CN214360559U

CN214360559U - Household water-saving nanofiltration membrane water purifier

Info

Publication number: CN214360559U
Application number: CN202022569262.3U
Authority: CN
Inventors: 张栋
Original assignee: Tianjin Chengyi Purifying Equipment Co ltd
Current assignee: Tianjin Chengyi Purifying Equipment Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-10-08
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a household water-saving nanofiltration membrane water purifier, relating to the technical field of nanofiltration membrane water purification; comprises a shell, an active carbon device, a pre-filter, a first-stage high-pressure water pump, a second-stage high-pressure water pump, a filter cartridge and a water filtering barrel; the upper side of the shell is fixedly connected with an active carbon device; a water collecting tank, a pre-filter and a first-stage high-pressure water pump are sequentially and fixedly connected below the filter plate; a nano filter cylinder is clamped inside the water filtering barrel, the bottom of the nano filter cylinder is connected with a waste water port, and the bottom of the water filtering barrel is connected with a water purifying port; the two waste water outlets are connected through a water return pipe, the other two ends of the water return pipe are respectively connected with a sewer pipe and a waste water outlet, and a section of the water return pipe communicated with the sewer pipe is fixedly connected with a secondary high-pressure water pump. This device sets up leading filter equipment, carries out prefilter to the data room, reduces the loss of receiving the filter membrane. Meanwhile, the wastewater generated in the first step of nanofiltration is repeatedly filtered, so that the water yield of purified water is increased, the proportion of the wastewater is reduced, and the method is economical and environment-friendly.

Description

Household water-saving nanofiltration membrane water purifier

Technical Field

The utility model relates to a receive filter membrane water purification technical field, specifically be a domestic water conservation receive filter membrane purifier.

Background

Municipal water purification equipment can only carry out basic filtration to drinking water, so that excessive impurities harmful to human bodies cannot exist in the drinking water, but inevitable small amount of impurities still exist in the drinking water and can affect human health, modern people pursue healthier life style, and usually choose to install additional high-purification-rate water purification equipment so as to improve the water quality of the drinking water.

The existing water purifiers receiving a large amount of feedback have the problems that firstly, the domestic water purifier has too high waste water generation rate, a large amount of water resources are wasted for use in daily life, and the water purification cost is increased; secondly, the water quality of partial areas is poor, the impurity content in tap water is too high, so that the replacement frequency of the filter membrane is extremely high, and the water purification cost cannot be borne.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic water conservation receive filter membrane purifier to solve the problem that provides among the above-mentioned background art. Through the circulation filtration, the waste water rate is reduced, the water resource utilization efficiency is improved, and the replacement frequency of the filter membrane is reduced.

In order to achieve the above object, the utility model provides a following technical scheme:

a household water-saving nanofiltration membrane water purifier comprises a shell, an active carbon device, a pre-filter, a first-stage high-pressure water pump, a second-stage high-pressure water pump, a filter cartridge and a water filtering barrel; the top of the shell is fixedly connected with a water inlet, and the bottom of the shell is fixedly connected with a purified water outlet and a waste water outlet; a horizontal filter plate is fixedly connected to the upper side of the shell, and an active carbon device is arranged above the filter plate; a water collecting tank, a sewer pipe, a pre-filter and a primary high-pressure water pump are fixedly connected below the filter plate in sequence; the lower water pipe is connected with two secondary lower water openings, the secondary lower water openings are inserted into the water filtering barrel, the inside of the water filtering barrel is clamped with the nano filtering barrel, the bottom of the nano filtering barrel is connected with the waste water opening, and the bottom of the water filtering barrel is connected with the water purifying opening; the two waste water outlets are connected through a water return pipe, the other two ends of the water return pipe are respectively connected with a sewer pipe and a waste water outlet, and a section of the water return pipe communicated with the sewer pipe is fixedly connected with a secondary high-pressure water pump.

As a further aspect of the present invention: the shell on the side of the active carbon device is fixedly connected with a material taking port, and a material feeding port is fixedly connected above the material taking port.

As a further aspect of the present invention: the water collecting tank is fixedly connected below the filter plate, a bottom plate of the water collecting tank inclines towards one side of the shell, and the bottom end of the bottom plate is connected with the first-level water outlet.

As a further aspect of the present invention: the top end of the sewer pipe is connected with a primary sewer opening, the sewer pipe is sequentially connected with a pre-filter and a primary high-pressure water pump, and the pre-filter and the primary high-pressure water pump are fixedly connected on the shell.

As a further aspect of the present invention: the side shell of the water filtering barrel is provided with a movable door plate, two ends of the water filtering barrel are fixedly connected with limiting clamping blocks on two sides of a second-stage water outlet and two sides of a waste water outlet, and the two ends of the second-stage water outlet and the top of the waste water outlet are fixedly connected with sealing rings.

As a further aspect of the present invention: the two water purifying ports are connected through a water purifying pipe, and the water purifying pipe is connected with a water purifying outlet on the shell.

As a further aspect of the present invention: the nano filter cartridge comprises communicating pipes at two ends and a nano filter membrane in the middle, the nano filter membrane is cylindrical, and two ends of the nano filter membrane are fixedly connected with the communicating pipes.

Compared with the prior art, the beneficial effects of the utility model are that:

by adopting the household water-saving nanofiltration membrane water purifier, the device is provided with the activated carbon device and the pre-filter before nanofiltration, tap water is primarily filtered, particulate matter impurities possibly contained in the water are removed, the purity of the tap water is improved, the problems that the nanofiltration membrane is blocked, the filtering efficiency is reduced and the service life of the nanofiltration membrane is reduced due to the fact that the impurities are accumulated on the nanofiltration membrane when the nanofiltration device is used for direct filtering are avoided, the number of the impurities capable of entering a filtration water tank is reduced, and the working efficiency of the nanofiltration membrane is improved;

the household water-saving nanofiltration membrane water purifier is adopted, in the water filtering barrel of the device, pure water filtered by tap water in the nanofiltration barrel is directly discharged from a water purifying port at the bottom of the water filtering barrel, the filtering time of waste water generated by filtering is short, the impurity content is not high, the waste water generated at the moment enters a water return pipe from a waste water port, enters a secondary high-pressure water pump for repeated pressurization and then enters a sewer pipe again, finally enters the nanofiltration barrel for repeated filtering again, more pure water is extracted, the concentration of the waste water is finally improved, the proportion of the waste water in the tap water is reduced, the waste water rate of the whole equipment is reduced, the economic cost is reduced, and the water resource is saved.

Drawings

Fig. 1 is a schematic structural diagram of a household water-saving nanofiltration membrane water purifier.

Fig. 2 is a schematic structural diagram of a nano filter cartridge in a household water-saving nanofiltration membrane water purifier.

Fig. 3 is a schematic side structure diagram of a household water-saving nanofiltration membrane water purifier.

In the figure: 1. a feeding port; 2. a water inlet; 3. a housing; 4. an activated carbon device; 5. filtering the plate; 6. a water collection tank; 7. a material taking port; 8. a base plate; 9. a pre-filter; 10. a first-stage high pressure water pump; 11. a sewer pipe; 12. a secondary drainage port; 13. A limiting clamping block; 14. a communicating pipe; 15. a nanofiltration membrane; 16. a canister; 17. a water filtering bucket; 18. a waste water port; 19. a water purifying port; 20. a waste water outlet; 21. a purified water outlet; 22. a water purifying pipe; 23. a water return pipe; 24. a seal ring; 25. a second-stage high pressure water pump; 26. a first-stage water outlet; 27. a movable door plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, a household water-saving nanofiltration membrane water purifier includes a housing 3, an activated carbon device 4, a pre-filter 9, a primary high-pressure water pump 10, a secondary high-pressure water pump 25, a nanofiltration cylinder 16, and a water filtration barrel 17; the top of the shell 3 is fixedly connected with a water inlet 2, and the bottom of the shell 3 is fixedly connected with a purified water outlet 21 and a waste water outlet 20; a horizontal filter plate 5 is fixedly connected to the upper side of the shell 3, and an active carbon device 4 is arranged above the filter plate 5; a water collecting tank 6, a sewer pipe 11, a pre-filter 9 and a primary high-pressure water pump 10 are fixedly connected below the filter plate 5 in sequence; the sewer pipe 11 is connected with two secondary sewer ports 12, the secondary sewer ports 12 are inserted into a water filtering barrel 17, a filter cartridge accommodating 16 is clamped inside the water filtering barrel 17, the bottom of the filter cartridge accommodating 16 is connected with a waste water port 18, and the bottom of the water filtering barrel 17 is connected with a water purifying port 19; the two waste water outlets 18 are connected through a water return pipe 23, the other two ends of the water return pipe 23 are respectively connected with a sewer pipe 11 and a waste water outlet 20, and a section of the water return pipe 23 communicated with the sewer pipe 11 is fixedly connected with a secondary high-pressure water pump 25.

After entering the equipment, tap water is primarily purified through the activated carbon device 4 and the pre-filter 9, and then enters the filter cartridge 16 for subsequent purification, and the produced pure water enters the pure water pipe 22 from the pure water port 19 and finally is discharged from the pure water outlet 21.

A material taking opening 7 is fixedly connected to the shell 3 on the side surface of the activated carbon device 4, and a material feeding opening 1 is fixedly connected to the upper portion of the material taking opening 7. The water collecting tank 6 is fixedly connected below the filter plate 5, a bottom plate 8 of the water collecting tank 6 inclines towards one side of the shell 3, and the bottom end of the bottom plate 8 is connected with a first-level water outlet 26. The top end of the downcomer 11 is connected with a primary downcomer 26, the downcomer 11 is sequentially connected with a pre-filter 9 and a primary high-pressure water pump 10, and the pre-filter 9 and the primary high-pressure water pump 10 are fixedly connected on the shell 3. The side shell 3 of the water filtering barrel 17 is provided with a movable door plate 27, two sides of a secondary water outlet 12 and two sides of a waste water outlet 18 at two ends of the water filtering barrel 17 are fixedly connected with a limiting fixture block 13, and the tops of the secondary water outlet 12 and the waste water outlet 18 are fixedly connected with a sealing ring 24. The two clean water ports 19 are connected by a clean water pipe 22, and the clean water pipe 22 is connected with a clean water outlet 21 on the housing 3. The nanofiltration cartridge 16 comprises a communicating pipe 14 at two ends and a nanofiltration membrane 15 in the middle, the nanofiltration membrane 15 is cylindrical, and the two ends of the nanofiltration membrane 15 are fixedly connected with the communicating pipe 14.

The tap water enters from the water inlet 2 and then falls into the activated carbon device 4, is filtered by the activated carbon device 4, passes through the filter plate 5 and enters the water collecting tank 6, and the water in the water collecting tank 6 completely flows into the primary sewer port 26 and enters the sewer pipe 11, and passes through the pre-filter 9 in the flowing process of the sewer officer to be subjected to secondary filtration. The water pressure of the water after the two-part filtration is increased by a first-stage high-pressure water pump 10. High-pressure water enters the nano filter cylinder 16 from the secondary water outlet 12, pure water passes through the nano filter membrane 15 and enters the filter water barrel 17, and filtered waste water is left in the nano filter cylinder 16. Pure water enters the water purifying pipe 22 from the water purifying port 19 at the bottom in the water filtering barrel 17, and finally leaves the device from the water purifying outlet 21 to enter a household water system. The wastewater in the filter cartridge 16 enters the water return pipe 23 from the wastewater inlet 18 due to short filtering time and low impurity content, and enters the sewer pipe 11 again after being pressurized by the secondary high-pressure water pump 25, and then enters the filter cartridge 16, and the filtering process is repeated again, so that more pure water is finally obtained, the concentration of the wastewater is improved, the proportion of the wastewater in tap water is reduced, the water purification efficiency is improved, and the water loss is reduced.

Example 2

Referring to fig. 1 to 3, the main differences between the embodiment 2 and the embodiment 1 are:

a material taking opening 7 is fixedly connected to the shell 3 on the side surface of the activated carbon device 4, and a material feeding opening 1 is fixedly connected to the upper portion of the material taking opening 7. The side shell 3 of the water filtering barrel 17 is provided with a movable door plate 27, two sides of a secondary water outlet 12 and two sides of a waste water outlet 18 at two ends of the water filtering barrel 17 are fixedly connected with a limiting fixture block 13, and the tops of the secondary water outlet 12 and the waste water outlet 18 are fixedly connected with a sealing ring 24.

The material taking opening 7 in the side face of the activated carbon device 4 is opened, the activated carbon device 4 inside can be taken out for replacement, the material taking opening 7 is closed after the activated carbon device is taken out, and the material taking opening 1 is opened to place a new activated carbon device 4. Use active carbon device 4 to carry out prefiltration and can reduce nanofiltration membrane 15's change frequency effectively, reduce cost. The side wall of the water filtering barrel 17 is provided with a movable door plate 27, the movable door plate 27 is opened, the nanofiltration cylinder 16 fixed between the limiting clamping blocks 13 can be taken out and replaced, the replaced nanofiltration cylinder 16 is clamped into the limiting clamping blocks 13 again, and the connectors at the two ends of the nanofiltration cylinder 16 are propped against the sealing ring 24 to form sealing, so that tap water and waste water are prevented from contacting purified water.

The utility model discloses a theory of operation is:

the nanofiltration membrane 15 has special physical properties, can separate a few hundred small molecules in the liquid, and is called a low-pressure reverse osmosis membrane. The nanofiltration membrane 15 is a common water purification material because it can separate out the solvent in the presence of a pressure difference. This device carries out prefilter to the running water through setting up active carbon device 4 and leading filter 9, reduces impurity and gets into to receive and strain the probability of a section of thick bamboo 16, has avoided impurity to pile up on receiving filter membrane 15, has prolonged the life who receives filter membrane 15. The final amount of the waste water is equivalent to the amount of the inflowing tap water, so that the water purification efficiency of the device is improved, the waste water rate is reduced, and the device is more economic and environment-friendly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A household water-saving nanofiltration membrane water purifier is characterized by comprising a shell (3), an activated carbon device (4), a pre-filter (9), a primary high-pressure water pump (10), a secondary high-pressure water pump (25), a nanofiltration cylinder (16) and a water filtering barrel (17); the top of the shell (3) is fixedly connected with a water inlet (2), and the bottom of the shell (3) is fixedly connected with a purified water outlet (21) and a waste water outlet (20); a horizontal filter plate (5) is fixedly connected to the upper side of the shell (3), and an active carbon device (4) is arranged above the filter plate (5); a water collecting tank (6), a sewer pipe (11), a pre-filter (9) and a primary high-pressure water pump (10) are fixedly connected below the filter plate (5) in sequence; the sewer pipe (11) is connected with two secondary sewer ports (12), the secondary sewer ports (12) are inserted into a water filtering barrel (17), a filter containing barrel (16) is clamped inside the water filtering barrel (17), the bottom of the filter containing barrel (16) is connected with a waste water port (18), and the bottom of the water filtering barrel (17) is connected with a water purifying port (19); the two waste water outlets (18) are connected through a water return pipe (23), the other two ends of the water return pipe (23) are respectively connected with a sewer pipe (11) and a waste water outlet (20), and a section of the water return pipe (23) communicated with the sewer pipe (11) is fixedly connected with a secondary high-pressure water pump (25).

2. The household water-saving nanofiltration membrane water purifier according to claim 1, wherein a material taking port (7) is fixedly connected to the casing (3) on the side of the activated carbon device (4), and a material feeding port (1) is fixedly connected above the material taking port (7).

3. The household water-saving nanofiltration membrane water purifier according to claim 1, wherein the water collection tank (6) is fixedly connected below the filter plate (5), a bottom plate (8) of the water collection tank (6) is inclined towards one side of the shell (3), and the bottom end of the bottom plate (8) is connected with a primary water drainage port (26).

4. The household water-saving nanofiltration membrane water purifier according to claim 1, wherein the top end of the downcomer (11) is connected with a primary downcomer (26), the downcomer (11) is sequentially connected with a pre-filter (9) and a primary high-pressure water pump (10), and the pre-filter (9) and the primary high-pressure water pump (10) are fixedly connected to the housing (3).

5. The household water-saving nanofiltration membrane water purifier according to claim 1, wherein a movable door plate (27) is arranged on the shell (3) on the side surface of the water filtering barrel (17), two sides of a secondary water outlet (12) and a waste water outlet (18) at two ends of the water filtering barrel (17) are fixedly connected with a limiting clamping block (13), and the tops of the secondary water outlet (12) and the waste water outlet (18) are fixedly connected with a sealing ring (24).

6. The household water-saving nanofiltration membrane water purifier according to claim 1, wherein the two water purifying ports (19) are connected through a water purifying pipe (22), and the water purifying pipe (22) is connected with a water purifying outlet (21) on the housing (3).

7. The household water-saving nanofiltration membrane water purifier as claimed in any one of claims 1 or 5, wherein the nanofiltration cartridge (16) comprises a communication pipe (14) at two ends and a nanofiltration membrane (15) in the middle, the nanofiltration membrane (15) is cylindrical, and the communication pipe (14) is fixedly connected to two ends of the nanofiltration membrane (15).