A high-efficiency filter cartridge integrity testing device

Abstract

This utility model discloses a high-efficiency filter element integrity testing device, relating to the field of filter element testing technology. The utility model includes a test tank, a recovery chamber, and a support block. A recovery pipe is fixedly connected to the center of the bottom of the test tank, and a recovery chamber is fixedly connected to the bottom end of the recovery pipe. A support block is fixedly fixed to the bottom of the test tank. Four rotating tubes are movably connected to the upper part of the support block. Each rotating tube has a movable ring fixed to its periphery. An air supply chamber is provided at one end of each of the four rotating tubes. A vertical partition is fixedly connected to the air supply chamber between adjacent rotating tubes. An air inlet pipe extends from the top of the test tank, and a bypass pipe is fixedly connected to the periphery of the air inlet pipe above the test tank. Handles are fixedly attached to the periphery of the rotating tubes between the support block and the air supply chamber in a circular array. This utility model, by setting up a test tank, a recovery chamber, and a support block, solves the problems of filter element integrity testing devices requiring manual contact with the filter element, which easily affects the test results, and the inconvenience of controlling the liquid level during testing.

Description

Technical Field

[0001] This utility model belongs to the field of filter element testing technology, and in particular relates to a high-efficiency filter element integrity testing device. Background Technology

[0002] The filter element integrity testing device is used to test the integrity of filter elements. Filter element structural integrity verification is used to determine the acceptability of the filter element for subsequent use or testing. Through continuous structural integrity testing, the initial bubble point can be determined to determine whether the filter element has been damaged during production and to determine the integrity of the filter element. However, it still has the following drawbacks in actual use: Air needs to be injected into the filter element to expel the liquid, and then pressure is applied to test its integrity. During this process, the filter element needs to be rotated to observe whether bubbles are appearing. When rotating the filter element under test, it is necessary to manually touch the filter element, which can easily affect the test results. Secondly, during operation, the filter element under test needs to be completely submerged in the liquid being tested. However, different filter elements have different diameters, and the required liquid level varies. Furthermore, the filter element under test needs to be removed during testing, making it inconvenient to control the liquid level of the testing device. Utility Model Content

[0003] The purpose of this invention is to provide a high-efficiency filter element integrity testing device. By setting up a test pool, a recovery chamber, and a support block, it solves the problems that the filter element integrity testing device requires manual contact with the filter element, which can easily affect the test results, and that it is not convenient to control the liquid level of the test device.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a high-efficiency filter cartridge integrity testing device, comprising a test tank, a recovery chamber, and a support block. A recovery pipe is fixedly connected to the center of the bottom of the test tank, and the bottom end of the recovery pipe is fixedly connected to the recovery chamber. A support block is fixedly located at the bottom of the test tank. Four rotating tubes are movably connected to the upper part of the support block. Each rotating tube has a movable ring fixed to its circumference, and the movable ring is movably connected within the support block. An air delivery chamber is located at one end of each of the four rotating tubes. Vertical partitions are fixedly connected within the air delivery chambers between adjacent rotating tubes. The top of each air delivery chamber is vertically fixed along its central axis. Four equally spaced air inlet pipes are connected, extending from the top of the test tank. A bypass pipe is fixedly connected to the periphery of the air inlet pipes above the test tank. The end of the bypass pipe away from the air inlet pipe extends into the test tank from a top-down view. A handle is fixed in a ring array around the rotating pipe between the support block and the air delivery chamber. During operation, the support block and the filter element under test are housed in the test tank, and the test liquid is contained in the test tank, immersing the test solution. During operation, the recovery chamber contains the test liquid in the test tank, and the support block movably connects the rotating pipe to it, delivering air to the filter element under test.

[0005] Furthermore, a delivery pipe is fixedly connected to the lower part of one end of the test pool, and a diaphragm pump is fixedly connected to the end of the delivery pipe away from the test pool. The input end of the diaphragm pump is fixedly connected to the lower part of one end of the recovery chamber. The delivery pipe on the test pool delivers the test liquid to the recovery chamber, and the diaphragm pump pumps the test liquid in the recovery chamber into the test pool.

[0006] Furthermore, a feeding pipe is fixedly connected to one side of the recovery chamber, and an electrically controlled valve is fixed to the periphery of both the recovery pipe and the feeding pipe. The feeding pipe delivers the test liquid into the recovery chamber to replenish the test liquid.

[0007] Furthermore, an inner sealing sleeve is fixed on the side of the gas delivery chamber near the support block, corresponding to the position of each rotating pipe. A rotating ring is fixed on the periphery of one end of the rotating pipe near the gas delivery chamber. The rotating ring is movably connected inside the sealing sleeve. The inner sealing sleeve and the rotating ring cooperate to connect the gas delivery chamber to the rotating pipe.

[0008] Furthermore, each of the rotating tubes is fixed with a mounting plate at the end away from the gas transmission chamber, and each mounting plate is fixed with a filter element to be tested at the end away from the rotating tube. The mounting plate on the rotating tube is installed together with the mounting flange on the filter element to be tested, thus installing the filter element to be tested and the rotating tube.

[0009] Furthermore, each of the bypass pipes has an electrically controlled pressure regulating valve fixed around the air inlet pipe above it. The end of the bypass pipe away from the air inlet pipe is fixedly connected to a barometer. The electrically controlled pressure regulating valve adjusts the pressure of the air entering the air delivery chamber.

[0010] This utility model has the following beneficial effects: This invention solves the problem of manually touching the filter element during filter integrity testing, which can easily affect test results, by setting up a test pool and a support block. After fully soaking the filter element, the electrically controlled pressure regulating valve on the air inlet pipe can be opened to deliver high-pressure air to the air delivery chamber, which then delivers it to the rotating tube and finally to the filter element under test. At this time, the air displaces the test liquid from the filter element. The pressure on the barometer is observed until it stabilizes. Then, the handle is turned to rotate the rotating tube, causing the filter element under test to rotate. Observe whether there are continuous strings of bubbles emerging from the filter element. This makes the filter integrity testing device more convenient to operate because it does not require manual contact with the filter element during testing and is less likely to affect the test results.

[0011] This invention solves the problem of inconvenient liquid level control in filter element integrity testing devices by setting up a test pool and a recovery chamber. After the filter element to be tested is installed on the end of the mounting plate on the rotating tube in the test pool, the diaphragm pump can be started. The diaphragm pump pumps the test liquid from the test pool into the test pool until the test liquid completely submerges the filter element to be tested, and then the integrity test of the filter element is performed. After the test, the solenoid valve on the recovery tube is opened, and the solenoid valve outputs the test liquid in the test pool to the recovery chamber for recovery. After completion, the solenoid valve is closed, and the filter element to be tested can be removed, making it more convenient to control the liquid level in the filter element integrity testing device. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a three-dimensional view of the partially cut-open structure of a high-efficiency filter element integrity testing device. Figure 2 A three-dimensional structural diagram of the test pool; Figure 3 This is a 3D structural diagram of the recycling bin; Figure 4 This is a three-dimensional view of the structure after the support block has been cut open. Figure 5 A three-dimensional view of the assembly structure of a high-efficiency filter element integrity testing device; Figure 6 for Figure 4 Enlarged view of the structure at point A in the image.

[0014] Figure label: 1. Test tank; 101. Delivery pipe; 102. Diaphragm pump; 2. Recovery chamber; 201. Recovery pipe; 202. Feeding pipe; 203. Electrically controlled valve; 3. Support block; 301. Rotating pipe; 302. Moving ring; 303. Handle; 304. Mounting plate; 305. Filter element under test; 306. Rotating ring; 307. Sealing sleeve; 308. Gas delivery chamber; 309. Partition plate; 310. Inlet pipe; 311. Bypass pipe; 312. Electrically controlled pressure regulating valve; 313. Barometer. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1

[0016] Please see Figure 1-5This utility model is a high-efficiency filter element integrity testing device, including a test tank 1, a recovery chamber 2, and a support block 3. A recovery pipe 201 is fixedly connected to the bottom center of the test tank 1. When the test tank 1 is in operation, the filter element 305 to be tested is contained in it, and the test liquid is also contained in it, immersing the filter element 305. The recovery pipe 201 transports the test liquid in the test tank 1 to the recovery chamber 2 for recovery. The bottom end of the recovery pipe 201 is fixedly connected to the recovery chamber 2, which contains the test liquid in the test tank 1. The test tank 1 has a support block 3 fixed at the bottom, which supports the rotating tubes 301. Four rotating tubes 301 are movably connected to the upper part of the support block 3. As the rotating tubes 301 rotate, they drive the connected filter element to rotate in the liquid being tested within the test tank 1. Each rotating tube 301 has a movable ring 302 fixed to its circumference, which is movably connected to the support block 3, thus restricting the position of the rotating tubes 301 and the support block 3 during operation. One end of each of the four rotating tubes 301 is equipped with a gas delivery chamber 30. 8. The air delivery chamber 308 delivers air to the rotating tube 301, and then to the filter element under test 305, discharging the test liquid from the filter element 305. A vertical partition 309 is fixedly connected inside the air delivery chamber 308 between adjacent rotating tubes 301, separating the adjacent rotating tubes 301. Four equally spaced air inlet pipes 310 are vertically fixedly connected to the top of the air delivery chamber 308 along its central axis. The top of each air inlet pipe 310 is connected to a device for delivering test air, thus delivering the test air to the air delivery chamber 308. Inside, the air inlet pipe 310 extends out of the top of the test pool 1, and a bypass pipe 311 is fixedly connected to the periphery of the air inlet pipe 310 above the test pool 1. The end of the bypass pipe 311 away from the air inlet pipe 310 extends into the test pool 1 from a top view. The bypass pipe 311 delivers air to the barometer 313. The rotating pipe 301 between the support block 3 and the air delivery chamber 308 has a handle 303 fixed in a ring array around its periphery. Rotating the handle 303 will drive the rotating pipe 301 to rotate, thereby driving the filter element 305 under test on the rotating pipe 301 to rotate.

[0017] Specifically, a delivery pipe 101 is fixedly connected to the lower part of one end of the test pool 1, and a diaphragm pump 102 is fixedly connected to the end of the delivery pipe 101 away from the test pool 1. The input end of the diaphragm pump 102 is fixedly connected to the lower part of one end of the recovery chamber 2. When the diaphragm pump 102 is working, it pumps the test liquid in the recovery chamber 2 into the delivery pipe 101, and then into the test pool 1.

[0018] Furthermore, a feeding pipe 202 is fixedly connected to one side of the recovery chamber 2. Both the recovery pipe 201 and the feeding pipe 202 are fixed with an electric control valve 203. When the recovery chamber 2 is in operation, the electric control valve 203 on the recovery pipe 201 is opened to transport the test liquid in the test pool 1 into the recovery chamber 2 through the recovery pipe 201. The end of the feeding pipe 202 away from the test pool 1 is connected to the equipment for replenishing test liquid. After the electric control valve 203 on the feeding pipe 202 is opened, the test liquid is transported into the recovery chamber 2.

[0019] The operation process of this embodiment is as follows: During operation, after the filter element 305 to be tested is installed on the end of the mounting plate 304 on the rotating tube 301 in the test pool 1, the diaphragm pump 102 can be started. The diaphragm pump 102 pumps the test liquid in the test pool 1 into the test pool 1 until the test liquid completely submerges the filter element 305 to be tested. After the test, the integrity test of the filter element 305 is performed. After the test, the solenoid valve 203 on the recovery tube 201 is opened. The solenoid valve 203 outputs the test liquid in the test pool 1 to the recovery chamber 2 for recovery. After the completion, the solenoid valve 203 is closed, and the filter element 305 to be tested can be removed. Specific Implementation Example 2

[0020] Please see Figure 1-6 Based on the first specific embodiment, an inner sealing sleeve 307 is fixed on the side of the gas delivery chamber 308 near the support block 3, corresponding to the position of each rotating pipe 301. A rotating ring 306 is fixed on the periphery of one end of the rotating pipe 301 near the gas delivery chamber 308. The rotating ring 306 is movably connected inside the sealing sleeve 307. When the gas delivery chamber 308 is working, the inner sealing sleeve 307 on it movably connects the rotating ring 306 therein. The gap between the rotating pipe 301 and the gas delivery chamber 308 is sealed by the cooperation of the rotating ring 306 and the sealing sleeve 307. The rotating pipe 301 can also rotate relative to the gas delivery chamber 308.

[0021] Specifically, each rotating tube 301 is fixed with a mounting plate 304 at the end away from the gas delivery chamber 308, and each mounting plate 304 is fixed with a filter element 305 to be tested at the end away from the rotating tube 301. When installing the filter element 305, the mounting flange on the filter element 305 is attached to the mounting plate 304, and the mounting flange and the mounting holes on the mounting plate 304 are aligned. The mounting bolt is then inserted, and after it extends out of the mounting plate 304, the mounting nut is screwed onto the mounting bolt. After tightening, the rotating tube 301 and the filter element 305 are installed and secured, and the rotating tube 301 and the filter element 305 are connected.

[0022] Furthermore, each bypass pipe 311 has an electrically controlled pressure regulating valve 312 fixed around the air inlet pipe 310 above it. The end of the bypass pipe 311 away from the air inlet pipe 310 is fixedly connected to a barometer 313. When the air inlet pipe 310 is working, the electrically controlled pressure regulating valve 312 on it controls the air pressure delivered by the air inlet pipe 310 to the air delivery chamber 308. The barometer 313 is set outside the test pool 1, and the bottom of the air compressor is supported on the ground. After the air delivered to the air delivery chamber 308 is delivered to the bypass pipe 311, it is delivered to the barometer 313. The barometer 313 measures the pressure in the filter element 305 under test.

[0023] The operation process of this embodiment is as follows: During operation, after aligning the mounting flange on the filter element 305 and the mounting holes on the mounting plate 304, insert the mounting bolts, extend them out of the mounting plate 304, and then screw the mounting nuts onto the mounting bolts. After tightening, secure the rotating tube 301 to the filter element 305, ensuring that the rotating tube 301 is connected to the filter element 305. After completion, start the diaphragm pump 102 to pump the test liquid into the test pool 1 until the test liquid submerges the filter element 305 and the liquid level is at least 1 cm above the filter element 305. After soaking for 5 minutes, open the electrically controlled pressure regulating valve 312 on the air inlet pipe 310 to deliver high-pressure air to the air delivery chamber 308 through the air inlet pipe 310. The air is fed into the rotating tube 301 and then into the filter element 305 under test. At this time, the air will expel the test liquid from the filter element 305. Observe the pressure on the barometer 313 until the pressure stabilizes. Then, turn the handle 303 to rotate the rotating tube 301, causing the filter element 305 to rotate. Observe whether there are continuous bubbles on the surface of the filter element 305 for more than 3 seconds. If there are continuous bubbles, it indicates that the filter element 305 is damaged. If not, open the electric pressure regulating valve 312 to control the air pressure in the filter element 305 to rise by 100 Pa. Then turn the handle 303 again and repeat the above test process until the required test pressure is reached to determine whether the filter element 305 is damaged. After completion, remove the bolts and nuts and the filter element 305 can be removed.

[0024] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0025] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-efficiency filter cartridge integrity testing device, comprising a test tank (1), a recovery chamber (2), and a support block (3), characterized in that: A recovery pipe (201) is fixedly connected to the center of the bottom of the test pool (1), and a recovery chamber (2) is fixedly connected to the bottom end of the recovery pipe (201). A support block (3) is fixedly fixed at the bottom of the test pool (1), and four rotating pipes (301) are movably connected to the upper part of the support block (3). Each rotating pipe (301) has a movable ring (302) fixed on its periphery. The movable ring (302) is movably connected to the support block (3). A gas delivery chamber (308) is provided at one end of each of the four rotating pipes (301), and a gas delivery chamber (308) is provided between adjacent rotating pipes (301). 08) A vertical partition (309) is fixed inside. The top of the gas delivery chamber (308) is vertically connected to four equally spaced air inlet pipes (310) along the central axis. The air inlet pipes (310) extend out of the top of the test pool (1), and a bypass pipe (311) is fixedly connected to the periphery of the air inlet pipes (310) above the test pool (1). The end of the bypass pipe (311) away from the air inlet pipe (310) extends out of the test pool (1) from the top view. The rotating pipe (301) between the support block (3) and the gas delivery chamber (308) is fixed with handles (303) in a ring array on its periphery.

2. The filter cartridge high-efficiency integrity testing device according to claim 1, characterized in that: The lower part of one end of the test pool (1) is fixedly connected to a conveying pipe (101), and the end of the conveying pipe (101) away from the test pool (1) is fixedly connected to a diaphragm pump (102). The input end of the diaphragm pump (102) is fixedly connected to the lower part of one end of the recovery bin (2).

3. The filter cartridge high-efficiency integrity testing device according to claim 1, characterized in that: A feeding pipe (202) is fixedly connected to one side of the recycling bin (2), and an electric control valve (203) is fixed to the periphery of both the recycling pipe (201) and the feeding pipe (202).

4. The filter cartridge high-efficiency integrity testing device according to claim 1, characterized in that: The gas delivery chamber (308) is fixed with an inner sealing sleeve (307) on the side near the support block (3) corresponding to the position of each rotating tube (301). A rotating ring (306) is fixed on the periphery of one end of the rotating tube (301) near the gas delivery chamber (308). The rotating ring (306) is movably connected inside the sealing sleeve (307).

5. The filter cartridge high-efficiency integrity testing device according to claim 1, characterized in that: Each of the rotating tubes (301) is fixed with a mounting plate (304) at the end away from the gas delivery chamber (308), and each of the mounting plates (304) is fixed with a filter element (305) to be tested at the end away from the rotating tube (301).

6. The high-efficiency integrity testing device for filter cartridges according to claim 1, characterized in that: Each bypass pipe (311) has an electrically controlled pressure regulating valve (312) fixed around the air inlet pipe (310) above it, and a barometer (313) is fixedly connected to the end of the bypass pipe (311) away from the air inlet pipe (310).

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