CN103193359A - Deposition and biological filter combined water purification system and water purification method thereof - Google Patents
Deposition and biological filter combined water purification system and water purification method thereof Download PDFInfo
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- CN103193359A CN103193359A CN2012100040461A CN201210004046A CN103193359A CN 103193359 A CN103193359 A CN 103193359A CN 2012100040461 A CN2012100040461 A CN 2012100040461A CN 201210004046 A CN201210004046 A CN 201210004046A CN 103193359 A CN103193359 A CN 103193359A
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Abstract
The invention discloses a deposition and biological filter combined water purification system and a water purification method thereof. The deposition and biological filter combined water purification system is characterized in that a deposition pool is positioned in an biological aerated filter, the deposition pool is connected with the biological aerated filter in an overflow mode, the bottom of the biological aerated filter is connected with an aeration device, and a raw water inlet tube is provided with a dosing device. The water purification method comprises the following steps: 1, mixing raw water with a coagulant through a static mixer; 2, flocculating; 3, depositing; and 4, filtering, biologically processing, and discharging purified water. In the deposition and biological filter combined water purification system, the deposition portion and the biological aerated filter are mutually independent, all phases in the water processing process do not influence each other, and preset processing effects of all the phases can be reached under the synergistic effect of deposition, filtration and organisms, and the discharged water quality is stable.
Description
Technical field
The present invention relates to the collaborative biological filter composition type clear water system of a kind of precipitation and process for purifying water, can be used for water cleaning systems and the process for purifying water of domestic sewage treating.
Background technology
The land resources day in city is becoming tight, and the land used of municipal sewage plant is received control.Therefore it is little to build floor space, and the novel sewage disposal technology that processing efficiency is high is fit to China's national situation, is the emphasis of sewage disposal research, and the reparation that promotes water surrounding is had important practical significance.
BAF is a kind of form that is developed out by ordinary biofilter, and it integrates holding back of suspended substance and bio-oxidation, and it is little to have floor space, effluent quality is good, advantages such as no sludge bulking, but the SS of water inlet is required relatively strictness, therefore need carry out pre-treatment to water.
The phosphor in sewage nutrition content increases, and be disposed to natural water after the sewage disposal and still contain a large amount of phosphorus, be the major cause that causes eutrophication.From present research as can be known, adopt the BAF phosphor-removing effect relatively poor merely, must adopt the effective chemical reinforced phosphor-removing.The objective of the invention is to solve the problem that above-mentioned BAF exists, the collaborative biological filter composition type clear water system of a kind of precipitation and process for purifying water are provided.
Summary of the invention
For addressing the above problem, the present invention includes the precipitation BAF, coagulation device, molten air chamber.Described precipitation BAF comprises settling tank and BAF, settling tank is positioned at BAF inside, top is connected, water after the precipitation process enters BAF by overflow from settling tank top, the BAF current are down to stream, the bottom, filter tank is connected with molten air chamber, and former water water inlet pipe is connected with the top of settling tank, and former water water inlet pipe is provided with coagulation device.
Described settling tank is vertical-flow, and outer wall is cylinder shape, and BAF is built in its outside for cylinder shape, and the outer wall of settling tank is as the inwall in filter tank, UNICOM not mutually, and to the filter tank, do not disturb mutually by the operation in two ponds by the top overflow for settling tank water, stable.
Described settling tank and BAF are cylinder shape, and the internal diameter ratio is 1: 3, and because settling tank places BAF inside, actual effective surface area ratio is 1: 8, and settling tank is identical with the BAF height.
Described coagulation device is tubular static mixer, be located on the former water water inlet pipe, be used for adding of coagulating agent, simple in structure, volume is small and exquisite, do not need special occupied ground, install easily, less investment, long service life, mixing efficiency height, reaching moment mixes the purpose of saving the energy.
Described molten air chamber comprises gas generating unit air compressor, aeration head.Air compressor connects the aeration tube of vessel, and aeration tube links to each other with aeration head, can be good at guaranteeing that water oxygen gas content is not less than 2mg/l, for the microbiological deterioration organism provides sufficient oxygen.
A kind of process for purifying water that adopts the collaborative biological filter composition type clear water system of above-mentioned precipitation comprises the steps: (1) to water collecting basin introducing sewage, and adds coagulating agent at former water water inlet pipe, by tubular static mixer sewage is mixed fully with coagulating agent; (2) water after the dosing enters settling tank through water inlet pipe, and the flco that forms at static mixer precipitates at this, removes part pollutent and most of phosphorus; (3) water of post precipitation flows into BAF, and current are following to the streamed filter tank of flowing through; (4) feed pressurized air to molten air chamber, the air water volume ratio is 1: 1; (5) mud of settling tank bottom enters sludge thickener, and the water after the filtration is discharged from the water purification rising pipe; (6) operation is carried out back flushing to BAF after for some time, first air purge 5 minutes, and air water is united and is washed 3 minutes then, washes 10 minutes again.
Beneficial effect of the present invention: a kind of settling tank and BAF that precipitates collaborative biological filter composition type clear water system is separate, each stage of water conditioning can finish in relative position, and compact construction of the present invention, modular construction is convenient to the later stage reorganization and expansion, and equipment production, also can be used for the less factory and enterprise of sewage quantity.By physics, chemistry and the biological treatment to sewage, reach the purpose of sewage purification, satisfy the requirement of denitrogenation dephosphorizing simultaneously, help to protect environment, economize on resources.
Description of drawings
Fig. 1 precipitates the schema of collaborative biological filter composition type clear water system for the present invention is a kind of; Fig. 2 is A-A sectional view of the present invention, is described further in conjunction with this figure.
Accompanying drawing 1 is schematic flow sheet of the present invention; Fig. 2 is A-A sectional view of the present invention.
Among Fig. 1: 1 water collecting basin, 2 sump pumps, 3 waste pipes, 4 static mixers, 5 settling tanks, 6 BAF, 7 fillers, 8 supporting layers, 9 water purification rising pipes, 10 air compressor, 11 aeration tubes, 12 aeration heads, 13 clean water basin, 14 back flushing clear water water pumps, 15 back flushing water inlet pipes, 16 shore pipes, 17 mixing pits, 18 volume pumps, 19 chemical feed pipes, 20 back flushing rising pipes; Among Fig. 2: 9 water purification rising pipes, 11 aeration tubes are equipped with aeration head on 11 aeration tubes.
Embodiment
Embodiment one:
Accompanying drawing is a kind of specific embodiment of the present invention, this embodiment comprises the water collecting basin 1 of collecting sewage, water collecting basin 1 enters settling tank 5 by sump pump 2 through waste pipe 3, the mixing pit 17 of preparation coagulating agent, volume pump 18 by dosing coagulant, be connected with static mixer 4, coagulating agent enters settling tank through 3 waste pipes after sewage fully mixes in static mixer, the settling tank bottom is connected to shore pipe 16, enter BAF 6 through the water after settling tank 5 processing by overflow, the bottom, aeration tank is connected to aeration tube 11 and is connected with air compressor 10, and backwash tube 15 is connected with backwashing pump 14, and top, aeration tank is connected to back flushing rising pipe 20.
Sewage is all focused on water collecting basin 1, enter settling tank 5 by sump pump 2 through 3 waste pipes.Static mixer 4 is housed on the waste pipe, coagulating agent enters static mixer by the pressurization of 18 volume pumps, coagulating agent enters settling tank through 3 waste pipes after sewage fully mixes in static mixer, carry out preliminary sedimentation, the settling tank bottom is connected to shore pipe 16, the mud of post precipitation is discharged, mud is transported by car after simple process, enter BAF 6 through the water after settling tank 3 processing by overflow, packing area 7 is composite zeolite filter material, the high 1200mm of filler, the below, packing area has been the supporting layer 8 of support effect, the molten air chamber 21 that is positioned at the below, packing area is built-in with aeration head 12, aeration head 12 links to each other with aeration tube 11, be positioned at and establish water purification rising pipe 9 and back flushing water inlet pipe 15 on the aeration head lower portion, ventilate in the aeration tank by air compressor 10, for microorganism provides sufficient oxygen, after reaching predetermined working time, back flushing is carried out in the filter tank, wash-water pump and air compressor carry out air water to the filter tank and unite flushing then at first to carry out air purge by air compressor, wash-water pump is washed again, and the water after the back flushing is discharged through the back flushing rising pipe.
Adopt the process for purifying water of above-mentioned precipitation BAF system to comprise the steps: that (1) introduce sewage to settling tank, the water inlet hydraulic load is 5m
3/ m
2H, and the tubular static mixer on former water water inlet pipe adds coagulating agent, and sewage is fully mixed with coagulating agent, forms flco; (2) water after the dosing enters settling tank 5, and under action of gravity, flco is precipitated to settling tank bottom, hydraulic detention time 1.5h; (3) water after the precipitation process enters BAF, and sewage passes through holding back of filtrate in the filter tank, and the decomposition of microorganism enters exhalant region, hydraulic detention time 1.25h; (4) former water to molten air chamber aeration, provides sufficient oxygen for microbial growth and to organic decomposition by air compressor when flowing through filler, air compressor pressure 0.3MPa, and the air water volume ratio is 1: 1; (5) mud of settling tank bottom enters sludge thickener, transports by car after simple process, and the water after the filtration is discharged from the water purification rising pipe;
Embodiment two:
The precipitation BAF water cleaning systems of this specific embodiment is identical with the precipitation BAF water cleaning systems of specific embodiment one.
This process for purifying water is with the difference of specific embodiment one process for purifying water: the air water volume ratio of aeration is 2: 1.
Embodiment three:
The precipitation BAF water cleaning systems of this specific embodiment is identical with the precipitation BAF water cleaning systems of specific embodiment one.
This process for purifying water is with the difference of specific embodiment one process for purifying water: the air water volume ratio of aeration is 3: 1.
Claims (4)
1. a precipitation is worked in coordination with biological filter composition type clear water system, comprise settling tank and BAF, it is characterized in that, water collecting basin (1), water collecting basin is connected with settling tank (5) by sump pump (2), at the pipeline section that connects tubular static mixer (4) is installed, settling tank (5) bottom is connected to shore pipe (19), and settling tank enters BAF (6) by overflow.
2. the described sewage water cleaning systems of claim 1 is characterized in that, aeration tube (11), back flushing water inlet pipe (15), rising pipe (9) are installed in described BAF (6) bottom, are connected with backwash pump (14) with air compressor (10) respectively.
3. the described sewage water cleaning systems of claim 1 is characterized in that, settling tank (5) places BAF (6) inside.
4. the described sewage water cleaning systems of claim 1 is characterized in that, BAF (6) inner stuffing is composite zeolite filter material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004046.1A CN103193359B (en) | 2012-01-09 | 2012-01-09 | Deposition and biological filter combined water purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210004046.1A CN103193359B (en) | 2012-01-09 | 2012-01-09 | Deposition and biological filter combined water purification system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103193359A true CN103193359A (en) | 2013-07-10 |
| CN103193359B CN103193359B (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210004046.1A Expired - Fee Related CN103193359B (en) | 2012-01-09 | 2012-01-09 | Deposition and biological filter combined water purification system |
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| Country | Link |
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| CN (1) | CN103193359B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118934A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A magnetic-force-intensified biological filtration water purification system with gas and water flowing at the same direction and a water purification method |
| CN104118938A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A magnetic anaerobic/aerobic biofiltration water purification system and a water purification method |
| CN105819618A (en) * | 2016-03-29 | 2016-08-03 | 江苏建筑职业技术学院 | Device for treating suspended matter in sewage through flocculation aeration composite method and removing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2270909A (en) * | 1992-09-24 | 1994-03-30 | Copa Holdings Ltd | Sewage treatment |
| CN2441794Y (en) * | 2000-09-05 | 2001-08-08 | 胡志忠 | Integrated processor for waste water |
| CN1491903A (en) * | 2003-08-15 | 2004-04-28 | 常建一 | Integrated aeration boilogical filter tank |
| CN202519125U (en) * | 2012-01-09 | 2012-11-07 | 济南大学 | Synergistic precipitation and biological filter combined reactor |
-
2012
- 2012-01-09 CN CN201210004046.1A patent/CN103193359B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2270909A (en) * | 1992-09-24 | 1994-03-30 | Copa Holdings Ltd | Sewage treatment |
| CN2441794Y (en) * | 2000-09-05 | 2001-08-08 | 胡志忠 | Integrated processor for waste water |
| CN1491903A (en) * | 2003-08-15 | 2004-04-28 | 常建一 | Integrated aeration boilogical filter tank |
| CN202519125U (en) * | 2012-01-09 | 2012-11-07 | 济南大学 | Synergistic precipitation and biological filter combined reactor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118934A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A magnetic-force-intensified biological filtration water purification system with gas and water flowing at the same direction and a water purification method |
| CN104118938A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | A magnetic anaerobic/aerobic biofiltration water purification system and a water purification method |
| CN104118934B (en) * | 2014-07-03 | 2016-06-22 | 济南大学 | A kind of air water co-flow magnetic force enhanced biological filters water cleaning systems and process for purifying water |
| CN104118938B (en) * | 2014-07-03 | 2016-06-22 | 济南大学 | A kind of magnetic anaerobic-aerobic biofiltration water cleaning systems and process for purifying water |
| CN105819618A (en) * | 2016-03-29 | 2016-08-03 | 江苏建筑职业技术学院 | Device for treating suspended matter in sewage through flocculation aeration composite method and removing method thereof |
| CN105819618B (en) * | 2016-03-29 | 2018-11-27 | 江苏建筑职业技术学院 | Suspended matter equipment and its minimizing technology in a kind of flocculation aeration composite algorithm processing sewage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103193359B (en) | 2014-05-14 |
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Granted publication date: 20140514 Termination date: 20160109 |