CN205258091U - Electric flocculation equipment of waste water - Google Patents

Electric flocculation equipment of waste water Download PDF

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Publication number
CN205258091U
CN205258091U CN201521046956.1U CN201521046956U CN205258091U CN 205258091 U CN205258091 U CN 205258091U CN 201521046956 U CN201521046956 U CN 201521046956U CN 205258091 U CN205258091 U CN 205258091U
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CN
China
Prior art keywords
waste water
electrolytic cell
equipment
electric
electric flocculation
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CN201521046956.1U
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Chinese (zh)
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苗歉
朱锐
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Suzhou Is According To This Times Of Environmental Protection Equipment Science And Technology Ltd
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Suzhou Is According To This Times Of Environmental Protection Equipment Science And Technology Ltd
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Abstract

The utility model discloses an electric flocculation equipment of waste water, including electric control part and electrolysis equipment part, electric control part includes PLC electric appliance cabinet and the DC power supply who links to each other with the PLC electric appliance cabinet, the electrolysis equipment part is including inlet tube, electrolysis trough, precipitation tank and outlet pipe, the inlet tube links to each other with the electrolysis trough, be provided with electricity anode strip and the negative pole piece even mutually with DC power supply in the electrolysis trough, the electrolysis trough communicates with each other with the precipitation tank, the outlet pipe links to each other with the precipitation tank, and waste water carries out electric flocculating reaction in the electrolysis trough under the DC power supply effect, and the sediment of production deposits through the precipitation tank, and the water of finishing dealing with at last discharges away from the outlet pipe. The utility model discloses equipment is small, area is few, easy operation is nimble, the blowdown flow rate is little, has improved the water recovery rate.

Description

The electric flocculation treatment equipment of waste water
Technical field
The utility model relates to a kind of water-treatment technology field, especially relates to a kind of electric flocculation treatment equipment of waste water.
Background technology
The tradition using from the current overwhelming majority is administered sewage, waste water technology situation can be seen, is substantially to adopt chemical treatment mode and the large class of microbiological treatment mode two.
Chemical treatment mode: be to add various chemical flocs, chemical oxidizing agent, chemical breakdown agent, chemical reducing agent, chemical yin, yang ionomer etc. in processed sewage, waste water. Manufacture, produce in these numerous chemical treatment medicament processes, not only need to consume a large amount of industrial chemicals, a large amount of energy, take a large amount of soils, use a large amount of clear water, also can discharge a large amount of waste water, waste gas continuation contaminated environment, have person for " secondary pollution ": comprise the pollution in pollution and the use in production. This technology be now account for dispose of sewage, the main aspect of waste water, discharge water from drinking water, running water, hospital at present and adopt in this way to the overwhelming majority the processing of various industry and sanitary sewage. We think this traditional chemical mode, to have processed this part, pollute again part, still more owing to manufacturing very high cost and the expensive product price of this product, a white elephant to the poor producer of a lot of profit benefits, and because too expensive reason can not a large amount of, large-arealy be promoted the use of.
Microbiological treatment mode: cry again biochemical treatment, although this mode need not add chemical breakdown agent, flocculant etc., local greatly in floor space, do one or several large ponds (or large tank), cultivate therein a large amount of microorganisms, the life entities such as algae, again by sewage, discharge of wastewater is in this pond, utilize microorganism, algae can be adsorbed in the growth of self, decompose poisonous, the feature of harmful substance is processed, but its intrinsic decomposition rate is slow, equipment investment is large, especially floor space is too large and never well solved by the too large problem of impact of environment temperature. such as not using minimum half a year at northern area, environment temperature just significantly reduces its capacity of decomposition lower than 15 DEG C above freezing, during lower than 8 DEG C above freezing, just substantially quit work, if adopt in the winter time the method for heating, keep the minimum temperature that needs, will expend a large amount of energy (carbon dioxide, waste gas, the waste residue that produce cause again the pollution of multi-level environment just to repeat no more thereupon), this is that the life rule of the life entity such as microorganism, algae determines, cannot break through this rule. in addition, if can not process when poisonous, the harmful composition containing in processed water is too high, can make microorganism, algae die like a rat, so making can only be to solve a part of problem in this way, can not solve the processing problem of sewage, waste water completely, investment is large, cost is high, processing speed is slow, floor space is large, is the most fatal, the unsurmountable shortcoming of this class biochemical processing method.
Just because of above-mentioned reason, traditional sewage and wastewater processing technology, total aspect shows as, and processes the speed of polluting and does not catch up with the speed that produces pollution, and the cost of processing is too large, make can not afford, thereby the processing problem that makes black water has become a long-term insoluble problem, although government constantly strengthens the dynamics of administering sewage, day by day serious rivers and lakes, the pollution condition of ditch brook river take place frequently, sewage crossing current, stinking smell assaulting one's nostrils, destroys huge, impact extensively. But the damage and pollution that waste water, sewage cause environment has had influence on our everyone life and health, traditional processing method (refer to now using chemical method, biochemical method) can not thoroughly have been dealt with problems actually.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, provides the electric flocculation treatment equipment of various wastewater to add relative salt according to different quality and regulates its water quality, with efficient sewerage processing, improves the rate of recovery of water.
For achieving the above object, the utility model proposes following technical scheme: a kind of electric flocculation treatment equipment of waste water, comprise automatically controlled part and electrolysis installation part, described electric control part is divided and is comprised PLC Electric Appliance Cabinet and the dc source being connected with PLC Electric Appliance Cabinet, described electrolysis installation part comprises water inlet pipe, electrolytic cell, stillpot, outlet pipe, pH conditioning equipment, pH checkout gear, salt conditioning equipment and salt checkout gear, described water inlet pipe is connected with electrolytic cell, in described electrolytic cell, be provided with the anode strip and the cathode sheets that are electrically connected mutually with dc source, described electrolytic cell communicates with stillpot, described outlet pipe is connected with stillpot, described salt conditioning equipment is for adding relative salt to regulate its water quality according to different quality.
Preferably, described electrolytic cell and stillpot are separated by the division board in a cell body.
Preferably, described electrolysis installation part also comprises water pump and Pressure gauge, and described water pump is arranged on the water inlet near water inlet pipe, and described Pressure gauge is arranged in water inlet pipe.
Preferably, described anode strip is iron plate or aluminium flake.
Preferably, described electrolysis installation part also comprises the air inlet pipe and the aeration coil pipe that are connected with electrolytic cell, and described aeration coil pipe is arranged on the bottom of electrolytic cell.
Preferably, lead to dc source between described anode strip and cathode sheets time, the electrode reaction occurring in described electrolytic cell is:
Aluminium anodes
Al-3e→Al3e+
Under alkali condition
Al3e++3OH-→Al(OH)3
Under acid condition
Al3e++3H2O→Al(OH)3+3H+
Iron anode
Fe-2e→Fe2e+
Under alkali condition
Fe2e++2OH-→Fe(OH)2
Under acid condition
4Fe2e++O2+2H2O→4Fe3e++4OH-
Preferably, on described division board, be provided with filtering grid.
Preferably, described filtering grid is arranged on division board.
Preferably, in described stillpot or electrolytic cell, be provided with the liquid level detection device being connected with water pump.
Preferably, also comprise that, for detection of the flocculating effect checkout equipment that in electrolytic cell, whether electric flocculating effect is qualified, described flocculating effect checkout equipment is connected with water inlet pipe by circulation pipe.
Preferably, also comprise salt storage device and salt distributor, salt distributor, for the salt in salt storage device is carried and distributed to salt conditioning equipment, is connected by access port between salt storage device, salt distributor and this three of salt conditioning equipment.
Preferably, also comprise pH chemical solution distributing apparatus, pH chemical solution distributing apparatus, for pH liquid is distributed and flows to pH conditioning equipment, is connected by access port between pH chemical solution distributing apparatus and pH conditioning equipment.
The beneficial effects of the utility model are:
1, the utility model equipment volume is little, floor space is few, simple to operate flexibly, blowdown flow rate is little, improved the water rate of recovery.
2, the utility model not only can be processed inorganic dirty foreign material, also can process organic pollution, more particularly cannot have a bio-toxicity with biodegradable, goes back heavy metal in recoverable wastewater when electricity consumption flocculation treatment heavy metal wastewater thereby.
Brief description of the drawings
Fig. 1 is the structural representation of the electric flocculation treatment equipment of the utility model waste water;
Fig. 2 is the utility model electricity flocculating principles schematic diagram.
Reference numeral:
1, PLC Electric Appliance Cabinet, 2, dc source, 3, water pump, 4, water inlet pipe, 5, electrolytic cell, 6, stillpot, 7, Pressure gauge, 8, division board, 9, anode strip, 10, cathode sheets, 11, air inlet pipe, 12, aeration coil pipe, 13, filtering grid, 14, the delivery port of outlet pipe, 15, liquid level detection device.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, the technical scheme of the utility model embodiment is carried out to clear, complete description.
Shown in Fig. 1 and Fig. 2, the electric flocculation treatment equipment of a kind of waste water that the utility model discloses, be divided into automatically controlled part and electrolysis installation part, electric control part is divided the running of controlling electrolysis installation part, and electrolysis installation part adopts electro-flucculation process to administer waste water or sewage.
Particularly, automatically controlled part mainly comprises PLC Electric Appliance Cabinet 1 and dc source 2, and PLC Electric Appliance Cabinet 1 is controlled the operation of whole equipment, and dc source 2 is connected with PLC Electric Appliance Cabinet 1, for providing direct current to electrolysis installation part.
Electrolysis installation part comprises water pump 3, water inlet pipe 4, electrolytic cell 5, stillpot 6, outlet pipe (not shown), salt conditioning equipment (not shown), salt checkout gear (not shown), pH conditioning equipment (not shown), pH checkout gear (not shown), water pump 3 is arranged on the water inlet near water inlet pipe 4, for waste water or sewage are pumped in water inlet pipe 4. In water inlet pipe 4, be provided with Pressure gauge 7, and water inlet pipe 4 is connected with electrolytic cell 5, waste water or sewage are entered in water inlet pipe 4 by water pump 3, and the Pressure gauge 7 in pipe enters in electrolytic cell 5.
Electrolytic cell 5 and stillpot 6 are separated by the division board 8 in the middle of a cell body, and the side in cell body is electrolytic cell 5, and opposite side is stillpot 6, and division board 8 is Openworks shape (plural filtering holes is set). In electrolytic cell 5, be provided with anode strip 9 and cathode sheets 10, anode strip 9 is corresponding connected with the positive pole of dc source 2, and cathode sheets 10 is corresponding connected with the negative pole of dc source 2. Under galvanic effect, the waste water in electrolytic cell 5 or sewage are carried out to electrolytic flocculation. In the present embodiment, anode is with the metal material such as aluminium, iron, under galvanic effect, anode is dissoluted, produce Al, Fe plasma, again through a series of hydrolysis, polymerization and ferrous oxidizing process, develop into various hydroxo complexes, multinuclear hydroxo complex so that hydroxide, make colloidal state impurity in waste water, suspended impurity coagulative precipitation and separate. Meanwhile, the swimming in electric field of charged contaminant particle, its Partial charge is neutralized by electrode and impels it to take off steady coagulation. Particularly, between anode and negative electrode, pass to direct current, the electrode reaction of generation is as follows:
Aluminium anodes
Al-3e→Al3e+
Under alkali condition
Al3e++3OH-→Al(OH)3
Under acid condition
Al3e++3H2O→Al(OH)3+3H+
Iron anode
Fe-2e→Fe2e+
Under alkali condition
Fe2e++2OH-→Fe(OH)2
Under acid condition
4Fe2e++O2+2H2O→4Fe3e++4OH-
Electrolysis installation part also comprises air inlet pipe 11 and aeration coil pipe 12, air inlet pipe 11 is connected with electrolytic cell 5, for providing electric flocculation reaction required gas in air inlet pipe 11, aeration coil pipe 12 is arranged on the bottom of electrolytic cell 5, mainly play the effect that the interior solution of electrolytic cell 5 is stirred, make electric flocculation reaction complete.
On division board 9, be provided with filtering grid 13, the water after electrolysis, by filtering grid 13, filters out some bulky floccule bodys, enters in stillpot 6. Outlet pipe is connected with stillpot 6, is discharged after precipitation at the interior waste water of stillpot 6 by the delivery port 14 of outlet pipe, enters next technique.
Salt conditioning equipment for throwing in corresponding salt according to different water quality in cell body, it is furnished with corresponding salt checkout gear (not shown), salt storage device (not shown) and salt distributor (not shown), whether salt checkout gear meets the requirements for detection of the amount of the input salt of salt conditioning equipment, salt distributor, for the salt in salt storage device is carried and distributed to salt conditioning equipment, is connected by access port between salt storage device, salt distributor and this three of salt conditioning equipment.
PH conditioning equipment for throwing in pH liquid (being acid solution, the aqueous slkali of Fig. 1) in cell body, it is furnished with corresponding pH checkout gear (not shown), pH chemical solution distributing apparatus (not shown), whether pH checkout gear is qualified for detection of the pH injected volume of pH conditioning equipment, pH chemical solution distributing apparatus, for pH liquid is distributed and flows to pH conditioning equipment, is connected by access port between pH chemical solution distributing apparatus and pH conditioning equipment.
The utility model equipment also comprises flocculating effect checkout equipment (not shown), whether can reach setting value, as do not reach for detection of electric flocculating effect, returns to the water inlet circular treatment of water inlet pipe 4.
In the utility model embodiment, in stillpot 6, be provided with the liquid level detection device 15 being connected with water pump 3, for detection of the water level in cell body, thereby according to the startup of water pump for water level control 3. As interchangeable, liquid level detection device 15 also can be arranged in electrolytic cell 5.
The utility model adopts electric flocculence to process waste water, reduces dosage 1/2 than traditional chemical Coagulation Method, and mud reduces more than 1/2, has extraordinary treatment effect, and can reduce salt in water, reduces useless electrical conductivity of water, and the water rate of recovery improves greatly. Processing time is short, processes omnidistance < 10 minutes. Floor space is few, is about 1/10~1/20 of biological treatment; Closed processing, can not produce stink, and does not affect environment generation. Can be separately or with conventional process equipment series winding or and connect, or directly collocation improves existing system and increases its usefulness to guarantee that water quality treatment is stable, and meets discharge standard. Operation and easy to maintenance easy, adopts PLC full automatic working, and manpower demand is few.
In water treatment effect, electricity flocculation is to being better than chemical coagulation except phosphatic effect. Work as Fe2+When > 1.6, have good phosphor-removing effect, in water, phosphatic concentration exceedes available Fe2+Stoichiometric proportion time, it is linear that the decline of phosphate concn is. The Fe that electricity flocculation anode produces3+Can be by formation FePO4 or through based phosphates Fe2(OH)(PO4)2Precipitate and remove Fe3+The flco of hydrolytie polycondensation also can dephosphorization to the attraction function of phosphorus, and dephosphorizing rate is more than 99.5%. High for removal efficiency such as grease, solid suspensions (SS). Especially have unique waste water for unmanageable, add if desired electrolyte, catalyst etc., increase treatment effect, as heavy metal, bacterium, and virus, capsule spore, pigment etc.
The utility model electricity flocculation apparatus can be widely used in the multiple industry of wastewater treatment, and as electroplating wastewater, wastewater from car washer, bleachinges and dyeing and textile waste, waste water of paper mill, shipyard waste water, slaughterhouse water, Food & Drink factory waste water etc. Particularly, in application in electroplating wastewater (containing heavy metal) is processed, the insoluble problem of chemical Treatment can be overcome, heavy metal out of electroplating wastewater ion can not only be effectively removed, and can reduce salt content in water, make water energy repetitive cycling after treatment be used in former operation. In application in dyestuff (high chroma) wastewater treatment, have equipment little, take up an area less, operational management is simple, COD clearance is high and the advantage such as good decolorizing effect.
Technology contents of the present utility model and technical characterictic have disclosed as above; but those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and are done all replacement and modifications that does not deviate from the utility model spirit; therefore; the utility model protection domain should be not limited to the content that embodiment discloses; and should comprise various do not deviate from replacement of the present utility model and modifications, and contained by present patent application claim.

Claims (9)

1. the electric flocculation treatment equipment of a waste water, it is characterized in that, comprise automatically controlled part and electrolysis installation part, described electric control part is divided and is comprised PLC Electric Appliance Cabinet and the dc source being connected with PLC Electric Appliance Cabinet, described electrolysis installation part comprises water inlet pipe, electrolytic cell, stillpot and outlet pipe, described water inlet pipe is connected with electrolytic cell, in described electrolytic cell, be provided with the anode strip and the cathode sheets that are electrically connected mutually with dc source, described electrolytic cell communicates with stillpot, described outlet pipe is connected with stillpot, described electrolysis installation part also comprises pH conditioning equipment, pH checkout gear, salt conditioning equipment and salt checkout gear.
2. the electric flocculation treatment equipment of waste water according to claim 1, is characterized in that, described electrolytic cell and stillpot are separated by the division board in a cell body.
3. the electric flocculation treatment equipment of waste water according to claim 1, is characterized in that, described electrolysis installation part also comprises water pump and Pressure gauge, and described water pump is arranged on the water inlet near water inlet pipe, and described Pressure gauge is arranged in water inlet pipe.
4. the electric flocculation treatment equipment of waste water according to claim 1, is characterized in that, described anode strip is iron plate or aluminium flake.
5. the electric flocculation treatment equipment of waste water according to claim 1, is characterized in that, described electrolysis installation part also comprises the air inlet pipe and the aeration coil pipe that are connected with electrolytic cell, and described aeration coil pipe is arranged on the bottom of electrolytic cell.
6. the electric flocculation treatment equipment of waste water according to claim 2, is characterized in that, on described division board, is provided with filtering grid.
7. the electric flocculation treatment equipment of waste water according to claim 6, is characterized in that, described filtering grid is arranged on division board.
8. the electric flocculation treatment equipment of waste water according to claim 3, is characterized in that, is provided with the liquid level detection device being connected with water pump in described stillpot or electrolytic cell.
9. the electric flocculation treatment equipment of waste water according to claim 1, is characterized in that, also comprises that, for detection of the flocculating effect checkout equipment that in electrolytic cell, whether electric flocculating effect is qualified, described flocculating effect checkout equipment is connected with water inlet pipe by circulation pipe.
CN201521046956.1U 2015-12-15 2015-12-15 Electric flocculation equipment of waste water Active CN205258091U (en)

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Application Number Priority Date Filing Date Title
CN201521046956.1U CN205258091U (en) 2015-12-15 2015-12-15 Electric flocculation equipment of waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521046956.1U CN205258091U (en) 2015-12-15 2015-12-15 Electric flocculation equipment of waste water

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105384222A (en) * 2015-12-15 2016-03-09 苏州依斯倍环保装备科技有限公司 Waste water electric flocculation treatment device
CN109354135A (en) * 2018-12-06 2019-02-19 佛山科学技术学院 A kind of device of electric flocculation and electro-osmosis combination processing sanitary wastewater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105384222A (en) * 2015-12-15 2016-03-09 苏州依斯倍环保装备科技有限公司 Waste water electric flocculation treatment device
CN109354135A (en) * 2018-12-06 2019-02-19 佛山科学技术学院 A kind of device of electric flocculation and electro-osmosis combination processing sanitary wastewater

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