CN216946571U - Direct drinking water system - Google Patents
Direct drinking water system Download PDFInfo
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- CN216946571U CN216946571U CN202220858881.0U CN202220858881U CN216946571U CN 216946571 U CN216946571 U CN 216946571U CN 202220858881 U CN202220858881 U CN 202220858881U CN 216946571 U CN216946571 U CN 216946571U
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- 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
- Y02A20/152—Water filtration
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Abstract
The utility model discloses a direct drinking water system which comprises a raw water tank, a quartz sand filter, an active carbon filter and a flocculating agent dosing box, wherein the water outlet of the active carbon filter is connected with a precision filter through a pipeline, the water outlet of the precision filter is connected with an UF membrane group through a pipeline, the water outlet of the UF membrane group is connected with a pressure pump through a pipeline, the pressure pump is connected with an NF membrane group and an RO membrane group through a three-way pipe, a first water inlet valve is arranged at the water inlet of the NF membrane group, a second water inlet valve is arranged at the water inlet of the RO membrane group, the NF membrane group and the RO membrane group are of a parallel structure, and the water outlet of the NF membrane group and the water outlet of the RO membrane group are connected with a collecting pipe through a three-way pipe. According to the direct drinking water system disclosed by the utility model, the conductivity of the mixed water is adjusted by adjusting the opening degree of the first water inlet valve and the second water inlet valve, so that the direct drinking water system has the technical effect of higher flexibility.
Description
Technical Field
The utility model relates to the technical field of direct drinking water, in particular to a direct drinking water system.
Background
The direct drinking water is water which is obtained by deeply treating and purifying raw water by a special process, removing organic matters, bacteria and viruses in the raw water, retaining trace elements beneficial to human bodies in the water and outputting the trace elements to users for direct drinking. The direct drinking water has different water sources, and under the national standard, various available water sources can be used as raw water of the direct drinking water and are made into the direct drinking water after advanced treatment.
The patent with application number 201420496618.7 discloses a straight drinking water system for the purification treatment of raw water, including the ultrafiltration device, active carbon filter equipment, reverse osmosis unit and the circulation pipe network that loop through the transfer piping connection. The raw water is respectively filtered by the ultrafiltration device, the activated carbon filtration device and the reverse osmosis device and then is conveyed to each using point by the circulation pipe network for circulation supply. In the circulating pipe network, the water using points are connected in series, so that the sanitation and safety of direct drinking water are effectively guaranteed. However, in the existing direct drinking water system, because of the single filtering structure, the conductivity of the outlet water quality is not convenient to adjust, so the flexibility is poor when in use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a direct drinking water system, which aims to solve the technical problem that the flexibility is poor when in use because the conductivity of the quality of the discharged water is not convenient to adjust due to a single filtering structure in the conventional direct drinking water system.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a direct drinking water system, includes former water tank, former water tank has moist new valve through the raw water pump intercommunication, the quartz sand filter is connected to moist new valve's one end, quartz sand filter has the active carbon filter through the tube coupling, moist new valve with be provided with flocculating agent dosing tank between the raw water pump, flocculating agent dosing tank inserts through the dosing pump quartz sand filter with pipeline between the raw water pump, the delivery port of active carbon filter has the precision filter through the tube coupling, the delivery port of precision filter has UF membrane group through the tube coupling, the delivery port of UF membrane group has the force (forcing) pump through the tube coupling, the force (forcing) pump is connected with NF membrane group and RO membrane group through the three-way pipe group, the water inlet of NF membrane group is provided with first water intaking valve, the water inlet of RO membrane group is provided with second water intaking valve, the NF membrane group with the RO membrane group is parallelly connected structure, the water outlet of the NF membrane group and the water outlet of the RO membrane group are connected with a collecting pipe through a three-way pipe, and one end of the collecting pipe is connected with a pure water tank;
raw water enters a raw water tank and is conveyed by a raw water pump in a pressurized mode, the raw water sequentially passes through a quartz sand filter, an activated carbon filter, a precision filter and an UF membrane group, the pressurizing pump is used for pressurizing and is divided into two paths, one path of raw water is filtered through an NF membrane group, the other path of raw water is filtered through an RO membrane group, and water filtered by the NF membrane group and water filtered by the RO membrane group are mixed, wherein the NF membrane group and the RO membrane group have different desalination rates, and a NF nanofiltration membrane in the NF membrane group is a membrane element with 50% desalination rate and only can retain monovalent ions beneficial to a human body; the RO reverse osmosis membrane in the RO membrane group selects a membrane element with the desalination rate of 99.6 percent, the water produced by the NF membrane group and the water produced by the RO membrane group are mixed and blended, and the water quality with different conductivities can be conveniently adjusted by respectively adjusting the opening degree of the first water inlet valve and the second water inlet valve, so that the flexibility of a direct drinking water system is improved.
In a preferred scheme, a first conductivity detector is arranged at a water outlet of the NF membrane group, so that personnel can know the conductivity value of the outlet water of the NF membrane group conveniently.
In a preferred scheme, a second conductivity detector is arranged at the water outlet of the RO membrane module, so that personnel can know the conductivity value of the outlet water of the RO membrane module conveniently.
In a preferred scheme, a third conductivity detector is arranged in the middle of the collecting pipe, conductivity parameters of the mixed water quality can be known conveniently and rapidly by observing the third conductivity detector, and personnel can adjust the opening degree of the first water inlet valve and/or the second water inlet valve according to the parameters of the third conductivity detector, so that the conductivity of the mixed water can be adjusted.
In a preferred scheme, a concentrated water pipe of the UF membrane group is communicated with the raw water tank, a pipeline mixer is arranged between the dosing pump and the quartz sand filter, the UF membrane group is an ultrafiltration membrane, wastewater (concentrated water) generated by ultrafiltration of the UF membrane group completely enters the raw water tank, the substances mainly removed by the UF membrane group through the ultrafiltration membrane are suspended matters, colloids, particles and organic matters, a flocculating agent is added before the water containing part of impurities enters the raw water tank and then enters the quartz sand filter, the flocculating agent is completely mixed with the water through the pipeline mixer and then is completely filtered through the quartz sand filter, and the water is removed from the filter body when the quartz sand is backwashed, so that the concentrated water of the UF membrane group is utilized, a concentrated water receiving device of the UF membrane group is reduced, and zero emission of the UF membrane group is realized.
In a preferable scheme, respirators are arranged on the raw water tank and the pure water tank, the respirators are used for keeping air pressure in the tank body and preventing external bacteria from entering the tank body, a backwashing pump is arranged between the flocculating agent dosing tank and the raw water tank, and the backwashing pump and the raw water pump are in a parallel connection structure.
From the above, a straight drinking water system, includes former water tank, former water tank has moist new valve through the former water pump intercommunication, the quartz sand filter is connected to the one end of moist new valve, the quartz sand filter has the active carbon filter through the tube coupling, moist new valve with be provided with flocculating agent dosing tank between the former water pump, flocculating agent dosing tank inserts through the dosing pump quartz sand filter with pipeline between the former water pump, the delivery port of active carbon filter has the precision filter through the tube coupling, the delivery port of precision filter has the UF membrane group through the tube coupling, the delivery port of UF membrane group has the force (forcing) pump through the tube coupling, the force (forcing) pump is connected with NF membrane group and RO membrane group through the three-way pipe group, the water inlet of NF membrane group is provided with first water intaking valve, the water inlet of RO membrane group is provided with the second water intaking valve, the NF membrane group with the RO membrane group is parallel connection structure, the water outlet of the NF membrane group and the water outlet of the RO membrane group are connected with a collecting pipe through a three-way pipe, and one end of the collecting pipe is connected with a pure water tank. According to the direct drinking water system provided by the utility model, the conductivity of the mixed water is adjusted by adjusting the opening degree of the first water inlet valve and the second water inlet valve, so that the direct drinking water system has the technical effect of higher flexibility.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic structural diagram of a direct drinking water system provided by the utility model.
Fig. 2 is a schematic view of a partial structure of a direct drinking water system provided by the utility model.
Fig. 3 is a partial structural block diagram of a direct drinking water system provided by the utility model.
In the drawings: 1. a raw water tank; 2. a backwash pump; 3. a flocculant dosing tank; 4. a raw water pump; 5. moistening a new valve; 6. a quartz sand filter; 7. an activated carbon filter; 8. a precision filter; 9. a UF membrane group; 10. a pressure pump; 11. a first water inlet valve; 12. a second water inlet valve; 13. NF membrane group; 14. a first conductivity detector; 15. an RO membrane group; 16. a second conductivity detector; 17. a third conductivity detector; 18. a pure water tank; 19. cleaning the reserved pipe; 20. a concentrated water pipe; 21. a water storage tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The direct drinking water system disclosed by the utility model is mainly applied to the existing direct drinking water system, and the single filtering structure is inconvenient for adjusting the conductivity of the water quality of the discharged water, so that the scene with poor flexibility in use is realized.
Referring to fig. 1, a direct drinking water system comprises a raw water tank 1, the raw water tank 1 is communicated with a wetting and refreshing valve 5 through a raw water pump 4, one end of the wetting and refreshing valve 5 is connected with a quartz sand filter 6, the quartz sand filter 6 is connected with an active carbon filter 7 through a pipeline, a flocculating agent dosing tank 3 is arranged between the wetting and refreshing valve 5 and the raw water pump 4, the flocculating agent dosing tank 3 is connected to a pipeline between the quartz sand filter 6 and the raw water pump 4 through a dosing pump, a water outlet of the active carbon filter 7 is connected with a precision filter 8 through a pipeline, a water outlet of the precision filter 8 is connected with an UF membrane group 9 through a pipeline, a water outlet of the UF membrane group 9 is connected with a pressure pump 10 through a pipeline, the pressure pump 10 is connected with an NF membrane group 13 and an RO membrane group 15 through a tee pipe, a water inlet of the NF membrane group 13 is provided with a first water inlet valve 11, a water inlet of the RO membrane group 15 is provided with a second water inlet valve 12, the NF membrane group 13 and the RO water inlet valve group 15 are in parallel connection, the water outlet of the NF membrane group 13 and the water outlet of the RO membrane group 15 are connected with a collecting pipe through a three-way pipe, and one end of the collecting pipe is connected with a pure water tank 18.
Raw water enters a raw water tank 1 and is conveyed by a raw water pump 4 in a pressurized mode, the raw water sequentially passes through a quartz sand filter 6, an active carbon filter 7, a precision filter 8 and a UF membrane group 9, a pressurizing pump 10 is used for pressurizing and is divided into two paths, one path of raw water is filtered through an NF membrane group 13, the other path of raw water is filtered through an RO membrane group 15, and water filtered by the NF membrane group 13 and the water filtered by the RO membrane group 15 are mixed, wherein the NF membrane group 13 and the RO membrane group 15 have different desalination rates, and a NF nanofiltration membrane in the NF membrane group 13 is a membrane element with a desalination rate of 50%, and only monovalent ions beneficial to a human body can be reserved; the RO reverse osmosis membrane in the RO membrane group 15 selects a membrane element with the desalination rate of 99.6 percent, the conductivity water quality and the pH value of the produced water are lower (about 6.8), namely common purified water, the water produced by the NF membrane group 13 and the water produced by the RO membrane group 15 are mixed and blended, the water quality with different conductivity can be conveniently adjusted by respectively adjusting the opening degree of the first water inlet valve 11 and the second water inlet valve 12, so that the flexibility of the direct drinking water system is improved, the adjustment is convenient, and the shutdown and production stop are not needed.
In a preferred embodiment, a first conductivity detector 14 is disposed at the water outlet of the NF membrane module 13, so that a person can know the conductivity value of the outlet water of the NF membrane module 13, a second conductivity detector 16 is disposed at the water outlet of the RO membrane module 15, so that the person can know the conductivity value of the outlet water of the RO membrane module (15), a third conductivity detector 17 is disposed in the middle of the collecting pipe, and the person can know the conductivity parameter of the mixed water quality quickly by observing the third conductivity detector 17, so that the person can adjust the opening and closing degree of the first water inlet valve 11 and/or the second water inlet valve 12 according to the parameter of the third conductivity detector 17, thereby adjusting the conductivity of the mixed water.
Wherein, NF membrane group 13, UF membrane group 9 and RO membrane group 15 all are provided with the sample valve, be convenient for detect the quality of water at corresponding position at any time through the sample valve, be provided with the manometer on the precision filter 8, detect the pressure situation in the precision filter 8 through the manometer, all be provided with the respirator on former water tank 1 and the pure water case 18, the respirator of setting is arranged in keeping the atmospheric pressure in the box, avoid during external bacterium gets into the box, be provided with backwash pump 2 between flocculating agent dosing tank 3 and the former water tank 1, backwash pump 2 is parallelly connected structure with former water pump 4.
Wherein, the UF membrane group 9 is provided with a cleaning reserved pipe 19, and the top of the precision filter 8 is provided with an air release valve.
Referring to fig. 2, in a preferred embodiment, a concentrate pipe 20 of the UF membrane group 9 is communicated with the raw water tank 1, a pipeline mixer is disposed between the dosing pump and the quartz sand filter 6, the UF membrane group 9 is an ultrafiltration membrane, all wastewater (concentrate) generated by ultrafiltration of the UF membrane group 9 enters the raw water tank 1, the substances mainly removed by the UF membrane group 9 through the ultrafiltration membrane are suspended substances, colloids, particles and organic substances, a flocculant is added before the water containing the part of impurities enters the raw water tank 1 and enters the quartz sand filter 6, the flocculant and the water are completely mixed through the pipeline mixer, the water is completely filtered through the quartz sand filter 6, and the concentrate is removed from the filter when the quartz sand is back-flushed, so that the concentrate of the UF membrane group 9 is utilized, a concentrate receiving device of the UF membrane group 9 is reduced, and zero emission of the UF membrane group 9 is realized.
Referring to fig. 3, in a preferred embodiment, still include water storage tank 21 and ultrasonic wave defoamer, the output of ultrasonic wave defoamer is placed in water storage tank 21, and water storage tank 21 passes through the elevator pump and communicates with former water tank 1, and the vibrting spear of ultrasonic wave defoamer is located water storage tank 21, makes the gas content of aquatic in water storage tank 21 reduce through the ultrasonic wave defoamer, is convenient for promote filtration efficiency after reducing the gas content in aquatic.
The working principle is as follows: when the device is used, raw water enters a raw water tank 1 and is conveyed by a raw water pump 4 in a pressurizing mode, the raw water sequentially passes through a quartz sand filter 6, an active carbon filter 7, a precision filter 8 and a UF membrane group 9, a pressurizing pump 10 is used for pressurizing and is divided into two paths, one path of raw water passes through an NF membrane group 13 and the other path of raw water passes through an RO membrane group 15, the water filtered by the NF membrane group 13 and the water filtered by the RO membrane group 15 are mixed, wherein the NF membrane group 13 and the RO membrane group 15 have different desalination rates, and a NF nanofiltration membrane in the NF membrane group 13 is a membrane element with a desalination rate of 50%, so that only monovalent ions beneficial to a human body can be reserved; the RO reverse osmosis membrane in the RO membrane group 15 selects a membrane element with a desalination rate of 99.6 percent, the conductivity water quality and the pH value of the produced water are relatively low (about 6.8), namely common purified water, the water produced by the NF membrane group 13 and the water produced by the RO membrane group 15 are mixed and blended, and the water quality with different conductivity can be conveniently adjusted by respectively adjusting the opening degree of the first water inlet valve 11 and the second water inlet valve 12, so that the flexibility of a direct drinking water system is improved.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitution may be of partial structures, devices, method steps, or may be a complete solution. The technical solution and the inventive concept thereof according to the present invention should be covered by the protection scope of the present invention by equivalent substitution or change.
Claims (10)
1. The utility model provides a direct drinking water system, includes former water tank (1), former water tank (1) has moist new valve (5) through former water pump (4) intercommunication, quartz sand filter (6) are connected to the one end of moist new valve (5), quartz sand filter (6) have active carbon filter (7) through the tube coupling, moist new valve (5) with be provided with flocculating agent dosing tank (3) between former water pump (4), flocculating agent dosing tank (3) insert through the dosing pump quartz sand filter (6) with pipeline between former water pump (4), its characterized in that, the delivery port of active carbon filter (7) has precision filter (8) through the tube coupling, the delivery port of precision filter (8) has UF membrane group (9) through the tube coupling, the delivery port of UF membrane group (9) has force (forcing) pump (10) through the tube coupling, the pressure pump (10) is connected with an NF membrane group (13) and an RO membrane group (15) through a three-way pipe, a first water inlet valve (11) is arranged at a water inlet of the NF membrane group (13), a second water inlet valve (12) is arranged at a water inlet of the RO membrane group (15), the NF membrane group (13) and the RO membrane group (15) are of a parallel structure, a water outlet of the NF membrane group (13) and a water outlet of the RO membrane group (15) are connected with a confluence pipe through the three-way pipe, and one end of the confluence pipe is connected with a pure water tank (18).
2. A direct drinking water system according to claim 1, wherein a first conductivity detector (14) is arranged at the water outlet of the NF membrane group (13).
3. A direct drinking water system according to claim 2, wherein the water outlet of the RO membrane module (15) is provided with a second conductivity detector (16).
4. A direct drinking water system according to claim 3, wherein a third conductivity detector (17) is arranged in the middle of the manifold.
5. A direct drinking water system according to claim 1, wherein the concentrate pipe (20) of the UF membrane group (9) is communicated with the raw water tank (1), and a pipe mixer is provided between the dosing pump and the quartz sand filter (6).
6. A direct drinking water system according to claim 1, wherein said NF membrane group (13), said UF membrane group (9) and said RO membrane group (15) are provided with sampling valves.
7. A direct drinking water system according to claim 1, wherein a pressure gauge is provided on the fine filter (8).
8. A direct drinking water system according to claim 1, wherein said raw water tank (1) and said purified water tank (18) are provided with respirators, a back washing pump (2) is provided between said flocculant dosing tank (3) and said raw water tank (1), and said back washing pump (2) and said raw water pump (4) are in parallel connection.
9. A direct drinking water system according to claim 1, further comprising a water storage tank (21) and an ultrasonic defoamer, wherein the output end of the ultrasonic defoamer is placed in the water storage tank (21), and the water storage tank (21) is communicated with the raw water tank (1) through a lift pump.
10. A direct drinking water system according to claim 1, wherein the UF membrane bank (9) is provided with a washing reserve pipe (19), and the top of the fine filter (8) is provided with a gas release valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220858881.0U CN216946571U (en) | 2022-04-14 | 2022-04-14 | Direct drinking water system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220858881.0U CN216946571U (en) | 2022-04-14 | 2022-04-14 | Direct drinking water system |
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| CN216946571U true CN216946571U (en) | 2022-07-12 |
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| CN202220858881.0U Active CN216946571U (en) | 2022-04-14 | 2022-04-14 | Direct drinking water system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117306636A (en) * | 2023-12-01 | 2023-12-29 | 上海中韩杜科泵业制造有限公司 | Digital integrated multi-layer filtering water supply system |
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2022
- 2022-04-14 CN CN202220858881.0U patent/CN216946571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117306636A (en) * | 2023-12-01 | 2023-12-29 | 上海中韩杜科泵业制造有限公司 | Digital integrated multi-layer filtering water supply system |
| CN117306636B (en) * | 2023-12-01 | 2024-02-20 | 上海中韩杜科泵业制造有限公司 | Digital integrated multi-layer filtering water supply system |
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