CN201372219Y - Waste water treatment unit using electro-coagulation-floatation method - Google Patents
Waste water treatment unit using electro-coagulation-floatation method Download PDFInfo
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- CN201372219Y CN201372219Y CN200920079083U CN200920079083U CN201372219Y CN 201372219 Y CN201372219 Y CN 201372219Y CN 200920079083 U CN200920079083 U CN 200920079083U CN 200920079083 U CN200920079083 U CN 200920079083U CN 201372219 Y CN201372219 Y CN 201372219Y
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- waste water
- electrolyzer
- wastewater treatment
- treatment device
- electrolytic bath
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Abstract
The utility model discloses a waste water treatment unit using an electro-coagulation-floatation method, which comprises an electrolytic bath and a power source. The electrolytic bath is internally provided with negative electrodes and positive electrodes; the power source adopts a low-voltage high-frequency pulse DC power source; a plurality of groups of negative electrodes and positive electrodes are arranged; each group of negative electrodes and positive electrodes are provided with a plurality of pole plates; the negative electrode groups and the positive electrode groups are arranged at interval and respectively connected with the power source in a unipolar manner by a bus; the pole plates are common carbon steel plates; the electrolytic bath is internally provided with clapboards; one end of each clapboard is fixed with the inner wall of the electrolytic bath while the free end thereof forms a waste water channel with a clearance on the inner wall of the electrolytic bath; neighboring clapboards are arranged in an interlaced manner, thus causing water to reenter in the electrolytic bath and form turbulent water flow. The adoption of the waste water treatment unit can reduce energy consumption by more than 30 percent and realize waste water unit power consumption smaller than or equal to 1KW per ton of waste water and pole plate material consumption reduced by more than 30 percent; the supporting power source has small volume and light weight and is safe and reliable. The unit can be widely applied to various fields of waste water, especially the pretreatment of waste water in oil and gas fields.
Description
Technical field
The utility model relates to a kind of electric float wastewater treatment device, is particularly suitable for the oil gas field waste water treatment.
Background technology
Multiple functions such as that the electric floating method wastewater treatment has is broken steady, air supporting, oxidation (reducing COD), decolouring, deodorizing, heavy metal ion deposition, applied widely, treatment effect good, easy to adjust flexibly, advantage such as facility compact, be a kind of wastewater processing technology with development potentiality.
But, existing electric floating treatment unit adopts the above high-voltage thyristor DC power supply of 200V, thereby be not suitable for handling the waste water that contains flammable and explosive substance, oil-gas field waste water for example, because of containing petroleum-type (oil, Sweet natural gas) flammable and explosive substance in the oil-gas field waste water, with the above forceful electric power power supply of 200V, plate potential is very high, easily these materials of ignition and blasting with cause human body to contact dangerous voltage, have potential safety hazard.
In addition, the internal structure of device also also has shortcoming, and the residence time of waste water in device is short, and treatment effect is relatively poor.In application, exist work efficiency than low, waste water specific power consumption more than 2KW ton waste water, energy consumption and pole plate consumption are big, the easy passivation of electrode, the power supply heaviness, device weighs several tons.Thereby, in the actual waste water treatment project, use less.
Summary of the invention
The purpose of this utility model is the above-mentioned defective that exists at the electric floating treatment unit of existing waste water, provides a kind of employing safety voltage pulse power, the electric floating treatment unit that volume is little, in light weight, energy consumption is little, consumptive material is few.
The purpose of this utility model is achieved in that
A kind of electric float wastewater treatment device comprises electrolyzer, power supply, has the yin, yang electrode in the described electrolyzer, and described power supply adopts low pressure high frequency pulse dc power supply.
Described voltage of supply 0～18V is adjustable continuously, and electric current 0～6000A is adjustable continuously.
Described yin, yang electrode is divided into many groups, and every group has the polylith pole plate, and the alternate layout of yin, yang electrode group connects power supply by the bus unipolarity respectively.
Described pole plate is the plain carbon stool plate.
Described bus adopts copper bar.
Be provided with dividing plate in the described electrolyzer, an end of dividing plate is fixed on the electrolyzer inwall, and the gap of its free end and electrolyzer inwall constitutes waste water tunnel, the adjacent separator staggered arrangement, and it is moving that current are backflowed in the electrolyzer invagination, forms to seethe the formula current.
The water inlet pipe of described electrolyzer is located at the bottom, and rising pipe is located at top, goes out on advancing under forming.
Described top of separating groove is provided with excessive slag chute, and its upper limb is a little more than the water surface in the electrolyzer, and its bottom outlet pipe is connected with the electrolyzer scum pipe.
Described bottom of electrolytic tank is provided with the taper slag deposition groove, and slag deposition groove is furnished with the valve of slagging tap.
The beneficial effects of the utility model:
Compare with the conventional electrical float wastewater treatment device, the utlity model has applied widely, processing power is big, treatment effect good, energy consumption low reduces more than 30%, waste water specific power consumption≤1KW ton waste water, plate material consumption reduce more than 30%, supporting power volume is little, weight outstanding advantages such as hundreds of kilogram, safe and reliable, operating voltage≤12V only.This device particularly has very big popularization practical value in oil gas field waste water pretreatment field at all kinds of waste water.
Further specify the utility model below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the electric floating treatment unit structure vertical view of this waste water;
Fig. 2 is the electric floating treatment unit structural front view of this waste water.
Code name implication among the figure: 1-dividing plate; The 2-pole plate; The 3-water inlet pipe; The 4-rising pipe; 5-pole plate fixing catch; The 6-bus; The 7-slag chute that overflows; The 8-power supply; The 9-bolt; The 10-support; The 11-scum pipe; The 12-inlet valve; The 13-slag deposition groove; The 14-valve of slagging tap; The 15-electrolyzer.
Embodiment
Referring to Fig. 1, Fig. 2: this oil gas field waste water pre-treatment means comprises electrolyzer 15, power supply 8.
Power supply 8 adopts low pressure high frequency pulse dc power supply, and voltage 0～18V is adjustable continuously, and electric current 0～6000A is adjustable continuously.This power supply is a safety voltage, can be used for handling the waste water that contains flammable and explosive substance.
Be furnished with many group yin, yang pole plates 2 in the electrolyzer 15, every group has 14 pole plates, is installed in parallel on the support 10, fixing by pole plate fixing catch 5.The alternate layout of yin, yang pole plate group connects power supply 8 by bus 6 unipolarities respectively.Bus 6 adopts copper bar.The kind electrode structure, electrolysis effectiveness is good, and watt consumption is low.
Pole plate adopts the plain carbon stool plate, is difficult for passivation, can reduce consumption of electrode.
Be provided with dividing plate 1 in the electrolyzer 15, an end of dividing plate 1 is fixed on electrolyzer 15 inwalls, and the gap of its free end and electrolyzer inwall constitutes waste water tunnel, the adjacent separator staggered arrangement, and it is moving that current are backflowed in the electrolyzer invagination, forms the formula of seething.Like this, the residence time of waste water in device is long, sufficient reacting, and treatment effect is good.
The water inlet pipe 3 of electrolyzer 15 is in the bottom, and rising pipe 4 goes out on advancing under forming on top.
The top of electrolyzer 15 is provided with the slag chute 7 that overflows, and its upper limb is a little more than the water surface in the electrolyzer, and its bottom outlet pipe is connected with electrolyzer scum pipe 11.
The principle of work of this device:
Under galvanic effect, plate material loses electronics because of forced oxidation-reduction reaction takes place, and generates metal ion and enters in the waste water, with the OH in the water
-Effect forms multiple hydroxo complex, multinuclear hydroxo complex and oxyhydroxide.These resultants are active strong, purify water at the bottom of formation great quantity of floc such as colloidal particle in the waste water, suspended substance, heavy metal ion are deposited to the pond thereby can condense strongly and adsorb.Simultaneously, polar board surface also can discharge O during electrolysis
2, H
2, CO
2, Cl
2Deng, form the micro bubble of a large amount of diameter 10～30 μ m, because the micro bubble surface-area is big, the colloidal particle, suspended substance, heavy metal ion, oil and the flco that easily adhere in uphill process in the waste water form scum silica frost; Scum silica frost is discharged by the slag chute that overflows.In addition, can produce OH free radical during electrolysis, so also have oxidation, decolouring, deodorizing, disinfectant ability with strong oxidation capacity.According to the difference of conductivity of waste water, can in waste water, add a small amount of salt to improve the waste water conductivity, usually [Cl
-] 〉=1000mg/l can add.
Claims (9)
1. an electric float wastewater treatment device is characterized in that: comprise electrolyzer, power supply, have the yin, yang electrode in the described electrolyzer, described power supply employing low pressure high frequency pulse dc power supply.
2. according to the described electric float wastewater treatment device of claim 1, it is characterized in that: described voltage of supply 0～18V is adjustable continuously, and electric current 0～6000A is adjustable continuously.
3. according to the described electric float wastewater treatment device of claim 1, it is characterized in that: described yin, yang electrode is divided into many groups, and every group has the polylith pole plate, and the alternate layout of yin, yang electrode group connects power supply by the bus unipolarity respectively.
4. according to the described electric float wastewater treatment device of claim 3, it is characterized in that: described pole plate is the plain carbon stool plate.
5. according to the described electric float wastewater treatment device of claim 3, it is characterized in that: described bus adopts copper bar.
6. according to the described electric float wastewater treatment device of claim 1, it is characterized in that: be provided with dividing plate in the described electrolyzer, one end of dividing plate is fixed on the electrolyzer inwall, the gap of its free end and electrolyzer inwall constitutes waste water tunnel, the adjacent separator staggered arrangement, it is moving that current are backflowed in the electrolyzer invagination, forms to seethe the formula current.
7. according to the described electric float wastewater treatment device of claim 1, it is characterized in that: the water inlet pipe of described electrolyzer is located at the bottom, and rising pipe is located at top, goes out on advancing under forming.
8. according to the described electric float wastewater treatment device of claim 1, it is characterized in that: the top of described electrolyzer is provided with excessive slag chute, and its upper limb is a little more than the water surface in the electrolyzer, and its bottom outlet pipe is connected with the electrolyzer scum pipe.
9. according to the described electric float wastewater treatment device of claim 1, it is characterized in that; Described bottom of electrolytic tank is provided with the taper slag deposition groove, and this slag deposition groove is furnished with the valve of slagging tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920079083U CN201372219Y (en) | 2009-02-16 | 2009-02-16 | Waste water treatment unit using electro-coagulation-floatation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920079083U CN201372219Y (en) | 2009-02-16 | 2009-02-16 | Waste water treatment unit using electro-coagulation-floatation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201372219Y true CN201372219Y (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920079083U Expired - Lifetime CN201372219Y (en) | 2009-02-16 | 2009-02-16 | Waste water treatment unit using electro-coagulation-floatation method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955300A (en) * | 2010-08-31 | 2011-01-26 | 中国矿业大学(北京) | Coke powder bipolar three-dimensional electrode water treatment reactor |
| CN103086481A (en) * | 2013-02-22 | 2013-05-08 | 昆山鸿福泰环保科技有限公司 | Electrolyzer |
| CN103408106A (en) * | 2013-08-22 | 2013-11-27 | 吉林大学 | Overturning flow-type electrochemical reactor |
-
2009
- 2009-02-16 CN CN200920079083U patent/CN201372219Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955300A (en) * | 2010-08-31 | 2011-01-26 | 中国矿业大学(北京) | Coke powder bipolar three-dimensional electrode water treatment reactor |
| CN103086481A (en) * | 2013-02-22 | 2013-05-08 | 昆山鸿福泰环保科技有限公司 | Electrolyzer |
| CN103408106A (en) * | 2013-08-22 | 2013-11-27 | 吉林大学 | Overturning flow-type electrochemical reactor |
| CN103408106B (en) * | 2013-08-22 | 2015-11-04 | 吉林大学 | One seethes flowing-type electrochemical reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160603 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 621000 No. 67 middle Garden Road, Mianyang, Sichuan Patentee before: China Petrochemical Corporation Southwest Petroleum Engineering Co., Ltd. Oilfield Engineering Servi |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091230 |