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CN-224212422-U - Wastewater recycling treatment system

CN224212422UCN 224212422 UCN224212422 UCN 224212422UCN-224212422-U

Abstract

The utility model discloses a wastewater circulation treatment system which comprises a circulation water tank, a membrane assembly, a water delivery pipeline, a first concentrated water pipeline, a water production pipeline, a clear water outlet and a clear water tank, a second concentrated water pipeline, a third concentrated water pipeline, a second concentrated water pipeline and a cleaning pipeline, wherein the first water inlet is connected with a raw water input pipeline, the second water inlet is connected with a tap water input pipeline, the water outlet of the circulation water tank is connected with a water delivery pipeline, the membrane assembly comprises a plurality of membrane elements, the water delivery pipeline is communicated with the water outlet of the circulation water tank and the water inlet of the membrane assembly, the first concentrated water pipeline is communicated with a concentrated water outlet of the membrane assembly and the first water inlet of the circulation water tank, the water production pipeline is communicated with a clear water outlet of the membrane assembly and the clear water tank, the second concentrated water pipeline is communicated with the first concentrated water pipeline and the water delivery pipeline, the third concentrated water pipeline is communicated with the second concentrated water pipeline and the concentrated water tank, and the cleaning pipeline is communicated with the first water inlet of the circulation water tank. The utility model can be applicable to the filtration of wastewater with different concentrations by different filtration modes, has good separation, purification and filtration effects and high efficiency on the oil substances in the wastewater by combining the filtration of the membrane component, and is convenient to clean by the cleaning mode.

Inventors

  • XU YANGFAN

Assignees

  • 苏州碧清源环保技术有限公司

Dates

Publication Date
20260508
Application Date
20250515

Claims (10)

  1. 1. A wastewater recycling treatment system, comprising: The water treatment device comprises a circulating water tank (1), wherein a first water inlet (2) of the circulating water tank (1) is connected with a raw water input pipeline (4), raw water is input into the circulating water tank (1) from a raw water tank (7) through the raw water input pipeline (4), a second water inlet (3) of the circulating water tank (1) is connected with a tap water input pipeline (5), and a water outlet (12) of the circulating water tank (1) is connected with a water supply pipeline (6); A membrane assembly (9), the membrane assembly (9) comprising a number of membrane elements (10); The water supply pipeline (6), the water supply pipeline (6) is communicated with the water outlet (12) of the circulating water tank (1) and the water inlet of the membrane assembly (9), a circulating pump (13) and a first check valve (14) are arranged on the water supply pipeline (6), one side, close to the water outlet (12) of the circulating water tank (1), of the circulating pump (13), and one side, close to the water inlet of the membrane assembly (9), of the first check valve (14) is arranged; The first concentrated water pipeline (15), the concentrated water outlet of the membrane assembly (9) and the first water inlet (2) of the circulating water tank (1) are communicated by the first concentrated water pipeline (15), a first stop valve (16) and a first valve (17) are arranged on the first concentrated water pipeline (15), the first stop valve (16) is arranged close to one side of the concentrated water outlet of the membrane assembly (9), and the first valve (17) is arranged close to one side of the first water inlet (2) of the circulating water tank (1); A water production pipeline (18), wherein the water production pipeline (18) is communicated with a clear water outlet of the membrane assembly (9) and a clear water tank (19), a pressure reducing valve (20) and a second valve (21) are arranged on the water production pipeline (18), and the second valve (21) is arranged close to one side of the clear water tank (19); The second concentrated water pipeline (22) is communicated with the first concentrated water pipeline (15) and the water supply pipeline (6), a third valve (23), a fourth valve (24) and a second stop valve (25) are arranged on the second concentrated water pipeline (22), one end, close to the first concentrated water pipeline (15), of the second concentrated water pipeline (22) is provided with the fourth valve (24) and is connected between the first valve (17) and the first stop valve (16), one end, close to the water supply pipeline (6), of the second concentrated water pipeline (22) is provided with the second stop valve (25) and is connected between the circulating pump (13) and the first check valve (14), and the third valve (23) is positioned between the second stop valve (25) and the fourth valve (24); A third concentrate line (26), the third concentrate line (26) communicating the second concentrate line (22) and a concentrate tank (27), the third concentrate line (26) being connected between the third valve (23) and the fourth valve (24); The cleaning device comprises a cleaning pipeline (28), wherein the cleaning pipeline (28) is communicated with a water production pipeline (18) and a first water inlet (2) of a circulating water tank (1), the cleaning pipeline (28) is connected between a clean water outlet of a membrane assembly (9) and a pressure reducing valve (20), a fifth valve (42) and a fourth stop valve (43) are arranged on the cleaning pipeline (28), the fifth valve (42) is close to one end of the water production pipeline (18), and the fourth stop valve (43) is close to the first water inlet (2) of the circulating water tank (1).
  2. 2. A wastewater recycling system according to claim 1, wherein each of the membrane elements (10) is arranged in series.
  3. 3. A wastewater recycling system according to claim 2, wherein a pressure detecting meter (29) is provided on each of the series pipes of the membrane elements (10).
  4. 4. A wastewater recycling system according to claim 1, wherein each membrane element (10) is connected to the water production line (18) via a clean water line (30).
  5. 5. A wastewater recycling system according to claim 1, wherein each membrane element (10) is provided with a drain pipe (31), and drain valves (32) are arranged on the drain pipes (31).
  6. 6. The wastewater recycling treatment system according to claim 1, wherein the membrane body in the membrane assembly (9) is an inorganic ceramic membrane.
  7. 7. A wastewater recycling treatment system according to claim 1, wherein a water inlet filter (33) is arranged on the raw water input pipeline (4), a sewage drain pipeline (34) is arranged on the water inlet filter (33), and a first normally open valve (35) is arranged on the sewage drain pipeline (34).
  8. 8. A wastewater recycling treatment system according to claim 7, characterized in that a second check valve (36) is provided on the raw water input pipe (4), and the water inlet filter (33) is provided between the raw water tank (7) and the second check valve (36).
  9. 9. The wastewater recycling treatment system according to claim 1, wherein the water outlet (12) of the circulating water tank (1) is further connected with a water draining pipeline (37), and a third stop valve (38) and a water draining valve (39) are sequentially arranged on the water draining pipeline (37) along the water draining direction.
  10. 10. The wastewater recycling treatment system according to claim 1, wherein the circulating water tank (1) is provided with a detection pipeline (40), the detection pipeline (40) is provided with a second normally open valve (41), an opening of the detection pipeline (40) is upward, and a water outlet (12) of the detection pipeline (40) is provided with a liquid level detection instrument (11).

Description

Wastewater recycling treatment system Technical Field The utility model belongs to the technical field of filtration, and particularly relates to a wastewater recycling treatment system. Background At present, most of the existing wastewater treatment modes adopt a physical method, so that the separation and purification of oil substances are poor, and the filtering of soluble pollutants cannot be solved. Moreover, the traditional wastewater treatment system has a single structure, and most of the traditional wastewater treatment systems only can provide a filtering mode, and the filtering effect is general and the washing is inconvenient. Therefore, a wastewater recycling treatment system has been designed to solve the above problems. It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section. Disclosure of utility model In order to overcome the defects in the prior art, the utility model aims to provide a wastewater recycling treatment system. In order to achieve the above and other related objects, the present utility model provides a wastewater recycling system, comprising: the circulating water tank is characterized in that a first water inlet of the circulating water tank is connected with a raw water input pipeline, and raw water is input into the circulating water tank from the raw water tank through the raw water input pipeline. The second water inlet of the circulating water tank is connected with a tap water input pipeline (a valve is arranged on the tap water input pipeline), and tap water is input into the circulating water tank from the tap water tank through the tap water input pipeline. A water outlet of the circulating water tank is connected with a water supply pipeline; the membrane assembly comprises a plurality of membrane elements; the water supply pipeline is communicated with the water outlet of the circulating water tank and the water inlet of the membrane assembly, a circulating pump and a first check valve are arranged on the water supply pipeline, the circulating pump is arranged at one side close to the water outlet of the circulating water tank, and the first check valve is arranged at one side close to the water inlet of the membrane assembly; The first concentrated water pipeline is communicated with a concentrated water outlet of the membrane assembly and a first water inlet of the circulating water tank, a first stop valve and a first valve are arranged on the first concentrated water pipeline, the first stop valve is arranged at one side, close to the concentrated water outlet of the membrane assembly, of the first concentrated water pipeline, and the first valve is arranged at one side, close to the first water inlet of the circulating water tank; The water producing pipeline is communicated with the clear water outlet of the membrane assembly and the clear water tank, a pressure reducing valve and a second valve are arranged on the water producing pipeline, and the second valve is arranged close to one side of the clear water tank; The second concentrated water pipeline is communicated with the first concentrated water pipeline and the water supply pipeline, and a third valve, a fourth valve and a second stop valve are arranged on the second concentrated water pipeline; the second concentrated water pipeline is provided with a second stop valve close to one end of the water delivery pipeline and connected between the circulating pump and the first check valve, and the third valve is positioned between the second stop valve and the fourth valve; The third concentrated water pipeline is communicated with the second concentrated water pipeline and the concentrated water tank, and is connected between the third valve and the fourth valve; The cleaning pipeline is communicated with the water production pipeline and the first water inlet of the circulating water tank, the cleaning pipeline is connected between the clean water outlet of the membrane assembly and the pressure reducing valve, a fifth valve and a fourth stop valve are arranged on the cleaning pipeline, the fifth valve is close to one end of the water production pipeline, and the fourth stop valve is close to the first water inlet of the circulating water tank. Further, each membrane element is arranged in series. In the scheme, the plurality of membrane elements are connected in series to allow water to sequentially pass through the plurality of membrane elements, and concentrated water of each stage can be further treated as water of the next stage, so that the wastewater discharge is reduced, and the overall recovery rate o