CN208814872U - A kind of electro-osmosis mud drying device - Google Patents
A kind of electro-osmosis mud drying device Download PDFInfo
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- CN208814872U CN208814872U CN201821202721.0U CN201821202721U CN208814872U CN 208814872 U CN208814872 U CN 208814872U CN 201821202721 U CN201821202721 U CN 201821202721U CN 208814872 U CN208814872 U CN 208814872U
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Abstract
The utility model provides a kind of electro-osmosis mud drying device, comprising: electro-osmosis power supply；Shaftless screw structure, for conveying sludge；The inside of shaftless screw structure is arranged in fixed steel pipe, and fixed steel pipe is connect with the anode of electro-osmosis power supply, the anode as electro-osmosis mud drying device；With several filter cylinders, the outside of shaftless screw structure is set, and filter cylinder includes strainer and the flange for connecting several filter cylinders, and filter cylinder is connect with the cathode of electro-osmosis power supply, the cathode as electro-osmosis mud drying device.Electro-osmosis mud drying device according to the present utility model, sludge is conveyed using shaftless screw structure, the moisture in sludge is removed by way of electro-osmosis, fixed steel pipe is as anode, filter cylinder is as cathode, moisture after connecting electro-osmosis power supply in sludge converges to the strainer removing of cathode filter cylinder, does not need addition medicament and does not also need extra heat source, solves the problems, such as to need the heat sources such as steam, hot water, natural gas.
Description
Technical field
The utility model relates to technical field of sludge treatment, in particular to a kind of electro-osmosis mud drying device.
Background technique
Sludge high-moisture percentage is to restrict the bottleneck of specific resistance to filtration, and the high sludge of moisture content is not only bulky, and
And contained a large amount of organic matters, heavy metal and harmful microorganism, it is easy corruption or can be discharged into environment, cause secondary pollution, it is right
It is all adversely affected in the subsequent landfill of sludge, burning, resource utilization etc..Therefore, deeply dehydrating sludge minimizing is
The primary and foremost purpose of Treatment of Sludge, sludge is more dry, and subsequent processing disposition is more advantageous.After mechanical dehydration, moisture content is still up to sludge
70%-85% or so, the existence form of this partial moisture mainly adsorb water and combine water, remove relative difficulty, need to make
It is removed with the methods of physical chemistry or biological treatment.
Currently, main sludge drying technique has electro-osmosis method, plate compression method, steam desiccation method, hot water desiccation method, too
Positive energy sludge drying method, natural gas desiccation method and furnace flue gas waste heat sludge drying method.Wherein solar energy sludge drying method is taken up an area
Area is big, is affected by local climate, is not suitable for short area of moist rainy solarization time, and usually also need to assist heat
Source, for certain sludge there may be smell problem, operating environment is poor.High-efficient, the heat source of furnace flue gas waste heat sludge drying method
Convenient sources, but the device is complicated, take up a large area and once invests very high, and operating environment is general.Remaining drying technique energy consumption
It is higher, and need additional heat source (steam, hot water, natural gas).
Electro-osmosis method, which is utilized, applies voltage generation electric field in anode and cathode, negatively charged in sludge under the action of electric field
The sludge wadding body of the lotus Ghandler motion that can face south is dynamic, and moisture is because have part positive charge, under the driving of electric field simultaneously to movable cathode
Cathode is converged in, the moisture of cathode convergence can achieve the purpose that make moisture percentage in sewage sludge reduction after sloughing, simultaneously as electric osmose penetrates
The movement of charged particle, which can also generate heat, in the generation of journey electric current i.e. sludge makes sludge heat up, to further remove water
Point.Current existing electro-osmosis method is filter-press type dehydration, based on electro-osmosis plate compression and electro-osmosis belt filters pressing, is needed
To apply pressure to sludge can be only achieved ideal dehydrating effect, and its structure is complicated, and operation difficulty is big, in conjunction with belt filters pressing
Electroosmotic dewatering mode takes up a large area, the small disadvantage of equipment treating capacity there is also processing energy consumption height.
Therefore, it is necessary to provide a kind of new electro-osmosis mud drying device, to solve the above technical problems.
Utility model content
A series of concept of reduced forms is introduced in utility model content part, this will be in specific embodiment part
Middle further description.The utility model content part of the utility model is not meant to attempt to limit claimed
Technical solution key feature and essential features, do not mean that the guarantor for attempting to determine technical solution claimed more
Protect range.
For current deficiency, the utility model provides a kind of electro-osmosis mud drying device, comprising: electro-osmosis power supply；
Shaftless screw structure, for conveying sludge；Fixed steel pipe, is arranged in the inside of the shaftless screw structure, and the fixation
Steel pipe is connect with the anode of the electro-osmosis power supply, the anode as the electro-osmosis mud drying device；With several filter cylinders,
The outside of the shaftless screw structure is set, the filter cylinder includes the flange of several filter cylinders of strainer and connection, and
The filter cylinder is connect with the cathode of the electro-osmosis power supply, the cathode as the electro-osmosis mud drying device.
It further, further include the mud extraction shaft end that the mud outlet end of the shaftless screw structure is set, the fixed steel pipe is logical
The mud extraction shaft end is crossed to connect with the anode of the electro-osmosis power supply.
Further, several described filter cylinders are connected from the cathode of the different electro-osmosis power supplys respectively.
Further, gap is equipped between the shaftless screw structure and the filter cylinder.
Further, the material of the shaftless screw structure uses insulating materials.
Further, the flange includes insulating flange.
Further, further include drive mechanism for being driven the shaftless screw structure.
It further, further include that the mud inlet at the top of one end of the filter cylinder is set and the another of the filter cylinder is set
The mud mouth of the lower part at end.
Further, the filter cylinder further includes the support construction for supporting the strainer, and the strainer is arranged in the filter
On the barrel of cylinder.
It further, further include the insulation spacer being arranged between the filter cylinder and the mud extraction shaft end.
In conclusion electro-osmosis mud drying device according to the present utility model, using shaftless screw structure to sludge into
Row conveying removes the moisture in sludge by way of electro-osmosis, and fixed steel pipe as anode, fill out as cathode, centre by filter cylinder
Closed circuit is constituted after filling sludge, the strainer that moisture after connecting electro-osmosis power supply in sludge gradually converges to cathode filter cylinder is de-
It removes, does not need addition medicament and also do not need extra heat source, solve the problems, such as to need the heat sources such as steam, hot water, natural gas；Simultaneously
Shaftless screw structure also has the stirring action to sludge during conveying sludge, avoids because close to the fixed steel pipe of anode
The desiccation degree of the sludge of side is higher and resistance is caused to increase, and reduces the efficiency of electroosmotic dewatering；And shaftless screw structure
The sludge that can will be close to anode fixed steel pipe during conveying sludge scrapes, and is transported to mud outlet end, avoids sludge in sun
Caking phenomenon occurs on extremely fixed steel pipe；Equipment is improved without applying pressure to sludge during sludge dewatering simultaneously
Service life, realize low energy consumption, efficient sludge drying.
Detailed description of the invention
The following drawings of the utility model is used to understand the utility model in this as a part of the utility model.Attached drawing
In show the embodiments of the present invention and its description, for explaining the principles of the present invention.
In attached drawing:
Fig. 1 is the structural schematic diagram of the electro-osmosis mud drying device of the utility model embodiment.
Description of symbols:
100, electro-osmosis mud drying device 101, shaftless screw structure
102, be sequentially connected axis 103, filter cylinder
104, mud inlet 105, mud mouth
106, fixed steel pipe 107, mud inlet end connecting flange
108, auger drive flange 109, mud extraction shaft end
110, insulation spacer
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It is, however, obvious to a person skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, specific embodiment will be proposed in following description, to illustrate this
Utility model how to improve presently, there are the problem of.Obviously, the execution of the utility model is not limited to those skilled in the art
The specific details that member is familiar with.The preferred embodiment of the utility model is described in detail as follows, however other than these detailed descriptions,
The utility model can also have other embodiments.
It should be understood that when the term " comprising " and/or " including " is used in this specification, indicating described in presence
Feature, entirety, step, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety,
Step, operation, element, component and/or their combination.
Current existing electro-osmosis method is filter-press type dehydration, is with electro-osmosis plate compression and electro-osmosis belt filters pressing
It is main, it needs to can be only achieved ideal dehydrating effect to sludge application pressure, its structure is complicated, and operation difficulty is big, while filters pressing room
Interior sludge drying can also have the non-uniform phenomenon of desiccation degree, and the sludge drying degree close to cathode is poor, close to anode
Sludge drying degree it is higher, resistance with higher is to reduce the efficiency of electro-osmosis.Electro-osmosis in conjunction with belt filters pressing
Dewatering type takes up a large area, the small disadvantage of equipment treating capacity there is also processing energy consumption height.
Electro-osmosis method is to carry out desiccation to sludge based on sludge double electrode layer theory, and sludge double electrode layer theory is stably dispersing reason
By, it is believed that any not jljl is in contact all can be in two alternate generation potentials.Sheath is by electrostatic interaction, by charge different in solution
Ion be attracted to around colloid, the ion being attracted is known as counter ion, and therefore, two-phase respectively has superfluous charge, and electricity
Measure equal, opposite sign is attracted each other.In this way, just forming so-called electric double layer in the interphase interface region of glue core surrounding medium.
The functional group of negative electrical charge is had in the extracellular polymeric (EPS) on mud granule surface, containing sulfate radical, carboxyl etc. in order to balance this
A little charges, particle surface will adsorb some cations, cause with positive charge in partial moisture, this just constitutes the double of sludge
Electric layer system.
Exemplary embodiment
Fig. 1 shows a kind of structural schematic diagram of electro-osmosis mud drying device 100 of the embodiments of the present invention.Under
Face specifically describes the electro-osmosis mud drying device 100 referring to Fig.1.
As shown in Figure 1, the utility model provides a kind of electro-osmosis mud drying device 100, comprising: electro-osmosis power supply is (not
It shows)；Shaftless screw structure 101, for conveying sludge；Fixed steel pipe 106, is arranged in the shaftless screw structure 101
Portion, and the fixed steel pipe 106 is connect with the anode of the electro-osmosis power supply, as the electro-osmosis mud drying device
100 anode；With several filter cylinders 103, the outside of the shaftless screw structure 101 is set, the filter cylinder 103 includes strainer
With the flange for connecting several filter cylinders 103, and the filter cylinder 103 is connect with the cathode of the electro-osmosis power supply, as
The cathode of the electro-osmosis mud drying device 100.
Electro-osmosis mud drying device according to the present utility model, conveys sludge using shaftless screw structure 101,
The moisture in sludge is removed by way of electro-osmosis, fixed steel pipe 106 is used as anode, and filter cylinder 103 is used as cathode, central filler
Closed circuit is constituted after sludge, moisture after connecting electro-osmosis power supply in sludge gradually converges to the strainer of cathode filter cylinder 103
Removing does not need addition medicament and does not need extra heat source yet, solves the problems, such as to need the heat sources such as steam, hot water, natural gas；Together
When shaftless screw structure 101 also there is the stirring action to sludge during conveying sludge, avoid because consolidating close to anode
The desiccation degree for determining the sludge of 106 side of steel pipe is higher and resistance is caused to increase, and reduces the efficiency of electroosmotic dewatering；And it is shaftless
The sludge that helical structure 101 can will be close to anode fixed steel pipe 106 during conveying sludge scrapes, and is transported to mud extraction
End avoids sludge that caking phenomenon occurs on the fixed steel pipe 106 of anode；Simultaneously without being applied to sludge during sludge dewatering
Plus-pressure improves the service life of equipment, realizes low energy consumption, efficient sludge drying.
Specifically, several described filter cylinders 103 are connected from the cathode of the different electro-osmosis power supplys respectively, are adopted with reaching
The purpose of electro-osmosis is carried out with segmentation voltage.And the flange for connecting several filter cylinders 103 is insulating flange.Further
Ground, the filter cylinder 103 further includes the support construction for supporting the strainer, and the cylinder of the filter cylinder 103 is arranged in the strainer
On wall.
The electro-osmosis mud drying device 100 further include be arranged in the shaftless screw structure 101 mud outlet end go out
Mud shaft end 109, the fixed steel pipe 106 are connect by the mud extraction shaft end 109 with the anode of the electro-osmosis power supply.Further
Ground is equipped with gap, it is ensured that the shaftless screw structure 101 and described between the shaftless screw structure 101 and the filter cylinder 103
Filter cylinder 103 will not be in contact connection and cause to be seriously worn.
Further, as shown in Figure 1, the shaftless screw structure 101 is horizontally disposed, and the shaftless screw
The material of structure 101 uses insulating materials, to guarantee fixation steel pipe 106 of the conveying as anode and the filter cylinder 103 as cathode
Between can only to pass through sludge conductive.
The electro-osmosis mud drying device 100 further includes being arranged between the filter cylinder 103 and the mud extraction shaft end 109
Insulation spacer 110, to guarantee that the filter cylinder 103 of mud outlet end and the fixed steel pipe 106 are not connected to insulation, and the mud extraction
Shaft end 109 be connected to the fixed steel pipe 106 it is on-insulated, thus make the fixed steel pipe 106 by the mud extraction shaft end 109 with
The anode connection of the electro-osmosis power supply.Further, the mud extraction shaft end 109 is using the fixed filter cylinder 103 of flange and institute
State fixed steel pipe 106.
The electro-osmosis mud drying device 100 further includes the drive mechanism for being driven the shaftless screw structure 101,
The drive mechanism includes auger drive flange 108, transmission connection axis 102 and speed reducer (not shown).As shown in Figure 1, described
Transmission connection axis 102 is located at the center of the shaftless screw structure 101, and the auger drive flange 108 is located at the shaftless spiral shell
The mud inlet end of structure 101 and the outside of mud outlet end are revolved, the speed reducer is fixedly connected with the shaftless screw structure 101.
The electro-osmosis mud drying device 100 further includes the mud inlet that the top of one end of the filter cylinder 103 is arranged in
104 and be arranged in the filter cylinder 103 the other end lower part mud mouth 105.Specifically, the mud inlet 104 is located at described
The top of the mud inlet end of filter cylinder 103, the mud mouth 105 are located at the bottom of the mud outlet end of the filter cylinder.
Further, the fixed steel pipe 106 of mud inlet end is fixed using insulating sleeve.As shown in Figure 1, the electro-osmosis
Mud drying device 100 further includes the mud inlet end connecting flange 107 that the mud inlet end of the shaftless screw structure 101 is arranged in, institute
It states filter cylinder 103 to be fixedly connected with the mud inlet end connecting flange 107, to guarantee the steady of entire electro-osmosis mud drying device 100
It is fixed.
The working principle of the utility model is that the sludge that 100 front end of electro-osmosis mud drying device is arranged in is pre-
The moisture content of sludge is to be down to 75%-85% by 99% by processing equipment, is entered conveying through mud inlet 104 by sludge delivery pump and is led to
Road.Shaftless screw structure 101 makes sludge in electro-osmosis mud drying device 100 in the drive underdrive of motor and drive mechanism
It conveys in the axial direction, sludge realizes the dehydration of electro-osmosis during transportation, and dewatered sludge is from 105 row of mud mouth
Out.When electro-osmosis process, fixed steel pipe 106 are used as anode, 103 conduct of filter cylinder to sludge since after mud inlet 104 enters device
Cathode constitutes closed circuit after central filler sludge, and moisture after connecting electro-osmosis power supply in sludge gradually converges to cathode
The strainer of filter cylinder 103 removes.Sludge can generate accumulation between fixed steel pipe 106 and filter cylinder 103, due to the filter cylinder as cathode
Have the function of converging moisture, sludge here can moisture content with higher, but due to the stirring of shaftless screw structure 101 work
With will not influence the saturating dehydration of sludge electroosmotic.And shaftless screw structure 101 can incite somebody to action during conveying sludge
Sludge close to the fixed steel pipe 106 of anode scrapes, and is transported to mud outlet end, and sludge is avoided to tie on the fixed steel pipe 106 of anode
Block phenomenon, it is ensured that the conveying function of device and the normal operation of desiccation function.Simultaneously according to the moisture content of the sludge of charging and place
The difference of reason amount and to last desiccation degree require it is different can by control shaftless screw structure 101 transmission speed and
The voltage of electro-osmosis power supply is targetedly handled to realize.
In conclusion electro-osmosis mud drying device according to the present utility model, using shaftless screw structure to sludge into
Row conveying removes the moisture in sludge by way of electro-osmosis, and fixed steel pipe as anode, fill out as cathode, centre by filter cylinder
Closed circuit is constituted after filling sludge, the strainer that moisture after connecting electro-osmosis power supply in sludge gradually converges to cathode filter cylinder is de-
It removes, does not need addition medicament and also do not need extra heat source, solve the problems, such as to need the heat sources such as steam, hot water, natural gas；Simultaneously
Shaftless screw structure also has the stirring action to sludge during conveying sludge, avoids because close to the fixed steel pipe of anode
The desiccation degree of the sludge of side is higher and resistance is caused to increase, and reduces the efficiency of electroosmotic dewatering；And shaftless screw structure
The sludge that can will be close to anode fixed steel pipe during conveying sludge scrapes, and is transported to mud outlet end, avoids sludge in sun
Caking phenomenon occurs on extremely fixed steel pipe；Equipment is improved without applying pressure to sludge during sludge dewatering simultaneously
Service life, realize low energy consumption, efficient sludge drying；Sludge conveyer and electro-osmosis device are combined together,
With simple device structure, cost is relatively low, maintains easily, and is suitable for sludge drying of different nature；Meanwhile according to charging
The moisture content of sludge and the difference for the treatment of capacity and the difference required last desiccation degree can be by controlling shaftless screw knot
The transmission speed of structure and the voltage of electro-osmosis power supply are targetedly handled to realize.
The utility model is illustrated through the foregoing embodiment, but it is to be understood that, above-described embodiment is
Purpose for illustrating and illustrating, and be not intended to limit the invention within the scope of described embodiment.Furthermore ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, and introduction according to the present utility model is also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model range claimed with
It is interior.The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims (10)
1. a kind of electro-osmosis mud drying device characterized by comprising
Electro-osmosis power supply；
Shaftless screw structure, for conveying sludge；
The inside of the shaftless screw structure, and the fixed steel pipe and the electro-osmosis power supply is arranged in fixed steel pipe
Anode connection, the anode as the electro-osmosis mud drying device；With
Several filter cylinders, are arranged in the outside of the shaftless screw structure, and the filter cylinder includes strainer and connects described in several
The flange of filter cylinder, and the filter cylinder is connect with the cathode of the electro-osmosis power supply, as the electro-osmosis mud drying device
Cathode.
2. electro-osmosis mud drying device according to claim 1, which is characterized in that further include being arranged in the shaftless spiral shell
The mud extraction shaft end of the mud outlet end of structure is revolved, the fixed steel pipe is connected by the anode of the mud extraction shaft end and the electro-osmosis power supply
It connects.
3. electro-osmosis mud drying device according to claim 1, which is characterized in that several described filter cylinders are respectively and not
The cathode connection of the same electro-osmosis power supply.
4. electro-osmosis mud drying device according to claim 1, which is characterized in that the shaftless screw structure with it is described
Gap is equipped between filter cylinder.
5. electro-osmosis mud drying device according to claim 1, which is characterized in that the material of the shaftless screw structure
Using insulating materials.
6. electro-osmosis mud drying device according to claim 1, which is characterized in that the flange includes insulating flange.
7. electro-osmosis mud drying device according to claim 1, which is characterized in that further include described shaftless for being driven
The drive mechanism of helical structure.
8. electro-osmosis mud drying device according to claim 1, which is characterized in that further include that the filter cylinder is arranged in
The mud mouth of the mud inlet at the top of one end and the lower part for the other end that the filter cylinder is set.
9. electro-osmosis mud drying device according to claim 1, which is characterized in that the filter cylinder further includes described in support
The support construction of strainer, and the strainer is arranged on the barrel of the filter cylinder.
10. electro-osmosis mud drying device according to claim 2, which is characterized in that further include being arranged in the filter cylinder
Insulation spacer between the mud extraction shaft end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202721.0U CN208814872U (en) | 2018-07-26 | 2018-07-26 | A kind of electro-osmosis mud drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202721.0U CN208814872U (en) | 2018-07-26 | 2018-07-26 | A kind of electro-osmosis mud drying device |
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| Publication Number | Publication Date |
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| CN208814872U true CN208814872U (en) | 2019-05-03 |
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ID=66271806
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479548A (en) * | 2020-04-09 | 2021-03-12 | 蓝天众成环保工程有限公司 | Integrated treatment device for combined use of sludge drying and fluidized bed incineration |
-
2018
- 2018-07-26 CN CN201821202721.0U patent/CN208814872U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479548A (en) * | 2020-04-09 | 2021-03-12 | 蓝天众成环保工程有限公司 | Integrated treatment device for combined use of sludge drying and fluidized bed incineration |
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