Curtain type ultrafiltration membrane assembly

Abstract

The utility model relates to the technical field of water quality filtration, and provides a curtain type ultrafiltration membrane assembly which comprises a mounting frame, a plurality of groups of ultrafiltration membranes are mounted in the mounting frame, a plurality of groups of aeration pipes are fixedly mounted in the lower end of the mounting frame, and a plurality of uniformly distributed air holes are formed in the peripheries of the aeration pipes. Straight rubber hoses are arranged on the two sides of the lower end of the mounting frame and located between the adjacent ultrafiltration membranes, filter screens are arranged on the straight rubber hoses, the movable ends of the filter screens are clamped to the movable ends of the straight rubber hoses, and the fixed ends of the filter screens are clamped to the inner wall of the lower end of the mounting frame; an air supply side pipe is installed in the side end of the installation frame and communicates with the multiple straight rubber hoses. According to the utility model, when the ultrafiltration membrane is cleaned, the straight rubber hose can drive the filter screen to unfold by inflating the straight rubber hose, the aerator pipe performs aeration to shake off condensed matters on the outer wall of the ultrafiltration membrane, and then the filter screen is taken down from the straight rubber hose to be cleaned independently, so that dirt can be collected in a centralized manner; and dirt is prevented from being deposited and accumulated in the filter tank, the ultrafiltration membrane cleaning process is simple and rapid, and the dirt treatment and cleaning efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to water quality filtration technical field especially relates to a curtain type ultrafiltration membrane assembly. BACKGROUND

[0002] The curtain type ultrafiltration membrane is a common ultrafiltration membrane assembly, which is mainly used for water treatment and liquid separation process.

[0003] The existing announcement number is CN220802665U, a curtain type ultrafiltration membrane assembly, it includes mould frame, be opened with two sliding slots on the mould frame, and two sliding slots are located at the both sides of mould frame respectively, be equipped with the spray frame between two sliding slots, and the both sides of spray frame are all installed with first motor, the output of first motor is connected with gear, and two gears are installed in the inside of two sliding slots respectively.

[0004] Although this device can effectively guide the water source into the spray frame through the water pump and the connecting pipe, and realize the comprehensive cleaning of the double sides of the ultrafiltration membrane through the two spray rods arranged on the both sides of the ultrafiltration membrane main body, and at the same time, the spray frame is driven to move along the sliding groove track by the first motor and the gear, so as to expand the cleaning range. However, since the curtain type ultrafiltration membrane is usually installed in the deep water pool, the whole device must be completely immersed in water to work normally. This means that the equipment needs to be taken out of the water after each use to complete the installation and power on and other preparation work, and the whole process is quite tedious and time-consuming, resulting in unsatisfactory cleaning efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem that in the prior art, the curtain type ultrafiltration membrane is usually installed in the deep water pool, and the whole device must be completely immersed in water to work normally, which means that the equipment needs to be taken out of the water after each use to complete the installation and power on and other preparation work, and the whole process is quite tedious and time-consuming, resulting in unsatisfactory cleaning efficiency.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a curtain type ultrafiltration membrane module, including the mounting frame, install multiple groups of ultrafiltration membranes in the mounting frame, the lower end fixed mounting of multiple groups of aeration pipes is arranged in the mounting frame, the aeration pipe periphery is provided with multiple evenly distributed air holes, the straight tube rubber hose is arranged between the adjacent ultrafiltration membranes on the both sides of the lower end of the mounting frame, the filter screen is provided on the straight tube rubber hose, the movable end of the filter screen is clamped on the movable end of the straight tube rubber hose, the fixed end of the filter screen is clamped on the inner wall of the lower end of the mounting frame, the air supply side pipe is installed in the side end of the mounting frame and is communicated with multiple filter screens, when filtering, the activity frequency of the dirt in the filtered water can be improved by aeration through the aeration pipe, and the lower dirt can move upwards, preventing the dirt from accumulating under the ultrafiltration membrane, thereby realizing the function of improving the filtering efficiency, when cleaning, the straight tube rubber hose can also drive the filter screen to expand by inflating the straight tube rubber hose, the coagulum on the outer wall of the ultrafiltration membrane is shaken off by aeration of the aeration pipe, and the filter screen can be taken off from the straight tube rubber hose and cleaned separately, the dirt can be collected, preventing the dirt from accumulating in the filter tank, the process of cleaning the ultrafiltration membrane is simple and fast, and the dirt treatment and cleaning efficiency are higher.

[0007] As a preferred embodiment, the side end of the mounting frame is provided with a gas supply main pipe, the gas supply main pipe is connected with an external gas supply device, a communication pipe is fixedly connected between the gas supply main pipe and the gas supply side pipe, and a gas valve is installed at the connection between the top of the gas supply side pipe and the communication pipe. By arranging the gas valve and the gas supply side pipe, the gas pressure in the gas valve can be used during backwashing, improving the convenience of the device.

[0008] As a preferred embodiment, the lower end of the mounting frame is fixedly connected with a vertical distribution pipe, and multiple groups of the aeration pipes are evenly arrayed at the side end of the distribution pipe. The distribution pipe is connected with the aeration pipes and the gas supply main pipe. By arranging the distribution pipe to supply gas to the aeration pipes, the aeration of the two ends of the aeration pipes is more uniform.

[0009] As a preferred embodiment, the gas supply main pipe is provided with two groups and is arranged at the two ends of the distribution pipe. The multiple aeration pipes can be uniformly supplied with gas, the bubbles are more uniformly distributed in the water, the filtering capacity of the ultrafiltration membrane is improved, and the cleaning efficiency during backwashing is improved.

[0010] As a preferred implementation form, the lower end of the installation frame is provided with an installation column corresponding to the connection of the ultrafiltration membrane, the installation column is clamped at the lower end of the ultrafiltration membrane, the upper end of the installation frame is provided with a water outlet installation pipe corresponding to the connection of the ultrafiltration membrane, the water outlet installation pipe is a through pipe, the water outlet installation pipe is clamped at the upper end of the ultrafiltration membrane, a small amount of negative pressure is provided in the water outlet installation pipe by an external negative pressure machine, so that the filtered water in the ultrafiltration membrane can be drawn out through the water outlet installation pipe, and the ultrafiltration membrane can be installed by cooperating the installation column and the water outlet installation pipe.

[0011] As a preferred implementation form, the inner wall of the installation frame is fixedly connected with a tension spring corresponding to the installation column and the water outlet installation pipe, and the upper and lower end of the ultrafiltration membrane is fixedly connected with a hook bracket, the tension spring and the hook bracket corresponding thereto are clamped with each other, so that the connection stability of the ultrafiltration membrane is improved, and the ultrafiltration membrane is prevented from falling off during use.

[0012] As a preferred implementation form, the installation column and the water outlet installation pipe are provided with sealing washers at the connection end portions, so that the connection sealing property of the ultrafiltration membrane is improved, and water is prevented from entering the inside of the ultrafiltration membrane through the connection.

[0013] As a preferred implementation form, the top of the installation frame is fixedly connected with two symmetrical hanging rings, and the bottom of the installation frame is fixedly connected with a foot support at the four corners, so that the device is hoisted through the hanging ring, and the device is supported through the foot support.

[0014] Compared with the prior art, the device has the following advantages and positive effects:

[0015] When the ultrafiltration membrane is cleaned, the straight tube rubber hose can drive the filter screen to expand by being inflated, the coagulum on the outer wall of the ultrafiltration membrane is shaken off through aeration of the aeration pipe, and then the filter screen can be taken off from the straight tube rubber hose and cleaned alone, so that the dirt can be collected, the dirt is prevented from being deposited and accumulated in the filter tank, the process of cleaning the ultrafiltration membrane is simple and fast, and the dirt treatment and cleaning efficiency are high.

[0016] When the device is filtered, the aeration pipe can be used for aeration to improve the activity frequency of the dirt in the filtered water, and the lower dirt can be moved upward, so that the dirt is prevented from being accumulated at the lower part of the ultrafiltration membrane, and the filtering efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A perspective structural schematic view of the curtain type ultrafiltration membrane assembly is provided in the utility model;

[0018] Figure 2 A partial structural schematic view of the curtain type ultrafiltration membrane assembly is provided in the utility model;

[0019] Figure 3The utility model provides a curtain type ultrafiltration membrane module Figure 1 Partial enlarged view of A in the middle

[0020] Figure 4 The utility model provides a curtain type ultrafiltration membrane module Figure 1 Connecting structure schematic view of C in the middle

[0021] Figure 5 The utility model provides a curtain type ultrafiltration membrane module Figure 2 Partial enlarged view of B in the middle

[0022] Legend:

[0023] 1, mounting frame, 2, foot prop, 3, ultrafiltration membrane, 4, aeration pipe, 5, distribution pipe, 6, tension spring, 7, mounting column, 8, water outlet mounting pipe, 9, filter screen, 10, straight cylinder rubber hose, 11, gas supply side pipe, 12, gas supply main pipe, 13, lifting ring, 14, communication pipe, 15, gas valve, 16, sealing washer, 17, hook frame Specific embodiments

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5The utility model provides a technical scheme: a curtain type ultrafiltration membrane module, including installation frame 1, install a plurality of groups of ultrafiltration membrane 3 in installation frame 1, the lower end of installation frame 1 is fixedly installed with a plurality of groups of aeration pipe 4, a plurality of evenly distributed air holes are set up in the outer periphery of aeration pipe 4, straight tube rubber hose 10 is set up between adjacent ultrafiltration membrane 3 on the both sides of the lower end of installation frame 1, and filter screen 9 is set up on straight tube rubber hose 10, the movable end of filter screen 9 is clamped on the movable end of straight tube rubber hose 10, and the fixed end of filter screen 9 is clamped on the inner wall of the lower end of installation frame 1, and the side end of installation frame 1 is fixedly connected with gas supply side pipe 11, which is communicated with a plurality of straight tube rubber hoses 10, when filtering, the activity frequency of dirt in filtered water can be improved by aeration of aeration pipe 4, and the lower dirt can move upwards, preventing dirt from accumulating under the ultrafiltration membrane 3, thereby realizing the function of improving filtering efficiency, when cleaning, the straight tube rubber hose 10 can drive filter screen 9 to expand by inflating the straight tube rubber hose 10, the coagulum on the outer wall of ultrafiltration membrane 3 is shaken off by aeration of aeration pipe 4, and filter screen 9 can be taken off from straight tube rubber hose 10 and cleaned separately, dirt can be collected, dirt is prevented from accumulating in the filter tank, the process of cleaning the ultrafiltration membrane 3 is simple and fast, and the cleaning efficiency of dirt treatment is higher.

[0026] As shown in Figures 1-5 The side end of installation frame 1 is provided with gas supply main pipe 12, the gas supply main pipe 12 is connected with external gas supply device, the gas supply main pipe 12 and gas supply side pipe 11 are fixedly connected with communication pipe 14, the top of gas supply side pipe 11 is provided with gas valve 15, the gas supply side pipe 11 is provided with gas valve 15, and the gas pressure in the gas valve 15 is utilized in backwashing process, so that the use convenience of the device is improved.

[0027] As shown in Figures 1-5 The lower end of installation frame 1 is fixedly connected with vertical distribution pipe 5, a plurality of groups of aeration pipe 4 are evenly arrayed at the side end of distribution pipe 5, the distribution pipe 5 is communicated with aeration pipe 4, and the distribution pipe 5 is communicated with gas supply main pipe 12, the distribution pipe 5 is provided for aeration pipe 4, so that the aeration of aeration pipe 4 is more uniform.

[0028] As shown in Figures 1-5 The gas supply main pipe 12 is provided with two groups and is arranged at the two ends of distribution pipe 5, a plurality of aeration pipes 4 can be uniformly aerated, the bubbles in water are more uniformly distributed, the filtering capacity of ultrafiltration membrane 3 is improved, and the cleaning efficiency during backwashing is improved.

[0029] As shown in Figures 1-5As shown, the lower end of the installation frame 1 is provided with an installation column 7 corresponding to the connection of the ultrafiltration membrane 3, the installation column 7 is clamped at the lower end of the ultrafiltration membrane 3, the upper end of the installation frame 1 is provided with a water outlet installation pipe 8 corresponding to the connection of the ultrafiltration membrane 3, the water outlet installation pipe 8 is a through pipe, the water outlet installation pipe 8 is clamped at the upper end of the ultrafiltration membrane 3, a small amount of negative pressure is provided in the water outlet installation pipe 8 by an external negative pressure machine, so that the filtered water in the ultrafiltration membrane 3 can be extracted through the water outlet installation pipe 8, and the installation column 7 and the water outlet installation pipe 8 can be used to install the ultrafiltration membrane 3.

[0030] As shown in Figures 1-5 The inner wall of the installation frame 1 is fixedly connected with a tension spring 6 corresponding to the installation column 7 and the water outlet installation pipe 8, the upper and lower ends of the ultrafiltration membrane 3 are fixedly connected with a hook bracket 17, the tension spring 6 and the hook bracket 17 at the corresponding position are mutually hooked and clamped, the connection stability of the ultrafiltration membrane 3 is improved, and the ultrafiltration membrane 3 is prevented from falling off during use.

[0031] As shown in Figures 1-5 The installation column 7 and the water outlet installation pipe 8 are provided with sealing washers 16 at the connection end portions, the connection sealing property with the ultrafiltration membrane 3 is improved, and water is prevented from entering the inside of the ultrafiltration membrane 3 through the connection.

[0032] As shown in Figures 1-5 The top of the installation frame 1 is fixedly connected with two symmetrical distribution lifting rings 13, the bottom end of the installation frame 1 is fixedly connected with foot props 2 at the four corners, the lifting ring 13 is provided to facilitate hoisting of the device, and the foot prop 2 is provided to support the device.

[0033] Working principle: when the ultrafiltration membrane 3 is cleaned, stop providing negative pressure to the water outlet installation pipe 8, open the air valve 15, so that the gas supply side pipe 11 and the gas supply main pipe 12 are communicated through the connecting pipe 14, the gas supply main pipe 12 is inflated, the distribution pipe 5 and the aeration pipe 4 cooperate to generate a large amount of bubbles in the water, in this process, the straight rubber hose 10 will also be inflated, the straight rubber hose 10 will be unfolded, the filter screen 9 will be unfolded, and the bubbles generated by the aeration of the aeration pipe 4 will shake off the agglomerates on the outer wall of the ultrafiltration membrane 3. After a period of aeration, the pollutants in the water are gravity precipitated, the filter screen 9 collects the sediment, and finally the filter screen 9 is taken off from the straight rubber hose 10 and cleaned separately. The pollutants can be concentrated and collected through the filter screen 9, the pollutants are prevented from being deposited and accumulated in the filter tank, the process of cleaning the ultrafiltration membrane 3 is simple and fast, and the cleaning efficiency of the pollutants is high.

[0034] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A curtain ultrafiltration membrane module, characterized by, The utility model provides a kind of ultrafiltration membrane installation frame, including installation frame (1), multiple groups of ultrafiltration membrane (3) are installed in the installation frame (1), multiple groups of aeration pipe (4) are fixedly installed in the lower end of the installation frame (1), multiple evenly distributed air holes are opened in the outer periphery of the aeration pipe (4), straight tube rubber hose (10) is arranged between adjacent ultrafiltration membrane (3) on the both sides of the lower end of the installation frame (1), filter screen (9) is arranged on the straight tube rubber hose (10), the movable end of the filter screen (9) is clamped on the movable end of the straight tube rubber hose (10), the fixed end of the filter screen (9) is clamped on the inner wall of the lower end of the installation frame (1), air supply side pipe (11) is installed in the side end of the installation frame (1) for communicating multiple straight tube rubber hoses (10).

2. A curtain ultrafiltration membrane module according to claim 1, characterized in that: Air supply main pipe (12) is installed in the side end of the installation frame (1), the air supply main pipe (12) is connected with external air supply device, communication pipe (14) is fixedly connected between the air supply side pipe (11) and the air supply main pipe (12), air valve (15) is installed at the connection between the top of the air supply side pipe (11) and the communication pipe (14).

3. A curtain ultrafiltration membrane module according to claim 1, characterized in that: Vertical distribution pipe (5) is fixedly connected in the lower end of the installation frame (1), multiple groups of aeration pipe (4) are evenly arrayed in the side end of the distribution pipe (5), the distribution pipe (5) is connected with the aeration pipe (4), and the distribution pipe (5) is communicated with the air supply main pipe (12).

4. A curtain ultrafiltration membrane module according to claim 2, characterized in that: The air supply main pipe (12) is provided with two groups, and is arranged at both ends of the distribution pipe (5).

5. The curtain ultrafiltration membrane module according to claim 1, wherein: Mounting column (7) is arranged at the connection of the lower end of the ultrafiltration membrane (3) in the lower end of the installation frame (1), the mounting column (7) is clamped at the connection of the lower end of the ultrafiltration membrane (3), water outlet mounting pipe (8) is arranged at the connection of the upper end of the ultrafiltration membrane (3) in the upper end of the installation frame (1), the water outlet mounting pipe (8) is a through pipe, and the water outlet mounting pipe (8) is clamped at the connection of the upper end of the ultrafiltration membrane (3).

6. A curtain ultrafiltration membrane module according to claim 1, characterized in that: Tension spring (6) is fixedly connected at the mounting column (7) and the water outlet mounting pipe (8) of the inner wall of the installation frame (1), hook bracket (17) is fixedly connected at the upper and lower ends of the ultrafiltration membrane (3), and the tension spring (6) and the corresponding hook bracket (17) are mutually hooked and clamped.

7. A curtain ultrafiltration membrane module according to claim 6, characterized in that: Sealing washer (16) is arranged at the connection end of the mounting column (7) and the water outlet mounting pipe (8).

8. A curtain ultrafiltration membrane module according to claim 1, characterized in that: Two symmetrically distributed lifting rings (13) are fixedly connected at the top of the installation frame (1), and foot props (2) are fixedly connected at the four corners of the bottom end of the installation frame (1).

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