CN208545167U - Capacitive adsorption device - Google Patents
Capacitive adsorption device Download PDFInfo
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- CN208545167U CN208545167U CN201820957565.2U CN201820957565U CN208545167U CN 208545167 U CN208545167 U CN 208545167U CN 201820957565 U CN201820957565 U CN 201820957565U CN 208545167 U CN208545167 U CN 208545167U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Abstract
The utility model discloses capacitive adsorption devices, including shell and the sliding rail being set on shell, multiple anode plate and cathode plate along the setting of sliding rail extending direction alternate intervals are provided in shell, it is slidably fitted on sliding rail and is fixedly connected with corresponding sliding block with the one-to-one sliding block of the anode plate and cathode plate, the anode plate and cathode plate.Also disclose the water treatment system using capacitive adsorption device.The beneficial effects of the utility model are: being provided with multi-group electrode in capacitive adsorption device, pole plate spacing can accurately adjust realization, can solve the problems, such as that easily short circuit or Electro Sorb are inefficient between pole plate in current device, while having very high flexibility.
Description
Technical field
The utility model relates to sewage-treatment plant technical field, especially a kind of capacitive adsorption device is used for sewage plant
Water outlet proposes mark processing.
Background technique
In recent years, with the increase of human industry and Agricultural Activities, inevitably to water bodys such as river, lake and reservoirs
It pollutes.And in water body it is phosphatic it is exceeded will result directly in water eutrophication, be mainly shown as algae and other be floating
The mass propagation of trip biology, the decline of Dissolved Oxygen in Water, water quality sharply deteriorate, and water ecology balance is destroyed.At present
Urban wastewater treatment firm water outlet is the level-one A mark in " urban wastewater treatment firm pollutant emission standard ", total phosphorus concentration of emission
For 0.5mg/L, and total phosphorus concentration is 0.3mg/L in river in IV class standard in " water environment quality standard ", total in lake and reservoir
Phosphorus concentration is 0.1mg/L.The water outlet of sewage treatment plant is in line to enter surface water, it will causes total phosphorus in lake exceeded, leads to lake
Moor eutrophication.Therefore, before sewage disposal plant effluent is discharged into surface water, it is also necessary to be further processed to water outlet, reach it
IV class standard in " water environment quality standard ".
Traditional phosphorus removing method includes: biological phosphate-eliminating, chemical dephosphorization etc..Biological phosphate-eliminating is larger by external influence factor,
And the growth cycle of microorganism is longer, will affect the stability of biological phosphate-eliminating, generally than being relatively inaccessible to good control condition；Change
It is more stable to learn dephosphorization treatment effect, but calcium salt, molysite medicament that chemical precipitation uses are costly, the chemical sludge water content of generation
Greatly, dehydration is difficult, is also easy to produce secondary sludge pollution, while the phosphorus in sludge cannot achieve recovery processing, cause the wave of phosphor resource
Take.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of capacitive adsorption device, using improvement
Capacitive adsorption technology low-concentration phosphorus-containing wastewater is adsorbed, and can be realized the recycling of phosphor resource.
The basic principle of capacitive adsorption technology is to apply certain voltage at electrode both ends, zwitterion or with electrochondria in solution
Son, respectively to two migrations, is adsorbed in electrode surface under electric field force and concentration gradient effect.Compared with traditional dephosphorization process, electricity
It is the advantages of holding adsorption technology simply, it is convenient to recycle phosphor resource simultaneously.
Inventor has found that electrode plate spacing is affected to absorption property in capacitive adsorption device under study for action, pole plate spacing
When smaller, electric current is stronger, and the capacitance of formation is big, and to the large amount of adsorption of ion, but pole plate spacing is too small, easily causes electrode short
Road, while also will increase the resistance to mass tranfer by the water flow between pole plate, influence Electro Sorb effect.Pole plate spacing is big, the electricity of formation
Capacity is small, and the driving force of Electro Sorb is small, to the poor removal effect of ion.Capacitive adsorption device pole plate spacing in actual motion is
Constant spacing, spacing control is improper to cause short circuit of polar or spacing excessive, reduces capacitive adsorption efficiency.
The purpose of this utility model is achieved through the following technical solutions: capacitive adsorption device, including shell and is set to
Sliding rail on shell is provided with multiple anode plate and cathode plate along the setting of sliding rail extending direction alternate intervals, sliding rail in shell
On be slidably fitted with the one-to-one sliding block of the anode plate and cathode plate, the anode plate and cathode plate with it is corresponding
Sliding block is fixedly connected.
To which the group number of Electro Sorb material can be adjusted according to influent concentration, and can according to need accurate adjusting anode plate
With the spacing of cathode plate, optimum utilization is reached using electrode material to the greatest extent.The anode plate and cathode plate
It can be in parallel or series.
Preferably, water inlet and discharge outlet are provided on the shell
Optionally, the anode plate and cathode plate are made of collectors, electrode materials such as graphite plate or titanium nets.It is preferred that
, the anode plate and cathode plate include the electrode material of graphite plate and the two-sided or single side filling in graphite plate.
Preferably, scale is provided on the sliding rail.
Preferably, it is connected between adjacent anode plate and cathode plate by telescopic rod.
It is further preferred that the capacitive adsorption device further includes PLC controller and the conditioning tank for being loaded with stripping liquid
Liquidometer and on-line computing model are provided in B, conditioning tank B, the discharge outlet of shell passes through the water inlet of piping connection conditioning tank B,
And motor-driven valve G is provided between discharge outlet and conditioning tank B on pipeline, the water outlet of conditioning tank B passes through elevator pump B connection shell
Water inlet, and motor-driven valve B is provided between conditioning tank B water outlet and elevator pump B on pipeline, it is managed between elevator pump B and water inlet
Road is provided with motor-driven valve D and flowmeter B, anode plate, cathode plate, liquidometer, on-line computing model, motor-driven valve G, elevator pump B, electricity
Dynamic valve B, motor-driven valve D and flowmeter B are electrically connected with PLC controller respectively.
After capacitive adsorption device adsorbs 3 ~ 6h, capacitive adsorption device electrode is reversely connected by PLC controller, is switched to desorption
Process, the stripping liquid in conditioning tank B are pumped into shell by elevator pump B, and the draining of shell is recycled to conditioning tank B by pipeline, follows
After ring desorbs 2h, stripping liquid is back to conditioning tank B, is concentrated into after a certain concentration and phosphate fertilizer is formed by processing.
The utility model has the advantage that
1, using the phosphorus in capacitive adsorption device absorption effluent processing plant effluent, on the one hand urban wastewater treatment firm can be made to go out
Total phosphorus is marked from the level-one A in " urban wastewater treatment firm pollutant emission standard " in water or B mark is improved to " surface water environment quality
Standard " in IV class standard, then be emitted into surface water, control total phosphorus concentration from source；On the other hand it can be incited somebody to action by electrode reversal connection
The phosphorus of absorption carries out concentration and recovery.
2, multi-group electrode is provided in capacitive adsorption device, pole plate spacing can accurately adjust realization, can solve to fill at present
The easily inefficient problem of short circuit or Electro Sorb is set between pole plate, while there is very high flexibility.
3, there are when certain density chloride ion in waste water, capacitive adsorption device can generate chlorine in anode under certain voltage
Gas then produces hypochlorous acid, plays certain disinfection.
4, it is reversely connected after the adsorption saturation of capacitive adsorption device by electrode and is passed through stripping liquid and realize electrode desorption, electrolyte is dense
It is reduced to after a certain concentration and phosphate fertilizer resource utilization is formed by processing.
5, technology one-time investment is cheap, and later period operating cost is low, personnel's safety easy to operate.
Detailed description of the invention
Fig. 1 is the capacitive adsorption apparatus structure schematic diagram of the utility model；
Fig. 2 is the structural block diagram using the water treatment system of the utility model.
In figure, 1- shell, 2- anode plate, 3- cathode plate, 4- sliding block, 5- telescopic rod, 6- sliding rail.
Specific embodiment
The utility model is further described with reference to the accompanying drawing:
As shown in Figure 1, capacitive adsorption device is provided in shell 1 including shell 1 and the sliding rail 6 being set on shell 1
Multiple anode plates 2 and cathode plate 3 along the setting of 6 extending direction alternate intervals of sliding rail, are slidably fitted with and the anode on sliding rail 6
Plate 2 and the one-to-one sliding block 4 of cathode plate 3, the anode plate 2 and cathode plate 3 are fixedly connected with corresponding sliding block 4.
To which the group number of Electro Sorb material can be adjusted according to influent concentration, and can according to need accurate adjusting anode plate 2
With the spacing of cathode plate 3, optimum utilization is reached using electrode material to the greatest extent.The anode plate 2 and cathode
Plate 3 is in parallel or series.
Preferably, water inlet and discharge outlet are provided on the shell 1
Optionally, the anode plate 2 and cathode plate 3 are made of collectors, electrode materials such as graphite plate or titanium nets.It is excellent
Choosing, the electrode material of the two-sided or single side filling of the anode plate 2 and cathode plate 3 including graphite plate and in graphite plate.
Preferably, scale is provided on the sliding rail 6.
Preferably, it is connected between adjacent anode plate 3 and cathode plate 4 by telescopic rod 5.
It is further preferred that the capacitive adsorption device further includes PLC controller and the conditioning tank for being loaded with stripping liquid
Liquidometer and on-line computing model are provided in B, conditioning tank B, the discharge outlet of shell passes through the water inlet of piping connection conditioning tank B,
And motor-driven valve G is provided between discharge outlet and conditioning tank B on pipeline, the water outlet of conditioning tank B passes through elevator pump B connection shell
Water inlet, and motor-driven valve B is provided between conditioning tank B water outlet and elevator pump B on pipeline, it is managed between elevator pump B and water inlet
Road is provided with motor-driven valve D and flowmeter B, anode plate, cathode plate, liquidometer, on-line computing model, motor-driven valve G, elevator pump B, electricity
Dynamic valve B, motor-driven valve D and flowmeter B are electrically connected with PLC controller respectively.
After capacitive adsorption device adsorbs 3 ~ 6h, capacitive adsorption device electrode is reversely connected by PLC controller, is switched to desorption
Process, the stripping liquid in conditioning tank B are pumped into shell by elevator pump B, and the draining of shell is recycled to conditioning tank B by pipeline, follows
After ring desorbs 2h, stripping liquid is back to conditioning tank B, is concentrated into after a certain concentration and phosphate fertilizer is formed by processing.
As shown in Fig. 2, being adjusted for using a kind of water treatment system of the utility model, including conditioning tank A and PLC controller
It saves pond A top water outlet and connects elevator pump A, and be provided with motor-driven valve A between conditioning tank A water outlet and elevator pump A on pipeline, adjust
It is provided with first liquid level gauge and the first on-line computing model in section pond A, elevator pump A is connect with the water inlet of capacitive adsorption device, and
Flowmeter A and motor-driven valve C, the water outlet setting of capacitive adsorption device are set on pipeline between elevator pump A and capacitive adsorption device
There are the second on-line computing model and motor-driven valve F, PLC controller is monitored on-line with motor-driven valve A, elevator pump A, liquidometer, first respectively
Instrument, flowmeter A, motor-driven valve C, the second on-line computing model and motor-driven valve F electrical connection.
Preferably, the capacitive adsorption device also connects conditioning tank A by return line, is provided with electricity on return line
Dynamic valve E, motor-driven valve E are electrically connected with PLC controller.
Preferably, the water treatment system further includes desorption system, and the desorption system includes being loaded with stripping liquid
Conditioning tank B, be provided with second liquid level gauge in conditioning tank B and the water outlet of third on-line computing model capacitive adsorption device pass through pipe
Road connects the water inlet of conditioning tank B, and pipeline row is provided with motor-driven valve G, conditioning tank B between capacitive adsorption device and conditioning tank B
Water outlet by the water inlet of elevator pump B connection capacitive adsorption device, and pipeline between conditioning tank B water outlet and elevator pump B
On be provided between motor-driven valve B, elevator pump B and capacitive adsorption device and be provided with motor-driven valve D and flowmeter B on pipeline.
Preferably, stripping liquid water inlet is provided on described.
Preferably, the control design case voltage of capacitive adsorption device is 2.4-3.6V, design discharge is 0.6 ~ 1.2mL/s, if
Meter influent density is 0.5 ~ 1mg/L, and can control the residence time according to influent density is 3 ~ 6h, and inlet flow-patterm is 6.5 ~ 8.5.
Sewage plant tail water water outlet passes through the water inlet of piping connection conditioning tank A, and sewage is laggard through conditioning tank regulating water quality
Enter in capacitive adsorption device, treatment sewage residence time in capacitive adsorption device is 3 ~ 6h, is surveyed through the second on-line computing model
Examination is up to after presetting total phosphorus standard, and PLC controller control motor-driven valve F opening is emitted into surface water, if the second on-line computing model is tested
Not up to standard, then PLC controller control solenoid valve E is opened, and is back to conditioning tank A by return pipe and is again continued to handle.
After capacitive adsorption device adsorbs 3 ~ 6h, the reversal connection of capacitive adsorption device electrode is switched to by solution by PLC device and is drawn through
Journey, the stripping liquid in conditioning tank B are pumped into capacitive adsorption device by elevator pump B, and the water outlet of capacitive adsorption device is followed by pipeline
Stripping liquid after circulating desorption 2h, is back to conditioning tank B, is concentrated into after a certain concentration and forms phosphorus by processing to conditioning tank B by ring
Fertilizer.
The default total phosphorus standard can be the total phosphorus standard in " water environment quality standard " IV class standard.
Embodiment 1:
The processing of certain sewage treatment plant tail water.Total phosphorus concentration be 0.3 ~ 0.5mg/L, pH be 6.5 ~ 7.5, clamping voltage be 3.0 ~
3.2V, waste water design discharge are 0.6 ~ 1.0mL/s.It is modified using hydrogen peroxide to prepare anode for electrode material in capacitive adsorption device
Active carbon+acetylene carbon black+Kynoar, cathode is graphite plate, and pole plate spacing is 6mm, in capacitive adsorption device at circulation
After managing 3 ~ 4h, total phosphorus water outlet is 0.05 ~ 0.1mg/L, and treated tail water is up to IV category in " water environment quality standard "
Standard is then discharged into river.Desorption process is run later, and electrode is reversely connected in electrode assembly, and stripping liquid is promoted to by elevator pump
Capacitive adsorption device, design flow of inlet water are 0.2 ~ 0.5mL/s, and the regeneration of electrode material can be realized after circular treatment 1h.
Embodiment 2:
The processing of certain sewage treatment plant tail water.Total phosphorus concentration be 0.4 ~ 1.0mg/L, pH be 6.8 ~ 8.2, clamping voltage be 3.2 ~
3.6V, waste water design discharge are 0.8 ~ 1.2mL/s.Activated carbon electrodes are provided with 35 pieces of electrodes, every block of electricity in capacitive adsorption device
Very effective area is 1m2, electrode material prepares anode using the modified active carbon+carbon nanotube+polytetrafluoroethylene (PTFE) of hydrogen peroxide,
Cathode is graphite plate, and pole plate spacing is 4mm in capacitive adsorption device, after tail water stops 4 ~ 5h in capacitive adsorption device, total phosphorus
Water outlet is 0.05 ~ 0.1 mg/L, and treated tail water is up to IV class standard in " water environment quality standard ".Operation solution later
Suction sequence, electrode reversal connection in electrode assembly, stripping liquid are promoted to capacitive adsorption device by elevator pump, design flow of inlet water and are
The regeneration of electrode material can be realized after 0.3 ~ 0.6mL/s, circular treatment 2h.It desorbs 20 times repeatedly, stripping liquid reaches certain dense
Recycling is used as phosphate fertilizer after carrying out respective handling after degree.Electrode material is prepared compared to active carbon before modified to remove total phosphorus 40%
Remove, the electrode material of modified active carbon preparation in same time to the removal of total phosphorus up to 82.5%, removal rate improves one
Times.
Claims (5)
1. capacitive adsorption device, it is characterised in that: including shell and the sliding rail being set on shell, be provided with multiple edges in shell
The anode plate and cathode plate of sliding rail extending direction alternate intervals setting, are slidably fitted with and the anode plate and cathode plate on sliding rail
One-to-one sliding block, the anode plate and cathode plate are fixedly connected with corresponding sliding block.
2. capacitive adsorption device according to claim 1, it is characterised in that: the anode plate and cathode plate include stone
Black plate and the electrode material of the two-sided or single side filling in graphite plate.
3. capacitive adsorption device according to claim 1, it is characterised in that: by stretching between adjacent anode plate and cathode plate
The connection of contracting bar.
4. capacitive adsorption device according to claim 1, it is characterised in that: be provided with scale on the sliding rail.
5. capacitive adsorption device according to claim 1, it is characterised in that: further include PLC controller and being loaded with desorption
Liquidometer and on-line computing model are provided in the conditioning tank B of liquid, conditioning tank B, the discharge outlet of shell passes through piping connection conditioning tank B
Water inlet, and motor-driven valve G is provided between discharge outlet and conditioning tank B on pipeline, the water outlet of conditioning tank B passes through elevator pump B
The water inlet for connecting shell, and is provided with motor-driven valve B on pipeline between conditioning tank B water outlet and elevator pump B, elevator pump B with into
Be provided with motor-driven valve D and flowmeter B between the mouth of a river on pipeline, anode plate, cathode plate, liquidometer, on-line computing model, motor-driven valve G,
Elevator pump B, motor-driven valve B, motor-driven valve D and flowmeter B are electrically connected with PLC controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957565.2U CN208545167U (en) | 2018-06-21 | 2018-06-21 | Capacitive adsorption device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820957565.2U CN208545167U (en) | 2018-06-21 | 2018-06-21 | Capacitive adsorption device |
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| Publication Number | Publication Date |
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| CN208545167U true CN208545167U (en) | 2019-02-26 |
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ID=65422968
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| CN201820957565.2U Active CN208545167U (en) | 2018-06-21 | 2018-06-21 | Capacitive adsorption device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439812A (en) * | 2020-06-17 | 2020-07-24 | 山东龙安泰环保科技有限公司 | Electrochemical water treatment device with electrode spacing regulation and control function |
| CN113754032A (en) * | 2021-08-25 | 2021-12-07 | 同济大学 | Ferrocene modified polyaniline/carbon nanotube composite electrode capable of selectively removing phosphate ions and preparation method and application thereof |
-
2018
- 2018-06-21 CN CN201820957565.2U patent/CN208545167U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439812A (en) * | 2020-06-17 | 2020-07-24 | 山东龙安泰环保科技有限公司 | Electrochemical water treatment device with electrode spacing regulation and control function |
| CN113754032A (en) * | 2021-08-25 | 2021-12-07 | 同济大学 | Ferrocene modified polyaniline/carbon nanotube composite electrode capable of selectively removing phosphate ions and preparation method and application thereof |
| CN113754032B (en) * | 2021-08-25 | 2022-06-21 | 同济大学 | Ferrocene modified polyaniline/carbon nanotube composite electrode for selectively removing phosphate ions and preparation method and application thereof |
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