EP1213055A1 - Buse pour système de forage d'injection à haute pression et outil de forage d'injection à haute pression - Google Patents

Buse pour système de forage d'injection à haute pression et outil de forage d'injection à haute pression Download PDF

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Publication number
EP1213055A1
EP1213055A1 EP01128905A EP01128905A EP1213055A1 EP 1213055 A1 EP1213055 A1 EP 1213055A1 EP 01128905 A EP01128905 A EP 01128905A EP 01128905 A EP01128905 A EP 01128905A EP 1213055 A1 EP1213055 A1 EP 1213055A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
injection nozzle
injection
fluid
fluid channel
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.)
Granted
Application number
EP01128905A
Other languages
German (de)
English (en)
Other versions
EP1213055B1 (fr
Inventor
Günter Fennel
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.)
Boart Longyear GmbH and Co KG
Original Assignee
Boart Longyear GmbH and Co KG Hartmetallwerkzeugfabrik
Boart HWF GmbH and Co KG Hartmetallwerkzeugfabrik
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 Boart Longyear GmbH and Co KG Hartmetallwerkzeugfabrik, Boart HWF GmbH and Co KG Hartmetallwerkzeugfabrik filed Critical Boart Longyear GmbH and Co KG Hartmetallwerkzeugfabrik
Publication of EP1213055A1 publication Critical patent/EP1213055A1/fr
Application granted granted Critical
Publication of EP1213055B1 publication Critical patent/EP1213055B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3402—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to avoid or to reduce turbulencies, e.g. comprising fluid flow straightening means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0078—Nozzles used in boreholes

Definitions

  • the invention relates to an injection nozzle for high-pressure injection drilling systems according to the preamble of claim 1 and a high-pressure injection drilling tool with such an injection nozzle according to the preamble of Claim 11.
  • the known injection nozzles that are used for such systems have a fluid channel with a round inner cross section. To be as possible large blocks of concrete have been tried with little success, by extending the injection nozzles or extending through them extending fluid channel to bundle the injection jet to larger diameters to reach.
  • a high pressure injection nozzle is therefore proposed in DE 199 22 820 A1, in which a blocking element in the form of a cross directly in the nozzle body is arranged before the fluid exits the nozzle.
  • the nozzle has a narrow feed channel that extends in the direction of flow of the fluid over a Entry section into a nozzle space expanded in a funnel shape.
  • In one yourself then increase the inside diameter of the nozzle Exit section is then arranged the locking element.
  • the shape of the fluid hits the locking element and at high speed is slowed down and divided.
  • a satisfactory bundling of the Fluid jet does not take place. Rather, the fluid jet loses energy and Exit speed and therefore length.
  • the invention is therefore concerned with the problem of an injection nozzle for High pressure injection drilling systems or a high pressure injection drilling tool to create concrete blocks with the largest possible diameter to create.
  • the non-circular internal cross-sectional shape of the fluid channel of the invention newly developed injection nozzle brakes the resulting vertebrae within the Nozzle and thus bundles the injection jet over the entire length of the nozzle to the outlet, so that a calm, uniform jet without turbulence Leaves nozzle that remains sharp over a long length. This allows significantly larger concrete block diameters can be achieved and it must fewer holes are drilled to the same concrete platform area cover. The construction times and construction costs are reduced considerably.
  • Injection nozzles whose inner cross section into the fluid channel are particularly effective protruding guiding profiles, since these the resulting vertebrae brake particularly well.
  • Preferred designs are therefore injection nozzles in the fluid channel protruding wings or wedge-like guide profiles that at contiguous arrangement a star-shaped inner cross section of the Fluid channel result.
  • the vortex braking and bundling effect is particularly great when the guide profiles are rib-shaped and preferably over the entire length of the nozzle extend.
  • nozzle insert which is inserted into and with the nozzle body for example by screwing, soldering or gluing. Manufacturing the nozzle insert from hard metal extends its service life and thus reduces any set-up times for a change.
  • the high-pressure injection drilling tool shown in Fig. 1 consists of a Drill pipe 1 through which a fluid line 2 extends. front panel a drill bit 3 is arranged on the drill pipe 1. In the direction of fluid flow 4 in front of the drill bit 3 there are injection nozzles 5 with a nozzle body 6, in which a nozzle insert 7 is inserted.
  • the nozzle insert 7 is shown in more detail in FIGS. 4 and 5. Through the nozzle insert 7 extends a fluid channel 8 which - as can be seen in FIGS. 2 to 4 is - a non-circular over the entire length L of the fluid channel 8 constant Has internal cross section.
  • Fig. 6 shows various non-circular inner cross-sectional shapes, all of which in the fluid jet during the deflection from the fluid line 2 into the fluid channel 8 brake the resulting vortices and thereby concentrate the fluid jet.
  • the guide profiles 9 are wedge-shaped and arranged close together so that there is a star-shaped inner cross section results.
  • the guide profiles 9 form trains 10 and fields 9 '. at the embodiment according to FIGS. 6f and 2 to 5 are the guide profiles wing-like and protrude far into the interior of the fluid channel 8.
  • the Eddy braking effect and the associated bundling of the fluid jet is particularly pronounced in this embodiment.
  • the number of guiding profiles is limits. Even a single guiding profile already has a positive effect. embodiments with three or four guide profiles, however, lead to a special one good bundling of the fluid jet.
  • the injection nozzle preferably has one Inlet section 11, which is connected upstream of the fluid channel 8. This creates a smooth transition of the cross-sectional constriction from the fluid line 2 in the fluid channel 8. This narrowing of the cross section of the Inlet section 11, viewed from the inside of the nozzle, is convexly rounded.
  • the guide profiles 9 can also, as indicated by dashed lines in FIG. 5, already start in the inlet section 11, which already prevents in this area will cause an undesirable swirl or swirl to form in the fluid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Soil Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Nozzles (AREA)
EP01128905A 2000-12-06 2001-12-05 Buse pour système de forage d'injection à haute pression et outil de forage d'injection à haute pression Expired - Lifetime EP1213055B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20020783U 2000-12-06
DE20020783U DE20020783U1 (de) 2000-12-06 2000-12-06 Injektionsdüse für Hochdruckinjektionsbohrsysteme sowie Hochdruckinjektionsbohrwerkzeug

Publications (2)

Publication Number Publication Date
EP1213055A1 true EP1213055A1 (fr) 2002-06-12
EP1213055B1 EP1213055B1 (fr) 2007-06-13

Family

ID=7949802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01128905A Expired - Lifetime EP1213055B1 (fr) 2000-12-06 2001-12-05 Buse pour système de forage d'injection à haute pression et outil de forage d'injection à haute pression

Country Status (4)

Country Link
EP (1) EP1213055B1 (fr)
AT (1) ATE364450T1 (fr)
DE (2) DE20020783U1 (fr)
ES (1) ES2287066T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10351893B2 (en) 2015-10-05 2019-07-16 GeneWeave Biosciences, Inc. Reagent cartridge for detection of cells

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6851632B2 (en) * 2003-01-24 2005-02-08 Spraying Systems Co. High-pressure cleaning spray nozzle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494618A (en) * 1982-09-30 1985-01-22 Strata Bit Corporation Drill bit with self cleaning nozzle
US4687066A (en) * 1986-01-15 1987-08-18 Varel Manufacturing Company Rock bit circulation nozzle
US4703814A (en) * 1986-01-16 1987-11-03 Hughes Tool Company - Usa Earth boring bit having a replaceable, threaded nozzle with wrench socket
EP0565411A1 (fr) * 1992-04-06 1993-10-13 Sondages Injections Forages "S.I.F." Entreprise Bachy Procédé de réalisation d'écrans d'étanchéité souterrains, et écrans ainsi produits
US5256004A (en) * 1990-07-31 1993-10-26 Fondazioni Speciali, S.R.L. Method of forming consolidated earth columns by injection and the relevant plant and column
DE19922820A1 (de) 1999-05-19 2000-12-07 Innovations Gmbh As Hochdruckinjektionsdüse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3207197A1 (de) * 1982-02-27 1983-09-08 Fried. Krupp Gmbh, 4300 Essen Vorrichtung zur erzeugung eines spruehstrahls
DE3737259C1 (en) * 1987-11-03 1989-03-16 Bauer Spezialtiefbau Apparatus and method for high-pressure injection
DE3806407C2 (de) * 1988-02-29 1995-08-31 Keller Grundbau Gmbh Vorrichtung zur Herstellung von durch Zugabe von Binde- oder Abdichtmitteln verdichteten Bodenabschnitten
DE19747908A1 (de) * 1997-10-30 1999-05-06 Tubag Trass Zement Stein Düse zum Aufbringen von Mörtel
DE19821449A1 (de) * 1998-05-13 1999-11-18 Loegel Charles Vorrichtung zum Verbessern der Wirksamkeit schnell strömender Medien und Verwendung als Hochdruck-Düse zum Erzeugen eines Hochdruck-Flüssigkeitsstrahles sowie andere Verwendungen
DE19918257A1 (de) * 1999-04-22 2000-11-23 Lechler Gmbh & Co Kg Hochdrucksprühdüse

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494618A (en) * 1982-09-30 1985-01-22 Strata Bit Corporation Drill bit with self cleaning nozzle
US4687066A (en) * 1986-01-15 1987-08-18 Varel Manufacturing Company Rock bit circulation nozzle
US4703814A (en) * 1986-01-16 1987-11-03 Hughes Tool Company - Usa Earth boring bit having a replaceable, threaded nozzle with wrench socket
US5256004A (en) * 1990-07-31 1993-10-26 Fondazioni Speciali, S.R.L. Method of forming consolidated earth columns by injection and the relevant plant and column
EP0565411A1 (fr) * 1992-04-06 1993-10-13 Sondages Injections Forages "S.I.F." Entreprise Bachy Procédé de réalisation d'écrans d'étanchéité souterrains, et écrans ainsi produits
DE19922820A1 (de) 1999-05-19 2000-12-07 Innovations Gmbh As Hochdruckinjektionsdüse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10351893B2 (en) 2015-10-05 2019-07-16 GeneWeave Biosciences, Inc. Reagent cartridge for detection of cells
EP3359291B1 (fr) * 2015-10-05 2020-01-15 Roche Diagnostics GmbH Cartouche de réactif pour la détection de cellules

Also Published As

Publication number Publication date
EP1213055B1 (fr) 2007-06-13
ES2287066T3 (es) 2007-12-16
DE50112623D1 (de) 2007-07-26
ATE364450T1 (de) 2007-07-15
DE20020783U1 (de) 2002-05-02

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