EP1281913B1 - Rostfeuerung - Google Patents

Rostfeuerung Download PDF

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Publication number
EP1281913B1
EP1281913B1 EP02015729A EP02015729A EP1281913B1 EP 1281913 B1 EP1281913 B1 EP 1281913B1 EP 02015729 A EP02015729 A EP 02015729A EP 02015729 A EP02015729 A EP 02015729A EP 1281913 B1 EP1281913 B1 EP 1281913B1
Authority
EP
European Patent Office
Prior art keywords
grate
combustion system
set forth
firing combustion
driving force
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
EP02015729A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1281913A3 (de
EP1281913A2 (de
Inventor
Johannes Martin
Peter Weber
Werner Familler
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.)
Martin GmbH fuer Umwelt und Energietechnik
Original Assignee
Martin GmbH fuer Umwelt und Energietechnik
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
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Application filed by Martin GmbH fuer Umwelt und Energietechnik filed Critical Martin GmbH fuer Umwelt und Energietechnik
Publication of EP1281913A2 publication Critical patent/EP1281913A2/de
Publication of EP1281913A3 publication Critical patent/EP1281913A3/de
Application granted granted Critical
Publication of EP1281913B1 publication Critical patent/EP1281913B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H7/00—Inclined or stepped grates
    • F23H7/06—Inclined or stepped grates with movable bars disposed parallel to direction of fuel feeding
    • F23H7/08—Inclined or stepped grates with movable bars disposed parallel to direction of fuel feeding reciprocating along their axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H17/00—Details of grates

Definitions

  • the invention relates to a grate firing with a grid of adjacent grate elements constructed grate stages, each of which second grate stage in Rostlfitsraum for performing Schürzien drivable and the respective intermediate grate stages are fixed, the drive devices for the movable grate stages below the grate are.
  • a grate firing is out US 5 528 992 A known.
  • each separate drive device With the endeavor to influence the combustion process on the grate in an even better way, one has gone over to provide for each group or group combined movable grate stages each separate drive device. These were then in a first variant laterally next to the actual grate module, which is a multi-lane arrangement these grate modules side by side difficult or complicated and difficult to seal drive rods required. If the drive devices according to a second variant were below the grate, adverse effects always resulted when hot materials passed through the grate. If hot and possibly sticky substances in liquid form drip onto the piston rods of cylinder-piston units and solidify there, then this very quickly leads to damage to the piston rod seal and thus to the failure of this drive device. The failure of a drive device has the longer-term shutdown of grate firing result.
  • the object of the invention is to provide a grate firing, which allows both the simplest and protected against rust rusting arrangement of the drives under the grate, as well as a replacement of the drive devices during operation permits.
  • the drive devices are protected against anything that can pass through the grate from above into the underwinding chamber.
  • a separate housing chamber is provided for each drive device, which allows mounting or replacement of the drive device during operation.
  • each Housing is thermally insulated. This proves to be particularly advantageous if the primary air passing past the housing in the underwinding chamber is preheated very strongly. In order to enhance the effect that is achieved by the thermal insulation, still can be provided in a further development of the invention for each case a forced ventilation.
  • the housing chamber is streamlined in the flow direction of the primary air supplied to the grate furnace in at least one underwinding chamber.
  • a drive device may be provided for one or more grate stages to be moved, it has proved to be advantageous if in each case two movable grate stages a drive device is assigned. Between these two movable grate levels then there is a fixed grate level, creating the smallest controllable grate unit is created.
  • each drive device comprises at least one hydraulic cylinder-piston unit whose piston rod is connected to a sealed by the housing wall guided push rod, which on a Carriage engages, is connected to the at least one grate step to be moved.
  • the use of a push rod between a slide guided on guides and the piston rod of the drive cylinder has the advantage that the particularly finely machined surface of the piston rod always remains in the protective housing, so that the risk of damage to the seal of the working cylinder by impairing the piston rod is not given is. Damage to the seal on the housing, which may occur due to deposits on the push rod, then have no serious consequences as they may occur in case of damage to the seal of the working cylinder.
  • the invention is provided in an advantageous development that the piston rod is connected to the push rod by a hinge ,
  • FIG. 1 comprises a feeding hopper 1, a feed device 3 which can be moved back and forth over a feed table 2, a grate 4, a stowage device 5 arranged at the end of the grate for accumulating the slag and a slag chute 6 in which the burnt slag falls.
  • underwind chambers 7.1, 7.2, 7.3 and 7.4 there are four separate underwind chambers 7.1, 7.2, 7.3 and 7.4. These underwind chambers each have connections 8.1 to 8.4 for the separate supply of primary air, which is blown from the bottom against the grate 4 and passes through it in the lying on the grate fuel, such as garbage.
  • the underwinding chambers are arranged staggered in relation to one another following the inclined grate 4.
  • a carriage 9.1 to 9.4 is arranged, which, in particular in conjunction with FIG. 3 seen, is provided with two pairs of rollers 10 and 11, which are guided in guideways 12.
  • On each carriage drivers 13 and 14 are arranged, of which each driver is in each case with a movable grate stage 15 or 16 is engaged.
  • the Feuerungsrost is composed of alternately movable and fixed grate stages, wherein between each two movable grate stages 15 and 16, a fixed grate stage 17 is provided.
  • a carriage 9 is thus provided for the movement drive of two movable grate stages.
  • the guideways 12 are aligned parallel to the direction of movement of the movable grate steps 15 and 16.
  • each carriage 9 and the associated grate stages 15 and 16 is a total of 18 designated drive device comprising a working cylinder 19, a movable in the cylinder and not shown in the drawing piston and a piston rod 20.
  • the working cylinder 19 is secured by means of a hinge assembly 21 to a cross member 22, while the piston rod 20 is connected via a hinge 23 with a push rod 24 which engages through a seal 35 of a housing to be described later.
  • Each drive device with the exception of the drive device 18.4, which serves to drive the last two movable grate steps just before the slag chute are arranged in a coherent in the embodiment of the housing 25, which is divided into housing chambers, which are continuously designated 25.2 to 25.4. These housing chambers 25, in particular from the FIGS. 2 and 3 can be seen surrounding the protective devices 18.1, 18.2 and 18.3.
  • the drive assembly 18.4 is located below an inlet funnel 26 for the slag chute 6 and thus lies outside the grate area, which is why no housing chamber is provided for this drive.
  • FIG. 2 the grate furnace shown in the drawing two grate tracks side by side, which are designated 4a and 4b.
  • the respective grate webs are located between lateral pressure plates 27 which are loaded by spring arrangements 28 in order to be able to compensate for a lateral thermal expansion of the grate webs.
  • the housing chambers 25 for receiving the drive devices 18 have a heat insulation 29 and are forced ventilation, with the corresponding channels for forced ventilation from the drawing do not emerge.
  • hinged flaps 31 allow mounting and maintenance of the drive devices 18.
  • the respective housing 25 are, as from the FIGS. 2 and 3 seen, streamlined and designed and arranged so that in each case between the inner wall 33 of an underwinding chamber 7 and the outer wall 34 of the housing 25 remains a substantially constant flow cross-section 32 remains.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Cereal-Derived Products (AREA)
  • Baking, Grill, Roasting (AREA)
  • Tunnel Furnaces (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Resistance Heating (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Cleaning In General (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Toys (AREA)
EP02015729A 2001-08-01 2002-07-12 Rostfeuerung Expired - Lifetime EP1281913B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10137520 2001-08-01
DE10137520A DE10137520B4 (de) 2001-08-01 2001-08-01 Rostfeuerung

Publications (3)

Publication Number Publication Date
EP1281913A2 EP1281913A2 (de) 2003-02-05
EP1281913A3 EP1281913A3 (de) 2003-04-09
EP1281913B1 true EP1281913B1 (de) 2008-07-02

Family

ID=7693881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02015729A Expired - Lifetime EP1281913B1 (de) 2001-08-01 2002-07-12 Rostfeuerung

Country Status (16)

Country Link
US (1) US20030024449A1 (ja)
EP (1) EP1281913B1 (ja)
JP (1) JP3831311B2 (ja)
AT (1) ATE399962T1 (ja)
BR (1) BR0203032B1 (ja)
CA (1) CA2396294C (ja)
CZ (1) CZ302839B6 (ja)
DE (2) DE10137520B4 (ja)
DK (1) DK1281913T3 (ja)
ES (1) ES2190909T3 (ja)
NO (1) NO324288B1 (ja)
PL (1) PL198741B1 (ja)
PT (1) PT1281913E (ja)
RU (1) RU2226650C1 (ja)
SG (1) SG98065A1 (ja)
TW (1) TWI220448B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH703509B1 (de) * 2010-07-30 2014-08-29 Doikos Investments Ltd Wassergekühlter Schub-Verbrennungsrost mit einem hydraulischen Antrieb für seine beweglichen Rostplatten.
ES2490252T3 (es) * 2011-10-21 2014-09-03 Martin GmbH für Umwelt- und Energietechnik Módulo de parrilla de etapas para una parrilla de combustión de empuje
CN102865581B (zh) * 2012-09-29 2015-06-24 吕庆忠 一种炉排式生活垃圾焚烧炉的机械炉排的同步驱动装置
DE102014202591A1 (de) 2014-02-13 2015-08-13 Siemens Aktiengesellschaft Umwandlung von Metallcarbonat in Metallchlorid
DE102014202593A1 (de) 2014-02-13 2015-08-13 Siemens Aktiengesellschaft Umwandlung von Metallcarbonat in Metallchlorid
RU2611079C2 (ru) * 2015-08-03 2017-02-21 Станислав Анатольевич Прохоров Твердотопливный котел
CN105543473B (zh) * 2015-12-28 2017-05-17 中冶北方（大连）工程技术有限公司 带有故障监测的链篦机复位装置
CN109899777A (zh) * 2019-03-22 2019-06-18 杭州良辰电子商务有限公司 一种锅炉
CN111076163A (zh) * 2019-12-30 2020-04-28 河南农业大学 一种往复炉排秸秆捆烧锅炉

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111134A (en) * 1976-10-22 1978-09-05 Morse Boulger, Inc. Bearing assembly for a stoker carriage
CH637198A5 (de) * 1979-03-14 1983-07-15 Widmer & Ernst Ag Feuerungsrost fuer verbrennungsoefen.
FI85420C (fi) * 1987-12-22 1992-04-10 Ahlstroem Oy Anordning vid snedrost i foerbraenningsugns eldstad.
DE4105328C1 (ja) * 1991-02-18 1992-11-19 Noell - K + K Abfalltechnik Gmbh, 4040 Neuss, De
US5528992A (en) * 1993-06-07 1996-06-25 Wheelabrator Environmental Systems, Inc. Reciprocating combustion grate guide system
CH688840A5 (de) * 1994-11-17 1998-04-15 Von Roll Umwelttechnik Ag Kühlbarer Rostblock.
NO312644B1 (no) * 1997-04-23 2002-06-10 Doikos Investments Ltd Vannkjölt trykkforbrenningsrist

Also Published As

Publication number Publication date
CA2396294C (en) 2006-09-05
NO20023649D0 (no) 2002-07-31
US20030024449A1 (en) 2003-02-06
EP1281913A3 (de) 2003-04-09
TWI220448B (en) 2004-08-21
DK1281913T3 (da) 2008-11-10
ATE399962T1 (de) 2008-07-15
CZ302839B6 (cs) 2011-12-07
ES2190909T3 (es) 2008-12-16
DE10137520B4 (de) 2004-05-13
PL355266A1 (en) 2003-02-10
SG98065A1 (en) 2003-08-20
PL198741B1 (pl) 2008-07-31
NO20023649L (no) 2003-02-03
JP3831311B2 (ja) 2006-10-11
JP2003065526A (ja) 2003-03-05
DE50212424D1 (de) 2008-08-14
CA2396294A1 (en) 2003-02-01
BR0203032B1 (pt) 2010-12-28
BR0203032A (pt) 2003-09-09
ES2190909T1 (es) 2003-09-01
EP1281913A2 (de) 2003-02-05
RU2226650C1 (ru) 2004-04-10
DE10137520A1 (de) 2003-02-20
NO324288B1 (no) 2007-09-17
PT1281913E (pt) 2008-10-08
RU2002120938A (ru) 2004-01-27
CZ20022562A3 (cs) 2003-03-12

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