| Korea Institute of Geoscience and Mineral Resources (KIGAM) Patent applications |
| Patent application number | Title | Published |
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| 20130112013 | RING SHEAR APPARATUS CONSIDERING WALL-SLIP EFFECT - A ring shear apparatus for measuring a shear strength of soil samples. The ring shear apparatus considering a wall-slip effect including: an upper ring for forming a first accommodation portion having a ring shape in which soil samples are accommodated; a lower ring for forming a second accommodation portion that corresponds to the first accommodation portion of the upper ring and has a ring shape in which soil samples are accommodated, closely attached to a lower portion of the upper ring and rotatably installed relative to the upper ring; a rotating unit for rotating the lower ring relative to the upper ring; and a shear strength measuring sensor combined with the upper ring and for measuring a shear strength of the soil samples, wherein a plurality of protrusions that protrudes from the lower ring is formed on an inner circumferential surface of the lower ring along a circumferential direction of the lower ring in order to prevent the soil samples from being slid when the lower ring is rotated. | 05-09-2013 |
| 20130098177 | APPARATUS FOR DISSOLUTION EXPERIMENT OF MINERAL - An apparatus for dissolution experiment of mineral is disclosed. | 04-25-2013 |
| 20130047718 | APPARATUS FOR MEASURING THE AMOUNT OF SNOW COVER AND SNOWFALL USING ELECTRICAL CONDUCTION - An apparatus for measuring the amount of snow cover and snowfall using electrical conduction. The apparatus includes: a collection container in which the snow is flowed and is piled up and which is opened upwards; a supporting mount for supporting the collection container; a first conductor that is disposed on a bottom of the collection container and contacts the snow piled up on the collection container; a plurality of second conductors that are disposed spaced apart from each other on sidewalls of the collection container in a height direction of the collection container and contact the snow piled up on the collection container; a power supply unit that is electrically connected to the first conductor and the plurality of second conductors; and a detection sensor for determining that the first conductor and the second conductors are electrically connected to each other, based on the snow piled up on the collection container. | 02-28-2013 |
| 20120318682 | ELECTROWINNING APPARATUS AND METHOD FOR RECOVERING USEFUL METALS FROM AQUEOUS SOLUTIONS - An electrowinning apparatus and method are provided. The electrowinning apparatus includes: an electrolytic cell including a body portion which has an inlet for introducing an aqueous solution containing metal ions into the body portion and a conical portion which is gradually reduced in diameter from top to bottom and disposed under the body portion; a ring-shaped cathode coupled to an inner circumferential surface of the body portion of the electrolytic cell and having an entrance hole which extends from an outer circumferential surface of the cathode through to an inner circumferential surface of the cathode and is connected to the inlet of the electrolytic cell; and a hollow anode having an upper end disposed outside the electrolytic cell and inserted into the cathode. In the electrowinning method, a metal can be recovered from an aqueous solution containing a low concentration of metal ions using the above cyclone-shaped electrowinning apparatus. | 12-20-2012 |
| 20120293180 | APPARATUS FOR MEASURING PERMITTIVITY OF ROCKS AND FAULT CLAYS USING PERMITTIVITY SENSOR - An apparatus for measuring permittivity of a sample. The apparatus includes: a sample chamber including a sealed space portion in which a sample to be measured is put; a pressure adjusting unit for varying pressure by applying water pressure to the space portion of the sample chamber; a permittivity sensor for measuring permittivity of the sample and disposed outside the sample chamber; measurement conducting wires including conductors, installed to contact the sample and connected to the permittivity sensor by using electric wires; and a data logger for storing data relating to permittivity that is measured by the permittivity sensor. | 11-22-2012 |
| 20120243656 | COMPUTED TOMOGRAPHY APPARATUS FOR GEOLOGICAL RESOURCE CORE ANALYSIS - A computed tomography apparatus for geological resource core analysis, more particularly to a computed tomography apparatus for geological resource core analysis in that it can conveniently utilize a computed tomography apparatus for industrial use, the movement between the CT beam transmitter and the detector is decreased, thereby performing an accurate measurement and breaking down infrequently, and especially, it can easily perform a CT scan on a cylinder type (or rod shape) sample having a very long major axis such as a geological resource core sample. | 09-27-2012 |
| 20120227482 | GROUNDWATER PROFILE MONITORING SYSTEM - A groundwater profile monitoring system includes a groundwater sensor configured to sense a state of groundwater; a driving unit including a sensor cable to which the groundwater sensor is connected at one end thereof and configured to vertically move the groundwater sensor; a data logger configured to receive and store sensing information sensed by the groundwater sensor and transmit the sensing information to a designated server; and a power supply unit configured to produce electric power using solar energy and supply the produced electric power to the driving unit and the data logger. Since a profile material of vertical groundwater according to a depth of a tube well can be continuously collected by using one sensor, an accurate groundwater related material can be collected more efficiently. | 09-13-2012 |
| 20120219477 | METHOD FOR EXTRACTING RARE EARTH MATERIAL FROM MONAZITE - A method for extracting rare earth elements from monazite is disclosed. The method includes milling a mixture of monazite including phosphates and rare earth elements and sodium hydroxides inside a mill containing a plurality of balls to form powder by colliding the mixture into balls with each other, converting the mixture into rare earth hydroxides and sodium phosphates through the reaction occurring in the process of repeated collision, and extracting rare earth elements from the powder. | 08-30-2012 |
| 20120219361 | GEOLOGICAL CARBON DIOXIDE STORAGE SYSTEM WITH IMPROVED RELIABILITY - Disclosed is a geological CO | 08-30-2012 |
| 20120204781 | Apparatus and Method for Seabed Exploration - Provided are an apparatus and a method for seabed exploration using an unmanned remotely operated vehicle. The apparatus for seabed exploration of the present invention includes: an unmanned remotely operated vehicle connected with a ship | 08-16-2012 |
| 20120174709 | Manufacturing Method of Ferromolybdenum From Molybdenite - Provided is a manufacturing method of ferromolybdenum from molybdenite concentrate, and more particularly, a manufacturing method of ferromolybdenum with copper content of 0.5% or less from molybdenite with high copper content without carrying out a separate copper removing process by putting molybdenite, aluminum metal and iron metal, in a heating furnace and reacting them at high temperature to manufacture the ferro molybdenum at the lower portion thereof, forming a slag using aluminum sulfide and iron sulfide as the main components at the upper portion thereof, and putting most of the copper (80 to 95%) existing in the molybdenite in a slag layer. The exemplary embodiment can shorten a process as compared to a metallothermic reduction (Thermit) method of the related art and reduce the consumption of a reducing agent, i.e., aluminum. | 07-12-2012 |
| 20110270540 | APPARATUS FOR MEASURING FLOW VELOCITY AND FLOW RATE OF GROUNDWATER LEAKING FROM EARTH SURFACE AND APPARATUS FOR MONITORING THE SAME - An apparatus for measuring a flow velocity and a flow rate of groundwater leaking from the earth surface includes: a storage tank that is fixed to close a side surface and a top surface of an earth surface region from which the groundwater leaks and that stores the groundwater leaking from the earth surface; a liquid column tube that causes the groundwater stored in the storage tank to introduce thereto and causes a water column to rise; and a pressure-type measuring unit that is formed in a top opening of the liquid column tube and that senses a differential pressure. Accordingly, it is possible to easily and rapidly measure a flow velocity and a flow rate of groundwater leaking from the earth surface by the use of a user's terminal in real time, or by time zones, or on the user's request. | 11-03-2011 |
| 20110232138 | Apparatus for Collecting Marine Deposits - Provided is an apparatus for collecting marine deposits. The apparatus for collecting marine deposits of the present invention includes: a piston corer for collecting a deep part of marine deposits having an external body stuck in the deep part of a sea bottom while serving as a cylinder body and having a piston body positioned in the external body | 09-29-2011 |
| 20110230332 | OLIGOMER/HALLOYSITE COMPOSITE MATERIAL AND METHOD FOR PREPARING THE SAME, AND HYDROCARBON ADSORBENT USING THE SAME - There is provided a method for manufacturing oligomer/halloysite composite material including the steps of: adding halloysite powder to an oligomer solution to be mixed; heating the mixed material to expand air inside of halloysite nanotube; and filling the oligomer solution inside of the halloysite nanotube by cooling the mixed material to a room temperature. | 09-22-2011 |
| 20110219955 | REDUCTION APPARATUS OF RADON IN THE GROUNDWATER HAVING DISINFECTION MEANS - Provided is a radon reduction apparatus for groundwater having a disinfection means. The radon reduction apparatus includes an agitation space forming body that groundwater fed through a groundwater feed pipe passes through before inflow into the groundwater storage tank and that forms a water turbine installation space whose top portion is not filled with groundwater; a water turbine located in the water turbine installation space to be rotated by groundwater when the fed groundwater falls, is run against the bottom and scattered; an oxygen supply means supplying oxygen to groundwater before inflow of the groundwater to the agitation space forming body; a ventilating fan that is rotated by receiving rotary power of the water turbine and that is connected to the water turbine installation space to discharge air of the water turbine installation space; and an antiseptic solution supply means supplying antiseptic solution to be mixed with the groundwater. | 09-15-2011 |
| 20110219867 | Measuring Apparatus with AE Sensor, Installing Method Thereof, and Set of the Measuring Apparatus - Provided is a measuring apparatus with AE sensors, which detects the same AE signals with respect to the same events that damage a geotechnical structure, regardless of ground conditions and formations in the geotechnical structure, thereby collecting reliable AE signals. Also, provided is(are) an installing method of the measuring apparatus with the AE sensor, and a set of the measuring apparatus with the AE sensor. | 09-15-2011 |
| 20110068940 | APPARATUS FOR DETECTING CARBON DIOXIDE CONCENTRATION IN UNSATURATED ZONE, CARBON DIOXIDE CONCENTRATION MONITORING SYSTEM, AND CARBON DIOXIDE CONCENTRATION MONITORING METHOD - A system for monitoring a concentration of carbon dioxide in an unsaturated zone of a site in which carbon dioxide should be stored underground is provided which includes: a plurality of apparatuses for detecting the concentration of carbon dioxide in the unsaturated zone, each including a cylindrical chamber buried in an unsaturated zone under the earth surface, gas introduction holes formed in the side surface of the chamber, and a carbon dioxide concentration sensor formed through the top of the chamber for measuring the concentration of carbon dioxide contained in the gas in the chamber; a plurality of communication devices transmitting the carbon dioxide concentration from the carbon dioxide concentration sensor; and a monitoring server storing a reference carbon dioxide concentration every time zone and comparing the reference carbon dioxide concentration with the measured carbon dioxide concentrations transmitted from the communication devices to output a normal or abnormal signal. | 03-24-2011 |
| 20110049415 | Fabrication Method of ZNO Nano-Particle and Fabrication Method of ZNO Nano-Fluid Using Thereof - Provided are a method for preparing zinc oxide (ZnO) nanoparticles and a method for preparing ZnO nanofluid using the same. The method for preparing ZnO nanoparticles includes: a) heating deionized water; b) dissolving zinc (Zn) salt in the deionized water to prepare a precursor solution; c) adding solid alkali salt to the precursor solution to prepare a dispersion of ZnO nanoparticles; and d) separating the ZnO nanoparticles by solid-liquid separation and washing them with deionized water. Highly pure, crystalline ZnO nanoparticles with spherical shape and very narrow particle size distribution of 10 to 50 nm can be prepared quickly and at large scale and low cost using inexpensive materials via a stable low-temperature process, without using a dispersant. The associated low-temperature, normal-pressure process produces few harmful materials and may be easily employed for production of ZnO nanoparticles. | 03-03-2011 |
| 20100300219 | Sub-Sampler - Provided is a sub-sampler used for taking a sub-sample from a core sample filled in a liner of a corer. The sub-sampler includes agitation preventing walls | 12-02-2010 |
| 20100272628 | Fabrication of Plate-Like Natural Crystalline Graphite with Nano-Scale Thickness - Provided is a method for preparing plate-like ultrafine particles of flaky graphite having an average graphite plate diameter of 3-5 μm and a graphite plate thickness of 20-60 nm, including: grinding natural flaky graphite to control the particle size to 5-15 μm; dipping the ground flaky graphite into an aqueous solution containing an acid and an oxidizing agent, followed by washing and drying, to form a graphite intercalation compound in the ground flaky graphite; carrying out gasification of the graphite intercalation compound via low-temperature heat treatment to expand the flaky graphite to 20-30%; and carrying out wet grinding of the expanded flaky graphite at a slurry concentration of 20-28 wt %. | 10-28-2010 |
| 20100116459 | Ground Water Restoration Type Terrestrial Heat Exchanger Using Auto Temperature Bypass Apparatus - A pipe well; a ground water outlet pipe inserted into the pipe well; a submerged pump installed at the ground water outlet pipe; a heat exchanger in which the ground water is circulated and terrestrial heat of the ground water is heat-exchanged; a collection pipe collects the ground water circulated through the heat exchanger into the pipe well; a connection pipe which connects the submerged pump and the heat exchanger; an auto temperature bypass apparatus which is installed at the connection pipe to automatically bypass the ground water from the connection pipe when a temperature of the ground water arrives at a predetermined value; a discharge pipe through which the ground water bypassed is discharged; and a ground water restoration hole adjacent to the pipe well in which the discharge pipe is inserted to fill up the ground water nearby. | 05-13-2010 |
| 20090315232 | Dissolution Apparatus for Noble Metals - Provided is an apparatus for dissolving noble metals, including: a sealed dissolution reactor provided with agitators; a sealed electrolysis type chlorine producing unit for supplying chlorine gas produced via electrolysis to the dissolution reactor; a pH adjusting unit for controlling and maintaining pH of the liquid inside the dissolution reactor to convert the chlorine gas supplied to the dissolution reactor into a chlorine compound; and an inorganic material extraction unit for extracting inorganic materials from the liquid received from the dissolution reactor via heating/evaporation, wherein the pH adjusting unit controls pH of the liquid inside the dissolution reactor in such a manner that the chlorine compound is produced, the noble metal in a noble metal-containing sample introduced into the dissolution reactor is dissolved by the chlorine compound, and the liquid evaporated from the inorganic material extraction unit is recycled to the dissolution reactor. | 12-24-2009 |
| 20090130485 | OLIGOMER/HALLOYSITE COMPOSITE MATERIAL AND METHOD FOR PREPARING THE SAME, AND HYDROCARBON ADSORBENT USING THE SAME - There is provided a method for manufacturing oligomer/halloysite composite material including the steps of: adding halloysite powder to an oligomer solution to be mixed; heating the mixed material to expand air inside of halloysite nanotube; and filling the oligomer solution inside of the halloysite nanotube by cooling the mixed material to a room temperature. | 05-21-2009 |
