CN221275510U

CN221275510U - Water purifying equipment for supplying water with multiple water qualities

Info

Publication number: CN221275510U
Application number: CN202322517018.6U
Authority: CN
Inventors: 邬慧文; 李靖; 袁功胜
Original assignee: Shanghai Pudow Shuihui Environmental Protection Technology Co ltd
Current assignee: Shanghai Pudow Shuihui Environmental Protection Technology Co ltd
Priority date: 2023-09-16
Filing date: 2023-09-16
Publication date: 2024-07-05
Anticipated expiration: 2033-09-16

Abstract

The utility model discloses a water purification device for multi-water quality water supply, including a water inlet pipe, one end of the water inlet pipe is connected to a PP cotton filter element, the outlet of the PP cotton filter element is connected to a compressed activated carbon filter element, the outlet of the compressed activated carbon filter element is connected to an ultrafiltration membrane filter element, the outlet of the ultrafiltration membrane filter element is connected to an ultrafiltration water distribution pipe, the ultrafiltration water distribution pipe is connected to an ultrafiltration water pipeline, the ultrafiltration water pipeline is provided with a flow regulating valve and a fourth flow meter, and the end of the ultrafiltration water distribution pipe is connected to an RO booster pump. The utility model can realize the adjustment of any TDS value from RO pure water to ultrafiltration water; because the mixed water is a mixture of ultrafiltration water and RO pure water, on the basis of the original RO pure water, while increasing ultrafiltration water, it also reduces the use of RO pure water, which can reduce the pressure of the RO membrane filter element, increase the service life of the RO membrane filter element, and reduce the water cost.

Description

Water purifying equipment for supplying water with multiple water qualities

Technical Field

The utility model relates to the technical field of water purifying equipment, in particular to water purifying equipment for multi-water quality water supply.

Background

The core technology of the commercial water purifier is a filter membrane in a filter element device, and common membrane filtration technologies include ultrafiltration membrane filtration technology, nanofiltration membrane filtration technology, RO membrane filtration technology and the like.

In the commercial water purification field, the demands of customers are various, the water quality difference in each place is also larger, and the single filtering technology is difficult to meet the various demands of customers. Customers need not only water made using conventional filtration techniques, but also water with customized TDS values, so that conventional single water purification devices are difficult to meet customer needs. The ultrafiltration membrane water purifier product has a filter pore diameter of 0.01 micron, retains sediment, colloid, algae, organic matters, bacteria and the like in water, simultaneously retains all mineral matters in water, and can basically meet the use requirements of household and business in areas with relatively small water pollution and low water hardness. However, when the water pollution is high and the hardness of the water quality is high, the water purifier product taking the ultrafiltration membrane as the main body cannot reduce the hardness of the water, and the phenomena of poor water outlet taste, scaling caused by boiling water and the like appear, so that the popularization is hindered because the water purifier product cannot be accepted by users. The filtration precision of the nanofiltration technology is between 0.001 and 0.0001 micron, the desalination rate can reach 60 to 70 percent, the water purification effect is remarkable, certain mineral substances are reserved relative to RO reverse osmosis membranes, but the phenomena of poor water outlet taste, scaling caused by water boiling and the like still exist in areas with high water quality hardness, and the TDS value of the water outlet cannot be adjusted at will. The RO membrane has a filtration precision of up to 0.0001 microns, almost filters all impurities except water, removes scale and maintains good taste of drinking water.

However, none of the above filtering techniques can meet the user's customized TDS requirements, and the TDS requirements are different for different customers, for example, the acceptable TDS range recommended by the coffee extraction water SCAA is 75-175mg/l, and in this region, it is desirable to extract coffee, but the TDS requirements are different for different customers. In order to meet the customized demands of customers for different water qualities, some water purification technologies are also presented in the water purification industry to realize the functions. For example, the ultrafiltration water and the RO water are mixed and regulated to prepare water with different TDS values, and the functions can be realized by combining and collocating the prior filtering technology. However, most products in the market are manually adjusted, and the adjustment is performed while measuring, and even if the target value is adjusted during the initial use, in the subsequent use, the TDS value is also changed correspondingly due to the influence of the water pressure, the change of the flow of the filter element, etc., however, the user may not be able to find the change in time.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a water purifying device for multi-water quality water supply.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a water purification unit of many quality of water supplies, includes the inlet tube, the one end of inlet tube is connected with the cotton filter core of PP, the exit linkage of the cotton filter core of PP has the compression active carbon filter core, the exit linkage of the compression active carbon filter core has the milipore filter core, the exit linkage of milipore filter core has the milipore filter shunt, be connected with the milipore filter pipeline on the milipore filter shunt, be provided with flow control valve and fourth flowmeter on the milipore filter pipeline, the end-to-end connection of milipore filter shunt has RO booster pump, the export of RO booster pump has first minute pipe, second minute pipe and third minute pipe through the cross connection, the end-to-end connection of first minute pipe has the storage water tank, the inside of storage water tank is provided with water level sensor and UV sterilamp, the end-to-end of second minute pipe and third minute pipe is connected with first RO membrane filter core and second RO membrane filter core respectively, the delivery port of first RO membrane filter core and second RO membrane filter core is connected with pure water pipeline jointly, be connected with mixing pipeline between RO pure water pipeline and the first minute pipe, be provided with first check valve on the mixing pipeline.

As a further description of the above technical solution:

A first pressure sensor is arranged between the PP cotton filter element and the compressed activated carbon filter element, a second pressure sensor is arranged between the compressed activated carbon filter element and the ultrafiltration membrane filter element, a low-pressure switch and a first electromagnetic valve are arranged on the ultrafiltration water diversion pipe, and the ultrafiltration water pipe is arranged between the low-pressure switch and the first electromagnetic valve.

As a further description of the above technical solution:

The waste water mouth of milipore filter core is connected with ultrafiltration waste water discharge pipe, be provided with the fifth solenoid valve on the ultrafiltration waste water discharge pipe, be connected with the ultrafiltration branch pipe between ultrafiltration shunt tube and the ultrafiltration water piping, be provided with the second solenoid valve on the ultrafiltration branch pipe.

As a further description of the above technical solution:

The first branch pipe is provided with a first TDS probe, an automatic flow regulating valve, a third electromagnetic valve, a second flowmeter and a second TDS probe, and the RO pure water pipeline is provided with the first flowmeter, the second one-way valve, the third TDS probe and a first high-voltage switch.

As a further description of the above technical solution:

the water outlet of the water storage tank is fixedly connected with a water outlet pump, the outlet of the water outlet pump is connected with a water diversion pipeline, and a second high-voltage switch is arranged on the water diversion pipeline.

As a further description of the above technical solution:

and the wastewater ports of the first RO membrane filter core and the second RO membrane filter core are connected with an RO wastewater discharge pipe together, and a third flowmeter and a fourth electromagnetic valve are arranged on the RO wastewater discharge pipe.

The utility model has the following beneficial effects:

Compared with the prior art, the water purifying equipment for multi-water quality water supply can realize the adjustment of any TDS value between RO pure water and ultrafiltration water; because the mixed water is ultrafiltration water and RO pure water, on the basis of the original RO pure water, the usage amount of RO pure water is reduced while the ultrafiltration water is increased, so that the pressure of the RO membrane filter core can be reduced, the service life of the RO membrane filter core is prolonged, and the water cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a water purifying apparatus for multi-water quality water supply according to the present utility model.

Legend description:

1. A PP cotton filter element; 2. compressing the activated carbon filter element; 3. an ultrafiltration membrane filter element; 4. a first RO membrane cartridge; 5. a second RO membrane cartridge; 6. a first pressure sensor; 7. a second pressure sensor; 8. a low voltage switch; 9. a first high voltage switch; 10. a second high voltage switch; 11. a first electromagnetic valve; 12. a second electromagnetic valve; 13. a third electromagnetic valve; 14. a fourth electromagnetic valve; 15. a fifth electromagnetic valve; 16. an automatic flow regulating valve; 17. RO booster pump; 18. a water outlet pump; 19. a first flowmeter; 20. a second flowmeter; 21. a third flowmeter; 22. a fourth flow meter; 23. a first TDS probe; 24. a second TDS probe; 25. a third TDS probe; 26. a first one-way valve; 27. a second one-way valve; 28. a flow regulating valve; 29. a water level sensor; 30. a UV germicidal lamp; 31. and a water storage tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present utility model provides a water purifying apparatus for multi-water quality water supply: the ultrafiltration device comprises a water inlet pipe, wherein one end of the water inlet pipe is connected with a PP cotton filter element 1, an outlet of the PP cotton filter element 1 is connected with a compressed activated carbon filter element 2, an outlet of the compressed activated carbon filter element 2 is connected with an ultrafiltration membrane filter element 3, an outlet of the ultrafiltration membrane filter element 3 is connected with an ultrafiltration shunt pipe, an ultrafiltration water pipeline is connected to the ultrafiltration shunt pipe, a flow regulating valve 28 and a fourth flowmeter 22 are arranged on the ultrafiltration water pipeline, a first pressure sensor 6 is arranged between the PP cotton filter element 1 and the compressed activated carbon filter element 2, a second pressure sensor 7 is arranged between the compressed activated carbon filter element 2 and the ultrafiltration membrane filter element 3, a low-pressure switch 8 and a first electromagnetic valve 11 are arranged on the ultrafiltration shunt pipe, the ultrafiltration water pipeline is arranged between the low-pressure switch 8 and the first electromagnetic valve 11, a waste water port of the ultrafiltration membrane filter element 3 is connected with an ultrafiltration waste water discharge pipe, a fifth electromagnetic valve 15 is arranged on the ultrafiltration wastewater shunt pipe and an ultrafiltration pipe is connected with an ultrafiltration branch pipe, and a second electromagnetic valve 12 is arranged on the ultrafiltration branch pipe;

The end of the ultrafiltration water diversion pipe is connected with an RO booster pump 17, the outlet of the RO booster pump 17 is connected with a first branch pipe, a second branch pipe and a third branch pipe through a four-way connection, the end of the first branch pipe is connected with a water storage tank 31, the water outlet of the water storage tank 31 is fixedly connected with a water outlet pump 18, the outlet of the water outlet pump 18 is connected with a water diversion pipeline, and a second high-voltage switch 10 is arranged on the water diversion pipeline;

The inside of storage water tank 31 is provided with water level sensor 29 and UV bactericidal lamp 30, the end that second divides the pipe and third divide the pipe is connected with first RO membrane filter core 4 and second RO membrane filter core 5 respectively, the delivery port of first RO membrane filter core 4 and second RO membrane filter core 5 is connected with RO pure water pipeline jointly, be provided with first TDS probe 23 on the first branch pipe, automatic flow control valve 16, third solenoid valve 13, second flowmeter 20, second TDS probe 24, be provided with first flowmeter 19 on the RO pure water pipeline, second check valve 27, third TDS probe 25, first high-pressure switch 9, be connected with the mixing pipeline between RO pure water pipeline and the first branch pipe, be provided with first check valve 26 on the mixing pipeline, first RO membrane filter core 4 is connected with RO waste water discharge pipe jointly with the waste water mouth of second RO membrane filter core 5, be provided with third flowmeter 21 and fourth solenoid valve 14 on the RO waste water discharge pipe.

Working principle:

When the system operates, the values of each flowmeter and each TDS are collected, the TDS value of the mixed water is compared with a set value, and the automatic flow regulating valve 16 is regulated according to the difference value, so that the TDS value of the mixed water is finally in the range of the set value;

the adjustable range of the TDS of the mixed water is between the TDS value of RO pure water and the TDS value of the mixed water; wherein the basic pure water is the pure water generated after filtration by an RO membrane filter core in the system, and the mixed water is the water which retains minerals after filtration by an ultrafiltration membrane;

When pure water and ultrafiltration water are mixed, unstable conditions can be caused to flow of two paths of water due to the influence of pressure, so that the TDS value of mixed water distribution can be greatly fluctuated, and in order to ensure the pressure stability of the two paths of water, a branch waterway of ultrafiltration water is arranged behind an RO booster pump 17, so that when the water is mixed, the RO booster pump 17 pressurizes an RO membrane filter element and the branch waterway of ultrafiltration water simultaneously, the pressure of the two paths of water is relatively stable, the pressure stable flow can be stable, and finally the TDS value fluctuation of the mixed water is relatively small.

The automatic flow regulating valve 16 arranged on the ultrafiltration water branch water way is a stepless regulating valve, so that the system can realize the regulation of any TDS value between RO pure water and ultrafiltration water; because the mixed water is obtained by mixing ultrafiltration water and RO pure water, the usage amount of RO pure water is reduced while the ultrafiltration water is increased on the basis of the original RO pure water, so that the pressure of an RO membrane filter core can be reduced, the service life of the RO membrane filter core is prolonged, and the water cost is reduced;

The back of the PP cotton filter element 1 and the back of the compressed activated carbon filter element 2 are respectively provided with a pressure sensor, and the service life of the filter element can be accurately judged through the change of the pressure value behind the filter element, so that a user can be informed of whether the filter element needs to be replaced and which filter element needs to be replaced in time;

The system outputs five kinds of water, namely ultrafiltration water, RO pure water, mixed water diversion, ultrafiltration wastewater and RO wastewater, and the ultrafiltration water is also divided into one path for modulating the mixed water diversion while meeting the ultrafiltration water, so a valve is arranged on an ultrafiltration water outlet pipeline to limit the flow of the discharged water; the RO pure water is also provided with a branch water channel for modulating mixed water diversion, but when the RO pure water is used, the branch water channel is automatically closed to ensure the normal use of the RO pure water;

The mixed water diversion is formed by mixing RO pure water and ultrafiltration water according to a set proportion, and then the mixed water is stored in a water storage tank 31, and a water level sensor 29 and a UV sterilizing lamp 30 are arranged in the water storage tank 31; the ultrafiltration wastewater is water filtered by the front PP cotton filter element 1 and the compressed activated carbon filter element 2, is not recommended to drink or make food, and can be used as washing water;

RO wastewater is the effluent of the concentrated water end of the RO membrane filter core, and is usually directly discharged and not used.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a water purification unit of many quality of water supplies, includes inlet tube, its characterized in that: the one end of inlet tube is connected with PP cotton filter core (1), the exit linkage of PP cotton filter core (1) has compression active carbon filter core (2), the exit linkage of compression active carbon filter core (2) has milipore filter core (3), the exit linkage of milipore filter core (3) has milipore filter shunt, be connected with the milipore filter pipeline on the milipore filter shunt, be provided with flow control valve (28) and fourth flowmeter (22) on the milipore filter pipeline, the end-to-end connection of milipore filter has RO booster pump (17), the export of RO booster pump (17) is connected with first minute pipe, second minute pipe and third minute pipe through the cross, the end-to-end connection of first minute pipe has storage water tank (31), the inside of storage water tank (31) is provided with water level sensor (29) and UV bactericidal lamp (30), the end-to-end connection of second minute pipe and third minute pipe has first RO membrane filter core (4) and second RO membrane filter core (5) respectively, first RO membrane core (4) and second RO membrane core (5) are connected with pure water pipe jointly, be connected with on the first pure water pipe and the second RO membrane filter core (5) respectively, be connected with the one-way mixing pipe between the pure water pipe.

2. A multi-quality water supply water purification apparatus as defined in claim 1, wherein: a first pressure sensor (6) is arranged between the PP cotton filter element (1) and the compressed activated carbon filter element (2), a second pressure sensor (7) is arranged between the compressed activated carbon filter element (2) and the ultrafiltration membrane filter element (3), a low-pressure switch (8) and a first electromagnetic valve (11) are arranged on the ultrafiltration water diversion pipe, and an ultrafiltration water pipeline is arranged between the low-pressure switch (8) and the first electromagnetic valve (11).

3. A multi-quality water supply water purification apparatus as defined in claim 1, wherein: the waste water mouth of milipore filter (3) is connected with ultrafiltration waste water discharge pipe, be provided with fifth solenoid valve (15) on the ultrafiltration waste water discharge pipe, be connected with the ultrafiltration branch pipe between ultrafiltration shunt tube and the ultrafiltration water piping, be provided with second solenoid valve (12) on the ultrafiltration branch pipe.

4. A multi-quality water supply water purification apparatus as defined in claim 1, wherein: the RO pure water pipeline is provided with a first TDS probe (23), an automatic flow regulating valve (16), a third electromagnetic valve (13), a second flowmeter (20) and a second TDS probe (24), and is provided with a first flowmeter (19), a second one-way valve (27), a third TDS probe (25) and a first high-voltage switch (9).

5. A multi-quality water supply water purification apparatus as defined in claim 1, wherein: the water outlet of the water storage tank (31) is fixedly connected with a water outlet pump (18), the outlet of the water outlet pump (18) is connected with a water diversion pipeline, and the water diversion pipeline is provided with a second high-pressure switch (10).

6. A multi-quality water supply water purification apparatus as defined in claim 1, wherein: the waste water port of the first RO membrane filter core (4) and the waste water port of the second RO membrane filter core (5) are connected with an RO waste water discharge pipe together, and a third flowmeter (21) and a fourth electromagnetic valve (14) are arranged on the RO waste water discharge pipe.