Sewage circulation treatment equipment for recycling water resources

Abstract

The invention discloses sewage circulation treatment equipment for recycling water resources, and belongs to the technical field of sewage treatment, the sewage circulation treatment equipment comprises a reaction tank, the top of the reaction tank is provided with a horizontal filter assembly, one side of the reaction tank is provided with a pumping assembly, and the pumping assembly is respectively communicated with the horizontal filter assembly and the reaction tank. According to the sewage treatment device, sewage is fed into the liquid distribution mechanism through the sewage port of the reaction tank and is conveyed to the external filtering mechanism, the plurality of filtering membranes which are arranged in a surrounding manner can further filter large particles in the sewage to enable the sewage to be in full contact with activated sludge, and expansion of the filtering membranes can be controlled after radial movement of expansion ribs; according to the present invention, one of the filtration membranes arranged in the surrounding manner is selected not to expand so as to open the passing gap, and the sewage is guided to completely flow and spread in the reaction tank by adjusting the circumferential flow direction of the sewage so as to completely flow the entering sewage in the reaction tank, such that the contact effect with the active sludge can be easily improved.

Description

Technical Field

[0001] The invention belongs to the technical field of sewage treatment, and in particular relates to sewage circulation treatment equipment for water resource reuse. Background Art

[0002] Comprehensive utilization of water resources refers to the comprehensive management, development, utilization and protection of water resources through various measures. Sewage treatment refers to the separation of pollutants contained in sewage or conversion of them into harmless substances through various physical, chemical and biological methods, so that the sewage is purified and then reused. Recycled water reuse refers to the reuse of treated sewage for production, miscellaneous living, landscape water, urban greening, agricultural irrigation, industrial cooling water, groundwater recharge, etc. Recycled water reuse can reduce the use of fresh water, reduce urban water supply pressure, reduce sewage discharge, alleviate water environment pollution, improve water resource utilization efficiency, and achieve sustainable use of water resources.

[0003] The Chinese invention patent with the authorization publication number CN116177725B discloses a hollow fiber composite biofilm sewage treatment equipment. It includes a placement rack, a limit support rack and an installation frame, etc.; two limit support racks are provided on the upper side of the bottom of the placement rack, and the installation frame is slidably connected between the two limit support racks. The extraction pump will spray the sewage onto the collection frame, so that the sewage is in full contact with the air and the hollow fiber composite biofilm, providing oxygen to the microorganisms, thereby increasing the activity of the microorganisms, allowing the microorganisms to fully and quickly process and purify pollutants in the sewage. The above-mentioned equipment treats the sewage through activated sludge, but when the water flows through, due to the problems of fluidity and aggregation of sewage particles, the filtration life of the biofilm is affected, so there are gaps with weak filtration, which affects the full contact and treatment of the sewage, and there is room for improvement. Summary of the invention

[0004] The purpose of the present invention is to propose a sewage recycling treatment device for water resource reuse in order to solve the problem that the filtration life of the biofilm is affected and there are gaps with weak filtration properties due to the fluidity and aggregation of sewage particles when water flows through.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A sewage recycling treatment device for water resource reuse, comprising a reaction tank, a horizontal filter assembly is installed on the top of the reaction tank, a pump assembly is installed on one side of the reaction tank, the pump assembly is respectively connected with the horizontal filter assembly and the reaction tank, a liquid distribution mechanism is installed on the sewage water inlet side of the reaction tank, a filter mechanism is arranged around the outside of the liquid distribution mechanism along the axis, a mixing mechanism is provided on the outer peripheral side of the filter mechanism, and the mixing mechanism is arranged on the inner side of the reaction tank, and turbulence mechanisms are installed on both sides of the reaction tank;

[0007] The filtering mechanism comprises a plurality of expandable filtering membranes, and the overflow gaps in corresponding directions are opened by contraction and expansion of the filtering membranes. The water passing through the overflow gaps is fully dispersed in the reaction tank through the mixing mechanism.

[0008] As a further description of the above technical solution:

[0009] A plurality of expansion ribs are integrally connected around the outer periphery of the filter membrane, an inner support frame is provided in the inner cavity of the filter membrane, and a plurality of radially movable expansion plates are arranged around the outer periphery of the inner support frame. The radial movement of the plurality of expansion plates drives the expansion ribs to pull the filter membrane to expand.

[0010] As a further description of the above technical solution:

[0011] Fixed sleeves are provided in the openings at both ends of the filter membrane, and an electric push rod is connected in the fixed sleeve. One end of the telescopic part of the electric push rod is connected to a squeezing ball, and the squeezing ball extends into the inner support frame. Sliding holes are provided on the outer peripheral sides of both ends of the inner support frame at positions corresponding to the expansion plates, and sliders are slidably connected in the sliding holes. The sliders are connected to one side of the inner support frame at the corresponding position, and a wedge block is connected to the side of the slider away from the inner support frame. A plurality of inclined surfaces of the wedge blocks are fitted with one side of the squeezing ball at the corresponding position. The squeezing ball moves to push the wedge block to push the slider and the expansion plate to move and squeeze the filter membrane.

[0012] As a further description of the above technical solution:

[0013] One side of the wedge block is connected to a fixed block, one side of the fixed block is connected to a telescopic rod, the other end of the telescopic rod is connected to a connecting block, the connecting block is connected to a corresponding position on one side of the inner cavity of the inner support frame, and a spring is sleeved on the outer wall of the telescopic rod, and both ends of the spring are respectively connected to the fixed block and one side of the fixed part of the telescopic rod.

[0014] As a further description of the above technical solution:

[0015] The turbulence mechanism includes a support frame, which is connected to a corresponding position on one side of the inner cavity of the support frame. A plurality of aeration seats are connected in an array on one side of the bottom of the support frame, and the aeration seats are connected to external aeration equipment. A guide seat is connected to the top of the aeration seat through a column, and the aeration water is guided outward through the guide seat.

[0016] As a further description of the above technical solution:

[0017] A rotating disk is rotatably connected to the top of the guide seat, and a plurality of turbulence rods are connected to the peripheral side of the rotating disk, and the turbulence rods are located on the outer peripheral side of the aeration seat.

[0018] As a further description of the above technical solution:

[0019] The bottom cross section of the guide seat is conical, and the end of the guide seat with a smaller conical diameter is close to the aeration seat. A drainage groove is opened at the bottom of the guide seat, and the cross section of the inner cavity of the drainage groove is arc-shaped. The aerated water is spirally led out through multiple drainage grooves.

[0020] As a further description of the above technical solution:

[0021] The mixing mechanism includes mixing rings arranged on both sides of the inner cavity of the support frame, and a plurality of rotating blocks are arranged on the outer circumference of the mixing ring. A rotating rod is rotatably connected between the rotating blocks on both sides, and a plurality of wave plates are connected outside the rotating rod to disperse the introduced water through the wave plates.

[0022] As a further description of the above technical solution:

[0023] The liquid distribution mechanism includes a liquid distribution hood, and the liquid distribution hood is connected to the sewage inlet on one side of the support frame. A plurality of liquid outlet grooves are arranged around the outer periphery of the liquid distribution hood. The inner cavity of the liquid distribution hood is connected to a support column, and a plurality of drainage folding plates are connected to the outer periphery of the support column, and the water is guided to the liquid outlet groove through the drainage folding plates.

[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0025] 1. In the present invention, after the sewage is filtered for large particles through the horizontal filtering component, the pumping component can send the initially filtered sewage into the reaction tank, the activated sludge in the reaction tank can treat the sewage, send it into the liquid distribution mechanism through the sewage outlet of the reaction tank and transport it to the external filtering mechanism, the multiple filter membranes arranged around can make the sewage fully contact with the activated sludge after further filtering the large particles in the sewage, and the expansion of the filter membrane can be controlled after the radial movement of the expansion ribs, and a filter membrane is selected from the filter membranes arranged around not to be expanded to open the passing gap, and the circumferential flow direction of the sewage is adjusted to guide the sewage to fully flow and spread in the reaction tank, so that the sewage entering fully flows in the reaction tank, which is beneficial to improve the contact effect with the activated sludge.

[0026] 2. In the present invention, the designed wedge block can extend the front telescopic part through the working of the electric push rod, and after the extension, it can drive the front squeezing ball to move, and the movement of the squeezing ball can squeeze the inclined surface of the front wedge block, and the squeezing of the inclined surface of the wedge block can drive the slider to move in the sliding hole, and the movement of the slider can drive the expansion plate on the other side to move, and the movement of the expansion plate can squeeze the outer expansion ribs and drive the filter membrane to unfold. The circumferential expansion of the filter membrane is achieved by the circumferentially arranged expanded plate and the wedge block. The filter membrane that is unfolded synchronously can open the filter hole gap when unfolding, which is beneficial to the subsequent flushing and backwashing treatment, and improves the control treatment effect of the filter membrane.

[0027] 3. In the present invention, through the designed turbulence mechanism, when the sludge is precipitated, aeration can be carried out to the aeration seat through external aeration equipment. After the aeration airflow is ejected through the nozzle in the aeration seat, it can contact the conical surface at the bottom of the guide seat. The guide seat can guide the aeration airflow toward the opening direction through the drainage groove. The guided aeration airflow can spread upward in a spiral shape to fully contact the sludge in the reaction tank. The spirally guided aeration airflow can generate turbulence to fully contact the sludge so that the sludge is suspended, which can improve the mixing stability of sludge aeration. Moreover, through the designed turbulence mechanism, after the filtering mechanism draws out the sewage, the turbulence mechanism of aeration on both sides can make the activated sludge fully contact the sewage, which is beneficial to improve the sludge reaction treatment effect.

[0028] 4. In the present invention, through the designed mixing mechanism and liquid distribution mechanism, when the sewage is sent into the liquid distribution mechanism through the pumping assembly, the liquid distribution mechanism can guide the water body into the liquid outlet tank on the surrounding side through the drainage folding plate, and after the sewage is filtered and drawn out by the filtering mechanism, the water flow can contact the wave plate at the corresponding position, and the wave plate can rotate around the rotating block through the rotating rod, which can evenly process the water flow and improve the fluidity of the sewage in the reaction tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the overall structure of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0030] Figure 2 A schematic diagram of the top view of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0031] Figure 3 This is a schematic diagram of the assembly structure of the filtering mechanism of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0032] Figure 4 A schematic diagram of a partially disassembled structure of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0033] Figure 5 This is a schematic diagram of the disassembled structure of the filtering mechanism of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0034] Figure 6 The present invention proposes Figure 5 The structural diagram of the enlarged part A in the middle;

[0035] Figure 7 A schematic diagram of the structure of a filtering mechanism of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0036] Figure 8A schematic diagram of the lateral structure of a liquid distribution mechanism of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0037] Fig. 9 A schematic diagram of the lateral structure of a turbulent flow mechanism of a sewage circulation treatment device for water resource reuse proposed by the present invention;

[0038] Fig.10 A schematic diagram of the structure of an aeration seat of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0039] Fig.11 This is a schematic diagram of the structure of the mixing mechanism of a sewage recycling treatment device for water resource reuse proposed by the present invention;

[0040] Fig.12 This is a schematic structural diagram of the lateral assembly portion of a support frame of a sewage recycling treatment device for water resource reuse proposed by the present invention.

[0041] Legend:

[0042] 1. Reaction tank; 2. Horizontal filter assembly; 3. Pumping assembly; 4. Turbulence mechanism; 401. Support frame; 402. Aeration seat; 403. Guide seat; 404. Drainage trough; 405. Turntable; 406. Turbulence rod; 5. Support frame; 6. Mixing mechanism; 601. Mixing ring; 602. Rotating block; 603. Rotating rod; 604. Wave plate; 7. Filter mechanism; 701. Filter membrane; 702. Expansion rib; 703. Inner support frame; 704. Expansion plate; 705. Sliding block; 706. Wedge block; 707. Fixed block; 708. Telescopic rod; 709. Connecting block; 710. Spring; 711. Fixed sleeve; 712. Electric push rod; 8. Liquid distribution mechanism; 801. Liquid distribution cover; 802. Liquid outlet trough; 803. Support column; 804. Drainage folding plate. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] See also Figure 1-Figure 12The present invention provides a technical solution: a sewage recycling treatment device for water resource reuse, comprising a reaction tank 1, a horizontal filter assembly 2 is installed on the top of the reaction tank 1, a pumping assembly 3 is installed on one side of the reaction tank 1, and the pumping assembly 3 is respectively connected with the horizontal filter assembly 2 and the reaction tank 1, a liquid distribution mechanism 8 is installed on the sewage inlet side of the inner cavity of the reaction tank 1, and a filter mechanism 7 is arranged around the outside of the liquid distribution mechanism 8 along the axis, a mixing mechanism 6 is provided on the outer peripheral side of the filter mechanism 7, and the mixing mechanism 6 is arranged on the inner side of the reaction tank 1, and turbulence mechanisms 4 are installed on both sides of the reaction tank 1;

[0045] The filtering mechanism 7 includes a plurality of expandable filtering membranes 701, and the overflow gap in the corresponding direction is opened by contraction and expansion of the filtering membrane 701. The water passing through the overflow gap is fully dispersed in the reaction tank 1 through the mixing mechanism 6. A plurality of expansion ribs 702 are integrally connected around the outer periphery of the filtering membrane 701. An inner support frame 703 is provided in the inner cavity of the filtering membrane 701. A plurality of radially movable expansion plates 704 are arranged around the outer periphery of the inner support frame 703. The radial movement of the plurality of expansion plates 704 drives the expansion ribs 702 to pull the filtering membrane 701 to expand.

[0046] Specifically, after the sewage is filtered for large particles through the horizontal filter component 2, the pumping component 3 can send the initially filtered sewage into the reaction tank 1, and the activated sludge in the reaction tank 1 can treat the sewage, and when the sewage is sent into the reaction tank 1, it can be sent into the liquid distribution mechanism 8 through the sewage outlet of the reaction tank 1 and transported to the external filtering mechanism 7. The multiple filter membranes 701 arranged in a surrounding manner can further filter the large particles in the sewage so that the sewage and the activated sludge are fully contacted, and the expansion of the filter membrane 701 can be controlled after the radial movement of the expansion rib 702. Among the filter membranes 701 arranged in a surrounding manner, a filter membrane 701 is selected not to be expanded to open a passing gap, so that the guiding direction of the sewage can be selected by controlling the expansion of the filter membrane 701, which is beneficial to guiding the sewage to fully flow and spread in the reaction tank 1 by adjusting the circumferential flow direction of the sewage, so that the incoming sewage can fully flow in the reaction tank 1, which is beneficial to improve the contact effect with the activated sludge.

[0047] See also Figure 5-Figure 6 , both ends of the filter membrane 701 are provided with fixed sleeves 711 in the openings, and the fixed sleeves 711 are connected with electric push rods 712, and one end of the telescopic part of the electric push rod 712 is connected with a squeezing ball, and the squeezing ball extends into the inner support frame 703, and both ends of the inner support frame 703 The outer peripheral sides corresponding to the expansion plate 704 are provided with sliding holes, and the sliding holes are slidably connected with sliders 705, and the sliders 705 are connected to one side of the inner support frame 703 at the corresponding position, and the side of the slider 705 away from the inner support frame 703 is connected with a wedge block 706, and the inclined surfaces of the multiple wedge blocks 706 are in contact with one side of the squeezing ball at the corresponding position, and the squeezing ball moves to push the wedge block 706 to push the slider 705 and the expansion plate 704 to move and squeeze the filter membrane 701;

[0048] One side of the wedge block 706 is connected to a fixed block 707, one side of the fixed block 707 is connected to a telescopic rod 708, the other end of the telescopic rod 708 is connected to a connecting block 709, the connecting block 709 is connected to a corresponding position on one side of the inner cavity of the inner support frame 703, and a spring 710 is sleeved on the outer wall of the telescopic rod 708, and both ends of the spring 710 are respectively connected to the fixed block 707 and one side of the fixed part of the telescopic rod 708.

[0049] Specifically: through the designed wedge block 706, the front telescopic part of the electric push rod 712 is extended and extended, which can drive the front squeezing ball to move, and the movement of the squeezing ball can squeeze the inclined surface of the front wedge block 706, and the inclined surface of the wedge block 706 is squeezed to drive the slider 705 to move in the slide hole, and the movement of the slider 705 can drive the expansion plate 704 on the other side to move, and the movement of the expansion plate 704 can squeeze the outer expansion rib 702 and drive the filter membrane 701 to unfold, so that the circumferential expansion plate 704 arranged circumferentially cooperates with the wedge block 706 to realize the circumferential expansion of the filter membrane 701, and the synchronously unfolded filter membrane 701 can open the filter hole gap when unfolding, which is conducive to the subsequent flushing and backwashing treatment, and improves the control treatment effect of the filter membrane 701;

[0050] Furthermore, through the designed telescopic rod 708, when the wedge block 706 is squeezed, the wedge block 706 can squeeze the telescopic rod 708 through the fixed block 707, and the telescopic rod 708 can compress the external spring 710 when it is squeezed. When the squeezing ball is reset, the spring 710 can use its own elastic force to drive the wedge block 706 to reset. Furthermore, through the designed telescopic rod 708, the telescopic rod 708 includes a fixed part and a telescopic part. The telescopic part can maintain the movement stability of the front expansion plate 704 by sliding on the fixed part, thereby avoiding shaking and deviation.

[0051] See also Figure 4 and Figure 9-10 The turbulence mechanism 4 includes a support frame 401, which is connected to a corresponding position on one side of the inner cavity of the support frame 5. A plurality of aeration seats 402 are connected in an array on one side of the bottom of the support frame 401, and the aeration seat 402 is connected to an external aeration device. A guide seat 403 is connected to the top of the aeration seat 402 through a column, and the aeration water is guided outward through the guide seat 403. A turntable 405 is rotatably connected to the top of the guide seat 403, and a plurality of turbulence rods 406 are connected to the peripheral side of the turntable 405, and the turbulence rods 406 are located on the outer peripheral side of the aeration seat 402. The bottom cross-section of the guide seat 403 is conical, and the end of the guide seat 403 with a smaller conical diameter is close to one side of the aeration seat 402, and a drainage groove 404 is provided at the bottom of the guide seat 403, and the cross-sectional shape of the inner cavity of the drainage groove 404 is arc-shaped, and the aeration water is spirally led out through the plurality of drainage grooves 404.

[0052] Specifically, through the designed turbulence mechanism 4, when the sludge settles, it can be aerated toward the aeration seat 402 through the external aeration equipment, and after the aeration airflow is ejected through the nozzle in the aeration seat 402, it can contact the conical surface at the bottom of the guide seat 403, and the guide seat 403 can guide the aeration airflow toward the opening direction angle through the drainage groove 404, and the guided aeration airflow can spread upward in a spiral shape to fully contact the sludge in the reaction tank 1, and the spirally guided aeration airflow can generate turbulence to fully contact the sludge so that the sludge is suspended, thereby improving the mixing stability of the sludge aeration, and through the designed turbulence mechanism 4, after the filtering mechanism 7 draws out the sewage, the turbulence mechanism 4 aerated on both sides can make the activated sludge fully contact the sewage, which is beneficial to improving the sludge reaction treatment effect;

[0053] Furthermore, when the aeration airflow moves upward, the turbulence rod 406 can be driven by the water flow to rotate around the aeration seat 402 through the turntable 405. The rotation of the turbulence rod 406 can fully expand the sludge settled in the support frame 5, thereby improving the aeration mixing effect and maintaining the purification of sewage by the activated sludge.

[0054] See also Figure 4 , 8 and Fig.11 The mixing mechanism 6 includes a mixing ring 601 arranged on both sides of the inner cavity of the support frame 5, and a plurality of rotating blocks 602 are arranged on the outer peripheral side of the mixing ring 601, a rotating rod 603 is rotatably connected between the rotating blocks 602 on both sides, and a plurality of wave plates 604 are connected to the outer side of the rotating rod 603, and the introduced water is dispersed by the wave plates 604, and the liquid distributing mechanism 8 includes a liquid distributing cover 801, and the liquid distributing cover 801 is connected to the sewage inlet on one side of the support frame 5, and a plurality of liquid outlet grooves 802 are opened around the outer peripheral side of the liquid distributing cover 801, the inner cavity of the liquid distributing cover 801 is connected to a support column 803, and a plurality of drainage folded plates 804 are connected to the outer peripheral side of the support column 803, and the water is guided to the liquid outlet groove 802 through the drainage folded plates 804.

[0055] Specifically, through the designed mixing mechanism 6 and liquid distribution mechanism 8, when the sewage is sent into the liquid distribution mechanism 8 through the pumping assembly 3, the liquid distribution mechanism 8 can guide the water body into the liquid outlet trough 802 on the surrounding side through the drainage folding plate 804, and after the sewage is filtered and discharged through the filtering mechanism 7, the water flow can contact the wave plate 604 at the corresponding position, and the wave plate 604 can rotate around the rotating block 602 through the rotating rod 603, so as to guide the water flow evenly and improve the fluidity of the sewage in the reaction tank 1.

[0056] In the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sewage recycling treatment device for water resource reuse, comprising a reaction tank (1), a horizontal filter assembly (2) installed on the top of the reaction tank (1), a pumping assembly (3) installed on one side of the reaction tank (1), and the pumping assembly (3) is respectively connected to the horizontal filter assembly (2) and the reaction tank (1), characterized in that: A liquid distribution mechanism (8) is installed on the sewage inlet side of the inner cavity of the reaction tank (1), a filtering mechanism (7) is arranged around the axis outside the liquid distribution mechanism (8), a mixing mechanism (6) is provided on the outer peripheral side of the filtering mechanism (7), and the mixing mechanism (6) is arranged on the inner side of the reaction tank (1), and turbulent flow mechanisms (4) are installed on both sides of the reaction tank (1); The filtering mechanism (7) comprises a plurality of expandable filtering membranes (701), and the overflow gaps in corresponding directions are opened by contraction and expansion of the filtering membranes (701). Water passing through the overflow gaps is fully dispersed in the reaction tank (1) through the mixing mechanism (6).

2. The sewage recycling treatment equipment for water resource reuse according to claim 1 is characterized in that: A plurality of expansion ribs (702) are integrally connected around the outer periphery of the filter membrane (701), an inner support frame (703) is provided in the inner cavity of the filter membrane (701), and a plurality of radially movable expansion plates (704) are arranged around the outer periphery of the inner support frame (703), and the expansion ribs (702) are driven by the radial movement of the plurality of expansion plates (704) to pull the filter membrane (701) to expand.

3. The sewage recycling treatment equipment for water resource reuse according to claim 2 is characterized in that: A fixing sleeve (711) is provided in the openings at both ends of the filter membrane (701), and an electric push rod (712) is connected in the fixing sleeve (711). One end of the telescopic part of the electric push rod (712) is connected to a squeezing ball, and the squeezing ball extends into the inner support frame (703). Sliding holes are provided at the positions of the expansion plates (704) at the outer peripheral sides of both ends of the inner support frame (703), and a slider (705) is slidably connected in the sliding hole. The slider (705) is connected to a side of the inner support frame (703) at a corresponding position. A wedge block (706) is connected to a side of the slider (705) away from the inner support frame (703). The inclined surfaces of the plurality of wedge blocks (706) are in contact with a side of the squeezing ball at a corresponding position. The squeezing ball moves to push the wedge block (706) to push the slider (705) and the expansion plate (704) to move and squeeze the filter membrane (701).

4. The sewage recycling treatment equipment for water resource reuse according to claim 3 is characterized in that: One side of the wedge block (706) is connected to a fixed block (707), one side of the fixed block (707) is connected to a telescopic rod (708), the other end of the telescopic rod (708) is connected to a connecting block (709), the connecting block (709) is connected to a corresponding position on one side of the inner cavity of the inner support frame (703), and the outer wall of the telescopic rod (708) is provided with a spring (710), and the two ends of the spring (710) are respectively connected to the fixed block (707) and one side of the fixed part of the telescopic rod (708).

5. The sewage recycling treatment equipment for water resource reuse according to claim 1 is characterized in that: The turbulent flow mechanism (4) comprises a support frame (401), the support frame (401) is connected to a corresponding position on one side of the inner cavity of the support frame (5), a plurality of aeration seats (402) are connected in an array on one side of the bottom of the support frame (401), and the aeration seats (402) are connected to external aeration equipment, and a guide seat (403) is connected to the top of the aeration seat (402) via a column, and aerated water is guided outwards via the guide seat (403).

6. The sewage recycling treatment equipment for water resource reuse according to claim 5 is characterized in that: The top of the guide seat (403) is rotatably connected to a rotating disk (405), and the peripheral side of the rotating disk (405) is connected to a plurality of turbulence rods (406), and the turbulence rods (406) are located on the outer peripheral side of the aeration seat (402).

7. The sewage recycling treatment equipment for water resource reuse according to claim 5 is characterized in that: The bottom cross section of the guide seat (403) is conical, and the end of the guide seat (403) with a smaller conical diameter is close to the aeration seat (402). A drainage groove (404) is provided at the bottom of the guide seat (403), and the inner cavity cross section of the drainage groove (404) is arc-shaped, and the aerated water is spirally guided out through the multiple drainage grooves (404).

8. The sewage recycling treatment equipment for water resource reuse according to claim 1 is characterized in that: The mixing mechanism (6) comprises mixing rings (601) arranged on both sides of the inner cavity of the support frame (5), and a plurality of rotating blocks (602) are arranged on the outer circumference of the mixing ring (601), a rotating rod (603) is rotatably connected between the rotating blocks (602) on both sides, and a plurality of wave plates (604) are connected to the outside of the rotating rod (603), and the sewage is dispersed by the wave plates (604) in a flowing manner.

9. The sewage recycling treatment equipment for water resource reuse according to claim 1 is characterized in that: The liquid distributing mechanism (8) comprises a liquid distributing cover (801), and the liquid distributing cover (801) is connected to a sewage inlet on one side of the support frame (5), a plurality of liquid outlet grooves (802) are arranged around the outer periphery of the liquid distributing cover (801), a support column (803) is connected to the inner cavity of the liquid distributing cover (801), and a plurality of drainage folding plates (804) are connected to the outer periphery of the support column (803), and liquid is guided to the liquid outlet grooves (802) via the drainage folding plates (804).

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