CN104768624A - Oscillating pressure out-in type sandwich ceramic membrane and system for same - Google Patents
Oscillating pressure out-in type sandwich ceramic membrane and system for same Download PDFInfo
- Publication number
- CN104768624A CN104768624A CN201380054039.5A CN201380054039A CN104768624A CN 104768624 A CN104768624 A CN 104768624A CN 201380054039 A CN201380054039 A CN 201380054039A CN 104768624 A CN104768624 A CN 104768624A
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- China
- Prior art keywords
- ceramic membrane
- air vent
- vent channel
- pressurization formula
- chamber
- Prior art date
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- 239000000919 ceramic Substances 0.000 title claims abstract description 66
- 239000012528 membrane Substances 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000011148 porous material Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 239000011247 coating layer Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/04—Reciprocation, oscillation or vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
- B01D2325/0232—Dense layer on both outer sides of the membrane
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to an oscillating pressure out-in type sandwich ceramic membrane which is installed in a water treatment facility for filtering pollutants and a system for same. Provided are the oscillating out-in type sandwich ceramic membrane, on the inside of which large pores are distributed and on the outside of which fine pores are distributed, and the oscillating out-in type sandwich ceramic membrane system, comprising: a chamber on one side of which an inlet port is formed and on the other side of which a discharge port that is larger than the inlet port is formed; at least one of the oscillating pressure out-in type sandwich membrane which is installed inside the chamber; a pump which is installed at the inlet port for applying pressure; and a solenoid valve which is installed at the discharge port and is opened/closed according to control, thereby increasing filtering speed, unlike an out-in type ceramic membrane sandwich system using a common gravity method, and maintaining water permeability by washing filtered materials that adhere to the surface of the membrane.
Description
Technical field
The present invention relates to ceramic membrane and the system thereof of interlayer form, particularly relate to a kind of discrepancy type ceramic membrane and the system thereof that can apply jerk type pressure.
Background technology
Recently, along with the industrial activity of the mankind and the increase of consume activity, there occurs a large amount of industrial wastewaters and sanitary sewage, result, the various environmental problem such as contaminated or corruption of water resource comes back.Particularly water resource pollution and human lives have substantial connection, are thus not only domestic, also become huge problem in overseas, therefore, various countries specify various regulation, and such as restriction lower water, discharge of wastewater or obligationization install purification facility installation etc., carry out strict control.
In view of this reality, relevant industries are developing various lower water, wastewater processing technology using, and one of them is exactly ceramic membrane (Membrane).Ceramic membrane, for filtering solid particle remaining in lower water, waste water, more specifically, by the fine pores formed in main body, filters and polluter, organic matter, bacterium etc. in Separation of Water, thus makes lower water, purification of waste water.Now, ceramic membrane, according to water treatment mode, is divided into turnover (IN-OUT) type and discrepancy (OUT-IN) type, illustrates below.
First, turnover type ceramic membrane, as honeycomb form, is downward water, waste water applies pressure and make to flow into interior rear flank, the filtered water of filtering is released to the mode in outside.But this turnover type ceramic membrane cannot draining smoothly because of the configuration of inflow entrance or the thickness of film etc., structurally there is the problem of manufacturing cost costliness.
On the other hand, discrepancy type ceramic membrane is installed on tank bottom surface, as the mode realizing water treatment by means of gravity mode from the outside of film to inner side, there is the advantage that manufacturing expense is cheap, but has that filtrate is stacked, the shortcoming of air-hole blockage.
Therefore, the present inventor deeply observes the problem of described conventional art, explores and can process rapidly the scheme of lower water, waste water with cheap expense without the deposition of filtrate, finally have developed the present invention.
Summary of the invention
Technical task
The present invention researches and develops in order to the problem solving aforementioned conventional art just, and its object is to provides one to reduce manufacturing cost, improves pulsating pressurization formula discrepancy type interposed ceramic film and the system thereof of processing speed and filtrate deposition problems.
Solve the scheme of problem
As the means for solving described technical task,
The invention provides a kind of pulsating pressurization formula discrepancy type interposed ceramic film, ceramic membrane is installed on water processing establishment and filtering contaminants matter, it is characterized in that, is distributed with thick pore in inside, and part is furnished with fine pore outside.
Now, described pulsating pressurization formula discrepancy type interposed ceramic film can comprise: the core of foam form, and it has the air vent channel being connected into network by thick pore; Plate body, it has the air vent channel less than the air vent channel of described core, is formed at side and the bottom surfaces of described core; And coating layer, it has the air vent channel less than the air vent channel of described plate body, coats the outer peripheral face of described plate body.
In addition, the invention provides a kind of pulsating pressurization formula discrepancy type interposed ceramic membranous system, comprising: chamber, it is formed with inflow entrance in side, is formed with the outlet larger than described inflow entrance at opposite side; Described pulsating pressurization formula discrepancy type interposed ceramic film, it at least installs more than one in described chamber; Pump, it is installed on described inflow entrance and applies pressure; And magnetic valve, it is installed on described outlet, carries out opening and closing intermittently.
Invention effect
According to the present invention, being formed with thick air vent channel in inside, being formed with the discrepancy type interposed ceramic film of fine air vent channel in outside, be installed in chamber with pulsating pressurization formula, thus the rate of filtration is improved, can prevent the deposition of filtrate, manufacturing cost also can minimize.
Accompanying drawing explanation
Fig. 1 is the ideograph of the pulsating pressurization formula discrepancy type interposed ceramic film of the preferred embodiment of the present invention,
Fig. 2 is the photo of the model of the pulsating pressurization formula discrepancy type interposed ceramic film of the display preferred embodiment of the present invention,
Fig. 3 is the ideograph of the pulsating pressurization formula discrepancy type interposed ceramic membranous system of the preferred embodiment of the present invention.
Detailed description of the invention
With reference to the accompanying drawings, embodiments of the invention are described in detail, so that those skilled in the art can easily implement.But the present invention can embody with various different shape, is not limited to the embodiment illustrated herein.And in order to clearly state the present invention in the accompanying drawings, the part irrelevant with explanation is omitted, and for the part that description is in the whole text similar, gives similar reference numeral and is described.
First, the present invention relates to and be installed on various water processing establishment and the factures and applicationsh of the ceramic membrane of filtering solid particles, be divided into pulsating pressurization formula discrepancy type interposed ceramic film and the adding pressure type discrepancy type interposed ceramic membranous system having installed this ceramic membrane, be below with reference to the accompanying drawings described successively.
Fig. 1 is the ideograph of the pulsating pressurization formula discrepancy type interposed ceramic film of the preferred embodiment of the present invention, and Fig. 2 is the photo of the model of the pulsating pressurization formula discrepancy type interposed ceramic film of the display preferred embodiment of the present invention.
If with reference to figure 1 and Fig. 2, the technical characteristic of pulsating pressurization formula discrepancy type interposed ceramic film 100 (hereinafter referred to as " interposed ceramic film 100 ") of the preferred embodiment of the present invention is that surface is different from inner pore opening.
Specifically, described interposed ceramic film 100 can be made up of the core 110 of inside, outside plate body 120 and outermost coating layer 130.Now, described core 110 is formed to have the foam form connecting into the air vent channel of network by the thick pore of about 0.1 ~ 5mm, and degree of porosity is 30 ~ 90%.In addition, described plate body 120 is formed at the outside of described core 110, and more specifically, be formed at the side except the upper side of described core 110 and bottom surfaces, have the air vent channel of tens of μm, degree of porosity is 30 ~ 60%, and thickness is number about mm.On the other hand, the fine ceramic particle of 0.01 ~ 1 μm that described coating layer 130 is coated with by the outer peripheral face at described plate body 120 is formed, and has the air vent channel of less than about 0.5 μm.Now, preferred described coating layer 130 unfertile land coating as far as possible in the scope forming target air vent channel.
That is, the present invention forms large air vent channel in the inner side of described interposed ceramic film 100, guarantees water penetration, in outside, makes to form fine pore on thin ceramic wafer, to filter suspension, thus water penetration and filtering function is maximized.
On the other hand, the described interposed ceramic film 100 formed as mentioned above can be carry out slip casting (Slip Casting) to ceramic powder paste and manufacture.As a reference, in Fig. 1, undeclared reference numeral " 140 " representative is used for the fixture described interposed ceramic film 100 being installed on aftermentioned chamber 210.
Above the pulsating pressurization formula discrepancy type interposed ceramic film of the preferred embodiment of the present invention is illustrated.Below with reference to the accompanying drawings, the pulsating pressurization formula discrepancy type interposed ceramic membranous system of the preferred embodiment of the present invention is described in detail.
Fig. 3 is the ideograph of the pulsating pressurization formula discrepancy type interposed ceramic membranous system of the preferred embodiment of the present invention.
As shown in Figure 3, the pulsating pressurization formula discrepancy type interposed ceramic membranous system 200 of the preferred embodiment of the present invention comprises chamber 210, ceramic membrane 220, pump (not shown) and magnetic valve (not shown) formation.
First, described chamber 210, as the formation making lower water, waste water passes through, is formed with inflow entrance 210a in leading section, is formed with outlet 210b in rearward end.Specifically, described inflow entrance 210a is formed in the upper end in described chamber 210, between described inflow entrance 210a and described ceramic membrane 220, the next door 230 of opening downwards is installed, lower water, waste water are guided to the bottom in described chamber 210, thus makes lower water, waste water and described ceramic membrane 220 comprehensive engagement.In addition, described outlet 210b is formed than described inflow entrance 210a larger in the lower end in described chamber 210, thus can prevent the deposition of filtrate.
On the other hand, the described chamber 210 preferably formed as mentioned above, except described inflow entrance 210a, described outlet 210b and described ceramic membrane 220 upper end, all seals, so that water-tight when pressurizeing.
Then, described ceramic membrane 220, as the formation flowing into lower water in described chamber 210, waste water for being filtered through described inflow entrance 210a, inserting and being installed on described chamber 210.Wherein, described ceramic membrane 220 uses the interposed ceramic film 100 of the present invention illustrated above, can install suitable number according to the pollution level of lower water to be processed, waste water or capacity.
On the other hand, when the installation of described ceramic membrane 220, the upper end of preferred described ceramic membrane 220 is positioned at higher than described chamber 210 place, so that the filtered water being discharged to top by described ceramic membrane 220 is not flowed in described chamber 210 again.The water filtered as described above by described ceramic membrane 220 now, on the top in described chamber 210, is suitably formed with water route 240, so that can be discharged.
Then, described pump, as executing stressed formation to inside, described chamber 210, is installed on described inflow entrance 210a.
Finally, described magnetic valve is as utilizing and the interaction of described pump and forms the formation of fluctuation pressure in inside, described chamber 210, and energy intermittence openedly and closedly be installed on described outlet 210b.
Above the formation of the pulsating pressurization formula discrepancy type interposed ceramic membranous system of the preferred embodiment of the present invention is illustrated.Below the effect of the pulsating pressurization formula discrepancy type interposed ceramic membranous system of the preferred embodiment of the present invention is described.
First, after starting described pump, lower water, waste water are flowed in described chamber 210 by described inflow entrance 210a.Now, during described outlet 210b is by described closed electromagnetic valve, mineralization pressure in described chamber 210, applies constant water pressure to described ceramic membrane 220, the lower water flowed into, waste water are discharged to the top in described chamber 210 after being filtered while the outside from described ceramic membrane 220 is through inside.On the contrary, under the state that described outlet 210b is opened by described magnetic valve, the water of inside, described chamber 210 is together with cannot passing through the suspension of described ceramic membrane 220, discharge quickly than the inflow velocity of lower water, waste water, water level decreasing, meanwhile, is also discharged to bottom at the inner remaining water of described ceramic membrane 220, meanwhile, the suspension being adsorbed in surface pores comes off and removes.Now, the water of being discharged by described outlet 210b is returned to described inflow entrance 210a again.
As above description, in the present invention, along with the opening and closing of described magnetic valve, described a series of process is carried out repeatedly, form fluctuation pressure in inside, described chamber 210 simultaneously, thus not only improve the rate of filtration, and the suspension being attached to film surface also effectively can be removed.
Below with reference to accompanying drawing, describe the preferred embodiments of the present invention in detail.Explanation of the present invention is only for example, and those skilled in the art are appreciated that and do not change technological thought of the present invention or required feature, can easily be deformed into other concrete form.
Therefore, compared with described detailed description, scope of the present invention is represented by following claims book, and all changes of deriving from the meaning of claims, scope and impartial concept thereof or the form of distortion, should be interpreted as being contained in scope of the present invention.
Claims (3)
1. a pulsating pressurization formula discrepancy type interposed ceramic film, ceramic membrane is installed on water processing establishment and filtering contaminants matter, it is characterized in that,
Be distributed with thick pore in inside, part is furnished with fine pore outside.
2. pulsating pressurization formula discrepancy type interposed ceramic film according to claim 1, is characterized in that,
Described pulsating pressurization formula discrepancy type interposed ceramic film comprises:
The core of foam form, it has the air vent channel being connected into network by thick pore;
Plate body, it has the air vent channel less than the air vent channel of described core, is formed at side and the bottom surfaces of described core; And
Coating layer, it has the air vent channel less than the air vent channel of described plate body, coats the outer peripheral face of described plate body.
3. a pulsating pressurization formula discrepancy type interposed ceramic membranous system, is characterized in that, comprising:
Chamber, it is formed with inflow entrance in side, is formed with the outlet larger than described inflow entrance at opposite side;
Pulsating pressurization formula discrepancy type interposed ceramic film described in claim 1 or 2, it at least installs more than one in described chamber;
Pump, it is installed on described inflow entrance and applies pressure; And
Magnetic valve, it is installed on described outlet, carries out opening and closing intermittently.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120114917A KR101367587B1 (en) | 2011-12-09 | 2012-10-16 | Pulsation pressure-assisted out-in type sandwich ceramic membrane system |
| KR10-2012-0114917 | 2012-10-16 | ||
| PCT/KR2013/009242 WO2014061990A1 (en) | 2012-10-16 | 2013-10-16 | Oscillating pressure out-in type sandwich ceramic membrane and system for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104768624A true CN104768624A (en) | 2015-07-08 |
Family
ID=50488945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380054039.5A Pending CN104768624A (en) | 2012-10-16 | 2013-10-16 | Oscillating pressure out-in type sandwich ceramic membrane and system for same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104768624A (en) |
| WO (1) | WO2014061990A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848182A (en) * | 2020-08-03 | 2020-10-30 | 贺州学院 | A kind of preparation method of ceramic film inside container |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1268386A (en) * | 1999-02-26 | 2000-10-04 | 永冈忠义 | Filtration equipment |
| CN1308024A (en) * | 2001-01-18 | 2001-08-15 | 东华大学 | Contaminated-fluid treating filter method and equipment |
| EP1704911A1 (en) * | 2005-03-24 | 2006-09-27 | Ngk Insulators, Ltd. | Method for cleaning a separation membrane in a membrane bioreactor system |
| KR20080071015A (en) * | 2007-01-29 | 2008-08-01 | 정덕수 | Asymmetric multilayer ceramic filter and its manufacturing method and water purification system using the same |
| US20080314832A1 (en) * | 2001-10-31 | 2008-12-25 | Sanyo Electric Co., Ltd. | Method of filtering |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH685860A5 (en) * | 1992-07-30 | 1995-10-31 | Christ Ag | Cleaning of precoat |
| JP3114487B2 (en) * | 1994-03-14 | 2000-12-04 | 株式会社石垣 | Filtration equipment using an asymmetric filtration membrane. |
| KR100430672B1 (en) * | 2001-06-27 | 2004-05-10 | (주) 세라컴 | a back washing apparatus of ceramics membrane |
-
2013
- 2013-10-16 WO PCT/KR2013/009242 patent/WO2014061990A1/en active Application Filing
- 2013-10-16 CN CN201380054039.5A patent/CN104768624A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1268386A (en) * | 1999-02-26 | 2000-10-04 | 永冈忠义 | Filtration equipment |
| CN1308024A (en) * | 2001-01-18 | 2001-08-15 | 东华大学 | Contaminated-fluid treating filter method and equipment |
| US20080314832A1 (en) * | 2001-10-31 | 2008-12-25 | Sanyo Electric Co., Ltd. | Method of filtering |
| EP1704911A1 (en) * | 2005-03-24 | 2006-09-27 | Ngk Insulators, Ltd. | Method for cleaning a separation membrane in a membrane bioreactor system |
| KR20080071015A (en) * | 2007-01-29 | 2008-08-01 | 정덕수 | Asymmetric multilayer ceramic filter and its manufacturing method and water purification system using the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848182A (en) * | 2020-08-03 | 2020-10-30 | 贺州学院 | A kind of preparation method of ceramic film inside container |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014061990A1 (en) | 2014-04-24 |
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Application publication date: 20150708 |