KR101551903B1 - Easy maintenance type sprinkling apparatus in tunnel for road - Google Patents

Easy maintenance type sprinkling apparatus in tunnel for road Download PDF

Info

Publication number
KR101551903B1
KR101551903B1 KR1020150083709A KR20150083709A KR101551903B1 KR 101551903 B1 KR101551903 B1 KR 101551903B1 KR 1020150083709 A KR1020150083709 A KR 1020150083709A KR 20150083709 A KR20150083709 A KR 20150083709A KR 101551903 B1 KR101551903 B1 KR 101551903B1
Authority
KR
South Korea
Prior art keywords
rainwater
filtration
pipe
tunnel
water
Prior art date
Application number
KR1020150083709A
Other languages
Korean (ko)
Inventor
안미섭
Original Assignee
주식회사 탑이엔씨
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 탑이엔씨 filed Critical 주식회사 탑이엔씨
Priority to KR1020150083709A priority Critical patent/KR101551903B1/en
Application granted granted Critical
Publication of KR101551903B1 publication Critical patent/KR101551903B1/en

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0221Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/58Pipe-line systems
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/58Pipe-line systems
    • A62C35/68Details, e.g. of pipes or valve systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Abstract

The present invention relates to a sprinkling apparatus in a road tunnel, comprising: a rainwater catch basin (100) which collects rainwater to be filtered by a first filtration part (110) in a screen shape and discharged; a manhole (200) including a filter box (210) for removing floating matters from the rainwater discharged from the rainwater catch basin (100), the first filtration part (110), and a second filtration part (220); a rainwater storage tank (300) wherein a third filtration part (330) and an on-off valve (340) are provided on one side of a main transfer pipe (310); a sub-transfer pipe (400) wherein a hose valve (410) for managing the rainwater supplied to each fire hose (320); a branch pipe (500) wherein a sprinkling valve (520) is provided to determine the switching state; a locking part to make the first filtration part (110) adhere to a drainage hole part (102b); and a washing part (200) for washing the catch basin (100) and the manhole (200) by making foreign substances accumulated in the rainwater catch basin (100) and the manhole (200) flow backward.

Description

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a water tunnel in a road tunnel,
The present invention relates to a water sprinkler in a road tunnel which is easy to maintain and more particularly to a sprinkler which can save rainwater in an environmentally friendly manner and can be used when a fire occurs, The present invention relates to a water sprinkler in a road tunnel that can be easily maintained and managed in a filtering section.
Currently, fire extinguishing systems equipped with narrow and long passageways such as tunnels are equipped with a manual fire extinguisher system or indoor fire hydrant system, or large fire extinguishing fans that exhaust smoke and heat generated by fire.
A manual fire extinguisher system and an indoor fire hydrant system is a system in which a driver or a passenger hurries to a fire extinguisher box and then a manual fire extinguisher or a fire extinguisher is brought to a fire point and operated. However, since the weight of the hand-operated fire extinguisher and the fire hose is considerable, there is a disadvantage that it is difficult for the ordinary person to use properly in an emergency in addition to a trained firefighter or an official, and it is difficult to respond promptly.
In addition, the exhaust fan system installed on the ceiling of a tunnel is a system for discharging the smoke in the tunnel to prevent smoke from entering the tunnel when a fire occurs and to secure the visibility of people in the tunnel to facilitate evacuation.
However, the fire-extinguishing system of the tunnel is a disadvantage that the fire can not be suppressed. The fire-extinguishing system of the tunnel having the swing type sprinkler developed to overcome such disadvantages, when the fire is generated in the tunnel, In the tunnel fire extinguishing system, two or more sprinklers for sprinkling fire water toward a fire area are provided. In the tunnel fire extinguishing system, two or more sprinklers are provided on the wall surface of the tunnel, In the event of a fire in the tunnel, one or more sprinklers disposed in close proximity to the area of fire have been activated, and one or more sprinklers can fire the digested water in the air to draw a parabola toward the width of the roadway within the tunnel, , The tunnel is buried in the wall or in the vicinity of the wall, When the sprinklers on one side wall of the tunnel are spaced apart from each other at regular intervals in the longitudinal direction of the tunnel, the sprinklers on the other side wall surface of the tunnel are spaced apart from each other at regular intervals And the rotation direction of the sprinkler provided on one side wall of the tunnel and the rotation direction of the sprinkler provided on the other side wall of the tunnel are different from each other.
The background art of the present invention is disclosed in Korean Registered Utility Model No. 20-0452010 (published on Jan. 25, 2011, entitled Design: Tunnel Fire Extinguishing System with Swing Sprinkler).
In the tunneling fire extinguishing system according to the related art, the foreign matter is filtered while the storm has passed through the plurality of filtration sections. Since there is no separate detachable structure for removing foreign substances accumulated in the filtration section, maintenance of the digestion system is easy There is a problem that can not be done.
Therefore, there is a need for improvement.
The present invention can be used in a fire tunnel in which rainwater is stored in an environmentally friendly manner while it can be used even in the event of a power outage caused by a fire in a tunnel and is easy to maintain and manage the filtration part. The purpose of the device is to provide.
The present invention relates to a rainwater collecting apparatus (100) for collecting rainwater and filtering the rainwater through a first filtration unit (110) of a net type and then discharging the same; A filter box 210 for removing suspended solids from rainwater discharged from the rainwater collecting port 100 and a filter box 210 for filtering the rainwater passing through the filter box 210, A manhole (200) including a second filtration part (220) having a tight air gap; A main pipe 310 for storing rainwater discharged from the manhole 200 and for transferring the stored rainwater to a tunnel positioned underground by water pressure is disposed and a lid 320 is provided, A third filtration part 330 having a gap interval that is denser than that of the second filtration part 220 and a rainwater storage tank 300 installed at one side of the main conveyance pipe 310 and an on-off valve 340; A hose valve (not shown) for controlling the rainwater supplied to each of the fire hoses 320 is connected to a plurality of fire hoses 320 connected to the other side of the main conveyance pipe 310 and equipped with a spray nozzle 321 A sub-delivery pipe (400) provided with a suction port (410); A branch pipe 500 branched from the sub conveyor pipe 400 and installed in a ceiling in the tunnel and provided with a plurality of spray nozzles 510 and provided with a fill valve 520 for determining the open / closed state; The first filtration part 110 is provided in the drain hole part 102b formed in the catch tank 102 of the rainwater catcher 100 by restricting the first filtration part 110 provided in the rainwater catcher 100 A restricting portion to be brought into close contact; And a washing unit 200 for supplying washing water flowing backward along the main conveyance pipe 310 to backwash the foreign matter accumulated in the rainwater storage tank 300, the manhole 200 and the rainwater catcher 100, And a control unit.
Further, the restricting portion of the present invention may include a door member 102a rotatably installed in the opening of the collecting tank 102 and having an opening / closing lever 104 installed to be able to protrude / retract; A pressing member 106 installed to protrude and retract from the door member 102a toward the pressing groove 110b formed in the frame member 110a of the first filtering unit 110; And a power transmitting portion 108 for converting the rotational motion of the opening and closing lever 104 into and out of the pressing member 106 and pressing the pressing member 106 to the inside of the pressing groove portion 110b .
The washing unit 201 of the present invention further includes a main transfer pipe 310 for discharging backwash water to separate the foreign substances accumulated in the first filtering unit 110 while the rainwater flows back through the drain hole unit 102b. A supply pipe 202 for supplying the gas to the reaction chamber 202; A shutoff valve 206 for closing the main transfer pipe 310 to prevent washing water from being supplied to the spray nozzle 510 when the washing water is supplied through the supply pipe 202, ); And a supply pump 204 installed in the supply pipe 202 for feeding the wash water.
The water sprinkling device in the road tunnel, which is easy to maintain in accordance with the present invention, collects environmentally-friendly rainwater that has been cleaned a plurality of times in an eco-friendly manner so that the main canal is not clogged by foreign substances, There is an advantage of enabling fire suppression of tunnels without power sources as electricity is not needed through the available structures.
The water sprinkler in the road tunnel, which is easy to maintain in accordance with the present invention, has a restricting portion which can easily separate the first filtration part from the rainwater collecting port and easily separate the rainwater from the rainwater collecting port. The operator can open the door member and easily separate the first filtration part to perform a cleaning work or a replacement work.
FIG. 1 is a block diagram showing a sprinkler in a road tunnel, which is easy to maintain in accordance with an embodiment of the present invention.
FIG. 2 is a block diagram of a tunnel installed with a sprinkler in a road tunnel in accordance with an embodiment of the present invention.
3 is an exploded perspective view illustrating a rainwater catcher of a sprinkler in a road tunnel in which maintenance is easy according to an embodiment of the present invention.
4 is a cross-sectional view illustrating a rainwater catcher of a sprinkler in a road tunnel that is easy to maintain in accordance with an embodiment of the present invention.
FIG. 5 is an operational state view showing a restraining portion of a sprinkler in a road tunnel, which is easy to maintain in accordance with an embodiment of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a sprinkler in a road tunnel that can be easily maintained according to 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. 1 is a schematic view showing a water sprinkler in a road tunnel according to an embodiment of the present invention. FIG. 2 is a schematic view of a water tunnel sprinkler in a road tunnel according to an embodiment of the present invention. FIG. 3 is an exploded perspective view illustrating a rainwater catcher of a sprinkler in a road tunnel, which is easy to maintain in accordance with an embodiment of the present invention. FIG.
4 is a cross-sectional view illustrating a rainwater catcher of a sprinkler in a road tunnel that can be easily maintained according to an embodiment of the present invention. FIG. 5 is a cross- And the restricting portion of the water sprinkling device is shown in the operating state.
1 to 5, a sprinkler in a road tunnel, which is easy to maintain in accordance with an embodiment of the present invention, includes a rainwater catcher 100, a manhole (not shown) for filtering the water in the rainwater catcher 100 A rainwater storage tank 300 for storing the water passed through the manhole 200 and supplying the water to the tunnel side and a main transfer pipe 300 for providing a path from the rainwater storage tank 300 to the tunnel, 310 and a fire hose 320 connected to the rainwater collecting port 100 and a sub conveyor 400 connected to the fire fighting hose 320 and provided in the rainwater collecting port 100 and restricting the first filtering part 110, A restricting portion for allowing the first filtration portion 110 to adhere to the drain hole portion 102b and washing water flowing backward along the main transfer pipe 310 to supply the washing water to the rainwater storage tank 300, the manhole 200, And a washing unit 200 for washing and washing the foreign substances accumulated in the washing unit 100 backwash.
The rainwater collecting port 100 provides a space for collecting rainwater and filters the rainwater collected through the first filtration unit 110 of the net type and then discharges the rainwater to the manhole 200 side. It is preferable that the filtration unit 110 is installed at the inlet side of the pipe connecting the rainwater catcher 100 and the manhole 200 for more efficient filtering of foreign matter.
The manhole 200 includes a filter box 210 made of a mesh, a non-woven fabric, various fabrics and the like to remove suspended matter of rainwater discharged from the rainwater catcher 100, And a second filtering unit 220 having a net-like shape like a mesh network and having a pore interval that is denser than that of the first filtering unit 110 in order to filter the filter box 210. In the case of the filter box 210, The rainwater is filtered and discharged while preventing floating matter of the rainwater that has passed through the rainwater catching port 100 from rising, while the second filtering portion 220 is disposed at the pipe outlet side connecting the rainwater catcher 100 and the manhole 200, 200 and the rainwater storage tank 300 so that the rainwater discharged from the filter box 210 is filtered again to the rainwater storage tank 300 side.
The rainwater storage tank 300 is provided with one side of a main transfer pipe 310 for transferring the rainwater discharged from the manhole 200 to a tunnel positioned underground by water pressure, A third filtration part 330 having a narrower gap than the second filtration part 220 in a net shape and an opening and closing valve 340 are installed on one side of the main transfer pipe 310, The first and second filtration units 320 and 330 may be configured to seal the rainwater storage tank 300 or allow a person or a work tool to enter the inner space of the tank, ) And the filter box 210 and finally the filtered water is delivered to the tunnel along the path of the main conveyance pipe 310 or the rainwater is collected in the storage tank 300 in the closed state .
In addition, the opening / closing valve 340 may be manually opened or closed by a person or a work tool, but may be opened / closed automatically by a solenoid valve, such as a solenoid valve, So that a stronger water pressure can be provided to the sub conveyor pipe 400 side.
The sub conveyor pipe 400 is connected to a plurality of fire hoses 320 connected to the other side of the main conveyance pipe 310 and having an injection nozzle 321, A plurality of injection nozzles 321 may be opened to open only the fire hose closest to the main transfer pipe 310 or only the most remote fire hose may be opened by the total or partial opening states of the plurality of injection nozzles 321 And may open the entire fire hose.
A tunnel is installed on the ceiling of the tunnel by branching from the sub conveyor pipe 400 and provided with a plurality of spray nozzles 510 and a solenoid valve 520 for determining the open / So that water spraying can be performed.
If the operation is repeated for a long period of time, foreign matter may accumulate in the first filtration unit, the second filtration unit, and the third filtration unit to reduce the supply amount of the rainwater. So that the washing water flows backward from the main pipeline, and the accumulated foreign matter can be dropped in the first filtration part, the second filtration part and the third filtration part.
When the foreign matter is not removed in the first filtration unit where the foreign substances are accumulated the most, even if the separation operation of the foreign matter as described above is repeated, the operator releases the restraint unit to easily separate the first filtration unit from the collecting tank, The work can be easily performed.
The restricting portion includes a door member 102a which is rotatably installed in the opening of the water collecting tank 102 and in which the opening and closing lever 104 is capable of retracting from the door member 102a, A pressing member 106 which is provided so as to protrude and retract to the side of the pressing groove portion 110b formed on the pressing member 110a and a pressing member 106 which converts the rotational motion of the opening and closing lever 104 into a protruding / ) To the inside of the pressure-applying groove portion (110b).
Down lever is provided at the upper end of the opening / closing lever so that even when the opening / closing lever is rotated into the cover member, the protruding / retracting lever keeps the protruded state to the outside of the cover member. Therefore, the operator holds the opening and closing lever, rotates the opening and closing lever, So that it can be projected.
Since the power converting portion includes the pinion provided on the rotating shaft of the opening and closing lever and the rack portion formed on the pressing member and coupled to the pinion, the pinion is rotated to linearly move the rack portion.
Accordingly, the pressing member, in which the rack part is formed, protrudes from the bottom surface of the cover member, while pressing the edge member of the first filtering part inside the guide member, so that the first filtering part is closely attached to the drain hole part.
The washing unit 201 includes a supply pipe 202 for supplying the reverse osmosis water to the main transfer pipe 310 so as to separate the foreign substances accumulated in the first filtering unit 110 while the rainwater flows backward through the drain hole part 102b, And a closing valve 206 for closing the main transfer pipe 310 to prevent washing water from being supplied to the spray nozzle 510 when the washing water is supplied through the supply pipe 202. [ And a feed pump 204 installed in the feed pipe 202 for feeding the wash water.
Accordingly, when the operator operates the control unit to perform the cleaning process after the water spraying operation has been performed for a long time, the closing valve 206 is closed, the supply pump is driven after the opening / closing valve is opened, and the washing water, , The second filter portion and the third filter portion can be removed.
This makes it possible to save rainwater in an environmentally friendly manner, to be used in the event of a fire, to be driven even in the event of a power outage caused by a fire in a tunnel, and to facilitate maintenance of the filtration section. . ≪ / RTI >
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 water sprinkler in the road tunnel is easy to maintain, but this is merely an example, and the sprinkler of the present invention can be used in products other than the sprinkler in the road tunnel which is easy to maintain.
Accordingly, the true scope of the present invention should be determined by the following claims.
100: Rainwater catcher 110: First filter unit
200: Manhole 220: Second filtration part
300: Rainwater storage tank 330: Third filtration unit
102: collecting tank 104: opening / closing lever
108: Power conversion unit 201: Cleaning unit

Claims (3)

  1. A rainwater catcher (100) for collecting rainwater and filtering the rainwater through a first filtration unit (110) of a net shape and then discharging the rainwater;
    A filter box 210 for removing suspended solids from rainwater discharged from the rainwater collecting port 100 and a filter box 210 for filtering the rainwater passing through the filter box 210, A manhole (200) including a second filtration part (220) having a tight air gap;
    A main pipe 310 for storing rainwater discharged from the manhole 200 and for transferring the stored rainwater to a tunnel positioned underground by water pressure is disposed and a lid 320 is provided, A third filtration part 330 having a gap interval that is denser than that of the second filtration part 220 and a rainwater storage tank 300 installed at one side of the main conveyance pipe 310 and an on-off valve 340;
    A hose valve (not shown) for controlling the rainwater supplied to each of the fire hoses 320 is connected to a plurality of fire hoses 320 connected to the other side of the main conveyance pipe 310 and equipped with a spray nozzle 321 A sub-delivery pipe (400) provided with a suction port (410);
    A branch pipe 500 branched from the sub conveyor pipe 400 and installed in a ceiling in the tunnel and provided with a plurality of spray nozzles 510 and provided with a fill valve 520 for determining the open / closed state;
    The first filtration part 110 is provided in the drain hole part 102b formed in the catch tank 102 of the rainwater catcher 100 by restricting the first filtration part 110 provided in the rainwater catcher 100 A restricting portion to be brought into close contact; And
    A washing unit 200 for supplying wash water flowing backward along the main conveyance pipe 310 to backwash the foreign matter accumulated in the rainwater storage tank 300, the manhole 200 and the rainwater catcher 100 Including,
    The restraining portion
    A door member 102a rotatably installed in an opening of the water collecting tank 102 and having an opening / closing lever 104 installed to be able to protrude / retract;
    A pressing member 106 installed to protrude and retract from the door member 102a toward the pressing groove 110b formed in the frame member 110a of the first filtering unit 110; And
    And a power transmitting portion 108 for converting the rotational motion of the opening and closing lever 104 into and out of the pressing member 106 and pressing the pressing member 106 to the inside of the pressing groove portion 110b ,
    The cleaning unit 201,
    A supply pipe 202 for supplying an antireflection water to the main transfer pipe 310 so as to separate foreign substances accumulated in the first filtration unit 110 while the rainwater flows back through the drain hole part 102b;
    A shutoff valve 206 for closing the main transfer pipe 310 to prevent washing water from being supplied to the spray nozzle 510 when the washing water is supplied through the supply pipe 202, ); And
    And a supply pump (204) installed on the supply pipe (202) for feeding the wash water.
  2. delete
  3. delete
KR1020150083709A 2015-06-12 2015-06-12 Easy maintenance type sprinkling apparatus in tunnel for road KR101551903B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150083709A KR101551903B1 (en) 2015-06-12 2015-06-12 Easy maintenance type sprinkling apparatus in tunnel for road

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150083709A KR101551903B1 (en) 2015-06-12 2015-06-12 Easy maintenance type sprinkling apparatus in tunnel for road

Publications (1)

Publication Number Publication Date
KR101551903B1 true KR101551903B1 (en) 2015-09-09

Family

ID=54247877

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150083709A KR101551903B1 (en) 2015-06-12 2015-06-12 Easy maintenance type sprinkling apparatus in tunnel for road

Country Status (1)

Country Link
KR (1) KR101551903B1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621270A (en) * 2018-12-04 2019-04-16 宁夏庄周梦蝶科技有限公司 A kind of intelligent indoor fire-fighting system
CN110314301A (en) * 2019-05-15 2019-10-11 台州黄岩博友智能技术有限公司 A kind of forest emergency processing fire device
CN110344473A (en) * 2019-06-26 2019-10-18 来剑锋 The municipal moisturizing facility and control method of a kind of road cleaning or virescence maintenance
CN110975202A (en) * 2019-12-26 2020-04-10 达明科技有限公司 Spraying system for building fire fighting
CN112044001A (en) * 2020-09-11 2020-12-08 丁宗捷 Fire-fighting spraying fire extinguishing device capable of automatically discharging smoke
KR102232052B1 (en) 2020-12-15 2021-03-25 주식회사 미드니 Road sprinkler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200417748Y1 (en) 2006-03-20 2006-06-02 정혁수 Fire extinguishing device for tunnel
KR101011506B1 (en) * 2010-04-19 2011-01-31 (주)설화엔지니어링 Tunnel disaster prevention apparatus using rainwater
KR101396562B1 (en) 2013-12-31 2014-05-20 창전이앤시 주식회사 Ventilation device from humidity area in under ground tunnel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200417748Y1 (en) 2006-03-20 2006-06-02 정혁수 Fire extinguishing device for tunnel
KR101011506B1 (en) * 2010-04-19 2011-01-31 (주)설화엔지니어링 Tunnel disaster prevention apparatus using rainwater
KR101396562B1 (en) 2013-12-31 2014-05-20 창전이앤시 주식회사 Ventilation device from humidity area in under ground tunnel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621270A (en) * 2018-12-04 2019-04-16 宁夏庄周梦蝶科技有限公司 A kind of intelligent indoor fire-fighting system
CN110314301A (en) * 2019-05-15 2019-10-11 台州黄岩博友智能技术有限公司 A kind of forest emergency processing fire device
CN110314301B (en) * 2019-05-15 2020-12-01 日照凯润城市建设管理集团有限公司 Forest emergency treatment conflagration device
CN110344473A (en) * 2019-06-26 2019-10-18 来剑锋 The municipal moisturizing facility and control method of a kind of road cleaning or virescence maintenance
CN110975202A (en) * 2019-12-26 2020-04-10 达明科技有限公司 Spraying system for building fire fighting
CN112044001A (en) * 2020-09-11 2020-12-08 丁宗捷 Fire-fighting spraying fire extinguishing device capable of automatically discharging smoke
KR102232052B1 (en) 2020-12-15 2021-03-25 주식회사 미드니 Road sprinkler

Similar Documents

Publication Publication Date Title
KR101551903B1 (en) Easy maintenance type sprinkling apparatus in tunnel for road
EA024131B1 (en) Wet scrubber having a compact demister that requires reduced energy demand
KR20120017996A (en) Waste water treatment system for vehicle
KR101538784B1 (en) Water filtering device of removing dust from exhaust gas apparatus
KR200417748Y1 (en) Fire extinguishing device for tunnel
KR101011506B1 (en) Tunnel disaster prevention apparatus using rainwater
JP5663276B2 (en) Tunnel water spray equipment and strainer equipment
JP4715831B2 (en) Rainwater intake system
JP2007138561A (en) Intratubular turbidity removing device
US20160102446A1 (en) Water capture device for storage and distribution
CN101810978A (en) Washing dedusting equipment and method for automatically washing filter screen
JP4293096B2 (en) In-pipe turbidity removal device
KR100757705B1 (en) Anti Dead Water Apparatus for Fireplug
CN209790675U (en) Fire control watering lorry with self-cleaning device of high pressure cleaning pipe
KR20150002691U (en) Device for collecting rainwater
CN103596857B (en) Method and apparatus in pneumatic material conveying system
JP2010099040A (en) Dust-removing device for sprinkler
CN207499064U (en) Outdoor fire fighting equipment and outdoor fire fighting system
CN211113982U (en) Gardens prevent stifled escape canal
KR102112839B1 (en) Debris Barrier System of Firefighting water production function for prevention of forest fires
CN211513887U (en) Press down dirt car drainage system and press down dirt car
CN209576124U (en) A kind of antifreeze cycling use of water type wet type Environmental-protecting dust-removing equipment
KR102112451B1 (en) Dredging device
CN111877811B (en) Movable vacuum environment-friendly toilet with large suction force
CN211158887U (en) Anti-blocking domestic sewage treatment device

Legal Events

Date Code Title Description
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20180831

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20190917

Year of fee payment: 5