CN105110507B - Drainage processing equipment is floated in a kind of self-cleaning - Google Patents
Drainage processing equipment is floated in a kind of self-cleaning Download PDFInfo
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Abstract
Drainage processing equipment is floated the invention discloses a kind of self-cleaning, including is divided into by vertical direction three layers from top to bottom：First layer is coagulating area, air flotation zone；The second layer is equipment arrangement area, self-cleaning storage area；Third layer is stable regulation area, filtering area and catchment.Drainage processing equipment is floated in self-cleaning of the present invention, self-cleaning process is fully achieved by own hardware configuration Reasonable Regulation And Control water inlet and production water, and the technical process such as coagulation, air supporting, filtering and stable sterilization can be completed in a set of equipment, can also overcome in the prior art it is complicated, take up an area the defects such as big, automatic control configuration is complicated, reliability is low and operation expense is high, with realize it is structure-integrated it is integrated, take up an area that small, automatic control configuration is simple, reliability is high and the low advantage of operation expense.
Description
Technical field
The present invention relates to water-treatment technology field, in particular it relates to which drainage processing equipment is floated in a kind of self-cleaning.
Background technology
In engineering of water treatment field, coagulation, air supporting and filtering are to apply very wide water treatment technology, and are generally connected
Use.Either in earth's surface Water purification engineering, in recycling sewage generated by making engineering, in landscape water circularly purifying processing engineering,
Or in reverse osmosis membrane Seawater Desalination Project, coagulation, air supporting and filtering technique have application widely.But, pass
The coagulation of system, air-float technology go out there is also being influenceed effluent quality fluctuation larger by the water quality impact load such as aqueous suspension, turbidity is entered
Water is uneven, easily short stream, easily heavy mud the problems such as.In addition, the integration of a variety of Airfloat filtering ponds combination occurred successively in recent years is new
The problem of although technique solve air supporting water outlet uniformity, but on entering the influence of the impact loads such as aqueous suspension, turbidity in design
Do not tackle good plan preferably above, can only rely in running and adjust the length of filter cycle ensure to go out under impact load
The stabilization of water water quality.Existing coagulation, Airfloat filtering pond group technology are connected the technique phase of isolated operation with coagulation, air supporting and filter tank
, robot control system(RCS) higher than equipment configratioin requirement is also increasingly complex.
Current existing Airfloat filtering pond group technology has, but is not limited to：
1. the Airfloat filtering pond technique that coagulation, air supporting+conventional rapid filter are combined into
2. the Airfloat filtering pond technique that coagulation, air supporting+V-type filter tank are combined into
3. the Airfloat filtering pond technique that coagulation, air supporting+movable Hood Filter are combined into
4. the Airfloat filtering pond technique that coagulation, air supporting+shutter filter are combined into
Existing Airfloat filtering pond technique has:The Airfloat filtering pond of traditional air supporting and conventional rapid filter combination, traditional air supporting and V-type
The Airfloat filtering pond of filter tank combination, the Airfloat filtering pond of traditional air supporting and movable Hood Filter combination, traditional air supporting and shutter filter combination
Airfloat filtering pond.Airfloat filtering pond technique due to by air supporting and filtering two kinds of process combinations together with, although spatially save
Take up an area, but be individually separated independent operating therewith and compare, related supporting electrical equipment quantity is not reduced, automatic control system
Also become increasingly complex, equipment investment and operation and maintenance cost are also higher.In addition, reply water inlet in concentration of suspension and turbidity
In terms of influence etc. water quality impact load, impact load can only be answered to producing water water quality by the length of filter cycle is adjusted
Influence.
During the present invention is realized, inventor find at least to exist in the prior art complicated, floor space it is big,
Reliability is low, automatic control configures the defects such as complicated and operation expense height.
The content of the invention
It is an object of the present invention in view of the above-mentioned problems, propose that drainage processing equipment is floated in a kind of self-cleaning, it is hard by itself
Part configuration Reasonable Regulation And Control water inlet and production water fully achieve the technique mistakes such as self-cleaning process, and coagulation, air supporting, filtering and sterilization stabilization
Journey can be completed in a set of equipment, to realize that structure-integrated integrated, the small, reliability of occupation of land is high, automatic control configuration is simple and runs
The low advantage of maintenance cost.
To achieve the above object, the technical solution adopted by the present invention is：A kind of floating drainage processing equipment of self-cleaning, including by
Vertical direction is divided into three layers from top to bottom：First layer is coagulating area, air flotation zone；The second layer is equipment arrangement area, self-cleaning
Storage area；Third layer is stable regulation area, filtering area and catchment.
Further, the coagulating area is made up of many lattice subregions；Air flotation zone is by middle air supporting air-water contact area, two
The gentle float assembly pool composition in flotation separation zone of side；
Coagulating area and air flotation zone bottom spoil disposal process：Coagulating area bottom sets discharge pipeline Psc1、Psc2、Psc3...,
Manual or/and automatic mud removing valve V is set on every discharge pipelinesc1、Vsc2、Vsc3..., it is ensured that the heavy mud in each lattice can be arranged
Go out；
The each Disengagement zone and gathering ground bottom of air flotation zone, which are evenly equipped with multiple buckets, each bucket, configures a perforation row
Mud pipe Psd1、Psd2、Psd3..., manual or/and automatic mud removing valve V is set on every perforated sludge discharge pipesd1、Vsd2、Vsd3……；Often
The spoil disposal house steward P of individual air flotation zonef1And Pf2Respectively with two scum pipe Pz1And Pz2Connection, and set respectively before access scum pipe
Two flowmeter Fs1And Fs2；The discharge pipeline P in coagulating areasc1、Psc2、Psc3... the row of each air flotation zone is respectively connected to nearby
Mud house steward Pf1And Pf2, access point must be before flowmeter.
Further, the self-cleaning storage area above and below filtering area with arranging, the form phase with Conventional gravity valveless filtering pool
Together, and immediately below air flotation zone, and self-cleaning storage area and UNICOM of stable regulation area are passed through；It is anti-that equipment arrangement area is arranged in coagulation
Answer in the middle of area and stable regulation area；
Continuous filtration process：Have and be pressed into water through water inlet manifold P straight up0Through total manually or automatically valve V of intaking0, stream
Gauge F0, pipe-line mixer, after deceleration water distribution threeway, be divided to two strands to enter first lattice in coagulating area 1, then sequentially flow through second
Lattice, the 3rd lattice ... and last lattice；
The dosing coagulant in pipe-line mixer, completes coagulant and the mixed process of water inlet；In coagulating area 1
Flocculation aid is selectively added in one lattice, and coagulating process is completed under agitator effect in every lattice；Place after coagulating
The air-water contact area that water enters air flotation zone centre position through tapering type water distribution closed conduit is managed, processing water is done after fully being contacted with dissolved air water
Upwards up-flow motion, air-water contact area upper strata again Disengagement zone from uniform divided flows to both sides, complete mud-water separation after clear water to
Under flow through Disengagement zone intermediate region installation water conservancy diversion inclined tube or swash plate, again bottom horizontal flow sheet collect in air flotation zone both sides distal lower portion
Gathering ground, air supporting produces two piece reverse-flow pressure bend pipes of the water through being installed on the lateral wall of two gathering grounds pond respectively to two filtering areas
Water distribution；Scum silica frost after mud-water separation is collected into air supporting under the scum machine effect that water surface top layer is installed by air flotation zone both sides top
The ash pit of area both sides distal upper, then through the corresponding scum pipe P of each scum troughz1And Pz2Discharge；
And/or,
The tapering type water distribution closed conduit, its cross-section of river is tapered on water distribution direction, it is ensured that flow velocity is uniform and stable；Its canal top
Water is crossed by equidimension rectangle to stitch to the water distribution of air-water contact area, it is ensured that alumen ustum is stable in even water distribution and water.
Water is produced respectively through the flowmeter F on two reverse-flow pressure bend pipe water distribution standpipes in air flotation zone1And F2, on water distribution transverse tube
Automatic regulating valve Vc1And Vc2, two-position three way automatic switch valve Va1And Va2Enter two filterings after two siphon bends again afterwards
Area, water inlet completes filter process after the deceleration of overboard baffle plate, then through filter material layer and supporting layer and water distribution bottom plate, and filtering production water is advanced
The self-cleaning storage area for entering the self-cleaning water distributing area below water distribution bottom plate, water channel being crossed through triangle into above filtering area, then through overflowing
Flow weir drop enter filtering area side close to stable regulation area storage；If necessary, disinfectant can be designed at downflow weir drop
Toss area, carry out disinfection stable processing after the immixture that drops to water after filter；Uniform filter, meets water distribution on water distribution bottom plate
Uniformity, and certain supporting role is played to filter material layer and supporting layer；Set respectively above the bottom plate of each self-cleaning water distributing area
Emptying pipe Psf1And Psf2, it is furnished with manually-operated gate V on each emptying pipesf1And Vsf2, emptying tube opening sets up separately to be let out in corresponding draining
Dead zone.
And/or,
The reverse-flow pressure bend pipe by water distribution standpipe, flowmeter, water distribution transverse tube, automatically adjust valve and two-position three way from
Dynamic controlled valve composition.
Further, the catchment by middle drain water seal area and both sides draining emptying district's groups into；
Automatic self-cleaning process：Water level in filtering area is in continuous filtration process because filter material layer constantly retains suspension
Thing, causes the increase of filtrate layer resistance, promotes the water level in siphon bend constantly to raise；When water level reaches the auxiliary siphon tube mouth of pipe
When, the water inlet of Partial filtration area falls to form air-extraction function from the auxiliary siphon tube automatically, so as to taking away the sky in siphon bend
Gas, gradually forms vacuum in siphon bend；When the vacuum in siphon bend reaches certain value, just occur siphonage,
Filtering production water in self-cleaning storage area carries out automatic backflushing from bottom to up back through filter material layer and supporting layer to filtrate
Wash, self-cleaning process automatic start；Waste water and whole waters of air flotation zone that self-cleaning process is produced, are discharged into certainly through siphon bend
Clean soil stack, into drain water seal area after arrange again outside overflow to the emptying area of both sides；Siphon bend and self-cleaning draining are vertical
The local pipeline section of pipe is provided with water level conditions in transparent pipe, field observation pipe；When the water level decreasing of self-cleaning storage area is broken to siphon
During the effect water level of bad device, air enters siphon bend through siphon destructive device, and vacuum environment and siphonage are destroyed, self-cleaning
Process is automatically stopped；Automatic self-cleaning process is completed, and system enters next work period；Two self-cleaning soil stacks again
Manually or automatically valve V is installed above end, drain water seal area design flood levelm1And Vm2, pass through the tune to its valve seat opening
Save to control back washing strength；
Force self-cleaning process：Such as need to carry out the filtrate of filtering area pressure backwash, first artificial intervention switching correspondence
Reverse-flow pressure bend pipe water distribution transverse tube on two-position three way automatic switch valve Va1Or Va2To the second valve position, control air flotation zone goes out
Water fully enters in self-cleaning soil stack and falls to form air-extraction function in full-section pipe-flow form, so as to taking away in siphon bend
Air, gradually forms vacuum in siphon bend；When the vacuum in siphon bend reaches certain value, just occur siphon and make
With the water after filter in self-cleaning storage area carries out pressure recoil from bottom to up back through filter material layer and supporting layer to filtrate
Wash, self-cleaning process is forced to start；Liquid level gauge L is set in self-cleaning storage area, it is a certain after force start self-cleaning process
Low liquid level set point, is controlled V through automatic linkagea1Or Va2Return to the first valve position；The waste water that self-cleaning process is produced, through rainbow
Inhale bend pipe and enter self-cleaning soil stack, be discharged into behind drain water seal area outside overflow again to the emptying area of both sides and arrange；When self-cleaning storage
When the water level decreasing in pool to siphon destructive device acts on water level, air enters in siphon bend, siphon bend through siphon destructive device
Vacuum environment and siphonage it is destroyed, self-cleaning process is automatically stopped；Self-cleaning process is forced to complete, system is entered down
One work period；Two self-cleaning soil stack ends, drain water seal area design flood level above install manually or/and
Automatically adjust valve Vm1And Vm2, by the regulation to its valve seat opening to coordinate force start self-cleaning process and control anti-
Backwash rate, it is ensured that whole waters of air flotation zone are fallen from the standpipe in full-section pipe-flow form.
And/or,
The self-cleaning soil stack is by soil stack and manually or/and automatically adjusts valve and constitutes.
Drainage processing equipment is floated in the self-cleaning of various embodiments of the present invention, due to including being divided into three from top to bottom by vertical direction
Layer：First layer is coagulating area, air flotation zone；The second layer is equipment arrangement area, self-cleaning storage area；Third layer is stable regulation
Area, filtering area and catchment；So as to overcome, complicated, occupation of land in the prior art is big, automatic control configuration is complicated, reliability is low
The high defect with maintenance cost, to realize that structure-integrated integrated, occupation of land is small, automatic control configuration is simple, reliability is high and safeguards into
This low advantage.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the external perspective structural representation that drainage processing equipment is floated in self-cleaning of the present invention；
Fig. 2 is the top view that drainage processing equipment is floated in self-cleaning of the present invention；
Fig. 3 is the front view that drainage processing equipment is floated in self-cleaning of the present invention；
Fig. 4 is the left view that drainage processing equipment is floated in self-cleaning of the present invention；
Fig. 5 is the right view that drainage processing equipment is floated in self-cleaning of the present invention；
Fig. 6 is Fig. 2 A-A views；
Fig. 7 is Fig. 6 B-B views；
Fig. 8 is Fig. 6 C-C views.
With reference to accompanying drawing, reference is as follows in the embodiment of the present invention：
1- coagulatings area；2- air flotation zones；3- equipment arranges area；4- self-cleanings storage area；5- stable regulations area；6- is filtered
Area；7- catchments；8- pipe-line mixers；9- deceleration water distribution threeways；The tapering type water distribution closed conduits of 10-；11- water conservancy diversion inclined tube or swash plate；
The reverse-flow pressure bend pipes of 12-；13- siphon bends；The overboard baffle plates of 14-；15- filter material layers and supporting layer；16- water distribution bottom plates；17- tri-
Water channel is crossed at angle；18- auxiliary siphon tubes；19- siphon destructive devices；20- self-cleaning soil stacks.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
According to embodiments of the present invention, drainage processing equipment is floated there is provided a kind of self-cleaning as Figure 1-Figure 8.
Coagulation, airfloat equipment and gravity valveless filter filter plant now are coupled into a kind of floating drainage processing of self-cleaning to set
It is standby.Each function divisions such as coagulating, air supporting, filtering, product water storage, the discharge of wastewater of the equipment were both independently separated, and were led to again
Crossing the natural UNICOM of rational water distribution system turns into an organic whole.The corollary equipment of equipment auxiliary is integrated with each function division
Arrangement, greatly reduces the construction investment of pipe-line system and distribution system, also allows for maintenance management；Water conservancy diversion is set up in air flotation zone
Inclined tube or swash plate play the same Cheng Zuoyong of cocurrent flow, air supporting precipitation to processing water, and effect carries out mud-water separation altogether, it is to avoid production water occur not
While uniform phenomenon, can also improve system capacity of resisting impact load, reinforcing mud-water separation effect, optimization air supporting producing water water quality,
Extend filter cycle；Air flotation zone uses reverse-flow pressure bend pipe constant flow uniform water distribution to filtering area, has both ensured the perseverance of air flotation zone
Water level runs and is avoided that the destroyed risk of siphon condition during self-cleaning；Retain gravity valveless filter gravity backwash
Function, the setting for saving pressure flusher and aux. pressure water system, produce water using the air flotation zone of the equipment in itself, pass through adverse current
The valve position switching of two-position three way automatic switch valve, declines to filtering area self-cleaning soil stack on formula pressure bend pipe water distribution transverse tube
Water, pumping, coordinate valve position control on soil stack, realize the function of force start self-cleaning process, also can be strong to backwash
Degree gives flexible control, and siphon pipe-line system is also simplified.
The device layout is compact, reasonable utilization space, saves and takes up an area；By the optimization to air supporting process producing water water quality, prolong
The work period of long filter process；Rational allocation air flotation zone to filtering area water distribution point, by the original rainbow of gravity valveless filter
Inhale pipe-line system to simplify, realize the complete self-cleaning process to filtering area；Equipment, instrument and automatic control system configuration are simple,
Investment and operation expense are low.The equipment can be in earth's surface Water purification, recycling sewage generated by making, landscape water circularly purifying, seawater
The water treatment field wide popularization and applications such as desalination pretreatment.
It is of the invention by functional areas such as coagulating, air supporting, filtering, self-cleaning water storage, stable regulation, discharge of wastewater and supporting
Equipment arrangement area be coupled into a kind of self-cleaning and float drainage processing equipment.Although each function division independence but the connecting portion in each area
Realize that nature is changed by different water distribution forms in position；Increase water conservancy diversion inclined tube in air flotation zone or swash plate is set, realize air supporting process
Cocurrent flow uniformly produced with journey water and to production water play auxiliary shallow layer precipitating act on；Air flotation zone uses reverse-flow pressure to filtering area
Set on bend pipe constant flow water distribution form, water distribution standpipe and automatic regulating valve is set on flowmeter, transverse tube, adjusted and controlled by PID
The constant water outlet in air flotation zone, the permanent liquid level of the constant water inlet of filtering area and indirect control air flotation zone；By to reverse-flow pressure bend pipe water distribution
Two-position three way automatic switch valve valve position switching on transverse tube, adjusts different water distribution points of the air flotation zone to filtering area, then coordinate siphon
Auxiliary tube and siphon destructive device, force flusher and aux. pressure water system just can realize automatic self-cleaning and artificial without setting
Force the dual purpose of self-cleaning；Self-cleaning process is completed by the gravity head effect of self-cleaning storage area, without setting phase
Close flushing water pump；Stable regulation area can not only be used for the intermediate regulations pond of filtering production water, can also be used as disinfection pool；Stable regulation area
With the space in the middle of coagulating area, corollary equipment (water circulating pump, air compressor machine, dissolved air water tank, the low-voltage distribution of correlation can be arranged
And switch board etc.) so that equipment each several part combination is more compact, reasonable.
Drainage processing equipment is floated the present invention relates to a kind of self-cleaning, the structures can divide three from top to bottom by vertical direction
Layer：First layer is coagulating area 1, air flotation zone 2；The second layer is equipment arrangement area 3, self-cleaning storage area 4；Third layer is stable
Regulatory region 5, filtering area 6 and catchment 7.Wherein, air flotation zone is separated by (air supporting) in middle (air supporting) air-water contact area, both sides
Area and (air supporting) gathering ground are constituted；Arranged above and below self-cleaning storage area and filtering area, the form phase with Conventional gravity valveless filtering pool
Together；Catchment by middle (draining) water seal area and both sides (draining) emptying district's groups into.
Continuous filtration process (normal operating condition)：Have and be pressed into water through water inlet manifold P straight up0It is manual through total water inlet
Or automatic valve V0, flowmeter F0, pipe-line mixer 8, after deceleration water distribution threeway 9, be divided to two strands to enter the first of coagulating area 1
Lattice, then sequentially flow through the second lattice, the 3rd lattice ... and last lattice.The dosing coagulant in pipe-line mixer 8, completes coagulant
With the mixed process of water inlet；Flocculation aid is selectively added in first lattice in coagulating area 1, and agitator is acted in every lattice
Lower completion coagulating process.Processing water after coagulating enters the gas in air flotation zone centre position through tapering type water distribution closed conduit 10
Water contact zone, processing water fully contacted with dissolved air water after do upwards up-flow move, air-water contact area upper strata again uniform divided flows to
The Disengagement zone of both sides, completes water conservancy diversion inclined tube or swash plate that the clear water after mud-water separation flows downwardly through the installation of Disengagement zone intermediate region
11st, bottom horizontal flow sheet collects in the gathering ground of air flotation zone both sides distal lower portion again, and air supporting produces water through on the lateral wall of two gathering grounds pond
The two reverse-flow pressure bend pipes 12 installed are respectively to two filtering area water distributions；Scum silica frost after mud-water separation passes through on water surface top layer
The ash pit of air flotation zone both sides distal upper is collected under the scum machine effect that air flotation zone both sides top is installed, then through each scum silica frost
The corresponding scum pipe P of groovez1And Pz2Discharge.Water is produced respectively through the stream on two reverse-flow water distribution standpipes of pressure bend pipe 12 in air flotation zone
Gauge F1And F2, automatic regulating valve V on water distribution transverse tubec1And Vc2, two-position three way automatic switch valve Va1And Va2Afterwards again through two rainbows
Inhale and enter two filtering areas 6 after bend pipe 13, intake after overboard baffle plate 14 slows down, then through filter material layer and supporting layer 15 and with the bottom
Plate 16 completes filter process, and filtering production water, which is introduced into the self-cleaning water distributing area of the lower section of water distribution bottom plate 16, cross water channel 17 through triangle enters
Enter the self-cleaning storage area 4 of the top of filtering area 6, then drop through downflow weir enter the side of filtering area 6 close to stable regulation area 5 store up
Deposit；Uniform filter, meets the uniformity of water distribution on water distribution bottom plate, and certain supporting role is played to filter material layer and supporting layer.
Emptying pipe P is set respectively above the bottom plate of each self-cleaning water distributing areasf1And Psf2, it is furnished with manually-operated gate V on each emptying pipesf1With
Vsf2, emptying tube opening sets up separately in corresponding draining emptying area.
Automatic self-cleaning process (filtering area automatic back-washing state)：Water level in a certain filtering area 6 is in continuous filtration process
In suspension is constantly retained due to filter material layer, cause the increase of filtrate layer resistance, promote the water level in siphon bend 13 constantly to rise
It is high；When water level reaches 18 mouth of pipe of auxiliary siphon tube, the water inlet of Partial filtration area falls to be formed from the auxiliary siphon tube automatically takes out
Gas is acted on, and so as to taking away the air in siphon bend, vacuum is gradually formed in siphon bend；When the vacuum in siphon bend
When reaching certain value, just occur the filtering in siphonage, self-cleaning storage area 4 and produce water from bottom to up back through filter material layer
With supporting layer 15, automatic backwash, self-cleaning process automatic start are carried out to filtrate；Waste water and air supporting that self-cleaning process is produced
Whole waters in area, self-cleaning soil stack 20 is discharged into through siphon bend 13, into drain water seal area after again overflow to both sides
Arranged outside emptying area；The local pipeline section of siphon bend and self-cleaning soil stack is provided with transparent pipe, can water level feelings in field observation pipe
Condition；When self-cleaning storage area water level decreasing to siphon destructive device 19 effect water level when, air enters rainbow through siphon destructive device
Bend pipe is inhaled, vacuum environment and siphonage are destroyed, and self-cleaning process is automatically stopped；Automatic self-cleaning process is completed, and system is entered
Enter to next work period.Hand is installed in two self-cleaning soil stack ends, drain water seal area design flood level tops again
Move or/and automatically adjust valve Vm1And Vm2, by the regulation to its valve seat opening to coordinate force start self-cleaning process and
The certain back washing strength of control.
Force self-cleaning process (the manual backwash state of filtering area)：Such as need that the filtrate of a certain filtering area 6 is carried out to force anti-
Rinse, artificial intervention switches the two-position three way automatic switch valve V on the corresponding reverse-flow water distribution transverse tube of pressure bend pipe 12 firsta1Or
Va2To the second valve position, control air flotation zone water outlet, which fully enters in self-cleaning soil stack 20 and falls to be formed in full-section pipe-flow form, takes out
Gas is acted on, and so as to taking away the air in siphon bend, vacuum is gradually formed in siphon bend；When the vacuum in siphon bend
When reaching certain value, just occur water after filter in siphonage, self-cleaning storage area 4 from bottom to up back through filter material layer and
Supporting layer 15, pressure backwash is carried out to filtrate, and self-cleaning process is forced to start；Liquid level gauge L is set in self-cleaning storage area,
A certain low liquid level set point (note after force start self-cleaning process：The set point forbids the effect water less than siphon destructive device
Position), controlled through automatic linkage by Va1Or Va2Return to the first valve position；The waste water that self-cleaning process is produced, enters through siphon bend 13
Enter self-cleaning soil stack 20, be discharged into behind drain water seal area outside overflow again to the emptying area of both sides and arrange；When self-cleaning storage area
When water level decreasing to siphon destructive device 19 acts on water level, air enters true in siphon bend, siphon bend through siphon destructive device
Altitude and siphonage are destroyed, and self-cleaning process is automatically stopped；Self-cleaning process is forced to complete, system enters next
Work period.Two self-cleaning soil stack ends, drain water seal area design flood level tops are installed and adjusted manually or/and automatically
Save valve Vm1And Vm2, by the regulation to its valve seat opening to coordinate force start self-cleaning process and the certain recoil of control
Intensity is washed, also can ensure that whole waters of air flotation zone are fallen from the standpipe in full-section pipe-flow form.Some filtering area of force start
Cheng Qian is crossed in self-cleaning, need to proofread the liquid level of self-cleaning storage area and should be in higher position, otherwise can not ensure enough from clear
Wash water head and scavenging period, should not start pressure self-cleaning process.
Coagulating area and air flotation zone bottom spoil disposal process (spoil disposal state)：The bottom of coagulating area 1 sets discharge pipeline Psc1、
Psc2、Psc3..., manual or/and automatic mud removing valve V is set on every discharge pipelinesc1、Vsc2、Vsc3..., it is ensured that in each lattice
Heavy mud can be discharged.The each Disengagement zone and gathering ground bottom of air flotation zone 2, which are evenly equipped with multiple buckets, each bucket, configures one
Perforated sludge discharge pipe Psd1、Psd2、Psd3..., manual or/and automatic mud removing valve V is set on every perforated sludge discharge pipesd1、Vsd2、
Vsd3…….The spoil disposal house steward P of each air flotation zonef1And Pf2Respectively with two scum pipe Pz1And Pz2Connection, and in access scum pipe
It is preceding that two flowmeter F are set respectivelys1And Fs2；The discharge pipeline P in coagulating areasc1、Psc2、Psc3... it is respectively connected to nearby each
The spoil disposal house steward P of air flotation zonef1And Pf2, access point must be before flowmeter.Under normal operating condition, above-mentioned each mud valve needs regular
Short time opens spoil disposal；Meanwhile, each discharge pipeline and mud valve also have the emptying effect to coagulating area and air flotation zone concurrently.
With unit cleared-out power 12000m3/ d self-cleaning float drainage processing equipment construction drawing be carry out exemplified by Fig. 1-Fig. 8 it is detailed
Thin explanation, explanation.
The capital equipment design parameter of the protection point one of technical solution of the present invention：
(1) unit design cleared-out power is not preferably greater than 12000m3/ d, design maximum inflow designs cleared-out power for unit
104%-107%.
(2) unit coagulating area hydraulic detention time is about 15min.The first lattice design water inlet flow velocity in coagulating area
About 0.7-0.8m/s.
(3) flow velocity in canal is designed in coagulating area to air flotation zone using tapering type water distribution closed conduit and UNICOM of air-water contact area
0.08-0.10m/s.And the water distribution closed conduit cross-section of river is tapered on water distribution direction, it is ensured that flow velocity is uniform and stable.
(4) tapering type water distribution closed conduit top is all provided with water distribution seam, designs seam flow velocity 0.08-0.10m/s, design seam it is long with it is tapered
Formula water distribution closed conduit is wide identical, slit width≤50mm.And cross the alum that water seam ensures to be formed in even water distribution, processing water for equidimension rectangle
Spend stabilization.
(5) it is air-water contact area in the middle of air flotation zone, design upflow velocity is 0.01-0.02m/s, above air-water contact area
Respectively to the uniform plug-flow water distribution in two Disengagement zone.
(6) design surface load in unit flotation separation zone is 15-20m3/m2H, divides 2 lattice, sets up separately in gas in the longitudinal direction
Water contact zone both sides.
(7) per the uniform water conservancy diversion inclined tube in lattice flotation separation zone centre position or swash plate, 60 degree of inclined tube or swash plate mounted angle, peace
Dress height is about 0.9m, and incline direction points to gathering ground.
(8) unit filtering area designs point 2 lattice on filtering velocity≤10m/h, elongatedness direction.The total length-width ratio of filtering area is about 2:1,
Single lattice length-width ratio is about 1:1.
(9) air flotation zone to filtering area uses reverse-flow pressure bend pipe water distribution, a pair of air flotation zone lattice and filtering area lattice 1
Should, design is about 0.9-1.0m/s with water flow velocity.And reverse-flow pressure bend pipe is by water distribution standpipe, flowmeter, water distribution transverse tube, automatic
Control valve and two-position three way automatic switch valve composition.
(10) filtering area configures a siphon bend per lattice, and self-cleaning design maximum flow velocity is about 2.4-2.5m/s；Filtering area
A self-cleaning soil stack is configured per lattice, it is about 3.0-3.1m/s to design overboard flow velocity.And self-cleaning soil stack is by draining
Standpipe and manually or/and automatically adjust valve composition.
Uniform filter on filtering area water distribution bottom plate, using filter water distribution, filter gap area is about with filter area ratio
1%-2.5%.
(12) filtering area uses gravity backwash mode, and the final loss of flood peak is about 1.7-2.0m；Filtrate expansion rate about 50%；
Average backwash rate about 15L/m2Under conditions of s, washing time about 5-8min.
(13) supporting layer thickness 50-100mm, grain size 2-4mm.
(14) homogeneous filtering material quartz sand particle size 0.5-1.0mm, floor height 0.9-1.0m, nonuniformity coefficient K80<2.0.Double-layer filter material
Quartz sand particle size 0.5-1.0mm, lower floor quartz sand floor height 0.6m, nonuniformity coefficient K80<2.0；Anthracite granule size 1.2-1.6mm,
Lower floor anthracite floor height 0.3-0.4m, nonuniformity coefficient K80<2.0。
(15) it is water seal area in the middle of catchment, both sides are emptying area；Water seal area design flood level is about 0.2m；Each emptying
Area sets an outer comb, and outer comb design current velocity is about 0.7-0.8m/s.
(16) stable regulation area hydraulic detention time is about 30min, and it is interior set deflector or partition wall, prevent short flow phenomenon from sending out
It is raw；The design form of deflector or partition wall must consider the supporting role to stable regulation area top plate.
(17) water outlet form in stable regulation area can require to select according to equipment flowsheet：1. overflow gravity water outlet is used；2. use
Water pump suction pressurization water outlet.
(18) equipment arrangement area's head room is not preferably less than 2.0m, and should meet the requirement of equipment installation and operation maintenance.
The two equipment control of the protection point of technical solution of the present invention and operation operating method：
(1) flowmeter F is installed on the water inlet manifold in coagulating area0, show total flow of inlet water Q0；In the total spoil disposal in air flotation zone
Flowmeter F is installed on pipes1And Fs2, show that total spoil disposal flow is respectively Qs1And Qs2.Participate in the permanent liquid level operation in air flotation zone, constant flow
What water outlet and filtering area constant flow were intake automatically controls.
(2) flowmeter F is respectively mounted on air flotation zone to the water distribution standpipe of two reverse-flow pressure bend pipes of filtering area1And F2,
Show that distributed water flow is respectively Q1And Q2；Automatic regulating valve V is respectively mounted on water distribution transverse tubec1、Vc2With two-position three way automatic switch
Valve Va1、Va2.Participate in automatically controlling for the permanent liquid level operation in air flotation zone, constant flow water outlet and the water inlet of filtering area constant flow.
(3) total flow of inlet water Q of coagulating Qu0, air flotation zone to two lattice distributed water flows of filtering area be respectively Q1And Q2, coagulation
The total spoil disposal flow of reaction zone and air flotation zone is respectively Qs1And Qs2.Under normal running (operation) conditions, pass through PID regulation controls Vc1And Vc2's
Aperture, makes Q1=Q2=0.5 [Q0-(Qs1+Qs2)-δ], wherein δ is through theory according to parameters such as water inlet concentration of suspension, chemical feeding quantities
The row's scum silica frost total amount calculated arranges the value for optimizing determination after the contrast of scum silica frost total amount empirical parameter, all flow lists with actual motion
Position is identical.
(4) two-position three way automatic switch valve V on the water distribution transverse tube of reverse-flow pressure bend pipe is switched by artificial interventiona1Or Va2
To the second valve position, control air flotation zone water outlet fully enter in self-cleaning soil stack it is overboard, pumping, force start filtering area from
Cleaning process；Liquid level gauge L is set in self-cleaning storage area, a certain low liquid level set point after force start self-cleaning process, warp
Automatic linkage is controlled Va1Or Va2The first valve position is returned to, is to prepare next cycle of operation.
(5) valve V is installed manually or/and automatically adjusted in self-cleaning soil stack endm1And Vm2, by controlling the hand-operated valve
1. the aperture of door to coordinate force start self-cleaning process；2. self-cleaning intensity is adjusted；3. ensure filtering area all water inlet with
Full-section pipe-flow form is overboard from self-cleaning soil stack, pumping, to siphon bend formation vacuum action.
The advantage of technical solution of the present invention is derived with inference mode：
(1) coagulating area uses the tapering type water distribution closed conduit 10 of the cross-section of river to air flotation zone water distribution, and canal top is all provided with water distribution seam,
Not only the uniformity of water distribution had been met but also had met suitably with water flow velocity, ensures the stability of alumen ustum.
(2) the setting for increasing water conservancy diversion inclined tube or swash plate 11 in flotation separation zone intermediate region both can ensure that air supporting process was handled
The same Cheng Zuoyong of cocurrent flow of water, prevent air supporting produce the short stream of water, and to air supporting produce water play auxiliary shallow layer precipitating in the same direction act on, in gas
Float and precipitate the dual lower raising capacity of resisting impact load of mud-water separation effect, optimization producing water water quality.
(3) the lattice completion of flotation separation zone is rationally utilized to two lattice uniform water distributions of filtering area.
(4) air flotation zone uses the continuous water distribution of reverse-flow pressure bend pipe 12 to filtering area, both can ensure that air flotation zone level stability,
The siphon condition during filtering area self-cleaning can be prevented effectively from again to be destroyed.
(5) flowmeter is installed on the water distribution standpipe of reverse-flow pressure bend pipe 12, it can be ensured that the work bar of flowmeter well
Part；The autocontrol valve installed on the water distribution transverse tube of reverse-flow pressure bend pipe 12 can be adjusted according to flow feedback signal by PID
The water flow for saving stability contorting air flotation zone is constant, the operation constant liquid level of indirect control air flotation zone；In reverse-flow pressure bend pipe
Two-position three way automatic switch valve is installed, it can be ensured that air supporting outlet pipeline remains unobstructed, it is to avoid air supporting on 12 water distribution transverse tube
Area is by the not smooth caused full water overflow risk of water outlet.
(6) air flotation zone water outlet is forcibly introduced into overboard, pumping in the self-cleaning soil stack 20 of filtering area by artificial intervention,
Forced back washing is carried out to filter tank, the setting of supporting pressure flusher and aux. pressure water system can be saved.
(7) overflow water outlet in self-cleaning storage area is directly dropped into stable regulation area, saves relevant connection pipeline；The drop
Region can as disinfectant toss area, be conducive to mixing and disinfection reactions process.
(8) compared with being designed with Conventional gravity formula valveless filtering pool catchment, the self-cleaning draining of the equipment is in the middle of catchment
The overflow of water seal area is to the emptying area of both sides, and water seal area designs flood level and changes smaller, and emptying area drain pipe diameter is smaller.
(9) the design maximum caliber of the coordinative composition of equipments pipe-line system is DN600.In highly corrosive engineering of water treatment field, such as
The water treatment fields such as reverse osmosis membrane seawater desalinization pretreatment, the purified treatment of seawater or bittern, industrial wastewater regeneration, can
All it is designed using the pipeline of UPVC materials, plays bigger technology, economic advantages.
(10) the reasonable utilization space of the equipment；Corollary equipment is simple, compact in design；Save and take up an area and construction investment；It is easy to dimension
Pillar is managed；Operating cost is low.
Although the equipment automatic control system (including：Flowmeter, automatic valve, liquid level gauge etc.) configure simple, but
Be by with siphon piping system (including：Siphon bend 13, auxiliary siphon tube 18, siphon destructive device 19, self-cleaning soil stack
20 etc.) ingenious fusion so that the characteristics of equipment is provided with " robot control system(RCS) configuration is simple, automaticity is higher ", can be achieved
It is unattended.
For technical scheme, if there is other alternative solution equally to complete goal of the invention
(1) air flotation zone can use two automatic switch, two valves to the two-position three way automatic switch valve on filtering area water distribution transverse tube
Substitute.
(2) the total water intaking valves of coagulating Qu can both use manually-operated gate, can also use automatic valve.
(3) the mud valve of coagulating area and air flotation zone can both use manually-operated gate, can also use automatic valve.If adopted
With automatic valve, fast-open type valve must be used.
(4) the automatic valve used in the equipment can be electrically operated valve, or operated pneumatic valve.
(5) the liquid level gauge installed in self-cleaning storage area can also be replaced with liquid-level switch.
System UPVC materials pipeline can be replaced with other materials pipeline, such as stainless steel pipeline, glass steel material pipeline,
PE material pipelines etc..
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (3)
1. drainage processing equipment is floated in a kind of self-cleaning, it is characterised in that including being divided into three layers from top to bottom by vertical direction：First
Floor is coagulating area, air flotation zone；The second layer is equipment arrangement area, self-cleaning storage area；Third layer is stable regulation area, filtering
Area and catchment；
Each function division of the equipment is both independently separated, and further through rational water distribution system, natural UNICOM is organic whole as one
Body；The corollary equipment of equipment auxiliary is integrated with each function division to be arranged, greatly reduces the work of pipe-line system and distribution system
Journey is invested, and also allows for maintenance management；
Each function division and supporting equipment arrangement area are coupled into a kind of self-cleaning and float drainage processing equipment；Though each function division
The connecting portion in right independent but each area realizes that nature is changed by different water distribution forms；
The coagulating area is made up of many lattice subregions；Air flotation zone by middle air supporting air-water contact area, both sides dissolved air flotation
The gentle float assembly pool composition in area；
Coagulating area and air flotation zone bottom spoil disposal process：Coagulating area bottom sets discharge pipeline Psc1、Psc2、Psc3..., every
Manual or/and automatic mud removing valve V is set on discharge pipelinesc1、Vsc2、Vsc3..., it is ensured that the heavy mud in each lattice can be discharged；
The each Disengagement zone and gathering ground bottom of air flotation zone are evenly equipped with a piece perforated sludge discharge pipe of configuration in multiple buckets, each bucket
Psd1、Psd2、Psd3..., manual or/and automatic mud removing valve V is set on every perforated sludge discharge pipesd1、Vsd2、Vsd3……；Each gas
The spoil disposal house steward P of floating regionf1And Pf2Respectively with two scum pipe Pz1And Pz2Connection, and two are set respectively before access scum pipe
Flowmeter Fs1And Fs2；The discharge pipeline P in coagulating areasc1、Psc2、Psc3... the spoil disposal for being respectively connected to each air flotation zone nearby is total
Pipe Pf1And Pf2, access point must be before flowmeter.
2. drainage processing equipment is floated in self-cleaning according to claim 1, it is characterised in that the self-cleaning storage area and mistake
Filter and arranged above and below area, it is identical with the form of Conventional gravity valveless filtering pool, and immediately below air flotation zone, and pass through self-cleaning storage area
With UNICOM of stable regulation area；Equipment arrangement area is arranged in the middle of coagulating area and stable regulation area；
Continuous filtration process：Have and be pressed into water through water inlet manifold P straight up0Through total manually or automatically valve V of intaking0, flowmeter
F0, pipe-line mixer, after deceleration water distribution threeway, be divided to two strands to enter first lattice in coagulating area, then sequentially flow through the second lattice, the
Three lattice ... and last lattice；
The dosing coagulant in pipe-line mixer, completes coagulant and the mixed process of water inlet；The first lattice in coagulating area
Middle selectivity adds flocculation aid, and completes coagulating process under agitator effect in every lattice；Processing water after coagulating
Enter the air-water contact area in air flotation zone centre position through tapering type water distribution closed conduit, processing water is done upwards after fully being contacted with dissolved air water
Up-flow motion, air-water contact area upper strata again Disengagement zone from uniform divided flows to both sides, complete mud-water separation after clear water to flow down
Water conservancy diversion inclined tube or swash plate through the installation of Disengagement zone intermediate region, again bottom horizontal flow sheet collect in catchmenting for air flotation zone both sides distal lower portion
Area, air supporting production two piece reverse-flow pressure bend pipes of the water through being installed on the lateral wall of two gathering grounds pond are matched somebody with somebody to two filtering areas respectively
Water；Scum silica frost after mud-water separation is collected into air flotation zone under the scum machine effect that water surface top layer is installed by air flotation zone both sides top
The ash pit of both sides distal upper, then through the corresponding scum pipe P of each scum troughz1And Pz2Discharge；
And/or,
The tapering type water distribution closed conduit, its cross-section of river is tapered on water distribution direction, it is ensured that flow velocity is uniform and stable；Its canal top passes through
Equidimension rectangle is crossed water and stitched to the water distribution of air-water contact area, it is ensured that alumen ustum is stable in even water distribution and water；
Water is produced respectively through the flowmeter F on two reverse-flow pressure bend pipe water distribution standpipes in air flotation zone1And F2, on water distribution transverse tube from
Dynamic regulating valve Vc1And Vc2, two-position three way automatic switch valve Va1And Va2Enter two filtering areas after two siphon bends again afterwards, enter
Water completes filter process after the deceleration of overboard baffle plate, then through filter material layer and supporting layer and water distribution bottom plate, and filtering production water, which is introduced into, matches somebody with somebody
Self-cleaning water distributing area below water-bed plate, through triangle water channel is crossed into the self-cleaning storage area above filtering area, then through downflow weir
Drop enter filtering area side close to stable regulation area storage；If necessary, disinfectant can be designed at downflow weir drop to add
Point, carry out disinfection stable processing after the immixture that drops to water after filter；Uniform filter, meets the uniform of water distribution on water distribution bottom plate
Property, and certain supporting role is played to filter material layer and supporting layer；Emptying is set respectively above the bottom plate of each self-cleaning water distributing area
Pipe Psf1And Psf2, it is furnished with manually-operated gate V on each emptying pipesf1And Vsf2, emptying tube opening sets up separately in corresponding draining emptying area；
And/or,
The reverse-flow pressure bend pipe by water distribution standpipe, flowmeter, water distribution transverse tube, automatically adjust valve and two-position three way and open automatically
Closing valve is constituted.
3. drainage processing equipment is floated in self-cleaning according to claim 1 or 2, it is characterised in that the catchment is by centre
Drain water seal area and both sides draining emptying district's groups into；
Automatic self-cleaning process：Water level in filtering area, because filter material layer constantly retains suspension, is made in continuous filtration process
Into the increase of filtrate layer resistance, the water level in siphon bend is promoted constantly to raise；When water level reaches the auxiliary siphon tube mouth of pipe, portion
Filtering area water inlet is divided to fall to form air-extraction function from the auxiliary siphon tube automatically, so as to taking away the air in siphon bend, by
Vacuum is gradually formed in siphon bend；When the vacuum in siphon bend reaches certain value, just occur siphonage, self-cleaning
Filtering production water in storage area carries out automatic backwash, from clearly from bottom to up back through filter material layer and supporting layer to filtrate
Wash journey automatic start；Waste water and whole waters of air flotation zone that self-cleaning process is produced, self-cleaning row is discharged into through siphon bend
Water standpipe, into drain water seal area after arrange again outside overflow to the emptying area of both sides；The office of siphon bend and self-cleaning soil stack
Portion's pipeline section is provided with water level conditions in transparent pipe, field observation pipe；When the water level decreasing of self-cleaning storage area is to siphon destructive device
When acting on water level, air enters siphon bend through siphon destructive device, and vacuum environment and siphonage are destroyed, and self-cleaning process is certainly
It is dynamic to stop；Automatic self-cleaning process is completed, and system enters next work period；Two self-cleaning soil stack ends,
Valve V is installed manually or/and automatically adjusts above drain water seal area design flood levelm1And Vm2, by its valve seat opening
Regulation is to control back washing strength；
Force self-cleaning process：Such as need to carry out the filtrate of filtering area pressure backwash, artificial intervention switching first is corresponding inverse
Two-position three way automatic switch valve V on streaming pressure bend pipe water distribution transverse tubea1Or Va2To the second valve position, control air flotation zone water outlet is complete
Portion enters in self-cleaning soil stack and falls to form air-extraction function in full-section pipe-flow form, so as to taking away the sky in siphon bend
Gas, gradually forms vacuum in siphon bend；When the vacuum in siphon bend reaches certain value, just occur siphonage,
Water after filter in self-cleaning storage area carries out pressure backwash from bottom to up back through filter material layer and supporting layer to filtrate,
Self-cleaning process is forced to start；Liquid level gauge L is set in self-cleaning storage area, a certain low liquid after force start self-cleaning process
Position set point, is controlled V through automatic linkagea1Or Va2Return to the first valve position；The waste water that self-cleaning process is produced, it is curved through siphon
Pipe enters self-cleaning soil stack, is discharged into behind drain water seal area outside overflow again to the emptying area of both sides and arranges；When self-cleaning storage area
Water level decreasing to siphon destructive device act on water level when, air enters true in siphon bend, siphon bend through siphon destructive device
Altitude and siphonage are destroyed, and self-cleaning process is automatically stopped；Self-cleaning process is forced to complete, system enters next
Work period；Manually-operated gate V is installed in two self-cleaning soil stack ends, drain water seal area design flood level topsm1With
Vm2, by the regulation to its valve seat opening to coordinate force start self-cleaning process and control back washing strength, it is ensured that air supporting
Whole waters in area are fallen from the standpipe in full-section pipe-flow form；
And/or,
The self-cleaning soil stack is by soil stack and manually or/and automatically adjusts valve and constitutes.
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| CN107638843A (en) * | 2017-11-13 | 2018-01-30 | 蚌埠市鑫源机电设备有限公司 | A kind of shunting sewage disposal device |
| CN109260781A (en) * | 2018-09-07 | 2019-01-25 | 江苏大学 | A kind of full-automatic gravity valveless filter |
| CN111285496A (en) * | 2020-03-06 | 2020-06-16 | 中国能源建设集团广东省电力设计研究院有限公司 | Raw water treatment system |
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| CN2117938U (en) * | 1992-05-11 | 1992-10-07 | 茅金声 | Full siphon control air floating filtering pool with micro air bubble reaction |
| JPH11309446A (en) * | 1998-04-30 | 1999-11-09 | Mitsubishi Heavy Ind Ltd | Composite water purifying device |
| CN101108287B (en) * | 2007-05-11 | 2011-07-06 | 上海市政工程设计研究总院 | Air-float filter pool |
| CN202346852U (en) * | 2011-11-24 | 2012-07-25 | 佛山市新泰隆环保设备制造有限公司 | Full-automatic integrated backwash water purifying equipment |
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