Integrated monitoring system for radiological surveillance of groundwater and operation method thereof

Patent metadata

Field	Value
Publication number	US-10928525-B2
Application number	US-201816211965-A
Country	US
Kind code	B2
Filing date	Dec 6, 2018
Priority date	Jan 24, 2018
Publication date	Feb 23, 2021
Grant date	Feb 23, 2021

Abstract

An integrated monitoring system for radiological surveillance of groundwater and an operation method thereof are disclosed. The integrated monitoring system for radiological surveillance of groundwater around a nuclear facility according to an embodiment of the present disclosure may include a field monitoring system configured to monitor sectionally isolated groundwater characteristics by establishing a multiple packer system at each depth in groundwater around the nuclear facility, and measure whether or not radioactive contamination has occurred at each depth in groundwater pumped through an automatic branching apparatus connected to a sectional groundwater flow pipe isolatedly disposed at the each depth, and convert field measurement data acquired based on the measurement result into a DB and transmit the DB to a remote monitoring apparatus over a network, and the remote monitoring apparatus configured to remotely control the field monitoring system, and receive the DB-based field measurement data from the field monitoring system, and analyze the received field measurement data to predict a radioactive contaminant source, and provide a contaminant plume showing the distribution characteristics of contaminants in 3D graphic processing.

First claim

What is claimed is:

1. An integrated monitoring system for radiological surveillance of groundwater around a nuclear facility, comprising:
a field monitoring system configured to monitor sectionally isolated groundwater characteristics by establishing a multiple packer system at each depth in groundwater around the nuclear facility, and measure whether or not radioactive contamination has occurred at each depth in groundwater pumped through an automatic branching apparatus connected to a sectional groundwater flow pipe isolatedly disposed at the each depth, and convert field measurement data acquired based on the measurement result into a database and transmit the database to a remote monitoring apparatus over a network; and
the remote monitoring apparatus configured to remotely control the field monitoring system, and receive the database-based field measurement data from the field monitoring system, and analyze the received field measurement data to predict a radioactive contaminant source, and provide a contaminant plume showing the distribution characteristics of contaminants in 3D graphic processing; and
whererin the remote monitoring apparatus transmits a monitoring procedure input value based on at least one of a range of radioactive contamination, a concentration, a groundwater flow, and a nuclide transport included in the 3D graphic to the field monitoring system, and
whererin the field monitoring system measures the radioactive contamination occurred at each depth in groundwater by changing a at least one of a radioactive measurement cycle of groundwater for each section, a collection cycle of measurement data, a groundwater collection cycle and a water collection amount according to the monitoring procedure input value.

2. The integrated monitoring system for radiological surveillance of groundwater of claim 1 , wherein the integrated monitoring system for radiological surveillance of groundwater further comprises an external communication element for communication between the field monitoring system and the remote monitoring apparatus, and
the external communication element comprises a plurality of communication network elements to prevent the loss of data to receive the database-based field measurement data at a planned communication cycle using any one of the plurality of communication network elements, and transmit the monitoring procedure input value to the field monitoring system as a feedback using another one thereof.

3. The integrated monitoring system for radiological surveillance of groundwater of claim 1 , wherein the remote monitoring apparatus further comprises:
an input element configured to receive a time setting information related to the 3D graphic; and
a display element configured to display the 3D graphic and a predictive three-dimensional image in which an image of the 3D graphic gradually changes according to the received time setting information.

4. The integrated monitoring system for radiological surveillance of groundwater of claim 3 , wherein a range of radioactive contamination, a concentration, a groundwater flow, and a nuclide transport in groundwater are displayed in a form of a combined image on the 3D graphic.

5. The integrated monitoring system for radiological surveillance of groundwater of claim 1 , wherein the remote monitoring apparatus provides data concerning the 3D graphic and numerical values associated with a time series analysis, a groundwater flow model, a geochemical model, and a nuclide transport model corresponding thereto to a determined radioactive contamination restoration element through an external communication element based on a radioactive contamination evaluation corresponding to an analysis of the received field measurement data.

6. The integrated monitoring system for radiological surveillance of groundwater of claim 1 , wherein the remote monitoring apparatus further comprises a notification element configured to display a predetermined notification when a result of radioactive contamination evaluation corresponding to an analysis of the field measurement data is predicted as a contamination degree exceeding the reference range.

7. The integrated monitoring system for radiological surveillance of groundwater of claim 1 , wherein the multiple packer system is established to form an isolated section of groundwater at each depth using a plurality of packers capable of flowing away in a vertical direction with a structure that surrounds each groundwater flow pipe disposed at each depth, and
an automatic branching apparatus connected to the groundwater flow pipe is formed in a radial shape based on a central axis in which a plurality of groundwater inflow channels are formed to be rotatable with respect to each of the groundwater flow pipes at each depth to automatically branch the pumped groundwater for each section.

8. The integrated monitoring system for radiological surveillance of groundwater of claim 7 , wherein the remote monitoring apparatus performs groundwater characteristic monitoring in real time using a plurality of hydrogeochemical sensors disposed in an isolated section at each depth controlled by the plurality of packers, and controls the field monitoring system to change a survey cycle and order of some depths related to a display result of the depths isolated by the plurality of packers.

9. A method of operating an integrated monitoring system for radiological surveillance of groundwater comprising a field monitoring system around a nuclear facility and a remote monitoring apparatus that controls the field monitoring system, the method comprising:
monitoring sectionally isolated groundwater characteristics by establishing a multiple packer system at each depth in groundwater around the nuclear facility;
measuring whether or not radioactive contamination of groundwater has occurred for the each section through an automatic branching apparatus connected to a groundwater flow pipe isolatedly disposed for the each section;
converting field measurement data acquired on the basis of the measurement result into a database and transmitting the database to the remote monitoring apparatus over a network;
analyzing the database-based field measurement data from the field monitoring system to predict a radioactive contaminant source;
displaying a contaminant plume showing the distribution characteristics of contaminants in 3D graphic processing;
transmitting a monitoring procedure input value based on at least one of a range of radioactive contamination, a concentration, a groundwater flow, and a nuclide transport included in the 3D graphic to the field monitoring system, and
measuring the radioactive contamination occurred at each depth in groundwater by changing a at least one of a radioactive measurement cycle of groundwater for each section, a collection cycle of measurement data, a groundwater collection cycle and a water collection amount according to the monitoring procedure input value.

Assignees

• Korea Atomic Energy Res

Inventors

• Kwon Jang-Soon
• Koh Yong-Kwon
• Lee Jae-Kwang
• Baik Min-Hoon

Classifications

• G06Q50/10 Primary

  Services · CPC title

• G01T1/169

  Exploration, location of contaminated surface areas · CPC title

• G01N33/246

  for water content · CPC title

• G06Q50/26

  Government or public services (business processes related to the transportation industry G06Q50/40) · CPC title

• G01T1/178 Primary

  for measuring specific activity in the presence of other radioactive substances, e.g. natural, in the air or in liquids such as rain water · CPC title