CN209161794U - It is a kind of for handling the integrated high-efficiency sewage treatment device of city domestic sewage - Google Patents

It is a kind of for handling the integrated high-efficiency sewage treatment device of city domestic sewage Download PDF

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Publication number
CN209161794U
CN209161794U CN201821914124.0U CN201821914124U CN209161794U CN 209161794 U CN209161794 U CN 209161794U CN 201821914124 U CN201821914124 U CN 201821914124U CN 209161794 U CN209161794 U CN 209161794U
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China
Prior art keywords
biological aerated
aerated filter
integrated
handling
sewage treatment
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CN201821914124.0U
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Inventor
蔡聆聆
张开现
何庚砰
陈翠群
闫晓满
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Guangzhou Peng Kai Environmental Polytron Technologies Inc
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Guangzhou Peng Kai Environmental Polytron Technologies Inc
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Abstract

The utility model belongs to technical field of sewage treatment equipment, and in particular to a kind of for handling the integrated high-efficiency sewage treatment device of city domestic sewage.Efficient sewage treatment installation provided by the utility model mainly includes sequentially connected grid, conditioning tank, elevator pump, preposition high-density packing anoxic pond, pipe-line mixer, sedimentation basin, BAF biological aerated filter and filtered water tank.Integrated high-efficiency sewage treatment device provided by the utility model is able to solve biological aerated filter to the water inlet demanding problem of concentration of suspension, can be reduced backwash frequency, energy saving;Effluent quality is substantially increased, water outlet is made to reach level-one A standard.

Description

It is a kind of for handling the integrated high-efficiency sewage treatment device of city domestic sewage
Technical field
The utility model belongs to technical field of sewage treatment equipment, and in particular to a kind of for handling city domestic sewage Integrated high-efficiency sewage treatment device.
Background technique
In recent years, the rate of economic development in China city is relatively fast, the sewage for producing and living in city and generate Quantity is also gradually increasing, and China's treatment rate of domestic sewage is not high compared with developed countries, and technique there are also to be improved, also compare by management Relatively fall behind, average every 1,500,000 people or so just possesses a sewage treatment plant, and builds there is also sewage disposal device and effectively throw The problems such as money utilization rate and processing compliance rate are low.As Process of Urbanization Construction is quickened one's step, city old town sewage network is The drawbacks of through being not suitable for, gradually exposing unreasonable distribution, overload, the difficult and traditional AAO, SBR of comprehensive rectification, The technologies such as AO, oxidation ditch, artificial swamp, land occupation is big, treatment effeciency is low, capacity of resisting impact load is poor, very not applicable, In order to solve problems, develop that a kind of cost of investment is low, occupied area is small, capacity of resisting impact load is strong, dispersible processing The integration apparatus of sanitary sewage is too impatient to wait.
About the processing method of city domestic sewage, Chinese patent CN104556557B discloses a kind of CIT municipal sewage Processing system, the system include pretreatment unit grid pond, two stage treatment device aeration tank and the first sedimentation basin, tertiary treatment dress Set biological nitrogen processing unit, biological dephosphorization device and chlorination equipment.Although the utility model simple process, easy to operate, and can The organic matter in municipal sewage is removed, but the contaminants removals rate such as inorganic matter nitrogen phosphorus is lower, processed sewage is only capable of reaching National grade ii standard.
Chinese patent CN103755108B discloses a kind of purifying treatment method of city domestic sewage, including successively carries out Pre-treatment step, biological respinse step, filtration step, sterilisation step and adsorption step.Pre-treatment step can go desanding Stone and large-sized floating material provide stable water source for subsequent processing;Biological respinse step realizes city domestic sewage Low-carbon, efficiently removal have processing load high, high treating effect, without additional organic and inorganic carbon source, oxygen demand and regurgitant volume It is low;Filtration step further eliminates tiny particles content and suspended matter in sewage;Sterilisation step is gone out in addition to included in sewage The hygienic hazards biology such as bacterium, virus;Adsorption step, can efficiently remove calcium ions and magnesium ions in sewage, fluorine ion and other Heavy metal ion.Product water after purified treatment, pollutant are substantially removed, water stabilization, and water quality is better than country-level A Standard.But this method takes up a large area, and higher cost easily causes secondary pollution.
In conclusion in the prior art for there are still treated in city domestic sewage integrated equipment for wastewater treatment The problems such as sewage denitrification and dephosphorization effect is poor, and technique takes up a large area, and system operation energy consumption is high, difficult in maintenance.
Utility model content
In order to solve the problems in the existing technology, the purpose of this utility model is to provide one kind for handling city The integrated high-efficiency sewage treatment device of sanitary sewage.It is provided by the utility model have energy conservation, efficiently, effluent quality is good, accounts for The features such as ground area is small, small investment, and processing cost is low, easily operated.And high-efficiency sewage processing provided by the utility model is set The standby biological aerated filter that is able to solve, being capable of distributing centralized processing life dirt to the water inlet demanding problem of concentration of suspension Water reduces backwash frequency, energy saving;Effluent quality is substantially increased, water outlet is made to reach level-one A standard.
The technical solution of the utility model is:
It is a kind of for handling the integrated high-efficiency sewage treatment device of city domestic sewage, including sequentially connected adjusting Pond, preposition high-density packing anoxic pond, sedimentation basin, BAF biological aerated filter and filtered water tank;The conditioning tank be additionally provided with grid and Elevator pump, the conditioning tank end are connected by elevator pump with the bottom of anoxic pond, and the top of the anoxic pond is mixed with pipeline Device is connected, and the other side of the pipe-line mixer is connected with the bottom of sedimentation basin, and the sedimentation basin is by sludge reflux pump and adjusts Save Chi Xianglian;The top of the sedimentation basin is connected with the bottom of BAF biological aerated filter;At the top of the BAF biological aerated filter It is connected by mixed liquor mixed-flow pump with anoxic pond;Also it is connected with the filtered water tank at the top of the BAF biological aerated filter.
Further, the integrated high-efficiency sewage treatment device for handling city domestic sewage is additionally provided with blower, The blower is connected with anoxic pond and BAF biological aerated filter respectively.
Further, the BAF biological aerated filter is followed successively by boring aeration pipe, strainer head, hole membranes from the bottom up Aerator, cobblestone and haydite.
Further, which is characterized in that the anoxic bottom of pond portion secures high-density fiber filler.
Further, the pipe-line mixer is equipped with PAC chemicals dosing plant and PAM chemicals dosing plant.
Further, the BAF biological aerated filter, conditioning tank, anoxic pond sedimentation basin and filtered water tank are carbon steel structure.
Further, the Inlet and outlet water mode between the anoxic pond, sedimentation basin and biological aerated filter is bottom in and top out.
Further, the bottom of the anoxic pond, sedimentation basin and BAF biological aerated filter is respectively provided with a mud discharging mouth.
Further, the BAF biological aerated filter mud discharging mouth is connect with BAF backwashing pump, controls Inlet and outlet water by valve, Backwash water inlet enters BAF biological aerated filter region from the BAF biological aerated filter mud discharging mouth.
Further, city domestic sewage enters the operational process of integration apparatus in the utility model are as follows: sanitary sewage Grid is first passed through, passes through highdensity fiberfill into anoxic bottom of pond portion into conditioning tank, then by the effect of elevator pump Impurity in retention and processing water, treated, and water enters pipe-line mixer at the top of anoxic pond, is added by PAC chemicals dosing plant, PAM Medicine device carries out dosing coagulation process, enters back into sedimentation basin and carries out precipitation process, further removes suspended matter and total phosphorus in water, located Water after reason then enters from biological aerated filter bottom, with strainer head water distribution, is aerated with single-hole membrane aerator, use is filled out Material is haydite, and bottom cobblestone place mat is discharged from top finally by the sanitary sewage of biochemical treatment, arranges into filtered water tank Out.A part of nitrification liquid of BAF biological aerated filter is back to anoxic pond by mixed liquor reflux pump, promotes denitrification efficiency.It is heavy Shallow lake bottom of pond portion partial sludge is flowed back into system by sludge reflux pump.
Further, it since BAF biological aerated filter need to be backwashed periodically, then still needs in BAF biological aerated filter Region is laid with boring aeration pipe, periodically carries out air-water backwashing.Backwash process frequently with: " air purge → air water simultaneously backwash → Three steps of water rinsing ".The air purge stage closes water-in and water-out valve and dissolved air water valve, opens air intake valve, it is therefore an objective to loosen filtrate Layer, expands filter material layer.The combined water and air backwash stage keeps backwash air inlet, while starting BAF backwashing pump, opens backwash Inlet valve, it is therefore an objective to rinse away the microbial film of the suspended matter retained on filtrate and aging.Clear water backwash stage is closed Air intake valve is backwashed, backwash water inlet is maintained only to carry out a water rinsing, it is therefore an objective to by the micro- of the suspended matter of filter material surface and aging Biomembrane rinses away.
In integrated high-efficiency sewage treatment device provided by the utility model for handling city domestic sewage, preposition height Density anoxic pond, is all the water intake mode of bottom in and top out between sedimentation basin and biological aerated filter, and water distribution, is not easy uniform air distribution Blocking, and the loss of anoxic pond, Discussion of Biological Aerated Filter Medium is effectively prevented, wastewater treatment efficiency is significant.Aeration and biological filter A part of nitrification liquid is back to anoxic pond by mixed liquor reflux pump by pond, and regurgitant volume 300% supplements nitre for denitrifying bacteria Denitrification efficiency can be improved in state nitrogen, removes total nitrogen.
In integrated high-efficiency sewage treatment device provided by the utility model for handling city domestic sewage, anoxic pond Region has the characteristics that easy to be filmed, easy cleaning, intercepts suspended matter, fiberfill is fixed using high-density fiber filler In the bottom in pond, water plant is simulated, in backwash, gas and water enter from bottom, fiberfill punching are floated up, aging is dirty Mud and rubbish fast-falling are discharged from water outlet.
In integrated high-efficiency sewage treatment device provided by the utility model for handling city domestic sewage, aeration life Object filter tank region is using ceramics filling, and with large specific surface area, easy bio-film colonization, intensity is high, wear-resistant and cheap The characteristics of, cobblestone is layered on filter plate, then ceramics filling is layered on cobblestone, water flow and gas rise to top from bottom Portion, air water cocurrent flow, mass-transfer efficiency is high, and treatment effect is stablized.
Compared with prior art, at the integrated high-efficiency sewage provided by the utility model for handling city domestic sewage Reason equipment has the advantage that
(1) provided by the utility model for handling the integrated high-efficiency sewage treatment device of city domestic sewage, it is preposition High density anoxic pond has the characteristics that easy to be filmed, easy cleaning, intercepts suspended matter using fiberfill;Biological aerated filter Region has the advantages that large specific surface area, easy bio-film colonization, intensity are high, wear-resistant and cheap using ceramics filling.
(2) provided by the utility model for handling the integrated high-efficiency sewage treatment device of city domestic sewage, land occupation Area is small, at low cost, easily operated, can distributing focus on sanitary sewage, reduce backwash frequency, energy saving;And And biological aerated filter is able to solve to the water inlet demanding problem of concentration of suspension;Effluent quality is substantially increased, makes to be discharged Reach level-one A standard.
Detailed description of the invention
Fig. 1 is the plane design drawing of the utility model;
In Fig. 2, A is anoxic pond main view, and B is anoxic pond top view;
In Fig. 3, A is sedimentation basin main view, and B is sedimentation basin top view;
Fig. 4 is BAF biological aerated filter structure chart.
In figure: 1, grid;2, conditioning tank;3, elevator pump;4, anoxic pond;5, fiberfill;6, pipe-line mixer;7,PAC Chemicals dosing plant;8, PAM chemicals dosing plant;9, sedimentation basin;11, mixed liquor reflux pump;12, BAF biological aerated filter;13, perforation exposes Tracheae;14, strainer head;15, single hole aerator;16, cobblestone;17, haydite;18, BAF backwashing pump;19, filtered water tank;20, clear Water tank.
Specific embodiment
Below by way of the description of specific embodiment, the utility model is described in further detail, but this is not practical to this Novel limitation, those skilled in the art's basic thought according to the present utility model, can make various modifications or improvements, still Without departing from the basic thought of the utility model, it both is within the protection scope of the present invention.
It is a kind of for handling the integrated high-efficiency sewage treatment device of city domestic sewage, including sequentially connected conditioning tank 2, preposition high-density packing anoxic pond 4, sedimentation basin 9, BAF biological aerated filter 12 and filtered water tank 19;The conditioning tank 2 is additionally provided with Grid 1 and elevator pump 3,2 end of conditioning tank are connected by elevator pump 3 with the bottom of anoxic pond 4,4 bottom of anoxic pond Fiberfill 5 is secured, the top of the anoxic pond 4 is connected with pipe-line mixer 6, and the mixing tube logos and utensils 6 is equipped with PAC Chemicals dosing plant 7 and PAM chemicals dosing plant 8.The other side of the pipe-line mixer 6 is connected with the bottom of sedimentation basin 9, the sedimentation basin 9 are connected by sludge reflux pump 10 with conditioning tank 2;The bottom phase at the top of the sedimentation basin 9 and BAF biological aerated filter 12 Even;It is connected by mixed liquor mixed-flow pump 11 with anoxic pond 4 at the top of the BAF biological aerated filter 12;The BAF aeration and biological filter 12 top of pond is also connected with the filtered water tank 19.
The integrated high-efficiency sewage treatment device for handling city domestic sewage is additionally provided with blower 20, the blower 20 are connected with anoxic pond 4 and BAF biological aerated filter 12 respectively, are 12 blast aeration of anoxic pond 4 and BAF biological aerated filter.
The BAF biological aerated filter is followed successively by boring aeration pipe 13, strainer head 14, single-hole membrane aerator from the bottom up 15, cobblestone 16 and haydite 17.
Inlet and outlet water mode between the anoxic pond 4, sedimentation basin 9 and BAF biological aerated filter 12 is bottom in and top out, and Bottom is respectively provided with a mud discharging mouth.
12 mud discharging mouth of BAF biological aerated filter is connect with BAF backwashing pump 18, controls Inlet and outlet water, backwash by valve Water inlet enters BAF biological aerated filter region from 12 mud discharging mouth of BAF biological aerated filter.
City domestic sewage enters the operational process of integration apparatus in the present embodiment are as follows: and sanitary sewage first passes through grid 1, Into conditioning tank 2, then pass through the effect of elevator pump 3, into 4 bottom of anoxic pond, is retained and located by highdensity fiberfill 5 The impurity in water is managed, treated, and water enters pipe-line mixer 6 at the top of anoxic pond 4, is filled by PAC chemicals dosing plant 7, PAM dosing 8 carry out dosing coagulation process are set, sedimentation basin 9 is entered back into and carries out precipitation process, further remove concentration of suspension and total phosphorus, located Water after reason then enters from 12 bottom of biological aerated filter, with 14 water distribution of strainer head, is aerated, is adopted with single-hole membrane aerator 15 Filler is haydite 17, and bottom 16 place mat of cobblestone is discharged from top finally by the sanitary sewage of biochemical treatment, enters Filtered water tank 19 is discharged.Nitrification liquid in biological aerated filter 12 is back to anoxic pond 4 by mixed liquor reflux pump 11, and regurgitant volume is 300%, promote denitrification efficiency.Sedimentation basin bottom part sludge is flowed back into system by sludge reflux pump 10.
Since biological aerated filter need to be backwashed periodically, then still needs to be laid in BAF biological aerated filter region 12 and wear Hole aeration tube 13 periodically carries out air-water backwashing.Backwash process is frequently with " backwash → water simultaneously of air purge → air water rinses " three Step.The air purge stage closes water-in and water-out valve and dissolved air water valve, opens air intake valve, it is therefore an objective to loosen filter material layer, make filtrate Layer expansion.The combined water and air backwash stage keeps backwash air inlet, while starting BAF backwashing pump 18, opens backwash inlet valve, Purpose is that the microbial film for the suspended matter and aging that will be retained on filtrate rinses away.Clear water backwash stage closes backwash Air intake valve maintains backwash water inlet only to carry out water rinsing, it is therefore an objective to by the microbial film of the suspended matter of filter material surface and aging Flushing is gone out.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.

Claims (8)

1. a kind of for handling the integrated high-efficiency sewage treatment device of city domestic sewage, which is characterized in that including successively connecting Conditioning tank, preposition high-density packing anoxic pond, sedimentation basin, BAF biological aerated filter and the filtered water tank connect;
The conditioning tank is additionally provided with grid and elevator pump, and the conditioning tank end is connected by elevator pump with the bottom of anoxic pond, The top of the anoxic pond is connected with pipe-line mixer, and the other side of the pipe-line mixer is connected with the bottom of sedimentation basin, institute Sedimentation basin is stated to be connected by sludge reflux pump with conditioning tank;The bottom phase at the top of the sedimentation basin and BAF biological aerated filter Even;It is connected by mixed liquor mixed-flow pump with anoxic pond at the top of the BAF biological aerated filter;BAF biological aerated filter top Portion is also connected with the filtered water tank;
The integrated high-efficiency sewage treatment device for handling city domestic sewage is additionally provided with blower, the blower respectively with Anoxic pond is connected with BAF biological aerated filter.
2. as described in claim 1 for handling the integrated high-efficiency sewage treatment device of city domestic sewage, feature exists In, the BAF biological aerated filter be followed successively by from the bottom up boring aeration pipe, strainer head, single-hole membrane aerator, cobblestone and Haydite.
3. as described in claim 1 for handling the integrated high-efficiency sewage treatment device of city domestic sewage, feature exists In the anoxic bottom of pond portion secures high-density fiber filler.
4. as described in claim 1 for handling the integrated high-efficiency sewage treatment device of city domestic sewage, feature exists In the pipe-line mixer is equipped with PAC chemicals dosing plant and PAM chemicals dosing plant.
5. as described in claim 1 for handling the integrated high-efficiency sewage treatment device of city domestic sewage, feature exists In the BAF biological aerated filter, conditioning tank, anoxic pond sedimentation basin and filtered water tank are carbon steel structure.
6. as described in claim 1 for handling the integrated high-efficiency sewage treatment device of city domestic sewage, feature exists In the Inlet and outlet water mode between the anoxic pond, sedimentation basin and biological aerated filter is bottom in and top out.
7. as described in claim 1 for handling the integrated high-efficiency sewage treatment device of city domestic sewage, feature exists In the bottom of the anoxic pond, sedimentation basin and BAF biological aerated filter is respectively provided with a mud discharging mouth.
8. as claimed in claim 7 for handling the integrated high-efficiency sewage treatment device of city domestic sewage, feature exists In the BAF biological aerated filter mud discharging mouth is connect with BAF backwashing pump, controls Inlet and outlet water by valve, backwash is intake from described BAF biological aerated filter mud discharging mouth enters BAF biological aerated filter region.
CN201821914124.0U 2018-11-20 2018-11-20 It is a kind of for handling the integrated high-efficiency sewage treatment device of city domestic sewage Active CN209161794U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023463A (en) * 2020-08-26 2020-12-04 北京华宇辉煌生态环保科技股份有限公司 Full-automatic two-stage backwashing sewage filtering system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023463A (en) * 2020-08-26 2020-12-04 北京华宇辉煌生态环保科技股份有限公司 Full-automatic two-stage backwashing sewage filtering system
CN112023463B (en) * 2020-08-26 2021-08-06 北京华宇辉煌生态环保科技股份有限公司 Full-automatic two-stage backwashing sewage filtering system

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Integrated and efficient sewage treatment equipment for treating urban domestic sewage

Effective date of registration: 20200610

Granted publication date: 20190726

Pledgee: Guangzhou Branch of Guangzhou Bank Co.,Ltd.

Pledgor: GUANGZHOU PENGKAI ENVIRONMENT TECHNOLOGY Co.,Ltd.

Registration number: Y2020980002964