CN106746447A - A kind of apparatus for electrodewatering based on mud transport pipeline - Google Patents
A kind of apparatus for electrodewatering based on mud transport pipeline Download PDFInfo
- Publication number
- CN106746447A CN106746447A CN201611086761.9A CN201611086761A CN106746447A CN 106746447 A CN106746447 A CN 106746447A CN 201611086761 A CN201611086761 A CN 201611086761A CN 106746447 A CN106746447 A CN 106746447A
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- China
- Prior art keywords
- electrode
- electrodewatering
- collection unit
- water collection
- transport pipeline
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of apparatus for electrodewatering based on mud transport pipeline, including the cathode electrode, Water collection unit and the anode electrode that are sequentially connected, first electrode net is provided between the cathode electrode and the side of Water collection unit, second electrode net is provided between the opposite side and anode electrode of Water collection unit, the Water collection unit is internally provided between catchmenting, one end sealing being connected with anode electrode between catchmenting, an other end that catchments be between catchment with the filter cloth between first electrode net.The apparatus for electrodewatering for being based on mud transport pipeline is realized and carries out electric dehydration to the mud flowed in pipeline, alleviates the dependence to place in dehydration, saves dewatering time；Dewatering efficiency is high, compared to conventional dehydration technique, enhances the removal to the combination water in mud.The apparatus structure is simple, and its critical piece is detachable, has preferable compatibility with existing equipment, beneficial to production application.
Description
Technical field
The present invention relates to mud dehydration plant, and in particular to the electricity of flowable state mud takes off in a kind of transport pipeline based on mud
Water installations.
Background technology
Mud refers to be deposited in hydrostatic or slow flowing water environment, being formed through physical chemistry and biological chemistry action,
Unconsolidated weak particulate or superfine particle soil.Processing method in industry to mud mainly takes the mode of heap mud, typically
It is natural air drying, but the method floor space is big, and dewatering time is long, is also easy to produce secondary pollution, and dehydrating effect is also not satisfactory.
Solid material, due to there is the effect such as ionization or ionic adsorption, makes its table on the interface being in contact with polar water
Face carries positive electricity or negative electricity.Charging point forms electric double layer with the counter ion in liquid.In the presence of electric field, in diffusion layer
Counter ion carry moisture to electrode movement, form electro-osmosis phenomenon.Dividing for solidliquid mixture can be realized using electro-osmosis phenomenon
From especially for colloid material, mechanical dehydration method effect on driving birds is not good, and electroosmotic dewatering technology has preferably dehydration effect
Really.
The electric dehydration technology for having developed at present is typically with vertical electric field carries out electric dehydration to mud, on positive plate
Side applies pressure, forms pressurization electric dehydration process.But the mud for being in the duct flowable state carries out the research base of electric dehydration
This is in space state.Electric dehydration is carried out by the mud during flowing, it is possible to reduce the step of sludge dewatering and the time,
Unnecessary place spending is reduced, the optimization of disposal benefit purpose is realized.
The content of the invention
Goal of the invention：For the problem that prior art is present, the present invention provides a kind of electricity based on mud transport pipeline and takes off
Water installations, the apparatus for electrodewatering is realized carries out electric dehydration to the mud flowed in pipeline, alleviates in dehydration to place
Dependence, save dewatering time.
Technical scheme：To achieve these goals, a kind of electric dehydration based on mud transport pipeline is filled as described herein
Put, including cathode electrode, Water collection unit and the anode electrode being sequentially connected, between the cathode electrode and the side of Water collection unit
First electrode net is provided with, second electrode net, the Water collection unit are provided between the opposite side and anode electrode of Water collection unit
It is internally provided between catchmenting, the sealing of one end for being connected with anode electrode between catchmenting, an other end that catchments is with the between catchment
Filter cloth between one electrode network.
Further, the filter cloth and between catchmenting between be provided with poroid supporting plate, filter cloth is fixed in poroid supporting plate.
It is to increase the mechanical strength of filter cloth to set poroid supporting plate.
The filter cloth and poroid supporting plate are annular shape, and its angle between central axis be 10 °~
90°.In order to the lift for reducing sludge pump can change itself and pipeline center by changing different filter cloth and poroid supporting plate
Angle between axis is so as to realize reducing the purpose of present apparatus local head loss.This dress on other every segment pipe junctions
Put and installed in this way successively and the distance of each pipeline section is comprehensively determined according to actual electric dehydration efficiency and dehydration rate.
The filter cloth is yarn or synthesising mesoporous material, and poroid supporting plate is hard material, and both of which is detachable, and all has
There is certain mechanical strength.
Further, the first electrode net and second electrode are cased with the first seal washer and the second sealing gasket respectively on the net
Circle.Encapsulated coil is for insulative water-proof material is its purpose is to fixed electrode net and prevents water during pump pressure from flange
Junction ooze out.
Preformed hole is both provided with first seal washer and the second seal washer and facilitates the first electric wire and the second electric wire
It is connected with first electrode net and second electrode net respectively.Electric wire with provide 10~100V voltages external power supply negative and positive pole phase
Even.
The first electrode net and second electrode net are stainless steel stainless steel, synthesis metal, graphite or other conductive materials.
The bottom of the Water collection unit is provided with discharge outlet；Discharge outlet is provided with the required interface that is connected with vavuum pump；Pass through
Connection vavuum pump improves dehydration rate using the negative-pressure ward effect of pump.
First flange disk is provided with the cathode electrode, Water collection unit two ends are respectively arranged with second flange disk and the 3rd
Ring flange, is provided with the 4th ring flange on anode electrode；Cathode electrode passes through first flange disk and second flange with Water collection unit
Disk is connected, and Water collection unit is connected with anode electrode by the 3rd ring flange and the 4th ring flange.
Further, the first insulating barrier and the second insulation are respectively arranged with inside the first flange disk and the 4th ring flange
Layer, the effect of insulating barrier is to prevent the electric current on electrode from passing to mud conveying pipeline.
Operation principle：The side that apparatus for electrodewatering of the present invention based on mud transport pipeline is conveyed along mud transport pipeline
To the junction for being connected to every segment pipe two ends.When taking out mud, will contain water slurry using sludge pump and extract out and be input into pipeline, in mud
Acted on by per segment pipe two ends positive and negative electrode with reference to water and Free water, deviate from and along mud flowing and electric field action
Direction, pass sequentially through the filter cloth in first electrode net and Water collection unit in cathode electrode and poroid supporting plate and enter and catchment
Between, finally discharged by the discharge outlet of Water collection unit bottom under gravity.The mud of transport passes through under the pressure of sludge pump
It is connected to the passage in the middle of the first electrode net of negative and positive electricity and second electrode net and Water collection unit and flows into next segment pipe；Aqueous silt
Mud constantly experiences electric dehydration process in every segment pipe, is finally reached expected dehydration target and discharge line.
Beneficial effect：Compared with prior art, the invention has the advantages that：1st, the present invention is realized to being flowed in pipeline
Mud carry out electric dehydration, alleviate the dependence to place in dehydration, save dewatering time.2nd, dewatering efficiency of the present invention
Height, compared to conventional dehydration technique, enhances the removal to the combination water in mud.3rd, simple structure of the present invention, its main portion
Part is detachable, has preferable compatibility with existing equipment, beneficial to production application.
Brief description of the drawings
Fig. 1 is apparatus for electrodewatering structural representation of the present invention based on mud transport pipeline；
Fig. 2 is cathode electrode structural representation in apparatus for electrodewatering of the present invention based on mud transport pipeline；
Fig. 3 is Water collection unit structural representation in apparatus for electrodewatering of the present invention based on mud transport pipeline；
Fig. 4 is apparatus for electrodewatering Anodic electrode structure schematic diagram of the present invention based on mud transport pipeline；
Fig. 5 is filter cloth and poroid supporting plate and pipeline center's axle in apparatus for electrodewatering of the present invention based on mud transport pipeline
Wire clamp angle schematic diagram.
Specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
As shown in Figures 1 to 4, before taking out mud, along mud transport pipeline convey direction every segment pipe two ends junction
Apparatus for electrodewatering based on mud transport pipeline is installed, successively according to pipeline, the apparatus for electrodewatering based on mud transport pipeline, pipe
Road, the apparatus for electrodewatering based on mud transport pipeline, pipeline circulation connection, the position entered in first segment pipeline sludge has one
There is a negative electrode at positive electrode, the end of final section pipeline.Apparatus for electrodewatering based on mud transport pipeline includes connecting successively
Cathode electrode 1, Water collection unit 2 and the anode electrode 3 for connecing；First flange disk 14,2 liang of Water collection unit are provided with cathode electrode 1
End is respectively arranged with the ring flange 16 of second flange disk 15 and the 3rd, and the 4th ring flange 17 is provided with anode electrode 3；Cathode electrode
1 is connected with Water collection unit 2 by first flange disk 14 and second flange disk 15, and Water collection unit 2 passes through the 3rd with anode electrode 3
Ring flange 16 is connected with the 4th ring flange 17；The first insulation is respectively arranged with inside the ring flange 17 of first flange disk 14 and the 4th
The insulating barrier 19 of layer 18 and second.
First electrode net 4, opposite side and the sun of Water collection unit 2 are provided between the side of cathode electrode 1 and Water collection unit 2
Second electrode net 5 is provided between pole electrode 3.First electrode net 4 and second electrode net 5 be stainless steel, synthesis metal, graphite or
The first seal washer 9 and the second seal washer 10 are cased with other conductive materials, first electrode net 4 and second electrode net 5 respectively,
Seal washer is insulative water-proof material to fixed electrode net and prevents water from being oozed from the junction of flange during pump pressure
Go out；Preformed hole is both provided with first seal washer 9 and the second seal washer 10 and facilitates 12 points of the first electric wire 11 and the second electric wire
Be not connected with first electrode net 4 and second electrode net 5, the first electric wire 11 and the second electric wire 12 with 10~100V voltages are provided
The negative and positive of external power supply is extremely connected.
Water collection unit 2 is internally provided with 6 between catchmenting, the 6 one end sealing being connected with anode electrode 3 between catchmenting, and 6 is another between catchmenting
One end is the filter cloth 7 between 6 and first electrode net 4 between catchment；Filter cloth 7 and 6 between catchmenting between be also provided with it is poroid
Supporting plate 8, filter cloth 7 is fixed in poroid supporting plate 8, is reinforced by the connection of first flange 14 and second flange 15, material
Matter is respectively provided with certain mechanical strength for the poroid supporting plate 8 that the material filter cloth 7 and material of yarn or synthesising mesoporous material are hard material
And it is detachable, if filter cloth 7 mechanical strength of itself can meet dehydration needs, poroid supporting plate 8 can be disassembled
6 one end between allowing filter cloth 7 to be directly anchored to catchment.
As shown in figure 5, filter cloth 7 and poroid supporting plate 8 are circle shape part, and its folder between central axis
Angle is 10 °~90 °, and upper figure represents that filter cloth 7 and poroid supporting plate 8 are vertical with central axis in Fig. 5, and figure below represents filter cloth 7
It is at a certain angle with poroid supporting plate 8 and central axis, scope at 10 °~90 °, in order to the lift for reducing sludge pump can
To change its angle between central axis so as to realize subtracting by changing different filter cloth 7 and poroid supporting plate 8
Few present apparatus local head loss, the present apparatus on other every segment pipe junctions is installed in this way successively and each is managed
The distance of section is comprehensively determined according to actual electric dehydration efficiency and dehydration rate.After each section apparatus connection is finished, by external electricity
Source is connected on first electrode net 4 and second electrode net 5 by the first electric wire 11 and the second electric wire 12, and is carried out before mud is taken out
Check, it is ensured that the both positive and negative polarity of external power supply is connected on 1 on the anode electrode 3 of device and cathode electrode respectively.
When taking out mud, will contain water slurry using sludge pump and extract out and be input into pipeline, the combination water and Free water in mud will be received
To the effect of every segment pipe two ends positive and negative electrode, deviate from and along mud flowing and the direction of electric field action, pass sequentially through the moon
Filter cloth 7 in first electrode net 4 and Water collection unit 2 and poroid supporting plate 8 in pole electrode 1 enter catchment between 6, finally in weight
Discharged by the discharge outlet 13 of the bottom of Water collection unit 2 under power effect, can connected at discharge outlet 13 to improve dewatering efficiency in addition
Vavuum pump is connect, acts on improving dehydration rate by the negative-pressure ward of vavuum pump.The mud for wherein transporting is under the pressure of sludge pump
Next section of pipe is flowed into by being connected to the passage in the middle of the first electrode net 4 of negative and positive electricity and second electrode net 5 and Water collection unit 2
Road.Electric dehydration process is constantly experienced in every segment pipe containing water slurry, expected dehydration target and discharge line is finally reached.Equipment
After operation a period of time, the apparatus for electrodewatering based on mud transport pipeline to each pipeline junction is checked, is changed in time
Electrode network and filter cloth, in order to avoid the effect of influence dehydration.
Claims (10)
1. a kind of apparatus for electrodewatering based on mud transport pipeline, it is characterised in that including be sequentially connected cathode electrode (1),
Water collection unit (2) and anode electrode (3), first electrode is provided between the cathode electrode (1) and the side of Water collection unit (2)
Net (4), is provided with second electrode net (5), the Water collection unit (2) between the opposite side and anode electrode (3) of Water collection unit (2)
(6) are internally provided between catchmenting, one end sealing that (6) are connected with anode electrode (3) between catchmenting, (6) other end is position between catchmenting
Filter cloth (7) between (6) between catchmenting and first electrode net (4).
2. the apparatus for electrodewatering based on mud transport pipeline according to claim 1, it is characterised in that the filter cloth (7)
Poroid supporting plate (8) is provided between (6) between catchmenting, filter cloth (7) is fixed in poroid supporting plate (8).
3. the apparatus for electrodewatering based on mud transport pipeline according to claim 2, it is characterised in that the filter cloth (7)
Annular shape is with poroid supporting plate (8), and its angle between central axis is 10 °~90 °.
4. the apparatus for electrodewatering based on mud transport pipeline according to claim 2, it is characterised in that the filter cloth (7)
It is yarn or synthesising mesoporous material, poroid supporting plate (8) is hard material, and both of which is detachable.
5. the apparatus for electrodewatering based on mud transport pipeline according to claim 1, it is characterised in that the first electrode
The first seal washer (9) and the second seal washer (10) are cased with net (4) and second electrode net (5) respectively.
6. the apparatus for electrodewatering based on mud transport pipeline according to claim 1, it is characterised in that first sealing
Be both provided with packing ring (9) and the second seal washer (10) preformed hole facilitate the first electric wire (11) and the second electric wire (12) respectively with
First electrode net (4) is connected with second electrode net (5).
7. the apparatus for electrodewatering based on mud transport pipeline according to claim 1, it is characterised in that the first electrode
Net (4) and second electrode net (5) are stainless steel, synthesis metal or graphite.
8. the apparatus for electrodewatering based on mud transport pipeline according to claim 1, it is characterised in that the Water collection unit
(2) bottom is provided with discharge outlet (13).
9. the apparatus for electrodewatering based on mud transport pipeline according to claim 1, it is characterised in that the cathode electrode
(1) first flange disk (14) is provided with, Water collection unit (2) two ends are respectively arranged with second flange disk (15) and the 3rd ring flange
(16), it is provided with the 4th ring flange (17) on anode electrode (3)；Cathode electrode (1) is with Water collection unit (2) by first flange disk
(14) it is connected with second flange disk (15), Water collection unit (2) is with anode electrode (3) by the 3rd ring flange (16) and the 4th method
Blue disk (17) is connected.
10. the apparatus for electrodewatering based on mud transport pipeline according to claim 1, it is characterised in that first method
The first insulating barrier (18) and the second insulating barrier (19) are respectively arranged with inside blue disk (14) and the 4th ring flange (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086761.9A CN106746447B (en) | 2016-12-01 | 2016-12-01 | Electric dehydration device based on silt transportation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086761.9A CN106746447B (en) | 2016-12-01 | 2016-12-01 | Electric dehydration device based on silt transportation pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106746447A true CN106746447A (en) | 2017-05-31 |
| CN106746447B CN106746447B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086761.9A Active CN106746447B (en) | 2016-12-01 | 2016-12-01 | Electric dehydration device based on silt transportation pipeline |
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| Country | Link |
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| CN (1) | CN106746447B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095742A (en) * | 2018-08-23 | 2018-12-28 | 河海大学 | A kind of river and lake silt efficient dehydration system and its dewatering |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105859103A (en) * | 2016-06-21 | 2016-08-17 | 饶宾期 | Sewage sludge dehydrating device based on electroosmosis and mechanical pressure filtration coupling |
-
2016
- 2016-12-01 CN CN201611086761.9A patent/CN106746447B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105859103A (en) * | 2016-06-21 | 2016-08-17 | 饶宾期 | Sewage sludge dehydrating device based on electroosmosis and mechanical pressure filtration coupling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095742A (en) * | 2018-08-23 | 2018-12-28 | 河海大学 | A kind of river and lake silt efficient dehydration system and its dewatering |
| CN109095742B (en) * | 2018-08-23 | 2021-01-12 | 河海大学 | Efficient dewatering system and method for river and lake sludge |
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| Publication number | Publication date |
|---|---|
| CN106746447B (en) | 2020-12-25 |
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