A comprehensive wastewater treatment device based on resin and membrane treatment

Abstract

The application discloses a kind of wastewater comprehensive treatment equipment based on resin and membrane treatment, including processing jar, processing jar is hollow column, processing jar is provided with closed top cover, closed top cover is connected with inlet pipe, it is characterized in that, processing jar is processing cavity, the bottom of processing jar is provided with outlet pipe;Matrix arrangement is used to process jar to process batch water, and the water after pretreatment is treated by resin and membrane structure, and harmful ions are effectively filtered out, resin adsorption structure and membrane treatment structure of coaxial structure are built-in processing jar, and the osmotic pressure on one side of membrane structure treatment is increased by centrifugal force, on the one hand, the processing efficiency and effect are improved, on the other hand, through integrated structure, the effect of facilitating disassembly and assembly is achieved, and synchronous maintenance cycle is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to wastewater treatment equipment technical field, specifically to a kind of wastewater comprehensive treatment equipment based on resin and membrane treatment. BACKGROUND

[0002] In modern wastewater treatment process, using resin and membrane technology to treat wastewater is relatively advanced processing mode, resin plays the role of adsorbing harmful ions and filtering in water treatment process, and membrane treatment can effectively remove suspended particles, dissolved organic matter and microorganisms and other pollutants, so in modern wastewater comprehensive treatment process, processing equipment based on both treatments is very diverse, and has been widely applied.

[0003] But in the process of membrane treatment and resin treatment wastewater at present stage, due to the characteristics of resin filler, it is often filled as early filter material in tank, water filtered by resin is treated by membrane, to reach treatment standard, which causes land occupation redundancy of processing equipment, and resin and membrane replacement cycle is different, resulting in the problem of complicated maintenance work in application process.

[0004] Further, if resin and membrane treatment equipment are integrated together, due to the filtering and blocking effect of resin, it can cause the problem of insufficient pressure on the side of membrane treatment, so that the comprehensive effect of wastewater treatment is not good. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a kind of wastewater comprehensive treatment equipment based on resin and membrane treatment, which is convenient to disassemble and has good treatment effect.

[0006] To achieve the above object, the present application is realized by the following technical scheme: a kind of wastewater comprehensive treatment equipment based on resin and membrane treatment, including processing tank, the processing tank is hollow column, the processing tank is provided with closed top cover, the closed top cover is connected with inlet pipe, characterized by, the processing tank is processing cavity, the bottom of the processing tank is provided with outlet pipe;

[0007] The processing tank is provided with assembly seat at both ends, a pair of assembly seats are coaxially assembled with a pair of processing membrane cylinders, a plurality of through holes are provided on the processing membrane cylinder, a pair of processing membrane cylinders are arranged at intervals, ultrafiltration membrane and permeation membrane are respectively provided on a pair of processing membrane cylinders, and the permeation membrane is located on the outside;

[0008] The center of the processing membrane cylinder on the inside is coaxially provided with resin filler cylinder, the resin filler cylinder is filled with adsorption resin, and the resin filler cylinder is provided with fluid pressure control structure;

[0009] The fluid pressure control structure is composed of a separation net cylinder sleeved outside the resin filling cylinder, a separation rotating plate connected to the top end of the separation net cylinder, and a centrifugal power assembly connected to the separation rotating plate.

[0010] The separation rotating plate is movably assembled in the closed top cover, and the water inlet pipe extends through the separation rotating plate into the resin filling cylinder.

[0011] A pair of the assembly seats are provided with insertion slots, and the bottom of the resin filling cylinder is provided with a socket which is inserted into the insertion slot for insertion limiting.

[0012] In the above scheme: the bottom of the treatment tank is provided with a flow collecting groove corresponding to the peripheral treatment membrane cylinder, the water from the peripheral treatment membrane cylinder flows into the flow collecting groove, the flow collecting groove is connected with the water outlet pipe, the water inlet pipe is provided with a first flow meter, and the water outlet pipe is provided with a second flow meter.

[0013] In the above scheme: the first and second ends of the pair of treatment membrane cylinders are supported and closed by the annular closed plate, and the pair of treatment membrane cylinders are fixed to the assembly seat on the upper side by screws.

[0014] In the above scheme: the closed top cover is a cylindrical plate with one side open, a through groove is formed in the center of the closed top cover for inserting the water inlet pipe, and the closed top cover is connected to the top end of the treatment tank by bolts.

[0015] In the above scheme: an annular rotating groove is formed in the inner wall of the closed top cover, the separation rotating plate is assembled in the annular rotating groove, the separation net cylinder is a cylindrical body, a plurality of separation net holes are uniformly distributed on the separation net cylinder, a ring is arranged on the top of the separation net cylinder, and the ring is connected to the separation rotating plate by a connecting piece.

[0016] In the above scheme: the centrifugal power assembly includes a centrifugal motor, the centrifugal motor is fixed to one side of the closed top cover, a rotating shaft sleeve is arranged on one side of the closed top cover, one end of the rotating shaft outside the closed top cover is connected to the centrifugal motor through a gear set, and one end of the rotating shaft inside the closed top cover is connected to the separation rotating plate through a gear set, so as to realize the rotation of the separation rotating plate driven by the centrifugal motor.

[0017] In the above scheme: a treatment frame is further included, the treatment frame is a rectangular frame, and a plurality of the above treatment tanks are assembled on the treatment frame in a matrix form.

[0018] A total inlet pipe is arranged on the treatment frame, and the total inlet pipe is connected to the water inlet pipes of the treatment tanks through connecting branch pipes.

[0019] The processing framework is further provided with a total outlet pipe connected with the water outlet pipes of each processing tank for confluence;

[0020] The total inlet pipe is sequentially provided with a sewage pump and a total filter from front to back;

[0021] The total filter comprises a total filter box which is a rectangular box body, and an active filter cartridge is arranged in the total filter box, the active filter cartridge extends out of the total filter box, a filter residue discharge port is arranged on one side of the active filter cartridge, a filter residue cleaning door is arranged on the filter residue discharge port, and a filtering dynamic component is arranged at the end of the active filter cartridge.

[0022] In the above scheme, the filtering dynamic component is composed of a speed reducer connected with the rotating shaft of the active filter cartridge and a power motor linked with the speed reducer.

[0023] In the above scheme, a total control gate valve is arranged on the total inlet pipe.

[0024] Beneficial effects

[0025] The processing tank arranged in a matrix is used to process water in batches, the water after pretreatment is processed by the resin and membrane structure, and harmful ions are effectively filtered out, the fluid pressure control structure is arranged, under the action of the fluid pressure control structure, the resin adsorption structure can be driven to rotate, the centrifugal force is used to increase the osmotic pressure on one side of the membrane structure, on one hand, the processing efficiency and effect are improved, and on the other hand, through the integrated structure, the effect of facilitating disassembly and assembly is achieved, and the maintenance time is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a front view structural schematic diagram of the present application.

[0027] Figure 2 It is a front view structural schematic diagram of the present application.

[0028] Figure 3 It is a front view structural schematic diagram of the present application.

[0029] Figure 4 It is a front view structural schematic diagram of the present application.

[0030] Figure 5 It is a front view structural schematic diagram of the present application.

[0031] In the figure: 1, treatment tank; 2, treatment membrane cylinder; 3, resin filling cylinder; 4, fluid pressure control structure; 5, treatment frame; 6, total inlet pipe; 7, total outlet pipe; 8, sewage pump; 9, total filter; 11, closed top cover; 12, water inlet pipe; 13, water outlet pipe; 14, assembly seat; 15, first flow meter; 16, second flow meter; 17, collecting tank; 21, ultrafiltration membrane; 22, permeation membrane; 23, annular closing plate; 31, insertion slot; 32, socket; 41, isolation net cylinder; 42, isolation rotating plate; 43, centrifugal power assembly; 421, rotating groove; 422, ring; 423, connecting piece; 431, centrifugal motor; 432, rotating shaft; 433, gear set; 91, total filter box; 92, movable filter cylinder; 93, filter residue discharge port; 94, speed reducer; 95, power motor. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0033] Please refer to Figures 1-5 , the wastewater comprehensive treatment equipment based on resin and membrane treatment, the comprehensive treatment equipment takes the treatment tank 1 as the installation main body of the membrane structure and the resin adsorption device, specifically, the treatment tank 1 is a hollow column, used for connecting the water inlet pipe 12 and the water outlet pipe 13, the wastewater is passed into the treatment tank 1 through the water inlet pipe 12, and then the closed top cover 11 is arranged on the treatment tank 1, the closed top cover 11 is buckled on the top end of the treatment tank 1, and plays a sealing role, the closed top cover 11 is connected with the water inlet pipe 12, the treatment tank 1 is a treatment cavity, and the water outlet pipe 13 is arranged at the bottom of the treatment tank 1, and the treated water is discharged through the water outlet pipe 13.

[0034] A pair of assembly seats 14 are arranged at the two ends of the treatment tank 1 respectively, a pair of treatment membrane cylinders 2 can be fixed on the pair of assembly seats 14, a pair of treatment membrane cylinders 2 are coaxially assembled on the pair of assembly seats 14, a plurality of through holes are arranged on the treatment membrane cylinders 2, a pair of treatment membrane cylinders 2 are arranged at intervals inside and outside, and an ultrafiltration membrane 21 and a permeation membrane 22 are arranged on a pair of treatment membrane cylinders 2 respectively, wherein the permeation membrane 22 is located on the outside. The harmful ions in the wastewater can be filtered and permeated through the ultrafiltration membrane 21 and the permeation membrane 22, and the harmful ions are intercepted, and then the ultrafiltration membrane 21 and the permeation membrane 22 are assembled and fixed through the treatment membrane cylinder 2, the permeation membrane 22 and the ultrafiltration membrane 21 are coaxially fixed, the wastewater passes through a pair of treatment membrane cylinders 2 in sequence, and the membrane treatment is completed.

[0035] The resin filling cylinder 3 is coaxially arranged at the center of the processing membrane cylinder 2 on the inner side, the resin filling cylinder 3 is filled with adsorption resin, and the fluid pressure control structure 4 is arranged on the resin filling cylinder 3. A specific pair of assembling seats 14 is provided with a slot 31, the bottom of the resin filling cylinder 3 is provided with a socket 32, and the socket 32 is inserted into the slot 31 for insertion limiting. Through the limiting of the socket 32 and the slot 31, the supporting and limiting rotation functions are realized, so that the rotation of the resin filling cylinder 3 is more stable.

[0036] The resin filling cylinder 3 is loaded with adsorption resin, the pretreated wastewater first enters the resin filling cylinder 3, the harmful ions in the wastewater are adsorbed by the adsorption resin, and then the adsorbed and treated water is discharged into the processing cavity through the resin filling cylinder 3. The fluid pressure control structure 4 can control the resin filling cylinder 3, so that the resin filling cylinder 3 rotates at high speed according to the pressure requirement, and the centrifugal force is used to accelerate the precipitation of the adsorption resin.

[0037] The fluid pressure control structure 4 is composed of a separation net cylinder 41 sleeved outside the resin filling cylinder 3, a separation rotating plate 42 connected to the top end of the separation net cylinder 41, and a centrifugal power assembly 43 connected to the separation rotating plate 42. The separation rotating plate 42 is movably assembled in the closed top cover 11, and the water inlet pipe 12 extends through the separation rotating plate 42 to the resin filling cylinder 3.

[0038] The separation rotating plate 42 is movably assembled on the closed top cover 11 and movably connected with the end of the water inlet pipe 12. The separation rotating plate 42 is driven to rotate by the centrifugal power assembly 43, and then the separation rotating plate 42 rotates on the closed top cover 11, so that the separation net cylinder 41 drives the resin filling cylinder 3 to rotate, thereby increasing the centrifugal force of the resin filling cylinder 3 and accelerating the precipitation of the adsorption resin.

[0039] Specifically, the inner wall of the closed top cover 11 is provided with an annular rotating groove 421, the separation rotating plate 42 is assembled in the annular rotating groove 421, the separation net cylinder 41 is a cylindrical body, a plurality of separation net holes are uniformly distributed on the separation net cylinder 41, and a ring 422 is arranged on the top of the separation net cylinder 41. The ring 422 is connected with the separation rotating plate 42 through a connecting piece 423. On the one hand, the ring 422 limits the separation rotating plate 42, and on the other hand, the separation rotating plate 42 seals the lower part to prevent water leakage. The ring 422 can be disassembled from the separation net cylinder 41, the adsorption resin can be intercepted through the separation net holes, and the resin leakage is avoided.

[0040] The centrifugal power assembly 43 comprises a centrifugal motor 431 fixed on one side of the closed top cover 11, a rotating shaft 432 sleeved on one side of the closed top cover 11, and an end of the rotating shaft 432 outside the closed top cover 11 is connected with the centrifugal motor 431 through a gear set 433, and an end of the rotating shaft 432 inside the closed top cover 432 is connected with the isolation rotating plate 42 through the gear set 433, so that the isolation rotating plate 42 is driven to rotate by the centrifugal motor 431. Further, the gear set 433 comprises a rotating gear, the isolation rotating plate 42 is provided with the rotating gear, the centrifugal motor 431 is provided with a driving gear, the rotating shaft 432 is movably arranged on the closed top cover 11, and a pair of transmission gears are arranged on both ends of the rotating shaft 432 and are engaged with the rotating gear and the driving gear respectively.

[0041] The centrifugal motor 431 drives the gear set 433 to rotate the rotating shaft 432, and then drives the isolation rotating plate 42 to rotate, and the isolation rotating plate 42 drives the isolation screen cylinder 41 to rotate, so that the resin filler cylinder 3 is driven to rotate by the isolation screen cylinder 41, and then the resin filler cylinder 3 accelerates the precipitation of the treated water under the action of the centrifugal force, and the osmotic pressure inside the treatment membrane cylinder 2 is increased, so that the osmotic pressure of the treatment membrane cylinder 2 is ensured, and the interception effect is ensured, and the osmotic pressure of the water treated by the resin is avoided to be insufficient, so that the treatment effect is not good.

[0042] In the specific implementation process, the centrifugal motor 431 drives the driving gear to rotate through the transmission of the pair of transmission gears, drives the driving gear to rotate, and then drives the rotating gear to drive the isolation rotating plate 42 to rotate, and the isolation rotating plate 42 drives the isolation screen cylinder 41 to rotate, which increases the centrifugal force on the resin filler cylinder 3.

[0043] The bottom of the treatment tank 1 is provided with a collecting tank 17 corresponding to the treatment membrane cylinder 2 located at the periphery, and the water from the treatment membrane cylinder 2 located at the periphery flows into the collecting tank 17, the collecting tank 17 is connected with the water outlet pipe 13, the water inlet pipe 12 is provided with a first flow meter 15, and the water outlet pipe 13 is provided with a second flow meter 16. The flow of the inlet water and the outlet water is monitored respectively, and the control accuracy of the inlet water and the outlet water is ensured in the treatment process, and the equipment is prevented from being damaged.

[0044] Preferably, the first end and the second end of the pair of treatment membrane cylinders 2 are supported and closed by the annular closed plate 23, and then the pair of treatment membrane cylinders 2 are fixed to the assembly seat 14 located at the upper side through a plurality of screws. First, the waste water passing through is subjected to ultrafiltration treatment through the ultrafiltration membrane 21, and then harmful ions in the treated water are intercepted under the action of the permeation membrane 22. The upper end and the lower end of the pair of treatment membrane cylinders 2 are both provided with the annular closed plate 23, which not only fixes the treatment membrane cylinder 2, but also ensures that the treatment membrane cylinder 2 will not leak during the rotation of the resin filler cylinder 3.

[0045] The closed top cover 11 is a cylindrical plate with one side open, a through slot is formed in the center of the closed top cover 11 for inserting the water inlet pipe 12, the closed top cover 11 is connected to the top end of the treatment tank 1 by bolt members, and the closed top cover 11 can be detached from the treatment tank 1, which facilitates disassembly and assembly.

[0046] In actual use, in order to improve the processing capacity, a treatment frame 5 is further included, the treatment frame 5 is a rectangular frame, and a plurality of the above-mentioned treatment tanks 1 are assembled on the treatment frame 5 in a matrix form; the plurality of treatment tanks 1 are arranged in a matrix array, and a total inlet pipe 6 is arranged on the treatment frame 5,

[0047] The total inlet pipe 6 is connected to the water inlet pipe 12 of each treatment tank 1 through a connecting branch pipe; a total outlet pipe 7 is further arranged on the treatment frame 5, and the total outlet pipe 7 is connected to the water outlet pipe 13 of each treatment tank 1 for confluence; water is supplied to the plurality of treatment tanks 1, and the treated water is confluenced from the water outlet pipe 13 at the lower part of the treatment tank 1 to the total outlet pipe 7, the total outlet pipe 7 is installed at the bottom of the treatment frame 5, and is used for discharging the treated water;

[0048] Further, a sewage pump 8 and a total filter 9 are sequentially arranged on the total inlet pipe 6 from front to back, and then the water is pumped from the total inlet pipe 6 into the total filter 9, the water can be pre-filtered through the total filter 9, so as to avoid increasing the pressure in the process of adsorbing resin treatment, and then a total control gate valve can control the opening and closing of the total inlet pipe 6.

[0049] The total filter 9 includes a total filter box 91, the total filter box 91 is a rectangular box body, and a movable filter cylinder 92 is arranged in the total filter box 91, the movable filter cylinder 92 extends out of the total filter box 91, a filter residue discharge port 93 is arranged on one side of the movable filter cylinder 92, a filter residue cleaning door is arranged on the filter residue discharge port 93, and a filtering dynamic assembly is arranged at the end of the movable filter cylinder 92.

[0050] In the specific implementation process, the filtering dynamic assembly is composed of a speed reducer 94 connected to the rotating shaft of the movable filter cylinder 92 and a power motor 95 linked with the speed reducer 94, the power motor 95 is linked with the speed reducer 94 to rotate, the output torque is improved, the speed reducer 94 drives the movable filter cylinder 92 to rotate, so as to pre-filter the wastewater entering from the water inlet end of the total inlet pipe 6 by using the movable filter cylinder 92, the water treated by pre-filtering enters the total filter box 91, and then is discharged to the water outlet end of the total inlet pipe 6 on the other side of the total filter box 91, so that the filtered water enters the treatment tank 1 from the total inlet pipe 6, and in the maintenance period, the filter residue is cleaned out from the filter residue discharge port 93 through the opening of the filter residue cleaning door.

[0051] The water is treated in batches by the matrix arranged treatment tank 1, the pretreated water is treated by the resin and the membrane structure, harmful ions are effectively filtered out, then the resin adsorption structure and the membrane treatment structure with coaxial structure are arranged in the treatment tank 1, and the fluid pressure control structure 4 is arranged, under the action of the fluid pressure control structure 4, the resin adsorption structure can be driven to rotate, the penetration pressure of the membrane structure treatment side is increased by the centrifugal force, on the one hand, the treatment efficiency and effect are improved, on the other hand, through the integrated structure, the effect of convenient disassembly and assembly is achieved, and the synchronous maintenance period is realized.

[0052] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wastewater integrated treatment device based on resin and membrane treatment, comprising a treatment tank (1), the treatment tank (1) being a hollow column, a closed top cover (11) being arranged on the treatment tank (1), a water inlet pipe (12) being connected to the closed top cover (11), characterized in that, The processing tank (1) is provided with a water outlet pipe (13) at the bottom thereof; A pair of the assembly seats (14) are coaxially provided with a pair of processing membrane cylinders (2), a plurality of through holes are provided on the processing membrane cylinders (2), the processing membrane cylinders (2) are arranged at intervals inside and outside, ultrafiltration membranes (21) and osmotic membranes (22) are respectively provided on the processing membrane cylinders (2), and the osmotic membranes (22) are located on the outside; A resin filler cylinder (3) is coaxially provided at the center of the processing membrane cylinder (2) on the inside, adsorption resin is filled in the resin filler cylinder (3), and a fluid pressure control structure (4) is provided on the resin filler cylinder (3); The fluid pressure control structure (4) is composed of an isolation net cylinder (41) sleeved on the outside of the resin filler cylinder (3), an isolation rotating plate (42) connected to the top end of the isolation net cylinder (41) and a centrifugal power assembly (43) connected to the isolation rotating plate (42); The isolation rotating plate (42) is movably assembled in the closed top cover (11), and the water inlet pipe (12) penetrates through the isolation rotating plate (42) and extends into the resin filler cylinder (3); the isolation rotating plate (42) is driven to rotate by the centrifugal power assembly (43), so that the isolation rotating plate (42) rotates on the closed top cover (11), and the isolation net cylinder (41) drives the resin filler cylinder (3) to rotate; A pair of the assembly seats (14) are coaxially provided with a pair of processing membrane cylinders (2), a plurality of through holes are provided on the processing membrane cylinders (2), the processing membrane cylinders (2) are arranged at intervals inside and outside, ultrafiltration membranes (21) and osmotic membranes (22) are respectively provided on the processing membrane cylinders (2), and the osmotic membranes (22) are located on the outside; An annular rotating groove (421) is formed in the inner wall of the closed top cover (11), the isolation rotating plate (42) is assembled in the annular rotating groove (421), the isolation net cylinder (41) is a cylindrical body, a plurality of isolation net holes are uniformly distributed on the isolation net cylinder (41), a ring hoop (422) is provided on the top of the isolation net cylinder (41), the ring hoop (422) is connected with the isolation rotating plate (42) through a connecting piece (423); the processing frame (5) is a rectangular frame, and a plurality of the processing tanks (1) are assembled on the processing frame (5) in a matrix form; A total inlet pipe (6) is provided on the processing frame (5), and the total inlet pipe (6) is connected to the water inlet pipes (12) of the processing tanks (1) through branch pipes; A total outlet pipe (7) is further provided on the processing frame (5) and connected to the water outlet pipes (13) of the processing tanks (1); A sewage pump (8) and a total filter (9) are sequentially provided on the total inlet pipe (6) from front to back; The total filter (9) comprises a total filter box (91) which is a box with rectangular structure, a movable filter cylinder (92) is arranged in the total filter box (91), the movable filter cylinder (92) extends out of the total filter box (91), a filter residue discharge port (93) is arranged on one side of the movable filter cylinder (92), a filter residue cleaning door is arranged on the filter residue discharge port (93), and a filtering dynamic component is arranged at the end of the movable filter cylinder (92).

2. The wastewater treatment apparatus according to claim 1, wherein The bottom of the treatment tank (1) is provided with a collecting groove (17) corresponding to the peripheral treatment membrane cylinder (2), water flows into the collecting groove (17) from the peripheral treatment membrane cylinder (2), the collecting groove (17) is connected with a water outlet pipe (13), a first flow meter (15) is arranged on the water inlet pipe (12), and a second flow meter (16) is arranged on the water outlet pipe (13).

3. The wastewater treatment apparatus according to claim 2, wherein The first end and the second end of the pair of treatment membrane cylinders (2) are supported and closed by a ring-shaped closing plate (23), and then the pair of treatment membrane cylinders (2) are fixed to the assembly seat (14) on the upper side through screws.

4. The wastewater treatment apparatus according to claim 3, wherein The closing top cover (11) is a cylindrical plate with one side opening, a through groove for inserting the water inlet pipe (12) is formed in the center of the closing top cover (11), and the closing top cover (11) is connected with the top end of the treatment tank (1) through a bolt piece.

5. The wastewater treatment apparatus according to claim 1, wherein The centrifugal dynamic component (43) comprises a centrifugal motor (431) fixed on one side of the closing top cover (11), a rotating shaft (432) sleeved on one side of the closing top cover (11), one end of the rotating shaft (432) outside the closing top cover (11) is connected with the centrifugal motor (431) through a gear set (433), and one end of the rotating shaft (432) in the closing top cover (11) is connected with the isolation rotating plate (42) through the gear set (433), so that the isolation rotating plate (42) is driven to rotate by the centrifugal motor (431).

6. The wastewater treatment apparatus according to claim 5, wherein The filtering dynamic component is composed of a speed reducer (94) connected with the rotating shaft of the movable filter cylinder (92) and a power motor (95) connected with the speed reducer (94).

7. The wastewater treatment apparatus according to claim 6, wherein the resin and membrane treatment apparatus is a comprehensive wastewater treatment apparatus. A total control gate valve is arranged on the total inlet pipe (6).

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