CN209815995U - MTBE reaction rectification device - Google Patents
MTBE reaction rectification device Download PDFInfo
- Publication number
- CN209815995U CN209815995U CN201920535063.5U CN201920535063U CN209815995U CN 209815995 U CN209815995 U CN 209815995U CN 201920535063 U CN201920535063 U CN 201920535063U CN 209815995 U CN209815995 U CN 209815995U
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- CN
- China
- Prior art keywords
- methanol
- pipe
- methanol solution
- tank body
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 title claims abstract description 31
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 23
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 abstract description 8
- 150000001768 cations Chemical class 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 239000003054 catalyst Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009835 boiling Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 238000000066 reactive distillation Methods 0.000 description 2
- 239000003254 gasoline additive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
- Y02P20/10—Process efficiency
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model provides a MTBE reaction rectifier unit, pump I pump into in the resin filter vat after the methanol solution pressurization that the inlet pipe was carried, methanol filters the particulate matter impurity through the resin filter vat under the pressure effect and gets into the purification chamber, the methanol solution after the filtration passes through the connecting pipe and carries to jar body II in, the electrothermal tube heats the methanol solution to the boiling point 64.7 ℃ of methanol, thereby methanol liquid becomes gaseous makes it get rid of metal cation, the gaseous methanol of becoming enters into inner barrel through the gas-supply pipe, become the methanol solution again after cooling water and the gaseous heat transfer of methanol. When the cooled methanol solution reaches a certain amount, the valve is opened to discharge the pure methanol solution through the discharge pipe. Particulate impurities and metal cations in the methanol solution are effectively removed, the service life of the catalyst in the MTBE reaction is prolonged, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a MTBE production facility technical field, concretely relates to MTBE reaction rectification device.
Background
MTBE (methyl tert-butyl ether) is the English abbreviation for methyl tert-butyl ether and is a high octane (research octane number 117) gasoline additive. When MTBE is produced, methanol and isobutene are used as raw materials for reaction, the service life of a catalyst in a reaction rectifying device can be seriously influenced by impurity particles and metal cations contained in the methanol, and a production line needs to be shut down for replacement after the catalyst loses activity, so that the production efficiency is influenced.
Disclosure of Invention
The utility model provides an overcome not enough of above technique, provide an improve MTBE reaction purity, improve catalyst life's MTBE reaction rectifier unit.
The utility model overcomes the technical scheme that its technical problem adopted is:
an MTBE reactive distillation apparatus comprising:
a cylindrical resin filter barrel is vertically arranged in the tank body I, and a closed purification cavity is formed between the outer wall of the resin filter barrel and the inner wall of the tank body I;
the feeding pipe is connected to the top of the resin filtering barrel and used for conveying the methanol into the resin filtering barrel, and a pump I is mounted on the feeding pipe;
the bottom of the tank body II is provided with an electric heating tube, one end of the connecting tube is connected with the bottom of the purification cavity, and the other end of the connecting tube is connected with the bottom of the tank body II;
a cylindrical inner cylinder is vertically arranged in the tank body III, a closed cooling cavity is formed between the outer wall of the inner cylinder and the inner wall of the tank body III, one end of a water inlet pipe is connected with a water outlet of the cooling tower, the other end of the water inlet pipe is connected to the upper end of the cooling cavity, one end of a water return pipe is connected with a water inlet of the cooling tower, the other end of the water return pipe is connected to the lower end of the cooling cavity, and a pump II is arranged on the water return pipe;
one end of the gas pipe is connected with the top of the tank body II, and the other end of the gas pipe is connected with the top of the inner cylinder body; and
the material discharging pipe is connected to the bottom of the inner cylinder body, and a valve is installed on the material discharging pipe.
In order to improve the heat exchange efficiency, a plurality of baffles I are arranged at the left side end of the inner wall of the inner cylinder body at intervals from top to bottom, and a plurality of baffles II are arranged at the right side end of the inner wall of the inner cylinder body at intervals from top to bottom.
The utility model has the advantages that: the pump I pressurizes the methanol solution conveyed from the feeding pipe and then pumps the methanol solution into the resin filter barrel, the methanol enters the purification cavity after being filtered to remove particulate impurities through the resin filter barrel under the action of pressure, the filtered methanol solution is conveyed into the tank body II through the connecting pipe, the electric heating pipe heats the methanol solution to the boiling point of the methanol of 64.7 ℃, the methanol liquid is changed into gas so as to remove metal cations, the methanol changed into gas enters the inner barrel through the gas conveying pipe, cooling water cooled by the cooling tower is conveyed into the cooling cavity through the water inlet pipe, the cooling water is changed into the methanol solution after heat exchange with the methanol gas, and the cooling water after heat exchange flows back to the cooling tower through the water return pipe under the action of the pump II to form circulation. When the cooled methanol solution reaches a certain amount, the valve is opened to discharge the pure methanol solution through the discharge pipe. Particulate impurities and metal cations in the methanol solution are effectively removed, the service life of the catalyst in the MTBE reaction is prolonged, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure, 1, a tank body I2, a resin filter barrel 3, a purification cavity 4, a feeding pipe 5, a pump I6, a tank body II 7, a connecting pipe 8, a gas conveying pipe 9, an electric heating pipe 10, a tank body III 11, an inner cylinder body 12, a cooling cavity 13, a water inlet pipe 14, a water return pipe 15, a pump II 16, a baffle I17, a baffle II 18, a discharging pipe 19 and a valve.
Detailed Description
The present invention will be further explained with reference to fig. 1.
An MTBE reactive distillation apparatus comprising: a cylindrical resin filter barrel 2 is vertically arranged in the tank body I1, and a closed purification cavity 3 is formed between the outer wall of the resin filter barrel 2 and the inner wall of the tank body I1; the feeding pipe 4 is connected to the top of the resin filtering barrel 2 and used for conveying the methanol into the resin filtering barrel 2, and a pump I5 is mounted on the feeding pipe 4; the bottom of the tank body II 6 is provided with an electric heating tube 9, one end of the connecting tube 7 is connected with the bottom of the purifying cavity 3, and the other end of the connecting tube is connected with the bottom of the tank body II 6; a cylindrical inner cylinder 11 is vertically arranged in the tank body III 10, a closed cooling cavity 12 is formed between the outer wall of the inner cylinder 11 and the inner wall of the tank body III 10, one end of a water inlet pipe 13 is connected with a water outlet of a cooling tower, the other end of the water inlet pipe is connected with the upper end of the cooling cavity 12, one end of a water return pipe 14 is connected with a water inlet of the cooling tower, the other end of the water return pipe is connected with the lower end of the cooling cavity 12, and a pump II 15 is arranged on the water return pipe 14; one end of the gas pipe 8 is connected with the top of the tank body II 6, and the other end of the gas pipe is connected with the top of the inner cylinder body 11; and a discharge pipe 18 connected to the bottom of the inner cylinder 11, the discharge pipe 18 having a valve 19 mounted thereon. The pump I5 pressurizes the methanol solution conveyed from the feeding pipe 4 and then pumps the methanol solution into the resin filter barrel 2, the methanol enters the purification chamber 3 after being filtered out of particulate impurities through the resin filter barrel 2 under the action of pressure, the filtered methanol solution is conveyed into the tank II 6 through the connecting pipe 7, the methanol solution is heated to the boiling point of the methanol by the electric heating pipe 9, the methanol liquid is changed into gas so that metal cations are removed, the methanol changed into the gas enters the inner barrel 11 through the gas conveying pipe 8, the cooling water cooled by the cooling tower is conveyed into the cooling chamber 12 through the water inlet pipe 13, the cooling water is changed into the methanol solution after heat exchange with the methanol gas, and the cooling water after heat exchange flows back into the cooling tower through the water return pipe 14 under the action of the pump II 15 to form circulation. When the cooled methanol solution reaches a certain amount, the valve 19 is opened to discharge the pure methanol solution through the discharge pipe 18. Particulate impurities and metal cations in the methanol solution are effectively removed, the service life of the catalyst in the MTBE reaction is prolonged, and the production efficiency is improved.
Furthermore, a plurality of baffles I16 are arranged at the left side end of the inner wall of the inner cylinder 11 at intervals from top to bottom, and a plurality of baffles II 17 are arranged at the right side end of the inner wall of the inner cylinder 11 at intervals from top to bottom. Because set up through a plurality of baffles I16 and II 17 crisscross settings of a plurality of baffles, the gaseous flow velocity that can slow down the methyl alcohol through blockking of each baffle I16 and II 17 when the methyl alcohol gas that the gas-supply pipe 8 was carried flows in barrel 11 from the top down to can make gaseous longer carry out the heat transfer with the cooling water in cooling chamber 12, thereby improve heat exchange efficiency, make the methyl alcohol gas can condense into the methyl alcohol solution smoothly.
Claims (2)
1. An MTBE reaction rectification device, which is characterized by comprising:
the tank body I (1) is internally provided with a cylindrical resin filter barrel (2) along the vertical direction, and a closed purification cavity (3) is formed between the outer wall of the resin filter barrel (2) and the inner wall of the tank body I (1);
the feeding pipe (4) is connected to the top of the resin filtering barrel (2) and used for conveying the methanol into the resin filtering barrel (2), and a pump I (5) is installed on the feeding pipe (4);
the bottom of the tank body II (6) is provided with an electric heating tube (9), one end of the connecting tube (7) is connected with the bottom of the purification cavity (3), and the other end of the connecting tube is connected with the bottom of the tank body II (6);
a cylindrical inner barrel (11) is vertically arranged in the tank body III (10), a closed cooling cavity (12) is formed between the outer wall of the inner barrel (11) and the inner wall of the tank body III (10), one end of a water inlet pipe (13) is connected with a water outlet of a cooling tower, the other end of the water inlet pipe is connected to the upper end of the cooling cavity (12), one end of a water return pipe (14) is connected with a water inlet of the cooling tower, the other end of the water return pipe is connected to the lower end of the cooling cavity (12), and a pump II (15) is arranged on the water return pipe (14);
one end of the gas pipe (8) is connected with the top of the tank body II (6), and the other end of the gas pipe is connected with the top of the inner cylinder body (11); and
and the discharge pipe (18) is connected to the bottom of the inner cylinder body (11), and a valve (19) is arranged on the discharge pipe (18).
2. The MTBE reaction rectification plant of claim 1, wherein: a plurality of baffles I (16) are arranged at the left side end of the inner wall of the inner cylinder body (11) from top to bottom at intervals, and a plurality of baffles II (17) are arranged at the right side end of the inner wall of the inner cylinder body (11) from top to bottom at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535063.5U CN209815995U (en) | 2019-04-19 | 2019-04-19 | MTBE reaction rectification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920535063.5U CN209815995U (en) | 2019-04-19 | 2019-04-19 | MTBE reaction rectification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209815995U true CN209815995U (en) | 2019-12-20 |
Family
ID=68880668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920535063.5U Active CN209815995U (en) | 2019-04-19 | 2019-04-19 | MTBE reaction rectification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209815995U (en) |
-
2019
- 2019-04-19 CN CN201920535063.5U patent/CN209815995U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240125 Granted publication date: 20191220 |
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| PP01 | Preservation of patent right |