CN112237779A - Whole machine filter element of parallel-row type synchronous filtering, cleaning and purifying robot - Google Patents
Whole machine filter element of parallel-row type synchronous filtering, cleaning and purifying robot Download PDFInfo
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- CN112237779A CN112237779A CN202011066585.9A CN202011066585A CN112237779A CN 112237779 A CN112237779 A CN 112237779A CN 202011066585 A CN202011066585 A CN 202011066585A CN 112237779 A CN112237779 A CN 112237779A
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- filtering
- filter element
- water inlet
- cleaning
- outlet shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a whole-machine filter element of a gang-type synchronous filtering, cleaning and purifying robot, which comprises a plurality of synchronous filtering and cleaning filter element units, wherein each synchronous filtering and cleaning filter element unit comprises a filtering shell, a filter element fixing net, a water inlet and outlet shaft, a flexible filtering core body, a filtering end cover, a rotary driving assembly, two closed squeezing rollers and a flushing liquid inlet pipe; the water inlet and outlet shaft is provided with a filtering water inlet chamber, the water inlet and outlet shaft is provided with a flushing chamber, the water inlet and outlet shaft is provided with a plurality of flushing dispersion holes communicated with the flushing chamber, and the water inlet and outlet shaft is provided with a plurality of filtering dispersion holes communicated with the filtering water inlet chamber; the two closed extrusion rollers are distributed on the extension lines of two radial boundaries of the first fan-shaped area, the roller surfaces of the closed extrusion rollers are in extrusion contact with the flexible filter core body and the inner wall of the filter shell body, and the two end surfaces of the closed extrusion rollers are in sealing fit with the inner top wall and the inner bottom wall of the filter shell body; the flushing liquid inlet pipe is arranged between the closed extrusion rollers; the invention realizes the synchronous operation of filter element filtration and filter element flushing, and has high utilization rate and better purification effect.
Description
Technical Field
The invention relates to a whole filter element of a row-connected type synchronous filtering, cleaning and purifying robot.
Background
The filter element of the existing backwashing water purifier has the following problems: the forward filtration and the back flushing of the filter elements can not be carried out simultaneously, so that a plurality of filter elements are required to be arranged for alternate operation in occasions requiring uninterrupted water supply, and the utilization rate of the filter elements is reduced; meanwhile, in the backwashing process, the filter concentrate is positioned among membrane filaments of the filter element, the direct washing removal rate is low, the filter element is gradually blocked and loses efficacy, and the service life is short.
Disclosure of Invention
The invention aims to overcome the defects and provide a filter element of a whole machine of a row-connected type synchronous filtering, cleaning and purifying robot.
In order to achieve the purpose, the invention adopts the following specific scheme:
the utility model provides a clean cleaning machines people complete machine filter core is filtered in parallel formula synchronization, includes a plurality of clean filter core units of filtering in step, a plurality of clean filter core units of filtering in step are a word arrangement, just a plurality of clean filter core units of filtering in step are in proper order to be in the same place through the connecting pipe in series between.
Furthermore, each synchronous filtering and cleaning filter element unit comprises a filtering shell, a filter element fixing net, a water inlet and outlet shaft, a flexible filter element body, a filtering end cover, a rotary driving assembly, two closed squeezing rollers and a washing liquid inlet pipe;
the lower end of the filtering shell is provided with a filtering water outlet;
the filter element fixing net is in a circular tube state, is arranged in the filter shell, and is rotationally connected with two ends of the filter shell at two ends;
the water inlet and outlet shaft is sleeved in the filter element fixing net, the outer diameter of the water inlet and outlet shaft is matched with the inner diameter of the filter element fixing net, the upper end of the water inlet and outlet shaft is inwards provided with a filtering water inlet chamber along the central axis direction, the side edge of the filtering water inlet chamber of the water inlet and outlet shaft is provided with a washing chamber with a fan-shaped cross section, the lower end of the water inlet and outlet shaft is provided with a flushing outlet communicated with the flushing chamber, the peripheral wall of the water inlet and outlet shaft is provided with a first fan-shaped area and a second fan-shaped area, the first fan-shaped area is arranged corresponding to the washing chamber, a plurality of washing dispersion holes communicated with the washing chamber are uniformly distributed in the first fan-shaped area of the water inlet and outlet shaft corresponding to the washing chamber, a plurality of filtering dispersion holes communicated with the filtering water inlet chamber are uniformly distributed in a second fan-shaped area of the water inlet and outlet shaft, and the first fan-shaped area and the second fan-shaped area are staggered;
the flexible filter element body is fixedly sleeved on the outer wall of the filter element fixing net;
the filtering end cover is arranged at the upper end part of the filtering shell, the inner top surface of the filtering end cover is fixedly connected with the upper end part of the water inlet and outlet shaft, the center of the filtering end cover is provided with a filtering water inlet, and the filtering water inlet is communicated with the filtering water inlet chamber;
the rotary driving assembly is used for driving the filter element fixing net to rotate;
the two closed squeezing rollers are arranged in the filtering shell at intervals and are respectively positioned on the extension lines of two radial boundaries of the first fan-shaped area, two ends of the two closed squeezing rollers are respectively and rotatably connected to the filtering shell, the roller surfaces of the two closed squeezing rollers are in squeezing contact with the flexible filtering core body and the inner wall of the filtering shell, and two end surfaces of the two closed squeezing rollers are in sealing fit with the inner top wall and the inner bottom wall of the filtering shell;
the flushing liquid inlet pipe is arranged in the filtering shell and positioned between the two closed squeezing rollers, and one side, facing the flushing cavity, of the flushing liquid inlet pipe is provided with a plurality of flushing jet ports along the axial direction.
Further, the angular arc of the first sector area plus the angular arc of the second sector area equals 360 degrees.
Furthermore, the outer wall of the washing liquid inlet pipe is sleeved with an ultrasonic transmitting pipe, and the ultrasonic transmitting pipe is provided with notches corresponding to the plurality of washing jet ports.
Further, the rotary driving assembly comprises a rotary driving motor, a small cylindrical gear and a large cylindrical gear; the rotary driving motor is fixed on the outer side of the filtering end cover; the small cylindrical gear and the large cylindrical gear are both arranged between the filtering end cover and the filtering shell; the small cylindrical gear is connected with the output end of the rotary driving motor; the big cylindrical gear is sleeved at the upper end of the filter element fixing net and meshed with the small cylindrical gear.
Further, nylon sealing rings or phenolic sealing rings are respectively arranged between the two ends of the outer wall of the filter element fixing net and the filter shell.
The invention has the beneficial effects that: according to the invention, the flexible filter element body is rotated, the flushing chamber and the filtering water inlet chamber are arranged on the water inlet and outlet shaft, and two closed extrusion rollers which are arranged corresponding to the flushing chamber are matched, so that the filtering and the filter element flushing are carried out synchronously without conflict, and the operating efficiency of the filter element of the water purifier is greatly improved; compared with the existing intermittent washing mode, the continuous dynamic washing mode is adopted, the possibility of retaining the filtering dirt in the flexible filtering core body is greatly reduced, the filtering dirt is extruded by utilizing the two closed extrusion rollers, the volume of the filtering dirt is reduced, the backwashing water is greatly beneficial to flushing the filtering dirt out of the flexible filtering core body, the washing efficiency and the washing effect are improved, and the service life of the water purifier filtering core is prolonged.
The invention is provided with multi-stage sequential filtration and purification, thereby greatly improving the purification effect and obtaining cleaner drinking water.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of another aspect of the present invention;
FIG. 3 is a perspective view of the simultaneous filtration cleaning cartridge unit of the present invention;
FIG. 4 is a cross-sectional view of a first perspective of the synchronous filtration cleaning cartridge unit of the present invention;
FIG. 5 is a cross-sectional view of a second perspective of the simultaneous filtration cleaning cartridge unit of the present invention;
FIG. 6 is a perspective view of a portion of the construction of the synchronous filtration cleaning cartridge unit of the present invention;
FIG. 7 is a cross-sectional view of the water inlet and outlet spool of the present invention;
description of reference numerals: a1, synchronous filtration cleaning filter element unit; a2, connecting pipe;
1. a filter housing; 11. filtering the water outlet; 2. a filter element fixing net; 3. a water inlet shaft and a water outlet shaft; 31. filtering the water inlet chamber; 32. flushing the chamber; 33. a flush outlet; 34. flushing the dispersion holes; 35. filtering the dispersion pores; 4. a flexible filter element; 5. filtering the end cover; 51. filtering the water inlet; 6. a rotary drive assembly; 61. a rotary drive motor; 62. a small cylindrical gear; 63. a large cylindrical gear; 7. closing the squeeze roll; 8. washing the liquid inlet pipe; 9. an ultrasonic emission tube.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 7, the overall filter element of the gang-type synchronous filtering, cleaning and purifying robot of the present embodiment includes a plurality of synchronous filtering and cleaning filter element units a1, the synchronous filtering and cleaning filter element units a1 are arranged in a straight line, and the synchronous filtering and cleaning filter element units a1 are sequentially connected in series through a connecting pipe a 2. So through multistage filtration purification in proper order, and every clean filter core unit a1 of simultaneous filtration also carries out the filter core and washes the processing when self is carried out water filtration, improves the purifying effect of water greatly, obtains cleaner drinking water.
Based on the above embodiment, further, each of the synchronous filtration and cleaning filter element units a1 includes a filtration shell 1, a filter element fixing net 2, a water inlet and outlet shaft 3, a flexible filter element 4, a filtration end cover 5, a rotary driving assembly 6, two closed squeezing rollers 7 and a washing liquid inlet pipe 8;
the lower end of the filtering shell 1 is provided with a filtering water outlet 11; the filter element fixing net 2 is in a circular tube state, the filter element fixing net 2 is arranged in the filter shell 1, and two ends of the filter element fixing net 2 are rotatably connected with two ends of the filter shell 1; the water inlet and outlet shaft 3 is sleeved in the filter element fixing net 2, the outer diameter of the water inlet and outlet shaft 3 is matched with the inner diameter of the filter element fixing net 2, the upper end of the water inlet and outlet shaft 3 is inwards provided with a filtering water inlet chamber 31 along the central axis direction, the side edge of the filtering water inlet chamber 31 of the water inlet and outlet shaft 3 is provided with a washing chamber 32 with a fan-shaped cross section, the lower end of the water inlet and outlet shaft 3 is provided with a washing outlet 33 communicated with the washing chamber 32, the peripheral wall of the water inlet and outlet shaft 3 is provided with a first fan-shaped area and a second fan-shaped area, the first fan-shaped area is arranged corresponding to the washing chamber 32, the first fan-shaped area of the water inlet and outlet shaft 3 corresponding to the washing chamber 32 is uniformly provided with a plurality of washing dispersion holes 34 communicated with the washing chamber 32, and the second fan-shaped area of the water inlet and outlet shaft 3 is uniformly provided with a plurality of filtering dispersion holes, the first sector area and the second sector area are staggered with each other; the flexible filter element body 4 is fixedly sleeved on the outer wall of the filter element fixing net 2; the filtering end cover 5 is arranged at the upper end part of the filtering shell 1, the inner top surface of the filtering end cover 5 is fixedly connected with the upper end part of the water inlet and outlet shaft 3, a filtering water inlet 51 is arranged at the center of the filtering end cover 5, and the filtering water inlet 51 is communicated with the filtering water inlet chamber 31; the rotary driving assembly 6 is used for driving the filter element fixing net 2 to rotate; the two closed squeezing rollers 7 are arranged in the filtering shell 1 at intervals and are respectively positioned on the extension lines of two radial boundaries of the first fan-shaped area, two ends of the two closed squeezing rollers 7 are respectively and rotatably connected to the filtering shell 1, the roller surfaces of the two closed squeezing rollers 7 are in squeezing contact with the flexible filtering core body 4 and the inner wall of the filtering shell 1, and two end surfaces of the two closed squeezing rollers 7 are in sealing fit with the inner top wall and the inner bottom wall of the filtering shell 1; the washing liquid inlet pipe 8 is arranged in the filtering shell 1 and positioned between the two closed squeezing rollers 7, and one side, facing the washing cavity 32, of the washing liquid inlet pipe 8 is provided with a plurality of washing jet ports along the axial direction.
The working mode of the embodiment is as follows: when the device works, unfiltered water or primary filtered water is injected into the filtering water inlet chamber 31 of the water inlet and outlet shaft 3 through the filtering water inlet 51 of the filtering end cover 5, passes through each filtering dispersion hole 35 on the second fan-shaped area of the water inlet and outlet shaft 3, then enters the flexible filtering core 4 through the filter element fixing net 2, and then is filtered through the flexible filtering core 4, the filtered water flows out through the filtering water outlet 11 of the filtering shell 1, simultaneously the rotary driving piece drives the filter element fixing net 2 to rotate, the filter element fixing net 2 drives the flexible filtering core 4 to rotate, because the roll surfaces of the two closed extrusion rollers 7 are in extrusion contact with the flexible filtering core 4 and the filtering shell 1, and the end surfaces of the two closed extrusion rollers 7 are in sealing fit with the filtering shell 1, a closed flushing closed chamber is formed among the filtering shell 1, the two closed extrusion rollers 7 and the part of the flexible filtering core 4 corresponding to the first fan-shaped area, therefore, at this time, the region of the flexible filter element 4 undergoing the filtering treatment gradually enters between the two closed squeezing rollers 7, namely, a part of the region of the flexible filter element 4 is transferred into the flushing closed chamber, at this time, the closed squeezing rollers 7 squeeze the flexible filter element 4 and squeeze the filtering dirt trapped inside the flexible filter element 4 at the same time, so that the volume of the filtering dirt is reduced, after entering between the two closed squeezing rollers 7, the squeezed part of the flexible filter element 4 is rapidly rebounded to recover the initial filtering state, at this time, backwash water is injected through the flushing liquid inlet pipe 8, is sprayed to the flexible filter element 4 through each flushing jet orifice on the flushing liquid inlet pipe 8 to flush the flexible filter element 4, and drives the filtering dirt to enter the flushing chamber 32 after penetrating through the filter element fixing net 2 and each flushing dispersion hole 34 of the water inlet and outlet shaft 3 on the first fan-shaped region, then the water is discharged from a flushing outlet 33 of the water inlet and outlet shaft 3, the flushed flexible filter core body 4 enters a filtering area after being squeezed by the closed squeezing roller 7 again, namely, the water is rotated out of the flushing dense chamber and is filtered after rebounding; the flexible filter element body 4 is synchronously filtered and washed by the rotary circulation.
This embodiment is through making flexible filter core 4 rotatory, and set up on business turn over water axle 3 and wash cavity 32 and filter intake chamber 31, cooperate two again and wash the closed squeeze roll 7 that cavity 32 corresponds the setting, thereby realize filtering and go on in step with the filter core washes, each other conflict, improve the operating efficiency of water purifier filter core greatly, and compare in current discontinuous washing mode, this embodiment adopts continuous dynamic formula to wash, the flexible filter core of greatly reduced keeps the possibility of filtering the filth in 4, utilize two closed squeeze rolls 7 to extrude filtering filth simultaneously, make and filter filth volume and reduce, do benefit to the backwash water greatly and wash out flexible filter core 4 with filtering the filth, improve efficiency of washing and washing effect, do benefit to the life who prolongs filter core water purifier.
Based on the above embodiment, further, the sum of the angular arc of the first sector area and the angular arc of the second sector area is equal to 360 degrees. So set up for flexible filter element 4 obtains make full use of, improves flexible filter element 4's utilization ratio.
On the basis of the above embodiment, further, the outer wall of the washing liquid inlet pipe 8 is sleeved with an ultrasonic emission pipe 9, and the ultrasonic emission pipe 9 is provided with notches corresponding to the plurality of washing jet ports. During the in-service use, ultrasonic emission pipe 9 carries out ultrasonic vibration breakage to the filtration filth after being extruded, further reduces the volume of filtering the filth, makes the filtration filth after the breakage more easily washed out flexible filter core 4, further improves and washes the effect.
Based on the above embodiment, further, the rotary drive assembly 6 includes a rotary drive motor 61, a small cylindrical gear 62 and a large cylindrical gear 63; the rotary driving motor 61 is fixed on the outer side of the filter end cover 5; the small cylindrical gear 62 and the large cylindrical gear 63 are both arranged between the filter end cover 5 and the filter shell 1; the small cylindrical gear 62 is connected with the output end of the rotary driving motor 61; the large cylindrical gear 63 is sleeved on the upper end of the filter element fixing net 2 and meshed with the small cylindrical gear 62. Through the structure, the small cylindrical gear 62 and the large cylindrical gear 63 form a speed reducing mechanism, the power of the rotary driving motor 61 is transmitted to the filter element fixing net 2, and the rotation of the flexible filter element body 4 is realized.
Based on the above embodiment, further, the flushing dispersion holes 34 are arranged along the radial direction. The arrangement is such that the flushing dispersion holes 34 are all full of the first sector.
Based on the above embodiment, further, the filtering dispersion holes 35 are arranged along the radial direction. The arrangement is such that the filter dispersion holes 35 are all distributed over the second sector area.
Based on the above embodiment, further, a nylon sealing ring (not shown) or a phenolic sealing ring (not shown) is respectively disposed between the two ends of the outer wall of the filter element fixing net 2 and the filter housing 1. So make filter core fixed network 2 also keep the leakproofness in the pivoted, still can provide the support for filter core fixed network 2.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (6)
1. The utility model provides a clean and purify complete machine filter core of robot is filtered in row formula synchronization which characterized in that: comprises a plurality of synchronous filtering and cleaning filter core units (a1), wherein the synchronous filtering and cleaning filter core units (a1) are arranged in a straight line, and the synchronous filtering and cleaning filter core units (a1) are sequentially connected in series through a connecting pipe (a 2).
2. The whole filter element of the parallel type synchronous filtering, cleaning and purifying robot of claim 1, which is characterized in that: each synchronous filtering and cleaning filter element unit (a1) comprises a filtering shell (1), a filter element fixing net (2), a water inlet and outlet shaft (3), a flexible filtering core body (4), a filtering end cover (5), a rotary driving assembly (6), two closed squeezing rollers (7) and a washing liquid inlet pipe (8);
a filtering water outlet (11) is formed in the lower end of the filtering shell (1);
the filter element fixing net (2) is in a circular tube state, the filter element fixing net (2) is arranged in the filter shell (1), and two ends of the filter element fixing net are rotatably connected with two ends of the filter shell (1);
the filter element fixing net is characterized in that the water inlet and outlet shaft (3) is sleeved in the filter element fixing net (2), the outer diameter of the water inlet and outlet shaft (3) is matched with the inner diameter of the filter element fixing net (2), the upper end of the water inlet and outlet shaft (3) is inwards provided with a filtering water inlet chamber (31) along the direction of the central axis, the water inlet and outlet shaft (3) is arranged on the side edge of the filtering water inlet chamber (31) and is provided with a washing chamber (32) with a fan-shaped cross section, the lower end of the water inlet and outlet shaft (3) is provided with a washing outlet (33) communicated with the washing chamber (32), the peripheral wall of the water inlet and outlet shaft (3) is provided with a first fan-shaped area and a second fan-shaped area, the first fan-shaped area corresponds to the washing chamber (32), and a plurality of washing dispersion holes (34) communicated with the washing chamber (32) are uniformly distributed on the first fan-shaped area of, a plurality of filtering dispersion holes (35) communicated with the filtering water inlet chamber (31) are uniformly distributed in a second fan-shaped area of the water inlet and outlet shaft (3), and the first fan-shaped area and the second fan-shaped area are staggered;
the flexible filter element body (4) is fixedly sleeved on the outer wall of the filter element fixing net (2);
the filtering end cover (5) is arranged at the upper end part of the filtering shell (1), the inner top surface of the filtering end cover (5) is fixedly connected with the upper end part of the water inlet and outlet shaft (3), a filtering water inlet (51) is formed in the center of the filtering end cover (5), and the filtering water inlet (51) is communicated with the filtering water inlet chamber (31);
the rotary driving assembly (6) is used for driving the filter element fixing net (2) to rotate;
the two closed squeezing rollers (7) are arranged in the filtering shell (1) at intervals and are respectively positioned on the extension lines of two radial boundaries of the first fan-shaped area, two ends of the two closed squeezing rollers (7) are respectively and rotatably connected to the filtering shell (1), the roller surfaces of the two closed squeezing rollers (7) are in squeezing contact with the flexible filtering core body (4) and the inner wall of the filtering shell (1), and two end surfaces of the two closed squeezing rollers (7) are in sealing fit with the inner top wall and the inner bottom wall of the filtering shell (1);
the washing liquid inlet pipe (8) is arranged in the filtering shell (1) and positioned between the two closed squeezing rollers (7), and one side, facing the washing cavity (32), of the washing liquid inlet pipe (8) is provided with a plurality of washing jet ports along the axial direction.
3. The whole filter element of the parallel type synchronous filtering, cleaning and purifying robot of claim 2, which is characterized in that: the sum of the angular arc of the first sector and the angular arc of the second sector equals 360 degrees.
4. The whole filter element of the parallel type synchronous filtering, cleaning and purifying robot of claim 2 or 3, which is characterized in that: the outer wall of the washing liquid inlet pipe (8) is sleeved with an ultrasonic transmitting pipe (9), and the ultrasonic transmitting pipe (9) is provided with notches corresponding to the washing jet ports.
5. The whole filter element of the parallel type synchronous filtering, cleaning and purifying robot of claims 1-4, which is characterized in that: the rotary driving assembly (6) comprises a rotary driving motor (61), a small cylindrical gear (62) and a large cylindrical gear (63); the rotary driving motor (61) is fixed on the outer side of the filtering end cover (5); the small cylindrical gear (62) and the large cylindrical gear (63) are arranged between the filtering end cover (5) and the filtering shell (1); the small cylindrical gear (62) is connected with the output end of the rotary driving motor (61); the large cylindrical gear (63) is sleeved at the upper end of the filter element fixing net (2) and meshed with the small cylindrical gear (62).
6. The whole filter element of the parallel type synchronous filtering, cleaning and purifying robot of claims 1-5, which is characterized in that: and nylon sealing rings or phenolic sealing rings are respectively arranged between the two ends of the outer wall of the filter element fixing net (2) and the filtering shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066585.9A CN112237779A (en) | 2020-10-01 | 2020-10-01 | Whole machine filter element of parallel-row type synchronous filtering, cleaning and purifying robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011066585.9A CN112237779A (en) | 2020-10-01 | 2020-10-01 | Whole machine filter element of parallel-row type synchronous filtering, cleaning and purifying robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112237779A true CN112237779A (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011066585.9A Withdrawn CN112237779A (en) | 2020-10-01 | 2020-10-01 | Whole machine filter element of parallel-row type synchronous filtering, cleaning and purifying robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112237779A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114949962A (en) * | 2022-06-23 | 2022-08-30 | 马赞朋 | Energy-saving RO electrophoresis recovery system |
-
2020
- 2020-10-01 CN CN202011066585.9A patent/CN112237779A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114949962A (en) * | 2022-06-23 | 2022-08-30 | 马赞朋 | Energy-saving RO electrophoresis recovery system |
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Application publication date: 20210119 |
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| WW01 | Invention patent application withdrawn after publication |