Concentrated water quality purification device

Abstract

A concentrated water quality purification device comprises a first concentrated water return tank and a second concentrated water return tank, one end of the first concentrated water return tank is connected into a first power pump, the first power pump is provided with a first connecting pipeline, and one position of the first connecting pipeline is connected with a first concentrated water filtering pipeline; one end of the second concentrated water return tank is connected into a second power pump, a second connecting pipeline is arranged on the second power pump, and one part of the second connecting pipeline is connected with a second concentrated water filtering pipeline; one end of the first concentrated water filtering pipeline is connected into the second concentrated water filtering pipeline; the device can efficiently filter and purify the water quality of concentrated water, ensures the long-period stable operation of the sewage stripping tower, reduces the maintenance frequency and improves the production efficiency.

Description

Technical Field

[0001] The utility model relates to the field of wastewater treatment, in particular to a concentrated water purification device. Background Art

[0002] The wastewater generated by the DMTO (methanol to olefins) reaction is partially returned to the wastewater stripping tower, while the remaining portion enters the methanol gas feed line for organic matter recovery. The reflux concentrate from the wastewater stripping tower contains a large amount of catalyst particles and reaction byproducts. These impurities adhere to the wastewater stripping trays and clog them, increasing the operating pressure differential of the wastewater stripping tower and hindering the smooth operation of the unit.

[0003] In order to solve the above problems, there is an urgent need for a concentrated water purification device that can efficiently filter and purify the concentrated water quality, ensure the stable operation of the sewage stripping tower over a long period of time, reduce the number of maintenance times, and improve production efficiency. Summary of the Invention

[0004] A concentrated water purification device can efficiently filter and purify the concentrated water quality, ensure the long-term stable operation of the sewage stripping tower, reduce the number of maintenance times, and improve production efficiency.

[0005] A concentrated water purification device includes a first concentrated water reflux tank and a second concentrated water reflux tank, wherein:

[0006] One end of the first concentrated water reflux tank is connected to a first power pump, the first power pump is provided with a first connecting pipe, and one point of the first connecting pipe is connected to a first concentrated water filtering pipe;

[0007] One end of the second concentrated water reflux tank is connected to a second power pump, the second power pump is provided with a second connecting pipe, and one point of the second connecting pipe is connected to a second concentrated water filter pipe;

[0008] One end of the first concentrated water filter pipe is connected to the second concentrated water filter pipe, one end of the second concentrated water filter pipe is connected to the filter circulation pipe, one end of the filter circulation pipe is connected to the filter diversion pipe, and the two ends of the filter diversion pipe are respectively connected to the first filter and the second filter;

[0009] A first exhaust gas discharge pipe is provided on the top of the first filter, one end of which is connected to the regeneration exhaust gas pipe. A second exhaust gas discharge pipe is provided on the top of the second filter, one end of which is connected to the regeneration exhaust gas pipe, and one end of the regeneration exhaust gas pipe is connected to the regeneration gas recovery port.

[0010] The bottom of the first filter and the second filter are connected to the filter return pipe, the filter return pipe is connected to the concentrated water return main pipe, one side of the concentrated water return main pipe is connected to the concentrated water return sub-pipe, the other ends of the concentrated water return main pipe and the concentrated water return sub-pipe are respectively connected to the return water collection pipe, and one end of the return water collection pipe is connected to the return water collection pipe mouth.

[0011] Preferably, the first connecting pipe, the first concentrated water filtering pipe, the second connecting pipe and the second concentrated water filtering pipe are all provided with a plurality of control valves.

[0012] Preferably, a first backup drainage pipeline is provided on the first connecting pipe, a control valve is provided on the first backup drainage pipeline, and one end of the first backup drainage pipeline is connected to the concentrated water return main pipeline.

[0013] Preferably, a second backup drainage pipeline is provided on the first connecting pipe, a control valve is provided on the second backup drainage pipeline, and one end of the second backup drainage pipeline is connected to the concentrated water return main pipeline.

[0014] Preferably, three-way valves are provided on the first connecting pipe and the second connecting pipe.

[0015] Preferably, a first steam exhaust pipe is provided under the first filter, one end of the first steam exhaust pipe is connected to the regeneration steam exhaust pipe, and one end of the regeneration steam exhaust pipe is connected to the regeneration steam collecting port.

[0016] Preferably, a second steam exhaust pipe is provided under the second filter, and one end of the second steam exhaust pipe is connected to the regeneration steam exhaust pipe.

[0017] Beneficial effects of the present invention: The present invention is a concentrated water purification device. This device can realize the recycling treatment of wastewater through the dual-tank configuration and dual-power pump design, thereby improving the purification efficiency and ensuring that the concentrated water reaches the predetermined water quality standard in a relatively short time. This device realizes the backflow and reuse of concentrated water, reduces the waste of water resources, and a part of the treated water filtered out can be reused. It is equipped with multiple control valves and spare drainage lines, which can be adjusted according to actual conditions, so that operators can carry out maintenance and troubleshooting in time to ensure the continuity and stability of the system. The design of this device fully considers emergency handling of faults and is equipped with a spare drainage line, which can quickly eliminate problems when faults occur, ensuring the safe and stable operation of the device. This device adopts flexible components such as three-way valves. The device can be adjusted according to different work requirements to adapt to the concentrated water treatment needs in various industrial scenarios, thereby improving the safety and efficiency of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of a concentrated water purification device of the utility model.

[0019] In the figure: the first concentrated water reflux tank 1, the first power pump 2, the first connecting pipe 3, the first concentrated water filter pipe 4, the second concentrated water reflux tank 5, the second power pump 6, the second connecting pipe 7, the second concentrated water filter pipe 8, the filter circulation pipe 9, the filter diversion pipe 10, the first filter 11, the second filter 12, the first exhaust gas exhaust pipe 13, the regeneration exhaust gas pipe 14, the second exhaust gas exhaust pipe 15, the regeneration gas recovery port 16, the filter reflux pipe 17, the concentrated water reflux main pipe 18, the concentrated water reflux auxiliary pipe 19, the reflux water collecting pipe 20, the first spare drainage line 21, the second spare drainage line 22, the reflux water collecting pipe port 23, the first steam exhaust pipe 24, the regeneration steam exhaust pipe 25, the regeneration steam collecting port 26, and the second steam exhaust pipe 27. DETAILED DESCRIPTION

[0020] In order to make the technical solution of the present invention easier to understand, the technical solution of the present invention is now clearly and completely described in conjunction with the accompanying drawings using specific embodiments.

[0021] Example 1:

[0022] like Figure 1 As shown, the embodiment of the present invention Figure 1 A concentrated water purification device includes a first concentrated water reflux tank 1 and a second concentrated water reflux tank 5, wherein:

[0023] One end of the first concentrated water reflux tank 1 is connected to the first power pump 2, the first power pump 2 is provided with a first connecting pipe 3, and one point of the first connecting pipe 3 is connected to the first concentrated water filtering pipe 4;

[0024] One end of the second concentrated water reflux tank 5 is connected to a second power pump 6, and a second connecting pipe 7 is provided on the second power pump 6. A second concentrated water filtering pipe 8 is connected to one end of the second connecting pipe 7.

[0025] One end of the first concentrated water filtering pipe 4 is connected to the second concentrated water filtering pipe 8, one end of the second concentrated water filtering pipe 8 is connected to the filter circulation pipe 9, one end of the filter circulation pipe 9 is connected to the filter diversion pipe 10, and the two ends of the filter diversion pipe 10 are respectively connected to the first filter 11 and the second filter 12;

[0026] A first exhaust gas discharge pipe 13 is provided on the top of the first filter 11, one end of which is connected to a regeneration exhaust gas pipe 14. A second exhaust gas discharge pipe 15 is provided on the top of the second filter 12, one end of which is connected to the regeneration exhaust gas pipe 14, and one end of the regeneration exhaust gas pipe 14 is connected to a regeneration gas recovery port 16.

[0027] The bottom of the first filter 11 and the second filter 12 is connected to a filter return pipe 17, and the filter return pipe 17 is connected to a concentrated water return main pipe 18. One side of the concentrated water return main pipe 18 is connected to a concentrated water return sub-pipe 19. The other ends of the concentrated water return main pipe 18 and the concentrated water return sub-pipe 19 are respectively connected to a return water collection pipe 20, and one end of the return water collection pipe 20 is connected to a return water collection pipe port 23.

[0028] The first connecting pipe 3 , the first concentrated water filtering pipe 4 , the second connecting pipe 7 and the second concentrated water filtering pipe 8 are all provided with a plurality of control valves.

[0029] The first connecting pipe 3 is provided with a first backup drainage pipeline 21 , which is provided with a control valve. One end of the first backup drainage pipeline 21 is connected to the concentrated water return main pipeline 18 .

[0030] The first connecting pipe 3 is provided with a second backup drainage pipeline 22 , the second backup drainage pipeline 22 is provided with a control valve, and one end of the second backup drainage pipeline 22 is connected to the concentrated water return main pipeline 18 .

[0031] The first connecting pipe 3 and the second connecting pipe 7 are provided with three-way valves.

[0032] A first steam exhaust pipe 24 is provided under the first filter 11 . One end of the first steam exhaust pipe 24 is connected to a regeneration steam exhaust pipe 25 . One end of the regeneration steam exhaust pipe 25 is connected to a regeneration steam collecting port 26 .

[0033] A second steam exhaust pipe 27 is provided under the second filter 12 , and one end of the second steam exhaust pipe 27 is connected to the regeneration steam exhaust pipe 25 .

[0034] During use of the device, the concentrated water in the first concentrated water reflux tank 1 and the second concentrated water reflux tank 5 is extracted by the first power pump 2 and the second power pump 6. The concentrated water passes through the first concentrated water filter pipe 4 and the second concentrated water filter pipe 8 to merge and enter the filter diversion pipe 10. The concentrated water enters the first filter 11 and the second filter 12 respectively. After the concentrated water is completely filtered in the first filter 11 and the second filter 12, it enters the reflux water collection pipe 20 through the concentrated water reflux main pipe 18 and is then collected from the reflux water collection pipe port 23 for reuse.

[0035] When the air pressure in the first filter 11 and the second filter 12 increases, the exhaust gas in the tank is discharged through the first exhaust gas exhaust pipe 13 and the second exhaust gas exhaust pipe 15, and is discharged to the regeneration gas recovery port 16 through the regeneration exhaust gas pipe 14; the water vapor in the first filter 11 and the second filter 12 is discharged to the regeneration steam collection port 26 through the first steam exhaust pipe 24 and the second steam exhaust pipe 27 and the regeneration steam exhaust pipe 25;

[0036] When the first filter 11 and the second filter 12 need to be inspected and repaired, the control valves on the first concentrated water filter pipe 4 and the second concentrated water filter pipe 8 are closed, and then the control valves on the first backup drainage line 21 and the second backup drainage line 22 are opened. At this time, the concentrated water in the first concentrated water reflux tank 1 and the second concentrated water reflux tank 5 can be discharged into the reflux water collection pipe 20 through the first backup drainage line 21 and the second backup drainage line 22 and enter the reflux water collection pipe port 23.

[0037] It should be noted that the embodiments described herein are only some embodiments of the present invention, not all implementations of the present invention. The embodiments are merely illustrative and serve only to provide a more intuitive and clear way to understand the content of the present invention, rather than to limit the technical solutions described in the present invention. Without departing from the concept of the present invention, all other implementation methods that can be thought of by ordinary technicians in this field without creative work, as well as other simple replacements and various variations of the technical solutions of the present invention, are within the scope of protection of the present invention.

Claims

1. A concentrated water purification device, characterized in that: It comprises a first concentrated water reflux tank (1) and a second concentrated water reflux tank (5), wherein: One end of the first concentrated water reflux tank (1) is connected to a first power pump (2), a first connecting pipe (3) is provided on the first power pump (2), and a first concentrated water filtering pipe (4) is connected to one end of the first connecting pipe (3); One end of the second concentrated water reflux tank (5) is connected to a second power pump (6), a second connecting pipe (7) is provided on the second power pump (6), and a second concentrated water filtering pipe (8) is connected to one end of the second connecting pipe (7); One end of the first concentrated water filter pipe (4) is connected to the second concentrated water filter pipe (8), one end of the second concentrated water filter pipe (8) is connected to the filter circulation pipe (9), one end of the filter circulation pipe (9) is connected to the filter diversion pipe (10), and the two ends of the filter diversion pipe (10) are respectively connected to the first filter (11) and the second filter (12); A first exhaust gas discharge pipe (13) is provided on the top of the first filter (11), one end of the first exhaust gas discharge pipe (13) is connected to a regeneration exhaust gas pipe (14); a second exhaust gas discharge pipe (15) is provided on the top of the second filter (12), one end of the second exhaust gas discharge pipe (15) is connected to the regeneration exhaust gas pipe (14), and one end of the regeneration exhaust gas pipe (14) is connected to a regeneration gas recovery port (16); The bottoms of the first filter (11) and the second filter (12) are connected to a filter return pipe (17), the filter return pipe (17) is connected to a concentrated water return main pipe (18), one side of the concentrated water return main pipe (18) is connected to a concentrated water return sub-pipe (19), the other ends of the concentrated water return main pipe (18) and the concentrated water return sub-pipe (19) are respectively connected to a return water collection pipe (20), and one end of the return water collection pipe (20) is connected to a return water collection pipe port (23).

2. A concentrated water purification device according to claim 1, characterized in that: A plurality of control valves are provided on the first connecting pipe (3), the first concentrated water filtering pipe (4), the second connecting pipe (7) and the second concentrated water filtering pipe (8).

3. The concentrated water purification device according to claim 1, characterized in that: The first connecting pipe (3) is provided with a first standby drainage line (21), the first standby drainage line (21) is provided with a control valve, and one end of the first standby drainage line (21) is connected to the concentrated water return main pipe (18).

4. The concentrated water purification device according to claim 1, characterized in that: A second standby drainage pipeline (22) is provided on the first connecting pipe (3), a control valve is provided on the second standby drainage pipeline (22), and one end of the second standby drainage pipeline (22) is connected to the concentrated water return main pipeline (18).

5. The concentrated water purification device according to claim 1, characterized in that: Three-way valves are provided on the first connecting pipe (3) and the second connecting pipe (7).

6. The concentrated water purification device according to claim 1, characterized in that: A first steam exhaust pipe (24) is provided under the first filter (11), one end of the first steam exhaust pipe (24) is connected to a regeneration steam exhaust pipe (25), and one end of the regeneration steam exhaust pipe (25) is connected to a regeneration steam collecting port (26).

7. The concentrated water purification device according to claim 6, characterized in that: A second steam exhaust pipe (27) is provided under the second filter (12), and one end of the second steam exhaust pipe (27) is connected to the regeneration steam exhaust pipe (25).

Images