CN101538106B - Energy-free sewage treatment plant - Google Patents

Energy-free sewage treatment plant Download PDF

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Publication number
CN101538106B
CN101538106B CN2009100980850A CN200910098085A CN101538106B CN 101538106 B CN101538106 B CN 101538106B CN 2009100980850 A CN2009100980850 A CN 2009100980850A CN 200910098085 A CN200910098085 A CN 200910098085A CN 101538106 B CN101538106 B CN 101538106B
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CN
China
Prior art keywords
district
energy
sewage treatment
water outlet
treatment plant
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CN2009100980850A
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Chinese (zh)
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CN101538106A (en
Inventor
冯华军
钱钰洁
戴爱希
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浙江工商大学
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Priority to CN2009100980850A priority Critical patent/CN101538106B/en
Publication of CN101538106A publication Critical patent/CN101538106A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

The invention discloses an energy-free sewage treatment plant comprising a pool body and a cover plate, wherein the cover plate is arranged on the pool body, and two ends of the pool body are respectively provided with a water inlet and a water outlet; the cover plate is provided with a solar panel; the interior of the pool body is sequentially divided into an anaerobic decarburization area, an aerobic nitrification area and a sludge precipitation area by partitions; and the exterior of the pool body is provided with an ecological wetland. The energy-free sewage treatment plant has the advantages of being energy-free, effectively removing various pollutants in domestic sewage, having no reflow of sludge, minimizing the sludge to the most extent and greening the environment, and further removes nitrogen and phosphorus pollutants in the sewage by using the natural purification capability of organisms.

Description

Energy-free sewage treatment plant
Technical field
The present invention relates to a kind of waste disposal plant, refer in particular to a kind of energy-free sewage treatment plant with decarburization, denitrogenation, dephosphorization function.
Background technology
At present for small-scale sewage treatment facility, because its water yield of disposing of sewage is little, if adopt traditional aerobic process that several necessary processing structures such as aeration tank, settling tank, sludge thickener must be arranged, also need to set up power-equipments such as sludge reflux pump, its ton water investment cost is very high, but also be easy to generate phenomenons such as sludge bulking, aerobic process needs aerator to come oxygen supply simultaneously, increase processing cost thereby strengthened power consumption, therefore be not suitable for being applied to small-scale sewage treatment facility.
The patent No. is that 200520020368.0 utility model discloses integrated self-refluxing saprobia decarburization denitrification equipment, adopts different processing units to remove two pollutants in the sanitary sewage (organic carbon pollutant, nitrogen-containing pollutant).Device comprises treating pond, and " V " shape Sludge Bed strainer that treating pond is separated into aerobic zone and anaerobic zone is set in treating pond.Bottom at anaerobic zone is provided with sewage inlet, between aerobic zone and anaerobic zone, be provided with partition wall, aerating apparatus is equipped with in the aerobic zone bottom, the bottom of settling region is oblique bucket, be connected with aerobic zone, tiltedly the bucket setting is in order to make the mud that precipitates rely on self gravitation to glide to the aerobic zone bottom, thereby realizes the backflow certainly of mud, top, settling region is provided with overflow weir, and convenience and the isolating water of mud are from smooth outflow.
This technical scheme adopts electric energy to drive aerating apparatus, and it is bigger to consume energy, and does not remove the phosphor contaminant that contains in the sanitary sewage effectively, easily causes the eutrophication pollution of water body.Simultaneously, aerobic zone directly links to each other with the settling region, i.e. water outlet and mud reflux at the same area, when the processing water yield is big, be that current enter the upflow velocity of settling region and can produce mud when very fast and can not in time reflux, cause mud to gather, cause the generation of mud rising phenomenon in the settling region.
The patent No. is that 200710068353.5 patent of invention discloses a kind of waste disposal plant with denitrification functions, comprise pond body and cover plate, pond body inner route clapboard is divided into anaerobism de-carbon district, aerobic nitrification district and anaerobic denitrification district successively, anaerobism de-carbon district is provided with several rising compartment and decline compartments of being divided into by last traverse baffle and following traverse baffle, fills in the rising compartment and is fixed with filler; The aerobic nitrification district is made up of solarization air cell and settling chamber, be provided with cutoff board and flow deflector between solarization air cell and the settling chamber, aerating apparatus is equipped with in the bottom in solarization air cell, aerating apparatus links to each other with outside air compressor machine, be provided with several in the anaerobic denitrification district by rising compartment and decline compartment that upper and lower traverse baffle is divided into, rise interior filling of compartment and be fixed with filler; Cover plate is provided with several inoculation hole and venting holes.This apparatus sewage sludge need not to reflux, mud minimizing to greatest extent, can also not be not have power consumption fully still according to influent quality flexible recurring series.
Summary of the invention
The invention provides the power consumption of a kind of nothing, adopt solar electrical energy generation to drive aerator, effectively remove carbon containing in the sanitary sewage, nitrogenous, contain phosphor contaminant, efficiently with precipitation, aeration, automatic sludge returning and ecological wetland waste disposal plant in one.
A kind of energy-free sewage treatment plant comprises pond body, cover plate, solar panel and ecological wetland, and the pond body is provided with cover plate, and solar panel is located on the cover plate; Body two ends, pond are respectively equipped with water-in and water outlet, and described pond body inner route clapboard is divided into anaerobism de-carbon district, aerobic nitrification district and sludge settling district successively; Anaerobism de-carbon district is provided with several rising compartment and decline compartments of being divided into by last traverse baffle and following traverse baffle, fills fixedly filler in the rising compartment; Be provided with flow deflector between anaerobism de-carbon district and aerobic nitrification zone; Aerator is equipped with in the bottom in the aerobic nitrification district, and aerator links to each other with outside air compressor machine, is driven by the solar panel generating; Aerobic nitrification district and sludge settling interval are separated by traverse baffle and cutoff board; Bottom, sludge settling district is provided with the bucket swash plate, and the bottom is provided with several mudholes, and the upper end is provided with overflow weir, and the water outlet overflow weir is connected water outlet; The external ecological wetland that is provided with in pond.
Described ecological wetland can be arranged on one week of whole pond body, can a side at the pond body.The inherent end near water outlet of ecological wetland is provided with the cloth tank, is provided with water leg away from the other end of water outlet, and the inboard of cloth tank and water leg is covered with aperture, and with the gravel filling, the outside of water leg is provided with water port; The ground important and influential persons of cloth tank one side is higher than water leg one side, and guiding water flows to water leg by the vegetation region of cloth tank by ecological wetland, finally flows out from water port.
A side is provided with access opening and venting hole on the described cover plate, and solar panel is located at and avoids access opening and venting hole on the cover plate, convenient maintenance and exhaust.
Described fixedly filler is the hollow ball shape, and the easy biofilm of microorganism starts soon, can adopt bamboo fiber natural stuffing.
Flow deflector lower end between described aerobic nitrification district and the anaerobism de-carbon district is connected with the flow guiding inclined plate that becomes 120-135 degree angle with horizontal plane, prevents air admission anaerobism de-carbon district, aeration tank.
Distance decision flow rate of water flow between described traverse baffle and cutoff board, distance is too little, the resistance that produces too conference influences the circulation of mud, distance too conference influences the volume effective rate of utilization of reactor, its distance is fixed by treatment sewage waterpower katabatic drainage quick decision herein, and general flow rate control is at 0.1-0.8m/s.
The described cutoff board that separates aerobic nitrification district and sludge settling district is made of two vertical clapboards and two oblique flow deflectors.Vertical clapboard and oblique flow deflector are provided with at interval, the swash plate flow deflector that is connected with between two vertical clapboards becomes 30-45 degree angle with horizontal plane, another oblique flow deflector that vertical clapboard lower end below being positioned at is connected with, become 100-125 degree angle with horizontal plane, mud mixture at aerobic nitrification district aeration forms whirlpool, avoids the disturbance to the sludge settling district.
The described height that separates the cutoff board upper end in aerobic nitrification district and sludge settling district will be lower than the height of water outlet overflow weir upper end, and near the height of the traverse baffle lower end being higher than guarantees the mud circulation.
The setting of described mudhole height is an important parameter of decision aeration tank sludge concentration, can after having determined the aeration tank sludge concentration, design the height of mudhole, the staff only needs mud is discharged to mudhole during commencement of commercial operation in the future, generally mudhole is located at 1/4-1/3 place, sludge settling offset bottom and is advisable.
The angle setting of described bucket swash plate is to enter the aeration zone then in order to make mud after the sludge settling district mud-water separation be slipped to the bottom, settling region automatically, so its swash plate angle becomes the 100-125 degree to be advisable with level.
The rising compartment in the described anaerobism de-carbon district and the width of decline compartment are than being 1-5: 1, the de-carbon effect in anaerobism de-carbon district mainly relies on the rising compartment, the decline compartment has guide functions, be used to prolong flow path, strengthen sewage and fully contact attached to the microorganism on the Ball-type packing, therefore need suitably adjust 1-5 for the width ratio of rising compartment and decline compartment: 1 ratio can satisfy treatment effect, can improve the overall treatment efficiency of device again.
Successively spread slabstone, coarse sand and fine sand in the vegetation region of described ecological wetland, plants such as the plantation stem or leaf of cattail, reed on it.
Available concrete etc. is built around the described ecological wetland, avoids water to flow out ecological wetland.
In anaerobism de-carbon district, the main baffling up and down that adopts prolongs flow path, strengthens sewage and fully contacts attached to the microorganism on the Ball-type packing.
In aerobic nitrification district and sludge settling district, adopt the automatic reflux of mud of unique design, muddy water thorough mixing with the aerobic nitrification district, the mud-water separation in sludge settling district and automatic sludge returning are molten to the bottom, settling region to be one, adopt solar electrical energy generation to drive the aerator in aerobic nitrification district, really accomplish cleaning, do not have power consumption.
In the ecological wetland district, adopt the biological natural purifying ability of plants such as the stem or leaf of cattail, reed, mainly utilize physics, chemistry, the biological triple synergies of soil, artificial dielectric, plant, microorganism, sewage, mud are further handled.Also avoided sewage, mud etc. to contact, protected solar panel with the unnecessary of solar panel.
Compare with traditional technology, apparatus of the present invention have and do not have power consumption, effectively remove that multiple pollutent, mud in the sanitary sewage need not to reflux, the advantage of mud minimizing to greatest extent, greening environment, adopt biological natural purifying ability further to remove nitrogen, phosphor contaminant in the sewage, energy-conservation, greening that meets that China payes attention at present gradually and nitrogen, phosphorus pollute the theme of removing.
Description of drawings
Fig. 1 is the cross-sectional view of apparatus of the present invention;
Fig. 2 is the plan structure synoptic diagram of apparatus of the present invention.
Embodiment
As Figure 1-3, a kind of energy-free sewage treatment plant comprises pond body 19, cover plate 17, solar panels 28 and ecological wetland 27, and body 19 two ends in pond are respectively equipped with water-in 1 and water outlet 18.Pond body 19 is divided into anaerobism de-carbon district 2, aerobic nitrification district 3 and sludge settling district 4 successively by dividing plate.
Anaerobism de-carbon district 2 alternately is provided with traverse baffle 7 and following traverse baffle 6 on several, and last traverse baffle 7 and following traverse baffle 6 are divided into several rising compartments and decline compartment with anaerobism de-carbon district 2, fills in the rising compartment and is fixed with the bamboo fiber natural stuffing 5 of hollow ball shape.The width ratio of rising compartment and decline compartment is chosen 2: 1 or 4: 1.
Anaerobism de-carbon district 2 and aerobic nitrification zone 3 separate by flow deflector 8, and flow deflector 8 upper ends are connected with cover plate 17, and the lower end is not touched at the bottom of the pond, are provided with the flow guiding inclined plate that becomes 100~120 degree angles with horizontal plane.
Aerator 9 is equipped with in 3 bottoms in the aerobic nitrification district, and aerator 9 connects outside air compressor machine, by solar panels 28 generating aerations.
Solar panel 28 is positioned at a side that does not have access opening 15 and venting hole 16 on the cover plate 17.
Aerobic nitrification district 3 and sludge settling district 4 are separated by cutoff board 10, and cutoff board 10 upper ends and cover plate, lower end and Chi Tijun leave the space, are made of two vertical clapboards and two oblique flow deflectors.Be connected with a swash plate flow deflector between two vertical clapboards, become 30-45 degree angle with horizontal plane, the vertical clapboard lower end that is positioned at the below is connected with another oblique flow deflector, becomes 100-125 degree angle with horizontal plane.
4 bottoms, sludge settling district have intilted bucket swash plate 13, and bucket swash plate 13 becomes 100~125 degree angles with horizontal plane.
Sludge settling district 4 is provided with some mudholes 12 apart from bottom 1/4-1/3 place, picks out spoil disposal by pipeline.
Be provided with traverse baffle 11 in the sludge settling district 4, traverse baffle 11 tops are connected with cover plate, and the bottom height will be lower than the top of cutoff board 10.Distance between traverse baffle 11 and the cutoff board 10 is fixed by treatment sewage waterpower katabatic drainage quick decision herein, makes waterpower katabatic drainage speed control built in 0.1~0.8m/s.
4 water outlet places, sludge settling district are provided with water outlet overflow weir 14, and the height of water outlet overflow weir 14 upper ends will be higher than the height of cutoff board 10 upper ends.
Water outlet overflow weir 14 upper ends pick out the mouth of a river 18.
Be provided with ecological wetland 27 around the pond body 19, use concrete placement around the ecological wetland 27, water outlet 18 connects near the cloth tank 21 water outlet 18 of aqueduct 22 to ecological wetland 27.
The other end of ecological wetland 27 has water leg 25, and cloth tank 21 is covered with aperture 24 with the inboard of water leg 25, and fills with gravel 29, and the outside of water leg 25 is provided with water port 26; The ground important and influential persons of cloth tank 21 1 sides is higher than water leg 25 1 sides.
Successively spread slabstone 30, coarse sand 31 and fine sand 32 in the vegetation region 23 of ecological wetland from bottom to up, the plantation stem or leaf of cattail and reed 33 on it.
Treatment sewage flows in the pond body 19 from water-in 1, at first enters anaerobism de-carbon district 2.Last traverse baffle 7 and following traverse baffle 6 are separated into several rising compartments and decline compartment with anaerobism de-carbon district 2.Effluent stream drives the mud of bottom deposit through each compartment, makes sludge activation, and simultaneously, sewage fully contacts with the microorganism of filling out on the body attached to sphere, carries out carbonization treatment.Sewage is walked around flow deflector 8 and is entered aerobic nitrification district 3, and 3 bottoms, aerobic nitrification district are provided with aerator 9, connects outside air compressor machine outside the aerator 9, by solar panel 28 generating aerations.3 well-mixed mud mixtures enter sludge settling district 4 by cutoff board 10 and carry out mud-water separation in the aerobic nitrification district, and mud is under bucket swash plate 13 depositions in sludge settling district 4.Mud from being back to 4 bottoms, sludge settling district, then enters aerobic nitrification district 3 along bucket swash plate 13, carries out spoil disposal at set intervals; Supernatant liquor then enters water outlet 18 by the water outlet overflow weir 14 that 4 tops, sludge settling district are provided with, enter the cloth tank 21 of ecological wetland 27 along aqueduct 22, the flow through vegetation region 23 of ecological wetland 27 of the aperture 24 that sewage sees through cloth tank 21, aperture 24 by water leg 25 enters in the water leg 25, after the sewage that water port 26 will be up to state standards after will handling enters rivers, lake.

Claims (6)

1. an energy-free sewage treatment plant comprises pond body and cover plate, and the pond body is provided with cover plate, and body two ends, pond are respectively equipped with water-in and water outlet, it is characterized in that: described cover plate is provided with solar panel; Described pond body inner route clapboard is divided into anaerobism de-carbon district, aerobic nitrification district and sludge settling district successively; Anaerobism de-carbon district is provided with several rising compartment and decline compartments of being divided into by last traverse baffle and following traverse baffle, fills fixedly filler in the rising compartment; Be provided with flow deflector between anaerobism de-carbon district and aerobic nitrification zone; Aerator is equipped with in the bottom in the aerobic nitrification district, and aerator links to each other with outside air compressor machine, is driven by the solar panel generating; Aerobic nitrification district and sludge settling interval are separated by traverse baffle and cutoff board; Bottom, sludge settling district is provided with the bucket swash plate, and the bottom is provided with several mudholes, and the upper end is provided with the water outlet overflow weir, and the water outlet overflow weir is connected water outlet; The external ecological wetland that is provided with in pond;
Described cutoff board is made of two vertical clapboards and two oblique flow deflectors, vertical clapboard and oblique flow deflector are provided with at interval, the swash plate flow deflector that is connected with between two vertical clapboards becomes 30-45 degree angle with horizontal plane, be positioned at another oblique flow deflector that the vertical clapboard lower end of below is connected with and become 100-125 degree angle with horizontal plane; Mudhole is located at 1/4-1/3 place, sludge settling offset bottom.
2. energy-free sewage treatment plant as claimed in claim 1 is characterized in that: described ecological wetland is arranged on an external week or the side in pond.
3. energy-free sewage treatment plant as claimed in claim 2, it is characterized in that: the inherent end near water outlet of described ecological wetland is provided with the cloth tank, be provided with water leg away from the water outlet the other end, the inboard of cloth tank and water leg is covered with aperture, and fill with gravel, the outside of water leg is provided with water port; The physical features of cloth tank one side is higher than water leg one side.
4. energy-free sewage treatment plant as claimed in claim 1 is characterized in that: a side is provided with access opening and venting hole on the described cover plate, and solar panel is located at a side of avoiding access opening and venting hole on the cover plate.
5. energy-free sewage treatment plant as claimed in claim 1 is characterized in that: the height of described cutoff board upper end is lower than the height of water outlet overflow weir upper end, is higher than the height of traverse baffle lower end.
6. energy-free sewage treatment plant as claimed in claim 1 is characterized in that: successively lay slabstone, coarse sand and fine sand in the vegetation region of described ecological wetland from bottom to up, plantation plant on it.
CN2009100980850A 2009-04-30 2009-04-30 Energy-free sewage treatment plant CN101538106B (en)

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101786725B (en) * 2009-12-31 2011-08-17 中国科学院生态环境研究中心 Sewage biological treatment system driven by solar energy and operation method thereof
CN102276067A (en) * 2011-08-09 2011-12-14 浙江大学 Solar-power-driven micro-power artificial wet land sewage treatment device
CN102381767B (en) * 2011-10-10 2013-01-23 桂林理工大学 Water purifying method of uniform flow constructed wetland
CN103435156B (en) * 2013-06-04 2015-04-01 深圳地大水务工程有限公司 Intelligent three-dimensional ecological external circulation nitrification method and apparatus
CN103435157B (en) * 2013-06-04 2015-03-18 深圳地大水务工程有限公司 Low-energy and intelligent three-dimensional ecological internal circulation nitrification method and apparatus
CN103435155B (en) * 2013-06-04 2014-10-29 深圳市地大东江环境研究院 Low-energy and intelligent three-dimensional ecological self-refluxing circulation nitrification method and apparatus
CN103896452A (en) * 2014-03-11 2014-07-02 沈尧坚 Equipment and method for removing nitrogen out of domestic wastewater
CN105330090A (en) * 2014-08-14 2016-02-17 吉林省环境科学研究院 Micro-dynamic device for rural domestic sewage treatment
CN104326573B (en) * 2014-11-17 2017-03-01 哈尔滨工业大学 A kind of latent layer intermittent aerating artificial wet land system of solar energy being applied to cold district samll cities and towns
CN104773910B (en) * 2015-03-31 2016-08-10 天津大学 Hybrid constructed wetland based on solar energy oxygen-increasing intermittent aeration
CN106186527B (en) * 2016-08-02 2019-03-29 河海大学 Environmentally friendly sewage integrated treatment device

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CN2806448Y (en) * 2005-08-01 2006-08-16 周群刚 Underground type small-sized domestic sewage treatment device
CN101045581A (en) * 2007-04-27 2007-10-03 浙江大学 Treating device for sludge self-return aerobic bios
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CN201087158Y (en) * 2007-08-17 2008-07-16 严廷林 Wet land wastewater treatment system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1436739A (en) * 2002-12-09 2003-08-20 武汉科技学院 Solar purifier
CN2806448Y (en) * 2005-08-01 2006-08-16 周群刚 Underground type small-sized domestic sewage treatment device
CN101045581A (en) * 2007-04-27 2007-10-03 浙江大学 Treating device for sludge self-return aerobic bios
CN101045583A (en) * 2007-04-27 2007-10-03 浙江大学 Sewage treatment device with denitrification function
CN201087158Y (en) * 2007-08-17 2008-07-16 严廷林 Wet land wastewater treatment system

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