CN110127821A - Utilize the method and device of micro- silicon particle processing sewage - Google Patents
Utilize the method and device of micro- silicon particle processing sewage Download PDFInfo
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- CN110127821A CN110127821A CN201910507431.XA CN201910507431A CN110127821A CN 110127821 A CN110127821 A CN 110127821A CN 201910507431 A CN201910507431 A CN 201910507431A CN 110127821 A CN110127821 A CN 110127821A
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- electrode plate
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- silicon particle
- sewage
- filtering ponds
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Abstract
The present invention relates to a kind of method and device using micro- silicon particle processing sewage, the method is in the following way handled sewage: micro- silicon particle layer of preset height is filled in the filtering ponds of filter sewage；First electrode plate is arranged in side in filtering ponds, and the other side is oppositely arranged second electrode plate；First electrode plate and second electrode plate are electrically connected with the pulse power, the sewage in filtering ponds is handled.The pulse power can power for the first pole plate and the second pole plate, and form electric field between the first pole plate and the second pole plate.When sewage flows through micro- silicon particle layer, micro- silicon particle layer in electric field can either capture the nitrogen of solubilised state in sewage, can also capture the P elements of solubilised state in sewage, be effectively simplified removal process.
Description
Technical field
The present invention relates to technical field of sewage more particularly to a kind of methods and dress using micro- silicon particle processing sewage
It sets.
Background technique
To promote plant growth, the yield of agricultural product is improved, people often apply more nitrogenous fertilizer and phosphate fertilizer.In rainfall or filling
When irrigating, the loss of nitrogen and P elements easily occurs.When nitrogen and P elements enter water body, the eutrophication of Yi Yinqi water body.Water body
Eutrophication can make algae and other planktonic organisms breed rapidly, dissolved oxygen in water decline, and then cause fish and other lifes
The phenomenon that object mortality, occurs.Currently, the removal of the nitrogen and P elements of solubilised state in water body is had been very urgent.
Wherein, the nitrogen of solubilised state mainly exists in the form of ammonia nitrogen and nitrate nitrogen plasma, can be by redox
They are switched to nitrogen discharge sewage by method.This method needs to consume the dissolved oxygen in sewage, therefore needs in removal nitrogen
Continue the delivery of supplemental oxygen into sewage in the process, so that the removal process of nitrogen is relatively complicated, and energy consumption is larger.The phosphorus member of solubilised state
Element mainly exists in the form of phosphatic, and calcium, iron and aluminium plasma can be added in sewage, so that phosphate and these metals
Ions binding forms sediment.But when introducing metal ion in sewage, inevitably introduce sulfate ion, chloride ion
Or other anions, easily cause the secondary pollution of water body.
Currently, dissolved nitrogen element and when P elements in removal sewage, needing distinctiveness, removal process is more to be processed
It is cumbersome.
Summary of the invention
To solve in removal sewage dissolved nitrogen element and when P elements, need distinctiveness to be processed, it is relatively complicated
Problem provides a kind of method using micro- silicon particle processing sewage.
A kind of method using micro- silicon particle processing sewage that purpose provides to realize the present invention, in the following way to dirt
Water is handled:
Micro- silicon particle layer of preset height is filled in the filtering ponds of filter sewage；
First electrode plate is arranged in side in filtering ponds, and the other side is oppositely arranged second electrode plate；
First electrode plate and second electrode plate are electrically connected with the pulse power, at the sewage in filtering ponds
Reason.
In a wherein specific embodiment, first electrode plate is set in the side of filtering ponds, the other side is oppositely arranged the
Two electrode plates, comprising:
The lower part of first electrode plate and second electrode plate is inserted into micro- silicon particle layer.
In a wherein specific embodiment, first electrode plate and second electrode plate are electrically connected with the pulse power
It connects, comprising: open the pulse power, make to generate electric field between the first electrode plate and the second electrode plate；
Sewage in filtering ponds is handled, comprising: sewage is made to be detained preset duration in the electric field.
In a wherein specific embodiment, the method also includes: make sewage be detained in the electric field preset duration it
Afterwards, the sewage in filtering ponds is drained into the outside of filtering ponds.
In a wherein specific embodiment, the pulse power is dual-pulse power supply, pulse frequency 20-100HZ, and pulse accounts for
Sky than being 25-75%, when interval of forward and reverse impulse commutation a length of 10-200ms.
In a wherein specific embodiment, a length of 10-120min when locating in advance；The intensity of electric field is 0.5-50V/cm.
A kind of device using micro- silicon particle processing sewage based on same design, the filtering ponds including hollow structure；
The underfill of filtering ponds has micro- silicon particle layer；
Side in filtering ponds is equipped with first electrode plate, and the other side is opposite to be equipped with second electrode plate；First electrode plate and
Two electrode plates are used to be electrically connected with the pulse power.
In a wherein specific embodiment, the adjacent side that filtering ponds are equipped with the side of first electrode plate is equipped with water inlet
Mouthful；The adjacent other side that filtering ponds are equipped with the side of first electrode plate is equipped with water outlet；
Bottom first pre-determined distance of the water inlet away from filtering ponds；Bottom second pre-determined distance of the water outlet away from filtering ponds；It is micro-
The third pre-determined distance of plane where the bottom of plane separation filtering ponds where the top of silicon particle layer.
In a wherein specific embodiment, the first pre-determined distance is less than the second pre-determined distance；Second pre-determined distance is less than
Third pre-determined distance.
In a wherein specific embodiment, first electrode plate is metal plate or graphite plate；Second electrode plate is metal plate
Or graphite plate.
Beneficial effects of the present invention: the method described in the present invention can be the first pole plate and the by the setting pulse power
The power supply of two pole plates, and electric field is formed between the first pole plate and the second pole plate.When sewage flows through micro- silicon particle layer, it is in electric field
In micro- silicon particle layer can either capture the nitrogen of solubilised state in sewage, can also capture the P elements of solubilised state in sewage,
It is effectively simplified removal process.
Detailed description of the invention
Fig. 1 is a kind of flow chart of one specific embodiment of method using micro- silicon particle processing sewage of the present invention；
Fig. 2 is a kind of flow chart of the method another specific embodiment using micro- silicon particle processing sewage of the present invention；
Fig. 3 is a kind of structural schematic diagram of one specific embodiment of device using micro- silicon particle processing sewage of the present invention；
Fig. 4 is a kind of front view of the device another specific embodiment using micro- silicon particle processing sewage of the present invention；
Fig. 5 is the top view of the device shown in Fig. 4 using micro- silicon particle processing sewage；
Fig. 6 is the side view of the device shown in Fig. 4 using micro- silicon particle processing sewage.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
"upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands ", " axial direction ", " radial direction ", " circumferential direction " is that orientation based on the figure or position are closed
System is merely for convenience of the description present invention or simplifies description, rather than the method for indication or suggestion meaning or element must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Referring to Fig.1, as an a kind of specific embodiment of the method using micro- silicon particle processing sewage of the present invention, using such as
Under type handles sewage:
S100 fills micro- silicon particle layer of preset height in the filtering ponds of filter sewage.
Micro- silicon particle layer is made of micro- silicon particle etc. in this step.Micro- silicon particle is through SILICA FUME or silicon powder powder processing system
At.The material of SILICA FUME and silicon powder powder is silica.Wherein, the nitrogen in sewage and P elements are deposited with ionic state
?.When sewage flows through micro- silicon particle layer, micro- silicon particle can be as the nitrogen and ionic state for capturing the ionic state in sewage
P elements medium.
First electrode plate is arranged in S200, the side in filtering ponds, and the other side is oppositely arranged second electrode plate.
Opposite sides in this step in filtering ponds is respectively provided with first electrode plate and second electrode plate.In first electrode
It is capable of forming electric field between plate and second electrode plate, when electric field formation, the nitrogen of ionic state and the P elements of ionic state are equal
Can the electrode direction of opposite charge towards where with itself move so that the nitrogen of sewage intermediate ion state and ionic state
The movement rate of P elements changes.Also, under the excitation of electric field, micro- silicon particle can generate polarity.With polar micro- silicon
Particle can capture nitrogen and P elements.When electric field disappears, the polarity of micro- silicon particle can slowly disappear over time
It dies, enables and be captured and be enriched in nitrogen on micro- silicon particle and P elements by Spontaneous release, convenient for micro- silicon particle
Cleaning.On the whole, the utilization rate of micro- silicon particle is effectively increased.
First electrode plate and second electrode plate are electrically connected with the pulse power by S300, in the filtering ponds
The sewage is handled.
It is electrically connected in this step by first electrode plate and the pulse power and second electrode plate and pulse power electricity
Connection enables the pulse power to be that first electrode plate and the second motor plate are powered.When the pulse power is first electrode plate and the
When two electrode plates are powered, electric field can be generated between first electrode plate and second electrode plate.Wherein, the pulse power is dipulse
Power supply, pulse frequency 20-100HZ, pulse duty factor 25-75%, when interval of forward and reverse impulse commutation a length of 10-
200ms.In this way, can make the direction of electric field can periodically-varied.Filtering ponds, can be as the container or field for handling sewage
Institute.Nitrogen and P elements in sewage can be removed processing in filtering ponds.Micro- silicon particle layer is in electric field, electric field
Direction periodically-varied increases or reduces the nitrogen of sewage intermediate ion state and the movement rate of the P elements of ionic state.And
And when primary shock occurs for the P elements of the nitrogen of sewage intermediate ion state and ionic state movement Shi Yuwei silicon particle, if by hitting
The micro- silicon particle hit does not capture nitrogen and P elements, and the direction of the nitrogen and P elements hit can change.
Then, nitrogen and P elements continue to move, with other micro- silicon particles generation secondary impacts or multiple impact until being caught in,
To limit nitrogen and P elements as sewage continues to move.Also, under the excitation of electric field, micro- silicon particle can generate pole
Property, the nitrogen of solubilised state in sewage can either be captured with polar micro- silicon particle, can also capture the phosphorus of solubilised state in sewage
Element is effectively simplified removal process.And relatively traditional minimizing technology, it is also more environmentally friendly, effectively avoid two to water body
Secondary pollution.In addition, a certain amount of active oxygen with oxidative function or a certain amount of can be generated under the action of electric field, in sewage
Active material with restoring function, active oxygen or active material can directly act on the nitrogen and ionic state of ionic state
P elements accelerate the removal of nitrogen and P elements in sewage.
It is being filtered referring to Fig. 2 as a kind of method another specific embodiment using micro- silicon particle processing sewage of the present invention
First electrode plate is arranged in the side in pond, and the other side is oppositely arranged second electrode plate, comprising:
Micro- silicon particle layer is inserted into the lower part of first electrode plate and second electrode plate by S400.
In this step before being electrically connected first electrode plate and second electrode plate with the pulse power, by the first electricity
Micro- silicon particle layer is inserted into the lower part of pole plate and second electrode plate.When the pulse power is that first electrode plate and second electrode plate are powered
When, electric field is formed between first electrode plate and second electrode plate, and the top of micro- silicon particle layer and bottom can be located
In electric field.
In a specific embodiment of the invention, S300 carries out first electrode plate and second electrode plate with the pulse power
Electrical connection, carrying out processing to the sewage in filtering ponds includes:
S500, unbalanced pulse power supply make to generate electric field and S600 between first electrode plate and second electrode plate, make dirt
Water is detained preset duration in the electric field.
In this step, unbalanced pulse power supply can generate electric field between first electrode plate and second electrode plate.Sewage is in electricity
It is detained preset duration in, so that there is the nitrogen and P elements in sewage the sufficient time to be captured by micro- silicon particle.Specifically
Ground, a length of 10-120min when locating in advance；The intensity of electric field is 0.5-50V/cm.
In a specific embodiment of the invention, method further includes S700, and the sewage in filtering ponds is drained into the outer of filtering ponds
Portion.
In this step, in S600, it is detained sewage after preset duration in filtering ponds, S700, by the dirt in filtering ponds
Water drains into the outside of filtering ponds.It is disposed in the sewage of the outside of filtering ponds that nitrogen and the content of P elements are extremely low, meets
State sewage emission standard.
In a specific embodiment of the invention, referring to Fig. 3, sewage is handled using micro- silicon particle the present invention also provides a kind of
Device, the filtering ponds 120 including square hollow structure.120 underfill of filtering ponds has micro- silicon particle layer.In filtering ponds 120
Side is equipped with first electrode plate 121, and the other side is opposite to be equipped with second electrode plate 122.First electrode plate 121 and second electrode plate
122 are electrically connected with the pulse power.
In this embodiment, the bottom of micro- silicon particle layer and the bottom of filtering ponds 120 abut against, also, first electrode plate
121 bottom with the bottom of second electrode plate 122 also with filtering ponds 120 abuts against.In this way, when first electrode plate 121 and the
When generating electric field between two electrode plates 122, it can guarantee that the top of micro- silicon particle layer and bottom are in electric field.The pulse power
For dual-pulse power supply, can power for first electrode plate 121 and second electrode plate 122.When the pulse power is opened, in the first electricity
Electric field can be generated between pole plate 121 and second electrode plate 122, also, the direction of electric field can periodically-varied.Sewage is in electricity
When in, the P elements meeting acceleration or deceleration movement of the nitrogen and ionic state of sewage intermediate ion state, and hit micro- silicon particle.It is micro-
Silicon particle is in electric field, can generate polarity, can either capture nitrogen with polar micro- silicon particle, can also capture phosphorus member
Element greatly simplifies the removal process of nitrogen and P elements in sewage.
Referring to Fig. 4, Fig. 5 and Fig. 6, the adjacent side that filtering ponds 120 are equipped with the side of first electrode plate 121 is equipped with water inlet
124, the adjacent other side that filtering ponds 120 are equipped with the side of first electrode plate 121 is equipped with water outlet 123.The axis of water inlet 124
Higher than the first pre-determined distance of plane where the bottom of filtering ponds 120, the axis of water outlet 123 is higher than the bottom of filtering ponds 120
Second pre-determined distance of place plane, plane where plane is higher than the bottom of filtering ponds 120 where the top of micro- silicon particle layer
Third pre-determined distance.Also, the first pre-determined distance is less than third pre-determined distance less than the second pre-determined distance, the second pre-determined distance.
Specifically, sewage is input to the inside of filtering ponds 120 by water inlet 124, passes through the output of water outlet 123 to filtering
The outside in pond 120.Also, in the vertical direction, the position of water inlet 123 is lower than the position of water outlet 124, water outlet 124
Position is lower than the top of micro- silicon particle layer.In this way, micro- silicon particle layer is preferable to the capture effect of nitrogen in sewage and P elements.
Wherein, first electrode plate can be metal plate, or graphite plate.Second electrode plate can be metal plate, or stone
Black plate.The service life of metal plate is shorter with respect to the service life of graphite plate.
In order to illustrate more clearly of the embodiment of the present disclosure using the technical solution of the method for micro- silicon particle processing sewage, with
Down it is specific experiment data:
Test 1: organic glass case (filtering ponds), size 10cm × 10cm × 10cm.Wherein, organic glass case (filtering ponds)
First electrode plate and second electrode plate is respectively set in interior opposite sides.And first electrode plate and second electrode plate are electrically connected
The pulse power.The micro- silicon particle layer of filling, micro- silicon particle layer are made of the micro- silicon particle of 1Kg in organic glass case (filtering ponds).So
In backward organic glass case (filtering ponds) after the sewage 500ml of injection 5.15mg/L containing ammonia nitrogen, phosphorous 1.01mg/L, unbalanced pulse
Power supply.The parameter of the pulse power is set.Wherein pulse frequency be 20Hz, pulse duty factor 50%, forward and reverse impulse commutation
A length of 200ms when interval, electric field strength 12V/cm, after operation 20min (preset duration), the case where not closing the pulse power
Under, sample detecting, measuring ammonia nitrogen is 1.81mg/L, phosphorus 0.32mg/L.
Test 2: organic glass case (filtering ponds), size 10cm × 10cm × 10cm.Wherein, organic glass case (filtering ponds)
First electrode plate and second electrode plate is respectively set in interior opposite sides.And first electrode plate and second electrode plate are electrically connected
The pulse power.The micro- silicon particle layer of filling, micro- silicon particle layer are made of the micro- silicon particle of 1Kg in organic glass case (filtering ponds).So
In backward organic glass case (filtering ponds) after the sewage 500ml of injection 5.15mg/L containing ammonia nitrogen, phosphorous 1.01mg/L, it is not turned on arteries and veins
Rush power supply.After running 20min (preset duration), sample detecting, measuring ammonia nitrogen is 4.73mg/L, phosphorus 0.94mg/L.
Test 3: organic glass case (filtering ponds), size 10cm × 10cm × 10cm.Wherein, organic glass case (filtering ponds)
First electrode plate and second electrode plate is respectively set in interior opposite sides.And first electrode plate and second electrode plate are electrically connected
The pulse power.The micro- silicon particle layer of filling, micro- silicon particle layer are made of the micro- silicon particle of 1Kg in organic glass case (filtering ponds).So
In backward organic glass case (filtering ponds) after the sewage 500ml of injection 5.15mg/L containing ammonia nitrogen, phosphorous 1.01mg/L, unbalanced pulse
Power supply.The parameter of the pulse power is set.Wherein pulse frequency is 100Hz, pulse duty factor 25%, forward and reverse impulse commutation
Interval when a length of 10ms, electric field strength 1.2V/cm do not closing the pulse power after operation 120min (preset duration)
In the case of, sample detecting, measuring ammonia nitrogen is 1.62mg/L, phosphorus 0.28mg/L.
Test 4: organic glass case (filtering ponds), size 10cm × 10cm × 10cm.Wherein, organic glass case (filtering ponds)
First electrode plate and second electrode plate is respectively set in interior opposite sides.And first electrode plate and second electrode plate are electrically connected
The pulse power.The micro- silicon particle layer of filling, micro- silicon particle layer are made of the micro- silicon particle of 1Kg in organic glass case (filtering ponds).So
In backward organic glass case (filtering ponds) after the sewage 500ml of injection 5.15mg/L containing ammonia nitrogen, phosphorous 1.01mg/L, unbalanced pulse
Power supply.The parameter of the pulse power is set.Wherein pulse frequency is 100Hz, pulse duty factor 75%, forward and reverse impulse commutation
Interval when a length of 200ms, electric field strength 22V/cm, after operation 10min (preset duration), in the feelings for not closing the pulse power
Under condition, sample detecting, measuring ammonia nitrogen is 1.43mg/L, phosphorus 0.25mg/L.
Test 5: organic glass case (filtering ponds), size 10cm × 10cm × 10cm.Wherein, organic glass case (filtering ponds)
First electrode plate and second electrode plate is respectively set in interior opposite sides.And first electrode plate and second electrode plate are electrically connected
The pulse power.The micro- silicon particle layer of filling, micro- silicon particle layer are made of the micro- silicon particle of 1Kg in organic glass case (filtering ponds).So
In backward organic glass case (filtering ponds) after the sewage 500ml of injection 5.15mg/L containing ammonia nitrogen, phosphorous 1.01mg/L, unbalanced pulse
Power supply.The parameter of the pulse power is set.Wherein pulse frequency is 100Hz, pulse duty factor 50%, forward and reverse impulse commutation
Interval when a length of 100ms, electric field strength 22V/cm, after operation 15min (preset duration), in the feelings for not closing the pulse power
Under condition, sample detecting, measuring ammonia nitrogen is 1.35mg/L, phosphorus 0.085mg/L.
Test 6: organic glass case (filtering ponds), size 10cm × 10cm × 10cm.Wherein, organic glass case (filtering ponds)
First electrode plate and second electrode plate is respectively set in interior opposite sides.And first electrode plate and second electrode plate are electrically connected
The pulse power.The micro- silicon particle layer of filling, micro- silicon particle layer are made of the micro- silicon particle of 1Kg in organic glass case (filtering ponds).So
In backward organic glass case (filtering ponds) after the sewage 500ml of injection 4.51mg/L containing ammonia nitrogen, phosphorous 0.89mg/L, unbalanced pulse
Power supply.The parameter of the pulse power is set.Wherein pulse frequency is 100Hz, pulse duty factor 75%, forward and reverse impulse commutation
Interval when a length of 200ms, electric field strength 12V/cm, adjust flow velocity when sewage passes through inlet and outlet, maintained
Liquid level in machine glass box (filtering ponds) is constant.Wherein, flow velocity when sewage passes through water outlet is 20-25ml/min.Work as sewage
After water outlet discharge 500ml, in the case where not closing the pulse power, start from water outlet sample detecting, measuring ammonia nitrogen is
1.44mg/L, phosphorus 0.28mg/L.
Test 7: organic glass case (filtering ponds), size 10cm × 10cm × 10cm.Wherein, organic glass case (filtering ponds)
First electrode plate and second electrode plate is respectively set in interior opposite sides.And first electrode plate and second electrode plate are electrically connected
The pulse power.The micro- silicon particle layer of filling, micro- silicon particle layer are made of the micro- silicon particle of 1Kg in organic glass case (filtering ponds).So
In backward organic glass case (filtering ponds) after the sewage 500ml of injection 4.51mg/L containing ammonia nitrogen, phosphorous 0.89mg/L, unbalanced pulse
Power supply.The parameter of the pulse power is set.Wherein pulse frequency is 100Hz, pulse duty factor 50%, forward and reverse impulse commutation
Interval when a length of 100ms, electric field strength 12V/cm, adjust flow velocity when sewage passes through inlet and outlet, maintained
Liquid level in machine glass box (filtering ponds) is constant.Wherein, flow velocity when sewage passes through water outlet is 20-25ml/min.Work as sewage
After water outlet discharge 500ml, in the case where not closing the pulse power, start from water outlet sample detecting, measuring ammonia nitrogen is
1.24mg/L, phosphorus 0.066mg/L.
In a specific embodiment of the invention, a kind of micro- silicon particle preparation method is disclosed, comprising the following steps:
The lye of addition certain mass score, forms solution in SILICA FUME or silicon powder powder (80-120 mesh).Then,
Ultrasonication is carried out to solution, accelerates the rate of dissolution of SILICA FUME or silicon powder powder.Later, under conditions of 50-100 DEG C
Constant temperature handles 0.5-10h.Then, solution is filtered, after freeze-dried, elutes 0.5-2h using distilled water.Later, it steams
Vapour rinses 10-60min.Finally, being dried using hot wind, micro- silicon particle is made.Through detecting, the partial size of micro- silicon particle is greater than
0.4mm, heap density are 1.5-2.3/cm3, meet application requirement.
In order to illustrate more clearly of the technical solution of micro- silicon particle preparation method of the embodiment of the present disclosure, the following are specific realities
Test data:
Test 8: addition mass fraction is 0.4% lye 1Kg in 100g SILICA FUME (80 mesh), through ultrasonication 2h
Afterwards, 50 DEG C of constant temperature handle 10h, then filter, filtrate is given up.Later, the mixture containing micro- silicon particle is placed in freezing chamber storage,
A length of 12H when storage.Then it is freeze-dried, elutes 0.5h using distilled water.Later, steam flush 10min.Finally, hot wind is blown
It is dry, micro- silicon particle is made.After removing the lesser micro- silicon particle of partial size using the sieve of 40 mesh, it is micro- greater than 0.4mm to retain partial size
Silicon particle 86.5g.Through detecting, heap density is 1.572g/cm3。
Test 9: addition mass fraction is 1% lye 0.5Kg in 100g SILICA FUME (120 mesh), through ultrasonication 1h
Afterwards, 100 DEG C of constant temperature handle 0.5h, then filter, filtrate is given up.Later, the mixture containing micro- silicon particle freezing chamber is placed in deposit
Put, when storage a length of 12H.Then it is freeze-dried, elutes 1h using distilled water.Later, steam flush 20min.Finally, hot wind is blown
It is dry, micro- silicon particle is made.After removing the lesser micro- silicon particle of partial size using the sieve of 40 mesh, it is micro- greater than 0.4mm to retain partial size
Silicon particle 89.9g.Through detecting, heap density is 1.948g/cm3。
Test 10: addition mass fraction is 4% lye 2Kg in 2Kg SILICA FUME (80 mesh), through ultrasonication 0.5h
Afterwards, 90 DEG C of constant temperature handle 1h, then filter, filtrate is given up.Later, the mixture containing micro- silicon particle is placed in freezing chamber storage,
A length of 12H when storage.Then it is freeze-dried, elutes 2h using distilled water.Later, steam flush 60min.Finally, hot blast drying,
Micro- silicon particle is made.After removing the lesser micro- silicon particle of partial size using the sieve of 40 mesh, micro- silicon that partial size is greater than 0.4mm is retained
Grain 1.596Kg.Through detecting, heap density is 1.789g/cm3。
Test 11: addition mass fraction is 2% lye 5Kg in 2Kg SILICA FUME (120 mesh), after ultrasonication 1h,
70 DEG C of constant temperature handle 2h, then filter, filtrate is given up.Later, the mixture containing micro- silicon particle is placed in freezing chamber storage, storage
Shi Changwei 12H.Then it is freeze-dried, elutes 1h using distilled water.Later, steam flush 40min.Finally, hot blast drying, is made
Micro- silicon particle.After removing the lesser micro- silicon particle of partial size using the sieve of 40 mesh, micro- silicon particle that partial size is greater than 0.4mm is retained
1.541Kg.Through detecting, heap density is 2.128g/cm3。
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art the invention discloses in the range of, according to the technique and scheme of the present invention and its design
It is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of method using micro- silicon particle processing sewage, which is characterized in that handle in the following way sewage:
Micro- silicon particle layer of preset height is filled in the filtering ponds of filter sewage；
First electrode plate is arranged in side in the filtering ponds, and the other side is oppositely arranged second electrode plate；
The first electrode plate and the second electrode plate are electrically connected with the pulse power, to the dirt in the filtering ponds
Water is handled.
2. the method according to claim 1 using micro- silicon particle processing sewage, which is characterized in that described in the filtering
First electrode plate is arranged in the side in pond, and the other side is oppositely arranged second electrode plate, comprising:
Micro- silicon particle layer is inserted into the lower part of the first electrode plate and the second electrode plate.
3. the method according to claim 1 using micro- silicon particle processing sewage, which is characterized in that described by described first
Electrode plate and the second electrode plate are electrically connected with the pulse power, comprising: are opened the pulse power, made described first
Electric field is generated between electrode plate and the second electrode plate；
The sewage in the filtering ponds is handled, comprising: sewage is made to be detained preset duration in the electric field.
4. the method according to claim 3 using micro- silicon particle processing sewage, which is characterized in that the method is also wrapped
Include: it is described so that sewage is detained preset duration in the electric field after, the sewage in the filtering ponds is drained into the filtering
The outside in pond.
5. the method according to claim 3 using micro- silicon particle processing sewage, which is characterized in that the pulse power is
Dual-pulse power supply, pulse frequency 20-100HZ, pulse duty factor 25-75%, when interval of forward and reverse impulse commutation, are a length of
10-200ms。
6. the method according to claim 3 using micro- silicon particle processing sewage, which is characterized in that a length of when the pre- place
10-120min；The intensity of the electric field is 0.5-50V/cm.
7. a kind of device using micro- silicon particle processing sewage characterized by comprising
The filtering ponds of hollow structure；
The underfill of the filtering ponds has micro- silicon particle layer；
Side in the filtering ponds is equipped with first electrode plate, and the other side is opposite to be equipped with second electrode plate；The first electrode plate
And the second electrode plate is used to be electrically connected with the pulse power.
8. the device according to claim 7 using micro- silicon particle processing sewage, which is characterized in that the filtering ponds are equipped with
The adjacent side of the side of the first electrode plate is equipped with water inlet；The filtering ponds are equipped with the side of the first electrode plate
The adjacent other side is equipped with water outlet；
Bottom first pre-determined distance of the water inlet away from the filtering ponds；Bottom second of the water outlet away from the filtering ponds
Pre-determined distance；The third of plane where the bottom of filtering ponds described in plane separation where the top of micro- silicon particle layer it is default away from
From.
9. the device according to claim 8 using micro- silicon particle processing sewage, which is characterized in that described first it is default away from
From less than second pre-determined distance；Second pre-determined distance is less than the third pre-determined distance.
10. the device according to claim 7 using micro- silicon particle processing sewage, which is characterized in that the first electrode
Plate is metal plate or graphite plate；The second electrode plate is metal plate or graphite plate.
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