US1806270A - Apparatus for cleaning tubes - Google Patents

Apparatus for cleaning tubes Download PDF

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Publication number
US1806270A
US1806270A US293842A US29384228A US1806270A US 1806270 A US1806270 A US 1806270A US 293842 A US293842 A US 293842A US 29384228 A US29384228 A US 29384228A US 1806270 A US1806270 A US 1806270A
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United States
Prior art keywords
plunger
tubes
tube
nozzle
pressure
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Expired - Lifetime
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US293842A
Inventor
Thompson Neil
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.)
Elliott Co
Original Assignee
Elliott Co
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Filing date
Publication date
Application filed by Elliott Co filed Critical Elliott Co
Priority to US293842A priority Critical patent/US1806270A/en
Application granted granted Critical
Publication of US1806270A publication Critical patent/US1806270A/en
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Expired - Lifetime legal-status Critical Current

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    • 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
    • F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/10—Treating the inside of pipes
    • F16L2101/12—Cleaning

Definitions

  • This invention relates generally to an ap paratus for cleaning the inside of tubes and more particularly to an apparatus for cleaning mud, silt, soft scale and the like from the inside of tubes of surface condensers.
  • the single figure of the drawing is a longitudinal sectional view of a device employed in the carrying out of my invention.
  • the device comprises a casing designated generally by the numeral 2 and consisting of an upper portion 3 and a lower portion 4.
  • the upper portion 3 of the casing provides a space in which a plunger 5 is slidably arranged.
  • the plunger is connected at its forward or right hand end to a nozzle 6 by means of a screw coupling 7 'At the opposite or left hand end of the plunger 5 the space within the plunger casing 3 is provided with a spring 8 which contacts at its right hand end with a collar 8 screwed onto the plunger to hold the removable liner'8 in place and at its left hand end against a screw plug 9 which forms a closure for the space in which the plunger 5 is slidably mounted.
  • the plunger is further provided with ports 10 which are adapted to cooperate with and aline with a conduit 11 provided in the lower portion 4 of the plunger casing 2 when the plunger is forced to its left hand position.
  • the conduit 11 is connected by means of a screw coupling 12 and tube 13 to a source of fluid. pressure (not shown).
  • This casing and plunger construction constitutes a parallel sleeve type valve.
  • a tube 14 the inside of whichit is desired to clean, is mounted on a tube plate 15.
  • a ferrule 16 is mounted in the tube plate and provides a tight connection between the nozzle 6 and the tube 14: because of packing 17 inserted in an opening in the tube plate between the tube and the ferrule.
  • a number of plugs which preferably are of a resilient nature, such as rubber plugs 18, are inserted into one end of the tubes 14.
  • the nozzle 6 of the device is inserted into the ferrule 16 and pressure is exerted against the device in the direction of the nozzle.
  • my invention provides an apparatus for cleaning soft deposits from the inside of tubes in the practice of which, after inserting plugs into the ends of a number of tubes it is only necessary to in sort the nozzle of the device into the tube and exert pressure on the device in the direction of the nozzle. When the nozzle is withdrawn from one tube the fluid under pressure is immediately cut off and is not used until the nozzle is inserted into another tube. and until pressure is exerted on the device.

Description

May 19, 1931. N. THOMPSON 1,8063% APPARATUS FOR CLEANING TUBES Filed July 19, 1928 Patented May 19, 1931 entree stares PATENT OFFHQE.
NEEL THOMPSON, 0F JEANNETTE, PENNSYLVANIA, ASSIGNOB TO ELLIOTT COMPANY, OF PITTSBURGH, PENNSYLVANIA, A COBPORA'IIQN OF PENNSYLVANIA APPARATUS FOR CLEANING TUBES Application filed July 19, 1928. Serial No. 293,842.
This invention relates generally to an ap paratus for cleaning the inside of tubes and more particularly to an apparatus for cleaning mud, silt, soft scale and the like from the inside of tubes of surface condensers.
In the use of such apparatus as surface condensers water circulates through the inside ofthe tubes and this water after a time deposits soft scale and mud within the tubes so that it is necessary from time to time to remove such deposits. I have found that these deposits may be removed by inserting a plug into one end of the tube and forcing the plug through the tube under the influence of a fluid under pressure. The plugs which I prefer to employ are of a resilient nature and may advantageously be made of rubber. I prefer to employ air under pressure as the fluid for forcing the plugs through the tubes which are to be cleaned.
The single figure of the drawing is a longitudinal sectional view of a device employed in the carrying out of my invention.
Referring to the drawing the device comprises a casing designated generally by the numeral 2 and consisting of an upper portion 3 and a lower portion 4. The upper portion 3 of the casing provides a space in which a plunger 5 is slidably arranged. The plunger is connected at its forward or right hand end to a nozzle 6 by means of a screw coupling 7 'At the opposite or left hand end of the plunger 5 the space within the plunger casing 3 is provided with a spring 8 which contacts at its right hand end with a collar 8 screwed onto the plunger to hold the removable liner'8 in place and at its left hand end against a screw plug 9 which forms a closure for the space in which the plunger 5 is slidably mounted. The plunger is further provided with ports 10 which are adapted to cooperate with and aline with a conduit 11 provided in the lower portion 4 of the plunger casing 2 when the plunger is forced to its left hand position. The conduit 11 is connected by means of a screw coupling 12 and tube 13 to a source of fluid. pressure (not shown). This casing and plunger construction constitutes a parallel sleeve type valve.
. A tube 14, the inside of whichit is desired to clean, is mounted on a tube plate 15. A ferrule 16 is mounted in the tube plate and provides a tight connection between the nozzle 6 and the tube 14: because of packing 17 inserted in an opening in the tube plate between the tube and the ferrule.
In cleaning the insides of tubes in accordance with my invention, a number of plugs which preferably are of a resilient nature, such as rubber plugs 18, are inserted into one end of the tubes 14. The nozzle 6 of the device is inserted into the ferrule 16 and pressure is exerted against the device in the direction of the nozzle.
This pressure forces the plunger 5 to the left as shown in the drawing, thus compressing the spring 8 and alining the ports 10 of theplunger with the conduit 11 connected to a source of fluid pressure. The fluid pressure is thus admitted through the conduit 11, port 10, plunger 5 and nozzle (5 into the tube 14 and forces the plug 17 through the tube, thus expelling the deposits from the inside of the tube. Upon the release of pressure against the device or the withdrawal of the nozzle from the ferrule the spring 8 which has been compressed forces the plunger 5 to the right as shown in the drawing, thus closing the ports 10 from the. conduit 11. This the spring readily accomplishes, since the valve is obviously of such construction that it is balanced with respect to pressure.
It will be seen that my invention provides an apparatus for cleaning soft deposits from the inside of tubes in the practice of which, after inserting plugs into the ends of a number of tubes it is only necessary to in sort the nozzle of the device into the tube and exert pressure on the device in the direction of the nozzle. When the nozzle is withdrawn from one tube the fluid under pressure is immediately cut off and is not used until the nozzle is inserted into another tube. and until pressure is exerted on the device.
uferredembodim'ent Ofiny invention, it'isto be understood thattheihvention is not so limitedbut maybeotherwiseembodiedWithin V the scope of the following claim. r
I claim: I A device foridrivlng slugsthrough tubes,
comprising a hollow casingha-ving a port communicating with a fiuldpressuresupply pipe, va;hollow plunger slidablyimounted in said easing carrying a nozzle atlits fqi ward f end, said plunger normally closing the port ",inf said easing, resilient ineaneto. hold said plunger in normal position; said plunger having a port adapted to communicate-with" i the port in saidc'asing when said casing is j forced forward TonSaid'plunger against said .resillent means.
' lntestimony'whereefl he ehereunto set r NEIVLITHVOMPSON. '1
US293842A 1928-07-19 1928-07-19 Apparatus for cleaning tubes Expired - Lifetime US1806270A (en)

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US293842A US1806270A (en) 1928-07-19 1928-07-19 Apparatus for cleaning tubes

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879771A (en) * 1973-05-22 1975-04-29 Three Bond Co Ltd Hydraulic ram
US4724007A (en) * 1983-08-19 1988-02-09 Lacress Nominees Pty. Ltd. Method of cleaning pipes and tubes by pigging using water hammer shock waves
US4898197A (en) * 1983-03-11 1990-02-06 Lacress Nominees Pty. Ltd. Cleaning of tubes using projectiles
US4974277A (en) * 1989-09-14 1990-12-04 Technic Pty., Ltd. Pneumatic gun
WO1992002310A1 (en) * 1990-08-10 1992-02-20 Compri Technic Pty. Ltd. Improved pneumatic gun and projectiles therefor
US5192595A (en) * 1991-08-13 1993-03-09 Gmfanuc Robotics Corporation Method for the productive utilization of paint in a paint supply line utilizing a cleaning slug in production paint operations
US5448795A (en) * 1994-07-29 1995-09-12 Boughal; Sean Condenser tube cleaner
AU663294B2 (en) * 1990-08-10 1995-10-05 Compri Technic Pty Ltd Improved pneumatic gun and projectiles therefor
US5460154A (en) * 1993-09-10 1995-10-24 Earth Resources Corporation Method for pneumatically propelling a projectile substance
WO1996018465A1 (en) * 1994-12-16 1996-06-20 Pneumatic Systems International Pty. Ltd. Interlocking multipurpose airtool
USD385617S (en) * 1996-03-20 1997-10-28 Compri Technic Pty. Ltd. Pneumatic gun nozzle
US5715803A (en) * 1993-04-30 1998-02-10 Earth Resources Corporation System for removing hazardous contents from compressed gas cylinders
US5743246A (en) * 1993-09-10 1998-04-28 Earth Resources Corporation Cannon for disarming an explosive device
US5826631A (en) * 1984-11-08 1998-10-27 Earth Resources Corporation Cylinder rupture vessel
US5868174A (en) * 1997-07-28 1999-02-09 Earth Resources Corporation System for accessing and extracting contents from a container within a sealable recovery vessel
US5900216A (en) * 1996-06-19 1999-05-04 Earth Resources Corporation Venturi reactor and scrubber with suckback prevention
US6164344A (en) * 1997-07-28 2000-12-26 Earth Resources Corporation Sealable recovery vessel system and method for accessing valved containers
US6240981B1 (en) 1993-05-28 2001-06-05 Earth Resources Corporation Apparatus and method for controlled penetration of compressed fluid cylinders
US7996946B1 (en) 2005-11-02 2011-08-16 Bruce Riley Cleaning projectile verification system
US8146193B1 (en) * 2010-11-29 2012-04-03 Goodway Technologies Corporation Launcher for tube cleaning projectiles
US20190264994A1 (en) * 2018-02-28 2019-08-29 Projectile Tube Cleaning, Inc. Tube Cleaning Gun with Self-Sealing Nozzle
US11143343B2 (en) * 2019-05-30 2021-10-12 Bridgeport Fittings, Llc Adjustable transition coupler

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879771A (en) * 1973-05-22 1975-04-29 Three Bond Co Ltd Hydraulic ram
US4898197A (en) * 1983-03-11 1990-02-06 Lacress Nominees Pty. Ltd. Cleaning of tubes using projectiles
US4724007A (en) * 1983-08-19 1988-02-09 Lacress Nominees Pty. Ltd. Method of cleaning pipes and tubes by pigging using water hammer shock waves
US5826631A (en) * 1984-11-08 1998-10-27 Earth Resources Corporation Cylinder rupture vessel
US4974277A (en) * 1989-09-14 1990-12-04 Technic Pty., Ltd. Pneumatic gun
US5555585A (en) * 1990-08-10 1996-09-17 Compri Technic Pty., Ltd. Pneumatic gun and projectiles therefor
WO1992002310A1 (en) * 1990-08-10 1992-02-20 Compri Technic Pty. Ltd. Improved pneumatic gun and projectiles therefor
US5329660A (en) * 1990-08-10 1994-07-19 Compri Technic Pty. Ltd. Pneumatic gun and projectiles therefor
AU663294B2 (en) * 1990-08-10 1995-10-05 Compri Technic Pty Ltd Improved pneumatic gun and projectiles therefor
US5192595A (en) * 1991-08-13 1993-03-09 Gmfanuc Robotics Corporation Method for the productive utilization of paint in a paint supply line utilizing a cleaning slug in production paint operations
US5289947A (en) * 1991-08-13 1994-03-01 Fanuc Robotics North America, Inc. System for the productive utilization of paint in a paint supply line, changing paint colors and cleaning the paint lines in production paint operations
US5715803A (en) * 1993-04-30 1998-02-10 Earth Resources Corporation System for removing hazardous contents from compressed gas cylinders
US6240981B1 (en) 1993-05-28 2001-06-05 Earth Resources Corporation Apparatus and method for controlled penetration of compressed fluid cylinders
US5460154A (en) * 1993-09-10 1995-10-24 Earth Resources Corporation Method for pneumatically propelling a projectile substance
US5743246A (en) * 1993-09-10 1998-04-28 Earth Resources Corporation Cannon for disarming an explosive device
US5785038A (en) * 1993-09-10 1998-07-28 Earth Resources Corporation Cannon for disarming an explosive device
US5448795A (en) * 1994-07-29 1995-09-12 Boughal; Sean Condenser tube cleaner
US5974611A (en) * 1994-12-16 1999-11-02 Penumatic Systems International Pty Ltd. Interlocking multipurpose airtool
WO1996018465A1 (en) * 1994-12-16 1996-06-20 Pneumatic Systems International Pty. Ltd. Interlocking multipurpose airtool
USD385617S (en) * 1996-03-20 1997-10-28 Compri Technic Pty. Ltd. Pneumatic gun nozzle
US5900216A (en) * 1996-06-19 1999-05-04 Earth Resources Corporation Venturi reactor and scrubber with suckback prevention
US6139806A (en) * 1996-06-19 2000-10-31 Earth Resources Corporation Venturi reactor and scrubber with suckback prevention
US5868174A (en) * 1997-07-28 1999-02-09 Earth Resources Corporation System for accessing and extracting contents from a container within a sealable recovery vessel
US6164344A (en) * 1997-07-28 2000-12-26 Earth Resources Corporation Sealable recovery vessel system and method for accessing valved containers
US6308748B1 (en) 1997-07-28 2001-10-30 Earth Resources Corporation Sealable recovery vessel system and method for accessing valved containers
US7996946B1 (en) 2005-11-02 2011-08-16 Bruce Riley Cleaning projectile verification system
US8146193B1 (en) * 2010-11-29 2012-04-03 Goodway Technologies Corporation Launcher for tube cleaning projectiles
US20190264994A1 (en) * 2018-02-28 2019-08-29 Projectile Tube Cleaning, Inc. Tube Cleaning Gun with Self-Sealing Nozzle
US11236958B2 (en) * 2018-02-28 2022-02-01 Projectile Tube Cleaning, Inc. Tube cleaning gun with self-sealing nozzle
US11143343B2 (en) * 2019-05-30 2021-10-12 Bridgeport Fittings, Llc Adjustable transition coupler

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