CN212864224U - Leather waste water reverse osmosis treatment device - Google Patents
Leather waste water reverse osmosis treatment device Download PDFInfo
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- CN212864224U CN212864224U CN202021663810.2U CN202021663810U CN212864224U CN 212864224 U CN212864224 U CN 212864224U CN 202021663810 U CN202021663810 U CN 202021663810U CN 212864224 U CN212864224 U CN 212864224U
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Abstract
The utility model discloses a leather wastewater reverse osmosis treatment device, which is characterized in that a first-stage reverse osmosis membrane structure and a second-stage reverse osmosis membrane structure are arranged in series, the water purification side of a first-stage membrane tube is communicated with the concentrated water side of a second-stage membrane tube, and the water purification side of the second-stage membrane tube is communicated with a product water outlet; the concentrated water side of the first-stage membrane tube and the concentrated water side of the second-stage membrane tube are respectively communicated with a concentrated water outlet; the concentrated water side of the two-section membrane tube is communicated to the water inlet tube through a circulating pipeline, and the circulating pipeline is provided with a circulating device. The utility model discloses a concentrated water of concentrated water side of two-stage process membrane tube can flow back to the inlet tube through circulating device, circulation pipeline, gets into one-level membrane tube, two-stage process membrane tube in proper order from the inlet tube and further separates concentrated water composition once more, carries out abundant, effectual utilization to the concentrated water of two-stage process membrane tube concentrated water side, carries out abundant separation to the concentrated water separation in the concentrated water, avoids concentrated water directly to arrange and falls and cause great waste, has practiced thrift the water consumption, has reduced the water cost.
Description
Technical Field
The utility model belongs to the technical field of leather waste water treatment equipment and specifically relates to a leather waste water reverse osmosis treatment device.
Background
In the leather processing process, various chemical raw materials are needed, so that the leather processing wastewater contains pollutants such as grease, collagen, animal and plant fibers, organic and inorganic solid matters, sulfides, chromium, salts, surfactants, dyes and the like. The reverse osmosis membrane treatment process is commonly used for recycling the leather wastewater, the process takes the leather wastewater after biochemical treatment as inlet water, and adopts a combined process of reverse osmosis membrane treatment to ensure that the outlet water meets the recycling or discharging requirements. At present, a two-section reverse osmosis membrane structure is adopted, after leather wastewater enters from a water inlet, the leather wastewater is firstly treated by a first reverse osmosis membrane structure to obtain first-stage purified water with lower concentration, the first-stage purified water enters a second-section reverse osmosis membrane structure for further treatment, the obtained product water with lower concentration and qualified is discharged from a product water outlet, and concentrated water with higher concentration obtained by the first-stage reverse osmosis membrane structure and the second-section reverse osmosis membrane structure is discharged from a concentrated water outlet. The concentrated water obtained by the two sections of reverse osmosis membrane structures of the reverse osmosis membrane treatment device is directly drained from the water outlet, the concentration of the concentrated water treated by the second section of reverse osmosis membrane structure is lower than that of the concentrated water of the first stage, namely, the concentrated water of the second section also contains more pure water components and is directly drained, the water consumption is relatively wasted, and the water consumption cost is relatively high.
SUMMERY OF THE UTILITY MODEL
The applicant provides a leather wastewater reverse osmosis treatment device with a reasonable structure, which can save water and reduce water cost, aiming at the defects of water waste, low economy and the like of the existing reverse osmosis membrane treatment device.
The utility model discloses the technical scheme who adopts as follows:
a leather wastewater reverse osmosis treatment device is characterized in that a first-stage reverse osmosis membrane structure and a second-stage reverse osmosis membrane structure are arranged in series, the first-stage reverse osmosis membrane structure comprises a plurality of first-stage membrane pipes, the second-stage reverse osmosis membrane structure comprises a plurality of second-stage membrane pipes, membrane cores are arranged in the first-stage membrane pipes and the second-stage membrane pipes, the inner parts of the membrane pipes are divided into a concentrated water side and a purified water side, the concentrated water side of the first-stage membrane pipes is communicated with a water inlet through a water inlet pipe, the purified water side of the first-stage membrane pipes is communicated with the concentrated water side of the; the concentrated water side of the first-stage membrane tube and the concentrated water side of the second-stage membrane tube are respectively communicated with a concentrated water outlet; the concentrated water side of the two-section membrane tube is communicated to the water inlet tube through a circulating pipeline, and the circulating pipeline is provided with a circulating device.
As a further improvement of the above technical solution:
the water inlet pipe is also provided with a first cleaning inlet; the first-stage membrane tube and the other end of the second-stage membrane tube are provided with a first cleaning backflow port and a second cleaning inlet through cleaning pipelines, and the second-stage membrane tube is positioned at the same end of the water inlet tube and is provided with a second cleaning backflow port through a pipeline.
The concentrated water side of the first-stage membrane tube is communicated with the concentrated water outlet through the first-stage concentrated water tube, and the concentrated water side of the second-stage membrane tube is communicated with the concentrated water outlet through the second-stage concentrated water tube.
The first-stage reverse osmosis membrane structure and the second-stage reverse osmosis membrane structure are arranged on a rack, and a control cabinet is arranged on the rack.
The rack is also provided with an instrument panel, and the instrument panel is provided with a pressure gauge and a flowmeter.
The utility model has the advantages as follows:
the utility model discloses a concentrated water of concentrated water side of two-stage segment membrane tube can flow back to the inlet tube through circulating device, circulation line, get into first order membrane tube, two-stage segment membrane tube from the inlet tube in proper order and further separate the concentrated water composition once more, carry out abundant, effectual utilization to the concentrated water of two-stage segment membrane tube concentrated water side, carry out abundant separation to the concentrated water separation in the concentrated water, avoid the concentrated water directly to drain and cause great waste; and the concentrated water of the two-section membrane tube flows back and can supplement the water inflow of the water inlet pipe, thereby reducing the water consumption input from the water inlet, saving the water and reducing the water consumption cost.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of fig. 1.
In the figure: 1. a frame; 2. a control cabinet; 3. an instrument panel; 4. a primary membrane tube; 5. two sections of membrane tubes; 6. a water inlet; 7. a first purge inlet; 8. a first cleaning return port; 9. a second purge inlet; 10. a second cleaning return port; 11. a first-stage concentrated water pipe; 12. a second section of concentrated water pipe; 13. a circulation device; 14. a circulation line; 15. a product water outlet; 16. a concentrated water outlet; 17. a water inlet pipe; 18. a product water outlet pipe; 19. and (5) cleaning the pipeline.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the first-stage reverse osmosis membrane structure and the second-stage reverse osmosis membrane structure are sequentially arranged on the frame 1 in series, the first-stage reverse osmosis membrane structure comprises a plurality of first-stage membrane tubes 4, and the second-stage reverse osmosis membrane structure comprises a plurality of second-stage membrane tubes 5; the rack 1 is also provided with a control cabinet 2 and an instrument panel 3, the control cabinet 2 is used for controlling the operation of the whole device, and the instrument panel 3 is provided with a pressure gauge and a flow meter for monitoring the pressure and flow conditions in each membrane tube.
As shown in fig. 1 and 2, in the present embodiment, the first-stage reverse osmosis membrane structure is provided with two first-stage membrane tubes 4, the second-stage reverse osmosis membrane structure is provided with one second-stage membrane tube 5, reverse osmosis membrane cores are arranged in the first-stage membrane tubes 4 and the second-stage membrane tube 5, and the membrane cores divide the interior of the membrane tubes into a concentrated water side and a purified water side. One end of the first-stage membrane tube 4 is provided with a water inlet 6 through a water inlet tube 17, the water inlet tube 17 is communicated with the concentrated water side of the first-stage membrane tube 4, the concentrated water side of the first-stage membrane tube 4 is communicated with the concentrated water side of the second-stage membrane tube 5 through a pipeline, the purified water side of the second-stage membrane tube 5 is communicated with a product water outlet 15 through a product water outlet tube 18, the concentrated water side of the first-stage membrane tube 4 is communicated with a concentrated water outlet 16 through a first-stage concentrated water tube 11, and the concentrated water side of the second-stage membrane tube 5 is communicated with a concentrated water; the second-stage concentrated water pipe 12 is communicated to a water inlet pipe 17 through a circulating pipeline 14, a circulating device 13 is arranged on the circulating pipeline 14, concentrated water on the concentrated water side of the second-stage membrane pipe 5 can flow back to the water inlet pipe 17 through the circulating device 13 and the circulating pipeline 14, the concentrated water sequentially enters the first-stage membrane pipe 4 and the second-stage membrane pipe 5 from the water inlet pipe 17 to further separate the concentrated water, the concentrated water on the concentrated water side of the second-stage membrane pipe 5 is fully and effectively utilized, the concentrated water in the concentrated water is fully separated, and the concentrated water is prevented from being directly drained to cause large waste; and the concentrated water of the two-section membrane tube 5 flows back and can supplement the water inflow of the water inlet pipe 17, thereby reducing the water consumption input from the water inlet 6, saving the water and reducing the water consumption cost.
As shown in fig. 1 and 2, the water inlet pipe 17 is further provided with a first cleaning inlet 7; the other ends of the first-stage membrane tube 4 and the second-stage membrane tube 5 are provided with a first cleaning backflow port 8 and a second cleaning inlet 9 through a cleaning pipeline 19, and the second-stage membrane tube 5 is positioned at the same end of the water inlet pipe 17 and is provided with a second cleaning backflow port 10 through a pipeline; cleaning fluid regularly enters the first-stage membrane tube 4 from the first cleaning inlet 7 and enters the second-stage membrane tube 5 from the second cleaning inlet 9 to clean the membrane core, and flows out from the first cleaning backflow port 8 and the second cleaning backflow port 10 respectively; the cleaning liquid can clean the deposit on the membrane core and restore the filtering performance of the membrane core.
The utility model discloses during the in-service use, leather waste water is from water inlet 6 inputs, and after one- level membrane pipe 4, 5 filtration treatment of two-stage process membrane pipe in proper order, the product water that obtains is discharged from product water export 15, and concentrated water is discharged from dense water export 16.
The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides a leather waste water reverse osmosis processing apparatus, the one-level reverse osmosis membrane structure and two-stage reverse osmosis membrane structure are arranged in series, and the one-level reverse osmosis membrane structure includes a plurality of one-level membrane pipes (4), and two-stage reverse osmosis membrane structure includes a plurality of two-stage section membrane pipes (5), has the membrane core in one-level membrane pipe (4), two-stage section membrane pipe (5), is concentrated water side and clean water side, its characterized in that with the membrane intraductal part: the concentrated water side of the first-stage membrane tube (4) is communicated with the water inlet (6) through a water inlet tube (17), the purified water side of the first-stage membrane tube (4) is communicated with the concentrated water side of the second-stage membrane tube (5), and the purified water side of the second-stage membrane tube (5) is communicated with a product water outlet (15); the concentrated water side of the first-stage membrane tube (4) and the concentrated water side of the second-stage membrane tube (5) are respectively communicated with a concentrated water outlet (16); the concentrated water side of the two-section membrane tube (5) is communicated to a water inlet tube (17) through a circulating pipeline (14), and a circulating device (13) is arranged on the circulating pipeline (14).
2. A reverse osmosis treatment apparatus for leather wastewater according to claim 1, wherein: the water inlet pipe (17) is also provided with a first cleaning inlet (7); the other ends of the first-stage membrane tube (4) and the second-stage membrane tube (5) are provided with a first cleaning backflow port (8) and a second cleaning inlet (9) through a cleaning pipeline (19), and the second-stage membrane tube (5) is positioned at the same end of the water inlet tube (17) and is provided with a second cleaning backflow port (10) through a pipeline.
3. A reverse osmosis treatment apparatus for leather wastewater according to claim 1, wherein: the concentrated water side of the first-stage membrane tube (4) is communicated with a concentrated water outlet (16) through a first-stage concentrated water tube (11), and the concentrated water side of the second-stage membrane tube (5) is communicated with the concentrated water outlet (16) through a second-stage concentrated water tube (12).
4. A reverse osmosis treatment apparatus for leather wastewater according to claim 1, wherein: the first-stage reverse osmosis membrane structure and the second-stage reverse osmosis membrane structure are arranged on the rack (1), and the rack (1) is provided with a control cabinet (2).
5. A reverse osmosis treatment device for leather wastewater according to claim 4, wherein: an instrument panel (3) is further arranged on the rack (1), and a pressure gauge and a flowmeter are arranged on the instrument panel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663810.2U CN212864224U (en) | 2020-08-12 | 2020-08-12 | Leather waste water reverse osmosis treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663810.2U CN212864224U (en) | 2020-08-12 | 2020-08-12 | Leather waste water reverse osmosis treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212864224U true CN212864224U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021663810.2U Active CN212864224U (en) | 2020-08-12 | 2020-08-12 | Leather waste water reverse osmosis treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212864224U (en) |
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2020
- 2020-08-12 CN CN202021663810.2U patent/CN212864224U/en active Active
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