[특허]Method of preheating hydrocarbons for thermal cracking

Method of preheating hydrocarbons for thermal cracking 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10G-009/14 C10G-009/36
출원번호	US-0103294 (1979-12-13)
우선권정보	DE-2854061 (1978-12-14)
발명자 / 주소	Gengler Hans (Munich DEX) Schwab Wolfgang (Wolfratshausen PA DEX) Wall Fraser (Warrington PA) Bailey Thomas (Yeadon PA)
출원인 / 주소	Linde Aktiengesellschaft (Wiesbaden PA DEX 03) Selas Corporation of America (Dresher PA 02)
인용정보	피인용 횟수 : 79 인용 특허 : 0

초록 ▼

A cracking furnace has a radiant heating zone provided with fuel-fired burners and through which a preheated feedstock is passed, combustion gases from the radiant heating zone passing into a convection zone before being discharged from said furnace. The convection zone is provided with heat-exchanger means for preheating said feedstock. The heat-exchanger means in the convection zone is subdivided into a plurality of functionally separated heat-exchanger bundles and the feedstock is passed selectively through the bundles in accordance with the composition of the feedstock.

대표청구항 ▼

In a method of operating a cracking furnace suitable for the cracking of different hydrocarbon feedstocks in the presence of steam to produce ethylene, said cracking furnace having a radiant heating zone provided with fuel-fired burners and through which a preheated mixture of said hydrocarbon feedstock and said steam is passed, combustion gases from said radiant heating zone passing into a convection zone being provided with heat exchanger means for preheating said feedstock and said steam, the improvement which comprises selecting different operation states for the cracking furnace by the steps of: subdividing the heat exchanger means in said convection zone into a plurality of functionally separated heat exchanger bundles; passing said hydrocarbon feedstock selectively through a first bundle or a first series of bundles of the heat exchanger means; passing said steam separately from said hydrocarbon feedstock selectively through a second bundle or a second series of bundles of the heat exchanger means; mixing said preheated hydrocarbon feedstock and said preheated steam before conducting the mixture into said radiant zone of said cracking furnace; and selectively choosing the bundles for preheating of said hydrocarbon feedstock and said steam in accordance with the composition of said hydrocarbon feedstock.

이 특허를 인용한 특허 (79)

Stell,Richard C.; McCoy,James N., Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking.
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Stell,Richard C.; McCoy,James N., Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking.
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Watanabe Yoji (Oita JPX) Morimura Toshio (Kawaguchi JPX) Toyoda Yukio (Oita JPX), Apparatus for thermal cracking of or heating of hydrocarbons.
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Glomb, Stefan; Stegemann, Robert; Schmidt, Gunther, Convection zone of a cracking furnace.
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Stell,Richard C.; Bancroft,Jennifer L.; Dinicolantonio,Arthur R.; Stephens,George, Converting mist flow to annular flow in thermal cracking application.
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Stell, Richard C.; Stephens, George; Bancroft, Jennifer L.; Messinger, John R., Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel.
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Stell,Richard C.; Stephens,George; Bancroft,Jennifer L.; Messinger,John R., Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel.
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Stell,Richard C.; Stephens,George; Bancroft,Jennifer L.; Messinger,John R., Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel.
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He, Xiou; Liu, Jingkun; Li, Changli; Shen, Hainu; Guo, Yuping; Shao, Chen, Ethylene cracking furnace.
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He, Xiou; Liu, Jingkun; Li, Changli; Shen, Hainu; Guo, Yuping; Shao, Chen, Ethylene cracking furnace.
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Maslov, Boris A., Gradual oxidation and multiple flow paths.
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Lampe, Steve; Hamrin, Douglas, Gradual oxidation with heat control.
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Armstrong, Jeffrey; Maslov, Boris A., Gradual oxidation with heat transfer.
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Hamrin, Douglas; Martin, Richard; Armstrong, Jeffrey, Gradual oxidation with heat transfer.
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Schnepel, Mark, Gradual oxidation with reciprocating engine.
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Schnepel, Mark; Maslov, Boris A., Gradual oxidation with reciprocating engine.
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Prabhu, Edan, Heating a reaction chamber.
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Martin, Richard; Armstrong, Jeffrey; Hamrin, Douglas, Hybrid gradual oxidation.
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Huang, He, In-situ continuous coke deposit removal by catalytic steam gasification.
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Prabhu, Edan, Managing leaks in a gas turbine system.
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Cruijsberg,Emil Eduard Antonius; Van Westrenen,Jeroen, Method for the preparation of lower olefines by steam cracking.
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Schn Christian O. (Rmerstrasse 1 D-7590 Achern 18 DEX), Method of treating waste oil.
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Hamrin, Douglas; Lampe, Steve, Multi-combustor turbine.
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Prabhu, Edan, Oxidizing fuel.
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Prabhu, Edan, Oxidizing fuel in multiple operating modes.
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Prabhu, Edan, Oxidizing fuel in multiple operating modes.
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Stell, Richard C.; Balinsky, George J.; McCoy, James N.; Keusenkothen, Paul F., Process and apparatus for cracking hydrocarbon feedstock containing resid.
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Stell, Richard C.; Balinsky, George J.; McCoy, James N.; Keusenkothen, Paul F., Process and apparatus for cracking hydrocarbon feedstock containing resid.
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Stell,Richard C.; Balinsky,George J.; McCoy,James N.; Keusenkothen,Paul F., Process and apparatus for cracking hydrocarbon feedstock containing resid.
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Stell, Richard C.; Bancroft, Jennifer L.; Dinicolantonio, Arthur R.; Annamalai, Subramanian; McCoy, James N.; Keusenkothen, Paul F.; Stephens, George; Messinger, John R.; Frye, James Mitchell; Vidonic, Nick G.; Balinsky, George J., Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield from vapor/liquid separation.
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Stell,Richard C.; Bancroft,Jennifer L.; DiNicolantonio,Arthur R.; Annamalai,Subramanian; McCoy,James N.; Keusenkothen,Paul F.; Stephens,George; Messinger,John R.; Frye,James Mitchell; Vidonic,Nick G., Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield from vapor/liquid separation.
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Stell, Richard C.; Di Nicolantonio, Arthur R.; Frye, James M.; Annamalai, Subramanian; Vidonic, Nicholas G., Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids.
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Stell,Richard C.; Di Nicolantonio,Arthur R.; Frye,James M.; Annamalai,Subramanian; Vidonic,Nicholas G., Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids.
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Stell, Richard C.; Annamalai, Subramanian; Frye, James M., Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace.
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Stell,Richard C.; Annamalai,Subramanian; Frye,James M., Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace.
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Overwater, Jacobus Arie Schilleman; Van Der Eijk, Johannes Pieter, Process for cracking a hydrocarbon feedstock comprising a heavy tail.
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Spicer,David B.; Dinicolantonio,Arthur R.; Frye,James Mitchell; Stell,Richard C., Process for cracking hydrocarbon feed with water substitution.
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Stell, Richard C.; Vidonic, Nicholas G., Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks.
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Stell,Richard C.; Vidonic,Nicholas G., Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks.
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Stell,Richard C.; Vidonic,Nicholas G., Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks.
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Siskin, Michael; Kelemen, Simon Robert, Process for reducing fouling in coking processes.
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Siskin, Michael; Kelemen, Simon Robert, Process for reducing fouling in refinery processes.
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Stell,Richard C., Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks.
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Stell,Richard C., Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks.
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Stell,Richard C., Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks.
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McCoy, James N.; Spicer, David B.; Stell, Richard C., Process for steam cracking heavy hydrocarbon feedstocks.
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Stell, Richard C.; Dinicolantonio, Arthur R.; Frye, James Mitchell; Spicer, David B.; McCoy, James N.; Strack, Robert David, Process for steam cracking heavy hydrocarbon feedstocks.
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Stell,Richard C.; DiNicolantonio,Arthur R.; Frye,James Mitchell; Spicer,David B.; McCoy,James N.; Strack,Robert David, Process for steam cracking heavy hydrocarbon feedstocks.
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Keusenkothen,Paul F., Reduction of total sulfur in crude and condensate cracking.
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Armstrong, Jeffrey; Martin, Richard; Hamrin, Douglas, Staged gradual oxidation.
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Armstrong, Jeffrey; Martin, Richard; Hamrin, Douglas; Perry, Joe, Staged gradual oxidation.
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Stell,Richard C.; Strack,Robert D.; Frye,James M.; Srivastava,Alok; Annamalai,Subramanian; McCoy,James N., Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors.
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McCoy,James N.; Di Nicolantonio,Arthur R.; Frye,James M.; Stapleton,Melissa D.; Stell,Richard C., Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter.
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Beattie,David; Stell,Richard C.; Srivastava,Alok; McCoy,James N., Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors.
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McCoy, James N.; DiNicolantonio, Arthur R.; Stell, Richard C., Steam cracking of partially desalted hydrocarbon feedstocks.
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Okamoto Toshiro (Tokyo JPX) Ohshima Michio (Hiroshima JPX), Thermal cracking process for selectively producing olefins and aromatic hydrocarbons from hydrocarbons.
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Frye,James M.; Beattie,David; Stell,Richard C.; Annamalai,Subramanian; Srivastava,Alok, Vapor/liquid separation apparatus.
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Stell,Richard C.; Di Nicolantonio,Arthur R.; Stephens,George; Frye,James M., Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid.
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Stell,Richard C.; Di Nicolantonio,Arthur R.; Stephens,George; Frye,James M., Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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연합인증

Method of preheating hydrocarbons for thermal cracking 원문보기

초록 ▼

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Method of preheating hydrocarbons for thermal cracking 원문보기

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대표청구항 ▼

연구과제 타임라인

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