KR101725900B1 - Apparatus and method for removing harmful material in tunnel - Google Patents

Apparatus and method for removing harmful material in tunnel Download PDF

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Publication number
KR101725900B1
KR101725900B1 KR1020160056933A KR20160056933A KR101725900B1 KR 101725900 B1 KR101725900 B1 KR 101725900B1 KR 1020160056933 A KR1020160056933 A KR 1020160056933A KR 20160056933 A KR20160056933 A KR 20160056933A KR 101725900 B1 KR101725900 B1 KR 101725900B1
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tunnel
water
water supply
fire
harmful substances
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KR1020160056933A
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Korean (ko)
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정남우
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정남우
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/68—Details, e.g. of pipes or valve systems
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/04—Control of fire-fighting equipment with electrically-controlled release
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The present invention relates to an apparatus for removing harmful materials in a tunnel, comprising: a plurality of water supply pipes which are installed in a transverse direction in a tunnel with respect to a driving direction of a mobile body, and have a plurality of water injection nozzles injecting water to remove harmful materials; a water supply pump which supplies water to the water supply pipes; a plurality of water supply valves which are provided between the water supply pipes and the water supply pump, and supply or block the water; and a control unit which determines a plurality of water supply valves other than a water supply valve of a position corresponding to the position of fire in the tunnel as water supply valves for removing harmful materials, and sequentially opens and closes the water supply valves for removing harmful materials with respect to the position of fire in the inlet and outlet directions of the tunnel at unit time intervals to remove harmful materials from the tunnel.

Description

[0001] Apparatus and method for removing harmful materials in a tunnel [0002]

The present invention relates to an apparatus and method for removing harmful substances in a tunnel that rapidly removes harmful substances such as noxious gas and dust generated due to fire when a fire occurs in a tunnel.

Generally, a tunnel is a structure that penetrates a mountain, constructs a road and a railroad track, and allows a predetermined moving object including a vehicle and a train to pass through.

Such a tunnel is usually formed by inserting a mountain, installing a waterproof mat on the inner wall surface, and forming a semicircular or semi-circular shape by pouring concrete or the like. In the tunnel, A railroad track, and the like.

The tunnel has a short section of only a few tens of meters, but also a long section of several hundred meters or several kilometers.

If a fire occurs in a tunnel when a predetermined moving object passes through the tunnel, there is a risk that it may lead to a large personal injury.

That is, various kinds of accidents such as a collision or a collision accident may occur within the tunnel while the moving object moves, and a fire may occur due to collision or collision. When a fire occurs in a tunnel, harmful substances such as noxious gas and dust are rapidly generated. Due to the nature of the internal structure of the tunnel, the harmful substances generated by the fire are easily trapped inside the tunnel It can not be discharged and remains in the inside of the tunnel.

When a fire occurs in a tunnel, other moving objects, which normally travel in the tunnel, may no longer be able to travel. Therefore, in order to evacuate the fire, the passengers of the moving object usually depart from the moving object I walk out of the tunnel.

However, in the case of a fire occurring inside a long tunnel having a length of several hundred meters or several kilometers, it takes a considerable time until the occupants of the moving object walk out of the tunnel, It is very likely to be damaged. Especially, there is a high possibility of serious damage to passengers when there are elderly or young children.

Therefore, when a fire occurs inside a tunnel, it is necessary to suppress the fire quickly, to quickly remove harmful substances such as harmful gas and dust generated by the fire, and to prevent the spread of harmful substances. have.

As a disaster prevention system for suppressing a fire when a fire occurs inside a tunnel, Korean Registered Utility Model No. 20-0334297 (prior art 1) is known.

According to the prior art 1, a main piping provided at the ceiling of a tunnel to supply fire extinguishing agent and a branch piping branching from the main piping are provided at a predetermined interval to shut off points near the fire ignition point in the longitudinal direction of the tunnel A plurality of first fire extinguishing units which form a water wall to prevent heat and smoke generated due to fire from diffusing into the tunnel, and a plurality of first fire extinguishing units installed between the first fire extinguishing units to spray fire extinguishing agent directly to the fire ignition point And a plurality of second fire extinguishers.

However, in the prior art 1 described above, it is possible to prevent the harmful substances such as heat and smoke from diffusing to some extent by forming a water wall as well as extinguishing the fire extinguishing agent by spraying the fire extinguishing agent in the tunnel. However, Passengers who want to get out of the tunnel can be harmed by harmful substances.

In Korean Patent No. 10-1565596 (Prior Art 2), there is provided an evacuation outlet provided adjacent to a sidewall provided at one side of a tunnel, and an evacuation outlet disposed adjacent to the evacuation exit to blow noxious gas to the other side of the tunnel. An exhaust duct installed in a ceiling of the other side of the tunnel and extending in the longitudinal direction of the tunnel and extending outside the tunnel; and an exhaust duct installed in the exhaust duct and generated inside the tunnel An evacuation frame disposed between the air blowing fan and the air blowing fan and configured to protrude / retreat along a main body frame installed on an inner wall of the tunnel and installed with an acceleration fan, And an acceleration motor connected to the acceleration fan, A power supply part for supplying power to the acceleration motor when the protruding and retracting frame protrudes into the tunnel and a diffusion preventing part including a protruding and retracting frame for protruding and retracting the protruding and retracting frame from the body frame, In the event of a fire, the identification of harmful substances and the spread of flames are prevented.

However, in the prior art 2, a plurality of fans are used to discharge harmful substances to the outside, which results in spreading of the generated fire when the plurality of fans are driven in a non-digested state .

Korean Registered Utility Model No. 20-0334297 (Registered on November 14, 2003) Korean Registered Patent No. 10-1565596 (Registered on October 28, 2015)

SUMMARY OF THE INVENTION The present invention provides an apparatus and method for removing harmful substances in a tunnel that rapidly removes harmful substances such as noxious gas and dust due to the occurrence of a fire when a fire occurs in a tunnel .

A problem to be solved by the present invention is that harmful substances such as dust caused by fire generated in a tunnel are quickly pushed to the road surface of the tunnel and harmful substances such as harmful gas are discharged to the entrance and exit of the tunnel at a high speed An apparatus and method for removing harmful substances in a tunnel are provided.

Further, the present invention is not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood from the following description by those skilled in the art to which the present invention belongs .

An apparatus for removing harmful substances in a tunnel according to the present invention includes a plurality of water supply pipes installed in a tunnel in a transverse direction with respect to a running direction of a moving body and having a plurality of water injection nozzles for spraying water to remove toxic substances A water supply pump for supplying water to the plurality of water supply pipes; a plurality of water supply valves provided between the plurality of water supply pipes and the water supply pump for supplying or blocking the water; A plurality of water supply valves other than the water supply valve at a position corresponding to a fire occurrence position are determined as water supply valves for removing harmful substances and the harmful substances are removed based on the fire occurrence position The water supply valves are sequentially opened from the fire occurrence position to the entrance and exit direction of the tunnel at unit time intervals And a control unit for repeatedly closing the room and controlling the removal of harmful substances in the tunnel.

The control unit divides a plurality of water supply valves for removing the harmful substances into a plurality of groups and sets a plurality of water supply valves of each group at a unit time interval from the fire generation position to the entrance and exit direction of the tunnel It is possible to control the removal of harmful substances in the tunnel by repeating the sequential opening and closing.

The apparatus for removing harmful substances in a tunnel according to the present invention may further include a plurality of water injection nozzle angle adjusting units capable of adjusting the injection angles of the plurality of water injection nozzles, The control unit controls the injection angle of the water supply valve for removing the harmful substances from the fire occurrence position to the entrance and exit direction of the tunnel and then controls the water supply valves from the fire occurrence position to the entrance and exit of the tunnel, It is possible to control the removal of the harmful substances in the tunnel by repeating the opening and closing sequentially at the unit time intervals in the exit direction.

The method for removing harmful substances in a tunnel according to the present invention includes the steps of: a control unit determining a fire occurrence position by an output signal of a fire detection unit; The method comprising the steps of: determining a plurality of water injection nozzles for spraying water for removing harmful substances from the spray nozzles; and controlling a plurality of water supply valves corresponding to a plurality of water injection nozzles for spraying the water, And sequentially repeating opening and closing at a time interval from the fire occurrence position toward the entrance and exit direction of the tunnel.

The control unit drives the water supply pump and sequentially opens and closes a plurality of water supply valves corresponding to a plurality of water injection nozzles for spraying the water at unit time intervals from the fire occurrence position toward the entrance and exit direction of the tunnel Wherein the step of repeating the steps of forming the plurality of water injection nozzles includes the steps of forming a plurality of groups by sequentially arranging a plurality of water supply valves corresponding to the plurality of water injection nozzles to spray the water, And repeating opening and closing of the plurality of water supply valves sequentially from the fire occurrence position to the entrance and exit direction of the tunnel at a unit time interval.

According to another aspect of the present invention, there is provided a method for removing harmful substances in a tunnel, wherein the control unit controls the plurality of water spray nozzle angle adjusting units to adjust the water spray angle of a plurality of water spray nozzles, And adjusting the angle in the direction of the inlet and the outlet.

According to another aspect of the present invention, there is provided a method for removing harmful substances in a tunnel, the method comprising: a control unit for selectively controlling a plurality of water spray nozzle angle adjusting units to adjust a water spray angle of a plurality of water spray nozzles, And swinging the angle in the direction of the entrance and the exit of the tunnel.

According to the apparatus and method for removing harmful substances in a tunnel of the present invention, when a fire occurs in a tunnel, the location of the fire is accurately detected and the fire is suppressed by spraying the fire extinguishing agent to the detected fire occurrence position.

In addition, except for the area where the fire occurred in the tunnel, water is sprayed sequentially toward the entrance and exit direction of the tunnel based on the area where the fire occurred.

Therefore, harmful substances such as dust generated by the fire in the tunnel do not go to the bottom surface of the tunnel due to the spraying water, and harmful substances such as harmful gas are discharged to the entrance or exit of the tunnel at a high speed, This has the effect of enabling passengers to evacuate safely.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1A and FIG. 1B are a cross-sectional view and a side sectional view schematically showing a piping state in which a fire-extinguishing-water injection nozzle and a water-spraying nozzle are installed in a tunnel according to the apparatus for removing harmful substances of the present invention,
2 is a block diagram showing a configuration of an embodiment of the apparatus for removing harmful substances of the present invention,
3 is a signal flow diagram illustrating the operation of one embodiment of a method for removing toxic substances according to an embodiment of the apparatus for removing harmful materials of the present invention,
4 is a view for explaining an operation of removing harmful substances by the apparatus and method for removing harmful substances of the present invention,
5 is a signal flow diagram illustrating an operation of another embodiment of the method for removing harmful substances according to an embodiment of the apparatus for removing harmful substances of the present invention.
6 is a block diagram showing a configuration of another embodiment of the apparatus for removing harmful substances of the present invention.
7 is a signal flow diagram illustrating the operation of one embodiment of a method for removing toxic substances according to another embodiment of the apparatus for removing harmful materials of the present invention,
FIG. 8 is a signal flow diagram illustrating an operation of another embodiment of the method for removing harmful substances according to another embodiment of the apparatus for removing harmful substances of the present invention, and FIG.
9 is a signal flow diagram illustrating an operation of another embodiment of the method for removing harmful substances according to another embodiment of the apparatus for removing harmful substances of the present invention.

The following detailed description is merely an example, and is merely an example of the present invention. Further, the principles and concepts of the present invention are provided for the purpose of being most useful and readily explaining.

Accordingly, it is not intended to provide a more detailed structure than is necessary for a basic understanding of the present invention, but it will be understood by those skilled in the art that various forms that can be practiced by the person of ordinary skill in the art will be illustrated in the drawings, Elements will be denoted by the same reference numerals and will be described in detail.

FIGS. 1A and 1B are a cross-sectional view and a side cross-sectional view schematically showing a piping state in which a fire-extinguishing-water injection nozzle and a water-spraying nozzle are installed in a tunnel according to the apparatus for removing harmful substances of the present invention. Here, reference numeral 100 denotes a tunnel, which can be formed in a semi-circular shape or a semi-circular shape, for example, with reference to the traveling direction of the moving object.

A plurality of digestive fluid supply pipes 110 (110-1, 110-1, 110-2, ... 110-N) are installed on the inner wall surface of the tunnel 100 in the lateral direction while maintaining a predetermined distance with reference to the traveling direction of the moving body A plurality of fire extinguisher injection nozzles 112 capable of injecting a fire extinguishing liquid may be installed in each of the plurality of fire extinguishing liquid supply pipes 110.

Further, a plurality of water supply pipes 120-1, 120-2, ..., and 120-N are installed between the plurality of digestive fluid supply pipes 110, and each of the plurality of water supply pipes 120 is provided with a fire A plurality of water spray nozzles 122 may be installed to remove harmful substances such as noxious gas and dust which may be generated due to the water.

1B, a plurality of water supply pipes 120 are installed adjacent to each of the plurality of digestive fluid supply pipes 110. However, in the practice of the present invention, A plurality of water supply pipes 120 may be installed at intermediate positions, and the water supply pipes 120 may be variously modified according to the internal structure of the tunnel 100.

1A and 1B, six digestive fluid injection nozzles 112 and six water injection nozzles 122 are installed in each of the plurality of digestive fluid supply pipes 110 and the plurality of water supply pipes 120 .

The present invention is not limited thereto and a plurality of digestive fluid supply pipes 110 and a plurality of water supply pipes 120 may be provided in a variety of ways according to the size and structure of the tunnel 100, And the number of water spray nozzles 112 and water spray nozzles 122 installed in each of the plurality of water supply pipes 120 may be increased or decreased.

2 is a block diagram showing the configuration of an embodiment of the apparatus for removing harmful substances of the present invention. Referring to FIG. 2, the apparatus for removing toxic substances according to the present invention includes a fire detection unit 200, a fire extinguishing liquid supply pump 210, a plurality of fire extinguishing liquid supply valves 220-1, 220-2, N, a water supply pump 230, a plurality of water supply valves 240-1, 240-2, ..., 240-N, a command input unit 250, a display unit 260, (270), a residual toxic substance detection unit (280), and a control unit (200).

For example, the fire detection unit 200 uses a plurality of sensors capable of detecting the occurrence of a fire, including a plurality of heat detection sensors, a plurality of smoke detection sensors, etc., And may generate a fire occurrence position signal together with a fire occurrence detection signal when occurrence of a fire is detected.

The digester supply pump 210 can supply a plurality of digestive fluid supply pipes 110 with a digestive fluid capable of suppressing a fire generated in the tunnel. Here, the digestive liquid is configured to supply various digestive fluids, including foaming foam generated by a mixing reaction of the foaming agent and water, capable of suppressing fire, to the plurality of digestive-fluid supply pipes 110 by the digestive-

The plurality of digestive-fluid supply valves 220-1, 220-2, ..., 220-N are provided between the plurality of digestive-fluid supply pipes 110 and the digestive-fluid supply pump 210, The fire extinguishing liquid supplied from the fire extinguishing liquid supply pump 210 can be selectively discharged to the fire occurrence position through the plurality of fire extinguishing liquid supply pipes 110 and the fire extinguishing liquid jetting nozzles 112.

The water supply pump 230 is connected to a water supply pipe (not shown in the figure) for supplying water such as a water pipe and various kinds of harmful substances such as noxious gas and dust generated due to fire in the tunnel, To remove water.

The plurality of water supply valves 240-1 to 240-N may be provided between the plurality of water supply pipes 120 and the water supply pump 230, The water supplied by the water supply pump 230 is selectively discharged through the plurality of water supply valves 240-1 240-2 through 240-N and the water injection nozzle 122, .

The command input unit 250 includes, for example, a plurality of function keys (not shown in the figure), and when the administrator operates the plurality of function keys, the command input unit 250 operates the harmful- Lt; / RTI >

The display unit 260 may display the current operation state of the apparatus for removing harmful substances of the present invention so that the administrator can visually confirm the operation state.

The memory 270 may store various data including a program for controlling the operation of the apparatus for removing harmful substances of the present invention.

The residual toxic substance detection unit 280 can detect the concentration of the toxic substances remaining in the tunnel and generate the concentration detection signal according to the detected concentration. For example, the residual harmful substance detecting unit 280 may include a plurality of light emitting sensors for outputting light and a plurality of light receiving sensors for receiving light output from the plurality of light emitting sensors, The concentration of the harmful substance can be detected by the intensity of the light received by the plurality of light receiving sensors to generate the concentration detection signal.

The control unit 200 may control the operation of the apparatus for removing harmful substances according to the present invention according to the program stored in the memory 270 and display the current operation state on the display unit 260.

When the fire detector 200 detects the occurrence of a fire, the control unit 290 determines a fire occurrence position, releases the fire extinguishing liquid supply valve 220 at the fire occurrence position, It is possible to control the fire suppression by driving the pump 210.

The control unit 290 may determine the remaining water injection nozzles 122 as the water injection nozzles 122 for supplying water, except for the water injection nozzles 122 at the determined fire occurrence position. The control unit 290 controls the corresponding water supply valves 120 of the plurality of water injection nozzles 122 determined while driving the water supply pump 230 to the inlet and outlet of the tunnel, It is possible to perform an operation of removing harmful substances by repeating opening and closing sequentially.

The control unit 290 may terminate the water injection operation when the residual toxic substance detection unit 280 detects less harmful substances than predetermined concentrations.

3 is a signal flow diagram illustrating the operation of the controller 290 according to an embodiment of the apparatus for removing harmful substances of the present invention. Referring to FIG. 3, the controller 290 receives an output signal of the fire detector 200 to determine whether a fire has occurred (S300).

That is, the fire detector 200 detects the occurrence of a fire and generates a fire occurrence detection signal when occurrence of a fire is detected. The controller 290 controls the fire detector 200 to generate a fire It is determined whether or not a fire has occurred due to the presence or absence of a detection signal.

When the occurrence of a fire is judged, the control unit 290 judges the occurrence position of the fire by the fire occurrence position signal generated together with the fire occurrence detection signal by the fire detection unit 200 (S302).

220-1, 220-1, 220-2, 220-3, 220-2, 220-3, 220-4, 220-2, 220-3 corresponding to the occurrence position of the fire among the plurality of fire extinguishing liquid supply valves 220, 220-1, ..., 220-N are selectively opened (S304), and the digestive fluid feeding pump 210 is driven (S306).

The digestive liquid supply pump 210 supplies the digestive liquid to the digestive-liquid supply pipe 110 through the corresponding digestive-fluid supply valve 220 at the fire-generating position, and supplies the digestive- It is sprayed to the fire occurrence position.

For example, if it is assumed in FIG. 4 that a fire occurs in a vehicle, the control unit 290 determines a fire occurrence position 400 using a fire occurrence position signal generated by the fire detection unit 200, The corresponding digestive fluid supply valve 220 of the digestive fluid supply pipes 410-1 and 410-2 corresponding to the determined fire generation position 400 is opened and the digestive fluid supply pump 210 is driven.

Therefore, the digestive liquid supply pump 210 supplies the digestive juice, and the digestive juice supplied thereto flows into the digestive juice supply pipes 410-1 and 410-2 through the digestive juice supply valve 220 at the fire occurrence position, -1, and 412-2, thereby suppressing the fire at the fire occurrence position 400 at a high speed.

The control unit 290 continuously closes the corresponding digestive fluid supply valve 220 of the digestive fluid supply pipes 410-3, 410-4, ..., 410-7 at positions not corresponding to the fire generation position 400, Minimizing the waste and minimizing the damage caused by the occurrence of the fire.

In this state, the control unit 290 continuously inputs the output signal of the fire detection unit 200 and determines whether the fire suppression is completed (S308).

When the fire suppression is completed, the controller 290 stops the fire extinguishing liquid supply pump 210 (S310) and closes the fire extinguishing liquid supply valve 220 (S312).

Here, a lot of toxic substances are generated due to the fire at the fire occurrence site 400, and the generated toxic substances are not easily discharged to the outside due to the structure of the tunnel 100, and the inside of the tunnel 100 is filled up.

The control unit 290 determines a plurality of water injection nozzles 122 for removing harmful substances by supplying water to remove the harmful substances remaining in the tunnel 100 after the fire is suppressed S314).

When a plurality of water injection nozzles 122 for removing harmful substances are determined, the controller 290 drives the water supply pump 230 (S316), and the plurality of water injection nozzles 122, (Step S318) to open and close the openings 122 in the direction of the entrance and exit of the tunnel 100 on the basis of the fire occurrence position.

4, except for the water injection nozzle 422-1 of the water supply pipe 420-1 corresponding to the fire occurrence position 400, the remaining water supply pipes 420-2, 420-3, ..., , 420-7 are determined to be the water supply pipes for removing harmful substances.

The controller 290 drives the water supply pump 230 and supplies water to the water supply pipes 420-2, 420-3, ..., 420-7 determined to remove the harmful substances, The supply valve is sequentially opened and closed so that a plurality of water injection nozzles 422-2, 422-3, ..., and 422-7 sequentially spray water to remove harmful substances in the tunnel 100. [

That is, according to the present invention, a plurality of water jetting nozzles 422-2, 422-3, ..., and 422-7 sequentially spray water at predetermined unit time intervals, so that harmful substances such as dust in the tunnel 100 The material is submerged on the bottom of the tunnel 100 by the water to be sprayed and harmful substances such as noxious gas that do not sink on the bottom of the tunnel 100 are gradually pushed out by the sprayed water and discharged to the outside of the tunnel will be.

The present invention can remove harmful substances in the tunnel 100 more quickly when the tunnel 100 is driven together with a ventilating facility installed in the tunnel 100.

The control unit 290 receives the concentration detection signal of the toxic substance outputted from the residual toxic substance detection unit 280 and determines whether the concentration of the inputted concentration detection signal is less than a preset concentration (S322).

That is, the residual toxic substance detection unit 280 detects the concentration of harmful substances remaining in the tunnel 100 by using, for example, a plurality of light emission sensors and a plurality of light reception sensors, The control unit 290 determines whether the concentration of the harmful substance is less than a preset concentration with the output signal of the residual toxic substance detection unit 280. [

The control unit 290 determines that the removal of the harmful substances in the tunnel 100 is completed and stops the water supply pump 230 in step S324, (S326), and the operation for removing the harmful substances is terminated.

5 is a signal flow diagram illustrating an operation of another embodiment of the method for removing toxic substances according to an embodiment of the apparatus for removing harmful substances of the present invention. Referring to FIG. 5, when a fire occurs in the tunnel 100, steps S300 to S312 are performed as shown in FIG. 3 to suppress the fire, and the remaining harmful substances A plurality of water injection nozzles 122 for removing harmful substances are determined by supplying water at step S314.

In this state, the controller 290 divides the plurality of water injection nozzles 122 determined to remove harmful substances into a plurality of groups (S500), and drives the water supply pump 230 (S502).

The control unit 290 sequentially opens and closes the plurality of groups of the water jet nozzles 122 in units of time intervals in the direction of the entrance and the exit of the tunnel 100 on the basis of the fire occurrence position, 100 are removed (S504).

4, except for the water injection nozzle 422-1 of the water supply pipe 420-1 corresponding to the fire occurrence position 400, the remaining water supply pipes 420-2, 420-3, ..., 422-3, ... 422-7 of the water injection nozzles 422-2, 422-3, ... 422-7 of the water injection nozzles 422-2, 422-3, -4 and water jet nozzles 422-5, 422-6, and 422-7 into respective groups.

The control unit 290 controls the water injection nozzles 422-2 and 422-5 to inject water, and when the unit time elapses, the water injection nozzles 422-3 and 422-6 emit water And controls the water injection nozzles 422-4 and 422-7 to spray water when the unit time has elapsed. Then, the water injection nozzles 422-2 and 422-5 are sequentially controlled at unit time intervals, So that harmful substances in the tunnel 100 are removed.

In this state, the controller 290 performs the above-described steps S320 to S326 to determine whether the concentration of the harmful substance is less than a preset concentration with the output signal of the residual toxic substance detection unit 280, The water supply pump 230 is stopped, all the water supply valve 240 is closed, and the removal operation of the toxic substances is terminated.

6 is a block diagram showing a configuration of another embodiment of the apparatus for removing harmful substances of the present invention. 6, another embodiment of the apparatus for removing toxic substances according to the present invention may further include a plurality of water spray nozzle angle adjusting units 600 (600-1, 600-2, ..., 600-N) have.

Each of the plurality of water injection nozzle angle adjusting units 600-1 to 600-N is controlled by the control unit 290 such that the plurality of water injection nozzles 112 Direction to swing in the direction of the entrance and exit of the tunnel 100.

7 is a signal flow diagram illustrating an operation of one embodiment of a method for removing toxic substances according to another embodiment of the apparatus for removing harmful materials of the present invention. Referring to FIG. 7, when a fire occurs in the tunnel 100, the fire is suppressed by performing steps S300 to S312 as shown in FIG. 3, and the harmful substances remaining in the tunnel 100 A plurality of water injection nozzles 122 for removing harmful substances are determined by supplying water at step S314.

The control unit 290 controls the water injection nozzle angle adjusting unit 600 of the plurality of water injection nozzles 122 determined to remove the harmful substances to adjust the injection angle of the water injection nozzle 122 to the tunnel 100, (S700). ≪ / RTI > For example, the controller 290 adjusts the water injection angle of the plurality of water injection nozzles 122 to about the inlet and the outlet of the tunnel 100 by about 45 degrees.

When the spray angle of the water spray nozzle 122 is adjusted, the controller 290 performs the steps S316 and S318 to remove harmful substances.

The control unit 290 performs the steps S320 to S326 to determine whether the concentration of the harmful substance is less than a predetermined concentration with the output signal of the residual harmful substance detection unit 280. If the concentration is less than the predetermined concentration The water supply pump 230 is stopped, the water supply valve 240 is closed, and the removal operation of the toxic substances is terminated.

FIG. 8 is a signal flow diagram illustrating an operation of another embodiment of the method for removing toxic substances according to another embodiment of the apparatus for removing harmful substances of the present invention. Referring to FIG. 8, when a fire occurs in the tunnel 100, the fire is suppressed by performing steps S300 to S312 as shown in FIG. 3, and the harmful substances remaining in the tunnel 100 A plurality of water injection nozzles 122 for removing harmful substances are determined by supplying water at step S314.

In such a state, the controller 290 divides the plurality of water injection nozzles 122 determined to remove the harmful substances into a plurality of groups (S800). The plurality of water injection nozzles (S802) by controlling the water injection nozzle angle adjusting unit 600 of the water injection nozzle 122 to adjust the injection angle of the water injection nozzle 122 to the direction of the inlet and the outlet of the tunnel 100.

When the spray angle of the water spray nozzle 122 is adjusted, the control unit 290 drives the water supply pump 230 (S804) and sets the plurality of groups of the water spray nozzles 122 (Step S806) while sequentially opening and closing the tunnel 100 in the direction of the entrance and the exit of the tunnel 100 at unit time intervals.

The control unit 290 performs the steps S320 to S326 to determine whether the concentration of the harmful substance is less than a predetermined concentration with the output signal of the residual harmful substance detection unit 280. If the concentration is less than the predetermined concentration The water supply pump 230 is stopped, the water supply valve 240 is closed, and the removal operation of the toxic substances is terminated.

9 is a signal flow diagram illustrating an operation of another embodiment of the method for removing harmful materials according to another embodiment of the apparatus for removing harmful substances of the present invention. 9,

When a fire has occurred in the tunnel 100, steps S300 to S312 are performed as shown in FIG. 3 to suppress the fire. In order to remove the harmful substances remaining in the tunnel 100, A plurality of water injection nozzles 122 for removing harmful substances are determined (S314).

In this state, the controller 290 divides the plurality of water injection nozzles 122 determined to remove harmful substances into a plurality of groups (S900) and drives the water supply pump 230 (S902).

The control unit 290 sequentially opens and closes the plurality of groups of water injection nozzles 122 while swinging the water injection nozzles 122 in the direction of the entrance and exit with respect to the fire occurrence position to remove the harmful substances in the tunnel 100 ).

Also, the controller 290 performs the above steps (S320 to S326) to determine whether the concentration of the harmful substance is less than a preset concentration with the output signal of the residual toxic substance detection unit 280. If the concentration is less than the preset concentration The water supply pump 230 is stopped, the water supply valve 240 is closed, and the removal operation of the toxic substances is terminated.

Meanwhile, in the above description, an operation of spraying a fire extinguishing agent against a fire generated in a tunnel and spraying water to remove harmful substances has been described as an example.

In carrying out the present invention, it is possible to constitute the fire suppression operation and the operation for removing the harmful substances independently, and the operation for removing the toxic substances separately from the fire suppression operation can be performed, .

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, All or some of the embodiments may be selectively combined.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by equivalents to the appended claims, as well as the appended claims.

100: tunnel 110, 410-1 to 410-7:
112, 412-1 to 412-7: fire-extinguishing liquid injection valve 120, 420-1 to 420-7:
122, 420-1 to 420-7: water spray nozzle 200: fire detector
210: a digestive juice supply valve 220: a digestive juice supply valve
230: Water supply pump 240: Water supply valve
250: command input unit 260:
270: memory 270: memory
280: Residual Hazardous Substance Detection Unit 290:
600: Water injection nozzle angle adjusting part

Claims (7)

A plurality of water supply pipes installed in the tunnel in the transverse direction with respect to the traveling direction of the moving body, the plurality of water injection nozzles spraying water to remove toxic substances;
A water supply pump for supplying water to the plurality of water supply pipes;
A plurality of water supply valves provided between the plurality of water supply pipes and the water supply pump and supplying or blocking the water;
A plurality of water spray nozzle angle adjusting units capable of adjusting spray angles of the plurality of water spray nozzles;
A residual hazardous substance detection unit for detecting a concentration of a harmful substance remaining in the tunnel; And
A plurality of water supply valves other than the water supply valve corresponding to a fire occurrence position are determined as water supply valves for removing harmful substances when a fire occurs in the tunnel, and the plurality of water injection nozzle angles The control unit controls the injection angle of the water spray nozzle for removing the harmful substances from the fire occurrence position to the entrance and the exit direction of the tunnel and controls water supply to remove the harmful substances based on the fire occurrence position The valves are sequentially opened and closed at a unit time interval from the fire occurrence position to the entrance and exit direction of the tunnel until the concentration detected by the residual toxic substance detection unit becomes less than a preset concentration, To be discharged to the entrance and exit direction of the tunnel Harmful material removal apparatus in the tunnel containing the; The apparatus of claim 1,
A plurality of water supply valves for removing the harmful substances are divided into a plurality of groups, and a plurality of water supply valves of each group are sequentially opened and closed at unit time intervals from the fire occurrence position to the entrance and exit direction of the tunnel Wherein the control unit controls the harmful substances in the tunnel to be discharged to the entrance and the exit of the tunnel. delete Determining a fire occurrence position by an output signal of the fire detection unit;
Determining a plurality of water spray nozzles for spraying water for removing the harmful substances, excluding water spray nozzles at positions corresponding to the fire occurrence position determined by the control unit;
Controlling the plurality of water spray nozzle angle adjusting units to adjust the water spray angle of the plurality of water spray nozzles for spraying the water to the entrance and exit directions of the tunnel based on the fire occurrence position;
Determining a concentration of a toxic substance remaining in the tunnel by an output signal of the residual toxic substance detection unit; And
Wherein the controller drives the water supply pump and controls the plurality of water supply valves corresponding to the plurality of water injection nozzles to spray the water until the concentration detected by the residual toxic substance detection unit becomes less than a preset concentration And sequentially discharging the harmful substances in the direction of the entrance and exit of the tunnel by repeating the opening and closing of the harmful substances in the direction of the entrance and the exit of the tunnel sequentially at a unit time interval. 5. The method of claim 4,
The control unit drives the water supply pump and sequentially opens and closes a plurality of water supply valves corresponding to a plurality of water injection nozzles for spraying the water at unit time intervals from the fire occurrence position toward the entrance and exit direction of the tunnel To discharge the toxic substance toward the entrance and the exit of the tunnel,
Forming a plurality of groups by dividing a plurality of water supply valves corresponding to a plurality of water injection nozzles for spraying the water into a plurality of groups; And
And repeatedly opening and closing a plurality of water supply valves belonging to the plurality of formed groups from the fire occurrence position to the entrance and exit direction of the tunnel at intervals of a unit time, . delete 5. The method of claim 4,
Wherein the control unit controls the plurality of water spray nozzle angle adjusting units to adjust the water spray angle of the plurality of water spray nozzles for spraying the water to the entrance and exit directions of the tunnel based on the fire occurrence position,
Swinging a water spray angle of a plurality of water spray nozzles for spraying the water by selectively controlling the plurality of water spray nozzle angle adjusters in an entrance direction and an exit direction of the tunnel with reference to the fire occurrence position; A method for removing harmful substances in a tunnel.
KR1020160056933A 2016-05-10 2016-05-10 Apparatus and method for removing harmful material in tunnel KR101725900B1 (en)

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Publication number Priority date Publication date Assignee Title
KR20190087735A (en) 2018-01-17 2019-07-25 한국원자력기술 주식회사 Hydrogen Removal Catalyst Body Installation System for Installation in Tunnel
KR102054416B1 (en) * 2018-07-10 2019-12-10 레인보우스케이프 주식회사 Apparatus for preventing dust of underground railway
US11730991B2 (en) 2018-12-17 2023-08-22 Marioff Corporation Oy Sprinkler self-diagnosis

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KR20190087735A (en) 2018-01-17 2019-07-25 한국원자력기술 주식회사 Hydrogen Removal Catalyst Body Installation System for Installation in Tunnel
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US11730991B2 (en) 2018-12-17 2023-08-22 Marioff Corporation Oy Sprinkler self-diagnosis

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