CN108195749A - The dust storm erosion abrasion test device and its test method of Fan blade material - Google Patents
The dust storm erosion abrasion test device and its test method of Fan blade material Download PDFInfo
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- CN108195749A CN108195749A CN201810132695.7A CN201810132695A CN108195749A CN 108195749 A CN108195749 A CN 108195749A CN 201810132695 A CN201810132695 A CN 201810132695A CN 108195749 A CN108195749 A CN 108195749A
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 116
- 239000000463 material Substances 0.000 title claims abstract description 42
- 239000000428 dust Substances 0.000 title claims abstract description 40
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000005299 abrasion Methods 0.000 title claims abstract description 17
- 238000010998 test method Methods 0.000 title abstract description 7
- 239000004576 sand Substances 0.000 claims abstract description 56
- 238000004064 recycling Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000002474 experimental method Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 13
- 238000005057 refrigeration Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000007791 dehumidification Methods 0.000 claims description 4
- 238000011282 treatment Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 4
- 230000003993 interaction Effects 0.000 abstract description 3
- 230000000116 mitigating effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- General Health & Medical Sciences (AREA)
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- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention discloses the dust storm erosion abrasion test device and its test method of a kind of Fan blade material.The present invention includes speed adjusting module, for husky module, temperature and humidity adjustment module, erosion module and grains of sand recycling module; the grains of sand pass through the dust storm feeding mechanism by being formed for husky module with speed adjusting module; enter to the erosion module in erosion case; erosive wear is carried out to the fan blade in erosion module, the temperature and humidity adjustment module is used to that control to be adjusted to the humiture in erosion module；The grains of sand retracting device is placed in the lower section of erosion module.The effective simulates blower fan blade actual condition environment of energy of the invention, so as to it is accurate, reliably analyze interaction between the factors such as temperature, humidity, dust storm erosion wind speed, impact angle, sandy environment radius, and the measure for mitigating for research fan blade erosive wear provides reliable experimental data.
Description
Technical field
The present invention relates to a kind of experimental rig and its test methods, and in particular to a kind of dust storm erosion of Fan blade material
Abrasion test device and its test method.
Background technology
Wind-power electricity generation has many advantages, such as technology maturation, environment-friendly high-efficiency, inexhaustible, this causes wind-power electricity generation one
Fastest-rising status in world's new energy directly is remain, there is vast potential for future development.Blade of wind-driven generator is as wind turbine
The critical elements of component part, its superiority-inferiority affect the quality of entire wind turbine, are the key that wind-power electricity generations.With China's gas
It waits environment gradually to deteriorate, many wind power plants will appear dust and sand weather, and dust storm erosion causes the damage of fan blade.Meanwhile
The influence of the natural weathers such as the extremely low temperature such as sleet, high humidity so that fan blade is under dust storm and sleety weather interaction, erosion
Abrasion is continuously increased, and the service life of wind-driven generator greatly reduces, and affects the normal operation of wind power plant.Cause
This, Fan blade material dust storm erosive wear research seems very necessary and urgent.
Fan blade material dust storm erosive wear process is sufficiently complex, although field experiment reliability is high, its expense
Greatly, the period of consumption is long, feasibility is low, and the environment dust storm erosive wear especially for pole high and low temperature and high humility is studied, very
Difficulty carries out fan blade artificial temperature, humidity, wind sand environment in wind power plant and controls.Simulating lab test has true
Simulate the ability and easily each factor of control influence fan blade erosive wear, such as wind speed, impact angle, sand and dust of wind
Particle radius, temperature, humidity etc..In order to be furtherd investigate to erosive wear of the Fan blade material under wind sand environment, design
A kind of system and device that can simulate dust storm erosive wear environment seems necessary.
Invention content
The present invention in view of the deficiencies of the prior art, provides a kind of dust storm erosion resistance tests dress of Fan blade material
It puts and its test method.
The present invention includes speed adjusting module, recycles mould for husky module, temperature and humidity adjustment module, erosion module and the grains of sand
Block, the grains of sand enter to the erosion mould in erosion case by the dust storm feeding mechanism by being formed for husky module with speed adjusting module
Block, carries out the fan blade in erosion module erosive wear, and the temperature and humidity adjustment module is used for the temperature in erosion module
Control is adjusted in humidity；The grains of sand retracting device is placed in the lower section of erosion module；The erosion module includes experiment and supports
Platform, sensor assembly, glass window, discharge pipe；The experiment supporting table is included containing the first baffle being vertically fixedly mounted
With second baffle, for fixing fan blade；First baffle is connected by bearing with supporting rack, and impact angle is adjusted；Support
Frame is fixed on erosion bottom；The sensor assembly includes the wind speed detection device for detecting erosion case wind speed, for detecting
The temperature sensor of erosion case temperature value, for detecting the humidity sensor of erosion case humidity；The discharge pipe is used for
Balance air pressure in erosion case；The glass window is set to erosion case side wall.
Furtherly, the speed adjusting module includes air compressor, wind speed regulating valve, discharge pipe and pressure maintaining valve, empty
The output connection wind speed regulating valve of air compressor, the output connection discharge pipe of wind speed regulating valve, the wind of discharge pipe pass through pressure maintaining valve
Enter Spray Gun Of The Pressure afterwards.
Furtherly, described to include storage sand material case for husky module, the storage sand material case lower end is equipped with lower husky adjustable valve, under
Husky adjustable valve send the sand tube other end to be connected to Spray Gun Of The Pressure with sand tube one end is sent to be connected.
Furtherly, the temperature and humidity adjustment module includes heating module, refrigeration module, humidification module, dehumidifier module, this
Four modules are connected by control circuit with host computer.
Furtherly, upper box, filter layer, lower box are provided in the grains of sand recycling module, the filter layer has
The through-hole of uniform Pinhole-shaped.
Furtherly, the impact angle experiment setting value is 15 °, 30 °, 45 °, 60 ° and 90 °.
Furtherly, it is connected with pressure-detecting device between the pressure maintaining valve and Spray Gun Of The Pressure.
Furtherly, the filter layer can be replaced according to particle radius.
The dust storm erosion resistance tests method of Fan blade material, using above device, this method tool is：
Fan blade material is placed in experiment supporting table by step 1, and first baffle contacts solid with Fan blade material side
Fixed, second baffle contacts fixation with Fan blade material bottom；Bearing is adjusted to the angle of setting.
Step 2, sensor assembly in erosion case epidemic disaster acquire, by collected epidemic disaster value with setting temperature,
Humidity parameter is compared, and will be compared and is differentiated that result exports and gives temperature and humidity adjustment module, carries out epidemic disaster adjusting；Meanwhile it is adjusting
During saving epidemic disaster, erosion mould discharge pipe in the block is controlled, to strengthen the cross-ventilation in erosion case, balances erosion case
Interior epidemic disaster.
Step 3, after erosion case reaches the epidemic disaster value of setting, open the high pressure pneumatic supply in speed adjusting module, it is high
Potential source of calming the anger provides the spray gun in air-flow to dust storm feeding mechanism；Air-flow flows through spray gun and forms negative pressure, is provided for husky module
The grains of sand test fan blade surface as air-flow is ejected to by spray gun.
After step 4, erosion resistance tests, grains of sand recycling is carried out by grains of sand recycling module.
Furtherly, when temperature of the erosion the temperature inside the box higher than setting, temperature and humidity adjustment module is started by host computer
In refrigeration module carry out refrigeration processing to set temperature numerical value；
When erosion the temperature inside the box less than setting temperature when, by host computer start temperature and humidity adjustment mould heating module in the block into
Row heats to set temperature numerical value；
When in erosion case humidity less than setting humidity when, by host computer start temperature and humidity adjustment mould humidity module in the block into
Row humidification process is to setting humidity；
When in erosion case humidity higher than setting humidity when, by host computer start temperature and humidity adjustment mould dehumidifier module in the block into
Row dehumidification treatments are to setting humidity.
Beneficial effects of the present invention：The effective simulates blower fan blade actual condition environment of apparatus of the present invention energy, so as to standard
Really, the phase interaction between the factors such as temperature, humidity, dust storm erosion wind speed, impact angle, sandy environment radius is reliably analyzed
With, and the measure for research mitigation fan blade erosive wear provides reliable experimental data.
Description of the drawings
Fig. 1 is the module flow diagram of the present invention；
Fig. 2 is the structure diagram of the present invention；
Fig. 3 is the stereogram of grains of sand recycling module of the present invention；
Fig. 4 is the control flow chart of dust storm erosion abrasion test device of the present invention；
In figure：1.1st, air compressor；1.2nd, wind speed regulating valve；1.3rd, discharge pipe；1.4th, pressure maintaining valve；1.5th, pressure detecting fills
It puts；1.6th, Spray Gun Of The Pressure；2.1st, sand material case is stored up；2.2nd, lower husky adjustable valve；2.3rd, sand tube is sent；3.11, first baffle；3.12、
Second baffle；3.2nd, bearing；3.3rd, supporting rack；3.4th, glass window；3.5th, discharge pipe；3.6th, wind speed detection device；3.7、
Temperature sensor；3.8th, humidity sensor；4.1st, heating module；4.2nd, refrigeration module；4.3rd, humidification module；4.4th, dehumidifier mould
Block；4.5th, control circuit；4.6th, host computer；4.7th, soft pipeline；5.1st, upper box；5.2nd, filter screen；5.3rd, lower box.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
As shown in Figure 1 and Figure 2, the dust storm erosion abrasion test device of a kind of Fan blade material, including for husky module, wind
Fast adjustment module, temperature control modules, humidity control module, erosion module, grains of sand recycling module.The grains of sand pass through same for husky module
Speed adjusting module communicates to form dust storm feeding mechanism, is then connected with erosion module and carries out fan blade erosive wear, temperature
Adjustment module, moisture adjustment module are communicated with erosion module carries out temperature and humidity adjustment control.
Air compressor 1.1 in the speed adjusting module is by connecting discharge pipe 1.3 1 after wind speed regulating valve 1.2
End, 1.3 other end of discharge pipe connection pressure maintaining valve 1.4, are connected to Spray Gun Of The Pressure 1.6, pressure maintaining valve 1.4 and Spray Gun Of The Pressure after voltage stabilizing
There is pressure-detecting device 1.5 between 1.6.The grains of sand impact velocity empirical value be set as 7.9 m/s, 12.8 m/s, with
And 17.4m/s.
It is described to include storage sand material case 2.1 by lower husky adjustable valve 2.2 with sand tube nozzle 2.3 is sent to be connected for husky module, and
It is connected to Spray Gun Of The Pressure 1.6.The grains of sand radius empirical value be set as 0.074mm-0.15mm, 0.104mm-0.212mm,
0.212mm-0.42mm and 0.42mm-0.84mm.
The temperature adjustment module includes refrigeration module 4.2, heating module 4.1 is all connected to control circuit 4.5, control electricity
Road is connected to host computer 4.6, is adjusted into trip temperature.Erosion the temperature inside the box empirical value be set as -40 DEG C, -20 DEG C, 0 DEG C,
20 DEG C, 40 DEG C, 60 DEG C and 80 DEG C.
The moisture adjustment module includes humidification module 4.3, dehumidifier module 4.4 is all connected to control circuit 4.5, control electricity
Road is connected to host computer 4.6, carries out humidity regulation.In the erosion case humidity empirical value be set as 20%, 40%, 60% and
80%。
The erosion module includes experiment supporting table, sensor assembly, glass window, discharge pipe.The experiment support
Platform includes first baffle 3.11, second baffle 3.12 and is vertically fixedly mounted, and first baffle 3.11 passes through bearing 3.2 and supporting rack
3.3 are connected, and impact angle are adjusted, the impact angle experiment setting value is 15 °, 30 °, 45 °, 60 ° and 90 °.Supporting rack
3.3 are fixed on bottom；The sensor assembly includes the wind speed detection device 3.6 for detecting erosion case wind speed, for detecting
The temperature sensor 3.7 of erosion case temperature value, for detecting the humidity sensor 3.8 of erosion case humidity；The outlet air
Pipe 3.5 has air pressure in balance erosion case；The glass window 3.4 is set to erosion case side wall.
As shown in figure 3, the grains of sand recycling module includes recycling bins, filter layer 5.2.Recycling bins filter layer 5.2
Babinet is divided into upper box 5.1, lower box 5.3；The filter layer 5.2 has the through-hole of uniform Pinhole-shaped, can will be after experiment
For substandard sand filtration to lower box 5.3, the complete grains of sand still stay in upper box 5.1.The filter layer 5.2 can according to
Grain radius is replaced.
The speed adjusting module inputs compressed air by discharge pipe 1.3 for Spray Gun Of The Pressure 1.6, described that husky module is sent to lead to
It crosses and sand tube 2.3 is sent to convey the grains of sand for Spray Gun Of The Pressure 1.6, the epidemic disaster adjustment module is real for erosion module by soft pipeline 4.7
It tests environment and adjusts epidemic disaster.
As shown in figure 4, it is the control flow chart of dust storm erosion abrasion test device of the present invention.Place wind turbine leaf in proportion
Piece experiment material is fixed on baffle, by bearing controllable register angle, if with testing set angle0It is identical, then it uses
Temperature and relative humidity distinguishes collecting temperature value T and humidity value H, if with0It is unequal, then re-adjustments baffle angle.In order to make
In erosion test case humiture reach experiment setting value, by host computer start heating module, refrigeration module, dehumidifier module,
Humidification module adjusts epidemic disaster.If T=T0、H=HO, air compressor is opened, pressure maintaining valve is adjusted and is detected with pressure-detecting device
Pressure P.If P and experiment setting pressure P0It is worth equal, then adjusts wind speed regulating valve and lower husky adjustable valve.If unequal, weigh
Polyphony section pressure maintaining valve.Grains of sand erosion speed V in erosion case is detected by wind speed detection device, if V and experiment wind speed setting V0No
It is equal, then re-adjustments wind speed regulating valve and lower husky adjustable valve.If V=V0, then grains of sand erosive wear wind turbine leaf is proceeded by
Piece.Experimenter terminates to carry out grains of sand recycling by observation window observation experiment, finally experiment.
A kind of dust storm erosion resistance tests method of Fan blade material, this method include the following steps：
Fan blade material is placed in test specimen fixed plate by step 1, and first baffle contacts company with Fan blade material side
It connects, second baffle is used to connect with Fan blade material bottom, fixed Fan blade material.Bearing is adjusted to the angle of setting
Degree, the i.e. angle of dust storm erosion.
Before step 2, experiment operation, first have to carry out epidemic disaster inspection.It is right respectively with temperature sensor, humidity sensor
Collected epidemic disaster value and setting epidemic disaster parameter are compared, then judge by the acquisition of epidemic disaster in erosion device
Subsequent operation.When temperature of the measured temperature higher than setting, refrigeration module is started by host computer carry out refrigeration and handle to setting
Determine temperature value；When temperature of the measured temperature less than setting, heating module is started by host computer and is heated to setting
Determine temperature value；When humidity of institute's measuring moisture less than setting, humidity module is started by host computer and carries out humidification process to setting
Determine humidity；When humidity of institute's measuring moisture higher than setting, dehumidifier module is started by host computer and carries out dehumidification treatments to setting
Determine humidity；When humidity of institute's measuring moisture less than setting, humidification module is started by host computer and carries out dehumidification treatments to setting
Determine humidity.Meanwhile during epidemic disaster is adjusted, the discharge pipe in erosion device is controlled, to strengthen in erosion device
Cross-ventilation.
Epidemic disaster in step 3, weighing apparatus erosion device.After erosion device reaches the epidemic disaster value of setting, high pressure gas is opened
Potential source, high pressure pneumatic supply provide air-flow and flow through discharge pipe to spray gun.Pressure is measured by pressure-detecting device, if having with setting value
Gap then adjusts pressure maintaining valve to setting value.Air-flow flow through spray gun formed negative pressure, the grains of sand can directly from storage sand material case under sand with
Air-flow is ejected to test fan blade surface by spray gun.Storing up the grains of sand grain diameter size placed in sand material case can be according to setting value
It places, i.e. sandy environment radius.During experiment, wind speed detection device can acquire grains of sand wind speed in erosion case in erosion device, and
It is compared with setting value, wind speed regulating valve and lower husky adjustable valve, i.e. dust storm erosion speed is adjusted if not meeting.Experimental implementation
Person can pass through glass window observation experiment process.
After step 4 erosive wear is tested, grains of sand recycling is carried out.The grains of sand grains of sand recycled in Rose Box upper box return
It receives and utilizes, the grains of sand in lower box are handled.
To sum up, the present invention provides the dust storm erosion abrasion test device and its test method of a kind of Fan blade material,
The experimental rig can conveniently simulate the true environment of Fan blade material dust storm erosive wear in laboratory, can be used for grinding
Study carefully wind turbine blade flushing corrosion wear mechanism under simulation high temperature, low temperature, high humidity environment, realized effectively by adjusting parameters research
Safeguard procedures, so as to improve fan blade service life and wind-power electricity generation conversion ratio.
The present invention can also have other embodiment, the change that is carried out under without departing substantially from spirit of the invention and its real situation and
Deformation should all belong to the protection domain of the claims in the present invention.
Claims (10)
1. the dust storm erosion abrasion test device of Fan blade material, including speed adjusting module, for husky module, temperature and humidity adjustment
Module, erosion module and grains of sand recycling module, it is characterised in that：The grains of sand pass through by being formed for husky module with speed adjusting module
Dust storm feeding mechanism, enter to the erosion module in erosion case, in erosion module fan blade carry out erosive wear, institute
Temperature and humidity adjustment module is stated for control to be adjusted to the humiture in erosion module；The grains of sand retracting device is placed in erosion
The lower section of module；
The erosion module includes experiment supporting table, sensor assembly, glass window, discharge pipe；The experiment supporting table packet
It includes containing the first baffle and second baffle being vertically fixedly mounted, for fixing fan blade；First baffle passes through bearing and branch
Support is connected, and impact angle is adjusted；Supporting rack is fixed on erosion bottom；The sensor assembly includes detecting erosion case
The wind speed detection device of wind speed, for detecting the temperature sensor of erosion case temperature value, for detecting erosion case humidity
Humidity sensor；The discharge pipe is used to balance air pressure in erosion case；The glass window is set to erosion case side wall.
2. the dust storm erosion abrasion test device of Fan blade material according to claim 1, it is characterised in that：The wind
Fast adjustment module includes air compressor, wind speed regulating valve, discharge pipe and pressure maintaining valve, the output connection wind speed tune of air compressor
Valve, the output connection discharge pipe of wind speed regulating valve are saved, the wind of discharge pipe enters Spray Gun Of The Pressure after pressure maintaining valve.
3. the dust storm erosion abrasion test device of Fan blade material according to claim 1, it is characterised in that：The confession
Husky module includes storing up sand material case, and the storage sand material case lower end is equipped with lower husky adjustable valve, and lower sand adjustable valve is with sending sand tube one end
It is connected, the sand tube other end is sent to be connected to Spray Gun Of The Pressure.
4. the dust storm erosion abrasion test device of Fan blade material according to claim 1, it is characterised in that：The temperature
Moisture adjustment module includes heating module, refrigeration module, humidification module, dehumidifier module, this four modules pass through control circuit
It is connected with host computer.
5. the dust storm erosion abrasion test device of Fan blade material according to claim 1, it is characterised in that：The sand
Upper box, filter layer, lower box are provided in grain recycling module, the filter layer has the through-hole of uniform Pinhole-shaped.
6. the dust storm erosion abrasion test device of Fan blade material according to claim 1, it is characterised in that：The punching
It is 15 °, 30 °, 45 °, 60 ° and 90 ° to lose angle experiments setting value.
7. the dust storm erosion abrasion test device of Fan blade material according to claim 2, it is characterised in that：It is described steady
Pressure-detecting device is connected between pressure valve and Spray Gun Of The Pressure.
8. the dust storm erosion abrasion test device of Fan blade material according to claim 5, it is characterised in that：The mistake
Filtering layer can be replaced according to particle radius.
9. the dust storm erosion resistance tests method of Fan blade material, using device described in claim 1, it is characterised in that should
Method has：
Fan blade material is placed in experiment supporting table by step 1, and first baffle contacts solid with Fan blade material side
Fixed, second baffle contacts fixation with Fan blade material bottom；Bearing is adjusted to the angle of setting；
Step 2, sensor assembly acquire the epidemic disaster in erosion case, by collected epidemic disaster value and setting epidemic disaster
Parameter is compared, and will be compared and is differentiated that result exports and gives temperature and humidity adjustment module, carries out epidemic disaster adjusting；Meanwhile it is adjusting
During epidemic disaster, erosion mould discharge pipe in the block is controlled, to strengthen the cross-ventilation in erosion case, is balanced in erosion case
Epidemic disaster；
Step 3, after erosion case reaches the epidemic disaster value of setting, open speed adjusting module in high pressure pneumatic supply, high pressure gas
Potential source provides the spray gun in air-flow to dust storm feeding mechanism；Air-flow flows through spray gun and forms negative pressure, the grains of sand provided for husky module
Fan blade surface is tested as air-flow is ejected to by spray gun；
After step 4, erosion resistance tests, grains of sand recycling is carried out by grains of sand recycling module.
10. the dust storm erosion resistance tests method of Fan blade material, it is characterised in that：
When erosion the temperature inside the box higher than setting temperature when, by host computer start temperature and humidity adjustment mould refrigeration module in the block into
Row refrigeration is handled to set temperature numerical value；
When erosion the temperature inside the box less than setting temperature when, by host computer start temperature and humidity adjustment mould heating module in the block into
Row heats to set temperature numerical value；
When in erosion case humidity less than setting humidity when, by host computer start temperature and humidity adjustment mould humidity module in the block into
Row humidification process is to setting humidity；
When in erosion case humidity higher than setting humidity when, by host computer start temperature and humidity adjustment mould dehumidifier module in the block into
Row dehumidification treatments are to setting humidity.
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| CN201810132695.7A CN108195749A (en) | 2018-02-09 | 2018-02-09 | The dust storm erosion abrasion test device and its test method of Fan blade material |
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| CN109738350A (en) * | 2019-01-24 | 2019-05-10 | 沈阳工程学院 | A kind of blowing sand and the experimental rig of resistance to rain based on microtechnic |
| CN110160946A (en) * | 2019-05-24 | 2019-08-23 | 国网浙江省电力有限公司电力科学研究院 | A kind of depth peak regulation turbine blade erosion test system and its test method |
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