Tubular ultrafiltration membrane detection device

By designing a tubular ultrafiltration membrane detection device with a multi-layer sealing rubber sleeve and a hard tube structure, the problem of low detection efficiency in the existing technology is solved, and efficient detection of tubular ultrafiltration membranes of different diameters and lengths is achieved, thereby improving detection accuracy and efficiency.

CN223417063UActive Publication Date: 2025-10-10WUXI FULISI ENVIRONMENTAL PROTECTION EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422871617.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-10
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

Existing tubular ultrafiltration membrane detection devices lack adaptability to different tube diameters and lengths, resulting in low detection efficiency and inadequate resource utilization.

Method used

A tubular ultrafiltration membrane detection device was designed, which adopted a multi-layer sealing rubber sleeve and a hard tube structure. It can adapt to tubular ultrafiltration membranes of different diameters and lengths. It was combined with an air pump and a pressure sensor for pressure monitoring to ensure the sealing and accuracy of the detection process.

Benefits of technology

It achieves efficient detection of tubular ultrafiltration membranes of different diameters and lengths, improves detection efficiency and device utilization, and can accurately detect tiny leaks.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223417063U_ABST
    Figure CN223417063U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of equipment inspection tools, in particular to a tubular ultrafiltration membrane detection device which comprises a base, a plurality of supporting arc plates are fixedly connected to the upper surface of the base, a first sealing plate is fixedly connected to the upper surfaces of the supporting arc plates, and a first sealing rubber sleeve is fixedly connected to the upper surface of the first sealing plate. When the device is used, the sealing plug is used for blocking the water producing port, the tubular ultrafiltration membrane is moved downwards until the water outlet at the bottom end is clamped into the clamping groove in the first sealing rubber sleeve, the tubular ultrafiltration membrane to be tested is vertically clamped into the fixed soft rubber sleeve, the hard tube is held to enable the second sealing rubber sleeve to be aligned with the tubular ultrafiltration membrane to be clamped in, and the air pump is started; gas is pressed into the hose, flows into the hard tube and finally enters the tubular ultrafiltration membrane, when the pressure rises to a proper degree, inflation is stopped, the pressure attenuation value starts to be monitored, the first sealing rubber sleeve and the second sealing rubber sleeve are provided with multiple layers of clamping grooves, meanwhile, the second sealing rubber sleeve can move, and therefore the effect of adapting to tubular ultrafiltration membranes with different pipe diameters and lengths is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of equipment inspection tools, in particular to a tubular ultrafiltration membrane detection device. Background Art

[0002] The tubular ultrafiltration membrane testing device is a type of equipment or instrument combination specially used to test, evaluate and analyze the various performance indicators of tubular ultrafiltration membranes. Its purpose is to accurately measure the characteristics of tubular ultrafiltration membranes in different aspects to ensure that their quality and performance meet the expected application requirements. The airtightness test of tubular ultrafiltration membranes is an important link to ensure that they can effectively play their filtering function and prevent leakage in actual applications. The principle of the pressure decay method is to build a relatively closed system with the tubular ultrafiltration membrane and its connected inlet and outlet pipes. A certain pressure of gas or liquid is applied to the system, and then the pressure source is turned off. The pressure change in the system is monitored over a period of time. If the membrane is airtight, the pressure in the system should remain relatively stable or within the allowable decay range. If there is a leak in the membrane, the gas or liquid will seep out through the leak, causing the pressure in the system to drop significantly. By analyzing data such as the pressure decay curve, the airtightness of the membrane can be accurately judged. This detection method has high detection accuracy and can effectively detect tiny leaks, but the operation is relatively complicated and requires the use of corresponding pressure monitoring equipment (such as pressure sensors, pressure gauges, etc.), which has high requirements for the sealing of the system.

[0003] However, the existing tubular ultrafiltration membrane detection devices lack the function of detecting tubular ultrafiltration membranes of different diameters and lengths. Single detection is not only inefficient, but also has low device utilization and insufficient resource utilization. Utility Model Content

[0004] The purpose of the present utility model is to provide a tubular ultrafiltration membrane detection device to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A tubular ultrafiltration membrane detection device comprises a base, wherein a plurality of supporting arc plates are fixedly connected to the upper surface of the base, a sealing plate 1 is fixedly connected to the upper surface of the supporting arc plates, a sealing rubber sleeve 1 is fixedly connected to the upper surface of the sealing plate 1, a tubular ultrafiltration membrane is clamped inside the sealing rubber sleeve 1, a sealing rubber sleeve 2 is clamped on the top of the tubular ultrafiltration membrane, a sealing rubber sleeve 2 is fixedly connected to the top of the sealing rubber sleeve 2, a hard tube is connected to the top of the sealing plate 2, a hose is connected to the end of the hard tube away from the sealing plate 2, and an air pump is fixedly connected to the end of the hose away from the tubular ultrafiltration membrane.

[0007] Preferably, the lower surface of the hard tube is connected to a plurality of short tubes 1, and one end of the short tube 1 away from the hard tube is fixedly connected to a sealing plate 2.

[0008] Preferably, the bottom of the sealing plate 1 is connected to a short tube 2, and the bottom of the short tube 2 is fixedly connected to a pressure sensor.

[0009] Preferably, a fixed soft rubber sleeve is slidably connected to the outer surface of the tubular ultrafiltration membrane, and one end of the fixed soft rubber sleeve away from the tubular ultrafiltration membrane is fixedly connected to a vertical plate.

[0010] Preferably, the bottom of the vertical plate is fixedly connected to a base plate, and the bottom of the base plate is rotatably connected to a pulley.

[0011] Preferably, the outer surface of the tubular ultrafiltration membrane away from the fixed soft rubber sleeve is fixedly connected with a plurality of water outlets, and the inner wall of the water outlet is slidably connected with a sealing plug.

[0012] Preferably, a plurality of support rods are fixedly connected to the top of the air pump, a pressure regulator is fixedly connected to the top of the support rods, and a control panel is fixedly connected to the upper surface of the base close to the air pump.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The tubular ultrafiltration membrane detection device is provided with a sealing rubber sleeve 1, a sealing rubber sleeve 2 and a hard tube. When in use, a sealing plug is used to block the water outlet, and the tubular ultrafiltration membrane is moved downward until the bottom water outlet is inserted into the slot inside the sealing rubber sleeve 1. The tubular ultrafiltration membrane to be tested is vertically inserted into the fixed soft rubber sleeve. The hard tube is held so that the sealing rubber sleeve 2 is aligned with the tubular ultrafiltration membrane and inserted. The air pump is started, and the gas is pressed into the hose and flows into the hard tube, and finally enters the inside of the tubular ultrafiltration membrane. When the pressure rises to an appropriate level, the inflation is stopped and the pressure decay value is monitored. The sealing rubber sleeve 1 and the sealing rubber sleeve 2 have multiple layers of slots, and the position of the sealing rubber sleeve 2 is movable, thereby achieving the effect of adapting to tubular ultrafiltration membranes of different diameters and lengths.

[0015] The tubular ultrafiltration membrane detection device is provided with a fixed soft rubber sleeve, a sealing rubber sleeve 1, a sealing rubber sleeve 2 and a hard tube. When in use, the tubular ultrafiltration membrane is fixed by the fixed soft rubber sleeve and will not move during the detection process. In addition, the device can detect multiple tubular ultrafiltration membranes at the same time, thereby achieving the effect of improving detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 Schematic diagram of the disassembly of sealing plate 1 and sealing plate 2 of the present invention;

[0019] Figure 4This is a schematic diagram of the disassembly of the sealing rubber sleeve 2 and the tubular ultrafiltration membrane body of the utility model.

[0020] In the figure: 1. Base; 2. Support arc plate; 3. Sealing plate 1; 4. Sealing rubber sleeve 1; 5. Tubular ultrafiltration membrane body; 6. Sealing rubber sleeve 2; 7. Sealing plate 2; 8. Hard pipe; 9. Hose; 10. Air pump; 11. Short pipe 1; 12. Short pipe 2; 13. Pressure sensor; 14. Fixed soft rubber sleeve; 15. Vertical plate; 16. Control panel; 17. Pulley; 18. Water outlet; 19. Sealing plug; 20. Support rod; 21. Pressure regulator. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-4 A tubular ultrafiltration membrane detection device provided by the present disclosure may include a base 1, a supporting arc plate 2 is fixedly connected to the upper surface of the base 1, a sealing plate 3 is fixedly connected to the upper surface of the supporting arc plate 2, a sealing rubber sleeve 4 is fixedly connected to the upper surface of the sealing plate 3, a tubular ultrafiltration membrane body 5 is clamped inside the sealing rubber sleeve 4, a sealing rubber sleeve 2 6 is clamped on the top of the tubular ultrafiltration membrane body 5, a sealing plate 2 7 is fixedly connected to the top of the sealing rubber sleeve 26, a hard tube 8 is connected to the top of the sealing plate 27, and a hose 9 is connected to the end of the hard tube 8 away from the sealing plate 27, and an air pump 10 is fixedly connected to the end of the hose 9 away from the tubular ultrafiltration membrane body 5.

[0023] When in use, use the sealing plug 19 to block the water outlet 18, move the tubular ultrafiltration membrane body 5 downward until the water outlet at the bottom is inserted into the slot inside the sealing rubber sleeve 1 4, and vertically insert the tubular ultrafiltration membrane body 5 to be tested into the fixed soft rubber sleeve 14. Hold the hard tube 8 so that the sealing rubber sleeve 2 6 is aligned with the tubular ultrafiltration membrane body 5 and inserted. Start the air pump 10, and the gas is pressed into the hose 9 and flows into the hard tube 8, and finally enters the inside of the tubular ultrafiltration membrane body 5. When the pressure rises to an appropriate level, stop inflating and start monitoring the pressure decay value.

[0024] like Figure 1As shown, in this exemplary embodiment, the sealing rubber sleeve 1 4 and the sealing rubber sleeve 2 6 have multi-layer card grooves, which can adapt to tubular ultrafiltration membrane bodies 5 of different calibers. At the same time, the sealing rubber sleeve shape fits the end protrusion of the tubular ultrafiltration membrane body 5, which can ensure that during the detection process, the tubular ultrafiltration membrane body 5 is a closed system. The hard tube 8 is connected to the soft tube 9, and the position of the hard tube 8 can be changed. Therefore, this device can detect tubular ultrafiltration membrane bodies 5 of different lengths.

[0025] It should be understood that in this exemplary embodiment, the adjustment accuracy is generally between the self-powered type and the electric type, and the control panel 16 can be adjusted to quickly adapt to changes in the inlet pressure.

[0026] like Figure 1 As shown, in the exemplary embodiment, the lower surface of the hard tube 8 is connected to a plurality of short tubes 11 , and one end of the short tube 11 away from the hard tube 8 is fixedly connected to a sealing plate 2 7 .

[0027] Specifically, the tubular ultrafiltration membrane body 5 to be tested is vertically inserted into the fixed soft rubber sleeve 14, the hard tube 8 is held so that the sealing rubber sleeve 6 is aligned with the tubular ultrafiltration membrane body 5 and inserted, and the air pump 10 is started. The gas is pressed into the hose 9 and flows into the hard tube 8, and finally enters the interior of the tubular ultrafiltration membrane body 5.

[0028] It can be understood that the top of the sealing plate 7 is fixedly connected to the sealing rubber sleeve 6, and the displacement of the short tube can drive the displacement of the above two, so the device can adapt to tubular ultrafiltration membrane bodies 5 of different lengths.

[0029] like Figure 1 As shown, in an exemplary embodiment, the bottom of the sealing plate 1 3 is connected to the short tube 2 12 , and the bottom of the short tube 2 12 is fixedly connected to the pressure sensor 13 .

[0030] Specifically, the gas is pressed into the hose 9 and flows into the hard tube 8, and finally enters the interior of the tubular ultrafiltration membrane body 5. When the pressure rises to an appropriate level, inflation is stopped and the pressure decay value is monitored. If there is a slight leak in the tubular ultrafiltration membrane body 5, the problem can be discovered by comparing the data transmitted by the pressure sensor 13.

[0031] It can be understood that, in addition, the pressure sensor 13 here has high precision, generally reaching 0.1% - 1% full scale accuracy, and can accurately measure small pressure changes, which is very important for detecting whether there are small leaks in the tubular ultrafiltration membrane body 5. It has a fast response speed and can quickly reflect the pressure changes in real time.

[0032] like Figure 1 As shown, in the exemplary embodiment, a fixed soft rubber sleeve 14 is slidably connected to the outer surface of the tubular ultrafiltration membrane body 5 , and a vertical plate 15 is fixedly connected to one end of the fixed soft rubber sleeve 14 away from the tubular ultrafiltration membrane body 5 .

[0033] Specifically, during the detection process, the tubular ultrafiltration membrane body 5 may shake, and the fixed soft rubber sleeve 14 is used to simply fix it, which can facilitate taking and placing and fix the object to be detected.

[0034] like Figure 1 As shown, in an exemplary embodiment, the bottom of the vertical plate 15 is fixedly connected to the base 1, and the bottom of the base 1 is rotatably connected to the pulley 17.

[0035] Specifically, when the device needs to be moved, the pulley 17 can be used to push the device.

[0036] It is understandable that the actual application process is varied, so a movable detection device is very necessary.

[0037] like Figure 2 As shown, in an exemplary embodiment, a plurality of water outlets 18 are fixedly connected to the outer surface of the tubular ultrafiltration membrane body 5 away from the fixed soft rubber sleeve 14 , and a sealing plug 19 is slidably connected to the inner wall of the water outlet 18 .

[0038] Specifically, when in use, the sealing plug 19 is used to block the water outlet 18, which can ensure the internal sealing of the tubular ultrafiltration membrane body 5 and ensure that the detection device can accurately determine whether the tubular ultrafiltration membrane body 5 is qualified.

[0039] It can be understood that the connection between the valve and the pipeline, the interference fit connection between pipelines of different diameters, etc. of this device are all provided with a double-layer sealing structure.

[0040] like Figure 1 As shown, in an exemplary embodiment, a plurality of support rods 20 are fixedly connected to the top of the air pump 10 , a pressure regulator 21 is fixedly connected to the top of the support rods 20 , and a control panel 16 is fixedly connected to the upper surface of the base 1 near the air pump 10 .

[0041] Specifically, the pressure regulator 21 here is a pneumatic pressure regulator 21. The pneumatic pressure regulator 21 uses compressed air as a power source to drive the regulating mechanism to achieve pressure regulation. The regulation accuracy is generally between the self-powered type and the electric type, and can usually reach a regulation accuracy range of ±0.5% - ±2%. The response speed is relatively fast, and it can quickly adapt to changes in the inlet pressure for regulation.

[0042] It can be understood that the control panel 16 is connected to the air pump 10 and the pressure regulator 21 through existing technology, and can control both, making operation convenient.

[0043] Working principle: When using a tubular ultrafiltration membrane detection device of this embodiment, the water outlet 18 is blocked with a sealing plug 19, and the tubular ultrafiltration membrane body 5 is moved down until the water outlet at the bottom end is stuck in the slot inside the sealing rubber sleeve 14, and the tubular ultrafiltration membrane body 5 to be tested is vertically stuck in the fixed soft rubber sleeve 14, and the hard tube 8 is held so that the sealing rubber sleeve 2 6 is aligned with the tubular ultrafiltration membrane body 5 and stuck in, and the air pump 10 is started, and the gas is pressed into the hose 9 and flows into the hard tube 8, and finally enters the inside of the tubular ultrafiltration membrane body 5. When the pressure rises to an appropriate level, the inflation is stopped and the pressure attenuation value is monitored. The sealing rubber sleeve 1 4 and the sealing rubber sleeve 2 6 have multiple layers of slots, and the position of the sealing rubber sleeve 2 6 can be moved, so as to achieve the effect of adapting to tubular ultrafiltration membrane bodies 5 of different diameters and lengths.

[0044] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A tubular ultrafiltration membrane detection device, characterized in that: The invention comprises a base (1), wherein the upper surface of the base (1) is fixedly connected to a plurality of supporting arc plates (2), the upper surface of the supporting arc plates (2) is fixedly connected to a sealing plate (3), the upper surface of the sealing plate (3) is fixedly connected to a sealing rubber sleeve (4), the inner portion of the sealing rubber sleeve (4) is clamped with a tubular ultrafiltration membrane body (5), the top of the tubular ultrafiltration membrane body (5) is clamped with a sealing rubber sleeve (6), the top of the sealing rubber sleeve (6) is fixedly connected to a sealing plate (7), the top of the sealing plate (7) is connected to a hard tube (8), the end of the hard tube (8) away from the sealing plate (7) is connected to a hose (9), and the end of the hose (9) away from the tubular ultrafiltration membrane body (5) is fixedly connected to an air pump (10).

2. A tubular ultrafiltration membrane detection device according to claim 1, characterized in that: The lower surface of the hard tube (8) is connected to a plurality of short tubes (11), and one end of the short tube (11) away from the hard tube (8) is fixedly connected to a sealing plate (7).

3. The tubular ultrafiltration membrane detection device according to claim 1, characterized in that: The bottom of the sealing plate 1 (3) is connected to a short tube 2 (12), and the bottom of the short tube 2 (12) is fixedly connected to a pressure sensor (13).

4. The tubular ultrafiltration membrane detection device according to claim 1, characterized in that: The outer surface of the tubular ultrafiltration membrane body (5) is slidably connected to a fixed soft rubber sleeve (14), and one end of the fixed soft rubber sleeve (14) away from the tubular ultrafiltration membrane body (5) is fixedly connected to a vertical plate (15).

5. The tubular ultrafiltration membrane detection device according to claim 4, characterized in that: The bottom of the vertical plate (15) is fixedly connected to a base (1), and the bottom of the base (1) is rotatably connected to a pulley (17).

6. The tubular ultrafiltration membrane detection device according to claim 1, characterized in that: The outer surface of the tubular ultrafiltration membrane body (5) away from the fixed soft rubber sleeve (14) is fixedly connected to a plurality of water outlets (18), and the inner wall of the water outlet (18) is slidably connected to a sealing plug (19).

7. The tubular ultrafiltration membrane detection device according to claim 1, characterized in that: A plurality of support rods (20) are fixedly connected to the top of the air pump (10), a pressure regulator (21) is fixedly connected to the top of the support rods (20), and a control panel (16) is fixedly connected to the upper surface of the base (1) close to the air pump (10).