KR20100093868A - Leachate circulation system of the scrapped material landfill site - Google Patents

Leachate circulation system of the scrapped material landfill site Download PDF

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KR20100093868A
KR20100093868A KR1020090012989A KR20090012989A KR20100093868A KR 20100093868 A KR20100093868 A KR 20100093868A KR 1020090012989 A KR1020090012989 A KR 1020090012989A KR 20090012989 A KR20090012989 A KR 20090012989A KR 20100093868 A KR20100093868 A KR 20100093868A
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leachate
pressure
discharge pipe
pressure tank
pipe
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KR1020090012989A
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Korean (ko)
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KR101067401B1 (en
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조소희
김영규
성백주
최종식
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주식회사 선진엔지니어링 종합건축사 사무소
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B1/00—Dumping solid waste
    • B09B1/008—Subterranean disposal, e.g. in boreholes or subsurface fractures
    • 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
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/18—Making embankments, e.g. dikes, dams
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/03—Pressure
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

PURPOSE: A leachate is recirculated. In that way the analysis of waste can be expedited. The stabilization can be accomplished early of the waste landfill. And the landfill gas. Provided is the pressure type leachate recirculation system of the waste landfill. CONSTITUTION: The pressure type leachate recirculation system of the waste landfill. With the leachate water tank(10). With the leachate collector(CP) buried to the reclaimed place. With the leachate transfer line and connected to the leachate collector to the leachate water tank. With the pressure tank(30) connected the pumpin line(PL) to intermediation to the leachate water tank. With the pump(20) which is installed in the pumpin line, and is transferred by force the leachate of the leachate water tank to the pressure tank.

Description

폐기물 매립장의 압력형 침출수 순환시스템{Leachate circulation system of the scrapped material landfill site}Leachate circulation system of the scrapped material landfill site

본 발명은 폐기물 매립장의 압력형 침출수 순환시스템에 관한 것으로, 폐기물에서 발생되는 침출수를 이용하여 매립폐기물의 분해가 촉진되도록 하는 폐기물 매립장의 압력형 침출수 순환시스템에 관한 것이다.The present invention relates to a pressure type leachate circulation system of a waste landfill, and to a pressure type leachate circulation system of a waste landfill to promote decomposition of landfill waste using leachate generated from the waste.

주지된 바와 같이, 폐기물 매립장에는 폐기물이 적층된다. 이때, 일정높이로 적층된 폐기물의 상부에는 흙 또는 이와 유사한 차폐물(이하 복토라고 한다)로 덮혀진다. 이때, 폐기물 적층과정과 복토과정이 반복되면서 폐기물 매립장에 폐기물이 매설된다. As is well known, waste is deposited in a landfill. At this time, the top of the waste stacked to a certain height is covered with soil or similar shielding (hereinafter referred to as cover). At this time, the waste lamination process and the covering process is repeated, the waste is buried in the landfill.

한편, 상기와 같이 매립된 폐기물은 시간이 흐르면서 자연분해되고, 이러한 과정에서 침출수가 생성된다.On the other hand, the landfilled waste is decomposed over time, and in this process, leachate is generated.

이때, 상기 침출수는 별도의 침출수 처리시설로 이송되며, 이송된 침출수는 침출수 처리시설에 의해 정화되어, 매립장 외부의 하천으로 배출된다. At this time, the leachate is transferred to a separate leachate treatment facility, the leachate is transferred to the leachate treatment facility is purified by the leachate treatment facility, and discharged to the river outside the landfill.

하지만, 상기와 같은 폐기물 처리방법은 폐기물을 자연분해 시키는 데 있어, 장시간의 시간이 걸리며, 침출수의 정화처리가 완전하게 이루어지지 않을 시 하천 으로 유입된 침출수에 의해 하천이 오염되는 일이 발생하였다.However, the waste treatment method as described above takes a long time to naturally decompose the waste, and when the leachate is not completely purified, the stream is contaminated by the leachate introduced into the stream.

상기와 같은 문제점을 해결하기 위해, 침출수를 재활용하는 시스템이 발명되었다.In order to solve the above problems, a system for recycling leachate has been invented.

이러한 폐기물 매립장의 압력형 침출수 순환시스템는, 매립장 상부에 설치된 침출수 저수조가 설치되고, 최상부의 복토에 침출수배출관이 매설되어, 침출수저수조로부터의 침출수가 침출수배출관을 통해 복토로 유입된다.In this type of waste landfill, the leachate water circulation system is provided with a leachate reservoir installed at an upper portion of the landfill, and a leachate discharge pipe is buried in the top cover, and leachate from the leachate reservoir flows into the cover through the leachate discharge pipe.

하지만, 상기와 같은 폐기물 매립장의 압력형 침출수 순환시스템는, 침출수배출관으로 침출수가 공급되는 과정이 자연유하에 의해 이루어지므로, 침출수가 매립장의 상하 좌우 모든 부분까지 스며들지 못하였다.However, in the pressure type leachate circulation system of the waste landfill as described above, since the leachate is supplied to the leachate discharge pipe by natural flow, the leachate did not penetrate to all the upper, lower, left and right portions of the landfill.

또한, 상기 침출수배출관은 매립장의 최종 복토에만 설치되기 때문에, 반복적으로 적층된 폐기물에 침출수를 공급할 수 없어, 매립장의 모든 부분에 침출수를 공급하기 어려웠다.In addition, since the leachate discharge pipe is installed only in the final cover of the landfill, the leachate cannot be supplied to the repeatedly stacked waste, and it is difficult to supply leachate to all parts of the landfill.

따라서, 폐기물의 분해촉진이 용이하게 이루어지지 않았으며, 이로 인해 폐기물 매립장을 조기에 안정화 할 수 없었다.Therefore, it was not easy to promote the decomposition of the waste, which could not stabilize the landfill early.

본 발명은 상기와 같은 문제를 해결하기 위해 발명된 것으로, 폐기물의 모든 부분에 침출수를 안정적으로 공급할 수 있음은 물론, 매립장 지반을 조기에 안정화시킬 수 있는 폐기물 매립장의 압력형 침출수 순환시스템를 제공하는 것을 해결하고자 하는 과제로 한다.The present invention has been invented to solve the above problems, to provide a leachate effluent circulation system of the waste landfill can not only stably supply the leachate to all parts of the waste, but also to stabilize the landfill ground early The task to be solved.

상기와 같은 과제를 해결하기 위한 본 발명은, 침출수를 담는 침출수저수조와; 매립장에 매립되어 침출수를 집수하는 침출수집수관과; 일단이 침출수집수관과 연결되고 타단이 침출수저수조와 연결되는 침출수이송라인과; 펌핑라인을 매개로 침출수저수조와 연결되는 압력탱크와; 펌핑라인에 설치되어, 침출수저수조의 침출수를 압력탱크로 강제이송하는 펌프와; 펌프와 압력탱크 사이의 펌핑라인에 설치되어, 압력탱크로부터 침출수저수조로의 역류를 방지하는 체크밸브와; 압력탱크에 설치되어, 압력탱크의 내압을 측정하는 제1압력센서와; 외면에 다수의 노즐이 형성된 주입관을 갖추고서, 공급라인을 매개로 압력탱크와 연결되어, 폐기물에 매립되는 침출수배출관과; 공급라인 또는 침출수배출관에 설치되어, 공급라인 또는 침출수배출관의 내압을 측정하는 제2압력센서와; 공급라인 또는 침출수배출관에 설치되어, 압력탱크로부터 침출수배출관으로 공급되는 침출수량을 제어하는 제어밸브와; 제1압력센서로부터 압력측정신호를 입력받아 압력탱크가 일정압력으로 유지되도록 펌 프를 동작제어하고, 제2압력센서로부터 압력측정신호를 입력받아 공급라인 또는 침출수배출관이 일정압력으로 유지되도록 제어밸브를 동작제어하는 제어유닛과; 제어유닛을 작동제어하는 입력유닛을 포함하는 것을 특징으로 한다.The present invention for solving the above problems, the leachate reservoir containing a leachate; A leachate collection pipe embedded in a landfill and collecting leachate; A leachate feed line having one end connected to the leachate collection pipe and the other end connected to the leachate reservoir; A pressure tank connected to the leachate reservoir via a pumping line; A pump installed in the pumping line and forcibly transferring the leachate of the leachate reservoir to a pressure tank; A check valve installed in a pumping line between the pump and the pressure tank to prevent a backflow from the pressure tank to the leachate reservoir; A first pressure sensor installed in the pressure tank and measuring the internal pressure of the pressure tank; An inlet pipe having a plurality of nozzles formed on an outer surface thereof, connected to a pressure tank via a supply line, and a leachate discharge pipe embedded in waste; A second pressure sensor installed in the supply line or the leachate discharge pipe and measuring the internal pressure of the supply line or the leachate discharge pipe; A control valve installed at a supply line or a leachate discharge pipe to control the amount of leachate supplied from the pressure tank to the leachate discharge pipe; The control valve operates the pump to receive the pressure measurement signal from the first pressure sensor and maintains the pressure tank at a constant pressure, and the control valve to receive the pressure measurement signal from the second pressure sensor to maintain the supply line or leachate discharge pipe at a constant pressure. A control unit for controlling operation; And an input unit for operating and controlling the control unit.

상기와 같은 본 발명에 따르면, 침출수를 재순환시킴으로써, 폐기물의 분해를 촉진시킬 수 있고, 이로 인해 폐기물 매립장의 조기 안정화를 이룰 수 있음은 물론, 침출수질의 저감을 가져오며, 매립가스가 증산되는 효과가 있다.According to the present invention as described above, by recycling the leachate, it is possible to promote the decomposition of the waste, thereby achieving early stabilization of the landfill, as well as reducing the leachate quality, the effect of the landfill gas is increased have.

이하 첨부도면에 의거하여 상세히 설명한다.Hereinafter will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 폐기물 매립장의 압력형 침출수 순환시스템 나타내기 위한 개략도이고, 도 2는 본 발명에 따른 폐기물 매립장의 압력형 침출수 순환시스템의 구성도이고, 도 3은 본 발명에 따른 침출수집수관 및 지하수집수관을 나타낸 도면이고, 도 4는 본 발명에 따른 다수의 침출수배출관이 연결된 상태를 나타내기 위한 도면이고, 도 5는 본 발명에 따른 침출수배출관을 나타낸 도면이고, 도 6은 본 발명에 따른 간격유지재를 나타낸 도면이다.1 is a schematic diagram showing a pressure type leachate circulation system of a waste landfill according to the present invention, Figure 2 is a block diagram of a pressure type leachate circulation system of a waste landfill according to the present invention, Figure 3 is a leachate collection according to the present invention 4 is a view showing a water pipe and groundwater collection pipe, Figure 4 is a view showing a state in which a plurality of leachate discharge pipe is connected according to the present invention, Figure 5 is a view showing a leachate discharge pipe according to the present invention, Figure 6 It is a figure which shows the space | interval maintenance material which follows.

도 1 및 도 2를 참조하면, 상기 폐기물 매립장의 압력형 침출수 순환시스템는, 침출수를 담는 침출수저수조(10)와, 매립장에 매립되어 침출수를 집수하는 침출수집수관(CP)과, 일단이 침출수집수관(CP)와 연결되고 타단이 침출수저수조(10)와 연결되는 침출수이송라인(P)과, 펌핑라인(PL)에 설치되어 침출수저수조(10)의 침출수를 압력탱크(30)로 강제이송하는 펌프(20)와, 펌핑라인(PL)을 매개로 침출수저수조(10)와 연결되는 압력탱크(30)와, 펌프(20)와 압력탱크(30) 사이의 펌핑라인(PL)에 설치되어 압력탱크(30)로부터 침출수저수조(10)로의 역류를 방지하는 체크밸브(40)와, 압력탱크(30)의 내압을 센싱하는 제1압력센서(50)와, 공급라인(SL)을 매개로 압력탱크(30)와 연결되는 침출수배출관(60)과, 공급라인(SL) 또는 침출수배출관(60)의 내압을 센싱하는 제2압력센서(70)와, 공급라인(SL) 또는 침출수배출관(60)에 설치되는 제어밸브(80)와, 제1압력센서(50) 및 제2압력센서(70)로부터의 신호에 따라 펌프(20) 또는 제어밸브(80)를 작동제어하는 제어유닛(90)과, 제어유닛(90)을 작동제어하는 입력유닛(100)으로 이루어진다.1 and 2, the pressure type leachate circulation system of the landfill, the leachate reservoir 10 containing the leachate, the leachate collection pipe (CP) which is embedded in the landfill and collects the leachate, one end of the leachate collection pipe A pump connected to (CP) and the other end connected to the leachate reservoir 10 is connected to the leachate reservoir 10 and the pumping line PL is installed in the pumping line (PL) to pump the leachate of the leachate reservoir 10 to the pressure tank (30) (20), the pressure tank 30 is connected to the leachate reservoir 10 via the pumping line (PL), and the pumping line (PL) between the pump 20 and the pressure tank (30) is installed in the pressure tank A check valve 40 for preventing backflow from the 30 to the leachate reservoir 10, a first pressure sensor 50 for sensing the internal pressure of the pressure tank 30, and a pressure tank via the supply line SL. The leachate discharge pipe 60 connected to the 30, the second pressure sensor 70 for sensing the internal pressure of the supply line (SL) or leachate discharge pipe 60 and , The control valve 80 installed in the supply line SL or the leachate discharge pipe 60 and the pump 20 or the control valve according to signals from the first pressure sensor 50 and the second pressure sensor 70. The control unit 90 for controlling the operation of the 80, and the input unit 100 for controlling the operation of the control unit (90).

상기 침출수저수조(10)는, 매립장 주변에 설치되어, 매립장에서 발생된 침출수를 저수한다.The leachate reservoir 10 is installed around the landfill and stores the leachate generated in the landfill.

도 3을 참조하면, 상기 침출수집수관(CP)은 외면에 다수의 관통홀(h)이 형성되며, 매립장에 매립되어 폐기물(W)로부터 발생되는 침출수를 집수한다. 이때, 침출수 집수관(CP)은 다수개가 구비되고, 집수의 용이함을 위해 중심부가 하방으로 굴곡지는 것이 바람직하다. Referring to FIG. 3, the leachate collection pipe CP has a plurality of through holes h formed on an outer surface thereof, and is embedded in a landfill to collect leachate generated from waste (W). At this time, the leachate collection pipe (CP) is provided with a plurality, it is preferable that the center is bent downward for ease of collection.

또한, 상기 다수의 침출수집수관(CP)은 방사형을 이루도록 연결되는 것이 바람직하며, 이때, 방사형을 이룬 침출수집수관(CP)의 중심부에 침출수이송라인(CT)이 연결된다. 참고로, 상기와 같이 다수의 침출수집수관(CP)이 방사형을 이루도록 하면 폐기물(W)의 모든 부분에 침출수를 용이하게 공급할 수 있다.In addition, the plurality of leachate collection pipe (CP) is preferably connected to form a radial, in this case, the leachate transport line (CT) is connected to the center of the radial leachate collection pipe (CP). For reference, when a plurality of leachate collection pipe (CP) to form a radial as described above it can be easily supplied to the leachate to all parts of the waste (W).

상기 침출수이송라인(CT)은 일단이 침출수집수관(CP)에 연결되고, 타단이 침 출수저수조(10)에 연결된다. 이때, 침출수이송라인(CT)은 다수개가 구비되어, 각각의 침출수집수관(CP)과 연결되거나, 하나의 침출수이송라인(CT)에 다수개의 침출수집수관(CP)이 연결될 수도 있다.The leachate transfer line (CT) is one end is connected to the leachate collection pipe (CP), the other end is connected to the leachate reservoir (10). At this time, the leachate transfer line (CT) is provided with a plurality, each of the leachate collection pipe (CP), or a plurality of leachate collection pipe (CP) may be connected to one leachate collection line (CT).

상기 펌프(20)는, 침출수저수조(10)와 압력탱크(30) 사이에 설치되는 펌핑라인(PL) 상에 설치되어, 침출수저수조(10)의 침출수를 압력탱크(30)로 강제이송시키는 통상의 것이다.The pump 20 is installed on the pumping line (PL) installed between the leachate reservoir 10 and the pressure tank 30, the usual to forcibly transfer the leachate of the leachate reservoir 10 to the pressure tank (30). Will.

상기 압력탱크(30)는 매립장 상부에 설치되며, 침출수저수조(10)로부터 침출수가 이송되면 이를 저장한다.The pressure tank 30 is installed above the landfill, and stores the leachate when the leachate is transferred from the leachate reservoir 10.

상기 체크밸브(40)는 침출수가 일방향으로만 흐르도록 하는 통상의 것으로서, 펌프(20)와 압력탱크(30)를 연결하는 펌핑라인상(PL)에 설치되어, 침출수가 압력탱크(30)로만 흐르도록 한다.The check valve 40 is a conventional one so that the leachate flows in only one direction, it is installed on the pumping line (PL) connecting the pump 20 and the pressure tank 30, the leachate only to the pressure tank (30) Let it flow

상기 제1압력센서(50)는 압력탱크(30)의 내압을 센싱하는 통상의 것으로서, 압력탱크(30) 내부에 설치되어, 압력탱크(30) 내부에 얼마만큼의 침출수가 수용되었는지를 측정한다. The first pressure sensor 50 is a conventional one for sensing the internal pressure of the pressure tank 30 and is installed in the pressure tank 30 to measure how much leachate is accommodated in the pressure tank 30. .

도 4 내지 도 6을 참조하면, 상기 침출수배출관(60)은, 다수의 관통홀(h)이 형성된 유공관(61)과, 외면에 다수의 노즐(62a)이 형성되며 간격유지재(63)를 매개로 유공관(61) 내면으로부터 일정간격 이격되게 설치되는 주입관(62)으로 구성된다.4 to 6, the leachate discharge pipe 60 includes a hole tube 61 in which a plurality of through holes h are formed, and a plurality of nozzles 62a are formed on an outer surface thereof, and the spacer 63 is formed therebetween. Consists of the injection tube 62 is spaced apart from the inner surface of the perforated tube 61 by a predetermined interval.

이때, 상기 주입관(62)의 노즐(62a)는 주입관(62)의 길이방향을 따라 일정간격으로 형성된다. At this time, the nozzle 62a of the injection tube 62 is formed at a predetermined interval along the longitudinal direction of the injection tube 62.

또한, 상기 간격유지재(63)는, 일단에 주입관(62)의 외면을 감싸는 안착부(63a1)가 형성되고, 타단에 유공관(61)의 내면에 고정되는 고정부(63a2)가 구비되는 다수개의 고정기구(63a)로 구성된다. 여기서, 각각의 고정기구(63a)의 안착부(63a1)가 주입관(62)을 감싸고, 리벳 또는 볼트를 통해 각각의 고정기구(63a)를 상호 고정한 후, 각각의 고정기구(63a)의 단부를 유공관(61) 내면에 용접고정하면, 주입관(62)이 유공관(61) 내면으로부터 일정간격 이격배치된다.In addition, the spacer 63 is provided with a seating portion 63a1 surrounding the outer surface of the injection tube 62 at one end thereof, and a fixing portion 63a2 fixed to the inner surface of the hole tube 61 at the other end thereof. It consists of a plurality of fixing mechanisms 63a. Here, the seating portion 63a1 of each fixing mechanism 63a surrounds the injection tube 62, fixes each fixing mechanism 63a through rivets or bolts, and then ends of each fixing mechanism 63a. When welding is fixed to the inner surface of the perforated pipe 61, the injection pipe 62 is spaced apart from the inner surface of the perforated pipe 61 by a predetermined interval.

한편, 상기 침출수배출관(60)은, 각각의 폐기물층에 설치될 수 있다. 이때, 도 4와 같이 각각의 폐기물층에 설치된 침출수배출관(60)은 상호 격자형상을 이루도록 층간배치는 것이 바람직하다. 즉, 각각의 폐기물층의 침출수배출관(60)이 격자형상을 이루도록 배치함으로써, 좀 더 효율적으로 침출수를 폐기물(W)에 공급하기 위함이다.On the other hand, the leachate discharge pipe 60 may be installed in each waste layer. At this time, the leachate discharge pipe 60 installed in each waste layer as shown in Figure 4 is preferably arranged interlayer so as to form a mutual grid. That is, by arranging the leachate discharge pipe 60 of each waste layer to form a lattice shape, it is for supplying the leachate to the waste (W) more efficiently.

또한, 본 실시예서는 주입관(62) 외부에 유공관(61)이 설치되지만, 주입관(62) 단독으로만 폐기물층에 배치될 수도 있다. 이때, 노즐(62a)에는 다양한 길이를 갖는 파이프가 끼워질 수 있으며, 파이프의 길이를 조정하여 침출수를 폐기물의 모든 곳에 안정적으로 공급할 수 있다.In addition, in this embodiment, the perforated pipe 61 is installed outside the injection pipe 62, but may be disposed in the waste layer only the injection pipe 62 alone. In this case, a pipe having various lengths may be fitted to the nozzle 62a, and the leachate may be stably supplied to all the wastes by adjusting the length of the pipe.

상기 제2압력센서(70)는 침출수배출관(60)의 내압을 센싱하는 통상의 압력센서로서, 침출수배출관(60)에 설치되어, 침출수배출관(60) 내부로 흐르는 침출수의 양을 측정한다.The second pressure sensor 70 is a conventional pressure sensor for sensing the internal pressure of the leachate discharge pipe 60, is installed in the leachate discharge pipe 60, and measures the amount of leachate flowing into the leachate discharge pipe 60.

상기 제어밸브(80)는 압력탱크(30)와 침출수배출관(60)의 시작부분 사이에 설치되어, 압력탱크(30)로부터 침출수배출관(60)으로 흐르는 침출수 양을 제어한 다.The control valve 80 is installed between the pressure tank 30 and the start of the leachate discharge pipe 60 to control the amount of leachate flowing from the pressure tank 30 to the leachate discharge pipe 60.

상기 제어유닛(90)은, 제1압력센서(50)로부터 압력측정신호를 입력받아 압력탱크(30)가 일정압력으로 유지되도록 펌프(20)를 동작제어하고, 제2압력센서(70)로부터 압력측정신호를 입력받아 공급라인(SL) 또는 침출수배출관(60)이 일정압력으로 유지되도록 제어밸브(80)를 동작제어한다.The control unit 90 receives the pressure measurement signal from the first pressure sensor 50, and controls the pump 20 to maintain the pressure tank 30 at a constant pressure, and from the second pressure sensor 70. The control valve 80 is controlled to receive the pressure measurement signal so that the supply line SL or the leachate discharge pipe 60 is maintained at a constant pressure.

즉, 상기 제어유닛(90)은 제1압력센서(50)로부터 압력탱크(30)내의 압력이 기준압 이하로 내려갔다는 신호가 입력되면, 펌프(20)를 구동시키고, 기준압 이상 올라갔다는 신호가 입력되면 펌프(20)의 구동을 멈춘다. 또한, 제어유닛(90)은, 제2압력센서(70)로부터 침출수배출관(60) 내의 압력이 기준압 이하로 내려갔다는 신호가 입력되면 제어밸브(80)를 열고, 기준압 이상 올라갔다는 신호가 입력되면 제어밸브(80)를 닫는다. 이때, 제어유닛(90)의 설치위치는 한정되지 않는다.That is, the control unit 90 drives the pump 20 when the signal from the first pressure sensor 50 that the pressure in the pressure tank 30 is lower than the reference pressure is input, and the pressure rises above the reference pressure. Stops driving of the pump 20 when a signal is input. In addition, the control unit 90 opens the control valve 80 when the signal from the second pressure sensor 70 indicates that the pressure in the leachate discharge pipe 60 has fallen below the reference pressure. When a signal is input, the control valve 80 is closed. At this time, the installation position of the control unit 90 is not limited.

상기 입력유닛(100)은 제어유닛(90)을 작동제어하기 위한 것으로, 제어유닛(90)에 설치되어, 제어유닛(90)을 ON-OFF 제어하며, 제1 또는 제2압력센서(50,70)의 기준값을 셋팅하거나, 제어밸브(80)의 열림공간을 조정하여 침출수 투입량을 조절한다.The input unit 100 is for controlling the operation of the control unit 90, is installed in the control unit 90, to control the control unit 90 ON-OFF, the first or second pressure sensor 50, Set the reference value of 70) or adjust the opening space of the control valve 80 to adjust the leachate input amount.

이하 상술된 폐기물 매립장의 압력형 침출수 순환시스템의 작동상태를 설명하면 다음과 같다. Hereinafter, the operation state of the pressure type leachate circulation system of the waste landfill described above is as follows.

도 7 내지 도 9는 본 발명에 따른 폐기물 매립장의 압력형 침출수 순환시스템을 나타낸 도면으로서, 도 7 내지 도 9를 참조하여 폐기물 매립장의 압력형 침출 수 순환시스템을 설명하면 다음과 같다.7 to 9 are diagrams illustrating a pressure type leachate circulation system of a waste landfill according to the present invention. Referring to FIGS. 7 to 9, the pressure type leachate circulation system of a waste landfill is described as follows.

우선, 굴삭기 등을 이용하여, 도 1과 같이 측면이 외측을 향하여 완만한 경사를 이루는 굴착홈(DG)를 형성한다. 이때, 굴착홈(DG)의 인근 지면에는 침출수를 집수하기 위한 침출수저수조(10)와, 지하수를 집수하기 위한 지하수저수조(WT)가 설치된다.First, using an excavator or the like, as shown in Figure 1 to form an excavation groove (DG) having a gentle inclination toward the outside. At this time, in the vicinity of the excavation groove (DG), a leachate reservoir 10 for collecting leachate and a groundwater reservoir (WT) for collecting groundwater are installed.

계속해서 상기 굴착홈(DG)의 바닥면에 투수부재(S)를 포설하고, 투수부재(S)의 상부에 지하수집수관(GP)을 배치하며, 지하수집수관(GP)의 상부에 또 다시 투수부재(S)가 포설한 후, 그 위에 부직포(N)를 배치한다.Subsequently, the water permeation member S is disposed on the bottom surface of the excavation groove DG, the groundwater collecting pipe GP is disposed on the upper portion of the water permeable member S, and again above the groundwater collecting pipe GP. After the permeation member S is laid, the nonwoven fabric N is disposed thereon.

이후, 상기 부직포(N)의 상부에 차수막(CW)을 포설하고, 차수막(CW)의 상부에 부직포(N)를 배치한다.Subsequently, an order film CW is formed on the nonwoven fabric N, and the nonwoven fabric N is disposed on the order film CW.

이때, 상기 차수막(CW)은, 지하수 및 침출수가 상호 소통되지 못하도록 하기 위한 것으로, 지오네트, 합성수지 또는 투과성이 낮은 점토질의 토양이 사용될 수 있다.In this case, the water barrier membrane CW is for preventing the groundwater and the leachate from communicating with each other. A geonet, a synthetic resin, or a low-permeability clay soil may be used.

계속해서, 상기 부직포(N)의 상부에 투수부재(S)를 포설하고, 투수부재(S)의 상부에 침출수집수관(CP)을 배치하고, 침출수집수관(CP)의 상부에 다시 투수부재(S)를 포설 한 후, 그 위에 부직포(N)를 배치한다.Subsequently, the water permeation member S is disposed on the upper portion of the nonwoven fabric N, the leachate collecting pipe CP is disposed on the upper portion of the water permeation member S, and the water permeation member CP is again placed on the top of the leachate collecting pipe CP. After laying (S), the nonwoven fabric N is arrange | positioned on it.

이후, 상기 부직포(N)의 상부에 폐기물(W)를 포설하고, 폐기물(W)에 수평홈(HG)에 연통되는 다수의 수직홈(PG)을 형성한다.Thereafter, the waste W is disposed on the nonwoven fabric N, and a plurality of vertical grooves PG communicating with the horizontal grooves HG are formed in the waste W.

이때, 상기 수평홈(HG)은 길이방향을 따라 형성되되, 내면이 외측으로 갈 수록 경사진 사각형상을 이룬다.At this time, the horizontal groove (HG) is formed along the longitudinal direction, the inner surface forms an inclined square toward the outside.

상기와 같이 수평홈(HG) 및 수직홈(PG)이 형성되면, 수직홈(PG)에 투수부재(S)를 포설하고, 투수부재(S)의 상부에 침출수배출관(60)을 배치시키며, 침출수배출관(60)을 덮도록 침출수배출관(60)의 외부에 투수부재(S)를 다시 포설한 후, 그 위에 부직포(N)를 배치시키고, 부직포(N)의 상부에 PE필름(FL)을 덮는다.When the horizontal groove (HG) and the vertical groove (PG) is formed as described above, the permeable member (S) is installed in the vertical groove (PG), and the leachate discharge pipe (60) is disposed on the top of the permeable member (S), After repositioning the permeable member S on the outside of the leachate discharge pipe 60 to cover the leachate discharge pipe 60, the nonwoven fabric N is disposed thereon, and the PE film FL is placed on top of the nonwoven fabric N. Cover.

이때, 상기 PE필름(FL)은 폴리에스테르재질로서, 침출수가 매립장 표면으로 유출되지 않도록 한다.In this case, the PE film (FL) is made of a polyester material, so that the leachate does not flow out to the landfill surface.

계속해서, 상기 PE필름(FL)의 상부에 폐기물(W)을 적층하고, 폐기물(W)에 복토(C)를 하고, 복토(C)의 상부에 폐기물(W)을 적층시키며, 이러한 과정을 반복적으로 수행한다.Subsequently, the waste (W) is laminated on top of the PE film (FL), the cover (C) is applied to the waste (W), and the waste (W) is laminated on the top of the cover (C), and this process is performed. Perform iteratively.

이때, 상기 각각의 폐기물(W)에는, 수평홈(HG) 및 수평홈(HG)에 연통되는 다수의 수직홈(PG)을 형성하고, 수직홈(PG)에 투수부재(S)를 포설한다. 이후, 투수부재(S)의 상부에 침출수배출관(60)을 배치시키며, 침출수배출관(60)을 덮도록 침출수배출관(60)의 외부에 투수부재(S)를 다시 포설한 후, 그 위에 부직포(N)를 배치시키고, 부직포(N)의 상부에 PE필름(FL)을 덮는다.At this time, each of the waste (W), a plurality of vertical grooves (PG) are formed in communication with the horizontal groove (HG) and the horizontal groove (HG), and the water permeable member (S) in the vertical groove (PG). . Thereafter, the leachate discharge pipe 60 is disposed on the upper portion of the permeable member S, and the water permeation member S is re-installed on the outside of the leachate discharge pipe 60 so as to cover the leachate discharge pipe 60, and thereon, a nonwoven fabric ( N) is disposed and the PE film FL is covered on the nonwoven fabric N.

한편, 상기 투수부재(S)는 일정 강도를 가지며 높은 투수율을 갖는 것이 바람직하며, 본 실시예에서는 자갈을 적층함으로써 투수부재(S)를 이루도록 하였다.On the other hand, the permeable member (S) is preferably having a certain strength and a high permeability, in this embodiment to achieve the permeable member (S) by laminating the gravel.

또한, 상기 부직포(N)는, 층간 간섭을 방지하기 위한 것으로, 부직포(N)의 공극을 조절함으로써, 투수율을 조절할 수 있다.In addition, the nonwoven fabric N is for preventing interlayer interference, and by adjusting the voids of the nonwoven fabric N, the water permeability can be adjusted.

상기와 같은 상태에서, 상기 폐기물(W)로부터 발생된 침출수가 침출수집수 층(300)의 부직포(N)로 스며들면, 부직포(N)로 스며든 침출수는 투수부재(S)를 통과하여 침출수집수관(CP)로 집수되고, 집수된 침출수는 침출수이송라인(CT)를 통하여 침출수저수조(10)로 이송되어, 침출수저수조(10)에 저수된다. In such a state, when the leachate generated from the waste (W) seeps into the nonwoven fabric (N) of the leachate collection layer (300), the leachate soaked into the nonwoven fabric (N) passes through the permeable member (S). Collected by collecting water pipe (CP), the collected leachate is transferred to the leachate reservoir 10 through the leachate transfer line (CT), and is stored in the leachate reservoir (10).

이후, 상기 입력유닛(100)에 의해 제어유닛(90)이 작동상태에 놓이게 되면, 펌프(20)는 제어유닛(90)에 의해 작동되어, 침출수저수조(10)의 침출수를 압력탱크(30)로 이송시킨다. 이송된 침출수는, 펌프(20)로부터의 압력에 의해 침출수배출관(60)의 주입관(62)으로 이송되고, 주입관(62)을 따라 이동하면서 노즐(62a)을 통해 유공관(61) 내부로 분사된다. Then, when the control unit 90 is put into the operating state by the input unit 100, the pump 20 is operated by the control unit 90, the leachate of the leachate reservoir 10 pressure tank 30 Transfer to. The conveyed leachate is transferred to the injection pipe 62 of the leachate discharge pipe 60 by the pressure from the pump 20, and moves along the injection pipe 62 to the inside of the perforated pipe 61 through the nozzle 62a. Sprayed.

상기 유공관(61)으로 분사된 침출수는 수직홈(PG) 내부의 투수부재(S)로 스며들고, 투수부재(S)을 통과한 침출수가 폐기물(W) 곳곳으로 스며들게 된다.The leachate injected into the hole tube 61 is permeated into the permeable member S inside the vertical groove PG, and the leachate passed through the permeable member S is permeated into the waste W.

한편, 상기 압력탱크(30)로 과도한 양의 침출수가 유입되면, 제어유닛(90)은 제1압력센서(50)로부터 압력탱크(30)의 침출수가 과도하게 증가했다는 신호를 수신하고, 이를 수신한 제어유닛(90)이 펌프(20)의 구동을 멈춘다.On the other hand, when an excessive amount of leachate flows into the pressure tank 30, the control unit 90 receives a signal that the leachate of the pressure tank 30 has excessively increased from the first pressure sensor 50, and receives this One control unit 90 stops driving the pump 20.

이때, 상기 압력탱크(30)의 침출수 양이 현저히 줄어들면, 제어유닛(90)은 압력탱크(30)의 침출수가 현저히 줄었다는 신호를 수신하고, 이를 수신한 제어유닛(90)이 펌프(20)를 다시 가동한다.At this time, if the amount of leachate in the pressure tank 30 is significantly reduced, the control unit 90 receives a signal that the leachate of the pressure tank 30 is significantly reduced, the control unit 90 receives the pump 20 Start up again).

또한, 상기 침출수배출관(60)으로 과도한 양의 침출수가 흐르면, 제어유닛(90)은 제2압력센서(70)로부터 침출수배출관(60)의 침출수가 과도하게 증가했다는 신호를 수신하고, 이를 수신한 제어유닛(90)이 제어밸브(80)의 개방정도를 줄여, 침출수배출관(60)으로 적정량의 침출수가 흐르도록 한다.In addition, when an excessive amount of leachate flows into the leachate discharge pipe 60, the control unit 90 receives a signal indicating that the leachate of the leachate discharge pipe 60 has excessively increased from the second pressure sensor 70, and receives the same. The control unit 90 reduces the degree of opening of the control valve 80, so that the leachate of a suitable amount flows into the leachate discharge pipe (60).

이때, 상기 침출수배출관(60)의 침출수 양이 현저히 줄어들면, 제어유닛(90)은 침출수배출관(60)의 침출수가 현저히 줄었다는 신호를 수신하고, 이를 수신한 제어유닛(90)이 제어밸브(80)의 개방정도를 넓혀, 침출수배출관(60)으로 적정량의 침출수가 흐르도록 한다. At this time, if the leachate amount of the leachate discharge pipe 60 is significantly reduced, the control unit 90 receives a signal that the leachate of the leachate discharge pipe 60 is significantly reduced, the control unit 90 receives the control valve ( The opening degree of 80) is widened so that the leachate of the leachate flows into the leachate discharge pipe 60.

한편, 상기 굴착홈(DG)의 바닥면에 생성되는 지하수는 지하수집수관(GP)의 관통홀(h)을 통과하여 지하수집수관(GP)으로 집수된다.On the other hand, the groundwater generated on the bottom surface of the excavation groove (DG) is collected through the through hole (h) of the groundwater collecting pipe (GP) to be collected by the groundwater collecting pipe (GP).

이때, 상기 지하수집수관(GP)로 집수된 지하수는, 지하수이송관(GP)을 통하여 지하수저수조(WT)로 집수된다. At this time, the groundwater collected by the groundwater collecting pipe GP is collected into the groundwater reservoir WT through the groundwater transport pipe GP.

상술한 바와 같이 본원발명에 따른 폐기물 매립장의 압력형 침출수 순환시스템은, 침출수를 재순환시킴으로써, 폐기물의 분해를 촉진시킬 수 있고, 이로 인해 폐기물 매립장의 조기 안정화를 이룰 수 있음은 물론, 침출수질의 저감을 가져오며, 매립가스가 증산되는 효과가 있다.As described above, the pressure type leachate circulation system of the landfill according to the present invention can accelerate the decomposition of the waste by recycling the leachate, thereby achieving premature stabilization of the landfill and of course reducing the leachate quality. It is brought, and the landfill gas is increased.

도 1은 본 발명에 따른 폐기물 매립장의 압력형 침출수 순환시스템 나타내기 위한 개략도이고, 1 is a schematic diagram for showing a pressure type leachate circulation system of a landfill in accordance with the present invention,

도 2는 본 발명에 따른 폐기물 매립장의 압력형 침출수 순환시스템의 구성도이고, 2 is a block diagram of a pressure type leachate circulation system of a landfill site according to the present invention;

도 3은 본 발명에 따른 침출수집수관 및 지하수집수관을 나타낸 도면이고, 3 is a view showing a leachate collection pipe and groundwater collection pipe according to the present invention,

도 4는 본 발명에 따른 다수의 침출수배출관이 연결된 상태를 나타내기 위한 도면이고, 4 is a view for showing a state in which a plurality of leachate discharge pipe is connected according to the present invention,

도 5는 본 발명에 따른 침출수배출관을 나타낸 도면이고, 5 is a view showing a leachate discharge pipe according to the present invention,

도 6은 본 발명에 따른 간격유지재를 나타낸 도면이고,6 is a view showing a gap retaining material according to the present invention,

도 7은 도 1의 A부분을 상세히 나타낸 단면도이고,7 is a cross-sectional view showing a portion A of FIG. 1 in detail;

도 8 및 도 9은 본 발명의 사용상태를 나타내기 위한 도면이다.8 and 9 are diagrams for showing the use state of the present invention.

- 첨부도면의 주요부분 용어설명 --Explanation of main parts of attached drawings-

10; 침출수집수관 20; 펌프10; Leachate collection pipe 20; Pump

30; 압력탱크 40; 체크밸브30; Pressure tank 40; Check valve

50; 제1압력센서 60; 침출수배출관50; A first pressure sensor 60; Leachate discharge pipe

70; 제2압력센서 80; 제어밸브70; Second pressure sensor 80; Control valve

90; 제어유닛 100; 입력유닛90; Control unit 100; Input unit

Claims (2)

침출수를 담는 침출수저수조(10)와; A leachate reservoir 10 containing leachate; 매립장에 매립되어 침출수를 집수하는 침출수집수관(CP)과; A leachate collection pipe (CP) embedded in a landfill and collecting leachate; 일단이 침출수집수관(CP)과 연결되고 타단이 침출수저수조(10)와 연결되는 침출수이송라인(P)과;A leachate feed line (P) having one end connected to the leachate collection pipe (CP) and the other end connected to the leachate reservoir 10; 펌핑라인(PL)을 매개로 침출수저수조(10)와 연결되는 압력탱크(30)와;A pressure tank 30 connected to the leachate reservoir 10 via a pumping line PL; 펌핑라인(PL)에 설치되어, 침출수저수조(10)의 침출수를 압력탱크(30)로 강제이송하는 펌프(20)와;A pump 20 installed in the pumping line PL to forcibly transfer the leachate from the leachate reservoir 10 to the pressure tank 30; 펌프(20)와 압력탱크(30) 사이의 펌핑라인(PL)에 설치되어, 압력탱크(30)로부터 침출수저수조(10)로의 역류를 방지하는 체크밸브(40)와; A check valve 40 installed at a pumping line PL between the pump 20 and the pressure tank 30 to prevent a backflow from the pressure tank 30 to the leachate reservoir 10; 압력탱크(30)에 설치되어, 압력탱크(30)의 내압을 측정하는 제1압력센서(50)와; A first pressure sensor 50 installed in the pressure tank 30 to measure the internal pressure of the pressure tank 30; 외면에 노즐(62a)이 형성된 주입관(62)을 갖추고서, 공급라인(SL)을 매개로 압력탱크(30)와 연결되어, 폐기물(W)에 매립되는 침출수배출관(60)과;An inlet pipe 62 having a nozzle 62a formed on an outer surface thereof, connected to a pressure tank 30 via a supply line SL, and a leachate discharge pipe 60 embedded in a waste W; 공급라인(SL) 또는 침출수배출관(60)에 설치되어, 공급라인(SL) 또는 침출수배출관(60)의 내압을 측정하는 제2압력센서(70)와;A second pressure sensor 70 installed in the supply line SL or the leachate discharge pipe 60 to measure the internal pressure of the supply line SL or the leachate discharge pipe 60; 공급라인(SL) 또는 침출수배출관(60)에 설치되어, 압력탱크(30)로부터 침출수배출관(60)으로 공급되는 침출수량을 제어하는 제어밸브(80)와; A control valve 80 installed in the supply line SL or the leachate discharge pipe 60 to control the amount of leachate supplied from the pressure tank 30 to the leachate discharge pipe 60; 제1압력센서(50)로부터 압력측정신호를 입력받아 압력탱크(30)가 일정압력으 로 유지되도록 펌프(20)를 동작제어하고, 제2압력센서(70)로부터 압력측정신호를 입력받아 공급라인(SL) 또는 침출수배출관(60)이 일정압력으로 유지되도록 제어밸브(80)를 동작제어하는 제어유닛(90)과;The pressure measurement signal is input from the first pressure sensor 50 to control the pump 20 to maintain the pressure tank 30 at a constant pressure, and the pressure measurement signal is supplied from the second pressure sensor 70. A control unit 90 for controlling operation of the control valve 80 so that the line SL or the leachate discharge pipe 60 is maintained at a constant pressure; 제어유닛(90)을 작동제어하는 입력유닛(100);An input unit 100 for operating and controlling the control unit 90; 을 포함하는 것을 특징으로 하는 폐기물 매립장의 압력형 침출수 순환시스템.Pressure type leachate circulation system of a landfill, characterized in that it comprises a. 제1항에 있어서,The method of claim 1, 상기 침출수배출관(60)은, 외면에 노즐(62a)이 형성된 주입관(62)과; 다수의 관통홀(h)을 갖추고서, 주입관(62)의 외면을 감싸며 주입관(62)의 외면으로부터 일정간격 이격되게 설치되는 유공관(61)으로 구성된 것을 특징으로 하는 폐기물 매립장의 압력형 침출수 순환시스템. The leachate discharge pipe 60, the injection pipe 62 is formed with a nozzle (62a) on the outer surface; Pressure type leachate of the waste landfill site comprising a plurality of through-holes (h), surrounding the outer surface of the injection tube 62 and installed in the perforated tube 61 spaced at a predetermined distance from the outer surface of the injection tube 62 Circulatory system.
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KR101285319B1 (en) * 2011-03-09 2013-07-11 김기태 Device and method for treating of leachat
KR101285290B1 (en) * 2011-09-27 2013-07-11 삼성물산 주식회사 The Carcass Landfill With Composting Technology And Leachate Circulation
CN105129990A (en) * 2015-09-14 2015-12-09 中国环境科学研究院 Method for pretreating landfill leachate by quasi aerobiotic landfilling body

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KR101372569B1 (en) 2013-10-11 2014-03-13 주식회사 대양환경 Leachate cleaning device having bifurcation device
CN104475419B (en) * 2014-11-04 2017-03-01 武汉景弘环境生物科技有限公司 The multilamellar Leachate site recharge pipe network of refuse landfill and gas-liquid guide exchange system

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KR100263133B1 (en) * 1997-09-08 2000-08-01 유성용 Apparatus for discharging water from gas extraction pipe in ground filled with wastes
KR100457230B1 (en) * 2003-08-05 2004-11-12 주식회사 선진엔지니어링 종합건축사 사무소 Gas discharging apparatus for waste reclaimed land, and method for manufacturing the same

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KR101285319B1 (en) * 2011-03-09 2013-07-11 김기태 Device and method for treating of leachat
KR101285290B1 (en) * 2011-09-27 2013-07-11 삼성물산 주식회사 The Carcass Landfill With Composting Technology And Leachate Circulation
CN105129990A (en) * 2015-09-14 2015-12-09 中国环境科学研究院 Method for pretreating landfill leachate by quasi aerobiotic landfilling body

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