CN220270302U - Test device for judging abrasion degree of conveying pipe - Google Patents
Test device for judging abrasion degree of conveying pipe Download PDFInfo
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- CN220270302U CN220270302U CN202321640895.6U CN202321640895U CN220270302U CN 220270302 U CN220270302 U CN 220270302U CN 202321640895 U CN202321640895 U CN 202321640895U CN 220270302 U CN220270302 U CN 220270302U
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- pipeline
- tested
- storage tank
- pressure
- measuring section
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- 238000012360 testing method Methods 0.000 title claims abstract description 54
- 238000005299 abrasion Methods 0.000 title claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 40
- 239000013618 particulate matter Substances 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 12
- 239000012159 carrier gas Substances 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 23
- 238000009776 industrial production Methods 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 238000005243 fluidization Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 235000012255 calcium oxide Nutrition 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Air Transport Of Granular Materials (AREA)
Abstract
The utility model provides a testing device for judging the abrasion degree of a conveying pipe, which comprises a pipeline to be tested, a high-pressure air source for providing high-pressure carrier air, a storage tank for providing particles, a collection tank for collecting the high-pressure carrier air and the particles, and a measuring ruler for measuring the wall thickness of the test pipe to be tested, wherein the high-pressure air source and the storage tank are both communicated with one end of the test pipe to be tested, the other end of the pipeline to be tested is communicated with the collection tank, the high-pressure air source is arranged at the end part of one end of the pipeline to be tested, and an interface position of the storage tank communicated with the test pipe to be tested is positioned between the high-pressure air source and the collection tank. The testing device provided by the utility model can determine the abrasion degree of the inner wall of the pipeline to be tested, so that the service life of the pipeline to be tested is determined, and data support is provided for industrial production.
Description
Technical Field
The utility model relates to a technology for measuring the abrasion degree of a conveying pipe, in particular to a testing device for judging the abrasion degree of the conveying pipe.
Background
Oxygen injection is needed for decarburization in converter smelting, lime powder injection is needed for dephosphorization, in the prior art, a laboratory proposes to use oxygen as carrier gas for top-blowing lime powder, and because oxygen is high-pressure gas, the high-pressure oxygen carries granular lime powder to rub with the inner wall of a pipeline so as to abrade the inner wall of the pipeline, and particularly the abrasion degree of a turning part of the pipeline is serious, once the pipeline is broken down by the high-pressure gas, serious safety problems can be caused.
In order to determine the safety of high pressure gas as carrier gas in industrial applications, it is highly desirable to determine the service life of the pipeline.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a testing device for judging the abrasion degree of a conveying pipe so as to determine the service life of the pipeline and provide data support for industrial production.
The utility model is realized in the following way:
the utility model provides a testing device for judging the abrasion degree of a conveying pipe, which comprises a pipeline to be tested, a high-pressure air source for providing high-pressure carrier air, a storage tank for providing particles, a collection tank for collecting the high-pressure carrier air and the particles, and a measuring ruler for measuring the wall thickness of the test pipe to be tested, wherein the high-pressure air source and the storage tank are both communicated with one end of the test pipe to be tested, the other end of the pipeline to be tested is communicated with the collection tank, the high-pressure air source is arranged at the end part of one end of the pipeline to be tested, and an interface position of the storage tank communicated with the test pipe to be tested is positioned between the high-pressure air source and the collection tank.
Further, the test tube to be tested comprises a first measuring section and a second measuring section, wherein the first measuring section is communicated with the second measuring section, and a certain included angle is formed between the first measuring section and the second measuring section.
Further, the testing device for judging the abrasion degree of the conveying pipe further comprises a bending joint, the first measuring section is communicated with the second measuring section through the bending joint, and the first measuring section and the second measuring section are detachably connected with the bending joint.
Further, the testing device further comprises a controller, a temperature sensor for measuring the temperature of the medium in the pipeline to be tested and a pressure sensor for measuring the pressure of the medium in the pipeline to be tested, wherein the temperature sensor and the pressure sensor are electrically connected with the controller, and the temperature sensor and the pressure sensor are arranged on the pipeline to be tested.
Further, the testing device also comprises a first stop valve for controlling the opening and closing of the outlet of the storage tank and a second stop valve for controlling the opening and closing of the outlet of the high-pressure air source.
Further, the bottom of the collecting tank is communicated with the storage tank through a particulate matter recovery pipeline, and a cut-off valve is arranged on the particulate matter recovery pipeline.
The utility model has the following beneficial effects:
the utility model provides a testing device for judging the abrasion degree of a conveying pipe, which is characterized in that a high-pressure air source simulates an oxygen source for converter smelting, a storage tank holds particles for simulating calcium oxide powder, one end of a test tube to be tested is communicated with the high-pressure air source and the storage tank, the particles enter the test tube to be tested at a high speed under the action of the high-pressure air, carrier gas and the particles enter a collection tank together for collection, after the test tube runs for a period of time, the wall thickness of a pipeline to be tested is measured by a measuring ruler, and the abrasion degree of the inner wall of the pipeline to be tested is determined, so that the service life of the pipeline to be tested is determined, and data support is provided for industrial production.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a testing device for determining the wear degree of a conveying pipe according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a pipeline to be tested according to an embodiment of the present utility model.
In the figure: the device comprises a high-pressure air source 1, a storage tank 2, a collection tank 3, a test tube 4 to be tested, a first measuring section 5, a second measuring section 6, a bending joint 7, a temperature sensor 8, a pressure sensor 9, a first stop valve 10 and a second stop valve 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a first embodiment of the present utility model provides a testing device for determining a wear degree of a conveying pipe, which includes a high-pressure air source 1, a storage tank 2, a collection tank 3, a pipe 4 to be tested, and a measuring scale, wherein one end of the pipe 4 to be tested is connected to the high-pressure air source 1 and the storage tank 2, and the other end is connected to the collection tank 3; and the measuring ruler is used for measuring the wall thickness of the pipeline 4 to be tested. The testing device also comprises a temperature sensor, and the temperature rising condition of the pipe wall is measured through the temperature sensor so as to judge the safety of the oxygen conveying pipeline. In this embodiment, the high-pressure air source 1 is disposed at an end portion of one end of the pipeline 4 to be tested, and an interface between the storage tank 2 and the pipeline 4 to be tested is located between the high-pressure air source 1 and the collection tank 3, so that the high-pressure air source 1 can smoothly send the particulate matters in the storage tank 2 to the collection tank 3. According to the embodiment, the storage tank 2 and the collection tank 3 are in a tank shape, the bottoms of the storage tank 2 and the collection tank 3 are funnel-shaped, discharging is facilitated, the tops of the storage tank 2 and the collection tank 3 are provided with the pressure release valve and the cloth bag dust removing device, most of particles in the collection tank 3 fall into the bottom of the collection tank 3 due to dead weight, gas in the collection tank 3 is discharged upwards from the pressure release valve, a small amount of particles carried in the gas are collected in the cloth bag dust removing device, when the particles in the cloth bag dust removing device are converged to a certain weight, the particles in the cloth bag dust removing device fall into the bottom of the collection tank 3 due to dead weight, and residual particles in the cloth bag dust removing device fall into the bottom of the collection tank 3 through a beating mode.
Optimizing above-mentioned embodiment, storage tank 2 top and pressurization valves intercommunication, pressurization valves are arranged in making jar interior powder (particulate matter) get into to wait to test pipeline 4 under pressure, and the pressurization valves adopts current valves, mainly comprises parts such as pressure regulating valve (governing pressure), ball formula automatic cutout valve, manual ball valve, pressure transmitter (pressure boost), and this is prior art, and this is not repeated here. The bottom of the storage tank 2 is communicated with a fluidization control valve bank, the fluidization control valve bank is used for enabling powder to be in a fluffy state and smoothly enter the pipeline 4 to be tested, the fluidization control valve bank adopts an existing valve bank and mainly comprises a flow regulating valve (regulating the amount of particulate matters entering the pipeline 4 to be tested), a shut-off valve, a check valve and other parts, and the fluidization control valve bank is of the prior art and is not repeated here.
In this embodiment, the top of the storage tank 2 is communicated with a pressure transmitter for pressurizing, so that the particulate matters in the storage tank 2 can be smoothly sent to the test tube 4 to be tested, and then sent to the collection tank 3.
In the test, an oxygen source for converter smelting is simulated by a high-pressure air source 1, particles for simulating calcium oxide powder are contained in a storage tank 2, one end of a test tube to be tested is communicated with the high-pressure air source 1 and the storage tank 2, the particles enter a test tube 4 to be tested at a high speed under the action of high-pressure air, carrier gas and the particles enter a collection tank 3 together for collection, after a period of operation, the wall thickness of the pipeline 4 to be tested is measured by a measuring ruler, the abrasion degree of the inner wall of the pipeline 4 to be tested is determined, and therefore the service life of the pipeline 4 to be tested is determined. The temperature rise condition of the pipe wall is measured through a temperature sensor, so that the safety of the oxygen conveying pipeline is judged.
In some embodiments, the high pressure gas source 1 may employ an oxygen source, an air source, or the like. The particulate matter stored in the storage tank 2 may be calcium oxide (quicklime) or may be particles similar to the hardness density of the simulated calcium oxide, and the present application is not limited thereto.
In order to be closer to the converter gas supply pipeline scene, in the second embodiment, the test tube 4 to be tested comprises a first measuring section 5 and a second measuring section 6 which are communicated, the first measuring section 5 and the second measuring section 6 are arranged in an angle mode, the first measuring section 5 is close to the high-pressure gas source 1, the second measuring section 6 is close to the collecting tank 3, and the wall thickness of the communicating part of the first measuring section 5 and the second measuring section 6 can be detected in thickness detection. The angle between the first measuring section 5 and the second measuring section 6 may be an acute angle, an obtuse angle or a right angle.
Optimizing the above embodiment, the test tube 4 to be tested further includes a third measuring section connected to the second measuring section 6, where the third measuring section is disposed at an angle with respect to the second measuring section 6, so as to simulate more bending sections.
In order to facilitate thickness detection, in the third embodiment, the test tube 4 further includes a bending joint 7 detachably connected to the first measuring section and the second measuring section. After the measuring device is operated for a period of time, the bending joint 7 is detached, and the abrasion condition of the inner wall of the pipeline can be obtained by measuring the wall thickness of the bending joint 7. Of course, in other embodiments, the connection of the first measuring section 5 and the second measuring section 6 may also be cut to measure the inner wall.
In optimizing the above embodiment, the first measuring section 5 and the bending joint 7 may be connected through a flange, or may be screwed or clamped, which is not limited in this application.
In order to detect the temperature and pressure change of the particles in the pipeline 4 to be tested in operation, thereby determining the relationship among the temperature, pressure and wear of the inner wall, in the fourth embodiment, the testing device comprises a temperature sensor 8 for measuring the temperature of the medium in the pipeline to be tested and a pressure sensor 9 for measuring the pressure of the medium in the pipeline to be tested, the temperature sensor 8 and the pressure sensor 9 are both arranged on the pipeline 4 to be tested, and the testing device further comprises a controller electrically connected with the temperature sensor and the pressure sensor.
In the fifth embodiment, the test device further includes a first shut-off valve 10 for controlling the opening and closing of the outlet of the storage tank 2 and a second shut-off valve 11 for controlling the opening and closing of the outlet of the high-pressure air source 1.
In the sixth embodiment, the collection tank 3 is in communication with the storage tank 2, and the used particles can be recovered and reused. According to the embodiment, the particulate matters collected at the bottom of the collecting tank 3 can be sent into the storing tank 2 through the particulate matter recycling pipeline, a cut-off valve is arranged on the particulate matter recycling pipeline, when the particulate matters are still sent into the collecting tank 3 by the storing tank 2, a pressure release valve at the top of the collecting tank 3 is opened, the pressure release valve at the top of the storing tank 2 is closed, the particulate matter recycling pipeline is not used, and the cut-off valve on the particulate matter recycling pipeline is in a closed state; when the storage tank 2 does not send the particles into the collection tank 3 any more, a cut-off valve on a particle recovery pipeline is opened, the particles collected at the bottom of the collection tank 3 are sent into the storage tank 2 through the particle recovery pipeline under the action of another high-pressure air source, and the particle recovery pipeline is communicated with the other high-pressure air source; optimizing above-mentioned embodiment, collection tank 3 is the same with storage tank 2, and collection tank 3 top and pressurization valves communicate, and the bottom is with fluidization control valves intercommunication, and when collection tank 3 sent the particulate matter in to storage tank 2, the relief valve at collection tank 3 top was closed, and the relief valve at storage tank 2 top was opened, and the trip valve on the particulate matter recovery pipeline was opened this moment, and pressurization valves and fluidization control valves also opened simultaneously.
What is not described in detail in this specification is prior art known to those skilled in the art.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A test device for judging the abrasion degree of a conveying pipe is characterized in that: including waiting test tube way (4), provide high-pressure air supply (1) of high-pressure carrier gas, provide the storage tank (2) of particulate matter, collect collection tank (3) of high-pressure carrier gas and particulate matter, be used for measuring the dipperstick of test tube way wall thickness that awaits measuring, high-pressure air supply (1) and storage tank (2) all communicate with the one end of test tube way (4) that awaits measuring, the other end and the collection tank (3) of waiting test tube way (4) communicate, the tip position of waiting test tube way (4) one end is located to high-pressure air supply (1), the interface position of storage tank (2) and test tube way (4) intercommunication that awaits measuring is located between high-pressure air supply (1) and collection tank (3).
2. The test device for determining the wear level of a delivery tube of claim 1, wherein: the pipeline to be tested (4) comprises a first measuring section (5) and a second measuring section (6), the first measuring section (5) is communicated with the second measuring section (6), and a certain included angle is formed between the first measuring section (5) and the second measuring section (6).
3. The test device for determining the wear level of a delivery tube of claim 2, wherein: the device further comprises a bending joint (7), wherein the first measuring section (5) is communicated with the second measuring section (6) through the bending joint (7), and the first measuring section (5) and the second measuring section (6) are detachably connected with the bending joint (7).
4. The test device for determining the wear level of a delivery tube of claim 1, wherein: the testing device further comprises a controller, a temperature sensor (8) for measuring the temperature of the medium in the pipeline to be tested, and a pressure sensor (9) for measuring the pressure of the medium in the pipeline to be tested, wherein the temperature sensor (8) and the pressure sensor (9) are electrically connected with the controller, and the temperature sensor (8) and the pressure sensor (9) are arranged on the pipeline to be tested (4).
5. The test device for determining the wear level of a delivery tube of claim 1, wherein: the testing device also comprises a first stop valve (10) for controlling the opening and closing of the outlet of the storage tank (2) and a second stop valve (11) for controlling the opening and closing of the outlet of the high-pressure air source (1).
6. The test device for determining the wear level of a delivery tube of claim 1, wherein: the bottom of the collecting tank (3) is communicated with the storing tank (2) through a particulate matter recycling pipeline, and a cut-off valve is arranged on the particulate matter recycling pipeline.
7. The test device for determining the wear level of a delivery tube of claim 1, wherein: the top of the storage tank (2) is communicated with a pressure transmitter for pressurizing.
8. The test device for determining the wear level of a delivery tube of claim 1, wherein: the bottom of the storage tank (2) is provided with a flow regulating valve.
9. The test device for determining the wear level of a delivery tube of claim 1, wherein: the tops of the storage tank (2) and the collection tank (3) are respectively provided with a pressure release valve and a cloth bag dust removing device.
10. The test device for determining the wear level of a delivery tube of claim 1, wherein: the tank bottoms of the storage tank (2) and the collection tank (3) are funnel-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321640895.6U CN220270302U (en) | 2023-06-26 | 2023-06-26 | Test device for judging abrasion degree of conveying pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321640895.6U CN220270302U (en) | 2023-06-26 | 2023-06-26 | Test device for judging abrasion degree of conveying pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220270302U true CN220270302U (en) | 2023-12-29 |
Family
ID=89312572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321640895.6U Active CN220270302U (en) | 2023-06-26 | 2023-06-26 | Test device for judging abrasion degree of conveying pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220270302U (en) |
-
2023
- 2023-06-26 CN CN202321640895.6U patent/CN220270302U/en active Active
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