CN110498480A - A kind of split type reverse osmosis filter element device and a kind of water purifier - Google Patents
A kind of split type reverse osmosis filter element device and a kind of water purifier Download PDFInfo
- Publication number
- CN110498480A CN110498480A CN201910895931.5A CN201910895931A CN110498480A CN 110498480 A CN110498480 A CN 110498480A CN 201910895931 A CN201910895931 A CN 201910895931A CN 110498480 A CN110498480 A CN 110498480A
- Authority
- CN
- China
- Prior art keywords
- water
- filter unit
- membrane filter
- concentrated water
- reverse osmosis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 489
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 126
- 239000012528 membrane Substances 0.000 claims abstract description 250
- 230000005764 inhibitory process Effects 0.000 claims description 32
- 238000001914 filtration Methods 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 7
- 238000011026 diafiltration Methods 0.000 claims description 4
- 239000012466 permeate Substances 0.000 claims 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000000746 purification Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
A kind of split type reverse osmosis filter element device, is provided with the first membrane filter unit and the second membrane filter unit, the first membrane filter unit and the second membrane filter unit are with piping connection.In operating condition, the concentrated water a part handled through the first membrane filter unit is further processed using the second membrane filter unit, and another part concentrated water is expelled directly out so as to improve pure water/concentrated water ratio, reduces the waste of water resource.The ratio of two-part concentrated water is adjusted by valve body and flowmeter.The split type reverse osmosis filter element device of the present invention is by two independent membrane filter units simultaneously, it is from the case where the fouling of rear end elder generation based on reverse osmosis filter core, so user only needs replacing the second membrane filter unit, without the first membrane filter unit for going replacement not fail, therefore replacement cost can be substantially reduced.A kind of water purifier under capable of having producing water water quality not influencing the membrane component service life, improves pure water/concentrated water ratio.
Description
Technical field
The present invention relates to reverse osmosis filter core field, in particular to a kind of split type reverse osmosis filter element device and a kind of water purification
Machine.
Background technique
Reverse osmosis filter core technology in the prior art, pure water/concentrated water proportion adjustment portion big absolutely are 1:1 or 2:1, these
Pure water/concentrated water ratio will cause the waste of water resource.But if directly improved in existing reverse osmosis technology merely pure water/
Concentrated water ratio can reduce the membrane component service life again while also reduce producing water water quality.
Therefore, in view of the shortcomings of the prior art, providing a kind of split type reverse osmosis filter element device and a kind of water purifier to solve
Prior art deficiency is very necessary.
Summary of the invention
The one of purpose of the present invention is to avoid the deficiencies in the prior art place and provide a kind of split type reverse osmosis diafiltration
Core apparatus.Under the split type reverse osmosis filter element device there can be producing water water quality not influencing the membrane component service life, pure water/concentrated water ratio is improved
Example.
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of split type reverse osmosis filter element device is provided, the first membrane filter unit, the second membrane filter unit are provided with and is gone back
It is provided with for adjusting concentrated water A1With concentrated water A2The valve body of ratio, the first membrane filter unit and the second membrane filter unit are connected with pipeline
It connects, valve body and the first membrane filter unit are with piping connection, and valve body is located at the concentrated water side of the first membrane filter unit and is located at second
The influent side of membrane filter unit.
In operating condition, raw water enter the first membrane filter unit, the first membrane filter unit by processing obtain pure water A,
Concentrated water A1With concentrated water A2, concentrated water A1Into the second membrane filter unit, the second membrane filter unit obtains pure water B and concentrated water by processing
B, pure water B and raw water are converged into the first membrane filter unit, and split type reverse osmosis filter element device, concentrated water B and concentrated water is discharged in pure water A
A2Converge the split type reverse osmosis filter element device of discharge.
Pure water/concentrated water ratio when by operating condition is defined as C, and there are C > 2:1.
Split type reverse osmosis filter element device of the invention, is additionally provided with the flowmeter for measuring pure water B flow, flowmeter
Respectively with the second membrane filter unit and the first membrane filter unit with piping connection, and it is located at the pure water side of the second membrane filter unit.
Pure water B flow is defined into β, the water yield of the first membrane filter unit is defined as D1。
As β > а D1When, concentrated water A2Equal to 0ml/min, concentrated water A1Greater than 0ml/min.
As β≤а D1When, concentrated water A2With concentrated water A1Both greater than 0ml/min.
а and D1It is all positive number.
Preferably, above-mentioned 5%≤а≤25%.
Preferably, above-mentioned а is 10%.
Split type reverse osmosis filter element device of the invention, is additionally provided with for measuring concentrated water A1With concentrated water A2Total flow
Flowmeter, flowmeter are located at the first film and filter respectively with the second membrane filter unit and the first membrane filter unit with piping connection
The concentrated water side of unit.
By concentrated water A1With concentrated water A2Total flow flow define δ, the water yield of the first membrane filter unit is defined as D1。
As δ > ε D1When, concentrated water A2Equal to 0ml/min, concentrated water A1Greater than 0ml/min.
As δ≤ε D1When, concentrated water A2With concentrated water A1Both greater than 0ml/min.
ε and D1It is all positive number.
Preferably, above-mentioned 10%≤ε≤50%.
Preferably, above-mentioned ε is 33%.
Split type reverse osmosis filter element device of the invention, is additionally provided with prompt control device, prompt control device respectively with
Flowmeter and valve body electrical connection.
Control device is prompted, for judging β and а D1Size；Open or close valve body；User is prompted to replace the second film mistake
Filter unit.
Split type reverse osmosis filter element device of the invention, is additionally provided with prompt control device, prompt control device respectively with
Flowmeter and valve body electrical connection.
Control device is prompted, for judging δ and ε D1Size；Open or close valve body；User is prompted to replace the second film mistake
Filter unit.
When rinsing operating condition, raw water enter the second membrane filter unit, the second membrane filter unit by processing obtain pure water A and
Concentrated water A, pure water A enter the first membrane filter unit, and the first membrane filter unit obtains concentrated water B by processing, and concentrated water B converges with raw water
Into the second membrane filter unit, split type reverse osmosis filter element device is discharged in concentrated water A.
The failure duration of first membrane filter unit is defined as E1, the failure duration of the second membrane filter unit is defined as E2,
There are E1> E2。
Preferably, above-mentioned C >=4:1.
The water yield of first membrane filter unit is defined as D1, the water yield of the second membrane filter unit is defined as D2, exist
D1≥D2。
Split type reverse osmosis filter element device of the invention, is additionally provided with pump element, and pump element filters with the first film single respectively
Member and the second film unit are with piping connection.
In operating condition, raw water enters the first membrane filter unit by pump element pressurization, and the first membrane filter unit passes through
Processing obtains pure water A, concentrated water A1With concentrated water A2, concentrated water A1Into the second membrane filter unit, the second membrane filter unit is by handling
To pure water B and concentrated water B, pure water B and raw water are converged into the first membrane filter unit after pump element is pressurized, and pure water A discharge is seperated
The reverse osmosis filter element device of formula, concentrated water B and concentrated water A2Converge the split type reverse osmosis filter element device of discharge.
When rinsing operating condition, raw water enters the second membrane filter unit by pump element pressurization, and the second membrane filter unit passes through
Processing obtains pure water A and concentrated water A, and pure water A enters the first membrane filter unit, and the first membrane filter unit obtains concentrated water B by processing,
Concentrated water B and raw water, which are converged, enters the second membrane filter unit through pump element, and split type reverse osmosis filter element device is discharged in concentrated water A.
Split type reverse osmosis filter element device of the invention, is additionally provided with scale inhibition unit, scale inhibition unit and pump element are with pipeline
Connection.
In operating condition, raw water obtains raw water A by scale inhibition cell processing, and raw water A enters the by pump element pressurization
One membrane filter unit, the first membrane filter unit obtain pure water A, concentrated water A by processing1With concentrated water A2, concentrated water A1Into the second film mistake
Unit is filtered, the second membrane filter unit obtains pure water B and concentrated water B by processing, and pure water B and raw water A converge after pump element is pressurized
Into the first membrane filter unit, split type reverse osmosis filter element device, concentrated water B and concentrated water A is discharged in pure water A2It is split type to converge discharge
Reverse osmosis filter element device.
When rinsing operating condition, raw water obtains raw water A by scale inhibition cell processing, and raw water A enters the by pump element pressurization
Two membrane filter units, the second membrane filter unit obtain pure water A and concentrated water A by processing, and pure water A enters the first membrane filter unit,
First membrane filter unit obtains concentrated water B, concentrated water B and raw water A by processing and converges through pump element into the second membrane filter unit, dense
Split type reverse osmosis filter element device is discharged in water A.
Split type reverse osmosis filter element device of the invention, is additionally provided with scale inhibition unit, scale inhibition unit with respectively with pump element,
First membrane filter unit and the second membrane filter unit are with piping connection.
In operating condition, raw water obtains raw water A by scale inhibition cell processing, and raw water A enters the by pump element pressurization
One membrane filter unit, the first membrane filter unit obtain pure water A, concentrated water A by processing1With concentrated water A2, concentrated water A1Into the second film mistake
Unit is filtered, the second membrane filter unit obtains pure water B and concentrated water B by processing；Pure water B and raw water are converged through scale inhibition cell processing
Afterwards, then through pump element it is pressurized, finally enters the first membrane filter unit；Split type reverse osmosis filter element device, concentrated water B is discharged in pure water A
With concentrated water A2Converge the split type reverse osmosis filter element device of discharge.
When rinsing operating condition, raw water obtains raw water A by scale inhibition cell processing, and raw water A enters the by pump element pressurization
Two membrane filter units, the second membrane filter unit obtain pure water A and concentrated water A by processing, and pure water A enters the first membrane filter unit,
First membrane filter unit obtains concentrated water B by processing；Concentrated water B and raw water are converged after scale inhibition cell processing, then increase through pump element
Pressure, the second last membrane filter unit；Split type reverse osmosis filter element device is discharged in concentrated water A.
The split type reverse osmosis filter element device of one kind of the invention is additionally provided with the first current-limiting apparatus, the first current-limiting apparatus dress
Water outlet side assigned in valve body.
Preferably, above-mentioned first current-limiting apparatus is ratio adjusting valve, flow control valve or waste water hole.
The split type reverse osmosis filter element device of one kind of the invention, is additionally provided with the second current-limiting apparatus, the second current-limiting apparatus with
Second membrane filter unit is with piping connection and positioned at the concentrated water side of the second membrane filter unit.
Preferably, above-mentioned second current-limiting apparatus is ratio adjusting valve, flow control valve or waste water hole.
The split type reverse osmosis filter element device of one kind of the invention, is provided with the first membrane filter unit and the filtering of the second film is single
Member, the first membrane filter unit and the second membrane filter unit are with piping connection.In operating condition, handled through the first membrane filter unit
Obtained concentrated water a part is further processed using the second membrane filter unit, and another part concentrated water is expelled directly out to mention
High purity water/concentrated water ratio, reduces the waste of water resource.The ratio of two-part concentrated water is adjusted by valve body and flowmeter.
The split type reverse osmosis filter element device of the present invention is from rear end elder generation based on reverse osmosis filter core by two independent membrane filter units simultaneously
The case where fouling, so user only needs replacing the second membrane filter unit, the first film filtering without going replacement not fail is single
Member, therefore replacement cost can be substantially reduced.
Another object of the present invention is to avoid the deficiencies in the prior art place and provide a kind of water purifier.The water purification function
It is not influencing to improve pure water/concentrated water ratio under there is producing water water quality in the membrane component service life.
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of water purifier is provided, split type reverse osmosis filter element device as described above and water purifier main body are provided with, it is seperated
The reverse osmosis filter element device of formula is assemblied in water purifier main body.
In operating condition, raw water enter the first membrane filter unit, the first membrane filter unit by processing obtain pure water A,
Concentrated water A1With concentrated water A2, concentrated water A1Into the second membrane filter unit, the second membrane filter unit obtains pure water B and concentrated water by processing
B, pure water B and raw water are converged into the first membrane filter unit, and water purifier, concentrated water B and concentrated water A is discharged in pure water A2Converge discharge water purification
Machine.
A kind of water purifier of the invention is provided with split type reverse osmosis filter element device as described above and water purifier main body,
Split type reverse osmosis filter element device is assemblied in water purifier main body.The water purification function has producing water water quality not influencing the membrane component service life
Under, improve pure water/concentrated water ratio.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention
System.
Fig. 1 is the split type reverse osmosis filter element device water (flow) direction schematic diagram in operating condition of one kind of embodiment 1.
Fig. 2 is the split type reverse osmosis filter element device water (flow) direction schematic diagram when rinsing operating condition of one kind of embodiment 1.
Fig. 3 is the split type reverse osmosis filter element device water (flow) direction schematic diagram in operating condition of one kind of embodiment 2.
Fig. 4 is the split type reverse osmosis filter element device water (flow) direction schematic diagram when rinsing operating condition of one kind of embodiment 2.
Fig. 5 is the split type reverse osmosis filter element device water (flow) direction schematic diagram in operating condition of one kind of embodiment 3.
Fig. 6 is the split type reverse osmosis filter element device water (flow) direction schematic diagram when rinsing operating condition of one kind of embodiment 3.
Fig. 7 is the split type reverse osmosis filter element device water (flow) direction schematic diagram in operating condition of one kind of embodiment 4.
Fig. 8 is the split type reverse osmosis filter element device water (flow) direction schematic diagram when rinsing operating condition of one kind of embodiment 4.
Fig. 9 is the split type reverse osmosis filter element device water (flow) direction schematic diagram in operating condition of one kind of embodiment 6.
Figure 10 is the split type reverse osmosis filter element device water (flow) direction schematic diagram in operating condition of one kind of embodiment 7.
Fig. 1 includes into Figure 10:
First membrane filter unit 1,
Second membrane filter unit 2,
Scale inhibition unit 3,
Pump element 4,
Flowmeter 5,
Valve body 6,
First current-limiting apparatus 7,
Second current-limiting apparatus 8.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
The split type reverse osmosis filter element device of one kind is provided with the first membrane filter unit 1, the second film mistake as illustrated in fig. 1 and 2
It filters unit 2 and is additionally provided with for adjusting concentrated water A1With concentrated water A2The valve body 6 of ratio, the first membrane filter unit 1 and the filtering of the second film
Unit 2 is with piping connection, valve body and the first membrane filter unit 1 with piping connection, and valve body 6 is located at the first membrane filter unit 1
Concentrated water side and the influent side for being located at the second membrane filter unit 2.
In operating condition, raw water enters the first membrane filter unit 1, and the first membrane filter unit 1 obtains pure water by processing
A, concentrated water A1With concentrated water A2, concentrated water A1Into the second membrane filter unit 2, the second membrane filter unit 2 by processing obtain pure water B and
Concentrated water B, pure water B and raw water are converged into the first membrane filter unit 1, and split type reverse osmosis filter element device, concentrated water B is discharged in pure water A
With concentrated water A2Converge the split type reverse osmosis filter element device of discharge.
Pure water/concentrated water ratio when split type reverse osmosis filter element device of the invention is by operating condition is defined as C, and there are C
> 2:1.Further preferred C >=4:1, the C of the present embodiment are specially 4:1.
Split type reverse osmosis filter element device of the invention, is additionally provided with the flowmeter 5 for measuring pure water B flow, flow
Meter 5 is located at the pure of the second membrane filter unit 2 respectively with the second membrane filter unit 2 and the first membrane filter unit 1 with piping connection
Water side.
Pure water B flow is defined into β, the water yield of the first membrane filter unit 1 is defined as D1。
As β > а D1When, concentrated water A2Equal to 0ml/min, concentrated water A1Greater than 0ml/min.As β≤а D1When, concentrated water A2And concentrated water
A1Both greater than 0ml/min.а and D1It is all positive number.
It should be noted that of the invention make concentrated water A by opening valve body 62Greater than 0ml/min, made by valve body 6 dense
Water A2Equal to 0ml/min.
Because working as β≤а D1When, illustrate the water-yielding capacity decline of the second membrane filter unit 2, therefore reduce concentrated water A1Flow,
To play the role of protecting the first membrane filter unit 1.
Currently preferred 5%≤а≤25%, the а of the present embodiment are specially 10%.
When rinsing operating condition, raw water enters the second membrane filter unit 2, and the second membrane filter unit 2 obtains pure water A by processing
Enter the first membrane filter unit 1 with concentrated water A, pure water A, the first membrane filter unit 1 obtains concentrated water B, concentrated water B and raw water by processing
Converge and enter the second membrane filter unit 2, split type reverse osmosis filter element device is discharged in concentrated water A.
The failure duration of first membrane filter unit 1 is defined as E by the present invention1, by the failure duration of the second membrane filter unit 2
It is defined as E2, there are E1> E2.Because the second membrane filter unit 2 of the invention is located at the rear end of the first membrane filter unit 1.Second
Membrane filter unit 2 is better than the first fouling of the first membrane filter unit 1, so the failure duration of the second membrane filter unit 2 is less than the first film
The failure duration of filter element 1；To which the replacement frequency of the second membrane filter unit 2 is greater than the replacement frequency of the first membrane filter unit 1
Rate.
Many situations of membrane reverse osmosis filter core failure are not global failure, and are proximate to the effective area of concentrated water outlet section
Appearance blocks and fouling, and the water-yielding capacity of membrane component is caused to decline.The split type reverse osmosis filter element device of the present invention is by two independences
Component constitute, be from the case where the fouling of rear end elder generation, so only to need replacing the filtering of the second film single by user based on reverse osmosis filter core
Member 2 without the first membrane filter unit 1 for going replacement not fail, therefore can substantially reduce replacement cost.
The water yield of first membrane filter unit 1 is defined as D by the present invention1, the water yield of the second membrane filter unit 2 is defined
For D2, there are D1≥D2.D of the invention2It can be D10.5 times, 0.4 times, 0.3 times, 0.25 times, 0.2 times etc., as long as being less than
Any multiple equal to 1.0 times is ok, specific multiple according to the actual situation depending on.The present embodiment is specially D2For 0.2D1。
Work as 0.2D according to many experiments confirmation1When, the cleaning of the first membrane filter unit 1 can be effectively ensured, while can be reduced again
The replacement cost of two membrane filter units 2.
The split type reverse osmosis filter element device, is provided with the first membrane filter unit 1 and the second membrane filter unit 2, the first film
Filter element 1 and the second membrane filter unit 2 are with piping connection.In operating condition, obtained through the processing of the first membrane filter unit 1
Concentrated water a part is further processed using the second membrane filter unit 2, and another part concentrated water is expelled directly out pure so as to improve
Water/concentrated water ratio, reduces the waste of water resource.The ratio of two-part concentrated water is adjusted by valve body 6 and flowmeter 5.Together
When the split type reverse osmosis filter element device of the present invention by two independent membrane filter units, based on reverse osmosis filter core first tied from rear end
The situation of dirt, so user only needs replacing the second membrane filter unit 2, without the first membrane filter unit for going replacement not fail
1, therefore replacement cost can be substantially reduced.
Embodiment 2.
A kind of split type reverse osmosis filter element device, as shown in Figures 3 and 4, other features are same as Example 1, difference
Be: split type reverse osmosis filter element device of the invention is additionally provided with pump element 4, pump element 4 respectively with the first membrane filter unit
1 and second film unit with piping connection；
In operating condition, raw water enters the first membrane filter unit 1 by the pressurization of pump element 4, and the first membrane filter unit 1 is logical
It crosses processing and obtains pure water A, concentrated water A1With concentrated water A2, concentrated water A1Into the second membrane filter unit 2, the second membrane filter unit 2 passes through place
Reason obtains pure water B and concentrated water B, and pure water B and raw water are converged and enter the first membrane filter unit 1 after the pressurization of pump element 4, pure water A row
Split type reverse osmosis filter element device out, concentrated water B and concentrated water A2Converge the split type reverse osmosis filter element device of discharge.
When rinsing operating condition, raw water enters the second membrane filter unit 2 by the pressurization of pump element 4, and the second membrane filter unit 2 is logical
It crosses processing and obtains pure water A and concentrated water A, pure water A enters the first membrane filter unit 1, and the first membrane filter unit 1 is obtained dense by processing
Water B, concentrated water B and raw water, which are converged, enters the second membrane filter unit 2, the split type reverse osmosis filter core dress of concentrated water A discharge through pump element 4
It sets.
Compared with Example 1, the present embodiment, which increases pump element 4, can increase pressure, improve water speed processed.
Embodiment 3.
A kind of split type reverse osmosis filter element device, as it can be seen in figures 5 and 6, other features are same as Example 2, difference
Be: split type reverse osmosis filter element device of the invention is additionally provided with scale inhibition unit 3, and scale inhibition unit 3 and pump element 4 are with pipeline
Connection.
In operating condition, raw water obtains raw water A by the processing of scale inhibition unit 3, and raw water A enters by the pressurization of pump element 4
First membrane filter unit 1, the first membrane filter unit 1 obtain pure water A, concentrated water A by processing1With concentrated water A2, concentrated water A1Into second
Membrane filter unit 2, the second membrane filter unit 2 obtain pure water B and concentrated water B by processing, and pure water B and raw water A converge through pump element 4
Enter the first membrane filter unit 1 after pressurization, split type reverse osmosis filter element device, concentrated water B and concentrated water A is discharged in pure water A2Converge discharge
Split type reverse osmosis filter element device.
When rinsing operating condition, raw water obtains raw water A by the processing of scale inhibition unit 3, and raw water A enters by the pressurization of pump element 4
Second membrane filter unit 2, the second membrane filter unit 2 obtain pure water A and concentrated water A by processing, and it is single that pure water A enters the filtering of the first film
Member 1, the first membrane filter unit 1 by processing obtain concentrated water B, concentrated water B and raw water A converge through pump element 4 enter the second film filtering
Split type reverse osmosis filter element device is discharged in unit 2, concentrated water A.
The effect of scale inhibition unit 3 of the invention is to guarantee the water quality of raw water, is maintained at split type reverse osmosis filter element device
It can also be stable under high purity water/concentrated water ratio.
Embodiment 4.
A kind of split type reverse osmosis filter element device, as shown in FIG. 7 and 8, other features are same as Example 2, difference
Be: split type reverse osmosis filter element device of the invention is additionally provided with scale inhibition unit 3, scale inhibition unit 3 with respectively with pump element 4,
First membrane filter unit 1 and the second membrane filter unit 2 are with piping connection.
In operating condition, raw water obtains raw water A by the processing of scale inhibition unit 3, and raw water A enters by the pressurization of pump element 4
First membrane filter unit 1, the first membrane filter unit 1 obtain pure water A, concentrated water A by processing1With concentrated water A2, concentrated water A1Into second
Membrane filter unit 2, the second membrane filter unit 2 obtain pure water B and concentrated water B by processing；Pure water B and raw water are converged through scale inhibition unit
It after 3 processing, then is pressurized through pump element 4, finally enters the first membrane filter unit 1；The split type reverse osmosis filter core dress of pure water A discharge
It sets, concentrated water B and concentrated water A2Converge the split type reverse osmosis filter element device of discharge.
When rinsing operating condition, raw water obtains raw water A by the processing of scale inhibition unit 3, and raw water A enters by the pressurization of pump element 4
Second membrane filter unit 2, the second membrane filter unit 2 obtain pure water A and concentrated water A by processing, and it is single that pure water A enters the filtering of the first film
Member 1, the first membrane filter unit 1 obtain concentrated water B by processing；Concentrated water B and raw water are converged after the processing of scale inhibition unit 3, then through pumping
Element 4 is pressurized, the second last membrane filter unit 2；Split type reverse osmosis filter element device is discharged in concentrated water A.
Embodiment 5.
A kind of split type reverse osmosis filter element device, other features are same as Example 1, the difference is that: it is additionally provided with
Control device is prompted, control device is prompted to be electrically connected respectively with flowmeter 5 and valve body 6.
Control device is prompted, for judging β and а D1Size；Open or close valve body 6；User is prompted to replace the second film
Filter element 2.
Prompt the work of control device as follows:
Prompt control device judges β and а D1Size, as β > а D1When, it prompts control device application valve body 6 to close, makes dense
Water A2Equal to 0ml/min, concentrated water A1Greater than 0ml/min；As β≤а D1When, it prompts control device application valve body 6 to open, makes concentrated water
A2With concentrated water A1Both greater than 0ml/min, while user being prompted to replace the second membrane filter unit 2.
Compared with Example 1, the present embodiment can open or close valve body 6 in time, protect the first membrane filter unit 1, simultaneously
User can also be prompted to replace the second membrane filter unit 2, to protect the operation stability of split type reverse osmosis filter element device.
Embodiment 6.
A kind of split type reverse osmosis filter element device, as shown in figure 9, other features are same as Example 1, difference exists
In: it is additionally provided with for measuring concentrated water A1With concentrated water A2Total flow flowmeter, flowmeter respectively with the second membrane filter unit and
First membrane filter unit is located at the concentrated water side of the first membrane filter unit with piping connection.
By concentrated water A1With concentrated water A2Total flow flow define δ, the water yield of the first membrane filter unit is defined as D1。
As δ > ε D1When, concentrated water A2Equal to 0ml/min, concentrated water A1Greater than 0ml/min.As δ≤ε D1When, concentrated water A2And concentrated water
A1Both greater than 0ml/min.ε and D1It is all positive number.
It should be noted that of the invention make concentrated water A by opening valve body 62Greater than 0ml/min, made by valve body 6 dense
Water A2Equal to 0ml/min.
Because working as δ≤ε D1When, illustrate the water-yielding capacity decline of the second membrane filter unit 2, therefore reduce concentrated water A1Flow,
To play the role of protecting the first membrane filter unit 1.
Currently preferred 10%≤ε≤50%, the ε of the present embodiment are specially 33%.
Compared with Example 1, embodiment adds the assembly flexibilities of flowmeter.Embodiment 7.
A kind of split type reverse osmosis filter element device, other features are same as Example 6, the difference is that: it is additionally provided with
Control device is prompted, control device is prompted to be electrically connected respectively with flowmeter and valve body.
Control device is prompted, for judging δ and ε D1Size；Open or close valve body；User is prompted to replace the second film mistake
Filter unit.
Prompt the work of control device as follows:
Prompt control device judges δ and ε D11Size, as δ > ε D1When, it prompts control device application valve body 6 to close, makes
Concentrated water A2Equal to 0ml/min, concentrated water A1Greater than 0ml/min；As δ≤ε D1When, it prompts control device application valve body 6 to open, makes dense
Water A2With concentrated water A1Both greater than 0ml/min, while user being prompted to replace the second membrane filter unit 2.
Embodiment 1 is compared, and the present embodiment can open or close valve body 6 in time, protects the first membrane filter unit 1, simultaneously also
User can be prompted to replace the second membrane filter unit 2, to protect the operation stability of split type reverse osmosis filter element device.
Embodiment 8.
A kind of split type reverse osmosis filter element device, as shown in Figure 10, the split type reverse osmosis filter element device of the present embodiment, also
It is provided with the first current-limiting apparatus 7, the first current-limiting apparatus 7 is assemblied in the water outlet side of valve body 6.
The split type reverse osmosis filter element device of the present embodiment simultaneously, is additionally provided with the second current-limiting apparatus 8, the second current-limiting apparatus
8 and second membrane filter unit 2 with piping connection and be located at the second membrane filter unit 2 concentrated water side.
First current-limiting apparatus 7 of the invention can be ratio adjusting valve, flow control valve or waste water hole.The present embodiment
First current-limiting apparatus 7 is specially waste water hole.Second current-limiting apparatus 8 of the invention can be ratio adjusting valve, flow control valve
Or waste water hole.Second current-limiting apparatus 8 of the present embodiment is specially ratio adjusting valve.
The effect of second current-limiting apparatus 8 of the invention is to adjust pure water/concentrated water ratio.The effect of first current-limiting apparatus 7 is
To progress concentrated water A2Carry out current limliting.
Embodiment 9.
A kind of water purifier has split type reverse osmosis filter element device and water purifier main body such as embodiment 1, split type reverse osmosis
Diafiltration core apparatus is assemblied in water purifier main body.
It should be noted that water purifier main structure is known to the skilled person common sense, it is not the main of the application
Inventive point.Water purifier main structure in the prior art is suitable for as the water purifier main body in the application, and details are not described herein.
In operating condition, raw water enters the first membrane filter unit 1, and the first membrane filter unit 1 obtains pure water by processing
A, concentrated water A1With concentrated water A2, concentrated water A1Into the second membrane filter unit 2, the second membrane filter unit 2 by processing obtain pure water B and
Concentrated water B, pure water B and raw water are converged into the first membrane filter unit 1, and water purifier, concentrated water B and concentrated water A is discharged in pure water A2Converge row
Water purifier out.
When rinsing operating condition, raw water enters the second membrane filter unit 2, and the second membrane filter unit 2 obtains pure water A by processing
Enter the first membrane filter unit 1 with concentrated water A, pure water A, the first membrane filter unit 1 obtains concentrated water B, concentrated water B and raw water by processing
Converge and enter the second membrane filter unit 2, water purifier is discharged in concentrated water A.
The water purifier is provided with split type reverse osmosis filter element device as described above and water purifier main body, split type reverse osmosis
Diafiltration core apparatus is assemblied in water purifier main body.The water purification function is not influencing under there is producing water water quality in the membrane component service life, improve pure water/
Concentrated water ratio.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can be with modifying or equivalently replacing the technical solution of the present invention, without departing from the essence and model of technical solution of the present invention
It encloses.
Claims (23)
1. a kind of split type reverse osmosis filter element device, it is characterised in that: it is provided with the first membrane filter unit, the second membrane filter unit
Be additionally provided with for adjusting concentrated water A1With concentrated water A2The valve body of ratio, the first membrane filter unit and the second membrane filter unit are with pipe
Road connection, valve body and the first membrane filter unit are with piping connection, and valve body is located at the concentrated water side of the first membrane filter unit and is located at
The influent side of second membrane filter unit；
In operating condition, raw water enters the first membrane filter unit, and the first membrane filter unit obtains pure water A, concentrated water A by processing1
With concentrated water A2, concentrated water A1Into the second membrane filter unit, the second membrane filter unit obtains pure water B and concentrated water B, pure water B by processing
Converge with raw water into the first membrane filter unit, split type reverse osmosis filter element device, concentrated water B and concentrated water A is discharged in pure water A2Converge
Split type reverse osmosis filter element device is discharged；
Pure water/concentrated water ratio when by operating condition is defined as C, and there are C > 2:1.
2. split type reverse osmosis filter element device according to claim 1, it is characterised in that: it is additionally provided with for measuring pure water
The flowmeter of B flow, flowmeter are located at second respectively with the second membrane filter unit and the first membrane filter unit with piping connection
The pure water side of membrane filter unit.
3. split type reverse osmosis filter element device according to claim 2, it is characterised in that: pure water B flow is defined into β, it will
The water yield of first membrane filter unit is defined as D1；
As β > а D1When, concentrated water A2Equal to 0ml/min, concentrated water A1Greater than 0ml/min；
As β≤а D1When, concentrated water A2With concentrated water A1Both greater than 0ml/min；
а and D1It is all positive number.
4. split type reverse osmosis filter element device according to claim 3, it is characterised in that: 5%≤а≤25%.
5. split type reverse osmosis filter element device according to claim 4, it is characterised in that: the а is 10%.
6. split type reverse osmosis filter element device according to claim 1, it is characterised in that: it is additionally provided with for measuring concentrated water
A1With concentrated water A2Total flow flowmeter, flowmeter connects respectively with the second membrane filter unit and the first membrane filter unit with pipeline
It connects, and is located at the concentrated water side of the first membrane filter unit.
7. split type reverse osmosis filter element device according to claim 2, it is characterised in that: by concentrated water A1With concentrated water A2It is total
Flow flow defines δ, and the water yield of the first membrane filter unit is defined as D1；
As δ > ε D1When, concentrated water A2Equal to 0ml/min, concentrated water A1Greater than 0ml/min；
As δ≤ε D1When, concentrated water A2With concentrated water A1Both greater than 0ml/min；
ε and D1It is all positive number.
8. split type reverse osmosis filter element device according to claim 7, it is characterised in that: 10%≤ε≤50%.
9. split type reverse osmosis filter element device according to claim 8, it is characterised in that: the ε is 33%.
10. split type reverse osmosis filter element device according to claim 5, it is characterised in that: it is additionally provided with prompt control dress
It sets, control device is prompted to be electrically connected respectively with flowmeter and valve body；
Control device is prompted, for judging β and а D1Size；Open or close valve body；User is prompted to replace the filtering of the second film single
Member.
11. split type reverse osmosis filter element device according to claim 7, it is characterised in that: it is additionally provided with prompt control dress
It sets, control device is prompted to be electrically connected respectively with flowmeter and valve body；
Control device is prompted, for judging δ and ε D1Size；Open or close valve body；User is prompted to replace the filtering of the second film single
Member.
12. split type reverse osmosis filter element device according to claim 1, it is characterised in that: when rinsing operating condition, raw water into
Enter the second membrane filter unit, the second membrane filter unit obtains pure water A and concentrated water A by processing, and it is single that pure water A enters the filtering of the first film
Member, the first membrane filter unit obtain concentrated water B by processing, and concentrated water B and raw water are converged into the second membrane filter unit, concentrated water A row
Split type reverse osmosis filter element device out.
13. split type reverse osmosis filter element device according to claim 1, it is characterised in that: by the first membrane filter unit
Failure duration is defined as E1, the failure duration of the second membrane filter unit is defined as E2, there are E1> E2。
14. split type reverse osmosis filter element device according to claim 1, it is characterised in that: the C >=4:1.
15. split type reverse osmosis filter element device according to claim 1, it is characterised in that: by the first membrane filter unit
Water yield is defined as D1, the water yield of the second membrane filter unit is defined as D2, there are D1≥D2。
16. split type reverse osmosis filter element device according to claim 12, it is characterised in that: be additionally provided with pump element, pump
Element is respectively with the first membrane filter unit and the second film unit with piping connection；
In operating condition, raw water enters the first membrane filter unit by pump element pressurization, and the first membrane filter unit passes through processing
Obtain pure water A, concentrated water A1With concentrated water A2, concentrated water A1Into the second membrane filter unit, the second membrane filter unit is obtained pure by processing
Water B and concentrated water B, pure water B and raw water are converged and enter the first membrane filter unit after pump element is pressurized, and pure water A discharge is split type anti-
Permeate filter element device, concentrated water B and concentrated water A2Converge the split type reverse osmosis filter element device of discharge；
When rinsing operating condition, raw water enters the second membrane filter unit by pump element pressurization, and the second membrane filter unit passes through processing
Pure water A and concentrated water A are obtained, pure water A enters the first membrane filter unit, and the first membrane filter unit obtains concentrated water B, concentrated water by processing
B and raw water, which are converged, enters the second membrane filter unit through pump element, and split type reverse osmosis filter element device is discharged in concentrated water A.
17. split type reverse osmosis filter element device according to claim 16, it is characterised in that: it is additionally provided with scale inhibition unit,
Scale inhibition unit and pump element are with piping connection；
In operating condition, raw water obtains raw water A by scale inhibition cell processing, and raw water A enters the first film by pump element pressurization
Filter element, the first membrane filter unit obtain pure water A, concentrated water A by processing1With concentrated water A2, concentrated water A1It is filtered into the second film single
Member, the second membrane filter unit obtain pure water B and concentrated water B by processing, and pure water B converges with raw water A and enters after pump element is pressurized
Split type reverse osmosis filter element device, concentrated water B and concentrated water A is discharged in first membrane filter unit, pure water A2Converge the split type reverse osmosis of discharge
Diafiltration core apparatus；
When rinsing operating condition, raw water obtains raw water A by scale inhibition cell processing, and raw water A enters the second film by pump element pressurization
Filter element, the second membrane filter unit obtain pure water A and concentrated water A by processing, and pure water A enters the first membrane filter unit, and first
Membrane filter unit obtains concentrated water B, concentrated water B and raw water A by processing and converges through pump element into the second membrane filter unit, concentrated water A
Split type reverse osmosis filter element device is discharged.
18. split type reverse osmosis filter element device according to claim 16, it is characterised in that: it is additionally provided with scale inhibition unit,
Scale inhibition unit with respectively with pump element, the first membrane filter unit and the second membrane filter unit with piping connection；
In operating condition, raw water obtains raw water A by scale inhibition cell processing, and raw water A enters the first film by pump element pressurization
Filter element, the first membrane filter unit obtain pure water A, concentrated water A by processing1With concentrated water A2, concentrated water A1It is filtered into the second film single
Member, the second membrane filter unit obtain pure water B and concentrated water B by processing；Pure water B and raw water are converged after scale inhibition cell processing, then
It is pressurized through pump element, finally enters the first membrane filter unit；Split type reverse osmosis filter element device, concentrated water B and concentrated water is discharged in pure water A
A2Converge the split type reverse osmosis filter element device of discharge；
When rinsing operating condition, raw water obtains raw water A by scale inhibition cell processing, and raw water A enters the second film by pump element pressurization
Filter element, the second membrane filter unit obtain pure water A and concentrated water A by processing, and pure water A enters the first membrane filter unit, and first
Membrane filter unit obtains concentrated water B by processing；Concentrated water B and raw water are converged after scale inhibition cell processing, then are pressurized through pump element, most
Second membrane filter unit afterwards；Split type reverse osmosis filter element device is discharged in concentrated water A.
19. split type reverse osmosis filter element device according to claim 1, it is characterised in that: it is additionally provided with the first current limliting dress
It sets, the first current-limiting apparatus is assemblied in the water outlet side of valve body.
20. split type reverse osmosis filter element device according to claim 19, it is characterised in that: first current-limiting apparatus is
Ratio adjusting valve, flow control valve or waste water hole.
21. split type reverse osmosis filter element device according to claim 1, it is characterised in that: it is additionally provided with the second current limliting dress
It sets, the second current-limiting apparatus and the second membrane filter unit are with piping connection and positioned at the concentrated water side of the second membrane filter unit.
22. split type reverse osmosis filter element device according to claim 20, it is characterised in that: second current-limiting apparatus is
Ratio adjusting valve, flow control valve or waste water hole.
23. a kind of water purifier, it is characterised in that: setting is split type reverse osmosis just like described in claim 1 to 22 any one
Filter element device and water purifier main body, split type reverse osmosis filter element device are assemblied in water purifier main body；
In operating condition, raw water enters the first membrane filter unit, and the first membrane filter unit obtains pure water A, concentrated water A by processing1
With concentrated water A2, concentrated water A1Into the second membrane filter unit, the second membrane filter unit obtains pure water B and concentrated water B, pure water B by processing
Converge with raw water into the first membrane filter unit, water purifier, concentrated water B and concentrated water A is discharged in pure water A2Converge discharge water purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895931.5A CN110498480B (en) | 2019-09-21 | 2019-09-21 | Split type reverse osmosis filter element device and purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895931.5A CN110498480B (en) | 2019-09-21 | 2019-09-21 | Split type reverse osmosis filter element device and purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110498480A true CN110498480A (en) | 2019-11-26 |
| CN110498480B CN110498480B (en) | 2024-03-15 |
Family
ID=68592389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910895931.5A Active CN110498480B (en) | 2019-09-21 | 2019-09-21 | Split type reverse osmosis filter element device and purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110498480B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000093751A (en) * | 1998-09-22 | 2000-04-04 | Toray Ind Inc | Reverse osmosis separation device and reverse osmosis separation method |
| JP2002035749A (en) * | 2000-07-26 | 2002-02-05 | Nippon Rensui Co Ltd | Apparatus and method for making pure water |
| JP2006035035A (en) * | 2004-07-23 | 2006-02-09 | Fuji Electric Holdings Co Ltd | Water-treating method and method of operating apparatus for treating water by membrane filtration |
| CN201240893Y (en) * | 2008-05-22 | 2009-05-20 | 浙江玉泉环境工程有限公司 | Water-saving reverse osmosis unit |
| JP2009119345A (en) * | 2007-11-13 | 2009-06-04 | Kobelco Eco-Solutions Co Ltd | Water treatment system and its operating method |
| JP2009172462A (en) * | 2008-01-22 | 2009-08-06 | Miura Co Ltd | Water quality modifying apparatus, water treating system, and recycling system of drainage |
| JP2010023006A (en) * | 2008-07-24 | 2010-02-04 | Nomura Micro Sci Co Ltd | Pure water production method |
| CN201596467U (en) * | 2010-02-01 | 2010-10-06 | 无锡市双净净化设备有限公司 | Concentrated water reuse system for reverse osmosis unit |
| CN202089806U (en) * | 2010-09-23 | 2011-12-28 | 浙江四通环境工程有限公司 | Water-saving and energy-saving reverse-osmosis device |
| JP2018171577A (en) * | 2017-03-31 | 2018-11-08 | 栗田工業株式会社 | Pure water production method and device |
| CN211255364U (en) * | 2019-09-21 | 2020-08-14 | 佛山市云米电器科技有限公司 | Split type reverse osmosis filter core device and purifier |
-
2019
- 2019-09-21 CN CN201910895931.5A patent/CN110498480B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000093751A (en) * | 1998-09-22 | 2000-04-04 | Toray Ind Inc | Reverse osmosis separation device and reverse osmosis separation method |
| JP2002035749A (en) * | 2000-07-26 | 2002-02-05 | Nippon Rensui Co Ltd | Apparatus and method for making pure water |
| JP2006035035A (en) * | 2004-07-23 | 2006-02-09 | Fuji Electric Holdings Co Ltd | Water-treating method and method of operating apparatus for treating water by membrane filtration |
| JP2009119345A (en) * | 2007-11-13 | 2009-06-04 | Kobelco Eco-Solutions Co Ltd | Water treatment system and its operating method |
| JP2009172462A (en) * | 2008-01-22 | 2009-08-06 | Miura Co Ltd | Water quality modifying apparatus, water treating system, and recycling system of drainage |
| CN201240893Y (en) * | 2008-05-22 | 2009-05-20 | 浙江玉泉环境工程有限公司 | Water-saving reverse osmosis unit |
| JP2010023006A (en) * | 2008-07-24 | 2010-02-04 | Nomura Micro Sci Co Ltd | Pure water production method |
| CN201596467U (en) * | 2010-02-01 | 2010-10-06 | 无锡市双净净化设备有限公司 | Concentrated water reuse system for reverse osmosis unit |
| CN202089806U (en) * | 2010-09-23 | 2011-12-28 | 浙江四通环境工程有限公司 | Water-saving and energy-saving reverse-osmosis device |
| JP2018171577A (en) * | 2017-03-31 | 2018-11-08 | 栗田工業株式会社 | Pure water production method and device |
| CN211255364U (en) * | 2019-09-21 | 2020-08-14 | 佛山市云米电器科技有限公司 | Split type reverse osmosis filter core device and purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110498480B (en) | 2024-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110845030A (en) | Water purification system and water purification unit | |
| CN206204030U (en) | A kind of pulse water saving anti-penetration water purifier | |
| CN105036391B (en) | Purifier | |
| CN110498480A (en) | A kind of split type reverse osmosis filter element device and a kind of water purifier | |
| CN205367935U (en) | Water purification unit and reverse osmosis water purification system thereof | |
| CN110498478A (en) | Split type reverse osmosis filter element device and water purifier | |
| CN110498479A (en) | A kind of reverse osmosis filter element device of dual-membrane type and a kind of water purifier | |
| CN210710878U (en) | Split type reverse osmosis filter core device and water purifier | |
| CN210710877U (en) | Double-membrane reverse osmosis filter element device and water purifier | |
| CN211255364U (en) | Split type reverse osmosis filter core device and purifier | |
| CN206253019U (en) | A kind of positive back cleaning system for reverse osmosis equipment reverse osmosis membrane assembly | |
| CN204625366U (en) | Water purifying equipment | |
| CN106865695A (en) | A kind of concentrated water fluid pressure type RO water storage systems | |
| CN204737763U (en) | Reverse osmosis water purification machine | |
| CN107337290A (en) | One kind is without pump water cleaning systems and water purifier | |
| CN108793525A (en) | Water cleaning systems | |
| CN208545214U (en) | A kind of water-saving water purifier | |
| CN207126188U (en) | A kind of air-source water heater filter | |
| CN206751532U (en) | A kind of vapour-pressure type RO water storage systems | |
| CN105347439A (en) | Water saving-type reverse osmosis purifier | |
| CN210410225U (en) | Split type membrane filtration filter core structure and large-flux water purifier | |
| CN211445171U (en) | EDR (electro-osmotic reaction) water purification device with pressure reduction function and water purifier | |
| CN211198695U (en) | Water saving device of reverse osmosis water purifying equipment | |
| CN107337260B (en) | Method for improving anti-pollution capacity and water recovery rate of reverse osmosis all-in-one machine | |
| CN212532474U (en) | Frequency conversion energy-saving internet of things water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211103 Address after: 528300 No. 2, North Xinxi 4th Road, Xiashi village, Lunjiao street, Shunde District, Foshan City, Guangdong Province (No. 1-6, north of the first floor of office building, block a, Shengda Industrial Park) Applicant after: Guangdong Chestnut Technology Co.,Ltd. Address before: 528300 Nepheline Village Committee, Lunjiao Sub-district Office, Shunde District, Foshan City, Guangdong Province Applicant before: FOSHAN VIOMI ELECTRICAL TECHNOLOGY Co.,Ltd. Applicant before: Chen Xiaoping |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |