CN1211169C - Ultrasonic cleaner for hollow fibre separating membrane - Google Patents
Ultrasonic cleaner for hollow fibre separating membrane Download PDFInfo
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- CN1211169C CN1211169C CN 03130388 CN03130388A CN1211169C CN 1211169 C CN1211169 C CN 1211169C CN 03130388 CN03130388 CN 03130388 CN 03130388 A CN03130388 A CN 03130388A CN 1211169 C CN1211169 C CN 1211169C
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- hollow fiber
- separating film
- fiber separating
- ultrasonic energy
- separation membrane
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Abstract
The present invention relates to an ultrasonic cleaning device of a hollow fibre separation membrane, which is used for the various fields of wastewater treatment and recycling. The components of the device are hollow fiber separation membrane components, a plurality of ultrasonic energy exchangers are fixedly installed on the metal shells of the separation membrane components, (or a flush type method is adopted, namely that after the ultrasonic energy exchangers are fixed on bar steel and are sealed, the bar steel is fixed on the inner sides of the nonmetallic shells of the separation membrane components), an ultrasonic energy generator is fixed on the outer part of the membrane components, the ultrasonic energy exchangers and the ultrasonic energy generator are connected into integration by cables, high-frequency vibration waves of ultrasonic waves are converted to high-frequency mechanical vibration waves transmitted in water, and the cavitation effect is formed for separating dirt from the separation membrane; wastewater is flushed out from the separation membrane by water passing through a valve and a pipeline, and the separation membrane is cleaned. The present invention has the advantages of simplicity, small occupation of land, convenient operation, thorough cleaning, long service life of the separation membrane, low cost and favorable effect of environmental protection.
Description
Technical field:
The invention belongs to the cleaning device of hollow fiber separating film, particularly relate to the ultrasonic cleaning equipment of the hollow fiber separating film of a kind of processing that is applied to each field waste water and reuse.
Background technology:
In the processing of city sewage deep treatment and reuse, Industrial Wastewater Treatment and reuse, food, pharmaceutical wastewater processing and important source material recovery, chemical industry and each field factory effluent, used hollow fiber separating film widely, though it have can operate at normal temperatures, energy-conservation, the advantage that cuts down the consumption of energy, but, only after the thorough cleaning of hollow fiber separating film, can guarantee the efficient operation and the treatment effect of system.The present gas that adopts, the two technology of washing of water, promptly earlier in the hollow fiber separating film system, feed compressed air, impact by air-flow comes off the dirt on hollow fiber separating film surface, water is taken dirt out of the hollow fiber separating film system again, but cleaning performance is undesirable, be not the pollution that reduces hollow fiber separating film most effectively, thereby make the Chemical cleaning cycle of back shorten, equipment is huge, occupation of land is big.
Summary of the invention:
The objective of the invention is to: provide in order to overcome above-mentioned deficiency a kind of equipment simple, take up an area of little, diffusion barrier cleans thoroughly, cost is low and be used for each field wastewater treatment and the ultrasonic cleaning equipment of the hollow fiber separating film that backwater is used.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: it is by the hollow fiber separating film assembly, pump, the turnover tank, dirt discharge groove, valve, connecting pipe is formed, it is characterized in that: hollow fiber separating film assembly I is by water inlet 1, sewage draining exit 2, circulating water outlet 3, delivery port 4, ultrasonic energy interchanger 5, sealing ring 6, cable 7, hollow fiber separating film 8, stainless steel casing 9, ultrasonic energy generator 10 constitutes, ultrasonic energy interchanger 5 is fixed on the symmetrical polyhedron stainless steel casing of the geometry that hollow fiber separating film assembly I is housed 9 surfaces, the two ends cover sealing ring 6 of hollow fiber separating film 8, sealing ring 6 with described hollow fiber separating film 8 and two ends cover is fastened in the stainless steel casing 9 again, and ultrasonic energy interchanger 5 and the ultrasonic energy generator 10 that is fixed on hollow fiber separating film assembly I one side are connected together with cable 7, the external diameter of hollow fiber separating film assembly I should not limit less than its length of 50cm, but assembly I the energy exchanger 5 of Chang'an dress is many more more.
The present invention can also adopt following measure: described hollow fiber separating film 8 adopts micro-filtration membrane, milipore filter, NF membrane and the reverse osmosis membrane of external-compression type or inner pressed; The metal shell 9 of described hollow fiber separating film assembly I adopts aluminium, aluminium alloy or other metal material; The metal shell 9 of described hollow fiber separating film assembly I be shaped as tetrahedron, hexahedron, octahedra various symmetrical polyhedrons.
Advantage and good effect that the present invention has are: because hyperacoustic dither ripple forms " cavitation " effect, thereby guarantee good cleaning performance, alleviate the pollution of hollow fiber separating film in running effectively, prolonged the service life of hollow fiber separating film, reduced operating cost, cancelled configuration of the prior art, thereby equipment is simplified greatly, and single unit system takes up an area of little, safeguards simple, save time, laborsaving, easy to operate, can be extensive use of micro-filtration, ultrafiltration, nanofiltration and counter-infiltration hollow fiber separating film, its method of operation adopts the external-compression type of easy to clean dirt more, so clean thoroughly, environment protecting is good.
Description of drawings:
Fig. 1 is a hollow fiber separating film modular construction schematic diagram of the present invention.
Fig. 2 is a single unit system operation schematic diagram of the present invention.
The specific embodiment:
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows, see also Fig. 1-Fig. 2.
As shown in Figure 1: on the differing heights of its doughnut separating film module I below relative position water inlet 1 and sewage draining exit 2 are arranged in apparatus of the present invention, circulating water outlet 3 and delivery port 4 are arranged above hollow fiber separating film assembly I, middle five the ultrasonic energy interchangers 5 of hollow fiber separating film assembly I also are fixed on glue or magnet on stainless steel casing 9 surfaces of hollow fiber separating film assembly I, this shell 9 also can adopt other metal material such as aluminium and aluminium alloy, because of metal material helps hyperacoustic propagation, in addition, in order to make the back wave better effects if, its shell 9 shapes adopt how much polyhedron (tetrahedrons of symmetry more, hexahedron, octahedra), present embodiment adopts hexahedron, ultrasonic energy interchanger 5 connects together with the ultrasonic energy generator 10 usefulness cables 7 that are fixed on hollow fiber separating film assembly I one side, the two ends of hollow fiber separating film 8 put sealing ring 6, and the sealing ring 6 of hollow fiber separating film 8 and two ends cover is fastened in the metal shell 9, sealing ring 6 can also separate water inlet and the water outlet among the hollow fiber separating film assembly I, does not mix mutually with sewage to guarantee clear water.Because hollow fiber separating film assembly (I) is long more, the energy exchanger of installation (5) is many more.In the present embodiment, the external diameter of hollow fiber separating film assembly I is that 25cm (usually less than 50cm) length is 130cm, adopts five ultrasonic energy interchangers 5 that are respectively 100w.
When carrying out external-compression type cleaning operation, frequency conversion intake pump 13 was worked after whole as shown in Figure 2 device provided clear instruction by control system, at this moment, frequency conversion backwashing pump 24 is out of service, meanwhile open pneumatic operated valve 15,16,17,26,27 and close pneumatic operated valve 21,23, frequency conversion intake pump 13 is squeezed into water the water inlet 1 among the hollow fiber separating film assembly I from intake chamber 11, after providing clear instruction, ultrasonic energy generator 10 sends higher-order of oscillation signal, this signal becomes the high-frequency mechanical vibration ripple by energy exchanger 5, it is delivered among the hollow fiber separating film assembly I by stainless steel casing 9, because of at this moment being full of the aqueous solution among the hollow fiber separating film assembly I, this moment ultrasonic wave in the aqueous solution density interphase ground to previous irradiation, make the ten hundreds of microbubble of generation in the aqueous solution, " cavitation " effect that it generates in the ultrasonic wave longitudinal propagation can form instantaneous pressure, continuously as " blast " and go out hollow fiber separating film 8 surfaces, the dirt of hollow fiber separating film 8 surface attachment is come off rapidly, after moving 0.5-1.0 minute like this, control system provides instruction once more, at this moment, frequency conversion intake pump 13 is out of service, frequency conversion backwashing pump 24 brings into operation, and close pneumatic operated valve 15,16,17,26,27 meanwhile, open pneumatic operated valve 21,23, then sewage drains into the dirt discharge groove 28 from the sewage draining exit 2 of doughnut separating film module I, and small part comes back to the intake chamber 11 from doughnut separating film module I upper end circulating water outlet 3 effluent trough 19 and the clear water major part after handling flows to by pipeline from the delivery port 4 of doughnut separating film module I.So far, finish an automatic cleaning process of hollow fiber separating film 8, back and forth carrying out this process then, hollow fiber separating film 8 constantly cleans automatically.Usually, cleaned once in 30 minutes when water quality is good, can suitably shorten the time during as water quality inferiority.The hand-operated valve of installing in this cleaning device the 12,14,18,20,22, the 25th, what use during for maintenance is normally open the in service of device.After the piezoelectric ceramic piece on the energy exchanger 5 damaged, what only need more renew got final product, and changes easy, easy, safety.
The ultrasonic wave that the present invention can also be used for biofilter, bacteria bed cleans.
Claims (4)
1. the ultrasonic cleaning equipment of a hollow fiber separating film, it is by the hollow fiber separating film assembly, pump, the turnover tank, dirt discharge groove, valve, connecting pipe is formed, it is characterized in that: hollow fiber separating film assembly (I) is by water inlet (1), sewage draining exit (2), circulating water outlet (3), delivery port (4), ultrasonic energy interchanger (5), sealing ring (6), cable (7), hollow fiber separating film (8), stainless steel casing (9), ultrasonic energy generator (10) constitutes, ultrasonic energy interchanger (5) is fixed on the symmetrical polyhedron stainless steel casing of the geometry that hollow fiber separating film assembly (I) is housed (9) surface, the two ends cover sealing ring (6) of hollow fiber separating film (8), sealing ring (6) with described hollow fiber separating film (8) and two ends cover is fastened in the stainless steel casing (9) again, and ultrasonic energy interchanger (5) and the ultrasonic energy generator (10) that is fixed on hollow fiber separating film assembly (I) side are connected together with cable (7), the external diameter of hollow fiber separating film assembly (I) should not limit less than its length of 50cm, but hollow fiber separating film assembly (I) is long more, and the energy exchanger of installation (5) is many more.
2. the ultrasonic cleaning equipment of a kind of hollow fiber separating film according to claim 1 is characterized in that: micro-filtration membrane, milipore filter, NF membrane and the reverse osmosis membrane of described hollow fiber separating film (8) employing external-compression type or inner pressed.
3. the ultrasonic cleaning equipment of a kind of hollow fiber separating film according to claim 1 is characterized in that: metal shell (9) employing aluminium, aluminium alloy or other metal material of described hollow fiber separating film assembly (I).
4. the ultrasonic cleaning equipment of a kind of hollow fiber separating film according to claim 1 is characterized in that: the metal shell (9) of described hollow fiber separating film assembly (I) be shaped as tetrahedron, hexahedron, the symmetrical polyhedron of octahedra various geometry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130388 CN1211169C (en) | 2003-07-10 | 2003-07-10 | Ultrasonic cleaner for hollow fibre separating membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03130388 CN1211169C (en) | 2003-07-10 | 2003-07-10 | Ultrasonic cleaner for hollow fibre separating membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1490091A CN1490091A (en) | 2004-04-21 |
| CN1211169C true CN1211169C (en) | 2005-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03130388 Expired - Fee Related CN1211169C (en) | 2003-07-10 | 2003-07-10 | Ultrasonic cleaner for hollow fibre separating membrane |
Country Status (1)
| Country | Link |
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| CN (1) | CN1211169C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297337C (en) * | 2005-01-10 | 2007-01-31 | 西安建筑科技大学 | Device and method for eliminating SO2 from gas with combined ultrasonic wave and hollow fiber containing soaked film |
| CN100382900C (en) * | 2005-03-30 | 2008-04-23 | 天津大学 | Integrated equipment for ultrasonic online testing and rinsing membrane module |
| US9149744B2 (en) | 2008-07-14 | 2015-10-06 | Fujimi Incorporated | Filtration method, method for purifying polishing composition using it, method for regenerating filter to be used for filtration, and filter regenerating apparatus |
| CN101564638B (en) * | 2009-06-05 | 2011-04-20 | 北京化工大学 | Method for strengthening mass transfer process of membrane absorption by utilizing solid phase particles |
| CN104056485A (en) * | 2014-05-27 | 2014-09-24 | 苏州市职业大学 | Ultrasonic self-purification device |
| CN106140458B (en) * | 2016-09-20 | 2017-08-25 | 荆门市格林美新材料有限公司 | Except the device of magnetic foreign body |
| CN107952370A (en) * | 2017-11-22 | 2018-04-24 | 北京科技大学 | Piezoelectric transducer for cylindrical membrane component automatically cleaning technology and preparation method thereof |
| CN112536287B (en) * | 2020-11-30 | 2022-05-20 | 刘四清 | Full-automatic cleaning device for medical test tube |
| CN112845366B (en) * | 2021-02-01 | 2022-06-14 | 沈阳富莱碳纤维有限公司 | PAN base carbon fiber ultrasonic wave washing device |
-
2003
- 2003-07-10 CN CN 03130388 patent/CN1211169C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1490091A (en) | 2004-04-21 |
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