CN208327650U - A kind of domestic sewage processing system - Google Patents
A kind of domestic sewage processing system Download PDFInfo
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- CN208327650U CN208327650U CN201820570027.8U CN201820570027U CN208327650U CN 208327650 U CN208327650 U CN 208327650U CN 201820570027 U CN201820570027 U CN 201820570027U CN 208327650 U CN208327650 U CN 208327650U
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- microfiltration membrane
- electric flocculation
- intermediate pool
- tube microfiltration
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Abstract
The utility model discloses a kind of domestic sewage processing system, which includes grid, balancing tank, jet mixer, ozone generator, electric flocculation device, intermediate pool, tube microfiltration membrane and activated carbon tower；The main body reaction principle of this method is to carry out oxygenolysis to the hardly degraded organic substance in sanitary sewage by the way of advanced catalytic oxidation, is then separated by solid-liquid separation the sanitary sewage after oxygenolysis again by microfiltration membranes, is allowed to be purified.The utility model is a kind of novel domestic sewage processing method, both having solved is influenced existing for existing sanitary sewage disposal in the process by water temperature fluctuation, especially north of china in winter temperature low the problem of can not carrying out biological respinse, the problems such as it is long to also solve the activated sludge culture period, is not suitable for short-term, provisional sanitary sewage disposal occasion.
Description
Technical field
The utility model belongs to Water Pollution Control Engineering field, in particular to a kind of domestic sewage processing system and
Its method.
Background technique
Existing domestic sewage treatment process is all using biological method (activated sludge process) mostly, and sanitary sewage is passing through
Grid enters balancing tank after collecting, and then carries out the biological treatment of aerobic/anaerobic, and carry out solid-liquid by secondary settling tank or MBR
Separation makes finally to produce the discharge standard that water reaches country.The reactive agent of entire technique uses biological respinse mode, operation at
This is low, and stable reaction is one main feature.
But because the technique that main body uses is biological respinse (activated sludge process), therefore the growth of biological bacterium is by it
The influence of its some environmental factor, it is main to have temperature, pH value, nutriment, concentration of poison and dissolved oxygen.These because
In element, temperature has large effect to the growth of the bacterium in activated sludge, when water temperature is lower than 10 DEG C, in activated sludge
Bacterium stops growing substantially, this is also that winter north sanitary sewage disposal effect is poor, or even the main reason for can not carry out.Especially
In the north in China, winter environment temperature reaches -30 DEG C hereinafter, bacterium in activated sludge is substantially all is frozen to death, and needs to come
Weight NEW BEGINNING culture after the beginning of spring in year.
In addition, common activated sludge process when putting into operation, needs to carry out the domestication and culture of sludge in advance, sludge
Cultivation cycle generally requires longer time, and generally requiring 2-3 months or so could be by activated sludge acclimatization success.And some
The sanitary sewage of provisional movement or processing is needed, when the use time at the scene only has 1-2 months, activated sludge often occurs
There are no taming successfully just to need the case where going to next region, and in the meantime, sanitary sewage is all discharge beyond standards.
Utility model content
It is existing to solve the purpose of this utility model is to provide a kind of novel domestic sewage processing system and its method
Existing during sanitary sewage disposal to be influenced by water temperature fluctuation, especially north of china in winter temperature is low can not carry out biological respinse,
And the activated sludge culture period is long, the problems such as not being suitable for short-term, provisional sanitary sewage disposal occasion.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of domestic sewage processing system, including grid, balancing tank, jet mixer, ozone generator, electric flocculation dress
It sets, intermediate pool, tube microfiltration membrane and activated carbon tower；The grid is arranged in water storage tank, the water storage tank and the adjusting
Pond connection, the water outlet of the balancing tank are provided with electric flocculation unit feeding pump, and the balancing tank passes through the electricity wadding
Solidifying unit feeding pump is connect with the electric flocculation device, and the jet mixer is arranged in the balancing tank and the electric flocculation
On pipeline between device, the ozone generator is connect with the jet mixer, the electric flocculation device and the centre
Pond connection, the water outlet of the intermediate pool are provided with tube microfiltration membrane supply pump, and the intermediate pool passes through the tubular type
Microfiltration membranes supply pump is connect with the water inlet of the tube microfiltration membrane, and the production mouth of a river of the tube microfiltration membrane passes through the active carbon
Tower is connect with qualified discharge mouth, is filled with the active carbon of high-quality in the activated carbon tower, the mud discharging mouth of the intermediate pool and
The concentrate recirculation mouth of the tube microfiltration membrane passes through a sludge pump and connect with Treatment of Sludge mouth.
Further, the liquid level for controlling the electric flocculation unit feeding pump start and stop is provided in the balancing tank
Meter；Aeration fan or blender are provided in the balancing tank, for adjusting mixing well for water quality in the balancing tank.
Further, the electric flocculation device is whole closing appliance, and is provided with pressure protective device, to prevent the electricity
Over-voltage in flocculation plant；The electric flocculation device is provided with exhaust outlet, for tentatively run or operational process in generate it is a large amount of
The discharge of gas.
Further, the intermediate pool is provision for sealing, and top is provided with the exhaust outlet with ozonolysis equipment, is used
Unreacted residue overflows ozone in sanitary sewage after destroying oxygenolysis；The intermediate pool is provided with blender, for preventing
The only sludgd deposition that advanced catalytic oxidation reaction generates；The intermediate pool is provided with liquidometer, micro- for controlling the tubular type
The operation of filter membrane supply pump and the sludge pump.
Further, the tube microfiltration membrane is a kind of perforated membrane made of Superhigh Molecular Polymer, pore diameter range
It is 0.1-1.0 microns；The production mouth of a river of the tube microfiltration membrane and concentrate recirculation mouth are respectively arranged with flowmeter, for observing and controlling
System produces water and circling water flow rate；The tube microfiltration membrane water inlet, refluxing opening and the production mouth of a river are respectively arranged with pressure gauge, for observing
Pressure change situation.
The utility model is using a kind of novel domestic sewage processing method, and main body reaction principle is, using height
The mode of grade catalysis oxidation carries out oxygenolysis to the hardly degraded organic substance in sanitary sewage, then by the life after oxygenolysis
Sewage is separated by solid-liquid separation again by microfiltration membranes, is allowed to be purified.
The specific reaction process of advanced catalytic oxidation reaction is as follows:
Fe is generated by electrochemical reaction first2+Ion, and by the Fe of generation2+Plasma diffusing W,Mo enters in sanitary sewage, then
O is passed through in life is anhydrous3, Fe2+Ion and O3Atom occur homogeneous catalytic oxidation reaction, thus generate hydroxyl radical free radical (
OH), reaction equation is as follows:
Iron substrate in electrochemistry loses electronics:
Fe-2e→Fe2e+；
Fe generated2+With the O of investment3, main oxidation mechanism is as follows:
Fe2++O3→FeO2++O2；
FeO2++H2O→Fe3++·OH+OH-；
The hydroxyl radical free radical of generation generates organic free radical with hardly degraded organic substance in aqueous solution, makes hardly degraded organic substance
Structure is destroyed, final oxygenolysis；Fe simultaneously2+Ion loses electronics after participating in reaction as catalyst, generates Fe3+From
Son, Fe3+Ion hydrolysis generates Fe (OH)3, there is clarification and flocculated effect, with the organic matter shape decomposed by catalysis oxidation
At co-sedimentation, the operation without medicine is realized；It is worth noting that, in addition unwanted during the reaction add Fe2+Ion, institute
The Fe needed2+Ion is provided by the iron substrate in electrochemical reaction.
Sanitary sewage after oxygenolysis is separated by solid-liquid separation by tube microfiltration membrane, and tube microfiltration membrane is that one is by surpassing
Perforated membrane made of high molecular polymer, pore diameter range are 0.1-1.0 microns, and in conjunction with tiny flocculation technology, raw water is in 0.1-
1.8kg/cm2The driving down-flow tubular microfiltration membranes of pressure, can by raw water suspended particulate, colloid, organic macromolecule, bacterium,
Microorganism etc. is separated, and Water warfare, SS≤1mg/L of water outlet are made.
The water outlet of tubular type microwave film enters the activated carbon tower of setting at its end, passes through the adsorption energy of Active Carbon in Organic
Power further adsorbs organic matter remaining in water, so that finally producing the discharge standard that water reaches national regulation.
The beneficial effects of the utility model are:
1. in the process flow of the utility model, not needing to add any medicament, catalyst required for reacting is by iron
Substrate is electrolytically generated, and ozone is directly produced by air, does not need other dosing coagulant and flocculant, can be completed entire
Technological reaction.
2. the main process process that the utility model handles sanitary sewage is physical-chemical reaction, limit not low by water temperature
System, therefore the processing being suitable under the extremely low temperature of north of china in winter.
3. the main process process that the utility model handles sanitary sewage is physical-chemical reaction, it is only necessary to which booting can
Starting operation, therefore do not need to need to carry out domestication culture to activated sludge as conventional Wastewater Treated by Activated Sludge Process sanitary sewage.
4. in the utility model process flow, because there is the investment of ozone in front end, ozone has the function of sterilization, therefore terminal goes out
Water, which does not need to add fungicide, is sterilized.
5, the technique production of the utility model realizes that the processing is simple, operates conveniently, while reducing the occupied area at scene.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the system framework and process flow diagram of the utility model.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
Shown in referring to Fig.1, a kind of domestic sewage processing system of the utility model, including grid 1, balancing tank 2, jet stream
Mixer 3, ozone generator 4, electric flocculation device 5, intermediate pool 6, tube microfiltration membrane 7 and activated carbon tower 8；The grid 1 is set
It sets in water storage tank, the water storage tank is connect with the balancing tank 2, and the water outlet of the balancing tank 2 is provided with electric flocculation
Unit feeding pump 9, the balancing tank 2 is connect by electric flocculation unit feeding pump 9 with the electric flocculation device 5, described
Jet mixer 3 is arranged on the pipeline between the balancing tank 2 and the electric flocculation device 5, the ozone generator 4 with
The jet mixer 3 connects, and the electric flocculation device 5 is connect with the intermediate pool 6, the water outlet of the intermediate pool 6
It is provided with tube microfiltration membrane supply pump 10, the intermediate pool 6 is micro- by the tube microfiltration membrane supply pump 10 and the tubular type
The water inlet of filter membrane 7 connects, and the production mouth of a river of the tube microfiltration membrane 7 is connect by the activated carbon tower 8 with qualified discharge mouth, institute
State the active carbon that high-quality is filled in activated carbon tower 8, the mud discharging mouth of the intermediate pool 6 and the tube microfiltration membrane 7 it is dense
Water refluxing opening passes through a sludge pump 11 and connect with Treatment of Sludge mouth.
Further, the liquid level that 9 start and stop are pumped for controlling the electric flocculation unit feeding is provided in the balancing tank 2
Meter；It is provided in the balancing tank 2 for adjusting the Aeration fan or blender that water quality is mixed well in the balancing tank 2.
Further, the electric flocculation device 5 is whole closing appliance, and is provided with and prevents mistake in the electric flocculation device 5
The pressure protective device of pressure；The electric flocculation device 5 be provided with for be discharged in preliminary operation or operational process generate it is a large amount of
The exhaust outlet of gas.
Further, the intermediate pool 6 is provision for sealing, and top is provided with the exhaust outlet with ozonolysis equipment,
For destroying, unreacted residue overflows ozone in sanitary sewage after oxygenolysis；The intermediate pool 6 is provided with for preventing height
The blender for the sludgd deposition that grade catalytic oxidation generates；The intermediate pool 6 is provided with for controlling the tubular type micro-filtration
The liquidometer that film supply pump 10 and the sludge pump 11 are run.
Further, the tube microfiltration membrane 7 is a kind of perforated membrane made of Superhigh Molecular Polymer, pore diameter range
It is 0.1-1.0 microns；The production mouth of a river of the tube microfiltration membrane 7 and concentrate recirculation mouth are separately provided for observation and water production control
With the flowmeter of circling water flow rate；7 water inlet of tube microfiltration membrane, refluxing opening and the production mouth of a river are separately provided for observation pressure
The pressure gauge of changing condition.
Shown in referring to Fig.1, a kind of domestic sewage processing method of the utility model, main body reaction principle is to use first
The mode of advanced catalytic oxidation carries out oxygenolysis to the hardly degraded organic substance in sanitary sewage, then by the life after oxygenolysis
Sewage living is separated by solid-liquid separation again by microfiltration membranes, is allowed to be purified；Specific processing method is as follows:
The gravity flow of step 1) sanitary sewage is excluded the suspended matter of bulky grain and other impurity by the grid 1, is passed through
It crosses the sanitary sewage after the grid 1 is isolated and enters the balancing tank 2, carry out water quality and mix well, the stop of the balancing tank 2
Time is greater than 20 hours, in order to sanitary sewage excrement and mixes well；
Step 2) sanitary sewage is conveyed after water quality is mixed well, with pump by pipeline, and the jet mixer 3 uses
Be gas-liquid mixing device, the O that ozone generator 4 is produced3The life being mixed into the uniform flow of 30-50mg/L in pipeline
Sewage；
Step 3) is mixed into O3Sanitary sewage be pressed into electric flocculation device 5 carry out advanced catalytic oxidation reaction (electricity is urged
Change), pipeline pressure value of the sanitary sewage of ozone mixed before entering the electric flocculation device 5 is less than 0.2Mpa, entire to react
It carries out and completes in the electric flocculation device 5, the maximum operating pressure of the electric flocculation device 5 is less than 0.2Mpa, specifically
Reaction process are as follows: Fe is generated from iron substrate by electrochemical reaction first2+Ion, then the electric flocculation device 5 will generate
Fe2+Plasma diffusing W,Mo enters to be mixed with O3Sanitary sewage in, occur homogeneous catalytic oxidation reaction, thus generate hydroxyl radical free radical (
OH), hydroxyl radical free radical generates organic free radical with hardly degraded organic substance in aqueous solution, destroys hardly degraded organic substance structure,
Final oxygenolysis；Fe simultaneously2+Ion loses electronics after participating in reaction as catalyst, generates Fe3+Ion, Fe3+Ion
Hydrolysis generates Fe (OH)3, there is clarification and flocculated effect, form co-sedimentation with the organic matter decomposed by catalysis oxidation,
Realize the operation without medicine；Its reaction equation is as follows:
Iron substrate in electrochemistry loses electronics:
Fe-2e→Fe2e+；
Fe generated2+With the O of investment3, main oxidation mechanism is as follows:
Fe2++O3→FeO2++O2；
FeO2++H2O→Fe3++·OH+OH-；
Sanitary sewage of the step 4) after peroxide decomposition enters the progress of intermediate pool 6 water quality and mixes well and keep in, if front end
When reaction does not complete, while the intermediate pool 6 acts on the reaction of front end and continues to complete；When sludge in the intermediate pool 6
Solid content when reaching 10%, the sludge in the intermediate pool 6 passes through the sludge pump 11 and is discharged；The tube microfiltration membrane supplies
The driving pressure for giving sanitary sewage to pump 10 is 0.1-1.8kg/cm2。
Sanitary sewage after reaction is sent into tube microfiltration membrane 7 by the step 5) intermediate pool 6, and sanitary sewage is in 0.1-
1.8kg/cm2The tube microfiltration membrane 7 is flowed through under the driving of pressure, the tube microfiltration membrane 7 is by the way of cross-flow filtration, knot
Tiny flocculation technology is closed, the suspended particulate in sanitary sewage, colloid, organic macromolecule, bacterium, microorganism are separated, is completed
It is separated by solid-liquid separation, is purified sanitary sewage, SS≤1mg/L of water outlet；The production water supply of the tube microfiltration membrane 7 is than being 1:
6, i.e. supply flow rate is to produce 6 times of water flow hereinafter, reflux ratio is to prevent film surface greater than 1:5 to increase the flow velocity of film surface
Sludgd deposition；
Output water of the step 6) after being separated by solid-liquid separation enters activated carbon tower 8, and 8 filtration flow-rate of activated carbon tower is set as
10-15m3/m2.h, the organic matter adsorption capacity that the activated carbon tower 8 has using active carbon, will be remaining organic in output water
Object is further adsorbed, so that finally producing the discharge standard that water reaches national regulation, can directly be discharged.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of domestic sewage processing system, it is characterised in that: including grid (1), balancing tank (2), jet mixer (3),
Ozone generator (4), electric flocculation device (5), intermediate pool (6), tube microfiltration membrane (7) and activated carbon tower (8)；The grid
(1) it is arranged in water storage tank, the water storage tank is connect with the balancing tank (2), the water outlet setting of the balancing tank (2)
There is electric flocculation unit feeding to pump (9), the balancing tank (2) pumps (9) and the electric flocculation by the electric flocculation unit feeding
Device (5) connection, the pipe that the jet mixer (3) is arranged between the balancing tank (2) and the electric flocculation device (5)
On the road, the ozone generator (4) connect with the jet mixer (3), the electric flocculation device (5) and the intermediate pool
(6) it connects, the water outlet of the intermediate pool (6) is provided with tube microfiltration membrane supply pump (10), and the intermediate pool (6) passes through
The tube microfiltration membrane supply pump (10) connect with the water inlet of the tube microfiltration membrane (7), the production of the tube microfiltration membrane (7)
The mouth of a river is connect by the activated carbon tower (8) with qualified discharge mouth, and the activity of high-quality is filled in the activated carbon tower (8)
Charcoal, the mud discharging mouth of the intermediate pool (6) and the concentrate recirculation mouth of the tube microfiltration membrane (7) pass through a sludge pump (11)
It is connect with Treatment of Sludge mouth.
2. domestic sewage processing system according to claim 1, it is characterised in that: the electric flocculation device (5) is full envelope
Device is closed, and is provided with the pressure protective device for preventing the interior over-voltage of the electric flocculation device (5)；The electric flocculation device (5) sets
It is equipped with the exhaust outlet for the bulk gas generated in preliminary operation or operational process to be discharged.
3. domestic sewage processing system according to claim 1, it is characterised in that: the intermediate pool (6) is that closing is set
Standby, top is provided with the exhaust outlet with ozonolysis equipment, and for destroying, unreacted is remaining in sanitary sewage after oxygenolysis
Overflow ozone；The intermediate pool (6) is provided with the blender of the sludgd deposition for preventing advanced catalytic oxidation reaction from generating；
The intermediate pool (6) is provided with the liquid for controlling the tube microfiltration membrane supply pump (10) and the sludge pump (11) operation
Position meter.
4. domestic sewage processing system according to claim 1, it is characterised in that: the tube microfiltration membrane (7) is one kind
The perforated membrane made of Superhigh Molecular Polymer, pore diameter range are 0.1-1.0 microns；The production water of the tube microfiltration membrane (7)
Mouth and concentrate recirculation mouth are separately provided for the flowmeter of observation and water production control and circling water flow rate；The tube microfiltration membrane
(7) water inlet, refluxing opening and the production mouth of a river are separately provided for the pressure gauge of observation pressure change situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570027.8U CN208327650U (en) | 2018-04-20 | 2018-04-20 | A kind of domestic sewage processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820570027.8U CN208327650U (en) | 2018-04-20 | 2018-04-20 | A kind of domestic sewage processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208327650U true CN208327650U (en) | 2019-01-04 |
Family
ID=64778363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820570027.8U Active CN208327650U (en) | 2018-04-20 | 2018-04-20 | A kind of domestic sewage processing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208327650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585303A (en) * | 2018-04-20 | 2018-09-28 | 苏州博创环保科技有限公司 | A kind of domestic sewage processing system and its method |
| CN110395844A (en) * | 2019-07-16 | 2019-11-01 | 笳音环保科技(上海)有限公司 | A kind of sewage treatment apparatus for toilet |
-
2018
- 2018-04-20 CN CN201820570027.8U patent/CN208327650U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108585303A (en) * | 2018-04-20 | 2018-09-28 | 苏州博创环保科技有限公司 | A kind of domestic sewage processing system and its method |
| CN108585303B (en) * | 2018-04-20 | 2023-12-22 | 苏州博创环保科技有限公司 | Domestic sewage treatment system and method thereof |
| CN110395844A (en) * | 2019-07-16 | 2019-11-01 | 笳音环保科技(上海)有限公司 | A kind of sewage treatment apparatus for toilet |
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