CN204298335U - Catalyst transport equipment and the medium-sized reaction unit of catalytic cracking - Google Patents
Catalyst transport equipment and the medium-sized reaction unit of catalytic cracking Download PDFInfo
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- CN204298335U CN204298335U CN201420497026.7U CN201420497026U CN204298335U CN 204298335 U CN204298335 U CN 204298335U CN 201420497026 U CN201420497026 U CN 201420497026U CN 204298335 U CN204298335 U CN 204298335U
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- catalyst
- memory unit
- agglomeration
- inclined tube
- transport equipment
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- 239000003054 catalyst Substances 0.000 title claims abstract description 151
- 238000004523 catalytic cracking Methods 0.000 title claims abstract description 38
- 238000005054 agglomeration Methods 0.000 claims abstract description 75
- 230000002776 aggregation Effects 0.000 claims abstract description 75
- 238000011069 regeneration method Methods 0.000 claims abstract description 59
- 230000008929 regeneration Effects 0.000 claims abstract description 56
- 238000005243 fluidization Methods 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 12
- 239000007789 gas Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 9
- 238000000926 separation method Methods 0.000 description 8
- 239000000571 coke Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004231 fluid catalytic cracking Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
Catalyst transport equipment and the medium-sized reaction unit of catalytic cracking, described catalyst transport equipment is made up of regeneration standpipe, catalyst agglomeration memory unit and inclined tube, described catalyst agglomeration memory unit is positioned at regeneration standpipe bottom and communicates with regeneration standpipe, described catalyst agglomeration memory unit is the cylinder being provided with sidewall exit, and bottom is connected on a pair flange; Upper flange is fixedly connected on bottom of cylinder, and lower flange arranges fluidisation and stripping gas pipeline, and two pieces of flanges are with bolts; Described sidewall exit is communicated with described inclined tube, and described inclined tube arranges control valve; The connection of described catalyst agglomeration memory unit and regeneration standpipe, inclined tube is for removably connecting.The catalyst transport equipment that the utility model provides and the medium-sized reaction unit of catalytic cracking can extend catalytic cracking unit service cycle, improve test efficiency simultaneously.
Description
Technical field
The present invention relates to the parts on a kind of fluid catalytic cracking reaction unit and catalytic cracking reaction device, more particularly, relate to the reclaimable catalyst conveying equipment on the medium-sized reaction unit of a kind of catalytic cracking and the medium-sized reaction unit of catalytic cracking.
Background technology
Catalytic cracking technology is the main secondary operations technique of oil refining enterprise.Heavy hydrocarbon oil raw material is converted into the products such as gasoline, diesel oil, propylene and liquefied gas by this technology.Develop on a large scale very much although fluid catalytic technology has obtained, carrying out in the exploitation of new catalytic cracking catalyst and new catalytic cracking process development process, adopt medium-sized tester to carry out medium-sized test and to be absolutely necessary research process.
Current medium-sized tester is running continuously, catalyst enters bottom riser reactor from regenerator through standpipe and control valve, with catalytically cracked material haptoreaction in riser reactor, the oil gas of riser reactor outlet and catalyst are after gas solid separation, oil gas enters Product recycling and piece-rate system, catalyst enters regenerator through regeneration standpipe and spent agent control valve, the catalyst coke that burning-off reaction generates in regenerator also recovers the activity of catalyst, and the catalyst after regeneration enters riser reactor through standpipe and control valve again.
Along with catalytically cracked material is more and more heavier, the density of raw material increases, viscosity increases, boiling range is heavier, carbon residue increases, the difficulty of catalytic cracking medium-sized test is increasing, be mainly manifested in and easily generate caking catalyst because coke increases in regeneration standpipe and block spent agent control valve, make catalyst flow into regenerator.The method of this problem of current solution is after catalyst blockage spent agent control valve, maintenance spent agent control valve and maintenance riser reactor, due in device operation process this spot temperature more than 500 DEG C, service work difficulty on the one hand, need cooling of stopping work on the other hand, the waste plenty of time.Thus greatly shorten middle-scale device service cycle, even affect the accuracy of experimental data.
CN2538415Y discloses a kind of catalytic cracking test device.This device mainly comprises: separation/regenerator and catalyst cleaning device, and this clarifier and regenerator are coaxially arranged, and are positioned at its underpart; The below of this regeneration/separator regenerator and catalyst cleaning device; Clarifier and regeneration/separator are coaxially arranged, and are positioned at its underpart; Mixing chamber is connected with catalyst cleaning device by pipeline, and is connected with hydrocarbon oil feed pipeline; Oil solution mixing chamber is connected with catalyst cleaning device by pipeline, and connects with hydrocarbon oil feed pipeline; The lower inlet of riser reactor is connected with oil solution mixing chamber, and upper end outlet be separated/regenerator is connected.
CN201223790Y discloses a kind of multi-functional catalytic cracking test device, and the settler of its reaction-regeneration system and regenerator are that two device height are arranged side by side, riser is inverted "L" shaped structure.Wherein, riser reactor adopts heat stepwise temperature control, section and section to adopt quickly assembled and disassembled connection, establishes multiple spot atomized feed, two-way enters catalyst; Small-sized plug valve is adopted to control catalyst circulation.Plant running all adopts computer controlled automatic.This device can response situation in analoging industrial device riser, and test data and commercial plant have comparativity, the test that the research and production such as catalytic cracking process exploitation, evaluating catalyst being mainly used in various reaction condition are carried out.
Failing in prior art to solve the problem that the coking of catalytic cracking middle-scale device affects test efficiency, in order to improve the test efficiency of catalytic cracking middle-scale device, being necessary a kind of the spent catalytic cracking catalyst pipage control equipment and the experimental rig that improve test efficiency.
Utility model content
One of the technical problems to be solved in the utility model is to provide a kind of reclaimable catalyst conveying equipment.
Two of the technical problems to be solved in the utility model is to provide the medium-sized reaction unit of a kind of catalytic cracking.
The catalyst transport equipment that the utility model provides, be made up of regeneration standpipe, catalyst agglomeration memory unit and inclined tube, described catalyst agglomeration memory unit is positioned at regeneration standpipe bottom and communicates with regeneration standpipe, described catalyst agglomeration memory unit is the cylinder being provided with sidewall exit, and bottom is connected on a pair flange; Upper flange is fixedly connected on bottom of cylinder, and lower flange arranges fluidisation and stripping gas pipeline, and two pieces of flanges are with bolts; Described sidewall exit is communicated with described inclined tube, and described inclined tube arranges control valve; The connection of described catalyst agglomeration memory unit and regeneration standpipe, inclined tube is for removably connecting.
The medium-sized reaction unit of the catalytic cracking that the utility model provides, comprise the riser reactor, gas-solid separator, stripping section, catalyst transport equipment, regenerator and the regenerator sloped tube that are connected successively, regenerator is communicated with bottom riser reactor by regenerator sloped tube; Wherein, described catalyst transport equipment is made up of regeneration standpipe, catalyst agglomeration memory unit and inclined tube, described catalyst agglomeration memory unit is positioned at regeneration standpipe bottom and communicates with regeneration standpipe, described catalyst agglomeration memory unit is the cylinder being provided with sidewall exit, and bottom is connected on a pair flange; Upper flange is fixedly connected on bottom of cylinder, and lower flange arranges fluidisation and stripping gas pipeline, and two pieces of flanges are with bolts; Described sidewall exit is communicated with described inclined tube, and described inclined tube arranges control valve; The connection of described catalyst agglomeration memory unit and regeneration standpipe, inclined tube is for removably connecting.
The beneficial effect of catalyst transport equipment provided by the invention and catalytic cracking medium-sized test equipment is:
The beneficial effect of the medium-sized reaction unit of catalytic cracking adopting the utility model to provide is:
Prolong operating period; Improve test efficiency;
Accompanying drawing explanation
Fig. 1 is the medium-sized reaction unit schematic flow sheet of catalytic cracking in prior art;
Fig. 2 is catalyst transport device structure schematic diagram in prior art;
The medium-sized reaction unit schematic flow sheet of catalytic cracking that Fig. 3 provides for the utility model;
The catalyst transport device structure schematic diagram that Fig. 4 provides for the utility model;
Fig. 5 is the B-B sectional view of the arc inner panel of catalyst agglomeration memory unit;
Fig. 6 is the A-A sectional view of the arc inner panel of catalyst agglomeration memory unit;
Fig. 7 is lower flange C-C sectional view.
Wherein: 1-regeneration standpipe; 2-inclined tube; 3-control valve; 4-riser reactor; 5-gas-solid separator; 6-regenerator sloped tube; 7-regenerator; 8-stripping medium; 9-reaction product gas; 10-oxygen-containing gas; The perforate of 11-arc inner panel; 12-regeneration tail gas; 13-regenerator sloped tube control valve; 14-stripper; 15-stripping gas; 20-catalyst agglomeration memory unit; 21-arc inner panel; 22-upper flange; 23-lower flange; 24-sidewall exit; 25-fluidisation and stripping gas perforate; 26-packing ring; 27-bolt hole; 28-fluidisation and stripping gas pipeline.
Detailed description of the invention
Below describe detailed description of the invention of the present utility model in detail:
The catalyst transport equipment that the utility model provides, be made up of regeneration standpipe, catalyst agglomeration memory unit and inclined tube, described catalyst agglomeration memory unit is positioned at regeneration standpipe bottom and communicates with regeneration standpipe, described catalyst agglomeration memory unit is the cylinder being provided with sidewall exit, and bottom is connected on a pair flange; Upper flange is fixedly connected on bottom of cylinder, and lower flange arranges fluidisation and stripping gas pipeline, and two pieces of flanges are with bolts; Described sidewall exit is communicated with described inclined tube, and described inclined tube arranges control valve; The connection of described catalyst agglomeration memory unit and regeneration standpipe, inclined tube is for removably connecting.
Preferably, the sidewall exit place inwall laminating arc inner panel of described catalyst agglomeration memory unit, described arc inner panel and described sidewall exit overlapping position have aperture, more preferably have the hole that multiple diameter is 1-5mm.
Preferably, described catalyst agglomeration memory unit sidewall exit distance from bottom bottom of cylinder 10 ~ 100mm.
Preferably, the volume of described catalyst agglomeration memory unit is the 0.5%-10% of catalyst circulation amount, more preferably 1%-5%; The diameter of described catalyst agglomeration memory unit can be greater than, be equal to or less than the diameter of regeneration standpipe.
The described diameter of catalyst agglomeration memory unit upper side wall outlet and the diameter of inclined tube determined according to catalyst circulation, and preferably, the diameter of described sidewall exit is the 10%-50% of regeneration standpipe.
Preferably, described catalyst agglomeration memory unit is 10%-50% with the caliber ratio of described inclined tube.
The medium-sized reaction unit of the catalytic cracking that the utility model provides, comprise the riser reactor, gas-solid separator, stripping section, catalyst transport equipment, regenerator and the regenerator sloped tube that are connected successively, regenerator is communicated with bottom riser reactor by regenerator sloped tube; Wherein, described catalyst transport equipment is made up of regeneration standpipe, catalyst agglomeration memory unit and inclined tube, described catalyst agglomeration memory unit is positioned at regeneration standpipe bottom and communicates with regeneration standpipe, described catalyst agglomeration memory unit is the cylinder being provided with sidewall exit, and bottom is connected on a pair flange; Upper flange is fixedly connected on bottom of cylinder, and lower flange arranges fluidisation and stripping gas pipeline, and two pieces of flanges are with bolts; Described sidewall exit is communicated with described inclined tube, and described inclined tube arranges control valve; The connection of described catalyst agglomeration memory unit and regeneration standpipe, inclined tube is for removably connecting.
Preferably, the sidewall exit place inwall laminating arc inner panel of described catalyst agglomeration memory unit, described arc inner panel and described sidewall exit overlapping position have aperture.More preferably described arc inner panel and described sidewall exit overlapping position have the hole that multiple diameter is 1-5mm.
Preferably, described sidewall exit distance from bottom bottom of cylinder 10 ~ 100mm.
Preferably, the angle of the axis of described inclined tube and described catalyst agglomeration memory unit is 15-75 degree.
Preferably, the volume of described catalyst agglomeration memory unit is the 0.5%-10% of catalyst circulation amount, more preferably 1%-5%; The diameter of described catalyst agglomeration memory unit can be greater than, be equal to or less than the diameter of regeneration standpipe.
The described diameter of catalyst agglomeration memory unit upper side wall outlet and the diameter of inclined tube determined according to the catalyst circulation of catalytic cracking unit, and preferably, the diameter of the sidewall exit of described catalyst agglomeration memory unit is the 10%-50% of regeneration standpipe.
The fluidized gas flow of described catalyst agglomeration memory unit is that 0.01m/s-0.1m/s controls according to making the linear speed of catalyst agglomeration memory unit cylinder.
The using method of the catalyst transport equipment that the utility model provides and the medium-sized reaction unit of catalytic cracking, from the regenerated catalyst of regenerator bottom riser with feedstock oil haptoreaction, reacted oil gas carries out oil gas and catalyst separation through gas-solid separator, and isolated oil gas enters piece-rate system; The control valve control flow of isolated catalyst after stripping section stripping on regeneration standpipe, catalyst reservoir part and inclined tube, inclined tube enters in regenerator and carries out coke burning regeneration; Regenerated catalyst returns riser reactor bottom cycle through regenerator sloped tube and uses; The bulky grain that the diameter carried in reclaimable catalyst is greater than arc inner panel Circularhole diameter along with regeneration standpipe flow to catalyst agglomeration reservoir part time, stopped by arc inner panel and be retained in the cylinder of catalyst agglomeration reservoir part bottom.In device operation process, the fluidisation passing into suitable flow through fluidisation and stripping gas pipeline bottom catalyst agglomeration memory unit loosens gas.It can be nitrogen, air or water vapour that described fluidisation loosens gas.When large granular catalyst is stacked into the operation affecting reclaimable catalyst flow control valve or device shut-down (breakdown) mainteance time, unload the bolt that catalyst agglomeration memory unit fixes two flanges, unload lower flange, reinstall the lower flange of upper catalyst agglomeration memory unit after being cleaned out by these bulky grain reclaimable catalysts, device continues to run.
With reference to the accompanying drawings, illustrate catalyst transport equipment and the medium-sized reaction unit of catalytic cracking that the utility model provides, but the present invention is not therefore subject to any restriction.
Accompanying drawing 1 is the schematic flow sheet of the medium-sized reaction unit of catalytic cracking in prior art, and conventional catalytic cracking unit comprises riser 4, gas-solid separation equipment 5, stripper 14, regeneration standpipe 1, inclined tube to be generated 2, regenerator 7 and regenerator sloped tube 6.Catalytic cracking unit is in operation process, from the regenerated catalyst of regenerator 6 bottom riser 4 with the feedstock oil haptoreaction from pipeline 8, reacted oil gas enters in gas-solid separator 5 and carries out oil gas and catalyst separation, oil gas after separation enters product separation system through pipeline 9 and isolates gas and fluid product further, then measures each product and analyzes.The isolated catalyst of gas-solid separator controls flow through regeneration standpipe 1, inclined tube to be generated 2 and control valve 3 and enters coke burning regeneration in regenerator after stripper 14 stripping, the structure of regeneration standpipe, inclined tube to be generated and control valve as shown in Figure 2, regeneration standpipe 1 is directly connected with inclined tube 2 to be generated, and all catalyst from regeneration standpipe directly enter in inclined tube to be generated and carry.From the catalyst of inclined tube to be generated in regenerator 7 inner catalyst and the oxygen-containing gas haptoreaction through pipeline 10, burn coke that catalyst carries and recover the activity of catalyst, burn down defocused gas and carry out gas and catalyst separation, isolate gas enters after cooling system cooling through pipeline 11 and carries out measuring and analyzing, the catalyst of activity recovery through regenerator sloped tube 6 and control valve 13 (being called regeneration guiding valve) control flow laggard enter the bottom of riser 4 react with the feedstock oil from pipeline 8.
The schematic flow sheet of the medium-sized reaction unit of catalytic cracking that accompanying drawing 3 provides for the utility model, as shown in the figure, arranges catalyst agglomeration memory unit 20 under regeneration standpipe 1, before reclaimable catalyst control valve 3.
Accompanying drawing 4 is the structural representation of catalyst transport equipment provided by the invention, as shown in Figure 4, catalyst transport equipment comprises the control valve 3 on regeneration standpipe 1, catalyst agglomeration memory unit 20, inclined tube 2 and inclined tube, described catalyst agglomeration memory unit 20 is positioned at regeneration standpipe 1 bottom and is communicated with regeneration standpipe 1, described catalyst agglomeration memory unit 20 is for being provided with the cylinder of sidewall exit, and bottom of cylinder is connected on a pair flange (22,23); Upper flange 22 is fixedly connected on bottom of cylinder, and lower flange 23 arranges fluidisation and stripping gas pipeline 28, two pieces of flanges are fixed with bolts; Described inclined tube 2 is communicated with catalyst agglomeration memory unit 20 through the outlet of cylinder side wall; The connection of described catalyst agglomeration memory unit 20 and regeneration standpipe 1, inclined tube 2 is for removably connecting.The rank street area of described sidewall exit is the 20%-100% of regeneration standpipe cross-sectional area.
As shown in Figure 4, the sidewall exit 24 place cylinder inner wall laminating arc inner panel 21 of described catalyst agglomeration memory unit, described arc inner panel 21 has aperture 11 with described sidewall exit overlapping position.Described arc inner panel and described sidewall exit overlapping position have the aperture 11 that multiple diameter is 1-5mm.Hole diameter is 1-5mm, preferred 2-4mm.Require that the perforate gross area is greater than 50% of control valve 4 latus rectum.
Be 10-100mm bottom the distance from bottom pipe of catalyst agglomeration memory unit sidewall exit.Be communicated with inclined tube 2 in catalyst agglomeration memory unit exit, inclined tube arranged control valve 3.Preferably, inclined tube 2 is 15-75 degree, more preferably 25-45 degree with the angle M of catalyst agglomeration memory unit 20.
Accompanying drawing 5 be catalyst agglomeration memory unit the B-B view of arc inner panel 21, as shown in Figure 5, great circle is the sidewall exit 24 of catalyst agglomeration memory unit 20, and roundlet is the perforate 11 of arc inner panel 24 and catalyst agglomeration memory unit sidewall exit overlapping position.
Accompanying drawing 6 is the A-A view of the arc inner panel of catalyst agglomeration memory unit.The arc inner panel 21 upper shed aperture 11 of catalyst agglomeration memory unit.
Accompanying drawing 7 is the C-C view of lower flange.As visible in accompanying drawing 7, lower flange has through hole 27 and pass to make bolt, be connected and fixed upper flange and lower flange.Middle part has perforate 25, lower flange is arranged fluidisation and stripping gas pipeline 28.
Claims (15)
1. a catalyst transport equipment, it is characterized in that, be made up of regeneration standpipe, catalyst agglomeration memory unit and inclined tube, described catalyst agglomeration memory unit is positioned at regeneration standpipe bottom and communicates with regeneration standpipe, described catalyst agglomeration memory unit is the cylinder being provided with sidewall exit, and bottom is connected on a pair flange; Upper flange is fixedly connected on bottom of cylinder, and lower flange arranges fluidisation and stripping gas pipeline, and two pieces of flanges are with bolts; Described sidewall exit is communicated with described inclined tube, and described inclined tube arranges control valve; The connection of described catalyst agglomeration memory unit and regeneration standpipe, inclined tube is for removably connecting.
2. according to catalyst transport equipment according to claim 1, it is characterized in that, the sidewall exit place inwall laminating arc inner panel of described catalyst agglomeration memory unit, arc inner panel and described sidewall exit overlapping position have aperture.
3. according to catalyst transport equipment according to claim 2, it is characterized in that, described arc inner panel and described sidewall exit overlapping position have the hole that multiple diameter is 1-5mm.
4. according to catalyst transport equipment according to claim 1, it is characterized in that, the described catalyst agglomeration memory unit bottom of cylinder described in sidewall exit distance from bottom is 10 ~ 100mm.
5. according to catalyst transport equipment according to claim 1, it is characterized in that, the angle of the axis of described inclined tube and described catalyst agglomeration memory unit is 15-75 degree.
6. according to any one catalyst transport equipment in claim 1-5, it is characterized in that, the volume of described catalyst agglomeration memory unit is the 0.5%-10% of catalyst circulation amount.
7. according to any one catalyst transport equipment in claim 6, it is characterized in that, the volume of described catalyst agglomeration memory unit is the 1%-5% of catalyst circulation amount.
8., according to any one catalyst transport equipment in claim 1-5, it is characterized in that, the diameter of the sidewall exit of described catalyst agglomeration memory unit is the 10%-50% of regeneration standpipe.
9., according to any one catalyst transport equipment in claim 1-5, it is characterized in that, described inclined tube is the 10%-50% of regeneration standpipe.
10. the medium-sized reaction unit of catalytic cracking, it is characterized in that, comprise the riser reactor, gas-solid separator, stripping section, catalyst transport equipment, regenerator and the regenerator sloped tube that are connected successively, regenerator is communicated with bottom riser reactor by regenerator sloped tube; Wherein, described catalyst transport equipment is made up of regeneration standpipe, catalyst agglomeration memory unit and inclined tube, described catalyst agglomeration memory unit is positioned at regeneration standpipe bottom and communicates with regeneration standpipe, described catalyst agglomeration memory unit is the cylinder being provided with sidewall exit, and bottom is connected on a pair flange; Upper flange is fixedly connected on bottom of cylinder, and lower flange arranges fluidisation and stripping gas pipeline, and two pieces of flanges are with bolts; Described sidewall exit is communicated with described inclined tube, and described inclined tube arranges control valve; The connection of described catalyst agglomeration memory unit and regeneration standpipe, inclined tube is for removably connecting.
11. according to the medium-sized reaction unit of catalytic cracking according to claim 10, it is characterized in that, the sidewall exit place inwall laminating arc inner panel of described catalyst agglomeration memory unit, described arc inner panel and described sidewall exit overlapping position have the aperture that multiple diameter is 1-5mm.
12., according to the medium-sized reaction unit of catalytic cracking according to claim 10, is characterized in that, the described bottom of cylinder 10 ~ 100mm described in sidewall exit distance from bottom.
13., according to the medium-sized reaction unit of catalytic cracking according to claim 10, is characterized in that, the angle of the axis of described inclined tube and described catalyst agglomeration memory unit is 15-75 degree.
14., according to the medium-sized reaction unit of any one catalytic cracking in claim 10-13, is characterized in that, the volume of described catalyst agglomeration memory unit is the 0.5%-10% of catalyst circulation amount.
15., according to the medium-sized reaction unit of any one catalytic cracking in claim 10-13, is characterized in that, the diameter of the sidewall exit of described catalyst agglomeration memory unit is the 10%-50% of regeneration standpipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497026.7U CN204298335U (en) | 2014-08-29 | 2014-08-29 | Catalyst transport equipment and the medium-sized reaction unit of catalytic cracking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497026.7U CN204298335U (en) | 2014-08-29 | 2014-08-29 | Catalyst transport equipment and the medium-sized reaction unit of catalytic cracking |
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| CN204298335U true CN204298335U (en) | 2015-04-29 |
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| CN201420497026.7U Expired - Lifetime CN204298335U (en) | 2014-08-29 | 2014-08-29 | Catalyst transport equipment and the medium-sized reaction unit of catalytic cracking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105653006A (en) * | 2015-12-29 | 2016-06-08 | 北京金山安全软件有限公司 | Method and device for saving electric quantity and electronic equipment |
| CN108192654A (en) * | 2018-03-20 | 2018-06-22 | 北京拓川科研设备股份有限公司 | A kind of medium-sized experimental facilities of catalytic cracking and experimental method |
-
2014
- 2014-08-29 CN CN201420497026.7U patent/CN204298335U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105653006A (en) * | 2015-12-29 | 2016-06-08 | 北京金山安全软件有限公司 | Method and device for saving electric quantity and electronic equipment |
| CN108192654A (en) * | 2018-03-20 | 2018-06-22 | 北京拓川科研设备股份有限公司 | A kind of medium-sized experimental facilities of catalytic cracking and experimental method |
| CN108192654B (en) * | 2018-03-20 | 2023-11-14 | 北京拓川科研设备股份有限公司 | Medium-sized catalytic cracking experimental equipment and experimental method |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150429 |