WO2023184046A1 - Loading hose connector and booster for upward shafts in underground mining - Google Patents
Loading hose connector and booster for upward shafts in underground mining Download PDFInfo
- Publication number
- WO2023184046A1 WO2023184046A1 PCT/CL2022/050030 CL2022050030W WO2023184046A1 WO 2023184046 A1 WO2023184046 A1 WO 2023184046A1 CL 2022050030 W CL2022050030 W CL 2022050030W WO 2023184046 A1 WO2023184046 A1 WO 2023184046A1
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- WIPO (PCT)
- Prior art keywords
- explosive
- connecting device
- opening
- connect
- booster
- Prior art date
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Classifications
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- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/02—Blasting cartridges, i.e. case and explosive adapted to be united into assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/26—Arrangements for mounting initiators; Accessories therefor, e.g. tools
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/18—Plugs for boreholes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/22—Methods for holding or positioning for blasting cartridges or tamping cartridges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Definitions
- the present invention belongs to the area of the explosives industry used preferably in the mining industry.
- the present invention relates to a connector for an explosive device or booster for upward shots, preferably used in underground mining.
- boosters In the underground mining industry, the use of explosive devices for updrafts, commonly called boosters, is widely known. These devices are mainly configured as a cylindrical structure that contains a high-energy explosive initiating agent inside, and allows them to be protected from impacts and the explosive becoming wet. In this way, said explosive devices are inserted upward into channels or shafts made inside the mine. In some current solutions, to improve its insertion and maneuverability in said shots, a ballistic shape has been designed in its upper part in order to facilitate its movement. These devices allow the entry of the detonation cable to activate the explosion when required.
- a connecting element attached to the device at one end and at the other end it is connected to a hose fed from the outside with explosive emulsion.
- the assembly with the hose is inserted until the final position of the explosive device, and then by traction, the hose is removed.
- US8261664 B2 describes a mobile explosives supply unit having several explosive component feeding units, such as a pump for feeding explosive components, such as fuel oil, into blasting shots.
- the position of the holes is identified based on the coordinate position of the hole transmitted from the global positioning system (GPS) unit that is in communication with the hole identification processor.
- GPS global positioning system
- fluid explosives such as explosive emulsion, ammonium nitrate granules, diesel, water, sodium nitrite gas solution, etc.
- US10557575 B2 describes a hose for transporting explosive emulsion, which has an internal surface that reduces interruption of the annular flow during the transport of explosive emulsion and the internal surface is hydrophytic with respect to the aqueous solution.
- Document CN211855092U describes a deep shot blasting emulsion explosive loading device, in the existing technology, the explosive emulsion is transported to the problem in the blast shot;
- the device comprises a funnel main body; the bottom of the main body of the funnel is provided with an outlet, the upper part of the main body of the funnel is provided with an annular plate of connection;
- the connecting ring plate is installed horizontally and detachably with a spirit level.
- the document indicates that the explosive emulsion that comes out of the hose is sprayed directly at high speed on the inner wall of the funnel; the bottom opening of the funnel falls into the explosion hole that needs to be loaded and exploded, and the funnel is installed on the funnel spirit level can be installed vertically, to ensure that the explosive emulsion is completely vertical to the loading position after pass through the funnel, and will not stick to the wall of the explosion hole.
- US8381654B2 a method of moving a loading hose and nozzle along a blast shot along a direction of travel at a controlled speed.
- An explosive emulsion is forced through the nozzle at a controlled pump rate such that the nozzle sprays the emulsion laterally relative to the direction of travel in an arc formation that extends around an axis of the nozzle when it moves. the mouthpiece, and,
- the problem presented by the previously described solutions and those currently in use is the difficulty in removing the connecting element of the explosive device when placing it at the defined point, since generally an attempt is made to remove it by pulling, which can affect the final position of the device or, blocking may occur that does not allow the hose to be removed from the device.
- the hose carries the detonator cable on the outside and pulling the hose can cut the cable.
- the present invention relates to a connecting device to be used in an explosive device for updraft in underground mining.
- the connecting device operates in conjunction with an explosive device or booster, to which it is connected at one of its ends, where said explosive device preferably has a head with a ballistic shape that allows the maneuverability of the booster in the hole with irregular walls.
- the connecting device is in turn connected at its opposite end to a charging hose.
- the assembly is arranged in a line, with the hose being arranged first, connected to the connecting device, which is also connected linearly to the explosive device or booster.
- the invention is also related to the assembly made up of the connect device and the booster.
- the connect device has geometric characteristics that allow improving coupling with the booster and increasing the viscosity of the emulsion. Through this geometry, the connect device allows solving the operational problem of the booster getting stuck in the rise of the hose for updraft loading.
- the connect device is made of a material that is easy to produce and has a low coefficient of friction.
- the connect device fulfills two functions in the charging system: first, it is a coupling between the hose and the booster, whose final 45° geometry allows the booster to fit, which makes the connection between hose and booster is rigid and robust, and in this way, they do not disengage during the ascent, causing the booster to get stuck.
- the connecting device comprises holes arranged radially at 45° in an upward direction, which allow the booster using a flow to quickly decouple it from the connect device.
- the holes in the connecting device increase the viscosity of the emulsion, which translates into better adhesion in the upward draft.
- Figure 1 represents a perspective view of the connect device, according to one embodiment of the invention
- Figure 2 represents a partial rear and front view of the connect device, according to one embodiment of the invention.
- Figure 3 represents a side view with partial section of the connecting device, according to one embodiment of the invention.
- Figure 4 represents a front view of the explosive device or booster, according to one embodiment of the invention
- Figure 5 represents a front sectional view of the explosive device or booster, according to one embodiment of the invention.
- Figure 6 represents a top view of the explosive device or booster, according to one embodiment of the invention.
- Figure 7 represents a front sectional view of the connecting device assembly and the booster, according to one embodiment of the invention.
- the present invention relates to a connecting device (100) to connect an explosive device or booster (200) with an explosive emulsion loading hose, and the assembly (1) that incorporates said device connecting (100) with the booster. (200)
- the connecting device (100) is made up of two joined parts: a first part (10) configured to connect with the explosive device (200); and a second part (20) is configured to connect with the charging hose.
- the external diameter of the first part (10) is greater than the external diameter of the second part (20).
- the connecting device (100) comprises an input end face (21) arranged in the second part (20) and an output end face (11) arranged in the first part (10).
- the inlet end face (21) comprises a flow inlet opening (22) arranged in the central part of said face (21).
- Said inlet opening (22) connects with a front outlet opening (12) arranged in the center of the outlet end face (11) and with a plurality of transverse outlet openings (13).
- Said transverse exit openings (13) are arranged equidistant from each other in a slot or perimeter recessed section (14).
- Said recessed section (14) is configured as a V-shaped slot, whose preferred angle of said recessed section is 90°, composed of a front face (14a) and a rear face (14b), where the plurality of openings Transverse outlets (13) are arranged on the front face (14a).
- the transverse exit openings (13) are arranged at an angle of 45° with respect to the longitudinal axis of the connecting device (100).
- Said transverse outlet openings (13) are arranged in this way in order to use the pressure of the fluid or emulsion to be able to decouple the connecting device (100) from the explosive device (200), in order to remove the charging hose connected to the device. connect (100).
- the number of transverse outlet openings (13) are four.
- the diameter of each of the transverse outlet openings (13) is in the range of 3 to 5 mm. This range allows optimizing the viscosity of the flow and being able to decouple the connecting device (100) from the explosive device (200) by pressure, reducing the risk of overpressure in the line or that the explosive device (200) does not detach.
- the diameter of each of the transverse outlet openings (13) is 4 mm.
- the passage area of the transverse outlet openings (13) is at least four times the passage area of the front outlet opening (12).
- the second part (20) of the connecting device (100) comprises connecting means (23) that allow said connecting device (100) to be joined with the end of the charging hose.
- said connecting means (23) correspond to a male-type threaded connection, which is joined to the female-type charging hose.
- the second part (20) of the connecting device (100) has a tightening element (24), which allows the threaded tightening with the charging hose to be carried out by means of an external element. Therefore, at the time of detaching the connecting device (100) from the explosive device (200), the structural connection between said connecting device (100) and the loading hose can be maintained as the latter is divided for removal.
- the connector device (100) and the booster (200) an increase in the viscosity of the emulsion is achieved.
- the original viscosity of the emulsion is 1,300,000 CPA, which increases to 1,800,000 CPA after passing through the connecting device (100).
- the emulsion reaches the plant with densities between 1.37 and 1.42 g/cm 3 . After placing the additive, the density drops to 1.30 - 1.33 g/cm 3 . At the device output connector (100), the density of the emulsion is measured at 1.15 g/cm 3 , allowing favorable extraction of the hose together with the connector device (100).
- the explosive device or booster (200) corresponds to a preferably cylindrical structure, which comprises a body (210) and a head (220) which has a configuration preferably with a ballistic shape in order to facilitate its upward movement of the assembly (1). , reducing the risk of jamming.
- the base of the booster (200) comprises an opening (not shown), into which the connector device (100) is inserted under pressure to configure the assembly (1).
- the upper part of the head (220) comprises at least two openings (230, 240), where one of the openings (230) is smaller in diameter than the other opening (240).
- tubes (250, 260) extend into the interior of the booster (200), where the tube (250) of the smaller diameter opening (230) is longer than the other tube (260). ), where both tubes (250, 260) are joined in the upper interior part of the booster (200).
- the tube (250) of the smaller diameter opening (230) comprises an opening at its lower end intended for the insertion of the detonator cable (270) that is inserted together with the connector device (100).
- the detonator cable (270) extends through the tube (250) and passes to the next tube (260) at the top to be secured by a safety element, preventing it from being unintentionally released.
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- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Description
CONECTOR DE MANGUERA DE CARGUÍO Y BOOSTER PARA PROS ASCENDENTES EN MINERÍA SUBTERRÁNEA CHARGING HOSE AND BOOSTER CONNECTOR FOR UPGRADING PROS IN UNDERGROUND MINING
CAMPO DE APLICACIÓN SCOPE
La presente invención pertenece al área de la Industria de los explosivos utilizados preferentemente en la Industria minera. En particular, la presente invención se relaciona con un conector para un dispositivo explosivo o booster para tiros ascendentes, utilizado preferentemente en minería subterránea. The present invention belongs to the area of the explosives industry used preferably in the mining industry. In particular, the present invention relates to a connector for an explosive device or booster for upward shots, preferably used in underground mining.
ANTECEDENTES BACKGROUND
En la industria minera subterránea, es ampliamente conocido el uso de dispositivos explosivos para tiros ascendentes, comúnmente denominados booster. Dichos dispositivos se configuras principalmente como una estructura cilindrica que contienen en su interior un agente iniciador explosivo de alta a energía, y permite protegerlos de golpes y de que el explosivo resulte mojado. De esta forma, dichos dispositivos explosivos son insertados de forma ascendente en canales o tiros realizadas al interior de la mina. En algunas soluciones actuales, para mejorar su inserción y maniobrabilidad en dichos tiros, se han diseñado en su parte superior una forma balística con el fin de facilitar su desplazamiento. Dichos dispositivos permiten la entrada del cable de detonación para poder activar la explosión cuando se requiera. In the underground mining industry, the use of explosive devices for updrafts, commonly called boosters, is widely known. These devices are mainly configured as a cylindrical structure that contains a high-energy explosive initiating agent inside, and allows them to be protected from impacts and the explosive becoming wet. In this way, said explosive devices are inserted upward into channels or shafts made inside the mine. In some current solutions, to improve its insertion and maneuverability in said shots, a ballistic shape has been designed in its upper part in order to facilitate its movement. These devices allow the entry of the detonation cable to activate the explosion when required.
Para poder colocar el dispositivo, se dispone de un elemento conector unido al dispositivo por un extremo y por el otro extremo se conecta a una manguera alimentada desde el exterior con emulsión explosiva. De esta forma, Se inserta el conjunto con la manguera hasta la posición final del dispositivo explosivo, para posteriormente por tracción retirar la manguera junto con el conectar y adherir a la superficie perforada el dispositivo explosivo mediante la emulsión. In order to place the device, there is a connecting element attached to the device at one end and at the other end it is connected to a hose fed from the outside with explosive emulsion. In this way, the assembly with the hose is inserted until the final position of the explosive device, and then by traction, the hose is removed. hose together with the connect and adhere the explosive device to the perforated surface using the emulsion.
El estado del arte describe ciertos sistemas de este tipo. Por ejemplo, el documento US8261664 B2 describe una unidad móvil de suministro de explosivos tiene varias unidades de alimentación de componentes explosivos, como una bomba para alimentar componentes explosivos, como aceite combustible, en los tiros de voladura. La posición de los barrenos se identifica en base a la posición de coordenadas del barreno transmitida desde la unidad del sistema de posicionamiento global (GPS) que está en comunicación con el procesador de identificación de barrenos. Describe además un sistema para cargar explosivos fluidos, como emulsión explosiva, granulos de nitrato de amonio, diesel, agua, solución gaseosa de nitrito de sodio, etc., en barrenos en el área a ser volada. Las posiciones de los barrenos se identifican de forma única, por lo que se eliminan los errores. The state of the art describes certain systems of this type. For example, US8261664 B2 describes a mobile explosives supply unit having several explosive component feeding units, such as a pump for feeding explosive components, such as fuel oil, into blasting shots. The position of the holes is identified based on the coordinate position of the hole transmitted from the global positioning system (GPS) unit that is in communication with the hole identification processor. It also describes a system for loading fluid explosives, such as explosive emulsion, ammonium nitrate granules, diesel, water, sodium nitrite gas solution, etc., into boreholes in the area to be blasted. Hole positions are uniquely identified, eliminating errors.
El documento US10557575 B2 describe una manguera para transportar emulsión explosiva, que tiene una superficie interna que reduce la interrupción del flujo anular durante el transporte de emulsión explosiva y la superficie interna es hidrófita con respecto a la solución acuosa. US10557575 B2 describes a hose for transporting explosive emulsion, which has an internal surface that reduces interruption of the annular flow during the transport of explosive emulsion and the internal surface is hydrophytic with respect to the aqueous solution.
El documento CN211855092U describe un dispositivo de carga de explosivo de emulsión de voladura de tiro profundo, en la tecnología existente, la emulsión explosiva se transporta al problema en el tiro de explosión; el dispositivo comprende un cuerpo principal de embudo; la parte inferior del cuerpo principal del embudo está provista de una salida, la parte superior del cuerpo principal del embudo está provista de una placa anular de conexión; la placa del anillo de conexión se instala horizontalmente y de forma desmontable con un nivel de burbuja. EL documento indica que se rocía directamente la emulsión explosiva que sale de la manguera a alta velocidad en la pared interna del embudo; la abertura inferior del embudo cae en el orificio de explosión que necesita cargarse y explotar, y el embudo se instala en el nivel de burbuja del embudo se puede instalar verticalmente, para garantizar que la emulsión explosiva esté completamente vertical a la posición de carga después de pasar por el embudo, y no se adherirá a la pared del orificio de explosión. Document CN211855092U describes a deep shot blasting emulsion explosive loading device, in the existing technology, the explosive emulsion is transported to the problem in the blast shot; The device comprises a funnel main body; the bottom of the main body of the funnel is provided with an outlet, the upper part of the main body of the funnel is provided with an annular plate of connection; The connecting ring plate is installed horizontally and detachably with a spirit level. The document indicates that the explosive emulsion that comes out of the hose is sprayed directly at high speed on the inner wall of the funnel; the bottom opening of the funnel falls into the explosion hole that needs to be loaded and exploded, and the funnel is installed on the funnel spirit level can be installed vertically, to ensure that the explosive emulsion is completely vertical to the loading position after pass through the funnel, and will not stick to the wall of the explosion hole.
El documento US8381654B2 un método que consiste en mover una manguera de carga y una boquilla a lo largo de un tiro de voladura a lo largo de una dirección de viaje a una velocidad controlada. Se fuerza una emulsión explosiva a través de la boquilla a una tasa de bombeo controlada de manera que la boquilla rocía la emulsión lateralmente en relación con la dirección de desplazamiento en una formación de arco que se extiende alrededor de un eje de la boquilla cuando se mueve la boquilla, y, US8381654B2 a method of moving a loading hose and nozzle along a blast shot along a direction of travel at a controlled speed. An explosive emulsion is forced through the nozzle at a controlled pump rate such that the nozzle sprays the emulsion laterally relative to the direction of travel in an arc formation that extends around an axis of the nozzle when it moves. the mouthpiece, and,
El problema que presentan las soluciones anteriormente descritas y las que actualmente se encuentran en uso, es la dificultad para retirar el elemento conector del dispositivo explosivo al momento de su colocación en el punto definido, pues generalmente se intenta retirar mediante tirones, los cuales pueden afectar la posición final del dispositivo o bien, se puede producir trabamiento que no permita retirar la manguera del dispositivo. La manguera lleva por el exterior el cable del detonador y al jalar la manguera se puede cortar dicho cable. RESUMEN DE LA INVENCIÓN The problem presented by the previously described solutions and those currently in use is the difficulty in removing the connecting element of the explosive device when placing it at the defined point, since generally an attempt is made to remove it by pulling, which can affect the final position of the device or, blocking may occur that does not allow the hose to be removed from the device. The hose carries the detonator cable on the outside and pulling the hose can cut the cable. SUMMARY OF THE INVENTION
La presente invención se relaciona con dispositivo conectar para ser utilizado en un dispositivo explosivo para tiro ascendente en minería subterránea. El dispositivo conectar opera en conjunto con dispositivo explosivo o booster, al cual se conecta en uno de sus extremos, donde dicho dispositivo explosivo presenta preferentemente una cabeza con forma balística que permite la maniobrabilidad del booster en el agujero de paredes irregulares. El dispositivo conectar se conecta a su vez en su extremo opuesto a una manguera de carguío. De esta forma, el conjunto se encuentra dispuesto de manera línea, estando dispuesto primero la manguera, conectada al dispositivo conectar, el cual se conecta también linealmente al dispositivo explosivo o booster. La invención también se relaciona con el conjunto conformado por el dispositivo conectar y el booster. The present invention relates to a connecting device to be used in an explosive device for updraft in underground mining. The connecting device operates in conjunction with an explosive device or booster, to which it is connected at one of its ends, where said explosive device preferably has a head with a ballistic shape that allows the maneuverability of the booster in the hole with irregular walls. The connecting device is in turn connected at its opposite end to a charging hose. In this way, the assembly is arranged in a line, with the hose being arranged first, connected to the connecting device, which is also connected linearly to the explosive device or booster. The invention is also related to the assembly made up of the connect device and the booster.
El dispositivo conectar posee características geométricas que permiten mejorar el acoplamiento con el booster y aumentar la viscosidad de la emulsión. Mediante esta geometría, el dispositivo conectar permite resolver el problema operacional de atascamiento del booster en la subida de la manguera para el carguío de tiro ascendente.The connect device has geometric characteristics that allow improving coupling with the booster and increasing the viscosity of the emulsion. Through this geometry, the connect device allows solving the operational problem of the booster getting stuck in the rise of the hose for updraft loading.
El dispositivo conectar es fabricado de un material de fácil producción y que posee un bajo coeficiente de roce. The connect device is made of a material that is easy to produce and has a low coefficient of friction.
Adicionalmente, el dispositivo conectar cumple dos funciones en el sistema de carguío: en primer lugar, es un acople entre la manguera y el booster, cuya geometría final de 45° permite que se encaje el booster, lo que hace que la unión entre manguera y booster sea rígida y robusta, y de esta forma, no se desacoplan durante el ascenso generando atascamiento del booster. En segundo lugar, el dispositivo conectar comprende unos agujeros dispuestos radialmente en 45° en dirección ascendente, que permiten empujar el booster mediante un flujo para desacoplarlo de manera rápida del dispositivo conectar.Additionally, the connect device fulfills two functions in the charging system: first, it is a coupling between the hose and the booster, whose final 45° geometry allows the booster to fit, which makes the connection between hose and booster is rigid and robust, and in this way, they do not disengage during the ascent, causing the booster to get stuck. Secondly, the connecting device comprises holes arranged radially at 45° in an upward direction, which allow the booster using a flow to quickly decouple it from the connect device.
Por otro lado, los agujeros el dispositivo conectar aumentan la viscosidad de la emulsión, lo que se traduce en una mejor adherencia de esta en el tiro ascendente. On the other hand, the holes in the connecting device increase the viscosity of the emulsion, which translates into better adhesion in the upward draft.
DESCRIPCIÓN DE LAS FIGURAS DESCRIPTION OF THE FIGURES
La figura 1 representa una vista en perspectiva del dispositivo conectar, de acuerdo a una modalidad de la invención Figure 1 represents a perspective view of the connect device, according to one embodiment of the invention
La figura 2 representa una vista posterior y frontal parcial del dispositivo conectar, de acuerdo a una modalidad de la invención Figure 2 represents a partial rear and front view of the connect device, according to one embodiment of the invention.
La figura 3 representa una vista en lateral con corte parcial del dispositivo conectar, de acuerdo a una modalidad de la invención Figure 3 represents a side view with partial section of the connecting device, according to one embodiment of the invention.
La figura 4 representa una vista frontal del dispositivo explosivo o booster, de acuerdo a una modalidad de la invención Figure 4 represents a front view of the explosive device or booster, according to one embodiment of the invention
La figura 5 representa una vista frontal en corte del dispositivo explosivo o booster, de acuerdo a una modalidad de la invención Figure 5 represents a front sectional view of the explosive device or booster, according to one embodiment of the invention.
La figura 6 representa una vista superior del dispositivo explosivo o booster, de acuerdo a una modalidad de la invención Figure 6 represents a top view of the explosive device or booster, according to one embodiment of the invention.
La figura 7 representa una vista frontal en corte del conjunto de dispositivo conectar y el booster, de acuerdo a una modalidad de la invención Figure 7 represents a front sectional view of the connecting device assembly and the booster, according to one embodiment of the invention.
DESCRIPCIÓN DETALLADA DE LA INVENCIÓN DETAILED DESCRIPTION OF THE INVENTION
La presente invención se relaciona con un dispositivo conectar (100) para conectar un dispositivo explosivo o booster (200) con una manguera de carguío de emulsión explosiva, y el conjunto (1) que incorpora dicho dispositivo conectar (100) con el booster (200) The present invention relates to a connecting device (100) to connect an explosive device or booster (200) with an explosive emulsion loading hose, and the assembly (1) that incorporates said device connecting (100) with the booster. (200)
El dispositivo conectar (100) se encuentra conformado por dos partes unidas: una primera parte (10) configurada para conectarse con el dispositivo explosivo (200); y una segunda parte (20) está configurada para conectarse con la manguera de carguío. El diámetro externo de la primera parte (10) es mayor que el diámetro externo de la segunda parte (20). The connecting device (100) is made up of two joined parts: a first part (10) configured to connect with the explosive device (200); and a second part (20) is configured to connect with the charging hose. The external diameter of the first part (10) is greater than the external diameter of the second part (20).
El dispositivo conectar (100) comprende una cara de extremo de entrada (21) dispuesta en segunda parte (20) y una cara de extremo de salida (11) dispuesta en la primera parte (10). La cara de extremo de entrada (21) comprende una abertura de entrada (22) de flujo dispuesta en la parte central de dicha cara (21 ). Dicha abertura de entrada (22) se conecta con una abertura de salida frontal (12) dispuesta en el centro de la cara de extremo de salida (11) y con una pluralidad de aberturas de salida transversales (13). Dichas aberturas de salida transversales (13) se encuentran dispuestas equidistantes entre sí en una ranura o sección rebajada perimetral (14). Dicha sección rebajada (14) se encuentra configurada como una ranura en forma de V, cuyo ángulo preferente de dicha sección rebajada es de 90°, compuesto por una cara frontal (14a) y una cara posterior (14b), donde la pluralidad de aberturas de salida transversales (13) se disponen en la cara frontal (14a). De esta forma, las aberturas de salida transversales (13) se encuentran dispuestas en un ángulo de 45° respecto al eje longitudinal del dispositivo conectar (100). Dichas aberturas de salida transversales (13) se disponen de esa manera con el objeto utilizar la presión del fluido o emulsión para poder desacoplar el dispositivo conectar (100) del dispositivo explosivo (200), para así poder retirar la manguera de carguío conectada al dispositivo conectar (100). En una modalidad de la invención, la cantidad de aberturas de salida transversales (13) son cuatro. El diámetro de cada una las aberturas de salida transversales (13) está en el rango de 3 a 5 mm. Este rango permite optimizar la viscosidad del flujo y poder desacoplar mediante presión el dispositivo conector (100) del dispositivo explosivo (200), disminuyendo el riesgo que haya una sobre presión en la línea o que el dispositivo explosivo (200) no se desacople. En una modalidad preferida de la invneción, el diámetro de cada una las aberturas de salida transversales (13) es de 4 mm. En una modalidad preferida de la invención, el área de paso de las aberturas de salida transversales (13) es al menos cuatro veces el área de paso de la abertura de salida frontal (12). The connecting device (100) comprises an input end face (21) arranged in the second part (20) and an output end face (11) arranged in the first part (10). The inlet end face (21) comprises a flow inlet opening (22) arranged in the central part of said face (21). Said inlet opening (22) connects with a front outlet opening (12) arranged in the center of the outlet end face (11) and with a plurality of transverse outlet openings (13). Said transverse exit openings (13) are arranged equidistant from each other in a slot or perimeter recessed section (14). Said recessed section (14) is configured as a V-shaped slot, whose preferred angle of said recessed section is 90°, composed of a front face (14a) and a rear face (14b), where the plurality of openings Transverse outlets (13) are arranged on the front face (14a). In this way, the transverse exit openings (13) are arranged at an angle of 45° with respect to the longitudinal axis of the connecting device (100). Said transverse outlet openings (13) are arranged in this way in order to use the pressure of the fluid or emulsion to be able to decouple the connecting device (100) from the explosive device (200), in order to remove the charging hose connected to the device. connect (100). In one embodiment of the invention, the number of transverse outlet openings (13) are four. The diameter of each of the transverse outlet openings (13) is in the range of 3 to 5 mm. This range allows optimizing the viscosity of the flow and being able to decouple the connecting device (100) from the explosive device (200) by pressure, reducing the risk of overpressure in the line or that the explosive device (200) does not detach. In a preferred embodiment of the invention, the diameter of each of the transverse outlet openings (13) is 4 mm. In a preferred embodiment of the invention, the passage area of the transverse outlet openings (13) is at least four times the passage area of the front outlet opening (12).
La segunda parte (20) del dispositivo conector (100) comprende medios de unión (23) que permiten unir dicho dispositivo conector (100) con el extremo de la manguera de carguío. En una modalidad preferida de la invención, dichos medios de unión (23) corresponden a una unión roscada, tipo macho, la cual se une con la manguera de carguío tipo hembra. De esta forma, la segunda parte (20) del dispositivo conector (100) un elemento para apriete (24), el cual permite que mediante un elemento externo se realice el apriete roscado con la manguera de carguío. Por lo tanto, al momento de desprenderse el dispositivo conector (100) del dispositivo explosivo (200), se puede mantener la unión estructural entre dicho dispositivo conector (100) y la manguera de carguío al ser fraccionada esta última para su retiro. The second part (20) of the connecting device (100) comprises connecting means (23) that allow said connecting device (100) to be joined with the end of the charging hose. In a preferred embodiment of the invention, said connecting means (23) correspond to a male-type threaded connection, which is joined to the female-type charging hose. In this way, the second part (20) of the connecting device (100) has a tightening element (24), which allows the threaded tightening with the charging hose to be carried out by means of an external element. Therefore, at the time of detaching the connecting device (100) from the explosive device (200), the structural connection between said connecting device (100) and the loading hose can be maintained as the latter is divided for removal.
De esta forma, mediante la combinación del dispositivo conector (100) y el booster (200) se logra un aumento en la viscosidad de la emulsión. En efecto, la viscosidad original de la emulsión es de1.300.000 CPA, la cual aumenta a 1.800.000 CPA después de pasar por el dispositivo conector (100). In this way, by combining the connector device (100) and the booster (200) an increase in the viscosity of the emulsion is achieved. Indeed, the original viscosity of the emulsion is 1,300,000 CPA, which increases to 1,800,000 CPA after passing through the connecting device (100).
Por otro lado, la emulsión llega a la planta con densidades entre 1 ,37 y 1 ,42 g/cm3. Luego de colocar el aditivo, la densidad baja a 1.30 - 1 ,33 g/cm3. En la salida del dispositivo conector (100), la densidad de la emulsión se mide en 1 ,15 g/cm3, permitiendo una favorable extracción de la manguera junto con el dispositivo conector (100). On the other hand, the emulsion reaches the plant with densities between 1.37 and 1.42 g/cm 3 . After placing the additive, the density drops to 1.30 - 1.33 g/cm 3 . At the device output connector (100), the density of the emulsion is measured at 1.15 g/cm 3 , allowing favorable extraction of the hose together with the connector device (100).
El dispositivo explosivo o booster (200) corresponde a una estructura preferentemente cilindrica, que comprende un cuerpo (210) y una cabeza (220) la cual presenta una configuración preferentemente con forma balística con el fin de facilitar su desplazamiento ascendente del conjunto (1), disminuyendo el riesgo de trabamiento. La base del booster (200) comprende una abertura (no mostrada), en la cual se inserta a presión el dispositivo conector (100) para así configurar el conjunto (1). La parte superior de la cabeza (220) comprende al menos dos aberturas (230, 240), donde una de las aberturas (230) de menor diámetro que la otra abertura (240). Desde ambas aberturas (230, 240) se extienden unos tubos (250, 260) hacia el interior del booster (200), donde el tubo (250) de la abertura de menor diámetro (230) es más largo que el otro tubo (260), donde ambos tubos (250, 260) se encuentran unidos en la parte superior interior del booster (200). El tubo (250) de la abertura de menor diámetro (230) comprende una abertura en su extremo inferior destinada para la inserción del cable detonador (270) que se inserta junto con el dispósuitivo conector (100). El cable detonador (270) se extiende por el tubo (250) y pasa al siguiente tubo (260) por la parte superior para ser asegurado por un elemento de seguridad, impidiendo que sea soltado involuntariamente. The explosive device or booster (200) corresponds to a preferably cylindrical structure, which comprises a body (210) and a head (220) which has a configuration preferably with a ballistic shape in order to facilitate its upward movement of the assembly (1). , reducing the risk of jamming. The base of the booster (200) comprises an opening (not shown), into which the connector device (100) is inserted under pressure to configure the assembly (1). The upper part of the head (220) comprises at least two openings (230, 240), where one of the openings (230) is smaller in diameter than the other opening (240). From both openings (230, 240) tubes (250, 260) extend into the interior of the booster (200), where the tube (250) of the smaller diameter opening (230) is longer than the other tube (260). ), where both tubes (250, 260) are joined in the upper interior part of the booster (200). The tube (250) of the smaller diameter opening (230) comprises an opening at its lower end intended for the insertion of the detonator cable (270) that is inserted together with the connector device (100). The detonator cable (270) extends through the tube (250) and passes to the next tube (260) at the top to be secured by a safety element, preventing it from being unintentionally released.
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CL2022/050030 WO2023184046A1 (en) | 2022-03-30 | 2022-03-30 | Loading hose connector and booster for upward shafts in underground mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CL2022/050030 WO2023184046A1 (en) | 2022-03-30 | 2022-03-30 | Loading hose connector and booster for upward shafts in underground mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023184046A1 true WO2023184046A1 (en) | 2023-10-05 |
Family
ID=88198439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CL2022/050030 Ceased WO2023184046A1 (en) | 2022-03-30 | 2022-03-30 | Loading hose connector and booster for upward shafts in underground mining |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2023184046A1 (en) |
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| US6520089B1 (en) * | 1999-06-18 | 2003-02-18 | Dynaenergetics Gmbh & Co. Kg | Method for setting and igniting a charge of explosives for geological investigations and explosive device associated therewith |
| WO2014030139A1 (en) * | 2012-08-22 | 2014-02-27 | Fowlds 3 Limited | A stemming device |
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| EP3141695A1 (en) * | 2015-09-09 | 2017-03-15 | Dominique Balleur | System and method for fracturing solid material |
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| CN215447610U (en) * | 2021-02-05 | 2022-01-07 | 广东中人岩土工程有限公司 | Wide-adaptability fracturing pipe for rock breaking by liquid carbon dioxide phase change |
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2022
- 2022-03-30 WO PCT/CL2022/050030 patent/WO2023184046A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1872586A (en) * | 1931-08-29 | 1932-08-16 | Arthur W Helmholtz | Separation device for pipe lines |
| WO1996029567A1 (en) * | 1995-03-23 | 1996-09-26 | Bofors Liab Ab | Method and arrangement for supplying reinforcing charges to boreholes |
| US6520089B1 (en) * | 1999-06-18 | 2003-02-18 | Dynaenergetics Gmbh & Co. Kg | Method for setting and igniting a charge of explosives for geological investigations and explosive device associated therewith |
| WO2014030139A1 (en) * | 2012-08-22 | 2014-02-27 | Fowlds 3 Limited | A stemming device |
| CN104949592A (en) * | 2015-03-30 | 2015-09-30 | 深圳市金奥博科技有限公司 | Jet tackifying device for jetting mixed emulsified explosives |
| EP3141695A1 (en) * | 2015-09-09 | 2017-03-15 | Dominique Balleur | System and method for fracturing solid material |
| CN207214932U (en) * | 2017-09-06 | 2018-04-10 | 深圳市金奥博科技股份有限公司 | Spray tack producing device |
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