CN111871211B

CN111871211B - Ultrasonic wave antipollution detachable ultrafiltration membrane system

Info

Publication number: CN111871211B
Application number: CN202010823259.1A
Authority: CN
Inventors: 桂双林; 熊继海; 姜钦亮; 吴九九; 麦兆环; 付嘉琦
Original assignee: ENERGY RESEARCH INSTITUTE OF JIANGXI ACADEMY OF SCIENCES
Current assignee: ENERGY RESEARCH INSTITUTE OF JIANGXI ACADEMY OF SCIENCES
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-27
Anticipated expiration: 2040-08-17
Also published as: CN111871211A

Abstract

The invention discloses an ultrasonic anti-pollution detachable ultrafiltration membrane system which comprises an upper shell and a lower shell arranged below the upper shell, wherein the upper shell and the lower shell are fixedly connected through an installation mechanism, a filter cavity is formed between the upper shell and the lower shell, the inner top of the upper shell is fixedly connected with an installation ring, the inner bottom of the lower shell is fixedly connected with a positioning ring, an ultrafiltration membrane fiber membrane core for filtering and purifying water quality is arranged between the positioning ring and the installation ring, the middle position of the upper shell is provided with a water inlet in a penetrating manner, and a cleaning mechanism for cleaning the ultrafiltration membrane fiber membrane core is arranged inside the water inlet. The invention has reasonable structural design, can drive the scraper blade in a hydraulic mode to facilitate the cleaning of impurities, and then drive the cleaning pipe to rotate and spray in a wind power mode to facilitate the sufficient blowing off of the impurities on the fiber membrane core of the ultrafiltration membrane, and facilitates the installation and the disassembly of the device through the arrangement of the installation mechanism.

Description

Ultrasonic wave antipollution detachable ultrafiltration membrane system

Technical Field

The invention relates to the technical field of ultrafiltration membrane systems, in particular to an ultrasonic anti-pollution detachable ultrafiltration membrane system.

Background

The ultrafiltration membrane is used for artificial membrane penetration in the ultrafiltration process. Generally made of polymeric materials such as: cellulose acetate, cellulose acetate esters, polyethylene, polysulfone, and polyamide. Membrane modules of various types such as tubular type, plate type, roll type, capillary type and the like are generally manufactured in advance, and then a plurality of modules are assembled together for application so as to increase the filtration area and facilitate maintenance. The ultrafiltration membrane is a polymer semipermeable membrane which can separate polymer colloid or suspended particles with certain size from a solution in the ultrafiltration process. The membrane has a pore diameter of 1-100 nm and belongs to an asymmetric membrane type by taking pressure as a driving force. The pore density is about 10/cm, the operating pressure difference is 100-1000 kPa, the device is suitable for removing colloid-grade particles and macromolecules, and can separate solution with the concentration less than 10%.

But the milipore filter is in the process of long-time use, because the membrane surface very easily pollutes the jam, causes the membrane flux to reduce, has reduced the filter effect of device, also leads to the life of membrane to shorten greatly, consequently, need regularly to change the milipore filter, but traditional milipore filter is often all the integral type, the change of inconvenient milipore filter, and current back flush clearance mode, need have certain deposit to the play water, be unfavorable for the expansion of cleaning operation, a detachable milipore filter system of ultrasonic wave antipollution has been proposed for this.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an ultrasonic anti-pollution detachable ultrafiltration membrane system.

In order to achieve the purpose, the invention adopts the following technical scheme:

an ultrasonic anti-pollution detachable ultrafiltration membrane system comprises an upper shell and a lower shell arranged below the upper shell, wherein the upper shell is fixedly connected with the lower shell through an installation mechanism, a filter cavity is formed between the upper shell and the lower shell, an installation ring is fixedly connected with the inner top of the upper shell, a positioning ring is fixedly connected with the inner bottom of the lower shell, an ultrafiltration membrane fiber membrane core for filtering and purifying water is arranged between the positioning ring and the installation ring, a water inlet is arranged at the middle position of the upper shell in a penetrating manner, a cleaning mechanism for cleaning the ultrafiltration membrane fiber membrane core is arranged inside the water inlet, a water outlet is arranged on the side wall of the lower shell, an air inlet pipe is arranged on the side wall of the lower shell in a penetrating manner, the air inlet pipe is fixedly connected with the lower shell, and one end of the air inlet pipe, which is positioned, the lower extreme of connecting pipe and the interior bottom fixed connection of casing down, the upside intercommunication of connecting tube has the clearance pipe, the clearance pipe rotates with the connecting tube to be connected, the outside of clearance pipe is equidistant to be provided with a plurality of exhaust vents, the inside of connecting tube is provided with and is used for driving clearance pipe pivoted actuating mechanism.

Preferably, installation mechanism includes fixed connection and encircles at the lower mounting ring of casing lateral wall upper end down, go up the lateral wall lower extreme fixedly connected with of casing and go up the mounting ring, it is provided with a plurality of construction bolts to go up the equidistant circumference on mounting ring and the lower mounting ring, and is a plurality of equal threaded connection has mounting nut on the construction bolt.

Preferably, a plurality of mounting holes matched with the mounting bolts are formed in the upper mounting ring and the lower mounting ring at equal intervals, and a sealing ring for sealing is arranged between the lower shell and the upper shell.

Preferably, clearance mechanism is including setting up at the inside rotatable water driving wheel of water inlet, the first pivot of downside fixedly connected with of water driving wheel, the lower extreme fixedly connected with connection pad of first pivot, the outside symmetry of connection pad is provided with two mounting panels, mounting panel and connection pad fixed connection, one side fixedly connected with scraper blade of connection pad is kept away from to the mounting panel, the scraper blade offsets with the internal surface of milipore filter fibre membrane core and sets up, the inside of milipore filter fibre membrane core is provided with the supporting mechanism who is used for first pivot rotation to support.

Preferably, the supporting mechanism includes that the cover establishes the solid fixed ring on first pivot outside, gu fixed ring and first pivot swivelling joint, gu fixed ring's outside circumference equidistant is provided with a plurality of fixed plates, the fixed plate is kept away from solid fixed ring's one side and the internal surface fixed connection of milipore filter fibre membrane core, the internal surface fixed connection of milipore filter fibre membrane core is used for the stable pivoted confinement ring of scraper blade.

Preferably, the upside of holding ring all is provided with the mounting groove with milipore filter fiber membrane core looks adaptation with the downside of collar, milipore filter fiber membrane core is located the inside of mounting groove, the upside of collar is provided with the restriction groove, the lower extreme of scraper blade is located the inside of restriction groove, and scraper blade and collar sliding connection.

Preferably, actuating mechanism is including rotating the second pivot of connection on the bottom in the connecting tube, the upper end fixedly connected with connecting plate of second pivot, both ends and the inboard fixed connection of clearance pipe about the connecting plate, the outside cover of second pivot is equipped with the wind cup, wind cup and second pivot fixed connection, the wind cup is located the inside of connecting tube.

Preferably, an electromagnetic valve is arranged inside the cleaning pipe, and the height of the electromagnetic valve is flush with the bottom in the air outlet with the lowest height.

The invention has the following beneficial effects:

1. through the arrangement of the mounting mechanism, the rapid disassembly between the upper shell and the lower shell can be realized by utilizing the matching of the mounting bolt and the mounting nut, so that the replacement and the cleaning of the ultrafiltration membrane fiber membrane core are facilitated;

2. through the arrangement of the cleaning mechanism, the hydraulic wheel can be rotated by utilizing the impulsive force of water flow, the rotation of the first rotating shaft can be conveniently realized by utilizing the hydraulic force, so that the scraper plate rotates, the impurities adhered to the inner surface of the ultrafiltration membrane fiber membrane core can be cleaned by the scraper plate, the adsorption and deposition of pollutants are prevented, the pollution tendency of the ultrafiltration membrane fiber membrane core is relieved to a certain extent, the service life of the ultrafiltration membrane is prolonged, and the water yield and the effluent quality are improved;

3. through the arrangement of the supporting mechanism, the stability of the scraper in rotation can be improved through the arrangement of the limiting ring, and the scraper can be cleaned conveniently;

4. through the setting of actuating mechanism and clearance pipe, the air current promotes the wind cup and rotates to make the clearance pipe rotate, the exhaust vent that the air current also can pass through the clearance pipe simultaneously discharges, conveniently falls the abundant blowing of impurity on the milipore filter fibre membrane core.

Drawings

FIG. 1 is a schematic structural diagram of an ultrasonic anti-pollution detachable ultrafiltration membrane system according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is a schematic top view of a mounting plate of an ultrasonic anti-contamination detachable ultrafiltration membrane system according to the present invention.

In the figure: the device comprises an air inlet pipe 1, a lower shell 2, a lower mounting ring 3, an upper mounting ring 4, an upper shell 5, an ultrafiltration membrane fiber membrane core 6, a mounting ring 7, a water inlet 8, a water driving wheel 9, a fixing plate 10, a first rotating shaft 11, a fixing ring 12, a mounting plate 13, a connecting plate 14, a cleaning pipe 15, an air outlet 16, a scraper 17, a sealing ring 18, a mounting bolt 19, a mounting nut 20, a limiting ring 21, a water outlet 22, an air cup 23, a second rotating shaft 24, a connecting pipeline 25, a connecting plate 26 and a positioning ring 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, an ultrasonic anti-pollution detachable ultrafiltration membrane system comprises an upper shell 5 and a lower shell 2 arranged below the upper shell 5, wherein the upper shell 5 is fixedly connected with the lower shell 2 through an installation mechanism, the installation mechanism comprises a lower installation ring 3 fixedly connected with the upper end of the side wall of the lower shell 2, the lower end of the side wall of the upper shell 5 is fixedly connected with an upper installation ring 4, a plurality of installation bolts 19 are arranged on the upper circumference of the upper installation ring 4 and the lower installation ring 3 at equal intervals, installation nuts 20 are connected on the installation bolts 19 in a threaded manner, the upper shell 5 and the lower shell 2 can be rapidly disassembled by utilizing the matching of the installation bolts 19 and the installation nuts 20, a plurality of installation holes matched with the installation bolts 19 are arranged on the upper installation ring 4 and the lower installation ring 3 at equal intervals, a sealing ring 18 for sealing is arranged between the connection part of the lower shell 2 and the upper shell 5, the sealing effect is achieved.

Go up casing 5 and form the filter chamber down between the casing 2, go up the interior top fixedly connected with collar 7 of casing 5, the interior bottom fixedly connected with holding ring 27 of casing 2 down is provided with the milipore filter fibre membrane core 6 that is used for water filtration purification between holding ring 27 and the collar 7, the upside of holding ring 27 all is provided with the mounting groove with the milipore filter fibre membrane core 6 looks adaptation with the downside of collar 7, milipore filter fibre membrane core 6 is located the inside of mounting groove.

A water inlet 8 is arranged at the middle position of the upper shell 5 in a penetrating manner, a cleaning mechanism for cleaning the ultrafiltration membrane fiber membrane core 6 is arranged inside the water inlet 8, the cleaning mechanism comprises a water driving wheel 9 which is arranged inside the water inlet 8 in a rotatable manner, the water driving wheel 9 can rotate by utilizing the impact force of water flow, the rotation of the first rotating shaft 11 can be conveniently realized by utilizing the water power, the first rotating shaft 11 is fixedly connected to the lower side of the water driving wheel 9, a connecting disc 14 is fixedly connected to the lower end of the first rotating shaft 11, two mounting plates 13 are symmetrically arranged on the outer side of the connecting disc 14, the mounting plates 13 are fixedly connected with the connecting disc 14, a scraper 17 is fixedly connected to one side of the mounting plates 13 far away from the connecting disc 14, the scraper 17 is abutted against the inner surface of the ultrafiltration membrane fiber membrane core 6, a limiting groove is arranged on the upper side, the scraper 17 can clear up the impurity of ultrafiltration membrane fiber membrane core 6 internal surface adhesion, prevents the adsorption and deposition of pollutant, alleviates the contaminated trend of ultrafiltration membrane fiber membrane core 6 to a certain extent, prolongs the life of ultrafiltration membrane, improves the water yield and goes out water quality.

Ultrafiltration membrane fibre membrane core 6's inside is provided with the supporting mechanism that is used for first pivot 11 to rotate the support, supporting mechanism establishes solid fixed ring 12 on the first pivot 11 outside including the cover, gu fixed ring 12 rotates with first pivot 11 to be connected, gu fixed ring 12's outside circumference equidistant is provided with a plurality of fixed plates 10, fixed plate 10 keeps away from solid fixed ring 12's one side and ultrafiltration membrane fibre membrane core 6's internal surface fixed connection, ultrafiltration membrane fibre membrane core 6's internal surface fixed connection has and is used for scraper blade 17 to stabilize pivoted confinement ring 21, can improve the stability when scraper blade 17 rotates, make things convenient for scraper blade 17 to clear up the work.

The lateral wall of casing 2 is provided with delivery port 22 down, the lateral wall of casing 2 runs through and is provided with air-supply line 1 down, air-supply line 1 and casing 2 fixed connection down, air-supply line 1 is located casing 2 inside one end down and is connected with connecting tube 25, the lower extreme of connecting tube 25 and casing 2's interior bottom fixed connection down, the upside intercommunication of connecting tube 25 has cleaning tube 15, cleaning tube 15 rotates with connecting tube 25 to be connected, cleaning tube 15's the outside is equidistant to be provided with a plurality of exhaust vents 16, cleaning tube 15's inside is provided with the solenoid valve, the height of solenoid valve and the interior bottom parallel and level of highly minimum exhaust vent 16, avoid the in-process of aqueous cleaning, water flows out through cleaning tube 15.

Connecting tube 25's inside is provided with and is used for driving clearance pipe 15 pivoted actuating mechanism, actuating mechanism is including rotating the second pivot 24 of connection on the bottom in connecting tube 25, the upper end fixedly connected with connecting plate 26 of second pivot 24, both ends and the inboard fixed connection of clearance pipe 15 about connecting plate 26, the outside cover of second pivot 24 is equipped with wind cup 23,

wind cup

23 and 24 fixed connection of second pivot, wind cup 23 is located connecting tube 25's inside, the air current promotes wind cup 23 and rotates, thereby make clearance pipe 15 rotate, the air outlet 16 that the air current also can be through clearance pipe 15 simultaneously discharges, conveniently blow off the abundant impurity on the milipore filter fibre membrane core 6 of milipore filter.

During cleaning, external pressure type water inflow is carried out through the water inlet 8, impurities are intercepted on the inner surface of the ultrafiltration membrane fiber membrane core 6, and clean water permeates through the ultrafiltration membrane fiber membrane core 6 and is output from the water outlet 22;

in the process that water flows through the water inlet 8, the water flow can push the water driving wheel 9 to rotate, the water driving wheel 9 can drive the first rotating shaft 11 to rotate, the first rotating shaft 11 can drive the connecting disc 14 to rotate, the connecting disc 14 can drive the mounting plate 13 to rotate, and the mounting plate 13 can drive the scraper 17 to rotate, so that impurities adhered to the inner surface of the ultrafiltration membrane fiber core 6 can be cleaned, adsorption and deposition of pollutants are prevented, the pollution tendency of the ultrafiltration membrane fiber core 6 is relieved to a certain extent, the service life of the ultrafiltration membrane is prolonged, and the water yield and the water quality are improved;

when the device stops purifying, air current accessible air-supply line 1 gets into connecting tube 25, the air current can promote wind cup 23 and rotate, wind cup 23 rotates and to realize the rotation of second pivot 24, second pivot 24 rotates and to drive connecting plate 26 and rotate, connecting plate 26 rotates and to drive clearance pipe 15 and rotate, the air current gets into the inside of clearance pipe 15 simultaneously, spout through exhaust vent 16 at last, can be at the rotatory in-process blowout air current of clearance pipe 15 like this, the convenience is with abundant the blowing of impurity on milipore filter fibre membrane core 6.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a detachable milipore filter system of ultrasonic wave antipollution, includes casing (5) and sets up casing (2) down in last casing (5) below, its characterized in that, go up through installation mechanism fixed connection between casing (5) and casing (2) down, it forms the filter chamber to go up between casing (5) and casing (2) down, go up interior top fixedly connected with collar (7) of casing (5), the interior bottom fixedly connected with holding ring (27) of casing (2) down, be provided with between holding ring (27) and collar (7) and be used for water quality filtration purification's milipore filter membrane core (6), the middle part position of going up casing (5) link up and is provided with water inlet (8), the inside of water inlet (8) is provided with and is used for the clear clearance mechanism of milipore filter membrane core (6), the lateral wall of casing (2) is provided with delivery port (22) down, the side wall of the lower shell (2) is provided with an air inlet pipe (1) in a penetrating mode, the air inlet pipe (1) is fixedly connected with the lower shell (2), one end, located inside the lower shell (2), of the air inlet pipe (1) is connected with a connecting pipeline (25), the lower end of the connecting pipeline (25) is fixedly connected with the inner bottom of the lower shell (2), the upper side of the connecting pipeline (25) is communicated with a cleaning pipe (15), the cleaning pipe (15) is rotatably connected with the connecting pipeline (25), the outer side of the cleaning pipe (15) is provided with a plurality of air outlet holes (16) at equal intervals, and a driving mechanism used for driving the cleaning pipe (15) to rotate is arranged inside the connecting pipeline (25);

the cleaning mechanism comprises a rotatable water driving wheel (9) arranged in a water inlet (8), a first rotating shaft (11) is fixedly connected to the lower side of the water driving wheel (9), a connecting disc (14) is fixedly connected to the lower end of the first rotating shaft (11), two mounting plates (13) are symmetrically arranged on the outer side of the connecting disc (14), the mounting plates (13) are fixedly connected with the connecting disc (14), a scraper (17) is fixedly connected to one side, far away from the connecting disc (14), of each mounting plate (13), the scraper (17) is abutted to the inner surface of an ultrafiltration membrane fiber membrane core (6), and a supporting mechanism for rotatably supporting the first rotating shaft (11) is arranged in the ultrafiltration membrane core (6);

the utility model discloses a filter plate, including the fixed ring of supporting mechanism establish on first pivot (11) outside fixed ring (12), fixed ring (12) rotate with first pivot (11) and are connected, the outside circumference of fixed ring (12) is provided with a plurality of fixed plates (10) to equidistant, fixed plate (10) are kept away from one side of fixed ring (12) and the internal surface fixed connection of milipore filter fibre membrane core (6), the internal surface fixed connection of milipore filter fibre membrane core (6) is used for scraper blade (17) to stabilize pivoted retaining ring (21).

2. An ultrasonic anti-pollution detachable ultrafiltration membrane system according to claim 1, wherein the mounting mechanism comprises a lower mounting ring (3) fixedly connected to the upper end of the side wall of the lower housing (2), an upper mounting ring (4) is fixedly connected to the lower end of the side wall of the upper housing (5), a plurality of mounting bolts (19) are circumferentially arranged on the upper mounting ring (4) and the lower mounting ring (3) at equal intervals, and mounting nuts (20) are screwed on the plurality of mounting bolts (19).

3. An ultrasonic anti-pollution removable ultrafiltration membrane system according to claim 2, wherein a plurality of mounting holes adapted to the mounting bolts (19) are provided on the upper mounting ring (4) and the lower mounting ring (3) at equal intervals, and a sealing ring (18) for sealing is provided between the connection of the lower casing (2) and the upper casing (5).

4. An ultrasonic anti-pollution detachable ultrafiltration membrane system according to claim 1, wherein the upper side of the positioning ring (27) and the lower side of the mounting ring (7) are both provided with mounting grooves adapted to the ultrafiltration membrane fiber membrane core (6), the ultrafiltration membrane fiber membrane core (6) is located inside the mounting grooves, the upper side of the limiting ring (21) is provided with limiting grooves, the lower end of the scraper (17) is located inside the limiting grooves, and the scraper (17) and the limiting ring (21) are slidably connected.

5. An ultrasonic anti-pollution detachable ultrafiltration membrane system according to claim 4, wherein the driving mechanism comprises a second rotating shaft (24) rotatably connected to the bottom inside the connecting pipe (25), a connecting plate (26) is fixedly connected to the upper end of the second rotating shaft (24), the left and right ends of the connecting plate (26) are fixedly connected to the inner side of the cleaning pipe (15), a wind cup (23) is sleeved on the outer side of the second rotating shaft (24), the wind cup (23) is fixedly connected to the second rotating shaft (24), and the wind cup (23) is located inside the connecting pipe (25).

6. An ultrasonic anti-pollution removable ultrafiltration membrane system according to claim 1, wherein the cleaning tube (15) is internally provided with a solenoid valve, and the height of the solenoid valve is flush with the bottom of the air outlet (16) with the lowest height.