CN216638992U - Waterway system for washing reverse osmosis membrane - Google Patents

Abstract

The utility model relates to a waterway system for washing reverse osmosis membrane, which comprises: a reverse osmosis membrane filter; the raw water waterway is connected with a raw water interface of the reverse osmosis membrane filter, and a first valve is arranged on the raw water waterway; the pure water waterway is connected with the pure water interface of the reverse osmosis membrane filter and is provided with a second valve; the flushing device comprises a shell, a separator and a water storage bag; the separator is arranged in the inner cavity of the shell, the separator divides the inner cavity of the shell into a first water chamber and a second water chamber, the first water chamber is connected between a water inlet of the raw water waterway and the first valve through a first water route, and a through hole is formed in the separator; the water storage bag is made of elastic materials and arranged in the second water chamber, the second water chamber is divided into a third water chamber and a fourth water chamber by the water storage bag, the third water chamber is communicated with the first water chamber through the through hole, and the fourth water chamber is connected between the reverse osmosis membrane filter and the second valve through a second water channel.

Description

Waterway system for washing reverse osmosis membrane

Technical Field

The utility model relates to the field of water purification, in particular to a waterway system for flushing a reverse osmosis membrane.

Background

The water purifier is a water purifying device which purifies water by adopting a multi-stage filter element, removes impurities and certain element substances in water by physical methods such as filtration, adsorption, reverse osmosis and the like, particularly, a reverse osmosis membrane in the filter element can intercept organic pollutants and inorganic ions in the water and filter out direct-drinking pure water.

When crossing the pure water of crossing, reverse osmosis membrane still can appear the higher dense water of salt content, and when the purifier stop work, dense water can remain in the reverse osmosis filter element, and long-time dense water can permeate to reverse osmosis membrane's pure water side, leads to the pure water TDS value of staying in the water purifier to rise by a wide margin, and the easy scale deposit of long-time remaining dense water influences the reverse osmosis membrane life-span. Therefore, a forward or reverse flushing of the reverse osmosis membrane is required. To this end, the applicant has devised a water circuit system which can be used to flush a reverse osmosis membrane.

SUMMERY OF THE UTILITY MODEL

Accordingly, an object of the present invention is to provide a water path system for washing a reverse osmosis membrane, which can be used for washing the reverse osmosis membrane.

A waterway system for flushing a reverse osmosis membrane, the waterway system comprising: a reverse osmosis membrane filter; the raw water waterway is connected with a raw water interface of the reverse osmosis membrane filter, and a first valve is arranged on the raw water waterway; the pure water waterway is connected with a pure water interface of the reverse osmosis membrane filter and is provided with a second valve; the flushing device comprises a shell, a separator and a water storage bag; the partition is arranged in the inner cavity of the shell, the partition divides the inner cavity of the shell into a first water chamber and a second water chamber, the first water chamber is connected between a water inlet of the raw water waterway and the first valve through a first waterway, and a through hole is formed in the partition; the water storage bag is made of elastic materials, the water storage bag is arranged in the second water chamber, the water storage bag divides the second water chamber into a third water chamber and a fourth water chamber, the third water chamber is communicated with the first water chamber through the through hole, and the fourth water chamber is connected between the reverse osmosis membrane filter and the second valve through the second water channel.

Further, a valve is arranged on the partition and used for controlling the opening and closing of the through hole; the valve has two working states, and when the valve is in a first working state, the through hole is opened; when the valve is in the second working state, the valve closes the through hole.

Furthermore, a circulation channel is arranged on the valve, and the first water chamber and the third water chamber are communicated through the circulation channel; when the valve is in a first working state, the through hole is opened, and the flow rate of liquid entering the third water chamber from the first water chamber is greater than the flow rate of liquid entering the first water chamber from the third water chamber; when the valve is in a second working state, the valve closes the through hole, and the liquid in the first water chamber enters the third water chamber through the circulation channel.

Further, a mounting hole is provided on the partition, and the through hole is located on an outer peripheral side of the mounting hole; the valve is installed in the installation hole, and the valve slides in the installation hole.

Further, the valve comprises a base body, a sealing element and a limiting piece, wherein the base body is inserted into the mounting hole, the base body slides in the mounting hole, the sealing element and the limiting piece are respectively arranged at two ends of the base body, and the sealing element and the limiting piece are respectively positioned at two sides of the partition piece; when the valve is in a first working state, the sealing element is separated from the partition, and the through hole is opened; when the valve is in a second working state, the sealing element is attached to the separating element, and the sealing element closes the through hole.

Further, the flow channel penetrates through the base body, and the flow channel extends from the end face of the limiting member to the end face of the sealing member.

Furthermore, a guide inclined plane is arranged at one end, far away from the base body, of the limiting piece.

Further, an inner container is arranged on the partition, the inner container is formed by sinking the partition to the first water chamber, the water storage bag is arranged in an inner cavity of the inner container, and the outer surface of the water storage bag and the surface of the inner cavity of the inner container form the third water chamber.

Further, the water storage device further comprises a pressing piece, and the pressing piece is detachably mounted on the partition; the opening of the water storage bag extends outwards to form a flanging, the flanging extends from the opening of the water storage bag to the periphery of the opening of the inner container, and the flanging is located between the pressing piece and the partition.

Furthermore, a concave part is arranged on the flanging, and the concave part is positioned in the inner container; an insert is arranged on the pressing piece and is inserted into the concave part, and part of the concave part is positioned between the inner container and the insert; the inner surface of the inner container and the plug-in unit simultaneously prop against the flanging; the elastic material for manufacturing the water storage bag can be rubber, SEBS (styrene-ethylene-butadiene-styrene) material or SBS (styrene-butadiene-styrene) material; the first valve and the booster pump are sequentially arranged on the raw water waterway along the flowing direction of water flow; along the flow direction of water flow, a check valve and the second valve are sequentially arranged on the pure water waterway; the water path system further comprises a wastewater water path, the wastewater water path is connected with a wastewater interface of the reverse osmosis membrane filter, and a third valve is arranged on the wastewater water path.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a water circuit system for flushing a reverse osmosis membrane according to an embodiment;

FIG. 2 is a schematic structural diagram of a flushing device according to an embodiment;

FIG. 3 is a schematic view of an assembly of the liner and the valve according to the embodiment;

FIG. 4 is an enlarged view of the point A in FIG. 2;

reference numerals:

2. a reverse osmosis membrane filter; 3. a raw water waterway; 31. a first valve; 32. a booster pump; 33. a first waterway; 4. a pure water waterway; 41. a check valve; 42. a second valve; 43. a second waterway; 5. a wastewater waterway; 51. a third valve; 1. a flushing device; 11. a housing; 111. a first water chamber; 112. a second water chamber; 113. a third water chamber; 114. a fourth water chamber; 12. a separator; 121. a through hole; 122. mounting holes; 123. an inner container; 13. a water storage bag; 131. flanging; 132. a recess; 14. a valve; 141. a flow-through channel; 142. a substrate; 143. a seal member; 144. a limiting member; 145. a guide slope; 15. pressing parts; 151. and (4) inserting the components.

Detailed Description

A waterway system for washing reverse osmosis membranes is shown in figures 1 to 4 and comprises a reverse osmosis membrane filter 2, a raw water waterway 3, a pure water waterway 4, a waste water waterway 5 and a washing device 1. The raw water waterway 3 is connected with a raw water interface of the reverse osmosis membrane filter 2, and a first valve 31 and a booster pump 32 are sequentially arranged on the raw water waterway 3 along the flow direction of water flow; in the present embodiment, the first valve 31 is a solenoid valve, and may be a high-pressure switch, a manual valve, or the like. The pure water waterway 4 is connected with a pure water interface of the reverse osmosis membrane filter 2, and a check valve 41 and a second valve 42 are sequentially arranged on the pure water waterway 4 along the flowing direction of water flow; in the present embodiment, the second valve 41 is a high-pressure switch, and may be a solenoid valve, a manual valve, or the like. The wastewater waterway 5 is connected with a wastewater interface of the reverse osmosis membrane filter 2, and a third valve 51 is arranged on the wastewater waterway 5; in the present embodiment, the third valve 51 is an electromagnetic valve, and may be a high-pressure switch, a manual valve, or the like. The flushing device 1 comprises a shell 11, a separator 12 and a water storage bag 13; the partition 12 is arranged in the inner cavity of the housing 11, the partition 12 divides the inner cavity of the housing 11 into a first water chamber 111 and a second water chamber 112 which are independent from each other and are not communicated with each other, the first water chamber 111 is connected to the raw water waterway 3 through a first waterway 33, the connection position of the first waterway 33 and the raw water waterway 3 is positioned on the water inlet side of the first valve 31, and a through hole 121 is arranged on the partition 12; the water storage bag 13 is made of elastic material, the water storage bag 13 is arranged in the second water chamber 112, the water storage bag 13 divides the second water chamber 112 into a third water chamber 113 and a fourth water chamber 114 which are independent from each other and are not communicated, the outer surface of the water storage bag 13 and the surface of the partition 12 form the third water chamber 113, the third water chamber 113 is communicated with the first water chamber 111 through a through hole 121 of the partition 12, the inner surface of the water storage bag 13 and the inner surface of the shell 11 form the fourth water chamber 114, the inner cavity of the water storage bag 13 is a part of the fourth water chamber 114, the fourth water chamber 114 is connected to the pure water waterway 4 through a second waterway 43, and the connection position of the second waterway 43 and the pure water waterway 4 is positioned on the water inlet side of the second valve 42.

When the waterway system is in a normal working state, the first valve 31, the second valve 42 and the third valve 51 are opened, raw water enters the reverse osmosis membrane filter 2 after sequentially passing through the first valve 31 and the booster pump 32, the raw water forms pure water and wastewater respectively under the filtration of the reverse osmosis membrane filter 2, the pure water sequentially passes through the check valve 41 and the second valve 42 and then flows to the faucet to wait for the water outlet of the faucet, and the wastewater flows to a sewer through the third valve 51. Meanwhile, the raw water enters first and third water chambers 111 and 113 through first water channel 33, and the pure water enters fourth water chamber 114 through second water channel 43.

When the water channel system is in a state of flushing the reverse osmosis membrane, the first valve 31 and the second valve 42 are closed, the third valve 51 is opened, the raw water enters the first water chamber 111 and the third water chamber 113 through the first water channel 33, the raw water presses the water storage bag 13, so that the pure water in the water storage bag 13 flows to the reverse osmosis membrane filter 2 through the second water channel 43, the pure water in the water storage bag 13 flushes the reverse osmosis membrane filter 2, and the sewage generated by flushing the reverse osmosis membrane filter 2 is discharged through the wastewater water channel 5.

Referring to fig. 1 to 4, a valve 14 is provided on the partition 12, and the valve 14 controls opening and closing of the through-hole 121. The valve 14 has two working states, when the valve 14 is in the first working state, the through hole 121 is opened, and raw water can enter the third water chamber 113 from the first water chamber 111; when the valve 14 is in the second operation state, the through hole 121 is closed, and raw water may not enter the first water chamber 111 from the third water chamber 113. When the reverse osmosis membrane is washed, the pressure of the pure water can be changed; when the pressure of the pure water increases, the valve 14 closes the through hole 121, and the raw water between the first water chamber 111 and the third water chamber 113 does not flow into each other; after the pressure of the pure water is restored, the valve 14 opens the through hole 121, the raw water enters the third water chamber 113 from the first water chamber 111, the raw water presses the water storage bag 13, and the pure water continues to flow to the reverse osmosis membrane. Adopt stable water pressure to wash reverse osmosis membrane, avoid rivers to damage reverse osmosis membrane, help protecting reverse osmosis membrane and extension reverse osmosis membrane's life.

Further, valve 14 is provided with flow passage 141, and first chamber 111 and third chamber 113 communicate with each other through flow passage 141. The valve 14 has two working states, when the valve 14 is in the first working state, the through hole 121 is opened, and the flow rate of raw water entering the third water chamber 113 from the first water chamber 111 is greater than the flow rate of raw water entering the first water chamber 111 from the third water chamber 113; when the valve 14 is in the second working state, the through hole 121 is closed, and the raw water in the first water chamber 111 can also enter the third water chamber 113 through the flow channel 141. In the process of washing the reverse osmosis membrane, when the pressure of pure water is increased, the valve 14 closes the through hole 121, the raw water in the first water chamber 111 flows into the third water chamber 113 through the flow channel 141, the pressure variation amplitude of the pure water in the fourth water chamber 114 is reduced, water flow is prevented from impacting the reverse osmosis membrane, and the reverse osmosis membrane is protected and the service life of the reverse osmosis membrane is prolonged.

Still further, the partitioning member 12 is provided with a mounting hole 122, and the through-hole 121 is located on the outer peripheral side of the mounting hole 122. The valve 14 is made of an elastic material, the valve 14 is installed in the installation hole 122, and the valve 14 reciprocates in the installation hole 122. The valve 14 includes a base 142, a sealing member 143, and a limiting member 144, the base 142 is inserted into the mounting hole 122, the base 142 slides in the mounting hole 122, the sealing member 143 and the limiting member 144 are respectively disposed at two ends of the base 142, the sealing member 143 and the limiting member 144 are respectively located at two sides of the partition 12, the flow channel 141 penetrates through the base 142, and the flow channel 141 extends from an end surface of the limiting member 144 to an end surface of the sealing member 143. When the valve 14 is in the first working state, the sealing member 143 is separated from the partition member 12, and the through hole 121 is opened; when the valve 14 is in the second operating state, the sealing member 143 abuts against the partition member 12, and the sealing member 143 closes the through hole 121.

Still further, a guiding inclined surface 145 is provided at an end of the stopper 144 away from the base 142. Under the action of the guiding inclined surface 145, the limiting member 144 can be conveniently inserted into and pass through the mounting hole 122.

Referring to fig. 1 to 4, a liner 123 is provided on the partition 12, and the liner 123 is recessed from the partition 12 toward the first water chamber 111. The water storage bag 13 is disposed in the inner cavity of the inner container 123, and the outer surface of the water storage bag 13 and the inner cavity surface of the inner container 123 form a third water chamber 113. The through-hole 121 is provided on the inner cavity surface of the inner container 123. The inner container 123 defines the extending direction and the unfolding size of the water storage bag 13, which helps to prevent the water storage bag 13 from being deformed excessively and prolong the service life of the water storage bag 13, and helps to protect the filtering device by preventing the water storage bag 13 from damaging the filtering device.

Referring to fig. 1 to 4, the elastic material used to manufacture the water storage bladder 13 may be rubber, SEBS material, SBS material, or the like. The SEBS or SBS material has good plasticity and expansion performance similar to that of rubber material, but may be injection molded easily and has simple production process.

Referring to fig. 1 to 4, the flushing device 1 further includes a pressing member 15, the pressing member 15 being detachably mounted on the partition 12, the pressing member 15 being provided on an opening outer peripheral side of the inner container 123. A flange 131 is arranged at the opening of the water storage bag 13, the flange 131 is integrally formed with the water storage bag 13, the flange 131 extends from the opening of the water storage bag 13 to the periphery of the opening of the liner 123, and the flange 131 is positioned between the pressing piece 15 and the partition 12. The pressing member 15 presses the flange 131 of the water storage bag 13 against the partition 12, so that the water storage bag 13 is fixedly installed in the inner container 123. In addition, since the flange 131 is also made of an elastic material, the flange 131 can also play a role of sealing.

Further, a recess 132 is provided on the flange 131 of the water storage bag 13, and the recess 132 is located in the inner container 123 of the partition 12. An insert 151 is provided on the pressing member 15, the insert 151 is inserted into the recess 132, and a portion of the recess 132 is located between the inner container 123 and the insert 151.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (10)

1. A waterway system for flushing a reverse osmosis membrane, the waterway system comprising:

a reverse osmosis membrane filter (2);

the raw water channel (3), the raw water channel (3) is connected with a raw water interface of the reverse osmosis membrane filter (2), and a first valve (31) is arranged on the raw water channel (3);

the pure water channel (4), the pure water channel (4) is connected with a pure water interface of the reverse osmosis membrane filter (2), and a second valve (42) is arranged on the pure water channel (4);

a flushing device (1), the flushing device (1) comprising a housing (11), a partition (12), a water storage bladder (13); the partition (12) is arranged in an inner cavity of the shell (11), the partition (12) divides the inner cavity of the shell (11) into a first water chamber (111) and a second water chamber (112), the first water chamber (111) is connected between a water inlet of the raw water path (3) and the first valve (31) through a first water path (33), and a through hole (121) is formed in the partition (12); the water storage bag (13) is made of elastic materials, the water storage bag (13) is arranged in the second water chamber (112), the water storage bag (13) separates the second water chamber (112) into a third water chamber (113) and a fourth water chamber (114), the third water chamber (113) is communicated with the first water chamber (111) through the through hole (121), and the fourth water chamber (114) is connected to the reverse osmosis membrane filter (2) through a second water path (43) and is arranged between the second valves (42).

2. The waterway system for flushing a reverse osmosis membrane of claim 1, wherein: a valve (14) is arranged on the partition (12), and the valve (14) is used for controlling the opening and closing of the through hole (121); the valve (14) has two operating states, the through hole (121) being open when the valve (14) is in a first operating state; when the valve (14) is in the second working state, the valve (14) closes the through hole (121).

3. The waterway system for flushing a reverse osmosis membrane of claim 1, wherein:

a valve (14) is arranged on the partition (12), and the valve (14) is used for controlling the opening and closing of the through hole (121);

a flow channel (141) is arranged on the valve (14), and the first water chamber (111) and the third water chamber (113) are communicated through the flow channel (141);

the valve (14) has two working states, when the valve (14) is in the first working state, the through hole (121) is opened, and the flow rate of the liquid entering the third water chamber (113) from the first water chamber (111) is larger than the flow rate of the liquid entering the first water chamber (111) from the third water chamber (113);

when the valve (14) is in the second working state, the valve (14) closes the through hole (121), and the liquid in the first water chamber (111) enters the third water chamber (113) through the flow passage (141).

4. The waterway system for flushing a reverse osmosis membrane of claim 3, wherein: a mounting hole (122) is provided in the partition (12), and the through hole (121) is located on the outer peripheral side of the mounting hole (122); the valve (14) is mounted in the mounting hole (122), and the valve (14) slides in the mounting hole (122).

5. The waterway system for flushing a reverse osmosis membrane of claim 4, wherein: the valve (14) comprises a base body (142), a sealing element (143) and a limiting element (144), the base body (142) is inserted into the mounting hole (122), the base body (142) slides in the mounting hole (122), the sealing element (143) and the limiting element (144) are respectively arranged at two ends of the base body (142), and the sealing element (143) and the limiting element (144) are respectively positioned at two sides of the partition element (12); when the valve (14) is in a first working state, the sealing element (143) is separated from the partition (12), and the through hole (121) is opened; when the valve (14) is in the second working state, the sealing element (143) is attached to the partition (12), and the sealing element (143) closes the through hole (121).

6. The waterway system for flushing a reverse osmosis membrane of claim 5, wherein: the flow channel (141) extends through the base body (142), and the flow channel (141) extends from an end surface of the stopper (144) to an end surface of the seal (143).

7. The waterway system for flushing a reverse osmosis membrane of claim 5, wherein: a guide inclined surface (145) is arranged at one end, far away from the base body (142), of the limiting piece (144).

8. The waterway system for flushing a reverse osmosis membrane of claim 1, wherein: be provided with inner bag (123) on separator (12), inner bag (123) are followed separator (12) are gone up to first hydroecium (111) are sunken to be formed, water storage bag (13) set up in the inner chamber of inner bag (123), the surface of water storage bag (13) with the inner chamber surface of inner bag (123) forms third hydroecium (113).

9. The waterway system for flushing a reverse osmosis membrane of claim 8, wherein: the flushing device (1) further comprises a pressing member (15), wherein the pressing member (15) is detachably mounted on the partition (12); a flanging (131) extends outwards from the opening of the water storage bag (13), the flanging (131) extends from the opening of the water storage bag (13) to the outer periphery of the opening of the liner (123), and the flanging (131) is located between the pressing piece (15) and the partition (12).

10. The waterway system for flushing a reverse osmosis membrane of claim 9, wherein:

a concave part (132) is arranged on the flanging (131), and the concave part (132) is positioned in the inner container (123); an insert (151) is arranged on the pressing piece (15), the insert (151) is inserted in the concave part (132), and part of the concave part (132) is positioned between the inner container (123) and the insert (151);

the inner surface of the inner container (123) and the insert (151) simultaneously abut against the flanging (131);

the elastic material for manufacturing the water storage bag (13) can be rubber, SEBS material or SBS material;

the first valve (31) and the booster pump (32) are sequentially arranged on the raw water channel (3) along the flow direction of water flow;

a check valve (41) and the second valve (42) are sequentially arranged on the pure water waterway (4) along the flowing direction of water flow;

the water path system further comprises a wastewater water path (5), the wastewater water path (5) is connected with a wastewater interface of the reverse osmosis membrane filter (2), and a third valve (51) is arranged on the wastewater water path (5).

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