EP2828601B1 - Dispositif pour la génération de mouvements de battement ou de pulsation dans des parois tubulaires - Google Patents

Dispositif pour la génération de mouvements de battement ou de pulsation dans des parois tubulaires Download PDF

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Publication number
EP2828601B1
EP2828601B1 EP13713097.7A EP13713097A EP2828601B1 EP 2828601 B1 EP2828601 B1 EP 2828601B1 EP 13713097 A EP13713097 A EP 13713097A EP 2828601 B1 EP2828601 B1 EP 2828601B1
Authority
EP
European Patent Office
Prior art keywords
ram
annular
annular space
plunger
compensator
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.)
Not-in-force
Application number
EP13713097.7A
Other languages
German (de)
English (en)
Other versions
EP2828601A1 (fr
Inventor
Lothar Semrau
Guido LANGENKAMP
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
ThyssenKrupp Industrial Solutions 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 ThyssenKrupp Industrial Solutions AG filed Critical ThyssenKrupp Industrial Solutions AG
Publication of EP2828601A1 publication Critical patent/EP2828601A1/fr
Application granted granted Critical
Publication of EP2828601B1 publication Critical patent/EP2828601B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G7/00—Cleaning by vibration or pressure waves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
    • B06B1/183—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with reciprocating masses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • 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
    • Y10T29/45—Scale remover or preventor
    • Y10T29/4572—Mechanically powered operator
    • Y10T29/4583—Hammer

Definitions

  • the invention is directed to a device for introducing knock or. Pulse movements in the tube walls within a pressure vessel, wherein the knock pulse to the pipe wall donating first plunger pressure vessel wall, led into a pressurized first annulus, interspersed, which is acted upon by a second, guided in a further tubular chamber plunger.
  • knockers especially in heat exchangers in chemical processes that are used inside or outside of pressure vessels, such as pipe walls of the pressure vessel for coal gasification, which seeks to the mode of action and the heat transfer into the tube walls on a maintain a high level.
  • pressure vessels such as pipe walls of the pressure vessel for coal gasification
  • Such devices for introducing impact pulses into the tube walls, so that the dust can trickle are for example in the WO 2010/0637552 A1 or the WO 2010/063755 A1 described.
  • a pneumatic knocker shows the DE 196 52 707 C2
  • a knocking or impact device on boilers is also in the DE 10 2010 007 197 A1 disclosed, to name just a few examples.
  • the object of the invention is to provide a solution with which an effective seal against the environment is guaranteed.
  • the solution for a long time as possible, the wear of Rammbgess or plunger, which acts on the pipe wall, compensated.
  • this object is achieved according to the invention in that the second plunger with at least one of the inner wall of the tubular chamber acting first guide in the region of the first plunger-contacting end and in the region of its protruding from the tubular chamber end a second, provided with a sealing element guide is provided and that the second plunger between the two guides is enclosed by a gas-tight fixed compensator.
  • the compensator or bellows ensures that no gas can escape from the pressure vessel into the environment, without the mobility of the plunger, which transfers the knock or pulse movements to the pipe wall, is influenced.
  • a possible embodiment of the invention is that the second plunger with compensator in the tubular chamber is surrounded by a compression spring, according to the invention the guide of the second plunger is provided with seals to form a sealed against the environment annular space, wherein the outwardly facing plunger surrounded by a static seal.
  • a static seal may have different physical and chemical properties than, for example, a dynamic seal, e.g. is subject to abrasion during its movement.
  • An embodiment according to the invention is that the seals of O-ring seals are formed, which are positioned in the annular discs surrounding the second plunger, at least one annular disc provided with an annular flange pointing into the annular space for fixing the one end of the compensator is.
  • a modified embodiment of the seal is that the static seal is positioned between an annular disc surrounding the second plunger and the end face of the annular space, wherein the annular disc is provided with an annular flange pointing into the annular space for fixing the one end of the compensator.
  • the dust passage preventing filter element is provided in the annulus a surrounding the first plunger.
  • Ring discs positioned sintered metal tube piece is formed, wherein the annular discs closely surround the first plunger, while the sintered metal tube piece surrounds the first plunger at a distance.
  • An embodiment of the filter element is that the ring disk facing the annular space is provided at its edge adjacent to the first ram edge and the second annular disc on its inner wall of the annular space contacting edge with recesses, wherein it can also be provided that the respective other peripheral edge of the annular discs has an O-ring seal. This gives the possibility of a flow through the sintered metal pipe section.
  • the invention provides that the protruding from the chamber end of the second plunger is equipped with a change in length, in particular the abrasion of the first plunger, recognizable making electronic or mechanical device.
  • a robust, simple and less susceptible to interference design of such an element may be that the protruding from the chamber plunger end is equipped with a pointer to which a fixed scale is assigned.
  • Fig. 1 shown in a simplified sectional view, generally designated 1 is used for applying knock pulses on a partially indicated pipe wall 2 in a pressure vessel 3, as used for example in coal gasification plants.
  • the device 1 is essentially constituted by a knock pulse generator 4 or actuator triggering the knocking impulses, whose e.g. pneumatically actuated thrust piston 5 in pulses via a piston rod 6, hereinafter referred to as second plunger 6, to a ram, hereinafter called the first plunger 7 transmits, which penetrates the pressure vessel wall 3 and via e.g. a baffle plate 18 attached to the tube wall which introduces momentum into the tube wall. Since the interior of the pressure vessel 3 both has a high temperature of about 500 ° C and a high pressure of e.g. 50 bar, the passage of the first plunger 7 is guided substantially gas-tight in the pressure vessel, including a jacket tube 8 with a pipe socket 9, which is welded to the pressure vessel 3, is screwed.
  • a knock pulse generator 4 or actuator triggering the knocking impulses whose e.g. pneumatically actuated thrust piston 5 in pulses via a piston rod 6, hereinafter referred to as second plunger 6, to a ram, here
  • the first plunger 7 On the side facing the tube wall, the first plunger 7 is guided in a guide 10 and protrudes with its end facing away from the tube wall outside of the pressure vessel in the end face of a designated 11 tubular chamber, in which a piston rod, further as the second plunger. 6 designated, is guided.
  • a generally designated 12 filter element is provided which is intended to ensure that no fine dust and thus also the fines transporting gas escapes to the outside.
  • a compressed gas line 13 in the block flange 14 of the jacket tube 8 is provided in the annular space 15 between the jacket tube 8 and the first plunger
  • the block flange 14 is used to attach the jacket tube 8 to the pipe socket 9 and thus the pressure vessel 3.
  • the surrounding the piston rod and the second plunger 6 tubular chamber 11 is shown in the Example of Fig. 1 equipped with two mounting flanges 16 and 17, wherein the mounting flange 16 is used to attach the tubular chamber 11 to the block flange 14, while the mounting flange 17 serves to attach the knock pulse generator 4 to the tubular chamber 11.
  • the guided in the tubular chamber 11 second plunger 6 has at its the first plunger 7 end facing a guide 6a, which in the example of Fig. 1 is integrally formed with the second plunger 6 as a disc and having at its end an O-ring seal, with other designs resulting from the following figures.
  • the guide 6a can also be formed by a separate annular disc.
  • the plunger 6 is also held in a guide 6 b, with its end 6 c protruding from the tubular chamber 11.
  • This second guide 6b is part of a flange formed as an annular element 21, wherein in the example of the Fig. 1 between the flange member 12 and the mounting flange 17, a static seal 19 is provided.
  • a compensator 20 is fixed, such that the annulus designated 22 between the tubular chamber 11 and the second plunger by pressure-tight fixation of the compensator to the guides 6a and 6b gas-tight relative to the environment is completed, in the example of Fig. 1 in connection with the seal 19.
  • Fig. 1 is the annular space 22 acted upon by a gas supply line 23 with a pressurized gas, such that the pressure in the annular space 22nd acts on the guide 6a and thus, since it is freely movable and sealed by a seal 24 in the tubular chamber 11, the second plunger 6 presses on the first plunger 7, such that during wear of the plunger 7 a fixed contact of the first plunger 6 on the second plunger 7 is always guaranteed.
  • FIG. 2 An enlarged view of the area of the second guide 6b of the second plunger 6 in the tubular chamber 11, in particular the area where the plunger 6 emerges from the chamber to the outside, is in Fig. 2 shown enlarged. It can be seen there is also a part of a linkage, for example, from a plurality of threaded rods 25a, indicated with which the knock pulse generator 4 is fixed to the mounting flange 17. Shown here is a way to arrange on one of the threaded rods 25, a device 26, which makes it possible to make visually the penetration of the piston rod 6 in the tubular chamber 11 in wear of the first plunger 7 identified, for example by means of a pointer in conjunction with a Scale 27. Such a device 26 may also be formed electronically or otherwise indicate the change in position of the second plunger 6.
  • Fig. 3 a modified embodiment is shown.
  • the second guide 6b is a part of an O-ring seal outer washer 24a designed as a static seal with the second guide 6b held by a fixing flange 28 bolted to the tubular chamber 11. *** "
  • Fig. 4 is in a modification of the embodiment according to Fig. 1 illustrated that the compensator 20 is surrounded by a compression spring 29 which is positioned in the interior of the annular space 22 and is supported pressure-tight on the first guide 6a and the second guide 6b. Since the first guide 6a is slidably mounted with the second plunger 6, the compression spring 29 ensures a permanent abutment of the second plunger 6 on the first plunger 7, as well as from Fig. 4 is recognizable.
  • Fig. 5 is enlarged, inter alia, the filter element 12 shown, which is essentially formed of two annular discs 30 and 31, wherein between the two annular discs 30 and 31 at a distance from the first plunger 7 and the casing tube 8, a sintered metal tube piece 32 is positioned.
  • the annular disk 30 has an outer ring sleeve 33 abutting the jacket tube 8, wherein channels or grooves 34 are provided in the voltage applied to the first plunger 7 end face of the annular disc 30.
  • the annular disc 31 has an annular seal, e.g. an O-ring 35, on, on the end face abutting the first plunger, while the end face facing the pipe socket 8 is equipped with passage grooves 36.
  • a reverse flow stored dust particles are deposited on the outer surface of the sintered metal pipe section, so that any escaping gas is free of dust particles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Powder Metallurgy (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Measuring Fluid Pressure (AREA)
  • Lens Barrels (AREA)

Claims (10)

  1. Dispositif (1) destiné à introduire des mouvements de battement ou de pulsation dans des parois tubulaires à l'intérieur d'un réservoir sous pression (3), comprenant
    un premier coulisseau (7) qui traverse la paroi du réservoir sous pression, restituant l'impulsion de battement sur une paroi tubulaire (2),
    un premier espace annulaire (15a) sous pression, dans lequel le premier coulisseau (7) est guidé,
    un deuxième coulisseau (6),
    un compartiment (11) tubulaire supplémentaire dans lequel le deuxième coulisseau (6) est guidé, le premier coulisseau (7) étant sollicité par le deuxième coulisseau (6),
    le deuxième coulisseau (6) étant muni d'au moins un premier guidage (6a) sollicitant la paroi intérieure du compartiment (11) tubulaire dans la région de son extrémité touchant le premier coulisseau (7), ainsi que dans la région de son extrémité (6c) saillant hors du compartiment (11) tubulaire avec un deuxième guidage (6b) équipé d'un élément d'étanchéité,
    caractérisé en ce
    qu'entre les deux guidages (6a, 6b), le deuxième coulisseau (6) est entouré d'un compensateur (20) fixé de manière étanche au gaz et en ce que le deuxième guidage (6b) du deuxième coulisseau (6) est muni de joints (19, 24a) pour former un espace annulaire rendu étanche par rapport à l'environnement, le joint (19, 24a) lequel entoure l'extrémité (6c) de coulisseau dirigée vers l'extérieur étant conçu en tant que joint statique.
  2. Dispositif selon la revendication 1, caractérisé en ce que le deuxième coulisseau (6) avec compensateur (20) est entouré d'un ressort de pression (29) dans le compartiment (11a) tubulaire.
  3. Dispositif selon la revendication 1, caractérisé en ce que les joints (24, 24a) sont formés par des joints toriques (33, 35) qui sont positionnés dans les rondelles entourant le deuxième coulisseau (6), au moins une rondelle (21) étant munie d'une bride annulaire dirigée dans l'espace annulaire (22), pour la fixation de l'une des extrémités du compensateur (20).
  4. Dispositif selon la revendication 1, caractérisé en ce que le joint statique est positionné entre une rondelle (21) entourant le deuxième coulisseau et la face frontale de l'espace annulaire (22), la rondelle étant munie d'une bride annulaire dirigée dans l'espace annulaire, pour la fixation de l'une des extrémités du compensateur (20).
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que dans le premier espace annulaire (15, 15a) est prévu un élément de filtration (12) entourant le premier coulisseau (7), empêchant le passage de poussière.
  6. Dispositif selon la revendication 5, caractérisé en ce que l'élément de filtration (12) est formé par une pièce tubulaire (32) métallique frittée positionnée entre deux rondelles (30, 31), les rondelles (30, 31) entourant étroitement le premier coulisseau (7), alors que la pièce tubulaire (32) métallique frittée entoure avec un écart le premier coulisseau (7).
  7. Dispositif selon la revendication 6, caractérisé en ce que sur son arête marginale adjacente au premier coulisseau, la rondelle (30) qui fait face à l'espace annulaire (15a) et sur son arête marginale touchant la paroi intérieure de l'espace annulaire, la deuxième rondelle (31) sont munies d'évidements ou de rainures (34, 36).
  8. Dispositif selon la revendication 7, caractérisé en ce que chaque fois l'autre arête marginale des rondelles (30, 31) comporte une étanchéité par joint torique (33, 35).
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'extrémité (6c) saillant hors du compartiment du deuxième coulisseau (6) est munie d'un système (26) électronique ou mécanique identifiant des variations de longueur, notamment l'abrasion du premier coulisseau.
  10. Dispositif selon la revendication 9, caractérisé en ce que l'extrémité (6c) de coulisseau saillant hors du compartiment est équipée d'une aiguille à laquelle est associée une graduation (27) stationnaire.
EP13713097.7A 2012-03-21 2013-03-12 Dispositif pour la génération de mouvements de battement ou de pulsation dans des parois tubulaires Not-in-force EP2828601B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012005804A DE102012005804A1 (de) 2012-03-21 2012-03-21 Klopfer für staubbehaftete Rohrwände
PCT/EP2013/054937 WO2013139639A1 (fr) 2012-03-21 2013-03-12 Batteur de dépoussiérage de parois tubulaires

Publications (2)

Publication Number Publication Date
EP2828601A1 EP2828601A1 (fr) 2015-01-28
EP2828601B1 true EP2828601B1 (fr) 2016-09-21

Family

ID=48040156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13713097.7A Not-in-force EP2828601B1 (fr) 2012-03-21 2013-03-12 Dispositif pour la génération de mouvements de battement ou de pulsation dans des parois tubulaires

Country Status (8)

Country Link
US (1) US20150082563A1 (fr)
EP (1) EP2828601B1 (fr)
CN (1) CN104246419A (fr)
DE (1) DE102012005804A1 (fr)
IN (1) IN2014DN08434A (fr)
RU (1) RU2014140247A (fr)
TW (1) TW201341073A (fr)
WO (1) WO2013139639A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9987667B1 (en) * 2016-01-13 2018-06-05 Torxx Kinetic Pulverizer Limited Anti-caking device
CN106197138A (zh) * 2016-08-31 2016-12-07 重庆赛迪热工环保工程技术有限公司 一种风冷式振打杆
CN109954647B (zh) * 2017-12-26 2020-06-23 中核建中核燃料元件有限公司 一种起振装置及振动设备
EP4022242B1 (fr) * 2019-08-29 2023-07-19 Sumitomo SHI FW Energia Oy Marteau au ressort pour frapper d'une surface
IT202100012674A1 (it) * 2021-05-17 2022-11-17 Francesco Folli Paraurti per pulizia a percussione di caldaie a vapore
KR20240024959A (ko) 2021-06-25 2024-02-26 토륵스 키네틱 펄버라이저 리미티드 폐기물 처리 시설에서 발생하는 미세분 스트림 처리 공정

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Publication number Priority date Publication date Assignee Title
US5282699A (en) * 1992-10-07 1994-02-01 Phoenix Engineering Ltd. Method and apparatus for densification of sands of silts
DE4303484C2 (de) * 1993-02-06 1996-02-08 Steinmueller Gmbh L & C Verfahren und Vorrichtung zum klopfenden Reinigen von Gegenständen
DE19652707C2 (de) 1996-12-18 2000-07-20 Netter Gmbh Pneumatischer Klopfer
JP3657198B2 (ja) * 2001-01-26 2005-06-08 川崎重工業株式会社 石炭ガス化炉における熱交換器伝熱面のダスト払い落とし装置
FI122703B (fi) * 2006-12-14 2012-05-31 Foster Wheeler Energia Oy Likaantuvan pinnan ravistuslaite
CN201596660U (zh) * 2008-12-02 2010-10-06 国际壳牌研究有限公司 振打装置
CN201692969U (zh) * 2008-12-02 2011-01-05 国际壳牌研究有限公司 振打装置
EP2336276B1 (fr) * 2009-12-12 2015-03-11 KOPF SynGas GmbH & Co. KG Refroidisseur de gaz doté d'un dispositif de martelage
DE102010007197B4 (de) 2010-02-09 2017-04-27 Peter Paschmann Klopf- und Schlagvorrichtung an Heizkesseln

Also Published As

Publication number Publication date
DE102012005804A1 (de) 2013-09-26
EP2828601A1 (fr) 2015-01-28
RU2014140247A (ru) 2016-05-10
TW201341073A (zh) 2013-10-16
US20150082563A1 (en) 2015-03-26
CN104246419A (zh) 2014-12-24
IN2014DN08434A (fr) 2015-05-08
WO2013139639A1 (fr) 2013-09-26

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