CN203400637U - Pipe type micro-filtration membrane filter device for industrial wastewater treatment - Google Patents
Pipe type micro-filtration membrane filter device for industrial wastewater treatment Download PDFInfo
- Publication number
- CN203400637U CN203400637U CN201320478128.XU CN201320478128U CN203400637U CN 203400637 U CN203400637 U CN 203400637U CN 201320478128 U CN201320478128 U CN 201320478128U CN 203400637 U CN203400637 U CN 203400637U
- Authority
- CN
- China
- Prior art keywords
- pipe
- filter
- industrial wastewater
- wastewater treatment
- membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a pipe type micro-filtration membrane filter device for industrial wastewater treatment. The pipe type micro-filtration membrane filter device for industrial wastewater treatment comprises a support, a filter assembly arranged on the support, a sewage inlet and a clean water outlet, wherein the sewage inlet and the clean water outlet are formed in the two ends, in the filtration direction, of the filter assembly respectively. The pipe type micro-filtration membrane filter device for industrial wastewater treatment is characterized in that the filter assembly comprises a plurality of membrane pipe assembly units which are connected in sequence end to end, each membrane pipe assembly unit comprises an outer pipe and a micro-filtration membrane pipe arranged in the outer pipe, every two adjacent membrane pipe assembly units are communicated through communication between the micro-filtration membrane pipes of the membrane pipe assembly units, the sewage inlet is communicated with the micro-filtration membrane pipes, the clean water outlet is communicated with the outer pipes, and a cross current circulating pump is further arranged on the downstream portion of the sewage inlet. According to the pipe type micro-filtration membrane filter device for industrial wastewater treatment, the inside-inlet and outside-outlet cross current mode is adopted by operation, the amount of particles which cannot penetrate through the micro-filtration membranes and accumulate on the surfaces of the micro-filtration membranes is reduced, the flux of the filter assembly is kept stable, and the service life is prolonged. Inlet water of the pipe type micro-filtration membrane filter device for industrial wastewater treatment is industrial wastewater which is processed through the flocculation mode, the effective settling mode and the like, the particles with the particle size of more than 0.05 micron are removed, and the water quality of outlet water can meet the requirement for inlet water of an RO membrane.
Description
Technical field
The utility model relates to a kind of sewage-treatment plant, relates in particular to a kind of sewage filter device.
Background technology
Industrial wastewater becomes the important pollution sources of current environment, and lead, acid substance are wherein very big to environmental hazard, and especially lead is first kinds of pollution matter.Such as main polluted factors in the sewage of lead-acid accumulator factory discharge, be exactly the materials such as this ekalead, acid.Present stage is processed this type of sewage with process for purifying such as PH adjusting, flocculation sediments conventionally, and above-mentioned process for purifying can once complete by one-step purifier.But the water quality after above-mentioned one-step purifier is processed can not reach the standard of zero-emission.For further realizing zero-emission, the water after one-step purifier must being processed reclaims, for example, make battery pure water, and this pure water should reach the preposition water requirement of RO film.Conventionally after one-step purifier, add at present quartz sand filtration, activated carbon filtration and doughnut membrane filtration system, the water after one-step purifier is processed further filters, and what make to reach RO film enters water requirement.Above-mentioned doughnut membrane filtration system mainly relies on hollow-fibre membrane work, and filtration exists that intensity is low, the life-span is short, be difficult for backwash and susceptible to plugging shortcoming.
Summary of the invention
The utility model has overcome the deficiencies in the prior art, and a kind of integrate separated, concentrated, cleaning are provided, and has backwash function, be difficult for stopping up, easy to operate, floor space is little, filtration intensity is high, long service life, the Industrial Wastewater Treatment that effluent quality is high tube type filter membrance filter.
For achieving the above object, the technical solution adopted in the utility model is: a kind of Industrial Wastewater Treatment tube type filter membrance filter, comprise support, be located at the filter assemblies on support, and be located at respectively described filter assemblies along sewage import and the pure water inlet at filtering direction two ends, it is characterized in that: described filter assemblies comprises the membrane pipe module unit that a plurality of head and the tail connect in turn, described membrane pipe module unit comprises outer tube and is located at the microfiltration membranes film pipe in outer tube, adjacent membranes pipe assembly unit is communicated with by the connection of microfiltration membranes film pipe separately, described sewage import is communicated with described microfiltration membranes film pipe, described pure water inlet is communicated with described outer tube, the downstream of described sewage import is also provided with cross-flow circulating pump.
Preferably, described microfiltration membranes film pipe comprises the microporous filter tube with some micropores, is provided with PVDF microfiltration membranes in described microporous filter tube surface and micropore.
Preferably, described filter comprises each other described filter assemblies in parallel of at least two groups, and each microfiltration membranes film pipe of organizing the upstream film pipe assembly unit of filter assemblies is interconnected; In every group of filter assemblies, the outer tube of each membrane pipe module unit is interconnected.
Preferably, described filter also comprises the recoil water purification import being connected with the outer tube of membrane pipe module unit in described pure water inlet and each group filter assemblies respectively.
Preferably, described filter assemblies also comprises the cross-flow flowmeter being communicated with the microfiltration membranes film pipe of membrane pipe module unit.
Preferably, described filter also comprises is located at described cross-flow circulating pump upstream, the startup being connected with the cross-flow circulating pump groove of pouring water, and starting pours water is provided with startup water irrigating valve between groove and cross-flow circulating pump.
The utility model has solved the defect existing in background technology, has following beneficial effect:
1. a kind of Industrial Wastewater Treatment tube type filter membrance filter is provided, the industrial wastewater after the modes such as flocculation, effective precipitation are processed is introduced directly in this filter, further purify.This filter can be removed the particulate of particle diameter more than 0.05 μ m, makes effluent quality reach RO film water inlet requirement, for realizing low-cost sewage zero-discharge, has created condition.Especially, membrane pipe module unit in this filter comprises outer tube and is located at the microfiltration membranes film pipe in outer tube, the cross-flow mode of entering to go out in can adopting is moved, from the inner side of microfiltration membranes film pipe, intake, after micro-filtrate membrane filtration, by outside, discharged, the high flow rate of cross-flow can constantly be taken away the particle of failing through microfiltration membranes, thereby reduces it in the accumulation on film surface, keep for a long time the stability of filter assemblies flux, and extend the service life of microfiltration membranes film pipe.
2. microfiltration membranes film pipe employing microporous filter tube is support frame, in microporous filter tube surface and micropore, be formed with the embedded structure of PVDF microfiltration membranes, make microfiltration membranes film pipe there is good strainability, make water outlet can reach the requirement of RO film influent quality, also there is enough mechanical strengths, good chemically-resistant and heat resistance, be difficult for occurring the situation that film is peeled off, come off.
3. the filter assemblies of at least two group parallel connections can be set in filter of the present utility model, make on the one hand many group filter assemblies work simultaneously, increase the filtration yield in certain hour, improve filter efficiency; If run on the other hand in one group of filter assemblies the failure conditions such as line clogging occur, the filter assemblies of other groups can also normally carry out work.
4. in filter of the present utility model, back purge system can also be set, to the particulate being embedded in microfiltration membranes is rushed to Xian out, on the basis of cross-flow filtration, further extend the service life of microfiltration membranes.
5. in filter of the present utility model, can also arrange and start the groove of pouring water, in the cesspool being communicated with sewage import, liquid level is lower than cross-flow circulating pump, cause cross-flow circulating pump as empty centrifugal pump cannot be by sewage lifting time, the method that can start by manually filling tank makes to be full of liquid in the cross-flow circulating pump pump housing, thereby starts smoothly cross-flow circulating pump lifting sewage.
6. filter of the present utility model can be in conjunction with functions such as backwashes, thereby integrate separated, concentrated, clean, install easy to operate, floor space is little, the intensity of film-strength and membrane pipe module unit is high, long service life, effluent quality can reach the water inlet of RO film and require ,Wei lead-acid accumulator factory to realize sewage zero-discharge creation necessary condition, has certain environmental benefit and economic benefit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of preferred embodiment of the present utility model;
Fig. 2 is the fundamental diagram of single group filter assemblies in preferred embodiment of the present utility model;
In figure: 2, sewage import, 4, pure water inlet, 6, membrane pipe module unit, 8, cross-flow circulating pump, 12, the first winding pipe assembly, 14, connecting pipe component, 16, cuboid framework, 18, fixed strip, 22, U-shaped grab, the 24, second winding pipe assembly, 26, water purification the first carrier pipe, 28, water purification the second carrier pipe, 32, water purification flowing water Valve, 34, sewage water inlet pipe, 36, tube connector, 38, buffering water pot, 42, compressed air inlet, 44, water purification outlet pipe, 46, water purification water flow meter, 48, start the groove of pouring water, 52, start water irrigating valve.
The specific embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail now, these accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, a kind of Industrial Wastewater Treatment tube type filter membrance filter, comprises support, is located at the filter assemblies on support, and is located at respectively filter assemblies along sewage import 2 and the pure water inlet 4 at filtering direction two ends.Filter assemblies comprises the membrane pipe module unit 6 that a plurality of head and the tail connect in turn, membrane pipe module unit 6 comprises outer tube and is located at the microfiltration membranes film pipe in outer tube, adjacent membranes pipe assembly unit 6 is communicated with by the connection of microfiltration membranes film pipe separately, sewage import 2 is communicated with microfiltration membranes film pipe, pure water inlet 4 is communicated with outer tube, and the downstream of sewage import 2 is also provided with cross-flow circulating pump 8.
Concrete, tube type filter membrance filter comprises two groups of filter assemblies of parallel connection each other.In every group of filter assemblies, each membrane pipe module unit 6 is vertically arranged in order from top to bottom, and each outer tube is horizontally disposed with respectively.The first winding pipe assembly 12 that the microfiltration membranes film pipe of adjacent membranes pipe assembly unit 6 arranges by pipe end is connected.The outer tube of each membrane pipe module unit 6 is connected by being located at the connecting pipe component 14 at outer tube middle part.Support comprises cuboid framework 16, and is located at respectively the fixed strip 18 of cuboid framework 16 both sides.Two sides that are provided with fixed strip 18 of support are respectively equipped with outwardly open a plurality of U-shaped grab 22, thus two groups of filter assemblies separately outer tube topmost by be connected in U-shaped grab 22, make two groups of filter assemblies corresponding be individually fixed in cuboid framework 16 both sides.Preferably fixed strip 18 is located at middle part, support side, support treats that fixedly every side of filter assemblies is provided with four U-shaped grabs 22 that along continuous straight runs is arranged, two two ends that are divided into support wherein, on another two fixed strips 18 that are arranged on middle part, keep the balance, stable and firmly of filter assemblies.The microfiltration membranes film pipe of membrane pipe module unit 6, two groups of filter assemblies the tops is interconnected by the second winding pipe assembly 24.
Each connecting pipe component 14 of organizing in filter assemblies is connected with water purification first carrier pipe 26 respectively.Two water purification the first carrier pipes 26 are connected with water purification second carrier pipe 28 respectively again.Pure water inlet 4 is positioned at the downstream of water purification the second carrier pipe 28.On two water purification the first carrier pipes 26, be also respectively arranged with water purification flowing water Valve 32.The lower end of support is provided with the sewage water inlet pipe 34 of level, and one end of sewage water inlet pipe 34 is extended vertically downward and sewage import 2 is set, and the other end is connected with the second winding pipe assembly 24 by a tube connector 36.Cross-flow circulating pump 8 is arranged in the pipeline of sewage water inlet pipe 34, between sewage import 2 and tube connector 36.
In membrane pipe module unit 6, microfiltration membranes film pipe and outer coaxial tube setting.Microfiltration membranes film pipe comprises the microporous filter tube with some micropores, is provided with PVDF microfiltration membranes in microporous filter tube surface and micropore.Wherein, microporous filter tube is as support frame, preferably, with the microporous filter tube of UHMWPE sintering, its concrete preparation can be with reference to the disclosed air supporting semi-molten press moulding mode of Chinese patent " method of preparing apertured micropore plastic product semifusion mould press shaping " (publication number CN1718410).On microporous filter tube, adopt afterwards the mode of slip casing by pressure to film, PVDF casting solution is filled in the micropore of support frame, through inversion of phases, in skeleton surface and micropore, form Embedded PVDF microfiltration membranes, form the inserted microfiltration membranes structure of PVDF, this structure makes film pipe have good strainability, water outlet can reach the requirement of RO film influent quality, enough mechanical strength, and good chemically-resistant and heat resistance are difficult for occurring film and peel off, come off.
In the utility model tube type filter membrance filter, back purge system can also be set.Back purge system comprises the recoil water purification import being connected with the outer tube of membrane pipe module unit 6 in pure water inlet 4 and each group filter assemblies respectively.Concrete, the downstream of water purification the second carrier pipe 28 connects a buffering water pot 38, and the top of buffering water pot 38 is provided with water purification outlet pipe 44, and water purification outlet pipe 44 is provided with compressed air inlet 42, and pure water inlet 4 is positioned at the mouth of pipe of water purification outlet pipe 44.On the one hand, the water purification in membrane pipe module unit 6 outer tubes of each filter assemblies is pooled in buffering water pot 38 by connecting pipe component 14, water purification the first carrier pipe 26 and water purification the second carrier pipe 28, can discharge by water purification outlet pipe 44.On the other hand, by passing into compressed air in 42 pairs of compressed air inlet buffering water pots 38, can make in tank water purification oppositely enter each membrane pipe module unit 6 and carry out backwash.The water purification import that now recoils is equivalent to the junction at water purification the second carrier pipe 28 and buffered water tank 38.Water purification outlet pipe 44 can arrange water purification water flow meter 46 near mouth of pipe place.
The startup that be connected with cross-flow circulating pump 8 groove 48 of pouring water can also be set in the upstream of cross-flow circulating pump 8 in tube type filter membrance filter, start pour water groove 48 and 8 of cross-flow circulating pumps startup water irrigating valve 52 is set.In the cesspool being communicated with sewage import 2, liquid level is lower than cross-flow circulating pump 8, cause cross-flow circulating pump 8 as empty centrifugal pump cannot be by sewage lifting time, the method that can start by manually filling the groove 48 of pouring water makes to be full of liquid in cross-flow circulating pump 8 pump housings, thereby starts smoothly cross-flow circulating pump 8 lifting sewages.While wherein manually startup being poured water to groove 48 filling liquid, owing to there being the cooperation of the check-valves arranging under cesspool liquid level, liquid can enter cross-flow circulating pump 8 smoothly.
Membrane pipe module unit 6 ports of export in every group of downstream of filter assemblies can pass through pipeline connection cesspool, make not filtration that microfiltration membranes film pipe pipe inner side flows out completely sewage be again restored in the cesspool of upstream, then again by filter assemblies, filter, improve filter quality and efficiency.Simultaneously, membrane pipe module unit 6 ports of export in every group of downstream of filter assemblies also can arrange the cross-flow flowmeter (not shown) being communicated with microfiltration membranes film pipe, one end of cross-flow flowmeter is connected with corresponding microfiltration membranes film pipe, immediately detects cross-flow flow, and the other end is by pipeline connection cesspool.
As shown in Figure 1-2, cesspool connects after sewage import 2 by pipeline, according to wastewater level height cross-flow circulating pump 8, automatically or by startup pours water after groove 48 is poured water and starts, and sewage be drawn in tube type filter membrance filter of the present utility model and filter.First sewage arrive the upstream of filter, divide two-way to enter and be positioned at support two membrane pipe module unit 6 that belong to two groups of filter assemblies topmost, specifically by microfiltration membranes film pipe inner side, entered, through the tube wall of microfiltration membranes film pipe, filter, after filtering, water purification is that annular space between outer tube and microfiltration membranes film pipe flows out by microfiltration membranes film pipe outside.Sewage is flowed into successively the membrane pipe module unit 6 in downstream in each group filter assemblies by the membrane pipe module unit 6 of upstream, in each membrane pipe module unit 6, filter, water purification after each membrane pipe module unit 6 filters collects by connecting pipe component 14 to same direction, and by water purification the first carrier pipe 26, water purification the second carrier pipe 28, enter buffering water pot 38 respectively, finally by water purification outlet pipe 44, flowed out.After several times filter, where necessary, can in 42 pairs of buffering water pots 38 of compressed air inlet, pass into 0.1Mpa-0.2Mpa compressed air, make in tank water purification oppositely enter each membrane pipe module unit 6 and rinse.Utilize the water purification of reverse flow that the particulate being embedded in microfiltration membranes is rushed to Xian out, on the basis of cross-flow filtration, further keep the stability of filter assemblies flux and extend the service life of microfiltration membranes.In every group of filter assemblies, support topmost porch and the support of membrane pipe module unit 6 can arrange respectively Pressure gauge in the exit of membrane pipe module unit 6 bottom, by instant detection, is convenient to grasp and control flow.For example topmost the porch pressure of membrane pipe module unit 6 and bottom the outlet pressure of membrane pipe module unit 6 be controlled at respectively 0.14 Mpa-0.55Mpa, making water volume flow rate in membrane pipe module unit 6 is 3 m/s-4m/s, can obtain preferably filter effect.Pure water inlet 4 places and compressed air inlet 42 places can arrange respectively valve, control water purification and produce water time and backwashing time.Electric cabinet can also be set in filter, and make electric cabinet be electrically connected to cross-flow circulating pump 8, pure water inlet 4 place's valves and compressed air inlet 42 place's valves respectively, timing controlled water purification produces water time and backwashing time.
Above foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, related personnel can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on description, must determine technical scope according to claim scope.
Claims (6)
1. an Industrial Wastewater Treatment tube type filter membrance filter, comprise support, be located at the filter assemblies on support, and be located at respectively described filter assemblies along sewage import and the pure water inlet at filtering direction two ends, it is characterized in that: described filter assemblies comprises the membrane pipe module unit that a plurality of head and the tail connect in turn, described membrane pipe module unit comprises outer tube and is located at the microfiltration membranes film pipe in outer tube, adjacent membranes pipe assembly unit is communicated with by the connection of microfiltration membranes film pipe separately, described sewage import is communicated with described microfiltration membranes film pipe, described pure water inlet is communicated with described outer tube, the downstream of described sewage import is also provided with cross-flow circulating pump.
2. a kind of Industrial Wastewater Treatment tube type filter membrance filter according to claim 1, is characterized in that: described microfiltration membranes film pipe comprises the microporous filter tube with some micropores, is provided with PVDF microfiltration membranes in described microporous filter tube surface and micropore.
3. a kind of Industrial Wastewater Treatment tube type filter membrance filter according to claim 1, it is characterized in that: comprise each other described filter assemblies in parallel of at least two groups, each microfiltration membranes film pipe of organizing the upstream film pipe assembly unit of filter assemblies is interconnected; In every group of filter assemblies, the outer tube of each membrane pipe module unit is interconnected.
4. according to a kind of Industrial Wastewater Treatment tube type filter membrance filter described in claim 1-3 any one, it is characterized in that: also comprise the recoil water purification import being connected with the outer tube of membrane pipe module unit in described pure water inlet and each group filter assemblies respectively.
5. a kind of Industrial Wastewater Treatment tube type filter membrance filter according to claim 4, is characterized in that: described filter assemblies also comprises the cross-flow flowmeter being communicated with the microfiltration membranes film pipe of membrane pipe module unit.
6. a kind of Industrial Wastewater Treatment tube type filter membrance filter according to claim 4, it is characterized in that: also comprise and be located at described cross-flow circulating pump upstream, the startup being connected with the cross-flow circulating pump groove of pouring water, starting pours water is provided with startup water irrigating valve between groove and cross-flow circulating pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320478128.XU CN203400637U (en) | 2013-08-07 | 2013-08-07 | Pipe type micro-filtration membrane filter device for industrial wastewater treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320478128.XU CN203400637U (en) | 2013-08-07 | 2013-08-07 | Pipe type micro-filtration membrane filter device for industrial wastewater treatment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203400637U true CN203400637U (en) | 2014-01-22 |
Family
ID=49936580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320478128.XU Expired - Fee Related CN203400637U (en) | 2013-08-07 | 2013-08-07 | Pipe type micro-filtration membrane filter device for industrial wastewater treatment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203400637U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104474902A (en) * | 2014-12-23 | 2015-04-01 | 浙江明泉工业涂装有限公司 | Spiral-wound membrane assembly of coating water purification system |
CN105060404A (en) * | 2015-07-17 | 2015-11-18 | 湖北绿荫环保科技发展有限公司 | Wastewater purifying and recycling treatment system |
CN106669427A (en) * | 2016-11-18 | 2017-05-17 | 江苏坤奕环境工程有限公司 | Integrated wear-resistant crystal-resistant corrosion-resistant cross-flow microfiltration membrane element |
CN111995003A (en) * | 2020-09-11 | 2020-11-27 | 杭州亿航环保科技有限公司 | Filtration component manufacturing and assembling system of drinking water reverse osmosis water purifier |
-
2013
- 2013-08-07 CN CN201320478128.XU patent/CN203400637U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104474902A (en) * | 2014-12-23 | 2015-04-01 | 浙江明泉工业涂装有限公司 | Spiral-wound membrane assembly of coating water purification system |
CN105060404A (en) * | 2015-07-17 | 2015-11-18 | 湖北绿荫环保科技发展有限公司 | Wastewater purifying and recycling treatment system |
CN106669427A (en) * | 2016-11-18 | 2017-05-17 | 江苏坤奕环境工程有限公司 | Integrated wear-resistant crystal-resistant corrosion-resistant cross-flow microfiltration membrane element |
CN106669427B (en) * | 2016-11-18 | 2019-12-10 | 江苏坤奕环境工程有限公司 | Integrated wear-resistant, crystal-resistant and corrosion-resistant cross-flow microfiltration membrane element |
CN111995003A (en) * | 2020-09-11 | 2020-11-27 | 杭州亿航环保科技有限公司 | Filtration component manufacturing and assembling system of drinking water reverse osmosis water purifier |
CN111995003B (en) * | 2020-09-11 | 2021-03-23 | 中山博力高电子有限公司 | Filtration component manufacturing and assembling system of drinking water reverse osmosis water purifier |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203400637U (en) | Pipe type micro-filtration membrane filter device for industrial wastewater treatment | |
CN110790344A (en) | Novel drinking water advanced treatment and purification device and method | |
CN110745910B (en) | Honeycomb ceramic membrane filtering method and filtering device | |
CN210613021U (en) | Metal film filter core, metal film filter and sewage treatment depth filtration system | |
CN210584028U (en) | Forward and reverse alternate filtering and separating device | |
CN217473180U (en) | Ultrafiltration equipment | |
CN200951981Y (en) | High purified water treatment purifier for laborating use | |
CN206837869U (en) | A kind of immersion ultrafiltration apparatus | |
CN107376647B (en) | Open circulating water side filtering device and circulating water treatment method using same | |
CN107158950A (en) | Valveless ultra-filtration water purifier | |
CN201010598Y (en) | Multifunctional water processor | |
CN110215761B (en) | Forward and reverse alternate filtering and separating device | |
CN218573300U (en) | Filtering and permeating device | |
CN208799970U (en) | A kind of monoammonium phosphate purification processes device | |
CN206778193U (en) | A kind of automatic backwash formula ceramic membrane filter device | |
CN102029110A (en) | Liquid filtering method | |
CN220467663U (en) | Drinking water safety purifying device | |
CN221797143U (en) | Water treatment facilities and intelligent rinse-system | |
CN211514100U (en) | High-flux integrally-formed tubular membrane | |
CN205095659U (en) | Ultrafiltration backwash system | |
CN217708972U (en) | Processing system based on tubular milipore filter | |
CN219489685U (en) | Ferric phosphate wastewater treatment system | |
CN210825551U (en) | Reverse osmosis device for water purification unit | |
CN220951327U (en) | Reverse osmosis device | |
CN212283577U (en) | Immersed ultrafiltration membrane water purification system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 |