric precipitator and ash bucket, and electric precipitator bottom is equipped with ash bucket；Ash bucket connects ash-transmission system, and the ash-transmission system includes auger and air-introduced machine, and ash bucket connects auger and unloading valve, and unloading valve connects air-introduced machine and smoke backflow isolating valve.The beneficial effects of the present invention are: the present invention can cooperate with the dustiness and temperature of allotment flue gas, examine under wide smoke temperature range, wide dust content range of condition, the performance of denitrating catalyst and the influence to denitrating catalyst service life and physicochemical property.
Description
Technical field
The present invention relates to a kind of flue gas denitrification system, more particularly to a kind of it can cooperate with the de- of allotment dust content and temperature
Denox catalyst Performance Test System and method.
Background technique
Coal fired power plant low NOx combusting technology and NOx cleaning draining technology are widely used.It is de- in numerous tail flue gas
In nitre technology, SCR technology is used by most coal fired power plants.Pass through nitrogen oxides in effluent and reduction
Under the action of denitrating catalyst redox reaction occurs for agent, and pollutant NOx is converted to N2And H2O.However denitrating catalyst
There is service life limitation, works by the high load capacity of 2-3, the decline of denitrating catalyst performance, physicochemical property change,
It need to be regenerated or be abandoned processing.Extensive use with national grid EHV transmission technology, " depth peak regulation " policy simultaneously
Implement in full, some areas coal fired power plant rate of load condensate degradation, hours of operation are die-offed, unit be chronically at underload or
Under frequent varying duty state, cause boiler smoke tolerance, smoke temperature, flue gas composition and dustiness unstable etc. easily to the denitrating catalyst longevity
The problem of life and physicochemical property damage.Currently, rarely having both at home and abroad about dust content and smoke temperature to denitrating catalyst
The correlative study that can be influenced with physicochemical property, less favorably evaluates denitrating catalyst with station boiler actual condition flue gas
Pilot-plant.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, a kind of structurally reasonable, easy to use, economic reality is provided
With, can cooperate with allotment dust content and temperature denitrating catalyst Performance Test System and method.
Can cooperate with allotment dust content and temperature denitrating catalyst Performance Test System, including smoke heat exchanging system,
Dust pelletizing system, ash-transmission system, flue gas/ammonia hybrid system, reactor assembly and each control valve；Flue gas pass through former flue gas into
Mouth isolating valve enters smoke heat exchanging system and deduster bypass, and wherein smoke heat exchanging system includes that circulating cooling water tank and flue gas change
Hot device；The input terminal of the output end connection dust pelletizing system of flue gas heat-exchange unit, the dust pelletizing system include electric precipitator and ash bucket, electricity
Deduster bottom is equipped with ash bucket；Ash bucket connects ash-transmission system, and the ash-transmission system includes auger and air-introduced machine, and ash bucket connects auger
And unloading valve, unloading valve connect air-introduced machine and smoke backflow isolating valve；The output end of electric precipitator connects flue gas/ammonia mixed stocker
The input terminal of system, the flue gas/ammonia hybrid system include ammonia/dilution wind mixer and flue gas/ammonia mixer；Flue gas/ammonia
The output end of gas mixer connects reactor assembly, and the reactor assembly includes Benitration reactor and is placed in Benitration reactor
Denitrating catalyst, Benitration reactor is mainly made of in parallel Benitration reactor A and Benitration reactor B；Reactor assembly
Output end connects air-introduced machine.
As preferred: being equipped with recirculated cooling water outlet valve and recirculated cooling water between circulating cooling water tank and flue gas heat-exchange unit
Inlet valve.
As preferred: the input terminal of flue gas heat-exchange unit is equipped with heat exchanger inlet valve.
As preferred: deduster bypass is equipped with deduster bypass valve.
As preferred: the output end of electric precipitator is equipped with house outlet valve.
As preferred: ammonia/dilution wind mixer is equipped with ammonia isolating valve and dilution wind isolating valve.
As preferred: the input terminal of Benitration reactor A and Benitration reactor B are respectively equipped with reactor A inlet valve and reaction
Device B inlet valve.
The test method of the denitrating catalyst Performance Test System of allotment dust content and temperature can be cooperateed with, including following
Step:
1) former gas inlet isolating valve, deduster bypass valve, reactor A inlet valve or reactor B inlet valve, flue gas are opened
Flow back isolating valve and air-introduced machine, draws one operating condition after falling grey section from boiler economizer outlet, before Benitration reactor admission section
Flue gas enters system；
2) by adjusting the aperture of deduster bypass valve and heat exchanger inlet valve, to distribute into deduster bypass and cigarette
The flue gas flow of gas heat exchanger；A portion flue gas enters electric precipitator after flue gas heat-exchange unit exchanges heat and is dusted place
Reason, and flue gas heat-exchange unit outlet smoke temperature is controlled within the scope of electric precipitator best effort smoke temperature, the particulate matter being removed is fallen into
In the ash bucket of electric precipitator bottom, when ash bucket endoparticle object, which collects height, reaches high limit, auger and unloading valve are automatically turned on
Discharging, the backflow flue gas band back boiler that particulate matter is exported by air-introduced machine；Another part flue gas is then directly bypassed through deduster；Pass through
The pro rate of two-way flue gas, collaboration allotment dust content and temperature；
3) flue gas after heat exchange and dust removal process enters flue gas/ammonia after directly mixing through the flue gas of deduster bypass
Mixer, after prepared ammonia reducing agent mixes in ammonia/dilution wind mixer by a certain percentage, into denitration reaction
Device A and Benitration reactor B are reacted, and denitrating catalyst performance is examined；
4) flue gas after denitration process is back to boiler air preheater through air-introduced machine and is exported to deduster admission section.
As preferred: flue gas heat-exchange unit exports fibre selection at 135~145 DEG C.
The beneficial effects of the present invention are:
1, the present invention is a set of direct system that denitrating catalyst performance is examined using boiler actual condition flue gas.
2, the present invention can cooperate with the dustiness and temperature of allotment flue gas, examine wide smoke temperature range, wide dust content range item
Under part, the performance of denitrating catalyst and the influence to denitrating catalyst service life and physicochemical property.
3, it by the design of air-introduced machine, not only avoids pilot test system introducing flue gas flow and is unsatisfactory for asking for test requirements document
Topic, while solving the electric precipitator bottom particles object hidden danger that deposition and flue gas pipeline block for a long time, improve device security
And availability.
Detailed description of the invention
Fig. 1 is the denitrating catalyst Performance Test System schematic diagram that can cooperate with allotment dust content and temperature.
Description of symbols: former gas inlet isolating valve 1, deduster bypass valve 2, heat exchanger inlet valve 3, house outlet
Valve 4, circulating cooling water tank 5, flue gas heat-exchange unit 6, electric precipitator 7, ash bucket 8, auger 9, unloading valve 10, flue gas/ammonia mixer
11, ammonia/dilution wind mixer 12, ammonia isolating valve 13, dilution wind isolating valve 14, reactor A inlet valve 15, reactor B import
Valve 16, Benitration reactor A17, Benitration reactor B18, air-introduced machine 19, smoke backflow isolating valve 20, recirculated cooling water outlet valve
21, recirculated cooling water inlet valve 22.
Specific embodiment
The present invention is described further below with reference to embodiment.The explanation of following embodiments is merely used to help understand this
Invention.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
As shown in Figure 1, the denitrating catalyst Performance Test System for cooperateing with allotment dust content and temperature, packet
Include five systems such as smoke heat exchanging system, dust pelletizing system, ash-transmission system, flue gas/ammonia hybrid system, reactor assembly and each
Control valve.The smoke heat exchanging system includes circulating cooling water tank 5 and flue gas heat-exchange unit 6, and the dust pelletizing system is removed including electricity
Dirt device 7 and ash bucket 8；The ash-transmission system includes auger 9 and air-introduced machine 19；The flue gas/ammonia hybrid system includes ammonia/dilution
Wind mixer 12 and flue gas/ammonia mixer 11；The reactor assembly includes two Benitration reactors in parallel and is placed in de-
Denitrating catalyst in nitre reactor.Flue gas flow direction indicates that recirculated cooling water flow direction is referred to hollow arrow with solid arrow
Show.
Flue gas passes through former gas inlet isolating valve 1 and enters smoke heat exchanging system and deduster bypass；Smoke heat exchanging system packet
Circulating cooling water tank 5 and flue gas heat-exchange unit 6 are included, recirculated cooling water is equipped between circulating cooling water tank 5 and flue gas heat-exchange unit 6 and is discharged
The input terminal of valve 21, recirculated cooling water inlet valve 22, flue gas heat-exchange unit 6 is equipped with heat exchanger inlet valve 3；Deduster bypass is equipped with
Deduster bypass valve 2；The input terminal of the output end connection electric precipitator 7 of flue gas heat-exchange unit 6,7 bottom of electric precipitator is equipped with ash bucket
8, ash bucket 8 connects auger 9 and unloading valve 10, and unloading valve 10 connects air-introduced machine 19 and smoke backflow isolating valve 20；Electric precipitator 7
Output end connects flue gas/ammonia hybrid system by house outlet valve 4, and flue gas/ammonia hybrid system includes that ammonia/dilution wind is mixed
Clutch 12 and flue gas/ammonia mixer 11, ammonia/dilution wind mixer 12 are equipped with ammonia isolating valve 13 and dilution wind isolating valve 14；
Flue gas/ammonia mixer 11 output end connects reactor assembly, reactor assembly mainly by parallel Benitration reactor A17 and
The input terminal of Benitration reactor B18 composition, Benitration reactor A17 and Benitration reactor B18 are respectively equipped with reactor A inlet valve 15
With reactor B inlet valve 16；Reactor assembly output end connects air-introduced machine 19.
The test method of the denitrating catalyst Performance Test System for cooperateing with allotment dust content and temperature is such as
Under:
1) former gas inlet isolating valve 1, deduster bypass valve 2, reactor A inlet valve 15 or reactor B inlet valve are opened
16 (can also open simultaneously), smoke backflow isolating valve 20 and air-introduced machine 19 export after falling grey section, denitration reaction from boiler economizer
The operating condition flue gas that one smoke temperature is drawn before device admission section at 380 DEG C or so enters this system.
2) by adjust deduster bypass valve 2 and heat exchanger inlet valve 3 aperture, thus distribute into deduster bypass and
The flue gas flow of flue gas heat-exchange unit 6 has the function that Collaborative Control dust content and temperature.A portion flue gas passes through cigarette
Gas heat exchanger 6 enters electric precipitator 7 after exchanging heat and is dusted processing, and controls flue gas heat-exchange unit 6 and export smoke temperature in electric precipitator 7
Within the scope of best effort smoke temperature, the particulate matter being removed is fallen into the ash bucket 8 of 7 bottom of electric precipitator, when 8 endoparticle object of ash bucket
When collection height reaches high limit, auger 9 and unloading valve 10 automatically turn on discharging, the reflux cigarette that particulate matter is exported by air-introduced machine 19
Gas band back boiler.Another part flue gas is then directly bypassed through deduster.Pass through the pro rate of two-way flue gas, collaboration allotment flue gas
Dustiness and temperature.
3) flue gas after heat exchange and dust removal process enters flue gas/ammonia after directly mixing through the flue gas of deduster bypass
Mixer 11 can be by test after prepared ammonia reducing agent mixes in ammonia/dilution wind mixer 12 by a certain percentage
It is reacted it is required that entering Benitration reactor A17 and Benitration reactor B18, examines denitrating catalyst performance.
4) flue gas after denitration process is back to boiler air preheater through air-introduced machine 19 and is exported to deduster admission section.
Each component and pipeline are all made of high temperature resistant, anti-abrasive material in system.
Flue gas heat-exchange unit 6 exports smoke temperature and preferably controls at 140 ± 5 DEG C, so that electric precipitator 7 is made to reach best effort operating condition,
When electric precipitator 7 is when flue-gas temperature is 140 DEG C, denitration efficiency is up to 98% or more.
By controlling opening of valve and air-introduced machine power, flue gas flow rate in Benitration reactor is controlled, flue gas in reactor is made
Flow velocity and reactor size reduce in proportion with boiler actual condition, guarantee gas residence time.
Smoke backflow main pipe can suitably reduce caliber after air-introduced machine, thus accelerate the flue gas flow rate in smoke backflow main pipe,
To reach preferably defeated grey effect.
The concentration of ammonia is identical as industrial application holding in ammonia/dilution wind mixed gas, can also be by changing the dense of reducing agent
Degree seeks its influence to denitration effect.
The denitrating catalyst performance test methods of allotment dust content and temperature can be cooperateed with as follows:
By to the exhaust gas volumn for passing through flue gas heat-exchange unit 6 and electric precipitator 7 and the exhaust gas volumn for being directly over deduster bypass
Distribution, while adjusting the efficiency of dust collection of electric precipitator 7, the dustiness and temperature of allotment flue gas can be cooperateed with.By the operating condition of preparation
Flue gas and ammonia carry out redox reaction after mixing, into Benitration reactor, pass through reactor outlet CEMS system pair
The denitration performance that denitrating catalyst is directed under current working smoke behavior is tested.
If the practical flue gas smoke temperature drawn is 400 DEG C, flue-gas temperature is 140 DEG C after flue gas heat-exchange unit, former dust contained flue gas
Amount is 20000mg/m3, the controllable efficiency range of electric precipitator is 0-100%, then can cooperate with the dust content and temperature ginseng of allotment
Number see the table below:
Table 1 can cooperate with the dust content and temperature parameter of allotment
Claims (9)
1. the denitrating catalyst Performance Test System that one kind can cooperate with allotment dust content and temperature, which is characterized in that including
Smoke heat exchanging system, dust pelletizing system, ash-transmission system, flue gas/ammonia hybrid system, reactor assembly and each control valve；Cigarette
Gas passes through former gas inlet isolating valve (1) and enters smoke heat exchanging system and deduster bypass, and wherein smoke heat exchanging system includes following
Ring cooling water tank (5) and flue gas heat-exchange unit (6)；The input terminal of the output end connection dust pelletizing system of flue gas heat-exchange unit (6), it is described to remove
Dirt system includes electric precipitator (7) and ash bucket (8), and electric precipitator (7) bottom is equipped with ash bucket (8)；The defeated ash system of ash bucket (8) connection
System, the ash-transmission system include auger (9) and air-introduced machine (19), and ash bucket (8) connects auger (9) and unloading valve (10), unloading valve
(10) air-introduced machine (19) and smoke backflow isolating valve (20) are connected；The output end of electric precipitator (7) connects flue gas/ammonia mixed stocker
The input terminal of system, the flue gas/ammonia hybrid system include ammonia/dilution wind mixer (12) and flue gas/ammonia mixer (11)；
Flue gas/ammonia mixer (11) output end connects reactor assembly, and the reactor assembly includes Benitration reactor and is placed in
Denitrating catalyst in Benitration reactor, Benitration reactor is mainly by Benitration reactor A (17) and Benitration reactor B in parallel
(18) it forms；The output end of reactor assembly connects air-introduced machine (19).
2. the denitrating catalyst Performance Test System according to claim 1 for cooperateing with allotment dust content and temperature,
It is characterized in that, being equipped with recirculated cooling water outlet valve (21) between circulating cooling water tank (5) and flue gas heat-exchange unit (6) and recycling cold
But water inlet valve (22).
3. the denitrating catalyst Performance Test System according to claim 1 for cooperateing with allotment dust content and temperature,
It is characterized in that, the input terminal of flue gas heat-exchange unit (6) is equipped with heat exchanger inlet valve (3).
4. the denitrating catalyst Performance Test System according to claim 1 for cooperateing with allotment dust content and temperature,
It is characterized in that, deduster bypass is equipped with deduster bypass valve (2).
5. the denitrating catalyst Performance Test System according to claim 1 for cooperateing with allotment dust content and temperature,
It is characterized in that, the output end of electric precipitator (7) is equipped with house outlet valve (4).
6. the denitrating catalyst Performance Test System according to claim 1 for cooperateing with allotment dust content and temperature,
It is characterized in that, ammonia/dilution wind mixer (12) is equipped with ammonia isolating valve (13) and dilution wind isolating valve (14).
7. the denitrating catalyst Performance Test System according to claim 1 for cooperateing with allotment dust content and temperature,
It is characterized in that, the input terminal of Benitration reactor A (17) and Benitration reactor B (18) are respectively equipped with reactor A inlet valve (15)
With reactor B inlet valve (16).
8. the denitrating catalyst Performance Test System that one kind can cooperate with allotment dust content and temperature as described in claim 1
Test method, which comprises the following steps:
1) former gas inlet isolating valve (1), deduster bypass valve (2), reactor A inlet valve (15) or reactor B import are opened
Valve (16), smoke backflow isolating valve (20) and air-introduced machine (19) export after falling grey section, Benitration reactor import from boiler economizer
One operating condition flue gas is drawn before section enters system；
2) by adjust deduster bypass valve (2) and heat exchanger inlet valve (3) aperture, thus distribute into deduster bypass with
The flue gas flow of flue gas heat-exchange unit (6)；A portion flue gas enters electric precipitator (7) after flue gas heat-exchange unit (6) exchange heat
It is dusted processing, and controls flue gas heat-exchange unit (6) outlet smoke temperature within the scope of electric precipitator (7) best effort smoke temperature, quilt
The particulate matter of removing is fallen into the ash bucket (8) of electric precipitator (7) bottom, is collected height when ash bucket (8) endoparticle object and is reached high limit
When position, auger (9) and unloading valve (10) automatically turn on discharging, the backflow flue gas band twice-cooked stir-frying that particulate matter is exported by air-introduced machine (19)
Furnace；Another part flue gas is then directly bypassed through deduster；By the pro rate of two-way flue gas, collaboration allotment dust content and
Temperature；
3) flue gas after heat exchange and dust removal process enters flue gas/ammonia after directly mixing through the flue gas of deduster bypass and mixes
Device (11), after prepared ammonia reducing agent mixes in ammonia/dilution wind mixer (12) by a certain percentage, into denitration
Reactor A (17) and Benitration reactor B (18) are reacted, and denitrating catalyst performance is examined；
4) flue gas after denitration process is back to boiler air preheater through air-introduced machine (19) and is exported to deduster admission section.
9. the denitrating catalyst Performance Test System according to claim 8 for cooperateing with allotment dust content and temperature
Test method, which is characterized in that flue gas heat-exchange unit (6) exports fibre selection at 135~145 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417757.3A CN110208452A (en) | 2019-05-20 | 2019-05-20 | A kind of denitrating catalyst Performance Test System and method cooperateing with allotment dust content and temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417757.3A CN110208452A (en) | 2019-05-20 | 2019-05-20 | A kind of denitrating catalyst Performance Test System and method cooperateing with allotment dust content and temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110208452A true CN110208452A (en) | 2019-09-06 |
Family
ID=67787791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910417757.3A Pending CN110208452A (en) | 2019-05-20 | 2019-05-20 | A kind of denitrating catalyst Performance Test System and method cooperateing with allotment dust content and temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110208452A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801723A (en) * | 2019-10-17 | 2020-02-18 | 浙江浙能技术研究院有限公司 | Method for removing SO in coal-fired flue gas by base injection3Pilot test device and method |
| CN110960970A (en) * | 2019-11-28 | 2020-04-07 | 浙江浙能技术研究院有限公司 | Denitration catalyst pilot-scale test platform system capable of realizing real flue gas flexible conditioning |
| CN115343409A (en) * | 2022-08-02 | 2022-11-15 | 北京建筑材料科学研究总院有限公司 | Performance evaluation device of flue gas denitration catalyst |
| CN115469050A (en) * | 2022-07-22 | 2022-12-13 | 国能龙源催化剂江苏有限公司 | Test system and method for evaluating reaction performance of SCR (Selective catalytic reduction) catalyst |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309918A (en) * | 2011-03-14 | 2012-01-11 | 无锡华光锅炉股份有限公司 | Dedusting and denitration system for thermal power plant fire coal smoke |
| CN104324611A (en) * | 2014-10-29 | 2015-02-04 | 成都快典科技有限公司 | Flue gas SCR denitration system of thermal power plant |
| CN107448962A (en) * | 2017-08-10 | 2017-12-08 | 江苏鲲鹏环保工程技术有限公司 | A kind of outer denitrating technique system of chain furnace high/low temperature flue gas holding furnace |
| CN210294193U (en) * | 2019-05-20 | 2020-04-10 | 浙江浙能技术研究院有限公司 | Denitration catalyst performance test system capable of cooperatively adjusting dust content and temperature of flue gas |
-
2019
- 2019-05-20 CN CN201910417757.3A patent/CN110208452A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309918A (en) * | 2011-03-14 | 2012-01-11 | 无锡华光锅炉股份有限公司 | Dedusting and denitration system for thermal power plant fire coal smoke |
| CN104324611A (en) * | 2014-10-29 | 2015-02-04 | 成都快典科技有限公司 | Flue gas SCR denitration system of thermal power plant |
| CN107448962A (en) * | 2017-08-10 | 2017-12-08 | 江苏鲲鹏环保工程技术有限公司 | A kind of outer denitrating technique system of chain furnace high/low temperature flue gas holding furnace |
| CN210294193U (en) * | 2019-05-20 | 2020-04-10 | 浙江浙能技术研究院有限公司 | Denitration catalyst performance test system capable of cooperatively adjusting dust content and temperature of flue gas |
Non-Patent Citations (1)
| Title |
|---|
| 黄斐鹏, 《万方数据知识服务平台》, 19 December 2018 (2018-12-19), pages 2 - 2 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801723A (en) * | 2019-10-17 | 2020-02-18 | 浙江浙能技术研究院有限公司 | Method for removing SO in coal-fired flue gas by base injection3Pilot test device and method |
| CN110960970A (en) * | 2019-11-28 | 2020-04-07 | 浙江浙能技术研究院有限公司 | Denitration catalyst pilot-scale test platform system capable of realizing real flue gas flexible conditioning |
| CN115469050A (en) * | 2022-07-22 | 2022-12-13 | 国能龙源催化剂江苏有限公司 | Test system and method for evaluating reaction performance of SCR (Selective catalytic reduction) catalyst |
| CN115469050B (en) * | 2022-07-22 | 2024-03-29 | 国能龙源催化剂江苏有限公司 | Test system and method for evaluating reaction performance of SCR catalyst |
| CN115343409A (en) * | 2022-08-02 | 2022-11-15 | 北京建筑材料科学研究总院有限公司 | Performance evaluation device of flue gas denitration catalyst |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110208452A (en) | A kind of denitrating catalyst Performance Test System and method cooperateing with allotment dust content and temperature | |
| CN203944290U (en) | A kind of SCR flue gas denitrification system | |
| CN205145971U (en) | Coke oven flue gas desulfurization denitration dust removal integration system | |
| CN207591613U (en) | A kind of regenerated SCR system of low-temperature SCR catalyst | |
| CN210814723U (en) | High-temperature dust removal, desulfurization and denitrification device for cement kiln | |
| CN207654927U (en) | A kind of coke oven flue gas desulfurization and dedusting denitration coprocessing system | |
| CN103406006A (en) | SCR (Selective Catalytic Reduction) denitration device for NOx control of rotary cement kiln | |
| CN105698550A (en) | Sintering flue gas purification system and method achieving energy conservation and emission reduction | |
| CN107596798A (en) | A kind of pre- dedusting and desulphurization and denitration integrated treatment unit and method | |
| CN203494378U (en) | SCR (Selective Catalytic Reduction) denitration device for controlling NOx of rotary cement kiln | |
| CN205288101U (en) | Low temperature SCR reactor, flue gas low temperature deNOx systems and flue gas processing system | |
| CN214552547U (en) | Front-mounted cement kiln high-temperature high-dust flue gas SCR denitration device | |
| CN104534491A (en) | Ultralow-dust rear smoke channel system of boiler | |
| CN214552453U (en) | Coke oven flue gas active coke desulfurization and denitrification system | |
| CN207708812U (en) | A kind of coke oven flue gas denitration, desulfurization integrated processing unit | |
| CN201152535Y (en) | Multi-furnace one-tower flue gas desulfurization system containing peak regulation units | |
| CN108654374A (en) | A kind of ultra-clean Processing tecchnics system of flue gas | |
| CN206463755U (en) | A kind of gas pollutant integrated treatment unit | |
| CN210294193U (en) | Denitration catalyst performance test system capable of cooperatively adjusting dust content and temperature of flue gas | |
| CN210097394U (en) | Be used for cement kiln tail flue gas dust nitrogen oxide desorption system in coordination | |
| CN205815443U (en) | A kind of industry coal-boiler minimum discharge environmental protection island system | |
| CN205007830U (en) | Denitration dust pelletizing system of industrial stoves flue gas | |
| CN217909728U (en) | Coke oven flue gas SCR denitrification facility | |
| CN210951366U (en) | Waste heat recycling system of high-temperature fly ash | |
| CN213656805U (en) | Active burnt clean system of large-scale thermal power generating unit flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |