Abstract:
PURPOSE: A radon removal apparatus is provided which removes radon contained in water (fluid) more effectively by using air and activated carbon. CONSTITUTION: The radon removal apparatus comprises a tank(10) on which air inlet hole(13) and air outlet hole(14) are formed, wherein air is flown into the tank through the air inlet hole(13), and the air outlet hole(14) is distanced from the air inlet hole(13) in a certain distance so that air is flown out through the air outlet hole(14); an air pump(20) installed on at least one or more of the air inlet hole(13) and air outlet hole(14) to forcibly pump air into the tank(10); a fluid supply injection part(30) for supplying fluid into the tank(10) and injecting supplied fluid to the upper side of the inner part of the tank(10); an activated carbon filter(40) installed inside the tank(10); and a fluid storage part in which fluid filtered by the activated carbon filter(40) is temporarily stored, wherein the tank(10) is constructed in a structure in which a fluid supply injection part(30) installed first tank(11) and an activated carbon filter(40) installed second tank(12) are sealingly connected to each other, wherein the fluid supply injection part(30) comprises a fluid supply pipe(31) for supplying fluid to the tank(10), and a nozzle(32) for injecting the fluid to the upper side, wherein the nozzle(32) injects the fluid so that the fluid is diffused and rotated, wherein a fluid sensor part(60) for sensing level of the fluid is installed in the tank(10) to control flow rate of the fluid supplied through the fluid supply pipe(31), and wherein an outflow preventing partition installed inside the tank(10) to prevent the fluid from flowing out to the air outlet hole(14).
Abstract:
본 발명은 삼중수소 채취 장비의 채취효율 측정장치, 측정방법, 채취효율 분석시스템, 분석방법, 분석방법 및 그 기록매체에 대한 것이다. 보다 상세하게는, 삼중수소 채취장비의 채취효율 측정장치에 있어서, 내부에 특정 방사능 농도를 갖는 삼중수소 수가 채워진 기준챔버; 내부에 증류수가 채워진 채취챔버; 기준챔버 내로 가스를 공급하는 가스공급부; 가스공급부와 상기 기준챔버 사이에 연결되어, 상기 기준 챔버 내의 삼중수소 수로 상기 가스를 버블링하는 공급버블러; 채취챔버와 상기 기준챔버 사이에 연결되어 상기 기준챔버에서 버블링되어 발생된 기체를 상기 채취챔버 내의 증류수에 버블링하기 위한 연결버블러; 및 기준챔버 내의 삼중수소 수의 방사능 농도와 상기 채취챔버 내의 증류수의 방사능 농도를 측정하는 측정수단을 포함하여 삼중수소 채취장치 공기 부피당 채취효율을 측정, 분석할 수 있어 삼중수소 채취장치의 문제점을 개선, 보완, 교정할 수 있는 것을 특징으로 하는 삼중수소 채취장비의 채취효율 측정장치에 관한 것이다.
Abstract:
PURPOSE: A standard source for calibrating a radioactive substance measuring device and a manufacturing method thereof are provided to reduce influence on a gamma ray peak value in an area where the gamma ray energy is higher from a Compton scattering. CONSTITUTION: A method for manufacturing a standard source for calibrating a radioactive substance measuring device is as follows: An acid solution is added in a specimen container so that a dissolvent is prepared(S120). A necessary dilute solution amount is added in the specimen container so that a mixed solution is manufactured(S150). The acid solution is added in the specimen container in order that the mixed solution may have a specific volume according to the size of a phantom utilized for calibrating the radioactive substance measuring device so that a standard substance is completed(170). [Reference numerals] (AA) Start; (BB) End; (S110) Maintaining a cleaned container at a laboratory temperature and measuring the weight; (S120) Adding 50% of a required amount of 1.0M hydrochloric solution to the container and measuring the weight of hydrochloric solution; (S130,S160) Measuring the current temperature, humidity, and atmospheric pressure; (S140) Collecting necessary nuclides from isotopes through centrifugal separation; (S150) Adding a required amount of the separated nuclides to the container; (S170) Adding the rest 50% of the required amount of 1.0M hydrochloric solution to the container and mixing; (S180) Verifying the dilution rate of a dilute solution and the radioactive density of the nuclides
Abstract:
PURPOSE: A device and a method of detecting radiation source are provided to obtain distance information quickly by obtaining direction information to radiation source. CONSTITUTION: A device and a method of detecting radiation source(100) comprise a collimator(10), a radiation sensor, rotary driving units(50,60), a transferring means (80), a location tracing unit, a radiation location data processing unit. Inside the collimator, light path(11) is formed to collect radiation. The radiation sensor is formed on the end of the light part in order to measure the intensity of incident radiation. The rotary driving units are connected to the collimator, and rotate the collimator upward and downward, and right and left. The transferring means transfers the collimator and the rotary driving units. The location tracing unit measures migration distance transferred by the transferring means; The radiation location data processing unit obtains direction information and distance information of the radiation source on the basis of the measured maximum intensity of radiation, and the migration distance.
Abstract:
An automatic calibration system for measuring radioactivity sources is provided to improve reliability of calibrating results represented by operation voltage and coefficient efficiency. An automatic calibration system for measuring radioactivity sources includes a detector(100), a gas supply device(110), a voltage supply device(120), a first amplifier(130), a wave height analyzer(150), a counter(160), and a control unit(170). The detector measures radioactivity of the sources. The gas supply device is connected to a gas supply pipe in the detector to supply a gas to the detector. The voltage supply device is connected to an anode ray of the detector. The first amplifier amplifies voltage signals of the anode ray and a cathode ray of the detector and outputs the signals as voltages in proportion to energy. The wave height analyzer outputs the voltage signals amplified in the first amplifier as predetermined pulses. The counter counts the pulse by being connected to the wave height analyzer. The control unit is connected to the gas supply device, the voltage supply device, the first amplifier, the wave height analyzer, and the counter respectively and controls operations thereof.
Abstract:
본 발명은 라돈 측정 표준 장비에 관한 것이다. 본 발명은, 라돈 소스와, 상기 라돈 소스와 연결된 라돈 챔버와, 상기 라돈 챔버와 연결된 진공펌프를 포함하는 라돈 측정 표준 장비에 있어서, 상기 라돈 소스와 상기 라돈 챔버 사이에는 버퍼 챔버가 구비되고, 상기 버퍼 챔버로 유입된 기체는 상기 버퍼 챔버에서 냉각을 통해 흡착된 후 가열을 통해 기체로 상변화하여 상기 라돈 챔버로 공급되는 것을 특징으로 하는 라돈 측정 표준 장비를 제공한다.
Abstract:
PURPOSE: A calibration apparatus for radioactivity surface contamination counter is provided to reduce radiation scattering effect inside and enable the correction of a surface contamination factor. CONSTITUTION: A calibration apparatus for radioactivity surface contamination counter comprises a measuring case(100), fixed panels(110a,110b), a transfer intermediation unit, a first rotary shaft, and a first lever(124). The measuring case opens and closes a surface contamination counter. The fixed panels are placed inside the measuring case to be parallel to each other. The transfer intermediation unit is fixed and combined on one side of the fixed panel. The first rotary shaft passes through the center of the transfer intermediation unit.
Abstract:
The present invention relates to a manufacturing method of a standard source material for measuring dust, and a standard source material manufactured thereby and, more specifically, to the manufacturing method of the standard source material measuring dust comprising a step of preparing a liquid standard source; a step of measuring the radioactive concentration and mass of the liquid standard source; a step of loading the liquid standard source on a polyethylene film; a step of measuring the mass of the loaded liquid standard source; a drying step; a step of covering a polyester film on the top of the liquid standard source; and a step of bonding a polyethylene film to the polyester film thermally with a thermal boding device.
Abstract:
본 발명은 다양한 크기와 형태를 갖는 표면오염 계수기의 교정에 적용 가능할 뿐만 아니라 측정기하적인 중심을 항시 일치시키고 교정거리를 정확하게 세팅할 수 있는 방사능 표면오염 계수기 교정 장치 및 이를 이용한 교정 방법에 관한 것이다. 이를 위해 특히, 교정하고자 하는 소정의 표면오염 계수기를 차폐하기 위한 상부 개방형태의 측정함(100); 측정함(100) 내부에 서로 평행하게 배치되며 표면오염 계수기를 대향하여 조임으로써 표면오염 계수기를 고정배치하기 위한 한 쌍의 고정판넬(110a, 110b); 한 쌍의 고정판넬(110a, 110b) 각각의 길이방향 일 측에 고정 결합되고 한 쌍의 고정판넬(110a, 110b)의 대향적 수평이동을 위해 내측이 서로 다른 나선이 형성된 한 쌍의 이송매개수단(122a, 122b); 한 쌍의 이송매개수단(122a, 122b)에 중심을 관통하여 나선 결합되고 한 쌍의 고정판넬(110a, 110b)의 대향적 수평이동 동력을 전달하는 제 1 회전축(120); 제 1 회전축(120)의 일 측에 연결되고 측정함(100) 외부로부터 제 1 회전 동력을 전달받는 제 1 레버(124); 한 쌍의 고정판넬(110a, 110b) 하부에 소정 표준 선원이 배치되는 선원위치대(140); 선원위치대(140)의 일 측에 고정부착되어 제 2 회전 동력을 선원위치대(140)의 수직이동 동력으로 변환하는 수직이동구(132); 수직이동구(132)에 관통하여 나선 결합하고 선원위치대(140)의 수직이동 동력을 전달하는 제 2 회전축(130); 및 제 2 회전축(130)의 일 측에 연결되고 측정함(100) 외부로부터 제 2 회전 동력을 전달받는 제 2 레버(134);를 포함하는 것을 특징으로 하는 방사능 표면오염 계수기 교정 장 치가 개시된다. 방사능, 표면오염 계수기, 표면오염 계수기 교정 장치, 표준선원, 원자력