KR20030089812A - Path structure of dirty and waste water treatment device - Google Patents

Path structure of dirty and waste water treatment device Download PDF

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Publication number
KR20030089812A
KR20030089812A KR1020020027685A KR20020027685A KR20030089812A KR 20030089812 A KR20030089812 A KR 20030089812A KR 1020020027685 A KR1020020027685 A KR 1020020027685A KR 20020027685 A KR20020027685 A KR 20020027685A KR 20030089812 A KR20030089812 A KR 20030089812A
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South Korea
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flow path
wastewater
waste water
treatment apparatus
path structure
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KR1020020027685A
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Korean (ko)
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KR100465766B1 (en
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병 조 최
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병 조 최
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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
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/101—Arranged-type packing, e.g. stacks, arrays
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/109—Characterized by the shape
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

PURPOSE: Provided is a passage structure of a wastewater treatment system, the passage structure having increased specific surface area and being easily manufactured. CONSTITUTION: The passage structure comprises a flat panel, and a plurality of sectioning plates(11) installed on the flat panel in parallel with each other, wherein a first group of sectioning plates(11) extends to come into contact with a first side edge of the flat panel and does not reach to a second side edge which is the opposite to the first side edge, and a second group of sectioning plates(11) extends to come into contact with the second side edge of the panel and does not reach to the first side edge, and wherein the first and second plates are alternatively arranged so as to provide a zigzagged passage structure(12) and wherein the flat panel has a plurality of protrusions(15) on the surface thereof for causing turbulence of wastewater.

Description

오,폐수처리장치의 유로구조{PATH STRUCTURE OF DIRTY AND WASTE WATER TREATMENT DEVICE}PATH STRUCTURE OF DIRTY AND WASTE WATER TREATMENT DEVICE}

본 발명은 오,폐수처리장치의 유로구조에 관한 것으로, 더욱 상세하게는 평판상에 지그재그로 유로를 형성시킨 유로부재를 복수개 적층하여 제작이 간단할 뿐만 아니라 비표면적을 확대시키도록 하는 오,폐수처리장치의 유로구조에 관한 것이다.The present invention relates to a flow path structure of a wastewater treatment apparatus, and more particularly, to stack a plurality of flow path members formed by zigzag flow paths on a flat plate, which is simple to manufacture and expands a specific surface area. The flow path structure of a processing apparatus is related.

일반적으로 미생물을 이용하여 오수 및 오,폐수에 존재하는 유기성 오염물질을 제거하기 위한 생물학적 처리에는 활성슬러지법과, 생물막처리법이 있다.In general, biological treatments for removing organic contaminants present in sewage and wastewater using microorganisms include activated sludge and biofilm treatment.

상기 생물막 처리법은 미생물의 부착생장을 이용하여 고정상이나 유동상의 매질에 부착된 미생물에 의한 유기물 분해가 일어나도록 하고, 이로 인한 세포의 생장으로 점액질의 생물막이 매질 표면에 형성되며, 이 생물막에 오염된 물을 접촉시켜 정화하는 것으로, 살수여상법, 회전원판법, 접촉산화법 등이 있다.In the biofilm treatment method, microorganisms are adhered to a fixed or fluidized medium by using microbial adhesion growth, and as a result of the growth of cells, a biofilm of mucus is formed on the surface of the medium, and the biofilm is contaminated. Purification by contacting with water includes a water spray filtering method, a rotating disk method, a catalytic oxidation method, and the like.

이중에서 본 발명은 접촉산화법에 해당하는 것이고, 이의 종래기술의 다양한 형태가 알려져 있으나 가장 최근의 기술로는 본 출원인의 선출원중인 특허 2002-2990호에서 찾아 볼수 있다.Among them, the present invention corresponds to a catalytic oxidation method, and various forms of the related art are known, but the most recent technology can be found in the applicant's prior patent application 2002-2990.

도 1은 종래의 오,폐수처리장치의 일예를 나타낸 도면이다.1 is a view showing an example of a conventional wastewater treatment apparatus.

도시한 바와 같이 평판(1a)을 지그재그로 절곡하고, 이를 복수개 적층시키며, 상기 평판(1a)과 평판(1a) 사이에 오,폐수가 통과하는 유로(1b)를 중력방향으로 형성시킨 제1여재부(1) 및 제2여재부(2)와, 상기 제1여재부(1) 및 제2여재부(2)의 사이에 위치하며, 상기 제1여재부(1) 방향으로 전면 포기하는 포기부(3)로 구성된 것이다.As shown in FIG. 1, the first media is formed by bending the flat plate 1a in a zigzag manner, stacking a plurality of the flat plate 1a, and forming a flow path 1b through which wastewater and waste water pass between the flat plate 1a and the flat plate 1a in the direction of gravity. Located between the first and second filter parts (2) and the first filter part (1) and the second filter part (2), giving up in the first direction toward the first filter part (1) It consists of part (3).

이중에서 제1여재부(1)와 제2여재부(2)는 동일한 구조이며, 이는 도 2에서 도시한 바와 같이 평판(1a)을 지그재그로 절곡하고, 상기 평판(1a)의 길이방향 양단부에는 차단부재()가 형성되고 유로(1b)상에는 유로(1b)의 차단을 방지하는 복수개의 간격유지부재()가 설치되어져 있다.Among them, the first filter portion 1 and the second filter portion 2 have the same structure, and as shown in FIG. 2, the flat plate 1a is bent in a zigzag manner, and both ends of the flat plate 1a in the longitudinal direction are formed. A blocking member is formed and a plurality of gap holding members are provided on the flow path 1b to prevent the blocking of the flow path 1b.

이와 같이 구성된 오,폐수처리장치는 제1여재부(1) 또는 제2여재부(2)를 통과하는 오,폐수처리장치는 고정상이면서도 평판(1a)의 여재를 지그재그로 절곡하여 비표면적을 확장시킴으로서, 유로의 폐색이 없게 되어 운전이 용이하고, 역세가 필요없다.The sewage and wastewater treatment device configured as described above is a sewage and wastewater treatment device passing through the first filter part 1 or the second filter part 2, while being a fixed phase, by bending the filter material of the flat plate 1a in a zigzag to expand the specific surface area. By doing so, there is no blockage of the flow path and driving is easy, and no backwashing is necessary.

또한, 제1,2여재부(1)(2)의 중앙에 포기부(3)를 형성시켜 상부의 제1여재부(1)에 형성된 복수의 유로(1b)상에서 공기의 수중체류시간을 길게 함으로서, 산소이용율이 높게 되고, 제2여재부(2)에서 순차적으로 질화 및 탈질을 일으켜 오,폐수내의 유기물뿐만 아니라 질소도 제거하게 되는 장점이 있다.In addition, the aeration part 3 is formed in the center of the first and second filter parts 1 and 2 to prolong the underwater residence time of air on the plurality of flow paths 1b formed in the upper first filter part 1. By doing so, the oxygen utilization rate becomes high, and the second filter part 2 sequentially causes nitriding and denitrification to remove nitrogen as well as organic matter in the wastewater.

그러나, 상기의 제1,2여재부(1)(2)를 구성하는 각각의 평판(1a)을 제조하는데 제조상의 문제점이 있다.However, there is a manufacturing problem in manufacturing the respective flat plates 1a constituting the first and second filter portions 1 and 2 described above.

즉, 지그재그로 절곡된 박판의 평판(1a)을 사출금형 등으로 성형하기 위해서는 금형이 대형화되어야 하며, 또한, 금형의 대형화를 피하기 위해서는 조각의 평판(1a)을 사출한 후 이를 접착하여 지그재그의 유로(1b)면을 형성하여야 되는데 이때 제조가 복잡하고, 제조비용도 상승되는 문제점이 있다.That is, in order to mold the flat plate 1a of the thin plate bent by zigzag into an injection mold or the like, the mold must be enlarged. In addition, in order to avoid the enlargement of the mold, the mold is injected and then bonded to the zigzag flow path. (1b) the surface should be formed at this time, the manufacturing is complicated, there is a problem that the manufacturing cost is also increased.

본 발명은 이러한 종래의 문제점을 해결하기 위하여 이루어진 것으로, 그 목적은 비표면적이 확장됨과 아울러 제조가 용이하도록 평판의 앞뒤에에 지그재그의 유로를 성형한 유로부재를 적층시켜 밀폐된 오,폐수처리장치의 유로구조를 제공함에 있다.SUMMARY OF THE INVENTION The present invention has been made to solve such a conventional problem, and an object thereof is to seal a sewage and wastewater treatment apparatus by stacking a flow path member formed with a zigzag flow path on the front and rear of a flat plate so that the specific surface area is expanded and manufacturing is easy. To provide a flow path structure.

도 1은 종래에 따른 오,폐수처리장치를 도시한 사시도.1 is a perspective view showing a wastewater treatment apparatus according to the prior art.

도 2는 종래에 따른 오,폐수처리장치의 평판을 도시한 사시도.Figure 2 is a perspective view showing a flat plate of the wastewater treatment apparatus according to the prior art.

도 3은 본 발명에 따른 오,폐수처리장치의 정면도.Figure 3 is a front view of the waste water treatment apparatus according to the present invention.

도 4는 본 발명에 따른 오,폐수처리장치의 평면도.4 is a plan view of a waste water treatment apparatus according to the present invention.

도 5는 본 발명에 따른 오,폐수처리장치의 유로부재을 도시한 사시도.Figure 5 is a perspective view showing a flow path member of the waste water treatment apparatus according to the present invention.

도 6은 도 4의 A - A선 단면도.FIG. 6 is a cross-sectional view taken along the line AA of FIG. 4. FIG.

도 7은 본 발명에 따른 오,폐수처리장치의 다른실시예를 나타낸 정면도.7 is a front view showing another embodiment of the waste water treatment apparatus according to the present invention.

(도면중 주요 부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

10: 유로부재11: 격벽10: flow path member 11: partition wall

12: 유로13: 유입구12: Euro 13: inlet

14: 유출구15: 오,폐수 와류용 돌기14: outlet 15: wastewater vortex projection

16: 공기 와류용 돌기17: 결합공16: air vortex projection 17: coupling hole

18: 볼트19: 오링홈18: Bolt 19: O-Ring Groove

이러한 목적을 달성하기 위한 본 발명은 판상에 복수개의 격벽을 형성하되, 상기 격벽의 일측은 개방시키고, 타측은 폐쇄시키며, 상기 격벽사이로 오,폐수가 통과하도록 격벽을 지그재그로 배치하여 단일 유로를 형성시킨 유로부재를 복수개 적층시켜 밀폐된 유로가 연속적으로 형성된 것이다.In order to achieve the above object, the present invention forms a plurality of partitions on a plate, one side of the partition is opened, the other side is closed, and the partitions are arranged in a zigzag manner so that the waste water passes between the partitions to form a single flow path. A plurality of passage members are stacked to form a hermetically sealed passage.

또한, 상기 유로부재의 유로상에 복수개의 오,폐수 와류용 돌기를 더 포함하는 것이다.In addition, the flow path member of the flow path member further comprises a plurality of wastewater vortex projections.

또한, 상기 유로부재의 유로상에 대응하는 반대면에 복수개의 공기 와류용 돌기를 더 포함하는 것이다.The apparatus further includes a plurality of air vortex protrusions on opposite surfaces corresponding to the flow path of the flow path member.

또한, 상기 유로부재를 상하로 경사지도록 배치하여 유입된 오,폐수가 경사진 유로를 따라 상하로 유동되도록 하는 것이다.In addition, the flow path member is disposed to be inclined up and down so that the introduced waste water flows up and down along the inclined flow path.

또한, 상기 유로부재를 수평으로 배치시키도록 하는 것이다.In addition, the flow path member is to be arranged horizontally.

이하 본 발명의 바람직한 실시예를 첨부된 도면에 의거하여 상세하게 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명의 오,폐수처리장치를 나타낸 도면이다.3 is a view showing a waste water treatment apparatus of the present invention.

도시한 바와 같이 오,폐수처리장치(100)는 유로부재(10)를 복수개 적층시킨 것으로, 일정한 경사면을 유지하여 오,폐수가 상하로 유동하면서 지그재그로 유동되도록 한다.As shown, the wastewater treatment apparatus 100 is a stack of a plurality of flow path members 10, and maintains a constant inclined surface so that the wastewater flows in a zigzag while flowing up and down.

상기 유로부재(10)는 판상에 복수개의 격벽(11)을 형성하되, 상기 격벽(11)의 일측은 개방시키고, 타측은 폐쇄시키며, 상기 격벽(11)사이로 오,폐수가 통과하도록 격벽(11)을 지그재그로 배치하여 단일 유로(12)를 형성시킨다. 그리고, 도면상 부호 13은 오,폐수의 유입구를 나타내고, 부호 14는 오,폐수의 유출구를 나타낸다.The flow path member 10 forms a plurality of partitions 11 on a plate, one side of the partition 11 is opened, the other side is closed, partition wall 11 so that the waste water passes between the partition wall (11). ) Are zigzag to form a single flow path 12. In the drawing, reference numeral 13 denotes an inlet for wastewater and wastewater, and reference numeral 14 denotes an outlet of wastewater and wastewater.

또한, 상기 유로부재(10)의 격벽(11)사이 즉, 유로(12)상에는 복수개의 오,폐수 와류용 돌기(15)를 형성시키고, 상기 유로(12)상에 대응하는 반대면(도면상 하측)에 복수개의 공기 와류용 돌기(16)가 형성되어 있다.In addition, a plurality of wastewater and vortex vortex protrusions 15 are formed between the partition walls 11 of the flow path member 10, that is, on the flow path 12, and on the opposite side corresponding to the flow path 12 (as illustrated). A plurality of air vortex protrusions 16 are formed in the lower side.

즉, 유로부재(10)가 적층되어 형성된 유로(12)의 하면에는 오,폐수 와류용 돌기(15)가 형성되고, 상면에는 공기 와류용 돌기(16)가 형성되어 이들 돌기(15)(16)들에 의해서 비표면적이 확대되고, 난류계수가 높으며, 산소체류시간이 길어 용존산소량을 증가시키도록 하는 것이다.That is, the wastewater vortex vortex 15 is formed on the lower surface of the flow path 12 formed by stacking the flow path member 10, and the air vortex protrusion 16 is formed on the upper surface of the flow path 12. ), The specific surface area is increased, the turbulence coefficient is high, and the oxygen residence time is long to increase the dissolved oxygen amount.

한편, 도면 부호 17은 유로부재(10)의 양측에 형성된 결합공을 나타내고 있고, 부호 18은 이들 결합공에 체결되어 지는 볼트를 나타내고 있으며, 부호 19는 유로부재(10)와 유로부재(10) 사이의 누수를 방지하는 오링이 삽입되는 오링홈을 나타내고 있다.On the other hand, reference numeral 17 denotes coupling holes formed on both sides of the flow path member 10, reference numeral 18 denotes bolts fastened to these coupling holes, and reference numeral 19 denotes the flow path member 10 and the flow path member 10. An O-ring groove is inserted in which an O-ring is inserted to prevent leakage therebetween.

또한, 본 발명의 유로부재(10)는 프라스틱금형을 이용하여 성형하는 것이 바람직하다.In addition, the flow path member 10 of the present invention is preferably molded using a plastic mold.

도 7은 본 고안의 다른 실시예로서, 이는 유로부재(10)를 수평상태로 배치할수 있다는 것을 보여주기 위한 도면이며, 유로(12)의 구조 등은 동일함으로 상세한 설명은 생략한다.Figure 7 is another embodiment of the present invention, which is a view for showing that the flow path member 10 can be arranged in a horizontal state, the structure and the like of the flow path 12, the detailed description thereof will be omitted.

이와 같이 구성된 본 발명의 오,폐수처리장치는 도면에는 도시하지 않았지만 산소를 제공하는 산기관이 오,폐수 유입측에 설치되어 있고, 유입측 및 유출측에는 오,폐수가 저장되어진 수조가 형성되어 있어 유입측 수조에서 유출측 수조로 오,폐수가 유동되면서 산기관에서 공급되는 공기에 의해 오,폐수 내부에 산소를 포기하도록 하는 것이다.Although the wastewater treatment apparatus of the present invention configured as described above is not shown in the drawing, an oxygen pipe providing oxygen is installed at the inlet and the wastewater inlet, and the inlet and outlet are formed with a water tank in which the wastewater is stored. As the wastewater flows from the inflow tank to the outflow tank, oxygen is given up inside the wastewater by the air supplied from the diffuser.

유입측 수조에서 유입된 오,폐수는 유로(12)내에 부착생장된 미생물에 의해 오,폐수 내에 함유된 유기물 등이 제거되도록 지그재그로 유동하면서 체류시간을 연장하게 된다.The wastewater introduced from the inflow side tank is extended in the zigzag to remove the organic matters contained in the wastewater by the microorganisms attached and grown in the flow passage 12 to extend the residence time.

이는 각각의 유로부재(10)의 유입구(13)로 유입되어 격벽(11)사이에 형성된 유로(12)를 유동되는 것으로서 유입구(13)로 유입된 오,폐수는 일측에서 타측으로 하향경사면을 따라 이동되게 되며, 하향경사면의 최하단부에서 유턴되어 상항경사면을 따라 상측으로 유동되게 되는데 이 과정이 연속되어 이루어 진다.This flows into the inlet 13 of each flow path member 10 and flows through the flow path 12 formed between the partition walls 11, and the wastewater introduced into the inlet 13 follows a downward slope from one side to the other side. It is moved, and the U-turn at the lower end of the downward slope is to flow upward along the upward slope, this process is made continuously.

상기에서 오,폐수가 상하로 유동되는 것은 유입측 수조와 출구측 수조의 수두차이와 산기관에서 공급되는 공기의 압력에 의해 가능한 것으로 유로(12)상의 상하면에 각각 형성된 공기 와류용 돌기(16)와 오,폐수 와류용 돌기(15)에 의해 오,폐수가 난류로 흐르면서 오,폐수에 공기가 포기되어 용존산소량을 증가시키도록 한다.In the above, the flow of the waste water up and down is possible by the difference in the heads of the inflow and outflow tanks and the pressure of the air supplied from the diffuser, and the air vortex projections 16 formed on the upper and lower surfaces of the flow path 12 respectively. Wow, wastewater vortex protrusion (15) flows into the turbulent wastewater, the wastewater to abandon air to the wastewater, to increase the amount of dissolved oxygen.

이와 같이 본 발명의 유로부재(10)에 의해 형성된 오,폐수처리장치는 적어도하나 이상 설치하여 오,폐수를 유동시킴으로서 오,폐수 내의 유기성 오염물질 및 탈질과정 등을 수행하게 되는 것이다.As described above, at least one or more wastewater treatment apparatus formed by the flow path member 10 of the present invention is installed to perform organic pollutants and denitrification processes in the wastewater by flowing the wastewater.

이상 상세히 설명한 바와 같은 본 발명의 오,폐수처리장치의 유로부재는 사출금형으로 일회사출이 가능하여 대량생산이 가능함으로 생산성이 향상되고, 동일한 유로부재를 복수개 적층하도록 하여 제조성이 향상된다.As described in detail above, the flow path member of the waste water treatment apparatus of the present invention can be ejected into a single injection mold and thus can be mass-produced to improve productivity, and to improve the manufacturability by stacking a plurality of the same flow path members.

또한, 유로부재의 상면에 지그재그의 유로를 형성하여 오,폐수를 유동시킴으로서, 공기의 수중체류시간을 할 수 있으며, 오,폐수내의 유기물뿐만 아니라 질소도 제거할 수 있는 것이다.In addition, by forming a zigzag flow path on the upper surface of the flow path member to allow the wastewater to flow, the underwater residence time of the air can be maintained, and the organic matter in the wastewater can be removed as well as nitrogen.

또한, 유로부재의 상하면에 오,폐수 와류용 돌기와 공기 와류용 돌기를 각각 형성하여 오,폐수의 난류를 촉진함으로서, 오,폐수의 용존산소량을 증가시킬 수 있다.In addition, by forming the wastewater vortex vortex and the air vortex protrusion on the upper and lower surfaces of the flow path member, respectively, to promote turbulence of the wastewater, the dissolved oxygen content of the wastewater can be increased.

Claims (5)

판상에 복수개의 격벽(11)을 형성하되, 상기 격벽(11)의 일측은 개방시키고, 타측은 폐쇄시키며, 상기 격벽(11)사이로 오,폐수가 통과하도록 격벽(11)을 지그재그로 배치하여 단일 유로(12)를 형성시킨 유로부재(10)를 복수개 적층시켜 밀폐된 유로(12)가 연속적으로 형성된 것을 특징으로 하는 오,폐수처리장치의 유로구조.Form a plurality of partitions 11 on the plate, one side of the partition 11 is open, the other side is closed, the partition 11 is arranged in a zigzag to pass the waste water between the partition 11, a single A flow path structure of a wastewater treatment apparatus, characterized in that a plurality of flow path members (10) forming the flow path (12) are stacked to form a closed flow path (12). 제1항에 있어서, 상기 유로부재(10)의 유로(12)상에 복수개의 오,폐수 와류용 돌기(15)를 더 포함하는 것을 특징으로 하는 오,폐수처리장치의 유로구조.The flow path structure of the wastewater treatment apparatus according to claim 1, further comprising a plurality of wastewater vortex protrusions (15) on the flow passage (12) of the flow passage member (10). 제1항 또는 제2항에 있어서,The method according to claim 1 or 2, 상기 유로부재(10)의 유로(12)상에 대응하는 반대면에 복수개의 공기 와류용 돌기(16)를 더 포함하는 것을 특징으로 하는 오,폐수처리장치의 유로구조.The flow path structure of the wastewater treatment apparatus, characterized in that it further comprises a plurality of air vortex projection (16) on the opposite surface corresponding to the flow path (12) of the flow path member (10). 제3항에 있어서, 상기 유로부재(10)를 상하로 경사지도록 배치하여 유입된 오,폐수가 경사진 유로(12)를 따라 상하로 유동되도록 하는 것을 특징으로 하는 오,폐수처리장치의 유로구조.According to claim 3, The flow path structure of the waste water treatment apparatus, characterized in that the flow path member 10 is arranged to be inclined up and down so that the introduced waste water flows up and down along the inclined flow passage 12. . 제3항에 있어서, 상기 유로부재(10)를 수평으로 배치시키도록 하는 것을 특징으로 하는 오,폐수처리장치의 유로구조.4. The flow path structure of the wastewater treatment apparatus according to claim 3, wherein the flow path member is arranged horizontally.
KR10-2002-0027685A 2002-05-20 2002-05-20 Path structure of dirty and waste water treatment device KR100465766B1 (en)

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WO2013042905A2 (en) * 2010-09-17 2013-03-28 Lee Jong Wha Apparatus for evaporating and condensing wastewater and system for evaporating and condensing wastewater
WO2013042905A3 (en) * 2010-09-17 2013-05-23 Lee Jong Wha Apparatus for evaporating and condensing wastewater and system for evaporating and condensing wastewater
CN103827041A (en) * 2010-09-17 2014-05-28 李种华 Apparatus for evaporating and condensing wastewater and system for evaporating and condensing wastewater

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