KR100669228B1 - Drainage canal structure in apartment complex for prevention of overflowing - Google Patents

Drainage canal structure in apartment complex for prevention of overflowing Download PDF

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Publication number
KR100669228B1
KR100669228B1 KR1020050084601A KR20050084601A KR100669228B1 KR 100669228 B1 KR100669228 B1 KR 100669228B1 KR 1020050084601 A KR1020050084601 A KR 1020050084601A KR 20050084601 A KR20050084601 A KR 20050084601A KR 100669228 B1 KR100669228 B1 KR 100669228B1
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South Korea
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chamber
drainage
chamber inlet
inlet hole
inflow hole
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KR1020050084601A
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Korean (ko)
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정철영
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(주)청우종합건축사사무소
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E03F3/046—Open sewage channels
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

A drainage structure in a construction district for preventing overflow of rainwater is provided to prevent surrounding environment from being polluted by overflowing rainwater to the outer side of the structure even in rainy season or the rainy spell in summer. A drainage structure(1) in a construction district for preventing overflow of rainwater comprises a drainage body(20) formed with a joint connecting unit(23) on one end as a conduit opened at the upper side and a chamber inflow hole(21) on the lower end of the inner left and right sides; a flood preventing chamber unit(30) formed as an empty space on the outer left and right sides of the drainage body to be connected by the chamber inflow hole; and a chamber opening/closing member(10) formed on the front end of the chamber inflow hole of the drainage body with a blocking plate(13) opening/closing the chamber inflow hole by a floating body(12) moved up and down along the water level. The chamber opening/closing member has a cylindrical mesh body(11) formed on the front end of the chamber inflow hole to prevent foreign matters from being flowed in; the floating body disposed in the mesh body to be moved up and down along the water level; and the blocking plate connected with the floating body and disposed on the front end of the chamber inflow hole to be moved up and down by the floating body so as to open/close the chamber inflow hole.

Description

우수범람방지를 위한 건축단지내 배수로 구조물{Drainage canal structure in apartment complex for prevention of overflowing}Drainage canal structure in apartment complex for prevention of overflowing}

도 1은 본 발명 실시 예인 배수로 구조물의 모습을 보인 사시도, 1 is a perspective view showing a state of a drainage structure according to an embodiment of the present invention;

도 2는 본 발명 실시 예인 배수로 구조물의 정단면도, 2 is a front sectional view of the drainage structure according to the embodiment of the present invention;

도 3은 본 발명 실시 예인 배수로 구조물의 평면도,3 is a plan view of the drainage structure which is an embodiment of the present invention;

도 4a는 본 발명 실시 예인 배수로 구조물 내부에 흐르는 우수의 양 정상적일 때의 모습을 나타낸 사용상태 단면도, Figure 4a is a cross-sectional view showing the state of use when the amount of rainwater flowing inside the drainage structure is an embodiment of the present invention normal,

도 4b는 본 발명 실시 예인 배수로 구조물 내부에 흐르는 우수의 양이 집중호우로 인해 많을 때의 모습을 나타낸 사용상태 단면도,Figure 4b is a cross-sectional view showing the state of use when the amount of rainwater flowing in the drainage structure is an embodiment of the present invention due to the heavy rain,

도 4c는 본 발명 실시 예인 배수로 구조물 내부에 흐르는 우수의 수위가 집중호우로 인해 높았다가 범람방지챔버부에 의해 다시 정상적인 수위를 유지하게 되는 모습을 나타낸 사용상태 단면도. Figure 4c is a cross-sectional view showing a state in which the rainwater level flowing inside the drainage structure of the embodiment of the present invention is high due to the heavy rain to maintain the normal water level again by the overflow prevention chamber.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1 : 배수구 구조물 10 : 챔버개폐부재1: drainage structure 10: chamber opening and closing member

11 : 매쉬망체 12 : 부구11: mesh mesh 12: float

13 : 차단판 20 : 배수구몸체13: blocking plate 20: drainage body

21 : 챔버유입공 22 : 승강홈21: chamber inlet hole 22: lifting groove

23 : 이음연결부 30 : 범람방지챔버부23: joint connection part 30: overflow prevention chamber part

본 발명은 우수범람방지를 위한 건축단지내 배수로 구조물에 관한 것으로서, 보다 상세하게는 집중호수가 내리는 우기인 장마철에도 우수가 배수로 구조물(개거) 외부로 범람되는 것을 방지하여 그 주변환경이 오염되는 것을 미연에 방지할 수 있는 우수범람방지를 위한 건축단지내 배수로 구조물에 관한 것이다.The present invention relates to a drainage structure in a building complex to prevent storm overflow, and more particularly, to prevent the rainwater from overflowing to the drainage structure outside the rainy season during rainy season when the concentrated lake falls. The present invention relates to a drainage structure in a building complex for preventing stormwater overflow.

수로는 크게 관을 통해 물을 흘려보내는 압력수로(관수로)와, 흐르는 물이 대기와 접하도록 자유수면(自由水面)을 갖는 무압수로로 분류되는데, 압력수로의 대표적인 예로는 상, 하수도 및 송유관이 있고, 무압수로의 대표적인 예로는 농경지나 하천에 부설된 개거가 있다.Waterways are largely classified into pressure canals (water canals) that flow water through pipes, and non-pressure canals with free water surfaces that allow flowing water to come into contact with the atmosphere. Typical examples of pressure canals include water and sewage systems. And an oil pipeline, and a representative example of a pressureless waterway is an open field installed in farmland or river.

개거(開渠;open channel)는 윗면을 덮지 않고 그대로 터놓은 수로로, 보통 철도궤도 밑을 가로 뚫고 도랑을 파거나, 측벽(側壁)을 설치하여 도로,운하 등을 통하기 위해 만든, 위를 터놓은 방식의 작은 도랑을 말하며, 훼손 및 파손되어 물의 흐름이 막히는 것을 방지하고, 물의 흐름 방향이 변경되는 것을 방지하기 위하여 지반을 파낸 후 합성수지나 콘크리트 재질의 "u"형 구조물을 부설하는 것이 일반적이다.An open channel is an open channel that does not cover the top of the open channel.It is usually a channel that opens through a road or canal by digging a trench through a railroad track or installing a sidewall. It is a small ditch of the laid type, and it is common to lay a "u" type structure made of synthetic resin or concrete after digging the ground to prevent the flow of water from being blocked by damage and damage. .

그러나, 이렇게 상부가 개방되는 구조인 개거가 아파트와 같은 건축단지 내의 배수로 구조물로 사용될 때에는 장마철이나 국지적인 집중호우시 집수되어 배수 되는 우수가 배수로 구조물로 한꺼번에 많은 양이 집중되어 배출됨으로 인해 우수가 배수로 구조물의 외부로 넘쳐 흘러(OVERFLOW) 그 주변부를 오염시키게 되고, 흘러 넘쳐서 형성된 습한 환경은 모기와 같은 해충이 잘 번식할 수 있는 환경을 제공하게 되는 등의 문제점이 있었다.However, when the open space is used as a drainage structure in a building complex such as an apartment, the rainwater drainage can be collected and drained during rainy seasons or localized heavy rains. Overflow to the outside of the structure (OVERFLOW) to contaminate the periphery, the moist environment formed by overflowing has been a problem such as to provide an environment in which pests such as mosquitoes can breed well.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 집중호수가 내리는 우기인 장마철에도 우수가 배수로 구조물(개거) 외부로 범람되는 것을 방지하여 그 주변환경이 오염되는 것을 미연에 방지할 수 있는 우수범람방지를 위한 건축단지내 배수로 구조물을 제공함에 그 목적이 있다.The present invention is to solve the problems as described above, even rainy season is rainy season raining down the concentrated lake to prevent the rain to overflow to the outside of the drainage structure (gauge) to prevent the flooding of rainwater that can prevent the surrounding environment in advance The purpose is to provide a drainage structure in the building complex for.

이와 같은 목적을 달성하기 위하여, 본 발명은 상부가 개방된 관체로 일단에 이음연결부가 형성되고 내부 좌우측 하단에 챔버유입공이 형성된 배수로몸체와;In order to achieve the above object, the present invention is a drainage body body is formed in the upper end of the joint connecting portion is formed in one end and the chamber inlet hole in the lower left and right sides;

배수로몸체의 좌우측 외면에 형성된 빈 공간으로 챔버유입공에 의해 연결되는 범람방지챔버부와;An overflow prevention chamber part connected to the empty space formed on the left and right outer surfaces of the drain passage body by a chamber inlet hole;

배수로몸체의 챔버유입공 선단에 형성되어 수위에 따라 승강되는 부구에 의해 챔버유입공을 개방 또는 폐쇄시키는 차단판이 형성된 챔버개폐부재를 구비하는 특징을 갖는다. It is characterized in that it comprises a chamber opening and closing member formed at the tip of the chamber inlet hole of the drainage passage body and formed with a blocking plate for opening or closing the chamber inlet hole by a buoy raised and lowered according to the water level.

상기 챔버개폐부재는, 챔버유입공 선단에 형성되어 이물질의 유입을 방지하는 원통형상의 망체인 메쉬방체와, 메쉬망체의 내부에 위치되어 수위에 따라 승강되는 부구와, 부구와 연결되고 챔버유입공 선단에 위치되어 부구에 의해 승강되면 서 챔버유입공을 개폐시키는 차단판을 구비하는 특징을 갖는다.The chamber opening / closing member is formed at the tip of the chamber inlet hole to prevent inflow of foreign matter, a mesh mesh having a cylindrical shape, and an inside of the mesh network positioned to rise and fall according to the water level, and connected to the mouth and the end of the chamber inlet hole. Located in the ascending by the float has a feature having a blocking plate for opening and closing the chamber inlet hole.

이하, 본 발명을 첨부된 도면에 의해 보다 상세하게 설명하면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

도 1은 본 발명 실시 예인 배수로 구조물의 모습을 보인 사시도이고, 도 2는 본 발명 실시 예인 배수로 구조물의 정단면도이며, 도 3은 본 발명 실시 예인 배수로 구조물의 평면도이다. 1 is a perspective view showing a drainage structure according to an embodiment of the present invention, FIG. 2 is a front sectional view of a drainage structure according to the present invention, and FIG. 3 is a plan view of the drainage structure according to the present invention.

본 발명의 우수범람방지를 위한 건축단지내 배수로 구조물(1)은, 단면이 U자형 또는 상부가 개방된 사각형상으로 내측 하부에 챔버유입공(21)을 갖고 건축단지 내에서 우수가 집, 배수되는 수로인 배수로몸체(20)와, 배수로몸체(20)의 챔버유입공(21)과 연결되고 좌우 외측면에서 외측으로 돌출되게 형성되고 내부가 빈 공간인 범람방지챔버부(30)와, 배수로몸체(20)의 챔버유입공(21) 선단에 형성되어 집, 배수되는 우수의 범람위기시 챔버유입공(21)을 개방시켜 우수를 수위를 낮춰주는 챔버개폐부재(10)로 구성된다.Drainage structure 1 in the building complex for preventing excellent flooding of the present invention has a U-shaped cross section or a rectangular inlet shape of the upper portion has a chamber inlet 21 in the lower inner side, the rainwater is collected and drained in the building complex Drainage body 20, which is a water channel, is connected to the chamber inlet hole 21 of the drainage body 20, is formed to protrude outward from the left and right outer surface, the interior of the overflow prevention chamber portion 30 and the drainage body Formed at the tip of the chamber inlet 21 of the chamber 20 is composed of the chamber opening and closing member 10 to lower the water level by opening the chamber inlet 21 in the case of flooding rainwater overflowing home, drainage.

상기 배수로몸체(20)는 상부가 개방된 관체로, 일단에는 이음연결부(23)가 형성되어 다수 개가 연결되도록 형성되고, 내부 좌우측 하단에는 챔버유입공(21)이 다수 개 형성되며, 챔버유입공(21)의 상부에는 후술되는 차단판(13)이 승강되는 공간인 승강홈(22)이 형성된다.The drainage passageway body 20 is an open upper tube, one end of the joint connecting portion 23 is formed to be connected to a plurality, the inner left and right side lower end formed a plurality of chamber inlet hole 21, chamber inlet hole An elevating groove 22, which is a space in which the blocking plate 13 to be described later, is lifted is formed on the upper portion 21.

상기 범람방지챔버부(30)는 배수로몸체(20)의 좌우측 외면에 형성된 빈 공간으로, 챔버유입공(21)에 의해 연결되고, 챔버개폐부재(10)의 차단판(13)에 의해 개폐되어, 우수의 범람위기시 배수로몸체(20)의 우수를 상당량 일시 저장함으로써 배수로몸체(10)에 흐르는 우수의 수위를 보다 낮춰 범람을 방지하게 된다.The overflow prevention chamber part 30 is an empty space formed on the left and right outer surfaces of the drainage body 20 and is connected by the chamber inlet hole 21, and is opened and closed by the blocking plate 13 of the chamber opening / closing member 10. In the case of the overflowing crisis of rainwater, by storing a considerable amount of rainwater in the drainage body 20 temporarily, the level of rainwater flowing in the drainage body 10 is lowered to prevent flooding.

상기 챔버개폐부재(10)는 배수로몸체(20)의 챔버유입공(21) 선단에 형성되고, 흐르는 우수의 수위에 따라 승강되어 챔버유입공(21)을 개방 또는 폐쇄시키는 것으로, 챔버유입공(21) 선단에 형성되어 이물질의 유입을 방지하는 원통형상의 망체인 메쉬망체(11)와, 메쉬망체(11)의 내부에 위치되어 수위에 따라 승강되는 부구(12)와, 부구(12)와 연결되고 챔버유입공(21)에 위치되어 부구(12)에 의해 승강되면서 챔버유입공(21)을 개폐시키는 차단판(13)으로 구성된다.The chamber opening and closing member 10 is formed at the tip of the chamber inlet hole 21 of the drainage passageway 20, and is elevated in accordance with the flowing water level to open or close the chamber inlet hole 21. 21) a mesh mesh 11, which is a cylindrical mesh that is formed at the front end to prevent foreign substances from entering, and is connected to the float 12, which is positioned inside the mesh mesh 11 and is elevated according to the water level. And positioned in the chamber inlet hole 21 and being lifted by the buoy 12 to constitute a blocking plate 13 that opens and closes the chamber inlet hole 21.

이와 같은 본 발명의 사용상태를 설명하면 다음과 같다.Referring to the use state of the present invention as follows.

도 4a는 본 발명 실시 예인 배수로 구조물 내부에 흐르는 우수의 양 정상적일 때의 모습을 나타낸 사용상태 단면도로, 우천시 배수구몸체(20) 내부에 집, 배수되어 흐르는 우수는, 대개의 경우, 챔버개폐부재(10)의 부구(12) 하측에서 흐르게 된다. 이에 따라 배수구몸체(10) 하단에 형성된 챔버유입공(21)은 차단판(13)에 의해 막혀진 상태를 그대로 유지하게 된다.Figure 4a is a cross-sectional view showing a state of use when the amount of rainwater flowing in the drainage structure inside the embodiment of the present invention is normal, the rainwater flowing into the drainage body 20 during rainy weather, in most cases, the chamber opening and closing member It flows below the float 12 of (10). Accordingly, the chamber inlet hole 21 formed at the lower end of the drain body 10 is maintained as it is blocked by the blocking plate 13.

도 4b는 본 발명 실시 예인 배수로 구조물 내부에 흐르는 우수의 양이 집중호우로 인해 많을 때의 모습을 나타낸 사용상태 단면도로, 집중호우로 인해서 보통 때와는 달리, 많은 양의 우수가 배수구몸체(20) 내부로 집, 배수되면, 배수구몸체(20)에 흐르는 우수의 수위는 갑자기 상측으로 상승되고, 이에 따라 챔버개폐부재(10)의 부구(12)도 수위에 따라 매쉬망체(11) 내부에서 상승되며, 부구(12)에 연결되어 챔버유입공(21)을 막고 있던 차단판(13)은 부구(12)와 같이 승강되어 승강홈(22)에 위치되고 챔버유입공(21)은 개방된다. Figure 4b is a cross-sectional view showing a state when the amount of rainwater flowing in the drainage structure is an embodiment of the present invention due to the heavy rain, unlike the usual time due to the heavy rain, a large amount of rain drain body 20 When the house is drained and drained, the rainwater level flowing in the drain body 20 suddenly rises upwards, so that the mouth 12 of the chamber opening / closing member 10 also rises in the mesh network 11 according to the water level. The blocking plate 13, which is connected to the accessory 12 and blocks the chamber inlet 21, is elevated like the accessory 12, positioned in the lifting groove 22, and the chamber inlet 21 is opened.

이렇게 하단부터 서서히 개방되는 챔버유입공(21)에는 배수구몸체(20) 내부 에 흐르던 우수가 유입되어 챔버유입공(21)을 통해 범람방지챔버부(30) 내부의 빈 공간을 채우게 된다. 이에 따라 배수구몸체(20)에서 흐르는 오수의 수위는 도 4와 같이, 점차로 내려가게 되며, 배수구몸체60)는 오수의 범람위기를 극복하게 된다.The rainwater flowing into the drainage body 20 flows into the chamber inlet hole 21 gradually opening from the bottom to fill the empty space inside the flood prevention chamber part 30 through the chamber inlet hole 21. Accordingly, the water level of the sewage flowing through the drainage body 20 is gradually lowered as shown in FIG. 4, and the drainage body 60 overcomes the flooding crisis of the sewage.

도 4c는 본 발명 실시 예인 배수로 구조물 내부에 흐르는 우수의 수위가 집중호우로 인해 높았다가 범람방지챔버부에 의해 다시 정상적인 수위를 유지하게 되는 모습을 나타낸 사용상태 단면도로, 이렇게 집중호우로 인해 갑자기 높아지던 배수구몸체(20) 내부의 수위는 점차로 내려가 범람위기를 무사히 넘길 수 있게 된다.4C is a cross-sectional view showing a state in which the rainwater level flowing inside the drainage structure according to the embodiment of the present invention is high due to the heavy rain and maintains the normal water level again by the flood prevention chamber part. The water level inside the drainage body 20 is gradually lowered to be able to safely pass the flooding crisis.

이 상태에서 집중호우의 양이 줄어들면, 이 상태로 우수의 양이 점차로 줄어들게 되고, 배수구몸체(20) 내부의 오수 수위와 범람방지챔버부(30) 내부에 충진된 오수의 수위는 점차로 줄어들어 없어진다. In this state, if the amount of heavy rain decreases, the amount of rainwater gradually decreases in this state, and the sewage level in the drainage body 20 and the sewage level filled in the flood prevention chamber part 30 gradually decrease and disappear. .

이로 인해 본 발명의 배수구 구조물(1)은 갑자기 많은 우수가 집, 배수되는 집중호우시에도 우수가 범람하지 않아 그 주변환경이 오염되지 않는 깨끗한 환경을 그대로 유지할 수 있게 되고, 이에 따라 모기와 같은 해충의 서식 및 산란처의 제공을 미연에 근본적으로 방지함으로써, 다가구가 모여 사는 건축단지 내의 쾌적한 환경은 그대로 유지할 수 있게 된다.Due to this, the drainage structure 1 of the present invention suddenly does not overflow even in the case of heavy rains in which a lot of rainwater is housed and drained, so that the surrounding environment can be maintained without being polluted, and thus, pests such as mosquitoes. By fundamentally preventing the provision of habitation and spawning places, it is possible to maintain a pleasant environment within the building complex where multi-family dwellings live.

이와 같이, 본 발명은 집중호수가 내리는 우기인 장마철에도 우수가 배수로 구조물(개거) 외부로 범람되는 것을 방지하여 그 주변환경이 오염되는 것을 미연에 방지할 수 있는 효과가 있다.As described above, the present invention prevents the rainwater from overflowing to the drainage structure (gauge) even in the rainy season, which is a rainy season in which the concentrated lake falls, thereby preventing the surrounding environment from being contaminated.

Claims (2)

상부가 개방된 관체로 일단에 이음연결부가 형성되고 내부 좌우측 하단에 챔버유입공이 형성된 배수로몸체와;A drainage passage body in which a joint connection part is formed at one end of the tube body at an upper end thereof, and a chamber inlet hole is formed at the lower left and right sides thereof; 배수로몸체의 좌우측 외면에 형성된 빈 공간으로 챔버유입공에 의해 연결되는 범람방지챔버부와;An overflow prevention chamber part connected to the empty space formed on the left and right outer surfaces of the drain passage body by a chamber inlet hole; 배수로몸체의 챔버유입공 선단에 형성되어 수위에 따라 승강되는 부구에 의해 챔버유입공을 개방 또는 폐쇄시키는 차단판이 형성된 챔버개폐부재를 구비함을 특징으로 하는 우수범람방지를 위한 건축단지내 배수로 구조물. And a chamber opening / closing member formed at a distal end of the body of the drainage channel and having a blocking plate for opening or closing the chamber inlet by a buoy raised and lowered according to the water level. 제 1항에 있어서, The method of claim 1, 상기 챔버개폐부재는;The chamber opening and closing member is; 챔버유입공 선단에 형성되어 이물질의 유입을 방지하는 원통형상의 망체인 메쉬방체와;A mesh cube formed at the front end of the chamber inlet hole and having a cylindrical mesh to prevent foreign substances from entering; 메쉬망체의 내부에 위치되어 수위에 따라 승강되는 부구와;A float located inside the mesh net and being elevated according to the water level; 부구와 연결되고 챔버유입공 선단에 위치되어 부구에 의해 승강되면서 챔버유입공을 개폐시키는 차단판을 구비함을 특징으로 하는 우수범람방지를 위한 건축단지내 배수로 구조물. A drainage structure in a building complex for preventing flooding, characterized in that it is connected to the buckle and positioned at the tip of the chamber inlet hole, the barrier plate is opened and closed to open and close the chamber inlet hole.
KR1020050084601A 2005-09-12 2005-09-12 Drainage canal structure in apartment complex for prevention of overflowing KR100669228B1 (en)

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Publication number Priority date Publication date Assignee Title
KR101064916B1 (en) * 2011-03-29 2011-09-16 주식회사 우빈기술개발 Drainage canal for prevention of overflowing
KR200465849Y1 (en) 2010-11-16 2013-03-13 가보 주식회사 Generator apparatus using discharge water
CN107120051A (en) * 2017-07-06 2017-09-01 高瞻 A kind of hand inserts formula water blocking door
KR102344238B1 (en) * 2020-09-21 2021-12-28 (주)창조종합건축사사무소 Integral drainage structure that can divert non-point pollution drain to storm drain
CN114632565A (en) * 2022-03-24 2022-06-17 江苏科华医疗器械科技有限公司 Openable drainage type liquid collecting device

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JPH08284139A (en) * 1995-04-10 1996-10-29 Nippon Steel Corp Automatic lifting-lowering type levee body
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200465849Y1 (en) 2010-11-16 2013-03-13 가보 주식회사 Generator apparatus using discharge water
KR101064916B1 (en) * 2011-03-29 2011-09-16 주식회사 우빈기술개발 Drainage canal for prevention of overflowing
CN107120051A (en) * 2017-07-06 2017-09-01 高瞻 A kind of hand inserts formula water blocking door
CN107120051B (en) * 2017-07-06 2019-07-05 高瞻 A kind of slotting formula water blocking door of hand
KR102344238B1 (en) * 2020-09-21 2021-12-28 (주)창조종합건축사사무소 Integral drainage structure that can divert non-point pollution drain to storm drain
CN114632565A (en) * 2022-03-24 2022-06-17 江苏科华医疗器械科技有限公司 Openable drainage type liquid collecting device
CN114632565B (en) * 2022-03-24 2023-09-29 江苏科华医疗器械科技有限公司 Openable liquid drainage type liquid sampling device

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