AU2020214700A1 - Use of plate heat exchangers in combination with exothermal reactors - Google Patents
Use of plate heat exchangers in combination with exothermal reactors Download PDFInfo
- Publication number
- AU2020214700A1 AU2020214700A1 AU2020214700A AU2020214700A AU2020214700A1 AU 2020214700 A1 AU2020214700 A1 AU 2020214700A1 AU 2020214700 A AU2020214700 A AU 2020214700A AU 2020214700 A AU2020214700 A AU 2020214700A AU 2020214700 A1 AU2020214700 A1 AU 2020214700A1
- Authority
- AU
- Australia
- Prior art keywords
- reactors
- exothermal
- plate heat
- reaction
- combination
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000003786 synthesis reaction Methods 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000012824 chemical production Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0006—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the plate-like or laminated conduits being enclosed within a pressure vessel
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00176—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles outside the reactor
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00212—Plates; Jackets; Cylinders
-
- 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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
- B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
-
- 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
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00096—Plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0075—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for syngas or cracked gas cooling systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
In a process for performing one or more exothermal reactions, a plate heat exchanger is used as feed/effluent exchanger in connection with two or more reactors, which are operating in parallel. The reactors perform the exothermal reaction (s) at a pressure above 30 bar abs.
Description
Title: Use of plate heat exchangers in combination with exothermal reactors
The present invention relates to the use of a plate heat exchanger as feed/effluent heat exchanger in multiple reactor systems.
Plate heat exchangers are generally formed by an elongate impervious chamber and a bundle of plates arranged in the chamber and providing therewith a free space. The plate bundle consists of a stack of mutually parallel plates that provide between them a double circuit for the flow of two independent and generally counter-current fluids. A plate heat exchanger is a compact, cost efficient heat exchanger solution which is used whenever the process conditions can allow it. High pressure, above 10-20 bar, and a heavy fouling feed stream represent typical
limitations for the use of plate heat exchangers in the industry.
Many exothermal reaction systems include use of one or more feed/effluent exchangers E as shown in the appended figure. The principle is that cold feed gas (1) is heated by the outlet gas (2) from the reactor (s) R. The absolute pressure in such a feed/effluent exchanger can be high, i.e. up to several hundred bars, but the pressure difference is limited to the pressure drop in the reactor system, which
can be kept below 20 bar, preferably below 10 bar. This allows for use of a plate heat exchanger as feed/effluent exchanger, provided that it is installed in a pressure shell that can withstand the high absolute pressure.
Regarding prior art, US 9.120.068 describes a chemical isothermal reactor with an internal plate heat exchanger having heat exchange radial plates and radial ducts parallel to sides of the plates for distributing and collecting a heat exchange fluid. A part of the radial ducts has a smaller cross section near the inner converging ends .
WO 2007/096699 describes a multiple reactor chemical production system, where multiple reactors in a common pressure shell one by one are connected to multiple plate type feed/effluent exchangers in a common pressure shell.
In EP 3 401 299 A1 , a reactor for conducting exothermic equilibrium reactions, especially for methanol synthesis by heterogeneously catalyzed conversion of synthesis gas, is described. The reactor enables re-adjustment and hence optimization of the reaction conditions along the
longitudinal coordinate of the reactor. It is divided into a multitude of series-connected reaction cells, each of which comprising a pre-heating zone, a cooled reaction zone, one or more cooling zones and a deposition zone for condensable reaction products. This way, the reaction conditions are adjustable to the respective local
composition of the reaction mixture and variable over the reactor length.
A comparison of one standard shell-and-tube type heat exchanger with a plate heat exchanger in a pressure shell results in an advantage for the shell-and-tube type. For large capacity reactor systems, where two or more reactors operating in parallel are connected to two or more
feed/effluent exchangers of shell-and-tube type, it has however been found that these exchangers can be replaced by a single plate heat exchanger in a pressure shell, which results in a considerable cost saving.
Thus, the present invention relates to a process for performing one or more exothermal reactions, wherein a plate heat exchanger is used as feed/effluent exchanger in connection with two or more reactors, which are operating in parallel performing exothermal reaction (s) at a pressure above 30 bar abs .
The reactors are preferably boiling water reactors, quench type reactors, adiabatic reactors or any combination of these reactors working in series.
In the process according to the invention, the primary reaction in the reactors is preferably a conversion of synthesis gas to methanol or ammonia or dimethyl ether (DME) or any other exothermal reaction.
In one aspect, this invention provides a process of
(a) using a plate heat exchanger as feed/effluent
exchanger in connection with two or more reactors operating in parallel and performing one or more exothermal reaction (s) at a pressure above 30 bar abs,
(b) wherein the reactors in (a) are boiling water reactors or quench type reactors or adiabatic reactors or any combination of these working in series, (c) and wherein the primary reaction in the reactors
(a) and (b) is a conversion of synthesis gas to methanol or ammonia or dimethyl ether (DME) or any other exothermal reaction. The invention is described in more detail in the example which follows.
Example
For a large scale methanol plant producing 5000 MT methanol per day, requiring 3 boiling water reactors in parallel, the standard use of 3 shell-and-tube feed/effluent heat exchangers has been compared with the use of only one plate heat exchanger installed in a pressure shell. The cost reduction by doing so was more than 25%.
Claims (3)
1. A process for performing one or more exothermal reactions, wherein a plate heat exchanger is used as feed/effluent exchanger in connection with two or more reactors, which are operating in parallel performing the exothermal reaction (s) at a pressure above 30 bar abs .
2. Process according to claim 1, wherein the
reactors are boiling water reactors, quench type reactors, adiabatic reactors or any combination of these reactors working in series.
3. Process according to claim 1 or 2, wherein the primary reaction in the reactors is a conversion of synthesis gas to methanol or ammonia or dimethyl ether (DME) or any other exothermal reaction.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA201900151 | 2019-02-01 | ||
| DKPA201900151 | 2019-02-01 | ||
| PCT/EP2020/051905 WO2020156994A1 (en) | 2019-02-01 | 2020-01-27 | Use of plate heat exchangers in combination with exothermal reactors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2020214700A1 true AU2020214700A1 (en) | 2021-06-10 |
Family
ID=71839950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2020214700A Pending AU2020214700A1 (en) | 2019-02-01 | 2020-01-27 | Use of plate heat exchangers in combination with exothermal reactors |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN113226536A (en) |
| AR (1) | AR117912A1 (en) |
| AU (1) | AU2020214700A1 (en) |
| WO (1) | WO2020156994A1 (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6180846B1 (en) * | 1998-09-08 | 2001-01-30 | Uop Llc | Process and apparatus using plate arrangement for combustive reactant heating |
| EP1310475A1 (en) * | 2001-11-11 | 2003-05-14 | Methanol Casale S.A. | Process and plant for the heterogeneous synthesis of chemical compounds |
| DE10344283A1 (en) * | 2003-09-24 | 2005-04-21 | Basf Ag | Process for controlling the reactor inlet temperature during methylamine production |
| EP2626129A1 (en) | 2005-09-23 | 2013-08-14 | Heatric | Multiple reactor chemical production system |
| DE102007024379A1 (en) * | 2007-05-23 | 2008-11-27 | Mingatec Gmbh | Plate apparatus for heat transfer operations |
| EP2090355A1 (en) | 2008-02-18 | 2009-08-19 | Methanol Casale S.A. | Isothermal chemical reactor with plate heat exchanger |
| CN101514134B (en) * | 2008-02-23 | 2012-08-22 | 中国石化集团洛阳石油化工工程公司 | Method for adjusting feed temperature in reaction of transforming compound containing oxygen into olefin |
| DE102009033661A1 (en) * | 2009-07-17 | 2011-01-20 | Bayer Technology Services Gmbh | Heat exchanger module and heat exchanger in a compact design |
| US9751072B2 (en) * | 2014-03-18 | 2017-09-05 | Quanta, Associates, L.P. | Treatment of heavy crude oil and diluent |
| EP3334704B1 (en) * | 2015-08-12 | 2023-06-07 | Topsoe A/S | A novel process for methanol production from low quality synthesis gas |
| CN105399604B (en) * | 2015-10-12 | 2018-12-04 | 上海国际化建工程咨询公司 | A kind of energy-saving ultra-large methane synthesizing method and device producing different brackets steam |
| GB201600794D0 (en) * | 2016-01-15 | 2016-03-02 | Johnson Matthey Davy Technologies Ltd | Methanol process |
| KR102286147B1 (en) * | 2016-03-30 | 2021-08-09 | 할도르 토프쉐 에이/에스 | Methanol Synthesis Process Layout for Mass Production Capacity |
| EP3401299B1 (en) | 2017-05-12 | 2021-11-03 | L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude | Reactor for carrying out exothermic equilibrium reactions |
-
2020
- 2020-01-27 AU AU2020214700A patent/AU2020214700A1/en active Pending
- 2020-01-27 CN CN202080007296.3A patent/CN113226536A/en active Pending
- 2020-01-27 WO PCT/EP2020/051905 patent/WO2020156994A1/en active Application Filing
- 2020-01-29 AR ARP200100229A patent/AR117912A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020156994A1 (en) | 2020-08-06 |
| CN113226536A (en) | 2021-08-06 |
| AR117912A1 (en) | 2021-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10465990B2 (en) | Nested-flow heat exchangers and chemical reactors | |
| EP2448899B1 (en) | Process to prepare olefins from aliphatic alcohols | |
| US20100307726A1 (en) | Multi-Stage Multi-Tube Shell-and-Tube Reactor | |
| US20150265992A1 (en) | Reactor and process for dehydration of ethanol to ethylene | |
| CN101927142B (en) | Tube nest type fixed bed reactor system | |
| CN103553864A (en) | Method for preparing butadiene through multi-stage oxidative dehydrogenation of butene | |
| AU2020214700A1 (en) | Use of plate heat exchangers in combination with exothermal reactors | |
| WO2018206155A1 (en) | Process for conducting exothermic equilibrium reactions | |
| AU707917B2 (en) | Heat exchange catalytic reactor | |
| CN203976664U (en) | A kind of system for impure low-carbon alkene alkylated reaction | |
| EP0703202A1 (en) | A process for producing ethylbenzene | |
| US20130178674A1 (en) | Reactor and process for dehydration of ethanol to ethylene | |
| KR100931187B1 (en) | Reaction yield improvement and waste heat recovery increase method in styrene monomer manufacturing process | |
| RU2688858C2 (en) | Apparatus and method for carrying out heterogeneous catalytic gas-phase reactions | |
| KR102575930B1 (en) | Process and apparatus for ethanol dehydration | |
| CN114459263B (en) | Heat exchanger, butene oxidative dehydrogenation device and method for preparing butadiene by butene oxidative dehydrogenation | |
| RU2787160C2 (en) | Method for conducting exothermic equilibrium reactions | |
| CN115991631A (en) | Method for producing hydrogenated terphenyl, reaction system, multi-section composite reactor and hydrogenated terphenyl obtained by same | |
| RU2588617C1 (en) | Method for exothermic and endothermic catalytic processes for partial conversion of hydrocarbons and reactor set therefor | |
| CN112588206A (en) | Horizontal multi-process plate type reaction equipment for large-scale DMO reaction | |
| Partenie et al. | Design and control of integrated styrene-aniline production plant |