CN204503038U - A kind of side riser vortex quick separation reactor - Google Patents
A kind of side riser vortex quick separation reactor Download PDFInfo
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- CN204503038U CN204503038U CN201520128561.XU CN201520128561U CN204503038U CN 204503038 U CN204503038 U CN 204503038U CN 201520128561 U CN201520128561 U CN 201520128561U CN 204503038 U CN204503038 U CN 204503038U
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- settler
- riser
- seal closure
- feed tube
- central feed
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Abstract
A kind of side riser vortex quick separation reactor, belongs to petrochemical industry, fluidizing apparatus technical field, for solving side riser settler coking and block form device sets up fast bed reactor difficult arrangement problem.Comprise settler, stripping section, side riser, top revolve, dipleg, flutter valve, it is characterized in that: built-in eddy flow quick disconnector is set, built-in eddy flow quick disconnector comprises seal closure, central feed tube, cyclone, and side riser upper level or oblique fold stretch into from settler bottom and be connected with central feed tube lower end; Seal closure upper end is revolved with top and is connected, and bottom is provided with transom window, and lower end is connected with bottom settler; Settler bottom arranges division board.Can realize adopting built-in vortex quick separation when the single, double riser of side and block form device set up fast bed reactor, reduce the cracking of oil gas excessive heat, avoid settler coking.Especially be applied to block form side list double lifting leg device and set up fast bed reactor.
Description
Technical field
The utility model belongs to petrochemical industry, fluidizing apparatus technical field, particularly a kind of side riser vortex quick separation reactor.
Background technology
Refinery catalytic cracking unit's riser reactor outlet is all provided with fast gas-solid separator, for realizing oil gas and catalyst quick separating, stopping cracking reaction.Most device riser reactor outlet arranges 1 ~ 4 primary cyclone (be called for short and slightly revolve).Thick spin material leg discharges catalyst under positive differential pressure condition, discharge 15% ~ 30% oil gas simultaneously, this part oil gas is discharged then slow flow and is reached 40 ~ 80 seconds to the top time of staying in settler bottom, there is the reactions such as obvious excessive heat cracking, condensation under 500 DEG C of high temperature, yield of light oil is caused to reduce, even in settler coking during processing heavy oil.Some devices extend up near the screw-in mouth of top by slightly revolving riser, this scheme oil gas main flow time of staying significantly shortens, but 15% ~ 30% oil gas that thick spin material leg is discharged is in the settler time of staying longer (80 ~ 110 seconds), the trend that settler has coking more serious.Coaxial-type FCC apparatus or block form side list riser or double lifting leg device, leg outlet adopts and slightly revolves fast point, during processing heavy oil, thick spin material leg discharge section oil gas reaches 80 ~ 110 seconds in the settler time of staying and causes the serious coking of settler, has become the current Important Problems affecting heavy oil FCC device long-term operation.
Block form catalytic cracking unit, improve quality of gasoline set up fast bed reactor on riser top time, fast bed reactor is arranged between stripping section bottom and riser (cracking zone) upper end, existing block form catalytic cracking unit this section of space can not meet the requirement of fast bed height for reactor, and namely conventional block form catalytic cracking unit is set up fast bed reactor and can not be realized.
Summary of the invention
The purpose of this utility model is to provide a kind of side riser vortex quick separation method for designing and reactor, can solve side list riser or double lifting leg device settler oil gas overstand, the cracking of oil gas excessive heat, settler coking problem; And block form riser top can be realized set up fast bed reactor, adopt built-in enclosed eddy flow quick disconnector.
The utility model solves the technical scheme that its technical problem adopts: comprise settler, stripping section, side riser, top are revolved, dipleg, flutter valve, it is characterized in that: built-in eddy flow quick disconnector is set, built-in eddy flow quick disconnector comprises seal closure, central feed tube, cyclone, and side riser upper level or oblique fold stretch into from settler bottom and be connected with central feed tube lower end; Seal closure upper end screws in mouth through airtight tube connector with top and is connected, and bottom is provided with some transom windows, and lower end is connected with bottom settler or stripping section top; Settler bottom arranges division board, and seal closure, dipleg lower end reach below it through division board.
Further, seal closure is cylindrical structure or conical structure or cylinder and circular cone combining structure; Cyclone is provided with 2 ~ 8 runners, and runner is bend pipe structure or worm frame, and cross section is rectangle or trapezoidal, and runner is horizontally disposed with or downward-sloping setting; Exhaust isolating cylinder or isolation cone can also be set.
Further, can also arrange fast bed reactor, upper end is connected with carrier pipe, and carrier pipe upper level or oblique fold stretch into from settler bottom and be connected with central feed tube lower end.
Further, can also arrange the second side riser, upper level or oblique fold stretch into from settler bottom and are connected with central feed tube lower end.
The utility model innovative point and good effect:
The utility model innovative point is: arrange built-in eddy flow quick disconnector, and built-in eddy flow quick disconnector comprises seal closure, central feed tube, cyclone, and side riser upper level or oblique fold stretch into from settler bottom and be connected with central feed tube lower end; Seal closure upper end screws in mouth through airtight tube connector with top and is connected, and bottom is provided with some transom windows, and lower end is connected with bottom settler or stripping section top; Settler bottom arranges division board, and seal closure, dipleg lower end reach below it through division board.
The utility model good effect is: 1, solve side list riser or the cracking of double lifting leg device settler oil gas overstand oil gas excessive heat, settler coking problem; 2, arrange that the spatial altitude of fast bed reactor increases ~ 8 meters, block form FCC apparatus is set up fast bed reactor and is adopted built-in enclosed eddy flow quick disconnector to become a reality.
Accompanying drawing explanation
Fig. 1 is a kind of side riser vortex quick separation reactor schematic diagram.
1-oil gas vent, 2-revolves blast pipe in top, and 3-pushes up precession tracheae, 4-revolves on top, 5-seal closure blast pipe, 6-cyclone, 7-seal closure, 8-dipleg, 9-flutter valve, 10-stripping section, the main riser of 11-, 12-collection chamber, 13-steam loop, 14-compensator, 15-settler, 16-division board, 17-transom window, 21-central feed tube.
Fig. 2 is another kind of side riser vortex quick separation reactor schematic diagram.
1-oil gas vent, 2-revolves blast pipe in top, and 3-pushes up precession tracheae, and 4-revolves on top, 5-seal closure blast pipe, 6-cyclone, 7-seal closure, 8-dipleg, 9-flutter valve, 10-stripping section, the main riser of 11-, 12-collection chamber, 13-steam loop, 14-compensator, 15-settler, 16-division board, 17-transom window, 18-second riser, 21-central feed tube.
Fig. 3 is another kind of side riser vortex quick separation reactor schematic diagram.
1-oil gas vent, 2-revolves blast pipe in top, and 3-pushes up precession tracheae, and 4-revolves on top, 5-seal closure blast pipe, 6-cyclone, 7-seal closure, 8-dipleg, 9-flutter valve, 10-stripping section, the main riser of 11-, 12-collection chamber, 13-steam loop, 14-compensator, 15-settler, 16-division board, 17-transom window, 19-fast bed reactor, 20-carrier pipe, 21-central feed tube.
Detailed description of the invention
See Fig. 1 ~ Fig. 3, Fig. 1 is one-sided riser vortex quick separation reactor, and Fig. 2 is double-side lifting pipe vortex quick separation reactor, and Fig. 3 is the side riser vortex quick separation reactor of band fast bed reactor.Oil gas vent 1, collection chamber 12 and anti-scorch steam loop 13 are arranged at settler 15 top.Central feed tube 21 upper end reaches seal closure 7 inside and is connected with cyclone 6.Seal closure 7 is cylindrical structures, and bottom is provided with some transom windows 17, and upper end is revolved 4 with top be connected through seal closure blast pipe 5 (being provided with compensator 14), top precession tracheae 3.Top is revolved 4 upper ends and is revolved blast pipe 2 be connected with collection chamber 12 through top, lower end connection dipleg 8 and flutter valve 9.Settler bottom arranges division board 16, and seal closure 7 bottom, dipleg 8 bottom and flutter valve 9 reach below it through division board 16.It is inner that Fig. 1 main riser 11 top inclined tube reaches settler 15 in cone segments, and stretch into seal closure 7 inside from transom window 17 and be connected with central feed tube 21 lower end.It is inner that the main riser 11 of Fig. 2 and the second riser 18 top inclined tube reach settler 15 in cone segments, stretches into seal closure 7 inside be respectively connected with central feed tube 21 lower end from transom window 17.Fig. 3 main riser 11 upper end is connected with fast bed reactor 19 lower end, it is inner that carrier pipe 20 top inclined tube reaches settler 15 in cone segments, and from transom window 17 stretch into seal closure 7 inside be connected with central feed tube 21 lower end, carrier pipe 20 lower end is connected with fast bed reactor 19 upper end.
See Fig. 1 ~ Fig. 3, the mixture of reaction oil gas and catalyst exports outflow from central feed tube 21 and enters cyclone 6, then tangentially enter in seal closure 7, oil gas and catalyst rotate in seal closure 7, under centrifugal action, carry out gas solid separation, its separative efficiency reaches more than 98%.Primary purifying oil gas enters top revolve 4 through seal closure blast pipe 5, top precession tracheae 3, revolves in 4 again carry out centrifugation on top, and purification oil gas revolves blast pipe 2 and enters collection chamber 12 and discharge through oil gas vent 1 through top.The catalyst that primary separation is got off falls into the stripping section 10 of below along seal closure 7 inwall; The catalyst that dipleg 8 and flutter valve 9 are discharged falls into bottom settler, enters in stripping section 10 through transom window 17; Steam is fed in anti-scorch steam loop 13, steam is full of settler 15, from the slit flow of division board 16 and sedimentation wall, dipleg, seal closure to division board 16, a small amount of oil gas of discharging with flutter valve 9 enters seal closure 7 bottom through transom window 17, then enters in seal closure 7 from end opening together with stripping gas.Fig. 1 main riser 11 oil gas and catalyst enter central feed tube 21 through top inclined tube.Oil gas and the catalyst of the main riser 11 of Fig. 2 and the second riser 18 enter central feed tube 21 through top inclined tube respectively.Fig. 3 main riser 11 oil gas and catalyst flow out from upper end and enter fast bed reactor 19, flow out from its upper end and enter carrier pipe 20, then enter central feed tube 21 through carrier pipe 20 top inclined tube after conversion reaction.
Claims (4)
1. a side riser vortex quick separation reactor, comprise settler, stripping section, side riser, top revolve, dipleg, flutter valve, it is characterized in that: built-in eddy flow quick disconnector is set, built-in eddy flow quick disconnector comprises seal closure, central feed tube, cyclone, and side riser upper level or oblique fold stretch into from settler bottom and be connected with central feed tube lower end; Seal closure upper end screws in mouth through airtight tube connector with top and is connected, and bottom is provided with some transom windows, and lower end is connected with bottom settler or stripping section top; Settler bottom arranges division board, and seal closure, dipleg lower end reach below it through division board.
2. side according to claim 1 riser vortex quick separation reactor, is characterized in that: seal closure is cylindrical structure or conical structure or cylinder and circular cone combining structure; Cyclone is provided with 2 ~ 8 runners, and runner is bend pipe structure or worm frame, and cross section is rectangle or trapezoidal, and runner is horizontally disposed with or downward-sloping setting; Exhaust isolating cylinder or isolation cone can also be set.
3. side according to claim 1 riser vortex quick separation reactor, is characterized in that: can also arrange fast bed reactor, upper end is connected with carrier pipe, and carrier pipe upper level or oblique fold stretch into from settler bottom and be connected with central feed tube lower end.
4. side according to claim 1 riser vortex quick separation reactor, is characterized in that: can also arrange the second side riser, and upper level or oblique fold stretch into from settler bottom and be connected with central feed tube lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128561.XU CN204503038U (en) | 2015-03-06 | 2015-03-06 | A kind of side riser vortex quick separation reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128561.XU CN204503038U (en) | 2015-03-06 | 2015-03-06 | A kind of side riser vortex quick separation reactor |
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| CN204503038U true CN204503038U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520128561.XU Expired - Fee Related CN204503038U (en) | 2015-03-06 | 2015-03-06 | A kind of side riser vortex quick separation reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108025274A (en) * | 2015-09-30 | 2018-05-11 | 陶氏环球技术有限责任公司 | Catalyst regenerator and the riser terminal organ wherein used |
| CN110387253A (en) * | 2018-04-19 | 2019-10-29 | 中国石油大学(华东) | A kind of two-stage riser fluid catalytic cracking anti-coking settler |
| CN115305113A (en) * | 2021-05-07 | 2022-11-08 | 中国石油化工股份有限公司 | Double-riser settler |
-
2015
- 2015-03-06 CN CN201520128561.XU patent/CN204503038U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108025274A (en) * | 2015-09-30 | 2018-05-11 | 陶氏环球技术有限责任公司 | Catalyst regenerator and the riser terminal organ wherein used |
| CN108025274B (en) * | 2015-09-30 | 2021-03-09 | 陶氏环球技术有限责任公司 | Catalyst regenerator and riser termination used therein |
| CN110387253A (en) * | 2018-04-19 | 2019-10-29 | 中国石油大学(华东) | A kind of two-stage riser fluid catalytic cracking anti-coking settler |
| CN115305113A (en) * | 2021-05-07 | 2022-11-08 | 中国石油化工股份有限公司 | Double-riser settler |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 100070 Beijing Fengtai District Fangfei Road 88 Courtyard Building 2 Unit 202 Patentee after: Liu Yingju Address before: 100011 A0406, 4th Floor, Royal City International A Block, 136 Andingmenwai Street, Dongcheng District, Beijing Patentee before: Liu Yingju |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20190306 |