CN102153215A - Water purification system and water purification method for inclined tube floating sedimentation tank - Google Patents
Water purification system and water purification method for inclined tube floating sedimentation tank Download PDFInfo
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- CN102153215A CN102153215A CN 201110022342 CN201110022342A CN102153215A CN 102153215 A CN102153215 A CN 102153215A CN 201110022342 CN201110022342 CN 201110022342 CN 201110022342 A CN201110022342 A CN 201110022342A CN 102153215 A CN102153215 A CN 102153215A
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Abstract
The invention discloses a water purification system and a water purification method for an inclined tube floating sedimentation tank. The bottom of a flocculating chamber is communicated with the bottom of an air flotation contact chamber, the bottom of the air flotation contact chamber is provided with a water inlet of a sedimentation water distribution area, a gate plate is arranged at the water inlet, an inclined tube sedimentation area is positioned above the sedimentation water distribution area, an air flotation separation chamber is positioned above the inclined tube sedimentation area, and the inclined tube sedimentation area is communicated with the sedimentation water distribution area and the air flotation separation chamber. The water purification method comprises the following steps of: (1) adjusting the state of each tube orifice of the water purification system; (2) mixing raw water and a coagulant; (3) performing flocculation; (4) performing air flotation contact; and (5) performing air flotation separation and sedimentation to obtain purified water. When an air flotation and sedimentation combined process and a single sedimentation process are operated, the converting operation of the two processes is simple. By selecting different operating units for water of a yellow water introduction reservoir according to the water quality, the water temperature and the water quantity changed with season and climate, the effect of double results with half work can be achieved.
Description
Technical field
The present invention relates to a kind of water conditioning system and treatment process, particularly a kind ofly draw yellow reservoir water floating depositing pool water cleaning systems and process for purifying water at area, downstream, the Yellow River.
Background technology
The Yellow River downstream water is seriously polluted, and high algae, high organism are the general character quality problems that draws yellow reservoir water.Follow " drinking water sanitary standard " (GB5749-2006) mandatory enforcement, common process backward in technique, that facility is outmoded has been difficult to tackle serious pollution of waterhead and high-quality drinking-water quality requirement.At the water quality characteristics that draws yellow reservoir water,, do not realize satisfactory results though proposed all measures that improves conventional water treatment process.In the conventional drinking water treatment technology, the scope that advection and tube settler are handled turbidity is bigger, but handles low temperature and low turbidity water and the poor effect of removing algae, colourity; Air supporting adheres to flco by microbubble and floats to liquid level and reach removal effect, and the particle diameter that can remove floc particle is between 10～30 μ m, but when the source water turbidity was higher, air-float technology can not well guarantee effluent quality.At drawing yellow reservoir water with season or climate change temperature, turbidity and algae content height alternative situation, merge air supporting and sedimentary advantage, invent novel inclined tube floating pool process, the change of water quality of yellow reservoir water is drawn in reply, guarantees good treatment effect.
The type of floating depositing pool mainly contains the flat flow floating depositing pool, lateral flow inclined plate floating depositing pool, continous way floating depositing pool etc. at present.The flat flow floating depositing pool is to transform to produce on the horizontal sedimentation tank basis, sets up the air supporting facility at the end of horizontal flow basin, to realize air supporting and sedimentary combination.Horizontal sedimentation tank has high treating effect, but the pneumatically supported typing operation of first post precipitation is difficult to tackle change of water quality, the good binding of failing air supporting and sedimentary processing advantage, and energy consumption is big.The lateral flow inclined plate floating depositing pool realizes air supporting and two kinds of treatment function of precipitation, but be prone to " alumen ustum " phenomenon, and sludge discharge effects is poor air supporting and precipitation two process form combinations.In addition, because air supporting requires the pond body length different with sloping plate deposition, force floating depositing pool to adjust size to satisfy the air supporting requirement at first.Continous way floating depositing pool (" a kind of novel floating depositing pool " patent No.: 200710039884) adopt double-deck combination to arrange, with mixing, flocculation, precipitation, air-float technology combination, adopt the pneumatically supported technology of first post precipitation or single sedimentary technology, the effective former water that changes of water quality treatment, but when single depositing technology, dissolved air release need be taken out, flow otherwise can influence former water, reduce sedimentation effect, different technology conversion operations troubles.
Summary of the invention
The problem to be solved in the present invention is: a kind of inclined tube floating pond water cleaning systems is provided, make it can carry out air supporting precipitation combined process and single depositing technology, and two kinds of technology conversion operations is simple, the present invention also provides a kind of process for purifying water that adopts aforementioned water cleaning systems.
For addressing the above problem, the present invention includes floating depositing pool and molten gas generating unit, described floating depositing pool comprises mixing pit, the flocculating chamber, contact chamber, air flotation separating chamber, tube settling district and precipitation cloth pool, the top of mixing pit and the top of flocculating chamber are communicated with, the bottom of flocculating chamber is communicated with the bottom of contact chamber, the bottom of contact chamber is provided with the water-in in precipitation cloth pool, water-in is provided with flashboard, the tube settling district is positioned at the top in precipitation cloth pool, air flotation separating chamber is positioned at the top of tube settling position, the tube settling district is communicated with precipitation gentle floating separate chamber, cloth pool, the top at air flotation separating chamber top is provided with slag scraper, the outside at air flotation separating chamber top is provided with the scum silica frost groove, the scum silica frost groove outside is provided with the precipitation water leg that separates by overflow weir with the scum silica frost groove, the top and the precipitation water leg in precipitation cloth pool are equipped with water outlet, the top of contact chamber is communicated with air flotation separating chamber, former water water inlet pipe is connected with the bottom of mixing pit, former water water inlet pipe is provided with chemicals dosing plant, and the dissolved air release of molten gas generating unit is arranged on the middle part of contact chamber.
The long-width ratio of described contact chamber is 16:3, and flocculating chamber, contact chamber, air flotation separating chamber are with long, and the width of flocculating chamber, contact chamber, air flotation separating chamber is than being 4.7:1:8.Contact chamber is aforementioned long and narrow space, and air flotation effect is good, under less dissolved air water reflux ratio condition, just can realize the effect that combines of higher little flocs unit with bubble, and air flotation effect is good.
In order to make molten gas generating unit simple in structure, described molten gas generating unit comprises air compressor machine, dissolving, fresh water pump, water tank and described dissolved air release, air compressor machine connects the dissolving inlet mouth, water tank connects the dissolving water-in by fresh water pump, and the molten gas outlet of dissolving connects dissolved air release.
For current can be flowed to the middle part of air flotation separating chamber after entering air flotation separating chamber, be convenient to the come-up of impurity, described contact chamber is that the side at the contiguous air flotation separating chamber of flocculating chamber is separated out the space with baffle plate, and the top of baffle plate tilts to the middle part of air flotation separating chamber.
For the ease of the opening and closing flashboard, the both sides that are positioned at water-in on the described baffle plate are fixed with chute, flashboard is located in the chute, be fixed with nut on the flashboard, be connected with screw rod on the nut, the upper end of screw rod reaches on the end face of floating depositing pool, and the top of screw rod and floating depositing pool is rotatably connected, and is fixed with handle on the upper end of screw rod.
In order to prevent that current enter the scum silica frost groove when scraping slag, the inwall of described scum silica frost groove be provided with downward-sloping extend into dissolved air flotation indoor hold back plate, the lower end of holding back plate is lower than the dreg scraper of slag scraper.
A kind of inclined tube floating pond process for purifying water that adopts above-mentioned inclined tube floating pond water cleaning systems comprises the steps: that (1) close flashboard, and the water-in in precipitation cloth pool is closed, and opens the water outlet in precipitation cloth pool; (2) introduce Yellow River Reservoir water to mixing pit, and add coagulating agent from former water water inlet pipe, stirring makes former water and coagulating agent mix at mixing pit; (3) former water enters the flocculating chamber, stirring makes former water form little flocs unit, flow into contact chamber again, (4) feed dissolved air water to contact chamber, and the dissolved air water reflux ratio is 8-9%, former water in making progress flow process, is mixed with dissolved air water contact chamber, and flowing into air flotation separating chamber, scum silica frost is formed at (5) air flotation separating chamber top, and scum silica frost is scraped into the scum silica frost groove, the water of air flotation separating chamber bottom enters tube settling district precipitation, and water purification flows out from the water outlet in precipitation cloth pool.
A kind of inclined tube floating pond process for purifying water that adopts above-mentioned inclined tube floating pond water cleaning systems comprises the steps: that (1) open flashboard, and the water-in in precipitation cloth pool is opened wide, and opens the water outlet of precipitation water leg, closes the water outlet in precipitation cloth pool; (2) introduce Yellow River Reservoir water to mixing pit, and add coagulating agent from former water water inlet pipe, stirring makes former water and coagulating agent mix at mixing pit; (3) former water enters the flocculating chamber, stirring makes former water form little flocs unit, flow into contact chamber again, (4) make former water flow into precipitation cloth pool from the bottom of contact chamber, (5) former water upwards flow into tube settling district precipitation from precipitation cloth pool, upwards flow into air flotation separating chamber again through water purification behind the tube settling district and enter the precipitation water leg, water purification is flowed out by the water outlet of precipitation water leg.
Beneficial effect of the present invention: the top of contact chamber of the present invention is communicated with air flotation separating chamber, the bottom of contact chamber is communicated with precipitation cloth pool by flashboard, when operation air supporting and precipitation combined process, close flashboard, when the single depositing technology of operation, open flashboard, current only flow through from the bottom of contact chamber, dissolved air release can not hinder flowing of current, does not need to take out dissolved air release, and two kinds of technology conversion operations are simple.And contact chamber adopts special long and narrow pond type, can effectively improve air flotation effect, reduces the dissolved air water consumption.The present invention can select different operation unit at drawing the water quality of yellow reservoir water with season, climate change, water temperature, the water yield, has changed that ordinary method technology is single, the unsettled drawback of treatment effect, has reached the effect of getting twice the result with half the effort.When adopting air-float technology, used the synergy of air supporting and inclined tube.The synergy of scum silica frost groove and water leg has been avoided " race alumen ustum " phenomenon etc.
Description of drawings
Fig. 1 is the schema of water cleaning systems of the present invention; Fig. 2 is an A partial enlarged drawing among Fig. 1; Fig. 3 is a B partial enlarged drawing among Fig. 1.
Among the figure: 1, air compressor machine, 2, dissolving, 3, chemicals dosing plant, 4, former water water inlet pipe, 5, mixing pit, 6, the whipping appts I, 7, the flocculating chamber, 8, the whipping appts II, 9, handle, 10, slag scraper, 11, the scum silica frost groove, 12, the precipitation water leg, 13, be settled out the mouth of a river, 14, screw rod, 15, air flotation separating chamber, 16, baffle plate, 17, dissolved air release, 18, the tube settling district, 19, the air supporting water outlet, 20, contact chamber, 21, precipitation cloth pool, 22, sludge bucket, 23, water tank, 24, fresh water pump, 25, hold back plate, 26, dreg scraper, 27, overflow weir, 28, chute, 29, nut, 30, flashboard, 31, water-in.
Embodiment
Specific embodiment one
A kind of floating depositing pool water cleaning systems as shown in Figure 1, it comprises floating depositing pool and molten gas generating unit, floating depositing pool comprises mixing pit 5, flocculating chamber 7, contact chamber 20, air flotation separating chamber 15, tube settling district 18 and precipitation cloth pool 21, be provided with whipping appts I 6 in the mixing pit 5, whipping appts I 6 adopts paddle board formula agitator, be provided with whipping appts II 8 in the flocculating chamber 7, whipping appts II 8 adopts paddle board formula agitator.The blade of different radii is installed at the different heights place of stir shaft, and the stir shaft that rotates with constant speed drives the blade of different radii, makes the current stirring intensity difference of different heights in the flocculation basin, and flocculating effect is better.Mixing pit 5, flocculating chamber 7 and air flotation separating chamber 15 are from left to right arranged successively, the top of the top of mixing pit 5 and flocculating chamber 7 is communicated with, air flotation separating chamber 15 is positioned at the top in tube settling district 18, tube settling district 18 is positioned at the top in precipitation cloth pool 21, the bottom in precipitation cloth pool 21 is provided with sludge bucket 22, and sludge bucket 22 is connected with the mud discharging pipe of band valve.
The bottom of contact chamber 20 is communicated with the bottom of flocculating chamber 7, the top of contact chamber 20 is communicated with the middle part of air flotation separating chamber 15, the main body of baffle plate 16 vertically is provided with, the upper end of baffle plate 16 is centroclinal to air flotation separating chamber 15, former water water inlet pipe 4 is connected with the bottom of mixing pit 5, former water water inlet pipe 4 is provided with chemicals dosing plant 3, be used for dosing coagulant, as depicted in figs. 1 and 2, the outside at air flotation separating chamber 15 tops is provided with scum silica frost groove 11, scum silica frost groove 11 outsides are provided with precipitation water leg 12, precipitation water leg 12 is provided with and is settled out the mouth of a river 13, be overflow weir 27 between scum silica frost groove 11 and the precipitation water leg 12, the inwall of scum silica frost groove 11 be provided with downward-sloping extend into air flotation separating chamber 15 interior hold back plate 25, the lower end of holding back plate 25 is lower than the dreg scraper 26 of slag scraper 10, and the top in precipitation cloth pool 21 is provided with air supporting water outlet 19.
Molten gas generating unit comprises air compressor machine 1, dissolving 2, fresh water pump 24, water tank 23 and dissolved air release 17, dissolved air release 17 is arranged on the middle part of contact chamber 20, air compressor machine 1 connects the inlet mouth of dissolving 2, the water outlet of water tank 23 is by the water-in of fresh water pump 24 connection dissolvings 2, and the dissolved air water outlet of dissolving 2 connects dissolved air release 17.
Adopt the floating depositing pool process for purifying water of above-mentioned floating depositing pool water cleaning systems to comprise the steps: that (1) close flashboard 30, the water-in 31 in precipitation cloth pool is closed, open air supporting water outlet 19; (2) introduce Yellow River Reservoir water to mixing pit 5, flooding velocity is 5m
3/ h, and from former water water inlet pipe 4 adding coagulating agent, stirring makes former water and coagulating agent mix at mixing pit, stirring velocity 50r/min, hydraulic detention time 2min; (3) former water enters flocculating chamber 7, stirs to make former water form little flocs unit stirring velocity 15r/min, hydraulic detention time 2min; Flow into contact chamber 20 again; (4) feed dissolved air water to contact chamber 20, the dissolved air water reflux ratio is 15%, dissolved air water pressure 0.4MPa, former water is upwards mixed with dissolved air water in the flow process at contact chamber 20, and flowing into air flotation separating chamber 15, scum silica frost is formed at (5) air flotation separating chamber 15 tops, and scum silica frost is scraped into scum silica frost groove 11, the water of air flotation separating chamber 15 bottoms enters tube settling district 18 precipitations, and water purification is discharged from air supporting water outlet 19.
Specific embodiment two
The inclined tube floating pond water cleaning systems of inclined tube floating pond water cleaning systems of this specific embodiment and specific embodiment one is basic identical, just have following special the qualification: the long-width ratio of contact chamber is 16:3, flocculating chamber, contact chamber, air flotation separating chamber are with long, and the width of flocculating chamber, contact chamber, air flotation separating chamber is than being 4.7:1:8.
This process for purifying water is with the difference of specific embodiment one process for purifying water: the dissolved air water reflux ratio is 8%.
Specific embodiment three
The inclined tube floating pond water cleaning systems of this specific embodiment is identical with the inclined tube floating pond water cleaning systems of specific embodiment two.
This process for purifying water is with the difference of specific embodiment two process for purifying water: the dissolved air water reflux ratio is 8.5%.
Specific embodiment four
The inclined tube floating pond water cleaning systems of this specific embodiment is identical with the inclined tube floating pond water cleaning systems of specific embodiment two.
This process for purifying water is with the difference of specific embodiment two process for purifying water: the dissolved air water reflux ratio is 9%.
Specific embodiment five
The inclined tube floating pond water cleaning systems of this specific embodiment is identical with the inclined tube floating pond water cleaning systems of specific embodiment two.
This process for purifying water is with the difference of specific embodiment two process for purifying water: the dissolved air water reflux ratio is 10%.
Specific embodiment six
The inclined tube floating pond water cleaning systems of this specific embodiment is identical with the inclined tube floating pond water cleaning systems of specific embodiment two.
This process for purifying water is with the difference of specific embodiment two process for purifying water: the dissolved air water reflux ratio is 15%.
Specific embodiment seven
The inclined tube floating pond water cleaning systems of this specific embodiment is identical with the inclined tube floating pond water cleaning systems of specific embodiment two.
This process for purifying water comprises the steps: that (1) open flashboard 30, and the water-in 31 in precipitation cloth pool is opened wide, and opens and is settled out the mouth of a river 13, closes air supporting water outlet 19; (2) introduce Yellow River Reservoir water to mixing pit 5, flooding velocity is 5m
3/ h, and from former water water inlet 4 pipe adding coagulating agent, stirring makes former water and coagulating agent mix stirring velocity 50r/min, hydraulic detention time 2min at mixing pit 5; (3) former water enters flocculating chamber 7, stirs to make former water form little flocs unit stirring velocity 50r/min, hydraulic detention time 2min; Flow into contact chamber 20 again; (4) make former water flow into precipitation cloth pool 21 from the bottom of contact chamber 20, (5) former water upwards flow into tube settling district 18 precipitations from precipitation cloth pool 21, water purification upwards flows into air flotation separating chamber 15 again and covers scum silica frost groove 11 and overflow weir 27 enters precipitation water leg 12, and water purification is discharged by being settled out the mouth of a river 13.
Following is the water treatment effect table of above-mentioned seven kinds of specific embodiments
Table 1(example one)
| Project | Turbidity (NTU) | Chlorophyll a (mg/L) | COD Mn(mg/L) | UV 254(cm -1) | NH 3-N(mg/L) |
| Water quality before handling | 3.0 | 13.5 | 3.0 | 0.038 | 0.28 |
| Handle back water quality | 0.9 | 4.7 | 2.5 | 0.030 | 0.17 |
| Clearance | 70% | 65% | 17% | 21% | 39% |
Table 2(example two)
| Project | Turbidity (NTU) | Chlorophyll a (mg/L) | COD Mn(mg/L) | UV 254(cm -1) | NH 3-N(mg/L) |
| Water quality before handling | 3.0 | 13.5 | 3.0 | 0.038 | 0.28 |
| Handle back water quality | 0.6 | 3.1 | 2.1 | 0.025 | 0.14 |
| Clearance | 80% | 77% | 30% | 34% | 50% |
Table 3(example three)
| Project | Turbidity (NTU) | Chlorophyll a (mg/L) | COD Mn(mg/L) | UV 254(cm -1) | NH 3-N(mg/L) |
| Water quality before handling | 3.0 | 13.5 | 3.0 | 0.038 | 0.28 |
| Handle back water quality | 0.6 | 3.3 | 2.0 | 0.026 | 0.15 |
| Clearance | 80% | 76% | 33% | 32% | 46% |
Table 4(example four)
| Project | Turbidity (NTU) | Chlorophyll a (mg/L) | COD Mn(mg/L) | UV 254(cm -1) | NH 3-N(mg/L) |
| Water quality before handling | 3.0 | 13.5 | 3.0 | 0.038 | 0.28 |
| Handle back water quality | 0.5 | 3.4 | 1.9 | 0.026 | 0.15 |
| Clearance | 83% | 75% | 37% | 32% | 46% |
Table 5(example five)
| Project | Turbidity (NTU) | Chlorophyll a (mg/L) | COD Mn(mg/L) | UV 254(cm -1) | NH 3-N(mg/L) |
| Water quality before handling | 3.0 | 13.5 | 3.0 | 0.038 | 0.28 |
| Handle back water quality | 0.8 | 4.6 | 2.4 | 0.029 | 0.17 |
| Clearance | 73% | 66% | 20% | 24% | 39% |
Table 6(example six)
| Project | Turbidity (NTU) | Chlorophyll a (mg/L) | COD Mn(mg/L) | UV 254(cm -1) | NH 3-N(mg/L) |
| Water quality before handling | 3.0 | 13.5 | 3.0 | 0.038 | 0.28 |
| Handle back water quality | 0.8 | 4.5 | 2.3 | 0.029 | 0.16 |
| Clearance | 73% | 67% | 23% | 24% | 43% |
Table 7(example seven)
| Project | Turbidity (NTU) | Chlorophyll a (mg/L) | COD Mn(mg/L) | UV 254(cm -1) | NH 3-N(mg/L) |
| Water quality before handling | 3.0 | 13.5 | 3.0 | 0.038 | 0.28 |
| Handle back water quality | 1.2 | 6.2 | 2.6 | 0.032 | 0.21 |
| Clearance | 60% | 54% | 13% | 16% | 25% |
Can find out by above-mentioned table, the collaborative water treatment effect of air supporting and tube settling (example one-example six) is significantly better than monocline pipe precipitation (example seven), in the collaborative water conditioning of air supporting and tube settling, long and narrow contact chamber (example two-example six) water treatment effect is better than common contact chamber water treatment effect (example one).And, adopt long and narrow contact chamber, make the dissolved air water reflux ratio not be the bigger the better, but the dissolved air water reflux ratio can obtain best effect when 8%-9%.
Claims (8)
1. inclined tube floating pond water cleaning systems, comprise floating depositing pool and molten gas generating unit, it is characterized in that: described floating depositing pool comprises mixing pit, the flocculating chamber, contact chamber, air flotation separating chamber, tube settling district and precipitation cloth pool, the top of mixing pit and the top of flocculating chamber are communicated with, the bottom of flocculating chamber is communicated with the bottom of contact chamber, the bottom of contact chamber is provided with the water-in in precipitation cloth pool, water-in is provided with flashboard, the tube settling district is positioned at the top in precipitation cloth pool, air flotation separating chamber is positioned at the top of tube settling position, the tube settling district is communicated with precipitation gentle floating separate chamber, cloth pool, the top at air flotation separating chamber top is provided with slag scraper, the outside at air flotation separating chamber top is provided with the scum silica frost groove, the scum silica frost groove outside is provided with the precipitation water leg that separates by overflow weir with the scum silica frost groove, the top and the precipitation water leg in precipitation cloth pool are equipped with water outlet, the top of contact chamber is communicated with air flotation separating chamber, former water water inlet pipe is connected with the bottom of mixing pit, former water water inlet pipe is provided with chemicals dosing plant, and the dissolved air release of molten gas generating unit is arranged on the middle part of contact chamber.
2. water cleaning systems according to claim 1, it is characterized in that: the long-width ratio of described contact chamber is 16:3, flocculating chamber, contact chamber, air flotation separating chamber are with long, and the width of flocculating chamber, contact chamber, air flotation separating chamber is than being 4.7:1:8.
3. water cleaning systems according to claim 1 and 2, it is characterized in that: described molten gas generating unit comprises air compressor machine, dissolving, fresh water pump, water tank and described dissolved air release, air compressor machine connects the dissolving inlet mouth, water tank connects the dissolving water-in by fresh water pump, and the molten gas outlet of dissolving connects dissolved air release.
4. water cleaning systems according to claim 1 and 2 is characterized in that: described contact chamber is that the side at the contiguous air flotation separating chamber of flocculating chamber is separated out the space with baffle plate, and the top of baffle plate tilts to the middle part of air flotation separating chamber.
5. water cleaning systems according to claim 1 and 2, it is characterized in that: the both sides that are positioned at water-in on the described baffle plate are fixed with chute, flashboard is located in the chute, be fixed with nut on the flashboard, be connected with screw rod on the nut, the upper end of screw rod reaches on the end face of floating depositing pool, and the top of screw rod and floating depositing pool is rotatably connected, and is fixed with handle on the upper end of screw rod.
6. water cleaning systems according to claim 1 and 2 is characterized in that: the inwall of described scum silica frost groove be provided with downward-sloping extend into dissolved air flotation indoor hold back plate, the lower end of holding back plate is lower than the dreg scraper of slag scraper.
7. one kind is adopted the inclined tube floating pond process for purifying water of inclined tube floating pond water cleaning systems as claimed in claim 1 or 2, it is characterized in that: comprise the steps: that (1) close flashboard, the water-in in precipitation cloth pool is closed, open the water outlet in precipitation cloth pool; (2) introduce Yellow River Reservoir water to mixing pit, and add coagulating agent from former water water inlet pipe, stirring makes former water and coagulating agent mix at mixing pit; (3) former water enters the flocculating chamber, stirring makes former water form little flocs unit, flow into contact chamber again, (4) feed dissolved air water to contact chamber, and the dissolved air water reflux ratio is 8-9%, former water in making progress flow process, is mixed with dissolved air water contact chamber, and flowing into air flotation separating chamber, scum silica frost is formed at (5) air flotation separating chamber top, and scum silica frost is scraped into the scum silica frost groove, the water of air flotation separating chamber bottom enters tube settling district precipitation, and water purification flows out from the water outlet in precipitation cloth pool.
8. one kind is adopted the inclined tube floating pond process for purifying water of inclined tube floating pond water cleaning systems as claimed in claim 1 or 2, it is characterized in that: comprise the steps: that (1) open flashboard, the water-in in precipitation cloth pool is opened wide, open the water outlet of precipitation water leg, close the water outlet in precipitation cloth pool; (2) introduce Yellow River Reservoir water to mixing pit, and add coagulating agent from former water water inlet pipe, stirring makes former water and coagulating agent mix at mixing pit; (3) former water enters the flocculating chamber, stirring makes former water form little flocs unit, flow into contact chamber again, (4) make former water flow into precipitation cloth pool from the bottom of contact chamber, (5) former water upwards flow into tube settling district precipitation from precipitation cloth pool, upwards flow into air flotation separating chamber again through water purification behind the tube settling district and enter the precipitation water leg, water purification is flowed out by the water outlet of precipitation water leg.
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| CN103058415A (en) * | 2013-01-11 | 2013-04-24 | 无锡市格润环保钢业有限公司 | RG-type vertical sedimentation and air-floatation integration water purifier |
| CN103466737A (en) * | 2013-09-10 | 2013-12-25 | 常熟市新晨机械厂 | Floatation equipment |
| CN104310554A (en) * | 2014-11-05 | 2015-01-28 | 扬州大学 | Novel micro-nano bubble flocculation-air floatation process |
| CN105502549A (en) * | 2016-01-21 | 2016-04-20 | 山东建筑大学 | Copolymerization flotation-sedimentation tank and water purification method |
| CN106477791A (en) * | 2016-12-09 | 2017-03-08 | 宜兴市苏嘉环保设备有限公司 | Light Fenton air-floating apparatus |
| CN110642408A (en) * | 2019-10-22 | 2020-01-03 | 新乡市绿丰环保工程有限公司 | Combined slaughter wastewater pretreatment device and operation method thereof |
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