EP1146105A2 - Four de pyrolyse pour le craquage thermique d'hydrocarbures - Google Patents

Four de pyrolyse pour le craquage thermique d'hydrocarbures Download PDF

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Publication number
EP1146105A2
EP1146105A2 EP01108733A EP01108733A EP1146105A2 EP 1146105 A2 EP1146105 A2 EP 1146105A2 EP 01108733 A EP01108733 A EP 01108733A EP 01108733 A EP01108733 A EP 01108733A EP 1146105 A2 EP1146105 A2 EP 1146105A2
Authority
EP
European Patent Office
Prior art keywords
pipe
plane
straight
semi
pyrolysis furnace
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.)
Granted
Application number
EP01108733A
Other languages
German (de)
English (en)
Other versions
EP1146105A3 (fr
EP1146105B1 (fr
Inventor
Gunther Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde 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 Linde GmbH filed Critical Linde GmbH
Publication of EP1146105A2 publication Critical patent/EP1146105A2/fr
Publication of EP1146105A3 publication Critical patent/EP1146105A3/fr
Application granted granted Critical
Publication of EP1146105B1 publication Critical patent/EP1146105B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
    • C10G9/18—Apparatus
    • C10G9/20—Tube furnaces
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2210/00—Heat exchange conduits
    • F28F2210/02—Heat exchange conduits with particular branching, e.g. fractal conduit arrangements

Definitions

  • the thermal cracking of hydrocarbons usually takes place in Pyrolysis furnaces.
  • a conventional pyrolysis oven has one that is heated with burners Radiation zone.
  • the thermal cracking of the hydrocarbons is described in Canned tubes carried out in the radiation zone.
  • the splitting of hydrocarbons can be facilitated in that the hydrocarbons before the introduction into the Radiation zone are preheated in a convection zone of the pyrolysis furnace.
  • a pyrolysis furnace with a canned arrangement of the type mentioned is in the EP 0 529 441 B1.
  • This arrangement of the can is shown in FIG shown as an example.
  • the hydrocarbons to be split are made according to the Direction of arrow introduced into the pipes from above.
  • the three groups of can are staggered (two 90 ° curves) by three, not shown Cracked gas cooler arranged before entering the radiation zone of the pyrolysis furnace walk in.
  • the cracked gas coolers are located in the extension of the three outlet pipes (in Arrows pointing in the Z direction).
  • the dashed line symbolizes the upper end of the Radiation zone of the pyrolysis furnace.
  • Straight, arranged vertically (Z direction) Pipe pieces of the canned tubes extend to the lower area of the radiation zone. There two canned tubes are combined to form a tube via a tube collecting piece. The resulting eight canned tubes per group merge into eight elbows which four each have approximately the same direction of curvature. A certain one Deviation in the direction of curvature is due to the projections of the elbows conditionally.
  • the straight pipe sections of the groups lie in the arrangement level of the Canned tubes (X / Z plane).
  • the eight flowed from bottom to top, straight Pipe pieces in each group are initially made into two pieces using pipe collectors Canned pipes and combined via a further pipe header to form an outlet pipe.
  • the cracked gas coolers (not shown) are located above the three outlet pipes straight extension of the outlet pipes.
  • the invention is therefore based on the object of a pyrolysis oven at the outset to indicate the type mentioned, which avoids this disadvantage.
  • each with the help the pipe elbow made connection via a first S-shaped arch leads out of the plane with the straight pipe sections and the pipe collecting sections, then with a semicircular or a flatter semi-elliptical or semi-oval arch slants the plane and finally over a second S-shaped Leads the arch back into the plane.
  • the change of direction takes place in a sweeping arc, which is the plane which cuts straight pipe sections at a flat angle.
  • the sweeping one Bow allows a particularly low-tension assembly.
  • the pipe sections in front of the Reversal of direction and the pipe sections after the reversal take in the Level two adjacent faces one by the faces opposite burners, possibly different, are heated can.
  • the S-shaped, semi-circular, semi-elliptical or semi-oval arches of one Groups can be geometrically identical. Such an execution the arches enables savings in manufacturing and maintenance costs.
  • the semicircular, semi-elliptical or semi-oval arches of a group can cut the plane with the straight pipe sections at the same angle.
  • the advantage is that at a small angle the arches are close together, the Support radiation tubes against each other and thereby also the function of an otherwise with the necessary complex positioning system.
  • FIG. 2 schematically shows a side view of the can arrangement Pyrolysis furnace according to the invention.
  • the pipe run is just one Canned tube group shown in the lower part of the radiation zone of such a furnace.
  • two of sixteen canned tubes 1 are connected to one via a tube collecting piece 2 Tube united.
  • the resulting eight pipes each go into an S-shaped bend 3, then in a semi-oval 4, then again in an S-shaped sheet 5 and finally into a pipe section 6, ie a total of eight straight pipe sections.
  • the straight tubes are straight, parallel and vertical in the pyrolysis furnace arranged pipe sections and with the pipe collectors in one plane. Overall, at the transition of the canned tubes into the eight straight tube sections the pipe bends reversed direction. In Figure 2 it is not shown that these eight straight pipe sections after leaving the radiation zone to one or several fission gas coolers are performed.
  • FIG. 2 a top view of what is shown in FIG. 2 is shown demonstrated that two canned tubes 1 are combined, via an S-shaped Lead out bend 3 from level 7 with the straight pipe sections, with a subsequent arc (180 °) cut level 7 and finally with one return another S-shaped arch to level 7.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP01108733A 2000-04-12 2001-04-06 Four de pyrolyse pour le craquage thermique d'hydrocarbures Expired - Lifetime EP1146105B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10018201 2000-04-12
DE10018201A DE10018201A1 (de) 2000-04-12 2000-04-12 Pyrolyseofen zum thermischen Spalten von Kohlenwasserstoffen

Publications (3)

Publication Number Publication Date
EP1146105A2 true EP1146105A2 (fr) 2001-10-17
EP1146105A3 EP1146105A3 (fr) 2002-03-06
EP1146105B1 EP1146105B1 (fr) 2003-07-09

Family

ID=7638521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01108733A Expired - Lifetime EP1146105B1 (fr) 2000-04-12 2001-04-06 Four de pyrolyse pour le craquage thermique d'hydrocarbures

Country Status (7)

Country Link
EP (1) EP1146105B1 (fr)
AT (1) ATE244748T1 (fr)
BR (1) BR0101447B1 (fr)
DE (2) DE10018201A1 (fr)
ES (1) ES2202236T3 (fr)
HU (1) HU228377B1 (fr)
PT (1) PT1146105E (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102911706A (zh) * 2011-08-05 2013-02-06 中国石油化工集团公司 一种采用分支变径炉管的乙烯裂解炉
CN103773421A (zh) * 2012-10-23 2014-05-07 中国石油化工股份有限公司 一种用于乙烯裂解炉的两程辐射段炉管
CN103773422A (zh) * 2012-10-23 2014-05-07 中国石油化工股份有限公司 一种用于乙烯裂解炉的两程辐射段炉管
CN103965948A (zh) * 2013-02-06 2014-08-06 中国石油化工集团公司 一种辐射炉管构型
US8916030B2 (en) 2008-10-16 2014-12-23 China Petroleum & Chemical Corp. Ethylene cracking furnace
US9205400B2 (en) 2011-07-28 2015-12-08 China Petroleum & Chemical Corporation Ethylene cracking furnace
EP3745071A1 (fr) * 2019-05-31 2020-12-02 Manoir Pitres Tube comprenant au moins un segment torsade a section elliptique ou lobee pour un four de vapocraquage

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012100897A1 (de) 2011-08-08 2013-02-14 Kunststoff- Und Umwelttechnik Gmbh Modulierbares Universalverfahren zur Herstellung von Syntheseprodukten
US9816033B2 (en) 2015-12-31 2017-11-14 Chz Technologies, Llc Multistage thermolysis method for safe and efficient conversion of carpet/rug, polymeric materials and other waste sources
US9850433B2 (en) 2015-12-31 2017-12-26 Chz Technologies, Llc Multistage thermolysis method for safe and efficient conversion of E-waste materials
EP4200090A4 (fr) 2020-09-15 2024-10-02 CHZ Technologies, LLC Production d'ammoniac vert à partir de gaz de thermolyseur
US20240059860A1 (en) 2021-01-04 2024-02-22 Chz Technologies, Llc Methods and systems for destruction of synthetic per- and polyfluoro compounds

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2713256A1 (de) * 1977-03-25 1978-09-28 Selas Kirchner Gmbh Roehrenofen mit ineinandergehaengten rohrschlangen
FR2555723B1 (fr) * 1983-11-25 1988-02-05 Stein Industrie Dispositif de solidarisation de troncons verticaux adjacents rapproches de tubes d'un echangeur de chaleur a boucles
DE4128521A1 (de) * 1991-08-28 1993-03-04 Selas Kirchner Gmbh Pyrolyseofen zum thermischen spalten von kohlenwasserstoffen
CA2289852C (fr) * 1997-05-13 2007-07-03 Borsig Gmbh Fourneau de craquage comportant des tubes de chauffage par rayonnement
GB2340911B (en) * 1998-08-20 2000-11-15 Doncasters Plc Alloy pipes and methods of making same

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8916030B2 (en) 2008-10-16 2014-12-23 China Petroleum & Chemical Corp. Ethylene cracking furnace
US9604193B2 (en) 2011-07-28 2017-03-28 China Petroleum & Chemical Corporation Ethylene cracking furnace
US9205400B2 (en) 2011-07-28 2015-12-08 China Petroleum & Chemical Corporation Ethylene cracking furnace
CN102911706A (zh) * 2011-08-05 2013-02-06 中国石油化工集团公司 一种采用分支变径炉管的乙烯裂解炉
CN103773422B (zh) * 2012-10-23 2015-10-07 中国石油化工股份有限公司 一种用于乙烯裂解炉的两程辐射段炉管
CN103773421B (zh) * 2012-10-23 2015-10-07 中国石油化工股份有限公司 一种用于乙烯裂解炉的两程辐射段炉管
CN103773422A (zh) * 2012-10-23 2014-05-07 中国石油化工股份有限公司 一种用于乙烯裂解炉的两程辐射段炉管
CN103773421A (zh) * 2012-10-23 2014-05-07 中国石油化工股份有限公司 一种用于乙烯裂解炉的两程辐射段炉管
CN103965948A (zh) * 2013-02-06 2014-08-06 中国石油化工集团公司 一种辐射炉管构型
CN103965948B (zh) * 2013-02-06 2015-12-02 中国石油化工集团公司 一种辐射炉管构型
EP3745071A1 (fr) * 2019-05-31 2020-12-02 Manoir Pitres Tube comprenant au moins un segment torsade a section elliptique ou lobee pour un four de vapocraquage
FR3096766A1 (fr) * 2019-05-31 2020-12-04 Manoir Pitres tube comprenant au moins un segment torsadé à section elliptique ou lobée pour un four de vapocraquage
US11542440B2 (en) 2019-05-31 2023-01-03 Centre National De La Recherche Scientifique Tube for a steam cracking furnace having a segment with an elliptical or lobed cross section

Also Published As

Publication number Publication date
DE10018201A1 (de) 2001-10-25
HUP0101430A3 (en) 2003-02-28
PT1146105E (pt) 2003-11-28
ATE244748T1 (de) 2003-07-15
HU228377B1 (en) 2013-03-28
HU0101430D0 (en) 2001-06-28
DE50100356D1 (de) 2003-08-14
HUP0101430A2 (hu) 2002-01-28
BR0101447B1 (pt) 2010-12-14
EP1146105A3 (fr) 2002-03-06
ES2202236T3 (es) 2004-04-01
BR0101447A (pt) 2001-12-04
EP1146105B1 (fr) 2003-07-09

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