CN105692795B - The control method of ultrafiltration water purification system and ultrafiltration water purification system - Google Patents
The control method of ultrafiltration water purification system and ultrafiltration water purification system Download PDFInfo
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- CN105692795B CN105692795B CN201610196755.2A CN201610196755A CN105692795B CN 105692795 B CN105692795 B CN 105692795B CN 201610196755 A CN201610196755 A CN 201610196755A CN 105692795 B CN105692795 B CN 105692795B
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- pure water
- ultra
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- filtration element
- water
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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
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- 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
- B01D65/027—Cleaning of other parts of the apparatus than the membrane
-
- 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
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
Abstract
The invention discloses the control methods of a kind of ultrafiltration water purification system and ultrafiltration water purification system, the ultrafiltration water purification system includes: ultra-filtration element, there are ultrafiltration membrane filaments in the ultra-filtration element and the ultra-filtration element is equipped with original water inlet, pure water outlet and rinses water out, the original water inlet is connected with raw water on-off valve, the pure water outlet is connected with pure water on-off valve, and the flushing water out is connected with flushing water on-off valve；For the air transporting arrangement to ultra-filtration element conveying gas, the air transporting arrangement is connected with the pure water outlet.Ultrafiltration water purification system according to an embodiment of the present invention has many advantages, such as that flushing effect is good, long service life.
Description
Technical field
The present invention relates to the technical field of electrical appliances manufacturing, in particular to a kind of ultrafiltration water purification system and ultrafiltration water purification system
The control method of system.
Background technique
Ultrafiltration water purifier is filtered the purification for realizing water using ultrafiltration membrane filaments to tap water.Ultrafiltration membrane filaments are produced bunchy
Shape is fixed in vessel shell, and tap water flows through the microorganisms such as the bacterium of ultrafiltration membrane filaments Shi Shuizhong, virus and iron rust, silt
Equal large granular impurities are filtered, and with using the time to increase, impurity can be accumulated in film wire surface.Ultrafiltration in the related technology
Water purifier, by for filter core be rinsed remove film wire surface impurity, but partial impurities due to be bonded in film wire without
It is readily removable, still can largely accumulate and influence for a long time the use of filter core using impurity.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, this hair
Bright to propose a kind of ultrafiltration water purification system, which has many advantages, such as that flushing effect is good, long service life.
The present invention also proposes a kind of control method of ultrafiltration water purification system.
To achieve the above object, a kind of ultrafiltration water purification system is proposed according to the embodiment of the first aspect of the invention, it is described
Ultrafiltration water purification system includes: ultra-filtration element, has ultrafiltration membrane filaments in the ultra-filtration element and the ultra-filtration element is equipped with raw water
Import, pure water outlet and flushing water out, the original water inlet are connected with raw water on-off valve, and the pure water outlet is connected with pure water
On-off valve, the flushing water out are connected with flushing water on-off valve；For the gas conveying to ultra-filtration element conveying gas
Device, the air transporting arrangement are connected with the pure water outlet.
Ultrafiltration water purification system according to an embodiment of the present invention has many advantages, such as that flushing effect is good, long service life.
In addition, ultrafiltration water purification system according to the above embodiment of the present invention can also have the following additional technical features:
According to one embodiment of present invention, the ultrafiltration water purification system further includes pressing at the pure water outlet for obtaining
The pressure-detecting device of power, the pressure-detecting device are connected according to the pressure at the pure water outlet with the pure water outlet
Whether damaged detect the ultrafiltration membrane filaments.
According to one embodiment of present invention, the ultrafiltration water purification system further include: for being carried out to the ultra-filtration element
The relief valve of pressure release, the relief valve are connected with the pure water outlet.
According to one embodiment of present invention, the ultrafiltration water purification system further include: controller, the controller respectively with
The raw water on-off valve, the flushing water on-off valve, the air transporting arrangement, the pressure-detecting device and the relief valve
Communication.
According to one embodiment of present invention, the ultrafiltration water purification system further include: for prompting the ultrafiltration membrane filaments to be
The prompting device of no breakage, the prompting device and the controller communication.
According to one embodiment of present invention, the air transporting arrangement, the pressure-detecting device and the relief valve
It is connected in parallel.
According to one embodiment of present invention, the raw water on-off valve and the flushing water on-off valve are electrical ball valve,
The pure water on-off valve is tap, and the relief valve is solenoid valve.
According to one embodiment of present invention, the pure water on-off valve and the air transporting arrangement are connected in parallel.
Embodiment according to the second aspect of the invention proposes a kind of control method of ultrafiltration water purification system, and the ultrafiltration is net
The control method of water system includes in water purification mode and the pass for opening original water inlet and pure water outlet and closing flushing water out
It closes original water inlet and pure water outlet and opens the rinse mode for rinsing water out,
Wherein, when being in the rinse mode, gas is conveyed into the pure water outlet of ultra-filtration element.
The control method of ultrafiltration water purification system according to an embodiment of the present invention makes with can be improved flushing effect, extending
The advantages that with the service life.
According to one embodiment of present invention, when being in the rinse mode, according to the pressure at the pure water outlet
Judge whether ultrafiltration membrane filaments damage.
According to one embodiment of present invention, when the pressure at the pure water outlet reaches setting value, described in judgement
Ultrafiltration membrane filaments are intact；After conveying the gas predetermined time to the ultra-filtration element, the pressure at the pure water outlet is less than institute
When stating setting value, determine that the ultrafiltration membrane filaments are damaged.
According to one embodiment of present invention, when the pressure at the pure water outlet reaches setting value, stop to institute
Ultra-filtration element conveying gas is stated, the flushing water out is closed and opens the original water inlet, and the ultra-filtration element is carried out
Pressure release.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ultrafiltration water purification system according to an embodiment of the present invention.
Fig. 2 is the flow chart of the rinse mode of ultrafiltration water purification system according to an embodiment of the present invention.
Appended drawing reference: ultrafiltration water purification system 1, ultra-filtration element 100, original water inlet 110, raw water on-off valve 111, pure water outlet
120, pure water on-off valve 121, flushing water out 130, flushing water on-off valve 131, raw water area 140, pure water area 150, ultrafiltration membrane filaments
160, air transporting arrangement 210, pressure-detecting device 220, relief valve 230, controller 300.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings ultrafiltration water purification system 1 according to an embodiment of the present invention is described.
As shown in Figure 1, ultrafiltration water purification system 1 according to an embodiment of the present invention includes ultra-filtration element 100 and gas conveying dress
Set 210.
There are ultrafiltration membrane filaments 160 in ultra-filtration element 100 and ultra-filtration element 100 is equipped with original water inlet 110, pure water outlet
120 are connected with raw water on-off valve 111 with flushing water out 130, original water inlet 110, and pure water outlet 120 is connected with pure water on-off valve
121, it rinses water out 130 and is connected with flushing water on-off valve 131.Air transporting arrangement 210 is used to convey gas to ultra-filtration element 100
Body, air transporting arrangement 210 are connected with pure water outlet 120.
Ultrafiltration water purification system 1 according to an embodiment of the present invention has the ultra-filtration element 100 of ultrafiltration membrane filaments 160 by being arranged,
When can make the water at water source by ultra-filtration element 100, water is filtered using ultrafiltration membrane filaments 160, to realize the purification of water.
Also, ultrafiltration water purification system 1 has original water inlet 110, pure water outlet 120 by setting and rinses water out 130
Ultra-filtration element 100, and on original water inlet 110 connect raw water on-off valve 111, in pure water outlet 120 connect pure water on-off
Valve 121 connects flushing water on-off valve 131 on rinsing water out 130.It in this way can be by changing pure water on-off valve 121, raw water
The on off operating mode of on-off valve 111 and flushing water on-off valve 131 is switched to ultrafiltration water purification system 1 pair from the state for preparing pure water
The state that ultra-filtration element 100 is washed away makes ultrafiltration water purification system 1 that can not only prepare pure water, and can be to ultra-filtration element
100 are washed away so that impurity is not easy to be accumulated on ultrafiltration membrane filaments 160.
In addition, can use air transporting arrangement 210 by setting air transporting arrangement 210 and conveyed to ultra-filtration element 100
Gas, ultrafiltration membrane filaments 160 can be expanded with the conveying of gas, reduced adhesive force of the impurity on 160 surface of ultrafiltration membrane filaments, made
The impurity being attached on 160 surface of ultrafiltration membrane filaments is more easier to fall off under the deformation effect of ultrafiltration membrane filaments 160.In this way to super
It filters filter core 100 when flushing, more easily can wash away by impurity and be discharged with water flow, to improve to ultra-filtration element
100 scouring effect, avoiding impurities accumulation excessively causes the flow of ultra-filtration element 100 to decline or occur damaged, extension ultrafiltration filter
The service life of core 100.
Therefore, ultrafiltration water purification system 1 according to an embodiment of the present invention has many advantages, such as that scouring effect is good, long service life.
Below with reference to the accompanying drawings the ultrafiltration water purification system 1 of specific embodiment according to the present invention is described.
In some embodiments of the invention, as shown in Figure 1, ultrafiltration water purification system 1 according to an embodiment of the present invention
Including ultra-filtration element 100 and air transporting arrangement 210.
Ultrafiltration water purification system 1 further includes the pressure-detecting device 220 for obtaining pressure at pure water outlet 120, pressure inspection
Survey device 220 is connected with whether damaged according to the pressure detecting ultrafiltration membrane filaments 160 at pure water outlet 120 with pure water outlet 120.This
Sample can to ultra-filtration element 100 inflate while, using pressure-detecting device 220 detect pure water outlet 120 at pressure with
Whether damaged detect ultrafiltration membrane filaments 160.Compared to ultrafiltration water purifier in the related technology, after breakage occurs for ultrafiltration membrane filaments 160, by
Can not observe directly whether ultrafiltration membrane filaments 160 are damaged in user, whether can not also be obtained by the clean water area different water prepared
To being fully cleaned up, it is difficult to learn that ultrafiltration membrane filaments 160 are damaged, and damaged ultrafiltration membrane filaments 160 can not carry out completely water
Purification, partial impurities can be discharged by the damaged part of ultrafiltration membrane filaments 160 from pure water outlet 120, and the use water quality of user is influenced,
Even endanger the health of user.Whether ultrafiltration water purification system 1 is then able to detect ultrafiltration membrane filaments 160 damaged, allows users to
Ultra-filtration element 100 is replaced in time when breakage occurs for ultrafiltration membrane filaments 160, to guarantee the water purification of ultrafiltration water purification system 1
Effect.
Specifically, as shown in Figure 1, ultrafiltration membrane filaments 160 limit raw water area 140 and pure water area in ultra-filtration element 100
150, rinse water out 130 and be connected to raw water area 140, the connection of original water inlet 110 water source and raw water area 140, pure water outlet 120 and
Pure water area 150 is connected to.It will be appreciated herein that " being connected to raw water area 140 " and " being connected to pure water area 150 " refers to direct connection
And filtered without ultrafiltration membrane filaments 160, it can be by pure water between pure water area 150 and raw water area 140, ultrafiltration membrane filaments shown in Fig. 1
160, only for the purposes of description, are not intended to limit the shape of ultrafiltration membrane filaments 160.
Since the side that air transporting arrangement 210 is directly connected into ultra-filtration element 100 with pure water outlet 120 when rinsing is defeated
It supplies gas body, can use pressure-detecting device 220 and obtain pressure at pure water outlet 120 and according to the pressure of pure water outlet 120
Whether damaged detect ultrafiltration membrane filaments 160.Due to the surface tension effects of water, if breakage does not occur for ultrafiltration membrane filaments 160, gas is not
The other side of ultrafiltration membrane filaments 160 can be entered by ultrafiltration membrane filaments 160 from the side of ultrafiltration membrane filaments 160.In this way to ultrafiltration membrane filaments
When 160 side conveys gas, it can determine whether that breakage does not occur for ultrafiltration membrane filaments 160 if pressure can reach predetermined value, if ultrafiltration
Breakage occurs for film wire 160, and gas can pass through ultrafiltration membrane filaments 160 by damaged part, cause pressure at pure water outlet 120 without
Method reaches predetermined value.It is possible thereby to convenient for ultrafiltration membrane filaments 160, whether breakage is detected, in order to allow users in time more
Damaged ultra-filtration element 100 is changed, to guarantee user's water quality.
Air transporting arrangement 210 conveys gas to pure water area 150 when in other words, due to rinsing, and can use pressure detecting
Device 220 obtains the pressure and whether damaged according to the pressure detecting ultrafiltration membrane filaments 160 of pure water outlet 120 at pure water outlet 120.
Due to the tension of water, when breakage does not occur for ultrafiltration membrane filaments 160, gas will not enter raw water area 140 from pure water area 150.Exist in this way
When conveying gas to pure water area 150, it can determine whether ultrafiltration membrane filaments 160 not if the pressure of pure water outlet 120 can reach predetermined value
Breakage occurs, if breakage occurs for ultrafiltration membrane filaments 160, gas can pass through damaged part and enter raw water area 140, lead to pure water outlet
Predetermined value is not achieved in pressure at 120.
Specifically, air transporting arrangement 210 can be air pump, and be connected to pure water area 150 and outside air, pressure detecting dress
Setting 220 can be pressure switch.It in this way can be in order to the acquisition of gas source.
It will be appreciated by those skilled in the art that ultra-filtration element 100 can also be connected to realize gas with compressed gas source
Body conveying, and can connection on-off valve control gas enter between ultra-filtration element 100 and compressed gas source.
Advantageously, as shown in Figure 1, ultrafiltration water purification system 1 further includes relief valve 230.Relief valve 230 is used for ultra-filtration element
100 carry out pressure release, and relief valve 230 is connected with pure water outlet 120.In this way can into ultra-filtration element 100 convey gas after, if
When the pressure that ultrafiltration membrane filaments 160 do not occur at damaged pure water outlet 120 reaches predetermined value, relief valve 230 can use to ultrafiltration
Filter core 100 carries out pressure release, restores the shape of ultrafiltration membrane filaments 160, can since the shape of ultrafiltration membrane filaments 160 changes again
With the adhesive force further convenient for reduction impurity on 160 surface of ultrafiltration membrane filaments, thus further convenient for raising ultra-filtration element 100
Scouring effect.
Specifically, conveying gas and the process of pressure release can be repeated as many times, further convenient for raising scouring effect.
Fig. 1 shows the ultrafiltration water purification system 1 of a specific example according to the present invention.As shown in Figure 1, ultrafiltration water purification system
1 further includes controller 300.Controller 300 respectively with raw water on-off valve 111, flushing water on-off valve 131, air transporting arrangement
210, pressure-detecting device 220 and relief valve 230 communicate.In this way raw water on-off valve can be controlled in order to utilization controller 300
111, the on off operating mode of flushing water on-off valve 131, air transporting arrangement 210, pressure-detecting device 220 and relief valve 230, so as to
Whether damaged detect ultrafiltration membrane filaments 160 in ultrafiltration water purification system 1, and can in order to ultrafiltration water purification system 1 in water state processed and
Switch between scouring state.
Specifically, controller 300 can recorde the time of conveying gas when conveying gas into ultra-filtration element 100, when
It is more than judgement when the pressure at certain time and pure water outlet 120 fails to reach predetermined value that gas is conveyed into ultra-filtration element 100
Breakage occurs for ultrafiltration membrane filaments 160.
Advantageously, ultrafiltration water purification system 1 further includes prompting device (not shown).The prompting device is for prompting ultrafiltration membrane
Whether silk 160 is damaged, and the prompting device and controller 300 communicate.It can use prompting device prompt user's ultrafiltration membrane in this way
Breakage occurs for silk 160, consequently facilitating user in time replaces ultra-filtration element 100.
Optionally, as shown in Figure 1, air transporting arrangement 210, pressure-detecting device 220 and relief valve 230 are connected in parallel.
It in this way can be in order to the connection of air transporting arrangement 210, pressure-detecting device 220 and relief valve 230.
Specifically, raw water on-off valve 111 and flushing water on-off valve 131 are electrical ball valve, and pure water on-off valve 121 is the fire hose
Head, relief valve 230 are solenoid valve.Pure water not only can be taken convenient for user, and can be in order to beating using controller 300
Raw water on-off valve 111, flushing water on-off valve 131 and relief valve 230 are closed on or off, in order to detect whether ultrafiltration membrane filaments 160 break
Damage, switches between flushing state and water state processed convenient for ultrafiltration water purification system 1.
More specifically, as shown in Figure 1, pure water on-off valve 121 and air transporting arrangement 210 are connected in parallel.It in this way can be with
Convenient for the connection of pure water on-off valve 121 and air transporting arrangement 210.
Specifically, as shown in Figure 1, pure water on-off valve 121 and air transporting arrangement 210 can with pure water outlet 120
Connection.The open amount on ultra-filtration element 100 can be reduced in this way, it not only can be in order to the manufacture of ultra-filtration element 100, Er Qieke
In order to guarantee the leakproofness of ultra-filtration element 100.
Below with reference to the course of work of the ultrafiltration water purification system 1 of Fig. 1 description accord to a specific embodiment of that present invention.
Ultrafiltration water purification system 1 normally water processed when, air transporting arrangement 210 is in halted state, and raw water on-off valve 111 is opened
It opens, flushing water on-off valve 131 is closed, and relief valve 230 is closed.User opens pure water on-off valve 121, and the water at water source just passes through original
Water inlet 110 enters the raw water area 140 of ultra-filtration element 100, enters pure water area 150 after filtering by ultrafiltration membrane filaments 160, finally leads to
Cross the discharge of pure water outlet 120.
When ultrafiltration water purification system 1 is rinsed ultrafiltration membrane filaments 160, pure water on-off valve 121 is closed, raw water on-off valve 111
It closes, flushing water on-off valve 131 is opened, and relief valve 230 is closed.Air transporting arrangement 210 works, by air pump into ultra-filtration element
In 100 pure water area 150, making ultrafiltration membrane filaments 160, deformation occurs, and the impurity being attached on ultrafiltration membrane filaments 160 is promoted to fall off.
Due to the surface tension effects of water, in the case that breakage does not occur for ultrafiltration membrane filaments 160, gas will not pass through ultrafiltration membrane
Silk 160 enters raw water area 140 from pure water area 150, and the air pressure in pure water area 150 is inputted with gas and increased, in ultra-filtration element 100
The water in raw water area 140 will be discharged from water out 130 is rinsed.Pressure-detecting device 220 detects the pressure in pure water area 150, such as
The air pressure in pure water area 150 rises to predetermined value (0.1MPa) in fruit ultra-filtration element 100, illustrates that breakage does not occur for ultrafiltration membrane filaments 160.
Air transporting arrangement 210 stops working after air pressure reaches predetermined value in pure water area 150, and subsequent flushing water on-off valve 131 is closed, former
Water on-off valve 111 and relief valve 230 will be opened.Due to the effect of pressure at water source, the water at water source will pass through ultrafiltration membrane filaments 160
Pure water outlet 120 is filtered through to be discharged from relief valve 230.After certain time (1 minute), the air of ultra-filtration element 100 is arranged completely
Out, controller 300 closes relief valve 230, and informs that user's filter core is intact, and detection is completed.
If ultrafiltration membrane filaments 160 have rupture or a fracture of wire, the conveyed gas of air transporting arrangement 210 will by rupture or
Pass through at fracture of wire, and is discharged by flushing water on-off valve 131 from water out 130 is rinsed, the pure water area 150 of ultra-filtration element 100
Air pressure will be unable to rise to predetermined value.After certain time (5 minutes), if the air pressure in ultra-filtration element 100 can not still reach
Feedback signal is prompted user's Filter Core Failure, Ying Genghuan filter core by setting value, controller 300.
When being rinsed, by carrying out inflation and pressure release repeatedly to pure water area 150, in air pressure (0.1MPa) and hydraulic pressure
Under effect, ultrafiltration membrane filaments 160 will be compressed or be expanded, and cohere the impurity on 160 surface of ultrafiltration membrane filaments with ultrafiltration membrane filaments 160
Compression-expansion and fall off, and with water flow from rinse water out 130 be discharged.
Other of ultrafiltration water purification system 1 according to an embodiment of the present invention are constituted and are operated for ordinary skill people
Member for be all it is known, be not detailed herein.
The control method of ultrafiltration water purification system according to an embodiment of the present invention is described below with reference to Fig. 2.It is real according to the present invention
The control method for applying the ultrafiltration water purification system of example includes:
Open original water inlet and pure water outlet and close rinse the water purification mode of water out and close original water inlet and
Pure water outlet and the rinse mode for opening flushing water out,
Wherein, when being in the rinse mode, gas is conveyed into the pure water outlet of ultra-filtration element.
The control method of ultrafiltration water purification system according to an embodiment of the present invention makes with can be improved flushing effect, extending
The advantages that with the service life.
Specifically, when being in the rinse mode, whether ultrafiltration membrane filaments are judged according to the pressure at the pure water outlet
Damage.Filter core can be detected while improving flushing effect in this way, it is whether damaged convenient for prompt user's filter core.
Optionally, when the pressure at the pure water outlet reaches setting value, determine that the ultrafiltration membrane filaments are intact；When to
After the ultra-filtration element conveying gas predetermined time, when the pressure at the pure water outlet is less than the setting value, institute is determined
State ultrafiltration membrane filaments breakage.In this way can be in order to judging whether ultrafiltration membrane filaments are intact.
Advantageously, when the pressure at the pure water outlet reaches setting value, stop conveying gas to the ultra-filtration element
Body closes the flushing water out and opens the original water inlet, and carries out pressure release to the ultra-filtration element.It can make institute in this way
The surface shape for stating ultrafiltration membrane filaments changes, and convenient for making impurity fall off from the ultrafiltration membrane filaments, improves to the ultrafiltration membrane
The flushing effect of silk.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (2)
1. a kind of control method of ultrafiltration water purification system, which is characterized in that the ultrafiltration water purification system includes:
Ultra-filtration element, has ultrafiltration membrane filaments in the ultra-filtration element and the ultra-filtration element is equipped with original water inlet, pure water outlet
With flushing water out, the original water inlet is connected with raw water on-off valve, and the pure water outlet is connected with pure water on-off valve, the punching
Washing water outlet is connected with flushing water on-off valve；
For the air transporting arrangement to ultra-filtration element conveying gas, the air transporting arrangement and the pure water outlet phase
Even, the control method includes:
It is opening the water purification mode of original water inlet and pure water outlet and closing flushing water out and is closing original water inlet and pure water
Outlet and the rinse mode for opening flushing water out,
Wherein, when being in the rinse mode, gas is conveyed into the pure water outlet of ultra-filtration element；
When being in the rinse mode, judge whether ultrafiltration membrane filaments damage according to the pressure at the pure water outlet；
When pressure at the pure water outlet reaches setting value, determine that the ultrafiltration membrane filaments are intact；
After conveying the gas predetermined time to the ultra-filtration element, the pressure at the pure water outlet is less than the setting value
When, determine that the ultrafiltration membrane filaments are damaged；
When pressure at the pure water outlet reaches setting value, stop conveying gas to the ultra-filtration element, described in closing
It rinses water out and opens the original water inlet, and pressure release is carried out to the ultra-filtration element.
2. a kind of ultrafiltration water purification system of the control method using ultrafiltration water purification system described in claim 1, which is characterized in that
Include:
Ultra-filtration element, has ultrafiltration membrane filaments in the ultra-filtration element and the ultra-filtration element is equipped with original water inlet, pure water outlet
With flushing water out, the original water inlet is connected with raw water on-off valve, and the pure water outlet is connected with pure water on-off valve, the punching
Washing water outlet is connected with flushing water on-off valve；
For the air transporting arrangement to ultra-filtration element conveying gas, the air transporting arrangement and the pure water outlet phase
Even；
For obtaining the pressure-detecting device of pressure at the pure water outlet, the pressure-detecting device and the pure water outlet phase
It is even whether damaged with the ultrafiltration membrane filaments according to the pressure detecting at the pure water outlet；
For carrying out the relief valve of pressure release to the ultra-filtration element, the relief valve is connected with the pure water outlet；
Controller, the controller respectively with the raw water on-off valve, the flushing water on-off valve, the air transporting arrangement,
The pressure-detecting device and relief valve communication,
Wherein, the air transporting arrangement, the pressure-detecting device and the relief valve are connected in parallel, the pure water on-off valve
Be connected in parallel with the air transporting arrangement, when being in the rinse mode, the controller control the pure water on-off valve,
The raw water on-off valve and the relief valve are closed, and are controlled the flushing water on-off valve and are opened, control the air transporting arrangement
Gas is conveyed into the pure water outlet of ultra-filtration element, when the pressure at the pure water outlet reaches the setting value, is determined
The ultrafiltration membrane filaments are intact, and the controller, which controls the air transporting arrangement, to be stopped conveying gas to the ultra-filtration element, close
It closes the flushing water on-off valve and opens the raw water on-off valve, and control the relief valve and the ultra-filtration element is let out
Pressure, after conveying the gas predetermined time to the ultra-filtration element, when the pressure at the pure water outlet is less than the setting value,
Determine that the ultrafiltration membrane filaments are damaged.
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| CN108386352A (en) * | 2018-05-03 | 2018-08-10 | 安徽永华电机科技有限公司 | A kind of water pump water outlet mouth of anti-antipriming pipe explosion |
| CN113522028B (en) * | 2021-07-16 | 2023-05-16 | 合肥云雀智能科技有限公司 | Water supply ultrafiltration equipment with remote fault judging device and fault judging method |
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| JPS60197206A (en) * | 1984-03-16 | 1985-10-05 | Daicel Chem Ind Ltd | Washing method of permeable membrane module |
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