CN203976675U - A kind of MTBE catalytic distillation device - Google Patents
A kind of MTBE catalytic distillation device Download PDFInfo
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- CN203976675U CN203976675U CN201420368856.XU CN201420368856U CN203976675U CN 203976675 U CN203976675 U CN 203976675U CN 201420368856 U CN201420368856 U CN 201420368856U CN 203976675 U CN203976675 U CN 203976675U
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- mtbe
- rectifying tower
- reboiler
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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
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses a kind of MTBE catalytic distillation device, comprise first channel, second passage and third channel, described first channel comprises the feed preheater, catalytic rectifying tower, the water cooler that are communicated with successively.Return tank and reflux pump, described reflux pump is provided with the first return line and relief outlet, described the first return line is communicated with the top of described catalytic rectifying tower, described feed preheater is interchanger, described second passage comprises reboiler and sulfide aftercooler, the import of described reboiler is communicated with the bottom of described catalytic rectifying tower, an outlet of described reboiler is communicated with the sidewall bottom of described catalytic rectifying tower, another outlet of described reboiler is communicated with described sulfide water cooler, described third channel comprises the second return line being communicated with successively, feed preheater and product aftercooler, described the second return line is also communicated with the middle and lower part of described catalytic rectifying tower.The MTBE catalytic distillation device that the utility model provides can reduce energy consumption.
Description
Technical field
The utility model relates to catalytic rectification process field, relates in particular to a kind of MTBE catalytic distillation device.
Background technology
The English full name of MTBE is methyl tert-butyl ether, Chinese is methyl tertiary butyl ether, MTBE is that a kind of stop bracket gasoline adds component, also be a kind of industrial chemicals of producing high-purity iso-butylene, in raw material due to MTBE production, contain element sulphur, therefore MTBE contains certain element sulphur mostly.
Because home and abroad environment impact requirement is more and more stricter, also more and more stricter to vehicle gasoline and sulfur content in vehicle gasoline requirement, from state four standard 50PPm to state five standard 10PPm, the main ingredient that MTBE adds as gasoline also requires sulphur content lower than 10PPm.
Falling sulphur for MTBE product has several method, and desulfurization before the first reduces the feed sulphur content of producing MTBE product, the method technical process complexity, and facility investment is high.Another is that MTBE product enters a separation column again, sulfur-bearing heavy constituent is separated, and shortcoming is MTBE product becomes MTBE intermediates through liquefaction, then enters new separation column and separate, again experience the process of gasification in liquefaction at new tower, increased energy consumption.
Therefore, how providing a kind of MTBE catalytic distillation device, to reduce energy consumption, is current those skilled in the art technical problems urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of MTBE catalytic distillation device, to reduce energy consumption.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of MTBE catalytic distillation device, comprise first channel, second passage and third channel, described first channel comprises the feed preheater being communicated with successively, catalytic rectifying tower, water cooler, return tank and reflux pump, described reflux pump is provided with the first return line and relief outlet, described the first return line is communicated with the top of described catalytic rectifying tower, described feed preheater is interchanger, described second passage comprises reboiler and sulfide aftercooler, the import of described reboiler is communicated with the bottom of described catalytic rectifying tower, an outlet of described reboiler is communicated with the sidewall bottom of described catalytic rectifying tower, another outlet of described reboiler is communicated with described sulfide water cooler, described third channel comprises the second return line being communicated with successively, feed preheater and product aftercooler, described the second return line is also communicated with the middle and lower part of described catalytic rectifying tower.
Preferably, above-mentioned water cooler is air cooler.
Preferably, above-mentioned water cooler comprises housing, air intlet, air vout, finned-tube bundle, light pipe and sprinkler head, described finned-tube bundle is communicated with described light pipe, described finned-tube bundle is positioned at the top of described enclosure interior, described light pipe is positioned at the below of described enclosure interior, described sprinkler head is arranged between described finned tube art and described light pipe, and medium enters from described finned-tube bundle, flows out from described light pipe.
Preferably, above-mentioned water cooler is provided with Wind cooling device.
Preferably, above-mentioned Wind cooling device is arranged on the top of described air cooler.
Preferably, on above-mentioned Wind cooling device, be provided with RHVC.
The MTBE catalytic distillation device that the utility model provides, comprises first channel, second passage and third channel, and described first channel comprises the feed preheater, catalytic rectifying tower, the water cooler that are communicated with successively.Return tank and reflux pump, described reflux pump is provided with the first return line and relief outlet, described the first return line is communicated with the top of described catalytic rectifying tower, described feed preheater is interchanger, described second passage comprises reboiler and sulfide aftercooler, the import of described reboiler is communicated with the bottom of described catalytic rectifying tower, an outlet of described reboiler is communicated with the sidewall bottom of described catalytic rectifying tower, another outlet of described reboiler is communicated with described sulfide water cooler, described third channel comprises the second return line being communicated with successively, feed preheater and product aftercooler, described the second return line is also communicated with the middle and lower part of described catalytic rectifying tower.
When use, the material that MTBE methyltertiarvbutyl ether reactor from a upper operation comes, first enter feed preheater and carry out preheating, feed preheater is interchanger, the required heat of preheating is provided by the MTBE product in the second return line in second passage, then enter catalytic rectifying tower, in tower, realize catalytic distillation, realize separating of MTBE product and sulfide simultaneously, afterwards, part MTBE product introduction is arranged in the water cooler of tower top, after condensing cooling, enter and in return tank, realize gas-liquid fractionation, through reflux pump, a part of MTBE product is discharged by relief outlet as finished product again, another part MTBE product uses as refluxing, simultaneously, part MTBE product flows out from the middle and lower part of catalytic rectifying tower by the second return line, enter after feed preheater heat exchange, after product aftercooler is cooling, discharge, material at the bottom of the tower of catalytic rectifying tower provides heat through reboiler for full tower, the higher sulfide of a part of sulfur-bearing enters cooling rear discharge in sulfide water cooler simultaneously.
The MTBE catalytic distillation device that the utility model provides, can realize catalytic distillation effect, realize again the MTBE product of abrasive and separating of sulfide, and complete in a catalytic rectifying tower, compare with desulfurization after desulfurization before MTBE product of the prior art and MTBE product, there is flow process short, less investment, the feature that energy consumption is low, can production sulphur content lower than the MTBE product of 10Ppm, wherein, catalytic rectifying tower is key equipment and gordian technique place, this tower is improved on original catalytic distillation tower foundation, enter scene 2 by traditional one, changing one into enters three and goes out, both realized conventional catalytic distillation effect, realize again separating of abrasive MTBE product and sulfide, thereby reduce energy consumption.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the MTBE catalytic distillation device that Fig. 1 provides for the utility model embodiment.
In upper Fig. 1:
Feed preheater 1, catalytic rectifying tower 2, water cooler 3, return tank 4 and reflux pump 5, product aftercooler 6, reboiler 7, sulfide water cooler 8.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, the structural representation of the MTBE catalytic distillation device that Fig. 1 provides for the utility model embodiment.
The MTBE catalytic distillation device that the utility model embodiment provides, comprise first channel, second passage and third channel, first channel comprises the feed preheater 1 being communicated with successively, catalytic rectifying tower 2, water cooler 3, return tank 4 and reflux pump 5, reflux pump 5 is provided with the first return line and relief outlet, the first return line is communicated with the top of catalytic rectifying tower 2, feed preheater 1 is interchanger, second passage comprises reboiler 7 and sulfide aftercooler 8, the import of reboiler 7 is communicated with the bottom of catalytic rectifying tower 2, an outlet of reboiler 7 is communicated with the sidewall bottom of catalytic rectifying tower 2, another outlet of reboiler 7 is communicated with sulfide water cooler 8, third channel comprises the second return line being communicated with successively, feed preheater 1 and product aftercooler 6, the second return line is also communicated with the middle and lower part of catalytic rectifying tower 2.
When use, the material that MTBE methyltertiarvbutyl ether reactor from a upper operation comes, first enter feed preheater 1 and carry out preheating, feed preheater 1 is interchanger, the required heat of preheating is provided by the MTBE product in the second return line in second passage, then enter catalytic rectifying tower 2, in tower, realize catalytic distillation, realize separating of MTBE product and sulfide simultaneously, afterwards, part MTBE product introduction is arranged in the water cooler 3 of tower top, after condensing cooling, enter and in return tank 4, realize gas-liquid fractionation, through reflux pump 5, a part of MTBE product is discharged by relief outlet as finished product again, another part MTBE product uses as refluxing, simultaneously, part MTBE product flows out from the middle and lower part of catalytic rectifying tower 2 by the second return line, enter after feed preheater 1 heat exchange, after product aftercooler is cooling, discharge, material at the bottom of the tower of catalytic rectifying tower 2 provides heat through reboiler 7 for full tower, the higher sulfide of a part of sulfur-bearing enters cooling rear discharge in sulfide water cooler 8 simultaneously.
The MTBE catalytic distillation device that the utility model embodiment provides, can realize catalytic distillation effect, realize again the MTBE product of abrasive and separating of sulfide, and complete in a catalytic rectifying tower 2, compare with desulfurization after desulfurization before MTBE product of the prior art and MTBE product, there is flow process short, less investment, the feature that energy consumption is low, can production sulphur content lower than the MTBE product of 10Ppm, wherein, catalytic rectifying tower 2 is key equipment and gordian technique place, this tower is improved on original catalytic distillation tower foundation, enter scene 2 by traditional one, changing one into enters three and goes out, both realized conventional catalytic distillation effect, realize again separating of abrasive MTBE product and sulfide, thereby reduce energy consumption.
In order further to optimize such scheme, water cooler 3 is air cooler, adopts air cooling, has further reduced energy consumption.
In order further to optimize such scheme, water cooler 3 comprises housing, air intlet, air vout, finned-tube bundle, light pipe and sprinkler head, finned-tube bundle is communicated with light pipe, finned-tube bundle is positioned at the top of enclosure interior, light pipe is positioned at the below of enclosure interior, sprinkler head is arranged between finned tube art and light pipe, medium enters from finned-tube bundle, flow out from light pipe, air intlet is arranged on the below of housing, air vout is arranged on the top of housing, air is to enter from top and get rid of from bottom, there are so several benefits, the one, light pipe outside, bottom is less scaling, even if fouling is also easily processed, the 2nd, on light pipe, water gasifies, medium heat in a large amount of absorption tubes of gasification latent heat, simultaneously because wet-bulb temperature determines that this place's temperature is lower, thereby make to manage interior medium condensation cooling, can omit aftercooler, the 3rd, the water vapour after gasification enters upper fins tube bank with air, restrain interior medium desuperheating, the heat-obtaining function of maximum using water vapour like this, reduce air consumption, so in order to improve air cooling effect, when water cooler is provided with Wind cooling device, can reduce the electrisity consumption of Wind cooling device, further reduce energy consumption.
In order further to optimize such scheme, Wind cooling device is arranged on the top of air cooler 3, and Wind cooling device is induced air type windmill, avoids other devices of Wind cooling device impact and air cooler same level height.
In order further to optimize such scheme, on Wind cooling device, be provided with RHVC, realize the temperature adjusting of cooling condensation, and further reduced energy consumption.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a MTBE catalytic distillation device, is characterized in that, comprises first channel, second passage and third channel,
Described first channel comprises the feed preheater, catalytic rectifying tower, water cooler, return tank and the reflux pump that are communicated with successively, described reflux pump is provided with the first return line and relief outlet, described the first return line is communicated with the top of described catalytic rectifying tower, and described feed preheater is interchanger
Described second passage comprises reboiler and sulfide aftercooler, the import of described reboiler is communicated with the bottom of described catalytic rectifying tower, an outlet of described reboiler is communicated with the sidewall bottom of described catalytic rectifying tower, another outlet of described reboiler is communicated with described sulfide water cooler, described third channel comprises the second return line, feed preheater and the product aftercooler that are communicated with successively, and described the second return line is also communicated with the middle and lower part of described catalytic rectifying tower.
2. MTBE catalytic distillation device according to claim 1, is characterized in that, described water cooler is air cooler.
3. MTBE catalytic distillation device according to claim 2, it is characterized in that, described water cooler comprises housing, air intlet, air vout, finned-tube bundle, light pipe and sprinkler head, described finned-tube bundle is communicated with described light pipe, described finned-tube bundle is positioned at the top of described enclosure interior, described light pipe is positioned at the below of described enclosure interior, described sprinkler head is arranged between described finned tube art and described light pipe, medium enters from described finned-tube bundle, flow out from described light pipe, described air intlet is arranged on the below of described housing, described air vout is arranged on the top of described housing.
4. MTBE catalytic distillation device according to claim 2, is characterized in that, described water cooler is provided with Wind cooling device.
5. MTBE catalytic distillation device according to claim 4, is characterized in that, described Wind cooling device is arranged on the top of described air cooler.
6. MTBE catalytic distillation device according to claim 4, is characterized in that, on described Wind cooling device, is provided with RHVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368856.XU CN203976675U (en) | 2014-07-04 | 2014-07-04 | A kind of MTBE catalytic distillation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368856.XU CN203976675U (en) | 2014-07-04 | 2014-07-04 | A kind of MTBE catalytic distillation device |
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| Publication Number | Publication Date |
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| CN203976675U true CN203976675U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368856.XU Expired - Fee Related CN203976675U (en) | 2014-07-04 | 2014-07-04 | A kind of MTBE catalytic distillation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678678A (en) * | 2019-01-28 | 2019-04-26 | 安庆市泰发能源科技有限公司 | MTBE desulfurization purifying plant |
-
2014
- 2014-07-04 CN CN201420368856.XU patent/CN203976675U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678678A (en) * | 2019-01-28 | 2019-04-26 | 安庆市泰发能源科技有限公司 | MTBE desulfurization purifying plant |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20190704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |