CN212128026U - Liquid sodium methoxide manufacturing system - Google Patents
Liquid sodium methoxide manufacturing system Download PDFInfo
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- CN212128026U CN212128026U CN201921849733.7U CN201921849733U CN212128026U CN 212128026 U CN212128026 U CN 212128026U CN 201921849733 U CN201921849733 U CN 201921849733U CN 212128026 U CN212128026 U CN 212128026U
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- methanol
- liquid
- methyl alcohol
- heat exchanger
- sodium
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Abstract
The utility model discloses a liquid sodium methoxide manufacturing system relates to methyl alcohol manufacturing process, solves prior art's process flow and does not carry out the technical problem who retrieves heat energy. Including methyl alcohol liquid storage equipment, methyl alcohol evaporimeter and methyl alcohol and sodium hybrid module, the methyl alcohol liquid warp in the storage equipment the methyl alcohol evaporimeter carries to methyl alcohol and sodium hybrid module methyl alcohol liquid storage equipment with install at least one indirect heating equipment between the methyl alcohol evaporimeter, methyl alcohol and sodium hybrid module's discharge product carry extremely indirect heating equipment can heat the methyl alcohol solution. The utility model discloses be used for perfecting methyl alcohol manufacturing process, satisfy people to the energy-concerving and environment-protective demand of sodium methoxide production.
Description
Technical Field
The utility model belongs to the technical field of sodium methoxide manufacturing process, especially, liquid sodium methoxide manufacturing system.
Background
The sodium methoxide is prepared by mixing solid sodium hydroxide and methanol according to a certain proportion, stirring and dissolving the mixture, then settling and clarifying the mixture to remove solid impurities, pumping clear liquid into the top of a reaction dehydration tower by using a pump, adding refined methanol steam into the tower from the bottom of the tower for continuous reaction and dehydration, obtaining a product from the bottom of the tower, taking out hydrous methanol steam from the top of the tower, and then refining the hydrous methanol steam in a rectification system, wherein the anhydrous methanol is returned for use. The process in the prior art directly discharges waste products, and wastes a large amount of heat energy.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
The application provides a liquid sodium methoxide manufacturing system solves the technical problem that prior art's process flow does not retrieve heat energy. The technical scheme of the scheme has a plurality of technical effects, which are shown below.
The utility model provides a liquid sodium methoxide manufacturing system, methanol liquid storage device, methanol evaporator and methanol and sodium hybrid module, methanol liquid warp in the storage device the methanol evaporator carries to methanol and sodium hybrid module methanol liquid storage device with install at least one indirect heating equipment between the methanol evaporator, methanol and sodium hybrid module's discharge product carry extremely indirect heating equipment can heat the methanol solution.
In a preferred or alternative embodiment, the heat exchange device is a heat exchanger.
In a preferred or alternative embodiment, the heat exchanger comprises a first heat exchanger and a second heat exchanger which are communicated with each other, and the methanol liquid in the methanol liquid storage device is heated by the heat exchanger and then is conveyed to the methanol evaporator.
In a preferred or alternative embodiment, the first heat exchanger can be in communication with a reaction column comprised by the methanol and sodium mixing assembly, the bottom stream of the reaction column being capable of heating the methanol liquid.
In a preferred or alternative embodiment, the methanol and sodium mixing assembly further comprises a reboiler and a caustic heater in communication with each other, the second heat exchanger being capable of communicating with the reboiler and the caustic heater waste outlet.
In a preferred or alternative embodiment, the second heat exchanger is further connected with an automatic condensed water pump, and the hot gas exhausted by the methanol and sodium mixing assembly is conveyed to the automatic condensed water pump.
The technical beneficial effects of the present case:
at least one heat exchange device is arranged between the methanol liquid storage device and the methanol evaporator, and the discharged product of the methanol and sodium mixing component is conveyed to the heat exchange device to heat the methanol solution, so that the heat energy used for evaporation of the evaporator is reduced, and the energy consumption of the whole process system is greatly saved.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a liquid sodium methoxide production system according to the present invention;
fig. 2 is an installation diagram of the liquid sodium methoxide production system of the present invention.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
Referring to the liquid sodium methoxide production system shown in fig. 1 and 2, a methanol liquid storage device 1, a methanol evaporator 4 and a methanol and sodium mixing component belong to subsequent synthesis process equipment, and the methanol and sodium mixing component comprises a reboiler, a reaction tower, an alkali liquor heater, a methanol evaporator and the like. The methanol manufacturing process equipment uses the prior art, the scheme only improves the available heat energy of the process flow, and heats the methanol solution before entering the evaporator, thereby reducing the energy consumption of the methanol evaporator.
The methanol liquid in the methanol liquid storage device 1 is evaporated by the methanol evaporator 4 and then is conveyed to the methanol and sodium mixing assembly, at least one heat exchange device is arranged between the methanol liquid storage device 1 and the methanol evaporator 4, the discharged product of the methanol and sodium mixing assembly is conveyed to the heat exchange device, the methanol solution can be heated, the heat energy used by the evaporation of the evaporator is reduced, and the energy consumption of the whole process system is greatly saved.
CH3OH + NaOH-CH 3ONa + H2O sodium methoxide synthesis chemical reaction formula.
As an alternative embodiment, the heat exchange device is a heat exchanger. The heat exchanger comprises a first heat exchanger 2 and a second heat exchanger 3 which are communicated with each other, and methanol liquid in the methanol liquid storage device 1 is heated by the first heat exchanger 2 and the second heat exchanger 3 and then is conveyed to a methanol evaporator 4.
Further, the first heat exchanger 2 can be communicated with a reaction tower which is included in the methanol and sodium mixing assembly, and the tower bottom liquid of the reaction tower can heat the methanol liquid. The temperature of the bottom liquid of the reaction tower is 100-110 degrees, the direct discharging mode is adopted in the prior art, the bottom liquid of the reaction tower is conveyed to the first heat exchanger 2, the temperature of the methanol liquid can be improved, and the energy consumption of the evaporator 4 is further reduced.
Further, methyl alcohol and sodium mixed component still include reboiler, reaction tower and the alkali lye heater of intercommunication each other, and second heat exchanger 3 can be linked together with reboiler and alkali lye heater exhaust outlet, further heats methyl alcohol liquid, further improves the temperature of carrying to 4 methyl alcohol liquid of methyl alcohol evaporimeter to reduce the power consumption of methyl alcohol evaporimeter 4.
As an optional implementation, the second heat exchanger 3 is further connected to an automatic condensed water pump 5, and steam or compressed air of the system is used as a power source for the automatic condensed water pump 5 to operate, for example, the used steam of the methanol evaporator is partially conveyed to the automatic condensed water pump 5, and is used as a power source for the automatic condensed water pump to operate, so that electric energy is avoided, the system is suitable for an explosion-proof environment of a liquid sodium methoxide device, the production safety factor is improved, and the conveyance of methanol liquid in the methanol evaporator is accelerated.
The overall thought of the scheme is as follows: the bottom liquid of the reaction tower and/or the discharges of the methanol evaporator and/or the reboiler and/or the alkali liquor heater are used for heating the methanol liquid before being conveyed to the methanol evaporator, so that the energy consumption of the thickening evaporator can be greatly reduced, and the energy conservation and the environmental protection are realized.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (6)
1. A liquid sodium methoxide manufacturing system, methanol liquid storage equipment, a methanol evaporator and a methanol and sodium mixing component, wherein the methanol liquid in the storage equipment is conveyed to the methanol and sodium mixing component through the methanol evaporator, which is characterized in that,
at least one heat exchange device is installed between the methanol liquid storage device and the methanol evaporator, and a discharged product of the methanol and sodium mixing component is conveyed to the heat exchange device to heat a methanol solution.
2. The liquid sodium methoxide manufacturing system according to claim 1, wherein said heat exchange equipment is a heat exchanger.
3. The liquid sodium methoxide manufacturing system according to claim 2, wherein the heat exchanger includes a first heat exchanger and a second heat exchanger which are communicated with each other, and the methanol liquid in the methanol liquid storage device is heated by the heat exchanger and then is transported to the methanol evaporator.
4. The system for producing liquid sodium methoxide according to claim 3, wherein said first heat exchanger is capable of communicating with a reaction tower included in said methanol-sodium mixture module, and wherein a bottom liquid of said reaction tower is capable of heating a liquid of methanol.
5. The liquid sodium methoxide manufacturing system according to claim 4, wherein said methanol and sodium mixing assembly further comprises a reboiler and a lye heater in communication with each other, said second heat exchanger being capable of communicating with the reboiler and with said lye heater waste outlet.
6. The system for manufacturing liquid sodium methoxide of claim 5, wherein an automatic condensed water pump is further connected to said second heat exchanger, and hot gas exhausted from said methanol-sodium mixing module is delivered to said automatic condensed water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849733.7U CN212128026U (en) | 2019-10-31 | 2019-10-31 | Liquid sodium methoxide manufacturing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849733.7U CN212128026U (en) | 2019-10-31 | 2019-10-31 | Liquid sodium methoxide manufacturing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212128026U true CN212128026U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921849733.7U Active CN212128026U (en) | 2019-10-31 | 2019-10-31 | Liquid sodium methoxide manufacturing system |
Country Status (1)
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| CN (1) | CN212128026U (en) |
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2019
- 2019-10-31 CN CN201921849733.7U patent/CN212128026U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Qiang Inventor before: Li Qiang Inventor before: Qiu Yalong Inventor before: Wang Tao |
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| CB03 | Change of inventor or designer information |