CN202945085U - Device for treating heavy metal wastewater - Google Patents
Device for treating heavy metal wastewater Download PDFInfo
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- CN202945085U CN202945085U CN 201220642525 CN201220642525U CN202945085U CN 202945085 U CN202945085 U CN 202945085U CN 201220642525 CN201220642525 CN 201220642525 CN 201220642525 U CN201220642525 U CN 201220642525U CN 202945085 U CN202945085 U CN 202945085U
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- tube
- cathode tube
- heavy metal
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- anode
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Abstract
The utility model discloses a device for treating heavy metal wastewater. The device comprises an anode tube, a cathode tube, a rotation driving component and a pulse power supply, wherein the anode tube is sleeved in the cathode tube and is driven by the rotation driving component to rotate; a wastewater inlet is formed in the top of the anode tube; the bottom of the anode tube is provided with a wastewater outlet and is communicated with a cavity of the cathode tube; more than one cathode tube outlet is formed in the cathode tube; an anode connector is arranged at the top of the anode tube; the anode connector is connected with a positive electrode of the pulse power supply; and the cathode tube is connected with a negative electrode of the pulse power supply. The device disclosed by the utility model has the advantages that the structure is compact, the size is small, the disassembly and assembly are convenient, the operation is easy and simple, and the energy consumption is low.
Description
Technical field
The utility model is mainly concerned with the heavy metal containing wastewater treatment field in environmental protection equipment, refers in particular to a kind of device with rotating tubular type iron electrode-electric flocculence processing heavy metal wastewater thereby.
Background technology
At industrial circles such as metallic ore smelting, electrolysis, plating, paint, dyestuffs, will discharge the waste water that contains in a large number heavy metal ion every year.Because heavy metal can not be degraded in water, easily enrichment, thus can cause water pollution; And by soil, water, air, especially by food chain, to the direct harm of human health.Therefore, the purifying treatment of heavy metal wastewater thereby become one of problem demanding prompt solution in environment protection.
At present, conventional treatment method to heavy metal wastewater thereby has chemical precipitation method, biological process, ion-exchange-resin process and absorption method etc., its ultimate principle is all that the heavy metal in waste water is changed into throw out or easy-to-handle other forms, then adopts land-fill method.But above-mentioned processing mode easily causes secondary pollution, heavy metal meeting polluted underground water and surface water, and the improvement of this pollution is usually needed to pay more expensive cost.
Electrochemical process is the competitive process for treating heavy-metal waste water that developed recently gets up.It is to utilize electrochemical principle to process waste water, and it has following advantage: 1. need not to add the pharmaceutical chemicalss such as any oxygenant, flocculation agent; 2. but not only individual curing but also can combine with other technologies, improved the biodegradability of waste water; 3. can or seldom not produce secondary pollution; 4. equipment volume little, take up an area less, convenient and flexible operation, so this method is called as the clean method.But present electrochemical process also exists, and energy consumption is large, cost is high, analyse the many many deficiencies of the side reactions such as oxygen and liberation of hydrogen.
The utility model content
The technical problems to be solved in the utility model just is: for the technical problem that prior art exists, the utility model provide a kind of simple and compact for structure, volume is little, the device of easy accessibility, the processing heavy metal wastewater thereby that easy and simple to handle, energy consumption is low.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of device of processing heavy metal wastewater thereby, it comprises anode tube, cathode tube, rotating drive assembly and the pulse power, described anode tube is sheathed in cathode tube and rotates under the driving of rotating drive assembly, the top of described anode tube is provided with waterwater entrance, the bottom of described anode tube is provided with wastewater outlet and is communicated with the inner chamber of cathode tube, offer more than one cathode tube outlet on described cathode tube, the top of described anode tube is provided with positive contact, described positive contact is connected with the positive pole of the pulse power, and described cathode tube is connected with the negative pole of the pulse power.
As further improvement of the utility model:
Described rotating drive assembly comprises drive-motor and transmission rig, and the top of described anode tube is equipped with belt pulley, and described belt pulley is connected with drive-motor and rotates with anode tube under the effect of drive-motor by transmission rig.
Described belt pulley is connected with support by bearing.
The bottom of described cathode tube is for the sealing shape and be provided with sewage draining valve.
Compared with prior art, the utility model has the advantage of: the device of processing heavy metal wastewater thereby of the present utility model, simple and compact for structure, floor space is little, easy accessibility, easy and simple to handle, energy consumption is low, by adopting the pulse power, the power consumption of complete machine and the consumption of utmost point pipe can be saved more than 50% comparatively speaking.In addition, the utility model adopts dismountable mode that anode tube is connected with driving part, is convenient to like this replacing of anode tube.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present utility model.
Marginal data:
1, anode tube; 2, screw; 3, belt pulley; 4, bearing; 5, positive contact; 6, cathode tube outlet; 7, cathode tube.
Embodiment
Below with reference to Figure of description and specific embodiment, the utility model is described in further details.
As shown in Figure 1, the utility model is a kind of device of processing heavy metal wastewater thereby, it comprises anode tube 1, cathode tube 7, rotating drive assembly, pulse power (not shown) and control unit (not shown), the pulse power can provide the periodically power supply of commutation, anode tube 1 is sheathed in cathode tube 7 and rotates under the driving of rotating drive assembly, and the rotating drive assembly is connected with control unit.Waste water passes into from the top of anode tube 1, and the bottom of anode tube 1 is provided with wastewater outlet and is communicated with the inner chamber of cathode tube 7, and the inner chamber of cathode tube 7 forms electrolysis zone; Offer more than one cathode tube outlet 6 on cathode tube 7, the bottom of cathode tube 7 is sealing, and can be designed with sewage draining valve.The top of anode tube 1 is provided with positive contact 5, and this positive contact 5 can be carbon brush, is used for being connected with carbon brush into the pulse power positive pole of electrical treating power supply, guarantees to continue in the rotation process of anode tube 1 to anode tube 1 power supply; Cathode tube 7 is connected with the negative pole of the pulse power.After energising, the surface of anode tube 1 will produce a certain amount of flocculation agent, is used for adsorbing the heavy metal ion in waste water, then the microbubble that is produced by cathode tube 7 and the flow force waste water after processing is taken reaction zone out of.
In the present embodiment, the rotating drive assembly comprises drive-motor and transmission rig, the top of anode tube 1 is equipped with belt pulley 3 by web member and screw 2, and belt pulley 3 is connected with drive-motor by transmission rig and rotates with anode tube 1 under the effect of drive-motor.During concrete the application, require belt pulley 3 to be connected with the support (not shown) by bearing 4,
In the present embodiment, anode tube 1 is to be made by the iron pipe of a suitable diameter.
During work, at first start water pump, waste water is pumped into the entrance at anode tube 1 top, when the outlet of anode tube 1 bottom has waste water to overflow, the unbalanced pulse power supply; Adjust as requested each parameter, waste water after treatment contains a certain amount of flocculation agent ironic hydroxide, and after solid-liquid separation, solids-enriched reaches does the heap requirement, and liquid is waste water up to standard, can directly discharge.
In concrete application example, adopt this device to process manual simulation's cadmium waste water, the cadmium ion starting point concentration is 42mg/L, the pH value is 7.28, and specific conductivity is 7000us/cm, after processing through this device, concentration of cadmium ions reaches 0.004mg/L, and iron plate consumes and is 0.83kg/m3, and power consumption is 1.811kwh/m3.
In another concrete application example, for smeltery's class waste water, contain zinc: 258mg/L, cadmium: 9.55mg/L, arsenic: 24.2mg/L, specific conductivity are that 9100us/cm, pH value are 2.23, after processing through the utility model device after adjustment pH value, can make the waste water index is zinc: 0.234mg/L, cadmium: 0.069mg/L, arsenic: 0.001mg/L, iron plate consumes and is 2.19kg/m3, and power consumption is 4.42kwh/m3.
Be only below preferred implementation of the present utility model, protection domain of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under the utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art, the some improvements and modifications not breaking away under the utility model principle prerequisite should be considered as protection domain of the present utility model.
Claims (4)
1. device of processing heavy metal wastewater thereby, it is characterized in that: it comprises anode tube (1), cathode tube (7), rotating drive assembly and the pulse power, described anode tube (1) is sheathed in cathode tube (7) and rotates under the driving of rotating drive assembly, the top of described anode tube (1) is provided with waterwater entrance, the bottom of described anode tube (1) is provided with wastewater outlet and is communicated with the inner chamber of cathode tube (7), offer more than one cathode tube outlet (6) on described cathode tube (7), the top of described anode tube (1) is provided with positive contact (5), described positive contact (5) is connected with the positive pole of the pulse power, described cathode tube (7) is connected with the negative pole of the pulse power.
2. the device of processing heavy metal wastewater thereby according to claim 1, it is characterized in that: described rotating drive assembly comprises drive-motor and transmission rig, the top of described anode tube (1) is equipped with belt pulley (3), and described belt pulley (3) is connected with drive-motor by transmission rig and rotates with anode tube (1) under the effect of drive-motor.
3. the device of processing heavy metal wastewater thereby according to claim 2 is characterized in that: described belt pulley (3) is connected with support by bearing (4).
4. the device of the described processing heavy metal wastewater thereby of any one according to claim 1～3, it is characterized in that: the bottom of described cathode tube (7) is for the sealing shape and be provided with sewage draining valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642525 CN202945085U (en) | 2012-11-29 | 2012-11-29 | Device for treating heavy metal wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642525 CN202945085U (en) | 2012-11-29 | 2012-11-29 | Device for treating heavy metal wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202945085U true CN202945085U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220642525 Expired - Lifetime CN202945085U (en) | 2012-11-29 | 2012-11-29 | Device for treating heavy metal wastewater |
Country Status (1)
| Country | Link |
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| CN (1) | CN202945085U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991936A (en) * | 2014-05-20 | 2014-08-20 | 江苏大学 | Coaxial pulsed electro-coagulation device and method for treating gold mine wastewater |
| 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 |
| CN111302541A (en) * | 2020-03-23 | 2020-06-19 | 上海与非日用品有限公司 | Open-air simple and easy water purifier based on water conservancy |
-
2012
- 2012-11-29 CN CN 201220642525 patent/CN202945085U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991936A (en) * | 2014-05-20 | 2014-08-20 | 江苏大学 | Coaxial pulsed electro-coagulation device and method for treating gold mine wastewater |
| 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 |
| CN111302541A (en) * | 2020-03-23 | 2020-06-19 | 上海与非日用品有限公司 | Open-air simple and easy water purifier based on water conservancy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |
|
| CX01 | Expiry of patent term |