CN105836938A - Device for treating smelting wastewater containing heavy metals and fluoride ions - Google Patents
Device for treating smelting wastewater containing heavy metals and fluoride ions Download PDFInfo
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- CN105836938A CN105836938A CN201610393633.2A CN201610393633A CN105836938A CN 105836938 A CN105836938 A CN 105836938A CN 201610393633 A CN201610393633 A CN 201610393633A CN 105836938 A CN105836938 A CN 105836938A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
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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
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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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
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
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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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Abstract
The invention relates to a device for treating smelting wastewater containing heavy metals and fluoride ions. The device comprises a wastewater regulating tank, an adsorption coagulation precipitation tank, an electrolytic tank and a flowing sand filter. The adsorption coagulation precipitation tank comprises an adsorption area, a coagulation area and a precipitation area. The middle upper portion of the adsorption area is provided with a water inlet pipe of the adsorption coagulation precipitation tank, the upper portion of the adsorption area is provided with an adsorbent adding and measuring system, the middle upper portion of the coagulation area is provided with a coagulant adding and measuring system, the upper portion of an outlet of the precipitation area is provided with an overflow weir of the adsorption coagulation precipitation tank, the bottom of the precipitation area is of a conical structure, and the bottom of the conical structure is provided with a precipitate discharge valve. The electrolytic tank is of structure with a left chamber and a right chamber, and the left chamber and the right chamber are an anode chamber and a cathode chamber respectively. The anode chamber is communicated with the middle lower portion of the cathode chamber, the upper portion of the anode chamber is separated through a partition plate, the anode chamber and the cathode chamber are provided with a positive electrode plate and a negative electrode plate, and the positive electrode plate and the negative electrode plate are connected with an external positive power supply and an external negative power supply respectively. The flowing sand filter comprises a water distribution area, a sand washing area and a sand filter area.
Description
Technical field
The present invention relates to environmental technology field, be specifically related to a kind of place containing heavy metal Yu fluorion smelting wastewater
Reason device.
Background technology
Metallurgy industry is mainstay of the national economy industry, and along with the fast development of China's economy, metallurgy industry is also
The longest, produce substantial amounts of smelting wastewater.Due to smelting wastewater, to there is complicated component, wastewater flow rate big, sour
The problems such as concentration height, toxicity, after entering earth's surface without the smelting wastewater effectively processed, not only can endanger
Ecological environment, and can polluted drinking water and water for industrial use.Polluter in waste water is in the environment through long-pending
Tire out, migrate, after the process such as conversion, enter in people and animal and plant body, make people and vegeto-animal health be subject to
The biggest threat, it is therefore necessary to be effectively treated it, by Pollutant Treatment therein to relevant criterion requirement
And following level.
At present, processing smelting wastewater most common method both at home and abroad is lime precipitation, but this method exists more
Problem such as produces a large amount of sediment, process after water outlet in calcium ion concentration is higher, fluorion treatment effect reaches not
Arrive emission request etc..And existing process technique generally exists that processing means is more, investment and operating cost
The problem such as big compared with high, energy consumption, cell processing load is relatively low.
Summary of the invention
The technical problem to be solved in the present invention is: above-mentioned containing heavy metal and fluorion smelting wastewater in order to solve
Process problem, the present invention provides a kind of processing means containing heavy metal Yu fluorion smelting wastewater.
The technical solution adopted for the present invention to solve the technical problems is: a kind of heavy metal that contains is smelted with fluorion
The processing means of waste water, including wastewater equalization pond, absorption and coagulation sedimentation tank, electrolyzer and flowing sand filter tank,
Wastewater equalization pond, absorption and coagulation sedimentation tank, electrolyzer and flowing sand filter tank are sequentially communicated.
Described wastewater equalization pond includes regulating reservoir water inlet pipe and regulating reservoir outlet pipe, for regulating the water of waste water
Matter and the water yield.
Described absorption and coagulation sedimentation tank includes adsorption zone, coagulation district and settling zone.
The middle and upper part of described adsorption zone is provided with absorption and coagulation sedimentation tank water inlet pipe, and the top of adsorption zone is arranged
Adsorbent is had to add metering system；The middle part of adsorption zone is provided with adsorption zone agitator, and the bottom of adsorption zone sets
Having the base plate of inclination, the waste water after adsorption reaction flows into the middle and lower part in coagulation district along the base plate tilted.
The preparation process of adsorbent is:
1. flyash, clay and calcium carbonate are pulverized respectively, sieved, the mix and blend of 3:3:4 in mass ratio；
2. stirring mixed mixture and the water mixing and stirring of 3:7 in mass ratio, natural air drying, powder
Broken, sieve；
3. the mixture after screening is calcined 60～120 minutes at 700～1200 DEG C；
4. calcined material cooled down, pulverize, sieve, prepare adsorbent.
Being provided with flow-stopping plate between described adsorption zone and coagulation district, the bottom of flow-stopping plate is provided with the corner of 45 degree,
Corner turns to side, adsorption zone.The middle and upper part in coagulation district is provided with coagulant and adds metering system, and described is mixed
Solidifying agent is iron chloride or ferrum sulfuricum oxydatum solutum.Bottom, coagulation district is provided with coagulation district agitating device.
It is provided with cutoff board, this cutoff board and the inwall of absorption and coagulation sedimentation tank between described coagulation district and settling zone
Forming the waste water runner entering settling zone as waste water, the exit of settling zone is provided with absorption and coagulation sedimentation tank three
Phase separator, the outlet top of settling zone is provided with absorption and coagulation sedimentation tank overfalling weir, and settling zone bottom design becomes
Pyramidal structure, is provided with sediment discharge valve bottom pyramidal structure.Absorption and coagulation sedimentation tank overfalling weir connects
Absorption and coagulation sedimentation tank outlet pipe, absorption and coagulation sedimentation tank outlet pipe connects electrolyzer water inlet pipe.
Described electrolyzer is provided with electrolyzer water inlet pipe and electrolyzer outlet pipe, the connection absorption of electrolyzer water inlet pipe
Coagulative precipitation tank outlet pipe；Described electrolyzer is left and right two cell structure, respectively cathode chamber and anode chamber,
Described cathode chamber connects with the middle and lower part of anode chamber, and top is separated by dividing plate, and cathode chamber and anode chamber set respectively
Positive and negative two battery lead plates, positive and negative two battery lead plates are had to connect outside positive-negative power respectively；Cathode chamber and anode chamber
Top be conical structure, the top of conical structure is provided with discharge；Further, with ruthenium-iridium-tantalum electricity
Pole or ruthenium-iridium-tantalum tin electrode or iridium tantalum Ti electrode or iridium tantalum titanium tin electrode are positive electrode, and Ti electrode is negative pole material
Material；Ferrum carbon granule it is filled with in electrolyzer；The exit of electrolyzer is provided with electrolyzer three phase separator, outlet
Top is provided with electrolyzer overfalling weir, and electrolyzer overfalling weir connects electrolyzer outlet pipe；Electrolyzer outlet pipe connects
Flowing sand filter tank water inlet pipe.
Described flowing sand filter tank include flowing sand filter tank water inlet pipe and after discharging process the flowing sand filter tank of water
Outlet pipe, described flowing sand filter tank includes water distribution area, washed-out sand district and sand filtration district；Described water distribution area is positioned at
The bottom in flowing sand filter tank, water distribution area is provided with flowing sand filter tank water distributor, and flowing sand filter tank water distributor connects stream
Dynamic sand filter water inlet pipe, the effect processed for waste water is more preferable, and described flowing sand filter tank water distributor is arranged to
Concentric circles, flowing sand filter tank water distributor has downward radiation outlet；Described washed-out sand district is positioned at stream
The center of dynamic sand filter, for cylindrical barrel structure, cylindrical barrel structure lower ending opening is positioned at flowing sand filtration
The bottommost in pond, cylindrical barrel structure upper end open is positioned at the top in flowing sand filter tank, the middle part in washed-out sand district
Being provided with stripping tube, stripping tube connects the flowing sand filter tank aerator outside flowing sand filter tank, and the top in washed-out sand district sets
Sand water precipitation Disengagement zone, the top of sand water precipitation Disengagement zone is had to be provided with washed-out sand district overfalling weir, washed-out sand district overfalling weir
Connecting washed-out sand water discharge spout and absorption and coagulation sedimentation tank water inlet pipe, the bottom of sand water precipitation Disengagement zone is provided with back sand
Passage；Described sand filtration district is positioned at the periphery in washed-out sand district, is filled with fine sand in sand filtration district, and top, sand filtration district sets
Having sand filtration district overfalling weir, sand filtration district overfalling weir connects flowing sand filter tank outlet pipe, and flowing sand filter processes
After water qualified discharge.
A kind of side using the above-mentioned processing means containing heavy metal Yu fluorion smelting wastewater to carry out waste water process
Method, has following steps:
1. smelting wastewater enters wastewater equalization pond, regulating water quality and the water yield by regulating reservoir water inlet pipe.
The most then waste water enters adsorption zone by absorption and coagulation sedimentation tank water inlet pipe, and adsorbent adds metering system
Adding adsorbent, adsorption zone agitator is stirred mixing to waste water, and the ion in waste water is adsorbed by adsorbent
And absorption.
3. the space between waste water is provided with by bottom, adsorption zone inclined floor and flow-stopping plate enters coagulation district,
Mix with the coagulant solution adding metering system from coagulant, utilize and be arranged on the coagulation bottom coagulation district
District's agitating device is stirred.
The most then waste water enters settling zone, absorption and coagulation sedimentation tank three phase separator realize waste water and solid point
From, precipitate sinks to the bottom of settling zone under gravity, is arranged by the sediment discharge valve of bottom
Going out, the waste water after precipitation enters electricity by absorption and coagulation sedimentation tank overfalling weir and absorption and coagulation sedimentation tank outlet pipe
Solve pond water inlet pipe.
5. the waste water from absorption and coagulation sedimentation tank enters electrolyzer, the dirt in waste water by electrolyzer water inlet pipe
Dye thing is electrolysed, and the waste water after electrolysis processes enters flowing sand filter tank water inlet pipe by electrolyzer outlet pipe.
6. waste water enters the bottom in flowing sand filter tank by flowing sand filter tank water inlet pipe, flowing sand filter tank water distributor,
Flowing sand filter tank water distributor realizes water distribution uniformity, and waste water enters sand filtration district, and the pollutant in waste water are by further
Filtering, then waste water is flowed out through sand filtration district by sand filtration district overfalling weir and flowing sand filter tank outlet pipe, row up to standard
Put；The air-flow that flowing sand filter tank aerator produces drives the Sha Heshui in washed-out sand district to flow up, simultaneously to sand
Being rinsed, air-flow drives the sand in washed-out sand district and water to enter sand water precipitation Disengagement zone, due to sand and the ratio of water
Weight difference, fine deposition goes down and flows into sand filtration district by returning sand passage, it is achieved the fine sand in sand filtration district is continuous
Movement from top to bottom, the water in sand water precipitation Disengagement zone is entered by washed-out sand district overfalling weir and washed-out sand water discharge spout
Enter absorption and coagulation sedimentation tank to reprocess.
7. absorption and coagulation sedimentation tank discharge precipitate concentrated, dehydration after transport outward.
The invention has the beneficial effects as follows: treatment in accordance with local conditions, capital expenditure is few, easy to maintenance, and energy consumption is relatively low, right
Waste water has reasonable treatment effect.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of embodiment of the present invention absorption and coagulation sedimentation tank.
In Fig. 1: 1. absorption and coagulation sedimentation tank, 1-1. adsorption zone, 1-2. coagulation district, 1-3. settling zone,
1-4. absorption and coagulation sedimentation tank water inlet pipe, 1-5. adsorbent interpolation metering system, 1-6. adsorption zone agitator,
1-7. base plate, 1-8. flow-stopping plate, 1-9. coagulant interpolation metering system, 1-10. coagulation district agitating device,
1-11. cutoff board, 1-12. absorption and coagulation sedimentation tank three phase separator, 1-13. absorption and coagulation sedimentation tank spilling water
Weir, 1-14. sediment discharge valve.
Fig. 2 (a) is the schematic cross section of embodiment of the present invention electrolyzer, and Fig. 2 (b) is that the present invention implements
The vertical section schematic diagram of example electrolyzer.
In Fig. 2 (a) and Fig. 2 (b): 2. electrolyzer, 2-1. electrolyzer water inlet pipe, 2-2. electrolyzer goes out
Water pipe, 2-3. cathode chamber, 2-4. anode chamber, 2-5. dividing plate, 2-6. positive plate, 2-7. negative plate, 2-8.
Discharge, 2-9. ferrum carbon granule, 2-10. electrolyzer three phase separator, 2-11. electrolyzer overfalling weir.
Fig. 3 is the structural representation in embodiment of the present invention flowing sand filter tank.
In Fig. 3: 3. flowing sand filter tank, 3-1. flowing sand filter tank water inlet pipe, 3-2. flowing sand filter tank water distribution
Pipe, 3-3. stripping tube, 3-4. flowing sand filter tank aerator, 3-5. washed-out sand district overfalling weir, 3-6. returns sand
Passage, 3-7. sand filtration district overfalling weir.
Fig. 4 is the process chart of the embodiment of the present invention.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are rough schematic view,
The basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
Embodiment
As shown in Figure 1 to 4, a kind of processing means containing heavy metal Yu fluorion smelting wastewater of the present invention, bag
Include wastewater equalization pond, absorption and coagulation sedimentation tank 1, electrolyzer 2 and flowing sand filter tank 3, wastewater equalization pond, suction
Attached coagulative precipitation tank 1, electrolyzer 2 and flowing sand filter tank 3 are sequentially communicated.
Described wastewater equalization pond includes regulating reservoir water inlet pipe and regulating reservoir outlet pipe, for regulating the water of waste water
Matter and the water yield.
Described absorption and coagulation sedimentation tank 1 includes adsorption zone 1-1, coagulation district 1-2 and settling zone 1-3.
The middle and upper part of described adsorption zone 1-1 is provided with absorption and coagulation sedimentation tank water inlet pipe 1-4, adsorption zone upper
Portion is provided with adsorbent and adds metering system 1-5, and the middle part of adsorption zone is provided with adsorption zone agitator 1-6；Inhale
The bottom in attached district is provided with the base plate 1-7 of inclination, and the waste water after adsorption reaction flows into coagulation district along the base plate tilted
The middle and lower part of 1-2.
The preparation process of adsorbent is:
1. flyash, clay and calcium carbonate are pulverized respectively, sieved, the mix and blend of 3:3:4 in mass ratio；
2. stirring mixed mixture and the water mixing and stirring of 3:7 in mass ratio, natural air drying, powder
Broken, sieve；
3. the mixture after screening is calcined 60～120 minutes at 700～1200 DEG C；
4. calcined material cooled down, pulverize, sieve, prepare adsorbent.
Being provided with flow-stopping plate 1-8 between described adsorption zone 1-1 and coagulation district 1-2, the bottom of flow-stopping plate 1-8 sets
Being equipped with the corner of 45 degree, corner turns to side, adsorption zone.The middle and upper part of coagulation district 1-2 is provided with coagulant and adds
Adding metering system 1-9, described coagulant is iron chloride or ferrum sulfuricum oxydatum solutum.Bottom, coagulation district is provided with coagulation
District agitating device 1-10.
It is provided with cutoff board 1-11, this cutoff board and absorption and coagulation between described coagulation district 1-2 and settling zone 1-3
The inwall of sedimentation tank forms the waste water runner entering settling zone 1-3 as waste water, the exit of settling zone 1-3
Being provided with absorption and coagulation sedimentation tank three phase separator 1-12, the outlet top of settling zone is provided with absorption and coagulation sedimentation tank
Overfalling weir 1-13, the tapered structure of settling zone bottom design, bottom pyramidal structure, it is provided with sediment discharge
Valve 1-14.Absorption and coagulation sedimentation tank overfalling weir 1-13 connects absorption and coagulation sedimentation tank outlet pipe, and absorption and coagulation sinks
Pond, shallow lake outlet pipe connects electrolyzer water inlet pipe.
Described electrolyzer 2 is provided with electrolyzer water inlet pipe 2-1 and electrolyzer outlet pipe 2-2, electrolyzer water inlet pipe
2-1 connects absorption and coagulation sedimentation tank outlet pipe；Described electrolyzer 2 is left and right two cell structure, respectively positive pole
Room 2-3 and anode chamber 2-4, described cathode chamber 2-3 connects with the middle and lower part of anode chamber 2-4, and top is by dividing plate
2-5 separates, and cathode chamber 2-3 is provided with positive plate 2-6, and anode chamber 2-4 is provided with negative plate 2-7, positive and negative two
Battery lead plate connects outside positive-negative power respectively, and the top of cathode chamber and anode chamber is conical structure, cone
The top of structure is designed with discharge 2-8；Further, with ruthenium-iridium-tantalum electrode or ruthenium-iridium-tantalum tin electrode or iridium tantalum
Ti electrode or iridium tantalum titanium tin electrode are positive plate material, and Ti electrode is negative plate material；It is filled with in electrolyzer
Ferrum carbon granule 2-9；The exit of electrolyzer is provided with electrolyzer three phase separator 2-10, and outlet top is provided with electricity
Solving pond overfalling weir 2-11, electrolyzer overfalling weir connects electrolyzer outlet pipe, electrolyzer outlet pipe connection flowing sand
Filter tank water inlet pipe.
Described flowing sand filter tank 3 includes flowing sand filter tank water inlet pipe 3-1 and the flowing of water after discharging process
Sand filter outlet pipe, described flowing sand filter tank includes water distribution area, washed-out sand district and sand filtration district；Described water distribution
District is positioned at the bottom in flowing sand filter tank, and water distribution area is provided with flowing sand filter tank water distributor 3-2, flowing sand filter tank water distribution
Pipe 3-2 connects flowing sand filter tank water inlet pipe 3-1, and the effect processed for waste water is more preferable, described flowing sand filtration
Pond water distributor 3-2 is arranged to concentric circles, and flowing sand filter tank water distributor has downward radiation outlet；
Described washed-out sand district is positioned at the center in flowing sand filter tank, for cylindrical barrel structure, under cylindrical barrel structure
End opening is positioned at the bottommost in flowing sand filter tank, and cylindrical barrel structure upper end open is positioned at flowing sand filter tank
Top, the middle part in washed-out sand district is provided with stripping tube 3-3, stripping tube 3-3 and connects the flowing sand filtration outside flowing sand filter tank
Pond aerator 3-4, the top in washed-out sand district is provided with sand water precipitation Disengagement zone, and the top of sand water precipitation Disengagement zone is provided with
Washed-out sand district overfalling weir 3-5, washed-out sand district overfalling weir 3-5 connect washed-out sand water discharge spout and the water inlet of absorption and coagulation sedimentation tank
Pipe, the bottom of sand water precipitation Disengagement zone is provided with back sand passage 3-6；Described sand filtration district is positioned at the periphery in washed-out sand district,
Being filled with fine sand in sand filtration district, top, sand filtration district is provided with sand filtration district overfalling weir 3-7, sand filtration district overfalling weir 3-7 even
Connect flowing sand filter tank outlet pipe, the water qualified discharge after the process of flowing sand filter.
A kind of side using the above-mentioned processing means containing heavy metal Yu fluorion smelting wastewater to carry out waste water process
Method, has following steps:
1. smelting wastewater enters wastewater equalization pond, regulating water quality and the water yield by regulating reservoir water inlet pipe.
The most then waste water enters adsorption zone 1-1 by absorption and coagulation sedimentation tank water inlet pipe 1-4, and adsorbent adds meter
Amount system 1-5 add adsorbent, adsorption zone agitator 1-6 waste water is stirred mixing, in waste water from
Son is adsorbed by adsorbent and absorbs.
3. the space between waste water is provided with by bottom, adsorption zone inclined floor 1-7 and flow-stopping plate 1-8 enters
Coagulation district 1-2, mixes with the coagulant solution adding metering system from coagulant, utilizes and be arranged on coagulation district
The coagulation district agitating device 1-10 of bottom is stirred.
4. waste water enters settling zone 1-3, absorption and coagulation sedimentation tank three phase separator 1-12 and realizes waste water and solid
Separation, precipitate sinks to the bottom of settling zone under gravity, by the sediment discharge of bottom
Valve 1-14 discharges, and the waste water after precipitation is precipitated by absorption and coagulation sedimentation tank overfalling weir 1-13 and absorption and coagulation
Pond outlet pipe enters electrolyzer water inlet pipe.
5. the waste water from absorption and coagulation sedimentation tank enters electrolyzer 2 by electrolyzer water inlet pipe 2-1, in waste water
Pollutant be electrolysed, electrolysis process after waste water by electrolyzer outlet pipe 2-2 entrance flowing sand filter tank enter
Water pipe 3-1.
6. waste water enters flowing sand filter tank by flowing sand filter tank water inlet pipe 3-1, flowing sand filter tank water distributor 3-2
Bottom, flowing sand filter tank water distributor 3-2 realizes water distribution uniformity, and waste water enters sand filtration district, the dirt in waste water
Dye thing is further filtered, and then waste water passes sand filtration district, by sand filtration district overfalling weir 3-7 and flowing sand filter tank
Outlet pipe flows out, qualified discharge；The air-flow that flowing sand filter tank aerator 3-4 produces drives the sand in washed-out sand district
Flowing up with water, be rinsed sand simultaneously, then sand and water enter sand water precipitation Disengagement zone, due to sand
Different with the proportion of water, fine deposition goes down and flows into sand filtration district by returning sand passage 3-6, it is achieved sand filtration district
In fine sand constantly movement the most from top to bottom, the water in sand water precipitation Disengagement zone passes through washed-out sand district overfalling weir 3-5
Enter absorption and coagulation sedimentation tank with washed-out sand water discharge spout to reprocess.
7. absorption and coagulation sedimentation tank 1 discharge precipitate concentrated, dehydration after transport outward.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, related work
Personnel completely can be without departing from carrying out various change and amendment in the range of this invention technological thought.
The content that the technical scope of this invention is not limited in description, it is necessary to according to right
Determine its technical scope.
Claims (2)
1. the processing means containing heavy metal with fluorion smelting wastewater, it is characterised in that: include that waste water is adjusted
Joint pond, absorption and coagulation sedimentation tank (1), electrolyzer (2) and flowing sand filter tank (3), wastewater equalization pond, suction
Attached coagulative precipitation tank (1), electrolyzer (2) and flowing sand filter tank (3) are sequentially communicated；
Described wastewater equalization pond includes regulating reservoir water inlet pipe and regulating reservoir outlet pipe, for regulating the water of waste water
Matter and the water yield；
Described absorption and coagulation sedimentation tank (1) includes adsorption zone (1-1), coagulation district (1-2) and settling zone
(1-3)；
The middle and upper part of described adsorption zone (1-1) is provided with absorption and coagulation sedimentation tank water inlet pipe (1-4), absorption
The top in district is provided with adsorbent and adds metering system (1-5), and the middle part of adsorption zone is provided with adsorption zone stirring
Device (1-6)；The bottom of adsorption zone is provided with the base plate (1-7) of inclination, and the waste water after adsorption reaction is along inclination
Base plate flows into the middle and lower part in coagulation district (1-2)；
The preparation process of adsorbent is:
1. flyash, clay and calcium carbonate are pulverized respectively, sieved, the mix and blend of 3:3:4 in mass ratio；
2. stirring mixed mixture and the water mixing and stirring of 3:7 in mass ratio, natural air drying, powder
Broken, sieve；
3. the mixture after screening is calcined 60～120 minutes at 700～1200 DEG C；
4. calcined material cooled down, pulverize, sieve, prepare adsorbent；
Flow-stopping plate (1-8), flow-stopping plate (1-8) it is provided with between described adsorption zone (1-1) and coagulation district (1-2)
Bottom be provided with the corner of 45 degree, corner turns to side, adsorption zone；The middle and upper part in coagulation district (1-2) sets
Being equipped with coagulant and add metering system (1-9), described coagulant is iron chloride or ferrum sulfuricum oxydatum solutum；Coagulation
District (1-2) bottom is provided with coagulation district agitating device (1-10)；
Be provided with cutoff board (1-11) between described coagulation district (1-2) and settling zone (1-3), this cutoff board with
The inwall of absorption and coagulation sedimentation tank forms the waste water runner entering settling zone (1-3) as waste water, settling zone
(1-3) exit is provided with absorption and coagulation sedimentation tank three phase separator (1-12), the outlet top of settling zone
Being provided with absorption and coagulation sedimentation tank overfalling weir (1-13), the tapered structure of settling zone bottom design, in pyramidal structure
Bottom is provided with sediment discharge valve (1-14)；It is mixed that absorption and coagulation sedimentation tank overfalling weir (1-13) connects absorption
Solidifying sedimentation tank outlet pipe, absorption and coagulation sedimentation tank outlet pipe connects electrolyzer water inlet pipe；
Described electrolyzer (2) is provided with electrolyzer water inlet pipe (2-1) and electrolyzer outlet pipe (2-2), institute
The electrolyzer (2) stated is left and right two cell structure, respectively cathode chamber (2-3) and anode chamber (2-4), institute
Stating cathode chamber (2-3) to connect with the middle and lower part of anode chamber (2-4), top is separated, just by dividing plate (2-5)
Room, pole (2-3) is provided with positive plate (2-6), and anode chamber (2-4) is provided with negative plate (2-7), positive and negative two
Battery lead plate connects outside positive-negative power respectively, and the top of cathode chamber and anode chamber is conical structure, cone
The top of structure is provided with discharge (2-8)；Further, with ruthenium-iridium-tantalum electrode or ruthenium-iridium-tantalum tin electrode or iridium
Tantalum Ti electrode or iridium tantalum titanium tin electrode are positive plate material, and Ti electrode is negative plate material；Fill in electrolyzer
There is ferrum carbon granule (2-9)；The exit of electrolyzer is provided with electrolyzer three phase separator (2-10), exports top
Being provided with electrolyzer overfalling weir (2-11), electrolyzer overfalling weir connects electrolyzer outlet pipe, and electrolyzer outlet pipe is even
Through-flow dynamic sand filter water inlet pipe (3-1)；
Described flowing sand filter tank (3) includes flowing sand filter tank water inlet pipe (3-1) and after discharging process
The flowing sand filter tank outlet pipe of water, described flowing sand filter tank includes water distribution area, washed-out sand district and sand filtration district；Institute
The water distribution area stated is positioned at the bottom in flowing sand filter tank, and water distribution area is provided with flowing sand filter tank water distributor (3-2), stream
Dynamic sand filter water distributor (3-2) connects flowing sand filter tank water inlet pipe (3-1), and the effect processed for waste water is more
Good, described flowing sand filter tank water distributor (3-2) is arranged to concentric circles, on the water distributor of flowing sand filter tank
There is downward radiation outlet；Described washed-out sand district is positioned at the center in flowing sand filter tank, ties for cylindrical barrel
Structure, cylindrical barrel structure lower ending opening is positioned at the bottommost in flowing sand filter tank, cylindrical barrel structure upper end
Opening is positioned at the top in flowing sand filter tank, and the middle part in washed-out sand district is provided with stripping tube (3-3), stripping tube (3-3)
Connecting flowing sand filter tank aerator (3-4) outside flowing sand filter tank, the top in washed-out sand district is provided with sand water precipitation and divides
From district, the top of sand water precipitation Disengagement zone is provided with washed-out sand district overfalling weir (3-5), washed-out sand district overfalling weir (3-5)
Connecting washed-out sand water discharge spout and absorption and coagulation sedimentation tank water inlet pipe, the bottom of sand water precipitation Disengagement zone is provided with back sand
Passage (3-6)；Described sand filtration district is positioned at the periphery in washed-out sand district, is filled with fine sand, sand filtration district in sand filtration district
Top is provided with sand filtration district overfalling weir (3-7), and sand filtration district overfalling weir (3-7) connects flowing sand filter tank outlet pipe,
Water qualified discharge after the process of flowing sand filter.
2. use a kind of processing means containing heavy metal with fluorion smelting wastewater to enter
The method that row waste water processes, it is characterised in that: there are following steps；
1. smelting wastewater enters wastewater equalization pond, regulating water quality and the water yield by regulating reservoir water inlet pipe；
The most then waste water enters adsorption zone (1-1), adsorbent by absorption and coagulation sedimentation tank water inlet pipe (1-4)
Adding metering system (1-5) and add adsorbent, adsorption zone agitator (1-6) is stirred mixing to waste water,
Ion in waste water is adsorbed by adsorbent and absorbs；
3. the sky between waste water is provided with by bottom, adsorption zone inclined floor (1-7) and flow-stopping plate (1-8)
Gap enters coagulation district (1-2), mixes with the coagulant solution adding metering system from coagulant, and utilization sets
Put coagulation district agitating device (1-10) bottom coagulation district to be stirred；
4. waste water enters settling zone (1-3), and absorption and coagulation sedimentation tank three phase separator (1-12) realizes waste water
With the separation of solid, precipitate sinks to the bottom of settling zone under gravity, by the precipitation of bottom
Thing drain valve (1-14) is discharged, the waste water after precipitation by absorption and coagulation sedimentation tank overfalling weir (1-13) and
Absorption and coagulation sedimentation tank outlet pipe enters electrolyzer water inlet pipe；
5. the waste water from absorption and coagulation sedimentation tank enters electrolyzer (2) by electrolyzer water inlet pipe (2-1),
Pollutant in waste water are electrolysed, and the waste water after electrolysis processes enters flowing by electrolyzer outlet pipe (2-2)
Sand filter water inlet pipe (3-1)；
6. waste water enters stream by flowing sand filter tank water inlet pipe (3-1) and flowing sand filter tank water distributor (3-2)
The bottom of dynamic sand filter, flowing sand filter tank water distributor (3-2) realizes water distribution uniformity, and waste water enters sand filtration district,
Pollutant in waste water are further filtered, and then waste water passes sand filtration district, by sand filtration district overfalling weir (3-7)
Flow out with flowing sand filter tank outlet pipe, qualified discharge；The air-flow band that flowing sand filter tank aerator (3-4) produces
Sha Heshui in dynamic washed-out sand district flows up, and is rinsed sand simultaneously, and then sand and water enter sand water precipitation
Disengagement zone, owing to sand is different with the proportion of water, fine deposition goes down and flows into sand by returning sand passage (3-6)
Filter district, it is achieved the movement the most from top to bottom of the fine sand in sand filtration district, the water in sand water precipitation Disengagement zone passes through
Washed-out sand district overfalling weir (3-5) and washed-out sand water discharge spout enter absorption and coagulation sedimentation tank and reprocess；
7. the precipitate that absorption and coagulation sedimentation tank (1) is discharged is concentrated, transport outward after dehydration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393633.2A CN105836938A (en) | 2016-06-03 | 2016-06-03 | Device for treating smelting wastewater containing heavy metals and fluoride ions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393633.2A CN105836938A (en) | 2016-06-03 | 2016-06-03 | Device for treating smelting wastewater containing heavy metals and fluoride ions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105836938A true CN105836938A (en) | 2016-08-10 |
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ID=56575420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610393633.2A Pending CN105836938A (en) | 2016-06-03 | 2016-06-03 | Device for treating smelting wastewater containing heavy metals and fluoride ions |
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| Country | Link |
|---|---|
| CN (1) | CN105836938A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830423A (en) * | 2017-02-17 | 2017-06-13 | 郭晓辉 | The equipment that Natural zeolite is removed using diatomite and PAC |
| CN109071293A (en) * | 2016-08-23 | 2018-12-21 | 倢旸股份有限公司 | The recovery method of heavy metal sewage sludge |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040055431A (en) * | 2002-12-21 | 2004-06-26 | 청수환경(주) | Sewage disposal apparatus enhancing purifying efficiency of sewage |
| CN105036485A (en) * | 2015-08-16 | 2015-11-11 | 常州大学 | Refuse leachate treatment system |
| CN105541035A (en) * | 2016-01-16 | 2016-05-04 | 常州大学 | Heavy metal ion-containing electroplating effluent treatment equipment |
-
2016
- 2016-06-03 CN CN201610393633.2A patent/CN105836938A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040055431A (en) * | 2002-12-21 | 2004-06-26 | 청수환경(주) | Sewage disposal apparatus enhancing purifying efficiency of sewage |
| CN105036485A (en) * | 2015-08-16 | 2015-11-11 | 常州大学 | Refuse leachate treatment system |
| CN105541035A (en) * | 2016-01-16 | 2016-05-04 | 常州大学 | Heavy metal ion-containing electroplating effluent treatment equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109071293A (en) * | 2016-08-23 | 2018-12-21 | 倢旸股份有限公司 | The recovery method of heavy metal sewage sludge |
| CN106830423A (en) * | 2017-02-17 | 2017-06-13 | 郭晓辉 | The equipment that Natural zeolite is removed using diatomite and PAC |
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Application publication date: 20160810 |