KR20040047307A - Device for removing moisture in sludge transfer belt - Google Patents

Device for removing moisture in sludge transfer belt Download PDF

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Publication number
KR20040047307A
KR20040047307A KR1020020075462A KR20020075462A KR20040047307A KR 20040047307 A KR20040047307 A KR 20040047307A KR 1020020075462 A KR1020020075462 A KR 1020020075462A KR 20020075462 A KR20020075462 A KR 20020075462A KR 20040047307 A KR20040047307 A KR 20040047307A
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KR
South Korea
Prior art keywords
belt
sludge
pressing plate
roll
driven roll
Prior art date
Application number
KR1020020075462A
Other languages
Korean (ko)
Inventor
서정권
이진부
하무식
장한규
Original Assignee
주식회사 포스코
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Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020020075462A priority Critical patent/KR20040047307A/en
Publication of KR20040047307A publication Critical patent/KR20040047307A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/28—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/20—Rollers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
    • 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
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/20—Sludge processing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Filtration Of Liquid (AREA)

Abstract

PURPOSE: Provided is a device for removing moisture in sludge transfer belt which is able to improve the inefficient dehydration work and prevent water and environment contamination caused by the sludge treated as waste. CONSTITUTION: The device comprises a driving roll(8) and a driven roll(9), each of which is supported by a base(6), where a strainer belt(10) supplied with the sludge from a mixing tank(11) is wound in an endless track form, a tank(7) which is placed directly under the strainer belt, a pressing plate(13) which is extended toward the driven roll on top of the strainer belt with having some interval, where a fixing rod(21) of a rotating center is installed adjacent to the driving roll, a cam rotating plate(16) which is installed in front side of the pressing plate near the driven roll to press, a power motor(12) which is connected to a rotating shaft of the cam rotating plate and a spring(20) which is installed on both sides of the rear side of the pressing plate near the cam rotating plate to make the strainer belt return without being interfered with the strainer belt.

Description

슬러지 이송벨트에서의 수분 제거장치{DEVICE FOR REMOVING MOISTURE IN SLUDGE TRANSFER BELT}Water removal device from sludge transfer belt {DEVICE FOR REMOVING MOISTURE IN SLUDGE TRANSFER BELT}

본 발명은 슬러지 이송벨트에서의 수분 제거장치에 관한 것이다.The present invention relates to a water removal device in the sludge conveying belt.

통상, 압연소재의 표면에서 발생하는 산화철(스케일 및 슬러지)중 미세한 입자의 것은 폐수에 다량 함유되어 수질 및 산업환경에 저해로운 요소로 작용하게 된다.In general, the fine particles of iron oxide (scale and sludge) generated on the surface of the rolled material is contained in a large amount of waste water to act as a detrimental factor to the water quality and industrial environment.

이러한 미세 산화철(슬러지)은 통상의 공업폐수와 공존하게 되며 폐수처리과정에서 약품에 의한 응집, 침전, 탈수과정을 거쳐 반고체상태로 회수하여 소각처리하는 방법이 보편화되어 있다.Such fine iron oxide (sludge) coexists with the general industrial wastewater, and the method of recovering and incineration by semi-solid state through agglomeration, sedimentation and dehydration by chemicals in the wastewater treatment process is common.

압연작업시 소재의 표면에 생성되는 이러한 산화철은 산업폐기물로써 수질및 환경오염 방지상 철저히 관리되어야 한다.These iron oxides, which are formed on the surface of the material during rolling, are industrial wastes and must be thoroughly managed to prevent water and environmental pollution.

특히, 미세한 입자형태로 용수에 함유되며 그 처리공정은 집수조에 모아진 수용 슬러지를 약품처리화하여 회수 및 소각처리하게 되는데 회전하는 여러개의 롤과 그들을 감싸며 회전하는 여과망벨트의 압착에 의해 탈수가 이루어지고 반고체 상태로 수거되는 것이 일반적이다.In particular, it is contained in the water in the form of fine particles, and the treatment process is recovered and incinerated by chemical treatment of the receiving sludge collected in the sump tank, which is dehydrated by the compression of a plurality of rotating rolls and a rotating mesh belt surrounding them. It is common to collect semi-solid.

이와 같은 과정에서, 상하로 구분 각기 회전루트를 따라 상하벨트에 압력이 가하여지고 압착에 의해 망으로 형성된 벨트표면으로 수분이 새어나오고 슬러지가 남게되므로 이를 스크래퍼로 수거하게 된다.In this process, the pressure is applied to the upper and lower belts along the rotation route divided up and down, and moisture is leaked to the belt surface formed by the mesh by pressing and the sludge remains, so it is collected with a scraper.

그 과정에서 중압부(수분을 함유한 슬러지가 하중에 의해 자연스럽게 벨트망 으로 수분이 새어나오는 과정의 진행부)에서 가압부(회전하는 두개의 상하벨트가 일정간격을 두고 서로 압력을 가하는 과정의 진행부)에 진입하면서 묽은 슬러지가 여과망벨트 가장자리로 슬러지가 탈수부를 이탈하면서 여러가지 폐해요소가 발생되고 있다.In the process, the process of the pressurizing part (the two rotating upper and lower belts applying pressure to each other at regular intervals) in the middle pressure part (the progress part in which water containing sludge naturally leaks into the belt net under load). As the sludge enters b), sludge escapes from the dehydration part to the edge of the filter belt and various harmful elements are generated.

본 발명은 상기의 문제점을 해소하기 위해 착안된 것으로, 슬러지탈수시 묽은 슬러지내에 다량으로 함유되어 있는 수분을 1차 제거함으로써 탈수기의 여과망벨트 가압시 벨트 가장자리로 슬러지가 밀려나 탈수부를 이탈하므로 수반되는 비능률적인 작업을 개선할 수 있는 슬러지 이송벨트에서의 수분 제거장치를 제공함에 그 목적이 있다.The present invention has been conceived to solve the above problems, the sludge is pushed to the belt edge when dewatering the filter net belt of the dehydrator by first removing the water contained in a large amount of sludge when dewatering the sludge, the inefficiency accompanying the dewatering part The object is to provide a water removal device in the sludge conveying belt that can improve the phosphorus operation.

도 1은 본 발명 장치의 설치상태 사시도,1 is a perspective view of an installation state of the device of the present invention;

도 2는 본 발명 장치의 정면도,2 is a front view of the apparatus of the present invention,

도 3은 본 발명 장치의 평면도,3 is a plan view of the device of the present invention;

도 4는 본 발명 장치의 부분 확대도,4 is a partially enlarged view of the device of the present invention;

도 5는 본 발명을 설명하기 위한 캠의 작동예시도.5 is an operation example of a cam for explaining the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

6....베이스 7....탱크6 .... base 7 .... tank

8....구동롤 9....피동롤8 .... driven roll 9 .... driven roll

10....여과망벨트 12....동력모터10 .... Filtration belt 12 .... Power motor

13....누름판 16....캠회전판13..Pressure plate 16 .... Cam tumbler

18....체인 19....스크래퍼18..Chain 19 .... Scraper

본 발명의 상기한 목적은, 베이스에 의해 지지되고, 서로 이격설치되며, 믹싱탱크로부터 슬러지를 공급받는 여과망벨트가 무한궤도 형태로 감겨있는 구동롤 및 종동롤과; 상기 여과망벨트의 직하방에 배치된 탱크와; 상기 구동롤에 인접하여 회전중심인 고정대가 설치되고, 여과망벨트의 상부에 그와 간격을 두고 종동롤쪽으로 뻗어있는 누름판과; 상기 종동롤 인접측 누름판 상면에 이를 가압가능하게 설치된 캠회전판과; 상기 캠회전판의 회전축에 연결된 동력모터와; 상기 캠회전판 인접측 누름판 하면 양측에 상기 여과망벨트와 간섭되지 않으면서 이를 탄성복귀시키도록 설치된 스프링을 포함하여 구성되는 것을 특징으로 하는 슬러지 이송벨트에서의 수분 제거장치를 제공함에 의해 달성된다.The above object of the present invention is supported by a base, spaced apart from each other, and the driving roll and the driven roll is wound around the filter mesh belt receiving sludge from the mixing tank in the form of an endless track; A tank disposed directly below the filter net belt; A pressing plate installed at a rotational center adjacent to the driving roll, the pressing plate extending toward the driven roll at an interval therebetween at an upper portion of the filter mesh belt; A cam rotating plate provided on the upper surface of the pressing roll adjacent to the driven roll so as to be pressurized; A power motor connected to the rotating shaft of the cam rotating plate; It is achieved by providing a water removal device in the sludge conveying belt, characterized in that it comprises a spring installed on both sides of the lower side of the cam rotating plate adjacent to the pressing plate elastically without interfering with the filter belt.

이하에서는, 첨부도면을 참조하여 본 발명을 보다 상세하게 설명하기로 한다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

도 1은 본 발명 장치의 설치상태 사시도이고, 도 2는 본 발명 장치의 정면도이며, 도 3은 본 발명 장치의 평면도이고, 도 4는 본 발명 장치의 부분 확대도이다.1 is a perspective view of an installation state of the device of the present invention, FIG. 2 is a front view of the device of the present invention, FIG. 3 is a plan view of the device of the present invention, and FIG. 4 is a partially enlarged view of the device of the present invention.

도 1 내지 도 4에 따르면, 발명은 두개의 베이스(6)와 가로놓인 받침대(15)를 기초로하여 구동롤(8)과 종동롤(9)이 부착되고, 이 두개의 구동 및 종동롤(8,9)의 회전력으로 회전가능한 여과망벨트(10)가 상기 구동 및 종동롤(8,9)을 감싸게 된다.According to Figs. 1 to 4, the invention is based on the two bases 6 and the pedestal 15 overlaid with the driving rolls 8 and the driven rolls 9, and the two driving and driven rolls ( The filter mesh belt 10 rotatable with the rotational force of 8, 9 is wrapped around the drive and driven rolls 8, 9.

그리고, 여과망벨트(10)의 상부에 일정간격을 유지하여 누름판(13)이 설치되며, 고정대(21)를 고정점으로 하여 상하로 작동하는 동작을 얻기 위해 캠회전판(16)을 동력모터(12)와 연결한다.Then, the pressing plate 13 is installed to maintain a predetermined interval on the upper portion of the filter mesh belt 10, the cam rotation plate 16 to the cam motor rotating plate 16 to obtain the operation to operate up and down with the fixed point 21 as a fixed point 12 ).

이는 누름판(13)이 상하 수직작용을 얻기 위함이고 동시에 회전스크류(17)가 회전력을 얻기 위해 체인(18)을 연결한다.This is for the pressing plate 13 to obtain the vertical and vertical action and at the same time the rotating screw 17 connects the chain 18 to obtain the rotational force.

누름판(13)의 하행작용은 동력모터(12)의 회전력이 전달된 캠회전판(16)의 상위점이며, 누름판(13)의 상행작용을 얻기 위해 캠회전판(16)의 하위점일 때 탄성에 의한 올림작용을 하기위해 스프링(20)이 부착된다.The downward action of the pressing plate 13 is an upper point of the cam rotation plate 16 to which the rotational force of the power motor 12 is transmitted, and is caused by elasticity when it is a lower point of the cam rotation plate 16 to obtain the upward action of the pressing plate 13. A spring 20 is attached to the lifter.

회전하는 여과망벨트(10) 사이에 두개의 오목롤(14)이 끼워져 상기 여과망벨트(10) 상부 아랫면과 오목롤(14)의 표면이 맞닿게 받침대(15)상에 설치되며, 여과망벨트(10) 하부 끝단부에 스크래퍼(19)를 부착한다.Two concave rolls 14 are inserted between the rotating mesh belts 10 so that the upper and lower surfaces of the filter mesh belts 10 and the surface of the concave rolls 14 are installed on the pedestal 15, and the filter mesh belts 10 Attach the scraper 19 to the lower end.

상기 여과망벨트(10) 하부에는 탱크(7)가 놓여져서 배수되는 물을 회수한다.The tank 7 is placed below the filter net belt 10 to recover the drained water.

상기와 같이 구성된 본 발명은, 회전하는 두개의 구동롤(8) 및 종동롤(9)에 의해 여과망벨트(10)가 회전하게 되고, 이 여과망벨트(10)의 회전시작점이라고 할 수 있는 종동롤(9)쪽 여과망벨트(10) 상부에 믹싱탱크(11)에서 약품처리된 묽은 슬러지가 쏟아져 얹히며 회전에 따른 여과망벨트(10)의 전진에 따라 벨트의 끝단이라고 할 수 있는 구동롤(8)쪽으로 이동한다.In the present invention configured as described above, the filter mesh belt 10 is rotated by the two driving rolls 8 and the driven roll 9 which rotates, and the driven roll which can be referred to as the starting point of rotation of the filter mesh belt 10. (9) The sludge sludge treated in the mixing tank (11) is poured on the upper side of the filter mesh belt (10), and the driving roll (8), which can be called the end of the belt, as the filter mesh belt (10) advances due to rotation. To the side.

이때, 동력모터(12)의 회전력을 받은 여과망벨트(10)의 양쪽 가장자리에 설치된 캠회전판(16)이 회전하여 그것이 상위점일 때 누름판(13)이 고정대(21)를 축으로하여 수직하행력이 작용되고, 캠회전판(16)이 하위점일 때 누름판(13)은 스프링(20)의 탄성력에 의해 수직상행력이 작용하여 위로 올라오게 된다.At this time, when the cam rotation plate 16 installed at both edges of the filter mesh belt 10 subjected to the rotational force of the power motor 12 is rotated so that it is the upper point, the pressing plate 13 is a vertical downward force with respect to the holder 21 axis. When the cam rotation plate 16 is a lower point, the pressing plate 13 is raised by the vertical upward force by the elastic force of the spring 20.

이와 같은 상황에서, 동력모터(12)의 회전력이 캠회전판(16)에 이어지고, 체인(18)으로 연결된 회전스크류(17)가 회전하여 믹싱탱크(11)에서 여과망벨트(10)상에 쏟아진 묽은 슬러지가 벨트 가장자리로의 퍼짐을 막는다.In such a situation, the rotational force of the power motor 12 is connected to the cam rotation plate 16, the rotary screw 17 connected to the chain 18 is rotated to loosen spilled on the filter net belt 10 in the mixing tank (11) The sludge prevents spread to the edge of the belt.

아울러, 누름판(13)의 반복적인 상하운동이 이루어지고, 여과망벨트(10)의 진행에 따라 슬러지가 이동한다.In addition, the repetitive vertical movement of the pressing plate 13 is made, the sludge is moved in accordance with the progress of the filter net belt (10).

이를 위해, 회전스크류(17)는 그 길이 중앙을 기점으로 하여 각 단부를 향해 서로 대향되는 방향으로 나선이 형성되는 바, 이를 테면 정회전시에는 물이 안쪽으로 모아지도록 나선이 형성되며 역회전시에는 물이 밖으로 퍼지도록 된 나선구조를 갖는다.To this end, the spiral screw 17 is formed in the direction opposite to each other toward each end starting from the center of the length thereof, for example, the spiral is formed so that the water is collected inward during the forward rotation and when the reverse rotation It has a spiral structure that allows water to spread out.

누름판(13)의 압하력에 의해 여과망벨트(10)의 처짐을 방지함과 동시에 가장자리로 슬러지가 밀려나가는 현상을 방지하기 위해 설치된 두개의 오목롤(14) 표면이 여과망벨트(10)면과 맞닿아 회전한다.The surface of the two concave rolls 14, which are installed to prevent the filtration net belt 10 from sagging and the sludge pushed out to the edges by the pressing force of the pressing plate 13, coincide with the surface of the filtration net belt 10. Touch and rotate.

이와같이 누름판(13)의 상하작용과 함께 여과망벨트(10)의 진행에 따라 슬러지내에 다량 함유된 물은 망을 통하여 여과된 상태로 아래로 흘러 탱크(7)로 집수되며, 탈수된 슬러지는 여과망벨트(10)의 끝단하부에 설치된 스크래퍼(19)에 의해 본체 하벨트(5)상에 떨어져 탈수기의 가압부로 진입하게 된다.In this way, the water contained in the sludge with the up and down action of the pressing plate 13 flows down into the tank 7 while being filtered through the net and collected in the tank 7, and the dewatered sludge is filtered through the mesh belt. The scraper 19 provided at the lower end of the (10) falls on the body lower belt 5 and enters the pressurization portion of the dehydrator.

여기에서, 도 5는 본 발명의 캠 작동관계를 예시적으로 설명하고 있다.5 illustrates the cam operating relationship of the present invention by way of example.

이상에서 상세히 설명한 바와 같이, 본 발명에 따르면 비효율적인 탈수작업을 개선하고 폐기물로 관리되는 슬러지로 인한 수질, 환경오염의 방지할 수 있다.As described in detail above, according to the present invention, it is possible to improve inefficient dewatering operation and to prevent water quality and environmental pollution due to sludge managed as waste.

Claims (3)

베이스(6)에 의해 지지되고, 서로 이격설치되며, 믹싱탱크(11)로부터 슬러지를 공급받는 여과망벨트(10)가 무한궤도 형태로 감겨있는 구동롤(8) 및 종동롤(9)과;A driving roll 8 and a driven roll 9 supported by the base 6 and spaced apart from each other, the filter mesh belt 10 receiving sludge from the mixing tank 11 wound in an orbital manner; 상기 여과망벨트(10)의 직하방에 배치된 탱크(7)와;A tank (7) disposed directly below the filtering net belt (10); 상기 구동롤(9)에 인접하여 회전중심인 고정대(21)가 설치되고, 여과망벨트(10)의 상부에 그와 간격을 두고 종동롤(9)쪽으로 뻗어있는 누름판(13)과;A pressing plate 13 which is installed adjacent to the driving roll 9 and having a center of rotation 21 and which extends toward the driven roll 9 at a distance from the upper part of the filter net belt 10; 상기 종동롤(9) 인접측 누름판(13) 상면에 이를 가압가능하게 설치된 캠회전판(16)과;A cam rotating plate (16) installed on the upper surface of the driven roll (9) adjacent side pressing plate (13) so as to be pressurized; 상기 캠회전판(16)의 회전축에 연결된 동력모터(12)와;A power motor 12 connected to the rotating shaft of the cam rotating plate 16; 상기 캠회전판(16) 인접측 누름판(13) 하면 양측에 상기 여과망벨트(10)와 간섭되지 않으면서 이를 탄성복귀시키도록 설치된 스프링(20)을 포함하여 구성되는 것을 특징으로 하는 슬러지 이송벨트에서의 수분 제거장치.In the sludge conveyance belt, characterized in that the cam rotating plate (16) adjacent to the pressing plate (13) comprises a spring (20) installed on both sides so as to elastically return it without interfering with the filter belt (10) Moisture removal device. 제1항에 있어서,The method of claim 1, 상기 구동롤(8)측 베이스(6)상에는 회전하는 여과망벨트(10)의 리턴되는 부위와 접촉하면서 긁어주는 스크래퍼(19)가 부설된 것을 특징으로 하는 슬러지 이송벨트에서의 수분 제거장치.The water removal device in the sludge conveying belt, characterized in that a scraper (19) is provided on the driving roll (8) side base (6) in contact with the return portion of the rotating filter belt (10). 제1항에 있어서,The method of claim 1, 상기 종동롤(9)측 여과망벨트(10)의 상면에는 믹싱탱크(11)로부터 공급된 슬러지를 여과망벨트(10)의 폭 중앙으로 모아주도록 상기 동력모터(12)와 연동되게 연결된 회전스크류(17)가 부설된 것을 특징으로 하는 슬러지 이송벨트에서의 수분 제거장치.The rotating screw 17 connected to the power motor 12 so as to collect the sludge supplied from the mixing tank 11 to the center of the width of the filter mesh belt 10 on the upper surface of the filter mesh belt 10 on the driven roll 9 side. Water removal device in the sludge conveying belt, characterized in that the laying).
KR1020020075462A 2002-11-29 2002-11-29 Device for removing moisture in sludge transfer belt KR20040047307A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100868502B1 (en) * 2002-08-30 2008-11-12 주식회사 포스코 Apparatus for pressing scale
CN111603822A (en) * 2020-07-02 2020-09-01 中联环股份有限公司 Waste water sludge treatment device
CN113233694A (en) * 2021-01-14 2021-08-10 胡厚军 Membrane bioreaction sewage treatment method based on environmental protection engineering

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100868502B1 (en) * 2002-08-30 2008-11-12 주식회사 포스코 Apparatus for pressing scale
CN111603822A (en) * 2020-07-02 2020-09-01 中联环股份有限公司 Waste water sludge treatment device
CN113233694A (en) * 2021-01-14 2021-08-10 胡厚军 Membrane bioreaction sewage treatment method based on environmental protection engineering
CN113233694B (en) * 2021-01-14 2023-12-12 山西山水环境工程有限公司 Membrane biological reaction sewage treatment method based on environmental engineering

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