CN111982792A - Long service life's dry damp and hot salt fog corrosion test case - Google Patents
Long service life's dry damp and hot salt fog corrosion test case Download PDFInfo
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- CN111982792A CN111982792A CN202010629372.6A CN202010629372A CN111982792A CN 111982792 A CN111982792 A CN 111982792A CN 202010629372 A CN202010629372 A CN 202010629372A CN 111982792 A CN111982792 A CN 111982792A
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- 150000003839 salts Chemical class 0.000 title claims abstract description 85
- 238000012360 testing method Methods 0.000 title claims abstract description 85
- 238000005260 corrosion Methods 0.000 title claims abstract description 84
- 230000007797 corrosion Effects 0.000 title claims abstract description 73
- 239000007921 spray Substances 0.000 claims abstract description 48
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims description 45
- 239000012267 brine Substances 0.000 claims description 42
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 42
- 238000003756 stirring Methods 0.000 claims description 33
- 238000009413 insulation Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 2
- 230000002262 irrigation Effects 0.000 claims description 2
- 238000003973 irrigation Methods 0.000 claims description 2
- 239000012266 salt solution Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 230000004087 circulation Effects 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 47
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 14
- 239000011780 sodium chloride Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 239000010410 layer Substances 0.000 description 10
- 238000004088 simulation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000003595 mist Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005406 washing 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
- G01N17/002—Test chambers
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Abstract
The invention relates to the technical field of salt spray corrosion tests and discloses a dry, wet and hot salt spray corrosion test box with long service life. This long service life's dry damp and hot salt fog corrosion test case, when atomizer and box electrothermal tube simultaneous working, can provide a damp and hot salt fog corrosion environment, when high power fan and box electrothermal tube simultaneous working, atomizer pause work, the inside steam evaporation of box electrothermal tube heating, lift the sealed board through electric putter shrink, the rethread high power fan is bloied and is taken away steam from the experimental box of ventilation net discharge, can provide a dry salt fog corrosion environment, when only atomizer sprays, the cooperation high power fan blows breeze a little, can provide a simple salt fog corrosion environment, control these three kinds of environment circulation of programmable controller and go on, more press close to real outdoor environment.
Description
Technical Field
The invention relates to the technical field of salt spray corrosion tests, in particular to a dry, wet and hot salt spray corrosion test box with long service life.
Background
The salt spray corrosion test box can simultaneously test the salt spray corrosion resistance of certain products by testing the salt spray corrosion resistance of materials and protective layers thereof and comparing the process quality of similar protective layers, the product is suitable for salt spray corrosion tests of parts, electronic elements, protective layers of metal materials and industrial products, the salt spray test box detects the corrosion resistance reliability of tested samples respectively by adopting a salt spray corrosion mode, and salt spray refers to a dispersion system formed by salt-containing micro liquid drops in the atmosphere and is one of artificial environment series.
The existing salt spray corrosion equipment is only simple to carry out salt spray corrosion on a tested sample, for example, the salt spray corrosion test method and equipment under the condition of constant tension of Chinese patent CN 103630485B have the advantage of high accuracy of the salt spray corrosion test of a metal plate, but the equipment is only simple to detect the salt spray corrosion resistance of the metal plate, the simple salt spray corrosion cannot well simulate the outdoor environment, the salt spray corrosion can damage the equipment per se and influence the service life of a corrosion box, and therefore the dry, wet and hot salt spray corrosion test box with long service life is provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the dry, wet and hot salt spray corrosion test box with long service life, which has the advantages of long service life, good salt spray corrosion simulation effect and the like, and solves the problem that the existing salt spray corrosion test box simply simulates poor salt spray corrosion effect.
(II) technical scheme
In order to achieve the purposes of long service life and good salt spray corrosion simulation effect, the invention provides the following technical scheme: a dry damp-heat salt fog corrosion test box with long service life comprises a test box body, wherein a conveying pipe is fixedly connected to the right side of the test box body, an atomizing spray head is fixedly connected to the left end of the conveying pipe, a booster pump is fixedly connected to the bottom end of the conveying pipe, a brine tank is fixedly connected to the right side of the booster pump, a brine electric heating pipe is fixedly connected to the inner side of the brine tank, a stirring motor is fixedly connected to the top of the brine tank, a stirring paddle is fixedly connected to an output shaft of the stirring motor, a temperature sensor is fixedly connected to the inner side of the brine tank, an electric heating controller is fixedly connected to the right side of the brine tank, an anti-corrosion layer is fixedly connected to the inner side wall of the test box body, two box body electric heating pipes are fixedly connected between the front side wall and the rear side wall, the inboard fixedly connected with temperature humidity transducer of experimental box, the left side fixedly connected with high power fan of experimental box, the right side fixedly connected with baffle of high power fan, the top of experimental box articulates there is the apron, the ventilation hole has been seted up at the top of apron, the inboard fixedly connected with ventilation net in ventilation hole, the top of apron articulates there is electric putter, the inboard of ventilation hole articulates there is the closing plate, the bottom fixedly connected with check valve of experimental box, the bottom fixedly connected with collecting box of check valve, the left side fixedly connected with drain pipe of collecting box, the left side fixedly connected with pipe of watering of collecting box, the inboard fixedly connected with screen cloth of experimental box, the left side fixedly connected with programmable controller of experimental box.
Preferably, the left end of the conveying pipe penetrates through the test box body and extends to the inner side of the test box body.
Preferably, the output end of the electric push rod is hinged with the cover plate, and the cover plate is hinged with the electric push rod through a support.
Preferably, the left side of the high-power fan is fixedly connected with a dustproof net, the screen is located below the heat insulation plate, and the heat insulation plate is arc-shaped.
Preferably, the two heat insulation plates are respectively positioned at the left side and the right side of the electric heating tubes of the two box bodies, and the left ends of the irrigation pipe and the drain pipe are fixedly connected with valves.
Preferably, the closing plate is tightly attached to the closing plate, and the top of the brine tank is in threaded connection with a plug.
Preferably, the stirring paddle is positioned on the inner side of the brine tank, the cover plate is a transparent plate, and transparent glass is fixedly connected to the front side and the back side of the test box body.
Preferably, the output end of the temperature and humidity sensor is electrically connected with the input end of the programmable controller, and the input ends of the box electric heating tube, the atomizing spray head, the booster pump, the electric push rod and the high-power fan are electrically connected with the output end of the programmable controller.
Preferably, the electric heating controller is electrically connected with the brine electric heating pipe, and the test box body is a box body with an opening at the upper end.
(III) advantageous effects
Compared with the prior art, the invention provides a dry hot and humid salt spray corrosion test box with long service life, which has the following beneficial effects:
1. the long-service-life dry damp-heat salt fog corrosion test box drives the stirring paddle to rotate through the stirring motor, the stirring paddle uniformly stirs the salt water in the salt water box, the salt water is controlled to be heated by the electric heating tube of the electric heating controller, the temperature sensor detects the heating temperature, the temperature of the salt water is monitored, the salt water is guaranteed to be fully dissolved and mixed with the water, the salt water is transmitted to the atomizing nozzle through the conveying pipe by the booster pump, the salt water is atomized and sprayed out by the atomizing nozzle, the salt water is prevented from being crystallized easily during heat preservation and stirring, the atomizing effect is good, the heat insulation is realized through the heat insulation plate, the damage to the anti-corrosion layer caused by the electric heating tube of the box body is prevented, the anti-corrosion layer protects the test box body from being corroded, when the test box body is not used, the salt water is discharged into the collection box through the check, the residual saline inside the test box body is evaporated, the inside is kept dry, excessive corrosion is prevented, and the service life of the test box body is prolonged.
2. The dry damp-hot salt spray corrosion test box with long service life is heated by the box electric heating tube, air is blown by the high-power fan, atomized salt water is sprayed by the atomizing nozzle, when the atomizing nozzle and the box electric heating tube work simultaneously, a damp-hot salt spray corrosion environment can be provided, when the high-power fan and the box electric heating tube work simultaneously, the atomizing nozzle stops working temporarily, water vapor in the box electric heating tube is heated to evaporate, the airtight plate is lifted by the contraction of the electric push rod, then the high-power fan blows to take away the water vapor, the water vapor is discharged out of the test box body from the ventilation net, a dry salt spray corrosion environment can be provided, when only the atomizing nozzle sprays, breeze is blown by the high-power fan in a matching manner, a pure salt spray corrosion environment can be provided, the three environments are controlled by the programmable controller to be circulated, the test box is closer to a real outdoor environment, the salt spray corrosion test box has long service life and good salt spray corrosion simulation effect.
Drawings
FIG. 1 is a schematic structural diagram of a dry hot salt spray corrosion test chamber with a long service life according to the present invention;
FIG. 2 is a partial enlarged view of part A of a long-life dry, wet, hot salt-spray corrosion test chamber according to the present invention, shown in FIG. 1.
In the figure: the device comprises a test box body 1, a delivery pipe 2, an atomizing spray head 3, a booster pump 4, a brine tank 5, a brine electric heating pipe 6, a stirring motor 7, a stirring paddle 8, a temperature sensor 9, an electric heating controller 10, an anti-corrosion layer 11, a box body electric heating pipe 12, a heat insulation board 13, a temperature and humidity sensor 14, a high-power fan 15, a baffle 16, a cover plate 17, a vent hole 18, a ventilation net 19, an electric push rod 20, a sealing plate 21, a check valve 22, a collecting box 23, a drain pipe 24, a water filling pipe 25, a screen mesh 26 and a programmable controller 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a dry, damp and hot salt spray corrosion test box with long service life comprises a test box body 1, a conveying pipe 2 is fixedly connected to the right side of the test box body 1, an atomizing nozzle 3 is fixedly connected to the left end of the conveying pipe 2, a booster pump 4 is fixedly connected to the bottom end of the conveying pipe 2, a brine tank 5 is fixedly connected to the right side of the booster pump 4, a brine electric heating pipe 6 is fixedly connected to the inner side of the brine tank 5, a stirring motor 7 is fixedly connected to the top of the brine tank 5, the model of the stirring motor 7 can be SS4201A55A, a stirring paddle 8 is fixedly connected to an output shaft of the stirring motor 7, a temperature sensor 9 is fixedly connected to the inner side of the brine tank 5, the model of the temperature sensor 9 can be PT100, an electric heating controller 10 is fixedly connected to the right side of the brine tank 5, an anti-corrosion layer 11 is fixedly connected to the inner side, two heat insulation plates 13 are fixedly connected between the front side wall and the rear side wall of the test box body 1, the inner side of the test box body 1 is fixedly connected with a temperature and humidity sensor 14, the model of the temperature and humidity sensor 14 can be AHT20, the left side of the test box body 1 is fixedly connected with a high-power fan 15, the model of the high-power fan 15 can be HL32A, the right side of the high-power fan 15 is fixedly connected with a baffle 16, the top of the test box body 1 is hinged with a cover plate 17, the top of the cover plate 17 is provided with a vent hole 18, the inner side of the vent hole 18 is fixedly connected with a ventilation net 19, the top of the cover plate 17 is hinged with an electric push rod 20, the model of the electric push rod 20 can be ANT-25, the inner side of the vent hole 18 is hinged with a sealing plate 21, the bottom, the left side of the collecting box 23 is fixedly connected with a water filling pipe 25, the inner side of the test box 1 is fixedly connected with a screen 26, the left side of the test box 1 is fixedly connected with a programmable controller 27, the model of the programmable controller 27 can be FX2N-16MR-001, a stirring paddle 8 is driven to rotate by a stirring motor 7, the stirring paddle 8 uniformly stirs the brine in the brine box 5, the brine electrothermal tube 6 is controlled to heat by an electric thermal controller 10, a temperature sensor 9 detects the heating temperature, monitors the temperature of the brine to ensure that the salt and the water are fully dissolved and mixed, the brine is transmitted to an atomizing nozzle 3 by a booster pump 4 through a conveying pipe 2, the atomizing nozzle 3 atomizes and sprays the brine, the brine is not easy to crystallize during heat preservation and stirring, the atomizing effect is good, the heat is insulated by a heat insulation board 13, the damage of the electric heating tube 12 to the anti-corrosion layer 11 is, when the test box body 1 is not used, the saline water is discharged into the collecting box 23 through the check valve 22 and then discharged through the drain pipe 24, the water receiving pipe 25 is used for washing the inside of the collecting box 23, the high-power fan 15 is used for blowing air, the box electric heating pipe 12 is used for heating, the residual saline water in the test box body 1 is evaporated, the inside is kept dry, excessive corrosion is prevented, the service life of the test box body 1 is prolonged, the electric heating pipe 12 is used for heating, the high-power fan 15 is used for blowing air, the atomized saline water is sprayed through the atomizing nozzle 3, when the atomizing nozzle 3 and the box electric heating pipe 12 work simultaneously, a damp and hot saline fog corrosion environment can be provided, when the high-power fan 15 and the box electric heating pipe 12 work simultaneously, the atomizing nozzle 3 stops working, the electric heating pipe 12 is used for heating the internal steam to evaporate, the electric push rod 20 is used for contracting and lifting the airtight plate, can provide a dry salt fog corrosion environment, when only atomizer 3 sprayed, the 15 bloies breeze of cooperation high power fan, can provide a pure salt fog corrosion environment, goes on through these three kinds of environment circulations of programmable controller 27 control, more presses close to real outdoor environment, and simulation salt fog corrosion effect is good, this salt fog corrosion test case, long service life, and salt fog corrosion simulation is effectual.
In the present invention, the left end of the feed pipe 2 penetrates the test chamber 1 and extends to the inside of the test chamber 1.
In the invention, the output end of the electric push rod 20 is hinged with the cover plate 17, and the cover plate 17 is hinged with the electric push rod 20 through a bracket.
In the present invention, a dust screen is fixedly connected to the left side of the high power fan 15, the screen 26 is located below the heat insulation plate 13, and the heat insulation plate 13 is shaped like an arc.
In the invention, two heat insulation boards 13 are respectively positioned at the left and right sides of two box electric heating pipes 12, and valves are fixedly connected with the left ends of a water filling pipe 25 and a water discharging pipe 24.
In the present invention, the closing plate 21 is closely attached to the closing plate 21, and the top of the brine tank 5 is screwed with a plug.
In the invention, the stirring paddle 8 is positioned at the inner side of the brine tank 5, the cover plate 17 is a transparent plate, and the front and the back of the test box body 1 are both fixedly connected with transparent glass.
In the invention, the output end of the temperature and humidity sensor 14 is electrically connected with the input end of the programmable controller 27, and the input ends of the box electric heating tube 12, the atomizer 3, the booster pump 4, the electric push rod 20 and the high-power fan 15 are electrically connected with the output end of the programmable controller 27.
In the invention, an electric heating controller 10 is electrically connected with a saline electric heating tube 6, and a test box body 1 is a box body with an opening at the upper end
When the device is used, the stirring paddle 8 is driven to rotate by the stirring motor 7, the stirring paddle 8 uniformly stirs the saline water in the saline water tank 5, the saline water is controlled to be heated by the electric heating controller 10, the temperature sensor 9 detects the heating temperature, the temperature of the saline water is monitored, the salt and the water are guaranteed to be fully dissolved and mixed, the saline water is transmitted to the atomizing nozzle 3 through the conveying pipe 2 by the booster pump 4, the atomizing nozzle 3 atomizes and sprays the saline water, the saline water is prevented from crystallizing easily by heat preservation and stirring, the atomizing effect is good, the box body electric heating pipe 12 is prevented from damaging the anti-corrosion layer 11, the anti-corrosion layer 11 protects the test box body 1 from being corroded, when the test box body 1 is not used, the saline water is discharged into the collecting box body 23 through the check valve 22 and then is discharged through the water discharging pipe 24, the water receiving pipe 25 washes the inside of the collecting box, the box electric heating tube 12 is heated to evaporate residual salt water in the test box 1 to keep the inside dry and prevent excessive corrosion, the service life of the test box 1 is prolonged, the box electric heating tube 12 is used for heating, the high-power fan 15 is used for blowing air, the atomizing nozzle 3 is used for spraying atomized salt water, when the atomizing nozzle 3 and the box electric heating tube 12 work simultaneously, a damp and hot salt mist corrosion environment can be provided, when the high-power fan 15 and the box electric heating tube 12 work simultaneously, the atomizing nozzle 3 stops working, the box electric heating tube 12 is used for heating the evaporation of the water vapor in the box, the electric push rod 20 is used for shrinking and lifting the sealing plate 21, the high-power fan 15 is used for blowing air to take away the water vapor, the water vapor is discharged out of the test box 1 from the ventilation net 19, a dry salt mist corrosion environment can be provided, when only the atomizing nozzle 3 is used for spraying, the, these three kinds of environment circulation of control go on through programmable controller 27, more press close to real outdoor environment, the simulation salt fog corrosion test case, long service life, and salt fog corrosion simulation is effectual.
In conclusion, the stirring motor 7 drives the stirring paddle 8 to rotate, the stirring paddle 8 uniformly stirs the brine in the brine tank 5, the brine electrothermal tube 6 is controlled to heat by the electric controller 10, the temperature sensor 9 detects the heating temperature, monitors the temperature of the brine to ensure that the salt and the water are fully dissolved and mixed, the brine is transmitted to the atomizing nozzle 3 through the conveying pipe 2 by the booster pump 4, the atomizing nozzle 3 atomizes and sprays the brine, the brine is not easy to crystallize during heat preservation and stirring, the spraying and atomizing effect is good, the heat insulation plate 13 insulates heat to prevent the electric heating tube 12 of the tank body from damaging the anti-corrosion layer 11, the anti-corrosion layer 11 protects the test tank body 1 from being corroded, when the test tank body 1 is not used, the brine is discharged into the collecting tank 23 through the check valve 22 and then is discharged through the water discharge pipe 24, the water receiving pipe 25 flushes the interior of the collecting tank 23, the box electrothermal tube 12 heats up, evaporates the inside residual salt solution of experimental box 1, keeps inside dry, prevents excessive corrosion, promotes experimental box 1 life.
Moreover, the salt water is heated by the box electric heating tube 12, air is blown by the high-power fan 15, atomized salt water is sprayed by the atomizing spray head 3, when the atomizing spray head 3 and the box electric heating tube 12 work simultaneously, a damp and hot salt mist corrosion environment can be provided, when the high-power fan 15 and the box electric heating tube 12 work simultaneously, the atomizing spray head 3 stops working, water vapor inside the box electric heating tube 12 is heated and evaporated, the electric push rod 20 contracts to lift the airtight plate 21, then the high-power fan 15 blows to take away the water vapor, the water vapor is discharged out of the test box body 1 from the ventilation net 19, a dry salt mist corrosion environment can be provided, when only the atomizing spray head 3 sprays, breeze is blown by the high-power fan 15, a pure salt mist corrosion environment can be provided, the three environments are controlled by the programmable controller 27 to circulate, the salt mist corrosion simulation is closer to a real outdoor, this salt fog corrosion test case, long service life, and salt fog corrosion simulation effect is good, has solved the simple not good problem of simulation salt fog corrosion effect of current salt fog corrosion test case.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a long service life's dry damp and hot salt fog corrosion test case, includes test box (1), its characterized in that: the right side fixedly connected with conveyer pipe (2) of experimental box (1), the left end fixedly connected with atomizer (3) of conveyer pipe (2), the bottom fixedly connected with booster pump (4) of conveyer pipe (2), the right side fixedly connected with brine tank (5) of booster pump (4), the inboard fixedly connected with salt solution electrothermal tube (6) of brine tank (5), the top fixedly connected with agitator motor (7) of brine tank (5), the output shaft fixedly connected with stirring rake (8) of agitator motor (7), the inboard fixedly connected with temperature sensor (9) of brine tank (5), the right side fixedly connected with electric heat controller (10) of brine tank (5), the inside wall fixedly connected with anti-corrosion coating (11) of experimental box (1), two box electrothermal tubes (12) of fixedly connected with between preceding lateral wall and the back lateral wall of experimental box (1), two heat insulation plates (13) are fixedly connected between the front side wall and the rear side wall of the test box body (1), the inner side of the test box body (1) is fixedly connected with a temperature and humidity sensor (14), the left side of the test box body (1) is fixedly connected with a high-power fan (15), the right side of the high-power fan (15) is fixedly connected with a baffle (16), the top of the test box body (1) is hinged with an apron plate (17), the top of the apron plate (17) is provided with a vent hole (18), the inner side of the vent hole (18) is fixedly connected with a ventilation net (19), the top of the apron plate (17) is hinged with an electric push rod (20), the inner side of the vent hole (18) is hinged with a sealing plate (21), the bottom of the test box body (1) is fixedly connected with a one-way valve (, the left side fixedly connected with drain pipe (24) of collecting box (23), the left side fixedly connected with pipe (25) of watering of collecting box (23), the inboard fixedly connected with screen cloth (26) of test box (1), the left side fixedly connected with programmable controller (27) of test box (1).
2. The dry hot wet salt fog corrosion test chamber of claim 1, wherein: the left end of the conveying pipe (2) penetrates through the test box body (1) and extends to the inner side of the test box body (1).
3. The dry hot wet salt fog corrosion test chamber of claim 1, wherein: the output end of the electric push rod (20) is hinged with the cover plate (17), and the cover plate (17) is hinged with the electric push rod (20) through a support.
4. The dry hot wet salt fog corrosion test chamber of claim 1, wherein: the left side fixedly connected with dust screen of high power fan (15), screen cloth (26) are located the below of heat insulating board (13), and the shape of heat insulating board (13) is circular-arc.
5. The dry hot wet salt fog corrosion test chamber of claim 1, wherein: the two heat insulation plates (13) are respectively positioned at the left side and the right side of the two box electric heating pipes (12), and the left ends of the irrigation pipe (25) and the drain pipe (24) are fixedly connected with valves.
6. The dry hot wet salt fog corrosion test chamber of claim 1, wherein: the closing plate (21) is tightly attached to the closing plate (21), and the top of the brine tank (5) is in threaded connection with a plug.
7. The dry hot wet salt fog corrosion test chamber of claim 1, wherein: stirring rake (8) are located the inboard of brine tank (5), apron (17) are the transparent plate, the equal fixedly connected with transparent glass in front and the back of experimental box (1).
8. The dry hot wet salt fog corrosion test chamber of claim 1, wherein: the output end of the temperature and humidity sensor (14) is electrically connected with the input end of the programmable controller (27), and the input ends of the box electric heating tube (12), the atomizing spray head (3), the booster pump (4), the electric push rod (20) and the high-power fan (15) are electrically connected with the output end of the programmable controller (27).
9. The dry hot wet salt fog corrosion test chamber of claim 1, wherein: the electric heating controller (10) is electrically connected with the brine electric heating pipe (6), and the test box body (1) is a box body with an opening at the upper end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629372.6A CN111982792B (en) | 2020-07-03 | 2020-07-03 | Dry damp and hot salt fog corrosion test box with long service life |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629372.6A CN111982792B (en) | 2020-07-03 | 2020-07-03 | Dry damp and hot salt fog corrosion test box with long service life |
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| CN111982792A true CN111982792A (en) | 2020-11-24 |
| CN111982792B CN111982792B (en) | 2023-07-14 |
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| CN112748061A (en) * | 2020-12-22 | 2021-05-04 | 杭州鹏杰机械制造有限公司 | Corrosion resistance detection device and method for prefabricated part for building |
| CN113102136A (en) * | 2021-04-06 | 2021-07-13 | 北京九州鹏跃科技有限公司 | Salt fog generator device |
| CN117491270A (en) * | 2023-12-27 | 2024-02-02 | 深圳市华捷智胜精密五金机械有限公司 | Hardware part performance detection equipment and technology |
| CN117619460A (en) * | 2024-01-25 | 2024-03-01 | 扬州威特科技有限公司 | Salt fog test box for automobile radiator |
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| CN117619460B (en) * | 2024-01-25 | 2024-04-02 | 扬州威特科技有限公司 | Salt fog test box for automobile radiator |
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