CN107601659A - Intensified ventilation cascading fall of water is oxygenated biofilter - Google Patents

Intensified ventilation cascading fall of water is oxygenated biofilter Download PDF

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Publication number
CN107601659A
CN107601659A CN201710849213.5A CN201710849213A CN107601659A CN 107601659 A CN107601659 A CN 107601659A CN 201710849213 A CN201710849213 A CN 201710849213A CN 107601659 A CN107601659 A CN 107601659A
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water
biofilter
ventilation
fall
oxygenated
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CN107601659B (en
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李发站
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North China University of Water Resources and Electric Power
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North China University of Water Resources and Electric Power
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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

Abstract

A kind of intensified ventilation cascading fall of water is oxygenated biofilter, including biofilter, water inlet pipe is set on biofilter, water sprayer is provided with water inlet pipe, ventilation duct is provided with the top of biofilter, is disposed with from top to bottom including cloth water channel, drop plate one, drop plate 2 I, packing area, drop plate 2 II and delivery port.Main body of the present invention uses A/O techniques, has biological denitrificaion function, and nitric efficiency significantly improves, and being changed to pipeline by gravity-flow ventilation pulls out wind, improves throughput, oxygen-transfer efficiency is obviously improved, and clean-up effect significantly improves.Cloth water channel realizes water distribution uniformity by hydraulics, and cascading fall of water, classification reflection dabble, make water droplet more tiny, scattered, not only realize water distribution uniformity, can more improve oxygen-transfer efficiency.Do not grow mosquitos and flies, improve surrounding enviroment, be adapted to away from city planting ductwork domestic sewage of villages and small towns handle, can modularized production, in-site installation, capital cost is low, short construction period.

Description

Intensified ventilation cascading fall of water is oxygenated biofilter
Technical field
The present invention relates to a kind of intensified ventilation cascading fall of water to be oxygenated biofilter.
Background technology
Along with the expansion of Small Urban scale and quantity, town sewage discharge capacity is continuously increased, county and following villages and small towns Sewage treatment facility is less, and along with economic level is relatively low, environmental consciousness is weak, substantial amounts of resident's sewage is unprocessed just Underground and lake are directly discharged into, seriously pollutes environment, so needing the facility for being adapted to domestic sewage of villages and small towns processing.Sewage entered After water treatment reaches water supply standard, it is back to agriculture, forestry, animal husbandry, fisheries, industry, city or uses water as low impurity water etc. Mode.Sewage disposal can both solve the problems, such as that water resource is increasingly in short supply, can be mitigated or eliminated environmental pollution again, have obvious society Meeting, economy, environmental benefit.
The problem of following be present in current sewage treatmentmethod
1st, treatment effeciency it is low, it is easy block, grow mosquitos and flies, do not possess nitration denitrification denitrogenation function;
2nd, gravity-flow ventilation is oxygenated, and oxygen-transfer efficiency is low, takes earth's surface soil and floor space is big;
3rd, high is required to water inlet substrate concentration, does not possess backflow functionality;
4th, it is not easy to realize water distribution uniformity, slough is present, capacity utilization is low.
The content of the invention
The purpose of the present invention is:One kind operation operation is provided, manages convenient, the suitable villages and small towns life dirt away from city planting ductwork The intensified ventilation cascading fall of water oxygenation biofilter of water process.
The technical scheme is that:
A kind of intensified ventilation cascading fall of water is oxygenated biofilter, including biofilter, and water inlet pipe is set on biofilter, Water sprayer is provided with water inlet pipe.
Ventilation duct is provided with the top of biofilter.
Biofilter is disposed with including cloth water channel, drop plate one, drop plate 2 I, packing area, drop from top to bottom Plate 2 II and delivery port.
Water inlet pipe is connected by intake chamber with cloth water channel.
At least be provided with two cloth water channels in biofilter side by side, the width of intake chamber at least with two farthest cloth water channels Vertical range between center line is consistent.
Cloth water channel is semicircular groove, and the both ends of semicircle diametral plane are arranged with horizontal overflow plate, two horizontal overflow plates Outside vertical is provided with vertical buffer board.
An identical rectangle node I is provided with drop plate one, an identical rectangle node II is provided with the plate two that drops, The width of node I is identical with the width of node II, and the width between two nodes I is more than the width between two nodes II.
The packing area of biofilter is filled with Ball-type packing, microorganism is attached with filler, filler region is from top to bottom Spaced set has three sample taps.
A kind of A/O process systems containing intensified ventilation cascading fall of water oxygenation biofilter, include the anoxic regulation of A sections Pond 1 and the O section intensified ventilations cascading fall of water oxygenation biofilter connected with anoxic regulating reservoir.
The anoxic regulating reservoir includes water inlet, the circular chassis with water inlet integrally connected, and chassis is provided with spiral The dividing plate of shape, chassis is divided into the spiral gallery that radius is gradually reduced, anoxic regulating reservoir end be provided with before water sprayer Hold the sewage pump of connection.
Beneficial effects of the present invention are:Main body uses A/O techniques, has biological denitrificaion function, and nitric efficiency significantly improves, Pipeline is changed to by gravity-flow ventilation and pulls out wind, improves throughput, oxygen-transfer efficiency is obviously improved, and clean-up effect significantly improves.Cloth water channel according to Water distribution uniformity is realized by hydraulics, cascading fall of water, classification reflection dabble, and make water droplet more tiny, scattered, not only realize uniform Water distribution, it can more improve oxygen-transfer efficiency.Mosquitos and flies is not grown, improves surrounding enviroment, is adapted to the domestic sewage of villages and small towns away from city planting ductwork Processing, can modularized production, in-site installation, capital cost is low, short construction period.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the overlooking the structure diagram of A anoxics regulating reservoir of the present invention.
Fig. 3 is O sections biofilter left view structural representation of the present invention.
Fig. 4 is the structural representation of cloth water channel of the present invention.
Fig. 5 is the structural representation of present invention drop plate.
Embodiment
As shown in figure 1, a kind of intensified ventilation cascading fall of water oxygenation biofilter, including biofilter 16, biological mistake Water inlet pipe 8 is set on filter 16, water sprayer 7 is provided with water inlet pipe 8, water sprayer 7 has oxygenation function.
The top of biofilter 16 is provided with ventilation duct 17, it is real by ventilating fan while water distribution uniformity is realized Existing intensified ventilation oxygenation, carry out pipeline and pull out wind ventilation, improve throughput.
Biofilter 16 be disposed with from top to bottom including cloth water channel 10, drop plate 1, drop plate 2 I 12, fill out Expect area 13, drop plate 2 II 14 and delivery port 15, be provided with weir plate at delivery port 15, weir plate is a cuboid effluent trough, effluent trough Centre is provided with sideboard, the water gravity reflux on baffle plate one side, the water outflow on one side, to control effluent recycling ratio, by weir plate Water outlet is adjusted, and reflux ratio is accurate, strong operability.
As shown in figure 3, two cloth water channels 10 are at least provided with biofilter 16 side by side, the width of intake chamber 9 at least with Vertical range between two farthest center lines of cloth water channel 10 is consistent, and water inlet pipe 8 is connected by intake chamber 9 and cloth water channel 10 Logical, after the water in water inlet pipe 8 flows into intake chamber 9, intake chamber 9 is connected with cloth water channel 10, then flows into two cloth water channels by intake chamber 9 In 10.
As shown in figure 4, cloth water channel 10 is semicircular groove, the both ends of semicircle diametral plane are arranged with horizontal overflow plate 18, the two horizontal outside verticals of overflow plate 18 are provided with vertical buffer board 19, and cloth water channel 10 is arranged into circle, is not easy stagnant water be present Area, mosquitos and flies is not grown, after water fills groove, overflowed from the horizontal overflow plate 18 on both sides, water distribution is uniform, and vertical buffer board 19 plays The cushioning effect of current.
As shown in figure 5, being provided with 8 identical rectangle nodes I 21 on drop plate 1,16 phases are provided with the plate two that drops Same rectangle node II 22, the width of node I 21 is identical with the width of node II 22, and the width between two nodes I 21 is more than two Width between individual node II 22, drop plate 1 and drop plate 2 I 12 form two level drop, current is contacted with oxygen and more fill Point, after drop plate 2 II 14 plays a part of support packing area, while current flow out from packing area, the node for the plate that drops can be passed through Outflow, flowed out from the delivery port 15 on the right side of biofilter 16.
The present apparatus sets two oxygenate apparatus, first, water sprayer is oxygenated, is filled by sewage pump lifting water pressure Oxygen;Second, intensified ventilation drop oxygenation, while water distribution uniformity is realized, realizes that intensified ventilation is oxygenated, intensified ventilation is pipeline Wind ventilation is pulled out, by strengthening naturally, improves throughput, two level drop and reflection promote water droplet four to dissipate, more refine, connect with oxygen Touch more abundant.Arrangement above not only improves oxygen-transfer efficiency, and can reduce installation area.
The packing area 13 of biofilter 16 is filled with Ball-type packing, and microorganism, spherical inert filler ratio are attached with filler Surface area is big, biomass is big, good water permeability.
As shown in figure 3, spaced set has three sample taps 20 to the region of packing area 13 from top to bottom, when water reaches packing area Afterwards, by taking out water from different sample taps, clean-up effect is checked, to make regulation to drop plate in time.
A kind of A/O process systems containing intensified ventilation cascading fall of water oxygenation biofilter, main body use A/O techniques, With biological denitrificaion function, nitric efficiency significantly improves, including the anoxic regulating reservoir 1 of A sections and the O that is connected with anoxic regulating reservoir 1 Section intensified ventilation cascading fall of water oxygenation biofilter 16, anoxic regulating reservoir 1 and biofilter 16 form organic A/O works Skill, the anoxic regulating reservoir 1 of A sections, built-in elastic combined stuffing, can set multiple supports to be supported on the top of gallery, in support Upper extension combined stuffing, be attached with microorganism in filler, can attached biomass it is big, have catharsis to sewage, set ingenious, possess The effect of anoxic denitrification and regulating pondage, pulling flow type operation, treatment effeciency are high.Intensified ventilation cascading fall of water is oxygenated biofiltration Device is O sections, and O sections are provided with cloth water channel 10 and cascading fall of water device, has water distribution uniformity, intensified ventilation cascading fall of water oxygenation work( Can, spherical inert filler specific surface area is big, biomass is big, good water permeability, and treatment effeciency is high.
As shown in Figure 1-2, the anoxic regulating reservoir 1 includes water inlet 2, the circular chassis with the integrally connected of water inlet 2 3, chassis 3 is provided with spiral gallery 5, and sewage pulling flow type in spiral shape gallery 5 is run, and flow to the minimum arrival anoxic of radius The end of regulating reservoir 1, the end of anoxic regulating reservoir 1 are provided with the sewage pump 6 connected with the front end of water sprayer 7, sewage pump 6 Sewage lifting to biofilter 16.
The chassis 3 is provided with spiral dividing plate 4, and chassis 3 is divided into the spiral gallery 5 that radius is gradually reduced, Sewage pulling flow type in anoxic regulating reservoir 1 is run, and by adjusting reflux ratio water volume adjustable, treatment effeciency is high.
During use of the present invention, sewage is introduced into the water inlet 2 of anoxic regulating reservoir 1, combined stuffing is carried out to sewage Preliminary purification, the end of anoxic regulating reservoir 1 is reached after the plug-flow operation in spiral gallery 5, through sewage lifting Pump 6 is promoted in the water inlet pipe 8 of biofilter 16, is oxygenated by pressure during water sprayer 7 by lifting, while biology The ventilation duct 17 on the top of filter 16 carries out intensified ventilation, improves throughput, and current pour into after flowing into intake chamber 9 in water inlet pipe 8 In two cloth water channels 10, from both sides overflow after current are full of semicircular groove, it is left to after the buffering of vertical buffer board 19 Drop on plate, after drop plate 1 and the two level drop of drop plate 2 I 12, promote water droplet four to dissipate, more refine, connect with oxygen Touch more fully, fall from drop plate I 12 and enter after in packing area 13, completed by the catharsis of microorganism in Ball-type packing Purify and flowed out from delivery port 15, a small amount of water is taken out from the sample tap 20 of the diverse location of side to check in purification process Clean-up effect is to adjust.
In order to control effluent recycling than the amount of inlet water at the water inlet 2 with A sections, in the delivery port 15 of biofilter 16 Place is provided with weir plate, and weir plate is a cuboid effluent trough, and effluent trough centre is provided with sideboard, the water gravity reflux on baffle plate one side, The water outflow on one side, to control effluent recycling ratio, is adjusted, reflux ratio is accurate, strong operability by weir plate water outlet.
The present invention has advantages below compared to prior art:
1st, intensified ventilation cascading fall of water oxygenation biofilter main process is A/O techniques, has biological denitrificaion function, denitrogenation effect Rate significantly improves.
2nd, bio-trickling filter oxygenation is entirely gravity-flow ventilation oxygenation, and oxygenation capacity is few and oxygen-transfer efficiency is low, after the present apparatus is improved Water sprayer oxygenation is improved to by gravity-flow ventilation oxygenation and intensified ventilation drop oxygenation, oxygen-transfer efficiency are obviously improved, clean-up effect Significantly improve.
3rd, biofilter is intake through waterpower water-distributing device, two level drop dispersal device, realizes oxygenation, water distribution uniformity, gram Take trickling filter water distribution inequality problem.Water distribution is uniform, and filter volumetric utilization rate is just high, and treatment effeciency is further lifted.
4th, because device is closed operation, in the absence of slough, mosquitos and flies is not grown, intensified ventilation cascading fall of water is oxygenated biological mistake Filter surrounding enviroment are obviously improved.
5th, present apparatus power-equipment is only a water pump, and operating cost slightly improves, and through adjusting, 1 ton of water of processing only needs 1.12 yuan, operating cost is cheap.
6th, present apparatus simple structure, operation operation, management are convenient, are adapted at the domestic sewage of villages and small towns away from city planting ductwork Reason.Can modularized production, in-site installation, capital cost is low, short construction period.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art, Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as the present invention's Protection domain.

Claims (10)

1. a kind of intensified ventilation cascading fall of water is oxygenated biofilter, including biofilter(16), biofilter(16)On If water inlet pipe(8), it is characterised in that:In water inlet pipe(8)On be provided with water sprayer(7).
2. intensified ventilation cascading fall of water as claimed in claim 1 is oxygenated biofilter, it is characterised in that:In biofilter (16)Top be provided with ventilation duct(17).
3. ventilation cascading fall of water oxygenation biofilter as claimed in claim 1 or 2, it is characterised in that:Biofilter (16)It is disposed with from top to bottom including cloth water channel(10), drop plate one(11), drop plate 2 I(12), packing area(13), fall Water plate 2 II(14)And delivery port(15).
4. ventilation cascading fall of water oxygenation biofilter as claimed in claim 1, it is characterised in that:Water inlet pipe(8)By entering Tank(9)With cloth water channel(10)Connection.
5. intensified ventilation cascading fall of water as claimed in claim 1 is oxygenated biofilter, it is characterised in that:Biofilter (16)In be at least provided with two cloth water channels side by side(10), intake chamber(9)Width at least with two farthest cloth water channels(10)In Vertical range between heart line is consistent.
6. intensified ventilation cascading fall of water as claimed in claim 3 is oxygenated biofilter, it is characterised in that:Cloth water channel(10)For Semicircular groove, the both ends of semicircle diametral plane are arranged with horizontal overflow plate(18), two horizontal overflow plates(18)Outside vertical Provided with vertical buffer board(19).
7. intensified ventilation cascading fall of water as claimed in claim 3 is oxygenated biofilter, it is characterised in that:Drop plate one(11) On be provided with rectangle node I(21), drop plate two on be provided with rectangle node II(22), node I(21)Width and node II (22)Width it is identical, two nodes I(21)Between width be more than two nodes II(22)Between width.
8. intensified ventilation cascading fall of water as claimed in claim 3 is oxygenated biofilter, it is characterised in that:Biofilter (16)Packing area(13)Ball-type packing is filled with, microorganism, packing area are attached with filler(13)Region is equidistant from top to bottom It is provided with three sample taps(20).
A kind of 9. A/O works of the intensified ventilation cascading fall of water oxygenation biofilter containing any one of claim 1-8 Process system, it is characterised in that:Anoxic regulating reservoir including A sections(1)And with anoxic regulating reservoir(1)The O sections intensified ventilation point of connection Level drop oxygenation biofilter(16).
10. the A/O process systems as claimed in claim 9 containing intensified ventilation cascading fall of water oxygenation biofilter, it is special Sign is:The anoxic regulating reservoir(1)Including water inlet(2)With water inlet(2)The circular chassis of integrally connected(3), chassis (3)It is provided with spiral dividing plate(4), dividing plate(4)By chassis(3)It is divided into the spiral gallery that radius is gradually reduced(5), Anoxic regulating reservoir(1)End is provided with and water sprayer(7)The sewage pump of front end connection(6).
CN201710849213.5A 2017-09-20 2017-09-20 Reinforced ventilation grading drop oxygenation biofilter Active CN107601659B (en)

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CN201710849213.5A CN107601659B (en) 2017-09-20 2017-09-20 Reinforced ventilation grading drop oxygenation biofilter

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CN201710849213.5A CN107601659B (en) 2017-09-20 2017-09-20 Reinforced ventilation grading drop oxygenation biofilter

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CN107601659B CN107601659B (en) 2020-11-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109354158A (en) * 2018-11-20 2019-02-19 上海择希环保工程有限公司 Bio-trickling filter with denitrification functions
CN109502917A (en) * 2018-12-25 2019-03-22 兰州交通大学 A kind of residents underground powerless integration compound bio sewage-treatment plant and technique
CN110451645A (en) * 2019-09-19 2019-11-15 境友环保科技(北京)有限公司 A kind of municipal wastewater advanced treatment system and method

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CN203360231U (en) * 2013-07-25 2013-12-25 陕西兴华环保科技有限公司 Biological cascade nest
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CN101492211A (en) * 2009-02-27 2009-07-29 山东大学 Spiral type circular current sewage water flocculation pool
CN103833158A (en) * 2012-11-23 2014-06-04 哈尔滨弘盛电力设备有限公司 Lath type aeration oxidation device
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109354158A (en) * 2018-11-20 2019-02-19 上海择希环保工程有限公司 Bio-trickling filter with denitrification functions
CN109502917A (en) * 2018-12-25 2019-03-22 兰州交通大学 A kind of residents underground powerless integration compound bio sewage-treatment plant and technique
CN110451645A (en) * 2019-09-19 2019-11-15 境友环保科技(北京)有限公司 A kind of municipal wastewater advanced treatment system and method

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