KR101188124B1 - Integration management system for carbon dioxide geologic injection - Google Patents

Abstract

The present invention is a manifold branch formed into a plurality of branches to receive the carbon dioxide for underground storage from a plurality of storage tanks, the entrance side is formed in communication with the manifold portion and the exit side is connected to the injection pipe to the underground wells, through the manifold portion A distribution chamber for supplying the introduced carbon dioxide to the injection pipe, a temperature controller for controlling the temperature of the carbon dioxide introduced into the distribution chamber, and a flow rate hydraulic control for adjusting the flow rate and oil pressure of the carbon dioxide to be injected underground through the distribution chamber. A carbon dioxide distribution unit for adjusting the temperature, flow rate, and hydraulic conditions of carbon dioxide to be stored underground, and a carbon dioxide connected to a pipe having an open side toward the surface, and detecting surface leakage of carbon dioxide stored after being injected into the ground. Transmitted from the sensing unit, the flow rate hydraulic control unit and the carbon dioxide sensing unit Collects and processes the signal, integrates the log unit for transmitting the processed data, the data transmitted from the log unit and the data transmitted from the client server and the client server through the communication network and analyzes the integrated data, It includes a carbon dioxide management server that manages the analysis results of the underground storage stability of carbon dioxide in real time.

Description

INTEGRATION MANAGEMENT SYSTEM FOR CARBON DIOXIDE GEOLOGIC INJECTION}

The present invention relates to an integrated management system for the storage of carbon dioxide underground, in order to ensure stability according to the underground injection of carbon dioxide, to optimally control the pressure and temperature of the injected carbon dioxide, as well as to effectively monitor the leakage, further leakage from the ground It is a technology that can detect carbon dioxide and promote safer underground storage of carbon dioxide.

Carbon dioxide storage technologies include underground storage technology, marine storage technology and mineral carbonate technology.

Among these, ocean storage technology is a technology for storing carbon dioxide in the ocean or the bottom of the sea in the form of gas, liquid, solid or hydrate, and is concerned with the concern about destruction of the marine ecosystem and instability of long-term carbon dioxide storage. It is a technology that has not been tried in earnest to date.

In addition, mineral carbonation technology is a technology for storing carbon dioxide in a state of insoluble carbonate minerals by chemically reacting carbon dioxide with metal oxides such as calcium and magnesium, and a large amount of reaction energy is required. At the same time, there is a concern that the storage and processing of carbonate minerals themselves cause environmental problems, and thus they belong to a technology that is yet to be realized.

Therefore, until recently, underground storage technology has been evaluated as the most effective carbon dioxide storage technology.

Geologic storage technology refers to a technology that stores carbon dioxide in a suitable geologic formation that exists at depths of 750-1000 m over land (or seabed).

Since the carbon dioxide injected into the depth is present in the supercritical fluid state, the behavior is very slow and reacts with the surrounding strata or underground fluids, causing them to stick or dissolve. In this sense, underground storage technology is also called geologic sequestration technology.

In the CO2 underground storage technology, in order to stably drill a long-depth borehole to the underground storage target layer having a depth of Km underground, and to inject carbon dioxide effectively and stably using an injection facility such as a pressurization device, The design and operation of ground facilities, the realization of leak prevention technologies and the integrated underground storage of carbon dioxide will have to be realized first.

The present invention provides a carbon dioxide distribution device that can optimally control the pressure and temperature of carbon dioxide injected for stable underground injection of carbon dioxide, and at the same time monitor the surface leakage of carbon dioxide injected and stored in underground wells, The technical challenge is to provide an integrated management system for CO2 underground storage to facilitate management operations.

According to the spirit of the present invention for achieving the above technical problem, a plurality of branches formed in a plurality of branches to receive carbon dioxide for underground storage from a plurality of storage tanks; An inlet side is formed in communication with the manifold portion and an outlet side is connected to an inlet pipe directed to the underground well, and a dispensing chamber part for supplying carbon dioxide introduced through the manifold part to the inlet pipe; A temperature controller for controlling the temperature of carbon dioxide introduced into the distribution chamber; And a flow rate hydraulic pressure adjusting unit for adjusting the flow rate and the hydraulic pressure of the carbon dioxide to be injected underground through the distribution chamber unit; and a carbon dioxide distribution unit controlling the temperature, flow rate, and hydraulic conditions of the carbon dioxide to be stored underground; A carbon dioxide detector configured to seal the injection pipe and to be sealed to face the indicator, and to detect an indicator leak of carbon dioxide injected into the ground; A log unit which collects and processes the carbon dioxide detection signal transmitted from the flow rate hydraulic controller and the carbon dioxide detector, and transmits the processed data; A client server collecting data transmitted from the log unit and transmitting the collected data through a communication network; And a carbon dioxide management server for integrating the data transmitted from the client server and analyzing the integrated data to manage the underground storage analysis result of carbon dioxide in real time.

At this time, the carbon dioxide detection unit, the closed type inspection tank is formed protruded in a dome shape in the upper center of the underground well; And a carbon dioxide detecting sensor provided on an outlet pipe connected to an opening of one of the hermetic inspection tanks and configured to detect carbon dioxide leaking from the ground.

The carbon dioxide detection sensor is preferably a flow meter and a pressure gauge provided to detect the flow rate and the hydraulic pressure of the carbon dioxide leaking to the upper surface of the ground well through the center periphery of the well.

In addition, the carbon dioxide detecting unit is provided for each of the plurality of underground wells, and preferably formed in a form of being connected to each of the plurality of log units individually.

In this case, the client server may be configured to collect the carbon dioxide detection signal collected and processed by the log unit and transmit the interlocked command in response to a request received from a user terminal or a carbon dioxide management server through a communication network.

The carbon dioxide management server may include: a system operation module configured to manage and supervise the storage state of carbon dioxide stored in underground wells by analyzing information on carbon dioxide leakage and carbon dioxide underground storage information transmitted from the client server; A database management module for managing a database relating to a carbon dioxide storage state under the control of the system operation module; A report generation module for generating a report through the integrated data drawn from the database management module; And an integrated database unit configured to record and store the integrated data processed through the database management module in a separate storage medium format.

In this case, it is preferable that the integrated data processed through the carbon dioxide management server is data converted into at least one of text information, image information, and audio information.

The temperature control unit may include a temperature sensor mounted on the injection pipe and detecting a temperature of carbon dioxide to be injected from the distribution chamber and injected into the ground; And a heating part disposed in a form surrounding the outer edge of the distribution chamber part to heat and control the temperature of carbon dioxide introduced into the distribution chamber part.

The temperature controller may include a temperature comparison unit configured to compare a temperature of carbon dioxide to be injected into the ground detected by the temperature sensor with a preset reference value; A temperature calculating unit calculating a temperature compensation value of carbon dioxide to be heated by the heating unit by comparing with the reference value; And a temperature controller configured to control an operation of the heating unit to increase the carbon dioxide inside the distribution chamber by the calculated temperature compensation value.

At this time, the flow rate hydraulic pressure control unit, the flow rate detection unit mounted on the injection pipe for detecting the flow rate of carbon dioxide to be injected underground; A hydraulic pressure detection unit mounted on the injection pipe to detect a hydraulic pressure of carbon dioxide to be injected underground; And a valve unit mounted on the injection pipe and configured to adjust a flow rate and hydraulic pressure of carbon dioxide to be injected from the distribution chamber part and injected into the ground.

The flow rate hydraulic pressure controller may compare the flow rate and hydraulic pressure data of the carbon dioxide detected through the flow rate detector and the hydraulic pressure detector with a preset reference value, and supply the appropriate amount of carbon dioxide to be injected into the ground at a proper hydraulic pressure and flow rate. It may further include a flow rate hydraulic control unit for controlling the opening and closing operation.

And one side of the manifold portion, it may be further provided with a socket formed to expand the connection through a plurality of storage tanks and the pipe.

In addition, a lower portion of the plurality of storage tanks may further include an electrothermal warmer for heating the carbon dioxide stored in the plurality of storage tanks so as to be maintained at a predetermined temperature.

And at the outlet side of the plurality of storage tanks, the stop valve provided to open and close the flow of carbon dioxide to be supplied to the distribution chamber; And a pressure gauge provided to detect the hydraulic pressure of the carbon dioxide to be supplied to the distribution chamber part.

And a communication interface configured to transmit an operation signal implemented through the temperature controller and the flow rate hydraulic controller through a wired / wireless communication network in real time, at a time zone, or whenever a user request is received, through the communication interface. The temperature controller and the flow rate hydraulic controller may be controlled to operate according to a command applied from the carbon dioxide management server.

According to the integrated management system for carbon dioxide underground storage of the present invention, to provide a stable underground injection of carbon dioxide, while providing a carbon dioxide distribution device that can optimally control the pressure and temperature of the injected carbon dioxide, while being injected and stored in underground wells By monitoring the surface leakage of carbon dioxide, there is an advantageous technical effect that can lead to more integrated facility management operations.

1 is a view schematically showing the configuration of an integrated management system for carbon dioxide underground storage according to an embodiment of the present invention,
2 is a structural diagram showing a state of detecting surface leakage after storing carbon dioxide in the ground by using an embodiment of the present invention,
3 is a block diagram showing the configuration of an integrated management system for carbon dioxide underground storage according to an embodiment of the present invention,
4 is a block diagram showing a detailed configuration of a carbon dioxide management server in an embodiment of the present invention,
5 is a block diagram showing a data conversion process of various types of information from a carbon dioxide management server according to an embodiment of the present invention;
6 is a structural diagram showing a detailed configuration for the effective distribution of carbon dioxide according to an embodiment of the present invention,
7 is a structural diagram illustrating a temperature and flow rate hydraulic pressure control function of carbon dioxide to be injected underground using an embodiment of the present invention,
Figure 8 is a block diagram showing the temperature and flow rate control function of the carbon dioxide to be injected underground in accordance with an embodiment of the present invention is controlled by the carbon dioxide management server.

Hereinafter, a preferred embodiment of the integrated management system for carbon dioxide underground storage according to the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a view schematically showing the configuration of the integrated management system for carbon dioxide underground storage according to an embodiment of the present invention, Figure 2 is a surface leakage after storing carbon dioxide into the ground using an embodiment of the present invention It is a structural diagram showing the appearance of sensing.

1 and 2 schematically illustrate only the features of the present invention in order to conceptually explain the constructional relationship and the effect of the present invention, and as a result, various modifications of the drawings are expected, The present invention need not be limited.

First, with reference to Figure 1 will be described in detail the configuration of the carbon dioxide distribution device is improved pressure and temperature control function for carbon dioxide underground injection according to a preferred embodiment of the present invention.

As shown in FIG. 1, a carbon dioxide distribution device according to a preferred embodiment of the present invention includes a manifold unit 110 in which a plurality of pipes are branched to receive carbon dioxide for underground injection from a storage tank, and the manifold unit 110. Distributing chamber unit 120 and the temperature to control the temperature of the carbon dioxide introduced into the distribution chamber portion 120 formed to supply the carbon dioxide introduced through the injection pipe 122 connected to the underground well (pipe) It includes a carbon dioxide distribution unit including a control unit 130 and the flow rate hydraulic control unit 140 for adjusting the flow rate and the hydraulic pressure of the carbon dioxide to be injected underground through the distribution chamber unit 120 as a basic configuration.

The carbon dioxide whose temperature, flow rate, and hydraulic pressure are controlled by the carbon dioxide distribution unit may be stored and stored in the underground well 200, more specifically, the borehole 201.

In the borehole 201, a packer 203 may be provided to fix the position of the injection pipe 122, and underground storage of carbon dioxide may be safely induced through the borehole 201 and the packer 203. Can be.

However, the carbon dioxide injected and stored into the borehole 201 through the injection pipe 122 may leak out of the surface due to the characteristics of the gas. In this case, it is preferable that a means for detecting the flow rate or hydraulic pressure of the leaked carbon dioxide is provided.

A preferred embodiment of the present invention relates to a system for more effectively storing underground carbon dioxide by detecting the surface leakage of carbon dioxide, and further includes a system for integrated management thereof.

In particular, as can be seen with reference to FIG. 2, around the upper side of the underground well 200, the injection pipe 122 is sealed and provided to detect the surface leakage of carbon dioxide injected into the ground as the seal is formed opposite the surface The carbon dioxide detector 210 may be further included.

The carbon dioxide detecting unit 210 may be provided on the sealed inspection tank 204 that is formed to be protruded and closed in a dome shape at the center of the underground well, and more specifically, one side of the sealed inspection tank 204. It may be provided on the outlet pipe 205 formed to be open, it is preferably made of a sensing sensor for detecting carbon dioxide.

In this case, the hermetic inspection tank 204 may be referred to as a chamber for preventing the diffusion of carbon dioxide leaking into the indicator and providing a inspection volume having a predetermined hermetic shape. The diameter and size of the hermetic inspection tank 204 may be It may be slightly different depending on the size of the borehole 201, but is preferably formed spaced at least about 30cm from the outer periphery of the upper borehole 201.

Here, the carbon dioxide sensor refers to a flow meter and a pressure gauge provided to detect the flow rate and the hydraulic pressure of carbon dioxide leaking to the upper surface of the ground through the center of the well 200. In addition to this, any form of detection means capable of detecting carbon dioxide leaking to the surface may be used. The direction of the arrows shown in FIGS. 1 and 2 shows the flow of surface leakage after carbon dioxide is stored underground.

As the carbon dioxide detection signal sensed by the carbon dioxide detector 210 is transmitted to the carbon dioxide management server 240 as shown in FIG. 1 and integrated management is performed, more efficient carbon dioxide underground storage management may be performed.

A description of the carbon dioxide distribution unit shown in FIG. 1 will be described in detail later with reference to FIGS. 5 and 6. Next, with reference to FIGS. 3 and 4, the integrated data management of the carbon dioxide management server 240 will be described. It will be described in more detail.

3 is a block diagram showing the configuration of the integrated management system for carbon dioxide underground storage according to an embodiment of the present invention, Figure 4 is a block diagram showing a detailed configuration of the carbon dioxide management server in an embodiment of the present invention.

Referring to FIG. 3, it can be seen that each of the underground wells 200 having a plurality of boreholes is provided with a carbon dioxide detector 210 in a separate configuration, and detected from each of the carbon dioxide detectors 210. The carbon dioxide detection signal may be transmitted to the individual log unit 220 connected to the signal network.

Each log unit 220 collects and processes the carbon dioxide detection signal transmitted from the carbon dioxide detector 210, prepares it in a predetermined data format, and transmits the same to the client server 230.

In this case, the client server 230 may be connected to a plurality of log units 220 in one configuration, and this form may be changed and applied little by little depending on the size of the area where the carbon dioxide underground storage facility is installed.

The client server 230 collects the carbon dioxide detection signals collected and processed by the plurality of log units 220, and then interoperates with a request received through a communication network, that is, a user terminal, that is, a user PC 250 or a portable terminal 260. ) And transmits the collected information to the carbon dioxide management server 240.

The carbon dioxide management server 240 integrates the data transmitted from the client server 230. The integrated data is analyzed to manage the results of CO2 underground storage analysis in real time.

In particular, in order to more effectively integrate and manage the underground storage analysis results of carbon dioxide, the carbon dioxide management server 240 is a system operation module 241, a database management module 243, a report generation module 245 and It may include a detailed configuration such as the integrated database unit 247.

The system operation module 241 analyzes the information on the carbon dioxide indicator leak and the information on the carbon dioxide underground storage transmitted from the above-described client server, and provides a function of managing and supervising the storage state of the carbon dioxide stored in the underground well.

The database management module 243 records and manages a database relating to the carbon dioxide storage state under the control of the system operation module 241.

After the integrated data recorded and managed in the database management module 243 is withdrawn by the report generation module 245, a function of transmitting the report to the facility supervisor for carbon dioxide underground storage is provided.

Meanwhile, the carbon dioxide management server 240 may further include a storage medium for separately recording and storing the integrated data processed through the database management module 243 for a set period of time. The integrated database unit 247 It is good to take the form containing).

In addition, the integrated data related to the carbon dioxide underground storage that is managed through the carbon dioxide management server 240 is easy to review through the facility supervisor, that is, the data conversion to at least one form of text information, image information and audio information The data conversion function by the carbon dioxide management server 240 can be confirmed with reference to FIG.

Next, a carbon dioxide distribution unit for effective underground storage of carbon dioxide according to an embodiment of the present invention will be described with reference to FIGS. 6 to 8.

6 is a structural diagram showing a detailed configuration for the effective distribution of carbon dioxide according to an embodiment of the present invention.

Referring to FIG. 6, a carbon dioxide distribution unit according to an embodiment of the present invention includes a manifold unit 110 in which a plurality of pipes are branched to receive carbon dioxide for underground injection from a storage tank, and received through the manifold unit 110. A distribution chamber 120 configured to supply carbon dioxide through an injection pipe 122 connected to an underground well, and a temperature control unit 130 for controlling a temperature of carbon dioxide introduced into the distribution chamber 120. And a flow rate hydraulic pressure adjusting unit 140 for adjusting the flow rate and oil pressure of the carbon dioxide to be injected into the ground through the distribution chamber 120.

Here, the manifold unit 110 refers to a pipe member formed to integrally transfer carbon dioxide being stored from the plurality of storage tanks T provided separately into the distribution chamber 120.

To this end, the manifold unit 110 preferably has a manifold (double manifold, manifold) form is arranged so as not to interfere with each other. The number of tubes corresponding to the recuperative arrangement herein is preferably designed to correspond to the number of storage tanks T, and the present invention does not need to be limited to the number of three tubes shown.

In other words, each of the plurality of storage tanks (T) storing carbon dioxide in separate places is connected to one pipe 114, which is distinct from the outlet of the storage tank (T), for the effective transport of carbon dioxide. The manifold unit 110 is responsible for joining the carbon dioxide dispensed and transferred through the 114 into the distribution chamber 120.

In addition, the manifold unit 110 may further include a socket 112 formed to expand at one side portion to be connected to the pipe 114 connected to the pipe 114 connected from the plurality of storage tanks T.

The plurality of storage tanks (T) refers to a storage container for temporarily or temporarily storing carbon dioxide, and preferably, a compression tank that easily stores a larger amount of carbon dioxide on a predetermined internal volume.

The lower side of each storage tank (T), it is preferable that the heat transfer warmer (119) is provided to maintain the temperature state of the carbon dioxide stored in the storage tank (T) at an appropriate level. As a specific example of the electrothermal insulator 119, an induction heating coil may be used to provide a heat generation function by receiving an external power source Vs.

At the exit of each of the plurality of storage tanks T, a stop valve 116 and a pressure gauge 118 may be further provided.

The stop valve 116 is a valve having a function of controlling the fluid flow by controlling the internal flow fluid in an open / closed manner, and moves carbon dioxide toward each of the distribution chambers 120 in each of the plurality of storage tanks T. Adjust the flow of the opening and closing. The pressure gauge 118 detects the hydraulic pressure of the carbon dioxide to be supplied to the distribution chamber 120 from each of the plurality of storage tanks T.

Although the set temperature and pressure of the carbon dioxide to be discharged from the storage tank T in this embodiment is set to 50 ° C. and 40 bar, the set temperature and pressure may be appropriately selected arbitrarily according to the implementation conditions and the environment to which the present invention is applied.

Carbon dioxide stored in the plurality of storage tanks (T) are respectively moved along the distinct pipe (114), through the manifold 112 to join in the distribution chamber 120.

Dispensing chamber portion 120, the inlet (120a) is formed in communication with the outlet opening of the manifold portion 110, the outlet side (120b) is formed in connection with the inlet pipe 122 toward the underground well (ie, borehole) It is responsible for the function of supplying the carbon dioxide introduced through the manifold unit 110 through the injection pipe 122.

That is, the distribution chamber unit 120 integrates carbon dioxide introduced from the plurality of storage tanks T through the manifold unit 110, and injects the carbon dioxide into the underground well through the injection pipe 122 at the outlet side. Perform.

In order to perform a more stable carbon dioxide integration and distribution function, the exterior of the distribution chamber 120 may be made of a casing 124 in the form of a pressure vessel, the temperature control which will be described later around the outer edge of the distribution chamber 120 The heating unit 133, which is a detailed configuration of the unit 130, may be embedded.

The heating unit 133 may provide a function of heating the carbon dioxide inside the distribution chamber 120 to adjust the temperature up to a temperature set by the user.

As briefly described above, the temperature controller 130 is responsible for controlling the temperature of the carbon dioxide introduced into the distribution chamber 120.

To this end, the temperature control unit 130 is a temperature sensor 131 for detecting the temperature of the carbon dioxide to be injected into the ground, the heating unit 133 for heating the carbon dioxide introduced into the distribution chamber 120 to adjust the temperature and Comparing the temperature of the carbon dioxide detected by the temperature sensor 131, calculates the carbon dioxide temperature compensation value to be heated up, and may include a controller (135 of FIG. 7) for controlling the operation of the heating unit 133.

In this case, the configuration of the controller (135 of FIG. 7) will be described in detail in the description of FIG. 7. Here, only the configuration of the temperature sensor 131 and the heating unit 133 will be described in detail.

The temperature sensor 131 may be mounted on the injection pipe 122 connected to the underground well connected to the underground well from the outlet side of the distribution chamber 120, and may be supplied to the underground well through the injection pipe 122. Sensing means for measuring the actual temperature. As the temperature sensor 131, any of various types of thermometers may be used.

The heating unit 133 is responsible for heating the carbon dioxide introduced into the distribution chamber 120 within a predetermined temperature range, the carbon dioxide holding temperature in this embodiment may be set to approximately 50 ℃, such Temperature conditions also do not significantly limit the present invention.

As a specific example that can be used as the heating unit 130, an induction heater capable of controlling the temperature of the carbon dioxide inside the distribution chamber unit 120 by generating resistance heat after receiving external power Vs is available. The shape of the heating unit 130 also does not limit the present invention, the shape may be slightly differently applied to various embodiments.

7 is a structural diagram illustrating a temperature and flow rate hydraulic pressure control function of the carbon dioxide to be injected underground using an embodiment of the present invention.

Referring to FIG. 7, as a detailed configuration of the temperature controller 130, a controller 135 is included.

The controller 135 provided on the temperature controller 130 includes a temperature comparison unit 136 for comparing the temperature of the carbon dioxide detected by the temperature sensor 131 with a preset reference value, and the comparison with the reference value. A temperature calculating unit 137 for calculating a temperature compensation value of carbon dioxide to be heated by the heating unit 133 and the heating unit (100) to raise the carbon dioxide inside the distribution chamber unit 120 by the calculated temperature compensation value ( And a detailed configuration such as temperature controller 138 for controlling the operation of 133.

Here, in the function of the temperature comparison unit 136, the "preset reference value" refers to the target temperature value of the carbon dioxide to be injected into the underground well, the temperature of the carbon dioxide detected by the temperature sensor 131 is " When the temperature is lower than the preset reference value, the temperature compensation value corresponding to the difference is controlled by controlling the operation of the heating unit 133.

Referring to FIG. 6 again, the flow hydraulic pressure adjusting unit 140 will be described.

Flow rate hydraulic control unit 140 is responsible for adjusting the flow rate and the hydraulic pressure of the carbon dioxide injected into the ground through the distribution chamber 120.

As shown, the flow rate hydraulic pressure controller 140 may include a flow rate detector 141 for detecting a flow rate of carbon dioxide to be injected into the ground through the distribution chamber 120 and a carbon dioxide to be injected underground through the distribution chamber 120. The hydraulic detection unit 143 for detecting the hydraulic pressure, and the valve unit 145, 147 provided to control the flow rate of the carbon dioxide to be injected into the ground through the distribution chamber 120, as well as to the flow hydraulic pressure configuration Is done.

Here, the flow rate detection unit 141 and the hydraulic pressure detection unit 143 are both provided on the injection pipe 122, as shown in Figure 6, to effectively reduce the flow rate and the hydraulic pressure of the carbon dioxide flowing through the distribution chamber unit 120 It may be made in the form of detecting.

However, the arrangement of the flow rate detector 141 and the hydraulic detector 143 is also merely one preferred embodiment, and the present invention does not need to be limited thereto. Therefore, the embodiment may be changed little by little depending on the location, environment, and various conditions to which the present invention is applied.

In addition, the flow rate detection unit 141 means a conventional flow meter, and may be applied to various commercially available flow meters. In addition, since the hydraulic detection unit 143 also means a normal hydraulic gauge, this also means a commercial flow meter. The hydraulic gauge of can be applied. Therefore, detailed description thereof will be omitted.

In addition, also in embodiment of the valve part 145,147, this invention does not need to be largely limited. That is, the valve parts 145 and 147 shown in FIG. 1 are formed in a form installed separately before and after the flow rate detecting part 141, whereas the valve parts 145a, 145b and 147 shown in FIG. ) Can be confirmed that some sections of the injection pipe 122 has an embodiment different from the arrangement of FIG. 6 on each pipe branch formed of a double pipe.

The flow rate hydraulic controller 140 may further include a configuration of the flow rate hydraulic controller 149 except for the flow rate detector 141, the oil pressure detector 143, and the valves 145 and 147.

The function and role of the flow hydraulic controller 149 can be confirmed in detail with reference to FIG. 7.

That is, the illustrated flow hydraulic pressure control unit 149 compares the flow rate and hydraulic pressure data of the carbon dioxide detected by the flow rate detection unit 141 and the hydraulic pressure detection unit 143 with a preset reference value, and the carbon dioxide to be injected underground is the proper hydraulic pressure and flow rate. It controls the opening and closing operation of the valve unit (145a, 145b, 147) to be supplied to. Although the set pressure of the carbon dioxide to be injected underground in the present embodiment is 40 bar, this set pressure may be applied slightly differently according to the user's setting.

The flow rate hydraulic control unit 149 enables active control between the flow rate detection unit 141 and the oil pressure detection unit 143 and the valve units 145a, 145b, and 147 which open and close to drive in conjunction with the flow rate detection unit 141 and the oil pressure detection unit 143. It enables the distribution of carbon dioxide to a fast and accurate condition.

8 is a block diagram showing a state in which the temperature and flow rate hydraulic pressure control function of the carbon dioxide to be injected underground according to an embodiment of the present invention is controlled by the carbon dioxide management server.

As shown in FIG. 8, the adjustment function of the carbon dioxide distribution unit implemented through the above-described temperature controller 130 and the flow hydraulic pressure controller 140 is according to a command applied from the carbon dioxide management server 240 through a communication network. Operation can be controlled.

To this end, between the temperature controller 130, the flow hydraulic pressure controller 140 and the carbon dioxide management server 240 through a wired or wireless communication network in real time or time zone, or whenever the user requests a communication interface capable of two-way signal transmission It is preferable that 150 is further provided.

At this time, as a form of a terminal that can be remotely controlled through the communication interface 150, except for the carbon dioxide management server 240, a user's smart phone equipped with a 3G or 4G communication modem can also be used.

In this way, the integrated management system for carbon dioxide underground storage of the present invention, in order to ensure the stability according to the underground injection of carbon dioxide, by optimally controlling the pressure and temperature of the carbon dioxide injected into the underground well, more effective distribution of carbon dioxide At the same time, it effectively monitors and further detects the surface leakage of carbon dioxide injected and stored into the ground, providing a safer underground storage of carbon dioxide.

In the above, a preferred embodiment of the integrated management system for carbon dioxide underground storage according to the present invention has been described.

It is to be understood that the above-described embodiments are illustrative in all aspects and should not be construed as limiting, the scope of the invention being indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

T: storage tank
110: manifold
120: distribution chamber
130: temperature control unit
140: flow rate hydraulic control unit
150: communication interface
200: CO2 underground storage structure
201: borehole
203: packer
210: carbon dioxide detector
220: log portion
230: client server
240: carbon dioxide management server
250: user PC
260: portable terminal

Claims (15)

A plurality of branch pipes formed in a plurality of branches to receive carbon dioxide for underground storage which is heated and maintained at a predetermined temperature from the plurality of storage tanks; An inlet side is formed in communication with the manifold portion and an outlet side is connected to an inlet pipe directed to the underground well, and a dispensing chamber part for supplying carbon dioxide introduced through the manifold part to the inlet pipe; A temperature controller for controlling the temperature of carbon dioxide introduced into the distribution chamber; And a flow rate hydraulic pressure adjusting unit for adjusting the flow rate and the hydraulic pressure of the carbon dioxide to be injected underground through the distribution chamber unit; and a carbon dioxide distribution unit controlling the temperature, flow rate, and hydraulic conditions of the carbon dioxide to be stored underground;
A carbon dioxide detector configured to seal the injection pipe and to be sealed to face the indicator, and to detect an indicator leak of carbon dioxide injected into the ground;
A log unit which collects and processes the carbon dioxide detection signal transmitted from the flow rate hydraulic controller and the carbon dioxide detector, and transmits the processed data;
A client server collecting data transmitted from the log unit and transmitting the collected data through a communication network; And
And a carbon dioxide management server for integrating data transmitted from the client server and analyzing the integrated data to manage the underground storage analysis result of carbon dioxide in real time.
A portion of the upper end of the underground well protrudes from the surface, the injection pipe is connected through the upper end of the underground well, and the upper end of the underground well is covered by a hermetic inspection tank to temporarily store carbon dioxide leaking from the surface inside. To form a space
Under the plurality of storage tanks, an electrothermal warmer is installed to surround lower ends of the plurality of storage tanks, and the electrothermal warmer is heated to maintain the carbon dioxide stored in the plurality of storage tanks at a constant temperature,
The distribution chamber portion is formed of a casing forming a predetermined thickness, and a space in which the carbon dioxide introduced through the manifold unit is formed, and a heating portion for heating and adjusting the temperature of the carbon dioxide introduced in the thickness portion of the casing is internally installed. Integrated management system for carbon dioxide underground storage, characterized in that the.
The method of claim 1,
The carbon dioxide detector,
The hermetically sealed inspection tank which is formed to protrude and be closed in a dome shape at the center of the underground well;
And a carbon dioxide detection sensor provided on an outlet pipe connected to one side of the hermetic inspection tank and configured to detect carbon dioxide leaking from the surface of the hermetic inspection tank.
The method of claim 2,
The carbon dioxide sensor,
An integrated management system for carbon dioxide underground storage, characterized in that the flow meter and pressure gauge provided to detect the flow rate and hydraulic pressure of the carbon dioxide leaking to the upper surface through the center of the underground well.
The method of claim 1,
The carbon dioxide detector,
It is provided for each of the plurality of underground wells, and the integrated management system for carbon dioxide underground storage, characterized in that formed in the form of being connected to each of the plurality of the log portion individually.
The method of claim 1,
The client server,
Collecting and processing the carbon dioxide detection signal collected in the log unit and integrated management system for carbon dioxide underground storage, characterized in that the transmission via the communication network in response to the request received from the user terminal or carbon dioxide management server.
The method of claim 1,
The carbon dioxide management server,
A system operation module configured to manage and supervise the storage state of carbon dioxide stored in underground wells by analyzing information on carbon dioxide indicator leakage and information on carbon dioxide underground storage transmitted from the client server;
A database management module for managing a database relating to a carbon dioxide storage state under the control of the system operation module;
A report generation module for generating a report through the integrated data drawn from the database management module; And
And an integrated database unit for storing and storing the integrated data processed through the database management module in a separate storage medium format.
The method of claim 1,
Integrated data processed through the carbon dioxide management server is a data management system, the integrated management system for carbon dioxide underground storage, characterized in that the data conversion to at least one of the information of the information, image information and voice information.
The method of claim 1,
The temperature control unit,
A temperature sensor mounted on the injection pipe and detecting a temperature of carbon dioxide to be injected from the distribution chamber and injected into the ground; And
It is disposed in the form surrounding the outer periphery of the distribution chamber, the heating unit; Integrated management system for underground storage of carbon dioxide comprising a.
The method of claim 8,
The temperature control unit,
A temperature comparison unit comparing the temperature of carbon dioxide to be injected into the ground detected by the temperature sensor with a preset reference value;
A temperature calculating unit calculating a temperature compensation value of carbon dioxide to be heated by the heating unit by comparing with the reference value; And
And a temperature controller for controlling the operation of the heating unit to raise the carbon dioxide inside the distribution chamber by the calculated temperature compensation value.
The method of claim 1,
The flow rate hydraulic pressure control unit,
A flow rate detection unit mounted on the injection pipe to detect a flow rate of carbon dioxide to be injected underground;
A hydraulic pressure detection unit mounted on the injection pipe to detect a hydraulic pressure of carbon dioxide to be injected underground; And
And a valve unit mounted on the injection pipe, the valve unit being configured to adjust the flow rate and the hydraulic pressure of carbon dioxide to be injected from the distribution chamber and injected into the ground.
11. The method of claim 10,
The flow rate hydraulic pressure control unit,
Flow rate hydraulic pressure for controlling the opening and closing operation of the valve unit to determine the flow rate and hydraulic pressure data of the carbon dioxide detected through the flow rate detection unit and the hydraulic pressure detection unit with a predetermined reference value and to supply the appropriate pressure and flow rate of carbon dioxide to be injected underground Integrated control system for carbon dioxide underground storage, further comprising a control unit.
The method of claim 1,
On one side of the manifold portion,
Integrated management system for carbon dioxide underground storage, characterized in that the socket is further formed to be connected to form a plurality of storage tanks connected through the pipe.
delete The method of claim 1,
On the exit side of the plurality of storage tanks,
A stop valve provided to open and close the flow of carbon dioxide to be supplied to the distribution chamber part; And
Pressure gauge provided to detect the hydraulic pressure of the carbon dioxide to be supplied to the distribution chamber portion; Integrated management system for carbon dioxide underground storage further comprising.
The method of claim 1,
It includes a communication interface provided to transmit the operation signal implemented through the temperature control unit and the flow rate hydraulic control unit through a wired or wireless communication in real time or time zone, or whenever the user requests,
The temperature control unit and the flow rate hydraulic control unit through the communication interface, the integrated management system for carbon dioxide underground storage, characterized in that the operation is controlled according to the command applied from the carbon dioxide management server.

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