CN110090558A - Hollow tubular membrane for water treatment element ultrasound wave descaling devices and methods therefor - Google Patents
Hollow tubular membrane for water treatment element ultrasound wave descaling devices and methods therefor Download PDFInfo
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- CN110090558A CN110090558A CN201910506878.5A CN201910506878A CN110090558A CN 110090558 A CN110090558 A CN 110090558A CN 201910506878 A CN201910506878 A CN 201910506878A CN 110090558 A CN110090558 A CN 110090558A
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- treatment element
- tubular membrane
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- 239000012528 membrane Substances 0.000 title claims abstract description 127
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000002604 ultrasonography Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims description 44
- 239000003814 drug Substances 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 10
- 239000010802 sludge Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 238000001223 reverse osmosis Methods 0.000 abstract description 3
- 238000000108 ultra-filtration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 18
- 239000013043 chemical agent Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000004506 ultrasonic cleaning Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- 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
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/20—By influencing the flow
- B01D2321/2066—Pulsated flow
- B01D2321/2075—Ultrasonic treatment
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention relates to a kind of hollow tubular membrane for water treatment element ultrasound wave descaling devices and methods therefors.Existing water process tubular type membrane component ultrasound wave descaling apparatus structure is complicated, ultrasonic energy is not concentrated.Thus, this hollow tubular membrane for water treatment element ultrasound wave descaling device includes ultrasonic wave generating unit, control unit and walking servo unit, the walking servo unit includes that cabinet and two semicircles embrace ring, two semicircles embrace ring upper end and pass through hinged axis connection, the articulated shaft is perpendicular to the semicircle corresponding end-faces for embracing ring, two semicircles embrace ring lower end and are equipped with fastener, it is detachably connected by fastener, form an openable and closable closed loop, each semicircle armful of ring is made of a telescopic joint with the segmental arc for being connected to bellow-type expansion joint both ends, the amplitude transformer and high frequency hoodle contact are just arranged in intracavitary in the bellow-type expansion joint.The present invention is suitble to match with ultrafiltration membrane, reverse osmosis membrane water treatment facilities, is widely used in various water treatment works.
Description
Technical field
The present invention relates to a kind of hollow tubular membrane for water treatment element ultrasound wave descaling devices and methods therefors.
Background technique
Currently, all in municipal sewage treatment and reuse, Industrial Wastewater Treatment and reuse and high-salt wastewater concentration minimizing etc.
It is widely applied to membrane technology in multi-field water process, wherein especially most with tubular membrane application.Membrane technology
Although having many advantages, such as the problems such as operation at normal temperature, energy conservation, separative efficiency are high, and there is also easy dirty stifled and easy foulings, only
Have after membrane component obtains thorough descaling rinsing, just can guarantee the efficient operation and treatment effect of system.
Traditional antiscaling, descaling method is the improvement focused on to influent quality in film process, exactly by physically or chemically
Method improves influent quality, such as reduces fouling probability, reduces hardness in water and adjust pH value.Exist in the operation of these methods
The problems such as cost payout is high, short without the dirty phase and influence factor is more.Wherein just need to use using more chemical cleaning cleaning method
To a large amount of soda acid medicament or Special end product scale remover, not only operating cost height can also generate secondary pollution.
In recent years, ultrasonic cleaning technology is being applied to multiple fields.So-called ultrasonic cleaning technology is exactly benefit
Reach descaling rinsing purpose with " cavitation effect " of ultrasonic wave.However, the cleaning of existing ultrasound wave descaling that there is scale removal effects is poor,
The problem of low efficiency.Therefore, ultrasonic wave " cavitation effect " is applied in the single chemical cleaning of membrane for water treatment element, the two coupling
Collaboration, generate invigoration effect on the one hand can fragmentation fouling initial stage at dirty nucleus, prevent the crystalline temperature in fixed position, it is effectively anti-
Only deposition and growth of the inorganic salts in film surface；On the other hand dirt matter can be fallen off into, accelerates scale forming matter dissolution, reduces chemical drugs
Agent usage amount improves the cleaning effect of antiscaling, descaling, effectively extends the service life of seperation film.
Currently, ultrasonic cleaning technology more application is rarely applied to water in the cleaning of heat-exchange apparatus and petroleum pipeline
It handles in the antiscaling, descaling cleaning of membrane component.CN03130388.9 discloses a kind of " ultrasonic cleaning of hollow fiber separating film
Device ", its purpose are to provide that a kind of equipment is simple, take up little area, separate that Membrane cleaning is thorough, cost for hollow fiber separating film
Low ultrasonic cleaning equipment.Its shortcoming is that cleaning way is single (only with ultrasonic wave), and device is various, and (each membrane component needs
With one group of ultrasonic unit), it makes troubles to later maintenance replacement.CN201210278706.5 is disclosed " to be installed additional outside a kind of pipe
Formula ultrasound processing equipment ", its purpose is the ultrasonic transducer that design a pair can be convenient installation on the outside of circular pipe, to pipe
The liquid of interior flowing applies ultrasonic wave.Its shortcoming is that installation site is fixed, and can not move outside pipe and apply ultrasonic wave.
Therefore, in order to improve water process tubular type membrane component ultrasonic wave-coupled chemical scale inhibition descaling rinsing effect, overcome single
Deficiency existing for chemical cleaning and existing apparatus and problem, provide that a kind of antiscaling, descaling is high-efficient, operating cost is low, operation is convenient
The antiscaling, descaling method and device of flexible water process tubular type membrane component has practical significance.
Summary of the invention
It is an object of the invention to: in order to overcome above-mentioned deficiency, a kind of membrane for water treatment element descaling rinsing method is provided, is led to
The coupling cooperative reinforcing effect for crossing ultrasonic wave " cavitation effect " and chemical agent cleaning, improves the antiscaling, descaling of membrane for water treatment element
Effect reduces chemical cleaning medicament usage amount.
It is another object of the present invention to: in order to realize the above method, provide a kind of membrane for water treatment element descaling rinsing
Device.The device can install additional in water process tubular membrane element shell upper annular, and walk back and forth along membrane component axis drives, have
The features such as simple installation, use flexibly, continuous moving work.
In order to solve the above technical problems, this hollow tubular membrane for water treatment element ultrasound wave descaling device, it includes ultrasonic wave
Generating unit and control unit, wherein ultrasonic wave generating unit includes ultrasonic transducer, amplitude transformer and high frequency hoodle contact；Control
Unit processed includes shell, power switch and operating parameter adjuster, and operating parameter adjuster is arranged in shell, the operating parameter
Adjuster is connected by scalable power signal line with the ultrasonic transducer of ultrasonic wave generating unit, it is characterised in that: it is also
Including servo unit of walking, which includes cabinet and two semicircles embrace ring, and it is logical that two semicircles embrace ring upper end
Hinged axis connection is crossed, which is parallel to the semicircle axial line for embracing ring, and two semicircles embrace ring lower end and are equipped with fastener, pass through
Fastener is detachably connected at an openable and closable closed loop, and each semicircle armful of ring by a bellow-type expansion joint and is connected to ripple
The segmental arc at telescopic joint both ends is constituted, and intracavitary in the bellow-type expansion joint, change is just arranged in the amplitude transformer and high frequency hoodle contact
Width bar one end is connect with ultrasonic transducer, and the other end is connect with high frequency hoodle contact, by the energy transmission of supersonic generator
To high frequency hoodle contact, and high frequency hoodle contact exposes bellow-type expansion joint inner sidewall,
The cabinet is fixed at the top of closed loop, which protrudes from the closed loop respectively, under protruding portion middle section
Surface is equipped with circular groove, and a pair of driving wheels is equipped in circular groove, is equipped in cabinet and drives watching for above-mentioned driving wheel
Motor is taken, which is controlled by described control unit,
Be additionally provided with walking ball on the segmental arc inner sidewall of lower section, each walking ball be rotatably mounted to one it is adjustable
The inner end of radial expansion bar, the axial line of the adjustable radial telescopic rod axial line and hollow tubular membrane for water treatment element to be cleaned
It intersects vertically.
It is designed in this way, the ultrasonic energy that ultrasonic wave generating unit issues is concentrated, and is driven by servo motor, to be cleaned
Hollow tubular membrane for water treatment element move back and forth, the scales of hollow tubular membrane for water treatment element different parts to be cleaned this rise
That throw oneself on the ground to be bombarded by high-energy ultrasound, and scale is broken thoroughly, good descaling effect.
As optimization, the amplitude range of the ultrasonic transducer is 20~40 microns, frequency range is 100~
300kHz.It is designed in this way, when handling ultrafiltration membrane elements, the preferred scope of supersonic transducer frequency is 100~200kHz, processing
When reverse-osmosis membrane element, the preferred scope of supersonic transducer frequency is 200~300kHz.
It further include two travel switches, two travel switches are connected with control unit respectively, and can clamp as optimization
Be fixed on hollow tubular membrane for water treatment element both ends to be cleaned, walking servo unit by two travel switches position-limiting action,
It can walk back and forth on the shell of hollow tubular membrane for water treatment element to be cleaned under control unit control, the speed of travel is
0.5~2m/min.It is designed in this way, convenient for automatically controlling the reciprocating movement of walking servo unit.
As optimization, the quantity difference at least two of the ultrasonic transducer, amplitude transformer and high frequency hoodle contact, or
Person is that more than two even numbers interval is symmetrical.It is designed in this way, symmetrical configuration runs smoothly.
Hollow tubular membrane for water treatment element descaling rinsing method of the present invention, method includes the following steps:
1. carries out chemical cleaning cleaning to hollow tubular membrane for water treatment element to be cleaned, the method is as follows:
According to the different type of hollow tubular membrane for water treatment element to be cleaned, suitable scale removal medicament is selected, according to phase
The chemical cleaning answered requires to be operated, and scale removal medicament is pumped into the inlet of hollow tubular membrane for water treatment element to be cleaned,
The continuous feed liquor of the pressure and flow kept constant stopped feed liquor after 4~8 hours, dissolve it is lesser at dirty nucleus and dissolution part compared with
Big dirty body, cleaning waste liquid are discharged from the discharge outlet of hollow tubular membrane for water treatment element to be cleaned；
2. installs said hollow tubulose membrane for water treatment element ultrasonic wave on hollow tubular membrane for water treatment element to be cleaned
Apparatus for eliminating sludge --- hereinafter referred to as film apparatus for eliminating sludge, the method is as follows:
Fastener is opened, two semicircles are embraced and are opened around the articulated shaft, are covered at hollow tubular water to be cleaned
It manages on membrane component, is then linked to be closed loop with fastener, and can move left and right, then adjusts adjustable radial telescopic rod again, make the row
It walks ball to be against on the outer wall of the hollow tubular membrane for water treatment element to be cleaned, completes installation；
3. stops scale removal medicament feed liquor, start film apparatus for eliminating sludge, the method is as follows:
It turns on the power switch, starts the ultrasonic transducer in ultrasonic wave generating unit, adjust ultrasonic frequency and amplitude,
The starting servo motor, drives the closed loop and cabinet on hollow tubular membrane for water treatment element to be cleaned after probable simultaneously
Left and right reciprocating movement carries out ultrasonic disruption to the scale in hollow tubular membrane for water treatment element to be cleaned；
4. is again started up and is persistently pumped into scale removal medicament, until from the row of hollow tubular membrane for water treatment element to be cleaned
The cleaning waste liquid of mouth discharge is put compared with scale removal medicament, pH value is unchanged,
5. scale removal medicament is changed into clean clear water or distilled water by, from hollow tubular membrane for water treatment element to be cleaned into
Liquid mouth is pumped into, and is discharged from the discharge outlet of hollow tubular membrane for water treatment element to be cleaned, is rinsed 3-5 minutes, finally close power supply
Switch, and its closed loop is removed from hollow tubular membrane for water treatment element to be cleaned.
It is designed in this way, the ultrasonic energy that ultrasonic wave generating unit issues is concentrated, and is driven by servo motor, to be cleaned
Hollow tubular membrane for water treatment element on move back and forth, the scale of hollow tubular membrane for water treatment element different parts to be cleaned,
It is bombarded by high-energy ultrasound with rising one after another, scale crushing effect, scale removal is thorough.
Preferably, 3., when 4. walking, the closed loop is often moved to from hollow tubular membrane for water treatment element one end to be cleaned
The other end is primary, and the closed loop and high frequency hoodle contact thereon deflect 5 on hollow tubular membrane for water treatment element to be cleaned
~10 °, until high frequency hoodle contact equably is walked to go on hollow tubular membrane for water treatment member outer circumference wall to be cleaned
Or several times.
It is designed in this way, uniformly, scale removal is thorough for processing.
Hollow tubular membrane for water treatment element ultrasound wave descaling devices and methods therefor of the present invention has the advantage that
(1) ultrasonic cleaning technology is applied in the single chemical cleaning method of membrane for water treatment element by the present invention, utilizes
Ultrasonic wave " cavitation effect " and the coupling cooperative reinforcing of chemical agent cleaning act on, and realize " initial stage chemical cleaning+mid-term ultrasonic wave
The cleaning way of cleaning+later period chemical cleaning " combines, the solution dirt process kissing of this and scale forming matter " corrosion+vibration is split+is dissolved "
It closes.The rupture that ultrasonic wave " cavitation effect " forms micro-bubble can generate the great shock wave of energy, influence inside scale forming matter
Between fastness, the binding force between dirty layer and seperation film is destroyed, to generate many small cracks.When crackle gradually increases
Afterwards, scale forming matter is just broken into particle, and a part falls off from separation membrane surface.In addition, water and chemical agent lead under capillary action
It crosses fine cracks to penetrate into inside scale forming matter, drive the expansion of scale forming matter and falls off；On the other hand, " cavitation effect " is to knot
The further dissolution for facilitating chemical agent to it is split in the vibration of dirt matter, solves little particle to the blockage problem in membrane component channel.
(2) present invention is innovative proposes that the scale removal that ultrasonic cleaning technology is applied to water process tubular type separating film element is clear
In washing, change single chemical cleaning mode, realizes the transformation that cleaning way is cleaned from chemical cleaning to materialization, effectively improve water
The descaling rinsing effect of membrane component is handled, chemical agent usage amount is reduced, reduces corrosion of the chemical agent to membrane for water treatment element
The secondary pollution of effect and cleaning waste liquid to environment.
(3) present invention is innovative proposes membrane component shell walking working method, changes the fixation of conventional pipeline inner wall scale removal
Point mode overcomes in large-scale membrane for water treatment component the inconvenience in the membrane component scaling operation of " not only long but also high ", utilizes simultaneously
The ultrasonic sweep-frequency mode or fixed frequency modes of device realize the comprehensive all band descaling rinsing to membrane component in the present invention
Purpose.
(4) present invention effectively increases membrane for water treatment element antiscaling, descaling cleaning effect, alleviates membrane for water treatment element and exists
Fouling dirt in operational process is stifled and corrodes, and extends the service life of membrane for water treatment element, reduces operating cost.Device is small
Type, flexible operation are convenient.
The present invention is suitble to match with ultrafiltration membrane, reverse osmosis membrane water treatment facilities, is widely used in various water process works
In work.
Detailed description of the invention
Hollow tubular membrane for water treatment element ultrasound wave descaling devices and methods therefor of the present invention is made into one with reference to the accompanying drawing
Step explanation:
Fig. 1 is the structural schematic diagram of the use state of this hollow tubular membrane for water treatment element ultrasound wave descaling device；
Fig. 2 is the stereoscopic schematic diagram of hollow tubular membrane for water treatment element ultrasound wave descaling device described in Fig. 1；
Fig. 3 is the A-A profile structure diagram of the element ultrasound wave descaling device of hollow tubular membrane for water treatment shown in Fig. 2；
Fig. 4 is the B-B cross-section structure diagram of the element ultrasound wave descaling device of hollow tubular membrane for water treatment shown in Fig. 2.
In figure: 1 being ultrasonic transducer, 2 be amplitude transformer, 3 be high frequency hoodle contact, 4 be shell, 5 be power switch, 6
For operating parameter adjuster, 7 be scalable power signal line, 8 be cabinet, 9 be it is semicircle embrace ring, 10 be articulated shaft, 11 be wave
Line telescopic joint, 12 be segmental arc, 13 be driving wheel, 14 be servo motor, 15 be walking ball, 16 be hollow tubular to be cleaned
Membrane for water treatment element, 161 for hollow tubular membrane for water treatment element 16 to be cleaned inlet, 162 be hollow tube to be cleaned
The discharge outlet of shape membrane for water treatment element 16,17 be adjust screw rod, 18 be fastener.
Specific embodiment
Embodiment one: as shown in Figs 1-4, this hollow tubular membrane for water treatment element ultrasound wave descaling device includes ultrasonic wave
Generating unit and control unit, wherein ultrasonic wave generating unit includes ultrasonic transducer 1, amplitude transformer 2 and high frequency hoodle contact
3；Control unit includes shell 4, power switch 5 and operating parameter adjuster 6, and operating parameter adjuster 6 is arranged in shell 4,
The operating parameter adjuster 6 is connected by scalable power signal line 7 with the ultrasonic transducer 1 of ultrasonic wave generating unit,
Be characterized in that: it further includes walking servo unit, which includes cabinet 8 and two semicircles embrace rings 9, and two and half
Circle is embraced 9 upper end of ring and is connected by articulated shaft 10, which is parallel to the semicircle axial line for embracing ring 9, two semicircles
It embraces 9 lower end of ring and is equipped with fastener 18, it is detachably connected at an openable and closable closed loop by fastener 18.
Each semicircle ring 9 of embracing is by a bellow-type expansion joint 11 and 12 structure of segmental arc for being connected to 11 both ends of bellow-type expansion joint
At intracavitary in the bellow-type expansion joint 11,2 one end of amplitude transformer and ultrasound is just arranged in the amplitude transformer 2 and high frequency hoodle contact 3
Wave transducer 1 connects, and the other end is connect with high frequency hoodle contact 3, and the energy transmission of supersonic generator to high frequency hoodle is touched
First 3, and high frequency hoodle contact 3 exposes 11 inner sidewall of bellow-type expansion joint.
The cabinet 8 is fixed at the top of closed loop, which protrudes from the closed loop, protruding portion middle section respectively
Lower surface is equipped with circular groove, and a pair of driving wheels 13 is equipped in circular groove, is equipped in cabinet 8 and drives above-mentioned driving wheel
13 servo motor 14, the servo motor 14 control by described control unit
Walking ball 15 is additionally provided on 12 inner sidewall of segmental arc of lower section, each walking ball 15 is rotatably mounted to one
The inner end of a adjustable radial telescopic rod, the adjustable radial telescopic rod axial line and hollow tubular membrane for water treatment element 16 to be cleaned
Axial line intersect vertically.
Semicircle embrace is provided with radial through-hole on ring 9, and the radial through-hole inner section is in non-circular, the adjustable radial
Telescopic rod is hollow, and outer end is provided with external screw thread, and the radial through-hole outer end has been rotatably fixed an adjusting screw rod 17, rotation
The adjusting screw rod 17 can drive the walking ball retraction of the adjustable radial telescopic rod and inner end or stretch out radial through-hole.Such as
This design can drive the walking ball of adjustable radial telescopic rod and its inner end, make ball of walking by adjusting screw rod 17
15 are against on the shell of hollow tubular membrane for water treatment element 16 to be cleaned, are easily installed, and it is slightly poor to can be used for outer diameter
Different different hollow tubular membrane for water treatment elements 16 to be cleaned.
The amplitude range of the ultrasonic transducer 1 is 20~40 microns, and frequency range is 100~300kHz.
It further includes two travel switch (not shown)s, and two travel switches are connected with control unit respectively, and can
It is clamped to 16 both ends of hollow tubular membrane for water treatment element to be cleaned, walking servo unit can be by two travel switches
Position-limiting action walks back and forth on the shell of hollow tubular membrane for water treatment element 16 to be cleaned under control unit control, row
Walking speed is 0.5~2m/min.
The quantity difference at least two of the ultrasonic transducer 1, amplitude transformer 2 and high frequency hoodle contact 3, or be two
A above even number interval is symmetrical.
Hollow tubular membrane for water treatment element descaling rinsing method of the present invention, method includes the following steps:
1. carries out chemical cleaning cleaning to hollow tubular membrane for water treatment element 16 to be cleaned, the method is as follows:
According to the different type of hollow tubular membrane for water treatment element 16 to be cleaned, suitable scale removal medicament is selected, according to
Corresponding chemical cleaning requires to be operated, and scale removal medicament is pumped into the feed liquor of hollow tubular membrane for water treatment element 16 to be cleaned
Mouth 161, the continuous feed liquor of the pressure and flow kept constant stopped feed liquor after 4~8 hours, dissolved lesser at dirty nucleus and dissolution
The biggish dirty body in part, cleaning waste liquid are discharged from the discharge outlet 162 of hollow tubular membrane for water treatment element 16 to be cleaned.
2. installs said hollow tubulose membrane for water treatment element ultrasonic wave on hollow tubular membrane for water treatment element to be cleaned
Apparatus for eliminating sludge --- hereinafter referred to as film apparatus for eliminating sludge, the method is as follows:
Fastener 18 is opened, two semicircles are embraced into ring 9 and are opened around the articulated shaft 10, are covered in hollow tubular to be cleaned
On membrane for water treatment element 16, then it is linked to be closed loop with fastener, and can move left and right, then adjusts adjustable radial telescopic rod again, make
The walking ball 15 is against on the outer wall of the hollow tubular membrane for water treatment element 16 to be cleaned, installation is completed, such as Fig. 1 institute
Show.
3. stops scale removal medicament feed liquor, start film apparatus for eliminating sludge, the method is as follows:
5 are turned on the power switch, the ultrasonic transducer 1 in ultrasonic wave generating unit is started, adjusts ultrasonic frequency and vibration
Width, while the probable rear starting servo motor 14, drive the closed loop and cabinet 8 in hollow tubular membrane for water treatment to be cleaned
Left and right reciprocating movement on element 16 carries out ultrasonic disruption to the scale in hollow tubular membrane for water treatment element 16 to be cleaned.
4. is again started up and is persistently pumped into scale removal medicament, until from hollow tubular membrane for water treatment element 16 to be cleaned
For the cleaning waste liquid that discharge outlet 162 is discharged compared with scale removal medicament, pH value is unchanged.
5. scale removal medicament is changed into clean clear water or distilled water by, from hollow tubular membrane for water treatment element 16 to be cleaned
Inlet 161 be pumped into, be discharged, rinse 3-5 minutes from the discharge outlet 162 of hollow tubular membrane for water treatment element 16 to be cleaned,
5 are finally turned off the power switch, and its closed loop is removed from hollow tubular membrane for water treatment element 16 to be cleaned.
3., when 4. walking as changeization, the closed loop is often moved to from hollow tubular membrane for water treatment element one end to be cleaned
The other end is primary, and the closed loop and high frequency hoodle contact thereon deflect 5 on hollow tubular membrane for water treatment element to be cleaned
~10 °, until high frequency hoodle contact equably is walked to go on hollow tubular membrane for water treatment member outer circumference wall to be cleaned
Or several times.
The present invention can effectively improve the antiscaling, descaling cleaning effect of membrane for water treatment element, and descaling rinsing gap periods ratio uses
Single chemistry cleaning way extends about 40~50%, reduces the fouling probability again of same point in seperation film, alleviates
Other polluters are stifled on the dirt of seperation film to be influenced, and the service life of membrane for water treatment element is extended；On the other hand, in the present invention
Chemical cleaning time length ratio shortens about 50~60% using single chemical cleaning way, reduce chemical agent usage amount about 40~
60%, secondary pollution of the chemical agent to the corrosion of seperation film and cleaning waste liquid to environment is alleviated, operating cost is reduced.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement；And these are modified or replaceed, the range for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of hollow tubular membrane for water treatment element ultrasound wave descaling device, it includes ultrasonic wave generating unit and control unit,
Wherein ultrasonic wave generating unit includes ultrasonic transducer, amplitude transformer and high frequency hoodle contact；Control unit includes shell, power supply
Switch and operating parameter adjuster, operating parameter adjuster are arranged in shell, which passes through scalable electricity
Source signal line is connected with the ultrasonic transducer of ultrasonic wave generating unit, it is characterised in that: it further includes walking servo unit, should
Walking servo unit includes cabinet and two semicircles embrace ring, and two semicircles embrace ring upper end by hinged axis connection, this is hinged
Axis is parallel to the semicircle axial line for embracing ring, and two semicircles embrace ring lower ends and are equipped with fastener, by fastener it is detachably connected at
One openable and closable closed loop, each semicircle ring of embracing is by a bellow-type expansion joint and the segmental arc for being connected to bellow-type expansion joint both ends
It constitutes, intracavitary in the bellow-type expansion joint, amplitude transformer one end and ultrasonic waves are just arranged in the amplitude transformer and high frequency hoodle contact
Can device connection, the other end connect with high frequency hoodle contact, by the energy transmission of supersonic generator to high frequency hoodle contact, and height
Frequency hoodle contact exposes bellow-type expansion joint inner sidewall,
The cabinet is fixed at the top of closed loop, which protrudes from the closed loop, protruding portion middle section lower surface respectively
Equipped with circular groove, and it is equipped with a pair of driving wheels in circular groove, the servo electricity for driving above-mentioned driving wheel is equipped in cabinet
Machine, the servo motor are controlled by described control unit,
Walking ball is additionally provided on the segmental arc inner sidewall of lower section, each walking ball is rotatably mounted to an adjustable radial
The inner end of telescopic rod, the adjustable radial telescopic rod axial line are vertical with the axial line of hollow tubular membrane for water treatment element to be cleaned
Intersection.
2. hollow tubular membrane for water treatment element ultrasound wave descaling device according to claim 1, it is characterised in that: described super
The amplitude range of acoustic wave transducer is 20~40 microns, and frequency range is 100~300kHz.
3. hollow tubular membrane for water treatment element ultrasound wave descaling device according to claim 1, it is characterised in that: it is also wrapped
Two travel switches are included, two travel switches are connected with control unit respectively, and can be clamped to hollow tubular water to be cleaned
Handle membrane component both ends, walking servo unit can by the position-limiting action of two travel switches, under control unit control, to
It walks back and forth on the shell of the hollow tubular membrane for water treatment element of cleaning, the speed of travel is 0.5~2m/min.
4. hollow tubular membrane for water treatment element ultrasound wave descaling device according to claim 1, it is characterised in that: described super
The quantity difference at least two of acoustic wave transducer, amplitude transformer and high frequency hoodle contact, or be more than two even numbers interval
It is symmetrical.
5. a kind of hollow tubular membrane for water treatment element descaling rinsing method, method includes the following steps:
1. is to hollow tubular membrane for water treatment element to be cleaned --- hollow tubular water process membrane element hereinafter referred to as to be cleaned
Part --- carry out chemical cleaning cleaning, the method is as follows:
According to the different type of hollow tubular membrane for water treatment element to be cleaned, suitable scale removal medicament is selected, according to corresponding
Chemical cleaning requires to be operated, and scale removal medicament is pumped into the inlet of hollow tubular membrane for water treatment element to be cleaned, keeps
The continuous feed liquor of constant pressure and flow stopped feed liquor after 4~8 hours, dissolved lesser biggish at dirty nucleus and dissolution part
Dirty body, cleaning waste liquid are discharged from the discharge outlet of hollow tubular membrane for water treatment element to be cleaned；
2. installs any hollow tubular water process of Claims 1-4 on hollow tubular membrane for water treatment element to be cleaned
Membrane component ultrasound wave descaling device --- hereinafter referred to as film apparatus for eliminating sludge, the method is as follows:
Fastener is opened, two semicircles are embraced and are opened around the articulated shaft, are covered in hollow tubular membrane for water treatment to be cleaned
On element, then it is linked to be closed loop with fastener, and can move left and right, then adjusts adjustable radial telescopic rod again, rolls the walking
Pearl is against on the outer wall of the hollow tubular membrane for water treatment element to be cleaned, completes installation；
3. stops scale removal medicament feed liquor, start film apparatus for eliminating sludge, the method is as follows:
It turns on the power switch, starts the ultrasonic transducer in ultrasonic wave generating unit, adjust ultrasonic frequency and amplitude, simultaneously
The starting servo motor after probable, drive the closed loop and cabinet it is left on hollow tubular membrane for water treatment element to be cleaned,
Right reciprocating movement carries out ultrasonic disruption to the scale in hollow tubular membrane for water treatment element to be cleaned；
4. is again started up and is persistently pumped into scale removal medicament, until from the discharge outlet of hollow tubular membrane for water treatment element to be cleaned
For the cleaning waste liquid of discharge compared with scale removal medicament, pH value is unchanged,
5. scale removal medicament is changed into clean clear water or distilled water by, from hollow tubular membrane for water treatment element inlet to be cleaned
It is pumped into, is discharged from the discharge outlet of hollow tubular membrane for water treatment element to be cleaned, rinses 3-5 minutes, finally turn off the power switch,
And its closed loop is removed from hollow tubular membrane for water treatment element to be cleaned.
6. hollow tubular membrane for water treatment element descaling rinsing method according to claim 5, it is characterised in that: 3., 4.
When step, it is primary that the closed loop often moves to the other end from hollow tubular membrane for water treatment element one end to be cleaned, the closed loop and its
On high frequency hoodle contact 5~10 ° are deflected on hollow tubular membrane for water treatment element to be cleaned, until high frequency hoodle contact exists
It equably walks to go on hollow tubular membrane for water treatment member outer circumference wall to be cleaned or several times.
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