53 results about "Radon gas" patented technology

The invention discloses a shallow hidden fire area radon gas in-situ tracing accurate identification and definition prevention and control system, belongs to the technical field of mine fire prevention and control, and aims to construct a dynamic monitoring, accurate delineation and targeted plugging multi-cooperation closed-loop governance chain and an in-situ radon detection and identification monitoring unit. Drilling, cup burying and sampling integrated operation is completed, and a radon gas concentration abnormal signal is monitored in real time; the radon measurement magnetic method fire area precise delineation unit is used for quantitatively delineating a fire source prevention and control area in a grading manner by fusing a radon gas magnetic field two-parameter ring type measurement network layout and combining an intersection and union set abnormal area division method and a comprehensive abnormal index threshold value method; according to the earth surface crack self-adaption blocking treatment unit, a dynamic shoveling solidified slurry precise blocking device is adopted, and efficient treatment of the shallow buried coal seam hidden fire area is achieved by separating an earth surface and an underground air leakage channel through bucket prepared soil screening and conveying, instant slurry preparation through a synthesis system, directional slurry spraying through a blocking mechanism and crawler belt ballasting dense blocking.

The invention provides a radon gas detection method and device, electronic equipment and a storage medium. The method comprises the following steps: collecting a plurality of first electric signals from electric signals flowing through a comparator according to a preset time interval in a target time range; in response to the received interrupt signal from the comparator, determining a second electric signal corresponding to the occurrence moment of the interrupt signal from the plurality of first electric signals; determining a first noise value according to the plurality of third electric signals; the first range value is compensated according to the first noise value, a second range value is determined, the first range value is used for representing a signal peak range of particles corresponding to radon in a noise elimination state, and the plurality of third electric signals are signals different from the second electric signals in the plurality of first electric signals; determining a fourth electric signal whose signal peak value satisfies a second range value from the second electric signals; and determining the concentration value of the radon gas according to the number of the fourth electric signals. The accuracy of radon gas concentration detection can be improved.

1. Name of the product in this design: Radon Analyzer (RM-73). 2. Purpose of this design: For detecting radon gas. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present invention relates to the field of nuclear radiation detection technology, and provides a tritium measurement device with radon discrimination capabilities. The device comprises a gas flow ionization chamber, a current amplification circuit, a pulse amplification circuit, and a signal processing circuit. The collector of the gas flow ionization chamber is connected to the current amplification circuit, which amplifies and measures the current signal in the gas flow ionization chamber. The measured signal includes the current signals of tritium beta particles and radon alpha particles. The high-voltage electrode of the gas flow ionization chamber is connected to the pulse amplification circuit after passing through a DC-blocking capacitor, which measures the pulse signal generated by radon alpha particles. The device structure of the present invention is convenient to implement, comprising only a single detection device. It can measure and discriminate radon alpha particles entering the gas flow tritium ionization chamber in real time, accurately compensate for tritium measurement results, and prevent further increase in the total mean square error of the measurement results after compensation.

A radon gas mitigation system and kit for a building with a crawlspace comprises a plurality of radon gas intakes arranged under a vapor barrier in the crawlspace to be in a subterranean environment and outside a building envelope. The intakes are arranged to be respectively registered with one of plural foundation walls and collectively arranged to generally follow the building footprint. The intakes are arranged in spaced relation to the foundation walls. A manifold is arranged in the building envelope and in fluidic communication with the intakes; a fan in the building envelope and in fluidic communication with the manifold and configured to generate an airflow to draw radon gas from the subterranean environment and to the manifold; and an outlet arranged in the building at a location above a grade of ground and in fluidic communication with the manifold and configured to release the radon gas to the outside.

The utility model belongs to the technical field of radon daughter purification, and discloses radon removal equipment which comprises a box body, a longitudinal partition plate is fixed in the box body and divides the box body into a purification cavity and a detection cavity, a horizontal partition plate is fixed in the detection cavity, and an air inlet is formed in one side wall of the detection cavity; a radon and daughter concentration detector is mounted on the horizontal partition plate; a control assembly is installed below the horizontal partition plate and comprises a data processor, a comparator and a controller, and the comparator is in electric signal connection with the data processor. A purification assembly is mounted in the purification cavity, and an air outlet I and an air outlet II are formed in the side walls of the box body corresponding to the top and bottom ends of the purification assembly in the purification cavity respectively; a wind direction changing assembly is mounted at the top of the purification cavity and is in electric control connection with the controller. According to the equipment, the purification effect on radon gas and daughters of the radon gas is improved, the control effect of equipment operation is also improved, the service life of the equipment is prolonged, and automatic remote control of the equipment also provides safety guarantee for workers.

The utility model relates to the technical field of radon gas detection, in particular to an intelligent sensor which is used for detecting radon gas and has an anti-vibration function. Comprising an ion pulse ionization chamber and a detection assembly in the ion pulse ionization chamber, a main control circuit board is arranged at the upper end of the ion pulse ionization chamber, the detection assembly is connected to the main control circuit board, a vibration sensor is fixedly arranged on the main control circuit board, the vibration sensor is arranged on the main control circuit board, the model of the vibration sensor is SW-18015PZR-10G12B3, and the detection assembly is connected to the detection assembly. When environment vibration or real object vibration occurs, the vibration sensor transmits a switching value signal to the main control circuit board, the main control circuit board receives the switching value signal of the vibration sensor, and at the moment, the main control circuit board controls other units to stop working. And the service life and the stability of the radon gas sensor are well protected.

The radon gas and radon daughter measuring device comprises a metal hyperbaric chamber, a detector is arranged on one end face in a cavity of the metal hyperbaric chamber, the metal hyperbaric chamber is provided with a first gas inlet, a second gas inlet and a gas outlet, the first gas inlet is communicated with a port B of a four-way valve through a filter element, the second gas inlet is directly communicated with a port C of the four-way valve, and the gas outlet is communicated with a port C of the four-way valve. The air outlet is communicated with an E port of the three-way valve through the pump, a D port of the four-way valve is communicated with a G port of the three-way valve, an A port of the four-way valve is a measuring body air inlet, and an F port of the three-way valve is a measuring body air outlet. The invention further discloses a radon gas and radon daughter measurement method based on the device. The method comprises a radon gas independent measurement mode and a radon gas and radon daughter simultaneous measurement mode. According to the invention, the radon gas can be measured independently and the concentration of the radon gas and the radon daughters can be measured at the same time through one instrument, so that the problem that the radon gas and the radon daughters need to be measured respectively by various instruments at present can be well solved.

The utility model discloses a continuous soil radon gas collecting device which comprises a shell, an air pressure balancing unit, an air extracting mechanism, a control box and a ground inserting pipe. According to the continuous soil radon gas collecting device, the gas extracting mechanism is used for extracting gas, the gas pressure balancing unit balances the gas pressure of the gas extracting mechanism, the gas pressure at the outer long-strip-shaped hole in the lower side of the ground inserting pipe is balanced, soil sucked into the ground inserting pipe is effectively reduced, and the outer long-strip-shaped hole is large in hole opening, not prone to being blocked and free of being frequently extracted for cleaning; radon gas can be continuously collected; the shell and the top cover are utilized to enable the shell to be opened, so that components in the shell can be conveniently maintained; the controller communicates with a remote control center through the wireless communication module so as to receive a control signal sent by the remote control center.

1. Name of the product in this design: Radon Analyzer (RM-62). 2. Purpose of this design: For detecting radon gas. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a granite radon source-based radon detector detection method and a related device, the method is applied to a controller in a radon detector detection system, and the radon detector detection system further comprises a granite radon source, a test space and a ventilation fan between the granite radon source and the test space. The method comprises the following steps: determining a first target concentration, wherein the first target concentration is not less than the alarm concentration of a detected radon gas detector; the ventilation fan is controlled to act on the granite radon source, so that the radon gas concentration in the test space meets the first target concentration; acquiring a first signal obtained by detecting the radon gas in the test space by the detected radon gas detector; and detecting the detection performance of the radon gas detector to be detected according to the first signal. By implementing the method provided by the invention, the detection cost of the radon gas detector can be reduced.

The invention belongs to the technical field of sandstone-type uranium ore metallogenic prediction, and particularly relates to a method suitable for rapidly positioning sandstone-type uranium ore in a target stratum exposure region, and the method comprises the steps: carrying out the processing and analysis of uranium ore geological data, and circling a uranium ore target stratum exposure region A; analyzing aviation radioactive data, and extracting an aviation radioactive uranium abnormal region B; carrying out superposition analysis on the A and the area B to determine a favorable uranium mining area C; processing and analyzing soil geochemical exploration data in the C, and extracting a soil geochemical exploration Th / U abnormal region D and a soil geochemical exploration U abnormal region E; hydrogeological data in the C is analyzed, the Th / U abnormal area D and the U abnormal area E are subjected to superposition analysis, and a target area F beneficial to uranium mineralization is determined; soil radon gas measurement is carried out in the F, and a uranium metallogenic target region G is determined; carrying out soil micro-fine granulation detection in the F, and determining a uranium metallogenic target region H; and G and H are subjected to superposition analysis, and a uranium metallogenic target region I is determined. According to the method, the sandstone-type uranium ore in the exposed region of the target stratum can be efficiently and rapidly implemented.

The invention discloses a hydropower station operation corridor radon gas concentration-fan frequency conversion linkage prevention and control method. The method comprises the following steps that S1, ventilation systems are evenly distributed in all ventilation branches of a corridor; s2, establishing an air volume database of the ventilator of each ventilation branch running at different frequencies; s3, acquiring data in real time, and predicting the data; s4, the upper computer monitoring platform sets the priority according to the real-time detection data and the predicted value of each ventilation branch, and determines the number of started ventilators and the starting sequence of the ventilators of each ventilation branch; and S5, controlling the ventilation system of each ventilation branch according to the priority. Radon discharge information in the corridor can be detected, the radon emission amount in the next time period can be predicted, and the operation frequency of a ventilator required by radon dilution can be dynamically adjusted in real time.

A device for determining radon concentration is provided. The device includes a diffusion chamber, that includes a number of openings that allow radon gas to enter and exit, and a radon sensing arrangement. The radon sensing arrangement includes at least one processing device and one or more detectors, arranged inside the diffusion chamber in such a way that no part of the diffusion chamber is located at a distance, perpendicular to the detector, of more than 20 mm from the closest part of a detector. The at least one processing device is arranged to determine the radon concentration by analyzing and processing the energy spectrum of alpha particles detected by the one or more detectors.

The utility model relates to a water and gas splashing separation device for sampling of a fluid observation well, and belongs to the technical field of sampling equipment of the fluid observation well. The conical mesh screen and the planar mesh screen are combined, and the motor drives the rotating shaft to rotate, so that a water sample is splashed down on the conical mesh screen and the planar mesh screen, the collision speed and the collision area of water flow are increased, the water sample is fully scattered and diffused, the water-gas separation effect is enhanced, radon gas can quickly escape, and the radon gas separation efficiency is improved. Therefore, the degassing efficiency is improved, and the monitoring data is more accurate.

The invention discloses a surrounding rock grouting effect evaluation system and method based on radon gas monitoring, and relates to the field of surrounding rock grouting effect evaluation. The system comprises a radon gas monitoring system and a laboratory device, the radon gas monitoring system comprises a monitoring grouting anchor rod and a radon measuring assembly. A plurality of monitoring grouting anchor rods are arranged, each monitoring grouting anchor rod comprises a hollow rod body and three air exhaust rods embedded in the hollow rod body in parallel, grouting holes are formed in the pipe wall of the hollow rod body, the tail end of the hollow rod body can be opened and closed, the air outlet ends of the three air exhaust rods are fixedly installed at the tail end of the hollow rod body, and the air inlet ends of the three air exhaust rods are correspondingly located in the ranges of an elastic area, a plastic area and a broken area of surrounding rock. The radon measuring assembly comprises a radon measuring instrument; the laboratory device is a triaxial pressure experiment device. On-site actual measurement and experimental analysis are combined, multi-point radon gas precipitation concentration is synchronously monitored on site and compared with a critical characteristic threshold value, grouting effects at different depths in a rock stratum are inverted according to radon gas concentration distribution characteristics, operation is convenient and fast, system monitoring efficiency is high, and data reliability is high.

This invention provides an intelligent indoor radon monitoring system and method, relating to the field of radon monitoring technology. The system includes: deploying a multi-sensor fusion monitoring network in the room to be monitored, based on spatial grid division and multi-factor priority evaluation results; dynamically adapting the sampling frequency through the monitoring network, and simultaneously collecting radon concentration data, temperature data, humidity data, and airflow velocity data based on the determined sampling frequency; preprocessing and compensating for environmental multi-factor coupling on the collected radon concentration data, temperature data, humidity data, and airflow velocity data to obtain corrected, accurate radon concentration data; and executing multi-level early warning decisions based on the comparison results between the corrected, accurate radon concentration data and a preset threshold.

The invention discloses a radon gas concentration detection system and method, and belongs to the technical field of environmental monitoring. The system comprises a radon gas collecting device integrated with an environmental parameter monitoring function, a radon sensor with a temperature compensation function and a set of advanced data processing and analyzing software. The radon gas collecting device is used for collecting radon gas samples inside and outside urban buildings, and the environmental parameter monitoring function is used for recording the temperature and humidity of a sampling site in real time. The radon sensor with the temperature compensation function can accurately measure the radon concentration and automatically adjust the calibration coefficient to eliminate the influence of temperature fluctuation. And the data processing and analysis software is responsible for collecting, processing and analyzing all data and finally outputting an accurate radon concentration report. According to the invention, accurate measurement of the radon gas concentration in the urban environment is realized, and the radon gas concentration is not interfered by factors such as environment humidity and temperature. By integrating an environmental parameter monitoring function and a temperature compensation technology, the system significantly improves the accuracy and stability of measurement.

The invention discloses a uranium mine surface radon exhalation rate ex-situ measurement device and a measurement method, the uranium mine surface radon exhalation rate ex-situ measurement device comprises a gas collection hood and a gas extraction piece, a closed-up gas collection channel is arranged above the gas collection hood, the surface of the gas collection channel is provided with two symmetrically arranged connecting pipes, the bottom of the gas extraction piece is provided with insertion holes corresponding to the connecting pipes, and the insertion holes are communicated with the gas collection hood. The air extracting piece is connected with the air collecting channel at the inserting hole through connecting pipes, an air pump is arranged at the end of one connecting pipe, an output pipe extending outwards is arranged on the surface of the air extracting piece, an annular clamping support is arranged in the air collecting channel, a steel wire cage frame is supported above the annular clamping support, and a drying agent is arranged in the steel wire cage frame; the uranium mine surface radon exhalation rate ex-situ measurement device can effectively collect, transfer and precipitate radon gas, is not limited by gas collection positions and environments during measurement, avoids radiation hidden dangers, can efficiently and accurately measure, provides technical support for ecological restoration, and is suitable for popularization and application.

1. Name of the product in this design: Radon Analyzer (RM-70). 2. Purpose of this design: For detecting radon gas. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a radon gas detector detection method based on a granite radon source and related devices, and the method is applied to a controller in a radon gas detector detection system, the radon gas detector detection system further comprises a granite radon source, a test space and a ventilation fan between the granite radon source and the test space, and the method comprises the following steps: determining a first target concentration, the first target concentration is not less than an alarm concentration of a measured radon gas detector; controlling the ventilation fan to act on the granite radon source, so that the radon gas concentration in the test space meets the first target concentration; obtaining a first signal obtained by the measured radon gas detector detecting radon gas in the test space; and detecting the detection performance of the measured radon gas detector according to the first signal. By implementing the method in the application, the detection cost of the radon gas detector can be reduced.

This utility model relates to an auxiliary drilling mechanism for radon gas detection in formations, including a support frame, a drilling mechanism, and a hammer pressing mechanism. The support frame is equipped with the hammer pressing mechanism, which has a pressing tube. Strike on the corresponding hammer pressing mechanism allows the lower end of the pressing tube to insert into the formation. The drilling mechanism has a drill rod that extends into the pressing tube without contacting it. After the pressing tube is inserted into the formation a certain distance, the drill rod moves downwards to remove soil from the pressing tube, thus completing the drilling operation. The beneficial effect of this utility model is that it makes the soil inside the drilled hole more compact, making it less likely to be extracted during radon gas detection, thus preventing the loss of radon gas from the soil.

Liquid is irradiated in irradiation device (2) by protons, deuterium nuclei or gamma rays. 226 The radium target, and the resulting product extracted from the irradiated liquid target solution in the first extraction device (6). 225 Origin of A 226 Radium production 225 Actinium. Then, after another irradiation, it was removed. 225 Actinium liquid target solution for further production 225 Actinium. The liquid target solution is preferably circulated through the irradiation device in a closed loop (4) and through the first extraction device (6) in another closed loop (7). The advantage of this method is that the irradiated target solution does not require drying and redissolving to separate radium from the produced actinium, and no further drying and redissolving steps are needed to regenerate the liquid target from the separated radium. Therefore, radium targets can be recovered more efficiently and safely, especially considering the effects of... 226 Radon gas is continuously produced by the decay of radium.

The invention provides a radon gas and temperature and humidity combined elimination control system and method. The system comprises an air supply section, an air exhaust section and an air return section which are connected with an underground radon dissipation room. In the air supply section, an air inlet of the underground radon dissipation room is sequentially connected with an air feeder, an air mixing section and a fresh air machine; in the exhaust section, an exhaust outlet of the underground radon dissipation room is sequentially connected with a secondary condenser, an electric heater, a radon gas continuous adsorption and desorption device, a cooling section of a heat recovery device and an exhaust fan; in the air return section, an air return opening of the underground radon dissipation room is sequentially connected with an air return fan, a primary and medium efficiency filter, a first-stage evaporator, a second-stage evaporator, a radon gas continuous adsorption and desorption device, a first-stage condenser, a heating section of a heat recovery device and an air mixing section. The system simultaneously realizes large-air-volume continuous and reliable operation of adsorption and analysis, can be used for radon removal in a large-space room or a multi-room area, overcomes the defects that a conventional radon gas adsorption device cannot continuously and deeply remove radon and is small in treatment air volume, and is beneficial to popularization and application.

The invention provides a polyurea coating for radon gas barrier and a preparation method and application thereof. The radon gas barrier property and radiation aging resistance of the polyurea coating can be improved by adding inorganic components (specifically inorganic anti-radiation particles and layered silicate and / or graphite) into the polyurea coating. Compared with a common polyurea coating, the polyurea coating provided by the invention has the advantages that the radon gas transmittance can be improved by more than one order of magnitude, and the radiation aging resistance can be improved by more than one time. Compared with other radon gas-proof coatings, the polyurea coating disclosed by the invention has excellent construction performance and can realize full space coverage.

The present invention belongs to the field of radioactive environmental protection, and specifically relates to a method for reducing the radioactive intensity of a field work site, comprising: step (1): determining the distribution characteristics of the radioactive field in the field work site; step (2): physically removing easily handled highly radioactive materials; step (3): using a coarse gravel layer to adsorb radon gas and block alpha particles; step (4): using a metal shielding blanket layer to block radon gas and beta rays; and step (5): using a fine-grained sand and gravel protective layer to block gamma rays. The method of the present invention effectively solves the problem of radioactive radiation protection in field work sites during the exploration or mining of radioactive mineral deposits.

The invention belongs to the technical field of jewelry detection, and provides a jewelry jade radioactivity multi-parameter rapid detection device, which comprises a box body, a multifunctional detection area, a tray and a sample loading container, the multifunctional detection area is fixedly arranged at the top in the box body, and the multifunctional detection area is used for detecting radioactivity; the tray is arranged in the box body, the sample loading container is placed on the tray, and a sample to be detected is placed in the sample loading container; a closed and stable detection environment is established, a closed structure is adopted, and the device is arranged in an independent space with extremely small external interference. According to the design, natural radioactive interference such as radon gas in the environment can be effectively isolated, meanwhile, the influence of an external gamma ray background on a measurement result is remarkably reduced, basic guarantee is provided for accurate measurement, and rapid and nondestructive measurement of the gamma radiation dose rate and the alpha / beta surface pollution level of the jewelry jade surface is achieved.

The present application provides a radon gas detection method, apparatus, electronic device, and storage medium. The method includes: obtaining the number of first, second, and third particles generated by atomic decay of radon gas collected within a preset time period, where the first particle is emitted after the decay of radon-222, the second particle is emitted after the decay of polonium-218, and the third particle is emitted after the decay of polonium-214; determining a first humidity value based on a first ratio between the number of second or third particles and the number of first particles, where the smaller the first ratio, the greater the first humidity value; determining a first calibration coefficient based on the first humidity value, where the smaller the first humidity value, the smaller the first calibration coefficient; and determining a first radon gas concentration value based on the first calibration coefficient and the number of fifth particles, where the fifth particle is at least one of the second and third particles. This avoids the need for an additional humidity sensor and reduces product production costs.

Laboratory apparatus for detection of radon gas levels

The present application relates to a kind of radon detection device, ECL detection system and its application, ECL detection system includes radon detection device, radon detection device includes by working electrode, counter electrode and reference electrode constitute three electrode system, the electrolyte of three electrode system contains ruthenium bipyridine salt solution, and working electrode contains specific recognition radon gas aptamer and DNA molecule complementary with aptamer part;Wherein, aptamer is fixed on working electrode, and DNA molecule complementary with aptamer part is modified with amino group.The present application solves the defects of prior art in selectivity, sensitivity, detection time and the like, by electrochemiluminescence (ECL) detection and imaging technology, provide a kind of radon detection device and matching detection system with high selectivity, ultra-low detection limit, fast and the like advantages.