CN204583150U - A kind of outer riser totally-enclosed anti-coking settler - Google Patents
A kind of outer riser totally-enclosed anti-coking settler Download PDFInfo
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- CN204583150U CN204583150U CN201520275162.6U CN201520275162U CN204583150U CN 204583150 U CN204583150 U CN 204583150U CN 201520275162 U CN201520275162 U CN 201520275162U CN 204583150 U CN204583150 U CN 204583150U
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- settler
- flutter valve
- dipleg
- cyclone cylinder
- cylinder
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Abstract
A kind of outer riser totally-enclosed anti-coking settler, belongs to petrochemical industry, fluidizing apparatus technical field, for solving reacting-settler, flutter valve coking problem.Comprise settler, riser, stripping section, anti-scorch steam loop, top are revolved, dipleg and flutter valve, it is characterized in that: adopt cyclone cylinder to divide soon, cyclone cylinder entrance is connected with leg outlet, upper end exhaust outlet to be revolved with top by airtight tube connector and is connected, and lower end is uncovered to be placed in settler bottom or to be connected with kuppe; Cyclone cylinder entrance opposite housing is provided with overlap joint support, arranges the spacing leading truck of level 4 side between cyclone cylinder bottom and settler; Arrange division board and the cylinder that steams out in settler bottom, fast point and dipleg lower end reach below it through division board, and dipleg lower end is connected with flutter valve, and a upper end of steaming out is uncovered to be connected with division board and to be communicated with, and lower end is arranged on around flutter valve.Solve settler, flutter valve coking problem, be applied to outer riser heavy oil catalytically cracking equipment etc.
Description
Technical field
The utility model belongs to petrochemical industry, fluidizing apparatus technical field, particularly the outer riser totally-enclosed anti-coking settler of one.
Background technology
Refinery catalytic cracking unit's riser reactor outlet is all provided with fast point, stops oil gas cracking reaction with the quick separating realizing oil gas and catalyst.Catalytic cracking unit leg outlet adopts 2 simple cyclone separators (be called for short and slightly revolve) usually, efficiency can reach more than 95%, thick spin material leg discharges catalyst under positive differential pressure, discharge 15% ~ 30% oil gas simultaneously, this part oil gas rises at a slow speed and enters top screw-in mouth in settler, and oil gas more than 30 seconds, at high temperature exists transition thermal cracking, condensation reaction in the settler time of staying, affect yield of light oil, easily in settler, flutter valve coking during processing heavy oil.Some devices extend up to top and screw near mouth by slightly revolving blast pipe and be flexible coupling, and the part oil gas time of staying that thick spin material leg is discharged is longer, and settler, flutter valve coking are even more serious.
For solving settler coking problem, patent CN2716269Y adopts and slightly revolves blast pipe with pushing up and screw in that mouth is airtight to be connected, in settler, wireway is set, its upper end and top are revolved that inlet tube is connected, lower end is uncovered and are reached to settler bottom, attempt that thick spin material leg is discharged oil gas to derive from settler bottom, thus shorten oil gas in the settler time of staying and solve settler coking problem.But the thick spin material leg of this scheme remains positive differential pressure discharge, 15% ~ 30% oil gas is still had to discharge from thick spin material leg, settler bottom is made to there is a large amount of oil gas, settler bottom and flutter valve still have coking to be inclined to, and easily introduce catalyst stack less when program wireway designs improper device operation fluctuation in addition.
Summary of the invention
The purpose of this utility model is to provide a kind of outer riser totally-enclosed anti-coking settler, effectively avoids oil gas in settler, flutter valve coking, and facility is stable, safe operation.
The utility model solves the scheme that its technical problem adopts: comprise settler, riser, stripping section, anti-scorch steam loop, top are revolved, dipleg and flutter valve, it is characterized in that: adopt cyclone cylinder to divide soon, cyclone cylinder entrance is connected with leg outlet, upper end exhaust outlet to be revolved with top by airtight tube connector and is connected, and lower end is uncovered to be placed in settler bottom or to be connected with kuppe; Cyclone cylinder entrance opposite housing is provided with overlap joint support, and it is connected with bearing support, and the bearing support other end is connected with settler inwall; The spacing leading truck of level 4 side is set between cyclone cylinder bottom and settler, restriction 4, cyclone cylinder bottom orientation horizontal displacement, and allows vertical sliding motion; Arrange division board and the cylinder that steams out in settler bottom, fast point and dipleg lower end reach below it through division board, and dipleg lower end is connected with flutter valve, and a upper end of steaming out is uncovered to be connected with division board and to be communicated with, and lower end is arranged on around flutter valve.
Further, the cylinder that steams out is that 1 jacket casing is around dipleg, flutter valve; Or 1 cylinder or rectangular cylinder or arc tube are arranged in dipleg, flutter valve radial outside, lower inside wall sets out steam ports; Or straight tube and sector drum combining structure, top is straight tube bottom is sector drum, and sector drum madial wall sets out steam ports; Or some straight tubes are arranged in around dipleg, flutter valve radial outside, lower inside wall sets out steam ports.
Further, kuppe is cylinder or pants barrel structure, height 1.5 ~ 6m, and barrel circumferentially arranges some strip transom windows; Kuppe lower end is connected with bottom settler, and upper end and cyclone cylinder soon a point bottom are connected.
The utility model innovative point and good effect:
The utility model innovative point is: adopt cyclone cylinder to divide soon, cyclone cylinder entrance is connected with leg outlet, and upper end exhaust outlet to be revolved with top by airtight tube connector and is connected, and lower end is uncovered to be placed in settler bottom or to be connected with kuppe; Cyclone cylinder entrance opposite housing is provided with overlap joint support, and it is connected with bearing support, and the bearing support other end is connected with settler inwall; The spacing leading truck of level 4 side is set between cyclone cylinder bottom and settler, restriction 4, cyclone cylinder bottom orientation horizontal displacement, and allows vertical sliding motion; Arrange division board and the cylinder that steams out in settler bottom, fast point and dipleg lower end reach below it through division board, and dipleg lower end is connected with flutter valve, and a upper end of steaming out is uncovered to be connected with division board and to be communicated with, and lower end is arranged on around flutter valve.
The utility model good effect is: 1, whole oil gas divides riser to revolve to top through cyclone cylinder soon, significantly shortens oil gas at the settler time of staying, reduction dry gas yied, raising product yield; 2, steam isolation is set at settler and solves settler coking, the cylinder that steams out is set and avoids flutter valve coking; 3, arrange overlap joint supporting, guiding facility, cyclone cylinder is divided soon, and facility is stable, safe long-term operation.
Accompanying drawing explanation
Fig. 1 is a kind of outer riser totally-enclosed anti-coking settler schematic diagram.
1-riser, 2-expansion appliance, the airtight tube connector of 3-, 4-overlaps support, 5-bearing support, 6-cyclone cylinder, 7-settler, the anti-scorch steam loop of 8-, 9-revolves on top, 10-dipleg, the spacing leading truck of 11-level 4 side, 12-steams out cylinder, 13-division board, 14-flutter valve, 15-stripping section.
Fig. 2 is another kind of outer riser totally-enclosed anti-coking settler schematic diagram.
1-riser, 2-expansion appliance, the airtight tube connector of 3-, 4-overlaps support, 5-bearing support, 6-cyclone cylinder, 7-settler, the anti-scorch steam loop of 8-, 9-revolves on top, 10-dipleg, the spacing leading truck of 11-level 4 side, 12A-steams out sleeve, 13-division board, 14-flutter valve, 15-stripping section.
Fig. 3 is another kind of outer riser totally-enclosed anti-coking settler schematic diagram.
1-riser, 2-expansion appliance, the airtight tube connector of 3-, 4-overlaps support, 5-bearing support, 6-cyclone cylinder, 7-settler, the anti-scorch steam loop of 8-, 9-revolves on top, 10-dipleg, the spacing leading truck of 11-level 4 side, 12A-steams out sleeve, 13-division board, 14-flutter valve, 15-stripping section, 16-kuppe.
Detailed description of the invention
See Fig. 1 ~ Fig. 3, arrange 1 ~ 2 cyclone cylinder 6 in settler 7, cyclone cylinder 6 entrance exports with riser 1 and is connected, and cyclone cylinder 6 upper end is revolved 9 entrances with top be connected through airtight tube connector 3, expansion appliance 2.Cyclone cylinder 6 entrance opposite housing is provided with overlap joint support 4, and it is connected with bearing support 5, and bearing support 5 other end is connected with settler 7 inwall.The spacing leading truck 11 of level 4 side is set between cyclone cylinder 6 bottom and settler 7, restriction 4, cyclone cylinder 6 bottom orientation horizontal displacement, and allows vertical sliding motion.Arrange division board 13 in settler 7 bottom, cyclone cylinder 6, dipleg 10 lower end reach below division board 13, and dipleg 10 lower end is connected with flutter valve 14; Fig. 1 arranges some cylinders 12 (identical with flutter valve quantity) that steams out, and the cylinder 12 that steams out is arranged on dipleg 10, flutter valve 14 radial outside, and its upper end is uncovered to be connected with division board and to be communicated with, and its underpart madial wall (towards flutter valve) is provided with venthole; Fig. 2, Fig. 3 arrange some sleeve 12A that steams out, and the sleeve 12A that steams out is enclosed within around dipleg, flutter valve, and its upper end is uncovered to be connected with division board and to be communicated with, and its underpart madial wall (towards flutter valve) is provided with venthole.Fig. 3 kuppe 16 lower end is connected with bottom settler 7, and upper end is connected with cyclone cylinder 6 bottom, and kuppe 16 barrel circumferentially arranges some strip transom windows.
See Fig. 1 ~ Fig. 3, reaction oil gas and catalyst mixture export from riser 1 and flow out, cyclone cylinder 6 is entered from entrance tangent, gas-solid mixture rotates in cyclone cylinder 6, under centrifugal action solid catalyst to cyclone cylinder 6 inwall concentrate, oil gas to realization response oil gas in center set and catalyst quick separating, separate catalyst by gravity along cyclone cylinder 6 inwall fall below stripping section 9.Oil gas is drawn from cyclone cylinder 6 top center exhaust outlet, introduces after 9 further gas solid separation are revolved on top discharge through airtight connecting pipe 3.Feed steam at anti-scorch steam loop 8, steam is full of settler 7 cross section and slowly flows downward, and steam blowing is carried out to flutter valve in the below that Fig. 1 is directed to division board 13 through steam out cylinder 12/ Fig. 2, Fig. 3 through the sleeve 12A that steams out; It is inner that Fig. 1, Fig. 2 sweep gas enters cyclone cylinder 6 from cyclone cylinder 6 end opening together with stripping gas, and Fig. 3 sweep gas enters from strip transom window and enter cyclone cylinder 6 inside through kuppe 16 from end opening together with stripping gas.A small amount of oil gas of discharging due to obstruct stripping gas and the flutter valve 14 of division board 13 is limited in division board 13 underlying space, only has steam without oil gas thus thoroughly avoid oil gas in settler 7 coking above division board 13; What through the cylinder 12/ that steams out, flutter valve 14 a small amount of oil gas of discharging steamed out that sleeve 12A guides purges steam to take away in time thus avoid oil gas gather coking around flutter valve 14.
Claims (3)
1. an outer riser totally-enclosed anti-coking settler, comprise settler, riser, stripping section, anti-scorch steam loop, top are revolved, dipleg and flutter valve, it is characterized in that: adopt cyclone cylinder to divide soon, cyclone cylinder entrance is connected with leg outlet, upper end exhaust outlet to be revolved with top by airtight tube connector and is connected, and lower end is uncovered to be placed in settler bottom or to be connected with kuppe; Cyclone cylinder entrance opposite housing is provided with overlap joint support, and it is connected with bearing support, and the bearing support other end is connected with settler inwall; The spacing leading truck of level 4 side is set between cyclone cylinder bottom and settler, restriction 4, cyclone cylinder bottom orientation horizontal displacement, and allows vertical sliding motion; Arrange division board and the cylinder that steams out in settler bottom, fast point and dipleg lower end reach below it through division board, and dipleg lower end is connected with flutter valve, and a upper end of steaming out is uncovered to be connected with division board and to be communicated with, and lower end is arranged on around flutter valve.
2. outer riser totally-enclosed anti-coking settler according to claim 1, is characterized in that: the cylinder that steams out is that 1 jacket casing is around dipleg, flutter valve; Or 1 cylinder or rectangular cylinder or arc tube are arranged in dipleg, flutter valve radial outside, lower inside wall sets out steam ports; Or straight tube and sector drum combining structure, top is straight tube bottom is sector drum, and sector drum madial wall sets out steam ports; Or some straight tubes are arranged in around dipleg, flutter valve radial outside, lower inside wall sets out steam ports.
3. outer riser totally-enclosed anti-coking settler according to claim 1, is characterized in that: kuppe is cylinder or pants barrel structure, height 1.5 ~ 6m, and barrel circumferentially arranges some strip transom windows; Kuppe lower end is connected with bottom settler, and upper end and cyclone cylinder soon a point bottom are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275162.6U CN204583150U (en) | 2015-05-04 | 2015-05-04 | A kind of outer riser totally-enclosed anti-coking settler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275162.6U CN204583150U (en) | 2015-05-04 | 2015-05-04 | A kind of outer riser totally-enclosed anti-coking settler |
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| CN204583150U true CN204583150U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520275162.6U Expired - Fee Related CN204583150U (en) | 2015-05-04 | 2015-05-04 | A kind of outer riser totally-enclosed anti-coking settler |
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Cited By (1)
| 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 |
-
2015
- 2015-05-04 CN CN201520275162.6U patent/CN204583150U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| 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: 20150826 Termination date: 20200504 |