ES2562829A1 - Fixing procedure for a sampling probe, permanent gas sampling procedure of the potentially contaminated ground subside and device necessary for such end (Machine-translation by Google Translate, not legally binding) - Google Patents
Fixing procedure for a sampling probe, permanent gas sampling procedure of the potentially contaminated ground subside and device necessary for such end (Machine-translation by Google Translate, not legally binding) Download PDFInfo
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- ES2562829A1 ES2562829A1 ES201431296A ES201431296A ES2562829A1 ES 2562829 A1 ES2562829 A1 ES 2562829A1 ES 201431296 A ES201431296 A ES 201431296A ES 201431296 A ES201431296 A ES 201431296A ES 2562829 A1 ES2562829 A1 ES 2562829A1
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- 239000000523 sample Substances 0.000 title claims abstract description 51
- 238000005070 sampling Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000007943 implant Substances 0.000 claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- 229920000728 polyester Polymers 0.000 claims abstract description 6
- 229920002635 polyurethane Polymers 0.000 claims abstract description 6
- 239000004814 polyurethane Substances 0.000 claims abstract description 6
- 238000005553 drilling Methods 0.000 claims description 9
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 21
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
OBJETO DE LA INVENCiÓN OBJECT OF THE INVENTION
lOEs objeto de la presente invención, tal y como el título establece, un procedimiento de fijación de una sonda de muestreo, asi como un procedimiento de muestreo permanente del gas del subsuelo de terrenos potencialmente contaminados, así como el dispositivo necesario para llevar a cabo el muestreo permanente del gas del subsuelo. It is the object of the present invention, as the title establishes, a procedure for fixing a sampling probe, as well as a procedure for permanent sampling of gas from the subsoil of potentially contaminated soils, as well as the device necessary to carry out the permanent sampling of underground gas.
Un suelo contaminado es un suelo cuyas características químicas, han sido alteradas negativamente por la presencia de sustancias contaminantes depositadas por la actividad humana. A contaminated soil is a soil whose chemical characteristics have been negatively altered by the presence of contaminating substances deposited by human activity.
20 Caracteriza a la presente invención las especiales características particulares del proceso de fijación y alojamiento permanente en el interior de una perforación del terreno de un dispositivo de toma de muestras de gas o sonda, en particular la combinación de grava silícea lavada y clasificada como medio que favorece el paso de gas desde el terreno hasta un implante poroso de la 20 It characterizes the present invention the special particular characteristics of the process of permanent fixation and accommodation inside a field drilling of a gas sampling device or probe, in particular the combination of siliceous gravel washed and classified as a means that it favors the passage of gas from the ground to a porous implant of the
25 sonda, y la bentonita, que es una arcilla de grano muy fino (coloidal) del tipo que contiene bases y hierro siendo el tipo más normal la cálcica, que aísla haciendo de sellado del implante poroso del aire atmosférico. 25 probe, and bentonite, which is a very fine-grained clay (colloidal) of the type that contains bases and iron, the most normal type being calcium, which insulates by sealing the porous implant of atmospheric air.
También caracteriza a la presente invención las piezas, geometría, 30 conectividad y materiales empleados en el dispositivo de toma de muestras. It also characterizes the present invention the parts, geometry, connectivity and materials used in the sampling device.
Por lo tanto, la presente invención se circunscribe dentro del ámbito de las sondas de toma de muestras de gases. Therefore, the present invention is circumscribed within the scope of gas sampling probes.
ANTECEDENTES DE LA INVENCiÓN En el estado de la técnica son conocidas las sondas de toma de muestras de gases. BACKGROUND OF THE INVENTION In the state of the art gas sampling probes are known.
El muestreo es la actividad por la que se toman muestras representativas que permiten caracterizar el suelo en estudio, en tanto que la muestra puede ser definida como una parte representativa que presenta las mismas caracteristicas o propiedades del material que se está estudiando y las muestras que serán enviadas al laboratorio, constituyen las muestras elegidas para ser analizadas de acuerdo a los objetivos establecidos. Sampling is the activity by which representative samples are taken that allow characterizing the soil under study, while the sample can be defined as a representative part that presents the same characteristics or properties of the material being studied and the samples that will be sent to the laboratory, constitute the samples chosen to be analyzed according to the established objectives.
La técnica del muestreo a aplicar depende, entre otros, del objetivo del estudio, de las condiciones edáficas, meteorológicas, geológicas e hidrogeológicas en el sitio, la profundidad y accesibilidad de la contaminación en estudio y de los requerimientos analíticos acerca de la cantidad y calidad de las muestras. The sampling technique to be applied depends, among others, on the objective of the study, on the edaphic, meteorological, geological and hydrogeological conditions at the site, the depth and accessibility of the contamination under study and the analytical requirements regarding quantity and quality of the samples.
Los equipos, las herramientas y los instrumentos a usarse en el muestreo The equipment, tools and instruments to be used in sampling
estarán en función de: La profundidad máxima a la que se va a tomar la muestra. El tipo de textura del suelo. El tipo de contaminante (volátil, semivolátil, no volátil) que se presuma en el sitio. La accesibilidad al punto de muestreo. El tamaño de muestra necesaria para los análisis requeridos, con base en la(s) caracteristica(s) o propiedad(es) de interés del contaminante y del sitio, as! como las especificaciones de los métodos analíticos. Los instrumentos para la colecta de muestras en campo, deben ser They will be based on: The maximum depth at which the sample is to be taken. The type of soil texture. The type of pollutant (volatile, semi-volatile, non-volatile) that is presumed at the site. Accessibility to the sampling point. The sample size required for the required analyzes, based on the characteristic (s) or property (s) of interest of the contaminant and site, as! as the specifications of the analytical methods. The instruments for the collection of samples in the field must be
30 fáciles de limpiar, resistentes al desgaste y no deberán contener sustancias químicas que puedan contaminar o alterar las muestras. 30 easy to clean, wear resistant and should not contain chemicals that can contaminate or alter the samples.
En el caso de contaminantes orgánicos, los instrumentos de muestreo y los envases o contenedores para la conservación de la muestra no deberán contener sustancias químicas que puedan producir interferencias al momento de realizar las pruebas analíticas. In the case of organic pollutants, the sampling instruments and the containers or containers for the preservation of the sample must not contain chemical substances that may cause interference when performing the analytical tests.
5 Cuando se trata de suelos contaminados con metales, se recomienda utensilios de plástico, teflón o acero inoxidable para el muestreo. Los más comunes son: palas rectas y curvas, picos, barrenas y barretas, espátulas, navajas y martillo de geólogo, considerar lápices, marcadores y etiquetas, así como, cinta métrica o f1exómetro, planos o fotografias 5 When it comes to soils contaminated with metals, it is recommended plastic, teflon or stainless steel utensils for sampling. The most common are: straight and curved blades, spikes, augers and sweeps, spatulas, knives and hammer of geologist, consider pencils, markers and labels, as well as, tape measure or meter, plans or photographs
10 aéreas de la zona con la ubicación tentativa de los puntos de muestreo. Durante las actividades de muestreo, es importante incluir como material de apoyo, cartas topográficas, edafológicas, climáticas y geológicas, un plano cartográfico del sitio y mapas de carreteras, con toponimia actualizada. Además, es recomendable incluir una libreta para registrar 10 areas of the area with the tentative location of the sampling points. During sampling activities, it is important to include as a supporting material, topographic, edaphological, climatic and geological charts, a map of the site and road maps, with updated toponymy. In addition, it is advisable to include a notebook to register
15 las acciones de campo, una cámara fotográfica y la cadena de custodia 15 field actions, a camera and the chain of custody
para las muestras. For samples.
Los procedimientos de captura de gases en la mayoría de las ocasiones no consiguen la captura de los gases en cantidad y modo suficiente, bien debido al The procedures for capturing gases in most cases do not achieve the capture of gases in sufficient quantity and manner, either due to the
20 procedimiento de fijación y alojamiento de los dispositivos de captura de gases 20 procedure for fixing and housing gas capture devices
o sondas en el terreno, así como los materiales y medios empleados, o bien debido a la propia naturaleza de los dispositivos o sondas. or probes in the field, as well as the materials and means used, or due to the very nature of the devices or probes.
Por lo tanto, es objeto de la presente invención desarrollar un procedimiento Therefore, it is the object of the present invention to develop a method
25 que permite la captura de los gases del subsuelo de terrenos potencialmente contaminados de modo eficaz, permanente y en cantidad suficiente para la captura de muestras, así como disponer un dispositivo o sonda necesario para dicha captura eficiente de los gases, desarrollando un procedimiento como el que a continuación se describe y queda recogido en su esencialidad en la 25 which allows the capture of gases from the subsoil of potentially contaminated soils in an efficient, permanent and sufficient quantity for the capture of samples, as well as providing a device or probe necessary for said efficient capture of gases, developing a procedure such as which is described below and is reflected in its essentiality in the
30 reivindicación primera. 30 first claim.
DESCRIPCiÓN DE LA INVENCiÓN Es objeto de la presente invención tanto un procedimiento de fijación de una sonda de muestreo como un procedimiento de muestreo permanente de gas del subsuelo de terrenos potencialmente contaminados, que se realiza por medio un dispositivo o sonda de muestreo alojada y fijada de forma permanente en una perforación del terreno sobre la que se lleva a cabo una toma de muestras de manera regular. DESCRIPTION OF THE INVENTION It is an object of the present invention both a method of fixing a sampling probe and a permanent sampling procedure of gas from the subsoil of potentially contaminated soils, which is carried out by means of a device and sampling probe housed and fixed. permanently in a drilling of the ground on which a sampling is carried out on a regular basis.
El proceso de fijación del dispositivo permanente o sonda de muestreo se fija The process of fixing the permanent device or sampling probe is fixed
en la perforación del terreno mediante las siguientes etapas: Recubrimiento y fijación de un implante poroso de la sonda mediante grava silicea clasificada limpia, donde el implante poroso no llega a tocar el fondo de la perforación. Relleno del resto del hueco de la perforación hasta un extremo superior de toma muestra de la sonda, con bentonita a efectos de sellado, aislando el implante poroso del aire atmosférico. Encastre de una arqueta metálica que comprende una carcasa y una tapa. in the drilling of the ground through the following stages: Coating and fixing of a porous implant of the probe using clean graded silica gravel, where the porous implant does not reach the bottom of the perforation. Filling the rest of the hole in the borehole to an upper sampling end of the probe, with bentonite for sealing purposes, isolating the porous implant from atmospheric air. Encastre of a metal casket comprising a housing and a cover.
El proceso de toma de muestras periódicas del gas del terreno comprenderá The process of periodic sampling of gas from the ground will include
las etapas de: Apertura de la tapa de la arqueta permanente Se retirará el tapón, o pieza de cierre con llave de paso del dispositivo o sonda Se extrae el gas capturado en el interior del dispositivo o sonda, (mediante un dispositivo adecuado, bomba, etc ...), para su estudio. the stages of: Opening the permanent casing lid The plug, or closing piece with stopcock of the device or probe, will be removed The captured gas inside the device or probe is removed (by means of a suitable device, pump, etc ...), for study.
También es objeto de la invención el dispositivo o sonda para realizar la captura del gas del subsuelo de terrenos potencialmente contaminados y que comprende los siguientes elementos dispuestos de manera sucesiva y conectados entre si: Also the object of the invention is the device or probe for capturing gas from the subsoil of potentially contaminated soils and comprising the following elements arranged successively and connected to each other:
Un implante poroso, que en una posible forma de realización está hecho de polietileno, Un reductor de unión doble hembra y roscado A porous implant, which in a possible embodiment is made of polyethylene, a female and threaded double junction reducer
Un conector racor de enlace Un tubo de poliuretano o poliéster Un racor de unión doble con autofijación A link connector A polyurethane or polyester tube A double union fitting with self-fixing
5 Un tapón de polímero técnico o poliamida, o pieza de cierre con llave de paso del dispositivo o sonda. 5 A plug made of technical polymer or polyamide, or closing piece with stopcock of the device or probe.
A lo largo de la descripción y de las reivindicaciones la palabra "comprende" y Throughout the description and the claims the word "comprises" and
sus variantes no pretenden excluir otras características técnicas, aditivos, 10 componentes ° pasos. Para los expertos en la materia, otros objetos, ventajas y características de la invención se desprenderán en parte de la descripción y its variants are not intended to exclude other technical characteristics, additives, 10 components ° steps. For those skilled in the art, other objects, advantages and features of the invention will be partly derived from the description and
en parte de la practica de la invención. in part of the practice of the invention.
15 EXPLlCACION DE LAS FIGURAS 15 EXPLANATION OF THE FIGURES
Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, de To complement the description that is being made and in order to help a better understanding of the features of the invention,
acuerdo con un ejemplo preferente de realización practica de la misma, se 20 acompaña como parte integrante de dicha descripción, un juego de dibujos en In accordance with a preferred example of practical implementation thereof, a set of drawings is accompanied as an integral part of said description.
donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente. where, as an illustration and not limitation, the following has been represented.
Figura l' -Se representa un despiece de la sonda o grupo de sondeo, que Figure 1 - An exploded view of the probe or probing group is shown, which
será introducido y estabilizado de forma permanente en las perforaciones will be introduced and stabilized permanently in the perforations
25 realizadas en el terreno potencialmente contaminado, una vez enlazadas todas sus piezas como se ve en la figura 28, permitiendo la apertura y cierre del tapón extremo o llave de paso para realizar el muestreo correspondiente. 25 carried out in potentially contaminated land, once all its parts are linked as seen in figure 28, allowing the opening and closing of the end plug or stopcock to perform the corresponding sampling.
Figura 28 -Representa el enlace realizado de todas las piezas vistas en la Figure 28 - Represents the link made of all the pieces seen in the
30 figura 1', que forman la sonda . El extremo superior esta rematado por un tapón extraible para realizar el muestreo periódico del gas pertinente que hubiera podido introducirse en la cámara interior del implante de la parte inferior de la sonda. Figure 1 ', which form the probe. The upper end is topped by a removable cap for periodic sampling of the relevant gas that could have been introduced into the inner chamber of the implant at the bottom of the probe.
Figura 3a -Representa como se ha realizado una perforación por medios 5 mecánicos en el terreno, y en la que se ha colocado una sonda como la representada en la figura 2a. Figure 3a - Represents how a drilling has been carried out by mechanical means in the field, and in which a probe has been placed as shown in Figure 2a.
Figura 4' -Representa como se inicia la estabilización de la parte inferior de la sonda en el interior de la perforación con grava silícea lavada y clasificada, sin 10 que toque el fondo de la perforación. Figure 4 '- Represents how the stabilization of the lower part of the probe inside the perforation with siliceous gravel washed and classified begins, without touching the bottom of the perforation.
Figura sa -Representa como se va concluyendo la estabilización del conjunto de la sonda con la introducción de bentonita que hará de sellado y que aislará el implante del aire atmosférico, sobre la capa de grava silícea, también vemos Figure sa - Represents how the stabilization of the probe assembly is completed with the introduction of bentonite that will seal and that will isolate the implant from atmospheric air, on the siliceous gravel layer, we also see
15 la preparación de la arqueta de registro, para ser colocada posteriormente en la boca de acceso a la perforación. 15 the preparation of the registration box, to be placed later in the access hole to the perforation.
Figura 6' -Representa la sonda ya estabilizada para su permanencia en el interior de la perforación del terreno, con la primera capa inferior de grava Figure 6 '- Represents the probe already stabilized for its permanence inside the drilling of the ground, with the first lower layer of gravel
20 silícea y una capa superior de bentonita , quedando rematada la perforación por su boca de acceso con una arqueta con su tapa de apertura y cierre, fijada y sellada con cemento. 20 siliceous and a top layer of bentonite, the perforation being finished by its access mouth with a casket with its opening and closing lid, fixed and sealed with cement.
Figura 78 -Representa un conjunto general permanente, de la sonda con un Figure 78 - Represents a permanent general set of the probe with a
25 detalle del implante poroso con una sección parcial del interior de su cámara, donde se aprecia claramente la forma de actuar del mismo sobre el terreno, y recogiendo el posible gas existente en el terreno contaminado que ira penetrando en su interior, y permitiendo finalmente conseguir una muestra con la apertura de su tapa de acceso y extracción del tapón superior de la sonda. 25 detail of the porous implant with a partial section of the inside of its chamber, where it is clearly appreciated how it acts on the ground, and collecting the possible gas existing in the contaminated soil that will penetrate inside, and finally allowing to achieve a sample with the opening of its access cover and removal of the upper plug of the probe.
REALIZACiÓN PREFERENTE DE LA INVENCiÓN. PREFERRED EMBODIMENT OF THE INVENTION.
A la vista de las figuras se describe seguidamente un modo de realización preferente de la invención propuesta. In view of the figures, a preferred embodiment of the proposed invention is described below.
En la figura l' podemos observar las diferentes partes o piezas que In figure l 'we can see the different parts or pieces that
5 comprenden una sonda o grupo de sondeo permanente: Un implante poroso (1), que en una posible forma de realización está 5 comprise a probe or permanent probing group: A porous implant (1), which in a possible embodiment is
hecho de polietileno, y que presenta el extremo superior roscado, y una cámara interior (15) made of polyethylene, and featuring the threaded upper end, and an inner chamber (15)
Un reductor (2) de unión doble hembra y roscado, que se rosca en su A reducer (2) of double female and threaded union, which is threaded in its
10 extremo inferior sobre el extremo superior del implante (1) 10 lower end over the upper end of the implant (1)
Un conector racor (3) de enlace que se fija mediante roscado por su A connector connector (3) of connection that is fixed by threaded by its
parte inferior con el reductor de unión doble (2) Un tubo de poliuretano o poliéster (4) conectado en su extremo inferior con el conector racor (3) bottom with double junction reducer (2) A polyurethane or polyester tube (4) connected at its lower end with connector (3)
15 Un racor de un ión doble (5) con autofijación conectado con el tubo de 15 A double-ion fitting (5) with self-fixing connected to the
poliuretano o poliéster (4) polyurethane or polyester (4)
Un tapón (6) de polímero técn ico o poliamida que se fija sobre el racor A plug (6) of technical polymer or polyamide that is fixed on the fitting
de unión doble (5) double junction (5)
20 En la figura 2a se observa la sonda montada con todas las piezas unidas y fijadas entre sí. 20 Figure 2a shows the probe mounted with all the pieces joined and fixed together.
En la figura 3a se muestra una perforación (9) realizada en un terreno (7) por medio de una broca mecán ica (8), y en cuyo interior se aloja el dispositivo de 25 sondeo o sonda, sin llegar a tocar el fondo (10) de la perforación. Figure 3a shows a perforation (9) made in a field (7) by means of a mechanical drill (8), and inside which the probe or probe device is housed, without touching the bottom ( 10) of the drilling.
En la figura 4B se muestra un primer paso de fijación de la sonda en el interior de la perforación (9) realizada en el terreno (7) mediante la cubrición del Figure 4B shows a first step of fixing the probe inside the borehole (9) carried out in the field (7) by covering the
implante poroso (1) con grava silícea lavada (11) Y clasificada de manera que 30 recubra el implante (1), con objeto de facilitar el paso de los gases del terreno Porous implant (1) with washed siliceous gravel (11) And classified so that it covers the implant (1), in order to facilitate the passage of the gases from the ground
(7) hasta el interior del implante (1). (7) to the inside of the implant (1).
A continuación, y según se muestra en la figura 5' se prepara la arqueta (13), que será preferentemente metálica prefabricada y contará con una tapa (14), y quedará sellada mediante cemento (16). Next, and as shown in Figure 5 ', the casket (13) is prepared, which will preferably be prefabricated metal and will have a lid (14), and will be sealed by cement (16).
5 Seguidamente se procede a estabilizar la sonda sellando el implante con bentonita (12) rellenando el espacio restante de la perforación (9) del terreno 5 The probe is then stabilized by sealing the implant with bentonite (12) filling in the remaining drilling space (9) of the land
(7) hasta el racor de unión doble (5) de la sonda, tal y como se muestra en la (7) to the double junction fitting (5) of the probe, as shown in the
figura 6a, aislando el implante poroso del aire atmosférico. Figure 6a, isolating the porous implant from atmospheric air.
lOEn la figura 7a se muestra el proceso permanente de toma de muestras, cómo 10 Figure 7a shows the permanent sampling process, how
el gas (17) del terreno (7) atraviesa las paredes de la perforación (9), atraviesa la grava silicea lavada y clasificada (11), atraviesa el implante poroso (1), llegando a la cámara interna (15) del implante (1) donde quedará almacenada. the gas (17) from the ground (7) crosses the perforation walls (9), crosses the washed and classified silica gravel (11), passes through the porous implant (1), reaching the internal chamber (15) of the implant ( 1) where it will be stored.
15 Para la toma de muestras (18) del gas (17) se procede a la apertura de la arqueta (13) por medio de su tapa (14), procediendo a retirar el tapón (6) para 15 For sampling (18) of the gas (17), the cassette (13) is opened by means of its cover (14), proceeding to remove the cap (6) to
realizar una toma de muestras del gas (17) procedente del terreno take a sample of the gas (17) coming from the field
potencialmente contaminado (7) que se había alojado y almacenado en el interior cámara (15) del implante poroso (1). potentially contaminated (7) that had been housed and stored inside the chamber (15) of the porous implant (1).
Descrita suficientemente la naturaleza de la presente invención , así como la Describes sufficiently the nature of the present invention, as well as the
manera de ponerla en práctica, se hace constar que, dentro de su esencialidad, way of putting it into practice, it is stated that, within its essentiality,
podrá ser llevada a la práctica en otras formas de realización que difieran en may be implemented in other embodiments that differ in
detalle de la indicada a título de ejemplo, ya las cuales alcanzará igualmente la detail of that indicated by way of example, and which will also reach the
25 protección que se recaba, siempre que no altere, cambie o modifique su 25 protection sought, provided it does not alter, change or modify its
principio fundamental . fundamental principle.
Claims (2)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411087A (en) * | 1994-01-27 | 1995-05-02 | Taylor; Byron D. | Soil sampler |
| US5639956A (en) * | 1995-11-22 | 1997-06-17 | Kejr Engineering, Inc. | Permeable membrane soil probe |
| US5889217A (en) * | 1996-05-13 | 1999-03-30 | Rossabi; Joseph | Process and apparatus for obtaining samples of liquid and gas from soil |
| US20040089079A1 (en) * | 2002-10-31 | 2004-05-13 | Engebretson Daniel Scott | Semipermeable membrane-based sampling systems |
| US20090166520A1 (en) * | 2007-11-09 | 2009-07-02 | The Regents Of The University Of California | In-situ soil nitrate ion concentration sensor |
-
2014
- 2014-09-08 ES ES201431296A patent/ES2562829B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411087A (en) * | 1994-01-27 | 1995-05-02 | Taylor; Byron D. | Soil sampler |
| US5639956A (en) * | 1995-11-22 | 1997-06-17 | Kejr Engineering, Inc. | Permeable membrane soil probe |
| US5889217A (en) * | 1996-05-13 | 1999-03-30 | Rossabi; Joseph | Process and apparatus for obtaining samples of liquid and gas from soil |
| US20040089079A1 (en) * | 2002-10-31 | 2004-05-13 | Engebretson Daniel Scott | Semipermeable membrane-based sampling systems |
| US20090166520A1 (en) * | 2007-11-09 | 2009-07-02 | The Regents Of The University Of California | In-situ soil nitrate ion concentration sensor |
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