CN214734710U

CN214734710U - Dynamic membrane device based on periodic pressure difference control

Info

Publication number: CN214734710U
Application number: CN202121087719.5U
Authority: CN
Inventors: 李思敏
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-16
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a one set of dynamic membrane device based on periodic pressure differential control, including device main part and processing module, one side of device main part is provided with control panel, and control panel's upper end is provided with into dirty mouthful, and the upper end of device main part is provided with the motor, and the lower extreme of motor is provided with the axis of rotation that extends to the device main part is inside, and one side of motor is provided with the vacuum pump, and one side of vacuum pump is provided with the sludge impoundment, and the opposite side of device main part is provided with pressure sensor. This one set of dynamic membrane device based on periodic pressure differential control can reach and has simplified dynamic membrane device operation flow through setting up control panel, pressure sensor, vacuum pump, sludge impoundment, axis of rotation, rotating vane, suction dredge, blow off pipe, support rete and dynamic rete, realizes automatic supervision effect, saves the manpower supervision, and self-cleaning device realizes that the separation filters and washs and goes on simultaneously, and is more high-efficient convenient, has solved the problem of mud layer thickness effective control simultaneously.

Description

Dynamic membrane device based on periodic pressure difference control

Technical Field

The utility model relates to a high turbidity waste water technical field is handled to dynamic membrane specifically is one set of dynamic membrane device based on periodic pressure differential control.

Background

Compared with the traditional adsorption method, the dynamic membrane has higher economic value and higher plasticity as a membrane separation method. The dynamic membrane technology has the advantages of simple preparation process, high flux, easy cleaning and the like, is paid more attention to by more and more scientists in scientific research, and plays an absolute role in pollution treatment due to the advantages of low cost, simple manufacturing flow, easy cleaning and the like.

The prior art has the following defects or problems:

the existing dynamic membrane system device for wastewater treatment is complex in structure and complex in operation steps, the general operation process comprises membrane preparation, operation and backwashing stages, and most backwashing processes need manual control, so that the operation is complex, the dynamic membrane system device is not convenient to manage and use, and the work efficiency of the device is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide one set of dynamic membrane device based on periodic pressure differential control, it is complicated to have solved the current device structure that proposes in the background art, and operating procedure is loaded down with trivial details, and operation process needs manual control, and the operation is complicated, is unfavorable for the problem that the management was used and work efficiency is lower.

In order to achieve the above object, the utility model provides a following technical scheme: one set of dynamic membrane device based on periodic pressure difference control, its characterized in that: comprises a device main body and a processing module, wherein one side of the device main body is provided with a control panel, the upper end of the control panel is provided with a sewage inlet, the upper end of the device main body is provided with a motor, the lower end of the motor is provided with a rotating shaft extending to the inside of the device main body, one side of the motor is provided with a vacuum pump, one side of the vacuum pump is provided with a sludge pond, the other side of the device main body is provided with a pressure sensor, the lower end of the device main body is provided with a flowmeter, one side of the flowmeter is provided with a water reservoir, the center of the rotating shaft is provided with a connecting piece, one side of the connecting piece is provided with a sewage discharge pipeline connected with the vacuum pump, one end of the rotating shaft is provided with a moving mechanism, one side of the moving mechanism is provided with a rotating blade, the lower end of the moving mechanism is provided with a dynamic film layer, and the lower end of the dynamic film layer is provided with a supporting film layer, the mud pipe is arranged in the rotating shaft, and the outer side of the mud pipe is connected with a fixing block.

As the utility model discloses a preferred technical scheme, the axis of rotation passes through the motor and is connected with the device main part rotation, rotating vane passes through the axis of rotation and is connected with the device main part rotation.

As the utility model discloses an optimal technical scheme, the one end of fixed block is provided with the fixed slot, the fixed slot divide into two sets ofly, and is central symmetric distribution, the inside dimension of fixed slot and the size phase-match of fixed block, and fixed block and fixed slot sliding connection.

As the utility model discloses an optimized technical scheme, rotating vane's lower extreme is connected with the suction dredge, the quantity of suction dredge is six groups, and is the equidistance and distributes at the rotating vane lower extreme.

As the utility model discloses a preferred technical scheme, control panel passes through the electric wire and there is electric connection with processing module, processing module passes through the electric wire and there is electric connection with pressure sensor.

As the utility model discloses a preferred technical scheme, processing module passes through the electric wire and has electric connection with moving mechanism, processing module passes through the electric wire and has electric connection with the motor, processing module passes through the electric wire and has electric connection with the vacuum pump.

As the utility model discloses a preferred technical scheme, the inside size of connecting piece and the diameter size phase-match of axis of rotation, and the connecting piece rotates with the axis of rotation to be connected, the connecting piece communicates with each other with the suction dredge through the mud pipe.

Compared with the prior art, the utility model provides a one set of dynamic membrane device based on periodic pressure differential control possesses following beneficial effect:

1. according to the set of dynamic membrane device based on periodic pressure difference control, by arranging the control panel, the pressure sensor, the vacuum pump and the sludge tank, in the process of filtering untreated high turbid water, the pressure sensor is used for detecting the pressure in the device main body in real time, when a specified numerical value is reached, the vacuum pump is turned on or turned off, the redundant sludge in the device can be pumped out, the interior is not required to be cleaned manually, manual supervision is not required, the manual operation flow is simplified, a large amount of manpower is saved, and automatic operation is realized;

2. this one set of dynamic membrane device based on periodic pressure differential control, through setting up the axis of rotation, rotating vane, the suction pipe, the blow off pipe, support rete and dynamic rete, in the course of the work of device, when the numerical value that reachs the setting, inside rotating vane can realize reciprocating action, can also strike off the effect to the mud that comes more simultaneously, the suction pipe can take the effect out the mud of scraping off simultaneously, realize the self-cleaning effect, self-cleaning device realizes that separation filtration and washing go on simultaneously, it is more high-efficient convenient, the problem of mud layer thickness effective control has been solved simultaneously.

Drawings

FIG. 1 is a schematic structural view of a dynamic membrane apparatus of the present invention;

FIG. 2 is a schematic structural view of the dynamic membrane apparatus of the present invention;

FIG. 3 is a schematic view of the interior of the dynamic membrane apparatus of the present invention;

FIG. 4 is a schematic diagram of the internal side view structure of the dynamic membrane device of the present invention;

fig. 5 is the structure schematic diagram of the working principle of the dynamic membrane device of the present invention.

In the figure: 1. a device main body; 2. a control panel; 3. a sewage inlet; 4. a motor; 5. a rotating shaft; 6. a vacuum pump; 7. a sludge tank; 8. a pressure sensor; 9. a flow meter; 10. a reservoir; 11. a connecting member; 12. a blowdown line; 13. a moving mechanism; 14. a rotating blade; 15. a dynamic film layer; 16. a support film layer; 17. a sludge discharge pipe; 18. a fixed block; 19. fixing grooves; 20. a mud suction pipe; 21. and a processing module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in this embodiment: a set of dynamic membrane device based on periodic pressure difference control comprises a device main body 1 and a processing module 21, wherein one side of the device main body 1 is provided with a control panel 2, the upper end of the control panel 2 is provided with a sewage inlet 3, the upper end of the device main body 1 is provided with a motor 4, the lower end of the motor 4 is provided with a rotating shaft 5 extending into the device main body 1, one side of the motor 4 is provided with a vacuum pump 6, one side of the vacuum pump 6 is provided with a sludge pond 7, the other side of the device main body 1 is provided with a pressure sensor 8, the lower end of the device main body 1 is provided with a flowmeter 9, one side of the flowmeter 9 is provided with a water reservoir 10, the center of the rotating shaft 5 is provided with a connecting piece 11, one side of the connecting piece 11 is provided with a sewage discharge pipeline 12 connected with the vacuum pump 6, one end of the rotating shaft 5 is provided with a moving mechanism 13, one side of the moving mechanism 13 is provided with a rotating blade 14, the lower extreme of moving mechanism 13 is provided with dynamic rete 15, and the lower extreme of dynamic rete 15 is provided with support rete 16, and the inside of axis of rotation 5 is provided with mud pipe 17, and the outside of mud pipe 17 is connected with fixed block 18.

In the embodiment, the rotating shaft 5 is rotatably connected with the device main body 1 through the motor 4, and the rotating blades 14 are rotatably connected with the device main body 1 through the rotating shaft 5, so that the main function of scraping excess sludge in the device main body 1 is achieved; one end of the fixed block 18 is provided with a fixed groove 19, the fixed grooves 19 are divided into two groups and are distributed in a central symmetry manner, the internal size of the fixed groove 19 is matched with the size of the fixed block 18, the fixed block 18 is connected with the fixed groove 19 in a sliding manner, the main function is that the rotating blade 14 is driven to rotate through the rotation of the rotating shaft 5, and meanwhile, the up-and-down movement function of the rotating blade 14 can be realized; the lower ends of the rotating blades 14 are connected with sludge suction pipes 20, the sludge suction pipes 20 are six groups and are distributed at the lower ends of the rotating blades 14 at equal intervals, and the sludge suction pipes are mainly used for pumping out scraped sludge; the control panel 2 is electrically connected with the processing module 21 through an electric wire, the processing module 21 is electrically connected with the pressure sensor 8 through an electric wire, and the pressure sensor 8 is used for monitoring the inside, so that the labor is saved; the processing module 21 is electrically connected with the moving mechanism 13 through an electric wire, the processing module 21 is electrically connected with the motor 4 through an electric wire, and the processing module 21 is electrically connected with the vacuum pump 6 through an electric wire, so that automatic operation is realized, and operation steps are saved; the inside dimension of connecting piece 11 and the diameter size phase-match of axis of rotation 5, and connecting piece 11 and axis of rotation 5 rotate and be connected, and connecting piece 11 communicates with each other with suction pipe 20 through mud pipe 17 for guarantee the connectivity between the structure, discharge mud simultaneously.

The utility model discloses a theory of operation and use flow: during the use, set up the gear of pressure value on control panel 2, with developments rete 15 and support rete 16 setting in device main part 1 bottom, set up rotating vane 14 and suction dredge 20 simultaneously on the rete, device main part 1 sets up pressure sensor 8, connects flowmeter 9 afterwards, links to each other with cistern 10, and the micro-particle thing of separation passes through vacuum pump 6 and is discharged sludge impoundment 7 by mud pipe 17.

The specific method for treating the high-turbidity water by the dynamic membrane is as follows; high turbid water that does not pass through after the water pump promotes gets into dynamic membrane device main part 1, and high turbid water is behind supporting rete 16, and the particulate matter in the aquatic is held back gradually, forms dynamic rete 15 on supporting rete 16 gradually, detects the pressure value in the dynamic rete 15 filtration system through pressure sensor 8. When the pressure value reaches the upper limit of the set value, the connected rotating blade 14 and the sludge suction pipe 20 are automatically started, part of new membrane layers on the supporting membrane layer 16 are removed, so that the operating pressure of the dynamic membrane filtration system is reduced, the pressure value is reduced to the lower limit of the set value and is stopped, the rotating blade 14 can move up and down, the thickness of the dynamic membrane layer 15 with different requirements is met, micro-particles flow into the sludge suction pipe 20 under the action of the vacuum pump 6, the micro-particles are discharged to the sludge tank 7 through the sludge discharge pipe 17, and water after being filtered and separated enters the water storage tank 10 after passing through the flow meter 9.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. One set of dynamic membrane device based on periodic pressure difference control, its characterized in that: comprises a device main body (1) and a processing module (21), one side of the device main body (1) is provided with a control panel (2), the upper end of the control panel (2) is provided with a sewage inlet (3), the upper end of the device main body (1) is provided with a motor (4), the lower end of the motor (4) is provided with a rotating shaft (5) extending to the inside of the device main body (1), one side of the motor (4) is provided with a vacuum pump (6), one side of the vacuum pump (6) is provided with a sludge pond (7), the other side of the device main body (1) is provided with a pressure sensor (8), the lower end of the device main body (1) is provided with a flowmeter (9), one side of the flowmeter (9) is provided with a reservoir (10), the center of the rotating shaft (5) is provided with a connecting piece (11), one side of the connecting piece (11) is provided with a sewage discharge pipeline (12) connected with the vacuum pump (6), the one end of axis of rotation (5) is provided with moving mechanism (13), one side of moving mechanism (13) is provided with rotating vane (14), the lower extreme of moving mechanism (13) is provided with dynamic rete (15), the lower extreme of dynamic rete (15) is provided with supports rete (16), the inside of axis of rotation (5) is provided with mud pipe (17), the outside of mud pipe (17) is connected with fixed block (18).

2. The set of dynamic membrane devices based on cyclic differential pressure control according to claim 1, wherein: the rotating shaft (5) is rotatably connected with the device body (1) through the motor (4), and the rotating blades (14) are rotatably connected with the device body (1) through the rotating shaft (5).

3. The set of dynamic membrane devices based on cyclic differential pressure control according to claim 1, wherein: the one end of fixed block (18) is provided with fixed slot (19), fixed slot (19) divide into two sets ofly, and are central symmetric distribution, the inside dimension of fixed slot (19) and the size phase-match of fixed block (18), and fixed block (18) and fixed slot (19) sliding connection.

4. The set of dynamic membrane devices based on cyclic differential pressure control according to claim 1, wherein: the lower end of the rotating blade (14) is connected with a mud suction pipe (20), the number of the mud suction pipes (20) is six, and the mud suction pipes are equidistantly distributed at the lower end of the rotating blade (14).

5. The set of dynamic membrane devices based on cyclic differential pressure control according to claim 1, wherein: the control panel (2) is electrically connected with the processing module (21) through an electric wire, and the processing module (21) is electrically connected with the pressure sensor (8) through an electric wire.

6. The set of dynamic membrane devices based on cyclic differential pressure control according to claim 1, wherein: the vacuum pump is characterized in that the processing module (21) is electrically connected with the moving mechanism (13) through an electric wire, the processing module (21) is electrically connected with the motor (4) through an electric wire, and the processing module (21) is electrically connected with the vacuum pump (6) through an electric wire.

7. The set of dynamic membrane devices based on cyclic differential pressure control according to claim 1, wherein: the inner size of the connecting piece (11) is matched with the diameter size of the rotating shaft (5), the connecting piece (11) is rotatably connected with the rotating shaft (5), and the connecting piece (11) is communicated with the mud suction pipe (20) through the mud discharge pipe (17).