Anti-fouling and anti-blocking device for sewage advanced treatment membrane system

Abstract

The utility model discloses an anti-fouling device for a sewage advanced treatment membrane system, which belongs to the technical field of sewage treatment.The anti-fouling device for the sewage advanced treatment membrane system comprises a purification tank and a treatment membrane component arranged in the purification tank, and a cleaning component is arranged on the outer side of a filter membrane of the treatment membrane component; the cleaning assembly comprises an aeration unit arranged at the top of the purification tank and a collection unit arranged at the bottom of the purification tank; the aeration unit comprises a sliding rail arranged at the top of the purification tank, a mounting frame movably arranged at the top of the sliding rail, a displacement unit arranged at the top of the mounting frame and an aeration pipe arranged at the bottom of the displacement unit; the collecting unit comprises a collecting box arranged at the bottom of the purifying pond and a sealing unit arranged at the top of the collecting box. According to the utility model, the aeration unit and the collection unit are arranged, so that the surface of the filter membrane is comprehensively cleaned, impurities are prevented from being stirred to move upwards in the cleaning process, and the impurities are convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially sewage advanced treatment membrane system anti -fouling device of blocking. BACKGROUND

[0002] Sewage treatment, for making sewage reach the water quality requirement of drainage certain water body or reusing, carries out the process to its purification, sewage treatment is widely used in building, agriculture, transportation, energy, petrochemical, environmental protection, city landscape, medical treatment, catering and each field, also more and more go into the daily life of ordinary people, need to use MBR processing membrane when sewage treatment, combine membrane separation technology and biological treatment technology and carry out efficient treatment to sewage.

[0003] The existing sewage treatment system in the use process, MBR membrane is polluted in the use process easily, lead to membrane hole blockage and water production decline. This pollution is mainly caused by suspended particles, microorganisms, colloids, dissolved organic matter and other impurities, these pollutants will adhere to the membrane surface or penetrate into the membrane hole, thereby affecting the permeability and treatment efficiency of the membrane, thereby affecting the sewage treatment efficiency.

[0004] Therefore, it is urgent to provide a sewage advanced treatment membrane system anti-fouling device to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem of overcoming the above-mentioned prior art sewage treatment system in the use process, MBR membrane is polluted in the use process easily, lead to membrane hole blockage and water production decline. This pollution is mainly caused by suspended particles, microorganisms, colloids, dissolved organic matter and other impurities, these pollutants will adhere to the membrane surface or penetrate into the membrane hole, thereby affecting the permeability and treatment efficiency of the membrane, thereby affecting the sewage treatment efficiency, provide a sewage advanced treatment membrane system anti-fouling device.

[0006] To solve the above technical problems, one technical scheme of the utility model is: provide a sewage advanced treatment membrane system anti-fouling device, including purification tank and setting in the treatment membrane assembly of purification tank inside, the outside of the filter membrane of treatment membrane assembly is provided with cleaning assembly;

[0007] The cleaning assembly includes an aeration unit arranged at the top of the purification tank and a collection unit arranged at the bottom of the purification tank.

[0008] The aeration unit includes a slide rail arranged at the top of the purification tank, a mounting bracket movably arranged at the top of the slide rail, a displacement unit arranged at the top of the mounting bracket, and an aeration pipe arranged at the bottom of the displacement unit.

[0009] The collection unit includes a collection box arranged at the bottom of the purification tank and a sealing unit arranged at the top of the collection box.

[0010] The utility model further sets up: the bottom corner of purification pond all is equipped with the prop.

[0011] The utility model further sets up: the aeration unit still includes the receiving groove of setting in the top surface of purification pond and the lifting spare between setting in the bottom of receiving groove and sliding rail.

[0012] The utility model further sets up: displacement unit includes the fixed seat of fixed connection in the top of mounting bracket, the screw rod of activity setting in the side of fixed seat, the movable sleeve of screw connection in the outside of screw rod, the moving seat of installation in movable sleeve bottom, the side of screw rod is provided with driving piece, the top surface of mounting bracket is set up with through groove, moving seat is set up in the inside of through groove,

[0013] The aeration pipe is installed in the bottom of moving seat.

[0014] The utility model further sets up: the aeration unit still includes the gas conveying unit of setting in the side of aeration pipe,

[0015] The gas conveying unit includes the mounting plate of installation in the top of purification pond, the conveying piece of installation in the top of mounting plate, is set up between the connecting hose of conveying piece air outlet and aeration pipe.

[0016] The utility model further sets up: the bottom of purification pond is set up with the sewage outlet, the collection box is installed in the sewage outlet place.

[0017] The utility model further sets up: the sealing unit includes the sealing groove of setting in the side wall of sewage outlet, the sealing plate of setting in the inside of sealing groove, the sliding sleeve of installation in the top surface edge position of sealing plate, is set up in the screw rod of sliding sleeve inboard, the outside of purification pond is installed with support frame, the screw rod is set up between the outside surface of support frame and purification pond.

[0018] The utility model further sets up: the sealing unit still includes the guide rod of installation in the opposite side wall of support frame and the guide sleeve of activity connection in the outside of guide rod, the guide sleeve is installed in the top surface of sealing plate.

[0019] The utility model has the advantages as follows:

[0020] 1. The utility model discloses a setting aeration unit, cooperate with the work of elevating piece and make the slide rail go down to make the aeration pipe go down to the middle of two adjacent filter membranes, cooperate with the work of conveying piece and make the external gas enter the inside of aeration pipe through the connecting hose, cooperate with the aeration hole of the both sides pipe wall setting of aeration pipe and carry out aeration treatment to the surface of filter membrane, cooperate with the work of driving piece and drive the screw rod to rotate to make the movable sleeve slide along the length direction of screw rod under the effect of screw pair, cooperate with the moving seat and drive the aeration pipe to move to clean the surface of filter membrane comprehensively,

[0021] 2. The utility model discloses a setting collection unit, and the impurity that washes down will cooperate with the blowdown and enter the inside collection box, and when needing to clean the impurity in the inside collection box, cooperate with the rotation screw rod to make the sliding sleeve slide along the length direction of screw rod under the effect of screw pair to push the sealing plate to the inside activity of sealing groove, and the stability of sealing plate movement is improved with the cooperation of guide rod and guide sleeve to seal the blowdown, avoid the impurity to go up under the agitation in the cleaning process, and the impurity is cleaned conveniently. DRAWINGS

[0022] Figure 1 It is the perspective view of the utility model,

[0023] Figure 2 It is the sectional perspective view of the utility model,

[0024] Figure 3 It is the utility model Figure 2 The partial close -up of A place in,

[0025] Figure 4 It is the utility model Figure 2 The partial close -up of B place,

[0026] In the drawing: 1, purification pond;11, support;12, blowdown;2, treatment membrane assembly;21, filter membrane;3, cleaning assembly;31, aeration unit;311, slide rail;312, mounting frame;313, displacement unit;3131, fixed seat;3132, screw rod;3133, movable sleeve;3134, moving seat;3135, driving piece;314, aeration pipe;315, storage groove;316, elevating piece;317, gas conveying unit;3171, mounting plate;3172, conveying piece;3173, connecting hose;32, collection unit;321, collection box;322, sealing unit;3221, sealing groove;3222, sealing plate;3223, sliding sleeve;3224, screw rod;3225, support frame;3226, guide rod;3227, guide sleeve. DETAILED DESCRIPTION

[0027] The advantages and features of the present application can be more easily understood by those skilled in the art from the preferred embodiments of the present application described in detail below with reference to the drawings, so that the protection scope of the present application can be more clearly defined.

[0028] Please refer to Figure 1 - Figure 4 The device for preventing pollution blocking of a sewage advanced treatment membrane system comprises a purification tank 1 and a treatment membrane assembly 2 arranged in the purification tank 1, an outer side of a filter membrane 21 of the treatment membrane assembly 2 is provided with a cleaning assembly 3, and the cleaning assembly 3 is used for cleaning the filter membrane 21 in the treatment membrane assembly 2.

[0029] The cleaning assembly 3 comprises an aeration unit 31 arranged at a top of the purification tank 1 and a collection unit 32 arranged at a bottom of the purification tank 1.

[0030] The aeration unit 31 comprises a sliding rail 311 arranged at the top of the purification tank 1, a mounting frame 312 movably arranged at a top of the sliding rail 311, a displacement unit 313 arranged at a top of the mounting frame 312 and an aeration pipe 314 arranged at a bottom of the displacement unit 313, preferably, a side of the sliding rail 311 is provided with a driving device (not shown in the figure), and a length of the aeration pipe 314 is greater than a height of the filter membrane 21.

[0031] The collection unit 32 comprises a collection box 321 arranged at the bottom of the purification tank 1 and a sealing unit 322 arranged at a top of the collection box 321.

[0032] The bottom corners of the purification tank 1 are each provided with a support column 11.

[0033] The aeration unit 31 further comprises a receiving groove 315 arranged at a top surface of the purification tank 1 and a lifting piece 316 arranged between the receiving groove 315 and the sliding rail 311, preferably, the lifting piece 316 is a lifting air cylinder.

[0034] The displacement unit 313 comprises a fixed seat 3131 fixedly connected at a top of the mounting frame 312, a lead screw 3132 movably arranged at a side of the fixed seat 3131, a movable sleeve 3133 threadedly connected at an outer side of the lead screw 3132, a moving seat 3134 arranged at a bottom of the movable sleeve 3133, a driving piece 3135 arranged at a side of the lead screw 3132, preferably, the driving piece 3135 is a servo motor, a top surface of the mounting frame 312 is provided with a through groove, and the moving seat 3134 is movably arranged in the through groove.

[0035] The aeration pipe 314 is arranged at the bottom of the moving seat 3134.

[0036] The aeration unit 31 further comprises a gas conveying unit 317 arranged at a side of the aeration pipe 314.

[0037] The gas conveying unit 317 comprises a mounting plate 3171 mounted on the top of the purification tank 1, a conveying part 3172 mounted on the top of the mounting plate 3171, and a connecting hose 3173 arranged between the air outlet of the conveying part 3172 and the aeration pipe 314. Preferably, the conveying part 3172 is a gas pump.

[0038] The bottom of the purification tank 1 is provided with a sewage outlet 12, and the collecting box 321 is mounted at the sewage outlet 12.

[0039] The sealing unit 322 comprises a sealing groove 3221 arranged on the side wall of the sewage outlet 12, a sealing plate 3222 arranged in the sealing groove 3221, a sliding sleeve 3223 mounted on the top edge of the sealing plate 3222, and a threaded rod 3224 arranged in the sliding sleeve 3223. A support frame 3225 is mounted on the outer surface of the purification tank 1, and the threaded rod 3224 is arranged between the support frame 3225 and the outer surface of the purification tank 1.

[0040] The sealing unit 322 further comprises a guide rod 3226 mounted on the opposite side wall of the support frame 3225 and a guide sleeve 3227 movably connected to the outside of the guide rod 3226. The guide sleeve 3227 is mounted on the top surface of the sealing plate 3222.

[0041] When it is necessary to clean the filter membrane 21 in the treatment membrane assembly 2, the sliding rail 311 is first driven to work, so that the mounting frame 312 moves along the sliding rail 311, thereby driving the aeration pipe 314 to displace above the adjacent two filter membranes 21. Then, the lifting part 316 is operated to make the sliding rail 311 move downward, so that the aeration pipe 314 moves downward to the middle of the adjacent two filter membranes 21. The conveying part 3172 is operated to make the external gas enter the aeration pipe 314 through the connecting hose 3173, and then the filter membrane 21 is aerated through the aeration holes arranged on the two side walls of the aeration pipe 314. Then, the driving part 3135 is operated to drive the screw rod 3132 to rotate, so that the movable sleeve 3133 slides along the length direction of the screw rod 3132 under the action of the screw pair, thereby driving the aeration pipe 314 to move through the moving seat 3134, so as to clean the surface of the filter membrane 21 comprehensively.

[0042] The impurities cleaned down enter the collecting box 321 through the sewage outlet 12, and are collected. When it is necessary to clean the impurities in the collecting box 321, the threaded rod 3224 is rotated, so that the sliding sleeve 3223 slides along the length direction of the threaded rod 3224 under the action of the screw pair, thereby driving the sealing plate 3222 to move towards the inside of the sealing groove 3221. The guide rod 3226 and the guide sleeve 3227 cooperate to improve the stability of the movement of the sealing plate 3222, thereby sealing the sewage outlet 12, avoiding the upward movement of the impurities caused by stirring during the cleaning process, and facilitating the cleaning of the impurities.

[0043] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation made by using the content of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A device for preventing fouling of a wastewater advanced treatment membrane system, comprising a purification tank (1) and a treatment membrane assembly (2) arranged inside the purification tank (1), characterized in that: The outer side of the filter membrane (21) of the treatment membrane assembly (2) is provided with a cleaning assembly (3); The cleaning assembly (3) comprises an aeration unit (31) arranged at the top of the purification tank (1) and a collection unit (32) arranged at the bottom of the purification tank (1); The aeration unit (31) comprises a sliding rail (311) arranged at the top of the purification tank (1), a mounting frame (312) movably arranged at the top of the sliding rail (311), a displacement unit (313) arranged at the top of the mounting frame (312), and an aeration pipe (314) arranged at the bottom of the displacement unit (313). The collection unit (32) comprises a collection box (321) arranged at the bottom of the purification tank (1) and a sealing unit (322) arranged at the top of the collection box (321).

2. The device for preventing pollution blocking of a sewage advanced treatment membrane system according to claim 1, characterized in that: The bottom corners of the purification tank (1) are each provided with a support column (11).

3. The device for preventing fouling of a wastewater advanced treatment membrane system according to claim 2, characterized in that: The aeration unit (31) further comprises a receiving groove (315) arranged on the top surface of the purification tank (1) and a lifting piece (316) arranged between the receiving groove (315) and the sliding rail (311).

4. The device for preventing fouling of a wastewater advanced treatment membrane system according to claim 3, characterized in that: The displacement unit (313) comprises a fixed seat (3131) fixedly connected to the top of the mounting frame (312), a lead screw (3132) movably arranged on the side of the fixed seat (3131), a movable sleeve (3133) threadedly connected to the outer side of the lead screw (3132), a moving seat (3134) mounted at the bottom of the movable sleeve (3133), a driving piece (3135) arranged on the side of the lead screw (3132), and a through slot formed in the top surface of the mounting frame (312), wherein the moving seat (3134) is movably arranged in the through slot. The aeration pipe (314) is mounted at the bottom of the moving seat (3134).

5. The device for preventing fouling of a wastewater advanced treatment membrane system according to claim 4, characterized in that: The aeration unit (31) further comprises a gas conveying unit (317) arranged on the side of the aeration pipe (314). The gas conveying unit (317) comprises a mounting plate (3171) mounted at the top of the purification tank (1), a conveying piece (3172) mounted at the top of the mounting plate (3171), and a connecting hose (3173) arranged between the air outlet of the conveying piece (3172) and the aeration pipe (314).

6. The device for preventing fouling of a wastewater advanced treatment membrane system according to claim 5, characterized in that: A sewage outlet (12) is formed in the bottom of the purification tank (1), and the collection box (321) is mounted at the sewage outlet (12).

7. The device for preventing fouling of a wastewater advanced treatment membrane system according to claim 6, characterized in that: The sealing unit (322) comprises a sealing groove (3221) arranged on the side wall of the sewage outlet (12), a sealing plate (3222) arranged in the sealing groove (3221), a sliding sleeve (3223) mounted at the edge position of the top surface of the sealing plate (3222), a threaded rod (3224) arranged in the inner side of the sliding sleeve (3223), a support frame (3225) mounted on the outer surface of the purification tank (1), and the threaded rod (3224) arranged between the support frame (3225) and the outer surface of the purification tank (1).

8. The device for preventing fouling of a wastewater advanced treatment membrane system according to claim 7, characterized in that: The sealing unit (322) further comprises a guide rod (3226) mounted on the opposite side wall of the support frame (3225) and a guide sleeve (3227) movably connected to the outer side of the guide rod (3226), and the guide sleeve (3227) is mounted on the top surface of the sealing plate (3222).

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