CN106145441A - A kind of fluorine-contained wastewater treatment system - Google Patents
A kind of fluorine-contained wastewater treatment system Download PDFInfo
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- CN106145441A CN106145441A CN201610589782.6A CN201610589782A CN106145441A CN 106145441 A CN106145441 A CN 106145441A CN 201610589782 A CN201610589782 A CN 201610589782A CN 106145441 A CN106145441 A CN 106145441A
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic 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
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a kind of fluorine-contained wastewater treatment system, including regulating double accident pool, the hold concurrently outlet of accident pool of described regulation connects with first order reaction pond water inlet, water side, described first order reaction pond connects with first stage precipitation tank water inlet end, described first order reaction pond is provided with one-level rabbling mechanism, throw in described first order reaction pond and have fluorine medicament, bottom described first stage precipitation tank, be provided with one-level sludge outlet；Water side, described first stage precipitation tank top connects with secondary response pond water inlet；Water side, described second-level settling pond top connects with intermediate pool；Described one-level sludge outlet, secondary sludge outlet all connect with sludge-tank, and described sludge-tank connects with sludge dewatering equipment.Fluorine medicament is had by throwing in first order reaction pond, preferably the fluorion in waste water can be carried out reaction precipitation, be removed in first stage precipitation tank, then in follow-up secondary response pond and second-level settling pond, carry out flocks adsorption precipitation, other dirts are removed, it is achieved preferably purification function.
Description
Technical field
The present invention relates to a kind of fluorine-contained wastewater treatment system.
Background technology
It is known that existing waste water processing mode is come and sewage mixing generally by adding flocculant in sewage,
The process discharged after flocks body after flocks is precipitated, general sewage can be processed by such processing system, with
The suspended particles being scattered in sewage are built bridge and are adsorbed, and have stronger flocculation, but for sewage contains the dirt of fluorion
Water does not has good purified treatment effect.Prior art urgent need is a kind of can carry out purified treatment to the fluorion in sewage,
Run efficient fluorine-contained wastewater treatment system.
Summary of the invention
It is an object of the invention to overcome defect present in prior art, it is provided that a kind of can be to the fluorion in sewage
Carry out purified treatment, run efficient fluorine-contained wastewater treatment system.
For achieving the above object, the technical scheme is that and provide a kind of fluorine-contained wastewater treatment system, including regulation
Holding concurrently accident pool, the hold concurrently outlet of accident pool of described regulation connects with first order reaction pond water inlet, water side, described first order reaction pond
Connecting with first stage precipitation tank water inlet end, described first order reaction pond is provided with one-level rabbling mechanism, throws in described first order reaction pond
There is fluorine medicament, bottom described first stage precipitation tank, be provided with one-level sludge outlet；
Water side, described first stage precipitation tank top connects with secondary response pond water inlet, water side, described secondary response pond and two grades
Sedimentation tank water inlet end connects, and described secondary response pond is provided with secondary blender structure, and throwing in described secondary response pond has flocculation
Medicament, is provided with secondary sludge outlet bottom described second-level settling pond；
Water side, described second-level settling pond top connects with intermediate pool, and described intermediate pool connects with clear water reserviors, intermediate pool
And it is provided with activated alumina filter between clear water reserviors；
Described one-level sludge outlet, secondary sludge outlet all connect with sludge-tank, and described sludge-tank is with sludge dewatering equipment even
Logical.
There is fluorine medicament by throwing in first order reaction pond, preferably the fluorion in waste water can be carried out reaction heavy
Form sediment, be removed in first stage precipitation tank, in follow-up secondary response pond and second-level settling pond, then carry out flocks absorption heavy
Form sediment, other dirts are removed, it is achieved preferably purification function.
As preferably, between described one-level sludge outlet and first order reaction pond, it is additionally provided with one-level sludge return pipe；
Being additionally provided with precipitation flow-disturbing in described first stage precipitation tank and collide mechanism, described precipitation flow-disturbing collides mechanism and includes being arranged on one-level precipitation
The first flow spoiler of the degree of depth in the middle part of pond, and it is arranged on the flow spoiler again of the first stage precipitation tank middle and lower part degree of depth；Described disturb for the first time
Stream device includes multiple first flow-disturbing propeller, and the drain-side of described first flow-disturbing propeller is upward；Described flow spoiler again includes
Multiple flow-disturbing propellers again, the drain-side of the described propeller of flow-disturbing again is upward；The flow-disturbing of described first flow-disturbing propeller is strong
Degree is less than the flow-disturbing intensity of flow-disturbing propeller again.The used herein fluorine medicament that goes is sodium hydroxide and calcium chloride, wherein
Fluorion and calcium binding form calcium fluoride precipitate, and sodium hydroxide is for regulating the outside alkaline environment of above-mentioned reaction；Pass through
One-level sludge return pipe is set between sludge outlet and first order reaction pond and can come into the fluorine of first stage precipitation tank
Change calcium deposit to be again back in first order reaction pond (be completed by the pump housing)；The benefit of do so has following 2 points: first, backflow
Mud in carry substantial amounts of unreacted calcium ion, improve the utilization rate of fluorine medicament, decrease the generation amount of mud；The
Two, in returned sludge, substantial amounts of calcium fluoride precipitate granule becomes nucleus in new precipitate forming process, accelerates calcium fluoride and sinks
The formation formed sediment, is conducive to being formed in precipitation again bigger precipitation granule, Accelerated subsidence, improves the effect of mud-water separation, wherein
The biggest precipitation granule of volume its to adsorb other sedimentary effects as nucleus the most obvious.
Wherein arrange in first stage precipitation tank precipitation flow-disturbing collision mechanism purpose be, will flow into first stage precipitation tank dirt
It is carried out colliding by the way of flow-disturbing in first stage precipitation tank and is formed in conjunction with absorption by the granule precipitate in water mixed flow
Bigger precipitate particles；Owing to there is no turbulence structure, precipitate free-falling, horizontal collision in existing sedimentation tank structure
Almost nil, it is unfavorable for that less precipitation granule combines and forms bigger precipitate particles；In this application by first flow-disturbing
Little precipitate particles flow-disturbing collision is formed medium precipitate particles by device, then by flow spoiler again by medium precipitate
Grain flow-disturbing collision forms bigger precipitate particles, and the precipitate finally formed bottom first stage precipitation tank is the biggest long-pending precipitation
Granule, is passed through to play the absorption of preferable nucleus in one-level sludge return pipe is back to first order reaction pond again and is made
With；Meanwhile, under during first flow spoiler is arranged on the degree of depth in the middle part of first stage precipitation tank, and flow spoiler is arranged on first stage precipitation tank again
Portion's degree of depth, sedimentary deposition, by the sinking that also can gradually affranchise after the region of flow-disturbing, will not be caused bigger by precipitation
Impact.
As preferably, described first flow-disturbing propeller and again flow-disturbing propeller are fastened on flow-disturbing support, institute
State first flow-disturbing propeller and again flow-disturbing propeller all with waterproof micromachine drive connection, described waterproof micromachine and storage
Battery is by wire for electrical connection, and described wire is provided with control switch.First flow-disturbing propeller and again is easy in such design
Fixed installation and the control of secondary flow-disturbing propeller run.
As preferably, between described secondary sludge outlet and secondary response pond, it is additionally provided with secondary sludge reflux line.
Flocculation medicament used herein is HCl, PAC, PAM, and wherein PAC, PAM are combined formation floccule body with magazine, and HCl is used for adjusting
Save the outside sour environment of above-mentioned reaction；By arranging secondary sludge reflux line between sludge outlet and secondary response pond
Again can be back in secondary response pond (be completed by the pump housing) by the floccule body coming into second-level settling pond；Do so
Benefit has following 2 points: first, carries substantial amounts of floccule body in the mud of backflow, and in returned sludge, substantial amounts of granule is another
Secondary flocculation sediment becomes nucleus, adds flocculation, be conducive to again in precipitation, form bigger coagulated particles, Accelerated subsidence,
Improve the effect of mud-water separation, improve the utilization rate of medicine, decrease the generation amount of mud.
As preferably, described first order reaction pond includes that cell body, described cell body sidewall are provided with mud flusher；Described
Mud flusher includes cleaning pipeline and being distributed on the cleaning shower nozzle cleaned on pipeline, and cell body sidewall pressed close to by described cleaning pipeline
Distribution, the injection direction of described cleaning shower nozzle is towards cell body sidewall；The input of described cleaning pipeline connects with air pump or water pump
Connect.By mud flusher, the alluvial mud on cell body sidewall can be rinsed, it is to avoid mud sticks to cell body sidewall
The volume in upper reduction first order reaction pond.
As preferably, described cell body inner face is adsorbed with polytetrafluoroethylene film, mixes in described polytetrafluoroethylene film
Having magnetic powder, described cell body sidewall to be embedded with iron suction sheet, described iron suction sheet is 0.1mm to cell body sidewall surfaces distance.
Such design reduces the adhesive ability of sidewall by the low friction performance of polytetrafluoroethylene floor, reduces and cleans difficulty.
As preferably, described second-level settling pond top is connected by the secondary cycle pump filter membrane that declines with diode, described
The diode membrane filtration water water side that declines connects with fluorine remover, and described fluorine remover connects with clear water reserviors；Described diode declines
The outfall of filter membrane connects with secondary sludge reflux line.Such design can in the case of hydrostatic pressure is relatively big,
Open circulating pump directly to be filtered by tube type filter membrance by limpid for the upper strata in second-level settling pond water and purify heel row with fluorine remover
Enter clear water reserviors, further speed up purification efficiency.
As preferably, described first order reaction pond is provided with one-level pH sensor and removes fluorine medicament delivery device, described
Fluorine medicament delivery device is gone to include sodium hydroxide metering dispenser and calcium chloride metering dispenser；Described secondary response pond is provided with two
Level pH sensor and flocculation medicament delivery device thereof, described flocculation medicament delivery device includes that HCl metering dispenser, PAC measure throwing
Put device and PAM measures dispenser.Such design is beneficial to the parameter measurement to each medicine placement position, and by with metering
The dispenser of function is thrown in, and accomplishes to throw in precisely.
As preferably, described one-level pH sensor, two grades of pH sensor, sodium hydroxide measure dispenser, chlorinations
Calcium metering dispenser, HCl metering dispenser, PAC metering dispenser and PAM metering dispenser control to be connected with PLC.Such set
Meter is beneficial to Based Intelligent Control.
Advantages of the present invention and having the beneficial effects that: have fluorine medicament by throwing in first order reaction pond, can be preferable
Fluorion in waste water is carried out reaction precipitation, is removed in first stage precipitation tank, then in follow-up secondary response pond and
Second-level settling pond carries out flocks adsorption precipitation, other dirts are removed, it is achieved preferably purification function.
Accompanying drawing explanation
Fig. 1 is that present system connects frame diagram；
Fig. 2 is first order reaction pool structure schematic diagram of the present invention；
Fig. 3 is that in first order reaction pond of the present invention, polytetrafluoroethylene film coordinates schematic diagram with cell body sidewall；
Fig. 4 is to precipitate flow-disturbing in first stage precipitation tank to collide mechanism's structural representation.
In figure: 1, the double accident pool of regulation；2, first order reaction pond；3, first stage precipitation tank；4, one-level rabbling mechanism；5, one-level is dirty
Mud outlet；6, secondary response pond；7, second-level settling pond；10, intermediate pool；11, clear water reserviors；12, activated alumina filter；
13, sludge-tank；14, sludge dewatering equipment；15, one-level mud return line；16, first flow-disturbing propeller；17, flow-disturbing spiral again
Oar；18, flow-disturbing support；20, cell body；21, pipeline is cleaned；22, shower nozzle is cleaned；23, polytetrafluoroethylene film；24, magnetic powder；25、
Iron suction sheet；28, fluorine remover；29, secondary cycle pump；30, diode declines filter membrane.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is further described.Following example are only
For technical scheme is clearly described, and can not limit the scope of the invention with this.
As Figure 1-Figure 4, a kind of fluorine-contained wastewater treatment system, including regulating double accident pool 1, described regulation is held concurrently accident pool
The outlet of 1 connects with first order reaction pond 2 water inlet, and water side, described first order reaction pond 2 is with first stage precipitation tank 3 water inlet end even
Logical, described first order reaction pond 2 is provided with one-level rabbling mechanism 4, and throwing in described first order reaction pond 2 has fluorine medicament, and described one
It is provided with one-level sludge outlet 5 bottom level sedimentation tank 3；
Water side, described first stage precipitation tank 3 top connects with secondary response pond 6 water inlet, water side, described secondary response pond 6 with
Second-level settling pond 7 water inlet end connects, and described secondary response pond 6 is provided with secondary blender structure, throws in described secondary response pond 6
There is flocculation medicament, bottom described second-level settling pond 7, be provided with secondary sludge outlet；
Water side, described second-level settling pond 7 top connects with intermediate pool 10, and described intermediate pool 10 connects with clear water reserviors 11, in
Between be provided with activated alumina filter 12 between pond 10 and clear water reserviors 11；
Described one-level sludge outlet 5, secondary sludge outlet all connect with sludge-tank 13, described sludge-tank 13 and sludge dewatering
Machine 14 connects.
One-level mud return line 15 road it is additionally provided with between described one-level sludge outlet 5 and first order reaction pond 2；Described one-level
Being additionally provided with precipitation flow-disturbing in sedimentation tank 3 and collide mechanism, described precipitation flow-disturbing collides mechanism and includes being arranged in the middle part of first stage precipitation tank 3
The first flow spoiler of the degree of depth, and it is arranged on the flow spoiler again of the first stage precipitation tank 3 middle and lower part degree of depth；Described first flow spoiler bag
Including multiple first flow-disturbing propeller 16, the drain-side of described first flow-disturbing propeller 16 is upward；Described flow spoiler again includes many
The individual propeller of flow-disturbing again 17, the drain-side of the described propeller of flow-disturbing again 17 is upward；Disturbing of described first flow-disturbing propeller 16
Intensity of flow is less than the flow-disturbing intensity of flow-disturbing propeller 17 again.
Described first flow-disturbing propeller 16 and again flow-disturbing propeller 17 are fastened on flow-disturbing support 18, described for the first time
Flow-disturbing propeller 16 and again flow-disturbing propeller 17 all with waterproof micromachine drive connection, described waterproof micromachine and electric power storage
Pond is by wire for electrical connection, and described wire is provided with control switch.
It is additionally provided with secondary sludge reflux line between described secondary sludge outlet and secondary response pond 6.
Described first order reaction pond 2 includes that cell body 20, described cell body 20 sidewall are provided with mud flusher；Described mud rushes
Cleaning device includes cleaning pipeline 21 and being distributed on the cleaning shower nozzle 22 cleaned on pipeline 21, and cell body 20 pressed close to by described cleaning pipeline 21
Sidewall is distributed, and the injection direction of described cleaning shower nozzle 22 is towards cell body 20 sidewall；The input of described cleaning pipeline 21 and air pump
Or water pump connects.
Described cell body 20 inner face is adsorbed with polytetrafluoroethylene film 23, and mixing in described polytetrafluoroethylene film 23 has magnetic powder
24, described cell body 20 sidewall is embedded with iron suction sheet 25, and described iron suction sheet 25 to cell body 20 sidewall surfaces distance is
0.1mm。
Described second-level settling pond 7 top is connected by secondary cycle pump 29 filter membrane 30 that declines with diode, described diode
The filter membrane 30 that declines is crossed drainage water side and is connected with fluorine remover 28, and described fluorine remover 28 connects with clear water reserviors 11；Described diode formula
The outfall of micro-filtration membrane 30 connects with secondary sludge reflux line.
Described first order reaction pond 2 is provided with one-level pH sensor and removes fluorine medicament delivery device, described in go fluorine medicament to throw
Put device and include sodium hydroxide metering dispenser and calcium chloride metering dispenser；Described secondary response pond 6 is provided with two grades of pH value inspections
Surveying device and flocculation medicament delivery device thereof, described flocculation medicament delivery device includes HCl metering dispenser, PAC metering dispenser and PAM
Metering dispenser.
Described one-level pH sensor, two grades of pH sensor, sodium hydroxide metering dispenser, calcium chloride meterings are thrown in
Device, HCl metering dispenser, PAC metering dispenser and PAM metering dispenser control to be connected with PLC.
In use, fluoride waste first enter regulation hold concurrently accident pool 1, regulation hold concurrently accident pool 1 primarily serve the purpose of regulating pondage and
Regulation concentration of wastewater, in order to reach to enter the input standard in first order reaction pond 2, be then promoted to first order reaction pond 2 by sewage pump
Reaction, adds sodium hydroxide and calcium chloride in reaction tank, and PH is about 10 in control, F in waste water-With part heavy metal element
(calcium ion) forms indissoluble material (calcium fluoride), sewage self-flowing to first stage precipitation tank 3, precipitation major part indissoluble in the basic conditions
Material, partly precipitated mud passes through one-level mud return line 15 foldback first order reaction pond 2, and supernatant gravity flow acts on into secondary response
Pond 6；Respectively regulation waste water in PH(pass through hydrochloric acid), in sewage, add PAC, PAM, under the conditions of proper acidity or alkalinity occur flocculation make
With.Sewage flows into second-level settling pond 7 through gravity flow effect, and the flocculate precipitate precipitation that will be formed, partly precipitated passes through secondary sludge
Return duct foldback secondary response pond 6.Sewage flow to intermediate pool 10 the most after precipitation, is then risen to filter by force (forcing) pump and enters
Row filters the F in sewage after activated alumina filter 12 device processes again-Discharge after reaching discharge standard.
In sewage disposal process produce mud, gravity flow enter sludge-tank 13, a part of sludge reflux to reaction tank, another
Partial sludge is periodically carried out processed by sludge dewatering equipment 14.Mud outward transport landfill disposal after process.
During overhaul of the equipments, a secondary response pond 6, the draining of sedimentation tank and activated alumina filter 12 backwashing water,
The regenerative wastewater of activated alumina filter 12, the filtrate of sludge dewatering equipment 14, enter sump through gravity flow, then send into through water pump
Regulating reservoir, reprocesses.
In order to improve the volume precipitating particulate matter in first stage precipitation tank 3, in first stage precipitation tank 3, it is additionally provided with precipitation flow-disturbing collision
Mechanism, described precipitation flow-disturbing collides mechanism and includes being arranged on the first flow spoiler of the degree of depth in the middle part of first stage precipitation tank 3, and is arranged on
The flow spoiler again of the first stage precipitation tank 3 middle and lower part degree of depth；Described first flow spoiler includes multiple first flow-disturbing propeller 16, described
The drain-side of first flow-disturbing propeller 16 is upward；Described flow spoiler again includes multiple propeller of flow-disturbing again 17, described again
The drain-side of flow-disturbing propeller 17 is upward；The flow-disturbing intensity of described first flow-disturbing propeller 16 is less than flow-disturbing propeller 17 again
Flow-disturbing intensity.The used herein fluorine medicament that goes is that sodium hydroxide and calcium chloride, wherein fluorion and calcium binding are formed
Calcium fluoride precipitate, sodium hydroxide is for regulating the outside alkaline environment of above-mentioned reaction；By in sludge outlet and first order reaction
Arrange one-level mud return line 15 road between pond 2 can be again back to by the calcium fluoride precipitate that come into first stage precipitation tank 3
In first order reaction pond 2 (being completed by the pump housing)；The benefit of do so has following 2 points: first, carries big in the mud of backflow
The unreacted calcium ion of amount, improves the utilization rate of fluorine medicament, decreases the generation amount of mud；Second, big in returned sludge
The calcium fluoride precipitate granule of amount becomes nucleus in new precipitate forming process, accelerates the formation of calcium fluoride precipitate, the most favorably
In forming bigger precipitation granule in precipitation, Accelerated subsidence, improves the effect of mud-water separation, the precipitation that wherein volume is the biggest
Grain its to adsorb other sedimentary effects as nucleus the most obvious.
The purpose wherein arranging precipitation flow-disturbing collision mechanism in first stage precipitation tank 3 is, will flow into first stage precipitation tank 3
It is carried out colliding in conjunction with absorption shape by the way of flow-disturbing in first stage precipitation tank 3 by the granule precipitate in sewage mixed flow
The precipitate particles of Cheng Geng great；Owing to not having turbulence structure, precipitate free-falling in existing sedimentation tank structure, horizontal touches
Hit almost nil, be unfavorable for that less precipitation granule combines and form bigger precipitate particles；In this application by disturbing for the first time
Little precipitate particles flow-disturbing collision is formed medium precipitate particles by stream device, then by flow spoiler again by medium precipitate
The collision of granule flow-disturbing forms bigger precipitate particles, and the precipitate finally formed bottom first stage precipitation tank 3 is long-pending the biggest
Precipitation granule, is passed through to play preferable nucleus in one-level mud return line 15 road is back to first order reaction pond 2 again
Adsorption；Meanwhile, first flow spoiler is arranged on the degree of depth in the middle part of first stage precipitation tank 3, and flow spoiler is arranged on one-level and sinks again
Middle and lower part, pond, shallow lake 3 degree of depth, precipitation, will not be to sedimentary deposition by the sinking that also can gradually affranchise after the region of flow-disturbing
Cause large effect.
In use, the pool wall in first order reaction pond 2 often adheres to some mud, reaction can be occupied in the course of time
The volume in pond.So being provided with mud flusher on cell body 20 sidewall in first order reaction pond 2；Described mud flusher includes
Cleaning pipeline 21 and be distributed on the cleaning shower nozzle 22 cleaned on pipeline 21, the distribution of cell body 20 sidewall pressed close to by described cleaning pipeline 21,
The injection direction of described cleaning shower nozzle 22 is towards cell body 20 sidewall；The input of described cleaning pipeline 21 connects with air pump or water pump
Connect.By mud flusher, the alluvial mud on cell body 20 sidewall can be rinsed, it is to avoid mud sticks to cell body 20
The volume in first order reaction pond 2 is reduced on sidewall.
Relatively big at fluoride waste water yield, in the case of double accident pool 1 volume of regulation is critical, or the water of clear water reserviors 11 is made
For cycling use of water uses not enough time, need to accelerate the treatment effeciency to fluoride waste, due to only first order reaction pond 2, one-level
Sedimentation tank 3, secondary response pond 6, the treatment effeciency relatively low (precipitating slower) of second-level settling pond 7, so increase on second-level settling pond 7
Add the quick tupe of efficiency circulating pump+tube type filter membrance+fluorine remover 28 faster, in order to reply special circumstances.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvements and modifications, these improvements and modifications
Also should be regarded as the protection domain of invention.
Claims (9)
1. a fluorine-contained wastewater treatment system, it is characterised in that: including regulating double accident pool, described regulation is held concurrently the water outlet of accident pool
Mouth connects with first order reaction pond water inlet, and water side, described first order reaction pond connects with first stage precipitation tank water inlet end, described one-level
Reaction tank is provided with one-level rabbling mechanism, and throwing in described first order reaction pond has fluorine medicament, sets bottom described first stage precipitation tank
There is one-level sludge outlet；
Water side, described first stage precipitation tank top connects with secondary response pond water inlet, water side, described secondary response pond and two grades
Sedimentation tank water inlet end connects, and described secondary response pond is provided with secondary blender structure, and throwing in described secondary response pond has flocculation
Medicament, is provided with secondary sludge outlet bottom described second-level settling pond；
Water side, described second-level settling pond top connects with intermediate pool, and described intermediate pool connects with clear water reserviors, intermediate pool
And it is provided with activated alumina filter between clear water reserviors；
Described one-level sludge outlet, secondary sludge outlet all connect with sludge-tank, and described sludge-tank is with sludge dewatering equipment even
Logical.
2. fluorine-contained wastewater treatment system as claimed in claim 1, it is characterised in that: described one-level sludge outlet is anti-with one-level
One-level sludge return pipe it is additionally provided with between Ying Chi；It is additionally provided with precipitation flow-disturbing in described first stage precipitation tank and collides mechanism, described heavy
Shallow lake flow-disturbing collision mechanism includes being arranged on the first flow spoiler of the degree of depth in the middle part of first stage precipitation tank, and is arranged in first stage precipitation tank
The flow spoiler again of lower depth；Described first flow spoiler includes multiple first flow-disturbing propeller, described first flow-disturbing propeller
Drain-side upward；Described flow spoiler again includes multiple flow-disturbing propeller again, the drain-side of the described propeller of flow-disturbing again
Upward；The flow-disturbing intensity of described first flow-disturbing propeller is less than the flow-disturbing intensity of flow-disturbing propeller again.
3. fluorine-contained wastewater treatment system as claimed in claim 2, it is characterised in that: described first flow-disturbing propeller and again disturbing
Stream propeller be fastened on flow-disturbing support, described first flow-disturbing propeller and again flow-disturbing propeller all with waterproof micro electric
Machine drive connection, described waterproof micromachine supplies to electrically connect by wire with accumulator, and described wire is provided with control switch.
4. fluorine-contained wastewater treatment system as claimed in claim 3, it is characterised in that: described secondary sludge outlet is anti-with two grades
Secondary sludge reflux line it is additionally provided with between Ying Chi.
5. fluorine-contained wastewater treatment system as claimed in claim 4, it is characterised in that: described first order reaction pond includes cell body, institute
State cell body sidewall and be provided with mud flusher；Described mud flusher includes cleaning pipeline and being distributed on cleaning pipeline
Cleaning shower nozzle, the distribution of cell body sidewall pressed close to by described cleaning pipeline, and the injection direction of described cleaning shower nozzle is towards cell body sidewall；Described
The input cleaning pipeline is connected with air pump or water pump.
6. fluorine-contained wastewater treatment system as claimed in claim 5, it is characterised in that: described cell body inner face is adsorbed with polytetrafluoroethyl-ne
Alkene thin film, mixes in described polytetrafluoroethylene film and has magnetic powder, and described cell body sidewall is embedded with iron suction sheet, described iron suction
Radix Aconiti Lateralis Preparata is 0.1mm to cell body sidewall surfaces distance.
7. fluorine-contained wastewater treatment system as claimed in claim 6, it is characterised in that: described second-level settling pond top passes through two grades
The circulating pump filter membrane that declines with diode connects, and the described diode membrane filtration water water side that declines connects with fluorine remover, described removes
Fluorine device connects with clear water reserviors；The decline outfall of filter membrane of described diode connects with secondary sludge reflux line.
8. fluorine-contained wastewater treatment system as claimed in claim 7, it is characterised in that: described first order reaction pond is provided with one-level PH
Value detector and remove fluorine medicament delivery device, described in go fluorine medicament delivery device to include sodium hydroxide metering dispenser and calcium chloride meter
Amount dispenser；Described secondary response pond is provided with two grades of pH sensor and flocculation medicament delivery device thereof, and described flocculation medicament is thrown
Put device and include that HCl metering dispenser, PAC metering dispenser and PAM measure dispenser.
9. fluorine-contained wastewater treatment system as claimed in claim 8, it is characterised in that: described one-level pH sensor, two grades of PH
Value detector, sodium hydroxide metering dispenser, calcium chloride metering dispenser, HCl metering dispenser, PAC metering dispenser and PAM
Metering dispenser controls to be connected with PLC.
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| CN201610589782.6A CN106145441A (en) | 2016-07-26 | 2016-07-26 | A kind of fluorine-contained wastewater treatment system |
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| CN201610589782.6A CN106145441A (en) | 2016-07-26 | 2016-07-26 | A kind of fluorine-contained wastewater treatment system |
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| CN111646591A (en) * | 2020-06-08 | 2020-09-11 | 苏州晟德水处理有限公司 | Treatment method of semiconductor fluorine-containing wastewater |
| CN114314905A (en) * | 2021-12-13 | 2022-04-12 | 南京华创环境工程有限公司 | Photovoltaic industry mixed acid wastewater treatment and recycling equipment and use method thereof |
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Application publication date: 20161123 |