CN110510770A - A kind of micro- cross-flow dephosphorization apparatus and its phosphorus removing method - Google Patents
A kind of micro- cross-flow dephosphorization apparatus and its phosphorus removing method Download PDFInfo
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- CN110510770A CN110510770A CN201910647361.8A CN201910647361A CN110510770A CN 110510770 A CN110510770 A CN 110510770A CN 201910647361 A CN201910647361 A CN 201910647361A CN 110510770 A CN110510770 A CN 110510770A
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 43
- 239000011574 phosphorus Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005345 coagulation Methods 0.000 claims abstract description 123
- 230000015271 coagulation Effects 0.000 claims abstract description 123
- 239000010865 sewage Substances 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000011084 recovery Methods 0.000 claims abstract description 34
- 230000005484 gravity Effects 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims description 53
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 239000003344 environmental pollutant Substances 0.000 claims description 24
- 231100000719 pollutant Toxicity 0.000 claims description 24
- 238000005406 washing Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 7
- 239000000356 contaminant Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005189 flocculation Methods 0.000 claims description 2
- 230000016615 flocculation Effects 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000012851 eutrophication Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 206010016256 fatigue Diseases 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The application discloses a kind of micro- cross-flow dephosphorization apparatus and its phosphorus removing method.The device includes main body, have in it, level-one coagulation area, level-one agitating device is configured in it, two-stage coagulation area, two-stage coagulation area and bur recovery part are configured in it, settling section, micro- cross-flow reaction sphere is configured in it, when device works, sewage to be processed flows into level-one coagulation area and opens the level-one agitating device based on instruction, carry out coagulation stirring, water through coagulation stirring is based on flow by gravity and enters in two-stage coagulation area, second level agitating device is opened based on instruction to be continuously stirred, the sewage stirred through two-stage coagulation area flows into water of the inclined tube clarifying basin after the reaction of micro- cross-flow component and is separated by solid-liquid separation in inclined tube settling section, isolated water is discharged, isolated solid is sink to the bottom of clarifying basin.The device has take up little area, low energy consumption, carrier is Ke Xunhuanliyong, treatment effeciency is high, reduces water eutrophication etc. for the total phosphorus in draining outside depth removal municipal sewage plant.
Description
Technical field
The present invention relates to a kind of sewage-treatment plants, are specifically related to a kind of micro- cross-flow dephosphorization apparatus and its phosphorus removing method.
Background technique
With the development of technology, water pollution situation is constantly aggravated, so that sewage treatment is by unprecedented concern.The pollution of water
Two classes: one kind is natural pollution；Another kind of is artificial pollution, and currently biggish to water body harm is artificial pollution.Water pollution
Chemical contamination, physical pollution and biologic contamination three categories can be broadly divided into according to the difference of pollution impurity.Pollutant
Mainly have: (1) unprocessed and discharge industrial wastewater；(2) unprocessed and discharge sanitary sewage；Largely using chemical fertilizer,
Pesticide, farmland sewage of herbicide etc..Lake nitrogen phosphorus eutrophication is administered to meet at present, need to further be cut down total into lake total phosphorus
Amount is controlled from source, improves sewage treatment plant's total phosphorus discharge standard, by existing total phosphorus emission request from current TP≤0.5mg/
L is promoted to TP≤0.05mg/L, to be more advantageous to the eutrophication for reducing water body in lake.Currently, existing filtering, precipitating etc.
Process facility is not able to satisfy the requirement of limit dephosphorization.
Summary of the invention
In view of this, to meet the raising of total phosphorus discharge standard, existing sewage plant proposes mark transformation and lacks the conditions such as place
Limitation, the application propose a kind of micro- cross-flow dephosphorization apparatus and its phosphorus removing method, are used for existing municipal sewage plant outlet
The further removal of total phosphorus in water.
To achieve the above object, the application uses following scheme,
A kind of micro- cross-flow dephosphorization apparatus, which is characterized in that include apparatus main body, has,
Level-one coagulation area, it is interior to be configured with level-one agitating device；
Two-stage coagulation area, it is interior to be configured with bur recovery part by being connected to level-one coagulation area；
Settling section is connected to two-stage coagulation area, interior to be configured with micro- cross-flow reaction sphere；
Collection device is configured at the bottom of the settling section；
Bur extraction tube, one end connect the collection device, and the other end connects the bur recovery part, to
The mixture being deposited in the collection device is extracted to bur recovery part, the bur recovery part to by its
The bur of interior adherency dirt is based on gravity and is cleaned, and the bur after cleaning is fallen into two-stage coagulation area,
Wherein, when described device works, sewage to be processed, which flows into, is based on the level-one agitating device in level-one coagulation area
Work carries out coagulation stirring, and the sewage through coagulation stirring is based on gravity gravity flow and enters in two-stage coagulation area, through two-stage coagulation
The sewage of area's stirring flows into settling section, and the water after the reaction of micro- cross-flow component of settling section carries out solid-liquid in inclined tube settling section
Separation, the sewage isolated are discharged, and the bur for the adherency dirt isolated is precipitated to collection device.
Preferably, which is micro- sand, and partial size is between 0.3~0.8mm.The too small clean effect of partial size is weak.
Preferably, which is configured at the middle and upper part in the two-stage coagulation area, it includes inlet portion,
The mixture being deposited in collection device to be evacuated in the ontology of bur recovery part by bur extraction tube；Labyrinth
Formula sand-washing device is located on the downside of bur recovery part ontology, surface configuration lug boss；Outlet portion is washed positioned at labyrinth type
The bottom of sand device crosses it by the bur that labyrinth type sand-washing device cleans and falls into two-stage coagulation area；Sewage draining exit connects blowdown
Pipe, to the dirt discharge that will be removed.
Preferably, the labyrinth type sand-washing device and the angle of two-stage coagulation area bottom plane are more than or equal to 30 °, surface configuration
There is the lug boss that height is identical or height is different.
Preferably, it is configured with transition part 56a between the ontology of the bur recovery part and labyrinth type sand-washing device 51, is in loudspeaker
Shape or funnel-form.
Preferably, inclined tube is configured in the settling section, the angle with horizontal plane is between 45 °~60 °.
The embodiment of the present application also provides a kind of micro- cross-flow phosphorus removing method, which is characterized in that includes above-mentioned apparatus, the method
It comprises the following steps:
S1. sewage to be processed flows into level-one coagulation area and adds phosphorus into level-one coagulation area based on the sewage quantity of inflow and catches
Agent is caught, the first agitating device opened in level-one coagulation area is stirred, to the phosphorus of the phosphorus agent for capturing and sewage/phosphorus pollution
Object carries out coagulation；
S2. enter in two-stage coagulation Qu Bingxiang two-stage coagulation area to add wadding by the sewage self-flowing of level-one coagulation area stirring coagulation
Solidifying agent opens the second agitating device in two-stage coagulation area phosphorus agent for capturing, flocculant, micro- sand and sewage to be sufficiently mixed
It is stirred,
S3. the water by two-stage coagulation area stirring coagulation is from reaction tank is flow to, to the pollutant adherency in enhanced sewage
On micro- sand surface,
S4. sewage is separated in clarifying basin, and isolated liquid water is overflowed by overflow weir, and separation has pollutant
Micro- sand be deposited in the bur collection device of clarifying basin.The implementation method is greater than sewage using the density (specific gravity) of bur
The characteristics of, accelerate clarification to improve the operational efficiency of device.
Preferably, adds 20~50mg/L of its dosage of phosphorus agent for capturing into level-one coagulation area (based on water inlet in the S1
Amount).To guarantee the content of phosphorus agent for capturing in level-one coagulation area in default range.
Preferably, adds flocculant into two-stage coagulation area in the S2, and 0.5~2mg/L of dosage is (mixed based on second level
Water in coagulation zone).To guarantee the content of flocculant in two-stage coagulation area in default range.
Preferably, also comprising the sediment in collection device is evacuated in bur recovery part based on stripping tube after the S4
And removed the pollutant for being adhered to sticker surface based on gravity in it, the bur after removing falls into second level
In coagulating basin.Bur continues to utilize with decontamination in this way.
Beneficial effect
Compared with the existing technology, the application embodiment have the advantages that the application propose device its have land occupation
It is small, it is easy to operate, adaptable, treatment effeciency is high, stable, safe and reliable, low energy consumption, high degree of automation, can run
It is continuous etc..After micro- cross-flow dephosphorization apparatus processing by the application, reduce the total phosphorus content in externally discharged waste water (waste water), for
Protection water body environment has positive meaning.
According to below with reference to the accompanying drawings becoming to detailed description of illustrative embodiments, other feature of the invention and aspect
It is clear.
Detailed description of the invention
Comprising in the description and constitute the attached drawing of part of specification and specification together illustrate it is of the invention
Exemplary embodiment, feature and aspect, and principle for explaining the present invention.
Fig. 1 is micro- cross-flow dephosphorization apparatus structural schematic diagram of one embodiment of the invention；
Fig. 2 is the schematic diagram of bur recovery part in Fig. 1 embodiment；
Fig. 3 is the flow diagram of micro- cross-flow phosphorus removing method of one embodiment of the invention.
Specific embodiment
Below with reference to attached drawing various exemplary embodiments, feature and the aspect that the present invention will be described in detail.It is identical in attached drawing
Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
The application embodiment provides a kind of micro- cross-flow limit dephosphorization apparatus it includes apparatus main body
Level-one coagulation area, two-stage coagulation area are respectively used to phosphor contaminant and phosphorus agent for capturing, flocculant in sewage (sometimes referred to as waste water)
Micro- sand coagulation, bonding；Water of the inclined tube clarifying basin after the reaction of micro- cross-flow component is flowed by the sewage of two-stage coagulation area processing
It is separated by solid-liquid separation in inclined tube settling section, isolated water is discharged, and isolated solid is sink to the bottom of clarifying basin, is filled through air lift
Set the bur recovery part for being promoted to and being configured in two-stage coagulation area, it is washed after bur fallen by gravity to two
In grade coagulation area, bur (preferably, such as the micro- sand of sand/also referred to as) is recycled.In present embodiment, apparatus main body structure
Carbon steel or stainless steel or steel concrete.When device is run, sewage to be processed flows into level-one coagulation area, adds phosphorus into level-one coagulation area
Agent for capturing, flocculant is added in two-stage coagulation area, and bur can be used for depth removal for adhering to phosphor in sewage pollutant in this way
Total phosphorus in being drained outside municipal sewage plant.The device have take up little area, low energy consumption, carrier is can be recycled, treatment effeciency
High, reduction water eutrophication etc..Bur recovery part, using maze-type structure, the in this way energy consumption of reduction device operation.Dress
It sets and adds phosphorus agent for capturing into level-one coagulation tank in the process of running, 20~50mg/L of dosage flocculates in two-stage coagulation slot
Agent, 0.5~2mg/L of dosage.The device of the embodiment feature heavy using the density ratio sewage of bur, at runtime
It is precipitated after phosphorus in adherency sewage, so as to accelerate to clarify and then improve the operational efficiency of device.Below with bur for micro- sand
Also referred to as sand example is described.It can also be other materials.
It is as shown in Figure 1 the dephosphorization apparatus structural schematic diagram of the application embodiment, micro- cross-flow dephosphorization apparatus 100,
It include that level-one coagulation area 3, the level-one agitating device 4 being configured in level-one coagulation area 3, two-stage coagulation area 6, to be configured at second level mixed
Second level agitating device 7 and bur recovery part 5, settling section 12 in coagulation zone 6, the micro- cross-flow being configured in settling section 12 reaction
Ball 11, inclined tube 13, wherein level-one coagulation area 3, two-stage coagulation area 6, are respectively used to phosphor in sewage pollutant and phosphorus agent for capturing, flocculation
Agent and micro- sand coagulation, bonding；When the device works, sewage to be processed is promoted via elevator pump (not shown) passes through level-one coagulation
The water inlet 1 in area 3 enters in level-one coagulation area 3, and adds phosphorus agent for capturing 2, dosage into level-one coagulation area 3 according to inflow
20~50mg/L (is continuously added) by dosing pump, opens the level-one agitating device 4, carries out coagulation stirring, and water passes through gravitational difference
Gravity flow enters two-stage coagulation area 6, flocculant is thrown into two-stage coagulation area 6,0.5~2mg/L of dosage (is continuously thrown by dosing pump
Add) open second level agitating device 7 continuously stirred, such phosphor in sewage pollutant is filled with phosphorus agent for capturing, flocculant and micro- sand
Divide coagulation, bonding, waste water flow by gravity is to being equipped in the reaction tank of micro- cross-flow reaction sphere 11, further by the pollutant in sewage
It is adhered to the surface of micro- sand 10 again, by gravity, in clarifying basin 12, water flow rises to 13 region of inclined tube, carries out
Be separated by solid-liquid separation, the supernatant after separation after weir plate, until outlet pipe 14 be discharged, be stained with pollutant micro- sand 10 be precipitated to it is clear
In the bucket 15 in clear area 12, bur recovery part 5 is pumped it to by sand extraction tube 8, is carried out in bur recovery part 5 micro-
Sand is separated with phosphor contaminant, and micro- sand 10 after separation, which is fallen into two-stage coagulation area 6, to be recycled.Phosphor contaminant separation is collected
After be discharged.In present embodiment, inflow is counted based on flowmeter etc. or based on the water-level gauge statistics being arranged in level-one coagulation area 3
Inflow.In present embodiment, it is also configured with control module, to control level-one/second level agitating device, controls airlift pump
Operation.
In present embodiment, micro- cross-flow reaction sphere, sewage flow through be by baffling reaction can play reinforce phosphor contaminant,
The adhesiving effect of medicament and micro- sand.Micro- cross-flow reaction sphere is according to centainly regularly arranged.In the embodiment, sand is mentioned using gas
It mentions, the sand of the pollution in clarifying basin bucket (also referred to as bur collection device) is promoted in sand-washing device by sand extraction tube, carry out
Continuous washed-out sand, clean sand fall into two-stage coagulation slot and are recycled, dirt outlet.Device is mixed in level-one in the process of running
Phosphorus agent for capturing, 20~50mg/L of dosage, the flocculant in two-stage coagulation slot, 0.5~2mg/L of dosage are added in solidifying slot.
Micro- sand, partial size is between 0.3~0.8mm.
Waste water is sequentially entered first order reaction area (level-one coagulation area), second order reaction area (two-stage coagulation by the effect of gravity plug-flow
Area), substance is sufficiently mixed under stirring with medicament, micro- sand in waste water in one/second order reaction area.
It is illustrated in figure 2 the schematic diagram of internal structure of bur recovery part 5, bur recovery part 5 also referred to as washes husky device,
It is generally disposed in the middle and upper part in two-stage coagulation area, the bur collection device of clarifying basin (settling section) bottom will be deposited in
The dirt removing adhered on micro- sand in (also referred to as bucket), micro- sand after removing, which is fallen into second order reaction area, to be recycled, stripping
From dirt predetermined location is expelled to by pipeline.Mud, water, the sand mixture precipitated in bucket passes through gas stripping by mentioning sand
Pipe 54 is pumped down to 5 ontology of bur recovery part, and by gravity, bur and air are in addendum recovery part (carbonated drink
Separator) ontology 56 in separated, air through hole 55 escape, water, silt particle mixture after separation drop down onto labyrinth type and wash
In sand device 51, by the friction of labyrinth type sand-washing device 51, the pollutant for being adhered to sand surface is peeled off, sand is by gravity
It falls after rise to two-stage coagulation reaction zone.Sand is recycled in this way, and pollutant of removing etc. passes through water outlet 53 (e.g., lock of control valve
Gate-type, specific implementation form is depending on application) flow into sewage pipe 52 be expelled to preset sludge-tank with for further processing.One
In embodiment, the step-like lug boss that the surface configuration of labyrinth type sand-washing device 51 has height identical or highly different, such water,
Silt particle mixture is landed down by gravity, by the effect of lug boss (similar rubbing/extruding) after the process of landing,
The dirt for being adhered to dimension sand surface in this way is stripped out, and micro- sand than great due to dropping down onto two-stage coagulation reaction zone, via stirring
After continue to participate in decontamination processing.Dirt after removing, the small floating of specific gravity, by adjusting water regulating valve door 53 by the dirt of removing
Object, mud are discharged by sewage pipe 52.It is configured with transition part 56a between addendum recovery part ontology and labyrinth type sand-washing device 51, is in
Horn-like or funnel-form is convenient for silt particle mixture being guided to labyrinth type sand-washing device 51 in this way.
In one embodiment, bur recovery part 5 includes inlet portion, collection device to be sunk by sand extraction tube
The mixture in shallow lake is evacuated in bur recovery part ontology, the labyrinth type sand-washing device on the downside of bur recovery part ontology,
Its surface configuration has the lug boss that height is identical or height is different；Outlet portion is located at the bottom of labyrinth type sand-washing device, through labyrinth
(micro- sand) sand of formula sand-washing device cleaning falls into two-stage coagulation area by it；Sewage draining exit connects sewage pipe, it will remove after
Dirt discharge.Preferably, it is also configured with air hole, isolated air is escaped by the hole.
In above embodiment, dephosphorization apparatus is integrated configuration.Implement in embodiment in others, level-one coagulation area,
Two-stage coagulation area, settling section can be that split type configuration can be used in this way by the modular design of mould to existing sewage treatment
Device carries out upgrading, increases certain functional components, without replacing whole device.
In one embodiment, labyrinth type washed-out sand component and the angle of two-stage coagulation area bottom plane are more than or equal to 30 °, folder
When angle is less than 30 °, sand falling speed influences the efficiency of pollutant peeling slowly.
In one embodiment, 51 angle with horizontal plane of labyrinth type sand-washing device is more than or equal to 30 °, when angle is less than 30 °, sand
Falling speed influences the efficiency of pollutant peeling slowly.
In one embodiment, the angle of the inclined tube installation in clarifying basin is between 45 °~60 ° (angles with horizontal plane).
Such setting angle is conducive to be separated by solid-liquid separation.
In one embodiment, sand-washing device uses labyrinth type washed-out sand, will be adhered to sand grain surface by gravity friction in this way
Pollutant fall off.
The application applies example and provides a kind of micro- cross-flow limit dephosphorization apparatus, and dephosphorization process comprises the following steps:
S11. sewage to be processed flows into level-one coagulation area and is mixed in level-one coagulation area with the phosphorus agent for capturing of addition
It is solidifying, (the first agitating device is configured in level-one coagulation area)；
S12. the water through coagulation is from flowing into two-stage coagulation area and in two-stage coagulation area, phosphorus agent for capturing, bur, sewage with
The flocculant of addition is sufficiently mixed, (the second agitating device is configured in two-stage coagulation area)；
S13. well-mixed water is further reacted from the reaction zone equipped with micro- cross-flow reaction sphere is flow to, will be in sewage
Pollutant be adhered to the surface of bur,
S14. the sewage after reaction is separated by solid-liquid separation in clarifying basin, and liquid water is overflowed by overflow weir, separation
The bur with pollutant be deposited in the bucket of clarifying basin, mentioned by air-lift device to the bur in two-stage coagulation area
Recovery part, by the bur recovery part, treated that bur is precipitated in two-stage coagulation area is recycled.The reality
Applying method utilizes the characteristics of density (specific gravity) weight (greater than the density of sewage) of bur, can accelerate to clarify in purification in this way,
Improve the operational efficiency of device.
Below with bur be micro- sand be described the micro- cross-flow limit dephosphorization apparatus dephosphorization process comprise the following steps as
Shown in Fig. 3:
S1. sewage flows into level-one coagulation area, adds phosphorus agent for capturing into level-one coagulation area, opens the in level-one coagulation area
One agitating device is stirred, and phosphorus/phosphor contaminant of such phosphorus agent for capturing and sewage carries out capture coagulation；
S2. enter two-stage coagulation area by the water of stirring coagulation, flocculant is added into two-stage coagulation area, it is mixed to open second level
The second agitating device in coagulation zone is stirred, and such phosphorus agent for capturing, flocculant, micro- sand and sewage are sufficiently mixed,
S3. water is further reacted from the reaction tank equipped with micro- cross-flow reaction sphere is flow to, and the pollutant in sewage is adhered to
On micro- sand surface,
S4. the sewage after reaction is separated by solid-liquid separation in clarifying basin, and liquid water is overflowed by overflow weir, separation
Micro- sand with pollutant is deposited in the bucket of clarifying basin.The implementation method is accelerated clear using the feature of the density weight of micro- sand
The clear operational efficiency for improving device.
Preferably, adds phosphorus agent for capturing, 20~50mg/L of dosage into level-one coagulation area in the S1
Preferably, adds flocculant, 0.5~2mg/L of dosage into two-stage coagulation area in the S2.
It in one embodiment, will also be attached in bucket (also referred to as bur collection device) comprising passing through stripping tube after the S4
There is micro- sand of pollutant to be promoted in sand-washing device, by gravity rubbing action, the pollutant for being adhered to micro- sand surface is washed
It washs, clean sand, which is fallen after rise to two-stage coagulation pond, to be recycled.The sand-washing device samples maze-type structure.Pollutant outlet.Sand-washing device
It configures in the middle and upper part in two-stage coagulation area.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
It cans understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all to lead according to the present invention
The modification for wanting the Spirit Essence of technical solution to be done, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of micro- cross-flow dephosphorization apparatus, which is characterized in that include apparatus main body, has,
Level-one coagulation area, it is interior to be configured with level-one agitating device；
Two-stage coagulation area, it is interior to be configured with bur recovery part by being connected to level-one coagulation area；
Settling section is connected to two-stage coagulation area, interior to be configured with micro- cross-flow reaction sphere；
Collection device is configured at the bottom of the settling section；
Bur extraction tube, one end connect the collection device, and the other end connects the bur recovery part, will sink
The mixture in the collection device of forming sediment is extracted to bur recovery part, and the bur recovery part is to will be in it
The bur of adherency dirt is based on gravity and is cleaned, and the bur after cleaning is fallen into two-stage coagulation area,
Wherein, when described device works, sewage to be processed is flowed into level-one coagulation area and is worked based on the level-one agitating device
Coagulation stirring is carried out, the sewage through coagulation stirring is based on gravity gravity flow and enters in two-stage coagulation area, stirs through two-stage coagulation area
The sewage mixed flows into settling section, and the water after the reaction of micro- cross-flow component of settling section carries out solid-liquid point in inclined tube settling section
From the sewage isolated is discharged, and the bur for the adherency dirt isolated is precipitated to collection device.
2. dephosphorization apparatus as described in claim 1, which is characterized in that the bur is micro- sand, partial size between 0.3~
0.8mm。
3. dephosphorization apparatus as described in claim 1, which is characterized in that the stirring bur recovery part is configured at described two
The middle and upper part in grade coagulation area, it includes inlet portions, to the mixture that will be deposited in collection device by bur extraction tube
It is evacuated in the ontology of bur recovery part；Labyrinth type sand-washing device is located on the downside of bur recovery part ontology, and surface is matched
Set lug boss；Outlet portion is located at the bottom of labyrinth type sand-washing device, crosses it by the bur that labyrinth type sand-washing device cleans and falls into
Two-stage coagulation area；Sewage draining exit connects sewage pipe, to the dirt discharge that will be removed.
4. dephosphorization apparatus as claimed in claim 3, which is characterized in that the labyrinth type sand-washing device and two-stage coagulation area bottom are flat
The angle in face is more than or equal to 30 °, and surface configuration has the lug boss that height is identical or height is different.
5. dephosphorization apparatus as claimed in claim 3, which is characterized in that the ontology of the bur recovery part is washed with labyrinth type
It is configured with transition part between sand device, is in horn-like or funnel-form.
6. dephosphorization apparatus as described in claim 1, which is characterized in that inclined tube is configured in the settling section, with horizontal plane
Angle between 45 °~60 °.
7. a kind of micro- cross-flow phosphorus removing method, which is characterized in that described comprising such as device of any of claims 1-6
Method comprises the following steps:
S1. sewage to be processed is flowed into level-one coagulation area and is added phosphorus capture into level-one coagulation area based on the sewage quantity of inflow
Agent, the first agitating device opened in level-one coagulation area are stirred, phosphorus/phosphor contaminant to the phosphorus agent for capturing and sewage
Carry out coagulation；
S2. enter in two-stage coagulation Qu Bingxiang two-stage coagulation area to add flocculation by the sewage self-flowing of level-one coagulation area stirring coagulation
Agent opens the second agitating device in two-stage coagulation area phosphorus agent for capturing, flocculant, bur and sewage to be sufficiently mixed
It is stirred,
S3. it is adhered to from reaction tank is flow to the pollutant in enhanced sewage viscous by the water of two-stage coagulation area stirring coagulation
Addendum surface,
S4. sewage is separated in clarifying basin, and isolated liquid water is overflowed by overflow weir, the gluing with pollutant of separation
Addendum is deposited in the collection device of clarifying basin.
8. the method for claim 7, which is characterized in that in the S1 added into level-one coagulation area phosphorus agent for capturing its
Dosage is 20~50mg/L.
9. the method for claim 7, which is characterized in that adds flocculant into two-stage coagulation area in the S2, throws
Dosage is 0.5~2mg/L.
10. the method for claim 7, which is characterized in that will also be in collection device comprising being based on stripping tube after the S4
Sediment be evacuated in bur recovery part and in it based on gravity will be adhered to the pollutant of sticker surface into
Row removing, the bur after removing are fallen into two-stage coagulation pond.
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| CN201910647361.8A CN110510770A (en) | 2019-07-17 | 2019-07-17 | A kind of micro- cross-flow dephosphorization apparatus and its phosphorus removing method |
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| CN114907004A (en) * | 2022-04-06 | 2022-08-16 | 安徽科技学院 | Follow-on mud vacuum dehydration device |
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Country or region after: China Address after: Floor 4, block a, Oriental fisherman's Wharf, 1088 Yangshupu Road, Yangpu District, Shanghai 200082 Applicant after: Mai Wang Environmental Technology Co.,Ltd. Address before: Floor 4, block a, Oriental fisherman's Wharf, 1088 Yangshupu Road, Yangpu District, Shanghai 200082 Applicant before: MCWONG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Country or region before: China |