CN106594717A - After-burning type regenerator with ultralow nitrous oxide discharging and regeneration technology thereof - Google Patents
After-burning type regenerator with ultralow nitrous oxide discharging and regeneration technology thereof Download PDFInfo
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- CN106594717A CN106594717A CN201611146899.3A CN201611146899A CN106594717A CN 106594717 A CN106594717 A CN 106594717A CN 201611146899 A CN201611146899 A CN 201611146899A CN 106594717 A CN106594717 A CN 106594717A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C13/00—Apparatus in which combustion takes place in the presence of catalytic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
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Abstract
The invention discloses an after-burning type regenerator with ultralow nitrous oxide discharging and a regeneration technology thereof, and belongs to the field of regenerator devices. The after-burning type regenerator is characterized in that a regenerator shell (11) is divided into a lean-phase zone (2) on the upper portion and a dense-phase zone (1) on the lower portion; a cyclone separating device is arranged in the lean-phase zone (2); an after-burning air pipeline is connected with one side of the cyclone separating device; an exhaust pipe is arranged on the upper portion of the cyclone separating device, and a particulate exhausting opening is formed in the lower portion of the cyclone separating device; a main wind distributing device is arranged in the dense-phase zone (1); a catalyst to be generated conveying pipe (5) is arranged on one side of the dense-phase zone (1); and a regenerated catalyst outputting pipe (7) is arranged on the lower portion of the dense-phase zone (1). A main air blower and an after-burning air blower provide main air and after-burning air correspondingly, an after-burning mode of hypoxemia in the regenerator and afterburning in the cyclone separating device is adopted, by adjusting burning atmosphere in the regenerator, burning-out of solid and gaseous combustible materials is realized by using after-burning, and ultralow nitrous oxide discharging is realized.
Description
Technical field
A kind of rear combustion regenerator of ultralow discharged nitrous oxides and its regeneration technology, belong to regenerator device field.
Background technology
Petroleum refining industry is the indispensable important component part of energy industry, and catalytic cracking process is current oil refining
Most important secondary processing process in system industry, is also heavy oil lighting, the core process of production petrol and diesel oil component.Catalytic cracking
In technical process, the nitrogen in feedstock oil can be changed into NOx, air is entered with regenerated flue gas, cause environmental pollution.In April, 2015
Chinese Ministry of Environmental Protection and State General Administration for Quality Supervision combine and issue《Petroleum refining industry pollutant emission standard》, and in July then
Implement.Wherein, regeneration fume from catalytic cracking NOxEspecially discharge is limited to 100 mg/m3.This is to regeneration fume from catalytic cracking desulfurization
Denitration proposes more strict requirements.
NO in domestic outer control regeneration fume from catalytic crackingxThe approach of discharge mainly has three kinds：1）Oily hydrodenitrogeneration；2）Make
With sulphur nitrogen transfer agent or auxiliary agent；3）Using equipment for denitrifying flue gas.First two method is subject to hydrogen source, investment cost or removal efficiency
Limit and have impact on and use, the NO in flue gas can be more thoroughly removed using flue gas desulfurization and denitrification technologyx.Catalytic cracking is again
Raw equipment for denitrifying flue gas typically required continuous operation time not less than 3 years, therefore maturity and equipment dependability for technology,
Engineering design is proposed and harshly requires very much.But it is at present, domestic still without the industry of ripe regeneration fume from catalytic cracking
Change desulphurization denitration technology, being badly in need of one kind can finally realize solid and gaseous combustible thing by combustion atmosphere in adjustment regenerator
After-flame, realize the regenerator of ultralow discharged nitrous oxides.
The content of the invention
The technical problem to be solved is：Overcome the deficiencies in the prior art, there is provided a kind of to adjust using after-burning wind
Combustion atmosphere in regenerator, realize ultralow discharged nitrous oxides ultralow discharged nitrous oxides rear combustion regenerator.
The technical solution adopted for the present invention to solve the technical problems is：The rear combustion regeneration of the ultralow discharged nitrous oxides
Device, it is characterised in that：Including regenerator housing, the dilute-phase zone on top and the emulsion zone of bottom are divided in regenerator housing, it is described
Dilute-phase zone in be provided with cyclone separator, cyclone separator side connection after-burning air pipe line, cyclone separator top sets
There is blast pipe, bottom is provided with particulate emission mouth；Main wind distributor is provided with described emulsion zone, main wind distributor side connects
Air main is connect, emulsion zone side is provided with reclaimable catalyst delivery pipe, and emulsion zone bottom is provided with regenerated catalyst efferent duct.
Change the structure and combustion mode of conventional regenerator, be furnished with two Fans, distinguished by main air blower and after-burning blower fan
Main wind and after-burning wind are provided, combustion system is burnt using the after-burning of afterburning in hypoxemia, cyclone separator in regenerator, in tradition
On the basis of air supply mode, after-burning wind is added, make most of coke nitrogen be converted into nitrogen by adjusting combustion atmosphere in regenerator, most
Realize the after-flame of solid and gaseous combustible thing using after-burning afterwards, realize ultralow discharged nitrous oxides.
Described cyclone separator includes primary cyclone and the secondary cyclone being arranged in series, one-level rotation
The porch connection flue gas conveying entrance of wind separator, the porch connection after-burning air pipe line of secondary cyclone, two grades of rotations
The exit of wind separator is provided with smoke discharge tube.
Described primary cyclone and secondary cyclone is uniformly multiple in described dilute-phase zone annular.
The outer ring of the described uniform secondary cyclone of multiple annulars is provided with after-burning vane shape main pipe, and after-burning vane shape is female
Pipe connects respectively the smoke inlet of each secondary cyclone by a plurality of after-burning wind arm, is provided with multiple two grades of cyclonic separations
The smoke outlet of device connects flue gas collection chamber jointly.
Preferably, using six tunnel after-burning wind arms, after-burning wind arm is centrosymmetric cloth with six secondary cyclones
Put, after-burning wind is assigned to six road arms and tangentially enters secondary cyclone entrance by after-burning vane shape main pipe.In regenerator
Portion maintains a relative reduction atmosphere, suppresses NO_x formation, and filling into after-burning wind in two grades of whirlwind entrances can be by flying dust
CO after-flames in middle combustible and flue gas, and secondary cyclone separating effect can be strengthened.Described after-burning wind is filled into
The excess air coefficient of whole system is 1.2 ~ 1.3 after secondary cyclone, secondary cyclone entrance mixed gas speed
Degree reaches 20 ~ 30 meter per seconds.
Described after-burning wind arm is obliquely installed, and on the after-burning wind arm described in each after-burning wind manifold valve is respectively provided with
Door.
Described after-burning air pipe line includes after-burning wind delivery pipe and after-burning blower fan, and after-burning blower fan is connected by after-burning wind delivery pipe
Lead to described cyclone separator entrance.
Described main wind distributor includes main wind distributor, air main and main wind blower fan, and main wind blower fan passes through air main
Connect main wind distributor；Described reclaimable catalyst delivery pipe is inclined at the side of described emulsion zone, reclaimable catalyst
The outlet of delivery pipe is oppositely arranged with the outlet of main wind distributor, forms adverse current.
Preferably, regeneration temperature be 700 ~ 900 DEG C, gas superficial linear velocity be 0.2 ~ 8.0 meter per second, regenerator dilute-phase zone
Excess air coefficient is 1.0 ~ 1.1.
A kind of regeneration technology of the rear combustion regenerator of ultralow discharged nitrous oxides, it is characterised in that：Comprise the following steps,
1）, open main air blower, main wind enters emulsion zone by air main and the main wind of main wind distributor mean allocation, maintains to regenerate
Device inside reducing atmosphere, good grain fluidized characteristic is ensured by control into the air quantity of emulsion zone；
2）, reclaimable catalyst Jing reclaimable catalyst delivery pipes enter emulsion zone, with Jing air main and main wind distributor distribution after
Main wind counter current contacting；
3）, open after-burning blower fan, after-burning wind enters cyclone separator by after-burning air pipe line so that after-burning wind and cyclonic separation
Flue gas mixing in device, solid combustible and oxygen needed for gas combustible combustion are provided into dilute-phase zone；
4）, through the burning of cyclone separator isolate flue gas and solid particle, the flue gas Jing cyclone separators after burning
The blast pipe that top is provided with is discharged, and solid particle enters emulsion zone, and then the regenerated catalyst efferent duct for passing through emulsion zone bottom
Discharge.
Compared with prior art, the present invention is had an advantageous effect in that：
1st, change the structure and combustion mode of conventional regenerator, be furnished with two Fans, carried respectively by main air blower and after-burning blower fan
For main wind and after-burning wind, combustion system is supplied using the after-burning burning of afterburning in hypoxemia, cyclone separator in regenerator in tradition
On the basis of wind mode, after-burning wind is added, make most of coke nitrogen be converted into nitrogen by adjusting combustion atmosphere in regenerator, finally
The after-flame of solid and gaseous combustible thing is realized using after-burning, ultralow discharged nitrous oxides are realized.
2nd, using six tunnel after-burning wind arms, after-burning wind arm is centrosymmetric arrangement with six secondary cyclones, after
Combustion wind is assigned to six road arms and tangentially enters secondary cyclone entrance by after-burning vane shape main pipe.Internal regenerator is maintained
One relative reduction atmosphere, suppresses NO_x formation, and filling into after-burning wind in two grades of whirlwind entrances can will be flammable in flying dust
CO after-flames in material and flue gas, and secondary cyclone separating effect can be strengthened.
Description of the drawings
Fig. 1 is the rear combustion regenerator front view schematic diagram of ultralow discharged nitrous oxides.
Fig. 2 is the internal structure top view schematic diagram of Fig. 1.
Wherein, 1, emulsion zone 2, dilute-phase zone 3, primary cyclone 4, secondary cyclone 5, reclaimable catalyst
Delivery pipe 6, main wind distributor 7, regenerated catalyst efferent duct 8, air main 9, after-burning wind delivery pipe 10, smoke discharge tube
11st, regenerator housing 12, flue gas collection chamber 13, after-burning vane shape main pipe 14, after-burning wind arm 15, after-burning wind arm valve
16th, whirlwind communicating pipe.
Specific embodiment
Fig. 1 ~ 2 are highly preferred embodiment of the present invention, and below in conjunction with the accompanying drawings 1 ~ 2 the present invention will be further described.
Referring to the drawings 1：A kind of rear combustion regenerator of ultralow discharged nitrous oxides, including regenerator housing 11, regenerator
It is divided in housing 11 in the dilute-phase zone 2 on top and the two chambers of emulsion zone 1 of bottom, dilute-phase zone 2 and is provided with cyclone separator, revolves
Wind separator side connects after-burning air pipe line, and cyclone separator top is provided with blast pipe, and bottom is provided with particulate emission mouth；It is close
Main wind distributor is provided with phase region 1, main wind distributor side connects air main 8, and the side of emulsion zone 1 is provided with reclaimable catalyst
Delivery pipe 5, the bottom of emulsion zone 1 is provided with regenerated catalyst efferent duct 7.
Cyclone separator is two-stage separator, including the primary cyclone 3 being arranged in series and two grades of whirlwind point
From device 4, the porch connection flue gas conveying entrance of primary cyclone 3, the porch connection after-burning of secondary cyclone 4
Air pipe line, the exit of secondary cyclone 4 is provided with smoke discharge tube 10.Primary cyclone 3 and two grades of cyclonic separations
By connecting whirlwind communicating pipe 16 between device 4.
Primary cyclone 3 and secondary cyclone 4 are uniformly multiple in the annular of dilute-phase zone 2.Each one-level rotation
Wind separator 3 individually connects a secondary cyclone 4, and the outer ring of multiple annular uniform secondary cyclones 4 is provided with
After-burning vane shape main pipe 13, after-burning vane shape main pipe 13 connects respectively each two grades of cyclonic separations by a plurality of after-burning wind arm 14
The smoke inlet of device 4, the smoke outlet for being provided with multiple secondary cyclones 4 connects flue gas collection chamber 12 jointly.
Preferably, after-burning wind arm 14 is obliquely installed, and after-burning wind arm valve is respectively provided with each after-burning wind arm 14
15.After-burning air pipe line includes after-burning wind delivery pipe 9 and after-burning blower fan, and after-burning blower fan connects whirlwind point by after-burning wind delivery pipe 9
From device portal.
Main wind distributor includes main wind distributor 6, air main 8 and main wind blower fan, and main wind blower fan is connected by air main 8
Main wind distributor 6；Reclaimable catalyst delivery pipe 5 is inclined at the side of emulsion zone 1, the outlet of reclaimable catalyst delivery pipe 5
It is oppositely arranged with the outlet of main wind distributor 6, forms adverse current.
Operationally, air supply mode includes main wind and after-burning to the rear combustion regenerator of the ultralow discharged nitrous oxides of the present invention
Wind, wherein main wind is provided by main air blower, after-burning wind is provided by after-burning blower fan.Reclaimable catalyst Jing reclaimable catalysts delivery pipe 5 is entered
Enter regenerator emulsion zone 1, with the main wind counter current contacting regeneration Jing after air main 8 and the distribution of main wind distributor 6.By controlling main wind
Wind supply quantity is made in reducing atmosphere in regenerator dilute-phase zone 2, and excess air coefficient is maintained at 1.0 ~ 1.1, but ensures good
Grain fluidized characteristic, the nitrogen oxides predecessor NH that the nitrogen in petroleum coke is formed in emulsion zone 13With HCN in reproducibility gas
Nitrogen oxides will not be changed under atmosphere, but generate nitrogen, while also there are a large amount of CO and CH in flue gas4Deng reducibility gas, fly
Uncompleted burned carbon content is also higher in ash.
After-burning wind arm valve 15 is opened, after-burning blower fan is opened, after-burning wind Jing after-burning vane shapes main pipe 13 is evenly distributed to
Six after-burning wind arms 14, then tangentially enter secondary cyclone 4 by after-burning wind arm 14.Flue gas is through one cyclonic
Separator 3 mixes in the porch of secondary cyclone 4 after separating with after-burning wind, and after-burning wind provides solid combustible and gas can
Oxygen needed for combustion things burning, makes solid combustible and gas combustible after-flame in flue gas, the flue gas after burning enter flue gas gas collection
Room 12, Jing flue gas delivery pipes 10 are discharged.Now nitrogen oxides in effluent content is relatively low, and unburned carbon in flue dust and CO contents also compared with
It is low.
A kind of regeneration technology of the rear combustion regenerator of ultralow discharged nitrous oxides, comprises the following steps：
1st, main air blower is opened, main wind enters emulsion zone 1, maintains again by air main 8 and the main wind of main wind distributor mean allocation
Raw device inside reducing atmosphere, good grain fluidized characteristic is ensured by control into the air quantity of emulsion zone 1；Emulsion zone 1
Pressure is significantly greater than dilute-phase zone 2, as the pressure for increasing dilute-phase zone 2 of regenerator height is gradually lowered, but the pressure of dilute-phase zone 2
Difference is less, and pressure difference signal is more steady during long-play, there is obvious emulsion zone 1 and dilute-phase zone 2, pressure oscillation
Steadily, illustrate that fluidization property of the particle in regenerator is preferable.
2nd, reclaimable catalyst Jing reclaimable catalysts delivery pipe 5 enters emulsion zone 1, with Jing air mains 8 and main wind distributor
Main wind counter current contacting after distribution.
3rd, after-burning blower fan is opened, after-burning wind enters cyclone separator by after-burning air pipe line so that after-burning wind and whirlwind
Flue gas mixing in separator, solid combustible and oxygen needed for gas combustible combustion are provided into dilute-phase zone 2.
4th, flue gas and solid particle are isolated in the burning through cyclone separator, the flue gas Jing cyclonic separations dress after burning
The blast pipe discharge that top is provided with is put, solid particle enters emulsion zone 1, and then defeated by the regenerated catalyst of the bottom of emulsion zone 1
Outlet pipe 7 is discharged.Regeneration temperature is 700 ~ 900 DEG C, and gas superficial linear velocity is 0.2 ~ 8.0 meter per second, and regenerator dilute-phase zone is excessive empty
Gas coefficient is 1.0 ~ 1.1.
The above, is only presently preferred embodiments of the present invention, is not the restriction for making other forms to the present invention, is appointed
What those skilled in the art changed possibly also with the technology contents of the disclosure above or be modified as equivalent variations etc.
Effect embodiment.But it is every without departing from technical solution of the present invention content, according to the technical spirit of the present invention to above example institute
Any simple modification, equivalent variations and the remodeling made, still falls within the protection domain of technical solution of the present invention.
Claims (9)
1. the rear combustion regenerator of a kind of ultralow discharged nitrous oxides, it is characterised in that：Including regenerator housing（11）, regenerator
Housing（11）Inside it is divided into the dilute-phase zone on top（2）With the emulsion zone of bottom（1）, described dilute-phase zone（2）Inside it is provided with cyclonic separation
Device, cyclone separator side connection after-burning air pipe line, cyclone separator top is provided with blast pipe, and bottom is provided with particle row
Put mouth；Described emulsion zone（1）Main wind distributor is inside provided with, main wind distributor side connects air main（8）, emulsion zone
（1）Side is provided with reclaimable catalyst delivery pipe（5）, emulsion zone（1）Bottom is provided with regenerated catalyst efferent duct（7）.
2. the rear combustion regenerator of a kind of ultralow discharged nitrous oxides according to claim 1, it is characterised in that：Described
Cyclone separator includes the primary cyclone being arranged in series（3）And secondary cyclone（4）, primary cyclone
（3）Porch connection flue gas conveying entrance, secondary cyclone（4）Porch connection after-burning air pipe line, two grades of whirlwind
Separator（4）Exit be provided with smoke discharge tube（10）.
3. the rear combustion regenerator of a kind of ultralow discharged nitrous oxides according to claim 2, it is characterised in that：Described
Primary cyclone（3）And secondary cyclone（4）In described dilute-phase zone（2）Annular is uniformly multiple.
4. the rear combustion regenerator of a kind of ultralow discharged nitrous oxides according to claim 3, it is characterised in that：Described
Multiple annular uniform secondary cyclones（4）Outer ring be provided with after-burning vane shape main pipe（13）, after-burning vane shape main pipe（13）
By a plurality of after-burning wind arm（14）Connect each secondary cyclone respectively（4）Smoke inlet, be provided with it is multiple two grades rotation
Wind separator（4）Smoke outlet connect flue gas collection chamber jointly（12）.
5. the rear combustion regenerator of a kind of ultralow discharged nitrous oxides according to claim 4, it is characterised in that：Described
After-burning wind arm（14）It is obliquely installed, the after-burning wind arm described in each（14）On be respectively provided with after-burning wind arm valve（15）.
6. the rear combustion regenerator of a kind of ultralow discharged nitrous oxides according to claim 1, it is characterised in that：Described
After-burning air pipe line includes after-burning wind delivery pipe（9）With after-burning blower fan, after-burning blower fan is by after-burning wind delivery pipe（9）Described in connection
Cyclone separator entrance.
7. the rear combustion regenerator of a kind of ultralow discharged nitrous oxides according to claim 1, it is characterised in that：Described
Main wind distributor includes main wind distributor（6）, air main（8）With main wind blower fan, main wind blower fan is by air main（8）Connection master
Wind distributor（6）；Described reclaimable catalyst delivery pipe（5）It is inclined at described emulsion zone（1）Side, catalysis to be generated
Agent delivery pipe（5）Outlet and main wind distributor（6）Outlet be oppositely arranged, formed adverse current.
8. the rear combustion regenerator of a kind of ultralow discharged nitrous oxides according to claim 1, it is characterised in that：Regeneration temperature
Spend for 700 ~ 900 DEG C, gas superficial linear velocity is 0.2 ~ 8.0 meter per second, regenerator dilute-phase zone excess air coefficient is 1.0 ~ 1.1.
9. the regeneration technology of the rear combustion regenerator of the arbitrary described a kind of ultralow discharged nitrous oxides of claim 1 ~ 8, it is special
Levy and be：
1）, open main air blower, main wind pass through air main（8）Emulsion zone is entered with the main wind of main wind distributor mean allocation（1）, dimension
Internal regenerator reducing atmosphere is held, emulsion zone is entered by control（1）Air quantity ensure good grain fluidized characteristic；
2）, reclaimable catalyst Jing reclaimable catalyst delivery pipes（5）Into emulsion zone（1）, with Jing air mains（8）Fill with the distribution of main wind
Put the main wind counter current contacting after distribution；
3）, open after-burning blower fan, after-burning wind enters cyclone separator by after-burning air pipe line so that after-burning wind and cyclonic separation
Flue gas mixing in device, to dilute-phase zone（2）Interior offer solid combustible and oxygen needed for gas combustible combustion；
4）, through the burning of cyclone separator isolate flue gas and solid particle, the flue gas Jing cyclone separators after burning
The blast pipe that top is provided with is discharged, and solid particle enters emulsion zone（1）, and then by emulsion zone（1）The regenerated catalyst of bottom
Efferent duct（7）Discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611146899.3A CN106594717B (en) | 2016-12-13 | 2016-12-13 | A kind of rear combustion regenerator and its regeneration technology of ultralow discharged nitrous oxides |
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| CN106594717B CN106594717B (en) | 2019-05-03 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0303393A1 (en) * | 1987-08-12 | 1989-02-15 | Mobil Oil Corporation | NOx control in fluidized bed combustion process |
| CN101351259A (en) * | 2005-12-02 | 2009-01-21 | 巴斯福催化剂公司 | Lower temperature CO promoters for FCC with low NOx |
| CN101384335A (en) * | 2005-12-21 | 2009-03-11 | 普莱克斯技术有限公司 | Reduction of co and nox in regenerator flue gas |
| CN102489342A (en) * | 2011-11-25 | 2012-06-13 | 岳阳恒忠机械工程技术有限公司 | Catalytic cracking regenerated catalyst system and gas collecting method |
| CN104342196A (en) * | 2013-08-03 | 2015-02-11 | 中石化洛阳工程有限公司 | Catalytic cracking method and device thereof |
| CN104513670A (en) * | 2013-09-29 | 2015-04-15 | 中石化洛阳工程有限公司 | Catalytic cracking method and device |
-
2016
- 2016-12-13 CN CN201611146899.3A patent/CN106594717B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0303393A1 (en) * | 1987-08-12 | 1989-02-15 | Mobil Oil Corporation | NOx control in fluidized bed combustion process |
| CN101351259A (en) * | 2005-12-02 | 2009-01-21 | 巴斯福催化剂公司 | Lower temperature CO promoters for FCC with low NOx |
| CN101384335A (en) * | 2005-12-21 | 2009-03-11 | 普莱克斯技术有限公司 | Reduction of co and nox in regenerator flue gas |
| CN102489342A (en) * | 2011-11-25 | 2012-06-13 | 岳阳恒忠机械工程技术有限公司 | Catalytic cracking regenerated catalyst system and gas collecting method |
| CN104342196A (en) * | 2013-08-03 | 2015-02-11 | 中石化洛阳工程有限公司 | Catalytic cracking method and device thereof |
| CN104513670A (en) * | 2013-09-29 | 2015-04-15 | 中石化洛阳工程有限公司 | Catalytic cracking method and device |
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