CN101301584A - Tube-type sewage water micro-filter processing equipment - Google Patents
Tube-type sewage water micro-filter processing equipment Download PDFInfo
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- CN101301584A CN101301584A CNA200810028767XA CN200810028767A CN101301584A CN 101301584 A CN101301584 A CN 101301584A CN A200810028767X A CNA200810028767X A CN A200810028767XA CN 200810028767 A CN200810028767 A CN 200810028767A CN 101301584 A CN101301584 A CN 101301584A
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- sewage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 239000010865 sewage Substances 0.000 title claims description 37
- 238000001471 micro-filtration Methods 0.000 claims abstract description 30
- 239000012528 membrane Substances 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000009295 crossflow filtration Methods 0.000 claims abstract description 7
- 239000002562 thickening agent Substances 0.000 claims description 35
- 239000012141 concentrate Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 8
- 241000628997 Flos Species 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000011001 backwashing Methods 0.000 abstract description 4
- 230000004907 flux Effects 0.000 abstract description 2
- 239000010797 grey water Substances 0.000 abstract 2
- 239000000047 product Substances 0.000 description 27
- 239000000463 material Substances 0.000 description 6
- 239000010842 industrial wastewater Substances 0.000 description 3
- 230000009183 running Effects 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000703 anti-shock Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013580 millipore water Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The present invention relates to a pipe type sullage micro-filtration processing device, comprising a reaction groove, a concentration groove equipped next to the said reaction groove, a circulating power pump, a micro-filtration membrane pipe adopting cross-flow filtration and a cleaning buffer column, wherein micro-filtration membrane cross-flow filtration technology and pipe connection technology coordinating with cleaning buffer column and air intake valve group are adopted in order to implement automatic backwashing function through joint operation; the invention adopts reaction groove and concentration groove for sullage pretreatment through overflow mode cooperation, so as to guarantee water yielding effect and water yielding flux of system.
Description
Technical field
The present invention relates to a kind of sewage disposal system, refer in particular to a kind of tube-type sewage water micro-filter processing equipment with micro-filtrate membrane filtration and backwashing function; It is mainly used in the polluter of removing in the industrial wastewater, for example industrial circles such as printed circuit board (PCB), medal polish, electronics manufacturing, automatic industrial, aviation, iron and steel, semiconductor and plating.
Background technology
The traditional industry wastewater treatment is that ubiquity is limited to the ability to bear of sewage by suspended thing load, anti-shock loading is poor, can not effectively keep producing water quality, need add corresponding polymer, need after the startup through just reaching steady working condition after a while, and still need more medium filter to be for further processing, so very loaded down with trivial details, be unfavorable for operation.At present, micro-filtration (Microfiltration is called for short MF) processing mode usually appears in the water purification field, this processing realizes the bulky grain in the solution is melted the low pressure isolation technics that matter is separated with the method for pellicle, further the material (as large particulate matter) that uses cross-flow technology (TMF) can be trapped within the film surface can not be trapped in the outer surface of film, Chinese patent ZL03235053.8 " a kind of external pressure tube decline millipore water treating apparatus " for example, it is applicable to the preliminary treatment that household drinking water is handled, can't be applied in the trade effluent processing, so Given this, the applicant proposes a kind of duct type effluent cycle sewage water filtration treatment system and really belongs to necessity.
Summary of the invention
Main purpose of the present invention is to provide a kind of tube-type sewage water micro-filter processing equipment that is applied to Industrial Wastewater Treatment, and it has micro-filtrate membrane filtration and backwashing function, guarantees the product water effect of system and produces discharge.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of tube-type sewage water micro-filter processing equipment comprises a reactive tank, and sewage pipe road junction system is located at this reactive tank top notch, makes in this reactive tank that sewage can form a maximum material suspension in it, plays the preliminary treatment effect; One thickener is used for concentrating sewage, further plays the preliminary treatment effect; This thickener is near above-mentioned reactive tank setting, so that sewage can enter in the thickener in the overflow mode in the reactive tank; Be provided with a drainage pipeline in this thickener bottom, this drainage pipeline end is provided with a drain valve; One circulation power pump, its inlet channel system by T joint on above-mentioned drainage pipeline; One adopts the micro-filtration membrane pipe fitting of cross-flow filtration, and one is terminated on the outlet conduit of above-mentioned circulation power pump, and the other end is connected on the concentrate recirculation pipeline, and the floss hole of this concentrate recirculation pipeline is located at the top notch of above-mentioned thickener; On this micro-filtration membrane pipe fitting, be connected with a water producing pipe road by three-way pipe; One cleans bumper post, and the floss hole in above-mentioned water producing pipe road is connected to this cleaning bumper post bottom, flows into from the bottom that this cleans bumper post so that produce water, flows out along the product water drainage pipeline that cleans the bumper post top; On this product water drainage pipeline, be provided with an intake valve group, so that the water that the enough compressed air of energy promotes in this cleaning bumper post flows; Also be provided with one on this product water drainage pipeline successively and produce a water solenoid valve and a product discharge probe, be connected to one in the water outlet end of this product water drainage pipeline by three-way pipe and produce a water discharge spout and a product water blow-down pipe, the drain of this product water blow-down pipe is located at the top notch of above-mentioned thickener, above-mentioned product water discharge spout is provided with a drain valve, is provided with an atmospheric valve and produce the water blow-down pipe.
Described reactive tank is provided with between thickener and guarantees current overflow cushioning fender stably.
Be equipped with one in the described thickener and prevent the two position controller that sewage overflows and the circulation power pump dallies in the groove.
Be provided with an outlet valve, a discharge pressure table on the outlet conduit of described circulation power pump successively and go out water regulating valve.
Be provided with a control valve and a sample valve on the described water producing pipe road successively.
Described intake valve group comprises that an air inlet magnetic valve and that inserts the compressed air mouth is connected in the breather check valve of air inlet magnetic valve, and this breather check valve is connected to and produces on the water drainage pipeline.
Be provided with a concentrated stream adjustable valve and a dense water oil pressure gauge on the described concentrate recirculation pipeline successively.
The invention has the advantages that and adopted micro-filtration membrane cross-flow filtration technology and cooperated the pipeline connection technology that cleans between bumper post, intake valve group, realize the automatic back-washing function of system with common operation, and used reactive tank early stage, thickener cooperates as the sewage preliminary treatment in the overflow mode, thus the product water effect of the system of assurance and product discharge.The present invention is widely used in the Industrial Wastewater Treatment field.
Description of drawings
Fig. 1 is an integrated piping arrangement schematic diagram of the present invention;
Fig. 2 is a process chart of the present invention;
Fig. 3 is a micro-filtration membrane cross-flow filtration principle schematic of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is further described.
As shown in Figure 1, a kind of tube-type sewage water micro-filter processing equipment comprises that a reactive tank 1, a thickener 3, a micro-filtration membrane pipe fitting 4, a circulation power pump 6 and clean bumper post 9, wherein:
Reactive tank 1, sewage pipe road junction 2 are to be located at this reactive tank 1 top notch 11, make sewage in it can form a maximum material suspension in this reactive tank, play the preliminary treatment effect; For example can add some medicament in this reactive tank 1, make to form maximum particle suspensions in the sewage, this will improve the filter efficiency of follow-up micro-filtration membrane pipe fitting 4 greatly.When system moved, the inflow of controlling this reactive tank 1 was suitable with system's aquifer yield.When system stops to produce water, close the water inlet of this reactive tank 1.
Thickener 3 is used for concentrating sewage, further plays the preliminary treatment effect; This thickener 3 is provided with near above-mentioned reactive tank 1, so that sewage can enter in the thickener 3 in the overflow mode in the reactive tank 1; Be provided with a drainage pipeline 31 in these thickener 3 bottoms, these drainage pipeline 31 ends are provided with a drain valve 311; Described reactive tank 1 is provided with overflow cushioning fender 12 between thickener 3, through guaranteeing the current stationarity.One two position controller 33 is installed in this thickener 3, when sewage quantity in this thickener 3 is higher than the highest liquid level of setting, will sends signal and stop follow-up circulation power pump 6 runnings, prevent that sewage overflows in the groove; When sewage was lower than the minimum liquid level of setting in this thickener 3, this controller 33 sent signal and stops 6 runnings of follow-up circulation power pump equally, prevented follow-up circulation power pump 6 idle running and damaged.Dense water in the system is to be back in this thickener 3, and through continuous circulating filtration, the sludge concentration in this thickener 3 will slowly raise, when arriving to a certain degree, need open muddy water drain valve 311, the concentrated muddy water of the part of draining is to guarantee the filter effect of follow-up micro-filtration membrane pipe fitting 4.
Circulation power pump 4, its inlet channel 41 are to be connected on the above-mentioned drainage pipeline 31 by three-way pipe 5; This circulation power pump 4 is sewage to be provided constantly circulation and part of contaminated water see through the power of micro-filtration membrane pipe fitting 4 in system.
Micro-filtration membrane pipe fitting 6, this is a kind of micro-filtration membrane that adopts cross-flow filtration, the nominal aperture of film is 0.05,0.1,0.5,5,10,20 micron, material is PVDF (polyvinylidene fluoride) material, can filter diameter effectively at the object more than 0.05 micron, this micro-filtration membrane pipe fitting 6 can be known publicly-owned technology, does not add at this and gives detailed description.Micro-filtration membrane pipe fitting 6 one is terminated on the outlet conduit 42 of above-mentioned circulation power pump 4, be provided with an outlet valve 421 on this outlet conduit 42 successively, a discharge pressure table 422 and goes out water regulating valve 423, wherein, outlet valve 421 is closed when circulation power pump 4 needs repairing, and system's operate as normal is opened often; Discharge pressure table 422 is measured the pressure of water inlet to micro-filtration membrane pipe fitting 6, and generally about 2～7Bar, intake pressure is low excessively to be, aquifer yield is not enough, does not reach due benefit, when too high, water water quality is produced in the excessive influence of aquifer yield, also may cause damage to micro-filtration membrane pipe fitting 6; This control valve 423 of intaking is realized producing the adjusting of hydrophone total inflow.The other end of micro-filtration membrane pipe fitting 6 is connected on the concentrate recirculation pipeline 7, and the floss hole 71 of this concentrate recirculation pipeline 7 is located at the top notch 32 of above-mentioned thickener 3; Be provided with a concentrated stream adjustable valve 71 and a dense water oil pressure gauge 72 on this concentrate recirculation pipeline 7 successively, this concentrated stream adjustable valve 71, can be realized producing the adjusting of discharge fixedly the time at flow of inlet water; This dense water oil pressure gauge 72, dense water pressure equates with atmospheric pressure during the clarifier operate as normal, has the pressure illustrative system to need to check if measure dense water pipe.On this micro-filtration membrane pipe fitting 6, be connected with a water producing pipe road 8 by three-way pipe 5.
Clean bumper post 9, it is made by the UPVC material; The floss hole 81 in above-mentioned water producing pipe road 8 is connected to this cleaning bumper post 9 bottoms, flows into from the bottom that this cleans bumper post 9 so that produce water, flows out along the product water drainage pipeline 91 that cleans bumper post 9 tops, so can make to remain full of the product water state in the post; Be provided with a control valve 82 and a sample valve 83 on this water producing pipe road 8 successively, so control valve 82 is opened often in system's operate as normal, closes in the time of need keeping in repair system; The sample valve 83 convenient product water that obtain when the clarifier operate as normal carry out water quality monitoring; On this product water drainage pipeline 91, be provided with an intake valve group 92, so that the water that can compressed air promote in this cleaning bumper post 9 flow, this intake valve group 92 comprises that an air inlet magnetic valve 921 and that inserts the compressed air mouth is connected in the breather check valve 922 of air inlet magnetic valve 921, and this breather check valve 922 is to be connected to produce on the water drainage pipeline 91; Also be provided with one on this product water drainage pipeline 91 successively and produce a water solenoid valve 911 and a product discharge probe 912, wherein, 922 of above-mentioned breather check valves allow compressed air to enter and produce water drainage pipeline 91, prevent to produce the current direction air inlet pipe; Air inlet magnetic valve 921 and the 911 common operations of product water solenoid valve realize the self-timing backwash of system, its backwash time decides on the water quality of pending water, when backwash, open air inlet magnetic valve 921, close and produce water solenoid valve 911, system opens when normally moving and produces water solenoid valve 911, closes air inlet magnetic valve 921; Above-mentioned product discharge probe 912 is realized The real time measure product discharge, sends signal when aquifer yield is lower than setting value, and system carries out 6 backwashes of micro-filtration membrane pipe fitting automatically; Be connected to one in the water outlet end of this product water drainage pipeline 91 by three-way pipe 5 and produce a water discharge spout 93 and a product water blow-down pipe 94, the drain 941 of this product water blow-down pipe 94 is located at the top notch 32 of above-mentioned thickener 3, above-mentioned product water discharge spout 93 is provided with a drain valve 931, is provided with an atmospheric valve 942 and produce water blow-down pipe 94.Produce water discharging valve 931 and realize producing closing of the mouth of a river; Produce water atmospheric valve 942, the closure that realizes blow-down pipe and water producing pipe be communicated with, system opens during operate as normal, realizes that the water producing pipe internal pressure equates with atmospheric pressure, can make circulation power pump 4 that the bigger product discharge of realization under the littler power is being provided like this.
As in conjunction with Fig. 2, Fig. 3,, be the simple and easy principle schematic of the present invention; Sewage is introduced in the reactive tank 1, and the mode with overflow enters in the thickener 3 from reactive tank 1 then, and thickener 3 can discharge muddy water; The sewage of thickener 3 enters under the dynamic action of circulation power pump 6 in the micro-filtration membrane pipe fitting 6, forms two kinds of current then, and a kind of is to have seen through purifying waste water of micro-filtration membrane pipe fitting 6, promptly produces water; Another kind is the condensed water that does not see through micro-filtration membrane pipe fitting 6, promptly dense water, and it is trapped in the solid matter that film shows and plays very big effect washing away, and the cleaning that has kept film to show is to keep the normal flux of micro-filtration membrane pipe fitting 6.Above-mentioned dense water is back in the thickener 3 by pipeline again, enter in the cleaning bumper post 9 and produce water, when system needs backwash (when system's product discharge obviously reduces), compressible air enters in the water producing pipe water that promotes to clean in the bumper post 9 dense water surface B of the fast flow speed and direction of product water surface A from micro-filtration membrane pipe fitting 6, the pollutant that is attached on the dense water surface B is washed open, entered in the circulation thickener 3 and flowed to dense water pipe by water inlet " taking away ".This cleaning bumper post 9 can be correlated with to discharge and be produced water.
The above, it only is structure preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment did.
Claims (7)
1, a kind of tube-type sewage water micro-filter processing equipment is characterized in that: comprise
One reactive tank (1), sewage pipe road junction (2) are to be located at this reactive tank (1) top notch (11), make sewage it in can form maximum in this reactive tank (1) and expect suspension, play the preliminary treatment effect;
One thickener (3) is used for concentrating sewage, further plays the preliminary treatment effect; This thickener (3) is provided with near above-mentioned reactive tank (1), so that sewage can enter in the thickener (3) in the overflow mode in the reactive tank (1); Be provided with a drainage pipeline (31) in this thickener (3) bottom, this drainage pipeline (31) end is provided with a drain valve (311);
One circulation power pump (4), its inlet channel (41) are to be connected on the above-mentioned drainage pipeline (31) by three-way pipe (5);
One adopts the micro-filtration membrane pipe fitting (6) of cross-flow filtration, one is terminated on the outlet conduit (42) of above-mentioned circulation power pump (4), the other end is connected on the concentrate recirculation pipeline (7), and the floss hole (71) of this concentrate recirculation pipeline (7) is located at the top notch (32) of above-mentioned thickener (3); Upward be connected with a water producing pipe road (8) at this micro-filtration membrane pipe fitting (6) by three-way pipe (5);
One cleans bumper post (9), and the floss hole (81) in above-mentioned water producing pipe road (8) is connected to this cleaning bumper post (9) bottom, flows into from the bottom that this cleans bumper post (9) so that produce water, flows out along the product water drainage pipeline (91) that cleans bumper post (9) top; On this product water drainage pipeline (91), be provided with an intake valve group (92), so that the water that the enough compressed air of energy promotes in this cleaning bumper post (9) flows; Also be provided with one on this product water drainage pipeline (91) successively and produce a water solenoid valve (911) and a product discharge probe (912), be connected to one in the water outlet end of this product water drainage pipeline (91) by three-way pipe (5) and produce a water discharge spout (93) and a product water blow-down pipe (94), the drain (941) of this product water blow-down pipe (94) is located at the top notch (32) of above-mentioned thickener (3), above-mentioned product water discharge spout (93) is provided with a drain valve (931), is provided with an atmospheric valve (942) and produce water blow-down pipe (94).
2, tubular type microfiltration equipment according to claim 1 is characterized in that: described reactive tank (1) is provided with between thickener (3) and guarantees current overflow cushioning fender (12) stably.
3, tube-type sewage water micro-filter processing equipment according to claim 1 is characterized in that: be equipped with one in the described thickener (3) and prevent the two position controller (33) that sewage overflows and the circulation power pump dallies in the groove.
4, tube-type sewage water micro-filter processing equipment according to claim 1 is characterized in that: be provided with an outlet valve (421), a discharge pressure table (422) on the outlet conduit (42) of described circulation power pump (4) successively and go out water regulating valve (423).
5, tube-type sewage water micro-filter processing equipment according to claim 1 is characterized in that: be provided with a control valve (82) and a sample valve (83) on the described water producing pipe road (8) successively.
6, tube-type sewage water micro-filter processing equipment according to claim 1, it is characterized in that: described intake valve group (92) comprises that an air inlet magnetic valve (921) and that inserts the compressed air mouth is connected in the breather check valve (922) of air inlet magnetic valve (921), and this breather check valve (922) is connected to and produces on the water drainage pipeline (91).
7, tube-type sewage water micro-filter processing equipment according to claim 1 is characterized in that: be provided with a concentrated stream adjustable valve (71) and a dense water oil pressure gauge (72) on the described concentrate recirculation pipeline (7) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810028767XA CN101301584B (en) | 2008-06-13 | 2008-06-13 | Tube-type sewage water micro-filter processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810028767XA CN101301584B (en) | 2008-06-13 | 2008-06-13 | Tube-type sewage water micro-filter processing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN101301584A true CN101301584A (en) | 2008-11-12 |
| CN101301584B CN101301584B (en) | 2010-07-28 |
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| CN200810028767XA Expired - Fee Related CN101301584B (en) | 2008-06-13 | 2008-06-13 | Tube-type sewage water micro-filter processing equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583647A (en) * | 2012-01-12 | 2012-07-18 | 南京丹恒科技有限公司 | Industrial wastewater reuse and treatment equipment with tubular micro-filtration membrane and process flow thereof |
| CN102923873A (en) * | 2011-08-08 | 2013-02-13 | 曹健 | Online water circulation purifying system for aluminum section surface treatment |
| CN103252167A (en) * | 2012-08-09 | 2013-08-21 | 浙江双益环保科技发展有限公司 | Embedded hollow fiber membrane module and integrated membrane bioreactor |
| CN108159760A (en) * | 2018-03-09 | 2018-06-15 | 苏州百龙机电制冷有限公司 | A kind of ink sewage disposal device |
| CN108217842A (en) * | 2018-01-24 | 2018-06-29 | 浙江南源环境工程技术有限公司 | A kind of device of the wet electric waste water of tubular type microfiltration systems processing |
| CN109399834A (en) * | 2018-12-20 | 2019-03-01 | 上海振世能源科技有限公司 | A kind of steel rolling pickling waste waters recycling treatment system and its method |
| CN116651205A (en) * | 2023-07-17 | 2023-08-29 | 广东省绿革环保科技有限公司 | Tandem type columnar membrane filtration system |
-
2008
- 2008-06-13 CN CN200810028767XA patent/CN101301584B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923873A (en) * | 2011-08-08 | 2013-02-13 | 曹健 | Online water circulation purifying system for aluminum section surface treatment |
| CN102583647A (en) * | 2012-01-12 | 2012-07-18 | 南京丹恒科技有限公司 | Industrial wastewater reuse and treatment equipment with tubular micro-filtration membrane and process flow thereof |
| CN103252167A (en) * | 2012-08-09 | 2013-08-21 | 浙江双益环保科技发展有限公司 | Embedded hollow fiber membrane module and integrated membrane bioreactor |
| CN103252167B (en) * | 2012-08-09 | 2015-05-13 | 浙江双益环保科技发展有限公司 | Embedded hollow fiber membrane module and integrated membrane bioreactor |
| CN108217842A (en) * | 2018-01-24 | 2018-06-29 | 浙江南源环境工程技术有限公司 | A kind of device of the wet electric waste water of tubular type microfiltration systems processing |
| CN108159760A (en) * | 2018-03-09 | 2018-06-15 | 苏州百龙机电制冷有限公司 | A kind of ink sewage disposal device |
| CN109399834A (en) * | 2018-12-20 | 2019-03-01 | 上海振世能源科技有限公司 | A kind of steel rolling pickling waste waters recycling treatment system and its method |
| CN116651205A (en) * | 2023-07-17 | 2023-08-29 | 广东省绿革环保科技有限公司 | Tandem type columnar membrane filtration system |
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| CN101301584B (en) | 2010-07-28 |
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Address after: 613, building 612, room 1, 6 Industrial South Road, Songshan hi tech Industrial Development Zone, Guangdong, Dongguan, 523808 Patentee after: GUANGDONG VICDI TECHNOLOGY Co.,Ltd. Address before: 523925 Guangdong province Dongguan city Humen town village unity Avenue Guangdong industrial zone / Polytron Technologies Inc Patentee before: GUANGDONG VICDI TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 |