CN209102550U - Gas particle erosion wear experimental rig is visualized under a kind of flowing wetting conditions - Google Patents
Gas particle erosion wear experimental rig is visualized under a kind of flowing wetting conditions Download PDFInfo
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- CN209102550U CN209102550U CN201821681511.4U CN201821681511U CN209102550U CN 209102550 U CN209102550 U CN 209102550U CN 201821681511 U CN201821681511 U CN 201821681511U CN 209102550 U CN209102550 U CN 209102550U
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Abstract
The utility model discloses gas particle erosion wear experimental rig is visualized under a kind of flowing wetting conditions, feature be include gas-solid erosion test case, air supply system, circulating water supply system, particulate charge and recovery system and control system, gas-solid erosion test case includes the upper box body and lower part box that side is connected by hinge, the particulate charge storehouse of several equidistantly distributeds is arranged by flanged joint at the top of upper box body, the intracorporal top of upper tank is provided with several and corresponds the contracting noz(zle) being connected to particulate charge storehouse, it is separated by partition between adjacent contracting noz(zle), high-speed camera is provided with above upper box body；Be evenly equipped in lower part box several adjustable rotation angles by test specimen, the folding side of lower part box is provided with water inlet, the closed side of lower part box is provided with water outlet, advantage is gas-solid erosion speed, is continuously adjusted by test specimen surfactant fluid flow velocity, and can carry out duration test for more than one piece sample.
Description
Technical field
The utility model relates to gas particle erosion wear experimental rig, more particularly, to being visualized under a kind of flowing wetting conditions
Gas particle erosion wear experimental rig.
Background technique
In many process industrial circles such as coal chemical industry, petrochemical industry, metallurgy, electric power, generally existing Dual-Phrase Distribution of Gas olid.
In the transmission process of Dual-Phrase Distribution of Gas olid, under the entrainment and driving of air-flow, solid particle can occur with pipeline or the inner wall of equipment
Collision, so as to cause erosive wear.The lasting erosion of particle will lead to pipeline or the material of equipment inner surface is constantly lost, in turn
Cause a series of serious consequences such as pipeline wall thickness is thinned, leaks, equipment performance sharply declines, function is lost, threatens the life of device
Production and operational safety.Currently, being directed to Dual-Phrase Distribution of Gas olid Erosion Wear Mechanisms and rule, academia and engineering circles have been carried out largely
Theoretical and experimental study, but since erosion condition is different, operating condition is changeable and the physical property of particle, material is different, punching
Abrasion mechanism is lost still up for further exploring.Dual-Phrase Distribution of Gas olid erosive wear especially in the case where flowing wetting conditions, due to
By erosion material surface, there are the liquid of certain flow rate, can significantly change the impact-ball rebound velocity and angle of erosion particle, even
It influences the aggregation of near wall particle and is crushed, failure mechanism and rule are more complicated.
Existing supersonic gas fixed double phase flow erosive wear experimental rig (CN201110258055.9), is primarily present following
Technological deficiency: 1) experimental rig uses shock tube driving method, and the air velocity of shock tube outlet depends on the thickness of aluminium film, speed
Degree can not be continuously adjusted；2) particle is loaded by way of replacing aluminium film, disassembly is cumbersome, can not carry out long run test；3) each
Secondary test can only be directed to a kind of test specimen, and test period is longer；4) it cannot achieve the Dual-Phrase Distribution of Gas olid erosion examination of flowing wetting conditions
It tests；Therefore, design builds and visualizes gas particle erosion wear experimental rig under flowing wetting conditions, and establishes corresponding test side
Method has important science and engineering application value.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of gas-solid erosion speed, by test specimen surfactant fluid flow velocity
It is continuously adjustable, and visualization gas particle erosion wear test under the flowing wetting conditions of duration test can be carried out for more than one piece sample
Device.
Technical solution adopted by the utility model to solve the above technical problems is as follows: being visualized under a kind of flowing wetting conditions
Gas particle erosion wear experimental rig, including gas-solid erosion test case, air supply system, circulating water supply system, particulate charge and recycling
System and control system；
The gas-solid erosion test case includes upper box body and lower part box, the side of the upper box body with it is described
The side of lower part box be connected by hinge, the top of the upper box body has several equidistantly to divide by flanged joint
The particulate charge storehouse of cloth, the intracorporal top of the upper tank, which is provided with several and corresponds with the particulate charge storehouse, to be connected
Logical contracting noz(zle) is separated by partition between the adjacent contracting noz(zle), and the two sides of the upper box body are set respectively
It is equipped at least one gas vent, organic glass form, the organic glass form are provided at the top of the upper box body
Top be provided with high-speed camera；Be evenly equipped in the lower part box several adjustable rotation angles by test specimen, institute
It the underface for being located at the contracting noz(zle) by test specimen stated and is corresponded with the contracting noz(zle), the lower part box
Folding side be provided with water inlet, the closed side of the lower part box is provided with water outlet；
The gas source in gas-solid erosion test case that the air supply system is used to provide the described, and control the gas-solid punching
The inlet pressure of corrosion test case, the air supply system are connected to the particulate charge storehouse；
The water source in gas-solid erosion test case that the circulating water supply system is used to provide the described, and realize the circulation of water
Flowing；Meanwhile for controlling the fluid flow rate by surface of test piece；The circulating water supply system respectively with it is described into
The mouth of a river is connected to the water outlet；
The particulate charge and recovery system is used to control the feed rate of particle, while recycling the particle after erosion；
The particulate charge and recovery system is connected to the particulate charge storehouse；
The control system be used to control in the gas-solid erosion test case frequency of Dual-Phrase Distribution of Gas olid erosion and time
Number.
The air supply system includes sequentially connected air compressor, intake valve, air accumulator and air vent valve, described
Air vent valve pass through high-voltage pulse valve respectively and be connected to each particulate charge storehouse.Pass through adjusting in air supply system
The outlet pressure of air vent valve is, it can be achieved that continuously adjusting for high-voltage pulse valve outlet compressed air require, to obtain difference
Gas-solid erosion speed the adjustable range of gas-solid erosion speed is increased by using the contracting noz(zle) of different shrinkage ratios.
The circulating water supply system includes water tank, variable pump, suspension separator, check valve and filter, the water
Case outlet is connect with the variable pump, and the variable pump discharge is connect with the water inlet, and the water outlet passes through
Switch valve is connect with the water inlet of the suspension separator, the liquid outlet of the suspension separator and the check valve
Connection, the bottom solid outlet of the suspension separator are connected with particle reclamation device, and the check valve passes through described
Filter is connect with the water tank import.It is water tank, variable pump, gas-solid erosion test case, switch valve, suspension separator, unidirectional
Valve and filter constitute the circuit of a circulation.It, can by setting different discharge capacities in variable pump in circulating water supply system
The flow of water at regulated variable pump discharge, to obtain the fluid flow rate different by surface of test piece.
The particulate charge and recovery system include sequentially connected gas source, pneumatic pressure-release valve, air operated reversing valve and
Grain feeding device, the particulate charge device are connected to each particulate charge storehouse respectively.In particulate charge and recycling
By adjusting the outlet pressure of pneumatic pressure-release valve, it can be achieved that particulate charge device exports amounts of particles continuously adjusts in system,
To adjust the granule density in Dual-Phrase Distribution of Gas olid.
The control system includes industrial personal computer and pressure sensor, the control circuit of the industrial personal computer respectively with it is described
High-voltage pulse valve be connected with the pilot control part of the air operated reversing valve, the pressure sensor be separately connected with
The particulate charge storehouse import and the industrial personal computer.In the controls by industrial personal computer control high-voltage pulse valve and pneumatically
The pilot section of reversal valve is, it can be achieved that long run test under different erosion frequencies；By opening the high-voltage pulse valve of different number,
And corresponding contracting noz(zle) is installed and by test specimen, a variety of continuous erosions by test specimen can be carried out.
The bottom of the lower part box is provided with adjusting bracket, if being evenly equipped with along the long side direction in the adjusting bracket
It is dry to support column, by test specimen, the central axis both ends by test specimen described in installation one between each pair of support column
It is each passed through the support column, the central axis end by test specimen is fixedly connected on the support by fastening nut
On column.It is realized and is rotatablely connected by central axis by test specimen, pass through fastening nut fixed angle.
The contracting noz(zle) is threadedly attached with the upper box body, the receipts of the contracting noz(zle)
Contracting is 1.5:1-2:1 than range；The bottom of the gas-solid erosion test case is that arc-shaped and its center of circle is located at the gas-solid
The geometric center of erosion test case.
Compared with the prior art, the advantages of the utility model are: the utility model is provided under a kind of flowing wetting conditions
Gas particle erosion wear experimental rig is visualized, in air supply system, by adjusting the outlet pressure of air vent valve, and utilizes height
Pulse valve is pressed to generate high-speed flow, it can be achieved that high-voltage pulse valve outlet compressed air require continuously adjusts, to obtain difference
Gas-solid erosion speed；By using the contracting noz(zle) of different shrinkage ratios, the adjustable range of gas-solid erosion speed is increased；It is following
In ring water system, by setting different discharge capacities in variable pump, the flow of water at adjustable variables pump discharge, to obtain
By the different fluid flow rate of surface of test piece；In particulate charge and recovery system, by adjusting the outlet pressure of pneumatic pressure-release valve,
Continuously adjusting for particulate charge device outlet amounts of particles can be achieved, to adjust the granule density in Dual-Phrase Distribution of Gas olid；Pass through
Industrial personal computer controls the pilot section of high-voltage pulse valve and air operated reversing valve, it can be achieved that long run test under different erosion frequencies；It is logical
It crosses and pressure sensor is set in particulate charge storehouse inlet, and combine industrial personal computer acquisition and output signal, it can be achieved that continuity gas
Gu erosion test；It, can be by opening the high-voltage pulse valve of different number, and the corresponding contracting noz(zle) of installation and by test specimen
The a variety of continuous erosion tests by test specimen of row.
In conclusion visualizing gas particle erosion wear experimental rig, the dress under a kind of flowing wetting conditions of the utility model
Set the erosion speed that can be used for controlling particle in Dual-Phrase Distribution of Gas olid, impact angle, and impact-bounce angle for observing particle
Degree can carry out multiple erosion examinations by test specimen under different angle of attack and impact velocity simultaneously in gas-solid erosion test case
It tests, shortens test process.Meanwhile by the way of partition, interfering with each other for each erosion process is avoided；It is supplied using circulation
Water system can carry out the gas-solid erosion test under flowing wetting conditions in conjunction with gas-solid erosion test case.
Detailed description of the invention
Fig. 1 is that the utility model flows the structural schematic diagram that gas particle erosion wear experimental rig is visualized under wetting conditions；
Fig. 2 is the structural schematic diagram of the utility model gas-solid erosion test case.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Specific embodiment
It visualizes gas particle erosion wear experimental rig under a kind of flowing wetting conditions, including gas-solid erosion test macro, supplies
Gas system, circulating water supply system, particulate charge and recovery system and control system；As depicted in figs. 1 and 2, gas-solid erosion test
Case 1 includes upper box body 2 and lower part box 3, and the side of upper box body 2 and the side of lower part box 3 are connected by hinge, top
The particulate charge storehouse 4 of several equidistantly distributeds is arranged by flanged joint at the top of cabinet 2, the top setting in upper box body 2
There are several to correspond the contracting noz(zle) 5 be connected to particulate charge storehouse 4, pass through between adjacent contracting noz(zle) 5 partition 6 every
It opens, the two sides of upper box body 2 are respectively arranged at least one gas vent 7, and the top of upper box body 2 is provided with organic glass form
8, the top of organic glass form 8 is provided with high-speed camera 9；Several adjustable rotation angles are evenly equipped in lower part box 3
By test specimen 10, be located at the underface of contracting noz(zle) 5 and corresponded with contracting noz(zle) 5 by test specimen 10, the folding of lower part box 3
Side is provided with water inlet 11, and the closed side of lower part box 3 is provided with water outlet 12；Air supply system is for providing gas-solid erosion test
Gas source in case 1, and the inlet pressure of gas-solid erosion test case 1 is controlled, air supply system is connected to particulate charge storehouse 4；Circulation supplies
Water system is used to provide the water source in gas-solid erosion test case 1, and realizes circulating for water；Meanwhile for controlling by test specimen
The fluid flow rate on 10 surfaces；Circulating water supply system is connected to water inlet 11 and water outlet 12 respectively；Particulate charge and recovery system
For controlling the feed rate of particle, while recycling the particle after erosion；Particulate charge and recovery system and particulate charge storehouse 4 connect
It is logical；Control system is used to control the frequency and number of Dual-Phrase Distribution of Gas olid erosion in gas-solid erosion test case 1.
In this particular embodiment, as shown in Figure 1, air supply system includes sequentially connected air compressor 13, intake valve
14, air accumulator 15 and air vent valve 16, air vent valve 16 are connected to by high-voltage pulse valve 17 with particulate charge storehouse 4 respectively.
Circulating water supply system includes water tank 18, variable pump 19, suspension separator 20, check valve 21 and filter 22, tank outlet 18 with
Variable pump 19 connects, and the outlet of variable pump 19 is connect with water inlet 11, and water outlet 12 passes through switch valve 23 and suspension separator 20
Water inlet connection, the liquid outlet of suspension separator 20 are connect with check valve 21, and the bottom solid outlet of suspension separator 20 connects
It is connected to particle reclamation device 24, check valve 21 is connect by filter 21 with 18 import of water tank.Particulate charge and recovery system packet
Sequentially connected gas source 25, pneumatic pressure-release valve 26, air operated reversing valve 27 and particulate charge device 28 are included, particulate charge device 28 divides
It is not connected to each particulate charge storehouse 4.Control system includes industrial personal computer 29 and pressure sensor 30, the control circuit of industrial personal computer 29
Be connected respectively with the pilot control part of high-voltage pulse valve 17 and air operated reversing valve 27, pressure sensor 30 be separately connected with
Grain 4 import of feeding warehouse and industrial personal computer 29.
In this particular embodiment, as shown in Fig. 2, the bottom of lower part box 3 is provided with adjusting bracket 31, adjusting bracket 31
On be evenly equipped with several pairs of support columns 32 along the long side direction, installation one is by test specimen 10 between each pair of support column 32, by test specimen 10
Central axis both ends are each passed through support column 32, are fixedly connected on support column by fastening nut 33 by the central axis end of test specimen 10
On 32.It is realized and is rotatablely connected by central shaft by test specimen 10, pass through 33 fixed angle of fastening nut.Contracting noz(zle) 5 and top
Cabinet 2 is threadedly attached, and the shrinkage ratio range of contracting noz(zle) 5 is 1.5:1-2:1.1 bottom of gas-solid erosion test case
Portion is the geometric center that arc-shaped and its center of circle is located at gas-solid erosion test case 1.
The method for carrying out visualizing gas particle erosion wear test under flowing wetting conditions using above-mentioned apparatus, including following step
It is rapid:
(1) in gas-solid erosion test case 1, install specified quantity by test specimen 10, and by adjusting bracket 31, setting is each
A angle by test specimen 10 and horizontal plane；According to required gas-solid erosion speed, the contracting noz(zle) 5 of different shrinkage ratios is selected,
And install with by the corresponding contracting noz(zle) 5 of 10 quantity of test specimen；After being installed, upper box body 2 and lower part box 3 are closed up,
The filming frequency of setting high-speed photographic apparatus 9 opens switch valve 23；
The whole specification of gas-solid erosion test case 1 is the cm × 80 of 100 cm × 50 cm (length x width x
Highly), 1 bottom of gas-solid erosion test case is arc-shaped, and the radius of circular arc is 50 cm, and the center of circle is located at gas-solid erosion test case 1
Geometric center, corresponding central angle are 120 °；Unlike material can be selected to be made by test specimen 10, the specification by test specimen 10 is
The cm × 2 of 8 cm × 4 cm (length x width x thickness), by the quantity of test specimen 10 can according to test requirements document into
Row selection, maximum experiment quantity are 6；Adjusting bracket 31 is adjusted each angle by test specimen and horizontal plane, angle it is adjustable
Adjusting range is 0 ° -90 °, and degree of regulation is 1 °；Contracting noz(zle) 5 is made of ceramic material, the quantity and quilt of contracting noz(zle) 5
The quantity of test specimen 10 it is consistent, maximum quantity be 6；The shrinkage ratio range of contracting noz(zle) 5 is 1.5:1- 2:1；Each contracting noz(zle)
There is partition 6, the specification of partition 6 is the cm × 2 of 15 cm × 8 cm between 5；Upper box body 2 and lower part box 3 are all made of not
Rust steel is made, and the silent frame resolution ratio of high-speed camera 9 is 1024 × 1024(pixel), silent frame filming frequency is not less than
20000 fps；
(2) in air supply system, the compressed air that air compressor 13 generates enters air accumulator 15 through intake valve 14；Wait store up
After pressure in gas tank 15 is stablized, air vent valve 16 is opened, sets the outlet pressure of air vent valve 16；Above-mentioned each equipment room
It is attached with stainless steel pipes, pipeline inside nominal diameter is DN 100；Equipment and pipeline are using screw thread or the shape of flanged joint
Formula, connection size are 4 inches；The power of air compressor 13 is 80 kW, and capacity is 15 m3/min；The volume of air accumulator 15
For 100 m3；The range of regulation of air vent valve 16 is (0.05 ~ 1.0) MPa, and pressure degree of regulation is ± 5%；
(3) in circulating water supply system, variable pump 19 is opened, and set discharge capacity；The water that water tank 18 exports is through variable pump 19
It is flowed out into the water inlet 11 of gas-solid erosion test case 1, and from the water outlet 12 of gas-solid erosion test case 1；It is flowed from water outlet 12
Water out returns to water tank 18 followed by suspension separator 20, check valve 21 and filter 22, forms a closed circulation；
By the circulation of a period of time, the impurity in water is removed, and makes to be located at relatively stable by the fluid formation one on 10 surface of test specimen
Flow regime；
Circulating water supply system realizes circulating for water for providing the water source of entire experimental rig.Meanwhile for controlling
System is by the fluid flow rate on 10 surface of test specimen；300 cm of maximum pump discharge of variable pump 193/ r, maximum speed is 2500 r/min, defeated
450 kW of power out；The volume of water tank 18 is 5 m3, case peripheral hardware liquidometer；The liquid-solid separation efficiency of suspension separator 20 is not less than
90%；The maximum stream flow of check valve 21 is 550 L/min, and highest pressure resistance is not less than 15 MPa；The filtering accuracy of filter 22 is not low
In 15 μm；The specification of water inlet 11 and water outlet 12 is the cm(of 90 cm × 2 length x width)；
(4) in particulate charge and recovery system, gas source 25 and pneumatic pressure-release valve 26 are opened, setting pneumatic pressure-release valve 26 goes out
The gas pressure of mouth；Particulate charge and recovery system are used to control the feed rate of particle, while recycling the particle after erosion；Gas
The outlet pressure in source 25 is not less than 1.0 MPa, and the pressure adjustable adjusting range of pneumatic pressure-release valve 26 is (0 ~ 1) MPa, and pressure is adjusted
Precision is 0.05 MPa；
(5) in the controls, by industrial personal computer 29, the pulse frequency and air operated reversing valve 27 of high-voltage pulse valve 17 are set
Commutating frequency；Air operated reversing valve 27 is opened by industrial personal computer 29, the compressed air that pneumatic pressure-release valve 26 exports pneumatically is commutated
Valve 27 enters particulate charge device 28, and a certain number of solid particles is driven to enter particulate charge storehouse 4；When particulate charge storehouse 4 into
When the pressure sensor 30 of mouth has captured pressure oscillation caused by air-flow, Pressure Fluctuation Signal is fed back into industrial personal computer 29；Work
After control machine 29 receives Pressure Fluctuation Signal, high-voltage pulse valve 17 is opened；The high-speed flow entrance that high-voltage pulse valve 17 exports
Grain feeding warehouse 4, drives the solid particle in particulate charge storehouse 4 to enter contracting noz(zle) 5, and erosion is by test specimen 10；In gas-solid erosion
In the process, impact-ball rebound velocity and angle of the solid particle when erosion is by 10 surface of test specimen are captured using high-speed camera 9；
Air operated reversing valve 27 is two-position five-way valve, there is leading controller, and average switching time is no more than 20 ms；Particle
The geometry of feeding warehouse 4 is taper, and upper and lower plane is circle；The radius of circle of upper plane is 7.5 cm, the circle half of lower plane
Diameter is 2.0 cm, is highly 15.0 cm, compressed air enters in storehouse along the tangential direction of upper plane；The peace of pressure sensor 30
On the inlet duct in particulate charge storehouse 4, the range of pressure sensor 30 is (0 ~ 1.5) MPa, synthesis precision 0.1%
FS；High-voltage pulse valve 17 is right-angle type, and inside nominal diameter is DN 15, and pulses range is (5-50) Hz, working pressure range
For (0.05-0.95) MPa, service life is not less than 2,000,000 times；
(6) after gas-solid erosion test carries out a period of time, valve 23 is turned on the switch；It is deposited in 1 bottom of gas-solid erosion test case
The solid particle and water in portion flow through switch valve 23 jointly, into suspension separator 20；The solid isolated from suspension separator 20
Grain enters particle reclamation device 24, and isolated water flows through check valve 21 and filter 22 returns to water tank；Switch valve 23 is ball valve, public
Latus rectum is referred to as DN 80；Suspension separator 20 is vertical separator, and liquid-solid separation efficiency is not less than 90%；Particle reclamation device 24
Volume is not less than 1 m3；The use pressure limit of check valve 21 is (0-10) MPa；
(7) when off-test, high-voltage pulse valve 17 and air operated reversing valve 27 are successively closed by industrial personal computer 29；Then,
Successively close air compressor 13 and variable pump 19；Finally, closing intake valve 14, air vent valve 16 and pneumatic pressure-release valve 26.
Above description is not limitation of the utility model, and the utility model is also not limited to the example above.This technology neck
In the essential scope of the utility model, the variations, modifications, additions or substitutions made also should belong to the those of ordinary skill in domain
The protection scope of the utility model.
Claims (7)
1. visualizing gas particle erosion wear experimental rig under a kind of flowing wetting conditions, it is characterised in that: tried including gas-solid erosion
Tryoff, air supply system, circulating water supply system, particulate charge and recovery system and control system；
The gas-solid erosion test case includes upper box body and lower part box, the side of the upper box body and it is described under
The side of portion's cabinet is connected by hinge, and there are several equidistantly distributeds at the top of the upper box body by flanged joint
Particulate charge storehouse, the intracorporal top of the upper tank are provided with what several were connected to the particulate charge storehouse one-to-one correspondence
Contracting noz(zle) is separated by partition between the adjacent contracting noz(zle), and the two sides of the upper box body are respectively arranged with
At least one gas vent, is provided with organic glass form at the top of the upper box body, the organic glass form it is upper
Side is provided with high-speed camera；Be evenly equipped in the lower part box several adjustable rotation angles by test specimen, it is described
It is located at the underface of the contracting noz(zle) and is corresponded with the contracting noz(zle) by test specimen, the lower part box is opened
It closes side and is provided with water inlet, the closed side of the lower part box is provided with water outlet；
The gas source in gas-solid erosion test case that the air supply system is used to provide the described, and control the gas-solid erosion examination
The inlet pressure of tryoff, the air supply system are connected to the particulate charge storehouse；
The water source in gas-solid erosion test case that the circulating water supply system is used to provide the described, and realize the recycle stream of water
It is dynamic；Meanwhile for controlling the fluid flow rate by surface of test piece；The circulating water supply system respectively with the water inlet
Mouth is connected to the water outlet；
The particulate charge and recovery system is used to control the feed rate of particle, while recycling the particle after erosion；It is described
Particulate charge and recovery system be connected to the particulate charge storehouse；
The control system is used to control the frequency and number of Dual-Phrase Distribution of Gas olid erosion in the gas-solid erosion test case.
2. visualizing gas particle erosion wear experimental rig, feature under a kind of flowing wetting conditions according to claim 1
Be: the air supply system includes sequentially connected air compressor, intake valve, air accumulator and air vent valve, described
Air vent valve passes through high-voltage pulse valve respectively and is connected to each particulate charge storehouse.
3. visualizing gas particle erosion wear experimental rig, feature under a kind of flowing wetting conditions according to claim 2
Be: the circulating water supply system includes water tank, variable pump, suspension separator, check valve and filter, and the water tank goes out
Mouth is connect with the variable pump, and the variable pump discharge is connect with the water inlet, and the water outlet passes through switch
Valve is connect with the water inlet of the suspension separator, and the liquid outlet of the suspension separator and the check valve connect
It connects, the bottom solid outlet of the suspension separator is connected with particle reclamation device, and the check valve passes through the mistake
Filter is connect with the water tank import.
4. visualizing gas particle erosion wear experimental rig, feature under a kind of flowing wetting conditions according to claim 3
Be: the particulate charge and recovery system include sequentially connected gas source, pneumatic pressure-release valve, air operated reversing valve and particle into
Expect that device, the particulate charge device are connected to each particulate charge storehouse respectively.
5. visualizing gas particle erosion wear experimental rig, feature under a kind of flowing wetting conditions according to claim 4
Be: the control system includes industrial personal computer and pressure sensor, the control circuit of the industrial personal computer respectively with it is described
High-voltage pulse valve is connected with the pilot control part of the air operated reversing valve, and the pressure sensor is separately connected and institute
The particulate charge storehouse import stated and the industrial personal computer.
6. visualizing gas particle erosion wear test dress under a kind of flowing wetting conditions according to any one of claims 1-5
It sets, it is characterised in that: the bottom of the lower part box is provided with adjusting bracket, in the adjusting bracket along the long side direction
Several pairs of support columns are furnished with, by test specimen, the center by test specimen described in installation one between each pair of support column
Axis both ends are each passed through the support column, and the central axis end by test specimen is fixedly connected on described by fastening nut
Support column on.
7. visualizing gas particle erosion wear experimental rig, feature under a kind of flowing wetting conditions according to claim 6
Be: the contracting noz(zle) is threadedly attached with the upper box body, the contraction of the contracting noz(zle)
It is 1.5:1-2:1 than range；The bottom of the gas-solid erosion test case is that arc-shaped and its center of circle is located at the gas-solid punching
The geometric center of corrosion test case.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821681511.4U CN209102550U (en) | 2018-10-17 | 2018-10-17 | Gas particle erosion wear experimental rig is visualized under a kind of flowing wetting conditions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821681511.4U CN209102550U (en) | 2018-10-17 | 2018-10-17 | Gas particle erosion wear experimental rig is visualized under a kind of flowing wetting conditions |
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| CN209102550U true CN209102550U (en) | 2019-07-12 |
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|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283082A (en) * | 2018-10-17 | 2019-01-29 | 宁波市产品质量监督检验研究院 | Gas particle erosion wear experimental rig and its test method are visualized under a kind of flowing wetting conditions |
| CN112697622A (en) * | 2020-12-08 | 2021-04-23 | 宁波市产品食品质量检验研究院(宁波市纤维检验所) | Pulse type liquid-solid two-phase flow erosion abrasion test device under air flow jet environment |
| CN115561108A (en) * | 2022-12-05 | 2023-01-03 | 中国石油大学(华东) | Erosion experiment system and method considering high temperature and pipe column buckling |
-
2018
- 2018-10-17 CN CN201821681511.4U patent/CN209102550U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283082A (en) * | 2018-10-17 | 2019-01-29 | 宁波市产品质量监督检验研究院 | Gas particle erosion wear experimental rig and its test method are visualized under a kind of flowing wetting conditions |
| CN112697622A (en) * | 2020-12-08 | 2021-04-23 | 宁波市产品食品质量检验研究院(宁波市纤维检验所) | Pulse type liquid-solid two-phase flow erosion abrasion test device under air flow jet environment |
| CN115561108A (en) * | 2022-12-05 | 2023-01-03 | 中国石油大学(华东) | Erosion experiment system and method considering high temperature and pipe column buckling |
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