CN102329634A - Technological process and device for increasing catalyst-oil ratio of spent catalytic cracking catalyst during micro-regeneration - Google Patents
Technological process and device for increasing catalyst-oil ratio of spent catalytic cracking catalyst during micro-regeneration Download PDFInfo
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- CN102329634A CN102329634A CN201110255775A CN201110255775A CN102329634A CN 102329634 A CN102329634 A CN 102329634A CN 201110255775 A CN201110255775 A CN 201110255775A CN 201110255775 A CN201110255775 A CN 201110255775A CN 102329634 A CN102329634 A CN 102329634A
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Abstract
The invention relates to a technological process and device for increasing catalyst-oil ratio of a spent catalytic cracking catalyst during micro-regeneration, in particular to a technological device for increasing the catalyst-oil ratio of the spent catalyst for a catalytic cracking device during micro-regeneration. The technical scheme is that: the device mainly comprises a catalyst contact reactor which is internally provided with two sections of conical turbulent flow mixers and a fluidization steam and plug steam distribution disc; the upper part of the catalyst contact reactor is communicated with a riser; the central part on the left side of the contact reactor is communicated with a spent material pipe; the lower part on the right side of the contact reactor is communicated with a recycled material pipe; the upper part of the contact reactor is provided with a pressurized dry-gas pipeline; the bottom part of the contact reactor is provided with internal fluidization steam, pre-lifting steam and pre-lifting dry-gas pipelines; the communication part between the recycled material pipe and the contact reactor is in the middle of the fluidization steam and plug steam distribution disc and the two sections of conical turbulent flow mixers; and the communication part between the spent material pipe and the contact reactor is in the middle of the two sections of conical turbulent flow mixers; and the spent catalyst, the recycled material pipe, the dry-gas pipeline and the steam pipeline are provided with automatic regulating valves. The invention has the advantages of reducing unvaporized oil and carbon deposit on the spent catalyst, temperature of the catalyst entering into the riser as well as dry-gas yield and coke formation, increasing activity of the catalyst and the catalytic cracking catalyst-oil ratio, effectively increasing conversion rate and selectivity of catalytic cracking reaction and realizing clean production and clean oil production.
Description
Technical field:
The present invention relates to a kind of technical process and device that the little regeneration of spent catalytic cracking agent increases agent-oil ratio that have, particularly relate to a kind of little regeneration of spent agent that has, reduce catalyst temperature, improve the processing unit that catalyst activity increases the catalytic cracking agent-oil ratio.
Background technology:
Raw oil heaviness and poor qualityization increases the weight of in recent years; Domestic main oil refining complete processing heavy oil catalytically cracking equipment is mixed refining causes the green coke amount than rising significantly increase with heavy oil; This has increased refinery greatly and has burnt the loss of energy consumption and dry gas, make CCU to occur that machining load reduces, product distributes undesirable, comprehensive energy consumption rises, can't the operation of ensuring equipment LP safety and steady etc. problem.Because of the development of environmental requirement increasingly stringent and low-carbon economy, oil quality upgrading and energy-saving and emission-reduction have become the important topic of oil Refining Technologies development.Catalytic cracking is the of paramount importance link of oil refinery; If can effectively improve the transformation efficiency and the selectivity of catalytic cracking reaction; Reduce dry gas output and green coke amount, promptly meet the theory of " energy-saving and emission-reduction, low-carbon economy ", can economize on resources, reduce oil refining enterprise running cost again.
Summary of the invention:
Patent purpose of the present invention is exactly the deficiency to above-mentioned prior art; Provide a kind of have make full use of micro amount of oxygen and the heat that regenerator carries; Mix with the part spent agent and to carry out little regenerative response; It is active to improve this part spent agent, reduces catalyst temperature, increases the novel process flow sheet equipment of CCU agent-oil ratio.
Its technical scheme is: mainly be made up of its set inside two sections taper flow-disturbings mixing tank and fluidization steam vapor horizontal sliding steam distribution dish the catalyzer contact reactor.Catalyzer contact reactor top and riser tube UNICOM, the contact reactor left side central portion with treat raw material pipe UNICOM, lower right side and reworked material pipe UNICOM; Contact reactor top is provided with pressurising dry gas pipeline, fluidization steam vapor in the bottom is provided with, in advance promote steam, promote the dry gas pipeline in advance.Regenerator material pipe and contact reactor connection position are positioned at fluidization steam vapor horizontal sliding steam distribution dish and two sections taper flow-disturbing mixing tank mid-ways, and spent agent material pipe and contact reactor connection position are positioned at two sections taper flow-disturbing mixing tank mid-ways.Spent agent, regenerator material pipe and dry gas pipeline, vapour line all are provided with automatic regulating valve.
Patent of the present invention gets into contact reactor through the regenerator of catalytic cracking by regenerator material pipe; Fluidization steam vapor horizontal sliding steam distribution dish with regenerator and spent agent by two sections abundant contact heat-exchangings of taper flow-disturbing mixing tank; And carry out little regenerative response; Reduce the temperature of regenerator when having improved the spent agent micro-activity, realized improving the purpose of catalytic cracking agent-oil ratio.
The beneficial effect of patent of the present invention is: through newly-increased little regeneration reactor that is used for spent agent and regenerator hybrid reaction in the riser tube bottom; The part reclaimable catalyst of drawing is fully contacted with regenerated catalyst from revivifier; And carry out little regenerative response; To reduce non-vaporization gasoline and carbon deposit on the spent agent, improve activity of such catalysts; Reduce getting into the riser tube catalyst temperature simultaneously, reach the purpose that increases the catalytic cracking agent-oil ratio, effectively improve the transformation efficiency and the selectivity of catalytic cracking reaction, reduce dry gas output and green coke amount, realize cleaner production and produce the cleaning oil product.
Description of drawings:
Accompanying drawing 1 is a kind of embodiment schematic flow sheet of patent of the present invention;
Symbol is represented respectively as follows among the figure:
1: contact reactor 2: riser tube 3: treat the raw material pipe
4: reworked material pipe 5: taper flow-disturbing mixing tank 6: fluidization steam vapor horizontal sliding steam distribution dish
A: dry gas B: fluidization steam vapor C: promote steam in advance
D: promote dry gas in advance
Embodiment:
Do further to describe in conjunction with 1 pair of patent of the present invention of accompanying drawing, but patent of the present invention is not limited thereto embodiment;
A kind ofly have that little regeneration reactor 1 that the little regeneration of spent catalytic cracking agent increases the agent-oil ratio technological process device comprises riser tube 2, treats raw material pipe 3 at present embodiment, reworked material pipe 4, taper flow-disturbing mixing tank 5 and fluidization steam vapor horizontal sliding steam distribution dish 6;
Its technical scheme is: mainly be made up of two sections taper flow-disturbings of its set inside mixing tank 5 and fluidization steam vapor horizontal sliding steam distribution dish 6 catalyzer contact reactor 1.Catalyzer contact reactor top and riser tube 2 UNICOMs, the contact reactor left side central portion with treat raw material pipe 3 UNICOMs, lower right side and reworked material pipe 4 UNICOMs; Contact reactor top is provided with pressurising dry gas pipeline A, the bottom be provided with fluidization steam vapor pipeline B, in advance promote vapour line C, promote dry gas pipeline D in advance.Regenerator material pipe and contact reactor connection position are positioned at fluidization steam vapor horizontal sliding steam distribution dish and two sections taper flow-disturbing mixing tank mid-ways, and spent agent material pipe and contact reactor connection position are positioned at two sections taper flow-disturbing mixing tank mid-ways.Spent agent, regenerator material pipe and dry gas pipeline, vapour line all are provided with automatic regulating valve.The low temperature spent agent flows to contact reactor 1 middle part through treating raw material pipe 3 by the settling vessel bottom, and through treating its flow of valve control on the raw material pipe 3.On the reworked material pipe 4 autocontrol valve is installed, opens the valve on the reworked material pipe 4, regenerator is sent into the bottom of contact reactor 1 from reworked material pipe 4.Taper flow-disturbing mixing tank 5 is equipped with in contact reactor 1 inside; Cryogenic reclaimable catalyst streams baffle plate 5 middle parts by treating that raw material pipe 3 flows to; The high-temperature regenerated catalyst that comes with contact reactor 1 bottom mixes streaming between the baffle plate; And carry out little regenerative response, realize reducing the temperature of contact reactor internal activator.
Claims (8)
1. one kind has technical process and the device that the little regeneration of spent catalytic cracking agent increases agent-oil ratio, it is characterized in that: use have fluidization steam vapor horizontal sliding steam distribution dish 6, two sections contact reactors 1 that taper flow-disturbing mixing tank 5 is formed;
2. technical process and the device with the little regeneration increase of spent catalytic cracking agent agent-oil ratio according to claim 1 is characterized in that: fluidization steam vapor horizontal sliding steam distribution dish 6 is used in contact reactor 1 bottom;
3. technical process and the device with the little regeneration increase of spent catalytic cracking agent agent-oil ratio according to claim 1, it is characterized in that: contact reactor 1 is provided with two sections taper flow-disturbing mixing tanks 5;
4. based on described technological process and the device of claim 1 with the little regeneration increase of spent catalytic cracking agent oil ratio; It is characterized in that: the upper end of contact reactor 1 is connected with riser 2; The left side central portion of contact reactor 1 with treat raw material pipe 3 UNICOMs, the lower right side of contact reactor 1 and reworked material pipe 4 UNICOMs;
5. based on described technological process and the device of claim 1 with the little regeneration increase of spent catalytic cracking agent oil ratio; It is characterized in that: the top of contact reactor 1 and dry gas pipeline link; The lower end of contact reactor 1 and fluidization steam vapor pipeline promote steam pipe line in advance, promote the dry gas pipeline in advance and link;
6. based on described technological process and the device of claim 5 with the little regeneration increase of spent catalytic cracking agent oil ratio; It is characterized in that: at the fluidization steam vapor pipeline; Promote in advance steam pipe line, promote autocontrol valve all is installed on the dry gas pipeline in advance, in order to the flow of control steam and dry gas;
7. technical process and the device with the little regeneration increase of spent catalytic cracking agent agent-oil ratio according to claim 4, it is characterized in that: raw material pipe 3, reworked material pipe 4 are all installed automatically controlled valve;
8. technical process and the device with the little regeneration increase of spent catalytic cracking agent agent-oil ratio according to claim 4; It is characterized in that: reworked material pipe 4 is installed in the contact reactor bottom; Be higher than fluidization steam vapor horizontal sliding steam distribution dish 6, be lower than two sections taper flow-disturbing mixing tank positions; Treat that raw material pipe 3 is installed in the middle of two sections taper flow-disturbing mixing tanks 5, be higher than reworked material pipe 4 and contact reactor UNICOM end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110255775A CN102329634A (en) | 2011-08-31 | 2011-08-31 | Technological process and device for increasing catalyst-oil ratio of spent catalytic cracking catalyst during micro-regeneration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110255775A CN102329634A (en) | 2011-08-31 | 2011-08-31 | Technological process and device for increasing catalyst-oil ratio of spent catalytic cracking catalyst during micro-regeneration |
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| CN102329634A true CN102329634A (en) | 2012-01-25 |
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| CN201110255775A Pending CN102329634A (en) | 2011-08-31 | 2011-08-31 | Technological process and device for increasing catalyst-oil ratio of spent catalytic cracking catalyst during micro-regeneration |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690675A (en) * | 2012-05-24 | 2012-09-26 | 中国石油大学(北京) | Catalytic cracking pre-lifter having functions of fast mixing cold and hot catalysts |
| US8936761B1 (en) | 2013-08-21 | 2015-01-20 | Uop Llc | Apparatuses and risers for reacting feedstock in the presence of catalyst and methods for fabricating risers |
| US9073030B2 (en) | 2013-08-21 | 2015-07-07 | Uop Llc | Apparatuses and risers for reacting feedstock in the presence of catalyst and methods for installing baffles in risers |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992005129A1 (en) * | 1990-09-14 | 1992-04-02 | Mobil Oil Corporation | Reduction of benzene content of reformate in a catalytic cracking unit |
| CN1710029A (en) * | 2005-07-01 | 2005-12-21 | 中国石油化工集团公司 | Catalytic cracking method and apparatus |
| CN201016112Y (en) * | 2007-03-01 | 2008-02-06 | 中国石油化工集团公司 | Double-lifted pipe catalytic cracking device |
| CN201842821U (en) * | 2010-11-11 | 2011-05-25 | 中国石油天然气股份有限公司长庆石化分公司 | Device for reducing contact temperature of catalyst of catalytic cracking rising pipe mixing section |
-
2011
- 2011-08-31 CN CN201110255775A patent/CN102329634A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992005129A1 (en) * | 1990-09-14 | 1992-04-02 | Mobil Oil Corporation | Reduction of benzene content of reformate in a catalytic cracking unit |
| CN1710029A (en) * | 2005-07-01 | 2005-12-21 | 中国石油化工集团公司 | Catalytic cracking method and apparatus |
| CN201016112Y (en) * | 2007-03-01 | 2008-02-06 | 中国石油化工集团公司 | Double-lifted pipe catalytic cracking device |
| CN201842821U (en) * | 2010-11-11 | 2011-05-25 | 中国石油天然气股份有限公司长庆石化分公司 | Device for reducing contact temperature of catalyst of catalytic cracking rising pipe mixing section |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102690675A (en) * | 2012-05-24 | 2012-09-26 | 中国石油大学(北京) | Catalytic cracking pre-lifter having functions of fast mixing cold and hot catalysts |
| CN102690675B (en) * | 2012-05-24 | 2015-05-06 | 中国石油天然气股份有限公司 | Catalytic cracking pre-raiser with cold and hot catalyst rapid mixing function |
| US8936761B1 (en) | 2013-08-21 | 2015-01-20 | Uop Llc | Apparatuses and risers for reacting feedstock in the presence of catalyst and methods for fabricating risers |
| US9073030B2 (en) | 2013-08-21 | 2015-07-07 | Uop Llc | Apparatuses and risers for reacting feedstock in the presence of catalyst and methods for installing baffles in risers |
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Application publication date: 20120125 |