CN106746469A - The mud dewatering method of press perpendicular joint electro-osmosis technology and realize equipment - Google Patents
The mud dewatering method of press perpendicular joint electro-osmosis technology and realize equipment Download PDFInfo
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- CN106746469A CN106746469A CN201710069249.1A CN201710069249A CN106746469A CN 106746469 A CN106746469 A CN 106746469A CN 201710069249 A CN201710069249 A CN 201710069249A CN 106746469 A CN106746469 A CN 106746469A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005370 electroosmosis Methods 0.000 title claims abstract description 20
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 239000010802 sludge Substances 0.000 claims abstract description 64
- 230000005684 electric field Effects 0.000 claims abstract description 18
- 230000005484 gravity Effects 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000018044 dehydration Effects 0.000 description 22
- 238000006297 dehydration reaction Methods 0.000 description 22
- 230000033228 biological regulation Effects 0.000 description 15
- 239000002699 waste material Substances 0.000 description 11
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/006—Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of press perpendicular joint electro-osmosis technology mud dewatering method and realize equipment.The present invention is sludge is in the electric field of press perpendicular, moisture in sludge flows out under the double action of pressure and electric field, pressure, electric field force are consistent with the direction of moisture content gravity, realize deeply dehydrating sludge, applications well of the press perpendicular joint electro-osmosis technology in terms of sludge dewatering is realized simple and easy to applyly, unexpected technique effect is obtained, dehydrating effect is good.Invention also provides a kind of equipment for realizing the inventive method, with pressure within the specific limits continuously adjustabe the characteristics of, simple structure is compact, easy to operate, and production efficiency is high, with low cost, easy care.
Description
Technical field
The present invention relates to sludge treatment device technical field, more particularly, to a kind of press perpendicular joint electro-osmosis skill
The mud dewatering method of art and realize equipment.
Background technology
With the increasing of China's waste water control dynamics, the sludge quantity of city domestic sewage treatment plant of China production drastically increases
Plus.According to Guangzhou Daily, Guangzhou in 2014 produces the sludge quantity that moisture content is 80% daily and is about 2700 tons.Current sludge passes through
Moisture content can only achieve 80% after sewage treatment plant's mechanical dehydration, and according to the existing standard regulation of country, carry out at Treatment of Sludge
The minimum requirements put is that moisture content is less than 65%.In order to reach standard, it is necessary to the further deep dehydration of sludge.
Current deep dehydration method mainly has：Mechanical dehydration, natural desiccation, heat drying and electroosmotic dewatering.But it is mechanical
Chemical conditioning can cause secondary pollution, physics conditioning and biological conditioning high cost, technical strong, natural drying and other treatment week in dehydration
Phase is long, and the energy consumption of heat drying is too high.Used as emerging deep dehydration method, electroosmotic dewatering is because dehydrating effect is good, low cost, nothing
The advantages of flocculant need to be added and there is larger development prospect.
But electro-osmosis technology dehydration energy single at present is still higher, combines other dehydration means and taken off while carrying out sludge
Water, is one of problem for being paid attention to and further investigate by scholar all the time.
The content of the invention
The technical problem to be solved in the present invention is directed to the technological deficiency of existing single electroosmotic dewatering technology high energy consumption,
And pressure can not continue controllable technological deficiency under existing pressure applying mode, there is provided a kind of press perpendicular joint electro-osmosis skill
The device for dehydrating sladge waste of art.
The purpose of the present invention is achieved by the following technical programs：
A kind of mud dewatering method of press perpendicular joint electro-osmosis technology is provided, is the electric field for making sludge be in press perpendicular
In, the moisture in sludge flows out under the double action of pressure and electric field, and pressure, electric field force are consistent with the direction of moisture content gravity,
Realize deeply dehydrating sludge.
Preferably, the electric field of the press perpendicular is to set anode and negative electrode from top to bottom, and mud cake is placed in anode and negative electrode
Between, the press perpendicular is to apply pressure to anode.
Preferably, the regulation of the pressure is realized by jack.It is further preferred that being provided with pressure on the positive plate
Power induction installation.
The pressure and voltage that the present invention applies can be adjusted by pressure applicator and external power supply.
The thickness of present invention treatment sludge is adjusted by the spacing between positive plate and minus plate.Further preferably
Ground, the adjustable range of the spacing at negative and positive the two poles of the earth is 0cm~3cm.
Preferably, the sludge is aqueous sludge cake.
Preferably, the optimal processing parameter of mud dewatering method of the present invention is combined as：The machinery of the press perpendicular
Pressure is 14.6~15.0kPa, the electro-osmosis time is 58.7~70.0min, voltage gradient is 15.1~16.1V/cm.
Preferably, under the conditions of above-mentioned optimal processing parameter, sludge thickness per treatment is 0.50cm.
Present invention simultaneously provides a kind of equipment for realizing the inventive method, including set from top to bottom pressure applicator,
Positive plate, minus plate, drainage system and water storage device, also including external power supply；The positive plate and minus plate connect outer respectively
Connect power supply；The positive plate and negative electrode plate level arranged opposite, positive plate is placed on minus plate, between positive plate and minus plate
Space constitute sludge-filled space（Filler groove）, the minus plate be provided with some holes for sludge moisture content flow out.
Preferably, present device also includes pressure display unit, and the pressure display unit connects pressure applicator.
Preferably, the space between the positive plate and minus plate is provided with filter cloth, further prevents little particle sludge from falling
Fall minus plate.It is further preferred that the filter cloth can be laid on minus plate.Filter cloth can be by moisture but retention mud granule
.
Preferably, the equipment also includes metering device, and the metering device connects water storage device, is used to measure sludge and takes off
Water.
Preferably, the drainage system is funnel.
Preferably, the metering device is electronic balance.
Preferably, the positive plate and minus plate use stainless steel flat plate.
The pressure and voltage that the present invention applies can be adjusted by pressure applicator and external power supply.On the positive plate
Pressure sensor can be housed.The pressure applicator preferably uses jack, and pressure applying is carried out using jack, compared to
Conventional weight pressure method, with pressure in certain limit it is continuous controllable the characteristics of.Further it is aided with the setting of pressure display unit,
Realize that effective control of pressure is implemented well.The connection method of external power supply and anode and negative electrode is with reference to existing conventional techniques.
The thickness of present invention treatment sludge is adjusted by the spacing between positive plate and minus plate.The positive plate and
Spacing between minus plate be can adjust, and the thickness of filling sludge can be changed by changing the die opening of negative and positive two, and adjustable range enters one
Step is preferably 0cm~3cm, but is not equal to zero, more preferably 0.1~3cm.
In the device for dehydrating sladge waste of press perpendicular joint electro-osmosis technology of the present invention, by positive plate and negative electrode plate level
Arranged opposite, positive plate is placed on minus plate, and produced electric field is vertical electric field, and is placed between positive plate and minus plate
Space in sludge（Mud cake）In water (flow) direction it is consistent；Pressure applicator is arranged on positive plate.Apparatus of the present invention
After energization, moisture is moved under pressure and the equidirectional double action of electric field to minus plate in sludge, by small on minus plate
Hole is flow in water storage device via drainage system, so as to realize deeply dehydrating sludge.Due to pressure, electric field force and water in the present invention
The direction of part gravity is consistent, can obtain preferable dehydrating effect.
Further, present invention also offers a kind of support, compact, scientifically integrated device of the present invention each portion
Part, forms complete unified integrated apparatus.
Preferably, the support is set to upper, middle and lower-ranking, and upper strata placement force display, middle level fixation pressure applies
Device, positive plate, minus plate；Drainage system is fixed by lower floor.
Further, the support includes two pieces of transverse slats and some montants, and the transverse slat and montant constitute three layers of upper, middle and lower
The supporting structure in space.
It is further preferred that described transverse slat uses plank, the montant to use metal material.
Beneficial effects of the present invention are as follows：
It is sludge is in press perpendicular the invention provides a kind of mud dewatering method of press perpendicular joint electro-osmosis technology
Electric field in, the moisture in sludge flows out under the double action of pressure and electric field, the direction of pressure, electric field force and moisture content gravity
Unanimously, deeply dehydrating sludge is realized, press perpendicular joint electro-osmosis technology is realized simple and easy to applyly in terms of sludge dewatering
Applications well.The mud dewatering method of described press perpendicular joint electro-osmosis technology, overcomes single electroosmotic dewatering process
Not tight, the technology hardly possible of resistance increase that the loss of middle moisture causes the reduction of sludge cake volume so that electroplax is fitted with mud cake
Topic, obtains unexpected technique effect, and dehydrating effect is good.
Invention also provides a kind of equipment for realizing the inventive method, with pressure continuously adjustabe within the specific limits
The characteristics of, simple structure is compact, easy to operate, and production efficiency is high, easy care with low cost.
Brief description of the drawings
Fig. 1 is device for dehydrating sladge waste structural representation of the present invention.
Fig. 2 is device for dehydrating sladge waste negative electrode plate structure schematic diagram of the present invention.
1. pressure display unit；2. external power supply；3. pressure applicator；4. positive plate；5. minus plate；6. drainage system（Drainage is leaked
Bucket）；7. water storage device and electronic balance；8. the hole on minus plate.
Specific embodiment
With reference to embodiment, the invention will be further described, unless stated otherwise, raw material and set that the present invention is used
Standby or method is the conventional raw material of the art and equipment or method.
Embodiment 1：
As shown in Figure 1, the present embodiment provides a kind of device for dehydrating sladge waste of press perpendicular joint electro-osmosis technology, including from upper
And the pressure applicator 3 of lower setting, positive plate 4, minus plate 5, drainage system 6 and water storage device 7, also including external power supply 2；Institute
State positive plate and minus plate and connect external power supply 2 respectively（Connected mode connects electrically with reference to existing power supply anode, negative electrode）；It is described
Positive plate 4 and the horizontal arranged opposite of minus plate 5, positive plate 4 is placed on minus plate 5, between the positive plate 4 and minus plate 5
Space be provided with some holes 8 for moisture content outflow in sludge as the position of filling out sludge, the minus plate 5 is put.The number of hole 8
Considered critical is not done in mesh and aperture, is adapted to moisture content outflow.
In the filter cloth of the mesh of 5 upper berth of negative electrode 300, the sludge of 1.5cm thickness is filled, regulation pressure applicator 3 makes anode 4 just
Touch sludge and not producing continue after pressure and adjust, the pressure value shown on pressure display unit 1 is caused respectively is 0kPa,
10kPa, 20kPa, 30kPa, connect additional power source 2, and regulation voltage gradient is 15V/cm, and power supply is closed after continuous energization 60min
2, cancel pressure.Current can be observed in galvanization to be flow in water storage beaker 7 along drainage funnel 6.Four groups of applying pressure
Under value, sludge moisture content size order after dehydration is 10kPa ＜ 20kPa ＜ 30kPa ＜ 0kPa, and dehydration energy size order is
0kPa ＞ 30kPa ＞ 20kPa ＞ 10kPa.
Embodiment 2：
Device for dehydrating sladge waste is with embodiment 1.The present embodiment fills the sludge of 1.5cm thickness in the filter cloth of the mesh of 5 upper berth of negative electrode 300,
Regulation pressure applicator 3 continues to adjust after anode 4 is just touched sludge and not producing pressure so that pressure display unit 1
Upper display pressure is 10kPa, switches on power 2, and regulation voltage gradient is 15V/cm, distinguish continuous energization 20min, 40min,
Power supply 2 is closed after 60min, 80min, cancels pressure.Can be observed there are current to flow to storage along drainage funnel 6 in galvanization
In water beaker 7.Under four groups of conduction times, sludge moisture content size order after dehydration is the min ＜ of 60 min ＜ of 80min ＜ 40
20 min, dehydration energy size order is 80min ＞ 60min ＞ 40min ＞ 20min.
Embodiment 3：
Device for dehydrating sladge waste structure is with embodiment 1.The present embodiment fills 1.5cm thickness in the filter cloth of the mesh of 5 upper berth of negative electrode 300
Sludge, regulation pressure applicator 3 continues to adjust after anode 4 is just touched sludge and not producing pressure so that pressure shows
Show and shown on device 1 pressure for 10kPa, switch on power 2, adjust respectively voltage gradient be 0V/cm, 5V/cm, 10V/cm, 15V/cm,
20V/cm, closes power supply 2 after continuous energization 60min, cancel pressure.Can be observed there are current to be leaked along drainage in galvanization
Bucket 6 is flow in water storage beaker 7.Under five groups of applied voltage Grad, sludge moisture content size order after dehydration is 0V/cm ＞
5V/cm ＞ 10V/cm ＞ 15V/cm ＞ 20V/cm, dehydration energy size order is 0V/cm ＜ 5V/cm ＜ 10V/cm ＜ 15V/cm
＜ 20V/cm.
Embodiment 4：
Device for dehydrating sladge waste structure is with embodiment 1.The present embodiment the mesh of 5 upper berth of negative electrode 300 filter cloth, respectively fill 0.75cm,
The sludge of 1.50cm, 2.25cm, 3.00cm thickness, regulation pressure applicator 3 makes anode 4 just touch sludge and not produce
Continue to adjust after pressure so that show pressure on pressure display unit 1 for 10kPa, switch on power 2, regulation voltage gradient is 15V/
Cm, closes power supply 2 after continuous energization 60min, cancel pressure.Can be observed there are current in galvanization along drainage funnel 6
It flow in water storage beaker 7.Under four groups of sludge thickness values, sludge moisture content size order after dehydration is 0.75cm ＜ 3.00cm ＜
2.25cm ＜ 1.50cm, dehydration energy size order is 3.00cm ＞ 2.25cm ＞ 1.50cm ＞ 0.75cm.
Embodiment 5：
Device for dehydrating sladge waste structure is with embodiment 1.The present embodiment fills 0.5cm thickness in the filter cloth of the mesh of 5 upper berth of negative electrode 300
Sludge, regulation pressure applicator 3 continues to adjust after anode 4 is just touched sludge and not producing pressure so that pressure shows
Show and shown on device 1 pressure for 14.6~15.0kPa, switch on power 2, regulation voltage gradient is 15.1~16.1V/cm, is continuously led to
Power supply 2 is closed after 58.7~70.0min of electricity, cancels pressure.Can be observed there are current to be flowed along drainage funnel 6 in galvanization
Into water storage beaker 7.Sludge moisture content after dehydration is 56.23%~57.01%, and dehydration energy is 0.116~0.120kWh/kg
Water.
Contrast test 1
Device for dehydrating sladge waste is with embodiment 1.The present embodiment fills the sludge of 0.5cm thickness in the filter cloth of the mesh of 5 upper berth of negative electrode 300,
Regulation pressure applicator 3 continues to adjust after anode 4 is just touched sludge and not producing pressure so that pressure display unit 1
Upper display pressure is 15kPa, switches on power 2, and regulation voltage gradient is 0V/cm, and power supply 2, cancellation are closed after continuous energization 60min
Pressure.Can be observed there are current to be flow in water storage beaker 7 along drainage funnel 6 in galvanization.Sludge is aqueous after dehydration
Rate is 83.24%, and dehydration energy is 0.000kWh/kg water.
Contrast test 2
Device for dehydrating sladge waste is with embodiment 1.The present embodiment fills the sludge of 0.5cm thickness in the filter cloth of the mesh of 5 upper berth of negative electrode 300,
Regulation pressure applicator 3 continues to adjust after anode 4 is just touched sludge and not producing pressure so that pressure display unit 1
The pressure value of upper display is 0kPa, connects additional power source 2, and regulation voltage gradient is 15V/cm, and electricity is closed after continuous energization 60min
Source 2, cancels pressure.Current can be observed in galvanization to be flow in water storage beaker 7 along drainage funnel 6.Sludge is through dehydration
Moisture content is 77.43% afterwards, and dehydration energy is 0.361kWh/kg water.
Claims (10)
1. a kind of mud dewatering method of press perpendicular joint electro-osmosis technology, it is characterised in that be make sludge be in it is vertical plus
In the electric field of pressure, the moisture in sludge flows out under the double action of pressure and electric field, the side of pressure, electric field force and moisture content gravity
To consistent, deeply dehydrating sludge is realized.
2. the mud dewatering method of press perpendicular joint electro-osmosis technology according to claim 1, it is characterised in that described to hang down
The electric field of straight pressurization is setting anode and negative electrode from top to bottom, and sludge is placed between anode and negative electrode, the press perpendicular be by
Pressure puts on anode；It is preferred that the pressure and voltage of the press perpendicular are adjusted by pressure applicator and external power supply.
3. the mud dewatering method of press perpendicular joint electro-osmosis technology according to claim 1, it is characterised in that the dirt
The thickness of mud is adjusted by the spacing between anode and negative electrode.
4. the mud dewatering method of press perpendicular joint electro-osmosis technology according to claim 3, it is characterised in that described the moon
The adjustable range of the spacing at positive the two poles of the earth is 0cm~3cm, is not equal to zero.
5. according to any one of Claims 1-4 press perpendicular joint electro-osmosis technology mud dewatering method, its feature exists
In the parameter combination of the mud dewatering method is：The mechanical pressure of the press perpendicular is 14.6~15.0kPa, electro-osmosis
Time be 58.7~70.0min, voltage gradient be 15.1~16.1V/cm；It is preferred that sludge thickness is 0.50cm.
6. a kind of equipment for realizing claim 1 to 5 any one methods described, it is characterised in that including what is set from top to bottom
Pressure applicator, positive plate, minus plate, drainage system and water storage device, also including external power supply；The positive plate and minus plate
External power supply is connected respectively；The positive plate and negative electrode plate level arranged opposite, positive plate are placed on minus plate, positive plate with
Space between minus plate constitutes sludge-filled space, and the minus plate is provided with some holes and is flowed out for sludge moisture content.
7. equipment according to claim 6, it is characterised in that the equipment includes pressure display unit, the pressure shows
Device connects pressure applicator；The equipment also includes pressure inductor, and the pressure inductor is arranged at positive plate.
8. equipment according to claim 6, it is characterised in that the space between the positive plate and minus plate is provided with filter
Cloth；It is preferred that the filter cloth is laid on minus plate, sludge is placed on filter cloth.
9. equipment according to claim 6, it is characterised in that the equipment also includes metering device, the metering device
Connection water storage device.
10. equipment according to claim 6, it is characterised in that the equipment also includes support, preferably described support is set
It is upper, middle and lower-ranking, upper strata placement force display, middle level fixation pressure applicator, positive plate, minus plate；Lower floor fixes and draws
Stream device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069249.1A CN106746469A (en) | 2017-02-08 | 2017-02-08 | The mud dewatering method of press perpendicular joint electro-osmosis technology and realize equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710069249.1A CN106746469A (en) | 2017-02-08 | 2017-02-08 | The mud dewatering method of press perpendicular joint electro-osmosis technology and realize equipment |
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| Publication Number | Publication Date |
|---|---|
| CN106746469A true CN106746469A (en) | 2017-05-31 |
Family
ID=58955427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710069249.1A Pending CN106746469A (en) | 2017-02-08 | 2017-02-08 | The mud dewatering method of press perpendicular joint electro-osmosis technology and realize equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423951A (en) * | 2018-03-23 | 2018-08-21 | 北京林业大学 | A kind of light electrolysis promotes the method and device of sludge free radical conditioning-pressure perpendicular electric field dehydration |
| CN108529835A (en) * | 2018-04-19 | 2018-09-14 | 东北大学 | A kind of device and method of employing periodic reverse electrocoagulation reinforcement sludge dehydration |
| 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 |
| CN110031534A (en) * | 2019-04-12 | 2019-07-19 | 上海同臣环保有限公司 | A kind of sludge electroosmotic is dehydrated shale evaluating apparatus and evaluating method thoroughly |
| CN110240388A (en) * | 2019-06-06 | 2019-09-17 | 河南工程学院 | Exchange electrode electro-osmosis sludge dewatering system and method based on voltage hierarchical detection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114315A (en) * | 1983-11-26 | 1985-06-20 | Shinko Fuaudoraa Kk | Dehydrating method of organic sludge |
| CN105923977A (en) * | 2016-06-21 | 2016-09-07 | 饶宾期 | Electroosmosis and pressure filtration coupled sewage sludge dehydrating device |
-
2017
- 2017-02-08 CN CN201710069249.1A patent/CN106746469A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114315A (en) * | 1983-11-26 | 1985-06-20 | Shinko Fuaudoraa Kk | Dehydrating method of organic sludge |
| CN105923977A (en) * | 2016-06-21 | 2016-09-07 | 饶宾期 | Electroosmosis and pressure filtration coupled sewage sludge dehydrating device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423951A (en) * | 2018-03-23 | 2018-08-21 | 北京林业大学 | A kind of light electrolysis promotes the method and device of sludge free radical conditioning-pressure perpendicular electric field dehydration |
| CN108529835A (en) * | 2018-04-19 | 2018-09-14 | 东北大学 | A kind of device and method of employing periodic reverse electrocoagulation reinforcement sludge dehydration |
| 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 |
| CN110031534A (en) * | 2019-04-12 | 2019-07-19 | 上海同臣环保有限公司 | A kind of sludge electroosmotic is dehydrated shale evaluating apparatus and evaluating method thoroughly |
| CN110240388A (en) * | 2019-06-06 | 2019-09-17 | 河南工程学院 | Exchange electrode electro-osmosis sludge dewatering system and method based on voltage hierarchical detection |
| CN110240388B (en) * | 2019-06-06 | 2023-09-12 | 河南工程学院 | Exchange electrode electroosmosis sludge dewatering system and method based on voltage grading detection |
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Application publication date: 20170531 |