CN107601796A - A kind of sludge treating system - Google Patents
A kind of sludge treating system Download PDFInfo
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- CN107601796A CN107601796A CN201711037458.4A CN201711037458A CN107601796A CN 107601796 A CN107601796 A CN 107601796A CN 201711037458 A CN201711037458 A CN 201711037458A CN 107601796 A CN107601796 A CN 107601796A
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- sludge
- pumping
- electrolysis
- electric flocculation
- filter press
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Abstract
The present invention provides a kind of pollutant disposal system, is related to pollutant process technical field.Wherein, the system includes：Sludge-tank, first pumping, electrolysis regulation bucket, second pumping, electric flocculation device and filter press, sludge-tank is connected by the first pumping with regulation bucket, for storing pending sludge, and pending sludge is input in electrolysis regulation bucket by the first pumping, electrolysis regulation bucket is connected by the second pumping with electric flocculation device, for adding chlorion electrolyte into pending sludge, and the pending sludge that will be electrolysed in regulation bucket by the second pumping is pumped into electric flocculation device, electric flocculation device, for being electrolysed using built-in iron or aluminium anodic-cathodic to pending sludge under conditions of current density is 50~400A, and the sludge after electrolysis is input to filter press, filter press, for being filtered to the sludge after electrolysis, obtain solid sludges and filtrate.The problem of being polluted system solves the problem mud discharging to environment.
Description
Technical field
The invention belongs to pollutant process technical field, more particularly to a kind of method for sludge treatment and system.
Background technology
With Chinese society economy and the development of urbanization, the generation of municipal sewage and sludge and its quantity are constantly increasing
It is long.The year two thousand twenty is expected, the municipal wastewater and sludge yield in China are up to 60,000,000 ton -9,000 ten thousand tons, and annual growth
More than 10%.
At present, the sewage in most of city and sludge are not all handled, and are directly discharged into environment, wherein, what sludge contained
A large amount of pollutants include pathogenic microorganism, parasitic ovum, nitrogen phosphorus, organic pollution, heavy metal and salinity, and dirt is caused to environment
Dye.
The content of the invention
The present invention provides a kind of sludge system, it is intended to solves the problems, such as that the directly discharge of existing sludge pollutes to environment.
A kind of sludge system provided by the invention, the system include：Sludge-tank, the first pumping, electrolysis regulation bucket, second
Pumping, electric flocculation device and filter press；
The sludge-tank is connected by first pumping with the regulation bucket, for storing pending sludge, and is led to
Cross first pumping pending sludge is input in the electrolysis regulation bucket；
The electrolysis regulation bucket is connected by second pumping with the electric flocculation device, for described pending
Chlorion electrolyte is added in sludge, and the electrolysis is adjusted by the pending sludge in bucket by second pumping and is pumped into
Into the electric flocculation device；
The electric flocculation device, for utilizing built-in iron or aluminium anodic-cathodic to be in current density to pending sludge
It is electrolysed under conditions of 50~400A, and the sludge after electrolysis is input to the filter press；
The filter press, for being filtered to the sludge after electrolysis, obtain sludge and the filtrate of solid.
Sludge treating system provided by the invention, on the one hand, by by pending sludge in electric flocculation device in electricity
Current density carries out electrolysis under conditions of being 50~400A can utilize oxidation caused by anode and cathode by pending sludge
Flocculate and colloid and the cell membrane of microorganism are broken, and on the other hand, hydroxide can have sludge caused by electrolysis
Good flocculation, and then pending sludge is formed the larger particle of particle diameter, it is easy to filter-press dehydration, reaches rupture of membranes, removes
Bacterium and the effect for the filter-press dehydration that flocculates, solve the problems, such as that mud discharging pollutes to environment well.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention.
Fig. 1 is a kind of structural representation for pollutant disposal system that first embodiment of the invention provides；
Fig. 2 is a kind of structural representation for pollutant disposal system that second embodiment of the invention provides.
Embodiment
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, and not all embodiments.Based on the embodiment in the present invention, people in the art
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the structural representation for the pollutant disposal system that first embodiment of the invention provides, Fig. 1 institutes
The pollutant disposal system shown mainly includes：Sludge-tank 101, the first pumping 102, electrolysis regulation bucket 103, the second pumping 104, electricity
Flocculation plant 105 and filter press 106.
Sludge-tank 101 is connected by the first pumping 102 with electrolysis regulation bucket 103, for storing pending sludge, and is led to
Cross the first pumping 102 the pending sludge is input in electrolysis regulation bucket 103.
The moisture content of pending mud is 90%~99%.Sludge-tank can be the storage cylinder body or cell body of all size.
Preferably, sludge-tank is with the cell body for stirring or walking device of air.
103 barrels of electrolysis regulation is connected by the second pumping 104 with electric flocculation device 105, for the pending sludge
Middle addition chlorion electrolyte, and the sludge after electrolysis is pumped into electric flocculation device 105 by the second pumping 104.
Specifically, electrolyte is the saline solutions or acid solution containing chlorion such as sodium chloride, potassium chloride.
Electric flocculation device 105, it is 50 in current density to the sludge being pumped into for utilizing built-in iron or aluminium anodic-cathodic
It is electrolysed under conditions of~400A, and the sludge after electrolysis is input to filter press 106.
Filter press 106, for being filtered to the sludge after electrolysis, obtain sludge and the filtrate of solid.
Sludge treating system provided by the invention, on the one hand, by the way that pending sludge is carried out in electric flocculation device
Electrolysis can utilize oxidation caused by anode and cathode by flocculate and colloid in pending sludge and the cell of microorganism
Wall is broken, and on the other hand, hydroxide can make sludge have good flocculation caused by electrolysis, and then make pending
Sludge forms the larger particle of particle diameter, is easy to filter-press dehydration, reaches rupture of membranes, degerming and flocculation filter-press dehydration effect, very well
Solve the problems, such as that mud discharging pollutes to environment.
Referring to Fig. 2, Fig. 2 is the structural representation for the pollutant disposal system that first embodiment of the invention provides, Fig. 2 institutes
The pollutant disposal system shown mainly includes：Sludge-tank 201, the first pumping 202, electrolysis regulation bucket 203, the second pumping 204, electricity
Flocculation plant 205, the 3rd pumping 206, the 4th pumping 207 and press filtration adjustment cylinder 208, filter press 209 and transferring cylinder 2010, its
In, electric flocculation device 205 includes：Cell body 215, power supply 225, electrode 235, portion's mud entrance 245, mud-scraping mechanism 255, attached cylinder 265,
It is aerated mechanism 275, cycling mechanism 285 and parameter monitor 295.Wherein,
Sludge-tank 201 is connected by the first pumping 202 with electrolysis regulation bucket 203, for storing pending sludge, and is led to
Cross the first pumping 202 the pending sludge is input in electrolysis regulation bucket 203.
The moisture content of pending mud is 90%~99%.Sludge-tank can be the storage cylinder body or cell body of all size.
Preferably, sludge-tank is with the cell body for stirring or walking device of air.
203 barrels of electrolysis regulation is connected by the second pumping 204 with electric flocculation device 205, for the pending sludge
Middle addition chlorion electrolyte, and the sludge after electrolysis is pumped into electric flocculation device 205 by the second pumping 204.
Specifically, electrolyte is the saline solutions or acid solution containing chlorion such as sodium chloride, potassium chloride.
Electric flocculation device 205, it is 50 in current density to the sludge being pumped into for utilizing built-in iron or aluminium anodic-cathodic
It is electrolysed under conditions of~400A, and the sludge after electrolysis is input to filter press 206.
Filter press 209, for being filtered to the sludge after electrolysis, obtain sludge and the filtrate of solid.
Specifically, filter press 209 is diaphragm filter press, high pressure spring filter press, high pressure obstruction filter press, plate compression
Machine.
Further, electric flocculation device 205 includes：Cell body 215, power supply 225, anodic-cathodic 235 and portion's mud entrance 245,
Wherein, power supply 225 and anodic-cathodic 235 are arranged inside cell body 215.
Cell body 215 is the container that the sludge carries out cell reaction.
Portion's mud entrance 245 is arranged at the bottom of cell body 215, for the entrance of the pending sludge.
Preferably, the position of portion's mud entrance 245 is arranged at the bottom of cell body, so when pending sludge can be from bottom
Position enters cell body 215, does not interfere with the reaction for the sludge being electrolysed, so as to ensure the lasting progress of reaction.
Power supply 225 is connected with anodic-cathodic 235, for providing current to anodic-cathodic 235.
Specifically, anodic-cathodic 235, for being electrolysed to the pending sludge.Wherein, anodic-cathodic 235 uses
The metal material of iron, aluminium or ferroaluminium class.In electrolytic process, current density can be arranged to 500~400A.Power supply
225 can select dc source or the pulse power.Sludge produces its oxide in the presence of electrochemical reaction, due to hydroxide
Thing carries electric charge, the sediment of small molecule can flock together, be advantageous to precipitate.
Further, electric flocculation device 205 also includes：Mud-scraping mechanism 255 and attached cylinder 265.
Mud-scraping mechanism 255 is arranged at the inwall of cell body 215, for after generation air supporting sludge during cell reaction, inciting somebody to action
Caused air supporting sludge scraping enters in attached cylinder 265.
Attached cylinder 265 is arranged at the side of cell body 215, to place the container of the air supporting sludge.
In practical application, substantial amounts of gas air supporting sludge can be produced during cell reaction occurs, when air supporting sludge
Sludge can be overflowed when enough, so as to influence continuing for reaction, air supporting sludge is scraped into attached cylinder using mud-scraping mechanism
In, it is ensured that the lasting progress of reaction.Further, the inwall of attached cylinder sets a pipeline, can be transported to air supporting sludge
Its exterior is further processed.
Further, electric flocculation device 205 also includes：It is aerated mechanism 275.
Mechanism 275 is aerated, for being passed through oxygen to the sludge for carrying out cell reaction.
After being passed through oxygen, the generation of cell reaction can be accelerated, furthermore it is possible to the material after electrolysis is further aoxidized,
Make it have more preferable oxidisability and flocculability.
Further, electric flocculation device 205 also includes：Cycling mechanism 285.
Cycling mechanism 285, the sludge agitation for will carry out cell reaction are uniform.
Sludge can constantly be stirred using cycling mechanism 285 during the course of the reaction, so that reaction is complete.
Further, electric flocculation device 205 also includes：Parameter monitor 295.
Parameter monitor 295, for showing output current and output voltage with coordination electrode 235, and carry and lead pole work(
The high frequency electric source or positive negative pulse stuffing power supply of energy.
Further, pollution treatment system also includes：3rd pumping 206, the 4th pumping 207 and press filtration adjustment cylinder 208.
Press filtration adjusts cylinder 208 by the 3rd pumping 206 respectively at being connected with electric flocculation device 205 and by the 4th pumping
207 are connected with filter press 209, for adding PAM, the sludge particle diameter after being electrolysed with adjustment.
Specifically, PAM is added in press filtration adjusts cylinder 208, with the particle diameter of sludge after further adjustment electrolysis, made it have
More preferable settleability and dehydration property, the sludge after processing is pumped into after filter press 209 to the organic matter and inorganic of can easily going out
The water of matter, farthest to separate water into.Wherein, PAM is polyacrylamide, as nonionic high polymer coagulant.
Specifically, the first pumping, the second pumping, the 3rd pumping and the 4th pumping are screw pump, resistance in the embodiment of the present invention
Fill in any of pump, centrifugal pump, membrane pump or impeller pump.
Further, pollution treatment system also includes：Transferring cylinder 2010.
Transferring cylinder 2010 is connected with filter press 209, for holding the liquid after press filtration.
Sludge treating system provided by the invention, on the one hand, by the way that pending sludge is carried out in electric flocculation device
Electrolysis can utilize oxidation caused by anode and cathode by flocculate and colloid in pending sludge and the cell of microorganism
Wall is broken, and on the other hand, hydroxide can make sludge have good flocculation caused by electrolysis, and then make pending
Sludge forms the larger particle of particle diameter, is easy to filter-press dehydration, reaches rupture of membranes, degerming and flocculation filter-press dehydration effect, very well
Solve the problems, such as that mud discharging pollutes to environment.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
It is above the description to sludge treating system provided by the present invention, for those skilled in the art, according to this
The thought of inventive embodiments, there will be changes in specific embodiments and applications, to sum up, this specification content is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of sludge treating system, it is characterised in that the system includes：Sludge-tank, the first pumping, electrolysis regulation bucket, the
Two pumpings, electric flocculation device and filter press；
The sludge-tank is connected by first pumping with the electrolysis regulation bucket, for storing pending sludge, and is led to
Cross first pumping pending sludge is input in the electrolysis regulation bucket；
The electrolysis regulation bucket is connected by second pumping with the electric flocculation device, for the pending sludge
Middle addition chlorion electrolyte, and the sludge for adding the electrolyte is pumped into by the electric flocculation by second pumping and filled
In putting；
The electric flocculation device, for utilize built-in iron or aluminium anodic-cathodic to the sludge that is pumped into current density be 50~
It is electrolysed under conditions of 400A, and the sludge after electrolysis is input to the filter press；
The filter press, for being filtered to the sludge after electrolysis, obtain sludge and the filtrate of solid.
2. system according to claim 1, it is characterised in that the electric flocculation device includes cell body, power supply, anodic-cathodic
With portion's mud entrance, the power supply and electrode are arranged inside the cell body；
The cell body is the container that the sludge carries out cell reaction；
Portion's mud entrance is arranged at the bottom of the cell body, is the entrance of the pending sludge；
The power supply is connected with the anodic-cathodic, for providing current to the electrode；
The anodic-cathodic, for being electrolysed to the pending sludge.
3. system according to claim 2, it is characterised in that the electric flocculation device also includes：Mud-scraping mechanism and attached cylinder；
The mud-scraping mechanism is arranged at the cell body inwall, for after generation air supporting sludge during cell reaction, will produce
Raw air supporting sludge scraping enters in the attached cylinder；
The attached cylinder is arranged at the cell body side, to place the container of the air supporting sludge.
4. system according to claim 3, it is characterised in that the electric flocculation device also includes：It is aerated mechanism；
The aeration mechanism, for being passed through oxygen to the sludge for carrying out cell reaction.
5. system according to claim 3, it is characterised in that the electric flocculation device also includes：Cycling mechanism；
The cycling mechanism, the sludge agitation for will carry out cell reaction are uniform.
6. system according to claim 3, it is characterised in that the electric flocculation device also includes：With leading pole function
High frequency electric source or positive negative pulse stuffing power supply, for showing and controlling the output current and output voltage of the electrode.
7. system according to claim 1, it is characterised in that the system also includes：3rd pumping, the 4th pumping and pressure
Filter adjustment cylinder；
Press filtration adjustment cylinder is by the 3rd pumping respectively at being connected and by the described 4th with the electric flocculation device
Pumping is connected with the filter press, for adding PAM, the sludge particle diameter after being electrolysed with adjustment.
8. system according to claim 1, it is characterised in that the system includes：Transferring cylinder；
The transferring cylinder is connected with the filter press, for holding the liquid after press filtration.
9. system according to claim 7, it is characterised in that first pumping, the second pumping, the 3rd pumping and the 4th
Pumping is any of screw pump, obstruction pump, centrifugal pump, membrane pump or impeller pump.
10. according to the system described in any one of claim 1~7, it is characterised in that the filter press is diaphragm filter press, height
Pressing spring filter press, high pressure obstruction filter press, plate and frame filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037458.4A CN107601796A (en) | 2017-10-30 | 2017-10-30 | A kind of sludge treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711037458.4A CN107601796A (en) | 2017-10-30 | 2017-10-30 | A kind of sludge treating system |
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| Publication Number | Publication Date |
|---|---|
| CN107601796A true CN107601796A (en) | 2018-01-19 |
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ID=61084429
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711037458.4A Pending CN107601796A (en) | 2017-10-30 | 2017-10-30 | A kind of sludge treating system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63162100A (en) * | 1986-12-24 | 1988-07-05 | Ishigaki Kiko Kk | Electrolytic treatment of sludge |
| CN102603132A (en) * | 2012-02-29 | 2012-07-25 | 波鹰(厦门)科技有限公司 | Sludge treatment device based on electrolysis and pressure filtration technologies and method thereof |
| CN105314810A (en) * | 2014-08-04 | 2016-02-10 | 昆山美淼环保科技有限公司 | Catalytic dehydration method for sludge |
| CN107055984A (en) * | 2016-12-01 | 2017-08-18 | 浙江工业大学 | A kind of method that high-voltage pulse electrolytic tension filter method deep dehydration handles sludge |
| CN206553379U (en) * | 2017-01-16 | 2017-10-13 | 深圳市泓达环境科技有限公司 | sludge dewatering abatement system |
-
2017
- 2017-10-30 CN CN201711037458.4A patent/CN107601796A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63162100A (en) * | 1986-12-24 | 1988-07-05 | Ishigaki Kiko Kk | Electrolytic treatment of sludge |
| CN102603132A (en) * | 2012-02-29 | 2012-07-25 | 波鹰(厦门)科技有限公司 | Sludge treatment device based on electrolysis and pressure filtration technologies and method thereof |
| CN105314810A (en) * | 2014-08-04 | 2016-02-10 | 昆山美淼环保科技有限公司 | Catalytic dehydration method for sludge |
| CN107055984A (en) * | 2016-12-01 | 2017-08-18 | 浙江工业大学 | A kind of method that high-voltage pulse electrolytic tension filter method deep dehydration handles sludge |
| CN206553379U (en) * | 2017-01-16 | 2017-10-13 | 深圳市泓达环境科技有限公司 | sludge dewatering abatement system |
Non-Patent Citations (1)
| Title |
|---|
| 陈金銮;万晶;施汉昌: "电解浮选用于活性污泥固液分离的研究", 环境科学, vol. 27, no. 11, pages 2334 - 2337 * |
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