CN112125354B - Multi-filter element water purifying device - Google Patents
Multi-filter element water purifying device Download PDFInfo
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- CN112125354B CN112125354B CN201910551948.9A CN201910551948A CN112125354B CN 112125354 B CN112125354 B CN 112125354B CN 201910551948 A CN201910551948 A CN 201910551948A CN 112125354 B CN112125354 B CN 112125354B
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- filter element
- electromagnetic valve
- mounting plate
- water inlet
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
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- 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
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- 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
- C02F2201/005—Valves
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a multi-filter element water purifying device, which is characterized in that: comprises a water inlet pump, a water inlet electromagnetic valve, a multi-filter element filtering membrane unit, a water producing and electromagnetic valve, a backwashing electromagnetic valve, a sewage draining electromagnetic valve, a backwashing pump, a water producing tank and a control unit; the external water source sequentially passes through a water inlet pump and a water inlet electromagnetic valve to be communicated with a water inlet pipe of the multi-filter-element filtering membrane unit, the sewage draining electromagnetic valve is arranged on a sewage draining pipe of the multi-filter-element filtering membrane unit, a water producing port of the multi-filter-element filtering membrane unit is communicated with a water producing tank through a water producing electromagnetic valve, and sequentially passes through a backwashing electromagnetic valve and a backwashing pump to be communicated with the water producing tank, and the control unit is electrically connected with the water inlet pump, the water inlet electromagnetic valve, the water producing electromagnetic valve, the backwashing electromagnetic valve, the sewage draining electromagnetic valve and the backwashing pump.
Description
Technical Field
The invention belongs to the technical field of water purifying devices, and particularly relates to a multi-filter-element water purifying device.
Background
In order to meet the water demand of different industries, the water purifier is widely applied in the industrial and civil fields. The existing single-stage water purifier consists of a membrane shell and a single filter element, wherein the membrane shell is provided with a water inlet and a water outlet, and the filter element is arranged in the shell and is generally used for pre-filtration. In order to improve the quality of produced water, a plurality of single-stage water purifiers are generally connected in series to form a multi-stage filter, the filter core is generally PP cotton, activated carbon, an ultrafiltration membrane, a nanofiltration membrane or a reverse osmosis membrane, and the quality of raw water is gradually improved through multi-stage filtration. In order to increase the water yield, a plurality of single-stage water purifiers are generally connected in parallel. However, a plurality of single-stage water purifiers are connected in parallel, so that the number of the shells is large, the pipeline connection is complex, the occupied area is large, and the assembly, disassembly and washing are very inconvenient. Therefore, a plurality of filter elements connected in parallel are available on the market.
CN 207950834U discloses a cross-flow ceramic membrane filter, and the inside removable upper flower plate, lower flower plate and a plurality of ceramic membrane filter tubes of locating between upper flower plate and the lower flower plate that are equipped with of belonging to barrel, every ceramic membrane filter tube is formed by at least two ceramic membrane filtration being in charge of connection, ceramic membrane filtration is in charge of connection through O type staple bolt between the pipe, directly carries out high accuracy filtration through multichannel ceramic membrane filter tube to the raw water, and coarse filtration, fine filtration once accomplish, and equipment filtration process is automatic to be on-line to recoil washs ceramic membrane, and ceramic membrane filter tube is difficult for stifled, and flow maintainability is good. However, the cross-flow ceramic membrane filter is suitable for the industrial field, raw water flows from the inner surface of the ceramic membrane filter tube to the bottom of the cross-flow ceramic membrane filter for circulation, membrane pollution is relieved by means of high membrane surface flow rate, energy consumption is high, and sealing requirements on pipelines and equipment are high; the ceramic membrane filter tube is required to be connected with the upper flower plate and the lower flower plate in a nested manner, and has high requirements on flatness and installation accuracy; each ceramic membrane filter tube is formed by connecting at least two ceramic membrane filter branch tubes, and the ceramic membrane filter branch tubes are connected through an O-shaped hoop, so that the risk of fracture exists; the filter is backwashed by pressure difference control, and the electrical control requirement is high.
CN107684766B discloses a multi-filter element parallel water purifier, which is provided with a plurality of filter element components, a driving mechanism for driving the filter element components and a brush component, and can automatically clean the filter elements, but the water purifier has the advantages of complex structure, multiple components, difficult assembly and no contribution to market application.
CN201404722Y discloses a novel ceramic water filtering device, which comprises a shell and a plurality of ceramic filter elements connected in parallel, and has the advantages of simple structure, low cost, small occupied area, convenient assembly, convenient disassembly and washing, etc., but the filter elements of the device are only single-layer, the space utilization rate is low, and the water yield is low; the filter element is arranged on a filter element mounting disc at the bottom of the cylinder body, and the cylinder body is deeper, so that the operation space for dismounting the filter element is insufficient; each ceramic filter element is formed by connecting filter elements in series, the risk of fracture exists, and the structure is more complex by adding a positioning plate.
To sum up, for multi-cartridge water purification devices, the following drawbacks exist in the prior art: the water purifier has complex structure, various parts and difficult assembly; the space utilization rate is low, and the water yield is low; the filter element is not enough in disassembly and assembly operation space.
In addition, the household water purifying device on the market is generally not provided with a cleaning process, the filter element is disposable, the water flow rate is lower than a certain degree, or the service life is reached, and the filter element is directly replaced. However, the multi-filter element water purifying device is internally provided with a plurality of filter elements, has large water yield and is generally suitable for occasions with large water consumption, such as canteens, factories, railway stations and the like. After a certain period of use, the filter element is inevitably polluted, the water yield is gradually reduced, and if the filter element is not cleaned in time, the water yield can not meet the use requirement. If the filter element is replaced in a short time, the cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a multi-filter element water purifying device.
The technical scheme of the invention is as follows:
a multi-filter element water purifying device comprises a water inlet pump, a water inlet electromagnetic valve, a multi-filter element filtering membrane unit, a water producing electromagnetic valve, a backwashing electromagnetic valve, a sewage draining electromagnetic valve, a backwashing pump, a water producing pool and a control unit;
the external water source is communicated with a water inlet pipe of the multi-filter element filtering membrane unit sequentially through a water inlet pump and a water inlet electromagnetic valve, the sewage draining electromagnetic valve is arranged on a sewage draining pipe of the multi-filter element filtering membrane unit, a water producing port of the multi-filter element filtering membrane unit is communicated with a water producing tank through a water producing electromagnetic valve, and is communicated with the water producing tank sequentially through a backwashing electromagnetic valve and a backwashing pump, and the control unit is electrically connected with the water inlet pump, the water inlet electromagnetic valve, the water producing electromagnetic valve, the backwashing electromagnetic valve, the sewage draining electromagnetic valve and the backwashing pump;
the multi-cartridge filtration membrane unit includes:
an upper shell with a lower opening, the water inlet pipe is arranged on the side wall of the upper shell, and the sewage discharge pipe is arranged on the top end of the upper shell;
a lower shell having an upper opening, the water producing port being provided at a lower end thereof;
the lower mounting plate is provided with a lower through hole and a plurality of lower mounting through holes, the lower through hole is arranged in the middle of the lower mounting plate, and the plurality of lower mounting through holes are arrayed around the lower through hole;
the upper mounting plate is provided with a plurality of upper mounting through holes in an array arrangement;
an upper end plate, the upper end surface of which is concave to form a water collecting groove, the lower bottom surface of the water collecting groove is provided with an upper through hole;
a hollow connecting tube;
the lower end of each filter element is provided with an end cover, the lower end of the end cover is provided with a filter element joint communicated with the inner cavity of the filter element, and the filter element is a PP cotton filter element, a hollow fiber ultrafiltration membrane filter element or a ceramic filter element;
the upper shell, the lower mounting plate and the lower shell are sequentially arranged together from top to bottom, the lower mounting plate and the lower shell enclose a water producing cavity, the upper shell and the lower mounting plate enclose a raw water cavity, and the upper mounting plate is covered on the upper end plate and encloses a water collecting cavity with the water collecting groove; the upper end of the hollow connecting pipe is communicated with the water collecting cavity through an upper through hole, and the lower end of the hollow connecting pipe is communicated with the water producing cavity through a lower through hole; gaps are formed between the edges of the upper mounting plate and the upper end plate and the inner side wall of the upper shell to serve as raw water channels between the upper space and the lower space of the raw water cavity; the filter element joints of one part of the filter elements are inserted in the lower mounting through holes in a sealing way, so that the inner cavity of the filter element is communicated with the water producing cavity, and the filter element joints of the other part of the filter elements are inserted in the upper mounting through holes in a sealing way, so that the inner cavity of the filter element is communicated with the water collecting cavity.
In a preferred embodiment of the invention, the lower mounting plate is welded to the upper opening of the lower housing in one piece.
In a preferred embodiment of the present invention, a first sealing ring is provided between the upper housing and the lower mounting plate, and is mounted together by a clip structure.
In a preferred embodiment of the invention, the axis of the inlet pipe is arranged obliquely upwards and at an angle of 30-45 ° to the horizontal.
In a preferred embodiment of the invention, a second sealing ring is arranged between the upper mounting plate and the upper end plate.
In a preferred embodiment of the invention, the upper end of the hollow connecting pipe is sleeved with at least one upper O-shaped ring, and the lower part of the at least one upper O-shaped ring is provided with an upper annular bulge, so that the upper end of the hollow connecting pipe is sealed and inserted into the upper through hole in a limiting way.
In a preferred embodiment of the invention, the lower end of the hollow connecting pipe is sleeved with at least one lower O-shaped ring, and a lower annular bulge is arranged at the upper part of the at least one lower O-shaped ring, so that the lower end of the hollow connecting pipe is sealed and inserted into the lower through hole in a limiting way.
In a preferred embodiment of the invention, the device further comprises a plurality of support rods which are arranged at equal intervals along the periphery of the lower mounting plate, the lower ends of the support rods are fixedly connected with the lower mounting plate, the upper ends of the support rods are provided with threads and sequentially penetrate through the upper end plate and the upper mounting plate from bottom to top, and the upper ends of the support rods are tightly clamped with the upper mounting plate through the matching of nuts and the threads of the upper end plate and the upper mounting plate.
Further preferably, the diameter of the support rod is gradually increased from the upper end to the lower end.
The beneficial effects of the invention are as follows:
1. the multi-filter element water purifying device has the advantages of simple structure, small occupied area, convenient disassembly and assembly and backwashing.
2. The invention can remove pollutants on the surface layer of the filter element through forward washing and back washing, reduce the washing difficulty and prolong the service life of the filter element.
3. The invention adopts a periodic cleaning mode, and has low automatic control requirement.
4. The invention is provided with the multi-layer filter element, has high space utilization rate and large water yield, and is more suitable for occasions with large water consumption.
5. The lower shell and the lower mounting plate are welded into a whole, and when the filter element is dismounted, the upper shell is only required to be dismounted, so that the operation space is large, and the operability is high.
6. The filter element is connected with the upper mounting plate and the lower mounting plate in a single-ended mode, and has low requirements on the flatness and the mounting precision of the filter element.
7. The filter element provided by the invention is an integral filter element, has high strength and no fracture risk.
8. The filter element can be a PP cotton filter element, a hollow fiber ultrafiltration membrane filter element or a ceramic filter element, and greatly widens the application field of the water purifying device.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is an exploded perspective view of the multi-cartridge filtration membrane unit of the present invention.
FIG. 3 is a cross-sectional view of a multi-cartridge filtration membrane unit of the present invention.
Detailed Description
The technical scheme of the invention is further illustrated and described below by the specific embodiments in combination with the accompanying drawings.
As shown in fig. 1, a multi-cartridge water purifying apparatus comprises a water inlet pump 1, a water inlet electromagnetic valve 2, a multi-cartridge filtering membrane unit 3, a water producing valve 4, a backwashing electromagnetic valve 5, a sewage discharging electromagnetic valve 6, a backwashing pump 7, a water producing tank 8 and a control unit (not shown in the figure);
the external water source sequentially passes through the water inlet pump 1 and the water inlet electromagnetic valve 2 to be communicated with the water inlet pipe 310 of the multi-filter-element filtering membrane unit 3, the blowdown electromagnetic valve 6 is arranged on the blowdown pipe 311 of the multi-filter-element filtering membrane unit 3, the water outlet 320 of the multi-filter-element filtering membrane unit 3 is communicated with the water producing tank 8 through the water producing electromagnetic valve 4, and sequentially passes through the backwashing electromagnetic valve 5 and the backwashing pump 7 to be communicated with the water producing tank 8, and the control unit is electrically connected with the water inlet pump 1, the water inlet electromagnetic valve 2, the water producing electromagnetic valve 4, the backwashing electromagnetic valve 5, the blowdown electromagnetic valve 6 and the backwashing pump 7.
As shown in fig. 2 and 3, the multi-cartridge filtration membrane unit 3 includes an upper housing 31, a lower housing 32, a plurality of cartridges 33, a lower mounting plate 34, an upper mounting plate 35, an upper end plate 36 and a hollow connection tube 37;
the upper shell 31 has a lower opening, the water inlet pipe 310 is arranged on the side wall of the upper shell, the sewage discharge pipe 311 is arranged on the top end of the upper shell, and preferably, the axis of the water inlet pipe 310 is obliquely arranged upwards and forms 30-45 degrees with the horizontal plane;
the lower casing 32 has an upper opening, and the water producing port 320 is disposed at the lower end thereof;
the lower mounting plate 34 is provided with a lower through hole 340 and a plurality of lower mounting through holes 341, the lower through hole 340 is arranged in the middle of the lower mounting plate 34, and the plurality of lower mounting through holes 341 are arranged around the lower through hole 340 in an array manner;
an upper mounting plate 35 on which a plurality of upper mounting through holes 351 are arrayed;
the upper end plate 36, the upper end surface of which is concave to form a water collecting groove 360, the lower bottom surface of the water collecting groove 360 is provided with an upper through hole 3601;
the lower end of each filter element 33 is provided with an end cover 331, the lower end of the end cover 331 is provided with a filter element joint 332 communicated with the inner cavity of the filter element 33, and the filter element 33 is a PP cotton filter element, a hollow fiber ultrafiltration membrane filter element or a ceramic filter element;
the upper shell 31, the lower mounting plate 34 and the lower shell 32 are sequentially arranged together from top to bottom, the lower mounting plate 34 and the lower shell 32 are welded into a whole and enclose a water producing cavity 342, a first sealing ring 313 is arranged between the upper shell 31 and the lower mounting plate 34 and is arranged together through a clamp structure, and then an original water cavity 312 is enclosed, and the upper mounting plate 35 is covered on the upper end plate 36 through a second sealing ring 352 and encloses a water collecting cavity 353 with a water collecting groove 360;
the upper end of the hollow connecting pipe 37 is communicated with the water collecting cavity 353 through the upper through hole 3601, the lower end is communicated with the water producing cavity 342 through the lower through hole 340, specifically, the upper end of the hollow connecting pipe 37 is sleeved with at least one upper O-shaped ring 371, the lower part of the at least one upper O-shaped ring 371 is provided with an upper annular protrusion 372, so that the upper end of the hollow connecting pipe 37 is sealed and inserted into the upper through hole 3601 in a limiting manner, the lower end of the hollow connecting pipe 37 is sleeved with at least one lower O-shaped ring 373, and the upper part of the at least one lower O-shaped ring 373 is provided with a lower annular protrusion 374, so that the lower end of the hollow connecting pipe 37 is sealed and inserted into the lower through hole 340 in a limiting manner;
gaps are provided between the edges of the upper mounting plate 35 and the upper end plate 36 and the inner side wall of the upper housing 31 as raw water passages between the upper and lower spaces of the raw water chamber 312; the filter element connectors 332 of one part of the filter elements 33 are inserted in the lower mounting through holes 341 in a sealing way, so that the inner cavities of the filter element connectors are communicated with the water producing cavity 342, and the filter element connectors 332 of the other part of the filter elements 33 are inserted in the upper mounting through holes 351 in a sealing way, so that the inner cavities of the filter element connectors are communicated with the water collecting cavity 353.
Further preferably, the device further comprises a plurality of support rods 38, wherein the diameter of each support rod 38 is gradually increased from the upper end to the lower end, the support rods 38 are arranged at equal intervals along the periphery of the lower mounting plate 34, the lower ends of the support rods 38 are fixedly connected with the lower mounting plate 34, the upper ends of the support rods are threaded and sequentially pass through the upper end plate 36 and the upper mounting plate 35 from bottom to top, and the upper ends of the support rods are clamped with the upper end plate 36 and the upper mounting plate 35 through the matching of nuts 381 and threads thereof, and flat washers 382 and spring washers 383.
The multi-filter 33 water purifier has a filtering state, a forward washing state and a reverse washing state, and is specifically as follows:
filtering state: the water inlet pump 1, the water inlet electromagnetic valve 2 and the water production electromagnetic valve 4 are opened through the control unit, the backwash pump 7 and the backwash electromagnetic valve 5 are closed, and the sewage discharge electromagnetic valve 6 is closed. Raw water enters from the water inlet pipe 310 and fills the entire raw water chamber 312. Raw water enters the inner cavity from the outer wall of the filter element 33 to form produced water, and pollutants are trapped. The water produced by the lower filter element 33 directly enters the water producing cavity 342, and the water produced by the upper filter element 33 enters the water collecting cavity 353, then enters the water producing cavity 342 through the hollow connecting pipe 37, is discharged from the water producing port 320, and enters the water producing pool 8. The blow-down pipe 311 can be used for exhausting when water is fed for the first time.
Forward washing state: the water producing and sucking valve 4, the backwashing pump 7 and the backwashing solenoid valve 5 are closed by opening the water inlet pump 1, the water inlet solenoid valve 2 and the sewage discharging solenoid valve 6 through the control unit. Raw water is pressurized by the water inlet pump 1 to form high-speed water flow, the high-speed water flow enters from the water inlet pipe 310, the outer surface of the filter element 33 is quickly washed, and pollutants are washed out from the sewage discharge pipe 311.
Backwash state: the backwash pump 7, backwash solenoid valve 5 and blowdown solenoid valve 6 are opened by the control unit, and the water inlet pump 1, water inlet solenoid valve 2 and water production solenoid valve 4 are closed. The produced water is pressurized by the backwash pump 7 to form high-speed water flow, the high-speed water flow reversely enters from the water producing port 320 and permeates outwards from the inner cavity of the filter element 33, residual pollutants accumulated on the outer wall are flushed out, and the pollutants are discharged from the sewage discharge pipe 311.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, i.e., the invention is not to be limited to the details of the invention.
Claims (9)
1. A multi-cartridge water purification device, characterized in that: comprises a water inlet pump, a water inlet electromagnetic valve, a multi-filter element filtering membrane unit, a water producing and electromagnetic valve, a backwashing electromagnetic valve, a sewage draining electromagnetic valve, a backwashing pump, a water producing tank and a control unit; the external water source is communicated with a water inlet pipe of the multi-filter element filtering membrane unit sequentially through a water inlet pump and a water inlet electromagnetic valve, the sewage draining electromagnetic valve is arranged on a sewage draining pipe of the multi-filter element filtering membrane unit, a water producing port of the multi-filter element filtering membrane unit is communicated with a water producing tank through a water producing electromagnetic valve, and is communicated with the water producing tank sequentially through a backwashing electromagnetic valve and a backwashing pump, and the control unit is electrically connected with the water inlet pump, the water inlet electromagnetic valve, the water producing electromagnetic valve, the backwashing electromagnetic valve, the sewage draining electromagnetic valve and the backwashing pump;
the multi-cartridge filtration membrane unit includes:
an upper shell with a lower opening, the water inlet pipe is arranged on the side wall of the upper shell, and the sewage discharge pipe is arranged on the top end of the upper shell;
a lower shell having an upper opening, the water producing port being provided at a lower end thereof;
the lower mounting plate is provided with a lower through hole and a plurality of lower mounting through holes, the lower through hole is arranged in the middle of the lower mounting plate, and the plurality of lower mounting through holes are arrayed around the lower through hole;
the upper mounting plate is provided with a plurality of upper mounting through holes in an array arrangement;
an upper end plate, the upper end surface of which is concave to form a water collecting groove, the lower bottom surface of the water collecting groove is provided with an upper through hole;
a hollow connecting tube;
the lower end of each filter element is provided with an end cover, the lower end of the end cover is provided with a filter element joint communicated with the inner cavity of the filter element, and the filter element is a PP cotton filter element, a hollow fiber ultrafiltration membrane filter element or a ceramic filter element;
the upper shell, the lower mounting plate and the lower shell are sequentially arranged together from top to bottom, the lower mounting plate and the lower shell enclose a water producing cavity, the upper shell and the lower mounting plate enclose a raw water cavity, and the upper mounting plate is covered on the upper end plate and encloses a water collecting cavity with the water collecting groove; the upper end of the hollow connecting pipe is communicated with the water collecting cavity through an upper through hole, and the lower end of the hollow connecting pipe is communicated with the water producing cavity through a lower through hole; gaps are formed between the edges of the upper mounting plate and the upper end plate and the inner side wall of the upper shell to serve as raw water channels between the upper space and the lower space of the raw water cavity; the filter element joints of one part of the filter elements are inserted in the lower mounting through holes in a sealing way, so that the inner cavity of the filter element is communicated with the water producing cavity, and the filter element joints of the other part of the filter elements are inserted in the upper mounting through holes in a sealing way, so that the inner cavity of the filter element is communicated with the water collecting cavity.
2. A multi-cartridge water purification apparatus as recited in claim 1, wherein: the lower mounting plate is welded with the upper opening of the lower shell into a whole.
3. A multi-cartridge water purification apparatus as recited in claim 1, wherein: a first sealing ring is arranged between the upper shell and the lower mounting plate and is arranged together through a clamp structure.
4. A multi-cartridge water purification apparatus as recited in claim 1, wherein: the axis of the water inlet pipe is obliquely arranged upwards and forms 30-45 degrees with the horizontal plane.
5. A multi-cartridge water purification apparatus as recited in claim 1, wherein: and a second sealing ring is arranged between the upper mounting plate and the upper end plate.
6. A multi-cartridge water purification apparatus as recited in claim 1, wherein: the upper end of the hollow connecting pipe is sleeved with at least one upper O-shaped ring, and an upper annular bulge is arranged at the lower part of the at least one upper O-shaped ring, so that the upper end of the hollow connecting pipe is sealed and is inserted into the upper through hole in a limiting manner.
7. A multi-cartridge water purification apparatus as recited in claim 1, wherein: the lower end of the hollow connecting pipe is sleeved with at least one lower O-shaped ring, and a lower annular bulge is arranged on the upper part of the at least one lower O-shaped ring, so that the lower end of the hollow connecting pipe is sealed and is inserted into the lower through hole in a limiting manner.
8. A multi-cartridge water purification apparatus as recited in claim 1, wherein: the upper end plate is fixedly connected with the lower mounting plate, the upper end of the upper mounting plate is provided with threads, the upper end plate and the upper mounting plate sequentially penetrate through the upper end plate and the upper mounting plate from bottom to top, and the upper end of the upper mounting plate is tightly clamped with the upper mounting plate through the matching of nuts and the threads of the upper mounting plate.
9. A multi-cartridge water purification apparatus as recited in claim 8, wherein: the diameter of the supporting rod gradually increases from the upper end to the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551948.9A CN112125354B (en) | 2019-06-24 | 2019-06-24 | Multi-filter element water purifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551948.9A CN112125354B (en) | 2019-06-24 | 2019-06-24 | Multi-filter element water purifying device |
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| CN112125354A CN112125354A (en) | 2020-12-25 |
| CN112125354B true CN112125354B (en) | 2023-10-17 |
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| KR200390280Y1 (en) * | 2005-04-16 | 2005-07-22 | 김문주 | Filter cartridge for a water purifier |
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| CN104225998A (en) * | 2014-08-27 | 2014-12-24 | 江苏永尚能源科技有限公司 | Filter capable of replacing filter cores in sectional form |
| CN204310878U (en) * | 2014-11-18 | 2015-05-06 | 神弘企业股份有限公司 | Combined type filter kettle |
| CN204778926U (en) * | 2015-06-30 | 2015-11-18 | 江苏德立环保工程股份有限公司 | Useless water purifier of high -efficient bunk beds parallel |
| CN108341509A (en) * | 2018-04-19 | 2018-07-31 | 南京中船绿洲环保有限公司 | A kind of high-performance oil and water treatment equipment |
-
2019
- 2019-06-24 CN CN201910551948.9A patent/CN112125354B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08309158A (en) * | 1995-05-23 | 1996-11-26 | Toray Ind Inc | Water purifier |
| KR200390280Y1 (en) * | 2005-04-16 | 2005-07-22 | 김문주 | Filter cartridge for a water purifier |
| CN203694741U (en) * | 2013-11-30 | 2014-07-09 | 东莞市安默琳节能环保技术有限公司 | Magnetic filter capable of automatically blowing down continuously on line |
| CN104225998A (en) * | 2014-08-27 | 2014-12-24 | 江苏永尚能源科技有限公司 | Filter capable of replacing filter cores in sectional form |
| CN204310878U (en) * | 2014-11-18 | 2015-05-06 | 神弘企业股份有限公司 | Combined type filter kettle |
| CN204778926U (en) * | 2015-06-30 | 2015-11-18 | 江苏德立环保工程股份有限公司 | Useless water purifier of high -efficient bunk beds parallel |
| CN108341509A (en) * | 2018-04-19 | 2018-07-31 | 南京中船绿洲环保有限公司 | A kind of high-performance oil and water treatment equipment |
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| Publication number | Publication date |
|---|---|
| CN112125354A (en) | 2020-12-25 |
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