CN209271156U - A kind of flue gas purification system - Google Patents
A kind of flue gas purification system Download PDFInfo
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- CN209271156U CN209271156U CN201822046249.2U CN201822046249U CN209271156U CN 209271156 U CN209271156 U CN 209271156U CN 201822046249 U CN201822046249 U CN 201822046249U CN 209271156 U CN209271156 U CN 209271156U
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- flue gas
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- sda
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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 provides a kind of flue gas purification system, including TMSCR reactor, heat exchanger, SDA reactor, dust pelletizing system；The entrance of the outlet connection heat exchanger of the TMSCR reactor, the entrance of the outlet connection SDA reactor of heat exchanger, the outlet of SDA reactor connects the dust pelletizing system；The TMSCR reactor includes filter, and filter core is provided in the filter, has catalyst layer in filter core, and the TMSCR reactor is used to filter dust and denitration, de- dioxin in flue gas；The SDA reactor is used to remove the sour gas in flue gas.The utility model energy efficient removal dioxin, dust, NOx(oxynitrides), SO2(sulfur dioxide) etc. reduces the generation of dangerous waste.
Description
Technical field
The utility model belongs to environmental technology field, is related to a kind of flue gas purification system, be suitable for various rubbish, dangerous waste,
The purification of the flue gases of generations such as biomass burning, metal smelt, coking of coal.
Background technique
Traditional flue gas of refuse burning processing technique is SNCR (selective non-catalytic reduction technology) denitration in the stove+SDA (rotation
Spraying semidry method depickling)+dry method injection+activated carbon adsorption+bag-type dust+GGH (flue gas-flue gas heat-exchange unit)+SGH (steam-
Flue gas heat-exchange unit)+low-temperature SCR (SCR technology) denitration, denitration, de- dioxin and dedusting are separately handled, that is, are adopted
Denitration is carried out with SNCR+SCR and takes off dioxin, and SDA rotating spraying reaction tower and dry method injection carry out depickling gas, connect simultaneously
Bag filter is dusted, and a large amount of activated carbon adsorption dioxin and heavy metal are sprayed into bag filter preceding conduits.
Not only cost of investment is high for this technology, and de- dioxin low efficiency, active carbon demand are big；To prevent SCR reactor to be quickly invalidated,
SCR need to be arranged in behind SDA and bag filter, and need acidic gas concentration to drop very low, while it must also be in cigarette
180 DEG C of temperature or more could operate normally, so a large amount of thermal energy need to be consumed by flue gas, and need timing replacement cloth bag and catalysis
Agent, system operation cost, maintenance cost are all very high, but also unreliable, it is often more important that treated in this way flying dust dioxin
Content is very high.
Summary of the invention
The purpose of this utility model is to provide a kind of flue gas purification systems, can efficient removal dioxin, dust, NOx(nitrogen
Oxygen compound), SO2(sulfur dioxide) etc. reduces the generation of dangerous waste.
Flue gas purification system provided by the utility model, including TMSCR reactor, heat exchanger, SDA reactor, dedusting system
System；The entrance of the outlet connection heat exchanger of the TMSCR reactor, the entrance of the outlet connection SDA reactor of heat exchanger, SDA
The outlet of reactor connects the dust pelletizing system；The TMSCR reactor includes filter, and filter is provided in the filter
Core, filter core is interior to have catalyst layer, and the TMSCR reactor is used to filter dust and denitration, de- dioxin in flue gas；
The SDA reactor is used to remove the sour gas in flue gas.
The TMSCR reactor of the utility model can be run at high temperature, spray into ammonium hydroxide in TMSCR reactor, ammonium hydroxide with
Flue gas is mixed into filter, and dust first is filtered by filter, cannot be introduced into inside filter core, and mixed flue gas enters inside filter core
Afterwards, the catalyst action of the catalyst layer in filter core, NOx(oxynitrides) reacts with ammonium hydroxide, generation N2 and water, and two
It dislikes English and is then completely decomposed into CO2, H2O and HCl under the effect of the catalyst, without reprocessing, and do not consume active carbon, remove
99.9% dust, 95% NOx, 99.5% dioxin.SDA is cooled to by heat exchanger by the flue gas of TMSCR reactor
Temperature needed for reactor carries out depickling processing in SDA reactor, and guarantee acid gas removal rate is 95% or more, then
Flue gas enters dust that dust pelletizing system generates depickling in addition to 99.9%.Place is dusted due to synchronizing in TMSCR reactor
Reason, substantially reduces the dust in flue gas, when so that flue gas entering heat exchanger, the low temperature of dioxin can not be carried out because lacking carbon source
Predecessor catalysis reaction and de novo formation reaction.
For the de novo formation reaction for controlling dioxin, the synthesis of dioxin is reduced, further includes dry method spraying system, it is described
TMSCR reactor is connect by dry method spraying system with heat exchanger, that is, the outlet of TMSCR reactor and dry method spraying system
Entrance connection, the outlet of the dry method spraying system is connect with heat exchanger；The dry method spraying system is for further removing cigarette
The removal of HCL in gas, HCL, so that the de novo formation reaction of dioxin lacks available chlorine source.Meanwhile when opening furnace, flue gas
Temperature it is too low, TMSCR reactor is limited to the processing of flue gas, and the utility model takes off flue gas by dry method spraying system
Acid, while de- dioxin processing can also be carried out, so that the flue gas emission between opening the furnace period can also be up to standard.
Dry purification process will reach higher reactivity and gas-solid mixing consistency, and adsorbent must have biggish ratio
The consistency of surface area and granularity.Therefore, adsorbent sodium bicarbonate must be ground to certain fineness.The present invention enters dry method spray
It is mixed with sodium bicarbonate or calcium hydroxide in flue gas after penetrating system, fineness D90 < 35 μm of sodium bicarbonate or calcium hydroxide, HCL's
Removal rate is up to 99%.
To further increase discharge standard, the utility model further includes activated carbon adsorption system, and the dust pelletizing system goes out
Mouth is connect with the entrance of activated carbon adsorption system, the dioxin and acidity that activated carbon adsorption system is adsorbed heavy metal and do not eliminated
Gas.Activated carbon adsorption system described in the utility model uses fixed bed form.The active carbon of activated carbon adsorption system is column
Active carbon.
Dust pelletizing system of the invention is bag filter.For improve TMSCR reactor working effect, the invention also includes
The outlet of electric precipitator, the electric precipitator is connect with the entrance of the TMSCR reactor, and flue gas is first removed by electric precipitator
Dirt is lowered into the dustiness of the flue gas of TMSCR reactor.
The utility model can realize technique: flue gas initially enters TMSCR reactor, is dusted to flue gas, denitration, de- two
Dislike English；Cooling processing is carried out to the flue gas after TMSCR reactor for treatment；Cooling treated flue gas is sent into SDA reactor,
To deacidifying flue gas, to depickling, treated that flue gas is dusted processing.
99.9% dust, 95% NO are removed in TMSCR reactorx, 99.5% dioxin.In SDA reactor
Carry out depickling processing, guarantee acid gas removal rate 95% or more, then to flue gas ash removal, dust that depickling is generated in addition to
99.9%.It is dusted processing due to synchronizing in TMSCR reactor, substantially reduces the dust in flue gas, so that flue gas enters
When heat exchanger, the low temperature predecessor catalysis reaction and de novo formation reaction of dioxin can not be carried out because lacking carbon source.
The utility model is adapted to the flue gas of the generations such as various rubbish, dangerous waste, biomass burning, metal smelt, coking of coal
Purification, can efficient removal dioxin, dust, heavy metal, NOx(oxynitrides), SO2(sulfur dioxide), HCl (hydrogen chloride)
Equal sour gas；And craft science is reasonable, operating cost is low；Low energy consumption, and energy utilization rate is high；Stable and reliable operation, operation
Simply, failure rate is low.
The utility model high-efficiency multi-stage removes multicomponent pollutant in flue gas, meets the following more harsh discharge standard:
(1) system flow is simple, easy to maintain, and operating cost at least reduces 50% every year.(2) the complete catalytic pyrolysis two of catalyst is disliked
English, removing is thorough, and removal efficiency > 99.5%, dangerous waste amount are few.(3) catalyst is protected by cartridge surface filter layer, avoids being catalyzed
Agent failure poisoning, average life span > 5 year.(4) semi-dry desulphurization, it is high-efficient, meet ultra-clean discharge standard.(5) denitration dust collecting is imitated
Rate is high, and denitration efficiency greatly prolongs active in later active charcoal fixed bed up to 95%, gas dust content < 10mg/Nm3 after processing
The service life of charcoal.(6) energy utilization rate is high, and flue-gas temperature can be reduced to 110 degree of discharges.(7) greatly reduce and belong to dangerous waste
Flying dust amount, the flying dust yield for belonging to dangerous waste is seldom, reduces the flying dust cost of disposal for belonging to dangerous waste, while also destroying dioxin
The condition of low temperature synthesis, greatly reduces the original emission of dioxin, to realize that the near-zero release of dioxin has created below
Sharp condition.
Detailed description of the invention
Fig. 1 is Tthe utility model system figure.
In figure: 1-TMSCR reactor；2- dry method spraying system；3-SDA reactor；4- bag filter；5- active carbon is inhaled
Attached system.
Specific embodiment
The utility model is using advanced high temperature TMSCR (too cotton catalyzed filter element integrated purifying) gas purification+dry method spray
+ SDA depickling+bag filter+activated carbon and fixed bed adsorption technology is penetrated, can use dry method injection saleratus power between opening the furnace period
Depickling and de- dioxin are carried out, starts main technique after smoke temperature is normal, is taken off simultaneously using TMSCR reactor in a temperature range
Nitre, de- dioxin and dedusting, spray SO in saleratus power and SDA efficient removal gas using dry method2And sour gas, utilize cloth
The further dedusting of bag dust collector, the dioxin and sour gas for adsorbing heavy metal into activated carbon and fixed bed, not eliminating.
As shown in Figure 1, the flue gas purification system of the utility model includes TMSCR reactor 1, dry method spraying system 2, heat exchange
Device 6, SDA reactor 3, bag filter 4, activated carbon adsorption system 5.
1, TMSCR reactor
In the utility model TMSCR reactor, ammonium hydroxide is mixed with flue gas, the reaction of nitrogen oxides in ammonium hydroxide and flue gas, real
Existing denitration.The denitration principle and SNCR of TMSCR reactor are essentially identical.
TMSCR reactor is mainly made of filter and Multifunctional filter element, and filter core packet layout is in filter head housings body.It is more
Functional filter element is that the coating of nanoscale composite catalyst is sintered in shape inside the aluminium silicate salt composite structural filter of high porosity
At catalyst filtration layer (about 20 millimeters), de- dioxin, denitration and dedusting can be achieved at the same time.It is discharged according to GB18485-2014
3.5 definition to clinker in standard, the ash under TMSCR reactor can enter clinker, so really belonging to the flying dust of dangerous waste
Amount will greatly reduce.The too cotton high-temperature filter that Tai Mian company can be used in TMSCR reactor is realized.
The flue gas for being mixed with reducing agent (ammonium hydroxide etc.) enters reactor, by the filter core for the filter being mounted in reactor
When, the dust in flue gas is intercepted at the surface filtration layer of filter core, and the flue gas after dedusting enters inside filter core, multiple inside filter core
Under the catalyst action for closing catalyst layer, the NO in flue gasxN is generated by reaction2And vapor, dioxin, which is decomposed, generates CO2With
After vapor, reactor is discharged.The utility model passes through the powder that the cartridge surface of TMSCR reactor under purge gas blowback intercepts
Dirt realizes on-line regeneration to filter core.
(1) dedusting:
Dusty gas enters filter from dust removal filter lower part, enters filter core, solid dust quilt from the outer surface of filter material
Filter material is retained in the outer surface of filter material.Filtered clean gas passes upward through tube sheet discharge filter shell.It is arranged when reaching
The filtering pressure drop of setting blowback time or filter reaches setting value, starts blowback program, to filter core blowback.From filter in blowback
The solid dust of wicking surface removing is deposited on the cone bottom dust accumulation room of filter.
The utility model used based on the time, was aided with pressure difference control blowback, i.e., filtering reaches setting time or pressure difference reaches
To setting value, (initial setting is 30 minutes blowback periods and 2.5kPa blowback pressure differential resetting value, and two parameter is adjustable, to reach in advance
Blowback is carried out to person), blowback is carried out automatically, without human intervention；TMSCR reactor is made of multiple groups filter core, and every group of filter core is set
A blowback pulse valve is set, timing control carries out online pulse cleaning to filter core when blowback carries out.
(2) denitration:
The utility model, according to the requirement of different load, is controlled ammonia inlet amount and is sent into reaction by metering and regulating device
Device.Under catalyst action in filter core selectively with the NO in flue gasxIt chemically reacts, generates nitrogen and water.
4NO+4NH3+O2→4N2+6H2O (main reaction)
6NO2+8NH3→7N2+12H2O
(3) dioxin is taken off:
Dioxin is completely decomposed into CO under the effect of the catalyst2、H2O and HCl without reprocessing, and does not consume activity
Charcoal.
For the working efficiency for improving TMSCR reactor, electric precipitator can be arranged in TMSCR reactor, utilize electric precipitation
Device is dusted operation to the dust in flue gas, is lowered into the dustiness of the flue gas of TMSCR reactor.
2, dry method spraying system
Using the dry FGD process reaction equation of sodium bicarbonate:
2NaHCO3=Na2CO3+H2O+CO2
NaHCO3+ HCl=NaCl+CO2+H2O
Na2CO3+SO3=Na2SO4+CO2
Na2CO3+ 2HCl=2NaCl+H2O+CO2
Na2CO3+ 2HF=2NaF+H2O+CO2
Dry method spraying system realizes flue gas dry cleaning technique, and sodium bicarbonate fine powder is injected directly into high-temperature flue gas, a side
Absorption is directly reacted in face with acid contaminant, and on the other hand sodium bicarbonate decomposes and generates sodium carbonate Na at high temperature2CO3、H2O and
CO2, further reacted with the acid contaminant in flue gas.Due to decomposing the sodium carbonate Na generated in high-temperature flue gas2CO3(particle is received
Riceization) there is the reactivity of height generating moment, need to ensure being sufficiently mixed and reacting for high-temperature flue gas and adsorbent powder,
Purifying property is ensured with slight excess of sodium bicarbonate.
Dry purification process will reach higher reactivity and gas-solid mixing consistency, and adsorbent must have biggish ratio
The consistency of surface area and granularity.Therefore before injecting flue, adsorbent sodium bicarbonate must be ground to certain fineness,
Generally remove SO2, sodium bicarbonate fineness will reach 20 μm of D90 <, then require 35 μm of D90 < for removal HCl.When gas cleaning
Temperature can remove 95% or more SO at 200-300 DEG C or so2；The removal rate of HCl is up to 99%.
In short, adsorbent needs on-line operation with the flue gas dry cleaning equipment and system that sodium bicarbonate is primary raw material,
The temperature parameter of compatible desulfurization dechlorination process, and process flow is simple, equipment is durable and system intelligent, it is net with other flue gases
Change mode is compared, its investment and operation cost is lower.It is of course also possible to use injection Ca (OH)2Mode.
3, SDA reactor and bag filter
SDA reactor desulfurization uses Ca (OH)2Powder makees absorbent, and SDA reactor and the prior art are almost the same.SDA is anti-
Device is answered to match with bag filter, bag filter exit gas temperature is more than or equal to 150 DEG C when normal operation, and ensures tail
Portion's flue gas does not condense.
Air leak rate of air curtain guarantee value≤2% of body of deduster；Running resistance design value≤1200Pa of deduster, guarantee value≤
1500Pa.Dust remover roof maintenance door is double-layer structure, to prevent corrosion of the cool ambient air to upper box.Bag filter is set
Active carbon jetting device is set, reaches discharge standard with harmful substances such as the contents that guarantees dioxin and heavy metal.Active carbon storage
There are in active carbon storehouse.
4, activated carbon adsorption system.
In the flue gas handled by previous process, containing harmful substances such as a small amount of dioxin and heavy metal, active carbon is inhaled
Adsorption device can effectively remove the harmful substances such as dioxin and the heavy metal in flue gas, and flue gas emission is made to reach discharge index.
Activated carbon adsorption system uses fixed bed form.Effectively the dioxin contained in flue gas can be absorbed.
For convenience of replacement, it is set as drawer type reactor, quickly active carbon used in adsorption tower can be replaced.Active carbon
Adsorption system setting is effective to be kept the temperature to guarantee that temperature is maintained at the temperature most beneficial for active carbon absorption dioxin.In order to guarantee
In the case where long-term, continuous operation, the high efficiency of active carbon, it is necessary to using high adsorption, high-intensitive active carbon.Prevent by
Enter smoke stack emission in the active carbon powder carrying dioxin that intensity is inadequate to be generated and enters atmosphere.In order to reduce the resistance of system
Power, the utility model have selected column-shaped active carbon, while guaranteeing to come into full contact with flue gas, also effectively reduce the resistance of system
Power.
Flue gas passes through TMSCR reactor first, removes 99.9% dust, 95% NOx, 99.5% dioxin.So
Enter dry method spraying system afterwards, carry out preliminary depickling, hydrogen chloride, hydrogen fluoride and sulphur oxidation can be removed in dry method spraying system
Object.Flue gas after dry-process deacidification enters boiler heat-exchanger, and smoke temperature is reduced to 160 degree and enters back into the further depickling of SDA reactor,
When dry-process deacidification the complete deacidification agent of unreacted SDA reactor humidification after activity increase, and and injection depickling slurries together into
Acid gas removal is guaranteed that smoke temperature 95% or more, is reduced to 130 degree or so by acid gas removal rate by one step；Then cigarette
Gas enters dust that bag filter generates depickling in addition to 99.9%；The flue gas that deduster comes out enters activated carbon adsorption system
The dioxin and sour gas for adsorbing heavy metal, not eliminating；Then atmosphere is discharged into from chimney, realizes the discharge of flue gas ultra-clean.130
Spend region and dust concentration it is low in the case where active carbon adsorption efficiency highest.Containing in activated carbon adsorption system outlet flue gas
Dust quantity is less than 10mg/Nm3, NOxContent is less than 50mg/Nm3, SO2Content is less than 50mg/Nm3, HCL content is less than 10mg/Nm3, two
It dislikes English content and is less than 0.1ng.TEQ/Nm3。
Due to the higher cost of dry method spray technology, the utility model can be handled without dry method spraying system, that is, cigarette
Gas enters heat exchanger after TMSCR reactor, and SDA reactor is sent into after heat exchanger cools down.It is handled by dry method spraying system
It is more advantageous to the ultra-clean discharge for realizing flue gas.
Between opening the furnace period, since temperature is lower, TMSCR reactor, SDA reactor temperature do not reach requirement, handle energy
Power is lower, and the utility model can start dry method spraying system between opening the furnace period, is taken off using dry method injection saleratus power etc.
Sour and de- dioxin, dioxin is adsorbed by saleratus power, after smoke temperature is normal, flue gas through TMSCR reactor, SDA reactor at
Reason, dry method spraying system is out of service, thus save the cost.
When ignition temperature be higher than 800 DEG C, when the residence time is more than 2s, in flue gas the resolution ratio of dioxin reach 99% with
On.Therefore, under the burning condition of good organization, guarantee that ignition temperature is higher than 800 DEG C and the residence time is greater than 2s, the overwhelming majority
Entering the dioxin that furnace rubbish is brought into can be decomposed, and seldom enter in incineration ashes.After dioxin majority in flue gas emission is
The catalysis reaction of phase low temperature predecessor generates or from the beginning reaction generates.
The low temperature predecessor mechanism of catalytic reaction of dioxin is generated between 200~500 DEG C: the low temperature forerunner of dioxin
Object catalysis reaction include the heterocatalysis of the generation of gas phase predecessor, gas phase predecessor and ash surface absorption predecessor generate and
The generation of solid phase predecessor.The predecessor of low-temperature catalyzed reaction can be the chemical structures such as chlorophenol, chlorobenzene and dioxin is similar
Predecessor is also possible to the not chlorinated organics of molecular structure dissmilarity, such as aliphatic compound, aromatic compound, acetylene
With propylene etc..Chlorobenzene and chlorophenol are representative predecessor.Since flue-gas temperature is relatively low, the dioxin of gas phase reaction generation
Seldom, it is 280~450 DEG C that PCDD/Fs, which most preferably generates temperature,.It is mainly ash surface catalysis in the dioxin that the temperature section generates
What effect generated.The utility model utilizes TMSCR reactor before key temperatures range using flying dust separating at high temperature technology
Dedusting reduces the fly ash content of flue gas, and the discharge of dioxin can be effectively reduced.In the prior art, dedusting is placed on technique back segment,
A large amount of dioxin is generated based on ash surface catalytic action, increases processing cost.
Dioxin can also be by the not similar compound such as polyvinyl chloride of chemical structure or such as polyphenyl of the organic matter without chlorine
Ethylene, cellulose, lignin, coal and granulated carbon react generation with chlorine source.More importantly the elements such as carbon, hydrogen, oxygen and chlorine pass through
Elementary reaction generates dioxin, and the chlorine needed for de novo formation reaction, which is mainly reacted by DeaconProcess, to be generated, that is, is being catalyzed
Under the action of agent (Cu2+), it is transformed from HCl.When " denovo " reaction generates dioxin (300 DEG C of optimal reaction temperature), fly
Ash can be counted as carbon source, catalyst and chlorine source.The oxidation reaction of carbon can form PCDDs and PCDFs on particle.HCl's deposits
It is being the necessary condition of dioxin de novo formation.The utility model is gone out HCL by dry method spraying system, reduces the HCL of flue gas
Amount be finally reached the purpose for reducing dioxin to destroy the condition that dioxin synthesizes again.The dry method of the prior art is sprayed
It penetrates technique to be arranged after SDA semidry method depickling, plays the role of assisting depickling, the de novo formation reaction of dioxin can not be solved
Problem.
The traditional handicraft contrast table of the utility model and background technique:
Claims (8)
1. a kind of flue gas purification system, it is characterised in that: including TMSCR reactor, heat exchanger, SDA reactor, dust pelletizing system；
The entrance of the outlet connection heat exchanger of the TMSCR reactor, the entrance of the outlet connection SDA reactor of heat exchanger, SDA reaction
The outlet of device connects the dust pelletizing system；The TMSCR reactor includes filter, and filter core is provided in the filter, filter
In-core has catalyst layer, and the TMSCR reactor is used to filter dust and denitration, de- dioxin in flue gas；It is described
SDA reactor is used to remove the sour gas in flue gas.
2. flue gas purification system as described in claim 1, it is characterised in that: further include dry method spraying system, the TMSCR is anti-
Device is answered to connect by dry method spraying system with heat exchanger, that is, the outlet of TMSCR reactor and the entrance of dry method spraying system connect
It connects, the outlet of the dry method spraying system is connect with heat exchanger；The dry method spraying system is for further removing in flue gas
HCL。
3. flue gas purification system as claimed in claim 2, it is characterised in that: into being mixed in the flue gas after dry method spraying system
Fineness D90 < 35 μm of sodium bicarbonate or calcium hydroxide, sodium bicarbonate or calcium hydroxide.
4. flue gas purification system as claimed in claim 1,2 or 3, it is characterised in that: it further include activated carbon adsorption system, it is described
The outlet of dust pelletizing system is connect with the entrance of activated carbon adsorption system.
5. flue gas purification system as claimed in claim 4, it is characterised in that: the activated carbon adsorption system uses fixed bed shape
Formula.
6. flue gas purification system as claimed in claim 4, it is characterised in that: the active carbon of the activated carbon adsorption system is column
Shaped activated carbon.
7. flue gas purification system as claimed in claim 1,2 or 3, it is characterised in that: the dust pelletizing system is bag filter.
8. flue gas purification system as claimed in claim 1,2 or 3, it is characterised in that: it further include electric precipitator, the electric precipitation
The outlet of device is connect with the entrance of the TMSCR reactor.
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| CN201822046249.2U CN209271156U (en) | 2018-12-06 | 2018-12-06 | A kind of flue gas purification system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395554A (en) * | 2018-12-06 | 2019-03-01 | 邵嫩飞 | A kind of flue gas purification system and flue gas purifying technique |
| CN111167285A (en) * | 2020-01-07 | 2020-05-19 | 东莞市应天环保工程有限公司 | Flue gas purification system and method |
-
2018
- 2018-12-06 CN CN201822046249.2U patent/CN209271156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395554A (en) * | 2018-12-06 | 2019-03-01 | 邵嫩飞 | A kind of flue gas purification system and flue gas purifying technique |
| CN111167285A (en) * | 2020-01-07 | 2020-05-19 | 东莞市应天环保工程有限公司 | Flue gas purification system and method |
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