EP0713517B1 - Heizkammer mit innen liegenden heizrohren - Google Patents

Heizkammer mit innen liegenden heizrohren Download PDF

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Publication number
EP0713517B1
EP0713517B1 EP94921600A EP94921600A EP0713517B1 EP 0713517 B1 EP0713517 B1 EP 0713517B1 EP 94921600 A EP94921600 A EP 94921600A EP 94921600 A EP94921600 A EP 94921600A EP 0713517 B1 EP0713517 B1 EP 0713517B1
Authority
EP
European Patent Office
Prior art keywords
heating
tube
collar
heating tube
end plate
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.)
Expired - Lifetime
Application number
EP94921600A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0713517A1 (de
Inventor
Karl May
Hartmut Herm
Karlheinz Unverzagt
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.)
Takuma Co Ltd
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0713517A1 publication Critical patent/EP0713517A1/de
Application granted granted Critical
Publication of EP0713517B1 publication Critical patent/EP0713517B1/de
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
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28—Other processes
    • C10B47/30—Other processes in rotary ovens or retorts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B1/00—Retorts
    • C10B1/10—Rotary retorts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/14—Supports for linings
    • F27D1/145—Assembling elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • F27D99/0035—Heating indirectly through a radiant surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement
    • F28F5/02—Rotary drums or rollers
    • 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
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49352—Repairing, converting, servicing or salvaging
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • Y10T29/49721—Repairing with disassembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49718—Repairing
    • Y10T29/49721—Repairing with disassembling
    • Y10T29/4973—Replacing of defective part

Definitions

  • the invention relates to a heating chamber, in particular to a smoldering chamber for waste that can be rotated about its longitudinal axis, with a number of heating pipes lying inside, which each with one end on a first end plate and with the other end are attached to a second end plate. It also relates to a method of exchanging one located in such a heating chamber heating tube.
  • the heating chamber is used for thermal waste disposal, especially after the smoldering process.
  • the procedure and one then working plant for thermal waste disposal are, for example, in EP-A-0 302 310 and in DE-A-38 30 153.
  • the plant for thermal waste disposal after the smoldering process contains as essential Components a smoldering chamber (pyrolysis reactor) and one High temperature combustion chamber.
  • the smoldering chamber puts the over a waste transportation facility in abandoned waste Smoldering gas and pyrolysis residue.
  • the carbonization gas and the pyrolysis residue are then after appropriate workup fed to the burner of the high temperature combustion chamber.
  • the High temperature combustion chamber creates molten slag, which is removed via a fume hood and which after cooling in glassy form is present.
  • the resulting flue gas is over a flue gas line fed to a chimney as an outlet.
  • In these flue gas pipes are a particular one Heat recovery steam generator as a cooling device, a dust filter system and installed a flue gas cleaning system.
  • a smoldering chamber (pyrolysis reactor) is usually one rotating, relatively long smoldering drum used has a large number of parallel heating pipes on the inside where the waste is largely heated in the absence of air becomes.
  • the smoldering drum rotates about its longitudinal axis.
  • the longitudinal axis of the smoldering drum is preferably somewhat opposite inclined horizontally so that the char is Accumulate at the exit of the smoldering drum and from there easily can be carried out.
  • the raised one falls Waste on the heating pipes underneath. Because the waste heavy components such as stones, bottles, metal and ceramic parts, there is a risk that the heating pipes are damaged. In addition to this mechanical Stress is also a high thermal stress of the heating pipes.
  • the smoldering chamber can have a length of 15 to 30 m, so that they are significant Represents capital investment.
  • EP-A-0 149 798 describes a rotating carbonization drum for charring waste materials.
  • the object of the invention is a heating chamber of the beginning mentioned type so that they have a long life owns and thus enables cost-effective operation.
  • the invention is based on the consideration that this is can be achieved if the particularly heavily used components the heating chamber can be replaced after a certain time.
  • the object of the invention is therefore also a method for easy replacement of a heating pipe in one Specify heating chamber.
  • the first-mentioned object is achieved according to the invention solved that the heating tubes on the end plates are interchangeable are attached as described in claim 1.
  • the heating tubes should be easily interchangeable between the two End plates may be arranged. To achieve this is after a further development provided that each of the heating tubes at the end detachable and via an opening in each of the two End plates can be removed from the interior.
  • the collar a length compensator, in particular a corrugated pipe compensator, includes.
  • This length compensator can be between attached to a first sleeve and a second sleeve be, the first sleeve on the face with the relevant Heating tube and the second sleeve connected to the first end plate, in particular is welded.
  • the collar comprises a tube sheet sleeve, the one hand with the relevant heating tube and on the other hand connected to the second end plate, in particular is welded.
  • a heating tube is achieved according to the invention in that a Part of a collar used for fastening cut off is so that the remaining part of the collar on the end plate remains that the heating tube from the interior through an opening is pulled out in one of the two end plates that a new heating tube is inserted and that the new heating tube welded to the rest of the collar on the face is as described in claim 11.
  • solid waste A via a feed or feed device 2 and a worm 4 driven by a motor 6 is driven into a pyrolysis reactor or a smoldering chamber 8 introduced.
  • the smoldering chamber 8 is in the embodiment one about its longitudinal axis 10 (explained later Drive means 24, 26) rotatable smoldering or pyrolysis drum, which works at 300 to 600 ° C, largely with the exclusion of oxygen is operated and in addition to volatile carbonization gas s produces a largely solid pyrolysis solid f. It deals is an inner tube-smoked drum 8 with a Large number of heating pipes aligned parallel to each other 12, of which only two are shown, in the interior 13.
  • the inlet for heating gas h provided at the "hot” end is 14 and the outlet for the heating gas provided at the "cold” end h is designated 16.
  • the longitudinal axis 10 of the smoldering chamber 8 is preferably inclined to the horizontal, so that the the "hot" end on the right is lower than the one shown on the left Inlet for waste A.
  • the pyrolysis drum 8 is a discharge device 18 on the output or discharge side downstream, with a carbonization gas outlet 20 for the outlet of the carbonization gas and with a pyrolysis residue outlet 22 for the release of the solid pyrolysis residue f is provided.
  • One at the smoldering gas outlet 22 Connected carbonization line can be connected to the burner High temperature combustion chamber to be connected.
  • the rotary motion the smoldering drum 8 about the longitudinal axis 10 is by a Drive 24 causes, which also includes a motor 26.
  • the Drive means 24, 26 work, for example, on a ring gear, which is attached to the circumference of the smoldering drum 8.
  • Figure 2 shows an enlarged view of the attachment of the Heating tubes 12 on the first, left or “cold” end plate 28.
  • the end of the heating tubes 12 projects through an opening 31 out of the interior 13.
  • the axis of the heating pipes 12 is perpendicular to the surface of the end plate 28 aligned.
  • the first end plate 28, also referred to as a tube plate or drum tube plate could be around the longitudinal axis 10 of the smoldering drum 8 turns.
  • the distance d between the Heating tubes 12 in the interior 13 as narrow as possible and the distance D the same heating tubes 12 on the attachment to the first Plate 28 as large as possible for manufacturing or assembly reasons should be.
  • each heating tube 12 in its course Reducer 32 contains. This is scarce in the interior 13 arranged in front of the surface of the first end plate 28.
  • Each of the heating tubes 12 is relatively light at both ends releasably attached.
  • the attachment of the heating pipe end to the first end plate 28 is produced by means of a collar 34, the one from the series connection of a first box 36, a length compensator 38 and a second sleeve 40 consists.
  • the first and second bushings 36 and 40 exist made of steel and are to be regarded as tubular weld-on pieces.
  • the collar 34 surrounds that in the outer space protruding end portion of the heating tube 12 with the reduced Diameter.
  • the first bush 36 is on the end face with the relevant one Heating tube 12 connected via a weld 42.
  • the second sleeve 40 is a weld 44, which in the Interior 13 is located, and possibly over another Weld seam 46 is connected to the first end plate 28 in the outer space.
  • the length compensator 38 is in particular as Corrugated tube compensator designed. He is on both sides with the inner ends of the tubular weld-on pieces or bushings 36, 40 connected by unspecified welds.
  • the axial length of the sleeves 36, 40 is important axial length of the first sleeve 42 can, for example, for five changes of the heating tube 12 and the axial length of the second Bushing 40 can be used, for example, for two changes in the corrugated tube compensator 38 dimensioned. This is through five vertical ones Lines 50 or two vertical lines 52 at the bottom Heating tube 12 illustrates.
  • the first socket 36 cut off along the first of lines 50, and that relevant heating tube 12 is to the right of the interior 13th pulled out. It is replaced by a new heating tube 12, that after insertion through the relevant opening 31 in the first end plate 28 (more precisely: through the combination of components 40, 38, 36) ends with a new weld 42 is welded. As will become clear later, the proceeded accordingly "hot" end plate 30 accordingly.
  • FIG 3 is the attachment of one of the heating tubes 12 on the second, right or “hot” end plate 30, which is also rotates about the longitudinal axis 10, shown. Protrudes here too the heating tube 12 through an opening 53 from the interior 13 out.
  • a collar 54 is used for fastening.
  • This Collar 54 consists of a simple piece of pipe made of metal, that assumes the function of a tube sheet sleeve 56. From What is important here is that the inner diameter of the tube sheet sleeve 56 is a little larger than the outside diameter of the heating tube 12. This distance is determined by a centering sleeve 58, which after inserting the heating tube 12 into the Tube bottom sleeve 56 is inserted at the end, bridged.
  • the centering sleeve 58 is beveled at the inner end provided that facilitate threading or insertion should.
  • the tube sheet sleeve 56 is on one side with the relevant heating tube 12 via a front seam 60 and a (on Completion of the assembly) assembly seam by welding connected. And the tube sheet sleeve 56 is at the other end by means of a weld seam 62 located in the interior 13 the end plate 30 connected.
  • the centering sleeve 58 is in the present embodiment required because the relevant heating tube 12 with a Baffle 64 is provided from metal.
  • this baffle 64 can in particular be a half-shell, the outside of the heating tube 12 by means of at least one Stitch seam 66 (see FIG. 4) is welded on.
  • the Baffle 64 has a thickness b. It protects the heating tube 12 in the interior 13 in front (when the smoldering chamber 8 rotates and then falling) solid, such as Glass, iron and ceramic parts, and prevented thus damage to the heating pipe surface. This impact protection extends the intervals at which the heating pipes 12 be replaced.
  • the impact half-shell is for everyone Heating tube individually against the direction of falling Parts aligned.
  • the tube sheet sleeve 56 is made by means of the weld seam 62 fixed in the opening 53 of the second end plate 30. She protrudes into the outside (heating gas inlet 14). Then will the heating tube 12 from the right to the opening in the second end plate 30 introduced. On this heating tube 12 is already the impact shell 64 fastened by means of the stitching 66; as well the centering sleeve 58 is already on it by means of the front seam 60 welded. This so prepared heating tube 12 threaded or inserted into the tube sheet sleeve 56 from the right. This situation is shown in Figure 4. Obviously is the outer lower surface line when inserting of the heating tube 12 on the inner lower surface line of the Tube bottom bushing 56.
  • the design is such that the inner diameter of the tube sheet sleeve 56, the smallest possible should be just a little bigger than that Outside diameter of the heating tube 12 plus the thickness d of the impact shell 64.
  • the distance between the two Center lines H, R are denoted by m.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Heat Treatment Of Articles (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Resistance Heating (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Coke Industry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Refrigerator Housings (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
EP94921600A 1993-08-09 1994-07-26 Heizkammer mit innen liegenden heizrohren Expired - Lifetime EP0713517B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4326678A DE4326678A1 (de) 1993-08-09 1993-08-09 Heizkammer mit innen liegenden Heizrohren
DE4326678 1993-08-09
PCT/DE1994/000866 WO1995004795A1 (de) 1993-08-09 1994-07-26 Heizkammer mit innen liegenden heizrohren

Publications (2)

Publication Number Publication Date
EP0713517A1 EP0713517A1 (de) 1996-05-29
EP0713517B1 true EP0713517B1 (de) 1999-12-08

Family

ID=6494760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94921600A Expired - Lifetime EP0713517B1 (de) 1993-08-09 1994-07-26 Heizkammer mit innen liegenden heizrohren

Country Status (18)

Country Link
US (2) US5746590A (zh)
EP (1) EP0713517B1 (zh)
JP (1) JP2789558B2 (zh)
KR (1) KR100304302B1 (zh)
CN (1) CN1066184C (zh)
AT (1) ATE187480T1 (zh)
CA (1) CA2169064A1 (zh)
CZ (1) CZ31296A3 (zh)
DE (2) DE4326678A1 (zh)
DK (1) DK0713517T3 (zh)
ES (1) ES2141241T3 (zh)
HU (1) HU218541B (zh)
PL (1) PL179355B1 (zh)
PT (1) PT713517E (zh)
RU (1) RU2102431C1 (zh)
SK (1) SK282120B6 (zh)
UA (1) UA27999C2 (zh)
WO (1) WO1995004795A1 (zh)

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DE19726150C1 (de) * 1997-06-19 1998-11-05 Siemens Ag Innenberohrte, drehbare Heizkammer für Abfall
US6195892B1 (en) * 1998-05-29 2001-03-06 Mpr Associates, Inc. Method for replacing cracked core spray supply piping in a boiling water reactor
US6143137A (en) * 1998-09-11 2000-11-07 Atlantic Richfield Company Cooling pocket for a rotary drum cooler having a flexible vent pipe assembly
US20050057023A1 (en) * 2003-09-16 2005-03-17 Burton Thomas C. Anti-twisting inflatable curtain assembly
MY157050A (en) * 2008-05-13 2016-04-15 Harper Int Corp Overhung rotary tube furnace
US20100178627A1 (en) * 2009-01-09 2010-07-15 Harper International Corporation Automatic feed oven
US9259807B2 (en) 2013-12-13 2016-02-16 General Electric Company Method for repairing a bundled tube fuel injector
CN103954124B (zh) * 2014-05-08 2015-11-04 山东天力干燥股份有限公司 一种回转焙烧的装置及工艺
WO2017011524A1 (en) 2015-07-13 2017-01-19 Fulton Group N.A., Inc. High efficiency fluid heating system exhaust manifold
WO2017019521A1 (en) * 2015-07-24 2017-02-02 Fulton Group N. A., Inc. Compliant heating system comprising a compressive seal expansion joint
CN106123647B (zh) * 2016-08-17 2018-02-06 中国重型机械研究院股份公司 一种立式短流程固体粉料换热系统
CN106152839B (zh) * 2016-08-19 2018-06-29 中国重型机械研究院股份公司 一种回转圆筒固体粉料换热装置及方法
CN106281381A (zh) * 2016-09-12 2017-01-04 新疆广汇中化能源技术开发有限公司 转式辐射床
CN111550793B (zh) * 2020-04-24 2022-01-25 河南工学院 一种基于热能工程的分级热解气化炉

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Also Published As

Publication number Publication date
RU2102431C1 (ru) 1998-01-20
US5746590A (en) 1998-05-05
DK0713517T3 (da) 2000-05-29
PT713517E (pt) 2000-05-31
DE4326678A1 (de) 1995-02-16
WO1995004795A1 (de) 1995-02-16
CN1131433A (zh) 1996-09-18
PL312848A1 (en) 1996-05-13
UA27999C2 (uk) 2000-10-16
HU218541B (hu) 2000-10-28
US5992019A (en) 1999-11-30
HUT74782A (en) 1997-02-28
JPH08508064A (ja) 1996-08-27
SK18196A3 (en) 1997-07-09
ES2141241T3 (es) 2000-03-16
SK282120B6 (sk) 2001-11-06
EP0713517A1 (de) 1996-05-29
JP2789558B2 (ja) 1998-08-20
HU9600263D0 (en) 1996-03-28
DE59408990D1 (de) 2000-01-13
CN1066184C (zh) 2001-05-23
CA2169064A1 (en) 1995-02-16
CZ31296A3 (en) 1996-06-12
PL179355B1 (en) 2000-08-31
KR100304302B1 (ko) 2001-11-22
ATE187480T1 (de) 1999-12-15

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