CN203853076U - Reaction device for preparing mixed aromatics from methanol - Google Patents
Reaction device for preparing mixed aromatics from methanol Download PDFInfo
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- CN203853076U CN203853076U CN201420176171.5U CN201420176171U CN203853076U CN 203853076 U CN203853076 U CN 203853076U CN 201420176171 U CN201420176171 U CN 201420176171U CN 203853076 U CN203853076 U CN 203853076U
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- heat
- heat exchanger
- methanol
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- gas
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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 reaction device for preparing mixed aromatics from methanol. The reaction device comprises a methanol evaporator, a reactor body, a compressor, a gas heat exchanger and a gas-liquid separator, wherein the methanol evaporator is connected to the reactor body through a pipeline; the reactor body is connected to an inlet of the gas heat exchanger through a pipeline; an outlet of the gas heat exchanger is connected to an inlet of the gas-liquid separator through a pipeline; an outlet of the gas-liquid separator is connected to an inlet of the compressor through a pipeline; an outlet of the compressor is connected to the methanol evaporator; a heating unit is arranged in the reactor body and is a heat pipe type heat exchanger. The reaction device is simple in structure, the cost is lowered, the heat energy is recovered, and heat in the reactor body can be brought out only by adopting the low-power compressor, so that the electrical energy is saved, and the service life of the compressor is prolonged.
Description
Technical field
The utility model relates to chemical reaction device technique field, particularly relates to the reaction unit of a kind of Methanol for BTX aromatics.
Background technology
Methanol for aromatic hydrocarbons process in, material benzenemethanol enters in dehydration reactor after being heated to 170～300 DEG C after preheating, vaporization, then enters in the conversion reactor of 330～450 DEG C.The reactor of high temperature is first with adopting material benzenemethanol cooling (being to carry out circulating cooling by gas heat exchanger and compressor etc.), and the equipment that then can reclaim heat energy through other, finally carries out condensation by recirculated water or air.
But in the reactor of Methanol BTX aromatics, the reaction heat that material benzenemethanol transforms is completely up to 1.6MJ/Kg.Traditional reactor is taken heat out of by circulating air, has increased the workload of compressor, needs the compressor of relatively high power just can reach the effect that reduces temperature of reactor, also makes most of heat become irretrievable used heat.In addition, some reactor is fluid bed or tubular reactor, and fluid bed or tubular reactor will significantly increase cost, and very big, the difficult quantification of technical difficulty is produced.
Utility model content
Based on this, be necessary the problem for the shortcoming of prior art, the reaction unit of a kind of Methanol for BTX aromatics is provided, this reaction unit is simple in structure, reduces costs, and reclaims heat energy, extends the service life of compressor.
A kind of Methanol is for the reaction unit of BTX aromatics, comprise methanol evaporator, reactor body, compressor, gas heat exchanger and gas-liquid separator, described methanol evaporator is connected in described reactor body by pipeline, the outlet of described reactor body is connected in the first import of described gas heat exchanger by pipeline, the first outlet of described gas heat exchanger is connected in the import of described gas-liquid separator by pipeline, the outlet of described gas-liquid separator is communicated with the second import of described gas heat exchanger by pipeline, the second outlet of described gas heat exchanger is communicated with the air inlet of described reactor body by pipeline,
In described reactor body, be provided with heat exchange unit, described heat exchange unit is heat-pipe heat exchanger; Described heat-pipe heat exchanger is connected with methanol preheater and flash vessel.
In an embodiment, described heat-pipe heat exchanger has double-layer structure therein, and described double-layer structure comprises internal layer and skin, described internal layer is feed liquor layer, described skin is heat-insulation layer, and described feed liquor layer and heat-insulation layer form an accommodating cavity, and described accommodating cavity is for accommodating material benzenemethanol.
In an embodiment, described heat-pipe heat exchanger is provided with helical form heat pipe therein, and described helical form heat pipe is for heating the material benzenemethanol in described feed liquor layer and accommodating cavity.
In an embodiment, described heat-pipe heat exchanger is one or more therein.
In an embodiment, also comprise fin therein, multiple described fins are uniformly distributed in the surface of described heat-pipe heat exchanger.
In an embodiment, the sidepiece of described reactor body is provided with an import and an outlet therein, and described import is connected in described methanol preheater by pipeline; Described outlet is connected in described flash vessel by pipeline.
In an embodiment, described methanol preheater is connected in described feed liquor layer by pipeline therein, and described flash vessel is connected in described heat-insulation layer by pipeline.
Above-mentioned a kind of Methanol is for the reaction unit of BTX aromatics, simple in structure, reasonable in design, in described reactor body, be provided with heat-pipe heat exchanger, reclaim partial heat energy in reacting body by heat-pipe heat exchanger, reduce circulating flow rate, reduced the workload of compressor.Adopt low power compressor just the heat in reactor body can be taken out of, save electric energy, reduced cost, extended the service life of compressor.
The feed liquor layer of described heat-pipe heat exchanger is communicated with methanol preheater, after material benzenemethanol preheating, enter in the heat-pipe heat exchanger of reacting body, the part heat rear section vaporization of absorption reactor thermally also enters in flash vessel by pipeline, has reduced the circulating flow rate by compressor.
Brief description of the drawings
Fig. 1 is that the Methanol of an embodiment is for the structural representation of the reaction unit of BTX aromatics.
Below the explanation of the utility model parts sign flag:
Methanol evaporator 10, reactor body 20, compressor 30, gas heat exchanger 40, gas-liquid separator 50, methanol preheater 60, flash vessel 70, heat exchange unit 80, feed liquor layer 81, heat-insulation layer 82, fin 83.
Detailed description of the invention
For further understanding feature of the present utility model, technological means and the specific purposes that reach, function, resolve advantage of the present utility model and spirit, by below in conjunction with accompanying drawing and detailed description of the invention, detailed description of the present utility model being further understood.
As shown in Figure 1, its be the Methanol of an embodiment for the structural representation of the reaction unit 100 of BTX aromatics, comprising: methanol evaporator 10, reactor body 20, compressor 30, gas heat exchanger 40 and gas-liquid separator 50.Methanol evaporator 10 is connected in the air inlet of reactor body 20 by pipeline, the gas outlet of reactor body 20 is connected in the first import of gas heat exchanger 40 by pipeline, the first outlet of gas heat exchanger 40 is connected in the import of gas-liquid separator 50 by pipeline, the outlet of gas-liquid separator 50 is connected in the import of compressor 30 by pipeline, the outlet of compressor 30 is communicated with the second import of gas heat exchanger 40 by pipeline, and the second outlet of gas heat exchanger 40 is communicated with the air inlet of reactor body 20 by pipeline.In the present embodiment, the first import of gas heat exchanger 40 and the corresponding connection of its first outlet are exported the gas of inputting from the first import of gas heat exchanger 40 after the processing of gas heat exchanger 40 by the first outlet of gas heat exchanger 40.In like manner, the second import of gas heat exchanger 40 and the corresponding connection of its second outlet are exported the gas of inputting from the second import of gas heat exchanger 40 after the processing of gas heat exchanger 40 by the second outlet of gas heat exchanger 40.
Material benzenemethanol enters in described reactor body 20 through methanol evaporator 10, enter described gas heat exchanger 40 and carry out exchange heat from the gas outlet of reactor body 20 bottoms again, then from gas heat exchanger 40, enter in described gas-liquid separator 50, finally enter in described compressor 30, compress cooling, compress cooled methyl alcohol again by entering reactor body 20 after gas heat exchanger 40, by the circulation of methanol gas, the heat part in reactor body 20 is taken out of.
In this reactor body 20, be provided with heat exchange unit 80.In the present embodiment, this heat exchange unit 80 is heat-pipe heat exchanger, and the quantity of heat exchange unit 80 can arrange as required.
Heat exchange unit 80 comprises and is positioned at the feed liquor layer 81 of internal layer and is positioned at outer field heat-insulation layer 82, the methanol gas that feed liquor layer 81 changes into after methanol evaporator 10 is processed for inputting material benzenemethanol, heat-insulation layer 82, for the heat transmission between isolated and reactor body 20, avoids excessively heat absorption to cause the temperature in reactor body 20 too low.Feed liquor layer 81 forms accommodating cavity with heat-insulation layer 82, the methanol gas that this accommodating cavity changes into after methanol evaporator 10 is processed for accommodating material benzenemethanol.
More excellent, on described heat-pipe heat exchanger, being also provided with helical form heat pipe (not shown), helical form heat pipe is used for heating feed liquor layer 81, makes the heat that helical form heat pipe is sent pass to the methanol gas in accommodating cavity (figure is mark not).The surface uniform of described heat-pipe heat exchanger is distributed with multiple fins 83, and fin 83 plays thermolysis.The size of wherein said heat-pipe heat exchanger with and the number of the fin 83 on surface can according to the caloric value in reactor body 20 number carry out accommodation, avoid excessively heat radiation to cause reactor temperature too low.
Heat-pipe heat exchanger is connected with methanol preheater 60 and flash vessel 70.Methanol preheater 60 is connected in described feed liquor layer 81 by pipeline, and flash vessel 70 is connected in described heat-insulation layer 82 by pipeline.
The sidepiece of reactor body 20 is provided with an import and an outlet.Described import is connected in described methanol preheater 60 by pipeline; Described outlet is connected in described flash vessel 70 by pipeline.
Material benzenemethanol through methanol preheater 60 enter in heat-pipe heat exchanger feed liquor layer 81 in, and enter in described accommodating cavity after heating by helical form heat pipe, then after absorption reaction hot rear section vaporization, enter in described flash vessel 70, by the partial heat energy in this circulation absorption reactor thermally body 20, reduce the workload of compressor 30.
In the time using the utility model, material benzenemethanol separates two parts and does not enter described reactor body 20 and from described methanol preheater 60 and enter in the heat-pipe heat exchanger in reactor body 20 from described methanol evaporator 10.Part material benzenemethanol enters in described reactor body 20 through methanol evaporator 10, enter described gas heat exchanger 40 and carry out exchange heat from the outlet of reactor body 20 bottoms, from gas heat exchanger 40, enter again in described gas-liquid separator 50, then enter in described compressor 30 and compress, methyl alcohol after compression by entering reactor body 20 after gas heat exchanger 40, is taken the heat part in reactor body 20 out of by circulating air again.Simultaneously, another part material benzenemethanol through methanol preheater 60 enter in heat-pipe heat exchanger feed liquor layer 81 in, and enter in accommodating cavity body after heating by helical form heat pipe, then after absorption reaction hot rear section vaporization, enter in described flash vessel 70, by the partial heat energy in this circulation absorption reactor thermally body 20, reduce the workload of compressor 30.
In sum, above-mentioned a kind of Methanol is for the reaction unit of BTX aromatics, simple in structure, reasonable in design, in described reactor body 20, be provided with heat-pipe heat exchanger, reclaim partial heat energy in reacting body by heat-pipe heat exchanger, reduce circulating flow rate, reduced the workload of compressor 30.Adopt low power compressor 30 just the heat in reactor body 20 can be taken out of, save electric energy, reduced cost, extended the service life of compressor 30.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. a Methanol is for the reaction unit of BTX aromatics, it is characterized in that, comprise methanol evaporator, reactor body, compressor, gas heat exchanger and gas-liquid separator, described methanol evaporator is connected in the air inlet of described reactor body by pipeline, the outlet of described reactor body is connected in the first import of described gas heat exchanger by pipeline, the first outlet of described gas heat exchanger is connected in the import of described gas-liquid separator by pipeline, the outlet of described gas-liquid separator is connected in the import of described compressor by pipeline, the outlet of described compressor is communicated with the second import of described gas heat exchanger by pipeline, the second outlet of described gas heat exchanger is communicated with the air inlet of described reactor body by pipeline,
In described reactor body, be provided with heat exchange unit, described heat exchange unit is heat-pipe heat exchanger; Described heat-pipe heat exchanger is connected with methanol preheater and flash vessel.
2. a kind of Methanol according to claim 1 is for the reaction unit of BTX aromatics, it is characterized in that, described heat-pipe heat exchanger has double-layer structure, described double-layer structure comprises internal layer and skin, described internal layer is feed liquor layer, described skin is heat-insulation layer, and described feed liquor layer and heat-insulation layer form an accommodating cavity, and described accommodating cavity is for accommodating material benzenemethanol.
3. a kind of Methanol according to claim 2, for the reaction unit of BTX aromatics, is characterized in that, described heat-pipe heat exchanger is provided with helical form heat pipe, and described helical form heat pipe is for heating the material benzenemethanol in described feed liquor layer and accommodating cavity.
4. a kind of Methanol according to claim 1, for the reaction unit of BTX aromatics, is characterized in that, described heat-pipe heat exchanger is one or more.
5. a kind of Methanol according to claim 1, for the reaction unit of BTX aromatics, is characterized in that, also comprises fin, and multiple described fins are uniformly distributed in the surface of described heat-pipe heat exchanger.
6. a kind of Methanol according to claim 1, for the reaction unit of BTX aromatics, is characterized in that, the sidepiece of described reactor body is provided with an import and an outlet, and described import is connected in described methanol preheater by pipeline; Described outlet is connected in described flash vessel by pipeline.
7. a kind of Methanol according to claim 2, for the reaction unit of BTX aromatics, is characterized in that, described methanol preheater is connected in described feed liquor layer by pipeline, and described flash vessel is connected in described heat-insulation layer by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176171.5U CN203853076U (en) | 2014-04-11 | 2014-04-11 | Reaction device for preparing mixed aromatics from methanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176171.5U CN203853076U (en) | 2014-04-11 | 2014-04-11 | Reaction device for preparing mixed aromatics from methanol |
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| Publication Number | Publication Date |
|---|---|
| CN203853076U true CN203853076U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420176171.5U Withdrawn - After Issue CN203853076U (en) | 2014-04-11 | 2014-04-11 | Reaction device for preparing mixed aromatics from methanol |
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| Country | Link |
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| CN (1) | CN203853076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103877920A (en) * | 2014-04-11 | 2014-06-25 | 东莞市九丰化工有限公司 | Reaction device for preparing mixed aromatics from methanol |
| CN104785172A (en) * | 2015-04-09 | 2015-07-22 | 清华大学 | Alcohol/ether-to-hydrocarbon device capable of utilizing waste heat and utilization method thereof |
-
2014
- 2014-04-11 CN CN201420176171.5U patent/CN203853076U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103877920A (en) * | 2014-04-11 | 2014-06-25 | 东莞市九丰化工有限公司 | Reaction device for preparing mixed aromatics from methanol |
| CN103877920B (en) * | 2014-04-11 | 2016-03-23 | 东莞市九丰化工有限公司 | Methanol is for the reaction unit of BTX aromatics |
| CN104785172A (en) * | 2015-04-09 | 2015-07-22 | 清华大学 | Alcohol/ether-to-hydrocarbon device capable of utilizing waste heat and utilization method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |