CN108273453A - A kind of hydroformylation synthesizer reaction heat taking method - Google Patents
A kind of hydroformylation synthesizer reaction heat taking method Download PDFInfo
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- CN108273453A CN108273453A CN201711213918.4A CN201711213918A CN108273453A CN 108273453 A CN108273453 A CN 108273453A CN 201711213918 A CN201711213918 A CN 201711213918A CN 108273453 A CN108273453 A CN 108273453A
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- heat
- hydroformylation
- synthesis reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
- C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00081—Tubes
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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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- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
The invention discloses a kind of hydrogen low pressure formylated synthesis reactor heat taking methods more particularly to a kind of outer circulation that is safe, energy saving, can easily be accommodated to take thermal, takes hot systems and heat taking method.Described includes 1#, 2# hydroformylation synthesis reactor, 1# hydroformylations into reaction cooler, 1# hydroformylation reactions circulating pump, desalination sink, desalination water-circulating pump, desalination water cooler etc. and mating pipe-line system.The method 1# reactor thermal discharges are big, and heat, good cooling results are taken using outer circulation water；2# reactors take heat using internal coil, and stable enclosed desalination water cooling system is established in coil pipe, is not influenced by factors such as cooling water, environment temperatures, realize the stabilization of temperature of reactor, and then realize the stabilization of reactor pressure；Independent cooling system will not damage expensive antigravity system in the case where equipment (heat exchanger) is revealed, and will not be impacted to process system；Coolant temperature is low, good cooling results, and institute's palpus outer circulation flow is small, and outer circulation pump, outer circulation cooler and the investment of corresponding pipe-line construction used is less；Control effect is apparent, controls simple and stable.
Description
Technical field：
The invention belongs to a kind of low pressure hydroformylation synthesis reactor heat taking methods more particularly to a kind of safe, energy saving, easy
Thermal is taken in the outer circulation of adjusting, takes hot systems and heat taking method.
Background technology：
Hydroformylation reaction is alkene with carbon monoxide and hydrogen under the action of catalyst, is added simultaneously on olefinic double bonds
Hydrogen atom and formoxyl generate the reaction process of two kinds of iso-aldehydes of a carbon atom more than original alkene.
Hydroformylation reaction is strong exothermal reaction, and reaction heat is about 125kJ/mol, and the removal of heat is extremely in reaction process
It closes important.Industrial hydroformylation building-up process is carried out in the continuous tank reactor of two stainless steels, and reaction heat moves
Except generally use following manner：1# reactors take heat by external circulating system, using recirculated water；2# inside reactor coil pipes use
1# reactors reaction solution after cooling takes heat；After material is cooling outside reactor, it is recycled to formylated synthesis reactor coil pipe
In.
In hydroformylation synthetic reaction operating process, the temperature that most frequent parameter is both two reactors is adjusted, is stablized
Reaction temperature is not only advantageous to improving product quality, but also can protect the activity of expensive catalyst, and temperature, which crosses high energy, makes rhodium
Catalyst structure, higher make permanent catalyst deactivation.It takes hot mode to take thermal effect not so good above, consumes a large amount of recirculated water,
And entire antigravity system can be destroyed by heat exchanger leakage occur, and device loss is larger.
Invention content：
For the above-mentioned prior art the problem of, is reacted in 2# formylateds synthesis reactor internal coil using 1#
Device cooling reaction solution take hot mode on the basis of, increase the desalination water cooling system of a set of autonomous closure, system 2# reactions
Device internal coil absorbing reaction heat, using heat is taken in enclosed desalination water cooling system, takes thermal effect good, easy to operation, Ke Yishi
The flexible modulation of existing 2# temperature of reactor, and then realize the stabilization of entire reaction system and the qualification of product quality and stablize.
A kind of technical solution of hydroformylation synthesis reactor heat taking method is as follows：
1# hydroformylation synthesis reactor takes heat, the outer circulation of reactor cold into a cycle using outer circulation recirculated water
But in the heat exchanger of water cooling, the reactor kettle liquid part after cooling water temperature takes heat returns in reactor, protects simultaneously
It stays a part to enter in 2# reactor coil pipes, switches when preventing enclosed desalination water cooling system from breaking down using cooling reaction
Liquid；
2# hydroformylations synthesis reactor using autonomous closure desalination water cooling system：By reactor inner coil pipe
The desalted water of heating enters in desalted water storage tank, and the higher desalted water of desalination pump autospasy in future salt solution reservoir temperature is sent to desalination
In water cooler, cooling is carried out to hot desalinized water using recirculated water and takes heat, the desalted water after cooling enters 2# inside reactor disks
The reaction heat that 2# reactors generate is absorbed in pipe, the desalted water after heat absorption enters in desalted water storage tank, into next cycle.
Beneficial effects of the present invention：
1,1# reactors thermal discharge is big, and heat, good cooling results are taken using outer circulation water.
2,2# reactors take heat using internal coil, and stable enclosed desalination water cooling system is established in coil pipe, is not cooled
But the influence of the factors such as water, environment temperature realizes the stabilization of temperature of reactor, and then realizes the stabilization of reactor pressure；And
Desalted water operating pressure is low, and in 0.5Mpa or so, power power consumption is low.
3, independent cooling system desalted water in the case where equipment (heat exchanger) is revealed will not damage antigravity system, because
Solvent is adopted water as antigravity system, process system will not be impacted.
4, coolant temperature is low, good cooling results, institute must outer circulation flow it is small, the outer circulation pump that uses, outer circulation are cold
But device and the investment of corresponding pipe-line construction are less.
5, control effect is apparent, controls simple and stable.
Description of the drawings
A kind of hydroformylation synthesis reactor heat taking method process flow charts of Fig. 1
It is specific to implement
Using alkene and carbon monoxide, hydrogen as raw material, under water-soluble catalyst effect, in pressure 2.8-3.0MPa and
At 80 DEG C -110 DEG C of temperature, alkene carries out reacting life in two concatenated formylated synthesis reactor with carbon monoxide and hydrogen
At mixed aldehyde, reaction process releases a large amount of heat, reaction heat about 125KJ/mol：The reaction of 1# hydroformylation synthesis reactor
Solution, which enters by recirculated water cool down in 1# cooler of reactor using circulating pump, takes heat to be down to 60 DEG C from 110 DEG C, passes through
Cooling water temperature takes the reaction solution part after heat to return in 1# hydroformylation synthesis reactor, and another part enters 2# hydrogen first
In acylated synthesis reactor coil pipe, cooling is carried out to the heat that 2# hydroformylation synthesis reactor generates and takes heat；
The 20% of the heat that 2# hydroformylation synthesis reactor reaction process is released about W-response heat uses independent envelope
Desalination water cooling system is closed to carry out taking heat, detailed process as follows：By reactor inner coil pipe heating about 80 DEG C of desalted water into
Enter in desalted water storage tank, the higher desalted water of desalination pump autospasy in future salt solution reservoir temperature is sent in desalination water cooler, profit
Carrying out cooling to hot desalinized water with recirculated water takes heat, temperature to be down to 50 DEG C, and the desalted water after cooling enters 2# inside reactor disks
The reaction heat that 2# reactors generate is absorbed in pipe, the desalted water after heat absorption enters in desalted water storage tank, into next cycle.
1. a kind of hydroformylation synthesis reactor heat taking method, which is characterized in that 1# formylated synthesis reactor is using outer
Portion's cooler recirculated water takes heat.
2. a kind of hydroformylation synthesis reactor heat taking method, which is characterized in that 2# formylated synthesis reactor is using solely
Vertical closing desalination water cooling system carries out taking heat.
3. a kind of hydroformylation synthesis reactor heat taking method, which is characterized in that the cooling of 1# formylated synthesis reactor is anti-
Product is answered to be divided into two-way：A part returns in 1# formylated synthesis reactor, and another part enters 2# formylated synthesis reactor
In coil pipe.
4. a kind of hydroformylation synthesis reactor heat taking method, which is characterized in that external independent closing desalination water cooling
System, using 316L stainless steels, because reaction solution corrosivity is stronger.
5. a kind of hydroformylation synthesis reactor heat taking method, including 1#, 2# hydroformylation synthesis reactor, 1# hydrogen first
Acylation reaction cooler, 1# hydroformylation reactions circulating pump, desalination sink, desalination water-circulating pump, desalination water cooler etc. and
Mating pipe-line system.
Claims (6)
1. a kind of low pressure hydroformylation synthesis reactor heat taking method more particularly to it is a kind of it is safe, energy saving, can easily be accommodated it is outer
Cycle takes thermal, takes hot systems and heat taking method, it is characterised in that 2# hydroformylation reaction device internal coils are absorbed heat, outside coil pipe
Stable enclosed desalination water cooling system is established, realizes the removal of a large amount of reaction heat, and then realize the stabilization of reaction pressure.
2. a kind of low pressure hydroformylation synthetic reaction heat taking method according to claim 1, characterized in that 1# hydroformylations
Synthesis reactor uses external cooling system, and heat is taken using recirculated water.
3. a kind of low pressure hydroformylation synthesis reactor heat taking method according to claim 1, characterized in that 2# formylateds
Synthesis reactor carries out taking heat using independent closing desalination water cooling system.
4. a kind of low pressure hydroformylation synthesis reactor heat taking method according to claim 1, characterized in that 1# formylateds
Synthesis reactor cooling reaction product is divided into two-way：A part returns in 1# hydroformylation synthesis reactor, and another part enters
In 2# hydroformylation synthesis reactor.
5. a kind of low pressure hydroformylation synthesis reactor heat taking method according to claim 1, characterized in that external independent
Closing desalination water cooling system, reaction solution corrosivity is stronger, using 316L stainless steels.
6. a kind of low pressure hydroformylation synthesis reactor heat taking method according to claim 1, including 1#, 2# formyl chemical combination
At reactor, hydroformylation reaction cooler, hydroformylation reaction circulating pump, desalination sink, desalination water-circulating pump, desalination water cooling
But device etc. and mating pipe-line system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711213918.4A CN108273453B (en) | 2017-11-28 | 2017-11-28 | Reaction heat taking method of hydroformylation synthesizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711213918.4A CN108273453B (en) | 2017-11-28 | 2017-11-28 | Reaction heat taking method of hydroformylation synthesizer |
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| CN108273453A true CN108273453A (en) | 2018-07-13 |
| CN108273453B CN108273453B (en) | 2021-09-14 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3868422A (en) * | 1971-12-23 | 1975-02-25 | Eastman Kodak Co | Multistage hydroformylation process |
| CN101337904A (en) * | 2008-08-15 | 2009-01-07 | 河南骏化发展股份有限公司 | Synthesis of DMF and device |
| CN101575272A (en) * | 2009-06-16 | 2009-11-11 | 南京荣欣化工有限公司 | Process for continuously producing corresponding aldehyde by alkene hydroformylation reaction |
| CN102826970A (en) * | 2011-06-17 | 2012-12-19 | 中国石油化工股份有限公司 | Two-stage reaction method and device of hydroformylation of low-carbon alkene |
| CN103172502A (en) * | 2011-12-20 | 2013-06-26 | 陶氏技术投资有限责任公司 | A hydroformylation process |
-
2017
- 2017-11-28 CN CN201711213918.4A patent/CN108273453B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3868422A (en) * | 1971-12-23 | 1975-02-25 | Eastman Kodak Co | Multistage hydroformylation process |
| CN101337904A (en) * | 2008-08-15 | 2009-01-07 | 河南骏化发展股份有限公司 | Synthesis of DMF and device |
| CN101575272A (en) * | 2009-06-16 | 2009-11-11 | 南京荣欣化工有限公司 | Process for continuously producing corresponding aldehyde by alkene hydroformylation reaction |
| CN102826970A (en) * | 2011-06-17 | 2012-12-19 | 中国石油化工股份有限公司 | Two-stage reaction method and device of hydroformylation of low-carbon alkene |
| CN103172502A (en) * | 2011-12-20 | 2013-06-26 | 陶氏技术投资有限责任公司 | A hydroformylation process |
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| CN108273453B (en) | 2021-09-14 |
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