CN204111418U - The micro-formula of exposing to the sun of horizontal flow is ecological filter bed - Google Patents

The micro-formula of exposing to the sun of horizontal flow is ecological filter bed Download PDF

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Publication number
CN204111418U
CN204111418U CN201420546123.0U CN201420546123U CN204111418U CN 204111418 U CN204111418 U CN 204111418U CN 201420546123 U CN201420546123 U CN 201420546123U CN 204111418 U CN204111418 U CN 204111418U
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China
Prior art keywords
filter bed
unit
aquoiysis
sun
exposing
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Expired - Fee Related
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CN201420546123.0U
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Chinese (zh)
Inventor
蔡东栋
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LINAN DONGLAN ENVIRONMENTAL ENGINEERING Co Ltd
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LINAN DONGLAN ENVIRONMENTAL ENGINEERING Co Ltd
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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

The utility model belongs to ecological filter bed technical field, and it is ecological filter bed to refer in particular to the micro-formula of exposing to the sun of a kind of horizontal flow, comprises water collecting basin, lift unit, concurrent oxidation and aquoiysis unit and ecological filter bed unit; Described concurrent oxidation and aquoiysis unit comprises the hydrolytic tank of buried glass fibre reinforced plastic structure, and hydrolytic tank inside is provided with soft-filler; Soft-filler is used for the hydrolysis of the concurrent oxidation and aquoiysis bacterium in enhanced hydrolysis pond, and retains the particulate matter in sanitary sewage; Described ecological filter bed unit comprises multiple horizontal filter bed, connected by draining branch road between adjacent two filter beds, two adjacent draining branch roads lay respectively at the both sides up and down of filter bed, and filter bed inside is provided with functional stuffing, and filter bed upper surface kind is implanted with green plants; Described filter bed is connected with microkinetic aeration aerating system respectively.The utility model has the strong advantage of energy-efficient, simple and easy to do, shock-resistant ability, and it is reliable, and efficiency is high, convenient management, and maintenance and repair workload is few, obvious energy conservation.

Description

The micro-formula of exposing to the sun of horizontal flow is ecological filter bed
Technical field
The utility model belongs to ecological filter bed technical field, and it is ecological filter bed to refer in particular to the micro-formula of exposing to the sun of a kind of horizontal flow.
Background technology
Provincial government of Zhejiang Provincial Commission sizes up the current situation, and makes Major Strategic decision-making, forces idea of development to change, forces the mode of production to change, force mode of life to change with " five water are controlled altogether ", complies with the people and to make the life better the requirement of quality.Water conservation environment, regulation sewage has laid out the most important thing of environmental protection work, is that Zhejiang Province makes the overall arrangement for the active demand advancing Ecological Civilization Construction.Haining provincial government of municipal Party committee active response is called, and conscientiously carries out " five water are controlled altogether " engineering, overwhelming force that the current whole city is formed " five water are controlled altogether ".
" five water are controlled altogether, and pollution treatment is leading ".At present, Haining City just has the domestic sewage in rural areas of considerable influence to carry out to water system river water quality to administer pilot project in flakes.Peach garden village, Yan Guan town is this pilot project selected also.Peach garden village is positioned at the southeast, Jiaxing City, Zhejiang Province, and lake salt highway is by north, Xie Guan village, the north-westward southeast, and Chang Mount river is supported in south, east depends on Tu Dian town, to the Kang Jing pool.Full village has jurisdiction over 18 natural villages, and each natural villager where one's clan livess, and forms village.At present, full village has about 1200 families, about more than 4500 people.A certain amount of sanitary sewage can be produced in villager's daily life, comprise lavatory flushing water, have a bath sewage and kitchen waste water etc., in waste water, principal character pollutent is dissolved organic matter, ammonia nitrogen, phosphorus and bacterium etc.If this waste water directly enters surface drainage system without effective process, detrimentally affect will inevitably be caused to periphery water system environment.For this reason, Haining City be correlated with functional department determine special administration pilot (pilot scale is 30t/d) is carried out to this village's sanitary sewage disposal, guarantee sewage stably reaching standard discharge after collection and treatment, meet environmental requirement, eliminate this village's sanitary sewage to village's surrounding enviroment and ecological detrimentally affect.
After measured, the wastewater biodegradability of domestic sewage in rural areas is better, organic pollutant major surfaces is chemical oxygen demand (COD) (CODcr) and biochemical oxygen demand (BOD) (BOD5), belongs to readily biodegradable organic waste water type, and treatment process should based on biological treatment.Containing the ammonia nitrogen of higher concentration and phosphorus in waste water, concentration of suspension higher building, waste water fluctuation comparatively large (producing point three periods by sanitary sewage, early, middle and late genus peak period, water displacement Relatively centralized).
Summary of the invention
The purpose of this utility model is to provide one generally can be applicable to rural environment, safe and reliable, and the micro-formula of exposing to the sun of the horizontal flow of good purification is ecological filter bed.
The purpose of this utility model is achieved in that
The micro-formula of exposing to the sun of horizontal flow is ecological filter bed, comprises
Water collecting basin, it is concentrated for the sanitary sewage after the stool detection that peasant household discharged;
Lift unit, it is for being promoted in concurrent oxidation and aquoiysis unit by the sanitary sewage in water collecting basin;
Concurrent oxidation and aquoiysis unit, it is for changing into small organic molecule by organism in sanitary sewage;
Ecological filter bed unit, it is for after in sanitary sewage, organic pollutant purifies;
Described concurrent oxidation and aquoiysis unit comprises the hydrolytic tank of buried glass fibre reinforced plastic structure, and hydrolytic tank inside is provided with soft-filler; Soft-filler is used for the hydrolysis of the concurrent oxidation and aquoiysis bacterium in enhanced hydrolysis pond, and retains the particulate matter in sanitary sewage;
Described ecological filter bed unit comprises multiple horizontal filter bed, connected by draining branch road between adjacent two filter beds, two adjacent draining branch roads lay respectively at the both sides up and down of filter bed, and filter bed inside is provided with functional stuffing, and filter bed upper surface kind is implanted with green plants; Described filter bed is connected with microkinetic aeration aerating system respectively, and microkinetic aeration aerating system is filter bed oxygen supply and makes it keep aerobic environment.
Preferably, described functional stuffing comprises gravel filling, denitrogenation dephosphorizing multimedium filler, sand filler.
Preferably, described denitrogenation dephosphorizing multimedium filler comprises the gravel of different-grain diameter, rubble, zeolite and slag.
Preferably, green plants comprises cattail, reed, calamus and aquatic Canna generalis Bailey.
Preferably, described lift unit comprises self-priming lift pump and water-filled pipe.
Preferably, fine fack pretreatment unit is provided with between described lift unit and concurrent oxidation and aquoiysis unit.
Following table 1 is the design influent quality (Con trolling index) after septic tank process,
Sequence number Pollutent title Water inlet index
1 pH 6~9
2 CODcr ≤300
3 BOD 5 ≤150
4 SS ≤200
5 NH 3-N ≤45
6 T-P ≤2.5
Table 1. designs influent quality (Con trolling index) unit: except mg/L, pH
Following table 2 is effluent quality (Con trolling index) after treatment,
Sequence number Pollutent title Effluent index Target contaminant clearance
1 pH 6~9 ---
2 CODcr ≤50 ≥83.3
3 BOD 5 ≤10 ≥93.3
4 SS ≤10 ≥95.5
5 NH3-N ≤5(8) ≥88.9(82.2)
6 T-P ≤0.5 ≥80
Table 2. designs effluent quality (Con trolling index) unit: except mg/L, pH
Wherein: when influent COD is less than 100mg/L, clearance is greater than 60%; During water temperature >12 DEG C, ammonia nitrogen concentration performs 5mg/L Con trolling index, and during water temperature≤12 DEG C, ammonia nitrogen concentration performs 8mg/L Con trolling index.
Main component in sanitary sewage:
(1)BOD 5
Water outlet BOD as requested 5index is 10mg/L, and corresponding clearance is, 93.3%, meet " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level emission standard A.
From some sewage treatment process of normal employing at present, this index request is higher.When requiring to carry out nitrated or nitrated and denitrification to sewage, after process, water outlet BOD5 concentration is lower than 10mg/L.This is because autotrophic type Nitrosomas has very little Specific incremental rate, with removal carbon source heterotroph biophase than more than a little order of magnitude, the nitrification removing ammonia nitrogen is therefore needed to remove carbon source BOD than simple 5sewage treatment systems should have longer sludge age or lower sludge loading.With this understanding, BOD 5clearance is not difficult to reach emission standard requirement.
According to water outlet NH 3the requirement of-N, pilot project must adopt the sewage treatment process with stronger denitrification functions, therefore BOD 5value is not the priority control index for the treatment of process, neither the emphasis processing item of this engineering.
(2)CODcr
Water outlet CODCr index is the corresponding clearance of 50mg/L is as requested 83.3%, should meet " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) one-level emission standard A.
Equally, because nitrifying process is to the prolongation in system mud age, make the clearance of CODcr have raising by a relatively large margin with BOD5, and because of few containing recalcitrant substance, therefore CODcr is not the priority control index of this engineering.
(3) suspended substance (SS)
Require that water outlet SS concentration is less than 10mg/L, clearance is 95%, requires to reach very high clearance.
According to external available data, when adopting Biological Phosphorus Removal Processes, organophosphorus contained in water outlet SS is very most of by what account in 0.5mg/L phosphorus discharge index.Therefore, pilot project suspended substance (SS) is emphasis processing item, pay close attention to.
(4)NH 3-N
Require that water outlet NH3-N is less than 5 (8) mg/L, do not consider influence factor such as water inlet organonitrogen, water outlet organonitrogen etc., its NH 3-N clearance requires to reach more than 80%.
The removal of sewage treatment plant inflow ammonia nitrogen has mainly come by nitrification and denitrification process, and the nitrifying process of ammonia nitrogen will become the principal element controlling the design of biochemical treatment aerobic unit.Meet and be less than 5 (8) mg/L water outlet requirements, in fact need to carry out the completely nitrated of ammonia nitrogen, the requirement that in water outlet, residual ammonia nitrogen concentration will specify lower than emission standard, at least should control within 5mg/L in the design.
Carry out completely nitrated while, carbon source is also oxidized, will obtain higher BOD 5clearance, the BOD of water outlet 5will lower than 10mg/L.
Therefore, NH 3-N is the emphasis processing item of pilot project.
(5) phosphoric acid salt (i.e. TP)
Require that water outlet TP concentration is less than 0.5mg/L, clearance is 80%, requires quite high.
Meet the requirement of water outlet phosphorus concentration lower than 0.5mg/L, employing has the sewage treatment process of biological phosphorus removal functional or carries out chemical dephosphorization.The removal of phosphorus will determine the type of selected sewage treatment process to a great extent, and phosphorus is the emphasis processing item of this pilot project.
In sum, the emphasis processing item of peach garden village sewage disposal pilot project comprises SS, NH 3-N and TP, these projects need the controlling factor that emphasis is considered in technological design, all the other index BOD 5, CODcr etc. then needs to take into account consideration.
In above-mentioned emphasis processing item, SS mainly solves (by precipitating or filtering removal) by physical method, and COD cr, BOD 5, NH 3-N then will lean on the method for biological treatment to solve, and the removal of TP is aided with chemical process dephosphorization.
The utility model gives prominence to compared to existing technology and useful technique effect is:
The utility model has the strong advantage of energy-efficient, simple and easy to do, shock-resistant ability, and it is reliable, and efficiency is high, convenient management, and maintenance and repair workload is few, obvious energy conservation;
Guarantee after wastewater treatment of the present utility model that effluent index all reaches national emission request, and meeting environmental protection planning requirement, the main water-quality guideline of water outlet reaches the one-level A standard of Sewage Water Emissions in country " urban wastewater treatment firm pollutant emission standard " (GB18918-2002).
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present utility model.
Fig. 2 is schematic layout pattern of the present utility model.
In figure: 1-fine fack pretreatment unit; 2-draining branch road; 3-green plants; 4-water shoot; The ecological filter bed unit of 5-; 6-filter bed; 7-microkinetic aeration aerating system; 8-concurrent oxidation and aquoiysis unit; 9-lift unit; 10-water collecting basin.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
The micro-formula of exposing to the sun of horizontal flow is ecological filter bed, comprises
Water collecting basin 10, it is concentrated for the sanitary sewage after the stool detection that peasant household discharged;
Lift unit 9, it is for being promoted in concurrent oxidation and aquoiysis unit by the sanitary sewage in water collecting basin;
Concurrent oxidation and aquoiysis unit 8, it is for changing into small organic molecule by organism in sanitary sewage;
Ecological filter bed unit 5, it is for after in sanitary sewage, organic pollutant purifies;
Described concurrent oxidation and aquoiysis unit 8 comprises the hydrolytic tank of buried glass fibre reinforced plastic structure, and hydrolytic tank inside is provided with soft-filler; Soft-filler is used for the hydrolysis of the concurrent oxidation and aquoiysis bacterium in enhanced hydrolysis pond, and retains the particulate matter in sanitary sewage; The patty filler that soft-filler can adopt polyvinyl chloride, polypropylene, Propylene polymerization etc. to make.
Described ecological filter bed unit 5 comprises multiple horizontal filter bed 6, connected by draining branch road 2 between adjacent two filter beds 6, two adjacent draining branch roads 2 lay respectively at the both sides up and down of filter bed 6, and filter bed inside is provided with functional stuffing, and filter bed upper surface kind is implanted with green plants; Described filter bed is connected with microkinetic aeration aerating system 7 system respectively, and microkinetic aeration aerating system 7 is for filter bed oxygen supply and make it keep aerobic environment; Microkinetic aeration aerating system comprises and is arranged on blower fan in machine room and aeration pipe network system.
Preferably, described functional stuffing comprises gravel filling, denitrogenation dephosphorizing multimedium filler, sand filler.
Preferably, described denitrogenation dephosphorizing multimedium filler comprises the gravel of different-grain diameter, rubble, zeolite and slag.
Preferably, green plants 3 comprises cattail, reed, calamus and aquatic Canna generalis Bailey.
Preferably, described lift unit 9 comprises self-priming lift pump and water-filled pipe.
Preferably, fine fack pretreatment unit 1 is provided with between described lift unit 9 and concurrent oxidation and aquoiysis unit 8.Fine fack pretreatment unit 1 adopts the grizzly bar of stainless steel, grizzly bar gap 3-5mm, region area 577mm × 600mm that grizzly bar is formed.Grizzly bar tilts to install, and the angle of grizzly bar and horizontal plane is 60 °.Under meter can the discharge of sewage of statistical treatment.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.

Claims (6)

1. the micro-formula of exposing to the sun of horizontal flow is ecological filter bed, comprises
Water collecting basin, it is concentrated for the sanitary sewage after the stool detection that peasant household discharged;
Lift unit, it is for being promoted in concurrent oxidation and aquoiysis unit by the sanitary sewage in water collecting basin;
Concurrent oxidation and aquoiysis unit, it is for changing into small organic molecule by organism in sanitary sewage;
Ecological filter bed unit, it is for after in sanitary sewage, organic pollutant purifies;
It is characterized in that, described concurrent oxidation and aquoiysis unit comprises the hydrolytic tank of buried glass fibre reinforced plastic structure, and hydrolytic tank inside is provided with soft-filler; Soft-filler is used for the hydrolysis of the concurrent oxidation and aquoiysis bacterium in enhanced hydrolysis pond, and retains the particulate matter in sanitary sewage;
Described ecological filter bed unit comprises multiple horizontal filter bed, connected by draining branch road between adjacent two filter beds, two adjacent draining branch roads lay respectively at the both sides up and down of filter bed, and filter bed inside is provided with functional stuffing, and filter bed upper surface kind is implanted with green plants; Described filter bed is connected with microkinetic aeration aerating system respectively, and microkinetic aeration aerating system is filter bed oxygen supply and makes it keep aerobic environment; Microkinetic aeration aerating system comprises and is arranged on blower fan in machine room and aeration pipe network system.
2. the micro-formula of exposing to the sun of horizontal flow according to claim 1 is ecological filter bed, it is characterized in that, described functional stuffing comprises gravel filling, denitrogenation dephosphorizing multimedium filler, sand filler.
3. the micro-formula of exposing to the sun of horizontal flow according to claim 1 is ecological filter bed, it is characterized in that, described denitrogenation dephosphorizing multimedium filler comprises the gravel of different-grain diameter, rubble, zeolite and slag.
4. the micro-formula of exposing to the sun of horizontal flow according to claim 1 is ecological filter bed, it is characterized in that, green plants comprises cattail, reed, calamus and aquatic Canna generalis Bailey.
5. the micro-formula of exposing to the sun of horizontal flow according to claim 1 is ecological filter bed, and it is characterized in that, described lift unit comprises self-priming lift pump and water-filled pipe.
6. the micro-formula of exposing to the sun of horizontal flow according to claim 1 is ecological filter bed, it is characterized in that, is provided with fine fack pretreatment unit between described lift unit and concurrent oxidation and aquoiysis unit.
CN201420546123.0U 2014-09-22 2014-09-22 The micro-formula of exposing to the sun of horizontal flow is ecological filter bed Expired - Fee Related CN204111418U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105731731A (en) * 2016-03-25 2016-07-06 薛向东 River course point source pollution interception purification system
CN106630142A (en) * 2016-11-21 2017-05-10 辽宁北方环境保护有限公司 Micro-dynamic multi-stage biological filter bed equipment for treating low-pollution water

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105731731A (en) * 2016-03-25 2016-07-06 薛向东 River course point source pollution interception purification system
CN105731731B (en) * 2016-03-25 2018-06-05 浙江科技学院 River point-source pollution intercepts cleaning system
CN106630142A (en) * 2016-11-21 2017-05-10 辽宁北方环境保护有限公司 Micro-dynamic multi-stage biological filter bed equipment for treating low-pollution water
CN106630142B (en) * 2016-11-21 2020-02-18 辽宁北方环境保护有限公司 Micro-power multi-stage biological filter bed equipment for treating low-pollution water

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150121

Termination date: 20150922

EXPY Termination of patent right or utility model