CN219297340U - Water purification system capable of backwashing - Google Patents
Water purification system capable of backwashing Download PDFInfo
- Publication number
- CN219297340U CN219297340U CN202320868140.5U CN202320868140U CN219297340U CN 219297340 U CN219297340 U CN 219297340U CN 202320868140 U CN202320868140 U CN 202320868140U CN 219297340 U CN219297340 U CN 219297340U
- Authority
- CN
- China
- Prior art keywords
- water purification
- water
- pipeline
- reverse osmosis
- osmosis membrane
- 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.)
- Active
Links
Images
Classifications
-
- 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
The utility model discloses a backwashing water purification system, which relates to the technical field of direct drinking water purification equipment and comprises a raw water tank, a pre-filtering component, a reverse osmosis membrane group and a water purification tank which are sequentially connected; a backwash pipeline is connected between the outlet end of the clean water tank and the outlet end of the reverse osmosis membrane group, and a backwash pump and a backwash electromagnetic control valve are also arranged on the backwash pipeline; an empty path is further arranged in parallel between the inlet end of the back flushing electromagnetic control valve and the outlet end of the back flushing electromagnetic control valve, and a back flushing regulating valve is further arranged on the empty path. The utility model adopts the filtered finished water to back flush the reverse osmosis membrane, so that not only can the impurities, microorganisms, organic matters and the like brought by back flush be effectively removed, but also the secondary pollution caused by back flush can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of direct drinking water purification equipment, in particular to a backwashing water purification system.
Background
The direct drinking water is also called healthy running water, refers to water which is free of pollution and degradation, meets the physiological needs of human bodies (contains beneficial mineral elements similar to the human bodies), has weak alkaline pH value, is also called activated water and healthy running water, is filtered by a reverse osmosis membrane and the like, kills viruses and bacteria in the water, filters off abnormal colors, peculiar smell, residual chlorine, ozone hydrogen sulfide, bacteria, viruses, heavy metals and the like in the water, blocks suspended particles, improves the water quality, and simultaneously retains trace elements beneficial to the human bodies.
Therefore, the reverse osmosis membrane plays a vital role in direct drinking water making equipment, and many impurity particles, microorganisms, organic matters and the like which cannot be seen by naked eyes are filtered through the core element of the reverse osmosis membrane, but the working efficiency of the reverse osmosis membrane can be gradually reduced and the service life is shortened along with the increase of the service time, so that the water outlet quality is affected. In order to ensure the quality of the effluent, the reverse osmosis membrane needs to be cleaned regularly at present, but untreated raw water (tap water) is generally used for back flushing of the reverse osmosis membrane at present, so microorganisms, organic matters and the like in the raw water are easy to remain on the membrane, the effect of thorough cleaning cannot be achieved, and the actual use requirements cannot be met.
Disclosure of Invention
The utility model aims to provide a water purification system capable of back flushing, which is characterized in that the back flushing is carried out on a reverse osmosis membrane by adopting filtered finished water, so that impurities, microorganisms, organic matters and the like caused by back flushing can be effectively removed, and secondary pollution caused by back flushing can be effectively avoided.
In order to achieve the aim of the utility model, the technical scheme adopted is as follows: a backwashing water purification system comprises a raw water tank, a pre-filtering component, a reverse osmosis membrane group and a water purification tank which are sequentially connected; a backwash pipeline is connected between the outlet end of the clean water tank and the outlet end of the reverse osmosis membrane group, and a backwash pump and a backwash electromagnetic control valve are also arranged on the backwash pipeline; an empty path is further arranged in parallel between the inlet end of the back flushing electromagnetic control valve and the outlet end of the back flushing electromagnetic control valve, and a back flushing regulating valve is further arranged on the empty path.
Further, the outlet end of the water purifying tank is also connected with a first sterilizer.
Furthermore, the outlet end of the first sterilizer is provided with a low-pressure pipeline and a high-pressure pipeline, and the low-pressure pipeline and the high-pressure pipeline are provided with first bacteria filters.
Further, pumping pumps are arranged between the original water tank and the pre-filtering component, between the pre-filtering component and the reverse osmosis membrane group, and between the first sterilizer and the first bacteria filter.
Furthermore, the inlet end of the original water tank is connected with a urban tap water pipe network.
Further, the pre-filter assembly comprises a multi-medium filter, an activated carbon filter and a cartridge filter which are sequentially arranged, and a descaling agent adding device is arranged between the activated carbon filter and the cartridge filter in parallel.
Further, the plurality of water purifying tanks are connected in parallel between the reverse osmosis membrane group and the first sterilizer, the upper ends of two adjacent water purifying tanks are connected with bypass passages, and the lower ends of two adjacent water purifying tanks are connected with sewage pipes.
Further, a connecting passage is connected between the bypass passage and the sewage pipeline, an ozone ejector is further installed on the connecting passage, and the ozone ejector is connected with ozone equipment.
Furthermore, a circulating pump is also arranged on the connecting passage.
Furthermore, a water return pipeline is further connected between the inlet end of the water purifying tank and the outlet end of the reverse osmosis membrane group, the outlet end of the water return pipeline is respectively connected with the outlet end of the low-pressure pipeline and the outlet end of the high-pressure pipeline, and the water return pipeline is further provided with a second bacteria filter and a second sterilizer in sequence.
The beneficial effects of the utility model are as follows:
according to the utility model, the backwash pipeline is connected between the outlet end of the clean water tank and the outlet end of the reverse osmosis membrane group, and purified water in the clean water tank is sent to the outlet end of the reverse osmosis membrane group through the backwash pipeline to backwash the reverse osmosis membrane group, so that impurities, microorganisms, organic matters and the like caused by backwash can be effectively removed, and secondary pollution caused by backwash can be effectively avoided.
By back flushing the reverse osmosis membrane group, the service time of the reverse osmosis membrane group can be effectively prolonged, the water production cost is saved, and higher profit is created.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.
Fig. 1 is a schematic structural diagram of a backwashable water purification system provided by the utility model.
The reference numerals and corresponding part names in the drawings:
1. the device comprises a raw water tank, 2 parts of a multi-medium filter, 3 parts of an activated carbon filter, 4 parts of a cartridge filter, 5 parts of a scale remover adding device, 6 parts of a reverse osmosis membrane group, 7 parts of a clean water tank, 8 parts of a backwash pipeline, 9 parts of a backwash pump, 10 parts of a backwash electromagnetic control valve, 11 parts of an empty path, 12 parts of a backwash adjusting valve, 13 parts of a first sterilizer, 14 parts of a first bacteria filter, 15 parts of a low-pressure pipeline, 16 parts of a high-pressure pipeline, 17 parts of a pumping pump, 18 parts of a city tap water pipe network, 19 parts of a bypass path, 20 parts of a connecting path, 21 parts of a sewage pipeline, 22 parts of an ozone device, 23 parts of an ozone jet device, 24 parts of a circulating pump, 25 parts of a second bacteria filter, 26 parts of a second sterilizer, 27 parts of a water return pipeline.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the utility model. It should be further noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision. The present utility model will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the back-washable water purification system provided by the utility model comprises a raw water tank 1, a pre-filtering component, a reverse osmosis membrane group 6 and a water purification tank 7 which are sequentially connected; the raw water tank 1 is used for storing tap water which is not purified, the water in the raw water tank 1 is subjected to primary filtration treatment through a pre-filtration assembly after being sent out, the reverse osmosis membrane set 6 is used for filtering the water subjected to primary filtration treatment again, dissolved salts, colloid, microorganisms, organic matters and the like in the water are removed, and the water purifying tank 7 is used for storing purified water after filtration.
A backwash pipeline 8 is connected between the outlet end of the clean water tank 7 and the outlet end of the reverse osmosis membrane group 6, a backwash pump 9 and a backwash electromagnetic control valve 10 are also arranged on the backwash pipeline 8, the backwash electromagnetic control valve 10 can control the opening and closing of the backwash pipeline 8, and pure water in the clean water tank 7 can be conveyed to the outlet end of the reverse osmosis membrane group 6 through the backwash pipeline 8 after being sent out by pumping the backwash pump 9 under the state that the backwash pipeline 8 is opened.
An empty path 11 is also arranged on the backwash pipeline 8 in parallel, one end of the empty path 11 is connected in parallel with the inlet end of the backwash electromagnetic control valve 10, and the other end of the empty path 11 is connected in parallel with the outlet end of the backwash electromagnetic control valve 10, so that the inlet end of the backwash pipeline 8 and the outlet end of the backwash pipeline 8 can be communicated through the empty path 11 when the backwash electromagnetic control valve is in a closed state; meanwhile, a back flushing regulating valve 12 is further arranged on the air path 11, and the back flushing regulating valve can regulate the flow of purified water passing through the air path 11, so that back flushing of the purified water on the reverse osmosis membrane group 6 is controlled, damage to the reverse osmosis membrane group 6 caused by overlarge water pressure of the purified water passing through the back flushing pipeline 8 is avoided, and the service life of the reverse osmosis membrane group 6 is ensured while the cleaning of the reverse osmosis membrane group 6 is ensured.
As a further improvement in this embodiment, the outlet end of the clean water tank 7 is further connected with a first sterilizer 13, the first sterilizer 13 is an ultraviolet sterilizer, and the ultraviolet sterilizer can sterilize the purified water sent out from the clean water tank 7, so that the quality of the purified water is ensured. Of course, in the case where sterilization of purified water is ensured, other sterilization devices than ultraviolet ray sterilization, for example, ozone sterilization or the like, may be employed for the first sterilizer 13.
As a further improvement in this embodiment, the outlet end of the first sterilizer 13 is provided with a low-pressure pipeline 15 and a high-pressure pipeline 16, and the inlet ends of the low-pressure pipeline 15 and the high-pressure pipeline 16 are connected with the outlet end of the first sterilizer 13 together, so that purified water sterilized by the first sterilizer 13 can be transported and discharged through corresponding pipelines according to the water pressure condition, thereby ensuring safe transportation and discharge of purified water and effectively reducing the damage of the pipelines; meanwhile, the first bacteria filter 14 is arranged on the low-pressure pipeline 15 and the high-pressure pipeline 16, and bacteria which are not completely killed by the first bacteria filter 14 can be filtered by the first bacteria filter 13, so that pure water sent out by the low-pressure pipeline 15 and the high-pressure pipeline 16 is ensured to be completely free of bacteria, the quality of the pure water is ensured, and people can drink the pure water directly in the later period, and drinking water is safer.
As a further improvement in this embodiment, a pumping pump 17 is installed between the raw water tank 1 and the pre-filtration module, between the pre-filtration module and the reverse osmosis membrane module 6, and between the first sterilizer 13 and the first bacteria filter 14, the pumping pump 17 between the raw water tank 1 and the pre-filtration module is used for pumping unfiltered tap water in the raw water tank 1 into the pre-filtration module for preliminary filtration, the pumping pump 17 between the pre-filtration module and the reverse osmosis membrane module 6 is used for pumping water after the preliminary filtration into the reverse osmosis membrane module 6 for reverse osmosis filtration, and the pumping pump 17 between the first sterilizer 13 and the first bacteria filter 14 is used for pumping sterilized purified water into the low-pressure pipeline 15 and the high-pressure pipeline 16 for bacteria filtration.
In the present utility model, in order to ensure the normal operation of the low pressure pipeline 15 and the high pressure pipeline 16, a pumping pump 17 may be disposed in parallel on both the low pressure pipeline 15 and the high pressure pipeline 16, so that when one pumping pump 17 on the low pressure pipeline 15 and the high pressure pipeline 16 cannot normally operate, the low pressure pipeline 15 and the high pressure pipeline 16 may also be pumped by the other pumping pump 17, thereby ensuring the normal supply of purified water.
As a further improvement in this embodiment, the inlet end of the original water tank 1 is connected with the city tap water pipe network 18, so that the tap water of the city tap water pipe network 18 can be directly sent into the original water tank 1 for storage, and no separate conveying pipeline is needed, so that the installation and use of the utility model are more convenient.
As a further improvement in the present embodiment, the pre-filter assembly includes a multi-media filter 2, an activated carbon filter 3, and a cartridge filter 4, which are disposed in this order; the multi-medium filter 2 is used for removing turbidity of tap water sent out by the original water tank 1, so that the turbidity of the tap water can reach below 3 ℃; the activated carbon filter 3 can primarily remove peculiar smell, organic matters, colloid, iron, residual chlorine and the like in tap water; the cartridge filter 4 can remove 100% of particulate matter of 0.01 μm or more from tap water. The preliminary filtration of tap water can be effectively completed through the common cooperation of the multi-medium filter 2, the activated carbon filter 3 and the cartridge filter 4.
The back-washable water purification system further comprises a scale remover adding device 5, wherein the scale remover adding device 5 can be connected in parallel to a pipeline connecting the activated carbon filter 3 and the cartridge filter 4, so that when the scale in the cartridge filter 4 needs to be removed, the scale remover adding device 5 conveys the scale remover into the cartridge filter 4, the scale in the cartridge filter 4 is dissolved by the scale remover, and after the scale is dissolved, the sewage is directly discharged from a sewage outlet of the cartridge filter 4, thereby not only ensuring the long-term use of the cartridge filter 4, but also ensuring the use effect of the cartridge filter 4.
As a further improvement in this embodiment, the number of the water purifying tanks 7 is plural, the water purifying tanks 7 are arranged in parallel, specifically, the inlet ends of the water purifying tanks 7 are all connected with the outlet ends of the reverse osmosis membrane module 6, the outlet ends of the water purifying tanks 7 are all connected with the inlet ends of the first sterilizer 13, so that purified water filtered by the reverse osmosis membrane module 6 can be respectively sent into the corresponding water purifying tanks 7 for storage as required, and purified water in each water purifying tank 7 can be sent into the first sterilizer 13 for sterilization.
The upper ends of the two adjacent water purifying tanks 7 are connected with a bypass passage 19, so that the upper ends of the two adjacent water purifying tanks 7 can be directly communicated through the bypass passage 19, and purified water in one water purifying tank 7 can be connected into the other water purifying tank 7 for supplementing through the bypass passage 19 when water in the other water purifying tank 7 is deficient; meanwhile, the lower ends of the two adjacent water purifying tanks 7 are commonly connected with a sewage draining pipeline 21, namely, the outlet ends of the two adjacent sewage draining pipelines 21 are connected in parallel, so that the two adjacent water purifying tanks 7 can drain sewage through the sewage draining pipeline 21, and sewage generated during cleaning or sewage generated under long-term precipitation of the water purifying tanks 7 can be directly discharged through the sewage draining pipeline 21.
In the present utility model, when the number of the fresh water tanks 7 is more than 2, the upper ends of the fresh water tanks 7 may be connected together through the same bypass passage 19, and at this time, the lower ends of the fresh water tanks 7 are connected together through the drain pipes 21, i.e., the outlet ends of the drain pipes 21 for water inflow are connected together in parallel.
As a further improvement in the present embodiment, a connection passage 20 is connected between the bypass passage 19 and the drain pipe 21, that is, one end of the connection passage 20 is communicated with the bypass passage 19, and the other end of the connection passage 20 is communicated with the drain pipe 21; meanwhile, an ozone ejector 23 is also installed on the connecting passage 20, and the ozone ejector 23 is connected with an ozone device 22, so that ozone generated by the ozone device 22 is sent into the connecting pipeline through the ozone ejector 23. When the sterilization treatment is required to be carried out in the clean water tank 7, the purified water on the upper layer of the clean water tank 7 enters the connecting pipeline through the bypass pipeline, meanwhile, ozone generated by the ozone equipment 22 is sent into the connecting pipeline through the ozone ejector 23, so that the purified water entering the connecting pipeline is mixed with ozone, the purified water mixed with ozone enters the sewage discharging pipeline 21 and then flows back to the lower end of the clean water tank 7, and enters the clean water tank 7 to be mixed with the original purified water in the clean water tank 7, and the sterilization treatment is realized on the purified water in the clean water tank 7.
In order to enable the purified water at the upper end of the purified water tank 7 to flow back to the lower end of the purified water tank 7 without sterilizing the purified water tank 7, a parallel pipeline can be connected in parallel to the connecting pipeline, specifically, two ends of the parallel pipeline are respectively connected with two sides of the ozone ejector 23 in parallel, and a regulating valve is arranged on the parallel pipeline, so that when the purified water in the purified water tank 7 does not need to be sterilized, the purified water at the upper end of the purified water tank 7 can flow back to the lower end of the purified water tank 7 through the bypass passage 19, the connecting passage 20 and the blowdown pipeline 21.
As a further improvement of the present embodiment, a circulation pump 24 may be further installed in the connection passage 20 so that the purified water at the upper end of the purified water tank 7 can smoothly flow back to the lower end of the purified water tank 7 through the bypass passage 19, the connection passage 20, and the drain pipe 21. In order to conveniently control the sewage drain pipeline 21, butterfly valves are arranged at the end of the sewage drain pipeline 21 connected with the clean water tank 7 and at the outlet end of the sewage drain pipeline 21.
As a further improvement in this embodiment, a water return pipeline 27 is further connected between the inlet end of the clean water tank 7 and the outlet end of the reverse osmosis membrane set 6, and the outlet ends of the water return pipeline 27 are respectively connected to the outlet ends of the low-pressure pipeline 15 and the high-pressure pipeline 16, so that when the clean water tank 7 is full of purified water or the purified water does not need to be stored in the clean water tank 7, the purified water obtained after filtration by the reverse osmosis membrane set 6 can be directly sent to the outlet ends of the low-pressure pipeline 15 and the high-pressure pipeline 16 through the water return pipeline 27 for discharge; meanwhile, in order to ensure that pure water directly conveyed through the water return pipeline 27 is kept clean absolutely, the water return pipeline 27 is sequentially provided with a second bacteria filter 25 and a second sterilizer 26, bacteria in the filtered pure water are filtered by the second bacteria filter 25, and the second sterilizer 26 is used for sterilizing the pure water after bacteria filtration again, so that the quality of the pure water is ensured.
In the utility model, because the reverse osmosis membrane group 6 is directly used in the prior art and the reverse osmosis membrane group 6 is provided with the sewage outlet, in the utility model, when purified water in the purified water tank 7 is backwashed to the outlet end of the reverse osmosis membrane group 6 through the backwash pipeline 8, the backwashed sewage can be directly discharged through the sewage outlet on the reverse osmosis membrane group 6.
When direct drinking water is required to be produced, the urban tap water pipe network 18 is fed into the raw water tank 1, tap water in the raw water tank 1 is sequentially fed through the pumping pump 17 and passes through the multi-medium filter 2, the activated carbon filter 3 and the security filter 4, the multi-medium filter 2 is used for removing turbidity of the tap water fed out from the raw water tank 1, the activated carbon filter 3 can primarily remove peculiar smell, organic matters, colloid, iron, residual chlorine and the like in the tap water, the security filter 4 can remove 0.01 mu m and more of particulate matters in the tap water by 100%, the tap water filtered by the security filter 4 enters the reverse osmosis membrane group 6, and the tap water is permeated through the reverse osmosis membrane group 6 and then is fed into the clean water tank 7 for storage; when the purified water in the purified water tank 7 needs to be sent out under high pressure, the purified water in the purified water tank 7 enters a high-pressure pipeline 16 after being sterilized by a first sterilizer 13, and is directly sent out after being filtered again by a first bacteria filter 14 on the high-pressure pipeline 16; when the purified water in the purified water tank 7 needs to be sent out at low pressure, the purified water in the purified water tank 7 enters the low-pressure pipeline 15 after being sterilized by the first sterilizer 13, and is directly sent out after being filtered again by the first bacteria filter 14 on the low-pressure pipeline 15.
When the reverse osmosis membrane group 6 is required to be backwashed, a backwash pipeline 8 is opened by a backwash electromagnetic control valve 10, purified water in the clean water tank 7 is pumped to the outlet end of the reverse osmosis membrane group 6 through the backwash pipeline 8 by a backwash pump 9, purified water entering the outlet end of the reverse osmosis membrane group 6 backflushes the reverse osmosis membrane group 6, and sewage generated after backflushing is directly discharged through a sewage outlet on the reverse osmosis membrane group 6.
In the utility model, in order to conveniently control the trend of the whole water flow, butterfly valves are arranged at the inlet end and the outlet end of a raw water tank 1, a multi-medium filter 2, a reverse osmosis membrane group 6, a clean water tank 7, a first sterilizer 13, a first bacteria filter 14, a second bacteria filter 26, a second bacteria filter 25 and the like; meanwhile, in order to monitor the pressure of the whole system, a pressure gauge, a pressure sensor and the like can be arranged on the inlet end of the multi-medium filter 2, the inlet end of the reverse osmosis membrane group 6, the low pressure pipeline 15 and the high pressure pipeline 16.
In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the present application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present utility model.
Claims (10)
1. The water purification system capable of backwashing is characterized by comprising a raw water tank (1), a pre-filtering component, a reverse osmosis membrane group (6) and a water purification tank (7) which are sequentially connected; a backwash pipeline (8) is connected between the outlet end of the clean water tank (7) and the outlet end of the reverse osmosis membrane group (6), and a backwash pump (9) and a backwash electromagnetic control valve (10) are also arranged on the backwash pipeline (8); an empty path (11) is further arranged in parallel between the inlet end of the back flushing electromagnetic control valve (10) and the outlet end of the back flushing electromagnetic control valve (10), and a back flushing regulating valve (12) is further arranged on the empty path (11).
2. The backwashable water purification system according to claim 1, wherein the outlet end of the fresh water tank (7) is further connected with a first sterilizer (13).
3. The back-washable water purification system according to claim 2, wherein the outlet end of the first sterilizer (13) is provided with a low-pressure pipeline (15) and a high-pressure pipeline (16), and the low-pressure pipeline (15) and the high-pressure pipeline (16) are provided with a first bacteria filter (14).
4. A backwashable water purification system according to claim 3, wherein a pumping pump (17) is installed between the raw water tank (1) and the pre-filter assembly, between the pre-filter assembly and the reverse osmosis membrane assembly (6), and between the first sterilizer (13) and the first bacteria filter (14).
5. A backwashable water purification system according to claim 1, 2 or 3, wherein the inlet end of the raw water tank (1) is connected to a mains water network (18).
6. A backwashable water purification system according to claim 1, 2 or 3, wherein the pre-filter assembly comprises a multi-media filter (2), an activated carbon filter (3) and a cartridge filter (4) which are arranged in sequence, and a detergent adding device (5) is arranged in parallel between the activated carbon filter (3) and the cartridge filter (4).
7. A backwashable water purification system according to claim 1, 2 or 3, wherein a plurality of water purification tanks (7) are provided, the plurality of water purification tanks (7) are connected in parallel between the reverse osmosis membrane module (6) and the first sterilizer (13) together, the upper ends of two adjacent water purification tanks (7) are connected with a bypass passage (19), and the lower ends of the two adjacent water purification tanks (7) are connected with a sewage drain pipeline (21) together.
8. The backwashable water purification system according to claim 7, wherein a connection passage (20) is connected between the bypass passage (19) and the sewage drain pipe (21), an ozone ejector (23) is further installed on the connection passage (20), and the ozone ejector (23) is connected with an ozone device (22).
9. The back-flushable water purification system of claim 8, wherein the connection passage (20) is further provided with a circulation pump (24).
10. A backwashable water purification system according to claim 3, wherein a water return pipeline (27) is further connected between the inlet end of the water purification tank (7) and the outlet end of the reverse osmosis membrane group (6), the outlet ends of the water return pipeline (27) are respectively connected with the outlet ends of the low-pressure pipeline (15) and the high-pressure pipeline (16), and a second bacteria filter (25) and a second sterilizer (26) are further sequentially arranged on the water return pipeline (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320868140.5U CN219297340U (en) | 2023-04-18 | 2023-04-18 | Water purification system capable of backwashing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320868140.5U CN219297340U (en) | 2023-04-18 | 2023-04-18 | Water purification system capable of backwashing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219297340U true CN219297340U (en) | 2023-07-04 |
Family
ID=86983300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320868140.5U Active CN219297340U (en) | 2023-04-18 | 2023-04-18 | Water purification system capable of backwashing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219297340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117211372A (en) * | 2023-11-09 | 2023-12-12 | 上海中韩杜科泵业制造有限公司 | Direct drinking water supply system |
-
2023
- 2023-04-18 CN CN202320868140.5U patent/CN219297340U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117211372A (en) * | 2023-11-09 | 2023-12-12 | 上海中韩杜科泵业制造有限公司 | Direct drinking water supply system |
| CN117211372B (en) * | 2023-11-09 | 2024-02-06 | 上海中韩杜科泵业制造有限公司 | Direct drinking water supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090289011A1 (en) | Mobile water purification system and method | |
| CN101481182A (en) | Reverse osmosis water production apparatus, water production method, and method for cleaning and maintaining reverse osmosis water production apparatus | |
| CN219297340U (en) | Water purification system capable of backwashing | |
| CN201284277Y (en) | Small-sized water purifying appliance | |
| CN219907291U (en) | Direct drinking water purifying system | |
| CN206886876U (en) | Intelligent high-purity water device | |
| CN209583711U (en) | Mutual backwashing ultrafiltration device | |
| CN115676974A (en) | Direct drinking water purification system and forward and reverse flushing method of ultrafiltration membrane group of direct drinking water purification system | |
| US20100032378A1 (en) | Effluent treatment process | |
| CN205420033U (en) | Water purification system of adjustable return of waste water | |
| CN211644812U (en) | Water purification system | |
| CN210645901U (en) | Short-flow double-membrane water treatment system | |
| CN208279391U (en) | Nanofiltration water system | |
| CN205773706U (en) | A kind of water-saving water purifier | |
| CN109607683A (en) | A kind of mutual backwashing ultrafiltration device | |
| CN218346330U (en) | High-quality drinking water frequency conversion water supply installation | |
| CN217972802U (en) | Pure two water machines of no waste water | |
| CN216639096U (en) | Double-water-quality pressure-stabilizing water leakage-proof system | |
| CN215249952U (en) | Small-size water supply integration water purification unit | |
| CN218811117U (en) | High-quality drinking water membrane filtration process system | |
| CN217297562U (en) | Spring direct drinking engineering water purification system | |
| CN216337073U (en) | Sea water desalination equipment | |
| CN213060517U (en) | Water purification unit and water purification system | |
| CN215049182U (en) | Multifunctional mobile emergency water purifying device | |
| CN214270464U (en) | Reverse osmosis seawater desalination cartridge filter rinse-system that disinfects |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |