KR200398039Y1 - Stepping stone structure for water quality purification - Google Patents
Stepping stone structure for water quality purification Download PDFInfo
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- KR200398039Y1 KR200398039Y1 KR20-2005-0019912U KR20050019912U KR200398039Y1 KR 200398039 Y1 KR200398039 Y1 KR 200398039Y1 KR 20050019912 U KR20050019912 U KR 20050019912U KR 200398039 Y1 KR200398039 Y1 KR 200398039Y1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D18/00—Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
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Abstract
본 고안은 수질정화재를 필터망에 삽입 후 측면에 통수공이 형성된 징검다리내부에 삽입하여 통수공을 통해 유입된 물이 수질정화재를 통과하면서 정화되어 유출되도록 형성함으로써, 단순한 다리기능뿐만 아니라 수질을 정화하여 수중생물의 서식이 원활하도록 녹조방지 및 중금속 등의 오염물질을 흡착하여 징검다리의 주변을 환경친화적으로 형성하도록 한 수질정화용 징검다리 구조체를 제공하는데 그 목적이 있다.The present invention inserts the water purifier into the filter net and then inserts it into the inside of the stepping bridge where the water hole is formed so that the water introduced through the water hole is purified and discharged while passing through the water purifier, thereby purifying the water quality as well as the simple leg function. Therefore, the purpose of the present invention is to provide a water purification purification bridge structure for adsorbing pollutants such as green algae and heavy metals so that the habitat of aquatic organisms can be made to be environmentally friendly.
상기한 목적을 달성하기 위한 본 고안에 따른 수질정화용 징검다리 구조체는 유선형 단면형상으로 이루어지며, 하상에 설치되는 기단과; 상기 기단과 일체로 형성됨과 동시에 유선형 단면형상으로 이루어지며, 전후좌우로 물이 통수되도록 통수공이 형성되며, 상면으로부터 일정한 깊이로 다수개의 삽입공이 형성된 징검다리로 구성됨을 특징으로 한다.Water purification purification bridge structure according to the present invention for achieving the above object is made of a streamlined cross-sectional shape, and the base is installed on the bottom; It is formed integrally with the base and at the same time has a streamlined cross-sectional shape, the water through hole is formed so that water is passed to the front, rear, left and right, characterized in that composed of a stepping bridge formed with a plurality of insertion holes at a predetermined depth from the upper surface.
따라서, 본 고안에 따른 수질정화용 징검다리 구조체는 수질정화재를 필터망에 삽입 후 측면에 통수공이 형성된 징검다리 내부에 삽입하여 통수공을 통해 유입된 물이 수질정화재를 통과하면서 정화되어 유출되도록 형성함으로써, 단순한 다리기능뿐만 아니라 수질을 정화하여 수중생물의 서식이 원활하도록 녹조방지 및 중금속 등의 오염물질을 흡착하여 징검다리의 주변을 환경친화적으로 형성하는 이점이 있다.Accordingly, the water purification purification bridge structure according to the present invention is formed by inserting the water purification material into the filter network after inserting the water purification material into the water purification hole formed on the side so that the water introduced through the water purification hole is purified and flowed out through the water purification material. In addition, it has the advantage of forming environmentally friendly surroundings of the stepping bridge by adsorbing pollutants such as green algae and heavy metals so as to purify the water quality as well as the simple bridge function.
Description
본 고안은 수질정화용 징검다리 구조체에 관한 것으로, 특히 수질정화재를 필터망에 삽입 후 측면에 통수공이 형성된 징검다리의 내부에 삽입하여 통수공을 통해 유입된 물이 수질정화재를 통과하면서 정화되어 유출되도록 한 수질정화용 징검다리 구조체에 관한 것이다.The present invention relates to a water purification purification bridge structure, and in particular, the water purification material is inserted into the filter net and then inserted into the inside of the watering bridge formed with a water hole on the side so that the water introduced through the water hole is purified and discharged while passing through the water purification material. A water purification purification leg structure.
일반적으로 강이나 큰 하천에는 통행인들의 편의를 위해 주로 다리가 설치되지만, 작은 하천이나 하천생태공원에는 주로 징검다리가 설치된다.Generally, bridges are installed in rivers and large rivers for the convenience of passers-by, while small rivers and river ecological parks are usually equipped with stepping stones.
여기서, 상기한 징검다리는 주변의 자연석을 다수개를 일정한 간격으로 설치하는 것이 보통이지만, 최근에는 자연석을 모방한 콘크리트 인조석도 많이 설치하고 있는 실정이다.Here, it is common to install a plurality of natural stones at regular intervals. However, in recent years, many artificial artificial stones imitating natural stones have been installed.
그러나 상기한 바와 같은 종래의 징검다리는 단순히 통행인이 건너기 위한 통행수단으로만 제공될 뿐만 아니라 또한 그 재질이 콘크리트로 이루어져 있기 때문에 일반 자연석에 비해 환경 친화적이지 못한 문제점이 있다. However, the conventional stepping bridge as described above is not only provided as a means of passage for passers-by, but also because the material is made of concrete, there is a problem that it is not environmentally friendly compared to general natural stone.
따라서, 하천을 관리하는데 있어서 물고기 등의 수중생물이 살아갈 수 있는 자연환경을 제공하기 위한 환경문제는 물고기뿐만 아니라 인간의 삶의 질에 있어 매우 중요한 과제로 그 중요성이 날로 부각되고 있는 실정이다. Therefore, in the management of rivers, the environmental problem for providing a natural environment in which aquatic organisms such as fish can live is a very important task not only for fish but also for the quality of human life.
이에, 본 고안은 상기한 바와 같은 제문제점을 해결하기 위해 안출된 것으로서, 수질정화재를 필터망에 삽입 후 측면에 통수공이 형성된 징검다리 내부에 삽입하여 통수공을 통해 유입된 물이 수질정화재를 통과하면서 정화되어 유출되도록 형성함으로써, 단순한 다리기능뿐만 아니라 수질을 정화하여 수중생물의 서식이 원활하도록 녹조방지 및 중금속 등의 오염물질을 흡착하여 징검다리 구조체의 주변을 환경친화적으로 형성하도록 한 수질정화용 징검다리 구조체를 제공하는데 그 목적이 있다.Therefore, the present invention was devised to solve the problems as described above, after inserting the water purification material into the filter network and inserted into the stepping bridge formed with a water hole on the side, the water introduced through the water hole passes through the water purification material. By purifying and flowing out, it is not only a simple bridge function but also water purification to prevent water algae and to adsorb contaminants such as heavy metals to facilitate the habitat of aquatic organisms. The purpose is to provide a bridge structure.
상기한 목적을 달성하기 위한 본 고안에 따른 수질정화용 징검다리 구조체는 유선형 단면형상으로 이루어지며, 하상에 설치되는 기단과; 상기 기단과 일체로 형성됨과 동시에 유선형 단면형상으로 이루어지며, 전후좌우로 물이 통수되도록 통수공이 형성되며, 상면으로부터 일정한 깊이로 다수개의 삽입공이 형성된 징검다리로 구성됨을 특징으로 한다.Water purification purification bridge structure according to the present invention for achieving the above object is made of a streamlined cross-sectional shape, and the base is installed on the bottom; It is formed integrally with the base and at the same time has a streamlined cross-sectional shape, the water through hole is formed so that water is passed to the front, rear, left and right, characterized in that composed of a stepping bridge formed with a plurality of insertion holes at a predetermined depth from the upper surface.
이하, 본 고안을 첨부한 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings of the present invention will be described in detail.
도 1은 본 고안에 따른 수질정화용 징검다리 구조체를 도시한 사시도이며, 도 2는 본 고안에 따른 수질정화용 징검다리 구조체를 도시한 정면도이며, 도 3은 본 고안에 따른 수질정화용 징검다리 구조체를 도시한 평면도이며, 도 4는 본 고안에 따른 수질정화용 징검다리 구조체를 도시한 측면도이며, 도 5는 도 4의 A부분을 확대 도시한 상세도이다.1 is a perspective view showing the water purification purification leg structure according to the present invention, Figure 2 is a front view showing the water purification purification leg structure according to the present invention, Figure 3 shows a water purification purification leg structure according to the present invention Figure 4 is a plan view, and Figure 4 is a side view showing the water purification purification leg structure according to the present invention, Figure 5 is a detailed view showing an enlarged portion A of FIG.
이들 도면에 도시된 바와 같이, 본 고안에 따른 수질정화용 징검다리 구조체는 유선형 단면형상으로 이루어지며, 하상에 설치되는 기단(10)과; 상기 기단(10)과 일체로 형성됨과 동시에 유선형 단면형상으로 이루어지며, 전후좌우로 물이 통수되도록 통수공(22)이 형성되며, 상면으로부터 일정한 깊이로 다수개의 삽입공(24)이 형성된 징검다리(20)로 구성된다.As shown in these figures, the water purification purification leg structure according to the present invention is made of a streamlined cross-sectional shape, the base end 10 is installed on the bottom; It is formed integrally with the base 10 and at the same time has a streamlined cross-sectional shape, the water through hole 22 is formed so that water is passed to the front, rear, left and right, and the stepping leg formed with a plurality of insertion holes 24 to a certain depth from the upper surface It consists of 20.
즉, 본 고안에 따른 수질정화용 징검다리 구조체는 기단(10)과 징검다리(20)가 유기적으로 결합되어 이루어진 구조이다.In other words, according to the present invention, the purification leg structure for water purification is a structure in which the base 10 and the gum leg 20 are organically combined.
여기서, 상기 기단(10)은 유수의 흐름을 저해하지 않기 위해 유선형 형상으로 이루어지되, 특히 물고기 형상으로 이루어진 구조로서, 하상에 근입하여 설치된다.Here, the base 10 is made of a streamlined shape in order not to impede the flow of running water, in particular, as a structure made of a fish, is installed in the bottom.
또한, 상기 징검다리(20)는 통수공(22)과 삽입공(24)이 형성된 구조로서, 상기 기단(10)과 일체로 형성되되, 기단(10)의 폭에 비해서 좁지만 높이는 크게 형성되고, 전후좌우에서 물이 통수되도록 통수공(22)이 다수 개 형성되며, 상면으로부터 일정한 직경 및 깊이를 갖도록 기단(10)의 상면까지 천공 형성시켜 삽입공(24)이 다수 개 형성되는 한편, 상기 통수공(22)과 삽입공(24)은 서로 관통되도록 형성된 구조이다.In addition, the stepping bridge 20 is a structure in which the water supply hole 22 and the insertion hole 24 are formed, which is integrally formed with the base end 10, but is narrower than the width of the base end 10, but has a high height. , A plurality of water holes 22 are formed to pass water from front to back, left and right, and a plurality of insertion holes 24 are formed by forming perforations from the top surface to the top surface of the base 10 so as to have a constant diameter and depth. Passing hole 22 and the insertion hole 24 is a structure formed to penetrate each other.
그리고 상기 징검다리(20)의 삽입공(24)에는 소정의 눈 크기를 가지며, 상부에 연결고리(32)가 형성된 필터망(30)이 삽입 설치되며, 상기 필터망(30)에는 그 내부에 수질정화재(40)가 삽입 설치되며, 상기 필터망(30)에는 그 상부에 손잡이(52)가 형성된 유출방지마개(50)가 고정 설치된 구조이다. In addition, the insertion hole 24 of the stepping leg 20 has a predetermined eye size, and a filter net 30 having a connection ring 32 formed therein is inserted and installed in the filter net 30. The water purifying material 40 is inserted and installed, and the filter net 30 has a structure in which a stopper plug 50 having a handle 52 formed thereon is fixedly installed.
여기서, 상기 수질정화재(40)는 짚, 가마니, 토탄, 숯, 목분, 솜, 옥수수 속대 중의 어느 하나로 이루어지는 유기흡착재와, 합성물질 폴리스틱 섬유(polyethylene, polypropylene)나 플라스틱 폼(polyurethane)으로 이루어지는 합성흡착재 및 점토입자, 질석, 규산염, 펄라이트 중의 어느 하나로 이루어지는 무기흡착재 및 기름흡착재중 어느 하나로 구성된다.Here, the water purification material 40 is composed of organic sorbents made of any one of straw, bale, peat, charcoal, wood flour, cotton, corn cob, and synthetic material made of polyethylene, polypropylene, or plastic foam (polyurethane). It is composed of any one of an inorganic adsorbent and an oil adsorbent composed of any one of an adsorbent and clay particles, vermiculite, silicate and pearlite.
즉, 상기한 수질정화재(40)는 일반적으로 숯을 주로 사용하나, 수질오염원에 따라 수질정화재(40)를 변경하여 특정물질을 흡착할 수 있도록 한다.That is, the water purification material 40 is generally used charcoal, but by changing the water purification material 40 according to the water pollution source to be able to adsorb a specific material.
여기서, 상기 숯은 나무 칩을 탄화로 내에서 700℃ 이상의 고온으로 가열하여 나무의 구성요소인 셀루로스, 리그닌 등의 성분을 열분해 배출시켜 생성된 탄화물로서 순수한 탄소성분으로, 고형탄소가 80∼90%로 나무의 세포벽에 그대로 탄화된 다공질의 물질이며, pH(산도)가 8∼9로 알칼리성이고 비중은 0.6∼9이며, 1g의 숯 내부 구멍의 표면적은 200∼400㎡(액 100평)으로 다공성 물질이다.Here, the charcoal is a carbon produced by thermally discharging constituents of cellulose, lignin, etc., constituents of wood, by heating wood chips at a high temperature of 700 ° C. or higher in a carbonization furnace, and having a pure carbon component. It is a porous material that is carbonized as it is in the cell wall of wood, pH (acidity) is 8-9, alkalinity, specific gravity is 0.6-9, and the surface area of 1 g of charcoal inner hole is 200-400㎡ (liquid 100 pyeong). It is a porous material.
또한, 투수성이 양호하여 물 빠짐, 보수성 및 통기성의 개선에 최적이며, 유용 미생물의 증식을 위한 서식처로서 최적이며, 6. 2∼3%의 다양한 미네랄(미량요소)이 함유되어 있으며, 통기성 및 보습성, 배수성이 우수하여 식물생장에 기여하며, 농약을 흡착, 분해하여 토양오염을 방지하는 기능이 있으며, 토양의 물리적 환경이나 미생물 상을 바뀌게 하여 비료효과를 높이고 뿌리의 활력을 높게 하여 토양병해를 억제하며, 전화기능이 우수하여 수질개선의 기능이 탁월한 특징이 있다.In addition, it has good water permeability and is optimal for water drainage, water retention and breathability, and is ideal as a habitat for propagation of useful microorganisms. 6. It contains various minerals (trace elements) of 2 to 3%, It contributes to plant growth with excellent moisturizing and drainage, and it has the function of adsorbing and decomposing pesticides to prevent soil pollution, and by changing the physical environment or microbial phase of soil, improving fertilizer effect and increasing root vitality In addition, it has excellent features for improving water quality due to its excellent telephone function.
특히, 상기한 숯의 다공성과 흡착성은 미생물에 최적의 번식처가 되며, 특히 유기물을 분해하는 방선균이 잘살아 물속의 오염된 성분이나 유해한 불순물을 흡착하여 미생물을 분해하여 정화함으로써 이상적인 수질정화재이다.In particular, the porosity and adsorptivity of the charcoal is an optimal breeding place for microorganisms, in particular, actinomycetes that decompose organic matters live well, so that it is an ideal water purifier by decomposing and purifying microorganisms by adsorbing contaminated components or harmful impurities in water.
한편, 흡착재는 친유성의 특성이 있으며, 물을 배척하는 성질을 가지고 가라앉지 않아야 하며, 짧은 시간 내에 기름을 흡수할 수 있어야 하고, 회수와 취급이 용이하여야 하며 충분한 강도를 가져야 하며, 곰팡이, 부패, 벌레, 동물의 공격으로부터 강해야 하며 비가연성, 미생물 분해에 대항 저항성, 무독성, 그리고 온도의 변화에 견딜 수 있는 성질이 있어야 한다.On the other hand, the adsorbent has lipophilic properties, should not sink with water rejection properties, should be able to absorb oil within a short time, be easy to collect and handle, have sufficient strength, mold and rot It must be resistant to attack from insects, insects and animals and must be non-flammable, resistant to microbial degradation, non-toxic and resistant to temperature changes.
상기한 흡착재는 재질에 따라 무기흡착재와 유기흡착재 및 합성흡착재로 나누어진다. The adsorbent is classified into an inorganic adsorbent, an organic adsorbent and a synthetic adsorbent according to the material.
먼저, 상기한 무기흡착재는 무기산물 질석(흑운모), 진주암(perlite), 발포 진주암, 화산회 등이 사용되며, 자체 무게의 4-8배까지 기름을 흡수할 있다.First, the inorganic adsorbent is used as inorganic product vermiculite (biotite), perlite (perlite), foamed perlite, volcanic ash and the like, and can absorb oil up to 4-8 times its own weight.
또한, 상기한 유기흡착재는 천연 유기물 짚, 가마니, 옥수수 속대, 토탄, 이끼, 톱밥 등이 사용되며, 이들은 기름뿐만 아니라 물까지도 흡수하므로 결국에는 물속으로 가라앉게 되나, 자체 무게의 3-6배까지 기름을 회수할 수 있다.In addition, the organic adsorbent is used natural straw, bale, corn cob, peat, moss, sawdust and the like, and they absorb not only oil but also water, eventually sinking in water, but up to 3-6 times its own weight. Oil can be recovered.
그리고 합성흡착재는 합성물질 폴리스틱 섬유(polyethylene, polypropylene)나 플라스틱 폼(polyurethane)을 많이 사용하며 가장 효과적으로 사용할 수 있으며, 자체 무게의 20-25배까지 기름을 흡수할 수 있다.Synthetic adsorbents are made of synthetic plastic fibers (polyethylene, polypropylene) or plastic foam (polyurethane) and can be used most effectively, absorbing oil up to 20-25 times their own weight.
한편, 기름흡착제는 주로 파라핀계 탄화수소용재로 구성되고, 이것은 기름을 미립자화하여 유화분산시켜 해수와 섞이기 쉬운 형태를 만들어 박테리아에 의한 미생물분해, 일조에 의한 증발 산화작용 등에 따라 기름이 소멸되는 자연 정화작용을 촉진한다. On the other hand, the oil adsorbent is mainly composed of a paraffinic hydrocarbon solvent, which makes the oil granulate and emulsify and disperse, making it easy to mix with seawater, and the oil disappears due to microbial decomposition by bacteria and evaporative oxidation by sunlight. Promote purification.
상기한 바와 같은 구성으로 이루어진 본 고안에 따른 수질정화용 징검다리 구조체는 수질정화재(40)를 필터망(30)에 삽입한 후, 징검다리(20)의 삽입공(24)에 삽입한 후, 유출방지마개(50)로 막은 후, 징검다리 구조체(S)를 하상의 적절한 위치에 다수 개를 설치하면, 징검다리(20)의 측면에 형성된 통수공(22)을 통해 물이 유입 및 유출되면서 필터망(30)내에 있는 수질정화재(40)를 통과함으로써, 하천의 수질을 정화하여 수중생물의 서식이 원활하게 하고, 녹조방지 및 중금속 등의 오염물질을 흡착하여, 하천의 수질정화 및 환경친화적인 생태계를 조성하는 작용효과가 있다.The water purification purification leg structure according to the present invention having the configuration as described above is inserted into the water purifying material 40 into the filter net 30, and then inserted into the insertion hole 24 of the purification leg 20, outflow After blocking with a stopper 50, if a number of dog leg structure (S) is installed in an appropriate position of the lower bed, water flows in and out through the water through hole 22 formed on the side of the dog leg 20 filter By passing through the water purification material 40 in the network 30, the water quality of the stream is purified to facilitate the habitation of aquatic organisms, to prevent green algae and to adsorb contaminants such as heavy metals, thereby purifying the water quality and environment-friendly. It has the effect of creating an ecosystem.
이상에서 설명한 바와 같이, 본 고안에 따른 수질정화용 징검다리 구조체는 수질정화재를 필터망에 삽입 후 측면에 통수공이 형성된 징검다리 내부에 삽입하여 통수공을 통해 유입된 물이 수질정화재를 통과하면서 정화되어 유출되도록 형성함으로써, 단순한 다리기능뿐만 아니라 수질을 정화하여 수중생물의 서식이 원활하도록 녹조방지 및 중금속 등의 오염물질을 흡착하여 징검다리의 주변을 환경친화적으로 형성하는 이점이 있다.As described above, the water purification purification bridge structure according to the present invention is inserted into the water purification hole formed on the side after the water purification material is inserted into the filter network, and the water introduced through the water passage is purified while passing through the water purification material. By forming the outflow, there is an advantage of forming environmentally friendly surroundings of the stepping bridge by adsorbing contaminants such as green algae and heavy metals to facilitate the habitation of aquatic organisms by purifying water quality as well as simple leg functions.
도 1은 본 고안에 따른 수질정화용 징검다리 구조체를 도시한 사시도,1 is a perspective view showing the stepping structure for water purification according to the present invention,
도 2는 본 고안에 따른 수질정화용 징검다리 구조체를 도시한 정면도,Figure 2 is a front view showing the stepping leg structure for water purification according to the present invention,
도 3은 본 고안에 따른 수질정화용 징검다리 구조체를 도시한 평면도,3 is a plan view showing the stepping structure for water purification according to the present invention,
도 4는 본 고안에 따른 수질정화용 징검다리 구조체를 도시한 측면도,Figure 4 is a side view showing the stepping leg structure for water purification according to the present invention,
도 5는 도 4의 A부분을 확대 도시한 상세도,5 is an enlarged detailed view of a portion A of FIG. 4;
도 6은 본 고안에 따른 수질정화용 징검다리 구조체가 하천에 설치된 상태를 도시한 사시도,Figure 6 is a perspective view showing a state in which the stepping structure for water purification according to the present invention is installed in the river,
도 7은 본 고안에 따른 수질정화용 징검다리 구조체가 하천에 설치된 상태를 도시한 측면도.Figure 7 is a side view showing a state in which the stepping structure for water purification according to the present invention is installed in the river.
-도면의 주요부분에 대한 부호의 설명-Explanation of symbols on the main parts of the drawing
10 : 기단 20 : 징검다리10: podium 20: stepping stone
22 : 통수공 24 : 삽입공22: water hole 24: insertion hole
30 : 필터망 32 : 연결고리30: filter network 32: connection ring
40 : 수질정화재 50 : 유출방지마개40: water purification material 50: spill prevention stopper
52 : 손잡이 S : 징검다리 구조체 52: handle S: step leg structure
Claims (6)
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| KR20-2005-0019912U KR200398039Y1 (en) | 2005-07-08 | 2005-07-08 | Stepping stone structure for water quality purification |
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| KR20-2005-0019912U KR200398039Y1 (en) | 2005-07-08 | 2005-07-08 | Stepping stone structure for water quality purification |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101147468B1 (en) | 2010-04-12 | 2012-05-21 | (주)리버앤텍 | Fabricated stepping-stones |
| KR101705223B1 (en) * | 2015-12-18 | 2017-02-22 | 인천대학교 산학협력단 | Device to remove odors using the chips made from corn cob |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101147468B1 (en) | 2010-04-12 | 2012-05-21 | (주)리버앤텍 | Fabricated stepping-stones |
| KR101705223B1 (en) * | 2015-12-18 | 2017-02-22 | 인천대학교 산학협력단 | Device to remove odors using the chips made from corn cob |
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