CN210286987U - Ultra-filtration water purifying device capable of automatically backwashing - Google Patents
Ultra-filtration water purifying device capable of automatically backwashing Download PDFInfo
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- CN210286987U CN210286987U CN201920888425.9U CN201920888425U CN210286987U CN 210286987 U CN210286987 U CN 210286987U CN 201920888425 U CN201920888425 U CN 201920888425U CN 210286987 U CN210286987 U CN 210286987U
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Abstract
The utility model discloses an ultrafiltration purifier that can automatic back flush, include: water inlet line, filter equipment, outlet pipe way, blowdown pipeline, control system, filter equipment includes No. 1 filter core, No. 2 filter cores, No. 3 filter cores, No. 4 filter cores, No. 5 filter cores. The raw water inlet connects gradually No. 1 filter core, No. 2 filter core, No. 3 filter core through the relief pressure valve, No. 3 filter core is No. 4 filter cores via three solenoid valve one end, three solenoid valve third end is connected with No. 5 filter core delivery ports via 2 minutes T type three-way pipe, 2 minutes T type three-way pipe third end connects the water purification delivery port through the two-way solenoid valve, No. 4 filter core passes through the two-way solenoid valve and connects No. 5 filter cores, the back flush mouth of No. 5 filter core connects the two-way solenoid valve, through blowdown pipeline drainage. The automatic back-washing ultrafiltration water purification device utilizes the self-existing waterway to design the back-washing channel, does not need to add an additional washing filter element and a water tank, reduces the blockage of the ultrafiltration membrane, prolongs the service life of the ultrafiltration membrane, simplifies equipment and reduces cost.
Description
Technical Field
The utility model relates to the technical field of water purification, in particular to ultrafiltration purifier that can automatic back flush.
Background
At present, the water purifier is more and more widely used, and after the existing water purifier is used for a period of time, a large amount of bacteria, rust, colloid and other substances can be accumulated in the water purifying process. For the ultrafiltration water purifier, the micropores of the ultrafiltration membrane are less than 0.01 micron, so that the ultrafiltration membrane is easy to block in advance, and the service life of the ultrafiltration water purifier is influenced. If the timed back washing of the ultrafiltration water purifier can be realized, the service life of the ultrafiltration membrane can be prolonged, and the problem of blockage of the ultrafiltration membrane can be reduced.
Most of the existing ultrafiltration water purifiers on the market only design a water purification waterway and do not have a backwashing waterway, a sewage discharge outlet is arranged in the reverse osmosis filter element to discharge wastewater, but the reverse osmosis filter element is not backwashed, and the volume of the discharged wastewater is not less than the volume of the pure water, so that the water resource is greatly wasted. After the ultrafiltration machine uses the back washing function, only the back washing water which is far smaller than the volume of the purified water is used, so that the water resource is saved, the early blockage of the ultrafiltration membrane is reduced, and the service life of the ultrafiltration membrane is prolonged. The chinese patent application publication No. CN106904760A discloses an ultrafiltration water purifier with periodic backwashing, which realizes periodic backwashing of an ultrafiltration membrane, but has the disadvantages that a water storage tank needs to be additionally arranged, water in an additional water tank may breed bacteria, which causes inconvenience in use, and the equipment is complex, thereby greatly increasing the cost. Therefore, the development of the ultrafiltration water purifier with the backwashing function, simple equipment, convenient use and low cost has important significance for consumers.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a but automatic back flush ultrafiltration purifier of equipment is provided to simple, convenient to use, with low costs utilizes the back flush passageway of water route design certainly, need not to increase extra washing filter core and water tank, the jam of reducible milipore filter of while, extension milipore filter life-span.
In order to achieve the above object, the utility model provides an ultrafiltration purifier that can automatic back flush, include:
the filter device comprises a No. 1 ceramic filter element, a No. 2 front activated carbon filter element, a No. 3 sterilization filter element, a No. 4 rear activated carbon filter element and a No. 5 ultrafiltration filter element;
the raw water inlet is connected with the water inlet end of a No. 1 ceramic filter element through a water inlet pipeline, a pressure reducing valve is arranged on the water inlet pipeline, the water outlet end of the No. 1 ceramic filter element is connected with the water inlet end of a No. 2 preposed activated carbon filter element, the water outlet end of the No. 2 preposed activated carbon filter element is connected with the water inlet end of a No. 3 sterilization filter element, the water outlet end of the No. 3 sterilization filter element is connected with one end of a three-way electromagnetic valve, the second end of the three-way electromagnetic valve is connected with the water inlet end of a No. 4 postpositive activated carbon filter element, the water outlet end of the No. 4 postpositive activated carbon filter element is connected with the water inlet end of a No. 5 ultrafiltration filter element through a first and a second electromagnetic valve, the water outlet end of the No. 5 ultrafiltration filter element is connected with the first end of a 2-minute T-shaped three; the third end of the 2-branch T-shaped three-way pipe is connected with the third end of the three-way electromagnetic valve; the back-flushing water outlet end of the No. 5 ultrafiltration filter element is connected with one end of a third two-way electromagnetic valve, and the other end of the third two-way electromagnetic valve is connected with a back-flushing water outlet through a sewage discharge pipeline;
the three-way electromagnetic valve, the first two-way electromagnetic valve, the second two-way electromagnetic valve and the third two-way electromagnetic valve are all connected with the control system, and the opening or closing state of the three-way electromagnetic valve, the first two-way electromagnetic valve, the second two-way electromagnetic valve and the third two-way electromagnetic valve is controlled by the control system.
Furthermore, the No. 2 front activated carbon filter element is an activated carbon rod filter element.
Furthermore, No. 3 filter core that disinfects is the herojing filter core.
Furthermore, the No. 5 ultrafiltration filter core is composed of PVDF ultrafiltration membrane filaments.
Further, the control system comprises a computer control board.
Furthermore, the computer control panel can be provided with a water purification channel and a back washing channel which are automatically switched.
Further, the back flushing time can be set autonomously by the computer control board, or a default back flushing time can be selected.
Further, the control system has the following working procedures:
when being in the operating condition who produces pure water, this purifier's work flow is: the control system controls the three-way electromagnetic valve to open and communicate the 3 rd sterilization filter element, the 4 th postposition active carbon filter element, and control the first two-way electromagnetic valve, the second two-way electromagnetic valve is in an open state, the third two-way electromagnetic valve is in a closed state, tap water passes through the 1 st ceramic filter element by the raw water inlet via the pressure reducing valve, the 2 nd preposition active carbon filter element, the 3 rd sterilization filter element filters, water enters the 4 th postposition active carbon filter element and filters, the 5 th ultrafiltration filter element water inlet end is accessed by the first two-way electromagnetic valve, the filtered water flows out from the purified water outlet by the 2 minute T type three-way pipe, the second two-way electromagnetic valve, and.
When the water purifier is in a backwashing working state, the working process of the water purifier is as follows: the control system controls the three-way electromagnetic valve to be switched to be communicated with the No. 3 antibacterial filter element and the No. 2T-shaped three-way pipe, the third two-way electromagnetic valve is opened, the first two-way electromagnetic valve and the second two-way electromagnetic valve are closed, tap water passes through the No. 1 ceramic filter element, the No. 2 preposed activated carbon filter element and the No. 3 sterilization filter element from a raw water inlet through the pressure reducing valve and is filtered, then enters from a purified water outlet end of the No. 5 ultrafiltration filter element from a water outlet end of the No. 3 sterilization filter element through the three-way electromagnetic valve and the No. 2T-shaped three-way pipe, after the No. 5 ultrafiltration filter element is subjected to back flushing, wastewater flows out from a back flushing water outlet end.
The utility model has the advantages that:
(1) the ultrafiltration water purification device capable of automatically backwashing is provided, an automatic backwashing function is added into an ultrafiltration water purification system, a backwashing channel is designed by utilizing a self-owned waterway, and an additional washing filter element and a water tank are not required to be added;
(2) the problem of early blockage of part of the ultrafiltration membrane can be reduced, the service life of the ultrafiltration membrane is prolonged, and the replacement frequency of the ultrafiltration membrane is reduced; meanwhile, the sterilized purified water is used for back flushing, so that the problem that the total number of discharged water colonies exceeds the standard after back flushing is avoided;
(3) simple equipment, convenient use and low cost, and can be used for a domestic water purifier and the like.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic structural diagram of a first preferred embodiment of an ultrafiltration water purification device with automatic back flushing;
FIG. 2 is a schematic diagram of the flow direction of the water path of the ultrafiltration water purification device capable of automatic back flushing in the water purification working state in FIG. 1;
fig. 3 is a schematic diagram of the waterway flow direction of the ultrafiltration water purification device capable of automatic back flushing in the back flushing state in fig. 1.
In the drawings, respective symbols respectively represent: 1-raw water inlet; 2-a pressure reducing valve; no. 3-1 ceramic filter element; no. 4-2 activated carbon rod filter element; no. 5-3 sterilizing filter element; no. 6-4 active carbon filter element; no. 7-5 ultrafiltration core; 8-three-way electromagnetic valve; 9-a first two-way solenoid valve; 10-2 is divided into T-shaped three-way pipes; 11-a second two-way solenoid valve; 12-a third two-way solenoid valve; 13-a purified water outlet; 14-backflushing water discharge port; 15-a control system; 16-a water inlet pipeline; 17-a filtration device; 18-a water outlet pipeline; 19-a waste water line; the water inlet end of No. 20-5 ultrafiltration filter element; no. 21-5 ultrafiltration filter element water outlet end; no. 22-5 filter element back flushing water outlet end.
Detailed Description
The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, a schematic structural diagram of an ultrafiltration water purification device with automatic backwashing function in this embodiment includes: the filter device comprises a water inlet pipeline 16, a filter device 17, a water outlet pipeline 18, a sewage discharge pipeline 19 and a control system 15, wherein the filter device 17 comprises a No. 1 ceramic filter element 3, a No. 2 activated carbon rod filter element 4, a No. 3 sterilization filter element 5, a No. 4 activated carbon filter element 6 and a No. 5 ultrafiltration filter element 7;
the raw water inlet 1 is connected with the water inlet end of a No. 1 ceramic filter element 3 through a water inlet pipeline 16, a pressure reducing valve 2 is arranged on the water inlet pipeline 16, the water outlet end of the No. 1 ceramic filter element 3 is connected with the water inlet end of a No. 2 activated carbon rod 4, the water outlet end of the No. 2 activated carbon rod filter element 4 is connected with the water inlet end of a No. 3 sterilization filter element 5, the water outlet end of the No. 3 sterilization filter element 5 is connected with one end of a three-way electromagnetic valve 8, the second end of the three-way electromagnetic valve 8 is connected with the water inlet end of a No. 4 activated carbon filter element 6, the water outlet end of the No. 4 activated carbon filter element 6 is connected with the water inlet end 20 of a No. 5 ultrafiltration filter element 7 through a first and a second electromagnetic valve 9, the purified water outlet end 21 of the No. 5 ultrafiltration filter element 7 is connected with the first end of a No. 2T-type three-way pipe 10, the second end; the third end of the 2-branch T-shaped three-way pipe 10 is connected with the third end of the three-way electromagnetic valve 8; the back flush water outlet end 22 of the No. 5 ultrafiltration filter element 7 is connected with one end of a third two-way electromagnetic valve 12, and the other end of the third two-way electromagnetic valve 12 is connected with a back flush water outlet 14 through a sewage discharge pipeline 19;
the three-way electromagnetic valve 8, the first two-way electromagnetic valve 9, the second two-way electromagnetic valve 11 and the third two-way electromagnetic valve 12 are all connected with a control system 15 and are controlled by the control system 15. The control system 15 comprises a computer control panel, can automatically switch the water purification channel and the backwashing channel, and can automatically set the backwashing time through the computer control panel or select the default backwashing time.
Referring to fig. 2, when in an operating state of generating purified water, the working process of the water purifying apparatus according to embodiment 1 is as follows: the control system 15 controls the three-way electromagnetic valve 8 to communicate with the No. 3 sterilization filter element 5 and the No. 4 active carbon filter element 6, and controls the first two-way electromagnetic valve 9 and the second two-way electromagnetic valve 11 to be in an open state, the third two-way electromagnetic valve 12 is in a closed state, tap water passes through the No. 1 ceramic filter element 3 through the pressure reducing valve 2 by the raw water inlet 1, the No. 2 active carbon rod filter element 4 and the No. 3 sterilization filter element 5 for filtration, after the water enters the No. 4 active carbon filter element 6 for filtration, the water enters the water inlet end 20 of the No. 5 ultrafiltration filter element 7 through the first two-way electromagnetic valve 9, and the filtered water flows out from the water purifying port through the 2-division T-shaped three-way pipe.
Referring to fig. 3, when in the backwashing operation state, the water purifying apparatus according to embodiment 1 has the following working procedures: the control system 15 controls the three-way electromagnetic valve 8 to be switched to a three-way pipe 10 which is communicated with the No. 3 sterilization filter element 5 and a T-shaped pipe 2, the third two-way electromagnetic valve 12 is opened, the first two-way electromagnetic valve 9 and the second two-way electromagnetic valve 11 are closed, tap water enters from the raw water inlet 1 through the pressure reducing valve 2 and the No. 1 ceramic filter element 3, the No. 2 activated carbon rod filter element 4 and the No. 3 sterilization filter element 5 after being filtered, enters from the water outlet end of the No. 3 sterilization filter element 5 through the three-way electromagnetic valve 8 and the T-shaped pipe 10 from the purified water outlet end 21 of the No. 5 ultrafiltration filter element 7, and flows out from the back flush water outlet end 22 of the No. 5 ultrafiltration filter element through the third two-way electromagnetic valve 12 and the sewage discharge pipeline 19 from.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. An ultrafiltration purifier capable of automatic back flushing is characterized by comprising: the filter device comprises a No. 1 ceramic filter element, a No. 2 front activated carbon filter element, a No. 3 sterilization filter element, a No. 4 rear activated carbon filter element and a No. 5 ultrafiltration filter element;
the raw water inlet is connected with the water inlet end of a No. 1 ceramic filter element through a water inlet pipeline, a pressure reducing valve is arranged on the water inlet pipeline, the water outlet end of the No. 1 ceramic filter element is connected with the water inlet end of a No. 2 preposed activated carbon filter element, the water outlet end of the No. 2 preposed activated carbon filter element is connected with the water inlet end of a No. 3 sterilization filter element, the water outlet end of the No. 3 sterilization filter element is connected with the first end of a three-way electromagnetic valve, the second end of the three-way electromagnetic valve is connected with the water inlet end of a No. 4 postpositive activated carbon filter element, the water outlet end of the No. 4 postpositive activated carbon filter element is connected with the water inlet end of a No. 5 ultrafiltration filter element through a first and a second electromagnetic valve, the water outlet end of the No. 5 ultrafiltration filter element is connected with the first end of a 2 minute T-shaped three-; the third end of the 2-branch T-shaped three-way pipe is connected with the third end of the three-way electromagnetic valve; the back-flushing water outlet end of the No. 5 ultrafiltration filter element is connected with one end of a third two-way electromagnetic valve, and the other end of the third two-way electromagnetic valve is connected with a back-flushing water outlet through a sewage discharge pipeline;
the three-way electromagnetic valve, the first two-way electromagnetic valve, the second two-way electromagnetic valve and the third two-way electromagnetic valve are all connected with the control system and are controlled to be opened or closed by the control system.
2. The ultrafiltration water purification device capable of automatic back flushing of claim 1, wherein the No. 2 front activated carbon filter element is an activated carbon rod filter element.
3. The ultrafiltration water purification device with automatic back flush of claim 1, wherein the No. 3 sterilizing filter element is a Heluojing filter element.
4. The ultrafiltration water purification device capable of automatic back flushing of claim 1, wherein the No. 5 ultrafiltration filter element is composed of PVDF ultrafiltration membrane filaments.
5. The automatically backflushable ultrafiltration water purification device of claim 1, wherein the control system comprises a computer control panel.
6. The ultrafiltration water purification device with automatic back flush of claim 5, wherein the computer control panel is configured to automatically switch between the water purification channel and the back flush channel.
7. The ultrafiltration water purification unit of claim 5 or 6, wherein the backwash time is set autonomously by the computer control board or a default backwash time is selected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920888425.9U CN210286987U (en) | 2019-06-13 | 2019-06-13 | Ultra-filtration water purifying device capable of automatically backwashing |
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| CN201920888425.9U CN210286987U (en) | 2019-06-13 | 2019-06-13 | Ultra-filtration water purifying device capable of automatically backwashing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023071755A1 (en) * | 2021-10-29 | 2023-05-04 | 珠海格力电器股份有限公司 | Water purification apparatus and flushing control method therefor, and water purification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023071755A1 (en) * | 2021-10-29 | 2023-05-04 | 珠海格力电器股份有限公司 | Water purification apparatus and flushing control method therefor, and water purification system |
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