CN214261409U

CN214261409U - Cleaning treatment system for membrane module

Info

Publication number: CN214261409U
Application number: CN202120005880.7U
Authority: CN
Inventors: 陈宏林; 张海东; 邓月海; 刘涛; 王红宇; 陈金伟; 赵魏巍; 廖国权
Original assignee: Tianjin Huanong Yangliuqing Thermoelectric Co Ltd
Current assignee: Tianjin Huanong Yangliuqing Thermoelectric Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-09-24
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a cleaning treatment system of membrane module relates to the membrane module field, washs unclean and water waste problem to current membrane, now proposes following scheme, and it includes the box, the box inner wall is fixed with three baffles, and the baffle separates the box for the purge chamber, be located the reservoir chamber of purge chamber one side, be located the sour liquid chamber of reservoir chamber one side and be located the alkali lye chamber of sour liquid chamber one side, purge chamber both sides inner wall rotates through the bearing and is connected with fixture. The utility model discloses an ultrasonic generator and transducer can utilize the ultrasonic wave to vibrate the washing when wasing, improve the cleaning efficiency, utilize scavenging pump and four-way solenoid valve to introduce the purge chamber with acidizing fluid and the alkali lye of the indoor storage of acidizing fluid chamber and alkali lye one by one simultaneously, make its clear cleaner, through suction pump, collecting box and filter screen, can collect the sewage after wasing and filter at recycle, improve water resource utilization.

Description

Cleaning treatment system for membrane module

Technical Field

The utility model relates to a membrane module field especially relates to a cleaning treatment system of membrane module.

Background

The membrane method technology is widely applied in the field of water treatment, has the advantages of high removal rate of pollutants and impurities in the incoming water, stable quality of the outgoing water, outstanding water making capacity and the like, and provides good guarantee for water using requirements of enterprises. Because suspended matters, organic matters, silicon, hardness ions and the like exist in water, cross-flow filtration or full-flow filtration can be adopted in the filtration process of ultrafiltration membranes and the like, but membrane pollution and pollution blockage can occur along with the prolonging of time no matter what way is adopted, so that the water is often required to be cleaned to recover the performance of the water.

The existing membrane cleaning technology mainly adopts a gas-water combined flushing mode and a chemical cleaning mode, wherein the gas-water combined flushing mode is used for removing an unstable deposition scale layer on the surface of a membrane by utilizing the action of air force and water power, but cannot remove stable scaling substances on the surface of the membrane and pollutants in the gap of the membrane; chemical cleaning is to utilize chemical agent and membrane scale formation material to react, will wash and can not get rid of, attached to the membrane silk and the scale formation thing (hardness ion, silicon and organic matter) between the hole get rid of, but because the membrane is multilayer poroid structure, the membrane single chemical cleaning time of present stage is longer, and has the dead angle in the cleaning process, and some intractable scale formation thing and membrane inside pollutant all are difficult to thoroughly remove, lead to the membrane flux can't restore completely, make the ability decay of water. The conventional physical cleaning and chemical cleaning have no obvious effect, the transmembrane pressure difference is reduced and then the membrane is returned to the cleaning position in a short time, and a large amount of water is needed for washing during cleaning, so that the water resource waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a cleaning treatment system for a membrane assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cleaning treatment system for a membrane assembly comprises a box body, wherein three baffle plates are fixed on the inner wall of the box body, the box body is divided into a cleaning chamber, a water storage chamber positioned on one side of the cleaning chamber, an acid liquid chamber positioned on one side of the water storage chamber and an alkali liquid chamber positioned on one side of the acid liquid chamber by the baffle plates, the inner walls on two sides of the cleaning chamber are rotatably connected with a clamping mechanism through bearings, the clamping mechanism comprises a metal pipe, a connecting rod, a fixing plate, a sliding block, a bidirectional threaded rod and a crank, the connecting rod and the inner wall of the metal pipe form a sliding fit, the fixing plate is fixed at one end of the connecting rod, a sliding groove is formed on one side of the fixing plate, the inner wall of the sliding groove and the sliding block form a sliding fit, a threaded hole is formed in the sliding block, the inner wall of the threaded hole and the bidirectional threaded rod form a, a water inlet pipe is fixed on the inner walls of the two sides of the cleaning chamber on the upper side of the clamping mechanism, a water drain hole is arranged at the bottom of the water inlet pipe, the inner wall of the drainage hole is fixed with a high-pressure spray head, the water inlet pipe is connected with a cleaning pump through a guide pipe, the water inlet end of the cleaning pump is connected with a four-way electromagnetic valve through a mounting pipe, ultrasonic generators which are symmetrically distributed are fixed on the inner wall of the bottom of the cleaning chamber, the ultrasonic generator is connected with an energy converter through a lead, the bottom of the cleaning chamber is provided with a water outlet, and a three-way electromagnetic valve is fixed on the inner wall of the water outlet, one end of the three-way electromagnetic valve is connected with a PH tester through a connecting pipe, the PH tester is connected with a water pump through a rubber pipe, the inner walls at the two sides of the water storage chamber are fixed with support bars which are symmetrically distributed, and the top of the supporting bar is connected with a collecting box in a sliding way, the bottom of the collecting box is provided with a fixed port, and the inner wall of the fixed port is fixed with a filter screen.

Preferably, three way solenoid valve one end is connected with the circulating pump through first rubber tube, and the play water end of circulating pump is connected with the three-way valve through the second rubber tube, three-way valve one end is connected with the two-way valve through the third rubber tube, open sour liquid chamber bottom has the liquid outlet, and the liquid outlet is connected at the three-way valve top through first plastic tubing, open alkali liquor chamber bottom has the liquid hole, and goes out the liquid hole and connect at the two-way valve top through the second plastic tubing.

Preferably, the water storage chamber, the acid liquid chamber and the alkali liquid chamber are all provided with water outlets, the inner walls of the water outlets are fixedly provided with fixed pipes, and one ends of the fixed pipes are connected with the four-way electromagnetic valve.

Preferably, the top of the water storage chamber is provided with a mounting hole, and the inner wall of the mounting hole is connected with the water outlet end of the water suction pump through a fixed pipe.

Preferably, one side of the cleaning chamber is provided with an installation notch, and the inner walls of two sides of the installation notch are hinged with a box door through hinges.

Preferably, a screw hole is formed in the top of one end of the metal pipe, and the metal pipe and the connecting rod are in tight fit through a bolt.

The utility model has the advantages that:

1. the membrane component can be rapidly clamped and fixed through the metal pipe, the connecting rod, the fixing plate, the sliding block, the bidirectional threaded rod and the crank which are arranged on the clamping mechanism, and the angle of the membrane component is adjusted by driving of the servo motor, so that the membrane component is more convenient for the high-pressure spray head to spray water for washing; the cleaning efficiency is improved;

2. through supersonic generator and transducer, can utilize the ultrasonic wave to vibrate the washing when wasing, improve the cleaning efficiency, utilize scavenging pump and four-way solenoid valve to wash the indoor acidizing fluid and the leading-in acidizing fluid and the alkali lye of storage of acidizing fluid chamber and alkali lye one by one through chemical reaction's mode to the inside abluent impurity that is difficult to of membrane module simultaneously, make its clear cleaner, through suction pump, collecting box and filter screen, can collect the sewage after wasing and filter in recycle, improve water resource utilization.

Drawings

Fig. 1 is a schematic front sectional view of a cleaning system for a membrane module according to the present invention.

Fig. 2 is a schematic front structural view of a cleaning system for membrane modules according to the present invention.

Fig. 3 is a schematic view of a cross-sectional structure of a clamping mechanism of a cleaning system for a membrane module according to the present invention.

In the figure: the device comprises a box body 1, a baffle 2, a clamping mechanism 3, a servo motor 4, a metal tube 5, a connecting rod 6, a fixing plate 7, a sliding block 8, a two-way threaded rod 9, a crank 10, a water inlet pipe 11, a high-pressure spray head 12, a cleaning pump 13, a four-way electromagnetic valve 14, a three-way electromagnetic valve 15, a circulating pump 16, an ultrasonic generator 17, an energy converter 18, a PH tester 19, a water pump 20, a collecting box 21 and a filter screen 22.

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.

Referring to fig. 1-3, a cleaning treatment system for a membrane module comprises a box body 1, wherein three baffles 2 are fixed on the inner wall of the box body 1, the baffles 2 divide the box body 1 into a cleaning chamber, a water storage chamber positioned on one side of the cleaning chamber, an acid liquid chamber positioned on one side of the water storage chamber and an alkali liquid chamber positioned on one side of the acid liquid chamber, the inner walls on two sides of the cleaning chamber are rotatably connected with a clamping mechanism 3 through bearings, the clamping mechanism 3 comprises a metal tube 5, a connecting rod 6, a fixing plate 7, a sliding block 8, a bidirectional threaded rod 9 and a crank 10, the connecting rod 6 is in sliding fit with the inner wall of the metal tube 5, the fixing plate 7 is fixed at one end of the connecting rod 6, a sliding groove is formed on one side of the fixing plate 7, the inner wall of the sliding groove is in sliding fit with the sliding block 8, the sliding block 8 is provided with a threaded hole, the inner wall of the threaded hole is in threaded fit with the bidirectional threaded rod 9, the crank 10 is fixed at the top end of the bidirectional threaded rod 9, a servo motor 4 is fixed on the outer wall of the other side of the cleaning chamber, an output shaft of the servo motor 4 is fixed on the other side of the metal pipe 5 through a coupler, the membrane module can be rapidly clamped and fixed through the metal pipe 5, the connecting rod 6, the fixing plate 7, the sliding block 8, the bidirectional threaded rod 9 and the crank 10 which are arranged on the clamping mechanism 3, and the angle of the membrane module is adjusted by driving of the servo motor 4, so that the membrane module is more convenient for the high-pressure spray head 12 to spray water for washing; the cleaning efficiency is improved;

the inner walls of two sides of the cleaning chamber are positioned at the upper side of the clamping mechanism 3 and are fixed with a water inlet pipe 11, the bottom of the water inlet pipe 11 is provided with a water outlet hole, the inner wall of the water outlet hole is fixed with a high-pressure spray head 12, the water inlet pipe 11 is connected with a cleaning pump 13 through a guide pipe, the water inlet end of the cleaning pump 13 is connected with a four-way electromagnetic valve 14 through a mounting pipe, the inner wall of the bottom of the cleaning chamber is fixed with an ultrasonic generator 17 which is symmetrically distributed, the ultrasonic generator 17 is connected with a transducer 18 through a lead, the bottom of the cleaning chamber is provided with a water outlet, the inner wall of the water outlet is fixed with a three-way electromagnetic valve 15, one end of the three-way electromagnetic valve 15 is connected with a PH tester 19 through a connecting pipe, the PH tester 19 is connected with a water pump 20 through a rubber pipe, the inner walls of two sides of the water storage chamber are fixed with symmetrically distributed support bars, the top of the support bars are connected with a collection box 21 in a sliding manner, the bottom of the collection box 21 is provided with a fixed port, and the inner wall of the collection box is fixed with a filter screen 22, through the ultrasonic generator 17 and the transducer 18, ultrasonic waves can be used for vibration cleaning during cleaning, the cleaning efficiency is improved, meanwhile, the cleaning pump 13 and the four-way solenoid valve 14 are used for sequentially leading acid liquor and alkali liquor stored in an acid liquor chamber and an alkali liquor chamber into the membrane module to clean impurities which are difficult to clean in a chemical reaction mode, so that the membrane module is cleaner and cleaner, the water pump 20, the collecting box 21 and the filter screen 22 can be used for collecting and filtering cleaned sewage for recycling, and the water resource utilization rate is improved;

one end of the three-way electromagnetic valve 15 is connected with a circulating pump 16 through a first rubber pipe, the water outlet end of the circulating pump 16 is connected with a three-way valve through a second rubber pipe, one end of the three-way valve is connected with a two-way valve through a third rubber pipe, the bottom of the acid liquor chamber is provided with a liquid outlet, the liquid outlet is connected with the top of the three-way valve through a first plastic pipe, the bottom of the alkali liquor chamber is provided with a liquid outlet hole, the liquid outlet is connected with the top of the two-way valve through a second plastic pipe, water outlets are formed in the top of the water storage chamber, the top of the acid liquid chamber and the top of the alkali liquid chamber, and a fixed pipe is fixed on the inner wall of the water outlet, one end of the fixed pipe is connected with a four-way electromagnetic valve 14, the top of the water storage chamber is provided with a mounting hole, the inner wall of the mounting hole is connected with the water outlet end of the water pump 20 through a fixed pipe, one side of the cleaning chamber is provided with a mounting notch, and the inner walls of the two sides of the mounting notch are hinged with a box door 23 through hinges, the top of one end of the metal tube 5 is provided with a screw hole, and the metal tube 5 and the connecting rod 6 are tightly matched through bolts.

The working principle is as follows: placing a membrane element to be cleaned in a cleaning chamber, clamping and fixing the membrane element by using a clamping mechanism 3, allowing water pumped out of a water storage chamber by a cleaning pump 13 to enter the cleaning chamber to pre-flush the membrane element so as to remove an unstable scaling layer on the surface of the membrane element, discharging the membrane element into the cleaning chamber by a rear water suction pump 20 through a three-way electromagnetic valve 15, filtering by using a filter screen 22, collecting by using a collecting box 21, and injecting water into the cleaning chamber again after flushing is finished so as to soak the membrane element in flushing water; starting an ultrasonic generator to form an ultrasonic field in the flushing water, forming impact and scouring effects on the surface and the inner dirt layer of the membrane element by utilizing the cavitation effect of ultrasonic waves, stripping off the dirt layer on the surface and the inner dirt layer of the membrane element, discharging the flushing water, and then closing a flushing and cleaning pump 13; conveying chemical cleaning acid liquor to the membrane element through a cleaning pump 13, circulating chemical cleaning liquid to an acid liquor chamber by using a circulating pump 16, removing a residual stubborn inorganic matter scale layer inside the membrane element under the double actions of chemical acid cleaning and ultrasonic waves, and finally closing the cleaning pump 13; soaking the membrane element in chemical cleaning acid liquor, starting a water pump 20 to discharge the membrane element into a cleaning chamber after the soaking time is up, filtering the membrane element by using a filter screen 22, collecting the membrane element by using a collection box 21, starting a cleaning pump 13 to wash the membrane element at a large flow rate, simultaneously washing and discharging cleaning liquid in the cleaning chamber until the pH value of the discharged water is close to neutral, stopping washing and closing the cleaning pump 13; conveying chemical cleaning alkali liquor into the membrane element through a cleaning pump 13, recycling the chemical cleaning liquid to a cleaning water tank, removing a residual stubborn organic matter scale layer and oily pollutants in the membrane element under the dual actions of chemical alkali cleaning and ultrasonic waves, closing the cleaning pump 13, and then soaking the membrane element; after soaking, opening an automatic discharge control valve, starting a water pump 20 to discharge into a cleaning chamber, filtering by using a filter screen 22, collecting by using a collection box 21, starting a cleaning pump 13 to wash membrane elements at a large flow rate, simultaneously washing and discharging cleaning liquid in the cleaning chamber until the pH value of the discharged water is close to neutral, stopping washing and closing the cleaning pump 13; and (4) turning off the ultrasonic generator, turning on the water pump 20, emptying washing water in the cleaning chamber, and taking out the membrane element to finish cleaning.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cleaning treatment system of membrane module, includes box (1), its characterized in that, box (1) inner wall is fixed with three baffles (2), and baffle (2) separate box (1) for the purge chamber, be located the reservoir chamber of purge chamber one side, be located the sour liquid chamber of reservoir chamber one side and be located the alkali lye chamber of sour liquid chamber one side, purge chamber both sides inner wall rotates through the bearing and is connected with fixture (3), and fixture (3) include tubular metal resonator (5), connecting rod (6), fixed plate (7), slider (8), two-way threaded rod (9) and crank (10), connecting rod (6) and tubular metal resonator (5) inner wall form sliding fit, and fixed plate (7) are fixed in connecting rod (6) one end, open fixed plate (7) one side has the spout, and the spout inner wall forms sliding fit with slider (8), the cleaning device is characterized in that the sliding block (8) is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with the bidirectional threaded rod (9), the crank (10) is fixed at the top end of the bidirectional threaded rod (9), the outer wall of the other side of the cleaning chamber is fixed with the servo motor (4), the output shaft of the servo motor (4) is fixed at the other side of the metal pipe (5) through a coupler, the inner walls of the two sides of the cleaning chamber are positioned at the upper side of the clamping mechanism (3) and are fixed with a water inlet pipe (11), a drain hole is formed in the bottom of the water inlet pipe (11), a high-pressure spray head (12) is fixed on the inner wall of the drain hole, the water inlet pipe (11) is connected with a cleaning pump (13) through a guide pipe, the water inlet end of the cleaning pump (13) is connected with a four-way electromagnetic valve (14) through a mounting pipe, the inner wall of the bottom of the cleaning chamber is fixed with symmetrically distributed ultrasonic generators (17), and the ultrasonic generators (17) are connected with an energy converter (18) through a lead wire, the purge chamber bottom is opened there is the outlet, and the outlet inner wall is fixed with three way solenoid valve (15), three way solenoid valve (15) one end is connected with PH tester (19) through the connecting pipe, and PH tester (19) have suction pump (20) through the rubber tube connection, reservoir chamber both sides inner wall is fixed with the support bar of symmetric distribution, and support bar top sliding connection has collecting box (21), open collecting box (21) bottom has fixed mouthful, and the fixed mouthful inner wall is fixed with filter screen (22).

2. The cleaning treatment system for membrane assemblies according to claim 1, wherein one end of the three-way solenoid valve (15) is connected with the circulating pump (16) through a first rubber pipe, and the water outlet end of the circulating pump (16) is connected with a three-way valve through a second rubber pipe, one end of the three-way valve is connected with a two-way valve through a third rubber pipe, the acid liquid chamber is provided with a liquid outlet at the bottom, the liquid outlet is connected with the top of the three-way valve through a first plastic pipe, the alkali liquid chamber is provided with a liquid outlet at the bottom, and the liquid outlet is connected with the top of the two-way valve through a second plastic pipe.

3. The cleaning treatment system for the membrane assembly as claimed in claim 1, wherein the top of the water storage chamber, the top of the acid liquid chamber and the top of the alkali liquid chamber are all provided with water outlets, the inner wall of each water outlet is fixed with a fixed pipe, and one end of each fixed pipe is connected with the four-way solenoid valve (14).

4. The system for cleaning and treating membrane module according to claim 1, wherein the top of the water storage chamber is provided with a mounting hole, and the inner wall of the mounting hole is connected with the water outlet end of the water pump (20) through a fixed pipe.

5. The cleaning treatment system for membrane module according to claim 1, wherein the cleaning chamber has a mounting slot at one side, and the inner walls of the mounting slot at both sides are hinged with a door (23) through hinges.

6. The membrane module cleaning system according to claim 1, wherein a screw hole is formed at the top of one end of the metal tube (5), and the metal tube (5) and the connecting rod (6) are fastened and matched through a bolt.