CN109534622A - A kind of source water treatment system and its processing method - Google Patents
A kind of source water treatment system and its processing method Download PDFInfo
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- CN109534622A CN109534622A CN201910029861.5A CN201910029861A CN109534622A CN 109534622 A CN109534622 A CN 109534622A CN 201910029861 A CN201910029861 A CN 201910029861A CN 109534622 A CN109534622 A CN 109534622A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of source water treatment system and its processing methods, including water intaking pond, aeration tank, flocculation tank, sedimentation basin, pond, integral purifier and clear water tanks, the water intaking pond, aeration tank, flocculation tank, sedimentation basin, pond, integral purifier and clear water tanks are sequentially connected, the water intaking Chi Yuyuan water connection, return line is also connected in the aeration tank, the flocculation tank, sedimentation basin are respectively connected with sludge treating system, and being added in the flocculation tank has coagulant and flocculation aid.Source water treatment system of the invention and its processing method, deposition efficiency is higher, and water outlet is limpid, and stable, adding carrier enhanced flocculation effect is good, may be implemented efficiently to remove pollutant, and pollutant sedimentation separation speed is fast, and applicability is wide, simple process, and processing cost is low.
Description
Technical field
The invention belongs to water-treatment technology fields, and in particular to a kind of source water treatment system and its processing method.
Background technique
Coagulative precipitation tank is one kind of sedimentation basin in wastewater treatment.Coagulation process is in industrial water and sanitary sewage disposal
Most basic is also particularly important treatment process, adds some medicaments (commonly referred to as coagulant and flocculation aid) by Xiang Shuizhong,
So that the particle for being difficult to precipitate in water is aggregated with one another and is formed colloid, then forms bigger flocculation in conjunction with the impurity in water body
Body.Floccule body has powerful adsorption capacity, can not only adsorb suspended matter, moreover it is possible to absorbed portion bacterium and dissolved matter.Floccule body
By absorption, volume increases and sinks.
Flocculation sedimentation is the process that particulate matter makees flocculation sedimentation in water.In water after dosing coagulant, wherein suspended matter
Colloid and flock is generated under the interaction of molecular force for discrete particles and they collide with each other cohesion in infall process,
Its size and quality constantly become larger, and settling velocity is continuously increased.The alumen ustum formed after dosing coagulant in the surface water, in sanitary sewage
The phenomenon that flocculation sedimentation can all occur in precipitation process in organic suspended matter, activated sludge, i.e. selection inorganic flocculating agent and organic
Anion is configured to aqueous solution and is added in waste water, will generate compression double electric layer, make the suspended particulates loss of stability in waste water,
Micelle object, which agglomerates, increases particle, forms floccule body, alumen ustum.Floccule body grow up to certain volume after i.e. under the effect of gravity
It is detached from aqueous phase precipitation, so that a large amount of suspended matters in waste water are removed, to achieve the effect that water process.Existing flocculation sedimentation system
System takes up a large area, and effluent quality is general.
Summary of the invention
Goal of the invention: the purpose of the present invention is to solve deficiencies in the prior art, provide a kind of source water treatment system
And its processing method, the processing system deposition efficiency is higher, and water outlet is limpid, and stable, adding carrier enhanced flocculation effect is good, can
To realize efficiently removal pollutant, pollutant sedimentation separation speed is fast, and applicability is wide, simple process, and processing cost is low.
Technical solution: a kind of source water treatment system of the present invention, including it is water intaking pond, aeration tank, flocculation tank, heavy
Shallow lake pond, pond, integral purifier and clear water tanks, the water intaking pond, aeration tank, flocculation tank, sedimentation basin, pond, one
Change clarifier and clear water tanks are sequentially connected, the water intaking Chi Yuyuan water connects, and is also connected with return line in the aeration tank, institute
State flocculation tank, sedimentation basin is respectively connected with sludge treating system, being added in the flocculation tank has coagulant and flocculation aid.
Further, the source water enters water intaking pond by elevator pump, and the output of water intaking pond enters aeration tank by self priming pump.
Further, it after the flocculation tank reaction, is separated by solid-liquid separation subsequently into sedimentation basin；Supernatant after precipitating
Liquid enters pond, and is promoted to integral water purifier by rear class pump and carries out secondary precipitation filtration treatment.
Further, the integral purifier includes flocculation reaction room, tube settling reaction chamber, intermediate water tank, filtering
Room, supernatant water tank, lower filtered water tank and sludge memory block, the flocculation reaction room are connected with water inlet pipe, the flocculation reaction room
Be connected with the tube settling reaction chamber, the tube settling reaction chamber respectively with the intermediate water tank, sludge memory block phase
Connection, one end of the intermediate water tank pass sequentially through drip pan, first pipe connection, and the first pipe is arranged in filter chamber
Interior, filter chamber's upper and lower sides are respectively equipped with supernatant water tank, lower filtered water tank, and the supernatant water tank is equipped with outlet pipe.
Further, the tube settling reaction chamber includes upper and lower two-part inclined tube region.
Further, the inclined tube region is made of the inclined tube of several fixed-calibers.
Further, the inclined tube area distal on the top of the tube settling reaction chamber is connected to the supernatant water tank.
Further, the inclined tube sections bottom of the lower part of the tube settling reaction chamber is connected to sludge memory block, described
Sludge memory block is also connected with penstocks and sludge pipe.
Further, the first pipe top is correspondingly arranged on second pipe, the first pipe and second pipe end
There is certain distance, the second pipe is connected with irrigating cannula between portion.
The invention also discloses a kind of above-mentioned processing methods of source water treatment system, include the following steps:
(1) water boosted pump in source enters water intaking pond, is lifted into aeration tank through self priming pump and carries out aerobic biochemical reaction, removes river water
In various organic substances, be lowered CODcr, BOD5 content in river water；
(2) aeration tank water outlet carries out flocculation reaction with the coagulant and flocculation aid added in reaction zone from flocculation sedimentation tank is flow to；
Coagulant is the medical fluid that medicament is made into concentration 5%, and dosage 200L/H, flocculation aid is the medical fluid that medicament is made into concentration 1%, is added
Dose 200L/H；
(3) it is separated by solid-liquid separation subsequently into sedimentation basin；
(4) supernatant after precipitating enters discharge bay, and is promoted to integral water purifier by rear class pump and carries out secondary precipitation filtering
Processing；
(5) precipitating sludge is discharged into the processing of water for drainage slurry system.
The utility model has the advantages that source water treatment system of the invention and its processing method, deposition efficiency is higher, is discharged limpid, operation
Stablize, adding carrier enhanced flocculation effect is good, may be implemented efficiently to remove pollutant, pollutant sedimentation separation speed is fast, applicability
Extensively, simple process, processing cost are low.
Detailed description of the invention
Fig. 1 is water treatment system structure chart of the invention；
Fig. 2 is integral purifier structural schematic diagram of the invention.
Specific embodiment
Technical solution of the present invention is described in further detail combined with specific embodiments below.
A kind of source water treatment system as shown in Figure 1, including water intaking pond, aeration tank, flocculation tank, sedimentation basin, pond,
Integral purifier and clear water tanks, the water intaking pond, aeration tank, flocculation tank, sedimentation basin, pond, integral purifier and
Clear water tanks are sequentially connected, the water intaking Chi Yuyuan water connection, are also connected with return line, the flocculation reaction in the aeration tank
Pond, sedimentation basin are respectively connected with sludge treating system, and being added in the flocculation tank has coagulant and flocculation aid.
In the present embodiment, the source water enters water intaking pond by elevator pump, and the output of water intaking pond enters aeration by self priming pump
Pond.
In the present embodiment, after the flocculation tank reaction, it is separated by solid-liquid separation subsequently into sedimentation basin；It is upper after precipitating
Clear liquid enters pond, and is promoted to integral water purifier by rear class pump and carries out secondary precipitation filtration treatment.
Aeration tank
Biological contact oxidation process is a kind of biological effluent treatment derived from from biofilm.Sewage and life in the process
Object film is in contact, and under the action of microorganism on biomembrane, can make to purify the sewage, therefore also known as " submerged biological filter
Pond ".
This method provides the oxygen amount that Institute of Micro-biology needs using identical with aeration tank aeration method, and rise stirring with mix
Effect in this way and is equivalent in aeration tank and adds filler, and so that microorganism inhabites, therefore, also known as contact aeration process is one
Kind is the biomembrane of active sludge feature between activated sludge process and the biological treatment of biofilter between the two
The advantages of method, it has both the two.
Biological contact oxidation process is based on the biomembrane that is attached on carrier (being commonly called as filler) the one of purification of organic waste water
The efficient water treatment technology of kind.It is the biofilm of active sludge feature, has the excellent of activated sludge process and biofilm concurrently
Point.Under the conditions of biochemical, no matter being applied to the processing of industrial wastewater or aquaculture wastewater, sanitary sewage, all achieve good
Economic benefit.The technique due to having the characteristics that energy-efficient, occupied area is small, anti impulsion load, operational management facilitate by
It is widely used in the sewage disposal system of all trades and professions.
Biological contact oxidation process is a kind of bio membrane process between activated sludge process and biofilter, feature
It is that filler is set in pond, bottom of pond aeration is oxygenated sewage, and sewage in pond body is made to be in flow regime, to guarantee sewage
It is come into full contact with the filler in sewage, avoids haveing the defects that sewage contacts unevenness with filler in biological contact oxidation pond.It is net
The basic principle for changing waste water is identical as general biofilm, with the organic matter in biomembrane absorption waste water, under conditions of aerobic,
Organic matter is decomposed by microbiological oxidation, and waste water is purified.
Fa Zhong Institute of Micro-biology is aerobic is supplied by blast aeration for this, after biofilm development to certain thickness, micro- life of filler wall
Object can carry out anaerobic metabolism because of anoxic, and the souring that the gas and aeration of generation are formed will cause falling off for biomembrane, and
Promote the growth of neoformation film, at this point, the biomembrane to fall off will flow out outside pond with water outlet.
Biomembrane in biological contact oxidation pond is made of zoogloea, der Pilz, fungi, protozoan and metazoa.
In activated sludge process, der Pilz is often the factor for influencing normal bio catharsis;And in biological contact oxidation pond, silk
Shape bacterium spatially structure between filler gap, considerably increases the contact surface of biofacies and waste water, simultaneously as der Pilz pair
Most organic matters have stronger oxidability, have biggish adaptability to water quality load variations, so being to improve detergent power
Potent factors biological contact oxidation process be biofilm one kind, the advantages of having both both activated sludge and biomembrane.It compares
In traditional activated sludge process and biological filter process, it has, and large specific surface area, sludge concentration are high, sludge age is long, coefficient of oxygen utilization
It is high, save power consumption, sludge yield is few, operating cost is low, equipment is easy to operate, the technological advantages such as easy-maintaining, at home and abroad
To extensive research and application.
Its purification efficiency is high;It is short the time required to processing;It is stronger to the variation adaptability of water inlet organic loading;It need not carry out dirt
Mud reflux, while there is no sludge bulking problem;Operational management is convenient.
Flocculation sedimentation tank
Flocculation sedimentation tank belongs to water process processing equipment field.In order to which the flocculation efficiency for solving existing flocculation tank is low, reaction
The problems such as time is long, and effect is not ideal enough.The present invention provides a kind of by changing folded structure to improve the microvovtex of flocculation efficiency
Grid flocculation reaction tank.The present invention is made of flocculation tank, waffle slab etc., there is several water holes on waffle slab.This hair
Bright, also due to grid flow-disturbing forms a large amount of micro-vortexs, increased while making to form macroscopical turbulence in grid by water flow
The probability of particle effective collision, improves reaction efficiency, enhances flocculating effect in water.
The equipment main feature
A, treatment effeciency is high, takes up little area, construction investment is few；
B, effluent quality of sedimentation tank is good, and capacity of resisting impact load is strong, stable；
C, extensive using water quality, high to low-temperature and low turbidity, high temperature turbid have preferable treatment effect；
D, system mechanics equipment is few, easy to operate, and operational management is convenient, from maintenance, saves operating cost.
E, starting speed is fast, reduces the water consumption of starting and operation；
F, the construction period is short, and investment repayment is fast；
G, go oil removal, organic pollutant and other effects more ideal micro-polluted raw.
(1) mixing and flocculation reaction part
1) in mixed process, coagulant hydrolysate should be made promptly to be diffused into each of water body thin portion, makes all glue
Body particle is almost taking off in a flash together steady and is agglomerating, the flocculating effect that can be just got well in this way.
The essence of mixed problem is the diffusion problem of coagulant hydrolysate in water.Make water-borne glue body particle while taking off steady
Cohesion is generated, is the prerequisite of the flocculating effect obtained, and saves the key of dosage.Coagulant hydrolysate is mixed
The diffusion closed in equipment should be divided into two classes: (1) macroscopic view diffusion, even if coagulant hydrolysate is diffused into each macroscopic view portion of water body
Position, diffusion coefficient is very big, this part diffusion be as large eddy power effect caused by, thus macroscopic view diffusion can be with the short time
Interior completion；(2) submicroscopic diffusion, i.e. coagulant hydrolysate are in the diffusion of pole adjacent parts, this partial diffusion coefficient is than macroscopic view
Spread small several orders of magnitude.The essence of submicroscopic diffusion is laminar flow diffusion.Therefore coagulant hydrolysate is made to be diffused into water body every
One thin portion is highly difficult.Submicroscopic diffusion is the dynamics factor to play a decisive role in treatment reaction.
2) flocculation is the most important process procedure of Water purification, and filter tank effluent quality is mainly to be determined by flocculating effect.
Flocculated dynamics reason
Flocculation growth process is the process of molecule contact and collision.The quality of flocculating effect depends on following two factor:
First is that the high-molecular complex generated after coagulant hydrolysis forms the connection ability of adsorption bridging, this is determined by the property of medicament
,；Second is that the probability of molecule collision and how to control them and carry out reasonable effective collisions, this is moving by flocculation apparatus
What mechanical condition was determined.
VELOCITY DISTRIBUTION in water is that continuously, without any jump, two particles are smaller at a distance of its nearlyr speed difference in water,
When two particles are apart infinitesimal, speed difference is also infinitesimal, i.e., without speed difference.Particle scale in water is very small,
Specific gravity is again close with water phase, so the followability in water flow is fine.If these particles are moved synchronously with water flow, due to not having speed
Degree difference would not collide.It can be seen that it must just generated with water flow opposite to collide particle in water flow mutually
Movement, such water flow will move particle and generate hydraulic resistance.The hydraulic resistance as suffered by different scale particle is different, so
Speed difference is just produced between different scale particle.This speed difference provides condition for the collision of adjacent different scale particle.
Particle and water flow in water is how allowed to generate relative motion, best bet is the speed for changing water flow.Because the inertia of water is (close
Degree) it is different from inertia (density) of particle, when water velocity variation, their velocity variations (acceleration) are also different, this just makes
It obtains water and produces relative motion with wherein solid particle, provide condition, the i.e. inertia effect for adjacent different scale particles collision
Effect.
The flocculating effect reached is other than particle to be had largely collides, it is also necessary to control particle and reasonably effectively touch
It hits.The collision for making particle aggregation get up is referred to as effective collision.On the one hand, if particle aggregation is grown up to obtain too fast meeting in flocculation
There is its long too fast intensity of two problem (1) alumen ustum then to weaken, strong shearing force is encountered in flow process will make to adsorb
Bridge formation is cut, and the absorption gantry cut is difficult again continuously, and this phenomenon was referred to as reacting phenomenon, it should absolute
Forbid；(2) the too fast long conference of some alumen ustum reduces the alumen ustum specific surface area in water sharply, incomplete small of some reactions
Grain loses reaction condition, these little particles are strongly reduced with bulky grain collision probability, are difficult to grow again and be become heavy.These particles are not
It cannot only be retained by sedimentation basin, it is also difficult to be retained by filter tank.On the other hand, the alumina blossom particles in flocculation basin can not be grown
It crosses slowly, although alumen ustum length is excessively slow closely knit, when it reaches sedimentation basin, does not grow to precipitating scale there are also many particles, out
Water water quality will not be got well.Thus it is seen that should control rationally growing up for alumina blossom particles in flocculation basin design.
The particle scale of alumen ustum and its compactness depend on two aspect factors: one is the absorption that coagulation hydrolysate is formed
The connection ability of bridge formation；The second is turbulent shear force.The relativity of exactly the two power determines alumina blossom particles scale and its
Compactness.The connection ability of adsorption bridging is to be determined by coagulant property, and the shearing force of turbulent flow is created by structures
What flox condition was determined.If in the design of flocculation basin can effectively control turbulent flow shearing force, can guarantee well
Flocculating effect.
Sediment fraction
This equipment also has the advantages that more following compared with traditional inclined-tube sedimentation tank: (1) significantly reducing due to inclined plate spacing,
The precipitating distance of alumen ustum also significantly reduces, and is more advantageous to short grained precipitating；(2) due to the reduction of inclined plate spacing, resistance to water-flow
Increasing, the resistance of the part is made to become the major part of hydraulic resistance in sedimentation basin, flow distribution is more uniform in sedimentation basin, with
Inclined tube is compared and significantly improves deposition condition；(3) compound action for enhancing the contact flocculation of inclined plate, by changing the place that becomes a mandarin
The cross-section of river improves upflow velocity, and incomplete little particle is reacted in the contact flocculation effect removal for giving full play to inclined plate, so as into
One step reduces delivery turbidity.Small space beteen slanting board sedimentation equipment spoil disposal performance is also much better than the shallow pond sedimentation basin of other forms simultaneously,
This is mainly due to following several reasons :(a) this equipment is substantially without sidewise restraint；(b) this equipment desilting area and spoil disposal
Area equation；For common inclined-tube, spoil disposal area only accounts for the half of desilting area, in particular time such as high turbid phase, low turbid phase
Or dosing fault phase sludge settling property, particularly spoil disposal performance obviously degenerate, inclined tube spoil disposal face edge due to deposition
The amount of sludge got off is slid in quantity and inclined-plane and is greater than the quantity drained, and causes the accumulation of sludge.So once in inclined tube
Corner generate sludge accumulation, thus reduce the cross-section of river, upflow velocity increase, increase sludge downslide jacking
Power further increases sludge accumulation.So the accumulation of sludge is once generated in inclined tube corner, the evil of the sludge accumulation just generated
Property circulation.Since the increase of inclined tube upflow velocity, sedimentation effect degenerate when this effect starts, settled water turbidity increases, and works as dirt
Due to the raising of upflow velocity when mud is accumulated to a certain extent, the sludge being deposited on inclined tube can be rolled, keep water quality tight
Deteriorate again.And narrow space inclined plate settling basin its spoil disposal area is common inclined-tube more than 4 times, unit area spoil disposal load is still less than oblique
The 1/4 of pipe, so in office, when phase spoil disposal is accessible.
Integral water purifier
As shown in Fig. 2, integral water purifier include flocculation reaction room 2, tube settling reaction chamber 3, intermediate water tank 5, filter chamber 12,
Supernatant water tank 10, lower filtered water tank 11 and sludge memory block 16, the flocculation reaction room 2 are connected with water inlet pipe 1, and the flocculation is anti-
Answer room 2 to be connected with the tube settling reaction chamber 3, the tube settling reaction chamber 3 respectively with the intermediate water tank 5, sludge
Memory block 16 is connected, and one end of the intermediate water tank 5 passes sequentially through drip pan 6, first pipe 7 connects, the first pipe 7
It is arranged in filter chamber 12,12 upper and lower sides of filter chamber are respectively equipped with supernatant water tank 10, lower filtered water tank 11, the supernatant water tank
10 are equipped with outlet pipe 9.
Flocculation reaction room 2 enters integral water purifier through the mixed raw water of dosing, initially enters the water distribution of bottom of device
Area, the water inlet of water purifier are the water inlet of bottom water distributing area, perforated pipe water distribution, it is ensured that equipment water distribution is uniform, and water at each micropore
Stream is sprayed with certain flow velocity, comes into full contact with floc sludge with the tiny alumen ustum in raw water, the mixed raw water of prime is in dirt
Under the suction-operated of mud, thorough coagulating is carried out, by the circulating reflux of excess sludge, flocculation reaction is carried out, makes into water
There is bigger contact area with sludge, improve the aggregation efficiency of sludge, the small alumen ustum in raw water is made to be condensed into biggish alumen ustum,
It creates favorable conditions for tube settler.
Tube settling reaction chamber 3, including upper and lower two-part inclined tube region 4, by the hole for changing bilevel inclined tube
Diameter improves hydraulic gradient angle value, theoretical according to shallow layer precipitating, is provided with inclined tube accelerated sedimentation, lower reaction zone is quickly formed big
Graininess wadding body, water (flow) direction changes between two layers of inclined tube, will will increase the touch opportunity between little particle wadding body, is flowing
When through upper layer inclined tube, effluent quality is further increased.
The flock suspended matter of formation is rectified in a floor inclined tube area, and one layer of inclined tube plays water distribution uniformity and guide functions,
Cotton-shaped water body is up flowed along two layers of inclined tube inclined direction after sufficiently reacting, into decanting zone in be separated by solid-liquid separation, deposit
The sludge to get off slides under the action of gravity and hydro-flow thrust along inclined tube inclined direction down.
The inclined tube sections bottom of the lower part of the tube settling reaction chamber 3 is connected to sludge memory block 16, and the sludge is deposited
Storage area 16 is also connected with penstocks 14 and sludge pipe 15.The sludge of tube settling district precipitating passes through the plug-flow of waterpower and sinks naturally
Drop, is partially forced into sludge area through waterpower, and partial sludge flows back into high concentration hybrid reaction area, to guarantee sludge area spoil disposal
Completeness, this water purifier sludge area is divided into eight cells by partition, and each room is equipped with electronic sludge drainage system and auxiliary sludge discharging
Device.
Every set water purifier sludge drainage system is by 8 sets of electric mud valves and several set auxiliary sludge discharging solenoid valve blocks at sludge pipe is adopted
With perforated pipe structure, auxiliary sludge discharging system uses perforated pipe pattern, is arranged along sludge area bottom, sludge area stirs when for spoil disposal
It is dynamic, in favor of the thorough emptying of sludge.
Program carries out system spoil disposal according to set time, and each cycle (8 hours) every lattice sludge area spoil disposal 1-3min is (when spoil disposal
Between it is adjustable), spoil disposal carries out one by one from the spoil disposal room of every set water purifier.
It is catchmented in the clear water zone of sedimentation basin using adjustable triangular weir plate, imports catch basin, system is made to catchment uniformly.
Inclined tube area catch basin is equipped with 8 sets of sparge pipes, respectively enters in corresponding filter tank, and the water inlet in each filter tank is equipped with water inlet
Manual modulation valve can be manually adjusted and be set to each filter tank flow of inlet water.
Water body after precipitation, which is distributed by water distributing trough by sparge pipe, to be entered in each filter chamber, is matched by U-shaped liquid packing
Water, and from top to bottom by filter material layer, water after filter is by the communicating pipe in filter tank under the effect of gravity to the clean water chamber at the top of filter chamber.
Clean water chamber water outlet enters rear class purification water pool by flow by gravity.
7 top of first pipe is correspondingly arranged on second pipe 8, and the first pipe 7 and second pipe have between 8 end
Certain distance, the second pipe 8 are connected with irrigating cannula 13, and irrigating cannula 13 is connected with back-purge system.Each filter chamber is equal
Equipped with 1 set of siphon back-purge system, the backwash draining of filtration system passes through the head loss of setting by gravity siphon principle
Value forms siphon, is backwashed automatically using the indoor clean water of filter chamber's clear water and water after filter, filter layer backwashing water connects
Enter the total comb net of plant area to sewer.
Tube settling district water outlet is filtered after a certain period of time through filter material layer, since the running resistance of filter material layer is gradually increased, rainbow
It sucts water level in riser to gradually rise, when water level rises to auxiliary siphon tube position, siphon inner air tube is assisted with siphon
Pipe draining, forms negative pressure, siphon inner air tube is constantly taken away, finally connects the water level in siphon tedge and siphon down-comer
It is logical, that is, siphon is formed, filter chamber's upper chamber clear water backwashes rapidly under the static pressure and vacuum attraction of clear water layer, and clear water is pressed in device
It is returned according to path opposite direction is operated normally, starts to backwash filtrate when clear water passes through filter material layer, the backwash of filter chamber
Intensity is adjusted by the taper adjustable plate of drainpipe nozzle, sets backwash intensity and backwash time, every time backwash last 4~
6 minutes.Backwash intensity is 14-16L/m2 s.
The water purifier purifier itself from reaction, flocculation sedimentation, catchment, water distribution, filtering, internal backwash, spoil disposal etc. one
Series operation program, has achieved the effect that fully automatic operation.
The scope of application
1, it is less than all kinds of rivers of 3000mg/L suitable for water turbidity, river, lake, reservoir etc. is the rural area at water source, cities and towns, industrial and mining enterprises
Water factory, as main purified water treatment device.
2, low turbid for low temperature, there is the lake water source of seasonal algae, there is its special adaptability.
3, to high purity water, beverage industry water, boiler feed water etc. makees the pre-processing device of preposition water process.
4, it is used for all types of industries circulation, cycling use of water water quality effectively can be greatly improved.
3.2 technical parameter
Device model: FA-200T
Outer dimension: 13.6m × 4.8m × 4.55m
Handle water: 200t/h
Tricks: 2
Suspended matter influent quality :≤3000mg/L
Suspended matter effluent quality :≤3mg/L
It is applicable in raw water temperature: room temperature
Settling zone design surface load: 7~8m3/m2h
Filtering ponds design filtering velocity: 8-10m/h
Filter tank is averaged back washing strength: 14-16L/sm2
Washing length: t=4-6min(is adjustable)
Total residence time: T is total=40-45min
Intake pressure: 0.06-0.1Mpa
Main material: Q235-A
A kind of processing method of above-mentioned source water treatment system, includes the following steps:
(1) water boosted pump in source enters water intaking pond, is lifted into aeration tank through self priming pump and carries out aerobic biochemical reaction, removes river water
In various organic substances, be lowered CODcr, BOD5 content in river water；
(2) aeration tank water outlet carries out flocculation reaction with the coagulant and flocculation aid added in reaction zone from flocculation sedimentation tank is flow to；
Coagulant is the medical fluid that medicament is made into concentration 5%, and dosage 200L/H, flocculation aid is the medical fluid that medicament is made into concentration 1%, is added
Dose 200L/H；
(3) it is separated by solid-liquid separation subsequently into sedimentation basin；
(4) supernatant after precipitating enters discharge bay, and is promoted to integral water purifier by rear class pump and carries out secondary precipitation filtering
Processing；
(5) precipitating sludge is discharged into the processing of water for drainage slurry system.
Equipment concrete operations operating procedure is as follows:
1, for purifier before putting into operation, filtrate should carry out pressure backwash, so that filtering layer is thoroughly layered, wash out unqualified
Filtrate, it is ensured that filtrate cuts object ability, improves filter effect: 1. opening flowing water Valve, first inlet valve is opened a little, is
Inflow is 10% or so of normal inflow, and water is made slowly to enter purifier until there are flowing out from outlet pipe, then with into
Penstock adjusts flow of inlet water to design discharge.(one is only stayed 2. blocking catch basin with squared board and entering several imports of filter chamber
Do not block up), the correspondence filter chamber of water inlet its water level is not blocked, resistance constantly rises, when reaching certain value, that is, start to this filter chamber
Carry out pressure backwash.3. carrying out pressure backwash one by one to other several filter chambers with 2. identical method.4. forcing recoil
Wash every filter chamber at least twice.5. arrestment intakes and is vented water in filter chamber, each filter chamber manhole cover is opened, rake goes to surface
Fine sand (20-30mm), then retightens manhole cover.
2, purifier operates normally: open flowing water Valve, first inlet valve is opened it is a little, be inflow be normally into
10% or so of water, makes water slowly enter filter tank, until there are flowing out from outlet pipe, then inlet valve can be slowly opened, and
It is equipment and normal operation input until inflow reaches design discharge according to the reading of flowmeter.
3, equipment initially puts into operation, should debug at the scene spoil disposal and spoil disposal pressure manually, spoil disposal automatic running situation, really
Commencement of commercial operation can just be put by recognizing after all going well.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention
Any simple modification, equivalent change and modification to the above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of source water treatment system, it is characterised in that: including the pond, aeration tank, flocculation tank, sedimentation basin, pond, one of fetching water
Body clarifier and clear water tanks, the water intaking pond, aeration tank, flocculation tank, sedimentation basin, pond, integral purifier and net
Water tank is sequentially connected, the water intaking Chi Yuyuan water connection, is also connected with return line, the flocculation reaction in the aeration tank
Pond, sedimentation basin are respectively connected with sludge treating system, and being added in the flocculation tank has coagulant and flocculation aid.
2. a kind of source water treatment system according to claim 1, it is characterised in that: the source water is entered by elevator pump to be taken
Pond, the output of water intaking pond enter aeration tank by self priming pump.
3. a kind of source water treatment system according to claim 1, it is characterised in that: after the flocculation tank reaction, so
Enter sedimentation basin afterwards to be separated by solid-liquid separation；Supernatant after precipitating enters pond, and is promoted to integral water purifier by rear class pump
Carry out secondary precipitation filtration treatment.
4. a kind of source water treatment system according to claim 1, it is characterised in that: the integral purifier includes flocculation
Reaction chamber (2), tube settling reaction chamber (3), intermediate water tank (5), filter chamber (12), supernatant water tank (10), lower filtered water tank (11)
With sludge memory block (16), the flocculation reaction room (2) is connected with water inlet pipe (1), the flocculation reaction room (2) and it is described tiltedly
Pipe precipitation reaction room (3) is connected, the tube settling reaction chamber (3) respectively with the intermediate water tank (5), sludge memory block
(16) it is connected, one end of the intermediate water tank (5) passes sequentially through drip pan (6), first pipe (7) connection, first pipe
In filter chamber (12), filter chamber (12) upper and lower sides are respectively equipped with supernatant water tank (10), lower filtered water tank for road (7) setting
(11), the supernatant water tank (10) is equipped with outlet pipe (9).
5. a kind of source water treatment system according to claim 4, it is characterised in that: tube settling reaction chamber (3) packet
Include upper and lower two-part inclined tube region (4).
6. a kind of source water treatment system according to claim 4, it is characterised in that: the inclined tube region (4) is by several
The inclined tube of one fixed-caliber is constituted.
7. a kind of source water treatment system according to claim 4, it is characterised in that: the tube settling reaction chamber (3)
The inclined tube area distal on top is connected to the supernatant water tank (10).
8. a kind of source water treatment system according to claim 4, it is characterised in that: the tube settling reaction chamber (3)
The inclined tube sections bottom of lower part is connected to sludge memory block (16), and the sludge memory block (16) is also connected with penstocks (14)
With sludge pipe (15).
9. a kind of source water treatment system according to claim 4, it is characterised in that: first pipe (7) top is corresponding
It is provided with second pipe (8), there is certain distance, second pipe between the first pipe (7) and second pipe (8) end
Road (8) is connected with irrigating cannula (13).
10. a kind of processing method of source water treatment system described in -9 any one according to claim 1, it is characterised in that: packet
Include following steps:
(1) water boosted pump in source enters water intaking pond, is lifted into aeration tank through self priming pump and carries out aerobic biochemical reaction, removes river water
In various organic substances, be lowered CODcr, BOD5 content in river water；
(2) aeration tank water outlet carries out flocculation reaction with the coagulant and flocculation aid added in reaction zone from flocculation sedimentation tank is flow to；
Coagulant is the medical fluid that medicament is made into concentration 5%, and dosage 200L/H, flocculation aid is the medical fluid that medicament is made into concentration 1%, is added
Dose 200L/H；
(3) it is separated by solid-liquid separation subsequently into sedimentation basin；
(4) supernatant after precipitating enters discharge bay, and is promoted to integral water purifier by rear class pump and carries out secondary precipitation filtering
Processing；
(5) precipitating sludge is discharged into the processing of water for drainage slurry system.
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