WO2006039410A2 - Collecteur a canon a air - Google Patents

Collecteur a canon a air Download PDF

Info

Publication number
WO2006039410A2
WO2006039410A2 PCT/US2005/035036 US2005035036W WO2006039410A2 WO 2006039410 A2 WO2006039410 A2 WO 2006039410A2 US 2005035036 W US2005035036 W US 2005035036W WO 2006039410 A2 WO2006039410 A2 WO 2006039410A2
Authority
WO
WIPO (PCT)
Prior art keywords
manifold
exhaust
air cannon
inlet
housing
Prior art date
Application number
PCT/US2005/035036
Other languages
English (en)
Other versions
WO2006039410A3 (fr
Inventor
Jefferson Shelton
Chris Landers
Original Assignee
Halcyon Technologies, Inc
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 Halcyon Technologies, Inc filed Critical Halcyon Technologies, Inc
Publication of WO2006039410A2 publication Critical patent/WO2006039410A2/fr
Publication of WO2006039410A3 publication Critical patent/WO2006039410A3/fr

Links

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
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • F28G1/166—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from external surfaces of heat exchange conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/80—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes
    • F41B11/87—Compressed-gas guns, e.g. air guns; Steam guns specially adapted for particular purposes for industrial purposes, e.g. for surface treatment

Definitions

  • the instant invention relates to air cannons used for cleaning and preventing the
  • the instant invention relates to a manifold for selectively directing
  • a large volume of air is exhausted in a short period of time through a access port in the vessel
  • an air cannon assembly is moved from access port to access port to clean the respective areas of
  • the typical air cannon is mounted in close proximity to the vessel, and most
  • the initial space requirements may be reduced for new installations employing the air cannon manifold of the present invention.
  • the air cannon manifold of the present invention further permits the
  • the air cannon manifold of the present invention enables rapid charging of
  • the reservoir to permit a single reservoir to service a plurality of cleaning ports or to permit
  • FIG. 1 is a perspective view of an air cannon manifold and an air reservoir
  • FIG. 2 is a side view of an air cannon manifold
  • FIG. 3 is a perspective view of the air cannon manifold from an input side, with
  • FIG. 4 is a partial sectional view of an exhaust valve
  • FIG. 5 is a partial sectional view of an inlet valve
  • FIG. 6 is a partial sectional view of an inlet valve and exhaust valve in their open
  • FIG. 7 is a schematic diagram for sequentially selecting an exhaust port to be
  • FIG. 8 is a schematic diagram for monitoring and signaling alarm conditions of
  • the air cannon manifold 10 may be seen in greater detail in FIGS. 2-6. As
  • air cannon manifold 10 comprises a housing 14, defining a plenum therein.
  • port 20 extends through a first wall 15 in housing 14 and receives high volume pressurized air
  • a source such as a pressurized air reservoir 11 via an inlet duct 12, such as the elbow
  • Inlet duct 12 may be a pipe or similar conduit and may be
  • inlet valve 21 is best seen in FIGS. 5 and 6, and
  • inlet valve actuator 22 such as a pneumatic cylinder or the like attached to second
  • shaft 23 is extensible through an inlet actuator bore 24 defined in the second wall 16 of manifold
  • inlet valve seal 25 is attached to a distal end of inlet
  • actuator shaft 23 is selectively positioned by inlet valve actuator 22 for sealing engagement
  • inlet seat 26 defined on an interior face of first wall 15.
  • inlet valve seal 25 will be dimensioned to be larger than inlet valve seal 25, to facilitate removal of inlet valve 21 for servicing or replacing this component.
  • Air cannon manifold 10 further defines a plurality of exhaust ports 30 in a second
  • Exhaust ducts 13 are connected to exhaust ports 30 to communicate the
  • ducts 13 may be a pipe or similar conduit and may be bolted to manifold 10 through an exhaust
  • An exhaust valve 31 is provided for each exhaust
  • port 30 to control the flow of air delivered by manifold 10 to a desired access port in vessel
  • Exhaust valves 31 are selectively positionable to open and close their
  • exhaust valves 31 comprise an
  • exhaust valve actuator 32 such as a pneumatic cylinder, attached to housing first wall 15 and
  • An exhaust actuator shaft 33 is extensible through
  • exhaust actuator bore 34 defined through first wall 15. Exhaust valve seals 35 are attached to
  • exhaust actuator shafts 33 are selectively urged against exhaust port seats
  • exhaust actuator bore 34 is
  • exhaust valve seal 35 preferably dimensioned to be larger than exhaust valve seal 35 to facilitate removal of exhaust
  • a protective ring 43 may also be
  • first wall 15 coaxial with actuator bore 34, and extending inwardly
  • exhaust valve seal 35 may be retracted
  • Each exhaust valve 31 is independently controllable to permit selective
  • seals 25 and 35 comprise a
  • portion 41 has a diameter smaller than that of the inner diameter of the respective inlet port 20 or
  • exhaust port 30 to facilitate positive alignment of the seals 25, 35 in the respective ports 20, 30.
  • the chamfered disk portion 42 has a diameter greater than disk portion 41, and provides for sealing engagement with the respective valve seat 26, 36. More preferably, chamfered portion 42
  • valve is made of a resilient material to improve its sealing engagement as it is urged against the valve
  • This arrangement also provides an advantage in that the positioning of the
  • the sequential firing cycle is initiated at II, which initiates an air reservoir 11 charging cycle, B02 through Q6, and exhaust port 1 activation cycle,
  • the exhaust port 1 activation cycle delays opening of a first exhaust valve 30
  • the first exhaust valve 30 is activated and is held open for a sufficient period of time.
  • inlet valve 20 is opened, permitting the rapid venting
  • a third exhaust port 30 is activated in like manner and restarts the sequenced
  • inlet port 20 This may be accomplished by temporarily closing a valve to block the
  • inlet valve seal 25 alignment of inlet valve seal 25 as residual air flow through inlet port may cause misalignment of inlet valve seal 25.
  • blast cannon manifold controller 50 would be specifically targeted to
  • the blast manifold controller 50 may also provide

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Fluid-Driven Valves (AREA)
  • Cleaning In General (AREA)

Abstract

L'invention concerne un dispositif de nettoyage des dépôts sur les surfaces intérieures d'une cuve industrielle, telle qu'un four. Ce dispositif utilise un collecteur à canon à air qui dirige et ventile sélectivement un important volume de fluide pressurisé en direction de l'un ou de l'ensemble de la pluralité d'orifices d'accès formés sur la cuve, le fluide pressurisé étant orienté vers les dépôts pour les empêcher de s'accumuler ou d'adhérer aux parois de la cuve. Par ailleurs, un contrôleur permet de sélectionner un orifice d'évacuation précis pour diriger le fluide pressurisé vers les orifices d'accès et pour séquencer une valve d'admission en coopération avec l'orifice d'évacuation souhaité.
PCT/US2005/035036 2004-10-01 2005-09-30 Collecteur a canon a air WO2006039410A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/956,741 2004-10-01
US10/956,741 US20060070722A1 (en) 2004-10-01 2004-10-01 Air cannon manifold

Publications (2)

Publication Number Publication Date
WO2006039410A2 true WO2006039410A2 (fr) 2006-04-13
WO2006039410A3 WO2006039410A3 (fr) 2007-11-22

Family

ID=36124382

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/035036 WO2006039410A2 (fr) 2004-10-01 2005-09-30 Collecteur a canon a air

Country Status (2)

Country Link
US (1) US20060070722A1 (fr)
WO (1) WO2006039410A2 (fr)

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US8001994B2 (en) * 2008-04-14 2011-08-23 Martin Engineering Company Gas channeling device for directing blasts of gas through alternative outlet passageways and method therefor
US8904594B2 (en) 2011-09-21 2014-12-09 Martin Engineering Company Air cannon assembly having an automated blast guard valve
CN102564226B (zh) * 2011-12-31 2014-04-02 中北大学 带有可调变容积的高压腔体的空气炮
CN102564227B (zh) * 2011-12-31 2015-03-18 中北大学 空气炮用可调变容积的高压腔体
GB201223006D0 (en) * 2012-12-20 2013-01-30 Roots Noel L A spring powered gas operated weapon

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Also Published As

Publication number Publication date
WO2006039410A3 (fr) 2007-11-22
US20060070722A1 (en) 2006-04-06

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