CN112920837A - Naphtha and pre-ether C4 mixed aromatization device and use method thereof - Google Patents
Naphtha and pre-ether C4 mixed aromatization device and use method thereof Download PDFInfo
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- CN112920837A CN112920837A CN202110148119.3A CN202110148119A CN112920837A CN 112920837 A CN112920837 A CN 112920837A CN 202110148119 A CN202110148119 A CN 202110148119A CN 112920837 A CN112920837 A CN 112920837A
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- naphtha
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G35/00—Reforming naphtha
- C10G35/04—Catalytic reforming
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/30—Physical properties of feedstocks or products
- C10G2300/305—Octane number, e.g. motor octane number [MON], research octane number [RON]
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4006—Temperature
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4012—Pressure
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a naphtha and pre-ether C4 mixed aromatization device and a using method thereof, the device comprises a plurality of hollow spheres with deformation capacity, naphtha is contained in the hollow spheres, a catalyst layer is arranged on the inner wall of the hollow sphere positioned on the outermost layer, catalyst layers are arranged on the inner wall and the outer wall of the hollow sphere positioned on the inner layer, a plurality of communicating pipes which are uniformly distributed are arranged between the hollow spheres, a container is arranged outside the hollow sphere positioned on the outermost layer, a water source is filled between the container and the hollow sphere positioned on the outermost layer, a cavity is arranged in the container, an external connecting pipe communicated with the cavity is arranged on the container and is used for introducing pre-ether C4, one end of each communicating pipe penetrates through the hollow sphere positioned on the outermost layer and is communicated with the cavity in the container, the other end of each communicating pipe is communicated with the hollow sphere positioned on the innermost layer, the device can effectively reduce the problem that a reactor with the, the difference of catalytic effect is large due to overlarge temperature drop, and explosion is easy to occur.
Description
Technical Field
The invention relates to the field of oil processing, in particular to a naphtha and pre-ether C4 mixed aromatization device and a using method thereof.
Background
The original technology of naphtha aromatization is that naphtha is heated and cracked and polymerized under the action of catalyst. The octane number is improved by changing the structure of the oil product. In the prior art, cracking belongs to endothermic reaction, and polymerization belongs to exothermic reaction. In the process of full naphtha aromatization reaction, the space velocity of the catalyst reaches about 1.0, and the temperature drop of the full bed layer can reach about 20 ℃. When the temperature of the top part in the reactor reaches the reaction temperature, the temperature of the middle lower part is lower than the reaction temperature due to the whole reaction temperature drop, so that the activity of the catalyst cannot be completely released. If for adapting to the excessive top temperature that improves of bottom temperature, can lead to the top catalyst reaction temperature too high, cause the naphtha cracking degree too high, the gaseous phase accords with excessively, cause the oil yield to reduce, can lead to the regional temperature difference of reactor different height when adopting traditional reactor, lead to catalytic effect difference great, in case improve the top temperature in the reactor, easily lead to the reaction of reactor the superiors acutely, the gas quantity increases in the twinkling of an eye, make the reactor internal pressure increase rapidly, very easily lead to dangerous situations such as explosion to take place.
Disclosure of Invention
Aiming at the existing problems, the invention aims to solve the technical problems that the device for mixing and aromatizing naphtha and pre-ether C4, which has the defects that the traditional reactor cannot uniformly react in the same temperature range, the catalytic effect difference is large due to excessive temperature drop and explosion easily occurs, can be effectively reduced.
The invention provides a naphtha and pre-ether C4 mixed aromatization device which comprises a plurality of hollow spheres with deformability, wherein naphtha is contained in the hollow spheres, a catalyst layer is arranged on the inner wall of the outermost hollow sphere, the catalyst layers are arranged on the inner wall and the outer wall of the inner hollow sphere, a plurality of communicating pipes which are uniformly distributed are arranged between the hollow spheres, a container is arranged outside the outermost hollow sphere, a water source is filled between the container and the outermost hollow sphere, a cavity is arranged in the container, the communicating pipes are communicated with the cavity, an external connecting pipe communicated with the cavity is arranged on the container and is used for introducing pre-ether C4 and naphtha, one end of each communicating pipe penetrates through the outermost hollow sphere and is communicated with the cavity in the container, the other end of the communicating pipe is communicated with the hollow ball bodies on the innermost layer, the hollow ball bodies are provided with output mechanisms penetrating through the container, the communicating pipe is provided with a plurality of communicating mechanisms, and the communicating mechanisms are positioned among the hollow ball bodies.
Preferably, the output mechanism comprises an output pipe and a sealing rod, one end of the output pipe is communicated with the hollow sphere located at the innermost layer, the other end of the output pipe penetrates through the container, a plurality of through holes are formed in the surface of the output pipe, the sealing rod is located in the output pipe, a channel is arranged inside the sealing rod, a switch valve is arranged at one end of the sealing rod, and the channel is used for being externally connected with cooling liquid.
Preferably, the communication mechanism comprises a plurality of branch pipes, and the branch pipes are provided with one-way valves for inputting the pre-ether C4.
Preferably, the outer wall of the hollow sphere positioned at the outermost layer is provided with a first heat preservation layer.
Preferably, a second heat-insulating layer is arranged on the communicating pipe between the container and the outmost hollow sphere, and the first heat-insulating layer is connected with the second heat-insulating layer.
Preferably, the external connecting pipe is provided with a check valve.
Preferably, the surface on first heat preservation is equipped with pressure sensor, be equipped with the connecting rod on the inner wall of container, the connecting rod with pressure sensor looks butt, controller and force (forcing) pump on the outer wall of container, be equipped with the connecting pipe on the force (forcing) pump, the connecting pipe is used for communicateing external water source, the connecting pipe passes the container, pressure sensor with controller signal connection, the controller with force (forcing) pump signal connection, pressure sensor, controller with the force (forcing) pump all is connected with external power supply electricity.
A method for using a naphtha and pre-ether C4 mixed aromatization device comprises the following steps,
s1, introducing high-temperature naphtha into different hollow spheres, and introducing pre-ether C4 into the hollow spheres through the external connecting pipe to react;
and S2, opening the output mechanism after the reaction is finished, and leading out the reacted substances.
The invention has the beneficial effects that:
according to the naphtha and pre-ether C4 mixed aromatization device, high-temperature naphtha is introduced into different hollow spheres, then the pre-ether C4 is introduced into the hollow spheres through the external connecting pipe for reaction, the communicating pipes are arranged on the hollow spheres in an outward radiating state, the communicating pipes on the hollow spheres at the innermost layer are high in distribution density, the communicating pipes on the hollow spheres at the outermost layer are low in distribution density, the hollow spheres at the outermost layer are in direct contact with a water source, the temperature is lowest, when the pre-ether C4 sequentially passes through the external connecting pipe, the cavity in the container, the communicating pipes, the communicating mechanism and the hollow spheres, the heat of the pre-ether C4 is radiated to the naphtha in the hollow spheres at the outermost layer to the greatest extent, and therefore the temperature of the naphtha in the hollow spheres at the outermost layer can be enabled to be capable of being matched with the temperature of the naphtha in the hollow spheres at the innermost layer The naphtha temperature of each area in each hollow sphere is close due to the uniform distribution of the communicating pipes, the reaction among the catalyst layer, the naphtha and the pre-ether C4 is realized, the reaction rate of different areas is uniform due to small temperature drop, and the generation of a large amount of gas due to the over-fast reaction caused by local high temperature is avoided, in addition, the pressure of each area is uniform due to the structure of the hollow spheres, so that the explosion condition easily caused by the traditional reactor structure is avoided, and a certain external pressure can be provided for the hollow spheres after the hollow spheres are expanded through a water source in the container, so that the outermost hollow spheres can be subjected to a certain external pressure, the internal and external pressure difference between the hollow spheres is greatly reduced, and the explosion risk of the hollow spheres is reduced, after the reaction is finished, the output product which is completely reacted can be led out by opening the output mechanism, so that the device is simple and convenient to operate.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a sectional view of the overall structure in the front view direction of a naphtha and pre-ether C4 mixed aromatization apparatus according to the invention.
In the figure, 1 is a hollow sphere, 2 is a catalyst layer, 3 is a communicating pipe, 4 is a container, 5 is a cavity, 6 is an external connecting pipe, 7 is an output pipe, 8 is a sealing rod, 9 is a through hole, 10 is a channel, 11 is a switch valve, 12 is a branch pipe, 13 is a check valve, 14 is a first heat-insulating layer, 15 is a second heat-insulating layer, 16 is a check valve, 17 is a pressure sensor, 18 is a connecting rod, 19 is a controller, 20 is a pressure pump, and 21 is a connecting pipe.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1, the invention provides a naphtha and pre-ether C4 mixed aromatization device, which comprises a plurality of hollow spheres 1 with deformability, wherein naphtha is contained in the hollow spheres 1, a catalyst layer 2 is arranged on the inner wall of the outermost hollow sphere 1, the catalyst layer 2 is arranged on the inner wall and the outer wall of the inner hollow sphere 1, a plurality of communicating pipes 3 which are uniformly distributed are arranged between the hollow spheres 1, a container 4 is arranged outside the outermost hollow sphere 1, a water source is filled between the container 4 and the outermost hollow sphere 1, a cavity 5 is arranged in the container 4, the communicating pipes 3 are communicated with the cavity 5, an external connecting pipe 6 communicated with the cavity 5 is arranged on the container 4, the external connecting pipe 6 is used for introducing pre-ether C4 and naphtha, one end of the communicating pipe 3 penetrates through the outermost hollow sphere 1 and is connected with the cavity 5 in the container 4 The other end of the communicating pipe 3 is communicated with the innermost hollow sphere 1, an output mechanism penetrating through the container 4 is arranged on the hollow sphere 1, a plurality of communicating mechanisms are arranged on the communicating pipe 3, the communicating mechanisms are positioned between the hollow spheres 1, high-temperature naphtha is introduced into different hollow spheres 1, then the C4 before ether is introduced into the hollow spheres 1 through the external connecting pipe 6 for reaction, the communicating pipe 3 is arranged on the hollow spheres 1 in an outward-divergent state, the communicating pipe 3 positioned on the innermost hollow sphere 1 has high distribution density, the communicating pipe 3 positioned on the outermost hollow sphere 1 has low distribution density, and the hollow spheres 1 positioned on the outermost layer are in direct contact with a water source, so the temperature is lowest, and when the C4 before ether sequentially passes through the external connecting pipe 6, The cavity 5, the communication pipe 3, the communication mechanism and the hollow sphere 1 in the vessel 4, the heat of the pre-ether C4 is most dissipated to the naphtha in the hollow sphere 1 positioned at the outermost layer, so that the temperature of the naphtha in the hollow sphere 1 at the outermost layer can be close to the temperature of the naphtha in the hollow sphere 1 at the innermost layer, and the temperature of the naphtha in each region in each hollow sphere 1 is close due to the uniform distribution of the communication pipe 3, and through the reaction between the catalyst layer 2, the naphtha and the pre-ether C4, the temperature drop is small, so that the reaction rates in different regions can be uniform, the generation of a large amount of gas due to the excessively fast reaction caused by local high temperature is avoided, and in addition, the pressure in each region can be uniform due to the structure of the hollow sphere 1, so that the situation that the conventional reactor structure is easy to cause explosion is avoided, and through the water source in the container 4, after the hollow sphere 1 expands, can for hollow sphere 1 provides certain external pressure, makes outmost hollow sphere 1 can receive certain external pressure, has significantly reduced inside and outside pressure differential between the hollow sphere 1 has reduced hollow sphere 1's the risk of bursting, after the reaction finishes, through opening output mechanism, can derive the product that the reaction is complete, makes the easy operation of this device convenient.
Specifically, the output mechanism comprises an output tube 7 and a sealing rod 8, one end of the output tube 7 is communicated with the hollow sphere 1 located at the innermost layer, the other end of the output tube 7 penetrates through the container 4, a plurality of through holes 9 are formed in the surface of the output tube 7, the sealing rod 8 is located in the output tube 7, a channel 10 is formed in the sealing rod 8, a switch valve 11 is arranged at one end of the sealing rod 8, the channel 10 is used for externally connecting cooling liquid, the sealing rod 8 can be made of a material with a thermal expansion amplitude larger than that of the output tube 7, when the reaction is carried out, the sealing rod 8 is further heated and expanded through high temperature generated in the reaction process, so that the through holes 9 in the output tube 7 are blocked, and after the reaction is finished, the sealing rod 8 is cooled by opening the switch valve 11, then the reactant in the hollow sphere 1 can be led out through the through hole 9 on the output pipe 7, the operation is simple and convenient, and the using effect is good.
Specifically, the communicating mechanism comprises a plurality of branch pipes 12, one-way valves 13 used for inputting C4 before ether are arranged on the branch pipes 12, and through the matching between the branch pipes 12 and the one-way valves 13, the device can rapidly guide C4 before ether out of the hollow sphere 1, and the overflow phenomenon is avoided.
Specifically, the outer wall of the hollow sphere 1 located on the outermost layer is provided with the first heat preservation layer 14, and through the effect of the first heat preservation layer 14, the heat dissipation rate can be effectively reduced, and the phenomenon that the temperature of the material in the hollow sphere 1 is too fast to drop is avoided.
Specifically, be located container 4 and outmost between hollow spheroid 1 communicating pipe 3 is equipped with second heat preservation 15, first heat preservation 14 with second heat preservation 15 is connected, through the effect of second heat preservation 15, can effectively reduce rate of heat dissipation, avoids the process the material temperature of communicating pipe 3 drops at the excessive speed.
Specifically, be equipped with check valve 16 on the external pipe 6, through check valve 16's effect can avoid the material in the hollow spheroid 1 leaks.
Specifically, the surface of first heat preservation 14 is equipped with pressure sensor 17, be equipped with connecting rod 18 on the inner wall of container 4, connecting rod 18 with pressure sensor 17 looks butt, controller 19 and force (forcing) pump 20 on the outer wall of container 4, be equipped with connecting pipe 21 on the force (forcing) pump 20, connecting pipe 21 is used for communicateing external water source, connecting pipe 21 passes container 4, pressure sensor 17 with 19 signal connection of controller, controller 19 with 20 signal connection of force (forcing) pump, pressure sensor 17, controller 19 with force (forcing) pump 20 all is connected with external power supply electricity, through pressure sensor 17 with cooperation between the connecting rod 18, when outmost behind the hollow spheroid 1 inflation, can pass through the pressure sensor 17 with the pressure that the inflation produced to controller 19, then through controller 19 control force (forcing) pump 20 pressurizes, the internal pressure and the external pressure of the hollow sphere 1 at the outermost layer can be relatively close, so that the amplitude of the pressure difference applied to the hollow sphere 1 is relatively small, and the risk of bursting is effectively reduced.
A method for using a naphtha and pre-ether C4 mixed aromatization device comprises the following steps,
s1, introducing high-temperature naphtha into different hollow spheres 1, and introducing pre-ether C4 into the hollow spheres 1 through the external connecting pipe 6 to react;
and S2, opening the output mechanism after the reaction is finished, and leading out the reacted substances.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A mixed aromatization device of naphtha and pre-ether C4 is characterized by comprising a plurality of hollow spheres with deformability, wherein naphtha is contained in the hollow spheres, a catalyst layer is arranged on the inner wall of the outermost hollow sphere, the catalyst layer is arranged on the inner wall and the outer wall of the inner hollow sphere, a plurality of communicating pipes which are uniformly distributed are arranged between the hollow spheres, a container is arranged outside the outermost hollow sphere, a water source is filled between the container and the outermost hollow sphere, a cavity is arranged in the container, the communicating pipes are communicated with the cavity, an external connecting pipe communicated with the cavity is arranged on the container and is used for introducing pre-ether C4 and naphtha, one end of each communicating pipe penetrates through the outermost hollow sphere and is communicated with the cavity in the container, the other end of the communicating pipe is communicated with the hollow ball bodies on the innermost layer, the hollow ball bodies are provided with output mechanisms penetrating through the container, the communicating pipe is provided with a plurality of communicating mechanisms, and the communicating mechanisms are positioned among the hollow ball bodies.
2. The naphtha and pre-ether C4 mixed aromatization device according to claim 1, wherein the output mechanism comprises an output tube and a sealing rod, one end of the output tube is communicated with the hollow sphere at the innermost layer, the other end of the output tube penetrates through the container, the surface of the output tube is provided with a plurality of through holes, the sealing rod is positioned in the output tube, a channel is arranged inside the sealing rod, one end of the sealing rod is provided with a switch valve, and the channel is externally connected with a cooling liquid.
3. The mixed aromatization device of naphtha and pre-ether C4 as claimed in claim 1 wherein said communication means comprises a plurality of branch pipes, said branch pipes being provided with check valves for feeding in the pre-ether C4.
4. A naphtha and pre-ether C4 mixed aromatization device according to claim 4 characterized in that the outer wall of the hollow sphere at the outermost layer is provided with a first heat preservation layer.
5. A naphtha and pre-ether C4 mixed aromatization device according to claim 4, wherein the communicating tube between the vessel and the outermost hollow sphere is provided with a second heat insulation layer, and the first heat insulation layer is connected with the second heat insulation layer.
6. The mixed aromatization device of naphtha and pre-ether C4 as claimed in claim 1, wherein a check valve is arranged on the external connecting pipe.
7. The mixed aromatization device of naphtha and pre-ether C4 as claimed in claim 4, wherein a pressure sensor is arranged on the surface of the first heat-insulating layer, a connecting rod is arranged on the inner wall of the container and is abutted against the pressure sensor, a controller and a pressure pump are arranged on the outer wall of the container, a connecting pipe is arranged on the pressure pump and is used for communicating with an external water source, the connecting pipe penetrates through the container, the pressure sensor is in signal connection with the controller, the controller is in signal connection with the pressure pump, and the pressure sensor, the controller and the pressure pump are all electrically connected with an external power supply.
8. The use method of a naphtha and pre-ether C4 mixed aromatization device according to claim 1 is characterized by comprising the following steps,
s1, introducing high-temperature naphtha into different hollow spheres, and introducing pre-ether C4 into the hollow spheres through the external connecting pipe to react;
and S2, opening the output mechanism after the reaction is finished, and leading out the reacted substances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110148119.3A CN112920837A (en) | 2021-02-03 | 2021-02-03 | Naphtha and pre-ether C4 mixed aromatization device and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110148119.3A CN112920837A (en) | 2021-02-03 | 2021-02-03 | Naphtha and pre-ether C4 mixed aromatization device and use method thereof |
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| CN112920837A true CN112920837A (en) | 2021-06-08 |
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| CN202110148119.3A Withdrawn CN112920837A (en) | 2021-02-03 | 2021-02-03 | Naphtha and pre-ether C4 mixed aromatization device and use method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2110105A (en) * | 1981-11-02 | 1983-06-15 | Toyo Engineering Corp | Spherical reactor having a plurality of cylindrical reaction chambers and method for carrying out a reaction using said spherical reactor |
| US5458857A (en) * | 1992-12-02 | 1995-10-17 | Rolls-Royce, Plc | Combined reformer and shift reactor |
| WO2006095130A1 (en) * | 2005-03-05 | 2006-09-14 | Catal International Limited | A reactor |
| CN101747933A (en) * | 2008-11-28 | 2010-06-23 | 中国石油化工股份有限公司 | Modifying method for naphtha and light hydrocarbon aromatization |
| CN104910957A (en) * | 2015-06-09 | 2015-09-16 | 天津市福生染料厂 | Process for preparing high-octane-rating high-cleaning gasoline based on naphtha and methanol as raw materials |
| CN109054892A (en) * | 2018-08-28 | 2018-12-21 | 中石化（洛阳）科技有限公司 | A kind of system and preparation method thereof of naphtha coupling methanol production high-quality gasoline |
-
2021
- 2021-02-03 CN CN202110148119.3A patent/CN112920837A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2110105A (en) * | 1981-11-02 | 1983-06-15 | Toyo Engineering Corp | Spherical reactor having a plurality of cylindrical reaction chambers and method for carrying out a reaction using said spherical reactor |
| US5458857A (en) * | 1992-12-02 | 1995-10-17 | Rolls-Royce, Plc | Combined reformer and shift reactor |
| WO2006095130A1 (en) * | 2005-03-05 | 2006-09-14 | Catal International Limited | A reactor |
| CN101747933A (en) * | 2008-11-28 | 2010-06-23 | 中国石油化工股份有限公司 | Modifying method for naphtha and light hydrocarbon aromatization |
| CN104910957A (en) * | 2015-06-09 | 2015-09-16 | 天津市福生染料厂 | Process for preparing high-octane-rating high-cleaning gasoline based on naphtha and methanol as raw materials |
| CN109054892A (en) * | 2018-08-28 | 2018-12-21 | 中石化（洛阳）科技有限公司 | A kind of system and preparation method thereof of naphtha coupling methanol production high-quality gasoline |
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Application publication date: 20210608 |
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