CN104034621A - Testing device of wear-resisting property of filling pipeline and using method of device - Google Patents
Testing device of wear-resisting property of filling pipeline and using method of device Download PDFInfo
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- CN104034621A CN104034621A CN201410273099.2A CN201410273099A CN104034621A CN 104034621 A CN104034621 A CN 104034621A CN 201410273099 A CN201410273099 A CN 201410273099A CN 104034621 A CN104034621 A CN 104034621A
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Abstract
The invention relates to a testing device of wear-resisting property of a filling pipeline and a using method of the device, belongs to the field of pipeline transportation technology research. A base box is arranged at the bottom of a whole device body, a support table board is fixed on the upper surface of the base box, a protective cover is fixed above the support table board, a rotary iron disc is arranged inside the protective cover, a piece of waterproof abrasive cloth is arranged on the upper surface of the rotary iron disc in a tiling manner, a waterproof abrasive cloth fixing device is arranged on the surface of the side wall of the rotary iron disc, a fixed rotating shaft is fixed on the base box, penetrates through the support table board and is connected with the rotary iron disc, a motor is arranged inside the base box, a pipeline material fixing support is fixed on the side wall of the support table board, a pipeline material is fixed on the side surface of the pipeline material fixing support, a water filling pipe is arranged above a boundary line of the waterproof abrasive cloth and the pipeline material, and a counter weight material is arranged on the pipeline material. The testing device can accurately simulate and quantize the pipeline abrasion loss during the process of filling material transportation, and is suitable for testing and judging the wear-resisting properties of the pipelines for transporting pasty fluid, slurry and other flow-state materials.
Description
Technical field
The present invention relates to a kind of filling pipeline wear resistance testing device and using method thereof of considering filling in mine reality, belong to pipe transportation technology research field, be mainly used in measuring and evaluating pipe wear situation, for selection for pipeline provides foundation.
Background technology
Full Tailing Paste Filling mining technique can be used earth's surface mine tailing to greatest extent, and Filling density is high, filling quality good, cost performance is high, by domestic and international mine, is extensively adopted.Pipeline is carried " throat " engineering that is considered to Cut-and-fill Mining Technology, is determining the effect of paste body filling technology.In filling reality, often run into filling pipeline worn out, cause the boring of making to be had to discarded compared with short-term limit.Therefore, filling pipeline serious wear, serviceable life are short is one of subject matter of facing of filling in mine, causes serious economic loss, affects production efficiency simultaneously.
The major reason that the problems referred to above exist is unclear for pipe wear performance before pipeline is used.For this reason, be necessary to research and develop a kind of pipe wear performance test methods and device, before filling pipeline is selected in mine, its abrasion resistance properties carried out to quantitative evaluation, for mine selection for pipeline reduces risk, cost-saving.
Summary of the invention
The object of the invention is to, a kind of filling pipeline wear resistance testing device and using method are provided.The method can quantitative forecast filling pipeline polishing machine, and then assessment pipeline serviceable life, for filling pipeline, selects foundation is provided.Mainly contain following advantage: the first, easy operating, is applicable to various filling pipeline polishing machine tests; The second, high with actual filling pipeline wear simulation degree, adopt tangentially wearing and tearing, process of the test to add water, more can simulate filling actual wear situation; The 3rd, measuring accuracy is high, can quantize pipe wear thickness, and usings the most generally the steel pipe polishing machine used as reference, for backup line polishing machine, has a quantitative evaluation.
Main body of the present invention is comprised of base cabinet, supporting bable tops, protective cover, rotation irony disk, water proof abrasive cloth, water proof abrasive cloth stationary installation, fixed rotating shaft, motor, pipeline material fixed support, pipeline material, filler pipe, weight material, as shown in Figure 1.
Base cabinet is positioned at whole device bottommost, supporting bable tops is fixed on base cabinet upper surface, protective cover is fixed on supporting bable tops top, rotation irony disk is placed in protective cover inside, water proof abrasive cloth is laid in rotation irony disk upper surface, water proof abrasive cloth stationary installation is positioned at rotation irony disk side wall surface, fixed rotating shaft is fixed on base cabinet, through supporting bable tops, be connected in rotation irony disk, motor is positioned over base cabinet inside, pipeline material fixed support is fixed on supporting bable tops sidewall, pipeline material is fixed on the support bracket fastened side of pipeline material, filler pipe is positioned at water proof abrasive cloth and pipeline material boundary line top, weight material is on pipeline material.
Base cabinet, Main Function is to support whole proving installation, and by fixed rotating shaft and motor portion placed within.
Supporting bable tops, is mainly used to support rotation irony disk.
Protective cover, Main Function is in test process, tester to be waited and effectively protected, and the dust in wear process is collected simultaneously.
Rotation irony disk as the carrier of water proof abrasive cloth, drives water proof abrasive cloth to be rotated in test process, and rotation irony disk diameter is 200mm～500mm, and thickness is 20mm～50mm.
Water proof abrasive cloth, 30 of the particle diameter such as grade that employing grinding force is stronger
#～60
#palm fibre corundum, fused alumina zirconia or silicon-carbide particle and emery cloth are made, and have water-proof function, and emery cloth diameter is 280mm～580mm, and thickness is 0.5mm～10mm, and the redundance rotation irony disk side wall of postponing is fixed.Brown corundum, fused alumina zirconia or silicon-carbide particle in test process on the coated emery cloth of main dependence carry out wear testing to pipeline material.
Water proof abrasive cloth stationary installation, for emery cloth being fixed on to rotation irony disc surfaces, is mainly that emery cloth colligation is at rotation irony disk side wall.
Fixed rotating shaft, Main Function is that driven rotary irony disk is rotated.By fixed rotating shaft, rotate, water proof abrasive cloth and pipeline material tangentially wear and tear, and this process is consistent with the wearing and tearing in actual pipe conveying procedure.The rotational speed of fixed rotating shaft is 500～3000r/min.
Motor, to the beginning of fixed rotating shaft, stop, rotating speed controls.
Pipeline material fixed support, one end is weldingly fixed on the side of supporting bable tops, becomes the other end after bending, three iron rods, consists of also vertically downward, a middle center of pointing to disc radius, other two distribution both sides.Three iron rods are in the side of pipeline material and weight material, are mainly used in stopping that pipeline test material and weight material do not rotate and move with disk, and are fixed in the center of disc radius.
Pipeline material, diameter 50mm～200mm, thickness 5mm～100mm relies on deadweight and counterweight to be pressed in water proof abrasive cloth surface, in rotation irony disk High Rotation Speed process, pipeline material is worn and torn, according to pipe wear quality reduction, its wear-thickness is converted.
Filler pipe, is mainly used in test process, to emery cloth and test material surface, adds continuously water, and it is constant that the water yield keeps.Add water and not only reduced material temperature in test process, reduced dust, the more important thing is, in actual lotion course of conveying, liquid environment is simulated, more the state of wear of closing to reality filling pipeline course of conveying.
Weight material, the main application of weight material is to guarantee that the pressure in different pipeline material wear processes equates, reduces due to the deadweight of pipeline material, the test error that area difference causes.On the basis of pipeline material quality, carry out counterweight calculating, the weight material amount after calculation when test according to unit area pressure at 0.001～0.02MPa, load on the top of pipeline material, and fixed by pipeline material fixed support.Weight material is made by the former dish of steel, can counterweight amount combine realization by 10000g, 5000g, 2000g, 1000g, 500g, 200g, 100g, 50g, 10g, 5g, 2g, 1g.
That the present invention designs is careful, make simple, small volume, flexibly mobile, both can carry out in laboratory, also can test at the scene.Can accurately simulate and quantize pipe wear amount in lotion course of conveying, can be on-the-spot selection for pipeline foundation is provided, there is stronger practical value.Be applicable to lotion, slurry or other flow-like material conveying pipe polishing machine tests and judge.
Accompanying drawing explanation
Fig. 1 is filling pipeline wear resistance testing device front view of the present invention;
Fig. 2 is filling pipeline wear resistance testing device vertical view of the present invention;
Wherein, 1-base cabinet; 2-supporting bable tops; 3-protective cover; 4-rotation irony disk; 5-water proof abrasive cloth; 6-water proof abrasive cloth stationary installation; 7-fixed rotating shaft; 8-motor; 9-pipeline material fixed support; 10-pipeline material; 11-filler pipe; 12-weight material.
Embodiment
A kind of filling pipeline wear resistance testing device, it is characterized in that: base cabinet (1) is positioned at whole device bottommost, supporting bable tops (2) is fixed on base cabinet (1) upper surface, protective cover (3) is fixed on supporting bable tops (2) top, rotation irony disk (4) is placed in protective cover (3) inside, water proof abrasive cloth (5) is laid in rotation irony disk (4) upper surface, water proof abrasive cloth stationary installation (6) is positioned at rotation irony disk (4) sidewall surfaces, fixed rotating shaft (7) is fixed on base cabinet (1), through supporting bable tops (2), be connected in rotation irony disk (4), motor (8) is positioned over base cabinet (1) inside, pipeline material fixed support (9) is fixed on supporting bable tops (2) sidewall, pipeline material (10) is fixed on pipeline material fixed support (9) below, filler pipe (11) is positioned at water proof abrasive cloth (5) and pipeline material (10) boundary line top, weight material (12) is pressed in the top of pipeline material (10).
The using method of described filling pipeline wear resistance testing device is:
(1) make tested pipeline material sample.
(2) tested pipeline material is fixed in the middle of the disc radius of pipeline material fixed support side, be close to water proof abrasive cloth surface, above tested pipeline material, place weight material, open motor, by rotation irony disk, drive water proof abrasive cloth to rotate, and then wearing and tearing pipeline material lower surface.
(3) first to test material wearing and tearing 0.5h～3h, by its surface rubbing, after now pipeline material oven dry, quality is m
0; By fret wear 1h, drying test material quality is m again
1, area s, density p, testing conduit wear-thickness is
(4) the steel billet sample of drawing materials or processing is convenient in making again, and counterweight is under identical pressure, and same step (3) measuring method is measured identical wearing-in period, and recording tube material thickness is h
2, this measured value is as the contrast wear-thickness of selecting filling pipeline;
(5) selecting the wear-thickness of filling pipeline is steel pipe
to select filling pipeline serviceable life be steel pipe in prediction
doubly.
Embodiment is given an example:
The conventional 16Mn tube material of certain novel wear resistant pipe lining material and filling of take is relatively example, adopts proving installation of the present invention, and it is 1000r/min that rotating shaft rotating speed is set, and counterweight pressure is 0.0056MPa.First bi-material is carried out to 1h wear testing, its unsalted surface is worn and torn, then according to above-mentioned measuring method, counterweight, wear-thickness etc. is calculated.Test result is as table 1.
Table 1 anti-wear performance table with test results
Note: in table, " material original weight " is the weight after bi-material unsalted surface wearing and tearing.
As shown in Table 1, the wear-thickness of selecting abrasion-proof pipe inner lining material is 0.095 of 16Mn steel, less than 10%; Selecting abrasion-proof pipe inner lining material is 10.5 times of 16Mn steel serviceable life.Therefore, select abrasion-proof pipe inner lining material anti-wear performance to be obviously better than 16Mn Steel material.
Claims (8)
1. a filling pipeline wear resistance testing device, is characterized in that: base cabinet (1), supporting bable tops (2), protective cover (3), rotation irony disk (4), water proof abrasive cloth (5), water proof abrasive cloth stationary installation (6), fixed rotating shaft (7), motor (8), pipeline material fixed support (9), pipeline material (10), filler pipe (11), weight material (12), consist of, base cabinet (1) is positioned at whole device bottommost, supporting bable tops (2) is fixed on base cabinet (1) upper surface, protective cover (3) is fixed on supporting bable tops (2) top, rotation irony disk (4) is placed in protective cover (3) inside, water proof abrasive cloth (5) is laid in rotation irony disk (4) upper surface, water proof abrasive cloth stationary installation (6) is positioned at rotation irony disk (4) sidewall surfaces, fixed rotating shaft (7) is fixed on base cabinet (1), through supporting bable tops (2), be connected in rotation irony disk (4), motor (8) is positioned over base cabinet (1) inside, pipeline material fixed support (9) is fixed on supporting bable tops (2) sidewall, pipeline material (10) is fixed on the side of pipeline material fixed support (9), filler pipe (11) is positioned at water proof abrasive cloth (5) and pipeline material (10) boundary line top, weight material (12) is on pipeline material (10).
2. a kind of lotion pipeline wear resistance testing device as claimed in claim 1, is characterized in that: the diameter of described rotation irony disk (4) is 200mm～500mm, and thickness is 20mm～50mm.
3. a kind of filling pipeline wear resistance testing device as claimed in claim 1, is characterized in that: described water proof abrasive cloth (5), adopting the stronger grain size number of grinding force is 30
#～60
#the particle diameter abrasive particle such as brown corundum, fused alumina zirconia or silit be coated with and invest emery cloth surface and make, it is 280mm～580mm that the diameter of emery cloth is selected in test, thickness is 0.5mm～10mm, redundance rotation irony disk (4) sidewall of postponing.
4. a kind of filling pipeline wear resistance testing device as claimed in claim 1, is characterized in that: the rotational speed of described fixed rotating shaft (7) is 500～3000r/min.
5. a kind of filling pipeline wear resistance testing device as claimed in claim 1, is characterized in that: described pipeline material fixed support (9) is in the side of pipeline material (10).
6. a kind of filling pipeline wear resistance testing device as claimed in claim 1, is characterized in that: described pipeline material (10), diameter 50mm～200mm, thickness 5mm～100mm.
7. a kind of filling pipeline wear resistance testing device as claimed in claim 1, it is characterized in that: described weight material (12), by the former dish of steel, made, can counterweight amount combine realization by 10000g, 5000g, 2000g, 1000g, 500g, 200g, 100g, 50g, 10g, 5g, 2g, 1g; Pressure after final counterweight is at 0.001～0.02MPa.
8. a using method for filling pipeline wear resistance testing device as claimed in claim 1, is characterized in that:
Step 1, making tested pipeline material sample;
Step 2, tested pipeline material is fixed in the middle of the disc radius of pipeline material fixed support side, be close to water proof abrasive cloth surface, above tested pipeline material, place weight material, open motor, by rotation irony disk, drive water proof abrasive cloth to rotate, and then wearing and tearing pipeline material lower surface;
Step 3, first to test material wearing and tearing 0.5h～3h, by its surface rubbing, now pipeline material dry after quality be m
0; By fret wear 1h, drying test material quality is m again
1, area s, density p, testing conduit wear-thickness is
Step 4, make and to be convenient to the steel billet sample of drawing materials or processing again, counterweight, under identical pressure, is measured identical wearing-in period with step 3 measuring method, and recording tube material thickness is h
2, this measured value is as the contrast wear-thickness of selecting filling pipeline;
Step 5, to select the wear-thickness of filling pipeline be steel pipe
to select filling pipeline serviceable life be steel pipe in prediction
doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410273099.2A CN104034621A (en) | 2014-06-19 | 2014-06-19 | Testing device of wear-resisting property of filling pipeline and using method of device |
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| CN201410273099.2A CN104034621A (en) | 2014-06-19 | 2014-06-19 | Testing device of wear-resisting property of filling pipeline and using method of device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104316423A (en) * | 2014-10-13 | 2015-01-28 | 山东科技大学 | Simulation experiment set for filling pipeline wear |
| CN104502215A (en) * | 2015-01-08 | 2015-04-08 | 攀钢集团研究院有限公司 | Wear test device and wear test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN104502215A (en) * | 2015-01-08 | 2015-04-08 | 攀钢集团研究院有限公司 | Wear test device and wear test method |
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Application publication date: 20140910 |