CN209193737U - A kind of water purification installation based on ultrafiltration membrane and reverse osmosis membrane - Google Patents

A kind of water purification installation based on ultrafiltration membrane and reverse osmosis membrane Download PDF

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Publication number
CN209193737U
CN209193737U CN201821564304.0U CN201821564304U CN209193737U CN 209193737 U CN209193737 U CN 209193737U CN 201821564304 U CN201821564304 U CN 201821564304U CN 209193737 U CN209193737 U CN 209193737U
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China
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reverse osmosis
osmosis membrane
water
membrane
pond
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CN201821564304.0U
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张建飞
王玉凯
刘瑶
高晓博
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Henan Bestter Environmental Protection Technology Co Ltd
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Henan Bestter Environmental Protection Technology Co Ltd
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Abstract

The utility model relates to a kind of water purification installation based on ultrafiltration membrane and reverse osmosis membrane, including reverse osmosis membrane equipment and reverse osmosis membrane concentrated water case;First order reverse osmosis membrane equipment is connect through water outlet pipe with the water inlet pipe of second level reverse osmosis membrane equipment, and the concentrated water outlet pipe of first order reverse osmosis membrane equipment is connect with after the connection of second level reverse osmosis membrane equipment concentrated water outlet pipe with reverse osmosis membrane concentrated water case;Reverse osmosis membrane includes central tube, non-woven fabrics, conductance cloth, reverse osmosis membrane, concentrated water filter, through-hole is set on the side wall of central tube, conductance is laid at least two pieces, the side of outermost conductance cloth is fixed on central tube under reverse osmosis membrane roll-up state, and at least two pieces of conductance cloth are wrapped on central tube from inside to outside;Reverse osmosis membrane is provided at least two, at least one reverse osmosis membrane, the opposite doubling of the film surface of each reverse osmosis membrane is provided between every two adjacent conductance cloth, and concentrated water filter is placed between two layers of each reverse osmosis membrane doubling.

Description

A kind of water purification installation based on ultrafiltration membrane and reverse osmosis membrane
Technical field
The utility model relates to water treatment field more particularly to it is a kind of based on the Water warfare of ultrafiltration membrane and reverse osmosis membrane fill It sets.
Background technique
Middle water be primarily referred to as the water standard that urban industry sewage, sanitary sewage or rainwater reach certain after treatment, The water that can be reused in a certain range, water quality is between upper water and between being lauched.Many is faced with seriously in the world at present The country of water crisis is all actively utilizing municipal sewage, is developed and used municipal sewage as second water source, and obtained Successful experience.
Treated sewage reusing treatment principle is divided into four units: pretreatment unit, advanced oxidation unit, biochemistry according to major function Processing unit, bi-membrane method advanced treatment unit.Pretreatment section uses high dense settling pond, is reduced by physical-chemical reaction hard Degree, COD, colloid and turbidity etc. improve the efficiency and operation stability of advanced oxidation unit.Advanced oxidation unit uses ozone oxygen Chemical industry skill, on the basis of guaranteeing chroma removal rate, further degrade COD and raising wastewater biodegradability.Biochemical treatment unit Using biological aerated filter process (BAF) and moving bed biofilm reactor MBBR, further degrade COD, guarantees double film water inlets Stablize.End bi-membrane method processing unit can be stable removing in salt content etc. in water.
For example, to disclose a kind of multimembrane leaf roll system reverse osmosis for the Chinese utility model patent of Publication No. CN104785114A Reverse osmosis membrane front is first put into concentrated water filter, every two accompanies concentrated water filter in opposite directions to folding by filter core production method in interlayer Film page back side interlayer between form pure water runner, centre is put into conductance cloth, and will form film bag thirdly side is sealed with adhesive, 4th side opening edge is connected with porose central tube is opened, and is wound into original part.However, when reverse osmosis membrane original part longtime running, generally For diaphragm because will be pressed into the flow path groove for producing water flow selvage guide by big pressure, dissection finds that the general film original part diaphragm back side all can There is the apparent conductance cloth marking, front can become therewith it is obvious it is uneven, film surface is coarse, it is possible to lead to original part antipollution Property decline, film surface concentration polarization aggravation, desalting performance be deteriorated;Meanwhile because diaphragm squeezes into conductance cloth flow path groove, production water band is given Resistance additionally is carried out, has influenced original part and produce aqueous energy.
Utility model content
For the deficiencies of the prior art, the utility model provides a kind of based on the Water warfare of ultrafiltration membrane and reverse osmosis membrane dress It sets, may include that the water purification installation includes at least reverse osmosis membrane equipment and reverse osmosis membrane concentrated water case;The reverse osmosis membrane is set Standby includes first order reverse osmosis membrane equipment and second level reverse osmosis membrane equipment, and the first order reverse osmosis membrane equipment goes out through water Water pipe is connect with the water inlet pipe of the second level reverse osmosis membrane equipment, the concentrated water outlet pipe of the first order reverse osmosis membrane equipment with It is connect after the second level reverse osmosis membrane equipment concentrated water outlet pipe connection with the reverse osmosis membrane concentrated water case;The reverse osmosis membrane is extremely It less include central tube, non-woven fabrics, conductance cloth, reverse osmosis membrane and concentrated water filter, setting can be on the side wall of the central tube Through the through-hole of water outflow;The conductance is laid at least two pieces, under the reverse osmosis membrane roll-up state, outermost conductance The side of cloth is fixed on central tube, and at least two pieces of conductance cloth are wrapped on central tube from inside to outside;The reverse osmosis membrane is set At least two are equipped with, is provided at least one reverse osmosis membrane, the film of each reverse osmosis membrane between two adjacent conductance cloth The opposite doubling in face, and concentrated water filter is placed between two layers of each reverse osmosis membrane doubling;Every piece of reverse osmosis membrane and Non-woven fabrics is respectively equipped between every piece of conductance cloth.
According to a preferred embodiment, every block of non-woven fabrics and/or every piece of reverse osmosis membrane on piece are provided with opening direction court To the U-shaped sealant of central tube.
According to a preferred embodiment, the conductance cloth, the reverse osmosis membrane, the non-woven fabrics and the concentrated water every Net volume is fixed after being wound on the central tube by winding grid adhesive tape.
According to a preferred embodiment, the water purification installation further includes pretreatment unit, advanced oxidation unit, biochemistry Processing unit and bi-membrane method advanced treatment unit, wherein the pretreatment unit is connected to the upstream of the advanced oxidation unit, The biochemical treatment unit is connected to the downstream of the advanced oxidation unit, and the bi-membrane method advanced treatment unit is connected to described The downstream of biochemical treatment unit.
According to a preferred embodiment, the bi-membrane method advanced treatment unit includes at least device for ultrafiltration membrane, ultrafiltration membrane Water producing tank, reverse osmosis membrane equipment, reverse osmosis membrane concentrated water case, cartridge filter and reverse osmosis membrane equipment water producing tank, the ultrafiltration membrane The upstream of the reverse osmosis membrane equipment is arranged in equipment, and the ultrafiltration membrane water producing tank is connected to the downstream of the device for ultrafiltration membrane, The cartridge filter is connected to the downstream of the ultrafiltration membrane water producing tank, and the reverse osmosis membrane concentrated water case is connected to described reverse osmosis The concentrated water outlet pipe of film device, the reverse osmosis membrane equipment water producing tank are connected to being discharged through water for the reverse osmosis membrane equipment Pipe.
According to a preferred embodiment, the device for ultrafiltration membrane is made of at least one hyperfiltration membrane assembly, the ultrafiltration The film column of membrane module uses inner pressed, so that water is flowed according to the positive pressure type of flow from inside to outside.
According to a preferred embodiment, the pretreatment unit includes at least homogeneous pond, high dense settling pond, V-arrangement filter Pond, intermediate pool and sludge separator;The high dense settling pond is connected to the downstream in the homogeneous pond, and the V-arrangement filter tank connects It is connected to the downstream of the high dense settling pond, the intermediate pool is connected to the downstream in the V-arrangement filter tank, the high density clarification The bottom of pond in pond is connected to the sludge separator, wherein the sludge separator is that all-in-one machine is concentrated in belt type sludge.
According to a preferred embodiment, the advanced oxidation unit includes at least ozone contact tank, ozone buffer pool, sky Air compressor, dust removal filter, oxygenerator and ozone generator, wherein the advanced oxidation unit is passed sequentially through according to gas The mode of the air compressor, the dust removal filter, the oxygenerator, the ozone generator and the ozone contact tank Arrangement, the ozone contact tank connection is described in the downstream of intermediate pool, and the ozone buffer pool is connected to the ozone contact The downstream in pond.
According to a preferred embodiment, the biochemical treatment unit includes at least the pond BAF and is connected under the pond BAF The clear water reserviors of trip, wherein the pond BAF is the biological aerated filter of upward flow.
According to a preferred embodiment, the water inlet pipe of the reverse osmosis membrane concentrated water case and device for ultrafiltration membrane is connected, described The outlet pipe in the pond BAF is connect with the homogeneous pond, and the sediment in the high dense settling pond divides sludge through sludge separator Water from rear formation at least partly flows back into the homogeneous pond.
The utility model at least has following advantageous effects:
(1) the utility model has in reverse osmosis membrane and conductance cloth front on the inside of reverse osmosis membrane and conductance cloth cambered surface One layer of thin non-woven fabrics of folder works as reverse osmosis so that reverse osmosis membrane cannot directly be contacted with conductance cloth between production water flow passage slot side After permeable membrane piece is by high pressure, non-woven fabrics can protect reverse osmosis membrane, improve the service life of reverse osmosis membrane, simultaneously Also ensure that conductance cloth flow path groove is not blocked;
(2) COD of the waste water handled through this water purification installation, coloration, turbidity, soluble organic fraction, colloid, organic matter and micro- The content of the ingredients such as biology is effectively reduced;
(3) pond BAF produces the sediment in water reflux, reverse osmosis concentrated water reflux and high dense settling pond through sludge separator Sewage is formed after sludge is separated and is flowed back so that the efficiency of entire water purification installation is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a preferred embodiment of reverse osmosis membrane;
Fig. 2 is the structural schematic diagram of reverse osmosis membrane Yu concentrated water filter;
Fig. 3 is the structural schematic diagram of a preferred embodiment of reverse osmosis membrane equipment;
Fig. 4, which is that the utility model is preferably a kind of, to be connected based on ultrafiltration membrane with each module of the water purification installation of reverse osmosis membrane Relation schematic diagram;
Fig. 5 is that one of pretreatment unit, advanced oxidation unit, biochemical treatment unit and bi-membrane method advanced treatment unit is excellent Select the module connection relationship diagram of embodiment;
Fig. 6 is the module connection relationship diagram of a preferred embodiment of pretreatment unit;
Fig. 7 is the module connection relationship diagram of a preferred embodiment of advanced oxidation unit
Fig. 8 is the module connection relationship diagram of a preferred embodiment of biochemical treatment unit;With
Fig. 9 is the module connection relationship diagram of a preferred embodiment of bi-membrane method advanced treatment unit.
Reference signs list
1: central tube 2: conductance cloth
2a: first-class selvage guide 2b: second selvage guide
3: the 3a: the first non-woven fabrics of non-woven fabrics
3b: the second non-woven fabrics 4: reverse osmosis membrane
4a: the first the 4b: the second reverse osmosis membrane of reverse osmosis membrane
5: concentrated water filter the 5a: the first concentrated water filter
5b: the second concentrated water filter 6:U type sealant
7: pretreatment unit 8: advanced oxidation unit
9: 10 bi-membrane method advanced treatment unit of biochemical treatment unit
11: homogeneous pond 12: high dense settling pond
13:V type filter tank 14: intermediate pool
15: ozone contact tank 16: ozone buffer pool
The pond 17:BAF 18: clear water reserviors
19: sludge separator 20: device for ultrafiltration membrane
21: ultrafiltration membrane water producing tank 22: cartridge filter
23: reverse osmosis membrane equipment 23a: first order reverse osmosis membrane equipment
23b: second level reverse osmosis membrane equipment 24: reverse osmosis membrane concentrated water case
25: reverse osmosis membrane equipment water producing tank 26: air compressor
27: dust removal filter 28: oxygenerator
29: 30: the first booster pump of ozone generator
31: the second booster pumps
Specific embodiment
It 1,2,3,4,5,6,7,8 and 9 is described in detail with reference to the accompanying drawing.
According to a preferred embodiment, the utility model provides a kind of Water warfare based on ultrafiltration membrane and reverse osmosis membrane Device may include that water purification installation includes at least reverse osmosis membrane equipment 23 and reverse osmosis membrane concentrated water case 24.Reverse osmosis membrane equipment 23 may include first order reverse osmosis membrane equipment 23a and second level reverse osmosis membrane equipment 23b.By taking Fig. 3 as an example, every grade of reverse osmosis membrane Equipment is composed in parallel by least one reverse osmosis membrane.Preferably, three reverse osmosis in parallel can be set in every grade of reverse osmosis membrane equipment Permeable membrane.The first booster pump 30, second level reverse osmosis membrane equipment 23b has can be set in the upstream of first order reverse osmosis membrane equipment 23a Upstream the second booster pump 31 can be set.First order reverse osmosis membrane equipment 23a's is reverse osmosis through water outlet pipe and the second level The water inlet pipe of film device 23b connects, the concentrated water outlet pipe and second level reverse osmosis membrane equipment of first order reverse osmosis membrane equipment 23a It is connect after the connection of 23b concentrated water outlet pipe with reverse osmosis membrane concentrated water case 24.Reverse osmosis membrane includes at least central tube 1, non-woven fabrics 3, stream Selvage guide 2, reverse osmosis membrane 4 and concentrated water filter 5, setting can be for the through-hole through water outflow on the side wall of central tube 1;Conductance cloth 2 are equipped at least two pieces, and under reverse osmosis membrane roll-up state, the side of outermost conductance cloth 2 is fixed on central tube 1, at least Two pieces of conductance cloth are wrapped in from inside to outside on central tube 1.Reverse osmosis membrane 4 is provided at least two, per two adjacent conductances It is provided at least one reverse osmosis membrane 4 between cloth 2, the opposite doubling of film surface of each reverse osmosis membrane 4, and each reverse osmosis Concentrated water filter 5 is placed between two layers of 4 doubling of diaphragm.It can be respectively equipped between every piece of reverse osmosis membrane 4 and every piece of conductance cloth 2 Non-woven fabrics 3.
Preferably, by taking Fig. 1 and Fig. 2 as an example, which includes central tube, two pieces of conductance cloth, two blocks of non-woven fabrics, two pieces U-shaped sealant at reverse osmosis membrane, two pieces of concentrated water filters and two, the multimembrane reverse osmosis membrane method for coiling will be the following steps are included: will First-class selvage guide 2a is fixed on central tube 1;By the first non-woven fabrics of laying 3a on first-class selvage guide 2a;By the first reverse osmosis membrane The opposite doubling of 4a film surface, inside place the first concentrated water filter 5a, will accompany the first reverse osmosis membrane 4a of the first concentrated water filter 5a It is laid on the first non-woven fabrics 3a, the first reverse osmosis membrane 4a is to folding part close to central tube 1;At the first edge reverse osmosis membrane 4a Coat U-shaped sealant 6, U-shaped 6 opening direction of sealant is towards central tube;Second selvage guide 2b is fixed on central tube 1;It will The second non-woven fabrics of laying 3b on second selvage guide 2b;By the second opposite doubling of reverse osmosis membrane 4b film surface, it is dense that inside places second The the second reverse osmosis membrane 4b for accompanying the second concentrated water filter 5b is laid on the second non-woven fabrics 3b, the second reverse osmosis by water filter 5b Permeable membrane piece 4b is to folding part close to central tube 1;U-shaped sealant 6 is coated at the second edge reverse osmosis membrane 4b, U-shaped sealant 6 is open Direction is towards central tube;In first-class selvage guide 2a, the first non-woven fabrics 3a, the first reverse osmosis membrane 4a, the first concentrated water filter 5a, After second-rate selvage guide 2b, the second non-woven fabrics 3b, the second reverse osmosis membrane 4b and the second concentrated water filter 5b whole laying, by each film It on central tube, and winds grid adhesive tape and fixes, complete rolling for the reverse osmosis membrane.The utility model is in reverse osmosis membrane With conductance cloth front, i.e., has to produce on the inside of reverse osmosis membrane and conductance cloth cambered surface and presss from both sides one layer of thin non-woven fabrics between water flow passage slot side, To which reverse osmosis membrane cannot directly be contacted with conductance cloth, after reverse osmosis membrane is by high pressure, non-woven fabrics can be to reverse osmosis Diaphragm is protected, and the service life of reverse osmosis membrane is improved, while also ensuring that conductance cloth flow path groove is not blocked.
Preferably, first order reverse osmosis membrane original part group can be composed in parallel using three reverse osmosis membrane original parts.The second level is anti- Permeable membrane original part group can be composed in parallel using three reverse osmosis membrane original parts.
According to a preferred embodiment, opening direction is provided in every block of non-woven fabrics 3 and/or every piece of reverse osmosis membrane 4 Towards the U-shaped sealant 6 of central tube.
According to a preferred embodiment, conductance cloth 2, reverse osmosis membrane 4, non-woven fabrics 3 and concentrated water filter 5 are wound on center It can be fixed by winding grid adhesive tape after on pipe 1.
According to a preferred embodiment, water purification installation further include pretreatment unit 7, advanced oxidation unit 8, biochemistry at Manage unit 9 and bi-membrane method advanced treatment unit 10.Wherein, pretreatment unit 7 is connected to the upstream of advanced oxidation unit 8, biochemical Processing unit 9 is connected to the downstream of advanced oxidation unit 8, and bi-membrane method advanced treatment unit 10 is connected to biochemical treatment unit 9 Downstream.It preferably, can be between pretreatment unit, advanced oxidation unit, bi-membrane method advanced treatment unit and biochemical treatment unit Elevator pump or booster pump are set to convey liquid.
According to a preferred embodiment, bi-membrane method advanced treatment unit 10 may include device for ultrafiltration membrane 20, ultrafiltration membrane Water producing tank 21, reverse osmosis membrane equipment 23, reverse osmosis membrane concentrated water case 24, cartridge filter 22 and reverse osmosis membrane equipment water producing tank 25. Device for ultrafiltration membrane 20 can be set in the upstream of reverse osmosis membrane equipment 23, and ultrafiltration membrane water producing tank 21 can connect in device for ultrafiltration membrane 20 downstream.Cartridge filter 22 is connected to the downstream of ultrafiltration membrane water producing tank 21.Reverse osmosis membrane concentrated water case 24 is connected to reverse osmosis The concentrated water outlet pipe of film device 23.Reverse osmosis membrane equipment water producing tank 25 is connected to the transmission water outlet pipe of reverse osmosis membrane equipment 23.
According to a preferred embodiment, device for ultrafiltration membrane 20 is made of at least one hyperfiltration membrane assembly, hyperfiltration membrane assembly Film column use inner pressed so that water according to from inside to outside the positive pressure type of flow flow.Preferably, Ultra filtration membrane is sieve Divide process, i.e., under pressure, solvent and small solute particles in material liquid penetrate the low-pressure side of film from high pressure feed liquid side, Because size is greater than the macromolecular of membrane aperture and particle envelope stops, feed liquid is gradually concentrated;Macromolecular, colloid in solution, Protein, particle etc. are then retained by ultrafiltration membrane and are recovered as concentrate.In ultrafiltration apparatus 20, raw water is from film column The water inlet in portion enters film column, and raw water, by the effect of pressure, enters on the outside of film wire, thoroughly on the inside of film wire through film wire filter membrane The clear water crossed collects from the water purification outlet of film column bottom end, into collecting pipe after concentrate enter ultrafiltration water tank.It is remaining not penetrate ultrafiltration The concentrated water of film is refluxed collection in the downstream of film, is recycled to water inlet by film column bottom circulating pump.
According to a preferred embodiment, pretreatment unit 7 may include homogeneous pond 11, high dense settling pond 12, V-arrangement filter Pond 13, intermediate pool 14 and sludge separator 19.High dense settling pond 12 is connected to the downstream in homogeneous pond 11.V-arrangement filter tank 13 can To be connected to the downstream of high dense settling pond 12.Intermediate pool 14 can connect in the downstream in V-arrangement filter tank 13.High dense settling pond 12 bottom of pond is connected to sludge separator 19.Wherein, sludge separator 19 is that all-in-one machine is concentrated in belt type sludge.Preferably, V-type is filtered Pond uses equal grain filtrate, and pollutant carrying capacity height, air water backwash and surface sweep washing combine, and makes filter tank often in work under optimal conditions Make, it not only can be water-saving, energy saving, moreover it is possible to improve water quality, increase the retaining power of filtering layer, extend the duty cycle, improve water yield. Preferably, high dense settling pond 12 includes at least coagulating basin, flocculation basin and sedimentation basin, can add into high dense settling pond 12 Flocculant, coagulant and softening agent.Inclined tube and mud scraper can be equipped in sedimentation basin.
According to a preferred embodiment, advanced oxidation unit 8 include at least ozone contact tank 15, ozone buffer pool 16, Air compressor 26, dust removal filter 27, oxygenerator 28 and ozone generator 29.Wherein, advanced oxidation unit 8 according to gas according to The secondary cloth by way of air compressor 26, dust removal filter 27, oxygenerator 28, ozone generator 29 and ozone contact tank 15 It sets.Ozone contact tank 15 can connect in the downstream of intermediate pool 14, and ozone buffer pool 16 can connect in ozone contact tank 15 Downstream.Preferably, air is through air compressor 26 and through entering oxygenerator 28, oxygenerator 28 after 27 dedusting of dust removal filter Oxygen out enters ozone generator 29 and carries out reaction generation ozone, and ozone then passes through ozone blower and conveys into ozone contact Pond 15.
According to a preferred embodiment, biochemical treatment unit 9 may include the pond BAF 17 and be connected to 17 downstream of the pond BAF Clear water reserviors 18.Wherein, the pond BAF 17 is the biological aerated filter of upward flow.Preferably, biological aerated filter is filled out with graininess The biomembrane of material and its apposition growth is main processing medium, gives full play to biological metabolism effect, physical filtering effect, biomembrane With the classification predation of food chain in the physisorption and reactor of filler.Preferably, ozone is discharged microbe quantity Measure it is limited, so the Starting mode in the pond BAF 17 use inocalation method, inocalation method refer in other biological treatment systems sludge throw It is added to the starting method cultivated in reactor as strain.
According to a preferred embodiment, reverse osmosis membrane concentrated water case 24 can be connect with the water inlet pipe of device for ultrafiltration membrane 20. The outlet pipe in the pond BAF can be connect with homogeneous pond 11.Sediment in high dense settling pond 12 is through sludge separator 19 by sludge The water formed after separation at least partly flows back into homogeneous pond 11.It is clear that the pond BAF produces water reflux, reverse osmosis concentrated water reflux and high density Sediment in clear pond 12 forms the place that sewage backflow makes entire water purification installation after sludge separator 19 separates sludge Reason efficiency is improved.
In order to make it easy to understand, a kind of water purification installation based on ultrafiltration membrane and reverse osmosis membrane of the utility model is given below A preferred embodiment working principle.
Raw water to be processed flow to homogeneous pond 11, can mix regulating water quality.It is small that homogeneous conditioning tank designs the residence time 24 When, can works liquor fluctuation influenced caused by system.COD on-line computing model can be set in water inlet pipe, as water COD When being higher by certain value, inlet valve is automatically closed, and is cut off the water supply.The boosted pump of the water in homogeneous pond 11 or booster pump enter high density Clarifying basin 12 sequentially adds milk of lime, Polyferric Sulfate, PAM, under the action of returned sludge, is sufficiently mixed reaction, clarifies in high density The alumen ustum of pond plug-flow section formation larger particles.In settling section, sludge sinks under gravity clarifies bottom of pond portion, and with water flow The shallow pond precipitation that the tiny particle come then utilizes inclined tube is gone up, is trapped on inclined tube wall, and particle is gradually increased, then It is deposited to bottom of pond portion;Clear water then slowly rises, and goes out high dense settling pond by catch basin overflow, enters V-type filter tank after neutralized, SS remaining in water, turbidity are filtered by equal grain filtrate.The effect of high dense settling pond be exactly remove part hardness in raw water, SS, COD, turbidity etc. propose preferable condition for the pretreatment of next step.Water in high dense settling pond 12 then flows into V-type filter Pond.After raw water gravity flow enters V-type filter tank 13, SS, the turbidity that on the one hand can go removal high dense settling pond 12 that can not remove are another Aspect is effectively prevented the impact of raw water, it is ensured that raw water SS, turbidity into ozone contact tank 15 meet water quality requirement, subtract The consumption of few ozone, prevents blocking aeration disk.Intermediate pool 14 is flowed into certainly by the water after filter in V-type filter tank.Ozone contact tank 6 meters of available depth, titanium plate+stainless steel aerator is installed in bottom, and in ozone contact tank 15, air water is inversely contacted, and ozonizes gas Bubble is formed by aerator, is sufficiently mixed with water, improves the utilization rate of ozone.Raw water through ozonation aerated, removal part COD, Coloration improves the ratio of B/C, creates conditions for subsequent biochemical part.For raw water after ozone contact tank 15, meeting residual fraction is molten The ozone of solution, if being directly entered biochemical part, may microorganism cause to impact.Ozone buffer pool 16 is then to utilize ozone Half-life period only has the characteristics of 20min, water-ozone residual volume after Processing for removing.In the pond BAF 17, air water enters from bottom, in the same direction Contact, using being microbiological oxidation decomposition in the biomembrane grown on filler in reactor, the absorption of filler and biomembrane Crown_interception and inside the food chain classification predation and biomembrane that water (flow) direction is formed microenvironment and anaerobism section it is anti- Nitrification decomposes the COD and ammonia nitrogen in water, while removing part SS, and water outlet reaches the requirement into double films.Treated water It is promoted through pump, into device for ultrafiltration membrane 20, the utility model uses inner pressed ultrafiltration membrane, and waste water enters inside film wire, SS, turbid Degree is trapped in inside film wire, and water after filter collects in putamina, flows into ultrafiltration apparatus water producing tank 21.The water handled through ultrafiltration apparatus 20 Turbidity is reduced, and is promoted through booster pump, and cartridge filter 22 filters, and into reverse osmosis membrane equipment 23, reverse osmosis point of second level is produced Water enters reverse osmosis membrane equipment water producing tank 25, and concentrated water enters 24 rear portion of reverse osmosis membrane concentrated water case and flows back into ultrafiltration apparatus 20 Concentrated water utilization rate is improved, another part finally discharges.Meanwhile the sludge after the separation of sludge separator 19 is outer through sludge pump progress It send.
It should be noted that above-mentioned specific embodiment is exemplary, those skilled in the art can be in the utility model Various solutions are found out under the inspiration of disclosure, and these solutions also belong to the open scope of the utility model simultaneously It falls within the protection scope of the utility model.It will be understood by those skilled in the art that the utility model specification and its attached drawing It is illustrative and not constitutes limitations on claims.The protection scope of the utility model is by claim and its equivalent It limits.

Claims (10)

1. a kind of water purification installation based on ultrafiltration membrane and reverse osmosis membrane, which is characterized in that the water purification installation includes at least Reverse osmosis membrane equipment (23) and reverse osmosis membrane concentrated water case (24);
The reverse osmosis membrane equipment (23) includes first order reverse osmosis membrane equipment (23a) and second level reverse osmosis membrane equipment (23b), The water inlet through water outlet pipe and the second level reverse osmosis membrane equipment (23b) of the first order reverse osmosis membrane equipment (23a) Pipe connection, the concentrated water outlet pipe of the first order reverse osmosis membrane equipment (23a) and the second level reverse osmosis membrane equipment (23b) are dense It is connect after the connection of water outlet pipe with the reverse osmosis membrane concentrated water case (24);
The reverse osmosis membrane includes at least central tube (1), non-woven fabrics (3), conductance cloth (2), reverse osmosis membrane (4) and concentrated water filter (5), setting can be for the through-hole through water outflow on the side wall of the central tube (1);
The conductance cloth (2) is equipped at least two pieces, under the reverse osmosis membrane roll-up state, the one of outermost conductance cloth (2) Side is fixed on central tube (1), and at least two pieces of conductance cloth are wrapped in from inside to outside on central tube (1);
The reverse osmosis membrane (4) is provided at least two, is provided at least one reverse osmosis between two adjacent conductance cloth (2) Permeable membrane piece (4), the opposite doubling of film surface of each reverse osmosis membrane (4), and at two layers of each reverse osmosis membrane (4) doubling Between place concentrated water filter (5);
Non-woven fabrics (3) are respectively equipped between every piece of reverse osmosis membrane (4) and every piece of conductance cloth (2).
2. water purification installation as described in claim 1, which is characterized in that every piece of non-woven fabrics (3) and/or every piece of reverse osmosis membrane (4) U-shaped sealant (6) of the opening direction towards central tube is provided on.
3. water purification installation as described in claim 1, which is characterized in that the conductance cloth (2), the reverse osmosis membrane (4), The non-woven fabrics (3) and the concentrated water filter (5) on the central tube (1) after fixed by winding grid adhesive tape.
4. water purification installation as described in claim 1, which is characterized in that the water purification installation further includes pretreatment unit (7), advanced oxidation unit (8), biochemical treatment unit (9) and bi-membrane method advanced treatment unit (10), wherein the pretreatment is single First (7) are connected to the upstream of the advanced oxidation unit (8), and the biochemical treatment unit (9) is connected to the advanced oxidation list The downstream of first (8), the bi-membrane method advanced treatment unit (10) are connected to the downstream of the biochemical treatment unit (9).
5. water purification installation as claimed in claim 4, which is characterized in that the bi-membrane method advanced treatment unit (10) is at least wrapped It includes device for ultrafiltration membrane (20), ultrafiltration membrane water producing tank (21), reverse osmosis membrane equipment (23), reverse osmosis membrane concentrated water case (24), ensured public security Filter (22) and reverse osmosis membrane equipment water producing tank (25), the device for ultrafiltration membrane (20) are arranged in the reverse osmosis membrane equipment (23) Upstream, the ultrafiltration membrane water producing tank (21) is connected to the downstream of the device for ultrafiltration membrane (20), the cartridge filter (22) It is connected to the downstream of the ultrafiltration membrane water producing tank (21), the reverse osmosis membrane concentrated water case (24) is connected to the reverse osmosis membrane equipment (23) concentrated water outlet pipe, the reverse osmosis membrane equipment water producing tank (25) are connected to the transmission water of the reverse osmosis membrane equipment (23) Outlet pipe.
6. the water purification installation as described in one of preceding claims, which is characterized in that the device for ultrafiltration membrane (20) is by least One hyperfiltration membrane assembly composition, the film column of the hyperfiltration membrane assembly use inner pressed, so that water inlet is according to from inside to outside just Press type of flow flowing.
7. the water purification installation as described in one of preceding claims, which is characterized in that the pretreatment unit (7) includes at least Homogeneous pond (11), high dense settling pond (12), V-arrangement filter tank (13), intermediate pool (14) and sludge separator (19);
The high dense settling pond (12) is connected to the downstream of the homogeneous pond (11), and the V-arrangement filter tank (13) is connected to described The downstream of high dense settling pond (12), the intermediate pool (14) are connected to the downstream of the V-arrangement filter tank (13), the high density The bottom of pond of clarifying basin (12) is connected to the sludge separator (19), wherein the sludge separator (19) is that belt type sludge is dense Contracting all-in-one machine.
8. the water purification installation as described in one of preceding claims, which is characterized in that the advanced oxidation unit (8) is at least wrapped Include ozone contact tank (15), ozone buffer pool (16), air compressor (26), dust removal filter (27), oxygenerator (28) and smelly Oxygen Generator (29), wherein the advanced oxidation unit (8) passes sequentially through the air compressor (26), described according to gas Dust removal filter (27), the oxygenerator (28), the ozone generator (29) and the ozone contact tank (15) mode cloth It sets,
Ozone contact tank (15) connection is described in the downstream of intermediate pool (14), and the ozone buffer pool (16) is connected to institute State the downstream of ozone contact tank (15).
9. the water purification installation as described in one of preceding claims, which is characterized in that the biochemical treatment unit (9) is at least wrapped The clear water reserviors (18) for including the pond BAF (17) and being connected to the pond BAF (17) downstream, wherein the pond BAF (17) is upward flow Biological aerated filter.
10. the water purification installation as described in one of preceding claims, which is characterized in that the reverse osmosis membrane concentrated water case (24) with The water inlet pipe of device for ultrafiltration membrane (20) connects, and the outlet pipe in the pond BAF is connect with the homogeneous pond (11), and the high density is clear The water that sediment in clear pond (12) is formed after sludge separator (19) separates sludge at least partly flows back into the homogeneous Pond (11).
CN201821564304.0U 2018-09-20 2018-09-20 A kind of water purification installation based on ultrafiltration membrane and reverse osmosis membrane Active CN209193737U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113087177A (en) * 2021-04-06 2021-07-09 上海求越实业有限公司 Anti-osmosis and filter layer adsorption combined type antibacterial water purification equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113087177A (en) * 2021-04-06 2021-07-09 上海求越实业有限公司 Anti-osmosis and filter layer adsorption combined type antibacterial water purification equipment

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