CN210176649U

CN210176649U - Sanitary direct-drinking water purification system

Info

Publication number: CN210176649U
Application number: CN201920882636.1U
Authority: CN
Inventors: Lijie Lu; 陆利杰
Original assignee: SUZHOU PURIFICATION EQUIPMENT CO Ltd
Current assignee: SUZHOU PURIFICATION EQUIPMENT CO Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-03-24
Anticipated expiration: 2029-06-12

Abstract

The utility model relates to a water purification system is directly drunk to sanitary-grade, including leading water storage module, rearmounted water storage module leading water storage module and rearmounted water storage module between set gradually and disinfect filtration module, ultrafiltration module and receive and strain the module, purification system still including the cleaning module who is used for wasing this system. Through the use of the sterilization and filtration module, the ultrafiltration module and the nanofiltration module in the system, the purified water is sanitary and is suitable for drinking; meanwhile, through a CIP cleaning line and a clear water backwashing line in the cleaning module, double cleaning is realized, the cleaning effect is improved, and no cleaning dead angle and accumulated water exist; and the water in the system is always in a flowing state, so that the water quality is further ensured.

Description

Sanitary direct-drinking water purification system

Technical Field

The utility model relates to a purification technology field of drinking water especially relates to a water purification system is directly drunk to sanitary-grade that can directly drink.

Background

The direct drinking water uses natural surface water, underground water or tap water which meets the sanitary requirements of the water source of the drinking water as the water source, adopts advanced treatment means such as filtration, adsorption, membrane treatment, physical sterilization and the like to remove harmful substances which are toxic and harmful in the water and are not beneficial to health, reserves natural trace mineral ion components, and is continuously physically sterilized through a sanitary circulation pipe network and conveyed to each using point for people to directly drink safe, sanitary and healthy high-quality water. The serious pollution problem of the water quality in China makes people only be forbidden to safe direct drinking water; at present, a plurality of manufacturers in China release purified water purification terminals, which are directly arranged on a water outlet faucet and can directly drink water after being filtered by an internal filtering structure, but in the mode, an internal filter element needs to be periodically detached, cleaned or replaced, the steps are complicated, the cleaning or replacement is frequent, the cleaning or replacement needs to be performed for about 1 month, and particularly after the cleaning, whether the cleaning is thorough or not can not be timely judged, so that the method is not applicable; at present, direct drinking water is provided by adopting a direct drinking water system in many areas, the purification mode of the direct drinking water system mostly cannot meet the drinking water standard, regular cleaning is needed in the use process, CIP cleaning liquid needs to be introduced during cleaning, certain important parts can be cleaned independently in the cleaning process, and a large amount of preparation time is wasted.

Disclosure of Invention

The utility model aims to solve the technical problem that a sanitary direct drinking water purification system which realizes cleaning and saves cleaning time is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a sanitary-grade straight drinking water purification system, includes leading water storage module, rearmounted water storage module, leading water storage module include leading water tank, the first inlet channel at leading water tank top of intercommunication, set up in the first connecting tube of leading water tank bottom first inlet channel on set up the water intaking valve first connecting tube on set up connecting valve and electric pump, rearmounted water storage module include the finished product water tank, set up in the sixth connecting tube at finished product water tank top, set up in the first outlet conduit of finished product water tank bottom, first outlet conduit connect in the water supply mouth leading water storage module and rearmounted water storage module between set gradually and disinfect filtration module, ultrafiltration module and receive the filtration module, purification system still including the cleaning module who is used for wasing this system.

More specifically, a heating device for supplying hot water is arranged in the rear water storage module, the heating device is connected in parallel with an inlet and an outlet of the finished product water tank, and water at the outlet of the finished product water tank passes through the heating device and then is re-injected into the finished product water tank through the inlet of the finished product water tank.

Further specifically, a first ultraviolet sterilizer is arranged on the sixth connecting pipeline, and the return water of the water supply port passes through the first ultraviolet sterilizer and then is mixed with the inlet water of the sixth connecting pipeline to enter the finished product water tank.

More specifically, the sterilizing and filtering module comprises an activated carbon filter, a first safety filter and a second ultraviolet sterilizer which are connected in series through a connecting pipeline.

In a further embodiment, the ultrafiltration module comprises at least one ultrafilter.

More specifically, the nanofiltration module comprises at least one nanofiltration filter.

Further specifically, the cleaning module comprises a CIP cleaning line and a clear water backwashing line, and the CIP cleaning line is used for cleaning the preposed water storage module, the sterilization and filtration module, the ultrafiltration module and the nanofiltration module; the clean water backwashing line is used for cleaning the preposed water storage module, the sterilization and filtration module, the ultrafiltration module and the postposition water storage module.

Further specifically, the CIP cleaning line comprises a first cleaning pipeline connected to the top of the preposed water tank and an outlet of the nanofiltration module, and a second cleaning pipeline led out from the first cleaning pipeline and connected to an outlet of the ultrafiltration module; the first cleaning pipeline, the second cleaning pipeline and a water supply pipeline in the system form a cleaning loop.

Further specifically, the clean water backwashing line comprises a first backwashing pipeline connected to the top of the preposed water tank from the bottom of the finished product water tank and a second backwashing pipeline connected to the outlet of the nanofiltration module from the outlet of the ultrafiltration module; the first backwashing pipeline, the second backwashing pipeline and a water supply pipeline in the system form a backwashing loop.

The utility model has the advantages that: through the use of the sterilization and filtration module, the ultrafiltration module and the nanofiltration module in the system, the purified water is sanitary and is suitable for drinking; meanwhile, through a CIP cleaning line and a clear water backwashing line in the cleaning module, double cleaning is realized, the cleaning effect is improved, and no cleaning dead angle and accumulated water exist; and the water in the system is always in a flowing state, so that the water quality is further ensured.

Drawings

Fig. 1 is a schematic view of the inventive connection structure.

In the figure: 1. a front water storage module; 2. a sterilization and filtration module; 3. an ultrafiltration module; 4. a nanofiltration module; 5. a rear water storage module; 6. a first water inlet pipe; 7. a first connecting pipe; 8. a second connecting pipe; 9. a third connecting pipe; 10. a fourth connecting pipe; 11. a fifth connecting pipe; 12. a sixth connecting pipe; 13. a first outlet conduit; 14. a water supply port; 15. a concentrated water discharge pipe; 16. a water return pipe; 17. a first cleaning pipe; 18. a second cleaning pipe; 19. a second backwash pipe; 20. a first backwash conduit; 21. an activated carbon filter; 22. a first security filter; 23. a second ultraviolet sterilizer; 31. an ultrafilter; 41. a nanofilter; 51. a finished product water tank; 52. a first ultraviolet sterilizer; 53. an electric heater; 54. a second cartridge filter; 55. a hot water pipe; 101. a front water tank.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in figure 1, the sanitary direct drinking water purification system comprises a preposed water storage module 1 and a postposition water storage module 5, wherein a sterilization and filtration module 2, an ultrafiltration module 3 and a nanofiltration module 4 are sequentially arranged between the preposed water storage module 1 and the postposition water storage module 5, and the purification system further comprises a cleaning module for cleaning the system.

The prepositive water storage module 1 comprises a prepositive water tank 101, a first water inlet pipeline 6 communicated with the top of the prepositive water tank 101 and a first connecting pipeline 7 arranged at the bottom of the prepositive water tank 101, wherein a water inlet valve, a pressure gauge and a flow meter are arranged on the first water inlet pipeline 6, and a connecting valve, an electric pump, the pressure gauge, the flow meter and a one-way valve are arranged on the first connecting pipeline 7; meanwhile, a water outlet and a sampling valve are arranged at the bottom of the front water tank 101, the water outlet is used for discharging redundant water and cleaning water, the sampling valve is used for sampling water in the front water tank 101, and after sampling, detection is carried out to judge whether the water in the front water tank 101 is qualified.

The sterilizing and filtering module 2 comprises an active carbon filter 21, a first safety filter 22 and a second ultraviolet sterilizer 23, wherein an inlet of the active carbon filter 21 is connected to the first connecting pipeline 7, an outlet of the active carbon filter 23 is connected with an inlet of the first safety filter 22 through a second connecting pipeline 8, an outlet of the first safety filter 22 is connected with an inlet of the second ultraviolet sterilizer 23 through a third connecting pipeline 9, and an outlet of the second ultraviolet sterilizer 23 is connected with a fourth connecting pipeline 10; a water outlet is arranged on the second connecting pipeline 8, and a drain valve is arranged on the water outlet; a pressure gauge and a sampling valve are arranged on the third connecting pipeline 9, and a water outlet and a water discharge valve are arranged on the third connecting pipeline 9.

The ultrafiltration module 3 comprises an ultrafilter 31, or a plurality of ultrafilters 31 can be used in parallel, the inlet of the ultrafilter 31 is connected to the fourth connecting pipeline 10, and the outlet of the ultrafilter 31 is connected to the fifth connecting pipeline 11; a sampling valve, a one-way valve, an electromagnetic valve and a pressure gauge are arranged on the fourth connecting pipeline 10, and meanwhile, a water outlet and a water discharge valve are arranged on the fourth connecting pipeline 10; a drain port is provided at the tip of the ultrafilter 31 and a drain valve is provided at the drain port.

The nanofiltration module 4 comprises three nanofiltration devices 41, the three nanofiltration devices 41 are connected in parallel or in series, the inlet of the nanofiltration device 41 is connected with a fifth connecting pipeline 11, the outlet of the nanofiltration device is connected with a sixth connecting pipeline 12, and meanwhile, a concentrated water discharge pipeline 15 is arranged on the nanofiltration device 41 for direct discharge; a pressure gauge, a sampling valve, a connecting valve, an electromagnetic valve, a one-way valve, a flowmeter and an electric pump are arranged on the fifth connecting pipeline 11; meanwhile, a water outlet is arranged on the fifth connecting pipeline 11 and a water discharge valve is arranged on the water outlet; a sampling valve is arranged at each water outlet of the three nano filters 41; a pressure gauge, an electromagnetic valve and a flowmeter are arranged on the concentrated water discharge pipeline 15.

The rear water storage module 5 comprises a finished product water tank 51, a sixth connecting pipeline 12 arranged at the top of the finished product water tank 51 and a first water outlet pipeline 13 arranged at the bottom of the finished product water tank 51, wherein the first water outlet pipeline 13 is connected to a water supply port 14, a plurality of water supply ports 14 can be designed in parallel according to a water supply mode, a first ultraviolet sterilizer 52 is arranged on the sixth connecting pipeline 12, and a water return pipeline 16 is led out from the water supply port 14 to the inlet of the first ultraviolet sterilizer 52; the first water outlet pipeline 13 is provided with an electric pump, a flowmeter, a connecting valve, a one-way valve and an electromagnetic valve, and a water outlet is designed and provided with a drain valve; a second cartridge filter 54 disposed in the first outlet conduit 13; a pressure gauge and a sampling valve are provided in the piping between the second cartridge filter 54 and the water supply port 14, and a drain port and a drain valve are provided in the drain port. A drain opening is provided at the bottom of the product tank 51 and a drain valve is provided on the drain opening.

In order to provide direct drinking warm water, a hot water pipeline 55 is led out from the first water outlet pipeline 13, the hot water pipeline 55 is connected to a bottom water outlet and a top water inlet of the finished product water tank 51, an electric heater 53 is installed on the hot water pipeline 55, an electromagnetic valve, a water pump, a pressure gauge, a one-way valve, a flow meter and a manual valve are arranged on the hot water pipeline 55 between the electric heater 53 and the bottom water outlet of the finished product water tank 51, the electric heater 53 is connected to the hot water pipeline 55 in parallel, and connecting valves are arranged on pipelines of the inlet and the outlet of the electric heater 53.

The cleaning module comprises a CIP cleaning line and a clear water backwashing line, and the CIP cleaning line is used for cleaning the preposed water storage module 1, the sterilization and filtration module 2, the ultrafiltration module 3 and the nanofiltration module 4; the clean water backwashing line is used for cleaning the preposed water storage module 1, the sterilization and filtration module 2, the ultrafiltration module 3 and the postposition water storage module 5; wherein, the CIP cleaning line comprises a first cleaning pipeline 17 connected to the top of the preposed water tank 101 and a second cleaning pipeline 18 led out from the first cleaning pipeline 17 and connected to the outlet of the ultrafiltration module 3; the first cleaning pipeline 17, the second cleaning pipeline 18 and a water supply pipeline in the system form a cleaning loop; wherein, the clear water backwashing line comprises a first backwashing pipeline 20 connected to the top of the preposed water tank 101 from the bottom of the finished product water tank 51 and a second backwashing pipeline 19 connected to the outlet of the nanofiltration module 4 from the outlet of the ultrafiltration module 3; the first backwashing pipeline 20, the second backwashing pipeline 19 and a water supply pipeline in the system form a backwashing loop.

Based on the structure, the system can be controlled by a control center, and the control center controls the whole system to work by controlling the opening and closing of various valves, electric pumps, water pumps and electric heaters.

When the water is used for filtration, firstly, raw water enters the preposed water tank 101 through the first water inlet pipeline 6 for storage, then the water in the preposed water tank 101 is conveyed into the activated carbon filter 21 for filtration through the first connecting pipeline 7 by the electric pump to generate power, then the water is conveyed into the first safety filter 22 for filtration through the second connecting pipeline 8, then the water is conveyed into the second ultraviolet sterilizer 23 for sterilization and disinfection through the third connecting pipeline 9, then the water is conveyed into the ultrafilter 31 through the fourth connecting pipeline 10, the water is ultrafiltered in the ultrafilter 31 and then conveyed into the nanofilter 41 through the fifth connecting pipeline 11 for nanofiltration, the nanofilter 41 divides the filtered water into pure water and concentrated water, the pure water is conveyed into the finished product water tank 51 for storage through the first ultraviolet sterilizer 52 through the sixth connecting pipeline 12, and the concentrated water is discharged through the concentrated water discharge pipeline 15; the finished product water tank 51 conveys direct drinking water to the water supply port 14 after passing through the second security filter 54 through the first water outlet pipeline 13, and the water supply port 14 is connected with a water using pipeline; when hot water is needed, water in the finished product water tank 51 is heated by the electric heater 53 through the water pump and then is injected into the finished product water tank 51 again, and then warm water is supplied to the water supply port 14 through the finished product water tank 51; the water supply pipeline is provided with a return water pipeline 16 through a water supply port 14, the return water pipeline 16 sends the return water to the inlet of the first ultraviolet sterilizer 52, and the water is sterilized again and then is injected into the finished product water tank 51 to enable the water to move.

When the system needs to be cleaned, the CIP cleaning is carried out through a CIP cleaning line in the first step, CIP cleaning liquid is added through the first cleaning pipeline 17 and is introduced into the preposed water tank 101, and then the CIP cleaning liquid is discharged after passing through the first connecting pipeline 7, the activated carbon filter 21, the second connecting pipeline 8, the first safety filter 22, the third connecting pipeline 9, the second ultraviolet sterilizer 23, the fourth connecting pipeline 10, the ultrafilter 31, the fifth connecting pipeline 11, the nanofilter 41 and the finished product water tank 51 in sequence; when only the prepositive water tank 101 and the activated carbon filter 21 are cleaned, the water is directly drained from the activated carbon filter 21; when only ultrafilter 31 is cleaned, CIP cleaning liquid is supplied to fifth connecting line 11 through first cleaning line 17 and second cleaning line 18, and is reversely fed into ultrafilter 31 through fifth connecting line 11 to clean it; when only the finished product water tank 51 is cleaned, the CIP cleaning liquid is introduced into the finished product water tank 51 through the first cleaning pipeline 17 and then discharged; secondly, washing with water through a clean water backwashing line, and conveying pure water to each module for cleaning through a first backwashing pipeline 20 at the bottom of a finished product water tank 51, wherein the first backwashing pipeline 20, a heating pipeline 55, a first cleaning pipeline 17 and a second cleaning pipeline 18 share one pipeline; since the nanofiltration device 41 does not need to be cleaned during the water washing process, the second backwash pipe 19 connected from the outlet of the ultrafiltration device 31 to the outlet of the nanofiltration device 41 bypasses the nanofiltration device 41 and may also drain directly on the second backwash pipe 19.

In conclusion, the system realizes the functions of supplying cold water and hot water, and simultaneously realizes the effects of CIP cleaning and water backwashing by directly using a combined pipeline without dead angles and accumulated water; the water treated by the system can be sanitary direct drinking water, mineral elements of calcium and magnesium beneficial to human bodies are reserved, no dead water exists, and the water quality is improved.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a water purification system is directly drunk to sanitary-grade, includes leading water storage module (1), rearmounted water storage module (5), leading water storage module (1) including leading water tank (101), first inlet channel (6) at leading water tank (101) top of intercommunication, set up in first connecting tube (7) of leading water tank (101) bottom first inlet channel (6) on set up the water intaking valve first connecting tube (7) on set up connecting valve and electric pump, rearmounted water storage module (5) including finished product water tank (51), set up in sixth connecting tube (12) at finished product water tank (51) top, set up in first outlet conduit (13) of finished product water tank (51) bottom, first outlet conduit (13) connect in supply port (14), its characterized in that leading module (1) and rearmounted water storage module (5) between set gradually and disinfect filter module (2), Ultrafiltration module (3) and nanofiltration module (4), clean system still include the washing module that is used for wasing this system.

2. A sanitary direct drinking water purification system according to claim 1, wherein a heating device for providing warm water is arranged in the post-water storage module (5), the heating device is connected in parallel with an inlet and an outlet of the finished water tank (51), and water at the outlet of the finished water tank (51) passes through the heating device and then is re-injected into the finished water tank (51) through the inlet of the finished water tank (51).

3. The sanitary direct drinking water purification system according to claim 1 or 2, wherein a first ultraviolet sterilizer (52) is arranged on the sixth connecting pipeline (12), and the return water of the water supply port (14) passes through the first ultraviolet sterilizer (52) and then is mixed with the inlet water of the sixth connecting pipeline (12) to enter the finished product water tank (51).

4. Sanitary direct drinking water purification system according to claim 1, wherein the sterilizing and filtering module (2) comprises an activated carbon filter (21), a first safety filter (22) and a second ultraviolet sterilizer (23) connected in series by a connecting pipe.

5. A sanitary-grade, direct-drinking water purification system according to claim 1, wherein the ultrafiltration module (3) comprises at least one ultrafilter (31).

6. A sanitary-grade, potable water purification system according to claim 1, characterized in that the nanofiltration module (4) comprises at least one nanofiltration filter (41).

7. The sanitary-grade direct drinking water purification system according to claim 1, wherein the cleaning module comprises a CIP cleaning line and a clear water backwashing line, and the CIP cleaning line is used for cleaning the preposed water storage module (1), the sterilization and filtration module (2), the ultrafiltration module (3) and the nanofiltration module (4); the clean water backwashing line is used for cleaning the preposed water storage module (1), the sterilization and filtration module (2), the ultrafiltration module (3) and the postposition water storage module (5).

8. The sanitary direct drinking water purification system according to claim 7, wherein the CIP cleaning circuit comprises a first cleaning pipe (17) connected to the top of the pre-tank (101) and the outlet of the nanofiltration module (4), and a second cleaning pipe (18) leading from the first cleaning pipe (17) and connected to the outlet of the ultrafiltration module (3); the first cleaning conduit (17), the second cleaning conduit (18) and the water supply conduit within the system form a cleaning circuit.

9. The sanitary direct drinking water purification system according to claim 7, wherein the fresh water backwash line comprises a first backwash pipe (20) connected from the bottom of the product water tank (51) to the top of the pre-tank (101) and a second backwash pipe (19) connected from the outlet of the ultrafiltration module (3) to the outlet of the nanofiltration module (4); the first backwashing pipeline (20), the second backwashing pipeline (19) and a water supply pipeline in the system form a backwashing loop.