KR101690240B1 - Apparatus for disaster prevention in tunnel - Google Patents

Apparatus for disaster prevention in tunnel Download PDF

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Publication number
KR101690240B1
KR101690240B1 KR1020160024598A KR20160024598A KR101690240B1 KR 101690240 B1 KR101690240 B1 KR 101690240B1 KR 1020160024598 A KR1020160024598 A KR 1020160024598A KR 20160024598 A KR20160024598 A KR 20160024598A KR 101690240 B1 KR101690240 B1 KR 101690240B1
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KR
South Korea
Prior art keywords
tunnel
unit
water
blowing fan
sensing
Prior art date
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KR1020160024598A
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Korean (ko)
Inventor
이은상
Original Assignee
세안이엔씨 주식회사
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Priority to KR1020160024598A priority Critical patent/KR101690240B1/en
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Publication of KR101690240B1 publication Critical patent/KR101690240B1/en

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/003—Ventilation of traffic tunnels
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
    • E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere

Abstract

According to the present invention, there is provided an emergency evacuation system comprising: a evacuation outlet provided adjacent to a guiding provided at one side of a tunnel; A blowing fan installed on a bottom surface of the guide arranged adjacent to the evacuation outlet so as to blow noxious gas to the other side of the tunnel; An exhaust duct installed at a ceiling of the other side of the tunnel and extending in the longitudinal direction of the tunnel and extending outside the tunnel; An exhaust fan installed in the exhaust duct to discharge noxious gas generated in the tunnel to the outside of the tunnel; A slide passage formed to communicate with the evacuation exit and formed to be inclined lowered to the outside of the tunnel; A water supply unit for supplying water from the upper end of the slide passage to the lower end side of the slide passage when the driver enters through the evacuation exit; A cleaning unit for bypassing water supplied by the water supply unit and spraying water to the blowing fan; A sensing unit which senses foreign matter accumulated in the blowing fan and transmits a cleaning signal when the amount of foreign matter exceeds a set value; A control unit for transmitting a driving signal to the cleaning unit when a cleaning signal is received from the sensing unit; A collecting unit collecting the water to be irradiated to the blowing fan and circulating the water to the water supply unit; A filter unit for filtering the foreign substances contained in the water moved along the collecting unit; And a replacement timing sensing unit for sensing an amount of foreign matter accumulated in the filter unit and transmitting a replacement signal to the controller when the foreign matter exceeds a preset value.

Figure R1020160024598

Description

{APPARATUS FOR DISASTER PREVENTION IN TUNNEL}

The present invention relates to a disaster prevention apparatus in a tunnel, and more particularly, to a disaster prevention apparatus in a tunnel, in which a person located at a central portion of a tunnel can easily escape when a fire occurs in the tunnel, The present invention relates to a disaster prevention apparatus for a disaster in a tunnel capable of preventing damage to persons from being caused by gas and preventing accumulation of foreign matter in the air blowing fan, thereby reducing damage caused by smoke during a fire.

Generally, a tunnel is a structure installed to construct a road or an iron railway through a mountain. It is formed with a waterproof mat on the inner wall surface after piercing the mountain, forming a semicircular tunnel by pouring concrete, The surface forms a road surface on which the vehicle can run.

In the inside of the tunnel, a plurality of lighting lamps are installed on a wall surface of the tunnel ceiling, and a fire extinguishing device is installed on a side wall surface of the tunnel according to a predetermined distance in order to cope with a fire accident in a tunnel.

In recent years, tunnel construction for roads, railways, subways and underwater passages has been actively conducted due to the development of construction technology, and the length of such tunnels tends to become longer.

Currently, there are plans for a submarine tunnel between Korea and Japan, a submarine tunnel connecting Busan and Geoje Island, and the Inje tunnel among highway between Chuncheon and Yangyang under construction.

The conventional fire extinguishing system installed inside the tunnel is composed of a fire hydrant installed at a predetermined distance on the side of the inside of the tunnel. The fire hydrant has a structure in which a powder fire extinguisher and a fire hose are installed therein.

Most of the conventional fire extinguishing systems rely on powder fire extinguishers or fire hoses. When a fire occurs, the fire extinguisher and the fire hose are taken out from the fire hydrant directly by a driver or a user to suppress a vehicle fire inside the tunnel to cope with an emergency situation In fact.

In addition, fire-fighting equipment using spraying is installed only when the length of the tunnel is 3 km or more, and in particular, it is only equipped with a fire extinguisher in a tunnel of less than 1 km.

In this case, when a car accident or a fire due to various causes occurs inside the tunnel, it can not respond quickly. For this reason, minor accidents inside the tunnel can lead to a great disaster in the structure of the tunnel.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Registration No. 10-1037256 (published on May 26, 2011, entitled Disaster Emergency Disaster in a Tunnel).

Generally, fire extinguishing equipment for a tunnel is composed of devices for extinguishing a fire in the event of a fire. Therefore, if there is a large fire that cuts off the entire tunnel or an accident occurs, a passage in which a driver located inside the tunnel can escape to the outside of the tunnel And it is difficult to prevent human injury due to noxious gas filling the inside of the tunnel.

Therefore, there is a need for improvement.

The present invention can easily escape people located in the central part of a tunnel when a fire occurs inside the tunnel and can prevent people from being injured by harmful gas generated inside the tunnel while people are evacuated, The object of the present invention is to provide an emergency disaster prevention device inside a tunnel which can prevent accumulation of foreign matter in the fan and reduce human injury caused by smoke during a fire.

According to the present invention, there is provided an emergency evacuation system comprising: a evacuation outlet provided adjacent to a guiding provided at one side of a tunnel; A blowing fan installed on a bottom surface of the guide arranged adjacent to the evacuation outlet so as to blow noxious gas to the other side of the tunnel; An exhaust duct installed at a ceiling of the other side of the tunnel and extending in the longitudinal direction of the tunnel and extending outside the tunnel; An exhaust fan installed in the exhaust duct to discharge noxious gas generated in the tunnel to the outside of the tunnel; A slide passage formed to communicate with the evacuation exit and formed to be inclined lowered to the outside of the tunnel; A water supply unit for supplying water from the upper end of the slide passage to the lower end side of the slide passage when the driver enters through the evacuation exit; A cleaning unit for bypassing water supplied by the water supply unit and spraying water to the blowing fan; A sensing unit which senses foreign matter accumulated in the blowing fan and transmits a cleaning signal when the amount of foreign matter exceeds a set value; A control unit for transmitting a driving signal to the cleaning unit when a cleaning signal is received from the sensing unit; A collecting unit collecting the water to be irradiated to the blowing fan and circulating the water to the water supply unit; A filter unit for filtering the foreign substances contained in the water moved along the collecting unit; And a replacement timing sensing unit for sensing an amount of foreign matter accumulated in the filter unit and transmitting a replacement signal to the controller when the foreign matter exceeds a preset value.

The cleaning section of the present invention may further include: a branch water pipe branching from the supply pipe and extending toward the inner wall of the tunnel opposite to the blowing fan; A plurality of distribution tubes branched from the branch water supply pipe so as to face the blowing fan and extending into the tunnel; And a nozzle installed in the dispersion pipe, wherein the recovery unit includes: a recovery pipe extending from a space provided in the blowing fan to the water supply unit; And a recovery pump installed in the recovery pipe.

The replacement timing sensing unit may further include: a first pressure gauge installed at an inlet side of the filter unit; A second pressure gauge installed at an outlet side of the filter unit; And an output unit for outputting a replacement signal when the pressure difference between the pressure signal received by the control unit from the first pressure gauge and the pressure signal received by the control unit from the second pressure gauge exceeds a set value.

The emergency disaster prevention device in the tunnel according to the present invention is provided with an evacuation outlet and a ventilating fan at a side of a tunnel and an exhaust duct and an exhaust fan at a ceiling of the other side of the tunnel. There is an advantage that the damage caused by the harmful gas can be prevented when the driver moves to the evacuation exit when a fire occurs.

In addition, in the emergency disaster prevention apparatus in the tunnel according to the present invention, when the driver enters the slide passage through the exit port, water flows into the slide passage by the operation of the water supply portion, so that the driver can easily escape to the outside of the tunnel along the slide passage There is an advantage that the damage caused by the tunnel fire can be reduced.

In addition, since the water supplied to the slide passage is supplied from the tank in which the storm is stored, the emergency disaster prevention device in the tunnel according to the present invention has an advantage that water can be easily supplied to evacuate the driver.

According to another aspect of the present invention, there is provided an emergency disaster prevention system in a tunnel, comprising: a cleaner for supplying water stored in a tank to a blower fan; a sensing unit for sensing a foreign matter accumulation in a space where the blower fan is installed and transmitting a signal; A filter unit for filtering the foreign matter contained in the water circulated by the water collection unit, and a filter member replacement time detecting unit for detecting whether the flow path of the filter unit is clogged, When the foreign substance accumulates in the blowing fan which pushes the smoke from the inside of the tunnel to the exhaust duct side from the inside of the tunnel, the water stored in the tank is sprayed on the blowing fan to remove the foreign substances, There is an advantage that can be made.

FIG. 1 is a configuration diagram illustrating a disaster prevention apparatus in a tunnel according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of a disaster prevention device inside a tunnel according to an embodiment of the present invention.
3 is a side cross-sectional view of a disaster prevention device inside a tunnel according to an embodiment of the present invention.
4 is a block diagram illustrating an emergency disaster prevention apparatus inside a tunnel according to an embodiment of the present invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 2 is a cross-sectional view of a disaster prevention apparatus in a tunnel according to an embodiment of the present invention. FIG. 3 is a cross- FIG. 4 is a block diagram illustrating an emergency disaster prevention system in a tunnel according to an embodiment of the present invention. Referring to FIG.

Referring to FIGS. 1 to 4, an emergency disaster prevention system in a tunnel according to an embodiment of the present invention includes an evacuation exit 30 installed adjacent to a sidewall 12 provided at one side of a tunnel 10, A blowing fan 90 installed on the bottom surface of the sidewalk 12 disposed adjacent to the evacuation outlet 30 so as to blow noxious gas to the other side of the tunnel 10, An exhaust duct 80 disposed in the longitudinal direction of the tunnel 10 and extending to the outside of the tunnel 10 and an exhaust duct 80 installed in the exhaust duct 80 for discharging noxious gas generated inside the tunnel 10 to the outside of the tunnel 10 A slide passage 50 formed so as to communicate with the evacuation outlet 30 and formed so as to be inclined downward to the outside of the tunnel 10 and a slide passage 50 formed to communicate with the evacuation exit 30 through the evacuation outlet 30, The water is supplied from the upper end of the slide passage 50 to the lower end side of the slide passage 50 A washing section 70 for washing the water supplied from the water supply section 70 and a washing section 110 for blowing water to the blowing fan 90 by bypassing the water supplied by the water feeding section 70, A collecting unit 150 for collecting the water to be irradiated to the blowing fan 90 and circulating the water to the water supplying unit 70, A filter unit 170 for filtering the foreign substances contained in the water to be moved along the filter unit 170 and a replaceable unit 170 for detecting the amount of foreign substances accumulated in the filter unit 170, And a control unit 100 for transmitting a driving signal to the cleaning unit 110 when a cleaning signal is received from the sensing unit 130. [

If a situation occurs in which the passage of the tunnel 10 is completely controlled and a driver must evacuate due to a fire in the tunnel 10, the control unit 100 controls the blowing fan 90 and the exhaust fan 84 are driven to move the noxious gas from one side of the tunnel 10 to the other side of the tunnel 10.

One side of the tunnel 10 is an edge on one side of the tunnel 10 having a semicircular shape and the inlet 12 is provided at one side of the tunnel 10. The blowing fan 90 is connected to the inlet 12, As shown in FIG.

Since the support panel 90a having a plurality of holes is formed on the upper surface of the space in which the air blowing fan 90 is installed to prevent the blowing fan 90 from contacting the human body when the driver passes the sidewalk 12, do.

Therefore, when the driver moves past the sidewalk 12 to the evacuation port 30, the air pumped upward from the bottom surface of the sidewall 12 by the ventilating fan 90 passes the noxious gas along the ceiling of the tunnel 10 to the tunnel 10) to the other side, thereby preventing the driver from being exposed to the noxious gas.

A plurality of exhaust fans 84 are installed in the exhaust duct 80 to exhaust noxious gas in the longitudinal direction of the tunnel 10 and a plurality of exhaust holes 82 are formed in the exhaust duct 80. Therefore, The noxious gas which is pushed by the nozzle 90 flows into the exhaust duct 80 through the exhaust hole portion 82 and is discharged to the outside of the tunnel 10 by the operation of the exhaust fan 84.

When the driver opens the door of the evacuation port 30 and enters the water passage 70, water is sprayed to the slide passage 50. When the driver is seated in the slide passage 50, So that it can easily escape to the outside of the tunnel 10 while sliding.

The slide passage 50 can extend from the central portion of the tunnel 10 to the entrance and exit direction of the tunnel 10 and allow the driver to escape to the outside of the tunnel 10. The slide passage 50 is connected to the evacuation exit 30, In the direction of entrance and exit of the tunnel 10.

Therefore, when water is supplied from the evacuation outlet 30 side by the operation of the water supply part 70, water flows in the direction of the entrance and the exit of the tunnel 10 along the slide path 50, It is possible to easily escape to the outside of the tunnel 10 while sliding on the entrance or exit side of the tunnel 10 by the flow of water.

The water supply section 70 includes a plurality of nozzles 70 provided at the upper end of the slide passage 50, a supply pipe 74 connected to the nozzle 70 for supplying water, A pump 76 that is installed in the supply pipe 74 and pumps the water to the nozzle 70 side and a supply pipe 74 that is connected to the supply pipe 74, A tank 78 in which a part of the upper surface of the upper surface is opened and a sieve net 78a for preventing foreign matter from flowing into the opened upper surface is installed and a tank 78 in which when the driver enters the slide path 50 through the evacuation outlet 30, And a sensor 92 for transmitting a sensing signal.

The control unit 100 of the present embodiment transmits power to the pump 77 and transmits a control signal to open the valve 76 when a sensing signal is received from the sensor 92. [

The sensor 92 is disposed at one side of the evacuation port 30 and includes a light emitting unit for emitting light and a light receiving unit for detecting light emitted from the light emitting unit, The light emitted from the light emitting unit is intercepted and the light received by the light receiving unit is interrupted, so that the driver can be detected.

Of course, the sensor 92 may be a proximity sensor 92 installed on the evacuation port 30, a contact sensor 92 installed on the bottom surface of the slide passage 50, etc., It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

When the driver enters the slide passage 50 through the evacuation port 30, a sensing signal is transmitted from the sensor 92 and the control signal is sent to the pump 77 and the valve 76 in accordance with the sensing signal received by the control unit 100 The valve 76 is opened so that the rainwater stored in the tank 78 while the pump 77 is driven is supplied to the nozzle 70 along the supply pipe 74 and is sprayed through the nozzle 70 Water is injected toward the bottom surface of the slide passage (50).

The water injected from the upper end of the slide passage 50 through the nozzle 70 flows along the bottom surface of the slide passage 50 in the direction of the entrance and the exit of the tunnel 10, The seated driver slides along the slide passage 50 and moves in the entrance or exit direction of the tunnel 10 to escape to the outside of the tunnel 10.

A part of the upper surface of the tank 78 is opened so that the storm is stored in the tank 78 and the sieve 78a is installed at the opening portion of the tank 78 so that foreign substances are introduced into the tank 78 .

The cleaning section 110 is branched from the supply pipe 74 and branched water supply pipe 112 extending to the inner wall of the tunnel opposite to the blowing fan 90 and branched water supply pipe 112 so as to face the blowing fan 90 A plurality of dispersion tubes 116 extending into the tunnel, and a cleaning nozzle 118 installed in the dispersion tube 116.

The sensing unit 130 measures the amount of foreign matter accumulated in the air blowing fan 90 by the operation of the sensing unit 130 in a normal time when no fire is generated in the tunnel. A light emitting portion 132 provided in an inner space of a bottom surface of a vehicle to which a person passes and a light receiving portion 134 for sensing light emitted from the light emitting portion 132 and detecting the amount of light do.

Therefore, when the foreign substance accumulates in the space portion where the blowing fan 90 is installed, the light emitted from the light emitting portion 132 is detected by the light receiving portion 134 to be lower than the set value, so that the light is transmitted from the light receiving portion 134 The control unit 100 transmits a cleaning signal according to the signal.

When the cleaning signal is transmitted, the pump 77 is driven to supply water from the tank 78. At this time, the branch water supply valve 114 is opened and the shutoff valve 114a is closed to supply the branch water supply pipe 112 and the dispersion pipe Water is supplied to the inside of the tunnel through the water supply pipe 116 to spray water into the space where the blowing fan 90 is installed.

The water jetted to the blowing fan 90 is collected on the bottom surface of the space portion and discharged along the recovery pipe 152 and is recovered to the tank 78 by the drive of the recovery pump 154. [

The recovery unit 150 includes a recovery pipe 152 extending from the space provided in the blowing fan 90 toward the water supply unit 70 and a recovery pump 154 installed in the recovery pipe 152.

The circulating water passes through the filter member 174 housed in the filter case 172 and is recovered to the tank 78 so that the foreign matter is filtered and the operation of the replacement timing sensing unit 180 It is possible to recognize the replacement timing of the battery 174.

The replacement timing sensing unit 180 includes a first pressure gauge 182 provided on the inlet side of the filter unit 170, a second pressure gauge 184 provided on the outlet side of the filter unit 170, (186) for outputting a replacement signal when the pressure difference between the pressure signal received from the control unit (182) by the control unit (100) and the pressure signal received from the second pressure gauge (184) do.

Since the first pressure gauge 182 is provided at the inlet of the filter case 172 and the second pressure gauge 184 is provided at the outlet of the filter case 172, the pressure signal transmitted from the first pressure gauge 182, If the difference between the pressure signals transmitted from the pressure gauge 184 becomes larger than the set value, it is considered that foreign matter is accumulated in the filter member 174 excessively and water can not pass through the filter member 174, The operator is informed of the replacement timing of the filter member 174. [

Thus, when a fire occurs inside the tunnel, people located at the central portion of the tunnel can easily escape, and it is possible to prevent the damage caused by the harmful gas generated inside the tunnel while people are evacuated, It is possible to provide an emergency disaster prevention device inside a tunnel that can prevent accumulation of foreign matter in the tunnel and reduce the damage caused by smoke during a fire.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

Also, the disaster prevention apparatus inside the tunnel has been described as an example, but this is merely an example, and the disaster prevention apparatus of the present invention can also be used for products other than the disaster emergency apparatus inside the tunnel.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: Tunnel 12: India
30: evacuation exit 50: slide passage
70: water supply part 72: nozzle
74: supply pipe 76: valve
77: pump 78: tank
78a: filter net 80: exhaust duct
82: exhaust hole part 84:
90: blower fan 90a: support panel
90: sensor 100:
110: Taxation Section 112: Branch Water Supply Line
114: branch water supply valve 116: dispersion pipe
118: Cleaning nozzle 130:
132: light emitting portion 134: light receiving portion
150: recovery unit 152: recovery pipe
154: recovery pump 170: filter unit
172: filter case 174: filter member
176: Plug member 180: Replacement time sensing unit
182: first pressure gauge 184: second pressure gauge
186:

Claims (3)

An evacuation exit provided adjacent to the guiding provided at one side of the tunnel;
A blowing fan installed on a bottom surface of the guide arranged adjacent to the evacuation outlet so as to blow noxious gas to the other side of the tunnel;
An exhaust duct installed at a ceiling of the other side of the tunnel and extending in the longitudinal direction of the tunnel and extending outside the tunnel;
An exhaust fan installed in the exhaust duct to discharge noxious gas generated in the tunnel to the outside of the tunnel;
A slide passage formed to communicate with the evacuation exit and formed to be inclined lowered to the outside of the tunnel;
A water supply unit for supplying water from the upper end of the slide passage to the lower end side of the slide passage when the driver enters through the evacuation exit;
A cleaning unit for bypassing water supplied by the water supply unit and spraying water to the blowing fan;
A sensing unit which senses foreign matter accumulated in the blowing fan and transmits a cleaning signal when the amount of foreign matter exceeds a set value;
A control unit for transmitting a driving signal to the cleaning unit when a cleaning signal is received from the sensing unit;
A collecting unit collecting the water to be irradiated to the blowing fan and circulating the water to the water supply unit;
A filter unit for filtering the foreign substances contained in the water moved along the collecting unit; And
And a replacement timing sensing unit for sensing an amount of foreign matter accumulated in the filter unit and transmitting a replacement signal to the controller when the foreign matter exceeds a preset value,
The water-
A plurality of nozzles installed at an upper end of the slide passage;
A supply pipe connected to the nozzle and supplying water;
A valve installed in the supply pipe to open or shut off the supply pipe;
A pump installed in the supply pipe for feeding water to the nozzle side;
A tank which is connected to the supply pipe and has a portion of the upper surface thereof opened so as to contain rainwater and in which a filtering net is provided for preventing foreign matter from entering the opened upper surface;
And a sensor for sensing a driver's entry into the slide passage through the evacuation exit and transmitting a detection signal,
The cleaning unit may include:
A branch water supply pipe branched from the supply pipe and extending toward the inner wall of the tunnel opposite to the blowing fan;
A plurality of distribution tubes branched from the branch water supply pipe so as to face the blowing fan and extending into the tunnel; And
And a cleaning nozzle provided in the dispersion tube,
Wherein,
A return pipe extending from the space portion provided in the blowing fan to the water supply portion side; And
And a recovery pump installed in the recovery pipe,
The replacement-
A first pressure gauge installed at an inlet side of the filter unit;
A second pressure gauge installed at an outlet side of the filter unit; And
And an output unit for outputting a replacement signal when the pressure difference between the pressure signal received from the first pressure gauge by the control unit and the pressure signal received by the control unit from the second pressure gauge exceeds a set value,
The sensing unit includes:
A light emitting unit installed in an inner space formed on a bottom surface of a vehicle to which the fan passes so that the fan is installed; And
And a light receiving unit for sensing the amount of light by sensing light emitted from the light emitting unit. delete delete
KR1020160024598A 2016-02-29 2016-02-29 Apparatus for disaster prevention in tunnel KR101690240B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109252885A (en) * 2018-10-25 2019-01-22 中国安全生产科学研究院 A kind of subway underground station an island platform Fire Ventilation smoke evacuation system and method
CN110645043A (en) * 2019-11-15 2020-01-03 广州力寄采矿设备有限公司 Simple and easy mine device of seeking survival
CN111894654A (en) * 2020-06-22 2020-11-06 罗瑞敏 Device for treating gas at upper corner of coal mine
CN113052526A (en) * 2021-03-17 2021-06-29 中国科学技术大学 Disaster prevention and relief system in underground logistics system
CN113550782A (en) * 2021-08-20 2021-10-26 太原理工大学 Gob-side entry retaining working face goaf gas and natural ignition composite disaster treatment method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990083977A (en) * 1999-09-03 1999-12-06 최우식 Water-Saving Portable Washer
KR20130051671A (en) * 2011-11-10 2013-05-21 주식회사 담형엔지니어링 Refining device for washing water
KR101286013B1 (en) * 2012-10-19 2013-07-19 조동국 Recycling system and bag filter tank of grinding oil
KR101553036B1 (en) * 2015-03-31 2015-09-15 창전이앤시 주식회사 Enclosure apparatus for fire suppression in tunnel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990083977A (en) * 1999-09-03 1999-12-06 최우식 Water-Saving Portable Washer
KR20130051671A (en) * 2011-11-10 2013-05-21 주식회사 담형엔지니어링 Refining device for washing water
KR101286013B1 (en) * 2012-10-19 2013-07-19 조동국 Recycling system and bag filter tank of grinding oil
KR101553036B1 (en) * 2015-03-31 2015-09-15 창전이앤시 주식회사 Enclosure apparatus for fire suppression in tunnel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109252885A (en) * 2018-10-25 2019-01-22 中国安全生产科学研究院 A kind of subway underground station an island platform Fire Ventilation smoke evacuation system and method
CN110645043A (en) * 2019-11-15 2020-01-03 广州力寄采矿设备有限公司 Simple and easy mine device of seeking survival
CN110645043B (en) * 2019-11-15 2020-08-21 哈密和鑫矿业有限公司 Simple and easy mine device of seeking survival
CN111894654A (en) * 2020-06-22 2020-11-06 罗瑞敏 Device for treating gas at upper corner of coal mine
CN111894654B (en) * 2020-06-22 2022-08-09 山西地宝能源有限公司 Device for treating gas at upper corner of coal mine
CN113052526A (en) * 2021-03-17 2021-06-29 中国科学技术大学 Disaster prevention and relief system in underground logistics system
CN113052526B (en) * 2021-03-17 2023-06-23 中国科学技术大学 Disaster prevention and relief system in underground logistics system
CN113550782A (en) * 2021-08-20 2021-10-26 太原理工大学 Gob-side entry retaining working face goaf gas and natural ignition composite disaster treatment method

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