CN106765220A - Five Room regenerative thermal oxidizers - Google Patents
Five Room regenerative thermal oxidizers Download PDFInfo
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- CN106765220A CN106765220A CN201710042927.5A CN201710042927A CN106765220A CN 106765220 A CN106765220 A CN 106765220A CN 201710042927 A CN201710042927 A CN 201710042927A CN 106765220 A CN106765220 A CN 106765220A
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- Prior art keywords
- regenerator
- branch pipe
- air intake
- exhaust
- air
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- 230000001172 regenerating effect Effects 0.000 title claims abstract description 17
- 239000007800 oxidant agent Substances 0.000 claims abstract description 24
- 239000003085 diluting agent Substances 0.000 claims abstract description 19
- 238000009825 accumulation Methods 0.000 claims abstract description 18
- 230000001590 oxidative effect Effects 0.000 claims description 31
- 239000002912 waste gas Substances 0.000 abstract description 38
- 239000007789 gas Substances 0.000 abstract description 33
- 150000002894 organic compounds Chemical class 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 18
- 238000007254 oxidation reaction Methods 0.000 abstract description 11
- 230000003647 oxidation Effects 0.000 abstract description 10
- 239000012895 dilution Substances 0.000 abstract description 2
- 238000010790 dilution Methods 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000000126 substance Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- -1 alkenyl halide Chemical class 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- NQUUFYKLSJJKNX-UHFFFAOYSA-N 1,2-dichlorobenzene;1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1.ClC1=CC=CC=C1Cl NQUUFYKLSJJKNX-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- XTCQUBCCCSJAKJ-UHFFFAOYSA-N ethylbenzene Chemical compound CCC1=CC=CC=C1.CCC1=CC=CC=C1 XTCQUBCCCSJAKJ-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 231100001244 hazardous air pollutant Toxicity 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to the operation process and device configuration of complete set, concrete technical scheme is:It is connected with five regenerator including a set of thermal oxidizer,Composition completes regenerative oxidation room,3 low NOx RTO burners are disposed with thermal oxidizer,For the thermal oxidation of organic compound from waste gas,Pass through tail gas isolating valve first,By the corresponding poppet of PLC or DCS programme-control,After delivering to corresponding regenerator accumulation of heat,Oxidation processes are carried out into thermal oxidizer,Accumulation of heat is carried out by corresponding regenerator again after the completion for the treatment of,Chimney is delivered to by pipeline after the completion of accumulation of heat,It is discharged into air,Using a diluent air blower fan toward being mixed into fresh air in organic compound from waste gas,Dilution air pipeline picks out a blowback pipeline,By back-flushing valve control,Processed for unreacted organic compound from waste gas in each regenerator to be delivered in thermal oxidizer again,Can ensure that final handling rate reaches more than 99.95%.
Description
Technical field
Five Room regenerative thermal oxidizers of the invention, be applied to organic chemical industry's industry, oil refining industry, Gas Industry,
Metallurgy industry etc. contains organic compound from waste gas processing technology field.
Background technology
Voc includes the various organic compounds that can be volatilized at room temperature, there is more than 100 kinds in general indoor environment
Voc.Main component has:Benzene homologues, organic chloride, Freon series, organic ketone, amine, alcohol, ether, ester, acid and oil hydrocarbonylation
Compound etc..Wherein common Voc species has toluene(Toluene), dimethylbenzene (Xylene), o-dichlorobenzene (para-
Dichlorobenzene), ethylbenzene (Ethyl benzene), styrene (Styrene), formaldehyde (Formaldehyde), second
Aldehyde (Acetaldehyde) etc..Benzene, toluene, alkenyl halide (trichloro ethylene, dichloroethylene) etc. are under a cloud or are defined as causing
Cancer material.The source of volatile organic matter is mainly chemicals, chemical solvent, vehicle exhaust and burning waste gas.Chemicals is main
It is present in oil, chemical industry, gas station etc. and produces and sells unit, and life of the chemical solvent then with everyone is closely related, nothing
By being that the equipment such as paint, indoor and upholstery, or electronic apparatus may all contain volatile organic matter.Voc is to environment
And the harm of animals and plants is great, in the urgent need to processing it, its harm to environment and animals and plants is reduced, and five Room
Regenerative thermal oxidizer(Referred to as five Room RTO)Voc tail gas is processed in order to more comprehensive, scientifical, perfect exactly, is reached
GB even international standard requirement.
The content of the invention
Instant invention overcomes the deficiency that prior art is present, there is provided a kind of five Room regenerative thermal oxidizer, solve
The problems such as Vocs emission reductions, smell treatment, hazardous air pollutants treatment, toxic air treatment, soot emission.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:Five Room regenerative thermal oxidizers, including the
One regenerator, the second regenerator, the 3rd regenerator, the 4th regenerator, the 5th regenerator, oxidizing chamber, main air inlet pipe, main exhaust
And chimney, first regenerator, the second regenerator, the 3rd regenerator, the 4th regenerator and the 5th regenerator are successively set on
The lower end of oxidizing chamber, is provided with the first regenerator air intake branch, the first regenerator exhaust branch pipe, second in first regenerator
The second regenerator air intake branch and the second regenerator exhaust branch pipe are provided with regenerator, the 3rd storage is provided with the 3rd regenerator
Hot cell air intake branch and the 3rd regenerator exhaust branch pipe, the 4th regenerator air intake branch and the 4th storage are provided with the 4th regenerator
Hot cell exhaust branch pipe, is provided with the 5th regenerator air intake branch and the 5th regenerator exhaust branch pipe, described in the 5th regenerator
One regenerator air intake branch, the second regenerator air intake branch, the 3rd regenerator air intake branch, four regenerator air intake branches and the 5th
Regenerator air intake branch is both connected in main air inlet pipe, the first regenerator exhaust branch pipe, the second regenerator exhaust branch pipe,
Three regenerator exhaust branch pipes, the 4th regenerator exhaust branch pipe and the 5th regenerator exhaust branch pipe are both connected on main exhaust, institute
The inlet end for stating main air inlet pipe is connected with Voc gas blow-down pipes, and the exhaust end of the main exhaust is connected with chimney.
Preferably, the first regenerator air intake branch, the second regenerator air intake branch, the 3rd regenerator air intake branch,
Four regenerator air intake branches, the 5th regenerator air intake branch, the first regenerator exhaust branch pipe, the second regenerator exhaust branch pipe,
Pneumatic power lifting valve is provided with three regenerator exhaust branch pipes, the 4th regenerator exhaust branch pipe and the 5th regenerator exhaust branch pipe,
And linked each other between each pneumatic power lifting valve.
Preferably, the oxidizing chamber is internally provided with burner, and the burner is used to provide heat for oxidizing chamber.
Preferably, in first regenerator, the second regenerator, the 3rd regenerator, the 4th regenerator and the 5th regenerator
Blowback branch pipe is respectively connected with, the blowback branch pipe inlet end is both connected on blowback supervisor, the inlet end of the blowback supervisor leads to
Cross blower fan and atmosphere.
Preferably, be provided with blowback air cutoff valve on the blowback branch pipe, the blowback air cutoff valve with it is pneumatic
Poppet links each other.
Preferably, it is provided with tail gas isolating valve in the main air inlet pipe.
Preferably, it is provided with diluent air stop valve between the blowback supervisor and main air inlet pipe.
The present invention has an advantageous effect in that compared with prior art:Model the invention belongs to be catalyzed burning treatment technology
Farmland, but again than the catalysis burning treatment technology more energy-conserving and environment-protective of ordinary meaning, it is cost-effective.The present invention is in thermal oxide rank
Heat accumulating type exchanger is added in section, Vocs waste gas is preheated, then carry out oxidation reaction.With the development of heat-storing material, current accumulation of heat
The heat recovery rate of formula heat exchanger has reached more than 95%, and it is less and less to take up room, the consumption of such auxiliary combustion
Very little.Simultaneously as present heat-storing material all Ceramics fillers, so corrosivity or the Vocs containing particulate matter can be processed
Waste gas.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the invention.
In figure:1 is the first regenerator, 2 is the second regenerator, 3 is the 3rd regenerator, 4 is the 4th regenerator, 5 is the 5th
Regenerator, 6 be oxidizing chamber, 7 be main air inlet pipe, 8 be main exhaust, 9 be chimney, 10 be the first regenerator air intake branch, 11 be
First regenerator air intake branch, 12 be the second regenerator air intake branch, 13 be the second regenerator exhaust branch pipe, 14 be the 3rd accumulation of heat
Room air intake branch, 15 be the 3rd regenerator exhaust branch pipe, 16 be the 4th regenerator air intake branch, 17 be the 4th regenerator be vented branch
Pipe, 18 be the 5th regenerator air intake branch, 19 be the 5th regenerator exhaust branch pipe, 20 be pneumatic power lifting valve, 21 be burner, 22 be
Blowback branch pipe, 23 be blowback supervisor, 24 be blowback air cutoff valve, 25 be tail gas isolating valve, 26 be diluent air stop valve, 27
Blower fan, 28 diluent airs supervisor.
Specific embodiment
As shown in figure 1, five Room of the invention regenerative thermal oxidizer, including the first regenerator 1, the second regenerator the 2, the 3rd store
Hot cell 3, the 4th regenerator 4, the 5th regenerator 5, oxidizing chamber 6, main air inlet pipe 7, main exhaust 8 and chimney 9, first accumulation of heat
Room 1, the second regenerator 2, the 3rd regenerator 3, the 4th regenerator 4 and the 5th regenerator 5 are successively set on the lower end of oxidizing chamber 6,
The first regenerator air intake branch 10, the first regenerator exhaust branch pipe 11, the second regenerator 2 are provided with first regenerator 1
On be provided with the second regenerator air intake branch 12 and the second regenerator exhaust branch pipe 13, be provided with the 3rd storage in the 3rd regenerator 3
The regenerator exhaust branch pipe 15 of hot cell air intake branch 14 and the 3rd, the 4th regenerator air intake branch 16 is provided with the 4th regenerator 4
With the 4th regenerator exhaust branch pipe 17, the 5th regenerator air intake branch 18 and the 5th regenerator row are provided with the 5th regenerator 5
Gas branch pipe 19, the first regenerator air intake branch 10, the second regenerator air intake branch 12, the 3rd regenerator air intake branch 14,
Four regenerator air intake branches 16 and the 5th regenerator air intake branch 18 are both connected in main air inlet pipe 7, the first regenerator row
Gas branch pipe 11, the second regenerator exhaust branch pipe 13, the 3rd regenerator exhaust branch pipe 15, the 4th regenerator exhaust branch pipe 17 and the 5th
Regenerator exhaust branch pipe 19 is both connected on main exhaust 8, and the inlet end of the main air inlet pipe 7 is connected with Voc gas blow-down pipes,
The exhaust end of the main exhaust 8 is connected with chimney 9.
The first regenerator air intake branch 10, the second regenerator air intake branch 12, the 3rd regenerator air intake branch 14, four
Regenerator air intake branch 16, the 5th regenerator air intake branch 18, the first regenerator exhaust branch pipe 11, the second regenerator exhaust branch pipe
13rd, it is provided with the 3rd regenerator exhaust branch pipe 15, the 4th regenerator exhaust branch pipe 17 and the 5th regenerator exhaust branch pipe 19
Linked each other between pneumatic power lifting valve 20, and each pneumatic power lifting valve 20.
The oxidizing chamber 6 is internally provided with burner 21, and the burner 21 is used to provide heat for oxidizing chamber 6.
In first regenerator 1, the second regenerator 2, the 3rd regenerator 3, the 4th regenerator 4 and the 5th regenerator 5
Blowback branch pipe 22 is connected with, the inlet end of blowback branch pipe 22 is both connected on blowback supervisor 23, and the blowback supervisor's 23 enters
Gas end passes through blower fan 27 and atmosphere.
Blowback air cutoff valve 24, the blowback air cutoff valve 24 and pneumatic lifting are provided with the blowback branch pipe 22
Lift valve 20 links each other.
Tail gas isolating valve 25 is provided with the main air inlet pipe 7.
Diluent air stop valve 26 is provided between the diluent air supervisor 28 and main air inlet pipe 7.
Operation principle of the invention:Oxidizing chamber 6 needs first to be preheating to 760 DEG C before organic compound from waste gas is entered, and passes through
Temperature detection and for the gas control valve on the burner 21 of low NOx come maintain oxidizing chamber 6 treatment temperature stabilization exist
760 DEG C, while the flame that stabilization is kept by ultraviolet fire inspection that flame safety controller can continue, then begins to normal process
Waste gas.Organic compound from waste gas delivers to oxidizing chamber 6 by main air inlet pipe 7, first by tail gas isolating valve 25, by PLC or
The corresponding diluent air stop valve 26 of DCS programme-control, after delivering to corresponding regenerator accumulation of heat, is aoxidized into thermal oxidizer
Treatment, accumulation of heat is carried out after the completion for the treatment of by corresponding regenerator again, and chimney 9 is delivered to by pipeline after the completion of accumulation of heat, is discharged into
In air.Because combustible component contained in organic compound from waste gas is different, the LEL of its mixed gas is also not quite similar,
Therefore its LEL is reduced toward fresh air is mixed into organic compound from waste gas using a diluent air blower fan 27, air quantity is big
It is small PLC or DCS are fed back to by LEL instrumentation signals after, by Frequency Converter Control.In order to ensure the place of organic compound from waste gas
Reason efficiency, therefore from dilution air pipeline pick out a blowback supervisor 23, controlled by blowback air cutoff valve 24, for by each
Unreacted organic compound from waste gas is delivered in thermal oxidizer processed again in regenerator, it is ensured that final handling rate reaches
More than 99.95%.
Workflow of the invention is as follows:
First work period:Pending gas is by the first regenerator air intake branch 10 and the second regenerator air intake branch 12
After pneumatic power lifting valve 20, the first regenerator 1 and the second regenerator 2 are respectively enterd, afterwards into oxidizing chamber 6, by 760 DEG C of high temperature
Enter the 3rd regenerator 3 and the 4th regenerator 4 after treatment, arranged by the 3rd regenerator exhaust branch pipe 15 and the 4th regenerator afterwards
The laggard primary exhaust gas pipe 8 of pneumatic power lifting valve 20 on gas branch pipe 17, is emitted into chimney 9.5th regenerator 5 in the process simultaneously
On blowback branch pipe 22 open blowback air cutoff valve 24, send untreated complete waste gas in the 5th regenerator 5 back to oxidizing chamber 6
Treatment, this process continues 3 minutes, afterwards into the second work period.
Second work period:Pending gas is by the second regenerator air intake branch 12 and the 3rd regenerator air intake branch 14
On pneumatic power lifting valve 20 after, the second regenerator 2 and the 3rd regenerator 3 are respectively enterd, afterwards into oxidizing chamber 6, by high temperature
Enter the 4th regenerator 4 and the 5th regenerator 5 after 760 DEG C for the treatment of, stored by the 4th regenerator exhaust branch pipe 17 and the 5th afterwards
The laggard primary exhaust gas pipe 8 of pneumatic power lifting valve 20 on hot cell exhaust branch pipe 19, is emitted into chimney 9.Simultaneously in the process first
Blowback branch pipe 22 in regenerator 1 opens blowback air cutoff valve 24, and untreated complete waste gas in the first regenerator 1 is sent back to
Oxidizing chamber 6 is processed, and this process continues 3 minutes, afterwards into the 3rd work period.
3rd work period:Pending gas is by the 3rd regenerator air intake branch 14 and the 4th regenerator air intake branch 16
On pneumatic power lifting valve 20 after, the 3rd regenerator 3 and the 4th regenerator 4 are respectively enterd, afterwards into oxidizing chamber 6, by high temperature
Enter the 5th regenerator 5 and the first regenerator 1 after 760 DEG C for the treatment of, stored by the 5th regenerator exhaust branch pipe 19 and first afterwards
The laggard primary exhaust gas pipe 8 of pneumatic power lifting valve 20 on hot cell exhaust branch pipe 11, is emitted into chimney 9.Simultaneously in the process second
Blowback branch pipe 22 in regenerator 2 opens blowback air cutoff valve 24, and untreated complete waste gas in the second regenerator 2 is sent back to
Oxidizing chamber 6 is processed, and this process continues 3 minutes, afterwards into the 4th work period.
4th work period:Pending gas is by the 4th regenerator air intake branch 16 and the 5th regenerator air intake branch 18
On pneumatic power lifting valve 20 after, the 4th regenerator 4 and the 5th regenerator 5 are respectively enterd, afterwards into oxidizing chamber 6, by high temperature
Enter the first regenerator 1 and the second regenerator 2 after 760 DEG C for the treatment of, stored by the first regenerator exhaust branch pipe 11 and second afterwards
The laggard primary exhaust gas pipe 8 of pneumatic power lifting valve 20 on hot cell exhaust branch pipe 13, is emitted into chimney 9.Simultaneously in the process the 3rd
Blowback branch pipe 22 in regenerator 3 opens blowback air cutoff valve 24, and untreated complete waste gas in the 3rd regenerator 3 is sent back to
Oxidizing chamber 6 is processed, and this process continues 3 minutes, afterwards into the 5th work period.
5th work period:Pending gas is by the 5th regenerator air intake branch 18 and the first regenerator air inlet branch 10
Pneumatic power lifting valve 20 after, the 5th regenerator 5 and the first regenerator 1 are respectively enterd, afterwards into oxidizing chamber 6, by high temperature 760
DEG C treatment after enter the second regenerator 2 and the 3rd regenerator 3, afterwards by the second regenerator exhaust branch pipe 13 and the 3rd regenerator
The laggard primary exhaust gas pipe 8 of pneumatic power lifting valve 20 on exhaust branch pipe 15, is emitted into chimney 9.4th accumulation of heat in the process simultaneously
Blowback branch pipe 22 on room 4 opens blowback air cutoff valve 24, sends untreated complete waste gas in the 4th regenerator 4 back to oxidation
Room 6 is processed, and this process continues 3 minutes, afterwards into the first work period.
The present invention is applied to organic chemical industry's industry, oil refining industry, Gas Industry, metallurgy industry etc. and organises
Compound technical field of waste gas treatment, is related to the operation process of complete set and device configuration;Concrete technical scheme is:Five Room accumulation of heats
Formula thermal oxidizer, regenerative thermal oxidizer English abbreviation RTO, including a set of thermal oxidizer is connected with five regenerator, composition
Regenerative oxidation room is completed, 3 low NOx RTO burners is disposed with thermal oxidizer, for the hot oxygen of organic compound from waste gas
Change is processed.Organic compound from waste gas delivers to RTO devices by carrying out feed channel, first by tail gas isolating valve, by PLC or
The corresponding poppet of DCS programme-control, after delivering to corresponding regenerator accumulation of heat, oxidation processes is carried out into thermal oxidizer, treatment
After the completion of accumulation of heat is carried out by corresponding regenerator again, chimney is delivered to by pipeline after the completion of accumulation of heat, be discharged into air.Due to
Combustible component contained in organic compound from waste gas is different, and the LEL of its mixed gas is also not quite similar, therefore uses one
Diluent air blower fan reduces its LEL toward fresh air is mixed into organic compound from waste gas, and air force is by LEL detectors
After table signal feeds back to PLC or DCS, by Frequency Converter Control.In order to ensure the treatment effeciency of organic compound from waste gas, therefore from dilute
Release Fan pipeline and pick out a blowback pipeline, by back-flushing valve control, for by unreacted organic compound in each regenerator
Thing waste gas is delivered in thermal oxidizer processed again, it is ensured that final handling rate reaches more than 99.95%.
Thermal oxidizer is connected by bolts with five regenerator, three low NOx RTO burners in the present invention, described every
Platform regenerator is connected with two poppets, and respectively will be corresponding using organic compound from waste gas admission line and exhaust emission pipe
Poppet be connected, corresponding five poppets are connected in every pipeline.Set on the organic compound from waste gas admission line
There is a tail gas isolating valve, the air inflow for adjusting organic compound from waste gas;Set on organic compound from waste gas admission line
There is diluent air pipeline, blasted in organic compound from waste gas admission line fresh air by diluent air blower fan, for dilute
The LEL of fuel gas in organic compound from waste gas is released, makes the organic compound from waste gas can be with safe and reliable in thermal oxidizer
Oxidation processes.The diluent air pipeline is provided with a diluent air stop valve, is provided with before diluent air stop valve
One blowback pipeline is communicated with every regenerator, for by the residual organic compounds waste gas blowback in every regenerator to oxidation
Interior carries out oxidation processes.The blowback pipeline is provided with 5 blowback air cutoff valves, the accumulation of heat of blowback needed for controlling respectively
Room.The organic compound from waste gas enters chimney, most heel row after the completion of the treatment of oxidizing chamber internal oxidition by exhaust emission pipe
It is put into air.
Three low NOx RTO burners are installed on oxidizing chamber, can be according to needed for the temperature in oxidizing chamber be adjusted
The low NOx RTO burner quantity of startup.Five regenerator are connected with oxidizing chamber, MLM types are installed in every regenerator
The accumulation of heat bed that ceramic packing is made, its feature is porosity higher, and energy storage bed design anti-clogging, heat resistanceheat resistant are shaken, and ability is strong, heat
Exchange efficiency is high, pressure is low.The LEL of fuel gas can be by adjusting diluent air blower fan in organic compound from waste gas
Frequency be adjusted, make organic compound from waste gas that oxidation processes are carried out under conditions of safe and reliable.
Two poppets and a blowback air cutoff valve are installed in every regenerator, poppet control organic exhaust gas
Turnover, blowback air cutoff valve is blown back in oxidizing chamber the residual organic compounds waste gas in regenerator using air.Organise
Compound gas inlet pipeline is provided with LEL instrumentations, for detecting the LEL of fuel gas.Low NOx RTO burns
The fuel of mouth can be using natural gas, coke-stove gas, liquefied petroleum gas, diesel oil etc..In being provided with inside oxidizing chamber and regenerator
Heat-insulation layer, its inner thermal insulating layer is made using ceramic fiber module, can continuously bear 1300 celsius temperatures.
Embodiments of the invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Example, in the ken that those of ordinary skill in the art possess, can also make on the premise of present inventive concept is not departed from
Go out various change.
Claims (7)
1. five Room regenerative thermal oxidizer, it is characterised in that:Including the first regenerator(1), the second regenerator(2), the 3rd accumulation of heat
Room(3), the 4th regenerator(4), the 5th regenerator(5), oxidizing chamber(6), main air inlet pipe(7), main exhaust(8)And chimney(9),
First regenerator(1), the second regenerator(2), the 3rd regenerator(3), the 4th regenerator(4)With the 5th regenerator(5)According to
It is secondary to be arranged on oxidizing chamber(6)Lower end, first regenerator(1)On be provided with the first regenerator air intake branch(10), first
Regenerator exhaust branch pipe(11), the second regenerator(2)On be provided with the second regenerator air intake branch(12)Arranged with the second regenerator
Gas branch pipe(13), the 3rd regenerator(3)On be provided with the 3rd regenerator air intake branch(14)With the 3rd regenerator exhaust branch pipe
(15), the 4th regenerator(4)On be provided with the 4th regenerator air intake branch(16)With the 4th regenerator exhaust branch pipe(17), the 5th
Regenerator(5)On be provided with the 5th regenerator air intake branch(18)With the 5th regenerator exhaust branch pipe(19), first accumulation of heat
Room air intake branch(10), the second regenerator air intake branch(12), the 3rd regenerator air intake branch(14), four regenerator air intake branches
(16)With the 5th regenerator air intake branch(18)It is both connected to main air inlet pipe(7)On, the first regenerator exhaust branch pipe(11)、
Second regenerator exhaust branch pipe(13), the 3rd regenerator exhaust branch pipe(15), the 4th regenerator exhaust branch pipe(17)Stored with the 5th
Hot cell exhaust branch pipe(19)It is both connected to main exhaust(8)On, the main air inlet pipe(7)Inlet end and Voc gas blow-down pipes
Connection, the main exhaust(8)Exhaust end and chimney(9)Connection.
2. five Room according to claim 1 regenerative thermal oxidizer, it is characterised in that:The first regenerator air intake branch
(10), the second regenerator air intake branch(12), the 3rd regenerator air intake branch(14), the 4th regenerator air intake branch(16),
Five regenerator air intake branches(18), the first regenerator exhaust branch pipe(11), the second regenerator exhaust branch pipe(13), the 3rd regenerator
Exhaust branch pipe(15), the 4th regenerator exhaust branch pipe(17)With the 5th regenerator exhaust branch pipe(19)On be provided with airlift
Valve(20), and every pneumatic power lifting valve(20)Between link each other.
3. five Room according to claim 1 and 2 regenerative thermal oxidizer, it is characterised in that:The oxidizing chamber(6)Inside
It is provided with burner(21), the burner(21)For being oxidizing chamber(6)Heat is provided.
4. five Room according to claim 3 regenerative thermal oxidizer, it is characterised in that:First regenerator(1), second
Regenerator(2), the 3rd regenerator(3), the 4th regenerator(4)With the 5th regenerator(5)On be respectively connected with blowback branch pipe(22), institute
State blowback branch pipe(22)Inlet end is both connected to blowback supervisor(23)On, the blowback supervisor(23)Inlet end and diluent air
Supervisor(28)It is connected, diluent air supervisor(28)By blower fan(27)With atmosphere.
5. five Room according to claim 4 regenerative thermal oxidizer, it is characterised in that:The blowback branch pipe(22)On be all provided with
It is equipped with blowback air cutoff valve(24), the blowback air cutoff valve(24)With pneumatic power lifting valve(20)Link each other.
6. five Room according to claim 5 regenerative thermal oxidizer, it is characterised in that:The main air inlet pipe(7)Upper setting
There is tail gas isolating valve(25).
7. five Room according to claim 6 regenerative thermal oxidizer, it is characterised in that:The diluent air supervisor(28)With
Main air inlet pipe(7)Between be provided with diluent air stop valve(26).
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CN201710042927.5A CN106765220A (en) | 2017-01-20 | 2017-01-20 | Five Room regenerative thermal oxidizers |
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