CN204051639U - The reactor of methanol toluene aromatic hydrocarbons, catalyst regenerator and complete set of equipments - Google Patents
The reactor of methanol toluene aromatic hydrocarbons, catalyst regenerator and complete set of equipments Download PDFInfo
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- CN204051639U CN204051639U CN201420350644.9U CN201420350644U CN204051639U CN 204051639 U CN204051639 U CN 204051639U CN 201420350644 U CN201420350644 U CN 201420350644U CN 204051639 U CN204051639 U CN 204051639U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Abstract
The utility model provides a kind of reactor of methanol toluene aromatic hydrocarbons, catalyst regenerator and complete set of equipments, sealing plate (18) and central tube (16) is provided with in the cylindrical shell (14) of the reactor of this methanol toluene aromatic hydrocarbons, between central tube (16) and cylindrical shell (14), be provided with the outer net (15) of tubular.The damage that reactor containing this methanol toluene aromatic hydrocarbons and the complete set of equipments of catalyst regenerator can occur in operation at maximum minimizing catalyst or inefficacy, the cracking caused because of thermal (temperature difference) stress, the calculating of internal intensity can the more effective inefficacy preventing producing because of excessive deformation.In slagging prevention and minimizing catalyst abrasion, also has significant effect simultaneously.Make the feed stock conversion of methanol toluene aromatic hydrocarbons higher at process aspect, target product paraxylene selective higher.
Description
Technical field
The utility model relates to Coal Chemical Industry and technical field of petrochemical industry, particularly a kind of reactor of methanol toluene aromatic hydrocarbons, or a kind of catalyst regenerator of methanol toluene aromatic hydrocarbons, or a kind of complete set of equipments containing this reactor and catalyst regenerator.
Background technology
Paraxylene (PX) is a kind of important Organic Chemicals, at present, paraxylene mainly obtains through Aromatic Hydrocarbon United Plant, first naphtha is obtained reformed oil containing aromatic hydrocarbons by CONTINUOUS REFORMER, then obtain PX product to greatest extent through unit such as Aromatics Extractive Project, aromatic hydrocarbons fractionation, disproportionation and transalkylation, xylene isomerization and adsorbing separation.Because paraxylene is subject to balance controlled at the content of three isomers, paraxylene only accounts for about 23% in C8 BTX aromatics, so Matter Transfer treating capacity is large in whole PX production process, equipment is huge, and operating cost is high.Particularly the boiling point difference of dimethylbenzene three isomers is very little, adopts common distillation technique can not obtain high-purity paraxylene, and must adopt expensive adsorptive separation technology.
Along with the in short supply of world petroleum resource and rise in price, the supply of chemical industry and the important source material naphtha needed for fuel will be becoming tight day.For this reason, the new technology developing Non oil-based route production aromatic hydrocarbons is also the important directions that everybody pays close attention to always.Alkylation of toluene methanol and methylbenzene shape selective disproportionation produce paraxylene by the shape high selectivity of selecting of catalyst, the toluene resource that this technology utilization market is excessive and the cheap methyl alcohol resource that Non oil-based route is produced, thus achieve the combination of petrochemical industry and Coal Chemical Industry, be the important variation route of a non-naphtha aromatic hydrocarbons.
Methanol toluene paraxylene moving bed process reaction pressure is low, requires that reactor pressure decrease is little, and the easy coking and deactivation of molecular sieve catalyst used, needs circular regeneration.Therefore, the process employs radial bed reactor and regenerator.Because the parameters such as reaction condition, reaction principle, regeneration condition and specificity of catalyst are reformed different from Conventional catalytic, therefore reactor and regenerator need particular design, to meet the needs of methanol toluene aromatic hydrocarbons moving bed process.
For this cover technological requirement, structure, the equipment internals of complete set of equipments all need particular design, domesticly there is no design precedent, and the complete set of equipments developing complete independent intellectual property right is imperative.
Utility model content
In order to solve in the methanol toluene aromatic hydrocarbons project implementation process, the design problem of reactor and regenerator.The utility model is in conjunction with detailed design data and technological requirement, provide a kind of reactor of methanol toluene aromatic hydrocarbons, catalyst regenerator and complete set of equipments, the reactor of this methanol toluene aromatic hydrocarbons and catalyst regenerator carry out planning and designing in structure and critical component, while can meeting technological requirement completely, maximum meeting can be obtained in the convenience of installing and overhaul again.
The utility model is the technical scheme solving the employing of its technical problem: a kind of reactor of methanol toluene aromatic hydrocarbons, comprise cylindrical shell, the upper end of cylindrical shell is provided with inlet dispenser for inputting reactant in cylindrical shell and for the Catalyst tremie pipe to enter catalyst in cylindrical shell, the lower end of cylindrical shell is provided with the discharging adapter exported for product and the catalyst adapter exported for catalyst, sealing plate and central tube is provided with in cylindrical shell, between central tube and cylindrical shell, be provided with the outer net of tubular; Outer net is Johnson Net, and central tube comprises inner core and is set in the Johnson Net outside this inner core, and the sidewall of this inner core is provided with multiple through hole.
Central tube cone cylinder is provided with between central tube and sealing plate, the upper end of central tube cone cylinder is welded with sealing plate, the lower end of central tube cone cylinder is corresponding with the upper end of central tube welds, central tube cone cylinder is infundibulate, outer net cone cylinder is provided with between outer net and sealing plate, upper end and the sealing plate of outer net cone cylinder still have certain interval, and the lower end of outer net cone cylinder is corresponding with the upper end of outer net to be connected.
Inlet dispenser has multilayer baffle plate, and multiple dispensing orifice is arranged at baffle plate top, and the sealing plate between outer net cone cylinder and cylinder lateral wall is provided with multiple through hole.
One end of Catalyst tremie pipe is arranged on outside cylindrical shell, and the other end of Catalyst tremie pipe inserts in the beds between central tube and outer net.Specifically, one end of Catalyst tremie pipe is arranged on outside cylindrical shell and is connected with catalyst transport, and the other end of Catalyst tremie pipe is plugged on the sealing plate between central tube cone cylinder and outer net cone cylinder.
Be provided with annular groove in the upper end of discharging adapter, the lower end of central tube and this annular groove are bolted to connection, and the lower end of outer net is fixedly connected with the inwall of cylindrical shell by positioning support pushing out ring.
A kind of catalyst regenerator of methanol toluene aromatic hydrocarbons, comprise cylindrical shell, for being located at the upper end of cylindrical shell to the catalyst inlet of enter catalyst in cylindrical shell, catalyst outlet for catalyst output is located at the lower end of cylindrical shell, be provided with catalyst seal plate and midfoot support plate in cylindrical shell, in cylindrical shell, be also provided with upper catalyst agent tremie pipe, central tube, lower catalytic agent tremie pipe successively; Central tube is sleeve structure, central tube comprises epimere, stage casing and hypomere, and the described stage casing of central tube comprises outer net and inner central tube, and outer net is Johnson Net, inner central tube comprises inner core and is set in the Johnson Net outside this inner core, and the sidewall of this inner core is provided with multiple through hole.
Midfoot support plate is arranged on the below of catalyst seal plate, and upper catalyst agent tremie pipe and central tube are arranged between catalyst seal plate and midfoot support plate, and lower catalytic agent feed pipe is arranged between midfoot support plate and the lower end of cylindrical shell.
Central tube is sleeve structure, and central tube comprises epimere, stage casing and hypomere, and the outer sleeve in described stage casing is Johnson Net, and the inner sleeve in described stage casing comprises Johnson Net and inner layer sleeve, and the sidewall of this inner layer sleeve is provided with multiple through hole.
Cylindrical shell comprises upper shell, middle cylinder body and lower shell, is connected between this upper shell and this middle cylinder body by shell flange, is connected between this middle cylinder body and this lower shell by shell flange.
Midfoot support plate for fixed center pipe lower end is arranged in this middle cylinder body, is provided with the lower seal plate for fixing lower catalytic agent tremie pipe in this lower shell, and bottom is provided with ring catalyst gear cylinder.
A complete set of equipments for methanol toluene aromatic hydrocarbons, the reactor containing multiple above-mentioned methanol toluene aromatic hydrocarbons, also comprises the catalyst regenerator of above-mentioned methanol toluene aromatic hydrocarbons; The catalyst outlet of the catalyst regenerator of methanol toluene aromatic hydrocarbons is connected with the Catalyst tremie pipe of the reactor of a methanol toluene aromatic hydrocarbons in the reactor of multiple methanol toluene aromatic hydrocarbons, catalyst adapter in the reactor of multiple methanol toluene aromatic hydrocarbons and Catalyst tremie pipe are connected successively, and the catalyst adapter of the reactor of last the methanol toluene aromatic hydrocarbons in the reactor of multiple methanol toluene aromatic hydrocarbons is connected with the catalyst inlet of the catalyst regenerator of methanol toluene aromatic hydrocarbons; In the reactor of multiple methanol toluene aromatic hydrocarbons, discharging adapter and inlet dispenser are connected successively.
The beneficial effects of the utility model are: make the feed stock conversion of methanol toluene aromatic hydrocarbons higher at process aspect, target product paraxylene selective higher, make reactor, regenerator at low pressure drop (8kpa-10kpa), operate under high uniform air distribution degree (more than 95%) condition.The complete set of equipments of this cover methanol toluene aromatic hydrocarbons also has this reactor of outstanding feature and regenerator by the optimization of structure from the structural design of equipment own and manufacturing process, it is more convenient to make in reactor regenerator repair and maintenance, the design of novel reactor central tube, outer net and regenerator intranet and extranet, the damage that maximum minimizing occurs in operation or inefficacy, the cracking caused because of thermal (temperature difference) stress, the calculating of internal intensity can the more effective inefficacy preventing producing because of excessive deformation.In slagging prevention and minimizing catalyst abrasion, also has significant effect simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the reactor of methanol toluene aromatic hydrocarbons described in the utility model, catalyst regenerator and complete set of equipments are described in further detail.
Fig. 1 is the structural representation of the reactor of methanol toluene aromatic hydrocarbons.
Fig. 2 is the structural representation of the catalyst regenerator of methanol toluene aromatic hydrocarbons.
Fig. 3 is the structural representation of the complete set of equipments of methanol toluene aromatic hydrocarbons.
Wherein 11. inlet dispensers, 12. Catalyst tremie pipe, 13. vessel flanges, 14. cylindrical shells, 15. outer nets, 16. central tubes, 17. positioning support pushing out rings, 18. sealing plates, 19. abutment sleeves, 20. outer net cone cylinders, 21. discharging adapters, 22. central tube cone cylinders, 23. catalyst adapters, 24. thermocouple inside extending tubes;
31. cylindrical shells, 32. shell flanges, 33. catalyst seal plates, 34. bracing rings, 35. upper catalyst agent tremie pipes, 36. central tubes, 361. outer nets, 362. inner central tubes, 37. midfoot support plates, 38. lower catalytic agent tremie pipes, 39. lower seal plates, 40. ring catalyst gear cylinders, 41. container journal stirrups, 42. catalyst outlets, 43. catalyst inlets, 44. nitrogen inlets, 45. burn entrance, 46. burn outlet, 47. roast outlets, 48. roast entrances;
The reactor of 50. methanol toluene aromatic hydrocarbons, the catalyst regenerator of 60. methanol toluene aromatic hydrocarbons, 70. reaction raw materials.
Detailed description of the invention
Be described in further detail below in conjunction with the reactor of accompanying drawing to methanol toluene aromatic hydrocarbons described in the utility model.A kind of reactor of methanol toluene aromatic hydrocarbons, comprise cylindrical shell 14, the upper end of cylindrical shell 14 is provided with inlet dispenser 11 for inputting reactant in cylindrical shell 14 and for the Catalyst tremie pipe 12 to enter catalyst in cylindrical shell 14, the lower end of cylindrical shell 14 is provided with the discharging adapter 21 exported for product and the catalyst adapter 23 exported for catalyst, sealing plate 18 and central tube 16 is provided with in cylindrical shell 14, central tube 16 is arranged between the lower end of sealing plate 18 and cylindrical shell 14, between central tube 16 and cylindrical shell 14, be provided with the outer net 15 of tubular.As shown in Figure 1.
Outer net 15 is Johnson Net (grizzly bar, the support rod) structure strengthened, the smooth surface of this Johnson Net and catalyst exposure and impulse-free robustness, must ensure there are enough strength and stiffness under high-temperature operation condition, after the reactor of this methanol toluene aromatic hydrocarbons maximizes, outer net 15 is sector drum.Central tube 16 comprises inner core and is set in the Johnson Net outside this inner core, and this central tube 16 is made by welding, and the sidewall of this inner core is provided with multiple through hole.
Be provided with central tube between central tube 16 and sealing plate 18 and bore cylinder 22, the upper end of central tube cone cylinder 22 is connected with sealing plate 18, the lower end of central tube cone cylinder 22 is corresponding with the upper end of central tube 16 to be connected, central tube cone cylinder 22 is infundibulate, be provided with outer net between outer net 15 and sealing plate 18 and bore cylinder 20, the upper end of outer net cone cylinder 20 is connected with sealing plate 18, is provided with gap between the upper end of outer net cone cylinder 20 and sealing plate 18, the lower end of outer net cone cylinder 20 is corresponding with the upper end of outer net 15 to be connected, as shown in Figure 1.
Inlet dispenser 11 has multilayer baffle plate, and baffle plate is offered multiple dispensing orifice.One end of Catalyst tremie pipe 12 is arranged on outside cylindrical shell 14, and the other end of Catalyst tremie pipe 12 inserts on the beds between central tube 16 and outer net 15.Sealing plate 18 is provided with the abutment sleeve 19 for fixed catalyst tremie pipe 12, and the sealing plate 18 between outer net cone cylinder 20 and cylindrical shell 14 sidewall is provided with multiple through hole.
Annular groove is provided with in the upper end of discharging adapter 21, lower end and this annular groove of central tube 16 are bolted to connection, the position that the lower end of central tube 16 contacts with discharging adapter 21 is provided with chamfering and seal, the lower end of outer net 15 is fixedly connected with by the inwall of positioning support pushing out ring 17 with cylindrical shell 14, as shown in Figure 1.
Cylindrical shell 14 is formed by connecting by vessel flange 13 by upper shell and lower shell, is also plugged with the thermocouple inside extending tube 24 for thermometric in central tube 22.
The course of work of the reactor of this methanol toluene aromatic hydrocarbons is as follows: catalyst is filled between the central tube 16 of reactor and outer net 15 by Catalyst tremie pipe 12, as shown by arrow A.Reaction raw materials 70 enters reactor from the inlet dispenser 11 on top, enter the annular space between cylindrical shell 14 and outer net 15, under certain reaction temperature, radial direction is there is and reacts and the central tube 16 entering reactor in reaction raw materials by beds, as shown by arrow B, and flowed out by the discharging adapter 21 of bottom.As in Fig. 1, arrow A represents the flow direction of catalyst, and arrow B represents the flow direction of reaction raw materials.
A kind of catalyst regenerator 60 of methanol toluene aromatic hydrocarbons, comprise cylindrical shell 31, for being located at the upper end of cylindrical shell 31 to the catalyst inlet 43 of enter catalyst in cylindrical shell 31, catalyst outlet 42 for catalyst output is located at the lower end of cylindrical shell 31, catalyst seal plate 33 is provided with in cylindrical shell 31, between catalyst seal plate 33 and the lower end of cylindrical shell 31, be also provided with upper catalyst agent tremie pipe 35, central tube 36 and lower catalytic agent tremie pipe 38 in cylindrical shell 31 successively, as shown in Figure 2.
Central tube 36 is sleeve structure, central tube 36 comprises epimere, stage casing and hypomere, the described stage casing of central tube 36 comprises outer net 361 and inner central tube 362, outer net 361 is Johnson Net, inner central tube 362 comprises inner core and is set in the Johnson Net outside this inner core, and the sidewall of this inner core is provided with multiple through hole.Namely the outer net 361 in this stage casing is substantially identical with the structure of the outer net 15 of the reactor 50 of methanol toluene aromatic hydrocarbons, and namely the inner central tube 362 in this stage casing is substantially identical with the structure of the central tube 16 of the reactor 50 of methanol toluene aromatic hydrocarbons.
Cylindrical shell 31 comprises upper shell, middle cylinder body and lower shell, is connected between this upper shell and this middle cylinder body by shell flange 32, is connected between this middle cylinder body and this lower shell by shell flange 32.Manhole can be served as after upper shell unloads.
The middle part catalyst support plate 37 for fixed center pipe 36 lower end is provided with in this middle cylinder body, the lower seal plate 39 for fixing lower catalytic agent tremie pipe 38 is provided with in this lower shell, also be provided with lower catalytic agent annular gear cylinder 40 in this lower shell, lower catalytic agent annular gear cylinder 40 is set in outside lower catalytic agent tremie pipe 38.
The course of work of the catalyst regenerator 60 of this methanol toluene aromatic hydrocarbons is as follows: catalyst enters this catalyst regenerator by catalyst inlet 43, under certain reaction temperature, carry out catalyst after stage casing bed by the central tube 36 of this catalyst regenerator to burn (as arrow C in Fig. 2 represents the flow direction of catalyst), thus by catalyst regeneration, recover catalyst activity.And then promote catalyst and return reactor 50, thus raw material is reacted in reactor to product (aromatic hydrocarbons), after reaction, the catalyst of inactivation regenerates in regenerator again, as shown in Figure 3.
Catalyst seal plate 33 and upper catalyst agent tremie pipe 35 need to be welded in one before installing, and before welding upper catalyst agent tremie pipe 35 bottom are machined to precision prescribed.Catalyst support plate 33 and bracing ring 34, with together with clamp fastening, do not have obstruction (central tube geometric size of bedplate bracing ring 34 physical dimension) when the physical dimension of bracing ring 34 should ensure that central tube entirety enters.Lower catalytic agent tremie pipe 38 and lower catalytic agent sealing plate 39 adopt gap to coordinate equally, and at Catalyst tremie pipe 38 additional ring catalyst gear cylinder 40.
In the reactor 50 of methanol toluene aromatic hydrocarbons and the catalyst regenerator 60 of methanol toluene aromatic hydrocarbons, the internal installation of reactor and regenerator passes through mounting means flexibly, meets the installation accuracy requirement of internals.Reactor and regenerator internals adjust sealing effectiveness by the precision improving the tolerance fit between internals.Outer net 15, central tube 16 and central tube 36 adopt wedge shape net (Johnson Net) structure being applicable to this device moving bed and requiring.While can ensureing reaction and regenerative response, there are under can also meeting the condition of high-temperature hydro-refining enough strength and stiffness and ensure equipment traveling comfort and reliability.
The superstructure of reactor adopts additional equipment flange or handling hole; Reactor outer net or sector drum and substructure adopt annular to strengthen location structure; The employing integrative-structure of reactor central tube and sealing plate, and have clear and definite requirement to the machining accuracy of sealing plate, installation accuracy; Reactor central tube and substructure adopt special seal structure and bolted is located, and for convenience of installing, contiguous block portion separates inner groovy, also can not affect central tube discharging, the phenomenons such as slagging prevention simultaneously.
The inlet dispenser of reactor is lifted on the cylindrical shell end socket of top, so that feed(raw material)inlet is evenly distributed.The catalyst blanking plate of regenerator circularizes gear cylinder, and is welded on cylinder inboard wall, is convenient to catalyst and flows out from outlet, and the generation of slagging prevention phenomenon.
During reactor central tube, reactor sector drum or outer net employing Johnson Net, Johnson Net wants enough strength and stiffness, ensure not damage under long term high temperature conditional operation, require smooth surface and impulse-free robustness and concavo-convex phenomenon, to prevent the wearing and tearing of valuable catalyst simultaneously.The percent opening of simultaneous reactions device central tube and sector drum must meet the requirement of reaction process, Grill space is 1.0mm, both ensure that the circulation that movable bed catalyst is good and the time of staying, also ensure that the pressure drop that bed is less, provide good gas-solid phase reaction interface.The intranet and extranet of regenerator also will meet above-mentioned requirements.
Raw material, by reactor inlet distributor, makes entrance material feeding more even.By the integral solder of central tube and central tube location-plate, ensure that installation accuracy.By three layers of design to central tube, namely ensure that the intensity of central tube, effectively ensure technological requirement again.Taken over by central tube and lower part outlet and adopt circumferential bolted and install sealing gasket additional, not only ensure that the convenience of installation but also can sealing function be played.
A complete set of equipments for methanol toluene aromatic hydrocarbons, the reactor 50 containing multiple above-mentioned methanol toluene aromatic hydrocarbons, also comprises the catalyst regenerator 60 of methanol toluene aromatic hydrocarbons; The catalyst outlet 42 of the catalyst regenerator 60 of methanol toluene aromatic hydrocarbons is connected with the Catalyst tremie pipe 12 of the reactor 50 of a methanol toluene aromatic hydrocarbons in the reactor 50 of multiple methanol toluene aromatic hydrocarbons, catalyst adapter 23 in the reactor 50 of multiple methanol toluene aromatic hydrocarbons and Catalyst tremie pipe 12 are connected successively, and the catalyst adapter 23 of the reactor 50 of last the methanol toluene aromatic hydrocarbons in the reactor 50 of multiple methanol toluene aromatic hydrocarbons is connected with the catalyst inlet 43 of the catalyst regenerator 60 of methanol toluene aromatic hydrocarbons; Namely as shown in Figure 3.
In the reactor 50 of multiple methanol toluene aromatic hydrocarbons, discharging adapter 21 and inlet dispenser 11 are connected successively, namely as shown in Figure 3, the discharging adapter 21 of the reactor 50 of first methanol toluene aromatic hydrocarbons is connected with the inlet dispenser 11 of the reactor 50 of second methanol toluene aromatic hydrocarbons, and the discharging adapter 21 of the reactor 50 of second methanol toluene aromatic hydrocarbons is connected with the inlet dispenser 11 of the reactor 50 of the 3rd methanol toluene aromatic hydrocarbons.
The major advantage of this complete equipment is: make the feed stock conversion of methanol toluene aromatic hydrocarbons higher at process aspect, target product paraxylene selective higher, make reactor, regenerator at low pressure drop (8kpa-10kpa), operate under high uniform air distribution degree (more than 95%) condition.This complete equipment also has this reactor of outstanding feature and regenerator by the optimization of structure from the structural design of equipment own and manufacturing process, it is more convenient to make in reactor regenerator repair and maintenance, the design of novel reactor central tube, outer net or sector drum and regenerator intranet and extranet, the damage that maximum minimizing occurs in operation or inefficacy.Can the excessive inefficacy of the more effective distortion preventing producing because of thermal (temperature difference) stress.Catalyst abrasion aspect have employed special inner parts structure design simultaneously, also has significant effect to minimizing catalyst abrasion.
The above; be only specific embodiment of the utility model, the scope of utility model enforcement can not be limited with it, so the displacement of its equivalent assemblies; or the equivalent variations to do according to the utility model scope of patent protection and modification, all still should belong to the category that this patent is contained.In addition, the technical characteristic in the utility model and all can using by independent assortment between technical characteristic, between technical characteristic and technical scheme, between technical scheme and technical scheme.
Claims (11)
1. the reactor of a methanol toluene aromatic hydrocarbons, it is characterized in that, the reactor of described methanol toluene aromatic hydrocarbons comprises cylindrical shell (14), the upper end of cylindrical shell (14) is provided with for the inlet dispenser (11) of input reactant in cylindrical shell (14) with for the Catalyst tremie pipe (12) to cylindrical shell (14) interior enter catalyst, the lower end of cylindrical shell (14) is provided with discharging adapter (21) exported for product and catalyst adapter (23) exported for catalyst, sealing plate (18) and central tube (16) is provided with in cylindrical shell (14), between central tube (16) and cylindrical shell (14), be provided with the outer net (15) of tubular,
Outer net (15) is Johnson Net, and central tube (16) comprises inner core and is set in the Johnson Net outside this inner core, and the sidewall of this inner core is provided with multiple through hole.
2. the reactor of methanol toluene aromatic hydrocarbons according to claim 1, it is characterized in that: be provided with central tube between central tube (16) and sealing plate (18) and bore cylinder (22), the upper end of central tube cone cylinder (22) is welded with sealing plate (18), and the lower end of central tube cone cylinder (22) is corresponding with the upper end of central tube (16) welds.
3. the reactor of methanol toluene aromatic hydrocarbons according to claim 1, it is characterized in that: outer net (15) top is provided with outer net cone cylinder (20), be provided with gap between the upper end of outer net cone cylinder (20) and sealing plate (18), the lower end of outer net cone cylinder (20) is corresponding with the upper end of outer net (15) to be connected.
4. the reactor of methanol toluene aromatic hydrocarbons according to claim 1, it is characterized in that: inlet dispenser (11) is containing multilayer baffle plate, and this baffle plate offers multiple dispensing orifice, the sealing plate (18) between outer net cone cylinder (20) and cylindrical shell (14) sidewall is provided with multiple through hole.
5. the reactor of methanol toluene aromatic hydrocarbons according to claim 1, it is characterized in that: one end of Catalyst tremie pipe (12) is arranged on cylindrical shell (14) outward, the other end of Catalyst tremie pipe (12) inserts in the beds between central tube (16) and outer net (15).
6. the reactor of methanol toluene aromatic hydrocarbons according to claim 1, it is characterized in that: in the upper end of discharging adapter (21), be provided with annular groove, lower end and this annular groove of central tube (16) are bolted to connection, and the lower end of outer net (15) is fixedly connected with by the inwall of positioning support pushing out ring (7) with cylindrical shell (14).
7. the catalyst regenerator of a methanol toluene aromatic hydrocarbons, it is characterized in that: the catalyst regenerator of methanol toluene aromatic hydrocarbons comprises cylindrical shell (31), for being located at the upper end of cylindrical shell (31) to the catalyst inlet (43) of cylindrical shell (31) interior enter catalyst, catalyst outlet (42) for catalyst output is located at the lower end of cylindrical shell (31), catalyst seal plate (33) and midfoot support plate (37) is provided with in cylindrical shell (31), upper catalyst agent tremie pipe (35) is also provided with successively in cylindrical shell (31), central tube (36) and lower catalytic agent feed pipe (38),
Central tube (36) is sleeve structure, central tube (36) comprises epimere, stage casing and hypomere, the described stage casing of central tube (36) comprises outer net (361) and inner central tube (362), outer net (361) is Johnson Net, inner central tube (362) comprises inner core and is set in the Johnson Net outside this inner core, and the sidewall of this inner core is provided with multiple through hole.
8. catalyst regenerator according to claim 7, it is characterized in that: midfoot support plate (37) is arranged on the below of catalyst seal plate (33), upper catalyst agent tremie pipe (35) and central tube (36) are arranged between catalyst seal plate (33) and midfoot support plate (37), and lower catalytic agent feed pipe (38) is arranged between the lower end of midfoot support plate (37) and cylindrical shell (31).
9. catalyst regenerator according to claim 7, it is characterized in that: cylindrical shell (31) comprises upper shell, middle cylinder body and lower shell, connected by shell flange (32) between this upper shell and this middle cylinder body, connected by shell flange (32) between this middle cylinder body and this lower shell.
10. catalyst regenerator according to claim 7, it is characterized in that: the midfoot support plate (37) for fixed center pipe (36) lower end is arranged in this middle cylinder body, be provided with the lower seal plate (39) for fixing lower catalytic agent tremie pipe (38) in this lower shell, the bottom of this lower shell establishes ring catalyst to keep off cylinder (40).
The complete set of equipments of 11. 1 kinds of methanol toluene aromatic hydrocarbons, it is characterized in that: the complete set of equipments of this methanol toluene aromatic hydrocarbons contains the reactor (50) of the multiple methanol toluene aromatic hydrocarbons in claim 1 ~ 6 described in any one, also comprises the catalyst regenerator (60) of the methanol toluene aromatic hydrocarbons in claim 7 ~ 10 described in any one;
The catalyst outlet (42) of the catalyst regenerator (60) of methanol toluene aromatic hydrocarbons is connected with the Catalyst tremie pipe (12) of the reactor (50) of a methanol toluene aromatic hydrocarbons in the reactor (50) of multiple methanol toluene aromatic hydrocarbons, catalyst adapter (23) in the reactor (50) of multiple methanol toluene aromatic hydrocarbons and Catalyst tremie pipe (12) are connected successively, catalyst adapter (23) of the reactor (50) of last the methanol toluene aromatic hydrocarbons in the reactor (50) of multiple methanol toluene aromatic hydrocarbons is connected with the catalyst inlet (43) of the catalyst regenerator (60) of methanol toluene aromatic hydrocarbons,
In the reactor (50) of multiple methanol toluene aromatic hydrocarbons, discharging adapter (21) and inlet dispenser (11) are connected successively.
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| CN108555525A (en) * | 2018-04-17 | 2018-09-21 | 南京金创有色金属科技发展有限公司 | A kind of welding and restoring process for absorption desulfurization regeneration device |
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