CN208898576U - Water treatment system - Google Patents

Abstract

The utility model provides a kind of water treatment system, belong to technical field of sewage, the water treatment system includes coagulating basin, adds pond, aerobic fermentation tank and inclined-tube sedimentation tank, agitating device, circulating pump and silt particle separator, coagulating basin adds pond, aerobic fermentation tank and inclined-tube sedimentation tank and is sequentially communicated setting according to water (flow) direction, also, coagulating basin adds the agitating device being respectively set in pond and aerobic fermentation tank to be stirred liquid；The bottom of pond of inclined-tube sedimentation tank has discharge outlet, circulating pump water intake end is connected to by pipeline with discharge outlet, circulating pump water outlet is connected to by pipeline with silt particle separator, and micro- sand is thrown to by pipeline and is added in pond to by sludge in mixing liquid and micro- sand separation by silt particle separator.Have the characteristics that take up little area, handle efficiently, anti impulsion load ability is strong, effluent quality is good.

Description

Water treatment system

Technical field

The utility model relates to technical field of sewage, and in particular to a kind of water treatment system.

Background technique

In recent years, with the continuous improvement of Chinese Urbanization level and the aggravation of water environment pollution, urban water supply is faced with Guarantor measure the double challenge guaranteed the quality, consequent is the enlarging and technological transformation of municipal water facilities.Enlarging and transformation meaning More lands used and more efficient water treatment technology, for China increasingly valuable to cultivated land resource, novel compact High-efficient Water The exploitation of processing system is obviously extremely urgent.

Utility model content

The purpose of this utility model is to provide a kind of water treatment system, which, which has, takes up little area, handles height Effect, the feature that anti impulsion load ability is strong, effluent quality is good.

Based on above-mentioned purpose, water treatment system provided by the utility model, comprising: coagulating basin, add pond, aerobic fermentation tank and tiltedly Pipe sedimentation basin, agitating device, circulating pump and silt particle separator, the coagulating basin, add pond, aerobic fermentation tank and inclined-tube sedimentation tank according to Water (flow) direction is sequentially communicated setting, also, the coagulating basin, adds and be respectively set in pond and aerobic fermentation tank to be stirred liquid Agitating device；The bottom of pond of the inclined-tube sedimentation tank has discharge outlet, and the circulating pump water intake end passes through pipeline and the draining Mouthful connection, the circulating pump water outlet are connected to by pipeline with silt particle separator, and the silt particle separator is to by mixing liquid Middle sludge and micro- sand separation, and micro- sand is thrown to by pipeline and is added in pond.

In above-mentioned technical proposal, coagulating basin is to be passed through raw water (or sewage) and coagulant, under the action of agitating device It is uniformly mixed, subsequently enters the pond that adds added with micro- sand and flocculant, the dynamic mixing of agitating device improves coagulation drum body, height A possibility that contacting with each other between Molecularly Imprinted Polymer and micro- sand, the liquid after flocculation enter aerobic fermentation tank, with dispensing into aerobic fermentation tank Flocculant mixed process promote the curing of wadding body and micro- sand made to become the core of wadding body newly formed, form coarse wadding body not Easily broken, the water outlet of aerobic fermentation tank enters inclined-tube sedimentation tank, wherein density and the biggish wadding body rapid subsidence of volume to bottom of pond, by Circulating pump is introduced to silt particle separator, makes sludge and micro- sand separation, and can be thrown to again micro- sand and add pond and followed with realizing Ring utilizes, and it is above-mentioned to pond face that the water flow in inclined-tube sedimentation tank then passes through inclined tube, continues filter element after entering after clarification and effluent.Tool Take up little area, handle efficiently, anti impulsion load ability is strong, effluent quality is good.

Further, the bottom of pond of the inclined-tube sedimentation tank is set as infundibulate.

In above-mentioned technical proposal, the wadding body that funnel shaped bottom of pond is easier to precipitating is moved at discharge outlet, in order to pass through Circulating pump is extracted.

Further, the bottom of pond of the inclined-tube sedimentation tank is arranged micro- sand and mud mixed liquid are scraped scraping to discharge outlet Mud machine.

In above-mentioned technical proposal, micro- sand and mud mixed liquid (wadding body) can be scraped into inclined-tube sedimentation tank using mud scraper Heart discharge outlet position, is extracted convenient for circulating pump, reduces micro- sand and sludge in the accumulation of bottom of pond.

Further, the coagulating basin is communicated with raw water input channel far from the side for adding pond and coagulant is defeated Pipeline is sent, coagulant and raw water are added into coagulating basin to facilitate.

Further, the silt particle separator hydrocyclone, can be effectively by sludge and micro- using hydrocyclone Sand is separated through centrifugal force.

Further, clear water catch basin is arranged in the inclined-tube sedimentation tank top.

In above-mentioned technical proposal, clear water catch basin is risen to the clear water of the flank of tooth to collect by inclined tube, then after clarification and effluent Enter back into subsequent filter unit.

Further, the aerobic fermentation tank width direction is provided with the pneumatic knife gate valve and scum trough being connected, dross aggregation When open pneumatic knife gate valve so that dross is discharged by scum trough.

In above-mentioned technical proposal, by being used cooperatively for pneumatic knife gate valve and scum trough, convenient in discharge aerobic fermentation tank pond face Dross, ensure going on smoothly for subsequent technique.

Further, further include flocculant concentration equipment, be respectively communicated with by pipeline and add pond and aerobic fermentation tank.

Further, further include coagulant dosing apparatus, be connected to by coagulant conveyance conduit with the coagulating basin.

It further, further include controller, the controller is to control agitating device, circulating pump and silt particle separator It opens or closes.Using controller, convenient for controlling the working condition of agitating device, circulating pump and silt particle separator respectively, realize Automation control.

By adopting the above technical scheme, the technical effect of water treatment system provided by the utility model has:

Coagulating basin is uniformly mixed, with laggard to be passed through raw water (or sewage) and coagulant under the action of agitating device Enter the pond that adds added with micro- sand and flocculant, the dynamic mixing of agitating device improves coagulation drum body, high molecular polymer and micro- A possibility that contacting with each other between sand, the liquid after flocculation enter aerobic fermentation tank, mix with the flocculant launched into aerobic fermentation tank Journey promotes the curing of wadding body and micro- sand is made to become the core of wadding body newly formed, and it is non-breakable to form coarse wadding body, aerobic fermentation tank Water outlet enter inclined-tube sedimentation tank, wherein density and the biggish wadding body rapid subsidence of volume are introduced to bottom of pond by circulating pump Silt particle separator makes sludge and micro- sand separation, and can be thrown to again micro- sand and add pond and recycled with realizing, inclined tube is heavy It is above-mentioned to pond face that water flow in the pond of shallow lake then passes through inclined tube, continues filter element after clarification and effluent after entering.With taking up little area, handle Efficiently, the feature that anti impulsion load ability is strong, effluent quality is good.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the first structural schematic diagram of water treatment system provided by the embodiment of the utility model；

Fig. 2 is the first structural schematic diagram of water treatment system provided by the embodiment of the utility model；

Fig. 3 is the first structural schematic diagram of water treatment system provided by the embodiment of the utility model；

Fig. 4 is the control principle drawing of water treatment system provided by the embodiment of the utility model.

Appended drawing reference: 100- coagulating basin；110- raw water input channel；120- coagulant conveyance conduit；200- adds pond； 300- aerobic fermentation tank；310- scum trough；400- inclined-tube sedimentation tank；410- discharge outlet；420- mud scraper；430- clear water catch basin； 500- agitating device；600- circulating pump；700- silt particle separator；800- flocculant concentration equipment；900- coagulant dosing apparatus.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

It please refers to shown in Fig. 1, water treatment system provided by the utility model, comprising: coagulating basin 100 adds pond 200, is ripe Change pond 300 and inclined-tube sedimentation tank 400, agitating device 500, circulating pump 600 and silt particle separator 700.

Coagulating basin 100 adds pond 200, aerobic fermentation tank 300 and inclined-tube sedimentation tank 400 and is sequentially communicated setting according to water (flow) direction, To be from left to right arranged successively setting in figure,

Also, coagulating basin 100 adds the stirring dress being respectively set in pond 200 and aerobic fermentation tank 300 to be stirred liquid Set 500；The bottom of pond of inclined-tube sedimentation tank 400 has discharge outlet 410, and 600 water intake end of circulating pump is connected by pipeline and discharge outlet 410 Logical, 600 water outlet of circulating pump is connected to by pipeline with silt particle separator 700, and silt particle separator 700 is to will dirt in mixing liquid Mud and micro- sand separation, and micro- sand is thrown to by pipeline and is added in pond 200.

In water treatment system provided in this embodiment, since the turbidity substance in raw water is naturally micro- with negative electrical charge , the mutually exclusive stable state so as to form height between these particles.It, can by the dosing coagulant in coagulating basin 100 So that particle is de- steady, coagulant dosage can ensure that medicament is fast into coagulating basin 100, through the quick stirring of agitating device 500 Speed and completely diffusion.

Above-mentioned coagulant can use aluminium salt or molysite, preferably use liquid aluminium sulfate in this implementation.

When being filled with raw water and coagulant in coagulating basin 100, it is preferable that raw water input channel 110 and coagulant are defeated It send pipeline 120 to be connected to coagulating basin 100 far from the side for adding pond 200, coagulant and original is added into coagulating basin 100 to facilitate Water.

In water treatment system provided in this embodiment, micro- sand and flocculant are added in pond 200 to adding, and are that micro- sand becomes wadding The solidifying core of body, can be improved flocculating effect, increase the quality of wadding body, and increase under the effect of the adsorption bridging of polymer wadding body, Cohering between suspended solid and micro- sand forms volume and the biggish wadding body of quality, in favor of post precipitation.

When it is implemented, above-mentioned micro- sand preferably uses circular quartz sand, silicone content is greater than 95%, and partial size is preferably 80-150um is added by sediment separator, ensures micro- sand concentration in water in 3kg/m³Left and right, micro- sand circulation and benefit Fill the probability that can increase cohesion, it is ensured that the density of flocculate, to increase the speed that wadding body is formed and precipitated.

In water treatment system provided in this embodiment, the effect of aerobic fermentation tank 300 is to form the biggish wadding body of volume.By In the acceleration flocculation of micro- sand, in identical sedimentation function, velocity gradient is substantially better than being driven flocculation process, by In inter-particle collision probability increase and the high Flocculation Kinetics effectiveness that causes, good flocculating effect can be reached.

It is added with flocculant in aerobic fermentation tank 300, which is entered with the wadding body of formation and is further enlarged, and compactness Increase, in favor of later period precipitating, further, since the addition of aforementioned micro- sand and coagulant, keeps the coarse wadding body after being formed not fragile It is broken, though because caused by stirring intensity control is improper wadding body it is broken, the wadding body being crushed after stirring intensity reduction still can be rapid It reconfigures.

In addition, the pneumatic knife gate valve and scum trough 310 being connected are additionally provided in the width direction of aerobic fermentation tank 300, Under normal operating condition, scum trough 310 floods under water, when there is dross aggregation, opens pneumatic knife gate valve to pass through scum trough 310 discharge drosses.

As shown in Fig. 2, in above-mentioned technical proposal, by being used cooperatively for pneumatic knife gate valve and scum trough 310, convenient for discharge Dross in 300 pond face of aerobic fermentation tank, ensures going on smoothly for subsequent technique.

In water treatment system provided in this embodiment, the effect of inclined-tube sedimentation tank 400 is to realize the separation of wadding body and water Effect.

By flocculation after, water enters the inclined tube bottom of inclined-tube sedimentation tank 400, then upward flow into the pond top catchment Area, the shell and wadding body precipitated on inclined tube slide downward under gravity pass through higher radial flow speed and inclined tube Heeling condition can form the continuous process scraped certainly, it is thereby possible to reduce accumulation of the wadding body on inclined tube.

Due to the coagulation of upstream, flocculation, the wadding body from aerobic fermentation tank 300 is fine and close and is easy to precipitate.Most of wadding body exists Bottom of pond portion is just precipitated and is concentrated in tube settler pond before into inclined tube, therefore, inclined tube is not easy to plug, and is not needed frequently clear It washes.

In one preferred embodiment, the bottom of pond of inclined-tube sedimentation tank 400 is set as infundibulate.Funnel shaped bottom of pond is easier to The wadding body of precipitating is moved at discharge outlet 410, in order to be extracted by circulating pump 600.

In one preferred embodiment, the setting of the bottom of pond of inclined-tube sedimentation tank 400 to by micro- sand and mud mixed liquid scrape to The mud scraper 420 of discharge outlet 410.

In above-mentioned technical proposal, micro- sand and mud mixed liquid (wadding body) can be scraped to tube settling using mud scraper 420 400 center drain of pond, 410 position, is extracted convenient for circulating pump 600, reduces micro- sand and sludge in the accumulation of bottom of pond.

In one preferred embodiment, clear water catch basin 430 is arranged in 400 top of inclined-tube sedimentation tank.Clear water catch basin 430 is used To collect the clear water for rising to the flank of tooth by inclined tube, subsequent filter unit is then entered back into after clarification and effluent.

In water treatment system provided in this embodiment, the effect of agitating device 500 is by raw water and coagulant, flocculant and micro- Sand etc. is sufficiently mixed, and there is a phenomenon where micro- sand to deposit.It is general next this requires the power with higher of agitating device 500 It says, the power maximum of the agitating device 500 of coagulating basin 100 should reach 150W/m³, add the power of the agitating device 500 in pond 200 Maximum should reach 70W/m³, the power maximum of the agitating device 500 of aerobic fermentation tank 300 should reach 40W/m³, and it is all made of frequency conversion Control.

In water treatment system provided in this embodiment, since the medium of circulating pump 600 is micro- sand, liquid-contacting part need to have Wear resistance, connecing liquid material is preferably carbon steel line with rubber, and the resistance of micro- sand is larger, and the pressure of the outlet of circulating pump 600 is arranged 3 ×10⁵Pa or so.

In water treatment system provided in this embodiment, silt particle separator 700 preferably uses hydrocyclone, sludge and micro- sand It is separated in hydrocyclone through centrifugal force, sludge flows out into spoil disposal processing system from the top of cyclone, accounts for about The 80% of regurgitant volume, the fine sand of sub-department then is entered to add by the lower part outflow of cyclone continues to participate in reaction in pond 200, accounts for about The 20% of regurgitant volume, after hydrocyclone separates, 90% or more micro- sand is recycled by separation in returned sludge, reduces The waste of material.

When concrete application, hydrocyclone preferably uses carbon steel line with rubber, polyurethane or other wear-resistant materials, according to sand moisture The in vitro radical row type selecting of itself curve, reach 80% or so top flow and 20% underflow amount allocation proportion be it is best, pressure drop exists 1.5×10⁵-2×10⁵Pa or so.

As shown in figure 3, further including flocculant in water treatment system provided in this embodiment in a preferred embodiment Adding equipment 800 is respectively communicated with by pipeline and adds pond 200 and aerobic fermentation tank 300.

It further include coagulant dosing apparatus in water treatment system provided in this embodiment in one preferred embodiment 900, it is connected to by pipeline with coagulating basin 100.

As shown in figure 4, further include controller in water treatment system provided in this embodiment in a preferred embodiment, Controller is to control opening or closing for agitating device 500, circulating pump 600 and silt particle separator 700.Using controller, just In the working condition for controlling agitating device 500, circulating pump 600 and silt particle separator 700 respectively, automation control is realized.

In water treatment system provided in this embodiment, coagulating basin 100 to be passed through raw water (or sewage) and coagulant, It is uniformly mixed under the action of agitating device 500, subsequently enters and add pond 200 added with micro- sand and flocculant, agitating device 500 A possibility that dynamic mixing improves coagulation drum body, contacts with each other between high molecular polymer and micro- sand, liquid after flocculation into Enter aerobic fermentation tank 300, promote the curing of wadding body to the flocculant mixed process in aerobic fermentation tank 300 with dispensing and micro- sand is made to become new shape At wadding body core, form that coarse wadding body is non-breakable, the water outlet of aerobic fermentation tank 300 enters inclined-tube sedimentation tank 400, Middle density and the biggish wadding body rapid subsidence of volume are introduced to silt particle separator 700 by circulating pump 600 to bottom of pond, make sludge and Micro- sand separation, and micro- sand can be thrown to again add pond 200 with realize recycle, the water flow in inclined-tube sedimentation tank 400 It is then above-mentioned to pond face by inclined tube, continue filter element after clarification and effluent after entering.With take up little area, handle efficiently, impact resistance The feature that load-bearing capacity is strong, effluent quality is good.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of water treatment system, which is characterized in that including coagulating basin, add pond, aerobic fermentation tank and inclined-tube sedimentation tank, stirring dress It sets, circulating pump and silt particle separator, the coagulating basin adds pond, aerobic fermentation tank and inclined-tube sedimentation tank and successively connects according to water (flow) direction Logical setting, also, the coagulating basin, add the agitating device being respectively set in pond and aerobic fermentation tank to be stirred liquid；Institute The bottom of pond for stating inclined-tube sedimentation tank has discharge outlet, and the circulating pump water intake end is connected to by pipeline with the discharge outlet, described to follow Ring pumps out water end (W.E.) and is connected to by pipeline with silt particle separator, and the silt particle separator is to divide sludge in mixing liquid and micro- sand From, and micro- sand is thrown to by pipeline and is added in pond.

2. water treatment system according to claim 1, which is characterized in that the bottom of pond of the inclined-tube sedimentation tank is set as funnel Shape.

3. water treatment system according to claim 2, which is characterized in that the bottom of pond setting of the inclined-tube sedimentation tank is to incite somebody to action Micro- sand and mud mixed liquid are scraped to the mud scraper of discharge outlet.

4. water treatment system according to claim 1, which is characterized in that the coagulating basin is far from the side for adding pond It is communicated with raw water input channel and coagulant conveyance conduit.

5. water treatment system according to claim 1, which is characterized in that the silt particle separator hydrocyclone.

6. water treatment system according to claim 1, which is characterized in that the inclined-tube sedimentation tank top setting clear water catchments Slot.

7. water treatment system according to claim 1, which is characterized in that the aerobic fermentation tank width direction, which is provided with, to be connected Pneumatic knife gate valve and scum trough, dross assemble when open pneumatic knife gate valve so that dross is discharged by scum trough.

8. water treatment system according to claim 1-7, which is characterized in that it further include flocculant concentration equipment, It is respectively communicated with by pipeline and adds pond and aerobic fermentation tank.

9. water treatment system according to claim 4, which is characterized in that further include coagulant dosing apparatus, by mixed Solidifying agent conveyance conduit is connected to the coagulating basin.

10. water treatment system according to claim 1-7, which is characterized in that it further include controller, the control Device is to control opening or closing for agitating device, circulating pump and silt particle separator.