CN215559982U - Production device for preparing isobutanol and high-octane gasoline component oil - Google Patents
Production device for preparing isobutanol and high-octane gasoline component oil Download PDFInfo
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- CN215559982U CN215559982U CN202022737877.2U CN202022737877U CN215559982U CN 215559982 U CN215559982 U CN 215559982U CN 202022737877 U CN202022737877 U CN 202022737877U CN 215559982 U CN215559982 U CN 215559982U
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Abstract
The utility model discloses a production device for preparing isobutanol and high-octane gasoline component oil, which comprises a methanol modification tank, wherein one side of the methanol modification tank is connected with a modified alcohol and naphtha mixing tank, one sides of the methanol modification tank, the modified alcohol and naphtha mixing tank and a tubular heat-conducting oil preheating tank are respectively provided with a flap magnetic liquid level meter, a heat-conducting oil heating pipe is arranged in the tubular heat-conducting oil preheating tank and a pipeline reactor, a one-way valve is arranged in the front of the pipeline reactor, and a pressure regulating valve is arranged behind the pipeline reactor, steerable reactor velocity of flow and pipeline pressure to ensure catalyst airspeed, temperature and pressure, pipeline reactor one side is connected with catalyst reactor, and catalyst reactant opposite side has from left to right connected gradually decompression methyl alcohol rectifying column, decompression isopropyl alcohol rectifying column and decompression isobutanol rectifying column, and this device has low in production cost, and the device is simple workable, efficient advantage.
Description
Technical Field
The utility model relates to the technical field of fine chemical engineering, in particular to a production device for preparing isobutanol and high-octane gasoline component oil.
Background
The existing methanol-to-gasoline production device basically dehydrates methanol to prepare dimethyl ether to prepare gasoline component oil or ethylene under high temperature and high pressure, and 2.25 tons of methanol are needed to produce one ton of gasoline component oil (yield is 44.5 percent) or 1 ton of isobutanol (yield is 58.8 percent) prepared from 1.7 tons of methanol, so that the yield is low, the cost is high, and potential safety hazards of high temperature and high pressure exist.
At present, methyl tert-butyl ether (MTBE) is forbidden to be used as a gasoline antiknock agent in the United states and Europe, the MTBE is a high carcinogen, is mutually soluble with underground water after leakage and cannot be degraded for decades, the United states environmental protection agency is forbidden to use the MTBE as the gasoline antiknock agent in 2017, and isobutanol is officially approved as an advanced environment-friendly gasoline additive to improve the octane number and the combustion efficiency.
Aiming at the problems of high cost and low production efficiency, the utility model provides a production device for preparing isobutanol and high-octane gasoline component oil in order to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a production device for preparing isobutanol and high-octane gasoline component oil, which has the advantages of low cost, simple device, easy processing and high production efficiency and solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a production device for preparing isobutanol and high-octane gasoline component oil comprises a methanol modification tank, wherein one side of the methanol modification tank is connected with a modified alcohol and naphtha mixing tank, one side, far away from the methanol modification tank, of the modified alcohol and naphtha mixing tank is connected with a vertical pipe type heat conduction oil preheating tank, one side of the vertical pipe type heat conduction oil preheating tank is connected with a pipeline reactor, one side of the pipeline reactor is connected with a catalyst reactor, and the other side of the catalyst reactor is sequentially connected with a reduced-pressure methanol rectifying tower, a reduced-pressure isopropanol rectifying tower and a reduced-pressure isobutanol rectifying tower from left to right; one side of the methanol modification tank is provided with a methanol feeding pipe and a nitrogen input pipe, the other side of the methanol modification tank is provided with a naphtha feeding pipe, one end of the naphtha feeding pipe is provided with an oil pump, one side of the oil pump close to the modified alcohol and naphtha mixing tank is provided with a flowmeter, the end of a pipeline in the modified alcohol and naphtha mixing tank is provided with an oil adjusting spray head, a pressure gauge and a thermometer are arranged in parallel above the pipeline reactor, one side of the thermometer close to the catalyst reactor is provided with a pressure reducing valve, the pressure reducing methanol rectifying tower is connected with and provided with a methanol recovery tank above the catalyst reactor, the joint of the pressure reducing methanol rectifying tower and the pressure reducing isopropanol rectifying tower is provided with a first reboiler, the upper part of the pressure reducing isopropanol rectifying tower is connected with an isopropanol recovery tank, and the joint of the pressure reducing isopropanol rectifying tower and the pressure reducing isobutanol rectifying tower is provided with a second reboiler, and a residue tank is arranged at the bottom of one side of the reduced pressure isobutanol rectifying tower, which is far away from the reduced pressure isopropanol rectifying tower.
Furthermore, a plate turnover magnetic liquid level meter is arranged on one side of the methanol modification tank, the modified alcohol and naphtha mixing tank and one side of the vertical pipe type heat conduction oil preheating tank.
Further, a heat conducting oil heating pipe is arranged in the vertical pipe type heat conducting oil preheating tank and the pipeline reactor, a one-way valve is arranged in front of the pipeline reactor, and a pressure regulating valve is arranged behind the pipeline reactor.
Furthermore, one side of the modified alcohol and naphtha mixing tank is connected with a naphtha feeding pipe arranged in the methanol modification tank.
Further, the oil pump is provided with a plurality ofly, distributes in the connecting tube bottom.
Compared with the prior art, the utility model has the following beneficial effects:
1. the production device for preparing isobutanol and high-octane gasoline component oil has the advantages of low production cost, simple and easily-processed device and high efficiency, and can control the flow rate of a reactor and the pressure of a pipeline by arranging the one-way valve and the pressure regulating valve in the pipeline reactor so as to ensure the airspeed, the temperature and the pressure of a catalyst.
2. The utility model provides a production device for preparing isobutanol and high-octane gasoline component oil, inputting the methanol, nitrogen and naphtha confluent into a modified alcohol and naphtha mixing tank through an oil pump, then inputting the mixture into a vertical pipe type heat conducting oil preheating tank, preheating the mixture to a certain temperature, inputting the mixture into a pipeline reactor for gas vaporization, sending the vaporized gas into a catalyst reactor for reaction, distilling the gas by a reduced pressure methanol rectifying tower, inputting the distilled methanol into a methanol recovery tank for recovery, the rest substances enter a reduced pressure isopropanol rectifying tower through a first reboiler, rectified isopropanol is input into an isopropanol recovery tank, and the rest substances enter the reduced-pressure isobutanol rectifying tower through a second reboiler, the isobutanol at the tower top is sent into an isobutanol finished product tank through a water-cooled condenser, and the oil at the tower bottom is pumped out to a residual tank, so that the direct discharge and environmental pollution are reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the system comprises a methanol modification tank 1, a modified alcohol and naphtha mixing tank 2, a vertical pipe type heat conduction oil preheating tank 3, a pipeline reactor 4, a catalyst reactor 5, a reduced pressure methanol rectifying tower 6, a reduced pressure isopropanol rectifying tower 7, a reduced pressure isobutanol rectifying tower 8, a methanol feeding pipe 9, a nitrogen input pipe 10, a naphtha feeding pipe 11, an oil pump 12, a flowmeter 13, an oil adjusting spray head 14, a pressure gauge 15, a thermometer 16, a pressure reducing valve 17, a methanol recovery tank 18, a first reboiler 19, an isopropanol recovery tank 20, a second reboiler 21, a residual tank 22, a plate-turning magnetic liquid level meter 23 and a heat conduction oil heating pipe 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-1, a device for producing isobutanol and high-octane gasoline component oil comprises a methanol modification tank 1, wherein one side of the methanol modification tank 1 is connected with a modified alcohol and naphtha mixing tank 2, one sides of the methanol modification tank 1, the modified alcohol and naphtha mixing tank 2 and a vertical pipe type heat conduction oil preheating tank 3 are respectively provided with a flap magnetic liquid level meter 23, one side of the vertical pipe type heat conduction oil preheating tank 3 is connected with a pipeline reactor 4, a heat conduction oil heating pipe 24 is arranged in the vertical pipe type heat conduction oil preheating tank 3 and the pipeline reactor 4, a check valve is arranged in front of the pipeline reactor 4, a pressure regulating valve is arranged behind the pipeline reactor 4, the flow rate and the pipeline pressure of the reactor can be controlled to ensure the airspeed, the temperature and the pressure of a catalyst, one side of the pipeline reactor 4 is connected with a catalyst reactor 5, and the other side of the catalyst reactor 5 is sequentially connected with a pressure-reducing methanol rectifying tower 6, a pressure-reducing rectifying tower 6 and a pressure-regulating valve from left to right, A plurality of oil pumps 12 are arranged and distributed at the bottom of a connecting pipeline, one side of the oil pump 12, which is close to a modified alcohol and naphtha mixing tank 2, is provided with a flowmeter 13, the end of the pipeline in the modified alcohol and naphtha mixing tank 2 is provided with an oil adjusting spray head 14, a pressure gauge 15 and a thermometer 16 are arranged above a pipeline reactor 4 in parallel, one side of the thermometer 16, which is close to a catalyst reactor 5, is provided with a pressure reducing valve 17, the pressure reducing methanol rectifying tower 6, which is far away from the catalyst reactor 5, is connected with a methanol recovery tank 18, the joint of the pressure reducing methanol rectifying tower 6 and the pressure reducing isopropanol rectifying tower 7 is provided with a first reboiler 19, the joint of the pressure reducing isopropanol rectifying tower 7 and the pressure reducing isobutanol rectifying tower 8 is provided with a second reboiler 21, a residue tank 22 is arranged at the bottom of one side of a reduced pressure isobutanol rectifying tower 8, which is far away from a reduced pressure isopropanol rectifying tower 7, bottom oil is pumped out to the residue tank 22 to reduce direct discharge pollution to the environment, a methanol, nitrogen and naphtha confluence is input into a modified alcohol and naphtha mixing tank 2 through an oil pump 12 and then input into a vertical pipe type heat conduction oil preheating tank 3, the mixture is preheated to a certain temperature and then input into a pipeline reactor 4 for gas vaporization, the vaporized gas is sent into a catalyst reactor 5 for reaction, then the reaction is distilled through a reduced pressure methanol rectifying tower 6, the distilled methanol is input into a methanol recovery tank 18 for recovery, the rest substances enter the reduced pressure isopropanol rectifying tower 7 through a first reboiler 19, the distilled isopropanol is input into an isopropanol recovery tank 20, and the rest substances enter the reduced pressure isobutanol rectifying tower 8 through a second reboiler 21, the isobutanol at the top of the tower is fed into the isobutanol finished product tank through the water cooling condenser, and the device has the advantages of low production cost, simple and easy processing and high efficiency.
In summary, the following steps: the utility model provides a production device for preparing isobutanol and high-octane gasoline component oil, which comprises a methanol modification tank 1, wherein one side of the methanol modification tank 1 is connected with a modified alcohol and naphtha mixing tank 2, one sides of the methanol modification tank 1, the modified alcohol and naphtha mixing tank 2 and a vertical pipe type heat conduction oil preheating tank 3 are respectively provided with a flap magnetic liquid level meter 23, the vertical pipe type heat conduction oil preheating tank 3 and a pipeline reactor 4 are respectively provided with a heat conduction oil heating pipe 24, the front of the pipeline reactor 4 is provided with a one-way valve and then provided with a pressure regulating valve, the flow rate and the pipeline pressure of the reactor can be controlled to ensure the airspeed, the temperature and the pressure of a catalyst, one side of the pipeline reactor 4 is connected with a catalyst reactor 5, the other side of the catalyst reactor 5 is sequentially connected with a reduced pressure methanol rectifying tower 6, a reduced pressure isopropanol rectifying tower 7 and a reduced pressure rectifying isobutanol rectifying tower 8 from left to right, one side of a modified alcohol and naphtha mixing tank 12 is provided with a flow meter 13, the bottom oil is pumped out to a residual tank 22 to reduce the direct discharge of the polluted environment, the confluence of methanol, nitrogen and naphtha is input into a modified alcohol and naphtha mixing tank 2 through an oil pump 12, then input into a vertical pipe type heat conduction oil preheating tank 3, preheated to a certain temperature and then input into a pipeline reactor 4 for gas vaporization, the vaporized gas is sent into a catalyst reactor 5 for reaction, then distilled through a reduced pressure methanol rectifying tower 6, the distilled methanol is input into a methanol recovery tank 18 for recovery, the rest substances enter a reduced pressure isopropanol rectifying tower 7 through a first reboiler 19, the distilled isopropanol is input into an isopropanol recovery tank 20, the rest substances enter a reduced pressure isobutanol rectifying tower 8 through a second reboiler 21, the isobutanol at the top is sent into an isobutanol finished product tank through a water cooling condenser, the production cost is low, the device is simple and easy to process, high efficiency.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The production device for preparing isobutanol and high-octane gasoline component oil comprises a methanol modification tank (1) and is characterized in that: one side of the methanol modification tank (1) is connected with a modified alcohol and naphtha mixing tank (2), one side, away from the methanol modification tank (1), of the modified alcohol and naphtha mixing tank (2) is connected with a vertical pipe type heat conduction oil preheating tank (3), one side of the vertical pipe type heat conduction oil preheating tank (3) is connected with a pipeline reactor (4), one side of the pipeline reactor (4) is connected with a catalyst reactor (5), and the other side of the catalyst reactor (5) is sequentially connected with a reduced-pressure methanol rectifying tower (6), a reduced-pressure isopropanol rectifying tower (7) and a reduced-pressure isobutanol rectifying tower (8) from left to right; a methanol feeding pipe (9) and a nitrogen input pipe (10) are arranged on one side of the methanol modification tank (1), a naphtha feeding pipe (11) is arranged on the other side of the methanol modification tank (1), an oil pump (12) is arranged at one end of the naphtha feeding pipe (11), a flow meter (13) is arranged on one side, close to the modified alcohol and naphtha mixing tank (2), of the oil pump (12), an oil adjusting spray head (14) is arranged at the end of an inner pipeline of the modified alcohol and naphtha mixing tank (2), a pressure gauge (15) and a temperature gauge (16) are arranged above the pipeline reactor (4) in parallel, a pressure reducing valve (17) is arranged on one side, close to the catalyst reactor (5), of the temperature gauge (16), a methanol recovery tank (18) is connected and arranged above the catalyst reactor (5) of the pressure reducing methanol rectifying tower (6), and a first reboiler (19) is arranged at the connection position of the pressure reducing methanol rectifying tower (6) and the pressure reducing isopropanol rectifying tower (7), an isopropanol recovery tank (20) is connected and arranged above the reduced-pressure isopropanol rectifying tower (7), a second reboiler (21) is arranged at the joint of the reduced-pressure isopropanol rectifying tower (7) and the reduced-pressure isobutanol rectifying tower (8), and a residual tank (22) is arranged at the bottom of one side, far away from the reduced-pressure isopropanol rectifying tower (7), of the reduced-pressure isobutanol rectifying tower (8).
2. The apparatus for producing isobutanol and high octane gasoline component oil according to claim 1, wherein: and a flap magnetic liquid level meter (23) is arranged on one side of the methanol modification tank (1), the modified alcohol and naphtha mixing tank (2) and one side of the vertical pipe type heat conduction oil preheating tank (3).
3. The apparatus for producing isobutanol and high octane gasoline component oil according to claim 1, wherein: the vertical pipe type heat conduction oil preheating tank (3) and the pipeline reactor (4) are internally provided with heat conduction oil heating pipes (24), and the pipeline reactor (4) is provided with a one-way valve in front and a pressure regulating valve in rear.
4. The apparatus for producing isobutanol and high octane gasoline component oil according to claim 1, wherein: one side of the modified alcohol and naphtha mixing tank (2) is connected with a naphtha feeding pipe (11) arranged in the methanol modification tank (1).
5. The apparatus for producing isobutanol and high octane gasoline component oil according to claim 1, wherein: the oil pumps (12) are arranged in a plurality and distributed at the bottom of the connecting pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022737877.2U CN215559982U (en) | 2020-11-24 | 2020-11-24 | Production device for preparing isobutanol and high-octane gasoline component oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022737877.2U CN215559982U (en) | 2020-11-24 | 2020-11-24 | Production device for preparing isobutanol and high-octane gasoline component oil |
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| Publication Number | Publication Date |
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| CN215559982U true CN215559982U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022737877.2U Active CN215559982U (en) | 2020-11-24 | 2020-11-24 | Production device for preparing isobutanol and high-octane gasoline component oil |
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| CN (1) | CN215559982U (en) |
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