BR112015009968A2 - sistemas resfriadores de gás de reciclagem para processos de polimerização em fase gasosa - Google Patents

sistemas resfriadores de gás de reciclagem para processos de polimerização em fase gasosa

Info

Publication number
BR112015009968A2
BR112015009968A2 BR112015009968A BR112015009968A BR112015009968A2 BR 112015009968 A2 BR112015009968 A2 BR 112015009968A2 BR 112015009968 A BR112015009968 A BR 112015009968A BR 112015009968 A BR112015009968 A BR 112015009968A BR 112015009968 A2 BR112015009968 A2 BR 112015009968A2
Authority
BR
Brazil
Prior art keywords
polymerization processes
gas phase
phase polymerization
heat exchanger
gas
Prior art date
Application number
BR112015009968A
Other languages
English (en)
Inventor
David Hussein F
L Swecker Ii James
J Dietsche Laura
W Blood Mark
Cai Ping
Original Assignee
Univation Tech Llc
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 Univation Tech Llc filed Critical Univation Tech Llc
Publication of BR112015009968A2 publication Critical patent/BR112015009968A2/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F28F9/0256—Arrangements for coupling connectors with flow lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

resumo patente de invenção: "sistemas resfriadores de gás de reciclagem para fase gasosa de processos de polimerização". são descritas neste documento melhoras em sistemas resfriadores de gás de reciclagem em processos de polimerização em fase gasosa que reduzem a tendência para incrustação do resfriador, incluindo um sistema resfriador de gás de reciclagem que compreende um trocador de calor de carcaça e tubo. um ou mais tubos do trocador de calor de carcaça e tubo podem ter uma entrada de tubo alargada na placa de tubo. o trocador de calor de carcaça e tubo pode estar acoplado a um tubo de entrada reto que tem um comprimento que é pelo menos aproximadamente 5 vezes um diâmetro interno do tubo de entrada reto ou, pelo menos, aproximadamente 4,57 metros (15 pés), o que for maior.
BR112015009968A 2012-11-12 2013-11-11 sistemas resfriadores de gás de reciclagem para processos de polimerização em fase gasosa BR112015009968A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261725119P 2012-11-12 2012-11-12
PCT/US2013/069420 WO2014074981A1 (en) 2012-11-12 2013-11-11 Recycle gas cooler systems for gas-phase polymerization processes

Publications (1)

Publication Number Publication Date
BR112015009968A2 true BR112015009968A2 (pt) 2017-07-11

Family

ID=49622919

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015009968A BR112015009968A2 (pt) 2012-11-12 2013-11-11 sistemas resfriadores de gás de reciclagem para processos de polimerização em fase gasosa

Country Status (6)

Country Link
US (1) US9410001B2 (pt)
EP (1) EP2917677A1 (pt)
CN (1) CN104781628B (pt)
BR (1) BR112015009968A2 (pt)
IN (1) IN2015DN03103A (pt)
WO (1) WO2014074981A1 (pt)

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RU2659395C9 (ru) * 2015-06-15 2018-08-30 Базелл Полиолефин Гмбх Установка полимеризации с параллельными охлаждающими каналами и рециркуляционной схемой соединения
US10457753B2 (en) 2016-10-14 2019-10-29 Chevron Phillips Chemical Company Lp Elimination of polymer fouling in fluidized bed gas-phase fines recovery eductors
US11027253B2 (en) 2019-09-26 2021-06-08 Chevron Phillips Chemical Company Lp Systems and methods for reducing heat exchanger fouling rate
WO2021167761A1 (en) * 2020-02-21 2021-08-26 Exxonmobil Chemical Patents Inc. Systems for cooling recycled off-gas in low-density polyethylene production
US11618793B2 (en) 2020-08-27 2023-04-04 Exxonmobil Chemical Patents Inc. Optimized inert gas partial pressure in a gas phase polymerization process
US11492422B2 (en) 2020-11-19 2022-11-08 Exxonmobil Chemical Patents Inc. Olefin polymerization processes
WO2023056573A1 (en) * 2021-10-06 2023-04-13 W. R. Grace & Co.-Conn Gas-phase process for making polypropylene random copolymers

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Also Published As

Publication number Publication date
CN104781628A (zh) 2015-07-15
EP2917677A1 (en) 2015-09-16
CN104781628B (zh) 2017-07-07
IN2015DN03103A (pt) 2015-10-02
US9410001B2 (en) 2016-08-09
US20150284481A1 (en) 2015-10-08
WO2014074981A1 (en) 2014-05-15

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO ARQUIVAMENTO PUBLICADO NA RPI 2488 DE 11/09/2018.