WO2011126175A1 - Upward flow filtration apparatus - Google Patents
Upward flow filtration apparatus Download PDFInfo
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- WO2011126175A1 WO2011126175A1 PCT/KR2010/003202 KR2010003202W WO2011126175A1 WO 2011126175 A1 WO2011126175 A1 WO 2011126175A1 KR 2010003202 W KR2010003202 W KR 2010003202W WO 2011126175 A1 WO2011126175 A1 WO 2011126175A1
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- media
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- filtration
- screen
- filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/16—Upward filtration
- B01D24/165—Upward filtration the filtering material being supported by pervious surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
- B01D24/008—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection arranged concentrically or coaxially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
- B01D24/4673—Regenerating the filtering material in the filter by moving the filtering element using rotary devices or vibration mechanisms, e.g. stirrers
Definitions
- the present invention relates to an upflow filtration apparatus, and more particularly, to install filtration media having different thicknesses in a plurality of layers to improve filtration efficiency, as well as to easily and reliably backwash by installing a stirring blade. It is possible to relate to an upflow filtration device.
- Filtration is a representative process to remove particulate contaminants present in water in the water purification process for producing domestic and industrial water and the water treatment process for sewage and wastewater.
- the biologically treated and chemically treated water is usually sent to sand filter papers, and the filter media layer is easily clogged by contaminants, which takes a lot of time and money to backwash it.
- Korean Patent Publication Nos. 10-0519680, 10-0406190, and the like disclose technologies for filtration tanks that can be installed in a relatively small space as compared to conventional sedimentation basins and that can easily perform filtration and backwashing. .
- Republic of Korea Registered Utility Model Publication No. 20-0339212 discloses a technology for upflow floating wastewater treatment device using a multi-layer media.
- An object of the present invention is to provide an upflow filtration apparatus having a higher filtration efficiency and more easily and reliably backwashing the media based on the technology of the conventional water filter and wastewater treatment apparatus.
- the upflow filtration device proposed by the present invention includes a filtration tank formed with an inlet through which raw water (sewage) is introduced at a lower end thereof, and an outlet through which filtered water (constant water) is discharged from an upper end thereof, and installed inside the filtration tank.
- the filter media layer having a different thickness of media formed in a plurality of layers, a plurality of screens installed on the upper and lower surfaces of the media layer to prevent separation of the media and forming a plurality of fine holes, and the center of the filtration tank
- a stirring device including a rotating shaft installed up and down and the rotating blade is installed in the filter medium layer and installed on the rotating shaft to stir the filter medium, and a backwashing apparatus for supplying backwash water to the inside of the filter medium layer to perform backwashing. It is made, including.
- the median layer is configured such that media having a relatively high specific gravity and a relatively thick media are disposed at the bottom, and media having a relatively small specific gravity and a relatively small thickness of the fibers at the top.
- the filter medium layer is composed of two or more layers, preferably two to five layers.
- the stirring device includes a motor, a rotation shaft which is rotated by receiving the rotational force of the motor, and is installed to traverse the center of the filtration tank up and down, and is integrally installed on the rotation shaft and installed to stir the media of the media layer. It consists of a rotary wing.
- the backwashing device includes an ejector for mixing and supplying backwash water and air, and a backwash water supply pipe connected to the ejector and spraying backwash water mixed with air to a plurality of points in the media layer.
- the upflow filtration device according to the present invention may be provided at a lower portion of the inner filter layer in the filtration tank and further include a plurality of inclined sedimentation plates or inclined sedimentation tubes.
- the upflow filtration device configured as described above is filtered for contaminants while the raw water (filtrate) supplied to the inlet passes through the filter bed layer, the filtered water (water) is discharged through the outlet.
- the upflow filtration apparatus by forming a filter medium layer in a plurality of layers, by placing a thick media of the fiber at the bottom and the media of the small thickness of the fiber in order to the top, contaminants Since the filtration step by step, the filtration efficiency is greatly improved, the filtration burden is greatly reduced.
- the upflow filtration device due to the deep filtration effect of the filter media of different fiber thickness, the filtration duration is longer and the backwash cycle is increased, so that the backwash water required for backwashing is less, and the backwashing result is reduced.
- the amount of discharged water generated can also be reduced.
- the upstream filtration device by operating the stirring device while supplying the backwash water containing air through the backwashing device to agitate the media by the stirring blade, it is easy to wash the contaminants attached to the media And surely done. Furthermore, it is possible to perform backwashing on the filter in a short time, which makes it possible to significantly reduce the cost and time for backwashing.
- FIG. 1 is a longitudinal sectional view schematically showing a first embodiment of an upflow filtration device according to the present invention.
- Figure 2 is a longitudinal sectional view schematically showing a second embodiment of the upflow filtration device according to the present invention.
- Figure 3 is a longitudinal sectional view schematically showing a third embodiment of the upflow filter apparatus according to the present invention.
- Figure 4 is a cross-sectional view showing a state in which the screen is coupled to the filtration tank in the third embodiment of the upflow filter apparatus according to the present invention.
- Fig. 5 is a longitudinal sectional view showing a state of backwashing in the third embodiment of the upflow filter apparatus according to the present invention.
- FIG. 6 is a longitudinal sectional view showing a fourth embodiment of the upflow filter apparatus according to the present invention.
- FIG. 7 is a longitudinal sectional view showing a fifth embodiment of the upflow filter apparatus according to the present invention.
- FIG. 8 is a longitudinal sectional view showing a sixth embodiment of the upflow filter apparatus according to the present invention.
- FIG. 9 is a cross-sectional view showing a sixth embodiment of the upflow filter apparatus according to the present invention.
- FIG. 10 is a longitudinal sectional view showing a seventh embodiment of the upflow filter apparatus according to the present invention.
- the first embodiment of the upflow filtration device according to the present invention as shown in Figure 1, the filtration tank 10, the filter medium layer 20, the screen 42, the stirring device 30, backwash Device 50.
- the filtration tank 10 is formed with an inlet 14 through which raw water (filtrate) flows into the lower end, and an outlet 16 through which filtered water (clean water) is discharged.
- raw water sewage
- filtered water water
- the filter medium layer 20 is installed in a plurality of layers inside the filtration tank 10.
- the filter media layer 20 is installed to fill about 1/2 to 2/3 of the entire internal space of the filtration tank 10.
- the media layer 20 is composed of a plurality of layers of fibrous media (for example, media made of synthetic fibers such as PP, PE or PET) having different thicknesses of fibers.
- fibrous media for example, media made of synthetic fibers such as PP, PE or PET
- the median layer 22 having a thick fiber is disposed at the lower portion of the median layer 20, and the median layer 26 having a small thickness of the fiber is disposed at an upper portion of the median layer. 24 is arranged.
- the thickness of the fibers constituting the media (22), (24), (26) is represented by denier (denier), for example, the media (22) located at the bottom is formed of 10 to 20 denier fibers And, the mediator 26 located in the uppermost part is formed from 1 to 5 denier fibers, and the mediator 24 located in the middle is formed from 6 to 10 denier fibers.
- contaminants may be gradually formed when raw water (sewage) passes upward. It is filtered and the filtration burden is greatly reduced. For example, large contaminants are filtered as they pass between the bottom layer media 22, and small contaminants are filtered as they pass between the media layer 26 at the top layer, so each layer of media is filtered. (22), (24) and (26) share the filtration function, greatly reducing the overall filtration burden.
- the specific gravity of the media (22), (24), (26) can also be configured differently by the thickness of the fibers (by denier).
- the specific gravity of the thick media 22 of the fibers located in the lower portion is large
- the specific gravity of the media 26 of the small thickness of the fibers located in the upper portion is small
- the thickness of the fibers located in the middle is medium
- the specific gravity of the filter medium 24 is preferably configured to have an intermediate value.
- the specific gravity of the media (22), (24), (26) is configured and arranged to decrease step by step from the bottom to the top, the media (22), (24), ( 26 are arranged in layers.
- the filter medium layer 20 is composed of two or more layers, preferably 2 to 5 layers.
- the media (22), (24), (26) can be formed and used in various three-dimensional shape, such as spherical shape, ellipsoidal shape, cube, rectangular parallelepiped, cross wing shape.
- the media (22), (24), and (26) are manufactured using a hydrophilic material, and when the surface is hydrophobic, the surface is coated with a hydrophilic material to effectively filter the contaminants. It is preferable because it consists of.
- the screen 42 is installed on the upper and lower surfaces of the media layer 20 to prevent the separation of the media (22), (24), (26).
- the screen 42 is formed with a plurality of fine holes to prevent the movement of the media (22), (24), (26) and to allow the movement of raw water (filtrate).
- the screen 42 is configured using a perforated plate, a porous plate, a mesh plate, or the like.
- the screen 42 is installed inside the filtration tank 10, the lower screen 42 is installed above a predetermined height from the position of the inlet 14, and the predetermined height from the position of the outlet 16 Install the upper screen 42 at the bottom.
- a screen 42 is disposed in the middle of the filter layer 20 so as to distinguish each layer of the filter layer 20.
- the stirring device 30 is provided with a rotating shaft 34 which is installed across the center of the filtration tank 10 up and down, and the inside of the filter medium layer 10, the filter medium (22), (24), (26) It comprises a plurality of rotary blades 36 installed on the rotary shaft 34 and the motor 32 for rotating the rotary shaft 34 to stir.
- the rotation shaft 34 receives the rotational force and rotates forward and backward.
- the rotary blades 36 are preferably disposed so as to be positioned to correspond to each layer of the media layer 20 so that the rotary blades 36 can stir the media 22, 24 and 26 effectively.
- the backwashing device 50 performs a function of backwashing by supplying backwash water into the media layer 20.
- the backwashing apparatus 50 is not particularly limited as long as it is known to those skilled in the art, and preferably, the ejector 52 which supplies a mixture of backwashing water and air, and the ejector 52. And a backwash water supply pipe 54 for injecting backwash water mixed with air to a plurality of points in the media layer 20.
- the raw water (sewage) supplied to the inlet 14 of the filtration tank 10 is located above the media layer 20. Filtration for the contaminants is made while passing through, and the filtered water (purified water) is discharged to the outside through the outlet (16).
- the backwashing device 50 is operated to wash the filter media 22, 24, and 26. Is done.
- the backwashing water is sprayed through the backwashing water supply pipe 54 toward the filter media 22, 24, and 26 to perform cleaning.
- the stirring device 30 is operated simultaneously with the backwashing device 50.
- the stirring blades 36 of the stirring device 30 are rotated forward and backward to stir the media 22, 24 and 26, so that the washing operation is easier. It is certainly done.
- the backwash may be configured to form a downflow, or may be configured to form an upflow.
- the backwashing water is formed so as to form a downflow, so the media 22, 24, and 26 are arranged to have a thicker thickness of the fibers in sequence, and thus, the media 22, 24, and 26 Emissions of contaminants that have been removed from are made easier.
- a left screw 33 and a right screw 35 are formed on the rotating shaft 34, and the screen 42 It is configured to be coupled to the left screw 33 or the right screw 35 of the rotary shaft 34 in a state in which rotation is constrained.
- the top screen 42 is coupled to the left screw 33 formed on the rotary shaft 34 above the top stirring blade 36, and the second screen 42 from the top is the top stirring blade 36. Coupled to the right hand screw 35 formed on the rotary shaft 34 between the intermediate stirring blade 36 and the second screen 42 from below, the rotary shaft between the intermediate stirring blade 36 and the lower stirring blade 36. It is coupled to the left screw 33 formed in the 34, the bottom screen 42 is configured to be coupled to the right screw 35 formed on the rotary shaft 34 below the bottom stirring blade 36.
- each screen 42 is installed so that the projections 48 of the outer circumferential surface are inserted into the grooves 18 formed on the inner surface of the filtration tank 10 so that the rotation is constrained so as not to rotate along the rotation shaft 34.
- the inclined sedimentation plate 60 is further provided in the lower portion of the media layer 20 of the filtration tank 10.
- the inclined sedimentation plate 60 is not particularly limited as long as it is a structure well known to those skilled in the art, the side plate is formed on a plurality of inclined sedimentation plate, water can pass through the side plate Multiple holes can be formed.
- the inclined sedimentation plate 60 When the inclined sedimentation plate 60 is installed as described above, the raw water (filtrate) flowing into the inlet 14 passes through the inclined sedimentation plate 60 before being introduced into the filter medium layer 20, and the precipitation is made. The effect of reducing the filtration burden is obtained.
- the screw 33 is formed in different stages at different pitches on the rotary shaft 34, and the screen 42 is restricted from rotation. It is configured to be coupled to each of the screws 33 of the rotary shaft 34 in the state.
- the top screen 42 is a screw 33 formed on the rotary shaft 34 above the top stirring blade 36 has a small pitch, and between the top stirring blade 36 and the intermediate stirring blade 36.
- the pitch of the screw 33 is configured to change the pitch in stages as described above, the distance that the screen 42 of each stage moves as the rotary shaft 34 rotates is different from each other, so that the rotation of the rotary shaft 34 As the rotation or reverse rotation, the gap between the screens 42 becomes narrow and then goes away.
- Each screen 42 is installed in the state that the outer peripheral surface is coupled to the screw 19 of the filtration tank (10).
- the screen 42 rotates as the rotating shaft 34 rotates, and moves up and down along the screw 19 of the filtration tank 10 of the screen 42.
- the screw 19 formed in the filtration tank 10 it is formed between the screen 42 to form the left and right screws alternately in steps of the screen 42 or to gradually increase the pitch of the screws in steps. It is preferable because the interval of can be changed.
- the upper screen 42 or the lower screen 42 can also be installed in a constrained state, and the intermediate screen 42 is installed in the middle. It is also possible to install only the screen 42 to be moved up and down.
- the screen 42 and the bottom screen 42 installed in the middle except for the top screen 42 are moved up and down. It further comprises a screen moving device 70 to.
- the screen moving device 70 is a cylinder 72 installed on the outside of the filtration tank 10 and a piston coupled to the cylinder 72 and the end of the rod is coupled to the bottom screen 42 ( 74 and a plurality of connecting bars 76 which connect the screen 42 installed in the middle except the top screen 42 and the bottom screen 42 to move together with each other.
- the connecting rod 76 is preferably arranged in a position that is symmetrical or divided at equal angles so that the screen 42 does not tilt to one side when the screen 42 moves up and down.
- the screen 42 positioned at the top is installed in a fixed position.
- the cylinder 72 is described as being installed on the bottom surface of the filtration tank 10.
- the cylinder 72 may be provided on the top surface of the filtration tank 10.
- the bottom screen 42 is installed in a fixed position, and the screen 42 in the middle and the top screen 42 are moved up and down at the same time.
- the screen moving device 70 is configured to move one or more screens 42.
- the connecting rod 76 is connected to two or more screens 42 to move together, and the piston 74 is connected to one of the screens 42 to which the connecting rod 76 is connected. Install so that the ends are connected.
- the connecting rod 76 is configured to connect the rod of the piston 74 so that the corresponding screen 42 is moved up and down.
- the embodiment of the upflow filtration device according to the present invention is not shown in the figure, it is also possible to install a mixing tank and agglomeration tank connected to the inlet 14 side.
- the embodiment of the upflow filter device according to the present invention configured as described above does not require large-scale drug mixing, flocculation paper, sedimentation basin, filter paper, there is no difficulty in securing a sewage treatment plant site, chemical treatment and precipitation, filtration It can be performed at high speed, is useful not only in large sewage treatment plants but also in wastewater treatment, and is also very useful in small sewage or wastewater treatment.
- residue to nutrients lower the of the concentration of phosphorus after the drug injection and mixing agglomeration process while passing through the wobble plate the particles precipitated with AlSO 4 or FeSO 4 form first and coarse particles to precipitate the remaining fine particles present in the effluent of sewage treatment plants is It can be collected by passing through the filter layer.
- the apparatus of the present invention can be used in water purification plants, can be applied to wastewater and wastewater treatment, and can also be used for desalination of seawater.
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Abstract
Provided is an upward flow filtration apparatus comprising: a filtration tank comprising an inlet for inflow of feed water (sewage) formed at a lower end and an outlet for the discharge of filtrated water (purified water) formed at an upper end which creates high filtration efficiency and allows backwash to be more easily and successfully carried out; media layers wherein media having different fiber thickness are arranged to form a plurality of layers, provided inside the filtration tank; a plurality of screens provided on upper and lower surfaces of the media layers for preventing separation of the media, on which a plurality of fine holes are formed; a stirring device comprising a rotation axis crossing the center of the filtration tank upwards and downwards, and a rotation wing provided in the rotation axis to stir the media, provided inside the media layers; and a backwash device for supplying backwash water into the media layers for carrying out backwash.
Description
본 발명은 상향류식 여과장치에 관한 것으로서, 보다 상세하게는 굵기가 서로 다른 섬유로 이루어진 여재를 복수의 층으로 설치하여 여과효율을 향상시킴은 물론 교반날개를 설치하여 역세척을 용이하고 확실하게 행하는 것이 가능한 상향류식 여과장치에 관한 것이다.The present invention relates to an upflow filtration apparatus, and more particularly, to install filtration media having different thicknesses in a plurality of layers to improve filtration efficiency, as well as to easily and reliably backwash by installing a stirring blade. It is possible to relate to an upflow filtration device.
생활용수와 산업용수를 생산하는 정수과정과 하수와 폐수를 처리하는 수처리 과정에서 물에 존재하는 입자성 오염물질을 제거하는 대표적인 공정이 여과이다.Filtration is a representative process to remove particulate contaminants present in water in the water purification process for producing domestic and industrial water and the water treatment process for sewage and wastewater.
예를 들면, 정수장에서는 약품(응집제)을 원수와 혼화(혼합), 교반하면서 원수에 포함된 오염물질(인산염 등)을 응집제와 반응시켜 고형체(플록(floc)) 형태로 석출 시킨 다음, 침전지로 옮겨 침전 과정을 거치고, 모래여과지에서 여과 과정을 거쳐 최종 정화 처리된 물을 용수로 활용한다.For example, in a water purification plant, chemicals (coagulants) are mixed (mixed) with raw water, and contaminants (phosphates, etc.) contained in the raw water are reacted with a coagulant while stirring to precipitate in the form of a solid (floc), and then settled. The sedimentation process is followed by filtration in the sand filter and the final purified water is used as water.
하수와 폐수처리장의 경우 생물학적 처리와 화학적 처리를 거친 물은 통상 모래여과지로 보내어지는데, 여과재층이 오염물질로 인하여 쉽게 폐색되어 이를 역세척하기 위하여 많은 시간과 비용이 소요된다.In the case of sewage and wastewater treatment plants, the biologically treated and chemically treated water is usually sent to sand filter papers, and the filter media layer is easily clogged by contaminants, which takes a lot of time and money to backwash it.
여과 속도를 높여 여과지 체적을 줄이고 여과과정에 포집된 이물질의 제거과정인 역세척을 효과적으로 수행할 수 있는 여과장치가 전반적인 수처리과정에서 요구되고 있다. There is a need for a filtration device that can efficiently perform backwashing, which is a process of removing the foreign matter trapped in the filtration process by increasing the filtration speed and reducing the volume of the filter paper.
대한민국 등록특허공보 제10-0519680호 및 제10-0406190호 등에는 종래 침전지에 비하여 상대적으로 적은 공간에 설치하는 것이 가능하고, 여과와 역세척을 용이하게 행하는 것이 가능한 여과조에 대한 기술이 공개되어 있다.Korean Patent Publication Nos. 10-0519680, 10-0406190, and the like disclose technologies for filtration tanks that can be installed in a relatively small space as compared to conventional sedimentation basins and that can easily perform filtration and backwashing. .
또 대한민국 등록실용신안공보 제20-0339212호에는 다층 여재를 이용하는 상향류 부상식 오폐수 처리장치에 대한 기술이 공개되어 있다.In addition, the Republic of Korea Registered Utility Model Publication No. 20-0339212 discloses a technology for upflow floating wastewater treatment device using a multi-layer media.
본 발명은 종래 용수 여과기 및 오폐수 처리장치의 기술을 바탕으로 좀더 높은 여과효율을 가지며 여재에 대한 역세척을 좀더 용이하고 확실하게 행하는 것이 가능한 상향류식 여과장치를 제공하는데 그 목적이 있다.An object of the present invention is to provide an upflow filtration apparatus having a higher filtration efficiency and more easily and reliably backwashing the media based on the technology of the conventional water filter and wastewater treatment apparatus.
본 발명이 제안하는 상향류식 여과장치는 하단부에 원수(오수)가 유입되는 유입구가 형성되고 상단부에 여과수(정수)가 배출되는 배출구가 형성되는 여과탱크와, 상기 여과탱크의 내부에 설치되며 섬유의 굵기가 다른 여재가 복수의 층을 이루며 배치되는 여재층과, 상기 여재층의 상면과 하면에 설치되어 여재의 이탈을 방지하며 다수의 미세한 구멍이 형성되는 복수의 스크린과, 상기 여과탱크의 중앙을 상하로 가로질러 설치되는 회전축과 상기 여재층 내부에 설치되어 여재를 교반하도록 상기 회전축에 설치되는 회전날개를 포함하는 교반장치와, 상기 여재층의 내부로 역세수를 공급하여 역세척을 행하는 역세장치를 포함하여 이루어진다.The upflow filtration device proposed by the present invention includes a filtration tank formed with an inlet through which raw water (sewage) is introduced at a lower end thereof, and an outlet through which filtered water (constant water) is discharged from an upper end thereof, and installed inside the filtration tank. The filter media layer having a different thickness of media formed in a plurality of layers, a plurality of screens installed on the upper and lower surfaces of the media layer to prevent separation of the media and forming a plurality of fine holes, and the center of the filtration tank A stirring device including a rotating shaft installed up and down and the rotating blade is installed in the filter medium layer and installed on the rotating shaft to stir the filter medium, and a backwashing apparatus for supplying backwash water to the inside of the filter medium layer to perform backwashing. It is made, including.
상기 여재층은 하부에는 비중이 상대적으로 크고 섬유의 굵기가 상대적으로 굵은 여재가 배치되고, 상부에는 비중이 상대적으로 작고 섬유의 굵기가 상대적으로 작은 여재가 배치되도록 구성한다.The median layer is configured such that media having a relatively high specific gravity and a relatively thick media are disposed at the bottom, and media having a relatively small specific gravity and a relatively small thickness of the fibers at the top.
상기 여재층은 2개 이상의 층으로 구성하며, 바람직하게는 2~5개의 층으로 구성하는 것이 좋다.The filter medium layer is composed of two or more layers, preferably two to five layers.
상기 여과탱크의 내부에는 상기 여재층의 섬유의 굵기가 다른 여재가 서로 혼합되지 않도록 구분하는 복수의 스크린을 여재층 내부를 가로질러 설치하는 것도 가능하다.It is also possible to install a plurality of screens across the inside of the filter layer to separate the filter media of different thicknesses of the fibers of the filter layer from each other inside the filter tank.
상기 교반장치는 모터와, 상기 모터의 회전력을 전달받아 회전하며 상기 여과탱크의 중앙을 상하로 가로질러 설치되는 회전축과, 상기 회전축에 일체로 설치되고 상기 여재층의 여재를 교반하도록 설치되는 복수의 회전날개를 포함하여 이루어진다.The stirring device includes a motor, a rotation shaft which is rotated by receiving the rotational force of the motor, and is installed to traverse the center of the filtration tank up and down, and is integrally installed on the rotation shaft and installed to stir the media of the media layer. It consists of a rotary wing.
상기 역세장치는 역세수와 공기를 혼합하여 공급하는 이젝터와, 상기 이젝터와 연결되고 상기 여재층 내부의 복수의 지점에 공기가 혼합된 역세수를 분사하는 역세수 공급관을 포함하여 이루어진다.The backwashing device includes an ejector for mixing and supplying backwash water and air, and a backwash water supply pipe connected to the ejector and spraying backwash water mixed with air to a plurality of points in the media layer.
그리고 본 발명에 따른 상향류식 여과장치는 상기 여과탱크의 내부 상기 여재층의 하부에 설치되고 다수의 경사침전판 또는 경사침전관을 더 포함하여 이루어지는 것도 가능하다.In addition, the upflow filtration device according to the present invention may be provided at a lower portion of the inner filter layer in the filtration tank and further include a plurality of inclined sedimentation plates or inclined sedimentation tubes.
상기와 같이 구성되는 본 발명에 따른 상향류식 여과장치는 유입구로 공급되는 원수(오수)가 여재층을 위쪽으로 통과하면서 오염물질에 대한 여과가 이루어지고, 여과수(정수)는 배출구를 통하여 배출된다.In the upflow filtration device according to the present invention configured as described above is filtered for contaminants while the raw water (filtrate) supplied to the inlet passes through the filter bed layer, the filtered water (water) is discharged through the outlet.
본 발명에 따른 상향류식 여과장치에 의하면, 여재층을 복수의 층으로 형성하면서 아래쪽에는 섬유의 굵기가 굵은 여재를 배치하고 위쪽으로 갈수록 섬유의 굵기가 작은 여재를 순차적으로 배치하는 것에 의하여, 오염물질을 단계적으로 여과하게 되므로, 여과효율이 크게 향상되고, 여과 부담이 크게 감소된다.According to the upflow filtration apparatus according to the present invention, by forming a filter medium layer in a plurality of layers, by placing a thick media of the fiber at the bottom and the media of the small thickness of the fiber in order to the top, contaminants Since the filtration step by step, the filtration efficiency is greatly improved, the filtration burden is greatly reduced.
그리고 본 발명에 따른 상향류식 여과장치에 의하면, 섬유의 굵기가 다른 여재층의 심층여과 효과에 의해 여과지속시간이 길어지고 역세척 주기가 늘어나면서 역세척에 필요한 역세척수의 소모가 적고 역세척 결과 발생하는 배출수 발생량도 줄어드는 효과를 얻을 수 있다.In addition, according to the upflow filtration device according to the present invention, due to the deep filtration effect of the filter media of different fiber thickness, the filtration duration is longer and the backwash cycle is increased, so that the backwash water required for backwashing is less, and the backwashing result is reduced. The amount of discharged water generated can also be reduced.
그리고 본 발명에 따른 상향류식 여과장치에 의하면, 역세장치를 통하여 공기가 포함된 역세수를 공급하면서 교반장치를 작동시켜 교반날개에 의하여 여재를 교반시키므로, 여재에 부착된 오염물질에 대한 세척이 용이하고 확실하게 이루어진다. 나아가 여재에 대한 역세척을 단시간에 수행하는 것이 가능하므로, 역세척에 따르는 비용과 시간을 현저히 줄이는 것이 가능하다.And according to the upstream filtration device according to the present invention, by operating the stirring device while supplying the backwash water containing air through the backwashing device to agitate the media by the stirring blade, it is easy to wash the contaminants attached to the media And surely done. Furthermore, it is possible to perform backwashing on the filter in a short time, which makes it possible to significantly reduce the cost and time for backwashing.
도 1은 본 발명에 따른 상향류식 여과장치의 제1실시예를 개략적으로 나타내는 종단면도이다.1 is a longitudinal sectional view schematically showing a first embodiment of an upflow filtration device according to the present invention.
도 2는 본 발명에 따른 상향류식 여과장치의 제2실시예를 개략적으로 나타내는 종단면도이다.Figure 2 is a longitudinal sectional view schematically showing a second embodiment of the upflow filtration device according to the present invention.
도 3은 본 발명에 따른 상향류식 여과장치의 제3실시예를 개략적으로 나타내는 종단면도이다.Figure 3 is a longitudinal sectional view schematically showing a third embodiment of the upflow filter apparatus according to the present invention.
도 4는 본 발명에 따른 상향류식 여과장치의 제3실시예에 있어서 여과탱크에 스크린이 결합된 상태를 나타내는 횡단면도이다.Figure 4 is a cross-sectional view showing a state in which the screen is coupled to the filtration tank in the third embodiment of the upflow filter apparatus according to the present invention.
도 5는 본 발명에 따른 상향류식 여과장치의 제3실시예에 있어서 역세척하는 상태를 나타내는 종단면도이다.Fig. 5 is a longitudinal sectional view showing a state of backwashing in the third embodiment of the upflow filter apparatus according to the present invention.
도 6은 본 발명에 따른 상향류식 여과장치의 제4실시예를 나타내는 종단면도이다.6 is a longitudinal sectional view showing a fourth embodiment of the upflow filter apparatus according to the present invention.
도 7은 본 발명에 따른 상향류식 여과장치의 제5실시예를 나타내는 종단면도이다.7 is a longitudinal sectional view showing a fifth embodiment of the upflow filter apparatus according to the present invention.
도 8은 본 발명에 따른 상향류식 여과장치의 제6실시예를 나타내는 종단면도이다.8 is a longitudinal sectional view showing a sixth embodiment of the upflow filter apparatus according to the present invention.
도 9는 본 발명에 따른 상향류식 여과장치의 제6실시예를 나타내는 횡단면도이다.9 is a cross-sectional view showing a sixth embodiment of the upflow filter apparatus according to the present invention.
도 10은 본 발명에 따른 상향류식 여과장치의 제7실시예를 나타내는 종단면도이다.10 is a longitudinal sectional view showing a seventh embodiment of the upflow filter apparatus according to the present invention.
* 도면 부호의 설명 *Explanation of Reference Numbers
10 - 여과탱크, 14 - 유입구, 16 - 배출구, 20 - 여재층, 22,24,26 - 여재10-filtration tank, 14-inlet, 16-outlet, 20-media bed, 22,24,26-media
30 - 교반장치, 32 - 모터, 34 - 회전축, 36 - 교반날개, 42 - 스크린30-Agitator, 32-Motor, 34-Shaft, 36-Agitator blades, 42-Screen
50 - 역세장치, 52 - 이젝터, 54 - 역세수 공급관, 60 - 경사침전판50-backwash, 52-ejector, 54-backwash, 60-gradient plate
70 - 스크린이동장치, 72 - 실린더, 74 - 피스톤, 76 - 연결막대70-screen shifter, 72-cylinder, 74-piston, 76-connecting rod
다음으로 본 발명에 따른 상향류식 여과장치의 바람직한 실시예를 도면을 참조하여 상세하게 설명한다.Next, a preferred embodiment of the upflow filtration device according to the present invention will be described in detail with reference to the drawings.
먼저 본 발명에 따른 상향류식 여과장치의 제1실시예는 도 1에 나타낸 바와 같이, 여과탱크(10)와, 여재층(20)과, 스크린(42)과, 교반장치(30)와, 역세장치(50)를 포함하여 이루어진다.First, the first embodiment of the upflow filtration device according to the present invention, as shown in Figure 1, the filtration tank 10, the filter medium layer 20, the screen 42, the stirring device 30, backwash Device 50.
상기 여과탱크(10)는 하단부에 원수(오수)가 유입되는 유입구(14)가 형성되고, 상단부에 여과수(정수)가 배출되는 배출구(16)가 형성된다.The filtration tank 10 is formed with an inlet 14 through which raw water (filtrate) flows into the lower end, and an outlet 16 through which filtered water (clean water) is discharged.
따라서 원수(오수)는 여과탱크(10) 하부의 유입구(14)로 유입된 다음, 상향으로 여과탱크(10) 내부를 통과하면서 오염물질에 대한 여과가 이루어진 여과수(정수)가 상부의 배출구(16)로 배출되는 상향류를 형성한다.Therefore, raw water (sewage) is introduced into the inlet 14 of the lower portion of the filtration tank 10, and then the filtered water (water), which is filtered for contaminants while passing upwardly through the filtration tank 10, the outlet 16 of the upper portion (16). To form an upward flow into ().
상기 여재층(20)은 상기 여과탱크(10)의 내부에 복수의 층으로 설치된다.The filter medium layer 20 is installed in a plurality of layers inside the filtration tank 10.
상기 여재층(20)은 상기 여과탱크(10)의 내부 공간 전체의 1/2 내지 2/3 정도 채워지도록 설치한다.The filter media layer 20 is installed to fill about 1/2 to 2/3 of the entire internal space of the filtration tank 10.
상기 여재층(20)은 섬유의 굵기가 다른 섬유질 여재(예를 들면 PP, PE 또는 PET 등의 합성섬유로 제조한 여재)가 복수의 층으로 배치되어 구성된다.The media layer 20 is composed of a plurality of layers of fibrous media (for example, media made of synthetic fibers such as PP, PE or PET) having different thicknesses of fibers.
예를 들면, 상기 여재층(20)의 하부에는 섬유의 굵기가 굵은 여재(22)가 배치되고, 상부에는 섬유의 굵기가 작은 여재(26)가 배치되며, 중간에서 섬유의 굵기가 중간인 여재(24)가 배치된다.For example, the median layer 22 having a thick fiber is disposed at the lower portion of the median layer 20, and the median layer 26 having a small thickness of the fiber is disposed at an upper portion of the median layer. 24 is arranged.
상기에서 여재(22), (24), (26)를 구성하는 섬유의 굵기는 데니어(denier)로 표시되며, 일례를 들자면 맨 하부에 위치하는 여재(22)는 10~20데니어의 섬유로 형성하고, 맨 상부에 위치하는 여재(26)는 1~5데니어의 섬유로 형성하고, 중간에 위치하는 여재(24)는 6~10데니어의 섬유로 형성한다.In the above, the thickness of the fibers constituting the media (22), (24), (26) is represented by denier (denier), for example, the media (22) located at the bottom is formed of 10 to 20 denier fibers And, the mediator 26 located in the uppermost part is formed from 1 to 5 denier fibers, and the mediator 24 located in the middle is formed from 6 to 10 denier fibers.
상기와 같이 여재층(20)을 섬유의 굵기가 다른 여재(22), (24), (26)를 층을 이루며 배치하게 되면, 원수(오수)가 상향류로 통과할 때에 오염물질이 단계적으로 여과되며, 여과부담이 크게 경감된다. 예를 들면, 크기가 큰 오염물질은 맨 아래층의 여재(22) 사이를 통과할 때에 여과되고, 크기가 작은 오염물질은 맨 위층의 여재(26) 사이를 통과할 때에 여과되므로, 각 층의 여재(22), (24), (26)가 여과 기능을 분담하여 전체적인 여과부담이 크게 경감된다.As described above, when the media layers 22, 24, and 26 having different thicknesses of fibers are arranged in layers, contaminants may be gradually formed when raw water (sewage) passes upward. It is filtered and the filtration burden is greatly reduced. For example, large contaminants are filtered as they pass between the bottom layer media 22, and small contaminants are filtered as they pass between the media layer 26 at the top layer, so each layer of media is filtered. (22), (24) and (26) share the filtration function, greatly reducing the overall filtration burden.
상기에서 섬유의 굵기별(데니어별)로 여재(22), (24), (26)의 비중을 서로 다르게 구성하는 것도 가능하다. 예를 들면, 하부에 위치하는 섬유의 굵기가 굵은 여재(22)의 비중은 크고, 상부에 위치하는 섬유의 굵기가 작은 여재(26)의 비중은 작고, 중간에 위치하는 섬유의 굵기가 중간인 여재(24)의 비중은 중간값을 갖도록 구성하는 것이 바람직하다.In the above, the specific gravity of the media (22), (24), (26) can also be configured differently by the thickness of the fibers (by denier). For example, the specific gravity of the thick media 22 of the fibers located in the lower portion is large, the specific gravity of the media 26 of the small thickness of the fibers located in the upper portion is small, the thickness of the fibers located in the middle is medium The specific gravity of the filter medium 24 is preferably configured to have an intermediate value.
상기와 같이 여재(22), (24), (26)의 비중을 하부로부터 상부로 갈수록 단계적으로 감소하도록 구성하여 배치하면, 자연스럽게 비중에 의하여 섬유의 굵기별로 여재(22), (24), (26)가 층을 이루며 배치된다.As described above, if the specific gravity of the media (22), (24), (26) is configured and arranged to decrease step by step from the bottom to the top, the media (22), (24), ( 26 are arranged in layers.
상기 여재층(20)은 2개 이상의 층으로 구성하며, 바람직하게는 2~5개의 층으로 구성하는 것이 좋다.The filter medium layer 20 is composed of two or more layers, preferably 2 to 5 layers.
상기 여재(22), (24), (26)는 구형, 타원구형, 정육면체, 직육면체, 십자날개형 등의 다양한 입체형상으로 형성하여 사용하는 것이 가능하다.The media (22), (24), (26) can be formed and used in various three-dimensional shape, such as spherical shape, ellipsoidal shape, cube, rectangular parallelepiped, cross wing shape.
상기 여재(22), (24), (26)는 친수성의 재질을 사용하여 제조하며, 표면이 소수성을 띠는 재질인 경우에는 친수성 물질로 표면을 코팅하여 사용하는 것이 오염물질에 대한 여과가 효율적으로 이루어지므로 바람직하다.The media (22), (24), and (26) are manufactured using a hydrophilic material, and when the surface is hydrophobic, the surface is coated with a hydrophilic material to effectively filter the contaminants. It is preferable because it consists of.
상기 스크린(42)은 상기 여재층(20)의 상면과 하면에 설치되어 여재(22), (24), (26)의 이탈을 방지한다.The screen 42 is installed on the upper and lower surfaces of the media layer 20 to prevent the separation of the media (22), (24), (26).
상기 스크린(42)에는 여재(22), (24), (26)의 이동은 방지하고 원수(오수)의 이동은 가능하도록 다수의 미세한 구멍을 형성한다.The screen 42 is formed with a plurality of fine holes to prevent the movement of the media (22), (24), (26) and to allow the movement of raw water (filtrate).
상기 스크린(42)은 타공판이나 다공질의 판재, 메시(mesh)형태의 판재 등을 이용하여 구성한다.The screen 42 is configured using a perforated plate, a porous plate, a mesh plate, or the like.
상기 스크린(42)은 여과탱크(10)의 내부에 설치되며, 상기 유입구(14)의 위치로부터 소정의 높이 위쪽에 하부 스크린(42)을 설치하고, 상기 배출구(16)의 위치로부터 소정의 높이 아래쪽에 상부 스크린(42)을 설치한다.The screen 42 is installed inside the filtration tank 10, the lower screen 42 is installed above a predetermined height from the position of the inlet 14, and the predetermined height from the position of the outlet 16 Install the upper screen 42 at the bottom.
본 발명에 따른 상향류식 여과장치의 제2실시예는 도 2에 나타낸 바와 같이, 여재층(20)의 각 층을 구분하도록 여재층(20) 중간에 스크린(42)을 설치한다.In the second embodiment of the upflow filtration device according to the present invention, as shown in FIG. 2, a screen 42 is disposed in the middle of the filter layer 20 so as to distinguish each layer of the filter layer 20.
예를 들면, 상기 여과탱크(10)의 내부에 상기 여재층(20)의 섬유의 굵기가 다른 여재(22), (24), (26)가 서로 혼합되지 않도록 구분하는 복수의 스크린(42)을 여재층(20) 내부를 가로질러 설치한다.For example, a plurality of screens 42 for separating the media 22, 24, and 26 having different thicknesses of the fibers of the media layer 20 into the filter tank 10 so as not to be mixed with each other. It is installed across the inner layer 20.
상기 교반장치(30)는 상기 여과탱크(10)의 중앙을 상하로 가로질러 설치되는 회전축(34)과, 상기 여재층(10) 내부에 설치되어 여재(22), (24), (26)를 교반하도록 상기 회전축(34)에 설치되는 복수의 회전날개(36)와, 상기 회전축(34)을 회전시키는 모터(32)를 포함하여 이루어진다.The stirring device 30 is provided with a rotating shaft 34 which is installed across the center of the filtration tank 10 up and down, and the inside of the filter medium layer 10, the filter medium (22), (24), (26) It comprises a plurality of rotary blades 36 installed on the rotary shaft 34 and the motor 32 for rotating the rotary shaft 34 to stir.
상기 모터(32)가 정역회전 함에 따라 상기 회전축(34)은 회전력을 전달받아 정역회전하게 된다.As the motor 32 rotates forward and backward, the rotation shaft 34 receives the rotational force and rotates forward and backward.
상기 회전날개(36)는 상기 여재층(20)의 각 층에 대응하여 하나씩 위치하도록 배치하여 설치하는 것이 효과적으로 여재(22), (24), (26)에 대한 교반을 행할 수 있으므로 바람직하다.The rotary blades 36 are preferably disposed so as to be positioned to correspond to each layer of the media layer 20 so that the rotary blades 36 can stir the media 22, 24 and 26 effectively.
상기 역세장치(50)는 상기 여재층(20)의 내부로 역세수를 공급하여 역세척을 행하는 기능을 수행한다.The backwashing device 50 performs a function of backwashing by supplying backwash water into the media layer 20.
상기 역세장치(50)는 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 알려진 것이면 특별한 제한은 없으나, 바람직하게는 역세수와 공기를 혼합하여 공급하는 이젝터(52)와, 상기 이젝터(52)와 연결되고 상기 여재층(20) 내부의 복수의 지점에 공기가 혼합된 역세수를 분사하는 역세수 공급관(54)을 포함하여 이루어진다.The backwashing apparatus 50 is not particularly limited as long as it is known to those skilled in the art, and preferably, the ejector 52 which supplies a mixture of backwashing water and air, and the ejector 52. And a backwash water supply pipe 54 for injecting backwash water mixed with air to a plurality of points in the media layer 20.
상기와 같이 구성되는 본 발명에 따른 상향류식 여과장치의 제1실시예 및 제2실시예는 상기 여과탱크(10)의 유입구(14)로 공급되는 원수(오수)가 여재층(20)을 위쪽으로 통과하면서 오염물질에 대한 여과가 이루어지고, 여과수(정수)는 배출구(16)를 통하여 외부로 배출된다.In the first and second embodiments of the upflow filtration apparatus according to the present invention configured as described above, the raw water (sewage) supplied to the inlet 14 of the filtration tank 10 is located above the media layer 20. Filtration for the contaminants is made while passing through, and the filtered water (purified water) is discharged to the outside through the outlet (16).
상기와 같은 여과 과정을 장시간 수행하여 여과효율이 급격하게 저하되거나 여재층(20)이 폐색되는 경우에는 상기 역세장치(50)를 작동시켜 여재(22), (24), (26)에 대한 세척을 행한다.When the filtration efficiency is drastically lowered by performing the filtration process as described above for a long time or when the filter medium layer 20 is blocked, the backwashing device 50 is operated to wash the filter media 22, 24, and 26. Is done.
상기 역세장치(50)를 작동시키게 되면, 역세수 공급관(54)을 통하여 역세수가 상기 여재(22), (24), (26)쪽으로 분사되어 세척을 행하게 된다.When the backwashing device 50 is operated, the backwashing water is sprayed through the backwashing water supply pipe 54 toward the filter media 22, 24, and 26 to perform cleaning.
상기에서 역세 과정에서는 상기 역세장치(50)와 동시에 상기 교반장치(30)를 작동시킨다.In the backwashing process, the stirring device 30 is operated simultaneously with the backwashing device 50.
따라서 역세수가 분사되어 세척을 행할 때에, 상기 교반장치(30)의 교반날개(36)가 정역회전하면서 상기 여재(22), (24), (26)를 교반시키게 되므로, 세척 작업이 보다 용이하고 확실하게 이루어진다.Therefore, when backwash water is sprayed and washed, the stirring blades 36 of the stirring device 30 are rotated forward and backward to stir the media 22, 24 and 26, so that the washing operation is easier. It is certainly done.
상기 역세수는 하향류를 형성하도록 구성하는 것도 가능하고, 상향류를 형성하도록 구성하는 것도 가능하다.The backwash may be configured to form a downflow, or may be configured to form an upflow.
일반적으로는 상기 역세수는 하향류를 형성하도록 구성하는 것이 섬유의 굵기가 순차적으로 굵게 여재(22), (24), (26)가 배치되므로, 여재(22), (24), (26)로부터 탈락한 오염물질의 배출이 좀더 용이하게 이루어지게 된다.In general, the backwashing water is formed so as to form a downflow, so the media 22, 24, and 26 are arranged to have a thicker thickness of the fibers in sequence, and thus, the media 22, 24, and 26 Emissions of contaminants that have been removed from are made easier.
그리고 본 발명에 따른 상향류식 여과장치의 제3실시예는 도 3 및 도 4에 나타낸 바와 같이, 상기 회전축(34)에 왼나사(33) 및 오른나사(35)를 형성하고, 상기 스크린(42)을 회전이 구속된 상태에서 회전축(34)의 왼나사(33) 또는 오른나사(35)에 각각 결합되도록 구성한다.In the third embodiment of the upflow filtration apparatus according to the present invention, a left screw 33 and a right screw 35 are formed on the rotating shaft 34, and the screen 42 It is configured to be coupled to the left screw 33 or the right screw 35 of the rotary shaft 34 in a state in which rotation is constrained.
예를 들면 맨 위의 스크린(42)은 맨 위 교반날개(36) 위쪽의 회전축(34)에 형성된 왼나사(33)와 결합되고, 위에서 2번째의 스크린(42)은 맨 위 교반날개(36)와 중간 교반날개(36) 사이의 회전축(34)에 형성된 오른나사(35)에 결합되고, 아래에서 2번째 스크린(42)은 중간 교반날개(36)와 맨 아래 교반날개(36) 사이의 회전축(34)에 형성된 왼나사(33)에 결합되고, 맨 아래의 스크린(42)은 맨 아래 교반날개(36) 아래쪽의 회전축(34)에 형성된 오른나사(35)에 결합되도록 구성한다.For example, the top screen 42 is coupled to the left screw 33 formed on the rotary shaft 34 above the top stirring blade 36, and the second screen 42 from the top is the top stirring blade 36. Coupled to the right hand screw 35 formed on the rotary shaft 34 between the intermediate stirring blade 36 and the second screen 42 from below, the rotary shaft between the intermediate stirring blade 36 and the lower stirring blade 36. It is coupled to the left screw 33 formed in the 34, the bottom screen 42 is configured to be coupled to the right screw 35 formed on the rotary shaft 34 below the bottom stirring blade 36.
그리고 각각의 스크린(42)은 여과탱크(10) 내면에 형성된 홈(18)에 외주면의 돌기(48)가 삽입되도록 설치하여 회전축(34)을 따라 회전하지 않도록 회전이 구속된 상태로 설치한다.In addition, each screen 42 is installed so that the projections 48 of the outer circumferential surface are inserted into the grooves 18 formed on the inner surface of the filtration tank 10 so that the rotation is constrained so as not to rotate along the rotation shaft 34.
상기와 같이 구성하게 되면, 회전축(34)이 정역회전을 함에 따라 스크린(42)의 상향 또는 하향으로 상하방향으로 왕복 이동하게 되고, 이웃하는 스크린(42) 사이의 간격이 멀어졌다가 가까워지는 상태를 반복(도 5에서 실선으로 표시한 상태와 이점쇄선으로 표시한 상태를 반복)하게 된다.In this configuration, as the rotating shaft 34 performs forward and reverse rotation, the screen 42 is reciprocated upward or downward in the up and down direction, and the distance between neighboring screens 42 becomes far and near. Is repeated (the state indicated by the solid line and the state indicated by the dashed line in FIG. 5) is repeated.
따라서, 도 5에 나타낸 바와 같이, 역세 과정에서 각 층의 여재(22), (24), (26) 사이의 간격이 넓어졌다가 좁아지는 조밀이 반복되므로, 교반날개(36)에 의한 교반작용과 함께 역세척 작업이 보다 효과적으로 이루어지는 효과가 얻어진다. 즉 각 층의 여재(22), (24), (26)는 상하좌우로 서로 움직이면서 충돌하는 확률이 크게 증가하고, 세척효과가 크게 증대된다.Therefore, as shown in FIG. 5, since the spacing between the media materials 22, 24, and 26 of each layer is widened and narrowed in the backwashing process, the stirring action by the stirring blade 36 is repeated. With this, the effect of more effective backwashing is obtained. In other words, the media (22), (24), (26) of each layer is moved up, down, left, and right while the collision probability is greatly increased, the cleaning effect is greatly increased.
아울러 여재(22), (24), (26)로부터 탈락된 오염물질을 배출도 보다 용이하게 이루어진다.In addition, it is also easier to discharge the pollutants removed from the media (22), (24), (26).
그리고 본 발명에 따른 상향류식 여과장치의 제4실시예는 도 6에 나타낸 바와 같이, 상기 여과탱크(10)의 내부 상기 여재층(20)의 하부에 경사침전판(60)을 더 설치한다.And the fourth embodiment of the upflow filtration device according to the present invention, as shown in Figure 6, the inclined sedimentation plate 60 is further provided in the lower portion of the media layer 20 of the filtration tank 10.
상기 경사침전판(60)은 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 널리 알려진 구조이면 특별한 제한은 없으며, 다수의 경사침전판에 측판을 형성하고, 측판에 물이 통과할 수 있는 다수의 구멍을 형성할 수 있다.The inclined sedimentation plate 60 is not particularly limited as long as it is a structure well known to those skilled in the art, the side plate is formed on a plurality of inclined sedimentation plate, water can pass through the side plate Multiple holes can be formed.
상기와 같이 경사침전판(60)을 설치하게 되면, 유입구(14)로 유입되는 원수(오수)가 여재층(20)으로 유입되기 전에 경사침전판(60)을 통과하면서 침전작용이 이루어지게 되고, 여과부담이 감소하는 효과가 얻어진다.When the inclined sedimentation plate 60 is installed as described above, the raw water (filtrate) flowing into the inlet 14 passes through the inclined sedimentation plate 60 before being introduced into the filter medium layer 20, and the precipitation is made. The effect of reducing the filtration burden is obtained.
경사침전판 대신 경사침전관을 설치하는 것도 가능한데, 경사침전관은 관을 여러 개 병렬 연결하여 비스듬하게 경사지도록 설치함으로써 상기 경사침전판과 같이 물이 관을 타고 상승하면서 물 속에 포함된 오염물질은 침전하게 되어 수처리 효율을 높일 수 있다.It is also possible to install an inclined sedimentation tube instead of an inclined sedimentation plate, and the inclined sedimentation tube is installed to be inclined obliquely by connecting several pipes in parallel so that the contaminants contained in the water as the inclined sedimentation plate rises through the tube. Precipitation can increase water treatment efficiency.
또한 상기 여재층(20)에 대한 역세척을 행할 때에 여재(22), (24), (26)로부터 탈락한 오염물질이 경사침전판(60)을 따라 아래쪽으로 수집되므로, 역세척된 오염물질의 배출이 보다 용이하게 이루어진다.In addition, since the contaminants dropped from the media (22), (24), and (26) are collected downward along the gradient settling plate (60) when the back washing of the media layer (20) is performed. The discharge of is made easier.
그리고 본 발명에 따른 상향류식 여과장치의 제5실시예는 도 7에 나타낸 바와 같이, 상기 회전축(34)에 다단으로 피치를 다르게 나사(33)를 형성하고, 상기 스크린(42)을 회전이 구속된 상태에서 회전축(34)의 나사(33)에 각각 결합되도록 구성한다.In the fifth embodiment of the upflow filtration apparatus according to the present invention, as shown in FIG. 7, the screw 33 is formed in different stages at different pitches on the rotary shaft 34, and the screen 42 is restricted from rotation. It is configured to be coupled to each of the screws 33 of the rotary shaft 34 in the state.
예를 들면 맨 위의 스크린(42)은 맨 위 교반날개(36) 위쪽의 회전축(34)에 형성된 나사(33)는 피치가 작고, 맨 위 교반날개(36)와 중간 교반날개(36) 사이의 회전축(34)에 형성된 나사(33), 중간 교반날개(36)와 맨 아래 교반날개(36) 사이의 회전축(34)에 형성된 나사(33), 맨 아래 교반날개(36) 아래쪽의 회전축(34)에 형성된 나사(33)로 점차 아래쪽으로 갈수록 피치가 커지도록 구성한다.For example, the top screen 42 is a screw 33 formed on the rotary shaft 34 above the top stirring blade 36 has a small pitch, and between the top stirring blade 36 and the intermediate stirring blade 36. The screw 33 formed on the rotary shaft 34 of the rotary shaft 34, the screw 33 formed on the rotary shaft 34 between the intermediate stirring blade 36 and the lower stirring blade 36, and the rotary shaft below the lower stirring blade 36 ( 34 is configured to increase the pitch toward the bottom gradually toward the screw 33 formed.
상기와 같이 나사(33)의 피치를 단계적으로 피치가 변화하도록 구성하게 되면, 회전축(34)이 회전함에 따라 각 단의 스크린(42)이 이동하는 거리가 서로 다르게 되므로, 회전축(34)의 정회전 또는 역회전함에 따라 스크린(42) 사이의 간격이 좁아졌다가 멀어지는 상태를 반복하게 된다.When the pitch of the screw 33 is configured to change the pitch in stages as described above, the distance that the screen 42 of each stage moves as the rotary shaft 34 rotates is different from each other, so that the rotation of the rotary shaft 34 As the rotation or reverse rotation, the gap between the screens 42 becomes narrow and then goes away.
그리고 본 발명에 따른 상향류식 여과장치의 제6실시예는 도 8 및 도 9에 나타낸 바와 같이, 상기 여과탱크(10)의 내면에 나사(19)를 형성하고, 상기 스크린(42)은 상기 회전축(34)과 함께 회전하도록 키(35) 등을 통하여 결합하여 구성한다.And a sixth embodiment of the upflow filtration device according to the present invention, as shown in Figures 8 and 9, forming a screw 19 on the inner surface of the filtration tank 10, the screen 42 is the rotating shaft Combination is made through the key 35 or the like so as to rotate together with the 34.
상기 각 스크린(42)은 상기 여과탱크(10)의 나사(19)에 외주면이 결합되는 상태로 설치한다.Each screen 42 is installed in the state that the outer peripheral surface is coupled to the screw 19 of the filtration tank (10).
상기와 같이 구성하게 되면, 회전축(34)이 회전함에 따라 스크린(42)이 회전하게 되고, 스크린(42)의 여과탱크(10)의 나사(19)를 따라 상하로 이동하게 된다.When configured as described above, the screen 42 rotates as the rotating shaft 34 rotates, and moves up and down along the screw 19 of the filtration tank 10 of the screen 42.
상기와 같이 회전축(34)이 회전함에 따라 스크린(42)이 회전하게 되면, 역세 공정에서 여재(22), (24), (26)의 회전이 와류를 형성하면서 보다 역동적으로 이루어지고, 여재(22), (24), (26)에 부착된 오염물질의 세척이 효과적으로 이루어진다.When the screen 42 rotates as the rotary shaft 34 rotates as described above, the rotation of the media 22, 24 and 26 in the backwashing process is more dynamic while forming a vortex, It is effective to clean the contaminants attached to 22), (24) and (26).
상기 여과탱크(10)에 형성되는 나사(19)의 경우에도, 스크린(42)의 단계별로 왼나사와 오른나사를 교대로 형성하거나 단계별로 나사의 피치를 점차 증가하도록 형성하는 것이 스크린(42) 사이의 간격을 변화시킬 수 있으므로 바람직하다.Also in the case of the screw 19 formed in the filtration tank 10, it is formed between the screen 42 to form the left and right screws alternately in steps of the screen 42 or to gradually increase the pitch of the screws in steps. It is preferable because the interval of can be changed.
상기한 제3실시예 및 제5실시예 내지 제6실시예에 있어서, 맨 위의 스크린(42) 또는 맨 아래의 스크린(42)을 상하이동이 구속된 상태로 설치하는 것도 가능하고, 중간에 설치되는 스크린(42)만 상하로 이동하게 설치하는 것도 가능하다.In the above-described third and fifth embodiments to sixth embodiments, the upper screen 42 or the lower screen 42 can also be installed in a constrained state, and the intermediate screen 42 is installed in the middle. It is also possible to install only the screen 42 to be moved up and down.
그리고 본 발명에 따른 상향류식 여과장치의 제7실시예는 도 10에 나타낸 바와 같이, 맨 위의 스크린(42)을 제외한 중간에 설치된 스크린(42)과 맨 아래의 스크린(42)을 상하로 이동시키는 스크린이동장치(70)를 더 포함한다.In the seventh embodiment of the upflow filtration device according to the present invention, as shown in FIG. 10, the screen 42 and the bottom screen 42 installed in the middle except for the top screen 42 are moved up and down. It further comprises a screen moving device 70 to.
상기 스크린이동장치(70)는 상기 여과탱크(10)의 외부에 설치되는 실린더(72)와, 상기 실린더(72)에 결합되고 맨 아래의 스크린(42)에 로드의 끝부분이 결합되는 피스톤(74)과, 맨 위의 스크린(42)을 제외하고 중간에 설치된 스크린(42)과 맨 아래의 스크린(42)을 서로 일체로 이동하도록 연결하는 복수의 연결막대(76)를 포함하여 이루어진다.The screen moving device 70 is a cylinder 72 installed on the outside of the filtration tank 10 and a piston coupled to the cylinder 72 and the end of the rod is coupled to the bottom screen 42 ( 74 and a plurality of connecting bars 76 which connect the screen 42 installed in the middle except the top screen 42 and the bottom screen 42 to move together with each other.
상기 연결막대(76)는 스크린(42)이 상하로 이동할 때에 한쪽으로 기울어지지 않도록, 대칭되는 위치 또는 등각도로 분할되는 위치에 배열하여 설치하는 것이 바람직하다.The connecting rod 76 is preferably arranged in a position that is symmetrical or divided at equal angles so that the screen 42 does not tilt to one side when the screen 42 moves up and down.
상기에서 맨 위에 위치하는 스크린(42)은 위치가 고정된 상태로 설치한다.The screen 42 positioned at the top is installed in a fixed position.
상기와 같이 스크린이동장치(70)를 설치하면, 맨 위의 스크린(42)을 제외한 나머지 스크린(42)이 이동함에 따라 여재(22), (24), (26) 사이의 간격에 변화가 발생하고, 보다 효과적인 역세가 이루어진다.When the screen moving device 70 is installed as described above, a change occurs in the interval between the media (22), (24), (26) as the remaining screen (42) except for the top screen 42 is moved. More effective backcountry.
상기에서는 실린더(72)를 여과탱크(10)의 저면쪽에 설치하는 것으로 설명하였지만, 실린더(72)를 여과탱크(10)의 상면쪽에 설치하는 것도 가능하다. 이 경우에는 맨 아래의 스크린(42)을 위치가 고정된 상태로 설치하고, 중간에 위치하는 스크린(42)과 맨 위의 스크린(42)이 동시에 상하로 이동하도록 구성한다.In the above description, the cylinder 72 is described as being installed on the bottom surface of the filtration tank 10. However, the cylinder 72 may be provided on the top surface of the filtration tank 10. In this case, the bottom screen 42 is installed in a fixed position, and the screen 42 in the middle and the top screen 42 are moved up and down at the same time.
상기 스크린이동장치(70)는 하나이상의 스크린(42)을 이동시키도록 구성한다. 예를 들면, 상기 연결막대(76)를 2개 이상의 스크린(42)이 함께 이동하도록 연결 설치하고, 상기 피스톤(74)을 상기 연결막대(76)가 연결 설치된 스크린(42) 중의 하나에 로드의 끝부분이 연결되도록 설치한다.The screen moving device 70 is configured to move one or more screens 42. For example, the connecting rod 76 is connected to two or more screens 42 to move together, and the piston 74 is connected to one of the screens 42 to which the connecting rod 76 is connected. Install so that the ends are connected.
상기에서 연결막대(76)를 어느 하나의 스크린(42)에만 연결하는 경우에는 연결막대(76)를 피스톤(74)의 로드와 연결하여 해당된 스크린(42)이 상하로 이동되도록 구성한다.In the case of connecting the connecting rod 76 to only one screen 42, the connecting rod 76 is configured to connect the rod of the piston 74 so that the corresponding screen 42 is moved up and down.
그리고 본 발명에 따른 상향류식 여과장치의 실시예는 도면에 나타내지 않았지만, 혼화조 및 응집조를 상기 유입구(14)쪽에 연결하여 설치하는 것도 가능하다.And although the embodiment of the upflow filtration device according to the present invention is not shown in the figure, it is also possible to install a mixing tank and agglomeration tank connected to the inlet 14 side.
상기와 같이 구성되는 본 발명에 따른 상향류식 여과장치의 실시예는 대규모의 약품 혼화, 응집지, 침전지, 여과지를 필요로 하지 않으므로, 하수처리장 부지 확보의 어려움이 없으며, 약품처리와 침전, 여과가 고속으로 수행될 수 있고, 대규모 하수처리장뿐만 아니라 폐수처리에도 유용하며, 소규모 하수 또는 폐수 처리에도 매우 유용하다. 특히 하폐수 처리장의 방류수내에 존재하는 잔류 영양염류중 인의 농도를 낮추기 위해 약품주입과 혼화응집과정을 거쳐 AlSO4 또는 FeSO4 형태로 석출된 입자를 경사판을 통과하면서 우선 조대입자가 침전하고 나머지 미세입자는 여과층을 거치면서 포집 제거시킬 수 있다.The embodiment of the upflow filter device according to the present invention configured as described above does not require large-scale drug mixing, flocculation paper, sedimentation basin, filter paper, there is no difficulty in securing a sewage treatment plant site, chemical treatment and precipitation, filtration It can be performed at high speed, is useful not only in large sewage treatment plants but also in wastewater treatment, and is also very useful in small sewage or wastewater treatment. In particular residue to nutrients lower the of the concentration of phosphorus after the drug injection and mixing agglomeration process while passing through the wobble plate the particles precipitated with AlSO 4 or FeSO 4 form first and coarse particles to precipitate the remaining fine particles present in the effluent of sewage treatment plants is It can be collected by passing through the filter layer.
상기에서는 본 발명에 따른 상향류식 여과장치의 바람직한 실시예에 대하여 설명하였지만, 본 발명은 이에 한정되는 것이 아니고 특허청구범위와 명세서 및 첨부한 도면의 범위 안에서 여러가지로 변형하여 실시하는 것이 가능하고, 이 또한 본 발명의 범위에 속한다.In the above, a preferred embodiment of the upflow filtration device according to the present invention has been described, but the present invention is not limited thereto. It belongs to the scope of the present invention.
본 발명의 장치는 정수장에서 이용 가능하고, 하, 폐수 처리에도 응용할 수 있으며, 해수의 담수화 등에도 이용할 수 있다.The apparatus of the present invention can be used in water purification plants, can be applied to wastewater and wastewater treatment, and can also be used for desalination of seawater.
Claims (12)
- 하단부에 원수(오수)가 유입되는 유입구가 형성되고 상단부에 여과수(정수)가 배출되는 배출구가 형성되는 여과탱크와,A filtration tank in which an inlet through which raw water (sewage) flows is formed at a lower end thereof, and an outlet through which filtered water (purified water) is discharged is formed at an upper end thereof;상기 여과탱크의 내부에 설치되며 섬유의 굵기가 다른 여재가 복수의 층을 이루며 배치되는 여재층과,A mediator layer installed inside the filtration tank and having media having different thicknesses and forming a plurality of layers;상기 여재층의 상면과 하면에 설치되어 여재의 이탈을 방지하며 다수의 미세한 구멍이 형성되는 복수의 스크린과,A plurality of screens installed on the upper and lower surfaces of the media layer to prevent separation of the media and forming a plurality of fine holes;상기 여과탱크의 중앙을 상하로 가로질러 설치되며 모터의 회전력을 전달받아 정역회전하는 회전축과 상기 여재층 내부에 설치되어 여재를 교반하도록 상기 회전축에 설치되는 회전날개를 포함하는 교반장치와,Is installed across the center of the filtration tank up and down and a stirring device including a rotating shaft which is rotated forward and backward to receive the rotational force of the motor and the rotating blade is installed in the filter layer to agitate the filter medium;상기 여재층의 내부로 역세수를 공급하여 역세척을 행하는 역세장치를 포함하는 상향류식 여과장치.An upflow filtration device including a backwashing device for supplying backwash water to the inside of the filter bed to perform backwashing.
- 청구항 1에 있어서,The method according to claim 1,상기 여재층은 하부에는 비중이 상대적으로 크고 섬유의 굵기가 상대적으로 굵은 여재가 배치되고, 상부로 갈수록 비중이 상대적으로 작고 섬유의 굵기가 상대적으로 작은 여재가 배치되여 구성되는 상향류식 여과장치.The media layer is a lower specific gravity and a relatively thick media of the media is disposed in the lower portion, the specific gravity is relatively small toward the upper portion of the upflow filter device consisting of a relatively small thickness of the fibers are arranged.
- 청구항 1 또는 청구항 2에 있어서,The method according to claim 1 or 2,상기 여재층은 2~5개의 층으로 구성하는 상향류식 여과장치.The media layer is an upflow filtration device composed of two to five layers.
- 청구항 1 또는 청구항 2에 있어서,The method according to claim 1 or 2,상기 여재층은 맨 하부층에 굵기가 10~20데니어인 섬유로 형성한 여재를 배치하고, 맨 상부층에 굵기가 1~5데니어인 섬유로 형성한 여재를 배치하고, 중간층에 굵기가 6~10데니어인 섬유로 형성한 여재를 배치하는 상향류식 여과장치.The median layer is a median formed of fibers of 10 to 20 deniers in the bottom layer, the median formed of fibers of 1 to 5 deniers in the top layer, and 6-10 deniers in the middle layer An upflow filtration device for arranging the media formed from phosphorus fibers.
- 청구항 1에 있어서,The method according to claim 1,상기 여과탱크의 내부에는 상기 여재층의 섬유의 굵기가 다른 여재가 서로 혼합되지 않도록 구분하는 복수의 스크린을 여재층 내부를 가로질러 설치하는 상향류식 여과장치.The inside of the filtration tank upflow filter device for installing a plurality of screens across the inside of the filter media layer so as not to mix the media of different media thickness of the filter media layer.
- 청구항 5에 있어서,The method according to claim 5,상기 회전축에 각 교반날개의 상부와 하부가 서로 다른 방향의 나사가 위치하도록 왼나사 및 오른나사를 배치하여 형성하고,The left and right screws are formed on the rotating shaft so that the upper and lower screws of the stirring blades are located in different directions.상기 여재층의 상부와 하부 및 중간에 설치되는 스크린을 회전이 구속된 상태에서 상기 회전축의 왼나사 또는 오른나사에 각각 결합되도록 구성하는 상향류식 여과장치.Upstream filtration apparatus configured to be coupled to the left or right screw of the rotary shaft in the state that the screen is installed in the upper and lower and the middle of the media layer is constrained rotation.
- 청구항 5에 있어서,The method according to claim 5,상기 회전축에 각 교반날개의 상부와 하부에 서로 피치가 다른 나사를 배치하여 형성하고,It is formed by placing screws with different pitches on the upper and lower portions of each stirring blade on the rotating shaft,상기 여재층의 상부와 하부 및 중간에 설치되는 스크린을 회전이 구속된 상태에서 상기 회전축의 나사에 각각 결합되도록 구성하는 상향류식 여과장치.Upstream filtration device configured to be coupled to the screw of the rotating shaft in the state that the screen is installed in the upper and lower and the middle of the media layer is constrained rotation.
- 청구항 5에 있어서,The method according to claim 5,상기 회전축의 각 교반날개 상부와 하부에 대응하는 위치의 상기 여과탱크 내면에 서로 다른 방향의 나사가 위치하도록 왼나사 및 오른나사를 배치하여 형성하고,The left and right screws are disposed on the inner surface of the filtration tank at the positions corresponding to the upper and lower portions of the stirring blades of the rotating shaft so that the left and right screws are disposed.상기 여재층의 상부와 하부 및 중간에 설치되는 스크린을 상기 회전축에 함께 회전하면서 미끄럼이동이 가능하도록 각각 결합하여 구성하는 상향류식 여과장치.Upstream filtration device is configured to combine each of the screen installed in the upper and lower and the middle of the media layer to allow sliding movement while rotating together on the rotating shaft.
- 청구항 5에 있어서,The method according to claim 5,상기 회전축의 각 교반날개 상부와 하부에 대응하는 위치의 상기 여과탱크 내면에 서로 다른 피치의 나사를 배치하여 형성하고,It is formed by placing screws of different pitches on the inner surface of the filtration tank at positions corresponding to the upper and lower portions of the stirring blades of the rotary shaft,상기 여재층의 상부와 하부 및 중간에 설치되는 스크린을 상기 회전축에 함께 회전하면서 미끄럼이동이 가능하도록 각각 결합하여 구성하는 상향류식 여과장치.Upstream filtration device is configured to combine each of the screen installed in the upper and lower and the middle of the media layer to allow sliding movement while rotating together on the rotating shaft.
- 청구항 5에 있어서,The method according to claim 5,상기 스크린 중 하나 이상의 스크린을 상하로 이동시키는 스크린이동장치를 더 포함하고,Further comprising a screen moving device for moving one or more of the screen up and down,상기 스크린이동장치는 상기 여과탱크의 외부에 설치되는 실린더와, 상하로 이동되는 스크린을 서로 일체로 이동하도록 연결하는 복수의 연결막대와, 상기 실린더에 결합되고 상기 연결막대로 연결된 스크린 중의 하나에 로드의 끝부분이 결합되는 피스톤을 포함하는 상향류식 여과장치.The screen moving device includes a cylinder installed on the outside of the filtration tank, a plurality of connecting rods for connecting the screens moved up and down integrally with each other, and a rod coupled to the cylinder and connected to the connecting rods. Upflow filter comprising a piston coupled to the end of the.
- 청구항 1에 있어서,The method according to claim 1,상기 역세장치는 역세수와 공기를 혼합하여 공급하는 이젝터와, 상기 이젝터와 연결되고 상기 여재층 내부의 복수의 지점에 공기가 혼합된 역세수를 분사하는 역세수 공급관을 포함하는 상향류식 여과장치.The backwashing apparatus includes an ejector for mixing and supplying backwashing water and air, and a backwashing water supply pipe connected to the ejector and spraying backwashing water mixed with air to a plurality of points in the media layer.
- 청구항 1에 있어서,The method according to claim 1,상기 여과탱크의 내부 상기 여재층의 하부에 설치되고 다수의 구멍이 형성되는 경사침전판을 더 포함하는 상향류식 여과장치.And an inclined sedimentation plate installed under the medial layer in the filtration tank and having a plurality of holes formed therein.
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Cited By (10)
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CN105477910A (en) * | 2015-11-30 | 2016-04-13 | 成都德善能科技有限公司 | Filter for oilfield flooding |
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CN113058317B (en) * | 2021-03-16 | 2023-10-27 | 河南汉永农业发展有限公司 | Automatic stirring and filtering device for starch |
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