CN103497780B - Catalytic slurry oil continuous filtration and extraction device - Google Patents
Catalytic slurry oil continuous filtration and extraction device Download PDFInfo
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- CN103497780B CN103497780B CN201310471637.4A CN201310471637A CN103497780B CN 103497780 B CN103497780 B CN 103497780B CN 201310471637 A CN201310471637 A CN 201310471637A CN 103497780 B CN103497780 B CN 103497780B
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- slag
- filtrating area
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- distribution piping
- continuous filtration
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Abstract
The invention discloses a catalytic slurry oil continuous filtration and extraction device which is provided with a slag slurry settling separation area (12), a filtering area (23) and an extraction liquid separation area (18) sequentially from bottom to top and is provided with a backflushing component of the filtering area, wherein the backflushing component comprises a distribution head (14) mounted at the top, a distribution pipe (5) extending to the filtering area from top to bottom and multiple backflushing nozzles (7) distributed on the filtering area and communicated with the distribution pipe; the distribution head consists of a static liquid distribution disc (2) and a dynamic liquid distribution disc (15) which can be periodically communicated with the static liquid distribution disc or closed during rotation so as to distribute the backflushing liquid through the distribution pipe. The device disclosed by the invention has the characteristics of simple structure, easiness in operation and control, high efficiency and the like and is easy to popularize and use.
Description
Technical field
The present invention relates to refinery by-product oil product deep processing equipment, is a kind of catalytic slurry continuous filtration extraction plant specifically.
Background technology
The annual working ability of China's catalytic cracking (FCC) is more than 100,000,000 tons, externally extracting oil amount accounts for 5% ~ 10% of FCC apparatus treatment capacity, and along with continuous increase and raw material heaviness, the in poor quality day by day of catalytic unit processing power, the output of slurry oil will increase further.At present, catalytically cracked oil is used for mixing except refining raw material of the devices such as delayed coking except a part, it is oily that major part is used for Blended fuel.Because China's oil fuel excise amount of tax to be paid significantly improves, slurry oil is needed to pay the great number oil fuel excise as oil fuel, increases the input of enterprise.
In slurry oil except the component containing the cracking again of a large amount of carrying out, also have a large amount of condensed-nuclei aromaticss, this compositing characteristic of slurry oil can be utilized to have high value-added product to produce rubber plastizing agent, needle coke etc.Good economic benefit will be brought to oil refining enterprise to its exploitation.Containing a certain amount of catalyst fines in catalytically cracked oil, tired reasonable development application of scratching catalytically cracked oil.
The present invention is directed to the filtration and extracting operation often taked in catalytically cracked oil processed and applied, devise a kind of catalytic slurry continuous filtration extraction plant.
Summary of the invention
The object of the invention is to the filtration for employing normal in catalytically cracked oil processed and applied and extracting operation, provide a kind of catalytic slurry continuous filtration to extract coupling device.
Object of the present invention can be achieved by the following technical measures:
A kind of catalytic slurry continuous filtration extraction plant, set gradually slag from bottom to top and starch settlement separate district, filtrating area and extraction liquid disengaging zone, and recoil Xian assembly of filtrating area is installed, it is characterized in that, this recoil Xian assembly comprises the distributor head being arranged on top, the distribution piping extending to filtrating area from top to bottom and is distributed in the multiple back flushing nozzles be communicated with distribution piping above filtrating area; This distributor head is by quiet liquor preparation disk and can periodically be communicated with quiet liquor preparation disk in rotation or closed thus realize by distribution piping the dynamic liquor preparation disk that backwash liquid distributes and form.
In above-mentioned, dynamic liquor preparation disk is driven by rotating shaft, and quiet liquor preparation disk is connected with counter-flushing liquid storage tank by counter-flushing liquid entrance; There is upper and lower two-layer fillter section filtrating area, and lower floor's fillter section is arranged on above opening for feed, and two-layer fillter section is made up of the back up pad of filler and filler respectively, and back up pad has oil permeable hole, is separately installed with back flushing nozzle above every layer of fillter section.
Distribution piping is made up of two concentric pipes, and the annular space of two concentric pipes is separated into some passage of irrigation fluid from top to bottom, and back flushing spray nozzle is communicated with the passage of irrigation fluid of distribution piping respectively by backwash tube; The slag that blows be communicated with the passage of irrigation fluid of distribution piping is installed between two-layer fillter section and starches spray nozzle.
Slag starch settlement separate district by slag starch diversion trench, interior rounding stage body, outer rounding stage body and slag starch sedimentation tank form; Slag slurry diversion trench is be greater than by diameter the toroidal shell structure that the cylinder of filtrating area diameter and filtrating area cylinder form, and is communicated between two-layer fillter section; The inner ring lower end of slag slurry diversion trench is provided with slag slurry weir; Interior rounding stage body and slag are starched weir and are connected, and outer rounding stage body and slag are starched diversion trench outer cylinder body and slag and starched sedimentation tank and be connected; Interior Rotary-table is provided with clear liquid return port, forms the passage of slag slurry and backflow clear liquid between inside and outside Rotary-table.
Extraction liquid disengaging zone is positioned at above upper level filter section, from the bottom up, be interior annulus with distribution piping, the cylinder being greater than filtrating area diameter by diameter with to run through and the distribution piping crossed forms the roundlet ring body that cylinder that great circle ring body, positive Rotary-table and diameter be less than filtrating area diameter forms and forms, positive Rotary-table connects large and small torus; Great circle ring body is provided with extraction liquid weir and extraction liquid outlet, and roundlet ring body is provided with the outlet of extraction liquid diversion trench.
The present invention has that structure is simple, easy handling, be easy to regulation and control, efficiency high, is easy to apply.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that A-A of the present invention is to sectional view.
Fig. 3 is the vertical view of quiet liquor preparation disk of the present invention.
Fig. 4 is the sectional view of quiet liquor preparation disk.
Fig. 5 is the structure iron of dynamic liquor preparation disk of the present invention.
Embodiment
Referring to figs. 1 through Fig. 5, a kind of catalytic slurry continuous filtration extraction plant provided by the invention, set gradually slag from bottom to top and starch settlement separate district 12, filtrating area 23 and extraction liquid disengaging zone 18, and recoil Xian assembly of filtrating area 23 is installed, it is characterized in that, this recoil Xian assembly comprises the distributor head 14 being arranged on top, the distribution piping 5 extending to filtrating area from top to bottom and is distributed in the multiple back flushing nozzles 7 be communicated with distribution piping 5 above filtrating area 23; This distributor head 14 is by quiet liquor preparation disk 2 and can periodically be communicated with quiet liquor preparation disk in rotation or closed thus realize by distribution piping 5 the dynamic liquor preparation disk 15 that backwash liquid distributes and form.
Dynamic liquor preparation disk 15 is driven by rotating shaft 1, and quiet liquor preparation disk 2 is connected with counter-flushing liquid storage tank by counter-flushing liquid entrance 16.The side of dynamic liquor preparation disk 15 has dynamic dosing hole 32, and quiet liquor preparation disk 2 forms annular groove 31, and the corresponding annular inner portion of annular groove 31 has quiet liquid pool 30, and when dynamic liquor preparation disk 15 rotates, quiet liquid pool 30 periodically can be communicated with the dynamic dosing hole 32 of dynamic liquor preparation disk 15 or close.
There is upper and lower two-layer fillter section filtrating area 23, and lower floor's fillter section is arranged on above opening for feed 9, and two-layer fillter section is made up of the back up pad 24 of filler 22 and filler respectively, and back up pad 24 has oil permeable hole, is separately installed with back flushing nozzle 7 above every layer of fillter section; Distribution piping 5 is made up of two concentric pipes, and the annular space of two concentric pipes is separated into some passage of irrigation fluid 29 from top to bottom, and back flushing spray nozzle 7 is communicated with the passage of irrigation fluid 29 of distribution piping 5 respectively by backwash tube 6.
The slag that blows be communicated with the passage of irrigation fluid 29 of distribution piping 5 is installed between two-layer fillter section and starches spray nozzle 8.
Slag is starched settlement separate district and is made up of slag slurry diversion trench 26, interior rounding stage body 11, outer rounding stage body 28 and slag slurry sedimentation tank 25; Slag slurry diversion trench 26 is be greater than by diameter the toroidal shell structure that the cylinder of filtrating area diameter and filtrating area cylinder form, and is communicated between two-layer fillter section; The inner ring lower end of slag slurry diversion trench 26 is provided with slag slurry weir 10; Interior rounding stage body 11 and slag are starched weir 10 and are connected, and outer rounding stage body 28 and slag are starched diversion trench 26 outer cylinder body and slag and starched sedimentation tank 25 and be connected; Interior Rotary-table is provided with clear liquid return port 27, forms the passage of slag slurry and backflow clear liquid between inside and outside Rotary-table.
Extraction liquid disengaging zone 18 is positioned at above upper level filter section, from the bottom up, be interior annulus with distribution piping 5, the cylinder being greater than filtrating area diameter by diameter with to run through and the distribution piping crossed forms the roundlet ring body 17 that cylinder that great circle ring body 20, positive Rotary-table 4 and diameter be less than filtrating area diameter forms and forms, positive Rotary-table connects large and small torus; Great circle ring body is provided with extraction liquid weir 19 and extraction liquid outlet 21, and roundlet ring body is provided with extraction liquid diversion trench outlet 3.
Application examples 1
Flow 8.3t/h, density 996g/m is got rid of outside refinery catalytic cracking operation
3, the catalytic slurry of solids content 3400PPm and extraction agent miscellany after filtration the two-layer fillter section in district 23 filter, filtrate enters extraction liquid disengaging zone 18.Regulated and controled by back flushing assembly, from the filtration zone of filtration medium, periodically real-time back flushing is carried out to filler 22, the recoil washery slag slurry of lower floor's fillter section directly falls into slag and starches settlement separate district 12, and the recoil washery slag slurry of upper level filter section enters slag slurry sedimentation tank 25 through slag slurry diversion trench 26.The dynamic liquor preparation disk 15 of distributor head 14 and quiet liquor preparation disk 2 realize the continuous dispensing of backwash liquid, are periodically communicated with or close, thus the ground back flushing of property performance period and slag slurry purge.
Claims (7)
1. a catalytic slurry continuous filtration extraction plant, it is characterized in that, set gradually slag from bottom to top and starch settlement separate district (12), filtrating area (23) and extraction liquid disengaging zone (18), and recoil Xian assembly of filtrating area (23) is installed, this recoil Xian assembly comprises the distributor head (14) being arranged on top, the distribution piping (5) extending to filtrating area from top to bottom and is distributed in the multiple back flushing nozzles (7) be communicated with distribution piping (5) above filtrating area (23); This distributor head (14) is by quiet liquor preparation disk (2) and can periodically be communicated with quiet liquor preparation disk in rotation or closed thus realize by distribution piping (5) the dynamic liquor preparation disk (15) that backwash liquid distributes and form.
2. a kind of catalytic slurry continuous filtration extraction plant according to claim 1, is characterized in that, dynamic liquor preparation disk (15) is driven by rotating shaft (1), and quiet liquor preparation disk (2) is connected with counter-flushing liquid storage tank by counter-flushing liquid entrance (16).
3. a kind of catalytic slurry continuous filtration extraction plant according to claim 1, it is characterized in that, there is upper and lower two-layer fillter section filtrating area (23), lower floor's fillter section is arranged on above opening for feed (9), two-layer fillter section is made up of the back up pad (24) of filler (22) and filler respectively, (24) have oil permeable hole to back up pad, are separately installed with back flushing nozzle (7) above every layer of fillter section.
4. a kind of catalytic slurry continuous filtration extraction plant according to claim 1, it is characterized in that, distribution piping (5) is made up of two concentric pipes, the annular space of two concentric pipes is separated into some passage of irrigation fluid (29) from top to bottom, and back flushing spray nozzle (7) is communicated with the passage of irrigation fluid (29) of distribution piping (5) respectively by backwash tube (6).
5. a kind of catalytic slurry continuous filtration extraction plant according to claim 3, is characterized in that, is provided with the slag that blows be communicated with the passage of irrigation fluid of distribution piping (5) (29) and starches spray nozzle (8) between two-layer fillter section.
6. a kind of catalytic slurry continuous filtration extraction plant according to claim 1, is characterized in that, slag starch settlement separate district by slag starch diversion trench (26), interior rounding stage body (11), outer rounding stage body (28) and slag starch sedimentation tank (25) form; Slag slurry diversion trench (26) is be greater than by diameter the toroidal shell structure that the cylinder of filtrating area diameter and filtrating area cylinder form, and is communicated between two-layer fillter section; The inner ring lower end of slag slurry diversion trench (26) is provided with slag slurry weir (10); Interior rounding stage body (11) and slag are starched weir (10) and are connected, and outer rounding stage body (28) and slag are starched diversion trench (26) outer cylinder body and slag and starched sedimentation tank (25) and be connected; Interior Rotary-table is provided with clear liquid return port (27), forms the passage of slag slurry and backflow clear liquid between inside and outside Rotary-table.
7. a kind of catalytic slurry continuous filtration extraction plant according to claim 1, it is characterized in that, extraction liquid disengaging zone (18) is positioned at above upper level filter section, from the bottom up, with distribution piping (5) for interior annulus, the cylinder being greater than filtrating area diameter by diameter with to run through and the distribution piping crossed forms the roundlet ring body (17) that cylinder that great circle ring body (20), positive Rotary-table (4) and diameter be less than filtrating area diameter forms and forms, positive Rotary-table connects large and small torus; Great circle ring body is provided with extraction liquid weir (19) and extraction liquid outlet (21), and roundlet ring body is provided with extraction liquid diversion trench outlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310471637.4A CN103497780B (en) | 2013-10-11 | 2013-10-11 | Catalytic slurry oil continuous filtration and extraction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310471637.4A CN103497780B (en) | 2013-10-11 | 2013-10-11 | Catalytic slurry oil continuous filtration and extraction device |
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| Publication Number | Publication Date |
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| CN103497780A CN103497780A (en) | 2014-01-08 |
| CN103497780B true CN103497780B (en) | 2015-01-28 |
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| CN201310471637.4A Active CN103497780B (en) | 2013-10-11 | 2013-10-11 | Catalytic slurry oil continuous filtration and extraction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104888984A (en) * | 2014-03-05 | 2015-09-09 | 中国石化工程建设有限公司 | Magnetic cyclone separator, separation apparatus and separation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH385795A (en) * | 1961-08-24 | 1964-12-31 | Diebold Pierre | Filter for the filtration of a liquid-solid mixture |
| CN2870947Y (en) * | 2006-03-01 | 2007-02-21 | 何锡伶 | Assembled nano-ceramic filter |
| CN201921586U (en) * | 2011-01-24 | 2011-08-10 | 山东江山高分子材料有限公司 | Device capable of separating catalyst particles from catalytic cracking oil slurry |
| CN202107670U (en) * | 2011-06-07 | 2012-01-11 | 中国石油化工股份有限公司 | Continuous filter device for catalytic slurry oil |
| CN203498329U (en) * | 2013-10-11 | 2014-03-26 | 广东石油化工学院 | Continuous filtering-extracting device of catalytic slurry oil |
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Inventor after: Xu Dapeng Inventor before: Zhou Rujin Inventor before: Qiu Songshan Inventor before: Xie Ying Inventor before: Li Zongbao |
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Effective date of registration: 20151224 Address after: 535008, the Guangxi Zhuang Autonomous Region, Qinzhou Qinzhou Economic Development Zone, fruit hill operating area No. 1 Patentee after: Guang Xihong reaches bioenergy Science and Technology Ltd. Address before: 525000 Guandu, Guangdong Province, No. two road, No., the compound of the 139 Patentee before: Guangdong University of Petrochemical Technology |