CN202449889U - Distributed water treatment device based on dynamic membrane - Google Patents

Distributed water treatment device based on dynamic membrane Download PDF

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Publication number
CN202449889U
CN202449889U CN2012200464657U CN201220046465U CN202449889U CN 202449889 U CN202449889 U CN 202449889U CN 2012200464657 U CN2012200464657 U CN 2012200464657U CN 201220046465 U CN201220046465 U CN 201220046465U CN 202449889 U CN202449889 U CN 202449889U
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CN
China
Prior art keywords
pipe
water
valve
treatment device
jar
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Expired - Lifetime
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CN2012200464657U
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Chinese (zh)
Inventor
欧阳清华
苏蕾
李杰圣
黄秀玲
刘华波
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GUANGDONG ZHONGDA ENVIRONMENTAL PROTECTION TECHNOLOGY INVESTMENT CO LTD
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GUANGDONG ZHONGDA ENVIRONMENTAL PROTECTION TECHNOLOGY INVESTMENT CO LTD
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Priority to CN2012200464657U priority Critical patent/CN202449889U/en
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Publication of CN202449889U publication Critical patent/CN202449889U/en
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Abstract

The utility model relates to a distributed water treatment device based on a dynamic membrane. The distributed water treatment device based on the dynamic membrane comprises an outer tank, an inner tank, a water inlet pipe, an upper air inlet pipe, a lower air inlet pipe, a coagulant inlet pipe, an upper water outlet pipe, a membrane pipe and a sludge discharge pipe. The inner tank is arranged in the outer tank, both the water inlet pipe and the upper air inlet pipe pass through the upper end portion of the outer tank to be communicated with the inner tank, the lower air inlet pipe is communicated with the outer tank, the coagulant inlet pipe passes through the upper side of the outer tank to be connected to the bottom of the inner tank, the upper water outlet pipe is communicated with the upper side of the outer tank, the sludge discharge pipe is communicated with the lower end portion of the outer tank, the membrane pipe is arranged in the middle of the inside of the outer tank, a cake layer is arranged in the membrane pipe, an upper flow guide pipe and a lower flow guide pipe are respectively arranged on the upper side and the lower side of the membrane pipe, and the top of the upper flow guide pipe serves as a clean water zone. The distributed water treatment device based on the dynamic membrane is efficient in backflushing and rapid in membrane formation, removes membrane pollution and is an integrated water treatment device with nitrification and denitrification. The distributed water treatment device based on the dynamic membrane has the advantages of being modularized, small in occupied space, low in investment, high in automation degree, good in treatment effect, free of operation and management of specially-assigned persons and the like.

Description

A kind of distributing water treatment device based on Dynamic Membrane
Technical field
The utility model relates to a kind of water treatment device, is specifically related to a kind of water treatment device based on Dynamic Membrane that is used for decentralized type sewage, micro-polluted raw etc.
Background technology
Centralized Sewage treatment systems is through huge sewerage pipeline network, and sewage transport is handled to the municipal sewage plant; The distributing water treatment device is adapted to mainly that the water yield is few, centralized collection difficult treatment, former water need be grown distances, need be with regard to occasions such as telluric water reuses; Like WWTs such as hotel, hotel, boats and ships, some building sub-district, motorway service station, new rural areas, some micro-polluted raw from far-off regions is handled.These occasions adopt dispersion treatment to have more economy with utilizing to focus on.
To the domestic sewage in rural areas by using water yield, water quality characteristics and draining system characteristic; General single household or the joint household decentralized tupes etc. of adopting are suited measures to local conditions to choose treatment process technology such as sewage stabilization pond, artificial swamp, buried microkinetic, soil filtration or several kinds of combination procesies and are handled disperseing domestic sewage in rural areas by using.But these technologies exist the processing load low, and shortcomings such as denitrification effect is poor, hydraulic performance difference are difficult to reach the effluent quality requirement.Especially the breeding wastewater that also has some high densitys in the country sewage needs some new technologies of exploitation.
In addition; In " the Chinese science and technology information " of 2006 the 19th phase 56-57 pages or leaves; Name is called in the Chinese document of " research of the small-sized decentralized type sewage treatment system of Chinese countryside " to be pointed out: the rural area of China developed area and the combination area of city and country thereof, do not had a large amount of land resourcess at present and be used as artificial swamp and carry out WWT.Therefore the WWT in market town, village, rural area, the road of need walk miniaturized, change on the spot, distributing being handled.Membrane bioreactor is because its processing efficiency efficiently, is easy to automatic control, floor space is little in sewage treatment process, adopts in a large number.Country's high-tech research evolutionary operation(EVOP) main project, Eleventh Five-Year Plan water pollution control has all been carried out " the integrated film biofilm reactor is handled the domestic sewage in rural areas by using experimental study " with the scientific and technological great special project of improvement.
But the membrane module material cost and the energy consumption of present widely used membrane bioreactor are too high.Dynamic Membrane adopts material substitution conventional ultrafiltration materials such as wide aperture screen cloth, and cost reduces greatly.Adopt the operation scheme of intermittent aeration to make that then energy consumption reduces greatly.Dynamic membrane filtering just has great meliority on film cost and working cost, make bioreactor of dynamic membrane in the developed regions country sewage is handled, become possibility.But Dynamic Membrane often will experience such stage of back flushing-film forming, the stability limit of operation the large-scale application of Dynamic Membrane.
The utility model content
To the deficiency of prior art, the utility model provides the distributing water treatment device based on Dynamic Membrane that a kind of miniaturized, change on the spot, distributing processing and efficient are high and be easy to control.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of distributing water treatment device based on Dynamic Membrane comprises outer jar, interior jar, water inlet pipe, goes up inlet pipe, lower inlet duct, coagulating agent inlet tube, upper water-out pipe, film pipe, shore pipe, and interior jar is arranged in outer jar; Water inlet pipe and last inlet pipe all through outside jar the upper end jar link with interior, lower inlet duct links with outer jar, the bottom of coagulating agent inlet tube jar in outer jar upside is connected to; The upper water-out pipe links with the upside of outer jar; Shore pipe links with the bottom of outer jar, and the film pipe is arranged at the middle part in outer jar, is provided with cake layer in the film pipe; The upper and lower both sides of film pipe are respectively equipped with thrust-augmenting nozzle and following thrust-augmenting nozzle, and the top of last thrust-augmenting nozzle is a clear water zone.
Preferably; Also comprise the water intaking valve that is arranged on the water inlet pipe, be arranged at upper inlet valve on the inlet pipe, be arranged at lower inlet valve on the lower inlet duct, be arranged at variable valve on the upper water-out pipe, be arranged at a mud valve and a PLD on the shore pipe, said water intaking valve, upper inlet valve, lower inlet valve, variable valve, mud valve all electrically connect with PLD.
Preferably, variable valve and outside jar between the upper water-out pipe on also be provided with a under meter, the electric connection of said under meter and PLD.
Preferably, water intaking valve and outside jar between water inlet pipe on be provided with a feed-water end tensimeter, the electric connection of said feed-water end tensimeter and PLD.
As improvement, be provided with an ejector between water intaking valve and the feed-water end tensimeter, be connected with a common pipe between the two ends of said ejector.
As further improvement; Also comprise a return line, an end of said return line links to each other with ejector, and the other end is connected on the upper water-out pipe between outer jar and the under meter; Said return line is provided with a reverse flow valve, and said reverse flow valve and PLD electrically connect.
Preferably, also connect one on the upper water-out pipe and produce the water end (W.E.) tensimeter, said product water end (W.E.) tensimeter is located between return line and the under meter.
As improvement, produce on the upper water-out pipe between water end (W.E.) tensimeter and the under meter and also be provided with a turbidimeter, be provided with a turbidimeter inlet valve between said turbidimeter and the upper water-out pipe, said turbidimeter inlet valve and turbidimeter all electrically connect with PLD.
As improvement, also comprise a lower discharging tube, said lower discharging tube links with the downside of outer jar, and lower discharging tube is provided with outlet valve, and said outlet valve down and PLD electrically connect.
Preferably, the bottom of said outer jar and interior jar is respectively equipped with lower cone and upper cone, is provided with gas distribution pipe in the said lower cone, and said gas distribution pipe down is positioned at the downside of upper cone, and an outer jar of interior upside also is provided with gas distribution pipe on.
A kind of distributing water treatment device that the utility model is set forth based on Dynamic Membrane; Compared with prior art; Its beneficial effect is: the utility model adopts inside and outside two steel or glass reinforced plastic container made; Jar is designed to anaerobism, oxygen-starved area wherein, and its built-in dynamic membrane module adopts air compressor machine air feed, interior jar that the sewage import is arranged.Inside and outside pot bottom communicates; And dynamic film component constitute sewage passage, purifying waste water is between membrane module sealing plate and outer jar, can utilizes overbottom pressure to discharge according to design to supply reuse; Energy is fully used, and can be used as backflow during intermittent operation, strengthens nitration denitrification denitrogenation and handles.Its circulation power is from the ejector of overbottom pressure and water inlet pipe.Outer jar all has compressed air inlet with interior jar, just washes, backwash all can adopt air water to unite flushing.Film forming adopts big flow operation, and film formation time is short.Dynamic Membrane pipe cake layer can be preparatory film, also spontaneous film.Reactor bottom is provided with the taper bucket, can regularly get rid of the excess sludge treatment unit and reserve dosing mouth, can add prefilming agent and coagulating agent as required.And can change the flow of water according to the design of membrane module, and making it to become air-float technology and be used for oil removing and concentrated oil content, the utility model efficiently recoils, and eliminates that film pollutes, fast filming, possesses integrated water treatment device nitrated, denitrification denitrogenation simultaneously.It has modularization, it is few to take up an area of, and reduced investment, level of automation is high, treatment effect is good, does not need special messenger's operational administrative.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of distributing water treatment device based on Dynamic Membrane of the utility model;
Accompanying drawing 2 is the diagrammatic cross-section of film pipe among Fig. 1.
Wherein: 1, water intaking valve; 2, upper inlet valve; 3, lower inlet valve; 4, SV; 5, go up gas distribution pipe; 6, outer jar; 7, interior jar; 8, go up thrust-augmenting nozzle; 9, film pipe; 10, following thrust-augmenting nozzle; 11, following gas distribution pipe; 12, mud valve; 13, variable valve; 14, PLD; 15, by-pass valve; 16, produce the water end (W.E.) tensimeter; 17, water inlet pipe; 18, lower inlet duct; 19, coagulating agent inlet tube; 20, under meter; 21, turbidimeter; 22, turbidimeter inlet valve; 23, reverse flow valve; 24, return line; 25, by-pass valve; 26, ejector; 27, following outlet valve; 28, upper cone; 29, lower cone; 30, clear water zone; 31, feed-water end tensimeter.
Embodiment
Below, in conjunction with accompanying drawing and embodiment, a kind of distributing water treatment device based on Dynamic Membrane of the utility model done further describing, so that clearerly understand the utility model technological thought required for protection.
As illustrated in fig. 1 and 2, a kind of distributing water treatment device based on Dynamic Membrane comprises outer jar 6, interior jar 7, water inlet pipe 17, goes up inlet pipe (indicating), lower inlet duct 18, coagulating agent inlet tube 19, upper water-out pipe (indicating), film pipe 9, shore pipe (indicating); Be arranged at for interior jar 7 in outer jar 6; Water inlet pipe and last inlet pipe all through outside jars 6 upper end link with interior jar 7, lower inlet duct links with outer jar 6, the bottom of coagulating agent inlet tube 19 jar 7 in outer jar 6 upside is connected to; The upper water-out pipe links with the upside of outer jar 6; Shore pipe links with the bottom of outer jar 6, and film pipe 9 is arranged at the middle part in outer jar 6, is provided with cake layer in the film pipe 9; The upper and lower both sides of film pipe 9 are respectively equipped with thrust-augmenting nozzle 8 and following thrust-augmenting nozzle 10, and the top of last thrust-augmenting nozzle 8 is a clear water zone 30.
Also comprise the water intaking valve 1 that is arranged on the water inlet pipe in the utility model preferred embodiment, be arranged at upper inlet valve 2 on the inlet pipe, be arranged at lower inlet valve 3 on the lower inlet duct, be arranged at variable valve 13 on the upper water-out pipe, be arranged at a mud valve 12 and a PLD (PLC Programmable Logic Controller) 14 on the shore pipe, water intaking valve 1, upper inlet valve 2, lower inlet valve 3, variable valve 13, mud valve 12 all electrically connect with PLD 14.Variable valve 13 and outside also be provided with a under meter 20 on the upper water-out pipe between jars 6, under meter 20 also electrically connects with PLD 14.Water intaking valve 1 and outside be provided with a feed-water end tensimeter 31, feed-water end tensimeter and PLD electric connection on the water inlet pipe between jars 6.
And between water intaking valve and feed-water end tensimeter, be provided with an ejector 26, and being connected with a common pipe (not indicating) between the two ends of ejector 26, common pipe is provided with a by-pass valve 25.One end of return line 24 links to each other with ejector 26, and the other end is connected on the upper water-out pipe between outer jar 6 and the under meter 20, and return line 24 is provided with a reverse flow valve 23, and reverse flow valve 23 also electrically connects with PLD 14.Also connect one on the upper water-out pipe and produce water end (W.E.) tensimeter 16, produce water end (W.E.) tensimeter 16 and be located between return line and the under meter, produce water end (W.E.) tensimeter 16 and electrically connect with PLD 14.Produce on the upper water-out pipe between water end (W.E.) tensimeter 16 and the under meter 20 and also be provided with a turbidimeter 21, be provided with a turbidimeter inlet valve 22 between turbidimeter 21 and the upper water-out pipe, turbidimeter inlet valve 22 all electrically connects with PLD 14 with turbidimeter 21.
In addition, the downside of jar 6 also links with a lower discharging tube (indicating) outside, and lower discharging tube is provided with outlet valve 27, and following outlet valve 27 electrically connects with PLD 14.
The bottom of outer jar 6 and interior jar 7 is respectively equipped with upper cone 29 and upper cone 28, is provided with gas distribution pipe 11 in the lower cone 29, and following gas distribution pipe 11 is positioned at the downside of upper cone 28, and the upside in the outer jar 6 also is provided with gas distribution pipe 5 on.Outside on jars 6 and a SV 4 is set.
With the example that is treated to of Jiangsu domestic sewage in rural areas by using, design discharge 5m 3/ h.Jar 7 diameters are 1.2 meters in single, useful volume 2.5m 32.5 meters of outer jar 6 diameters, 4.2 meters of height overalls do not contain 2.7 meters of bucket height overalls, useful volume 6m 3Adopt 2000 of Dynamic Membrane pipes, produce discharge 20~50L/m 2/ h.Water inlet gets into the utility model product behind the grid equalizing tank, water outlet reaches city miscellaneous water standard (GB/T 18920-2002).Adopt air compressor machine air feed, pressure 0.3MPa, about 0.25 MPa of intake pressure, VFC.
The practical implementation procedural mode is following:
Produce the water process: open water intaking valve 1, upper inlet valve 2, by-pass valve 25, closing volume valve 23, sewage gets into interior jar 7 by pump through water inlet pipe 17, common pipe, hypoxia response.The runner that is made up of upper cone 28, lower cone 29 then carries out aeration; Get into film pipes 9 through following thrust-augmenting nozzle 10; Film pipe 9 is processed 6mm caliber hollow tube by the non-woven fabrics of mean pore size 30~40um and stainless steel steel wire and supporter, and the film pipe end is with the footpath Stainless Steel Flexible Hose.Film pipe 9 has certain flexibility, can when air purge, shake.In the utility model preferred embodiment, film pipe 9 is the Dynamic Membrane pipe, is provided with cake layer in it, and cake layer can be preparatory film, and also spontaneous film is selected for use according to various conditions and requirement.Behind filmed passing tube 9, get into clear water zone 30 through last thrust-augmenting nozzle 8.After waiting to produce water end (W.E.) tensimeter 16 and reaching certain pressure, open turbidimeter inlet valve 22, detect turbidity by turbidimeter 21, be lower than 5NTU (turbidity unit) after, close turbidimeter inlet valve 22, open reverse flow valve 23, normally produce water.Regulate variable valve 13 through PLD 14, the control backwash cycle according under meter 20 and the reading that produces water end (W.E.) tensimeter 16.
Backwash process.Customary backwash: 30 minutes 1 time.Close water intaking valve 1, upper inlet valve 2 during backwash.Because pressure drop dissolves gas and discharges, and film pipe 9 is shaken the online filter cake that makes loosen, 3~5 water inlets, air inlet are carried out in pulse; Stop into water, air inlet, water outlet.After utilizing the big flow backwash of water outlet, then drop into by above-mentioned operation.Degree of depth backwash: according to feed-water end tensimeter 31,16 decisions of product water end (W.E.) tensimeter, the two pressure reduction reaches 0.18MPa, forced back washing, and forced back washing was 1 time in general 1.5 months.Close into water, air inlet, product water valve.Unlatching lower inlet valve 3 through last gas distribution pipe 5, utilizes pneumatic pressure pulses flushing 3~5min, and the clear water of jar 6 interior clear water zones 30 carries out air water backwash simultaneously outside utilizing then, and outlet valve 27 is got rid of backwash water to equalizing tank under opening.
Film process: adopt big flow water inlet, spontaneous film forming.Close variable valve 13, lower inlet valve 3, by-pass valve 25 simultaneously, open reverse flow valve 23,, reflux while intaking from return line 24 beginnings through ejector 26.Control film formation time 5~10min.The normal water that produces of beginning after the film forming.
Spoil disposal: the cycle is 30 days, carries out through PLD 14 control mud valves 12.
For a person skilled in the art, can make other various corresponding changes and distortion, and these all changes and distortion should belong within the protection domain of the utility model claim all according to the technical scheme and the design of above description.

Claims (10)

1. the distributing water treatment device based on Dynamic Membrane is characterized in that, comprises outer jar, interior jar, water inlet pipe, goes up inlet pipe, lower inlet duct, coagulating agent inlet tube, upper water-out pipe, film pipe, shore pipe; Interior jar is arranged in outer jar; Water inlet pipe and last inlet pipe all through outside jar the upper end jar link with interior, lower inlet duct links with outer jar, the bottom of coagulating agent inlet tube jar in outer jar upside is connected to; The upper water-out pipe links with the upside of outer jar; Shore pipe links with the bottom of outer jar, and the film pipe is arranged at the middle part in outer jar, is provided with cake layer in the film pipe; The upper and lower both sides of film pipe are respectively equipped with thrust-augmenting nozzle and following thrust-augmenting nozzle, and the top of last thrust-augmenting nozzle is a clear water zone.
2. the distributing water treatment device based on Dynamic Membrane according to claim 1; It is characterized in that; Also comprise the water intaking valve that is arranged on the water inlet pipe, be arranged at upper inlet valve on the inlet pipe, be arranged at lower inlet valve on the lower inlet duct, be arranged at variable valve on the upper water-out pipe, be arranged at a mud valve and a PLD on the shore pipe, said water intaking valve, upper inlet valve, lower inlet valve, variable valve, mud valve all electrically connect with PLD.
3. the distributing water treatment device based on Dynamic Membrane according to claim 2 is characterized in that, variable valve and outside jar between the upper water-out pipe on also be provided with a under meter, the electric connection of said under meter and PLD.
4. the distributing water treatment device based on Dynamic Membrane according to claim 2 is characterized in that, water intaking valve and outside jar between water inlet pipe on be provided with a feed-water end tensimeter, the electric connection of said feed-water end tensimeter and PLD.
5. the distributing water treatment device based on Dynamic Membrane according to claim 4 is characterized in that, is provided with an ejector between water intaking valve and the feed-water end tensimeter, is connected with a common pipe between the two ends of said ejector.
6. the distributing water treatment device based on Dynamic Membrane according to claim 5; It is characterized in that; Also comprise a return line, an end of said return line links to each other with ejector, and the other end is connected on the upper water-out pipe between outer jar and the under meter; Said return line is provided with a reverse flow valve, and said reverse flow valve and PLD electrically connect.
7. the distributing water treatment device based on Dynamic Membrane according to claim 6 is characterized in that, also connects one on the upper water-out pipe and produces the water end (W.E.) tensimeter, and said product water end (W.E.) tensimeter is located between return line and the under meter.
8. the distributing water treatment device based on Dynamic Membrane according to claim 7; It is characterized in that; Produce on the upper water-out pipe between water end (W.E.) tensimeter and the under meter and also be provided with a turbidimeter; Be provided with a turbidimeter inlet valve between said turbidimeter and the upper water-out pipe, said turbidimeter inlet valve and turbidimeter all electrically connect with PLD.
9. the distributing water treatment device based on Dynamic Membrane according to claim 1; It is characterized in that, also comprise a lower discharging tube, said lower discharging tube links with the downside of outer jar; Lower discharging tube is provided with outlet valve, and said outlet valve down and PLD electrically connect.
10. the distributing water treatment device based on Dynamic Membrane according to claim 1; It is characterized in that; The bottom of said outer jar and interior jar is respectively equipped with lower cone and upper cone; Be provided with gas distribution pipe in the said lower cone, said gas distribution pipe down is positioned at the downside of upper cone, and outer jar of interior upside also is provided with gas distribution pipe on.
CN2012200464657U 2012-02-13 2012-02-13 Distributed water treatment device based on dynamic membrane Expired - Lifetime CN202449889U (en)

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Application Number Priority Date Filing Date Title
CN2012200464657U CN202449889U (en) 2012-02-13 2012-02-13 Distributed water treatment device based on dynamic membrane

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Application Number Priority Date Filing Date Title
CN2012200464657U CN202449889U (en) 2012-02-13 2012-02-13 Distributed water treatment device based on dynamic membrane

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CN202449889U true CN202449889U (en) 2012-09-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947111A (en) * 2018-07-09 2018-12-07 江苏自强环保科技有限公司 It is a kind of for carrying out the automatic control system of sewage treatment
CN108947112A (en) * 2018-07-09 2018-12-07 江苏自强环保科技有限公司 A kind of environmental protection equipment using dynamic embrane method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108947111A (en) * 2018-07-09 2018-12-07 江苏自强环保科技有限公司 It is a kind of for carrying out the automatic control system of sewage treatment
CN108947112A (en) * 2018-07-09 2018-12-07 江苏自强环保科技有限公司 A kind of environmental protection equipment using dynamic embrane method
CN108947112B (en) * 2018-07-09 2021-05-04 江苏自强环保科技有限公司 Environment-friendly equipment using dynamic membrane method

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Granted publication date: 20120926