CN104289029A - Water treatment facility - Google Patents

Water treatment facility Download PDF

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Publication number
CN104289029A
CN104289029A CN201410333207.0A CN201410333207A CN104289029A CN 104289029 A CN104289029 A CN 104289029A CN 201410333207 A CN201410333207 A CN 201410333207A CN 104289029 A CN104289029 A CN 104289029A
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CN
China
Prior art keywords
water
filter
sewage
filter module
module portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410333207.0A
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Chinese (zh)
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CN104289029B (en
Inventor
张英淑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAEYEONG CO Ltd
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TAEYEONG CO Ltd
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Filing date
Publication date
Application filed by TAEYEONG CO Ltd filed Critical TAEYEONG CO Ltd
Publication of CN104289029A publication Critical patent/CN104289029A/en
Application granted granted Critical
Publication of CN104289029B publication Critical patent/CN104289029B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/02Combinations of filters of different kinds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • B01D29/031Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting with corrugated, folded filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31Self-supporting filtering elements
    • B01D29/35Self-supporting filtering elements arranged for outward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/08Regeneration of the filter
    • B01D2201/081Regeneration of the filter using nozzles or suction devices
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters

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

Abstract

The present invention relates to a filter washing device for a water treatment facility and to a water treatment facility having same. The washing device comprises: a support holder fixed at the top of a cylindrical filter module unit so as to receive washing water, which is supplied from the outside, to the inside thereof in order to make the washing water pass therethrough; a water supply hub that is supported at the bottom of the support holder in order to be able to axially rotate and receives the washing water, which passes through the support holder, to the inside thereof; a hollow washing water spraying pipe that has a rear end fixed to the water supply hub and is extended to the outer circumferential side of each filter module unit; and multiple nozzles that are installed in the washing water spraying pipe so as to spray water, which is inserted in the washing water spraying pipe from the water supply hub by means of pressure, towards the filter module unit.

Description

Water processing establishment
The cross reference of associated documents
Application claims on July 15th, 2013 submit to, name is called that No. 10-2013-0083085th, the korean patent application of " water processing establishment (Water Treatment Facility) ", its full content are integrated with herein by reference.
Technical field
The present invention relates to a kind of water processing establishment.
Background technology
The various pollutants occurred in our surrounding environment are divided into point source pollutant and Non-point Source Pollutants.Point source pollutant is the pollutant emitted from so-called point pollution source, and this point pollution source is clear and definite in emission point, and has limited region.The example of point source pollutant respectively from the sanitary sewage of general family and plant emissions and trade effluent.Non-point Source Pollutants is from not easily identification and is generally in the pollutant of the pollution sources managing region (as agricultural land, pasture, forest and highway) significantly.
The example of Non-point Source Pollutants comprises fertilizer or is injected in the agricultural fungicides on agricultural land, waste material, dust and the heavy metal from animal feeding field, pathogenic microorganisms, organic chemical and radioactive material.These Non-point Source Pollutants exist with the form of dust and waste material when drying, then by rain-out in neighbouring river or infiltration ground.Therefore, the measure preventing initial rainwater from entering river or infiltrating in ground must be had.
For this purpose, the facility in order to reduce various Non-point Source Pollutants has recently been installed in new town or residential block newly developed or has been arranged on the region of severe contamination, to alleviate environmental pollution.These comprise water processing establishment in order to the facility reducing Non-point Source Pollutants.Water processing establishment allows initial rainwater and combined sewerage overflow (CSO) to pass, and filters out some pollutants be blended in rainwater thus, thus discharges the water filtered.
For the initial rainwater of process and the water processing establishment of combined sewerage overflow, in order to keep its highest handling property, need always to keep filter and filter medium effective.For this purpose, need to remove the various pollutants be absorbed in built-in mesh filters, as mud, crop rotation thing (alternations) and the soil intercepted and captured.
As for the filter arranged for water processing establishment and filter medium, registered Korean Patent the 0823240th discloses a kind of cleaning filtration equipment, this cleaning filtration equipment is configured so that multiple nozzle is arranged on the inner side and outer side of curtain formula filter securely, and clean water is ejected into this curtain formula filter from these nozzles.
These nozzles be longitudinally arranged in be arranged at curtain formula filter inner side and outer side pipeline on, and clean water is ejected into this curtain formula filter by them.The clean water of spraying from these nozzles impacts curtain formula filter, decomposes and remove to be deposited on curtain formula filter or the pollutant be blocked in curtain formula filter.
But the efficiency for the filter cleaning equipment of conventional water treatment facility can not meet factory and expect, so the water processing establishment that filter cleaning equipment is housed can not show gratifying effect in water treatment.
The principal element of low cleaning efficiency is limited effective spray regime of clean water.Effective spray regime refers to the scope having clean water that dirt is separated from filter by enough kinetic energy, that spray and can arrive.That is, it refers to the scope of clean water impact filter, and wherein clean water has enough kinetic energy and can collide filter with the part be separated from filter by dirt.
Can head it off by the expulsion pressure of the spray angle and nozzle that nozzle are arranged closely in as far as possible clean target front or pass through increase clean water.
The water yield around the nozzle of this filter arrangement is more, and cleaning effect is better.But the method has following defect: the production cost this method increasing water processing establishment, and increase the structure complexity around water processing establishment, this can cause difficult in maintenance.In addition, in this case, nozzle and clean water supply pipe may hinder drainage flow in water treatment procedure.
In addition, owing to needing to increase expulsion pressure and the quantity of the clean water of spraying, use a large amount of clean water and need higher compression pump.In addition, even if employ the pump of more high pressure, it is also difficult for enabling each nozzle spray clean water with significant expulsion pressure.
Summary of the invention
Thus, consider that above factor obtains the present invention, and the invention is intended to the water processing establishment proposing a kind of filter cleaning means for water processing establishment and this filter cleaning means is housed, wherein, this filter cleaning means comprises back flushing nozzle, and clean water is ejected into filter by these back flushing nozzles, rotates up around this filter simultaneously, make clean water can arrive the every nook and cranny of filter, thus improve cleaning filtration efficiency.Filter cleaning means guarantees the preferred filter condition for this filter, makes this filter good scrubbing performance can remove pollutant in sewage efficiently, and runs with good cost benefit.
For realizing object of the present invention, according to an aspect, provide a kind of filter cleaning means, comprising: box like structure, it has inner space; Pretreatment portion, it is arranged in the position in this structure, and filters out the pollutant in sewage, is flow to the sewage of this pretreatment portion through this pretreatment portion by water inlet pipe simultaneously; Inlet tube, it is arranged in the main treatment region separated with this pretreatment portion by barrier walls, and receives the sewage also upwards being flowed through guide wire by the filtration of this pretreatment portion; Filter module portion, its by allow sewage radially through and purify sewage of upwards flowing via the guiding diffuser be arranged on above this inlet tube, this filter module portion is by having different-diameter separately and coaxially arranged multiple filters form; Support plate, its supporting filter device module portion, and prevent the water filtered by filter module portion from flowing out through the lower end in strainer modules portion; Excretion weir plate, it is arranged in main treatment region, and the treated water be stored in main treatment region after passing radially through this filter module portion is discharged this structure by drainpipe; And filter cleaning means, it is backwash filter module portion when not using filter module portion, this filter cleaning means comprises: water supply cover, and it is arranged on the upper middle part in filter module portion in the mode of axial-rotation, receives the clean water of being supplied by outside and allows clean water to pass; Clean water playpipe, it has the rear end being fixed to water supply cover, and extends towards the outer surface of each filter; And multiple nozzle, it to be arranged on clean water playpipe and the water introduced in clean water playpipe will be forced to spray towards each filter.
This nozzle can be mounted to the rear side making its injection direction towards required direction of rotation, rotates under making clean water playpipe and water supply be enclosed within the reaction force of the expulsion pressure of the clean water of being sprayed by nozzle.
Clean water playpipe can comprise: one or more horizontal extension, and each horizontal extension has the rear end of inserting in water supply cover and being fixed to water supply cover, and extends along the radial direction in filter module portion above filter module portion; And vertical extension, it is parallel to the outer surface of respective filter and separates with the outer surface of respective filter, and is communicated with horizontal extension while of vertically extension, and wherein, in vertical extension and horizontal extension, is all provided with nozzle.
Pretreatment portion can comprise: the first handling part, and it is equipped with coarse net sieve, with the pollutant filtered out in sewage by allowing the sewage introduced via water inlet pipe to pass in a downward direction; And second handling part, it receives from its lower end, the sewage that filtered by this first handling part, and by allow sewage in the upward direction through and the pollutant that filters out in sewage.
This mesh screen can be formed by making the board member with predetermined thickness produce ripple, and this mesh screen has multiple through hole in bend, and sewage is through these through holes.
Filter module portion can comprise: curtain formula filter part, and it is have predetermined thickness cylindrical, is full of by fiber medium, receives the sewage that upwards flows through guiding diffuser and allows sewage radially to pass; And fine mesh filter, it is arranged on the outside of curtain formula filter part and allows the sewage filtered by curtain formula filter part radially to pass.
Support plate can have porus excretorius, the pollutant produced during backwash filter module portion is discharged by porus excretorius, switching device can be arranged on the bottom place of this support plate, and the water surface of this switching device in main treatment region reaches the predetermined water surface or opens this porus excretorius lower than moving down during the predetermined water surface, or the water surface in main treatment region closes this porus excretorius higher than moving up during the predetermined water surface.
Switching device can comprise: lid, and it is arranged on the lower end of this porus excretorius; Keg float, it is connected to this lid by connecting elements, and moves up and down according to the water surface; And scaffold, moving up and down of its guiding keg float.
Hole portion can be formed in the bottom of main treatment region, and pump can be arranged in this hole portion water is discharged this structure at the water surface lower than during excretion weir plate.
According to the present invention, filter cleaning means comprises clean water is ejected into filter and the back flushing nozzle rotated up around this filter.By this structure, clean water can arrive each corner of filter, thus improves cleaning efficiency.This makes this filter keep the filter condition of its optimum, can remove pollutant efficiently from sewage, and runs with good cost benefit.
Accompanying drawing explanation
From below in conjunction with the detailed description of accompanying drawing, will more clearly understand above and other objects of the present invention, Characteristics and advantages, in accompanying drawing:
Fig. 1 shows the in-built fragmentary perspective cross sectional view of water processing establishment according to an embodiment of the invention;
Fig. 2 shows the fragmentary perspective cross sectional view of the water processing establishment according to this embodiment variant;
Fig. 3 shows the side view of the part of primary treatment shown in Fig. 2 and secondary treatment part;
Fig. 4 shows the in-built schematic diagram in the primary treatment space of the water processing establishment according to the present embodiment;
Fig. 5 shows the stereogram of the cleaning filtration equipment for water processing establishment according to the present embodiment;
Fig. 6 depicts the plane of the operation of Fig. 5 middle filtrator cleaning equipment; And
Fig. 7 shows the sectional view of the main part of Fig. 5 middle filtrator cleaning equipment.
Detailed description of the invention
Referring now to accompanying drawing, wherein in all different accompanying drawings, same Reference numeral is in order to represent same or analogous parts.
Below, one embodiment of the present of invention are described in detail with reference to accompanying drawing.
Fig. 1 shows the fragmentary perspective cross sectional view of the internal structure of water processing establishment 11 according to an embodiment of the invention.
Water processing establishment 11 according to an embodiment of the invention is arranged on non-point source region, and is mainly used in effectively filtering and remove the Non-point Source Pollutants be blended in initial rainwater.The capacity of water processing establishment can change.In addition, because water processing establishment will purify the rainwater flow to along ground, the position that this water processing establishment is arranged on lower than ground makes rainwater easily to flow in water processing establishment.
As shown in Figure 1, water processing establishment 11 according to the present invention comprises: xoncrete structure 13, and it has inner space; Pretreatment portion, it is arranged on the precalculated position in xoncrete structure 13, and by allow sewage through and primary treatment introduces the sewage in xoncrete structure 13 via water inlet pipe 17; Filter module portion 39, is arranged in the main treatment region 67 separated by barrier walls 27 with this pretreatment portion, receive from downside, the sewage that filtered by pretreatment portion, and by allowing sewage to pass radially through and this sewage of secondary treatment; Excretion weir plate 53, it is outside that the water filtered through strainer modules portion 39 is discharged into xoncrete structure 13 by drainpipe 19 by it; And cleaning filtration equipment 51, it is cleaning and filtering module portion 39 when filter module portion 39 does not work.
Xoncrete structure 13 comprises the bottom that is arranged on and excavates passage and provides the bottom 13b in horizontal supporting face, is vertically mounted on the wall portion 13a of the edge of 13b bottom this and is arranged on the top (not shown) of upper end of this wall portion 13a.Sealing portion can be covered by soil.
In addition, as shown in fig. 1, bottom 13b has hole portion 13c and 13d at each side end place.Pump 15a and 15b is arranged in hole portion 13c and 13d respectively.After a while pump 15a and 15b can be described.
Through wall portion 13a and the water inlet pipe 17 extending up to xoncrete structure 13 inside is pipes for sewage being directed into xoncrete structure 13 inside.Term " sewage " comprises various sewage, comprises the initial rainwater comprising pollutant, sanitary sewage and waste water.
This pretreatment portion is made up of the first handling part 21 and the second handling part 29, and the first handling part 21 and the second handling part 29 are separated by barrier walls 25.This pretreatment portion has preliminary dimension or larger sized pollutant for screening out in the pollutant that is blended in sewage.
For this purpose, coarse net sieve 23 is equipped with in the inside of the first handling part 21.Coarse net sieve 23 is the basket-like member with inner idle space, and it screens out the various alloys introduced by water inlet pipe 17 with sewage.Various alloy comprises stub, fallen leaves, rubbish etc.
The inner space that coarse net sieve 23 is arranged on is the Vertical Channel of opening wide towards hole portion 13c, and the inner wall surface of this coarse net sieve 23 and the first handling part is spaced apart.Thus, though when coarse net sieve 23 also not cleaned and due to blocking pollutant and make water can't be excreted to outside smoothly time, sewage also can sieve the gap between the outer surface of 23 and this inner wall surface by coarse net and flow out.Thus, can not be occurred by the backflow phenomenon of water inlet pipe 17.
Water through this coarse net sieve flows downward in the below of barrier walls 25 and enters the second handling part 29.
Second handling part 29 is guided in the upward direction by being sieved 23 sewage filtered by coarse net, and filters out and be blended in pollutant relatively little in sewage.Second handling part 29 is equipped with three mesh screens 31.Each mesh screen 31 is the board members with multiple through hole (31a in Fig. 3).These three mesh screens are arranged along depth direction.
Mesh screen 31 makes stainless steel ripple by compression process and prepares.Through hole 31a is formed in the bend of ripple mesh screen 31.Mesh screen 31 has the through hole 31a of different size.
Such as, the through hole 31a in the mesh screen 31 of lowest part has maximum size, and the through hole 31a in the mesh screen 31 of highest point has minimum size.
The ripple of mesh screen 31 has the effect preventing through hole 31a from getting clogged.
Can change for the diameter of the through hole 31a of each mesh screen 31 and quantity, the quantity of mesh screen 31 also can change.Mesh screen 31 is made up of synthetic resin.
The pump 15 be arranged in hole portion 13c is arranged on the below of the first handling part 21 and the second handling part 29, sewage (such as when rainwater stops) in first handling part 21 and the second handling part 29 is pumped out xoncrete structure 13 by waste water outlet pipe 16b by pump 15, or goes out in order to the clean water pumping be trapped in the 13c of hole behind clean first handling part 21 and the second handling part 29 inside.
The water processed by the second handling part 29 flows through the weir plate 27a of the upper end being formed in barrier walls 27 to flow to main treatment region 67 by guide wire 33.
Guide wire 33 is vertical elongated shape pipes, and its reception is flow through the water of weir plate 27a and these water are directed into inlet tube 35.
Main treatment region 67 is water pots, and the water handled by filter module part 39 that will illustrate after a while is gathered in this water pot temporarily.Treated water in main treatment region 67 flows through excretion weir plate 53 to be excreted to outside by drainpipe 19.
Excretion weir plate 53 is the components treated water processed by main treatment region 67 being directed into drainpipe 19.Excretion weir plate 53 is fixed to the surface of the wall of main treatment region 67.
Excretion weir plate 53 is mounted to the upper end lower than the second fine mesh filter 45.That is, gap H is exceeded from the imaginary horizontal line of the upper end horizontal-extending of the second fine mesh filter 45 than the upper end of excretion weir plate 53.This is because excretion weir plate 53 successfully can be flow through with this understanding by the water of filter module part 39 filtration.Gap H changes according to the size of water processing establishment or required water treatment capacity.
The inside of main treatment region 67 is equipped with: inlet tube 35, and it is directed through the sewage that guide wire 33 is introduced in the horizontal direction, and has the extension be bent upwards; Guiding diffuser 37, it is fixed to the extension of this inlet tube 35; Support plate 49, it is fixed to the upper end of guiding diffuser 37, and filter module part 39 is bearing on support plate 49, and cleaning filtration equipment 51 is arranged on above filter module part 39, and backwash filter module section 39.
Guiding diffuser 37 is infundibulate components that lower end is fixed to water inlet pipe 35, and is the guiding device in order to the sewage introduced by inlet tube 35 to be directed into filter module part 39.The internal diameter of guiding diffuser 37 increases towards the upper end of guiding diffuser 37.Thus, the flow velocity of the sewage introduced by guiding diffuser 37 is reduced towards upper end, makes effluent stream still be in upper end, and prepares to be filtered by filter module part 39.
The support plate 49 being fixed to guiding diffuser 37 upper end is supporting members of supporting filter device module section 39 in the horizontal direction.The lower end of support plate 49 blocking filter module section 39, makes the radial direction along filter module part 39 flow and the sewage passed does not flow out by the lower end of filter module part 39.
The inner area comprising the space being positioned at space above guiding diffuser 37 and support plate 49 and the second fine mesh filter 45 inside is contraminated zone and clean pool with the outside area being different from this inner area respectively.Contraminated zone is the region storing the sewage not yet removed of pollutant and pollutant, and outside area is the region of storing cleaning water, i.e. treated water.
Support plate 49 is equipped with bleed valve (in Fig. 4 57) and has two porus excretoriuses (in Fig. 4 49a).Porus excretorius 49a is opened and closed by the switching device illustrated after a while.Porus excretorius 49a is unlimited during backwash filter module section 39.Porus excretorius 49a and bleed valve 57 is illustrated in greater detail after a while with reference to accompanying drawing 4.
Filter module part 39 is fixed to the upper surface of support plate 49.Filter module part 39 allows the sewage upwards flowed by guiding diffuser 37 radially to pass, and purifies waste water thus.
Filter module part 39 comprise there is predetermined thickness cylindrical shape curtain formula filter part 41, be arranged on the inner and cylindrical screens filter 47 worked as framework of this curtain formula filter part 41, the first fine mesh filter 43 being arranged on this curtain formula filter part 41 outside and be arranged on the second fine mesh filter 45 of the first fine mesh filter 43 outside.
Mesh filters 47, curtain formula filter part 41 and the first fine mesh filter 43 and the second fine mesh filter 45 have different diameters respectively, but their center is identical.That is, when viewed from the top, they are coaxially arranged.First fine mesh filter 43 is less than the size of curtain formula filter part 41 along the size in short transverse, and the second fine mesh filter 45 is less than the size of the first fine mesh filter 43 along the size in short transverse.
The structure that curtain formula filter part 41, first fine mesh filter 43 is different with the height of the second fine mesh filter 45 is designed to prevent filter blocks.That is, when abnormal the obstruction occurs filter 41,43 and 45, the first fine mesh filter 43 can be flow through from the water of curtain formula filter part 41 spilling and then flow through the second fine mesh filter 45, thus be excreted.
Fiber medium is arranged in curtain formula filter part 41.Fiber medium is made up of fiber, and in order to the pollutant in filter sewage.Fiber medium is made up of multiple fibrage, and multiple fibrage comprises such as spaced and from the most inboard to the high-density fiber medium of outermost arranged in sequence, medium density fiber medium and low-density fibre medium.The gross thickness of curtain formula filter part 41 is larger, and filter efficiency is higher.
First fine mesh filter 43 has the filter member than curtain formula filter part 41 more small grid opening.First fine mesh filter 43 filter out through curtain formula filter part 41 pollutant and allow water to pass.
Pollutant through the first fine mesh filter 43 is filtered by the second fine mesh filter 45.Second fine mesh filter 45 has the mesh openings thinner than the first fine mesh filter 43, and last filter contaminants.The water filtered out by the second fine mesh filter 45 is the substandard water of contained pollutant levels.Processed water is full of the main treatment region 67 being in outside, filter module portion 139, then flows through excretion weir plate 53, to be excreted to outside by tapping pipe 19.
Although sewage is processed by above-mentioned processing procedure, flow into if no longer include sewage because rain stops, the treated water stored in so main treatment region 67 can not flow through excretion weir plate 53.That is, processed hydropexis is in main treatment region 67.
By running the pump (in Figure 14 15b) be arranged in hole portion 13d, the clean water stored in main treatment region 67 discharges xoncrete structure 13 by clean water outflow pipe 16a.The process of being discharged water by pump 15b is continued until that bottom 13b exposes.
Cleaning filtration equipment 51 in order to backwash filter module section 39 is arranged on the top of filter module part 39.When main treatment region 67 is empty, cleaning filtration equipment 51 runs.That is, when rain stops or during arid season, cleaning filtration equipment 51 runs with cleaning and filtering module section 39.
Cleaning filtration equipment 51 is rotated by the reaction force of the expulsion pressure of the clean water by nozzle 51d and 51e injection, and the whole region thus clean water being ejected into filter module part 39 rotates around this filter module part 39 simultaneously.
Fig. 5 is the stereogram of the cleaning filtration equipment 51 for water processing establishment according to an embodiment, and Fig. 6 is the plane of the operation describing Fig. 5 middle filtrator cleaning equipment 51.Fig. 7 is the partial sectional view of the internal structure diagrammatically illustrating cleaning filtration equipment 51.
As shown in Figures 5 to 7, the cleaning filtration equipment 51 for water processing establishment 11 comprises: cylindrical bearing seat 51m, and it is fixed to the upper middle part of filter module part 39, and is communicated with clean water supply pipe 51a; Water supply cover (hub) 51f, it is connected to the bottom of supporting base 51m in axial revolvable mode; Multiple clean water playpipe 51n, it has the respective rear ends being fixed to water supply cover 51f, and extends longitudinally the inside of filter module part 39; And multiple nozzle 51e and 51d, it is arranged on clean water playpipe 51n.
Supporting base 51m is fixed by bearing support (not shown).The water supplied by clean water supply pipe 51a is downward through the linkage path in supporting base 51m.Supporting base 51m is that supporting water supply cover 51f makes water supply overlap 51f axially revolvable component.Hold-down nut 51k is used supporting base 51m to be fixed to the lower end of clean water supply pipe 51a.
Water supply cover 51f is the cup-shaped member with closed lower end, and the water flowing through supporting base 51m is directed into clean water playpipe 51n.
When water supply cover 51f support by supporting base 51m time, water supply overlap 51f can under the effect of external force axial-rotation.This external force is the reaction force of the expulsion pressure of the nozzle that will illustrate after a while.On demand carriage can be set between supporting base 51m and water supply cover 51f.
In this case, multiple cyclic lug 51t is formed on the outer surface of the lower end of supporting base 51m, and the support slot 51v in order to support any protuberance 51t is formed in the inner peripheral surface of water supply cover 51f.
Protuberance 51t has predetermined diameter and predetermined thickness.Protuberance 51t rotates along support slot 51v.The carriages such as such as bearing can be arranged in this support slot 51v on demand.
Clean water playpipe 51n comprises: horizontal extension 51b, and its rear end is connected to water supply cover 51f and overlaps 51f with water supply and is communicated with; Multiple vertical extension 51c, it vertically extends and is communicated with horizontal extension 51b; And multiple nozzle 51e and 51d, it is arranged in water extension 51b and vertical extension 51c.
Horizontal extension 51b is made up of two hollow tubes, and two hollow tubes extend in opposite direction and its rear end is fixed to water supply cover 51f.The horizontal extension 51b be positioned on the side of water supply cover 51f is longer than the horizontal extension 51b on opposite side.Relatively long horizontal extension 51b is configured to backwash second fine mesh filter 45, and relatively short horizontal extension 51b is configured to cleaning curtain formula filter-portion 41 and the first fine mesh filter 43.
Vertical extension 51c is the hollow tube being connected to horizontal extension 51b by T-connecting piece or elbow.As shown in Figure 4, vertical extension 51c extends towards support plate 49.
The horizontal extension be positioned on water supply cover 51f side is equal with the gross weight of the horizontal extension on opposite side and vertical extension with the gross weight of vertical extension, and this horizontal extension 51b is not tilted along a direction.That is, water supply cover 51f is used as center of gravity.
Nozzle 51e and 51d comprises the top nozzle 51e be arranged in horizontal extension 51b and the side nozzle 51d be arranged in each vertical extension 51c.
Clean water is ejected into the top of curtain formula filter part 41 by top nozzle 51e, rotates up around this filter part 41 according to the rotary motion of clean water playpipe 51n simultaneously.By this operation, clean water rinses out the pollutant adhering to fibrous filter media surface.
Side nozzle 51d is arranged in each vertical extension 51c and also sprays clean water in the horizontal direction.Quantity for the side nozzle 51d of each vertical extension 51c can change.
Because cleaning filtration equipment 51 reaction force by the expulsion pressure of clean water sprayed from top nozzle 51e and side nozzle 51d rotates, so the direction of the clean water of spraying from nozzle 51e and 51d will carefully set.
Such as, the clean water injection direction of these nozzles, towards the rear side of the direction of rotation of clean water playpipe 51n, makes cleaning filtration equipment 51 can rotate along the direction shown in the arrow S in Fig. 6.
Such as, as shown in Figure 6, nozzle 51e and 51d on clean water playpipe 51n is designed to spray clean water along the direction of arrow f.The clean water of spraying along the direction of arrow f can cause the reaction force of jet power, makes clean water playpipe 51n rotate along the direction of arrow s thus.In this case, naturally, the clean water of spraying clashes into filter module portion 39.
Along with clean water playpipe 51n rotates, top nozzle 51e Jet with downward flow direction clean water, the circumferential hoop simultaneously along curtain formula filter part 41 rotates up around curtain formula filter part 41.Thus, clean water can arrive the whole region of the upper end of curtain formula filter part 41, thus improves cleaning efficiency.
Clean water is ejected into the peripheral surface of curtain formula filter part 41 and the first fine mesh filter 43 and the second fine mesh filter 45 by side nozzle 51d, rinses out pollutant thus.In this way, rotate around curtain formula filter part 41 and the first fine mesh filter 43 and the second fine mesh filter 45 because some side nozzle 51d sprays clean water simultaneously, so the cleaned water slug in whole region of curtain formula filter part 41 and the first fine mesh filter 43 and the second fine mesh filter 45, thus cleaned.That is, by using a small amount of nozzle 51e and 51d, the whole region of each filter is cleaned by the clean water of same pressure.
The pollutant be separated from filter module portion 39 by filter cleaning means 51 is discharged by porus excretorius (in Fig. 4 49a).With reference to Fig. 4, this process is described after a while.
Fig. 2 is the fragmentary perspective cross sectional view of the water processing establishment of remodeling according to this embodiment, and Fig. 3 is the side view of the first processing section and the second processing section shown in Fig. 2.
In the drawings, identical Reference numeral represents the identical components with said function.
As shown in FIG., the pretreatment portion not hole portion of the water processing establishment 11 shown in Fig. 2.That is, the bottom surface of this pretreatment portion is concordant with the bottom 13b of main treatment region 67.
Discharge orifice 25a is formed in the bottom of barrier walls 25.Discharge orifice 25a is the path between the first cleaning section 21 and the second cleaning section 29.Discharge orifice 25a directs into the second handling part 29 by sieving 23 sewage filtered by coarse net.
Draining valve 55 is arranged on the bottom place of the barrier walls 27 limiting main treatment region 67.Draining valve 55 is can the automatic valve of Long-distance Control, and the first handling part 21 is communicated with main treatment region 67 with the inner space of the second handling part 29.
By main treatment region 67, the sewage stayed in the first handling part 21 and the second handling part 29 is transported to setting hole portion 13d on the opposite sides when draining valve 55 is in order to be empty when main treatment region 67.The sewage flowed in hole portion 13d excretes xoncrete structure 13 by pump 15b.
Fig. 4 shows the schematic diagram of the internal structure of main treatment region 67 in the water processing establishment according to an embodiment.
With reference to Fig. 4, main treatment region 67 is full of processed water w.Processed water w is the clean water having removed pollutant, and it obtains by sewage is passed radially through filter module portion 39.
When sewage flow through inlet tube 35 along the direction of arrow e and through filter module portion 39 time, the treated water of being filtered by filter module portion 39 flows through excretion weir plate 53 to drain.
Two porus excretorius 49a are formed in a part for support plate 49.Porus excretorius 49a is the through hole that through-thickness penetrates support plate 49, and is opened and closed by lid 59.
Lid 59 is parts of switching device, and this switching device cuts out porus excretorius 49a when the water of predetermined fluid level is stored in main treatment region 67 by moving up, and opens porus excretorius 49a when the water in main treatment region 67 is drained by moving down.
This switching device comprise the lower end being arranged on porus excretorius 49a lid 59, straight down extend and be fixed to lid 59 lower end connecting rod 61, be arranged on connecting rod 61 lower end keg float 63 and be installed to bottom 13b and guide the scaffold 65 that connecting rod 61 moves up and down.
Keg float 63 is the sealing cylinders being full of air.Keg float 63 by buoyancy by elevate a turnable ladder, upwards thrust cap 59.This lid is provided by the buoyancy of keg float 63 relative to the closing presure of porus excretorius 49a.
Reference numeral 49b represents in order to prevent the sealing of leaking.
Connecting rod 61 has predetermined cross section and is the axle vertically extended.Move up and down under the state that connecting rod 61 is fixed to keg float 63 in its underpart.The length of connecting rod 61 is configured to make lid 59 and porus excretorius 49a spaced apart when keg float 63 is moved down into and is positioned on the 13b of bottom after the 13b of bottom.
Scaffold 65 guides moving up and down of connecting rod 61 under its state being fixed to bottom 13b.As long as can realize this function, the shape of scaffold 65 just can carry out various change.
When the treated water in main treatment region 67 is in predetermined level or is higher, lid 59 closes porus excretorius 49a by the effect of keg float 63.When the liquid level step-down of the treated water w in main treatment region 67, lid 59 moves down and opens porus excretorius 49a.Lid 59 and porus excretorius 49a separate the design depending on switching device on which liquid level of treated water.
In any case as shown in Figure 4, when the treated water w flowing through filter module portion 39 flows continuously through excretion weir plate 53 to be displaced in drainpipe 19, lid 59 closes porus excretorius 49a, prevents the sewage in filter module portion 39 from mixing with treated water.
When rain stops and sewage no longer flows into, drain the treated water of liquid level lower than excretion weir plate 53 by process pump 15b.
When pump 15b runs, the liquid level of treated water little by little reduces.When treated water is reduced to predetermined level, keg float 63 starts to move down.Because keg float 63 moves down, porus excretorius 49a is opened.
When drainage procedure lasts till that bottom 13b exposes, keg float 63 is positioned on the 13b of bottom.That is, cover 59 and drop to extreme lower position.
When opening porus excretorius 49a, draining valve 57 and 58 is opened and the operation of pump 15b stops.Then, filter cleaning means 51 is run with cleaning and filtering module portion 39.Now, the pollutant be separated from filter module portion 39 flows into hole 13d by porus excretorius 49a.
After the process in backwash filter module portion 39 fully realizes, rerun pump 15b, the sewage of retrogradation in pipe 13d is drained completely by sewage effuser 16b.
By this process, main treatment region by 67 by preferential emptying.
In order to prepare water treatment after the rain, need close draining valve 57 and seal porus excretorius 49a.For this purpose, clean water is fed to main treatment region 67, makes keg float from bottom 13b by elevate a turnable ladder.When keg float 63 is floated by buoyancy, lid 59 starts to close porus excretorius 49a.
Although for the object illustrated discloses the preferred embodiments of the present invention, but those of ordinary skill in the art will be understood that, when not departing from disclosed in claims, scope and spirit of the present invention, can various amendment, increase and replacement be carried out.

Claims (9)

1. a water processing establishment, comprising:
Box like structure, described structure has inner space;
Pretreatment portion, described pretreatment portion is arranged in the position in described structure, and filters out the pollutant in sewage, is flow to the sewage of described pretreatment portion through described pretreatment portion by water inlet pipe simultaneously;
Inlet tube, described inlet tube is arranged in the main treatment region separated with described pretreatment portion by barrier walls, and receives the sewage also upwards being flowed through guide wire by described pretreatment portion filtration;
Filter module portion, described filter module portion by allow sewage radially through and purify the sewage that upwards flows via the guiding diffuser be arranged on above described inlet tube, described filter module portion is by having different-diameter separately and coaxially arranged multiple filters form;
Support plate, described support plate supports described filter module portion, and prevents the water filtered by described filter module portion from flowing out via the lower end in described filter module portion;
Excretion weir plate, described excretion weir plate is arranged in described main treatment region, and the treated water be stored in described main treatment region after passing radially through described filter module portion is discharged described structure by drainpipe; And
Filter cleaning means, described filter cleaning means is filter module portion described in backwash when not using described filter module portion, described filter cleaning means comprises: water supply cover, described water supply cover is arranged on the upper middle part in described filter module portion in the mode of axial-rotation, receive the clean water of being supplied by outside and allow clean water to pass; Clean water playpipe, described clean water playpipe has the rear end being fixed to described water supply cover, and extends towards the outer surface of each described filter; And multiple nozzle, described nozzle to be arranged on described clean water playpipe and the water introduced in described clean water playpipe will be forced to spray towards each filter.
2. water processing establishment as claimed in claim 1, it is characterized in that, described nozzle is installed into the rear side making its injection direction towards required direction of rotation, rotates under making described clean water playpipe and described water supply be enclosed within the reaction force of the expulsion pressure of the clean water of being sprayed by described nozzle.
3. water processing establishment as claimed in claim 1 or 2, it is characterized in that, described clean water playpipe comprises: one or more horizontal extension, each described horizontal extension has the rear end of inserting in described water supply cover and being fixed to described water supply cover, and extends along the radial direction in described filter module portion above described filter module portion; And vertical extension, described vertical extension is parallel to the outer surface of respective filter and separates with the outer surface of respective filter, and vertically extend and be communicated with described horizontal extension simultaneously, and wherein, in described vertical extension and described horizontal extension, described nozzle is all installed.
4. water processing establishment as claimed in claim 1, it is characterized in that, described pretreatment portion comprises: the first handling part, and described first handling part is equipped with coarse net sieve, with the pollutant filtered out in sewage by allowing the sewage introduced via described water inlet pipe to pass in a downward direction; And second handling part, described second handling part receives from its lower end, the sewage that filtered by described first handling part, and by allow sewage in upward direction through and the pollutant that filters out in sewage.
5. water processing establishment as claimed in claim 4, is characterized in that, described mesh screen is formed by making the board member with predetermined thickness produce ripple, and described mesh screen has multiple through hole in bend, and sewage is through described through hole.
6. water processing establishment as claimed in claim 1, it is characterized in that, described filter module portion comprises: curtain formula filter part, described curtain formula filter part is have predetermined thickness cylindrical, be full of by fiber medium, reception is upwards flow through the sewage of described guiding diffuser and is allowed sewage radially to pass; And fine mesh filter, described fine mesh filter is arranged on the outside of described curtain formula filter part and allows the sewage filtered by described curtain formula filter part radially to pass.
7. water processing establishment as claimed in claim 1, it is characterized in that, described support plate has porus excretorius, the pollutant produced during filter module portion described in backwash is discharged by described porus excretorius, wherein, switching device is arranged on the bottom place of described support plate, and wherein, the water surface of described switching device in described main treatment region reaches the predetermined water surface or opens described porus excretorius lower than moving down during the predetermined water surface, or the water surface in described main treatment region closes described porus excretorius higher than moving up during the predetermined water surface.
8. water processing establishment as claimed in claim 7, it is characterized in that, described switching device comprises: lid, and described lid is arranged on the lower end of described porus excretorius; Keg float, described keg float is connected to described lid by connecting elements, and moves up and down according to the water surface; And scaffold, described scaffold guides moving up and down of described keg float.
9. water processing establishment as claimed in claim 1, it is characterized in that, hole portion is formed in the bottom of main treatment region, and wherein, pump is arranged in the portion of described hole water is discharged described structure at the water surface lower than during described excretion weir plate.
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CN107321026A (en) * 2017-08-23 2017-11-07 梁杰锴 A kind of fish pond filter system
CN109095631A (en) * 2017-06-21 2018-12-28 P&I人类韩国有限公司 The mixing sewerage system overflow and non-point pollution source processing system of oil removal, phosphorus and heavy metal can be removed simultaneously
CN109999596A (en) * 2019-05-06 2019-07-12 温州富华安全设备有限公司 It is a kind of dry to throw the wet rubbish automatic cleaning apparatus except all-in-one machine
CN111346429A (en) * 2018-12-21 2020-06-30 P&I人类韩国有限公司 Water treatment facility
CN112789096A (en) * 2019-09-11 2021-05-11 株式会社Lg化学 Apparatus and method for cleaning metal filters

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CN104826374A (en) * 2015-05-08 2015-08-12 新疆一源节水设备有限公司 Self-washing micro-filter, integrated osmotic filtering machine, and micro-filtering device
CN109095631A (en) * 2017-06-21 2018-12-28 P&I人类韩国有限公司 The mixing sewerage system overflow and non-point pollution source processing system of oil removal, phosphorus and heavy metal can be removed simultaneously
CN109095631B (en) * 2017-06-21 2022-03-15 P&I人类韩国有限公司 Mixed sewer overflow and non-point pollution source treatment system capable of simultaneously removing suspended matters, phosphorus and heavy metals
CN107321026A (en) * 2017-08-23 2017-11-07 梁杰锴 A kind of fish pond filter system
CN111346429A (en) * 2018-12-21 2020-06-30 P&I人类韩国有限公司 Water treatment facility
CN109999596A (en) * 2019-05-06 2019-07-12 温州富华安全设备有限公司 It is a kind of dry to throw the wet rubbish automatic cleaning apparatus except all-in-one machine
CN112789096A (en) * 2019-09-11 2021-05-11 株式会社Lg化学 Apparatus and method for cleaning metal filters

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