EP1213055B1 - Nozzle for high pressure injection drill system and high pressure injection drill tool - Google Patents
Nozzle for high pressure injection drill system and high pressure injection drill tool Download PDFInfo
- Publication number
- EP1213055B1 EP1213055B1 EP01128905A EP01128905A EP1213055B1 EP 1213055 B1 EP1213055 B1 EP 1213055B1 EP 01128905 A EP01128905 A EP 01128905A EP 01128905 A EP01128905 A EP 01128905A EP 1213055 B1 EP1213055 B1 EP 1213055B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- injection nozzle
- nozzle
- fluid channel
- injection
- fluid
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 49
- 239000007924 injection Substances 0.000 title claims abstract description 49
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 238000005553 drilling Methods 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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 Hochdruckinjedgingsbohrsysteme according to the preamble of claim 1 and a Hochchristinjedgingsbohrtechnikzeug with such an injection nozzle according to the preamble of claim 11.
- cement slurry is injected into the ground to create a watertight concrete platform prior to excavation.
- the fluid namely the cement slurry is pumped down through the fluid line of a Hochlichinjedgingsbohrwerkmaschinectiones and injected via at least one connected to the fluid line injection nozzle on the rotating Hochtikinjetechnischsbohrwerkmaschinezeug circularly around it, so that a circular concrete block is formed.
- the concrete platform to be built is formed by a large number of concrete blocks, which overlap one another. The larger the diameter of the individual concrete blocks, the fewer holes must be drilled to obtain the desired concrete platform size.
- the known injection nozzles which are used for such systems, have a fluid channel with a round inner cross-section.
- attempts have already been made without great success to concentrate the injection jet by lengthening the injection nozzles or the fluid channel extending therethrough in order to achieve larger diameters.
- a high-pressure injection nozzle in which a blocking element in the form of a cross is arranged in the nozzle body immediately before the exit of the fluid from the nozzle.
- the nozzle has a narrow feed channel which widens in the direction of flow of the fluid via an inlet portion into a nozzle chamber in a funnel shape.
- the inner diameter of the nozzle even further enlarging outlet section then the blocking element is arranged.
- the fluid hits the blocking element at high speed and is thereby braked and split. A satisfactory bundling of the fluid jet does not take place. Rather, the fluid jet loses energy and exit velocity and thus length.
- a generic injection nozzle is in the US-A-5,256,004 described.
- the invention therefore addresses the problem of providing an injection nozzle for Hochdruckinjedgingsbohrsysteme or a Hochdruckinjedgingmiesbohrwerkmaschine, which makes it possible to create concrete blocks with the largest possible diameter.
- the non-circular internal cross-sectional shape of the fluid channel of the newly developed injection nozzle brakes the resulting vortex within the nozzle and thus bundles the injection jet over the entire nozzle length to the outlet, so that a smooth uniform jet without turbulence leaves the nozzle, which still remains sharp over a large length ,
- significantly larger concrete block diameters can be achieved and fewer holes must be made to cover the same concrete platform surface.
- the construction times and construction costs are reduced considerably.
- Injection nozzles whose inner cross-section has guide profiles projecting into the fluid channel are particularly effective, since they brake the generated vortices particularly well.
- Preferred designs are therefore injection nozzles with wings projecting into the fluid channel or wedge-like guide profiles, which, when arranged adjacently, result in a star-shaped inner cross section of the fluid channel.
- the Wirbelbrems- and bundling effect is particularly large when the guide profiles are rib-shaped and preferably extend over the entire nozzle length.
- the walls of the fluid channel are exposed to high wear by the cement slurry, it is advantageous to form the fluid channel in a separate nozzle insert, which is inserted into the nozzle body and connected thereto, for example by screwing, soldering or gluing.
- a production of the nozzle insert made of carbide extends its service life and thus reduces possible set-up times for a change.
- the high-pressure injection drilling tool shown in FIG. 1 consists of a drill string 1, through which a fluid line 2 extends. Front side of the drill pipe 1 a drill bit 3 is arranged. In the direction of fluid flow 4 in front of the drill bit 3 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 - has a non-circular over the entire length L of the fluid channel 8 constant inner cross-section.
- Fig. 6 shows various non-circular inner cross-sectional shapes, all of which brake the resulting in the fluid jet during the deflection of the fluid line 2 in the fluid passage 8 vortex and bundle the fluid jet thereby.
- the fluid channel has guide profiles 9 projecting into it, as in the embodiments of FIGS. 6d to 6f.
- the guide profiles 9 are wedge-shaped and arranged close together, so that there is a star-shaped inner cross-section.
- the guide profiles 9 form trains 10 and fields 9 '.
- the guide profiles are wing-like and protrude far into the interior of the fluid channel 8.
- the swirl braking effect and the associated bundling of the fluid jet is particularly pronounced in this embodiment.
- the number of guide profiles is not limited to three. Even a single guide profile already achieves a positive effect. However, embodiments with three or four guide profiles lead to a particularly good bundling of the fluid jet.
- the injection nozzle preferably has an inlet section 1, which is connected upstream of the fluid channel 8. This creates a smooth transition of the cross-sectional constriction of the fluid line 2 in the fluid channel 8. Energetically low, this cross-sectional constriction of the inlet portion 11 is viewed from the inside of the nozzle convex rounded.
- the guide profiles 9 can also begin as indicated in dashed lines in Fig. 5 already in the inlet section 11, thereby preventing even in this area that form an undesirable spin or turbulence in the fluid.
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- 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)
Abstract
Description
Die Erfindung betrifft eine Injektionsdüse für Hochdruckinjektionsbohrsysteme nach dem Oberbegriff des Anspruchs 1 sowie ein Hochdruckinjektionsbohrwerkzeug mit einer derartigen Injektionsdüse nach dem Oberbegriff des Anspruchs 11.The invention relates to an injection nozzle for Hochdruckinjektionsbohrsysteme according to the preamble of claim 1 and a Hochdruckinjektionsbohrwerkzeug with such an injection nozzle according to the preamble of
Mit den bekannten Hochdruckinjektionsbohrsystemen wird nach dem Abbohren eines Bohrstrangs in bis zu 30 Metern Tiefe mit über 400 bar Druck Zementschlämme ins Erdreich injiziert, um vor dem Baugrubenaushub eine wasserdichte Betonplattform zu erstellen. Dazu wird durch die Fluidleitung eines Hochdruckinjektionsbohrwerkzeuges das Fluid, nämlich die Zementschlämme, hinabgepumpt und über zumindest eine mit der Fluidleitung verbundene Injektionsdüse über das sich drehende Hochdruckinjektionsbohrwerkzeug kreisförmig um dieses herumgespritzt, so daß ein kreisförmiger Betonblock entsteht. Die zu erstellende Betonplattform wird durch viele aneinandergereihte Betonblöcke gebildet, die sich gegenseitig teilweise überschneiden. Je größer der Durchmesser der einzelnen Betonblöcke ist, umso weniger Bohrungen müssen niedergebracht werden, um die gewünschte Betonplattformgröße zu erhalten.Using well-known high-pressure injection drilling systems, after drilling a drill string down to a depth of 30 meters with a pressure of over 400 bar, cement slurry is injected into the ground to create a watertight concrete platform prior to excavation. For this purpose, the fluid, namely the cement slurry is pumped down through the fluid line of a Hochdruckinjektionsbohrwerkzeuges and injected via at least one connected to the fluid line injection nozzle on the rotating Hochdruckinjektionsbohrwerkzeug circularly around it, so that a circular concrete block is formed. The concrete platform to be built is formed by a large number of concrete blocks, which overlap one another. The larger the diameter of the individual concrete blocks, the fewer holes must be drilled to obtain the desired concrete platform size.
Die bekannten Injektionsdüsen, die für derartige Systeme eingesetzt werden, weisen einen Fluidkanal mit einem runden Innenquerschnitt auf. Um möglichst große Betonblöcke zu erhalten, hat man bereits ohne großen Erfolg versucht, durch Verlängerung der Injektionsdüsen bzw. des sich durch diese hindurch erstreckenden Fluidkanals den Injektionsstrahl zu bündeln, um größere Durchmesser zu erreichen.The known injection nozzles, which are used for such systems, have a fluid channel with a round inner cross-section. In order to obtain concrete blocks as large as possible, attempts have already been made without great success to concentrate the injection jet by lengthening the injection nozzles or the fluid channel extending therethrough in order to achieve larger diameters.
Es hat sich gezeigt, daß bei den herkömmlichen Injektionsdüsen in dem zu injizierenden Fluid durch dessen annähernd rechtwinklige Umleitung aus der Fluidleitung des Bohrgestänges in den Fluidkanal der Injektionsdüse Wirbel entstehen, durch die der Injektionsstrahl bei Verlassen der Injektionsdüse frühzeitig aufsprüht und an Wirkung verliert, so daß sich nur geringe Betonblockdurchmesser ergeben.It has been found that in the conventional injection nozzles in the fluid to be injected by its approximately rectangular diversion from the fluid line of the drill string in the fluid channel of the injection nozzle vortex caused by the injection jet sprays early on leaving the injection nozzle and loses its effect, so that Only small concrete block diameter result.
In der
Eine gattungsgemäße Injektionsdüse ist in der
Die Erfindung befaßt sich daher mit dem Problem, eine Injektionsdüse für Hochdruckinjektionsbohrsysteme bzw. ein Hochdruckinjektionsbohrwerkzeug zu schaffen, das es ermöglicht, Betonblöcke mit möglichst großem Durchmesser zu erstellen.The invention therefore addresses the problem of providing an injection nozzle for Hochdruckinjektionsbohrsysteme or a Hochdruckinjektionsbohrwerkzeug, which makes it possible to create concrete blocks with the largest possible diameter.
Erfindungsgemäß wird dieses Problem durch eine Injektionsdüse mit den Merkmalen des Anspruchs 1 bzw. ein Hochdruckinjektionsbohrwerkzeug mit den Merkmalen des Anspruchs 11 gelöst.According to the invention, this problem is solved by an injection nozzle with the features of claim 1 and a Hochdruckinjektionsbohrwerkzeug with the features of
Durch die Ausbildung des Fluidkanals im Düsenkörper mit einem gleichbleibenden unrunden Innenquerschnitt über die gesamte Fluidkanallänge wird ein wesentlich länger gebündelter Injektionsstrahl ausgebildet, wodurch Betonblöcke größeren Durchmessers erhältlich sind.By forming the fluid channel in the nozzle body with a constant non-circular internal cross section over the entire fluid channel length a much longer bundled injection jet is formed, whereby concrete blocks of larger diameter are available.
Die erfindungsgemäße unrunde Innenquerschnittsform des Fluidkanals der neuentwickelten Injektionsdüse bremst die entstandenen Wirbel innerhalb der Düse ab und bündelt so den Injektionsstrahl über die gesamte Düsenlänge bis zum Austritt, so daß ein ruhiger gleichmäßiger Strahl ohne Verwirbelungen die Düse verläßt, der noch über eine große Länge scharf bleibt. Dadurch können deutlich größere Betonblockdurchmesser erzielt werden und es müssen weniger Bohrungen eingebracht werden, um die gleiche Betonplattformfläche abzudecken. Die Bauzeiten und Baukosten verringern sich damit erheblich.The non-circular internal cross-sectional shape of the fluid channel of the newly developed injection nozzle brakes the resulting vortex within the nozzle and thus bundles the injection jet over the entire nozzle length to the outlet, so that a smooth uniform jet without turbulence leaves the nozzle, which still remains sharp over a large length , As a result, significantly larger concrete block diameters can be achieved and fewer holes must be made to cover the same concrete platform surface. The construction times and construction costs are reduced considerably.
Besonders wirksam sind Injektionsdüsen, deren Innenquerschnitt in den Fluidkanal hineinragende Leitprofile aufweist, da diese die entstandenen Wirbel besonders gut bremsen. Bevorzugte Bauformen sind daher Injektionsdüsen mit in den Fluidkanal hereinragenden Flügeln oder keilartigen Leitprofilen, die bei aneinandergrenzender Anordnung einen sternförmigen Innenquerschnitt des Fluidkanals ergeben.Injection nozzles whose inner cross-section has guide profiles projecting into the fluid channel are particularly effective, since they brake the generated vortices particularly well. Preferred designs are therefore injection nozzles with wings projecting into the fluid channel or wedge-like guide profiles, which, when arranged adjacently, result in a star-shaped inner cross section of the fluid channel.
Die Wirbelbrems- und Bündelungswirkung ist besonders groß, wenn die Leitprofile rippenförmig sind und sich vorzugsweise über die gesamte Düsenlänge erstrecken.The Wirbelbrems- and bundling effect is particularly large when the guide profiles are rib-shaped and preferably extend over the entire nozzle length.
Da die Wandungen des Fluidkanals durch die Zementschlämme einem hohen Verschleiß ausgesetzt sind, ist es vorteilhaft, den Fluidkanal in einem separaten Düseneinsatz auszubilden, der in den Düsenkörper eingesetzt und mit diesem beispielsweise durch Verschrauben, Verlöten oder Verkleben verbunden ist. Eine Fertigung des Düseneinsatzes aus Hartmetall verlängert dessen Standzeit und vermindert so eventuelle Rüstzeiten für einen Wechsel.Since the walls of the fluid channel are exposed to high wear by the cement slurry, it is advantageous to form the fluid channel in a separate nozzle insert, which is inserted into the nozzle body and connected thereto, for example by screwing, soldering or gluing. A production of the nozzle insert made of carbide extends its service life and thus reduces possible set-up times for a change.
Weitere Vorteile und Einzelheiten ergeben sich aus den Unteransprüchen und in den Zeichnungen dargestellten Ausführungsbeispielen der Erfindung, die im folgenden beschrieben werden; es zeigen:
- Fig. 1
- ein Hochdruckinjektionsbohrwerkzeug, teilweise im Schnitt,
- Fig. 2
- eine dreidimensionale Ansicht eines erfindungsgemäßen Düseneinsatzes für eine Injektionsdüse,
- Fig. 3
- einen Längsschnitt durch den Düseneinsatz aus Fig. 1, in einem Düsenkörper eingesetzt,
- Fig. 4
- einen Längsschnitt durch den Düseneinsatz aus Fig. 1 in zweidimensionaler Darstellung,
- Fig. 5
- eine Ansicht aus Richtung V auf den Gegenstand in Fig. 4 und
- Fig. 6 a - f
- verschiedene Innenquerschnittsformen des Fluidkanals.
- Fig. 1
- a high-pressure injection drilling tool, partly in section,
- Fig. 2
- 3 shows a three-dimensional view of a nozzle insert according to the invention for an injection nozzle,
- Fig. 3
- a longitudinal section through the nozzle insert of FIG. 1, used in a nozzle body,
- Fig. 4
- 3 shows a longitudinal section through the nozzle insert from FIG. 1 in a two-dimensional representation,
- Fig. 5
- a view from the direction V on the object in Fig. 4 and
- Fig. 6 a - f
- different internal cross-sectional shapes of the fluid channel.
Das in Fig. 1. dargestellte Hochdruckinjektionsbohrwerkzeug besteht aus einem Bohrgestänge 1, durch das sich eine Fluidleitung 2 hindurch erstreckt. Frontseitig an dem Bohrgestänge 1 ist eine Bohrkrone 3 angeordnet. In Fluidflußrichtung 4 vor der Bohrkrone 3 befinden sich Injektionsdüsen 5 mit einem Düsenkörper 6, in den ein Düseneinsatz 7 eingesetzt ist.The high-pressure injection drilling tool shown in FIG. 1 consists of a drill string 1, through which a fluid line 2 extends. Front side of the drill pipe 1 a
Der Düseneinsatz 7 ist in den Fig. 4 und 5 näher dargestellt. Durch den Düseneinsatz 7 erstreckt sich ein Fluidkanal 8, der - wie in den Fig. 2 bis 4 zu erkennen ist - einen unrunden über die gesamte Länge L des Fluidkanals 8 gleichbleibenden Innenquerschnitt aufweist.The
Fig. 6 zeigt verschiedene unrunde Innenquerschnittsformen, die sämtlich die in dem Fluidstrahl bei der Umlenkung aus der Fluidleitung 2 in den Fluidkanal 8 entstehenden Wirbel bremsen und den Fluidstrahl dadurch bündeln.Fig. 6 shows various non-circular inner cross-sectional shapes, all of which brake the resulting in the fluid jet during the deflection of the fluid line 2 in the
Besonders starke Bündelungseffekte ergeben sich, wenn der Fluidkanal wie bei den Ausführungsformen der Fig. 6d bis 6f in ihn hineinragende Leitprofile 9 aufweist. Bei der Ausführungsform gemäß Fig. 6d sind die Leitprofile 9 keilförmig und dicht an dicht angeordnet, so daß sich ein sternförmiger Innenquerschnitt ergibt. In Fig. 6e bilden die Leitprofile 9 Züge 10 und Felder 9' aus. Bei der Ausführungsform gemäß Fig. 6f und Fig. 2 bis 5 sind die Leitprofile flügelartig und ragen weit in das Innere des Fluidkanals 8 hinein. Die Wirbelbremswirkung und die damit verbundene Bündelung des Fluidstrahls ist bei dieser Ausführungsform besonders ausgeprägt. Die Zahl der Leitprofile ist dabei nicht auf drei beschränkt. Auch ein einziges Leitprofil erzielt bereits eine positive Wirkung. Ausführungsformen mit drei oder vier Leitprofilen führen aber zu einer besonders guten Bündelungen des Fluidstrahls.Particularly strong bundling effects arise when the fluid channel has guide profiles 9 projecting into it, as in the embodiments of FIGS. 6d to 6f. In the embodiment of FIG. 6d, the guide profiles 9 are wedge-shaped and arranged close together, so that there is a star-shaped inner cross-section. In FIG. 6e, the guide profiles 9 form
Wie in den Figuren 3 bis 5 dargestellt, weist die Injektionsdüse bevorzugt einen Einlaufabschnitt 1 auf, der dem Fluidkanal 8 vorgeschaltet ist. Dieser schafft einen weichen Übergang der Querschnittsverengung von der Fluidleitung 2 in den Fluidkanal 8. Energetisch günstig ist diese Querschnittsverengung des Einlaufabschnitts 11 vom Düseninneren aus betrachtet konvex gerundet ausgebildet. Die Leitprofile 9 können auch wie in Fig. 5 gestrichelt angedeutet bereits im Einlaufabschnitt 11 beginnen, wodurch schon in diesem Bereich verhindert wird, daß sich ein unerwünschter Drall oder Verwirbelungen im Fluid ausbilden. As shown in FIGS. 3 to 5, the injection nozzle preferably has an inlet section 1, which is connected upstream of the
Claims (11)
- An injection nozzle for high-pressure injection drilling systems with a nozzle body (6) and a fluid channel (8) extending through the latter in the longitudinal direction for the cement slurries to be injected, the injection nozzle (15) being designed to be mounted on a drill linkage (1), in such a way that its fluid channel (8) extends at least approximately at right angles to the longitudinal axis of the drill linkage, characterised in that the fluid channel (8) has a uniform, non-round internal cross-section over at least the essential part of its length (L).
- The injection nozzle according to claim 1, characterised by guide profiles (9) projecting into the fluid channel and extending in the longitudinal direction of the nozzle (5).
- The injection nozzle according to claim 2, characterised in that the guide profiles (9) extend at least essentially over the whole nozzle length.
- The injection nozzle according to claim 2 or 3, characterised in that the guide profiles (9) are rib-shaped.
- The injection nozzle according to any one of claims 2 to 4, characterised by a star-shaped internal cross-section.
- The injection nozzle according to any one of claims 2 to 5, characterised in that the guide profiles (9) form trains (10) and fields (9') in the fluid channel.
- The injection nozzle according to any one of claims 1 to 6, characterised in that an inlet section (11) with a cross-section narrowing in the fluid flow direction (4) is located upstream of the fluid channel (8).
- The injection nozzle according to claim 7, characterised in that the cross-sectional narrowing of the inlet section (11) is designed rounded in a convex form.
- The injection nozzle according to any one of claims 1 to 8, characterised in that the fluid channel (8) is formed in a nozzle insert (7) inserted into the nozzle body (6).
- The injection nozzle according to claim 9, characterised in that the nozzle insert (7) is made from hard metal.
- A high-pressure injection drilling tool with a drill linkage (1), a drill bit (3) disposed on the latter at the front side, a fluid conduit (2) extending through the drill linkage (1) and at least one injection nozzle (5) disposed in front of the drill bit (3) in the fluid flow direction (4) and connected to the fluid conduit (2), the longitudinal axis of said injection nozzle extending at an angle to the longitudinal axis of the drill linkage (1), characterised in that the injection nozzle (5) is designed according to any one of claims 1 to 10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20020783U | 2000-12-06 | ||
| DE20020783U DE20020783U1 (en) | 2000-12-06 | 2000-12-06 | Injection nozzle for high pressure injection drilling systems and high pressure injection drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1213055A1 EP1213055A1 (en) | 2002-06-12 |
| EP1213055B1 true EP1213055B1 (en) | 2007-06-13 |
Family
ID=7949802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01128905A Expired - Lifetime EP1213055B1 (en) | 2000-12-06 | 2001-12-05 | Nozzle for high pressure injection drill system and high pressure injection drill tool |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1213055B1 (en) |
| AT (1) | ATE364450T1 (en) |
| DE (2) | DE20020783U1 (en) |
| ES (1) | ES2287066T3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6851632B2 (en) * | 2003-01-24 | 2005-02-08 | Spraying Systems Co. | High-pressure cleaning spray nozzle |
| US10351893B2 (en) * | 2015-10-05 | 2019-07-16 | GeneWeave Biosciences, Inc. | Reagent cartridge for detection of cells |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3207197A1 (en) * | 1982-02-27 | 1983-09-08 | Fried. Krupp Gmbh, 4300 Essen | Device for producing a spray jet |
| 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 |
| DE3737259C1 (en) * | 1987-11-03 | 1989-03-16 | Bauer Spezialtiefbau | Apparatus and method for high-pressure injection |
| DE3806407C2 (en) * | 1988-02-29 | 1995-08-31 | Keller Grundbau Gmbh | Device for producing floor sections compacted by the addition of binding or sealing agents |
| 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 |
| FR2689534A1 (en) * | 1992-04-06 | 1993-10-08 | Sif Entreprise Bachy | Method of producing underground waterproofing screens, screens thus produced, and jet device for implementing this method. |
| DE19747908A1 (en) * | 1997-10-30 | 1999-05-06 | Tubag Trass Zement Stein | Nozzle for applying thin bed mortar on one side of blocks for wall production |
| DE19821449A1 (en) * | 1998-05-13 | 1999-11-18 | Loegel Charles | High pressure jet nozzle to generate high pressure fluid jet |
| DE19918257A1 (en) * | 1999-04-22 | 2000-11-23 | Lechler Gmbh & Co Kg | High pressure spray nozzle |
| DE19922820C2 (en) * | 1999-05-19 | 2003-03-06 | Innovations Gmbh As | high-pressure nozzle |
-
2000
- 2000-12-06 DE DE20020783U patent/DE20020783U1/en not_active Expired - Lifetime
-
2001
- 2001-12-05 DE DE50112623T patent/DE50112623D1/en not_active Expired - Lifetime
- 2001-12-05 EP EP01128905A patent/EP1213055B1/en not_active Expired - Lifetime
- 2001-12-05 AT AT01128905T patent/ATE364450T1/en active
- 2001-12-05 ES ES01128905T patent/ES2287066T3/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2287066T3 (en) | 2007-12-16 |
| DE50112623D1 (en) | 2007-07-26 |
| ATE364450T1 (en) | 2007-07-15 |
| DE20020783U1 (en) | 2002-05-02 |
| EP1213055A1 (en) | 2002-06-12 |
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