CN210665006U - Fatigue test device of flexible filter tube - Google Patents
Fatigue test device of flexible filter tube Download PDFInfo
- Publication number
- CN210665006U CN210665006U CN201921474656.1U CN201921474656U CN210665006U CN 210665006 U CN210665006 U CN 210665006U CN 201921474656 U CN201921474656 U CN 201921474656U CN 210665006 U CN210665006 U CN 210665006U
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- filter tube
- sealing
- flexible filter
- inlet pipe
- sealing joint
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Abstract
The utility model relates to a testing device of a filter tube, in particular to a fatigue testing device of a flexible filter tube, which comprises a testing water tank, wherein the flexible filter tube is positioned in the testing water tank; the first sealing joint is hermetically arranged at one end of the flexible filter pipe; the second sealing joint is hermetically arranged at the other end of the flexible filter pipe; the non-Newtonian fluid is filled in the non-Newtonian fluid pool; one end of the liquid inlet pipe is hermetically connected with the first sealing joint; the water pump is respectively connected with the non-Newtonian fluid pool and the other end of the liquid inlet pipe in a sealing way; the first valve is arranged on the liquid inlet pipe; one end of the air inlet pipe is connected with the liquid inlet pipe; the second valve is arranged on the air inlet pipe; the first pressure gauge is arranged on the liquid inlet pipe or the first sealing joint; and the second pressure gauge is arranged on the second sealing joint. The device can be used for effectively carrying out fatigue test on the flexible filter tube, and the test result is accurate and reliable.
Description
Technical Field
The utility model relates to a testing arrangement of chimney filter, especially fatigue test device of flexible chimney filter.
Background
The flexible filter tube has little resistance to water or gas due to the large filter pore size of the flexible filter tube itself. There is no good test method for fatigue of the flexible filter tube.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a can be to the fatigue test device of the flexible chimney filter of the fatigue strength frequent test of flexible chimney filter, concrete technical scheme is:
the fatigue testing device for the flexible filter tube comprises a testing water tank, wherein the flexible filter tube is positioned in the testing water tank; the first sealing joint is arranged at one end of the flexible filter pipe in a sealing way; the second sealing joint is arranged at the other end of the flexible filter pipe in a sealing way; the non-Newtonian fluid pool is filled with non-Newtonian fluid; one end of the liquid inlet pipe is hermetically connected with the first sealing joint; the water pump is respectively connected with the non-Newtonian fluid pool and the other end of the liquid inlet pipe in a sealing way; the first valve is arranged on the liquid inlet pipe; one end of the air inlet pipe is connected with the liquid inlet pipe; a second valve mounted on the intake pipe; the first pressure gauge is arranged on the liquid inlet pipe or the first sealing joint; and the second pressure gauge is arranged on the second sealing joint.
By adopting the technical scheme, the non-Newtonian fluid is prepared by the thickening agent and the water, has dilatancy, and can ensure that the flexible filter tube works under a certain tension condition so as to simulate the fatigue strength test.
Preferably, the water pump is a variable frequency centrifugal pump or a peristaltic pump.
By adopting the technical scheme, the flow can be accurately adjusted by the variable-frequency centrifugal pump and the peristaltic pump, so that the flexible filter tube is ensured to be tested under constant tension, and the accuracy of a test result is ensured.
Preferably, one end of the first sealing joint is provided with a filter pipe joint, the filter pipe joint is provided with a plurality of sealing rings, each sealing ring in the plurality of sealing rings is located on the outer circular surface of the filter pipe joint, adjacent sealing rings in the plurality of sealing rings are arranged at intervals, and the flexible filter pipe is sleeved on the filter pipe joint in a sealing manner.
Through adopting above-mentioned technical scheme, a plurality of sealing rings can improve the leakproofness between flexible chimney filter and the chimney filter joint, prevent to reveal to guarantee the accuracy of test result.
Preferably, the filter tube connector further comprises a sealing snap ring sleeved on the flexible filter tube, wherein the sealing snap ring is configured to seal and fix the flexible filter tube on the filter tube connector.
The sealing snap ring is one or more of a hose clamp, a cable tie or a heat shrinkable tube.
By adopting the technical scheme, the hose clamp, the cable tie or the heat shrink tube is convenient to use.
Preferably, the structure of the second sealing joint is identical to that of the first sealing joint, and one end of the second sealing joint is provided with a third valve.
By adopting the technical scheme, the third valve facilitates flushing of the flexible filter tube after the test is completed.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a fatigue test device of flexible chimney filter can be effectual carries out fatigue test to flexible chimney filter, and the test result is accurate, reliable.
Drawings
FIG. 1 is a schematic diagram of a pressure testing device for flexible filter tubes;
fig. 2 is a schematic sectional view of the first sealing joint.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1, the fatigue testing device for the flexible filter tube comprises a testing water tank 1, wherein a flexible filter tube 2 is positioned in the testing water tank 1; a first sealing joint 31, wherein the first sealing joint 31 is arranged at one end of the flexible filter pipe 2; a second sealing joint 32, wherein the second sealing joint 32 is arranged at the other end of the flexible filter pipe 2; the non-Newtonian fluid pool 4 is filled with non-Newtonian fluid; the liquid inlet pipe 61, one end of the liquid inlet pipe 61 is connected with the first sealing joint 31; the water pump 5 is connected with the non-Newtonian fluid pool 4 and the other end of the liquid inlet pipe 61 respectively; the first valve 71, the first valve 71 is installed on the liquid inlet pipe 61; one end of the air inlet pipe 62 is connected with the liquid inlet pipe 61 through a three-way joint, and the other end of the air inlet pipe 62 is connected with a high-pressure air source; a second valve 72, the second valve 72 being mounted on the intake pipe 62; a third valve 73, the third valve 73 being connected to the second sealing joint 32; the first pressure gauge 81 is arranged on the liquid inlet pipe 61 or the first sealing joint 31; and a second pressure gauge 82, wherein the second pressure gauge 82 is arranged on the second sealing joint 32 or between the second sealing joint 32 and the third valve 73.
The one end of first sealing joint 31 is equipped with filter tube joint 311, be equipped with a plurality of sealing rings 312 on the filter tube joint 311, every sealing ring 312 in a plurality of sealing rings 312 all is located filter tube joint 311's excircle face, equal interval setting between the adjacent sealing ring 312 in a plurality of sealing rings 312, flexible filter tube seal cover is on filter tube joint 311. The sealing rings 312 can improve the sealing performance between the flexible filter pipe 2 and the filter pipe joint 311, prevent leakage, and ensure the accuracy of the test result.
A sealing snap ring is also included that fits over the flexible filter tube, the sealing snap ring being configured to sealingly secure the flexible filter tube to the filter tube joint 311. The sealing snap ring is one or more of a throat hoop, a cable tie or a heat-shrinkable tube 34. In the embodiment using the thermoplastic tube 34, the heat shrinkable tube 34 can effectively ensure the sealing performance between the flexible filter tube 2 and the filter tube connector 311.
The non-Newtonian fluid is formulated from a thickener and water. The non-Newtonian fluid has dilatancy, and can ensure that the flexible filter tube works under a certain tension condition so as to simulate a fatigue strength test.
During fatigue test, the first sealing joint 31 and the second sealing joint 32 are respectively fixed at two ends of the flexible filter pipe 2 in a sealing manner, and the flexible filter pipe 2 is placed in the test water tank 1. Closing the second valve 72 and the third valve 73, opening the first valve 71, starting the water pump 5, pressing the non-newtonian fluid with dilatancy (shear thickening) into the flexible filter tube 2 by the water pump 5 at a certain fixed flow rate, filtering the non-newtonian fluid through the flexible filter tube 2, and then discharging the non-newtonian fluid into the water tank, reading the pressure P1 of the first pressure gauge 81 and the pressure P2 of the second pressure gauge 82 after the first pressure gauge 81 and the second pressure gauge 82 are stabilized, and setting the filtering pressure of the flexible filter tube 2 to be P1-P2.
The water pump 5 adopts a variable frequency centrifugal pump or a peristaltic pump, the variable frequency centrifugal pump and the peristaltic pump can accurately adjust flow, and different working conditions can be simulated, so that the flexible filter tube is tested under constant tension, and the accuracy of a test result is ensured.
And adjusting the centrifugal pump, and slowly increasing the flow rate to increase the pressure difference between the inside and the outside of the flexible filter pipe 2 until the preset standard pressure-bearing pressure is reached. And keeping the standard pressure-bearing pressure, and operating the flexible filter pipe 2 for a standard working time under a certain tension condition to simulate fatigue failure.
After the above steps are completed, the flexible filter tube 2 and the test water tank 1 are cleaned, the third valve 73 is opened, and the first valve 71 is closed to clean the flexible filter tube 2. And after the cleaning is finished, adding clean water into the test water tank 1, and immersing the cleaned flexible filter tube 2 in the clean water. Then the first valve 71 and the third valve 73 are closed, the second valve 72 is opened, the air inlet pipe 62 is connected with a high-pressure air source, and high-pressure air is injected into the flexible filter pipe 2 through the air inlet pipe 62 until air bubbles penetrate through the pipe wall of the flexible filter pipe 2 and are separated out from the outer pipe wall. Checking the uniformity of the bubbles, and if no specific area has a large amount of bubbles, meeting the quality requirement.
Claims (6)
1. The fatigue testing device of the flexible filter tube is characterized by comprising
The flexible filter tube is positioned in the test water tank;
the first sealing joint is arranged at one end of the flexible filter pipe in a sealing way;
the second sealing joint is arranged at the other end of the flexible filter pipe in a sealing way;
the non-Newtonian fluid pool is filled with non-Newtonian fluid;
one end of the liquid inlet pipe is hermetically connected with the first sealing joint;
the water pump is respectively connected with the non-Newtonian fluid pool and the other end of the liquid inlet pipe in a sealing way;
the first valve is arranged on the liquid inlet pipe;
one end of the air inlet pipe is connected with the liquid inlet pipe;
a second valve mounted on the intake pipe;
the first pressure gauge is arranged on the liquid inlet pipe or the first sealing joint; and
and the second pressure gauge is arranged on the second sealing joint.
2. A fatigue testing device of a flexible filter tube according to claim 1,
the water pump is a variable frequency centrifugal pump or a peristaltic pump.
3. A fatigue testing device of a flexible filter tube according to claim 1,
the one end of first sealing joint is equipped with the filter tube and connects, be equipped with a plurality of sealing rings on the filter tube connects, every sealing ring in a plurality of sealing rings all is located the outer disc that the filter tube connects, all interval settings between the adjacent sealing ring in a plurality of sealing rings, flexible filter tube seal cover is on the filter tube connects.
4. A fatigue testing device of a flexible filter tube according to claim 3,
the flexible filter tube connector further comprises a sealing snap ring sleeved on the flexible filter tube, and the sealing snap ring is configured to seal and fix the flexible filter tube on the filter tube connector.
5. A fatigue testing device of a flexible filter tube according to claim 4,
the sealing snap ring is one or more of a hose clamp, a cable tie or a heat shrinkable tube.
6. A fatigue testing device of a flexible filter tube according to claim 3,
the structure of the second sealing joint is consistent with that of the first sealing joint, and a third valve is arranged at one end of the second sealing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921474656.1U CN210665006U (en) | 2019-09-05 | 2019-09-05 | Fatigue test device of flexible filter tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921474656.1U CN210665006U (en) | 2019-09-05 | 2019-09-05 | Fatigue test device of flexible filter tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210665006U true CN210665006U (en) | 2020-06-02 |
Family
ID=70818141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921474656.1U Active CN210665006U (en) | 2019-09-05 | 2019-09-05 | Fatigue test device of flexible filter tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210665006U (en) |
-
2019
- 2019-09-05 CN CN201921474656.1U patent/CN210665006U/en active Active
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