CN204588776U - A kind of electric flocculation apparatus processing waste water - Google Patents
A kind of electric flocculation apparatus processing waste water Download PDFInfo
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- CN204588776U CN204588776U CN201520220552.3U CN201520220552U CN204588776U CN 204588776 U CN204588776 U CN 204588776U CN 201520220552 U CN201520220552 U CN 201520220552U CN 204588776 U CN204588776 U CN 204588776U
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- Prior art keywords
- tubular anode
- anode
- electric flocculation
- flocculation apparatus
- waste water
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- 238000005189 flocculation Methods 0.000 title claims abstract description 43
- 230000016615 flocculation Effects 0.000 title claims abstract description 43
- 239000002351 wastewater Substances 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 14
- 238000009825 accumulation Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 229910052782 aluminium Inorganic materials 0.000 description 16
- 239000004411 aluminium Substances 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 10
- -1 iron ion Chemical class 0.000 description 10
- 238000003756 stirring Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 1
- 229910017082 Fe-Si Inorganic materials 0.000 description 1
- 229910017091 Fe-Sn Inorganic materials 0.000 description 1
- 229910017133 Fe—Si Inorganic materials 0.000 description 1
- 229910017142 Fe—Sn Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- HIGRAKVNKLCVCA-UHFFFAOYSA-N alumine Chemical compound C1=CC=[Al]C=C1 HIGRAKVNKLCVCA-UHFFFAOYSA-N 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a kind of electric flocculation apparatus processing waste water, it comprises the cylindrical outer barrel (1) and conically shaped (6) that are communicated with up and down, and by the two separated horizontally disposed rotating-disk (10); The axis place of wherein said electric flocculation apparatus urceolus (1) is provided with cathode bar (4), be furnished with the first tubular anode (2) and the second tubular anode (3) at this cathode bar (4) external concentric, piling up in the annular space between the first tubular anode (2) and the second tubular anode (3) has multiple metal block (8).Equipment of the present utility model, has waste water and positive contact area is large, anode loss is little, anode is less scaling and " two dimension roll up sweep " improves the advantage of flocculation efficiency.
Description
Technical field
The utility model belongs to industrial wastewater treatment device field.
Background technology
Flocculence is the common methods of process trade effluent.Conventional chemical flocculation is in waste water, add various flocculation agent, such as polymerize aluminum chloride, poly-ferric chloride, polyaluminum sulfate aluminium chloride ferrum etc., iron ion in these flocculation agents or aluminum ion are all easily hydrolyzed and generate ironic hydroxide or aluminium hydroxide, and there is flocculation sediment along with increasing of its amount, in flocculation sediment process, by to adsorb and volume sweeps effect, by the particulate material in waste water and some adsorbable substance transfer in throw out, play the effect of purifying liquid waste.But chemical flocculation often introduces other negatively charged ion in waste water, such as chlorion or sulfate ion, these ions additionally introduced, finally also need removing, bring the trouble of subsequent disposal.
In recent years, in order to avoid the above-mentioned defect of chemical flocculation, electric flocculence is developed.Its principle is immersed in waste water using iron, aluminium or ferro-aluminium as the anode of electrolyzer, by anodizing Iron Release ion and/or aluminum ion, and then is hydrolyzed into ironic hydroxide and/or aluminium hydroxide, flocculation sediment occurs.It is except iron ion or aluminum ions source difference, and ultimate principle is identical with chemical flocculation with process.
During electricity flocculence process waste water, often face the difficulty in concrete operations.A difficulty is, the colloidalmaterial in waste water or organic thick substances easily as silting on negative electrode and anode, stuck with paste negative electrode and anode, if irregularly cleared up, the contact of anode and cathode and waste water can have been had a strong impact on, reduce electrode efficiency.Usual employing mechanical process and ultrasonic method are cleared up, but such cleaning is wasted time and energy very much, and or electrode surface is damaged, or need extra ultrasonic device is installed, increase cost.Another difficulty is the replacing problem after anode progressively consumes, in industrialized large-scale electric flocculation apparatus, usually use up to a hundred the positive plates with geometry in particular installed side by side, waste water repeatedly turn back wherein through, because positive plate number is many and have geometry in particular and install relation with the particular space of other component, its consume after replacing be the huge thing of job amount.
Therefore, above-mentioned defect be avoided or be eliminated to field of waste water treatment, in the urgent need to a kind of novel electric flocculation treatment equipment, can.
Utility model content
First aspect of the present utility model provides a kind of electric flocculation apparatus processing waste water, and it comprises the cylindrical outer barrel 1 and conically shaped 6 that are communicated with up and down, and by the two separated horizontally disposed rotating-disk 10; The axis place of wherein said electric flocculation apparatus urceolus 1 is provided with cathode bar 4, be furnished with the first tubular anode 2 and the second tubular anode 3 at this cathode bar 4 external concentric, piling up in the annular space between the first tubular anode 2 and the second tubular anode 3 has multiple metal block 8.
In the preferred embodiment of first aspect of the present utility model, be supported with the fixed disc 12 of level by supporting leg 14 in described conically shaped 6, the center is provided with motor 5, this motor 5 drives the rotation of described rotating-disk 10 by turning axle 11, and then drives the first tubular anode 2 and the second tubular anode 3 to rotate.
In the preferred embodiment of first aspect of the present utility model, between described fixed disc 12 outer rim and described conically shaped 6, leave annular space.
In the preferred embodiment of first aspect of the present utility model, described cathode bar 4, first tubular anode 2 and the second tubular anode 3 are arranged on the multi-group electrode mounting groove 101 be positioned on rotating-disk 10 independently of one another.
In the preferred embodiment of first aspect of the present utility model, described first tubular anode 2 and the second tubular anode 3 all have cinclides 7, and described rotating-disk 10 and described fixed disc 12 all have bottom outlet 102.The effect of these cinclides and bottom outlet makes waste water keep circulation.
In the preferred embodiment of first aspect of the present utility model, described first tubular anode 2 and the second tubular anode 3 in material independently of one another for can dissolving under electrolytic action and producing the material of aluminum ion or iron ion, such as iron block, aluminium block, ferro-aluminium, Fe-Si alloy, Fe-Sn alloy etc., preferred ferro-aluminium, more preferably iron.
In the preferred embodiment of first aspect of the present utility model, the unordered accumulation of described metal block 8 also all contacts with the second tubular anode 3 with described first tubular anode 2.Described metal block can use as sacrificial anode, slows down or avoid the dissolving consumption of the first tubular anode 2 and the second tubular anode 3, thus extends anode duration of service, it also avoid and frequently changes battery lead plate.Preferably, described metal block is ferro-aluminium block.
Second aspect of the present utility model provides a kind of method of electricity flocculation, and it comprises the following steps:
Make waste water flow into electric flocculation apparatus, described electric flocculation apparatus comprises the cylindrical outer barrel 1 and conically shaped 6 that are communicated with up and down, and by the two separated rotating-disk 10; The axis place of wherein said electric flocculation apparatus urceolus 1 is provided with cathode bar 4, be furnished with the first tubular anode 2 and the second tubular anode 3 at this cathode bar 4 external concentric, piling up in the annular space between the first tubular anode 2 and the second tubular anode 3 has multiple metal block 8; In described conically shaped 6, be flatly provided with fixed disc 12, the center is provided with motor 5, and it drives the rotation of described rotating-disk 10 by turning axle 11, and then drives the first tubular anode 2 and the second tubular anode 3 to rotate; Described first tubular anode 2, second tubular anode 3 and described metal block 8 all discharge iron ion and aluminum ion under external dc power supply effect, and hydrolysis generates ironic hydroxide and alumine hydroxide colloid, and make the solid particulate matter in waste water with described colloid flocculation sediment.
In the preferred version of second aspect of the present utility model, described metal block 8 uses as sacrificial anode, and can be supplemented by the external world at any time in its consumption process.This supplementing can by adding metal block to realize simply, and operation is simple for it.
In the preferred version of second aspect of the present utility model, described rotating-disk 10 drives described first tubular anode 2 and the second tubular anode 3 to rotate, and stirs pending waste water.This stirring action makes the colloidalmaterial in waste water and organic dope be not easy deposition at the electrode surface, and be conducive to the clean of holding electrode surface, maintenance electrode efficiency is unlikely to too fast decline.In addition, Stirring also improves the flocculation efficiency of flocculation agent, and throw out just other impurity of Adsorption and flocculation in dropping process, does not have radial motion process originally; After stirring, throw out, except above-below direction, can also flocculate in radial directions, is equivalent to " two dimension volume is swept ", improves flocculation efficiency.In addition, Stirring also produces certain centrifugal force, throw out can be impelled to be thrown toward electric flocculation apparatus outer tube inner wall place, and glide along the gap between the second tubular anode 3 and electric flocculation apparatus urceolus 1, and after entering conically shaped 6, throw out continues to slip down to bottom conically shaped along the annular space between fixed disc 12 and conically shaped 6, save bit by bit a certain amount of after discharge from the throw out of bottom outlet 13.
Stirring pending waste water is also go against the conventional thinking of those skilled in the art, and promote throw out precipitation because generally for, technician more wishes that waste water is static or sluggish flow, does not wish to carry out stir process to waste water.And the utility model exactly provides this stirring, and achieve above-mentioned beneficial effect.
Advantage of the present utility model is as follows:
1. anode adopts the first tubular anode and this tubular of the second tubular anode to arrange, and increases the contact area of waste water and anode.In addition, using the metal block of unordered accumulation as sacrificial anode, further increase the contact area of waste water and anode, improve current efficiency.
2. drive the first tubular anode and the second tubular anode to rotate with rotating-disk, and then drive waste water to rotate, wash away electrode surface, make its not easily pollute by dirt.And waste water rotates and impels throw out to become downwards from the single downward sedimentation volume ability of sweeping and radial direction all has volume and sweeps ability, be equivalent to become two dimension volume sweep, both improve flocculation efficiency, be equivalent to again the effect providing centrifugation, promoted that volume swept being separated in time of rear throw out and waste water.
3. using metal block as sacrificial anode, greatly slow down or avoid the consumption of tubular anode, extend the work-ing life of tubular anode, avoid the frequent trouble changed.This metal block can supplement from the external world easily at any time.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electric flocculation apparatus of the present utility model.
In figure, Reference numeral implication is as follows:
1-cylindrical outer barrel; 2-first tubular anode; 3-second tubular anode; 4-cathode bar; 5-motor; 6-conically shaped; 7-cinclides; 8-metal block; 9-water outlet; 10-rotating-disk; 101-electrode fitting groove; 102-bottom outlet; 11-turning axle; 12-fixed disc; 13-throw out exports; 14-supporting leg.
Embodiment
Be described in further details the utility model below in conjunction with embodiment and accompanying drawing, embodiment is only limitted to the utility model is described, but not to restriction of the present utility model.
Embodiment 1:
Be that the pharmaceutical wastewater of 3321.17mg/L carries out electric flocculation treatment from the electric flocculation apparatus that top passes into as shown in Figure 1 by CODcr.Wherein said CODcr refers to and adopts potassium bichromate (K
2cr
2o
7) chemical oxygen demand that determines as oxygenant, i.e. dichromate index.In described electric flocculation apparatus, cathode bar material is iron, and the material of the first tubular anode and the second tubular anode is iron, in the unordered circular clearance be deposited between the first tubular anode and the second tubular anode of the irregular metal block of different shape 8.The volts DS of 110V is applied between negative electrode and anode.Starter motor driven rotary disk rotate with the speed of 30rpm.The residence time of waste water in this electric flocculation apparatus is about 7 minutes, and from the waste water after treatment that water outlet flows out, its CODcr is reduced to 1371.64mg/L.Water outlet is limpid, illustrates to obtain between throw out with waste water to be effectively separated.
Electric flocculation apparatus of the present utility model, after running 1 month continuously, takes out the first tubular anode and the second tubular anode, finds that its surface is very clean, only have little dirt attached to it.First tubular anode and the second tubular anode are weighed, finds that its weight loss is only 1.73% of initial weight.Ferro-aluminium block surface is also very clean, and its consumption is 39.47% of initial weight, illustrates that ferro-aluminium block is effective as sacrificial anode.After this, this ferro-aluminium block can be supplemented from the external world as required.
Comparative example 1
All the other processing condition are identical, just do not use described ferro-aluminium block as sacrificial anode, after then running 1 month continuously under same process condition, the weight loss of described first tubular anode and the second tubular anode is about about 47.33% of its initial weight, to such an extent as to the contact area of waste water and anode reduces greatly, electrode efficiency declines very fast, under same retention time of sewage, the CODcr of water outlet is 2346.65mg/L, illustrate that electric flocculating effect is deteriorated, have to replacing first tubular anode and the second tubular anode.
Comparative example 2
All the other processing condition are identical, just tubular anode non rotating, and after so running 1 month continuously under same process condition, tubular anode and ferro-aluminium block surface attachment have a large amount of dirts, cause electrode efficiency sharply to decline, and scale removal is carried out in shut-down of having to.In addition, delivery turbidity is increased considerably compared with the water outlet of embodiment 1, and illustrate that the complete sedimentation that is not able to do in time of a lot of throw out has just been flowed out with water outlet, this brings trouble to subsequent disposal.
Claims (6)
1. process an electric flocculation apparatus for waste water, it is characterized in that, it comprises the cylindrical outer barrel (1) and conically shaped (6) that are communicated with up and down, and by the two separated horizontally disposed rotating-disk (10); The axis place of wherein said electric flocculation apparatus urceolus (1) is provided with cathode bar (4), be furnished with the first tubular anode (2) and the second tubular anode (3) at this cathode bar (4) external concentric, piling up in the annular space between the first tubular anode (2) and the second tubular anode (3) has multiple metal block (8).
2. electric flocculation apparatus according to claim 1, it is characterized in that, be supported with the fixed disc (12) of level by supporting leg (14) in described conically shaped (6), be provided with motor (5) at its center, this motor (5) drives the rotation of described rotating-disk (10) by turning axle (11), and then drives the first tubular anode (2) and the second tubular anode (3) to rotate.
3. electric flocculation apparatus according to claim 1, it is characterized in that, described cathode bar (4), the first tubular anode (2) and the second tubular anode (3) are arranged on the multi-group electrode mounting groove (101) be positioned on rotating-disk (10) independently of one another.
4. electric flocculation apparatus according to claim 2, it is characterized in that, wherein said first tubular anode (2) and the second tubular anode (3) all have cinclides (7), and described rotating-disk (10) and described fixed disc (12) all have bottom outlet (102).
5. electric flocculation apparatus according to claim 1, is characterized in that, described metal block (8) unordered accumulation also all contacts with the second tubular anode (3) with described first tubular anode (2).
6. electric flocculation apparatus according to claim 2, is characterized in that, leaves annular space between described fixed disc (12) outer rim and described conically shaped (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220552.3U CN204588776U (en) | 2015-04-13 | 2015-04-13 | A kind of electric flocculation apparatus processing waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220552.3U CN204588776U (en) | 2015-04-13 | 2015-04-13 | A kind of electric flocculation apparatus processing waste water |
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| Publication Number | Publication Date |
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| CN204588776U true CN204588776U (en) | 2015-08-26 |
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| CN201520220552.3U Expired - Fee Related CN204588776U (en) | 2015-04-13 | 2015-04-13 | A kind of electric flocculation apparatus processing waste water |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803455A (en) * | 2015-04-13 | 2015-07-29 | 北京华瑞创源环保科技有限公司 | Electrocoagulation equipment for wastewater treatment and electrocoagulation method |
| CN105621538A (en) * | 2016-03-11 | 2016-06-01 | 上海丁香环境科技有限公司 | Rotating electrode type water treatment device |
| CN107857345A (en) * | 2017-11-09 | 2018-03-30 | 中国恩菲工程技术有限公司 | Electric flocculation device |
| CN107879429A (en) * | 2017-11-09 | 2018-04-06 | 中国恩菲工程技术有限公司 | Electric Fenton device |
| CN107879432A (en) * | 2017-11-09 | 2018-04-06 | 中国恩菲工程技术有限公司 | Electric flocculation Waste Water Treatment |
| CN107879433A (en) * | 2017-11-09 | 2018-04-06 | 中国恩菲工程技术有限公司 | Pipeline electric flocculation device |
| CN107902733A (en) * | 2017-11-09 | 2018-04-13 | 中国恩菲工程技术有限公司 | Electric flocculation device |
| CN108046383A (en) * | 2017-11-09 | 2018-05-18 | 中国恩菲工程技术有限公司 | Electric flocculation device |
-
2015
- 2015-04-13 CN CN201520220552.3U patent/CN204588776U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803455A (en) * | 2015-04-13 | 2015-07-29 | 北京华瑞创源环保科技有限公司 | Electrocoagulation equipment for wastewater treatment and electrocoagulation method |
| CN105621538A (en) * | 2016-03-11 | 2016-06-01 | 上海丁香环境科技有限公司 | Rotating electrode type water treatment device |
| CN107857345A (en) * | 2017-11-09 | 2018-03-30 | 中国恩菲工程技术有限公司 | Electric flocculation device |
| CN107879429A (en) * | 2017-11-09 | 2018-04-06 | 中国恩菲工程技术有限公司 | Electric Fenton device |
| CN107879432A (en) * | 2017-11-09 | 2018-04-06 | 中国恩菲工程技术有限公司 | Electric flocculation Waste Water Treatment |
| CN107879433A (en) * | 2017-11-09 | 2018-04-06 | 中国恩菲工程技术有限公司 | Pipeline electric flocculation device |
| CN107902733A (en) * | 2017-11-09 | 2018-04-13 | 中国恩菲工程技术有限公司 | Electric flocculation device |
| CN108046383A (en) * | 2017-11-09 | 2018-05-18 | 中国恩菲工程技术有限公司 | Electric flocculation device |
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Address after: 100096 Beijing city Haidian District producing up new Garden District 2 building two storey commercial housing 2205 rooms Patentee after: ZHONGDA LIXIN (BEIJING) TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 100096 Beijing city Haidian District producing up new Garden District 2 building two storey commercial housing 2205 rooms Patentee before: BEIJING HUARUI CHUANGYUAN ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY CO.,LTD. |
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