CN105800809A - Non-electric and wastewater-free household reverse osmosis water purifier - Google Patents

Abstract

The invention discloses a household reverse osmosis water purifier without electricity and waste water. It includes a primary filter, a secondary filter, a tertiary filter, a quaternary filter, a 5th filter, a pure water faucet, a living water faucet and a three-way joint. The primary filter is a five-micron PP cotton filter, The second-stage filter is a granular activated carbon filter, the third-stage filter is a one-micron PP cotton filter, the fourth-stage filter is an ultra-low pressure reverse osmosis membrane filter, the fifth-stage filter is a post-installed activated carbon filter, and the first-stage filter , the secondary filter, the tertiary filter and the fourth-stage filter are connected in turn. There are two outlets on the fourth-stage filter, one of which is connected to the fifth-stage filter, and the other is connected to the tee joint. The fifth-stage filter Connect the pure water faucet, and the three-way joint connect the domestic water faucet. The beneficial effects of the present invention are: no electricity, no waste water, can meet the purification of municipal tap water, meet the needs of domestic water, and facilitate later maintenance.

Description

A household reverse osmosis water purifier without electricity and waste water

technical field

The invention relates to the related technical field of household water treatment, in particular to a household reverse osmosis water purifier without electricity and waste water.

Background technique

Water purifiers are also called water purifiers and water filters. The core technology of the water purifier is the filter membrane in the filter device. The main technology of the water purifier comes from ultrafiltration membrane and RO reverse osmosis membrane. Small water treatment equipment for deep purification of water. The water purifier we usually talk about generally refers to small filters used for household use.

The application of water purification technology in the field of drinking water will make the phenomenon of "acclimatization" soon a thing of the past, and effectively solve the endemic diseases caused by excessive harmful minerals in groundwater in many places.

At present, the waste water rate of various household reverse osmosis water purifier systems is relatively high, and it is difficult to have a power supply near the installation point. For the water purification of general municipal direct supply tap water (water pressure ≥ 0.2MPa), it is necessary to borrow an external drive to Meet the needs.

Contents of the invention

The present invention aims to overcome the above-mentioned deficiencies in the prior art, and provides a household reverse osmosis water purifier without electricity and waste water, which does not require power supply and produces no waste water.

In order to achieve the above object, the present invention adopts the following technical solutions:

A household reverse osmosis water purifier without electricity and waste water, comprising a primary filter, a secondary filter, a tertiary filter, a fourth filter, a fifth filter, a pure water faucet, a domestic water faucet and a tee joint, The first-stage filter is a five-micron PP cotton filter, the second-stage filter is a granular activated carbon filter, the third-stage filter is a one-micron PP cotton filter, and the fourth-stage filter It is an ultra-low pressure reverse osmosis membrane filter, the fifth-stage filter is a post-installed activated carbon filter, the first-stage filter, the second-stage filter, the third-stage filter and the fourth-stage filter are connected in sequence, and the The fourth-stage filter is provided with two outlets, one of which is connected to the fifth-stage filter, and the other outlet is connected to a three-way joint. The five-stage filter is connected to a pure water faucet, and the three-way joint is connected to a domestic water faucet.

Through the design of the ultra-low pressure reverse osmosis membrane filter, it meets the water quality purification of the general municipal direct supply tap water, and does not need to drive the pressurization device through the power supply to achieve the purpose of tap water filtration; and the ultra-low pressure reverse osmosis membrane filter has two outlet designs On the one hand, it can achieve the purpose of purifying pure water, on the other hand, it can meet the needs of domestic water, and at the same time, it can also achieve the purpose of flushing the ultra-low pressure reverse osmosis membrane filter. This design achieves the purpose of no electricity and no waste water. The service life of the water purifier can be extended.

As preferably, the first-stage filter, the second-stage filter and the third-stage filter all include a filter bottle, a filter element and an upper cover, and the shape of the filter element is a circular tube, and the filter element is placed in the filter bottle Inside, the upper cover is provided with a water inlet and a water outlet, and both the water inlet and the water outlet are placed on the side of the upper cover, the space formed by the inner wall of the filter bottle and the outer wall of the filter element and the upper The water inlet on the cover communicates, the inner cavity of the filter element communicates with the water outlet on the upper cover, and the upper cover and the filter bottle are detachably connected. Through the connection design of the upper cover and the filter bottle, it is convenient to realize the later maintenance of the filter element.

As a preference, a positioning seat is provided in the middle of the bottom of the filter bottle, a limiting seat corresponding to the positioning seat is provided in the middle of the upper cover, the filter element is interference fit with the positioning seat, and the limiting seat The seat is placed in the inner cavity of the filter element, the upper cover is threadedly connected with the filter bottle, and a through hole is provided in the middle of the limit seat, and the through hole communicates with the water outlet. This design can further improve the filtering effect of the filter element on tap water and reduce the waste water rate.

Preferably, the four-stage filter includes a membrane housing bottle, an ultra-low pressure reverse osmosis filter element and a membrane housing upper cover, the ultra-low pressure reverse osmosis filter element is placed inside the membrane housing bottle, and the ultra-low pressure reverse osmosis filter element is placed inside the membrane housing bottle body, and the ultra-low pressure reverse osmosis filter element is The osmosis filter element includes a filter tube, an ultra-low pressure reverse osmosis membrane and an ultra-low pressure reverse osmosis membrane ring, the ultra-low pressure reverse osmosis membrane is placed outside the filter tube, and the ultra-low pressure reverse osmosis membrane ring is placed Permeate the upper end of the outer side of the membrane, the bottom of the membrane shell bottle is provided with a first outlet, the bottom side of the membrane shell bottle is provided with a second outlet, the first outlet communicates with the filter tube, the An inlet is provided in the middle of the upper cover of the membrane shell, and the upper cover of the membrane shell is detachably connected with the bottle body of the membrane shell. Through the structural design of the four-stage filter, on the one hand, the ultra-low pressure reverse osmosis membrane ring is used to purify the primary tap water to meet the requirements of domestic water; The purpose of pure water is to realize the discharge of no waste water.

As a preference, the upper section of the filter tube is sealed, the lower section of the filter tube is hollow, a number of water inlet holes are provided on the side of the lower section of the filter tube, and the ultra-low pressure reverse osmosis membrane is coated on the outer surface of the filter tube. On the side and closely matched with the filter tube, the position of the ultra-low pressure reverse osmosis membrane ring on the ultra-low pressure reverse osmosis membrane corresponds to the position on the ultra-low pressure reverse osmosis membrane where the upper section of the filter tube is located, and the membrane shell The bottle body is closely matched with the ultra-low pressure reverse osmosis membrane ring. The position design of the ultra-low pressure reverse osmosis membrane ring satisfies the secondary reverse osmosis filtration of tap water by the four-stage filter to improve the purity of water purification.

As a preference, the outer diameter of the ultra-low pressure reverse osmosis membrane ring decreases gradually from top to bottom, the outer diameter of the lower end of the ultra-low pressure reverse osmosis membrane ring is smaller than the inner diameter of the membrane shell bottle, and the ultra-low pressure reverse osmosis membrane ring The outer diameter of the upper end is greater than the inner diameter of the membrane shell bottle. Through the structural design of the ultra-low pressure reverse osmosis membrane ring, it is convenient to install the ultra-low pressure reverse osmosis filter element into the membrane shell bottle and seal it through the ultra-low pressure reverse osmosis membrane ring, which is convenient and quick to install.

As a preference, the middle of the bottom of the membrane shell bottle body is provided with a mounting seat for installation on the filter tube, the middle of the mounting seat is hollow and communicates with the first outlet, and the middle hollow inner wall of the mounting seat is provided with several seals. ring, and the filter tube is sealed and connected with the mounting base through the sealing ring. Through the design of the sealing ring, the water between the ultra-low pressure reverse osmosis membrane and the membrane shell bottle body is prevented from entering the first outlet, so as to improve the purity of water purification.

Preferably, an inward chamfer is provided on the upper end surface of the mounting seat, and an outward round chamfer is provided on the lower end surface of the filter tube. Through the cooperative use of the structure between the mounting seat and the filter tube, the filter tube is conveniently installed on the mounting seat and sealed by a sealing ring, and the installation is convenient and quick.

Preferably, the diameter of the first outlet is smaller than the diameter of the second outlet. The second outlet can ensure the water quantity of domestic water more than the first outlet.

The beneficial effect of the present invention is: it achieves the purpose of no electricity and no waste water, meets the purification requirements of municipal tap water, and meets the requirements of domestic water at the same time, has a simple structure, is convenient to install, and is convenient for later maintenance. service life.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a structural representation of a primary filter, a secondary filter and a tertiary filter;

Fig. 3 is a schematic cross-sectional structure diagram of Fig. 2;

Fig. 4 is the structural representation of four-stage filter;

FIG. 5 is a schematic cross-sectional structure diagram of FIG. 4 .

In the figure: 1. Primary filter, 2. Secondary filter, 3. Three-stage filter, 4. Fourth-stage filter, 5. Fifth-stage filter, 6. Pure water faucet, 7. Tee joint, 8 .Domestic faucet, 9. Water inlet three-way valve, 10. Valve, 11. Upper cover, 12. Filter element, 13. Filter bottle, 14. Water inlet, 15. Limit seat, 16. Water outlet, 17. Positioning seat, 18. membrane shell cover, 19. filter tube, 20. ultra-low pressure reverse osmosis membrane ring, 21. ultra-low pressure reverse osmosis membrane, 22. membrane shell bottle, 23. inlet, 24. water inlet hole, 25. Second outlet, 26. First outlet, 27. Mounting seat, 28. Sealing ring.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

In the embodiment shown in Figure 1, a household reverse osmosis water purifier without electricity and waste water includes a first-stage filter 1, a second-stage filter 2, a third-stage filter 3, a fourth-stage filter 4, and a fifth-stage filter. Filter 5, pure water faucet 6, domestic water faucet 8 and tee joint 7, the primary filter 1 is a five-micron PP cotton filter, the secondary filter 2 is a granular activated carbon filter, and the third-stage filter 3 is a one-micron filter PP cotton filter, the fourth-stage filter 4 is an ultra-low pressure reverse osmosis membrane filter, the fifth-stage filter 5 is a rear activated carbon filter, the first-stage filter 1, the second-stage filter 2, the third-stage filter 3 and the fourth-stage filter The first-stage filter 4 is connected in sequence, and the fourth-stage filter 4 is provided with two outlets, one of which is connected to the fifth-stage filter 5, and the other outlet is connected to the tee joint 7, and the fifth-stage filter 5 is connected to the pure water faucet 6, and the three-way The joint 7 is connected to the faucet 8 for domestic use. Wherein: the three-way joint 7 is also connected with a valve 10, and is connected with a large water container through the valve 10; a water inlet three-way valve 9 is installed before the primary filter 1.

As shown in Fig. 2 and Fig. 3, the primary filter 1, the secondary filter 2 and the tertiary filter 3 all include a filter bottle 13, a filter element 12 and a loam cake 11, and the shape of the filter element 12 is a circular tube, filtering The filter element 12 is placed in the filter bottle 13, the upper cover 11 is provided with a water inlet 14 and a water outlet 16, the water inlet 14 and the water outlet 16 are all placed on the side of the upper cover 11, the inner wall of the filter bottle 13 and the filter element 12 The space formed by the outer wall communicates with the water inlet 14 on the upper cover 11 , the inner cavity of the filter element 12 communicates with the water outlet 16 on the upper cover 11 , and the upper cover 11 and the filter bottle 13 are detachably connected. A positioning seat 17 is provided in the middle of the bottom of the filter bottle 13, and a limiting seat 15 corresponding to the positioning seat 17 is provided in the middle of the upper cover 11. The filter element 12 is interference fit with the positioning seat 17, and the limiting seat 15 is placed on the filter element. In the inner chamber of 12, the loam cake 11 is threadedly connected with the filter bottle 13, and a through hole is provided in the middle of the limit seat 15, and the through hole communicates with the water outlet 16.

As shown in Fig. 4 and Fig. 5, the four-stage filter 4 includes a membrane shell bottle body 22, an ultra-low pressure reverse osmosis filter element and a membrane shell upper cover 18, and the ultra-low pressure reverse osmosis filter element is placed inside the membrane shell bottle body 22. The reverse osmosis filter element includes a filter tube 19, an ultra-low pressure reverse osmosis membrane 21 and an ultra-low pressure reverse osmosis membrane ring 20. The ultra-low pressure reverse osmosis membrane 21 is placed outside the filter tube 19, and the ultra-low pressure reverse osmosis membrane ring 20 is placed The outer upper end of the reverse osmosis membrane 21, the middle of the bottom of the membrane shell bottle 22 is provided with a first outlet 26, the bottom side of the membrane shell bottle 22 is provided with a second outlet 25, the first outlet 26 communicates with the filter tube 19, the membrane An inlet 23 is provided in the middle of the shell upper cover 18 , and the membrane shell upper cover 18 is detachably connected with the membrane shell bottle body 22 . The upper section of the filter tube 19 is sealed, the lower section of the filter tube 19 is hollow, and the lower section side of the filter tube 19 is provided with some water inlet holes 24. The ultra-low pressure reverse osmosis membrane 21 is coated on the outer surface of the filter tube 19 and connected 19 tight fit, the position of the ultra-low pressure reverse osmosis membrane ring 20 on the ultra-low pressure reverse osmosis membrane 21 corresponds to the position on the ultra-low pressure reverse osmosis membrane 21 where the upper section of the filter tube 19 is located, and the membrane shell bottle body 22 is in line with the ultra-low pressure reverse osmosis membrane 21. The reverse osmosis membrane ring 20 is a tight fit. The outer diameter of the ultra-low pressure reverse osmosis membrane ring 20 gradually decreases from top to bottom. The inner diameter of the membrane shell bottle body 22. The middle of the bottom of the membrane shell bottle body 22 is provided with a mounting seat 27 for being installed on the filter tube 19, the middle of the mounting seat 27 is hollow and communicates with the first outlet 26, and the middle hollow inner wall of the mounting seat 27 is provided with several sealing rings 28, The filter tube 19 is sealingly connected with the mounting seat 27 through a sealing ring 28 . The upper end surface of the mounting seat 27 is provided with an inward rounded chamfer, and the lower end surface of the filter tube 19 is provided with an outward rounded chamfer. The diameter of the first outlet 26 is smaller than the diameter of the second outlet 25 . Among them: the connecting pipes of the first-stage filter 1, the second-stage filter 2, the third-stage filter 3 and the fourth-stage filter 4 all adopt four branch pipes, and the first outlet 26 of the fourth-stage filter 4 and the fifth-stage filter 5 And the connecting pipe of the pure water faucet 6 all adopts a two-point pipe, and the second outlet 25 of the four-stage filter 4, the three-way joint 7 and the connecting pipe of the domestic water faucet 8 all adopt a four-point pipe.

The water purifier includes the following three waterways:

1. Purify pure water: When the water inlet three-way valve 9 switch is opened, tap water passes through the first outlet 26 of a five-micron PP cotton filter, a granular activated carbon filter, a one-micron PP cotton filter, and an ultra-low pressure reverse osmosis filter. Post activated carbon filter and pure water faucet 6, to achieve the purification of municipal tap water.

2. Rinse the ultra-low pressure reverse osmosis membrane 21 and domestic water: When the water inlet three-way valve 9 switch is opened, the tap water passes through a five-micron PP cotton filter, a granular activated carbon filter, a one-micron PP cotton filter, and an ultra-low pressure reverse osmosis filter. The second outlet 25 of the filter, the three-way joint 7 and the faucet 8 for domestic use can flush the ultra-low pressure reverse osmosis membrane 21 while using domestic water.

3. Flush the ultra-low pressure reverse osmosis membrane 21 and large water: when the water inlet three-way valve 9 switch is opened, the tap water passes through a five-micron PP cotton filter, a granular activated carbon filter, a one-micron PP cotton filter, and an ultra-low pressure reverse osmosis filter. The second outlet 25 of the permeation filter, the tee joint 7 and the valve 10, at this time, the ultra-low pressure reverse osmosis membrane 21 is flushed with water to increase the life of the ultra-low pressure reverse osmosis membrane 21; meanwhile, the valve 10 is generally installed on The lower position is convenient for large water containers to receive water, which meets the water requirements for family mopping or cleaning.

Claims (9)

1. A household reverse osmosis water purifier without electricity and without waste water is characterized in that it comprises a first-stage filter (1), a second-stage filter (2), a third-stage filter (3), and a fourth-stage filter (4) ), five-stage filter (5), pure water faucet (6), domestic water faucet (8) and tee joint (7), the first-stage filter (1) is a five-micron PP cotton filter, and the The second-stage filter (2) is a granular activated carbon filter, the third-stage filter (3) is a micron PP cotton filter, and the fourth-stage filter (4) is an ultra-low pressure reverse osmosis membrane filter , the five-stage filter (5) is a rear activated carbon filter, the first-stage filter (1), the second-stage filter (2), the three-stage filter (3) and the four-stage filter ( 4) connected sequentially, the four-stage filter (4) is provided with two outlets, one of which is connected to the five-stage filter (5), and the other outlet is connected to the three-way joint (7), and the five-stage filter The device (5) is connected to the pure water faucet (6), and the three-way joint (7) is connected to the domestic water faucet (8). 2. a kind of household reverse osmosis water purifier without electricity and waste water according to claim 1, is characterized in that, described primary filter (1), secondary filter (2) and tertiary filter ( 3) all comprise filter bottle (13), filter filter element (12) and loam cake (11), and the shape of described filter filter element (12) is circular tube shape, and described filter filter element (12) is placed in filter bottle (13) Inside, the upper cover (11) is provided with a water inlet (14) and a water outlet (16), and the water inlet (14) and the water outlet (16) are all placed on the side of the upper cover (11) , the space formed by the inner wall of the filter bottle (13) and the outer wall of the filter element (12) communicates with the water inlet (14) on the upper cover (11), and the inner cavity of the filter element (12) is connected with the upper cover The water outlet (16) on the (11) is communicated, and the described loam cake (11) and the filter bottle (13) are detachably connected. 3. A household reverse osmosis water purifier without electricity and waste water according to claim 2, characterized in that a positioning seat (17) is provided in the middle of the bottom of the filter bottle (13), and the upper cover (11 ) is provided with a limit seat (15) corresponding to the positioning seat (17), the filter element (12) is interference fit with the positioning seat (17), and the limit seat (15) is placed In the inner cavity of the filter element (12), the upper cover (11) is threadedly connected with the filter bottle (13), and a through hole is provided in the middle of the limit seat (15), and the through hole and the water outlet (16) CONNECTED. 4. A kind of household reverse osmosis water purifier without electricity and waste water according to claim 1, 2 or 3, characterized in that, the four-stage filter (4) includes a membrane shell bottle body (22), an ultra- A low-pressure reverse osmosis filter element and a membrane housing upper cover (18), the ultra-low pressure reverse osmosis filter element is placed inside the membrane housing bottle (22), and the ultra-low pressure reverse osmosis filter element includes a filter tube (19), an ultra-low pressure reverse osmosis filter element Reverse osmosis diaphragm (21) and ultra-low pressure reverse osmosis membrane ring (20), described ultra-low pressure reverse osmosis diaphragm (21) is placed on the outside of filter pipe (19), described ultra-low pressure reverse osmosis membrane ring ( 20) placed on the outer upper end of the ultra-low pressure reverse osmosis membrane (21), the bottom middle of the membrane shell bottle (22) is provided with a first outlet (26), and the bottom side of the membrane shell bottle (22) A second outlet (25) is provided, the first outlet (26) communicates with the filter tube (19), an inlet (23) is provided in the middle of the membrane housing upper cover (18), and an inlet (23) is provided on the membrane housing. The cover (18) is detachably connected with the membrane shell bottle body (22). 5. A kind of household reverse osmosis water purifier without electricity and waste water according to claim 4, characterized in that, the upper section of the filter pipe (19) is sealed, the lower section of the filter pipe (19) is hollow, and the filter pipe (19) is hollow. The lower section side of the filter tube (19) is provided with some water inlet holes (24), and the ultra-low pressure reverse osmosis membrane (21) is coated on the outer surface of the filter tube (19) and connected with the filter tube (19) Tight fit, the position on the ultra-low pressure reverse osmosis diaphragm (21) where the ultra-low pressure reverse osmosis membrane ring (20) is located corresponds to the position on the ultra-low pressure reverse osmosis diaphragm (21) where the upper section of the filter tube (19) is located , the membrane shell bottle body (22) is closely matched with the ultra-low pressure reverse osmosis membrane ring (20). 6. A kind of household reverse osmosis water purifier without electricity and waste water according to claim 4, characterized in that, the outer diameter of the ultra-low pressure reverse osmosis membrane ring (20) gradually decreases from top to bottom, and the The outer diameter of the lower end of the ultra-low pressure reverse osmosis membrane ring (20) is smaller than the inner diameter of the membrane shell bottle (22), and the upper end outer diameter of the ultra-low pressure reverse osmosis membrane ring (20) is larger than the inner diameter of the membrane shell bottle (22). 7. A household reverse osmosis water purifier without electricity and waste water according to claim 4, characterized in that, the middle of the bottom of the membrane shell bottle body (22) is provided with a mounting bracket for installing on the filter tube (19). Seat (27), the middle of the mounting seat (27) is hollow and communicates with the first outlet (26), the middle hollow inner wall of the mounting seat (27) is provided with several sealing rings (28), and the filter The pipe (19) is airtightly connected with the mounting seat (27) through a sealing ring (28). 8. A household reverse osmosis water purifier without electricity and waste water according to claim 7, characterized in that, the upper end surface of the mounting seat (27) is provided with an inward rounded chamfer, and the filter tube The lower end surface of (19) is provided with outward round chamfering. 9. A household reverse osmosis water purifier without electricity and waste water according to claim 4, characterized in that the diameter of the first outlet (26) is smaller than the diameter of the second outlet (25).