CN219009995U - RO filter equipment for sewage treatment - Google Patents

RO filter equipment for sewage treatment Download PDF

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Publication number
CN219009995U
CN219009995U CN202223563782.9U CN202223563782U CN219009995U CN 219009995 U CN219009995 U CN 219009995U CN 202223563782 U CN202223563782 U CN 202223563782U CN 219009995 U CN219009995 U CN 219009995U
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China
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reverse osmosis
osmosis membrane
pipe
membrane group
water
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CN202223563782.9U
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Chinese (zh)
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戴雨勋
赵云锋
于志坚
李增文
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Guangdong Xianneng Environmental Protection Technology Co ltd
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Guangdong Xianneng Environmental Protection Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

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Abstract

The utility model discloses an RO (reverse osmosis) filtering device for sewage treatment, which comprises a membrane frame and an RO reverse osmosis membrane group, wherein the RO reverse osmosis membrane group comprises a first-stage RO reverse osmosis membrane group and a second-stage RO reverse osmosis membrane group, the RO reverse osmosis membrane group comprises a plurality of RO reverse osmosis membrane elements, a raw water main water inlet pipe is arranged at one side of a water inlet end of the RO reverse osmosis membrane group, a filter is connected to the raw water main water inlet pipe, and the first-stage RO reverse osmosis membrane group is communicated with the raw water main water inlet pipe through a first-stage raw water branch pipe; a wastewater discharge main pipe is arranged at one side of the water outlet end of the RO reverse osmosis membrane group, and the RO reverse osmosis membrane group is communicated with the wastewater discharge main pipe through a wastewater discharge branch pipe; the end part of the water outlet end of the RO reverse osmosis membrane group is provided with a clear water collecting main pipe, and the RO reverse osmosis membrane group is communicated with the clear water collecting main pipe through a clear water collecting branch pipe; a second-stage return water pipe is arranged at one side of the water inlet end of the RO reverse osmosis membrane group, and the second-stage RO reverse osmosis membrane group is communicated with the second-stage return water pipe through a second-stage return water branch flow pipe.

Description

RO filter equipment for sewage treatment
Technical Field
The utility model relates to the field of sewage treatment equipment, in particular to an RO (reverse osmosis) filtering device for sewage treatment.
Background
In the sewage deep purification process, in order to recycle the water after being treated, the RO reverse osmosis filter device which can effectively remove calcium, magnesium, bacteria, organic matters, inorganic matters, metal ions, radioactive matters and the like in the water is used, and even the water after being purified by the device can be directly drunk.
At present, in the advanced industrial sewage treatment process, the RO filter device used only has one-stage filter membrane group, if the publication number is: CN216303341U, patent name: the utility model provides a high salt effluent treatment plant based on RO membrane, it discloses a RO filter equipment, and it filters waste water through a set of RO membrane, but it can't carry out the secondary filtration to the waste water after the filtration of one-level filtration membrane group, and the waste water rate is higher, and before its raw water gets into the RO membrane, does not filter for the particulate in the waste water damages the RO membrane easily, influences the life of RO membrane.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides an RO (reverse osmosis) filtering device for sewage treatment, and solves the problems of high wastewater rate and short service life of an RO membrane of the conventional RO filtering device.
The technical scheme adopted by the utility model for achieving the purpose is as follows:
the RO filtering device for sewage treatment comprises a membrane frame and an RO reverse osmosis membrane group arranged on the membrane frame, wherein the RO reverse osmosis membrane group comprises a first-stage RO reverse osmosis membrane group and a second-stage RO reverse osmosis membrane group, the first-stage RO reverse osmosis membrane group and the second-stage RO reverse osmosis membrane group both comprise a plurality of RO reverse osmosis membrane elements, a raw water main water inlet pipe is arranged at one side of a water inlet end of the RO reverse osmosis membrane group, a filter is connected to the raw water main water inlet pipe, and the first-stage RO reverse osmosis membrane group is communicated with the raw water main water inlet pipe through a first-stage raw water branch pipe; a wastewater discharge main pipe is arranged at one side of the water outlet end of the RO reverse osmosis membrane group, and the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group are communicated with the wastewater discharge main pipe through a wastewater discharge branch pipe; a clear water collecting main pipe is arranged at the end part of the water outlet end of the RO reverse osmosis membrane group, and the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group are communicated with the clear water collecting main pipe through clear water collecting branch pipes; a secondary return pipe is arranged at one side of the water inlet end of the RO reverse osmosis membrane group and is communicated with the wastewater discharge main pipe, and the secondary RO reverse osmosis membrane group is communicated with the secondary return pipe through a secondary return branch pipe.
The RO reverse osmosis membrane element comprises a shell, wherein an RO reverse osmosis membrane is arranged in the shell, a water collecting pipe is arranged at the center of the RO reverse osmosis membrane, an anti-seepage ring is arranged at the water outlet end of the water collecting pipe, and a water stop belt is arranged at the raw water inlet end of the RO reverse osmosis membrane.
The RO reverse osmosis membrane sequentially comprises a raw water diversion net, a first RO membrane, a permeation water channel net and a second RO membrane from inside to outside.
The pore diameters of the first RO membrane and the second RO membrane are 3.5-6 μm.
The RO reverse osmosis membrane element is communicated with the primary raw water branch pipe or the secondary backwater branch pipe through the raw water inlet.
The upper part of the front end of the shell is provided with a wastewater outlet, and the RO reverse osmosis membrane element is communicated with the wastewater discharge branch pipe through the wastewater outlet.
The RO reverse osmosis membrane element is communicated with the clear water collecting branch pipe through the clear water outlet.
And a water outlet tap is arranged at the clean water outlet.
The membrane frame comprises a raw water main water inlet pipe support frame and an RO reverse osmosis membrane group support frame which are arranged side by side, wherein the RO reverse osmosis membrane group support frame is of a multi-layer structure, support beams are arranged in the middle of the front portion and the rear portion of each layer, middle support rods are arranged in the middle of the support beams, and side support rods are arranged on the two sides of the support beams.
The beneficial effects of the utility model are as follows: according to the RO filter device for sewage treatment, the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group are arranged, so that the wastewater generated by the primary RO reverse osmosis membrane group can be filtered through the secondary RO reverse osmosis membrane group again, the wastewater rate is reduced, and high-concentration brine is discharged. Through setting up the filter in raw water owner inlet tube department to avoid the particulate matter that contains in the raw water to enter into the RO membrane, lead to the fact the damage to the RO membrane, influence the life of RO membrane, and then improved the life of RO membrane greatly, reduced use cost.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the other side of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the RO reverse osmosis membrane element of the present utility model;
FIG. 4 is a schematic diagram of RO reverse osmosis membrane element structure;
FIG. 5 is a schematic diagram of the internal structure of an RO reverse osmosis membrane element.
In the figure: 1. the membrane frame 2 is provided with an RO reverse osmosis membrane element 3, a raw water main water inlet pipe 4, a filter 5, a primary raw water branch pipe 6, a waste water discharge main pipe 7 and a waste water discharge branch pipe
8. Clear water collecting main pipe 9, clear water collecting branch pipe 10, secondary return pipe
11. Secondary backwater branch pipe 12, shell 13, water collecting pipe 14 and impervious ring
15. A water stop 16, a raw water guide net 17, a first RO membrane
18. Permeate the water channel net 19, a second RO membrane 20, a raw water inlet
21. Waste water outlet 22, clear water outlet 23, water outlet tap
24. Raw water main water inlet pipe supporting frame 25.RO reverse osmosis membrane group supporting frame
26. Support beam 27, middle support bar 28, side support bars
Detailed Description
Examples: referring to fig. 1 to 3, the present embodiment provides an RO filtering device for sewage treatment, which includes a membrane frame 1 and an RO reverse osmosis membrane group disposed on the membrane frame 1, wherein the RO reverse osmosis membrane group includes a primary RO reverse osmosis membrane group and a secondary RO reverse osmosis membrane group, each of the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group includes a plurality of RO reverse osmosis membrane elements 2, a raw water main water inlet pipe 3 is disposed at a water inlet end side of the RO reverse osmosis membrane group, a filter 4 is connected to the raw water main water inlet pipe 3, and the primary RO reverse osmosis membrane group is communicated with the raw water main water inlet pipe 3 through a primary raw water branch pipe 5; a wastewater discharge main pipe 6 is arranged at one side of the water outlet end of the RO reverse osmosis membrane group, and the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group are communicated with the wastewater discharge main pipe 6 through a wastewater discharge branch pipe 7; a clear water collecting main pipe 8 is arranged at the end part of the water outlet end of the RO reverse osmosis membrane group, and the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group are communicated with the clear water collecting main pipe 8 through clear water collecting branch pipes 9; the other side of the water inlet end of the RO reverse osmosis membrane group is provided with a second-stage water return pipe 10, the second-stage water return pipe 10 is communicated with the wastewater discharge main pipe 6, and the second-stage RO reverse osmosis membrane group is communicated with the second-stage water return pipe 10 through a second-stage water return branch pipe 11.
The RO reverse osmosis membrane element 2 comprises a shell 12, wherein an RO reverse osmosis membrane is arranged in the shell 12, a water collecting pipe 13 is arranged at the center of the RO reverse osmosis membrane, an anti-seepage ring 14 is arranged at the water outlet end of the water collecting pipe 13, and a water stop belt 15 is arranged at the raw water inlet end of the RO reverse osmosis membrane.
The RO reverse osmosis membrane sequentially comprises a raw water diversion net 16, a first RO membrane 17, a permeation water channel net 18 and a second RO membrane 19 from inside to outside.
The pore diameters of the first RO membrane 17 and the second RO membrane 19 are 3.5 μm to 6 μm.
The upper part of the rear end of the shell 12 is provided with a raw water inlet 20, and the RO reverse osmosis membrane element 2 is communicated with the primary raw water branch pipe 5 or the secondary backwater branch pipe 11 through the raw water inlet 20.
The upper part of the front end of the shell 12 is provided with a wastewater outlet 21, and the RO reverse osmosis membrane element 2 is communicated with the wastewater discharge branch pipe 7 through the wastewater outlet 21.
The front end face of the shell 12 is provided with a clear water outlet 22 corresponding to the water collecting pipe 13, and the RO reverse osmosis membrane element 2 is communicated with the clear water collecting branch pipe 9 through the clear water outlet 22.
A water outlet tap 23 is also arranged at the clean water outlet 22.
The membrane frame 1 comprises a raw water main water inlet pipe support frame 24 and an RO reverse osmosis membrane group support frame 25 which are arranged side by side, wherein the RO reverse osmosis membrane group support frame 25 is of a multi-layer structure, support beams 26 are arranged at the front part, the middle part and the rear part of each layer, middle support rods 27 are arranged at the middle part of the support beams 26, and side support rods 28 are arranged at the two sides of the support beams 26.
The primary raw water branch pipe 5 is transversely arranged above the raw water inlet 20 of the primary RO reverse osmosis membrane group and is arranged corresponding to the raw water inlet 20. The waste water discharge branch pipe 7 is transversely arranged above the waste water outlets 21 of the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group and is arranged corresponding to the waste water outlets 21. The clean water collecting branch pipe 9 is transversely arranged in front of the clean water outlet 22 of the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group and is arranged corresponding to the clean water outlet 22. The secondary backwater branch pipe 11 is transversely arranged above the raw water inlet 20 of the secondary RO reverse osmosis membrane group and is arranged corresponding to the raw water inlet 20.
The raw water inlet 20, the waste water outlet 21 and the clear water outlet 22 are communicated with the primary raw water branch pipe 5/the secondary backwater branch pipe 11, the waste water discharge branch pipe 7 and the clear water collecting branch pipe 9 through capillary branch pipes.
Through above-mentioned membrane frame 1 structure, the cooperation transversely sets up one-level raw water branch pipe 5, waste water discharge branch pipe 7, clear water collection branch pipe 9, second grade return water branch pipe 11 to can collect branch pipe 9, the connection installation of second grade return water branch pipe 11 with the help of one-level raw water branch pipe 5, waste water discharge branch pipe 7, clear water, fine fixed RO reverse osmosis membrane original 2 need not to additionally adorn RO reverse osmosis membrane original 2 fixing device or mounting in addition, be convenient for later stage to the change of RO reverse osmosis membrane original 2.
The secondary water return pipe 10 can also be connected with waste water such as a backwashing waste water pipe for filtering treatment. And the secondary water return pipe can be connected with a clean water pipe through a three-way valve and is used for cleaning the RO reverse osmosis membrane original 2 in the secondary RO reverse osmosis membrane.
The raw water main water inlet pipe 3 can be further provided with a three-way valve, and the raw water main water inlet pipe is connected with a clean water pipe through the three-way valve and is used for cleaning the RO reverse osmosis membrane elements 2 in the primary RO reverse osmosis membrane group.
However, the foregoing description is only a preferred embodiment of the present utility model and is not intended to limit the scope of the utility model, so that other embodiments described in the application of the present utility model, and equivalent variations are included in the protection scope of the present utility model.

Claims (9)

1. The RO filtering device for sewage treatment is characterized by comprising a membrane frame and an RO reverse osmosis membrane group arranged on the membrane frame, wherein the RO reverse osmosis membrane group comprises a primary RO reverse osmosis membrane group and a secondary RO reverse osmosis membrane group, the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group both comprise a plurality of RO reverse osmosis membrane elements, a raw water main water inlet pipe is arranged at one side of a water inlet end of the RO reverse osmosis membrane group, a filter is connected to the raw water main water inlet pipe, and the primary RO reverse osmosis membrane group is communicated with the raw water main water inlet pipe through a primary raw water branch pipe; a wastewater discharge main pipe is arranged at one side of the water outlet end of the RO reverse osmosis membrane group, and the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group are communicated with the wastewater discharge main pipe through a wastewater discharge branch pipe; a clear water collecting main pipe is arranged at the end part of the water outlet end of the RO reverse osmosis membrane group, and the primary RO reverse osmosis membrane group and the secondary RO reverse osmosis membrane group are communicated with the clear water collecting main pipe through clear water collecting branch pipes; a secondary return pipe is arranged at one side of the water inlet end of the RO reverse osmosis membrane group and is communicated with the wastewater discharge main pipe, and the secondary RO reverse osmosis membrane group is communicated with the secondary return pipe through a secondary return branch pipe.
2. The RO filter device for wastewater treatment according to claim 1, wherein the RO membrane element comprises a housing, wherein a RO membrane is provided inside the housing, a water collecting pipe is provided at the center of the RO membrane, an impermeable ring is provided at the water outlet end of the water collecting pipe, and a water stop is provided at the raw water inlet end of the RO membrane.
3. The RO filter device for wastewater treatment according to claim 2, wherein the RO membrane comprises a raw water diversion net, a first RO membrane, a permeate water passage net and a second RO membrane in this order from inside to outside.
4. The RO filter device for sewage treatment according to claim 3, wherein the pore diameters of the first RO membrane and the second RO membrane are 3.5 μm to 6. Mu.m.
5. The RO filter device for sewage treatment according to claim 2, wherein a raw water inlet is provided in an upper portion of a rear end of the housing, and the RO reverse osmosis membrane element is connected to the primary raw water branch pipe or the secondary backwater branch pipe through the raw water inlet.
6. The RO filter device for wastewater treatment according to claim 2, wherein a wastewater outlet is provided in an upper portion of a front end of the housing, and the RO reverse osmosis membrane element is connected to the wastewater discharge branch pipe through the wastewater outlet.
7. The RO filter device for sewage treatment according to claim 2, wherein a clean water outlet is provided in the front end face of the housing corresponding to the water collecting pipe, and the RO reverse osmosis membrane element is connected to the clean water collecting branch pipe through the clean water outlet.
8. The RO filter device for wastewater treatment according to claim 7, wherein a tap is further provided at the clean water outlet.
9. The RO filter device for sewage treatment according to claim 1, wherein the membrane frame comprises a raw water main water inlet pipe support frame and an RO reverse osmosis membrane group support frame which are arranged side by side, wherein the RO reverse osmosis membrane group support frame is of a multi-layer structure, support beams are arranged in the middle of the front part and the rear part of each layer, middle support rods are arranged in the middle of the support beams, and side support rods are arranged on two sides of the support beams.
CN202223563782.9U 2022-12-30 2022-12-30 RO filter equipment for sewage treatment Active CN219009995U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223563782.9U CN219009995U (en) 2022-12-30 2022-12-30 RO filter equipment for sewage treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223563782.9U CN219009995U (en) 2022-12-30 2022-12-30 RO filter equipment for sewage treatment

Publications (1)

Publication Number Publication Date
CN219009995U true CN219009995U (en) 2023-05-12

Family

ID=86268017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223563782.9U Active CN219009995U (en) 2022-12-30 2022-12-30 RO filter equipment for sewage treatment

Country Status (1)

Country Link
CN (1) CN219009995U (en)

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