CN219231982U

CN219231982U - Ultrafiltration reverse osmosis membrane group structure

Info

Publication number: CN219231982U
Application number: CN202223583438.6U
Authority: CN
Inventors: 黄海忠
Original assignee: Wuxi Tianli Environmental Protection Technology Co ltd
Current assignee: Wuxi Tianli Environmental Protection Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-23
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses an ultrafiltration reverse osmosis membrane group structure, which comprises a membrane group pipe body; a reverse osmosis membrane tube is fixedly arranged in the middle of the inner part of the membrane group tube body; one end of the reverse osmosis membrane tube is arranged at an opening interval corresponding to the membrane group tube body and is a closed end, and a water collecting tube in the middle of the reverse osmosis membrane tube is communicated with a water outlet of the membrane group tube body; the membrane group pipe body water inlet department is provided with the pushing structure, the pushing ring that pushes the structure encircles the blind end setting, and power device drive pushing ring along reverse osmosis membrane pipe length direction back and forth movement extrudees reverse osmosis membrane pipe lateral wall. The utility model provides an ultrafiltration reverse osmosis membrane group structure, which can push flowing water by pushing the reverse osmosis membrane tube surface by the back and forth movement of a pushing ring, so as to change the filtering pressure and increase the filtering degree, thereby improving the water yield of a water collecting tube.

Description

Ultrafiltration reverse osmosis membrane group structure

Technical Field

The utility model relates to the field of reverse osmosis membrane filtration.

Background

Filtering raw water by using a reverse osmosis membrane module to produce purified water is a common means; in the existing reverse osmosis membrane assembly, raw water flows from one end to the other end of the reverse osmosis membrane assembly, filtered purified water flows out of a water collecting pipe in the reverse osmosis membrane assembly, but in the process that raw water is filtered by the reverse osmosis membrane, the flow velocity of water is relatively constant, so that the problem that the locally needed filtering pressure of the reverse osmosis membrane is insufficient and the water yield of the water collecting pipe is small is solved.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the ultrafiltration reverse osmosis membrane group structure, which can push running water by pushing the reverse osmosis membrane tube surface by the back and forth movement of the pushing ring, so as to change the filtering pressure, increase the filtering degree and further improve the water yield of the water collecting tube.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:

an ultrafiltration reverse osmosis membrane group structure comprises a membrane group pipe body; a reverse osmosis membrane tube is fixedly arranged in the middle of the inner part of the membrane group tube body; one end of the reverse osmosis membrane tube is arranged at an opening interval corresponding to the membrane group tube body and is a closed end, and a water collecting tube in the middle of the reverse osmosis membrane tube is communicated with a water outlet of the membrane group tube body; the membrane group pipe body water inlet department is provided with the pushing structure, the pushing ring that pushes the structure encircles the blind end setting, and power device drive pushing ring along reverse osmosis membrane pipe length direction back and forth movement extrudees reverse osmosis membrane pipe lateral wall.

Further, a plurality of reverse osmosis membranes are wrapped on the outer side of the water collecting pipe layer by layer to form a reverse osmosis membrane pipe; the diameter of the reverse osmosis membrane tube is gradually increased along the water outlet direction, and the increased end of the reverse osmosis membrane tube is fixed in the membrane group tube body through a fixing ring.

Further, a waste water chamber is formed between the enlarged end of the reverse osmosis membrane tube and the water outlet of the membrane group tube body, and the waste water chamber is communicated with the outside through a water outlet pipe; one end of the water collecting pipe extends through the wastewater chamber and is communicated with the water outlet of the membrane group pipe body, and the inside of the water collecting pipe is sealed with the wastewater chamber.

Further, a plurality of water inlet holes are formed in the side wall of the water collecting pipe in a surrounding mode, the water inlet holes are arranged corresponding to the reverse osmosis membrane, and the orifices of the water inlet holes gradually decrease towards the center direction of the water collecting pipe.

Further, the pushing structure further comprises a telescopic rod, and the telescopic rod is arranged along the length direction of the membrane group pipe body; the power device arranged at the water inlet of the membrane group pipe body is in driving connection with one end of the telescopic rod; the other end of the telescopic rod is fixed on one side of the pushing ring.

Further, the inner wall of the pushing ring is arranged at a distance from the closed end, and the inner wall of the pushing ring which moves is contacted with the surface of the increased end of the reverse osmosis membrane tube.

Further, the inner ring section of the pushing ring is arc-shaped, and the surface of the inner ring of the pushing ring is provided with an elastic layer; the pushing ring is formed by splicing a plurality of arc-shaped sheet strips in a circumferential direction.

The beneficial effects are that: the water flow enters the membrane group pipe body, the purified water which passes through the reverse osmosis membrane of the reverse osmosis membrane pipe flows into the water collecting pipe, and then flows out through the water collecting pipe, and in the process of reverse osmosis filtration, the pushing ring moves back and forth along the length direction of the membrane group pipe body and extrudes the reverse osmosis membrane arranged on the outer side of the reverse osmosis membrane pipe back and forth, so that the water flow is promoted, the filtration pressure can be increased, the water flow is promoted to pass through the reverse osmosis membrane more easily, the diversion of waste water and purified water is increased, and the water purification quality and the filtration efficiency are improved.

Drawings

FIG. 1 is a diagram of a reverse osmosis membrane module.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1: an ultrafiltration reverse osmosis membrane group structure comprises a membrane group pipe body 1; a reverse osmosis membrane pipe 2 is fixedly arranged in the middle of the inside of the membrane group pipe body 1; one end of the reverse osmosis membrane tube 2 is arranged at an opening interval corresponding to the membrane group tube body 1 and is a closed end 21, and a water collecting tube 22 in the middle of the reverse osmosis membrane tube 2 is communicated with a water outlet of the membrane group tube body 1; the water inlet of the membrane group pipe body 1 is provided with a pushing structure 3, a pushing ring 31 of the pushing structure 3 is arranged around the closed end 21, and a power device drives the pushing ring 31 to move back and forth along the length direction of the reverse osmosis membrane pipe 2 so as to squeeze the side wall of the reverse osmosis membrane pipe 2. The water flow enters into the membrane group pipe body and flows into the water collecting pipe through the reverse osmosis membrane of the reverse osmosis membrane pipe, then flows out through the water collecting pipe, and in the reverse osmosis filtration process, the pushing ring moves back and forth along the length direction of the membrane group pipe body, the pushing ring pushes the reverse osmosis membrane arranged outside the reverse osmosis membrane pipe back and forth, so that the water flow is promoted, the filtration pressure can be increased, the water flow is promoted to pass through the reverse osmosis membrane more easily, the diversion of the wastewater and the purified water is increased, and the water purification quality and the filtration efficiency are improved.

A plurality of reverse osmosis membranes are wrapped outside the water collecting pipe 22 layer by layer to form a reverse osmosis membrane pipe 2; the diameter of the reverse osmosis membrane tube 2 is gradually increased along the water outlet direction, and the increased end of the reverse osmosis membrane tube 2 is fixed in the membrane group tube body 1 through the fixing ring 4; the reverse osmosis membrane tube is used for stabilizing the middle part of the membrane group tube body, so that water flow can enter the water collecting tube from outside to inside, the filtering area is increased, and the water purification quality and efficiency are improved.

A wastewater chamber is formed between the enlarged end of the reverse osmosis membrane tube 2 and the water outlet of the membrane group tube body 1, and the wastewater chamber is communicated with the outside through a water outlet pipe; one end of the water collecting pipe 22 extends through the wastewater chamber to be communicated with the water outlet of the membrane group pipe body 1, and the inside of the water collecting pipe 22 is sealed with the wastewater chamber; the water flow is filtered by the reverse osmosis membrane, the filtered purified water flows into the water collecting pipe, and the wastewater between the reverse osmosis membranes flows into the wastewater chamber and flows out from the water outlet pipe, so that pollution caused by backflow is avoided.

The side wall of the water collecting pipe 22 is provided with a plurality of water inlet holes 221 in a surrounding mode, the water inlet holes 221 are arranged corresponding to the reverse osmosis membrane, the water inlet holes 221 are gradually reduced towards the center direction of the water collecting pipe 22, the water inlets of the water inlet holes are large, the water outlets of the water inlet holes are small, water flow is facilitated to flow into the water inlet holes, meanwhile, the inflow speed of the water flow is slowed down, and waste water between the reverse osmosis membranes is prevented from overflowing into the water collecting pipe.

The pushing structure 3 further comprises a telescopic rod 32, and the telescopic rod 32 is arranged along the length direction of the membrane group pipe body 1; the power device arranged at the water inlet of the membrane group pipe body 1 is in driving connection with one end of the telescopic rod 32; the other end of the telescopic rod 32 is fixed on one side of the pushing ring 31. The inner wall of the pushing ring 31 is spaced from the closed end 21, which is favorable for water flow, and the inner wall of the pushing ring 31 is in contact with the enlarged end surface of the reverse osmosis membrane tube 2. The power device drives the telescopic rod to drive the pushing ring to move back and forth along the length direction of the reverse osmosis membrane pipe, and the pushing ring can extrude the surface of the reverse osmosis membrane, so that water flow between the reverse osmosis membrane is filtered through the reverse osmosis membrane and flows into the water collecting pipe, and the water purification quality and the filtering efficiency are improved.

The inner ring section of the pushing ring 31 is arc-shaped, and an elastic layer is arranged on the inner ring surface of the pushing ring 31 and is in contact with the surface of the reverse osmosis membrane, so that the phenomenon of damage of the reverse osmosis membrane caused by extrusion force when the reverse osmosis membrane is extruded is avoided; the pushing ring 31 is formed by splicing a plurality of arc-shaped strips 311 in a circumferential direction, and can be controlled independently through a telescopic rod to stir water flow locally, promote the flow of the water flow and increase the diversion of wastewater and purified water; and can realize the local extrusion of reverse osmosis membrane length direction, in reverse osmosis membrane hoop direction, reduce simultaneously extruded scope, avoid reverse osmosis membrane to damage easily.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model described above, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims

1. An ultrafiltration reverse osmosis membrane group structure, which is characterized in that: comprises a membrane group pipe body (1); a reverse osmosis membrane tube (2) is fixedly arranged in the middle of the inside of the membrane group tube body (1); one end of the reverse osmosis membrane tube (2) is arranged at an opening interval corresponding to the membrane group tube body (1) and is a closed end (21), and a water collecting tube (22) in the middle of the reverse osmosis membrane tube (2) is communicated with a water outlet of the membrane group tube body (1); the membrane group pipe body (1) water inlet department is provided with and pushes away structure (3), push away the crowded ring (31) of structure (3) and encircle blind end (21) setting, power device drive push away crowded ring (31) along reverse osmosis membrane pipe (2) length direction round trip movement, extrude reverse osmosis membrane pipe (2) lateral wall.

2. The ultrafiltration reverse osmosis membrane assembly structure according to claim 1, wherein: a plurality of reverse osmosis membranes are wrapped outside the water collecting pipe (22) layer by layer to form a reverse osmosis membrane pipe (2); the diameter of the reverse osmosis membrane tube (2) is gradually increased along the water outlet direction, and the increased end of the reverse osmosis membrane tube (2) is fixed in the membrane group tube body (1) through the fixing ring (4).

3. The ultrafiltration reverse osmosis membrane assembly structure according to claim 2, wherein: a wastewater chamber is formed between the enlarged end of the reverse osmosis membrane tube (2) and the water outlet of the membrane group tube body (1), and the wastewater chamber is communicated with the outside through a water outlet pipe; one end of the water collecting pipe (22) extends through the wastewater chamber to be communicated with the water outlet of the membrane group pipe body (1), and the inside of the water collecting pipe (22) is sealed with the wastewater chamber.

4. A reverse osmosis membrane module structure according to claim 3, wherein: the side wall of the water collecting pipe (22) is provided with a plurality of water inlet holes (221) in a surrounding mode, the water inlet holes (221) are arranged corresponding to the reverse osmosis membrane, and the orifices of the water inlet holes (221) gradually decrease towards the center direction of the water collecting pipe (22).

5. The ultrafiltration reverse osmosis membrane module structure according to claim 4, wherein: the pushing structure (3) further comprises a telescopic rod (32), and the telescopic rod (32) is arranged along the length direction of the membrane group pipe body (1); a power device arranged at the water inlet of the membrane group pipe body (1) is in driving connection with one end of a telescopic rod (32); the other end of the telescopic rod (32) is fixed on one side of the pushing ring (31).

6. The ultrafiltration reverse osmosis membrane module structure according to claim 5, wherein: the inner wall of the pushing ring (31) is arranged at a distance from the closed end (21), and the inner wall of the pushing ring (31) which moves is contacted with the surface of the enlarged end of the reverse osmosis membrane tube (2).

7. The ultrafiltration reverse osmosis membrane module structure according to claim 5, wherein: the section of the inner ring of the pushing ring (31) is arc-shaped, and an elastic layer is arranged on the surface of the inner ring of the pushing ring (31); the pushing ring (31) is formed by splicing a plurality of arc-shaped sheet strips (311) in a circumferential direction.