WO2011128335A4 - Method for heating up or keeping warm the flow paths of a process plant - Google Patents

Method for heating up or keeping warm the flow paths of a process plant Download PDF

Info

Publication number
WO2011128335A4
WO2011128335A4 PCT/EP2011/055715 EP2011055715W WO2011128335A4 WO 2011128335 A4 WO2011128335 A4 WO 2011128335A4 EP 2011055715 W EP2011055715 W EP 2011055715W WO 2011128335 A4 WO2011128335 A4 WO 2011128335A4
Authority
WO
WIPO (PCT)
Prior art keywords
heating
fluid
supplied
jet pump
flow
Prior art date
Application number
PCT/EP2011/055715
Other languages
German (de)
French (fr)
Other versions
WO2011128335A1 (en
Inventor
Johannes Menzel
Eberhard Kuske
Original Assignee
Uhde Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Uhde Gmbh filed Critical Uhde Gmbh
Priority to CA2795301A priority Critical patent/CA2795301A1/en
Priority to US13/635,441 priority patent/US20130153177A1/en
Priority to RU2012148286/05A priority patent/RU2012148286A/en
Priority to CN201180019184.0A priority patent/CN102869440B/en
Priority to EP11714535A priority patent/EP2558193A1/en
Priority to KR1020127029703A priority patent/KR20130051448A/en
Priority to AU2011240101A priority patent/AU2011240101A1/en
Priority to BR112012025966A priority patent/BR112012025966A2/en
Publication of WO2011128335A1 publication Critical patent/WO2011128335A1/en
Publication of WO2011128335A4 publication Critical patent/WO2011128335A4/en

Links

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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0285—Heating or cooling 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
    • 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
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • 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
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • 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
    • B01J2208/00026—Controlling or regulating the heat exchange system
    • B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2208/00044—Temperature measurement
    • B01J2208/00053—Temperature measurement of the heat exchange medium
    • 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
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • B01J2219/0006—Temperature measurement of the heat exchange medium
    • 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
    • B01J2219/00191—Control algorithm
    • B01J2219/00193—Sensing a parameter
    • B01J2219/00204—Sensing a parameter of the heat exchange system
    • 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
    • B01J2219/00191—Control algorithm
    • B01J2219/00222—Control algorithm taking actions
    • B01J2219/00227—Control algorithm taking actions modifying the operating conditions
    • B01J2219/00238—Control algorithm taking actions modifying the operating conditions of the heat exchange system
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/08—Fluid driving means, e.g. pumps, fans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Pipeline Systems (AREA)

Abstract

The invention relates to a method for heating up or keeping warm the flow paths of a process plant, wherein a stream of fluid provided for heating up or keeping warm the flow paths is guided in a circuit which comprises a heating device (8) for warming up the stream of fluid. According to the invention, to equalize the pressure loss occurring in the circuit, the stream of fluid is supplied as a suction medium to a jet pump (5) arranged in the circuit and is exposed there to a pumping medium supplied at a higher pressure.

Claims

GEÄNDERTE ANSPRÜCHE beim Internationalen Büro eingegangen am 18. Oktober 201 1 (18.10.201 1) AMENDED CLAIMS received by the International Bureau on 18 October 201 1 (18.10.201 1)
1. Verfahren zum Aufheizen oder Warmhalten der Strömungswege einer zur katalytischen Umwandlung von Bestandteilen eines Prozessflulds vorgesehenen Prozessanlage außerhalb des Prozessbetriebs, bei welchem Prozess- betrieb das Prozessfluid in die Anlage einströmt und dort einer katalytischen Umwandlung unterzogen wird, wobei außerhalb des Prozessbetriebes anstelle des Prozessfluids ein zum Aufheizen oder Warmhalten der Strömungswege vorgesehener Fluidstrom In einem Kreislauf geführt wird, welcher eine Heizeinrichtung (8) zum Aufwärmen des Fluidstroms enthält, d a d u r c h g e k e n n z e i c h n e t, dass der Fluidstrom zum Ausgleich des in dem Kreislauf auftretenden Druckverlustes einer in dem Kreislauf angeordneten Strahlpumpe (5) als Saugmedium zugeführt und dort mit einem bei einem höheren Druck zugeführten Treibmedium beaufschlagt wird. A method of heating or maintaining the flow paths of a process plant provided for the catalytic conversion of constituents of a process fluid outside the process operation, in which process operation the process fluid flows into the plant and is subjected to a catalytic conversion, wherein outside the process operation instead of the process fluid For heating or keeping the flow paths provided fluid flow is conducted in a circuit which includes a heater (8) for heating the fluid flow, characterized in that the fluid flow to compensate for the occurring in the circuit pressure loss of a arranged in the circuit jet pump (5) as a suction medium supplied and there is acted upon by a supplied at a higher pressure driving medium.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass die Strömungswege der Prozessanlage zumindest einen Apparat mit einer Schüttung von Festkörpern enthalten. 2. The method according to claim 1, characterized in that the flow paths of the process plant contain at least one apparatus with a bed of solids.
3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Druck innerhalb des gesamten Kreislaufs größer als 5 bar, vorzugsweise größer als3. The method according to claim 1 or 2, characterized in that the pressure within the entire circuit greater than 5 bar, preferably greater than
10 bar, besonders bevorzugt größer als 20 bar ist. 10 bar, more preferably greater than 20 bar.
4, Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Mengenstrom des zum Aufheizen oder Warmhalten der Strömungswege vorgesehenen Fluidstroms weniger als 15% eines Nennmengenstroms betragt, für den die Prozessanlage bei Vollauslastung in einem Normalbetrieb ausgelegt ist. 4, Method according to one of claims 1 to 3, characterized in that the flow rate of the intended for heating or keeping the flow paths fluid flow amounts to less than 15% of a nominal flow rate for which the process plant is designed at full capacity in a normal operation.
5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Strahlpumpe (5) als Treibmedium ein Inertgas, vorzugsweise Stickstoff oder Kohlendioxid, zugeführt wird. 5. The method according to any one of claims 1 to 4, characterized in that the jet pump (5) as the driving medium, an inert gas, preferably nitrogen or carbon dioxide, is supplied.
6. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Strahlpumpe (5) als Treibmedium ein gasförmige Bestandteile und Wasserdampf enthaltendes Fluid zugeführt wird. 6. The method according to any one of claims 1 to 4, characterized in that the jet pump (5) is supplied as a driving medium, a gaseous components and water vapor-containing fluid.
7. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Strahlpumpe (5) als Treibmedium Wasserdampf zugeführt wird, 7. The method according to any one of claims 1 to 4, characterized in that the jet pump (5) is supplied as driving medium water vapor,
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass vor der Rückführung des Fluidstroms zu der Strahlpumpe (5) Wasser aus dem Fiuidstrom auskondensiert und abgezogen wird, wobei die aus dem Fiuidstrom auskonden- sierte Wassermenge mit der Wassermenge Übereinstimmt, die als Wasserdampf der Strahlpumpe (5) als Treibmedium zugeführt wird. 8. The method according to claim 7, characterized in that prior to the return of the fluid flow to the jet pump (5) condensed water from the Fiuidstrom and is withdrawn, wherein the auskonden- sated from the Fiuidstrom amount of water with the amount of water that matches as water vapor of the jet pump (5) is supplied as a driving medium.
9. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass eine Teilmenge des in dem Kreislauf geführten Fluids ausgeschleust wird. 9. The method according to any one of claims 1 to 7, characterized in that a subset of the guided in the circulation fluid is discharged.
10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass der Mengenstrom der ausgeschleusten Teilmenge dem Mengenstrom des zugeführten Treibmediums entspricht. 10. The method according to claim 9, characterized in that the flow rate of the discharged subset corresponds to the flow rate of the supplied propellant medium.
11. Verfahren nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass die ausgeschleuste Teilmenge des Fluids zur Wärmerückgewinnung über einen Wärmetauscher (10) geführt wird, wobei mit der zurückgewonnenen Wärme das Treibmedium vorgewärmt wird, 11. The method according to claim 9 or 10, characterized in that the discharged subset of the fluid for heat recovery via a heat exchanger (10) is guided, wherein the recuperated heat, the blowing medium is preheated,
12, Verfahren nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass als Heizeinrichtung (8) zum Aufwärmen des Fluidstroms ein Wärmetauscher eingesetzt wird, der mit einem Heizmedium beaufschlagt ist. 12, Method according to one of claims 1 to 11, characterized in that as a heating device (8) for heating the fluid flow, a heat exchanger is used, which is acted upon by a heating medium.
13. Verfahren nach einem der Ansprüche 1 bis 11 , dadurch gekennzeichnet, dass als Heizeinrichtung zum Aufwärmen des Fluidstroms ein elektrisch betriebenes Heizelement eingesetzt wird. 13. The method according to any one of claims 1 to 11, characterized in that is used as the heating means for heating the fluid flow, an electrically operated heating element.
14. Verfahren nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass das Treibmedium in einem Druckbehälter (7) bereit gehalten wird. 14. The method according to any one of claims 1 to 13, characterized in that the driving medium in a pressure vessel (7) is kept ready.
15. Verfahren nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass die Prozessanlage zumindest zwei Komponenten (2a, 2b) aufweist und dass in Strömungsrichtung gesehen hinter der Strahlpumpe (5) eine Regelmittel enthaltende Verzweigung vorgesehen ist, die eine variable Aufteilung des Fluidstroms auf die erste Komponente (2a) und die zweite Komponente (2b) ermöglicht. 15. The method according to any one of claims 1 to 14, characterized in that the process plant has at least two components (2a, 2b) and that seen in the flow direction downstream of the jet pump (5) containing a control means branch is provided, the variable distribution of the fluid flow to the first component (2a) and the second component (2b).
PCT/EP2011/055715 2010-04-14 2011-04-12 Method for heating up or keeping warm the flow paths of a process plant WO2011128335A1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA2795301A CA2795301A1 (en) 2010-04-14 2011-04-12 Method of heating or keeping warm process-plant flow passages
US13/635,441 US20130153177A1 (en) 2010-04-14 2011-04-12 Method for heating up or keeping warm the flow paths of a process plant
RU2012148286/05A RU2012148286A (en) 2010-04-14 2011-04-12 METHOD FOR HEATING OR MAINTENANCE OF HEAT OF FLOW CHANNELS OF TECHNOLOGICAL INSTALLATION
CN201180019184.0A CN102869440B (en) 2010-04-14 2011-04-12 For heating or the method for flow path of insulating process equipment
EP11714535A EP2558193A1 (en) 2010-04-14 2011-04-12 Method for heating up or keeping warm the flow paths of a process plant
KR1020127029703A KR20130051448A (en) 2010-04-14 2011-04-12 Method of heating or keeping warm process-plant flow passages
AU2011240101A AU2011240101A1 (en) 2010-04-14 2011-04-12 Method for heating up or keeping warm the flow paths of a process plant
BR112012025966A BR112012025966A2 (en) 2010-04-14 2011-04-12 METHOD FOR HEATING OR KEEPING WARM THE DRAIN PATHS OF A PROCESS INSTALLATION

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010014992A DE102010014992A1 (en) 2010-04-14 2010-04-14 Method for heating or keeping warm the flow paths of a process plant
DE102010014992.6 2010-04-14

Publications (2)

Publication Number Publication Date
WO2011128335A1 WO2011128335A1 (en) 2011-10-20
WO2011128335A4 true WO2011128335A4 (en) 2012-01-19

Family

ID=44343641

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/055715 WO2011128335A1 (en) 2010-04-14 2011-04-12 Method for heating up or keeping warm the flow paths of a process plant

Country Status (11)

Country Link
US (1) US20130153177A1 (en)
EP (1) EP2558193A1 (en)
KR (1) KR20130051448A (en)
CN (1) CN102869440B (en)
AU (1) AU2011240101A1 (en)
BR (1) BR112012025966A2 (en)
CA (1) CA2795301A1 (en)
DE (1) DE102010014992A1 (en)
RU (1) RU2012148286A (en)
TW (1) TW201200237A (en)
WO (1) WO2011128335A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010009081A1 (en) * 2010-02-24 2011-08-25 Helmut Bälz GmbH, 74076 Heat generator group with jet pump control
DE102017116125B4 (en) * 2017-07-18 2019-02-07 Varioplast Konrad Däbritz GmbH A heater, peripheral device and method of controlling such a peripheral device

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Also Published As

Publication number Publication date
AU2011240101A1 (en) 2012-11-01
DE102010014992A1 (en) 2011-10-20
TW201200237A (en) 2012-01-01
RU2012148286A (en) 2014-05-20
WO2011128335A1 (en) 2011-10-20
CA2795301A1 (en) 2011-10-20
EP2558193A1 (en) 2013-02-20
US20130153177A1 (en) 2013-06-20
CN102869440A (en) 2013-01-09
BR112012025966A2 (en) 2017-10-03
KR20130051448A (en) 2013-05-20
CN102869440B (en) 2015-11-25

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