CN100398190C - Centrifugal moving bed radial gas-solid reactor - Google Patents
Centrifugal moving bed radial gas-solid reactor Download PDFInfo
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- CN100398190C CN100398190C CNB2005101072135A CN200510107213A CN100398190C CN 100398190 C CN100398190 C CN 100398190C CN B2005101072135 A CNB2005101072135 A CN B2005101072135A CN 200510107213 A CN200510107213 A CN 200510107213A CN 100398190 C CN100398190 C CN 100398190C
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- 239000007787 solid Substances 0.000 title claims abstract description 29
- 239000003054 catalyst Substances 0.000 claims abstract description 41
- 239000000376 reactant Substances 0.000 claims description 28
- 210000003127 knee Anatomy 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000005504 petroleum refining Methods 0.000 abstract description 4
- 238000002407 reforming Methods 0.000 abstract description 2
- 239000007790 solid phase Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 31
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000001833 catalytic reforming Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006356 dehydrogenation reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
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- 239000008187 granular material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005899 aromatization reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006057 reforming reaction Methods 0.000 description 1
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Abstract
The present invention discloses one kind of centrifugal moving bed radial gas-solid reactor for petroleum refining and petrochemical industry fields. The reactor has cover plate comprising sector plates, and stuffing boxes between the sector plate and the central tube and between the catalyst inlet pipe and sector plate. The sector plates have outer circular ends connected to the top plate of the sector cylinder or outer web top and are connected mutually through fastener and sealing gasket. Each of the stuffing boxes consists of pressing plate, supporting seat and sealing stuffing. The present invention may be used in continuous moving bed gas-solid phase reforming and other process, and has excellent top sealing.
Description
Technical field
The present invention relates to a kind of centrifugal moving bed radial gas-solid reactor of petroleum refining and petrochemical industry.
Background technology
Centrifugal moving bed radial gas-solid reactor can be used for many gas-solid phase reaction operating process of petroleum refining and petrochemical industry, for example as the continuous mutually moving-bed catalytic reforming radial reactor of gas-solid.The disclosed continuous catalytic reforming reactor of Chinese patent CN 1454972A is a kind of centrifugal ∏ type centrifugal moving bed radial gas-solid reactor.The structure of this kind reactor mainly comprises the reactor shell of being made up of top end socket, cylindrical drum, bottom bulkhead, and reactor shell is provided with gas reactant inlet tube, gaseous product outlet pipe, catalyst inlet pipe, catalyst outlet pipe.In reactor shell, be coaxially arranged with central tube, sector drum or columnar outer net with it.Described gas reactant inlet tube is connected with the top of central tube.Looping space between central tube and sector drum or the outer net is provided with cover plate at the top of annular space.In the operating process, be filled with catalyst in the annular space, form the beds (catalyst axially moves down gravity effect lower edge reactor) that moves.Gas reactant flowing in reactor is centrifugal flow, and promptly its flow direction is to flow to sector drum or outer net by central tube; The contact of gas-solid two-phase is the cross-flow contact in reactor.The advantage of this kind reactor is that circulation area is big and the bed flow process short, have that disposal ability is big, the air-flow pressure drop is little, bed resistance relatively evenly, use advantages such as the particle diameter of solid particle (catalyst) is less.Continuous catalytic reforming reaction is the reaction of volume increase, and promptly the volume of gaseous product is greater than the volume of gas reactant, increases gradually along the volume of the radial gas of reactor; When adopting centrifugal moving bed radial gas-solid reactor, the cross section of its gas communication also increases gradually, can make gas unlikely increase of linear speed in the Radial Flow process, more helps reforming reaction; Simultaneously, because the average linear speed of gas in beds is lower, bed pressure drop is also lower, and distribution of gas is more even.When adopting the reactor of said structure, at first the key issue that will solve is the sealing problem at beds top; Above-mentioned patent does not describe hermetically-sealed construction in detail from structure of reactor.And at present at the gas-solid radial inflow moving bed radial reactor of industrial use, its gaseous product outlet pipe is connected with the top of central tube, is made up of fanning strip at the cover plate that the annular space top is set.The catalyst inlet pipe passes fanning strip and is attached thereto, the external arc side of fanning strip links to each other by fastening connection piece with sector drum top board or outer net top connecting plate, interior circular arc side links to each other with central tube, connects with fastening connection piece by the flanging in two straight flange end settings of fanning strip between adjacent two fanning strips; Fastening connection piece generally adopts bolt and nut or connecting pin.When centrifugal moving bed radial gas-solid reactor (its gas reactant inlet tube is connected with the top of central tube) adopts above-mentioned seal member and syndeton,, therefore seal bad because the joint face of described each connecting portion is the metal to metal contact.Particularly the unreacted gas reactant of part that flows out from reactor center tube top can enter the gaseous product through above-mentioned connecting portion everywhere, causes the reduction of reaction raw materials conversion ratio and the minimizing of reaction purpose product quantity; Some catalyst dusts in the reactor annular space or granule also can enter in the gaseous product through above-mentioned connecting portion everywhere, stop up follow-up equipment, influence normal running.
Summary of the invention
Technical problem to be solved by this invention is: the bad problem of beds top seal that centrifugal moving bed radial gas-solid reactor is caused when adopting existing seal member and syndeton.
For addressing the above problem, the technical solution used in the present invention is: a kind of centrifugal moving bed radial gas-solid reactor, comprise by the top end socket, cylindrical drum, the reactor shell that bottom bulkhead is formed, reactor shell is provided with the gas reactant inlet tube, gaseous product outlet pipe, the catalyst inlet pipe, the catalyst outlet pipe, interior central tube and the sector drum of being coaxially arranged with it of reactor shell, or be provided with central tube and outer net, described gas reactant inlet tube is connected with the top of central tube, looping space between central tube and the sector drum or between central tube and the outer net, top at annular space is provided with cover plate, described catalyst inlet pipe passes cover plate, its outlet stretches to annular space, it is characterized in that: described cover plate is made up of fanning strip, fanning strip has an interior circular arc side and an external arc side, its two ends are the straight flange end, be respectively equipped with flanging, fanning strip is passed in the perforate of described catalyst inlet pipe on fanning strip, the external arc side of fanning strip links to each other by fastening connection piece with the sector drum top board or with outer net top connecting plate, two flangings of adjacent two fanning strips also link to each other by fastening connection piece, be equipped with gasket seal between the joint face, between the interior circular arc side and central tube of fanning strip, be equipped with stuffing-box between the perforate on catalyst inlet pipe and the fanning strip, described stuffing-box is by the stuffing-box pressing plate, stuffing-box supporting seat and airtight and watertight padding are formed.
Adopt the present invention, have following beneficial effect: centrifugal moving bed radial gas-solid reactor of the present invention, the cover plate in the reactor is made up of fanning strip.The external arc side of fanning strip links to each other by fastening connection piece with the sector drum top board or with outer net top connecting plate, and two flangings of adjacent two fanning strips also link to each other by fastening connection piece, are equipped with gasket seal between the joint face; Between the perforate between the interior circular arc side and central tube of fanning strip, on catalyst inlet pipe and the fanning strip, be equipped with stuffing-box.Adopt such seal member and syndeton, make each above-mentioned connecting portion can realize good sealing, even also good sealing can be realized in the beds top, prevent that fully the unreacted gas reactant of part that flowed out by central tube top in the reactor and some catalyst dusts or the granule in the annular space from entering in the gaseous product, guarantee that successful reaction carries out the normal running with equipment.The seal member of reactor of the present invention and syndeton also have advantage of simple structure.
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.The drawings and specific embodiments do not limit the scope of protection of present invention.
Description of drawings
Fig. 1 is a kind of centrifugal moving bed radial gas-solid reactor of the present invention cutaway view vertically.
Fig. 2 is that A-A among Fig. 1 is to partial enlarged view.
Fig. 3 be B-B among Fig. 2 to revolved view, two flangings of adjacent two fanning strips connect by bolt and nut.
Fig. 4 is the schematic diagram that two flangings of adjacent two fanning strips connect by connecting pin.
Fig. 5 is the I portion enlarged drawing among Fig. 1.
Fig. 6 is the schematic diagram that external arc side and the outer net top connecting plate of fanning strip is connected by bolt and nut.
Fig. 7 is the II portion enlarged drawing among Fig. 1.
Fig. 8 is that C-C among Fig. 7 is to view.
Fig. 9 is the structural representation that offers the fanning strip of notch in the external arc side.
Figure 10 is the schematic diagram that external arc side and the sector drum top board of fanning strip is connected by connecting pin.
Figure 11 is the vertical view of Figure 10.
The specific embodiment
A kind of centrifugal moving bed radial gas-solid reactor of the present invention as shown in Figure 1 (abbreviating reactor as), comprise the reactor shell of being made up of top end socket 301, cylindrical drum 302, bottom bulkhead 303, reactor shell is provided with gas reactant inlet tube 101, gaseous product outlet pipe 102, catalyst inlet pipe 201, catalyst outlet pipe 202.Wherein, gaseous product outlet pipe 102 and catalyst inlet pipe 201 are located on the top end socket 301, and catalyst outlet pipe 202 is located on the bottom bulkhead 303 and (is all adopted and be welded to connect).Be coaxially arranged with central tube 11 and sector drum 61 with it in the reactor shell, described gas reactant inlet tube 101 is connected with the top of central tube 11.Wherein sector drum 61 evenly distributes along the inwall of reactor cylinder shape cylindrical shell 302, and its perforate face contacts with catalyst, and the backboard of perforate is not near the inwall of cylindrical drum 302.The bottom supporting of central tube 11 is on base.Looping space 10 between central tube 11 and the sector drum 61 is provided with cover plate at the top of annular space 10, and cover plate is made up of some fanning strips 8.Top end socket 301 constitutes collection chamber to the space between the cover plate.Offer perforate 804 (see figure 9)s of passing for catalyst inlet pipe 201 on the fanning strip 8, described catalyst inlet pipe 201 passes fanning strip 8 through perforate 804, and its outlet stretches to annular space 10.Catalyst outlet pipe 202 also is connected with annular space 10.
Referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 9, fanning strip 8 has an interior circular arc side and an external arc side, and its two ends are the straight flange end.Referring to Fig. 1, Fig. 2 and Fig. 5, the external arc side of fanning strip 8 links to each other by fastening connection piece (bolt and nut 701) with sector drum top board 601, is provided with gasket seal 401 between the external arc side of fanning strip 8 and the joint face of sector drum top board 601.When adopting bolt and nut 701 to connect, the external arc side of fanning strip 8 is offered bolt hole (and not offering notch shown in Figure 9 802).Usually adopting another fastening connection piece on the engineering---connecting pin connects, referring to Figure 10, Figure 11; Sector drum top board 601 is provided with keeper 611 at this moment, the external arc side of fanning strip 8 offers notch 802 (referring to Fig. 9), behind keeper 611 and notch 802 fits, squeeze into connecting pin 702 (generally using wedge pin) by the pin-and-hole of offering on the keeper 611 again, the external arc side of fanning strip 8 and the gasket seal 401 between sector drum top board 601 and both joint faces are fastenedly connected.
Referring to Fig. 2, Fig. 3 and Fig. 4 and Fig. 9, two straight flange ends of fanning strip 8 are respectively equipped with flanging 801, offer bolt hole or pin-and-hole on the flanging 801.Two flangings 801 of adjacent two fanning strips 8 link to each other by fastening connection piece, are provided with gasket seal 401 between the joint face of two flangings 801.Used fastening connection piece can be bolt and nut 701 (referring to Fig. 3), also can be connecting pin 702 (generally using wedge pin, referring to Fig. 4).
Referring to Fig. 1, Fig. 2, Fig. 7 and Fig. 8, be provided with stuffing-box between the interior circular arc side of fanning strip 8 and the central tube 11, stuffing-box is made up of stuffing-box pressing plate 501, stuffing-box supporting seat 502 and airtight and watertight padding 402.Stuffing-box pressing plate 501 is to opening structure with stuffing-box supporting seat 502, and promptly the two is divided into the two halves of symmetry along diametric(al) separately; Such structure is easy for installation and maintenance.Airtight and watertight padding 402 is located between stuffing-box supporting seat 502 and the central tube 11.All offer bolt hole (referring to Fig. 9 at the flange of stuffing-box pressing plate 501 and the flange of stuffing-box supporting seat 502 and the interior circular arc side of the fanning strip between two flanges 8, the bolt hole that the interior circular arc side of fanning strip 8 is offered is with Reference numeral 803 expressions), adopt bolt and nut 701 to connect.Bolt and nut 701 fastening backs are compressed airtight and watertight padding 402 by stuffing-box pressing plate 501, thereby realize the interior circular arc side of fanning strip 8 and the sealing of central tube 11 junctions.
Referring to Fig. 1, Fig. 2 and Fig. 9, be provided with stuffing-box between the perforate 804 on catalyst inlet pipe 201 and the fanning strip 8; Stuffing-box is made up of stuffing-box pressing plate, stuffing-box supporting seat and airtight and watertight padding, and stuffing-box pressing plate and stuffing-box supporting seat are to opening structure, and airtight and watertight padding is located between stuffing-box supporting seat and the catalyst inlet pipe 201.Above-mentioned packing box seal structure and encapsulating method are identical with stuffing-box set between the interior circular arc side of fanning strip 8 and the central tube 11, can be referring to relevant explanation; Detailed explanation and accompanying drawing omit.Catalyst inlet pipe 201 adopts conventional being welded to connect with reactor head end socket 301.For ease of installing, catalyst inlet pipe 201 is divided into two sections and the conventional removable connector connection of employing above fanning strip 8, as adopts articulation shown in Figure 1 211 to connect.
Reactor shown in Figure 1 can not be provided with sector drum yet and columnar outer net is set; The overall structure schematic diagram of this reactor is omitted.Outer net and reactor shell and the coaxial setting of central tube, looping space between central tube and the outer net.Only be that with the difference that sector drum is set the external arc side of fanning strip is to link to each other with outer net top connecting plate; Connected mode also is identical with situation about being connected with the sector drum top board.Referring to Fig. 6, the external arc side of fanning strip 8 links to each other by fastening connection piece (bolt and nut 701) with outer net top connecting plate 602, is provided with gasket seal 401 between the joint face of the external arc side of fanning strip 8 and outer net top connecting plate 602.Among Fig. 6, Reference numeral 62 expression outer nets.As situation about being connected with sector drum top board 601 (referring to Figure 10, Figure 11), the external arc side of fanning strip 8 also can adopt connecting pin to be connected with outer net top connecting plate 602; Sector drum top board 601 among the figure is equivalent to outer net top connecting plate 602, and outer net top connecting plate is provided with keeper, and the external arc side of fanning strip offers notch, squeezes into connecting pin behind keeper and the notch fit and is fastenedly connected; Relevant accompanying drawing and detailed description are omitted.
The used gasket seal 401 and the material of airtight and watertight padding 402 can be chosen routinely according to concrete operation operating mode in the above-mentioned centrifugal moving bed radial gas-solid reactor.
More existing centrifugal moving bed radial gas-solid reactors (as described in CN 1454972A), its gas reactant inlet tube, gaseous product outlet pipe and catalyst inlet Guan Jun are located on the top end socket of reactor, arrangement space is comparatively narrow and small, and what can make above-mentioned pipe under some operational circumstances is provided with the comparison difficulty.The present invention improves this, referring to Fig. 1.The gas reactant inlet tube 101 of reactor of the present invention is made up of vertical section and horizontal segment, and vertical section is connected with the top of central tube 11, and horizontal segment is connected on the sidewall of cylindrical drum 302, connects generally all to adopt to be welded to connect.Be provided with knee bend 111 between vertical section and the horizontal segment, the two ends of knee bend 111 are with being respectively equipped with a pair of adpting flange 112 between vertical section and the horizontal segment.Knee bend 111 is a conventional structure, and advantage is that it is less to the gas flow resistance.Adpting flange 112 also can be used for the deviation of adjustments of gas reactant entrance pipe 101 vertical sections and horizontal segment except that playing the connection effect, and is convenient to the installation of gas reactant inlet tube 101; Adpting flange 112 also can be used for regulating the centrad of central tube 11, makes it reach installation requirement.Adpting flange 112 is a conventional structure, connects by fastening connection piece (bolt and nut), is provided with gasket seal between the sealing surface of two flanges in every pair of adpting flange 112, and the material of gasket seal also is to choose routinely according to the concrete operations operating mode.Adopt the structure of the present invention's gas reactant inlet tube 101 shown in Figure 1, make gaseous product outlet pipe 102 and catalyst inlet pipe 201 only are set on the reactor head end socket 301, arrangement space is comparatively loose.
The gas reactant inlet tube of centrifugal moving bed radial gas-solid reactor is connected with reactor shell and central tube.Because reactor shell is different with the material of central tube and the difference of the situation of being heated, the two can produce the inconsistent problem of thermal expansion under some operation operating mode, and act on the gas reactant inlet tube, thereby cause between the fanning strip and fanning strip and other parts between sealing everywhere be damaged, and cause central tube distortion, central tube journal offset.Referring to Fig. 1, reactor of the present invention is provided with expansion loop 9 on the vertical section of gas reactant inlet tube 101, to address this problem.Expansion loop 9 can the absorption reactor thermally housing and the thermal expansion dispersion that produces in vertical direction of central tube 11.The wave number of expansion loop 9 is generally 4～8.For preventing that gaseous product from washing away the outer surface of expansion loop 9, is provided with protective cover 901 in the outside of expansion loop 9, referring to Fig. 1.
Reactor shown in Figure 1 is the ∏ type centrifugal moving bed radial gas-solid reactor of the charging of a kind of top, top discharging, and its operation is carried out in the usual way.Being applied to continuous moving-bed catalytic reforming process with this reactor below is that example is sketched its operating process.The gas phase reforming raw oil is with after hydrogen mixes, under the pressure of 450～550 ℃ temperature, 0.2～0.9MPa, 2～6 hydrogen-oil ratio (mol ratio), enter the central tube 11 of reactor by gas reactant inlet tube 101, central tube 11 is the flow manifold of gas reactant.Gas reactant radially flows to beds in the annular space 10 by central tube 11 afterwards, and reacts under the effect of catalyst.The gaseous product that is generated is then flowed in the sector drum 61 by beds, and the cavity of sector drum 61 is the afflux runner of gaseous product.Gaseous product is flowed out by the top of sector drum 61 again, enters collection chamber, after be located at gaseous product outlet pipe 102 outflow reactors on the top end socket 301.In the operating process, the grain shape of used continuous catalytic reforming catalyst is spherical, and particle diameter is generally 1～2mm.This catalyst enters annular space 10 by catalyst inlet pipe 201, gravity effect lower edge reactor axially move through reactor from top to bottom, form the beds that moves down; Post catalyst reaction is flowed out by the catalyst outlet pipe of being located on the bottom bulkhead 303 202.In above-mentioned operating process, gas reactant flowing in reactor is that centrifugal flow, the contact of gas-solid two-phase are the cross-flow contact.When reactor shown in Figure 1 uses columnar outer net 62 not using sector drum (referring to Fig. 6), the space between outer net 62 and the reactor cylinder shape cylindrical shell 302 constitutes the afflux runner of gaseous product, and explanation is omitted.Among Fig. 1, the arrow of unreceipted Reference numeral is represented the flow direction of gas reactant, gaseous product or catalyst.
The structure and the layout thereof of all parts that specify such as central tube, sector drum or cylindrical shape outer net that reactor of the present invention is used, all with existing conventional structure reactor in identical.
Among Fig. 2 to Figure 11 of the present invention, the represented technical characterictic of all unaccounted Reference numerals all with Fig. 1 in identical.
The hermetically-sealed construction at centrifugal moving bed radial gas-solid reactor beds top proposed by the invention is not only applicable to reactor shown in Figure 1, and be applicable to the reactor of some other structure, the Z type centrifugal moving bed radial gas-solid reactor of the top charging that for example CN1454970A proposed, bottom discharging.Those skilled in the art can implement at an easy rate according to explanation of the present invention.
Reactor of the present invention is specially adapted to the continuous mutually moving-bed catalytic reforming process of gas-solid in petroleum refining and the petrochemical process, also be applicable to some other gas-solid continuous mutually moving bed catalytic reaction process, for example hydrocarbon dehydrogenation reaction process (catalytic dehydrogenation of paraffin dehydrogenation, dehydrogenating propane, alkylaromatic hydrocarbon etc.), aromatization process, moving bed sweetening process etc.; Can be widely used in the design of the transformation of old device or new equipment.
Claims (3)
1. centrifugal moving bed radial gas-solid reactor, comprise by top end socket (301), cylindrical drum (302), the reactor shell that bottom bulkhead (303) is formed, reactor shell is provided with gas reactant inlet tube (101), gaseous product outlet pipe (102), catalyst inlet pipe (201), catalyst outlet pipe (202), interior central tube (11) and the sector drum (61) of being coaxially arranged with it of reactor shell, or be provided with central tube (11) and outer net (62), described gas reactant inlet tube (101) is connected with the top of central tube (11), looping space (10) between central tube (11) and the sector drum (61) or between central tube (11) and the outer net (62), top at annular space (10) is provided with cover plate, described catalyst inlet pipe (201) passes cover plate, its outlet stretches to annular space (10), it is characterized in that: described cover plate is made up of fanning strip (8), fanning strip (8) has an interior circular arc side and an external arc side, its two ends are the straight flange end, be respectively equipped with flanging (801), fanning strip (8) is passed in the perforate (804) of described catalyst inlet pipe (201) on fanning strip (8), the external arc side of fanning strip (8) links to each other by fastening connection piece with sector drum top board (601) or with outer net top connecting plate (602), two flangings (801) of adjacent two fanning strips (8) also link to each other by fastening connection piece, be equipped with gasket seal (401) between the joint face, between the interior circular arc side and central tube (11) of fanning strip (8), be equipped with stuffing-box between the perforate (804) on catalyst inlet pipe (201) and the fanning strip (8), described stuffing-box is by stuffing-box pressing plate (501), stuffing-box supporting seat (502) and airtight and watertight padding (402) are formed.
2. centrifugal moving bed radial gas-solid reactor according to claim 1, it is characterized in that: gas reactant inlet tube (101) is made up of vertical section and horizontal segment, vertical section is connected with the top of central tube (11), horizontal segment is connected on the sidewall of cylindrical drum (302), be provided with knee bend (111) between vertical section and the horizontal segment, the two ends of knee bend (111) are with being respectively equipped with adpting flange (112) between vertical section and the horizontal segment.
3. centrifugal moving bed radial gas-solid reactor according to claim 2 is characterized in that: be provided with expansion loop (9) on the vertical section of gas reactant inlet tube (101), the outside of expansion loop (9) is provided with protective cover (901).
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101072135A CN100398190C (en) | 2005-11-28 | 2005-11-28 | Centrifugal moving bed radial gas-solid reactor |
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| CNB2005101072135A CN100398190C (en) | 2005-11-28 | 2005-11-28 | Centrifugal moving bed radial gas-solid reactor |
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| CN100398190C true CN100398190C (en) | 2008-07-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4022012A4 (en) * | 2019-08-26 | 2023-08-16 | Uop Llc | APPARATUS FOR CATALYTIC REFORMING HYDROCARBONS HAVING A FLOW DISTRIBUTOR AND METHOD FOR REFORMING HYDROCARBONS |
| EP4021626A4 (en) * | 2019-08-26 | 2023-08-23 | Uop Llc | Apparatus for catalytic reforming hydrocarbons having flow distributor and process for reforming hydrocarbons |
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| CN103285782B (en) * | 2012-03-05 | 2015-06-03 | 浙江大学 | Catalyst tremie pipe |
| WO2014032949A1 (en) * | 2012-08-27 | 2014-03-06 | Basf Se | Process for producing water-absorbing polymer particles |
| US20150057480A1 (en) * | 2013-08-22 | 2015-02-26 | Uop Llc | Radial Flow Process and Apparatus |
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| CN112275223B (en) * | 2019-07-25 | 2022-10-18 | 中国石化工程建设有限公司 | Centrifugal moving bed reaction system and flow-solid reaction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567023A (en) * | 1984-02-27 | 1986-01-28 | Uop Inc. | Multiple-stage reactor system for a moving catalyst bed |
| CN1546217A (en) * | 2003-12-12 | 2004-11-17 | 华东理工大学 | A fixed-bed radial reactor for catalytic reforming and catalytic dehydrogenation |
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2005
- 2005-11-28 CN CNB2005101072135A patent/CN100398190C/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567023A (en) * | 1984-02-27 | 1986-01-28 | Uop Inc. | Multiple-stage reactor system for a moving catalyst bed |
| CN1546217A (en) * | 2003-12-12 | 2004-11-17 | 华东理工大学 | A fixed-bed radial reactor for catalytic reforming and catalytic dehydrogenation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4022012A4 (en) * | 2019-08-26 | 2023-08-16 | Uop Llc | APPARATUS FOR CATALYTIC REFORMING HYDROCARBONS HAVING A FLOW DISTRIBUTOR AND METHOD FOR REFORMING HYDROCARBONS |
| EP4021626A4 (en) * | 2019-08-26 | 2023-08-23 | Uop Llc | Apparatus for catalytic reforming hydrocarbons having flow distributor and process for reforming hydrocarbons |
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| CN1973986A (en) | 2007-06-06 |
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