CN108439670A - A kind of waste water zero-emission device and technique - Google Patents
A kind of waste water zero-emission device and technique Download PDFInfo
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- CN108439670A CN108439670A CN201810238477.1A CN201810238477A CN108439670A CN 108439670 A CN108439670 A CN 108439670A CN 201810238477 A CN201810238477 A CN 201810238477A CN 108439670 A CN108439670 A CN 108439670A
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- water
- waste water
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- electric flocculation
- slot
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- 239000002351 wastewater Substances 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 162
- 238000005189 flocculation Methods 0.000 claims abstract description 109
- 230000016615 flocculation Effects 0.000 claims abstract description 109
- 238000001556 precipitation Methods 0.000 claims abstract description 63
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000001764 infiltration Methods 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 59
- 238000003860 storage Methods 0.000 claims description 24
- 238000012546 transfer Methods 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000010802 sludge Substances 0.000 claims description 21
- 239000013049 sediment Substances 0.000 claims description 14
- 239000006004 Quartz sand Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000001223 reverse osmosis Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- 239000002244 precipitate Substances 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 8
- 238000007747 plating Methods 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 239000005416 organic matter Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000009298 carbon filtering Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims 1
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000010842 industrial wastewater Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- 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
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
A kind of waste water zero-emission device of the present invention, wherein：Including passing through the sequentially connected collecting-tank of pipeline, electric flocculation slot, precipitation tank, filtration system, ultrafiltration system and counter-infiltration system, collecting-tank connects water inlet pipe, ultrafiltration system and counter-infiltration system are respectively equipped with waste water outlet pipe, and waste water outlet pipe connects collecting-tank, and counter-infiltration system is equipped with outlet pipe.A kind of waste water zero-emission technique, wherein：Including above-mentioned waste water zero-emission device.A kind of waste water zero-emission device of present invention offer and technique, realize and reduce cost for wastewater treatment, the purpose of equipment investment cost and convenient removal, while improving effluent quality.
Description
Technical field
The present invention, which states, belongs to field of industrial waste water treatment, and in particular to a kind of waste water zero-emission device and technique.
Background technology
As national requirements for environmental protection standard is higher and higher, the investment of traditional technique for treating industrial wastewater is big, floor space
Greatly, processing cost is high, and system operatio is complicated, and effluent quality is extremely unstable, does not adapt to existing environmental protection policy more and more
It needs, and traditional technique for treating industrial wastewater uses extensive civil engineering facility, is not easy to move.Therefore, above-mentioned ask how is solved
Topic, becomes urgent problem to be solved.
Invention content
The purpose of the invention is to overcome the deficiencies of the prior art and provide a kind of waste water zero-emission device and technique, realize
Cost for wastewater treatment, the purpose of equipment investment cost and convenient removal are reduced, while improving effluent quality.
To achieve the above object, the technical scheme is that：A kind of waste water zero-emission device, wherein：Including passing through pipeline
Sequentially connected collecting-tank, electric flocculation slot, precipitation tank, filtration system, ultrafiltration system and counter-infiltration system, collecting-tank connection water inlet
Pipe, ultrafiltration system and counter-infiltration system are respectively equipped with waste water outlet pipe, and waste water outlet pipe connects collecting-tank, and counter-infiltration system is equipped with
Outlet pipe.
Due to the adoption of the above technical scheme, the cleaning waste water being discharged from tin plating production line is flowed by water inlet pipe to be collected the present invention
Pond, then electric flocculation slot is flowed by pipeline, electric flocculation processing is carried out in electric flocculation slot, then is flowed into precipitation tank to settle and be gone
Except most of pollutant, waste water flows into filtration system after precipitation tank sedimentation and removes oil removal and a small amount of residual organic matter, then
Ultrafiltration system, counter-infiltration system are flowed into successively, the salt in water is filtered completely, and counter-infiltration system is equipped with outlet pipe, and water is defeated
Send tin plating production line back to, ultrafiltration system and counter-infiltration system are respectively equipped with waste water outlet pipe, and the waste water of generation is transmitted back to and is catchmented
Pond is handled again.
A kind of above-mentioned waste water zero-emission device, collecting-tank are PH regulating reservoirs, are equipped with inflating stirring pipe in collecting-tank, inflate and stir
Pipe one end is mixed equipped with several ventholes, setting in collecting-tank bottom of pond, the other end is gas injection end, is arranged in collecting-tank upper end.From plating
The cleaning waste water of tin production line discharge flows into collecting-tank, and acid-base neutralization is carried out in collecting-tank, is equipped with to inflate in collecting-tank and stir
Pipe is mixed, inflating stirring pipe one end is equipped with several ventholes, setting in collecting-tank bottom of pond, and the other end connects air pump, into collecting-tank
It inflates, the waste water in collecting-tank is stirred.
A kind of above-mentioned waste water zero-emission device is equipped with the first water pump, is set in electric flocculation slot between collecting-tank and electric flocculation slot
There are anode plate, the cathode plate of several alternate, S-shaped settings, electric flocculation slot side is equipped with electric flocculation water distributing trough, the other side is equipped with electricity
Flocculate overflow launder, and first water pump one end connects collecting-tank, another water outlet connects electric flocculation water distributing trough, electric flocculation slot and electric flocculation
On front side of overflow launder or rear side is equipped with ash pit, and electric flocculation slot and electric flocculation overflow launder upper end are equipped with scum board, and scum board can be in electricity
Flocculation tank and electric flocculation overflow launder upper end are moved to ash pit.Water in collecting-tank is evacuated to electric flocculation water distributing trough by the first water pump,
Electric flocculation water distributing trough is connected to electric flocculation slot, and the water of electric flocculation water distributing trough flows into electric flocculation slot, and the water in electric flocculation slot is in sun
It is flowed in gap between pole plate, cathode plate, anode plate, cathode plate add certain voltage and high frequency magnetic field impulse to waste water, make
The broken decomposition of various organic matters in waste water, is broken into small molecule, then the electron stream participated in water moves to obtain electricity by macromolecular
Son loses electronics, and the molysite or aluminium salt being finally precipitated with iron pole plate or aluminum substrate generate oxide and separate out jointly, in water
Heavy metal ion then first interrupts its complexing chain of complexity or chelating chain in water under certain voltage, the function of current, then participates in
It obtains electronics or loses the displacement reaction (mainly and Fe, Al ion in water) of electronics eventually part becomes subtle molecule
Granular state precipitates or still with the hydroxide precipitation form and Fe of metal ion, and Al hydroxide is precipitated jointly；Scum board exists
End motion on electric flocculation slot and electric flocculation overflow launder, will swim in electric flocculation slot and electric flocculation overflow launder upper end waste water generate it is floating
Slag scrapes in ash pit；Electric flocculation slot is connected with electric flocculation overflow launder, and treated waste water outflow gives up into electric flocculation overflow launder
The sediment that water generates is precipitated in electric flocculation overflow launder slot bottom.
A kind of above-mentioned waste water zero-emission device is equipped in precipitation tank several along being discharged the inclined deposition sloped tubes in direction, precipitation
Slot side is equipped with precipitation water distributing trough, the other side is equipped with overflow launder, and electric flocculation overflow launder connects precipitation water distributing trough by pipeline.Electricity wadding
Waste water in syneresis chute flows into precipitation water distributing trough by pipeline, and the sediment that waste water generates is precipitated in precipitation water distributing trough slot bottom,
Precipitation water distributing trough is connected to precipitation tank, is precipitated the water in water distributing trough and is flowed into precipitation tank, the sediment part in waste water is deposited to
Precipitation tank slot bottom, another part float, and when sediment is floated up at deposition sloped tube, are deposited inclined tube blocking, and sink to slot bottom；
Precipitation tank is connected to overflow launder, and the waste water outflow after precipitation is into overflow launder.
A kind of above-mentioned waste water zero-emission device, is equipped with transfer aqua storage tank between precipitation tank and filtration system, overflow launder passes through
Pipeline connects transfer aqua storage tank, and the second water pump is equipped between transfer aqua storage tank and filtration system.Water in overflow launder passes through pipeline
It is transported in transfer aqua storage tank, and carries out PH adjustings in transfer aqua storage tank.
A kind of above-mentioned waste water zero-emission device, filtration system include husky filter tank and activated carbon filter tank, and stone is equipped in husky filter tank
Sand is equipped with activated carbon in activated carbon filter tank, and second water pump one end connects transfer aqua storage tank, another water outlet is arranged in quartz sand
Lower end, quartz sand upper end filter out water pipe equipped with sand, and sand filters out water pipe connection activated carbon lower end, and activated carbon upper end is equipped with activated carbon mistake
Filter out water pipe.Water in transfer aqua storage tank is evacuated to the quartz sand lower end in husky filter tank by the second water pump, and the water of quartz sand lower end is past
Rise and passes through quartz sand filtration；The activity that water pipe is delivered in activated carbon filter tank is filtered out by sand by the water of quartz sand filtration
Then charcoal lower end, the water of activated carbon lower end pass through activated carbon and filter outlet pipe output, realize removal toward rising and by activated carbon
The purpose of suspended matter and a small amount of residual organic matter.
A kind of above-mentioned waste water zero-emission device, ultrafiltration system bottom is equipped with ultrafiltration water inlet pipe, top is connected with ultra-filtration water
Pipe, waste water outlet pipe setting filter outlet pipe and connect ultrafiltration water inlet pipe in ultrafiltration system upper end, activated carbon.Activated carbon filtering water outlet
Pipe will be delivered to ultrafiltration system through the filtered water of filtration system, and ultrafiltration system crosses the partial salts in drainage, filters generation
Waste water is transmitted back to collecting-tank by waste water outlet pipe, is flowed out by ultra-filtration water pipe through the filtered water of ultrafiltration system.
A kind of above-mentioned waste water zero-emission device, counter-infiltration system bottom are equipped with feed water by reverse osmosis pipe, the connection of ultra-filtration water pipe
Feed water by reverse osmosis pipe, outlet pipe setting are arranged in counter-infiltration system top, waste water outlet pipe in counter-infiltration system upper end.Ultrafiltration goes out
Water pipe will be delivered to counter-infiltration system through the filtered water of ultrafiltration system, and counter-infiltration system crosses remaining salt in drainage, filtering
The waste water of generation is transmitted back to collecting-tank by waste water outlet pipe, and filtered water is delivered to production line by outlet pipe.
A kind of above-mentioned waste water zero-emission device, electric flocculation overflow launder, precipitation water distributing trough and precipitation tank slot bottom are trapezoidal, and set
There is porous sludge pipe.Sediment in electric flocculation overflow launder, precipitation water distributing trough and precipitation tank waste water precipitates to form dirt in its slot bottom
Mud, electric flocculation overflow launder, precipitation water distributing trough and precipitation tank slot bottom are trapezoidal, and sludge is facilitated to be accumulated in slot bottom, and slot bottom is equipped with porous
The sludge of slot bottom is discharged by porous sludge pipe, is squeezed by board and frame machine after sludge discharge, the supernatant water squeezed out by sludge pipe
It is sent to collecting-tank after filtering is adsorbed.
A kind of above-mentioned waste water zero-emission device, anode plate, cathode plate include insoluble basket, and gold is housed in insoluble basket
Belong to block, insoluble basket is equipped with and is conductively connected hole.The hole that is conductively connected of insoluble basket connects power anode or cathode, insoluble
Property basket in be equipped with corresponding aluminium or iron fragment, when cutting metal block dissolve, only need to be added into insoluble basket accordingly it is broken
Metal derby, therefore the maintenance time of anode plate, cathode plate is greatly saved.
A kind of waste water zero-emission technique, wherein：Including above-mentioned waste water zero-emission device, processing step is as follows：
1) waste water of tin plating production line outflow flows into collecting-tank, acid-base neutralization is carried out in collecting-tank, and stir by inflating
Pipe is mixed to be stirred waste water；
2) waste water in collecting-tank is pumped by the first water pump to electric flocculation water distributing trough, the waste water stream in electric flocculation water distributing trough
Enter electric flocculation slot, anode plate, cathode plate are equipped in electric flocculation slot, waste water is flowed through from the gap between anode plate, cathode plate, is led to
Cross anode plate, cathode plate carries out electric flocculation processing to waste water, generate many sediments in electric flocculation processed waste water, then overflow
Into electric flocculation overflow launder, electric flocculation slot is swum in, the dross on electric flocculation overflow launder is scraped by ash pit to ash pit, in waste water
Partly precipitated object electric flocculation overflow launder slot bottom precipitate, and pass through the porous sludge pipe of electric flocculation overflow launder slot bottom be discharged；
3) the waste water flow direction in electric flocculation overflow launder precipitates water distributing trough, and the partly precipitated object in waste water is in precipitation water distributing trough slot
Bottom is precipitated, and the porous sludge pipe by precipitating water distributing trough slot bottom is discharged, and the waste water precipitated in water distributing trough flows into precipitation tank, waste water
In sediment precipitation tank slot bottom is deposited in by deposition sloped tube, and pass through the discharge of the porous sludge pipe of precipitation tank slot bottom, precipitation
Supernatant water overflow in slot is into overflow launder；
4) water in overflow launder flows into transfer aqua storage tank, the progress PH adjustings in transfer aqua storage tank, in transfer aqua storage tank
Water pumps to filtration system by the second water pump, sequentially enters husky filter tank, the filtering of activated carbon filter tank, removes suspended matter in water removal and lacks
Measure residual organic matter；
5) after filtration system filters, ultrafiltration system, counter-infiltration system filtering is sequentially entered, the salt in water removal is removed, surpasses
The waste water that filter system, counter-infiltration system filtering generate is transmitted back to collecting-tank by waste water outlet pipe, and outlet pipe will be through reverse osmosis system
Filtered water of uniting is delivered to production line.
The advantageous effect of the use of the new type：
1, cost of investment is relatively low, and equipment is intensive, and space is small (being the 1/5 of traditional handicraft).Reduce large-scale
Construction investment has saved spatial position, can together be handled with various wastewater.
2, equipment it is intensive integration, it can be achieved that at any time resettlement or Adjustment and reform.
3, pH value is only adjusted, processing cost is relatively low, and usually the 1/2 of traditional handicraft is even lower.
4, stable effluent quality, treated, and COD can be reduced than raw water, and the salt content being discharged in water reduces, and be conducive to follow-up
Technique centering water carries out recycling；It is very high to heavy metal removing rate, generally higher than 95-99%, and effluent quality compares
Stablize；Heavy metal is eliminated, while also being gone effectively in addition to other substances, such as COD colorations, phosphide.
5, electric flocculation technique does not have to addition medicament, and the sludge quantity that only original substance is formed in water, sludge quantity is traditional work
The 1/4 of skill.
6, shock resistance energy is very strong, wider to water inlet adaptability, can startup-shutdown at any time.
7, be greatly improved to subsequent technique operation, the ultra filtering reverse osmosis cleaning frequency is 4-5 months, effluent quality compared with
Good, conductivity is relatively low.
Description of the drawings
The present invention is described in further detail below in conjunction with the embodiment in attached drawing, but is not constituted to the present invention's
Any restrictions.
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of collecting-tank of the present invention；
Fig. 3 is the structural schematic diagram of electric flocculation slot of the present invention；
Fig. 4 is the structural schematic diagram of precipitation tank of the present invention；
Fig. 5 is the structural schematic diagram of filtration system of the present invention；
Fig. 6 is the structural schematic diagram of ultrafiltration system of the present invention, counter-infiltration system；
Fig. 7 is the overlooking structure diagram of electric flocculation slot of the present invention；
Fig. 8 is the structural schematic diagram of the insoluble basket of the present invention.
Specific implementation mode
As shown in Fig. 1 to Fig. 8 a kind of waste water zero-emission device of the present invention, it is characterised in that：Including being sequentially connected by pipeline
Collecting-tank 1, electric flocculation slot 2, precipitation tank 3, filtration system 4, ultrafiltration system 5 and counter-infiltration system 7, collecting-tank 1 connection water inlet
Pipe 11, ultrafiltration system 5 and counter-infiltration system 7 are respectively equipped with waste water outlet pipe 6, and waste water outlet pipe 6 connects collecting-tank 1, reverse osmosis
System 7 is equipped with outlet pipe 71.
Collecting-tank 1 is PH regulating reservoirs, and inflating stirring pipe 12 is equipped in collecting-tank 1, and 12 one end of inflating stirring pipe is equipped with several
In 1 bottom of pond of collecting-tank, the other end is gas injection end, is arranged in 1 upper end of collecting-tank for venthole 13, setting.
It is equipped with the first water pump 14 between collecting-tank 1 and electric flocculation slot 2, several alternate, S-shaped set is equipped in electric flocculation slot 2
Anode plate 21, the cathode plate 22 set, 2 side of electric flocculation slot is equipped with electric flocculation water distributing trough 23, the other side is equipped with electric flocculation overflow launder
24,14 one end of the first water pump connects collecting-tank 1, another water outlet connection electric flocculation water distributing trough 23, and electric flocculation slot 2 and electric flocculation are overflow
24 front side of chute or rear side are equipped with ash pit 25, and electric flocculation slot 2 and 24 upper end of electric flocculation overflow launder are equipped with scum board 26, scum board
26 can move in electric flocculation slot 2 and 24 upper end of electric flocculation overflow launder to ash pit 25.
It is equipped with several edges in precipitation tank 3 and is discharged the inclined deposition sloped tube 31 in direction, 3 side of precipitation tank is equipped with precipitation water distributing trough
32, the other side is equipped with overflow launder 33, and electric flocculation overflow launder 24 connects precipitation water distributing trough 32 by pipeline.
Transfer aqua storage tank 8 is equipped between precipitation tank 3 and filtration system 4, overflow launder 33 connects transfer aqua storage tank by pipeline
8, the second water pump 81 is equipped between transfer aqua storage tank 8 and filtration system 4.
Filtration system 4 includes husky filter tank 41 and activated carbon filter tank 42, and quartz sand 41a, active carbon filtration are equipped in husky filter tank 41
Activated carbon 42a is equipped in tank 42,81 one end of the second water pump connects transfer aqua storage tank 8, another water outlet is arranged at quartz sand 41a
End, the upper ends quartz sand 41a filter out water pipe 43 equipped with sand, and sand filters out water pipe 43 and connects the lower ends activated carbon 42a, the upper ends activated carbon 42a
Outlet pipe 44 is filtered equipped with activated carbon.
5 bottom of ultrafiltration system is equipped with ultrafiltration water inlet pipe 51, top is connected with ultra-filtration water pipe 52, and waste water outlet pipe 6 is arranged
In 5 upper end of ultrafiltration system, activated carbon filters outlet pipe 44 and connects ultrafiltration water inlet pipe 51.
7 bottom of counter-infiltration system is equipped with feed water by reverse osmosis pipe 72, and ultra-filtration water pipe 52 connects feed water by reverse osmosis pipe 72, ultrafiltration
Outlet pipe 52 connects feed water by reverse osmosis pipe 72, and the setting of outlet pipe 71 is arranged in 7 top of counter-infiltration system, waste water outlet pipe 6 anti-
7 upper end of osmosis system.
Electric flocculation overflow launder 24, precipitation water distributing trough 32 and 3 slot bottom of precipitation tank are trapezoidal, and are equipped with porous sludge pipe 9.
Anode plate 21, cathode plate 22 include insoluble basket A, and metal derby, insoluble basket A are housed in insoluble basket A
It is equipped with and is conductively connected hole A1.
A kind of waste water zero-emission technique, wherein：Including above-mentioned waste water zero-emission device, processing step is as follows：
1) waste water of tin plating production line outflow flows into collecting-tank 1, acid-base neutralization is carried out in collecting-tank 1, and by inflating
Stirring pipe 12 is stirred waste water；
2) waste water in collecting-tank 1 is pumped by the first water pump 14 to electric flocculation water distributing trough 23, in electric flocculation water distributing trough 23
Waste water flow into electric flocculation slot 2, be equipped with anode plate 21, cathode plate 22 in electric flocculation slot 2, waste water is from anode plate 21, cathode plate 22
Between gap in flow through, electric flocculation processing is carried out to waste water by anode plate 21, cathode plate 22, in electric flocculation processed waste water
Many sediments are generated, then overflow is into electric flocculation overflow launder 24, swims in electric flocculation slot 2, floating on electric flocculation overflow launder 24
Slag is scraped by ash pit 25 to ash pit 25, and the partly precipitated object in waste water is precipitated in 24 slot bottom of electric flocculation overflow launder, and is passed through
The porous sludge pipe 9 of 24 slot bottom of electric flocculation overflow launder is discharged；
3) the waste water flow direction in electric flocculation overflow launder 24 precipitates water distributing trough 32, and the partly precipitated object in waste water is in precipitation water distribution
32 slot bottom of slot precipitates, and the porous sludge pipe 9 by precipitating 32 slot bottom of water distributing trough is discharged, and the waste water precipitated in water distributing trough 32 flows into
Precipitation tank 3, the sediment in waste water is deposited in 3 slot bottom of precipitation tank by deposition sloped tube 31, and passes through the porous of 3 slot bottom of precipitation tank
Sludge pipe 9 is discharged, and the supernatant water overflow in precipitation tank 3 is into overflow launder 33；
4) water in overflow launder 33 flows into transfer aqua storage tank 8, and PH adjustings, transfer aqua storage tank 8 are carried out in transfer aqua storage tank 8
In water filtration system 4 is pumped to by the second water pump 81, sequentially enter husky filter tank 41, activated carbon filter tank 42 filter, go to remove water
Middle suspended matter and a small amount of residual organic matter；
5) after the filtering of filtration system 4, ultrafiltration system 5, the filtering of counter-infiltration system 7 is sequentially entered, the salt in water removal is removed,
The waste water that ultrafiltration system 5, the filtering of counter-infiltration system 7 generate is transmitted back to collecting-tank by waste water outlet pipe, and outlet pipe will be through reverse osmosis
7 filtered water of permeable system is delivered to production line.
The present invention is in use, the cleaning waste water being discharged from tin plating production line is being catchmented by the inflow collecting-tank 1 of water inlet pipe 11
PH value adjustment is carried out in pond 1, electric flocculation slot 2 is then flowed by pipeline, with anode plate 21, the cathode plate 22 in electric flocculation slot 2
Contact carries out electric flocculation processing, and the sediment part of generation is precipitated in 24 slot bottom of electric flocculation overflow launder, in electric flocculation overflow launder 24
Water by pipeline flow into precipitation water distributing trough 32, water part sediment precipitation 32 slot bottom of water distributing trough precipitation, precipitate water distributing trough
Water in 32 flows into precipitation tank 3, and the sediment in water, which is deposited the deposition sloped tube 31 in slot 3, to be stopped, in precipitation 32 slot of water distributing trough
Bottom is precipitated, and is then flowed into filtration system 4, is remained by quartz sand 41a and activated carbon 42a filter and remove suspended substances and on a small quantity organic
Object flows into ultrafiltration system 5, counter-infiltration system 7 after the filtering of filtration system 4, the salt in water is filtered completely successively, reverse osmosis
System 7 is equipped with outlet pipe 71, and water is transmitted back to tin plating production line, electric flocculation overflow launder 24, precipitation water distributing trough 32 and 3 slot of precipitation tank
Bottom is equipped with porous sludge pipe 9, and the sludge for being deposited in slot bottom is discharged.
Embodiment provided above is only used for conveniently illustrating the present invention, and not makees limit in any form to the present invention
System has common knowledge person in any technical field, using disclosed technology contents make part change or
The equivalent embodiment of modification, all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of waste water zero-emission device, it is characterised in that：Including passing through the sequentially connected collecting-tank of pipeline (1), electric flocculation slot
(2), precipitation tank (3), filtration system (4), ultrafiltration system (5) and counter-infiltration system (7), collecting-tank (1) connect water inlet pipe (11),
Ultrafiltration system (5) and counter-infiltration system (7) are respectively equipped with waste water outlet pipe (6), and waste water outlet pipe (6) connects collecting-tank (1), instead
Osmosis system (7) is equipped with outlet pipe (71).
2. a kind of waste water zero-emission device according to claim 1, it is characterised in that：Collecting-tank (1) is PH regulating reservoirs, is catchmented
Inflating stirring pipe (12) is equipped in pond (1), inflating stirring pipe (12) one end is equipped with several ventholes (13), is arranged in collecting-tank
(1) bottom of pond, the other end are gas injection end, are arranged in collecting-tank (1) upper end.
3. a kind of waste water zero-emission device according to claim 1, it is characterised in that：Collecting-tank (1) and electric flocculation slot (2) it
Between be equipped with the first water pump (14), anode plate (21), the cathode plate of several alternate, S-shaped settings are equipped in electric flocculation slot (2)
(22), electric flocculation slot (2) side is equipped with electric flocculation water distributing trough (23), the other side is equipped with electric flocculation overflow launder (24), the first water pump
(14) one end connection collecting-tank (1), another water outlet connection electric flocculation water distributing trough (23), electric flocculation slot (2) and electric flocculation overflow
On front side of slot (24) or rear side is equipped with ash pit (25), and electric flocculation slot (2) and electric flocculation overflow launder (24) upper end are equipped with scum board
(26), scum board (26) can be moved in electric flocculation slot (2) and electric flocculation overflow launder (24) upper end to ash pit (25), anode plate
(21), cathode plate (22) includes insoluble basket (A), and metal derby is housed in insoluble basket (A), is set on insoluble basket (A)
It is conductively connected hole (A1).
4. a kind of waste water zero-emission device according to claim 1, it is characterised in that：Go out equipped with several edges in precipitation tank (3)
The inclined deposition sloped tube in water direction (31), precipitation tank (3) side is equipped with precipitation water distributing trough (32), the other side is equipped with overflow launder
(33), electric flocculation overflow launder (24) connects precipitation water distributing trough (32) by pipeline.
5. a kind of waste water zero-emission device according to claim 1, it is characterised in that：Precipitation tank (3) and filtration system (4) it
Between be equipped with transfer aqua storage tank (8), overflow launder (33) pass through pipeline connect transfer aqua storage tank (8), transfer aqua storage tank (8) with filtering be
The second water pump (81) is equipped between system (4).
6. a kind of waste water zero-emission device according to claim 1, it is characterised in that：Filtration system (4) includes husky filter tank
(41) and activated carbon filter tank (42) it, is equipped with quartz sand (41a) in husky filter tank (41), activated carbon is equipped in activated carbon filter tank (42)
(42a), the second water pump (81) one end connect transfer aqua storage tank (8), the setting of another water outlet in the lower end quartz sand (41a), quartz
The upper end sand (41a) filters out water pipe (43) equipped with sand, and sand filters out water pipe (43) connection lower end activated carbon (42a), on activated carbon (42a)
End is equipped with activated carbon filtering outlet pipe (44).
7. a kind of waste water zero-emission device according to claim 1, it is characterised in that：Ultrafiltration system (5) bottom is equipped with ultrafiltration
Water inlet pipe (51), top are connected with ultra-filtration water pipe (52), and waste water outlet pipe (6) is arranged in ultrafiltration system (5) upper end, activated carbon
It filters outlet pipe (44) and connects ultrafiltration water inlet pipe (51).
8. a kind of waste water zero-emission device according to claim 1, it is characterised in that：Counter-infiltration system (7) bottom is equipped with anti-
Water inlet pipe (72) is permeated, ultra-filtration water pipe (52) connects feed water by reverse osmosis pipe (72), and ultra-filtration water pipe (52) connection reverse osmosis penetrates into
Water pipe (72), outlet pipe (71) setting are arranged in counter-infiltration system (7) top, waste water outlet pipe (6) on counter-infiltration system (7)
End.
9. a kind of waste water zero-emission device according to claim 1, it is characterised in that：Electric flocculation overflow launder (24), precipitation are matched
Sink (32) and precipitation tank (3) slot bottom are trapezoidal, and are equipped with porous sludge pipe (9).
10. a kind of waste water zero-emission technique, it is characterised in that：Including any waste water zero-emission device of claim 1 to 9, place
Steps are as follows for reason：
1) waste water of tin plating production line outflow flows into collecting-tank (1), acid-base neutralization is carried out in collecting-tank (1), and by inflating
Stirring pipe (12) is stirred waste water；
2) waste water in collecting-tank (1) is pumped by the first water pump (14) to electric flocculation water distributing trough (23), electric flocculation water distributing trough
(23) waste water in flows into electric flocculation slot (2), is equipped with anode plate (21), cathode plate (22) in electric flocculation slot (2), and waste water is from anode
It flows through in gap between plate (21), cathode plate (22), waste water is carried out at electric flocculation by anode plate (21), cathode plate (22)
It manages, generates many sediments in electric flocculation processed waste water, then overflow swims in electric flocculation slot into electric flocculation overflow launder (24)
(2), the dross on electric flocculation overflow launder (24) is scraped by ash pit (25) to ash pit (25), and the partly precipitated object in waste water exists
Electric flocculation overflow launder (24) slot bottom precipitates, and is discharged by the porous sludge pipe (9) of electric flocculation overflow launder (24) slot bottom；
3) the waste water flow direction in electric flocculation overflow launder (24) precipitates water distributing trough (32), and the partly precipitated object in waste water is in precipitation water distribution
Slot (32) slot bottom precipitates, and the porous sludge pipe (9) by precipitating water distributing trough (32) slot bottom is discharged, in precipitation water distributing trough (32)
Waste water flows into precipitation tank (3), and the sediment in waste water is deposited in precipitation tank (3) slot bottom by deposition sloped tube (31), and by heavy
The porous sludge pipe (9) of shallow lake slot (3) slot bottom is discharged, and the supernatant water overflow in precipitation tank (3) is into overflow launder (33)；
4) water in overflow launder (33) flows into transfer aqua storage tank (8), and PH adjustings, transfer water storage are carried out in transfer aqua storage tank (8)
Water in slot (8) pumps to filtration system (4) by the second water pump (81), sequentially enters husky filter tank (41), activated carbon filter tank
(42) it filters, removes suspended matter and a small amount of residual organic matter in water removal；
5) after filtration system (4) filtering, ultrafiltration system (5), counter-infiltration system (7) filtering is sequentially entered, the salt in water removal is removed
Class, the waste water that ultrafiltration system (5), counter-infiltration system (7) filtering generate are transmitted back to collecting-tank by waste water outlet pipe, and outlet pipe will
It is delivered to production line through counter-infiltration system (7) filtered water.
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Application publication date: 20180824 |