CN107860706B - Vulcanization corrosion test device - Google Patents
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- CN107860706B CN107860706B CN201711391177.9A CN201711391177A CN107860706B CN 107860706 B CN107860706 B CN 107860706B CN 201711391177 A CN201711391177 A CN 201711391177A CN 107860706 B CN107860706 B CN 107860706B
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Abstract
The invention relates to the technical field of corrosion, and discloses a vulcanization corrosion test device which comprises a machine body and a controller arranged on the machine body, wherein a sample chamber and a sulfur steam heating device are arranged in the machine body, the sample chamber comprises a sample chamber body, and a sulfur steam inlet and an exhaust and drainage port which are arranged on the sample chamber body, and the outlet of the sulfur steam heating device is communicated with the sulfur steam inlet through a sulfur steam pipeline; still be equipped with sulphur steam sensor on the sample room body, the output of sulphur steam sensor is connected with the first input end electricity of controller, the first output of controller is connected with sulphur steam heating device's control end electricity, consequently, can detect this internal sulphur steam concentration of sample room through sulphur steam sensor, and feed back the sulphur steam concentration that detects to the controller, through the heating temperature of controller control sulphur steam heating device to sulphur powder, with the sublimation of control sulphur powder, thereby ensure that this internal sulphur steam of sample room keeps certain concentration, with the creep corrosion phenomenon of effective research circuit board sample.
Description
Technical Field
The invention relates to the technical field of corrosion, in particular to a sulfide corrosion test device.
Background
For reasons of human health and environmental protection, the european union has concluded in 2006 month 7 the rohs (restriction of Hazardous substructures) regulation which strictly limits the content of toxic metals in products and heavy metals which affect and destroy the environment. As a result, many manufacturers have begun to develop technologies that are structurally modified from conventional circuit board manufacturing processes. The traditional circuit board production process is to take tin-lead alloy widely used in the circuit board as a material for guaranteeing welding, and because lead is a toxic metal, the existing circuit board mainly adopts a silver-dipping surface treatment technology, and silver replaces the lead alloy; however, since silver is not a very stable metal, the circuit board treated by silver immersion is easily corroded in an environment having a high sulfur content, and causes corrosion products of silver and copper in the circuit board to gradually spread to the periphery of the circuit board, forming a so-called "creep corrosion" phenomenon. When the creep corrosion phenomenon develops to a certain extent, the electronic circuit of the circuit board is short-circuited and broken, so that the electronic equipment fails, and therefore, a vulcanization corrosion test device needs to be researched and developed for systematically researching the creep corrosion phenomenon of the circuit board.
Disclosure of Invention
The invention aims to provide a vulcanization corrosion test device, which is used for effectively researching the creep corrosion phenomenon of a circuit board, so that the creep corrosion of the circuit board is avoided, and further, the electronic equipment is prevented from being out of order.
In order to solve the technical problems, the invention provides a vulcanization corrosion test device, which comprises a machine body and a controller arranged on the machine body, wherein a sample chamber and a sulfur steam heating device are arranged in the machine body, the sample chamber comprises a sample chamber body, and a sulfur steam inlet and an exhaust and drainage port which are arranged on the sample chamber body, and the outlet of the sulfur steam heating device is communicated with the sulfur steam inlet through a sulfur steam pipeline; the sulfur steam heating device is characterized in that a sulfur steam sensor is further arranged on the sample chamber body, the output end of the sulfur steam sensor is electrically connected with the first input end of the controller, and the first output end of the controller is electrically connected with the control end of the sulfur steam heating device.
Preferably, the sulfur steam heating device is further provided with a nitrogen inlet.
As a preferable scheme, a first sulfur steam cooling part is further arranged in the machine body, a first cavity penetrating through the upper surface and the lower surface of the first sulfur steam cooling part is arranged on the first sulfur steam cooling part, the first cavity is sleeved on the sulfur steam pipeline, and a first cooling liquid channel is formed between the inner side wall of the first cavity and the outer side wall of the sulfur steam pipeline; and the first sulfur steam cooling part is provided with a first cooling liquid inlet and a first cooling liquid outlet, the first cooling liquid inlet is communicated with the inlet of the first cooling liquid channel, and the first cooling liquid outlet is communicated with the outlet of the first cooling liquid channel.
Preferably, the sample chamber further comprises a second sulfur vapor cooling component, a second cavity penetrating through the upper surface and the lower surface of the second sulfur vapor cooling component is arranged on the second sulfur vapor cooling component, the second cavity is sleeved on the sulfur vapor pipeline, and a second cooling liquid channel is formed between the inner side wall of the second cavity and the outer side wall of the sulfur vapor pipeline; and a second cooling liquid inlet and a second cooling liquid outlet are formed in the second sulfur vapor cooling part, the second cooling liquid inlet is communicated with the inlet of the second cooling liquid channel, and the second cooling liquid outlet is communicated with the outlet of the second cooling liquid channel.
Preferably, the sample chamber body is further provided with a dry air inlet and a wet air inlet, a dehumidifier and a humidifier are further arranged in the machine body, an outlet of the dehumidifier is communicated with the dry air inlet, and an outlet of the humidifier is communicated with the wet air inlet.
Preferably, the sample chamber body is further provided with a humidity sensor, an output end of the humidity sensor is electrically connected with a second input end of the controller, and a second output end of the controller is electrically connected with a control end of the dehumidifier and a control end of the humidifier respectively.
Preferably, the sample chamber body is further provided with a mixed gas inlet, the sample chamber further comprises a mixed gas component, a mixed gas channel is arranged in the mixed gas component, and an outlet of the mixed gas channel is communicated with the mixed gas inlet; one end of the mixed gas component is provided with a gas inlet, and the gas inlet is communicated with the inlet of the mixed gas channel.
Preferably, a gas concentration detector is arranged on the sample chamber body, an output end of the gas concentration detector is electrically connected with a third input end of the controller, and a third output end of the controller is electrically connected with a control end of the mixed gas component.
As a preferred scheme, a temperature sensor is further arranged on the sample chamber body, a temperature heating device is further arranged in the machine body, the output end of the temperature sensor is electrically connected with the third input end of the controller, and the third output end of the controller is electrically connected with the control end of the temperature heating device.
Preferably, the sample chamber further comprises a stirring device, the stirring device comprises a driving device and a stirring impeller rotatably connected to the driving device, the driving device is connected to the sample chamber body, and the stirring impeller is accommodated in the sample chamber body.
The invention provides a vulcanization corrosion test device, which comprises a machine body and a controller arranged on the machine body, wherein a sample chamber and a sulfur steam heating device are arranged in the machine body, the sample chamber comprises a sample chamber body, and a sulfur steam inlet and an exhaust and drainage port which are arranged on the sample chamber body, and the outlet of the sulfur steam heating device is communicated with the sulfur steam inlet through a sulfur steam pipeline; the sulfur steam heating device is characterized in that a sulfur steam sensor is further arranged on the sample chamber body, the output end of the sulfur steam sensor is electrically connected with the first input end of the controller, and the first output end of the controller is electrically connected with the control end of the sulfur steam heating device. Sulfur steam is generated by a sulfur steam heating device and is delivered into the sample chamber body through a sulfur steam pipeline and a sulfur steam inlet in sequence, so that a vulcanization corrosion test of a circuit board sample placed in the sample chamber body is realized; simultaneously, because the output of sulphur steam sensor is connected with the first input electricity of controller, the first output of controller is connected with sulphur steam heating device's control end electricity, consequently can detect this internal sulphur steam concentration of sample room through sulphur steam sensor, and feed back the sulphur steam concentration that detects to the controller, through the heating temperature of controller control sulphur steam heating device to sulphur powder, with the sublimation of control sulphur powder, thereby ensure that this internal sulphur steam of sample room keeps certain concentration, with the creep corrosion phenomenon of effective research circuit board sample, and then avoid circuit board sample to take place the creep corrosion, thereby provide effectual foundation for avoiding electronic equipment to break down.
Drawings
FIG. 1 is a schematic view of the internal structure of a sulfidation corrosion test apparatus in an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of a sample chamber in an embodiment of the invention.
Wherein, 1, the body; 2. a sample chamber; 21. a sample chamber body; 22. a sulfur steam inlet; 23. an exhaust outlet; 24. a dry air inlet; 25. a humid air inlet; 26. a mixed gas inlet; 27. an exhaust gas outlet; 3. a sulfur steam heating device; 31. a nitrogen inlet; 4. a sulfur vapor line; 5. a sulfur vapor sensor; 6. a first sulfur vapor cooling component; 7. A second sulfur vapor cooling section; 8. a dehumidifier; 9. a humidifier; 10. a humidity sensor; 11. a mixed gas component; 111. a gas inlet; 12. a gas concentration detector; 13. a temperature sensor; 14. a temperature heating device; 15. a stirring device; 151. a drive device; 152. a stirring impeller; 16. an exhaust gas treatment device; 161. an exhaust gas inlet; 162. a water inlet; 17. an exhaust gas conduit; 18. an opening degree control valve.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, the descriptions of the upper, lower, left, right, front, rear, top, bottom, and other orientations are defined with respect to fig. 1, and when the placement manner of the sulfidation corrosion test apparatus is changed, the corresponding orientation descriptions will also be changed according to the change of the placement manner, which is not repeated herein.
Referring to fig. 1 and 2, a sulfidation corrosion test apparatus according to a preferred embodiment of the present invention includes a machine body 1 and a controller disposed on the machine body 1, a sample chamber 2 and a sulfur steam heating device 3 are disposed in the machine body 1, the sample chamber 2 includes a sample chamber body 21, and a sulfur steam inlet 22 and an exhaust outlet 23 disposed on the sample chamber body 21, an outlet of the sulfur steam heating device 3 is communicated with the sulfur steam inlet 22 through a sulfur steam pipe 4; the sulfur steam heating device is characterized in that a sulfur steam sensor 5 is further arranged on the sample chamber body 21, the output end of the sulfur steam sensor 5 is electrically connected with the first input end of the controller, and the first output end of the controller is electrically connected with the control end of the sulfur steam heating device 3.
In the embodiment of the invention, sulfur steam is generated by the sulfur steam heating device 3 and is delivered into the sample chamber body 21 through the sulfur steam pipeline 4 and the sulfur steam inlet 22 in sequence, so as to realize a vulcanization corrosion test of a circuit board sample placed in the sample chamber body 21; simultaneously, because the output of sulphur steam sensor 5 with the first input end electricity of controller is connected, the first output of controller with the control end electricity of sulphur steam heating device 3 is connected, consequently can pass through sulphur steam sensor 5 detects sulphur steam concentration in the sample room body 21 to feed back the sulphur steam concentration that detects to the controller, through the controller control sulphur steam heating device 3 is to the heating temperature of sulphur powder, with the sublimation of control sulphur powder, thereby ensure sulphur steam in the sample room body 21 keeps certain concentration, with effective research the creep corrosion phenomenon of circuit board sample, and then avoid the circuit board sample takes place creep corrosion, thereby provides effectual foundation for avoiding electronic equipment to break down.
In the embodiment of the present invention, it should be noted that the sulfur vapor generation in the embodiment is mainly performed by heating the sulfur powder inside the sulfur vapor heating device 3 to sublimate the sulfur powder, so as to generate the sulfur vapor.
As shown in fig. 1, in order to provide an independent accommodating space for the sample chamber 2 to avoid adverse effects on the sulfidation corrosion test of the circuit board sample in the sample chamber 2, an inner box is disposed in the machine body 1 in this embodiment, and the sample chamber 2 is disposed in the inner box.
As shown in fig. 1, in order to avoid the oxidation reaction between the sulfur powder and the oxygen in the air when the sulfur steam heating device 3 heats the sulfur powder therein, the sulfur steam heating device 3 in this embodiment is further provided with a nitrogen inlet 31. Before the sulfur steam heating device 3 heats the sulfur powder in the sulfur steam heating device, high-purity nitrogen is firstly filled into the sulfur steam heating device 3 in advance through the nitrogen inlet 31 so as to prevent the sulfur powder from reacting with oxygen during heating, thereby avoiding influencing the purity and concentration of the sulfur steam, further avoiding causing adverse effects on a vulcanization corrosion test of a circuit board sample, and further effectively researching the creep corrosion phenomenon of the circuit board sample.
As shown in fig. 1, in order to reduce the temperature of sulfur vapor when the circuit board sample is subjected to a low-temperature sulfidation corrosion test, in this embodiment, a first sulfur vapor cooling component 6 is further disposed in the machine body 1, a first cavity penetrating through upper and lower surfaces of the first sulfur vapor cooling component 6 is disposed on the first sulfur vapor cooling component, the first cavity is sleeved on the sulfur vapor pipe 4, and a first cooling liquid channel is formed between an inner side wall of the first cavity and an outer side wall of the sulfur vapor pipe; and the first sulfur steam cooling part is provided with a first cooling liquid inlet and a first cooling liquid outlet, the first cooling liquid inlet is communicated with the inlet of the first cooling liquid channel, and the first cooling liquid outlet is communicated with the outlet of the first cooling liquid channel. The cooling liquid flows in from the first cooling liquid inlet, flows through the first cooling liquid channel and finally flows out from the first cooling liquid outlet, so that the sulfur steam pipeline 4 accommodated in the first cavity is cooled, the sulfur steam flowing through the sulfur steam pipeline 4 is cooled, and the circuit board sample is ensured to be capable of being subjected to a low-temperature vulcanization corrosion test.
As shown in fig. 1, in order to further reduce the temperature of sulfur vapor when the circuit board sample is subjected to a low-temperature sulfidation corrosion test, the sample chamber 2 in this embodiment further includes a second sulfur vapor cooling component 7, a second cavity penetrating through the upper and lower surfaces of the second sulfur vapor cooling component 7 is disposed on the second sulfur vapor cooling component 7, the second cavity is sleeved on the sulfur vapor pipe 4, and a second cooling liquid channel is formed between the inner side wall of the second cavity and the outer side wall of the sulfur vapor pipe; and a second cooling liquid inlet and a second cooling liquid outlet are formed in the second sulfur vapor cooling part 7, the second cooling liquid inlet is communicated with the inlet of the second cooling liquid channel, and the second cooling liquid outlet is communicated with the outlet of the second cooling liquid channel. After the first sulfur vapor cooling part 6 finishes primary cooling of sulfur vapor, the sulfur vapor flows through the sulfur vapor pipeline 4 accommodated in the second cavity, and since the cooling liquid flows in from the second cooling liquid inlet, flows through the second cooling liquid channel, and finally flows out from the second cooling liquid outlet, the cooling of the sulfur vapor pipeline 4 accommodated in the second cavity is realized, so that secondary cooling of the sulfur vapor flowing through the sulfur vapor pipeline 4 is realized, and the circuit board sample can be further ensured to be subjected to a low-temperature vulcanization corrosion test.
Referring to fig. 1 and 2, in order to adjust the humidity in the sample chamber body 21, in this embodiment, a dry air inlet 24 and a wet air inlet 25 are further disposed on the sample chamber body 21, a dehumidifier 8 and a humidifier 9 are further disposed in the machine body 1, an outlet of the dehumidifier 8 is communicated with the dry air inlet 24, and an outlet of the humidifier 9 is communicated with the wet air inlet 25. When the humidity in the sample chamber body 21 is high, the dehumidifier 8 can charge dry air with a low dew point through the dry air inlet 24 to reduce the humidity in the sample chamber body 21; when the humidity in the sample chamber body 21 is low, the humidifier 9 may fill the humid air with high humidity through the humid air inlet 25 to increase the humidity in the sample chamber body 21, so as to adjust the humidity in the sample chamber body 21, and further ensure that the humidity in the sample chamber 21 is maintained within a certain range.
Referring to fig. 1 and 2, in order to realize real-time control of the humidity in the sample chamber body 21 and ensure that the humidity value in the sample chamber body 21 is maintained at a certain test humidity value, in this embodiment, a humidity sensor 10 is further disposed on the sample chamber body 21, an output end of the humidity sensor 10 is electrically connected to a second input end of the controller, and a second output end of the controller is electrically connected to a control end of the dehumidifier 8 and a control end of the humidifier 9, respectively, so that the humidity in the sample chamber body 21 can be detected by the humidity sensor 10, and the detected humidity is fed back to the controller, the controller controls the dehumidifier 8 to fill dry air into the sample chamber body 2 and controls the humidifier 9 to fill wet air into the sample chamber body 2, so as to ensure that the humidity value in the sample chamber body 21 is maintained at a certain test humidity value, thereby further effectively researching the creep corrosion phenomenon of the circuit board sample.
With reference to fig. 1 and fig. 2, in order to implement a multi-gas comprehensive corrosion test on the circuit board sample, in this embodiment, the sample chamber body 21 further includes a mixed gas inlet 26, the sample chamber 2 further includes a mixed gas component 11, a mixed gas channel is disposed in the mixed gas component 11, and an outlet of the mixed gas channel is communicated with the mixed gas inlet 26; one end of the mixed gas component 11 is provided with a gas inlet 111, and the gas inlet 111 is communicated with the inlet of the mixed gas channel. Different gases are filled into the gas inlet 111, and the gases sequentially flow through the mixed gas channel and the mixed gas inlet 26 and finally enter the sample chamber body 21 to be mixed with sulfur steam, so that the multi-gas comprehensive corrosion test of the circuit board sample is realized, and the creep corrosion phenomenon of the circuit board sample is further effectively researched.
In the embodiment of the present invention, in order to fill different kinds of gases, the gas inlet 21 in this example is multiple, each gas inlet 21 can be filled with one of the gases such as chlorine, nitrogen dioxide, sulfur dioxide and hydrogen sulfide, so as to mix the multiple gases through the multiple gas inlets 21, and the mixed gas is input into the sample chamber body 21 through the mixed gas inlet 26 to be mixed with sulfur vapor.
Referring to fig. 1 and 2, in order to realize real-time control of the concentration of the mixed gas in the sample chamber body 21 and ensure that the concentration of the mixed gas in the sample chamber body 21 is maintained at a certain test concentration value, in this embodiment, a gas concentration detector 12 is disposed on the sample chamber body 21, an output end of the gas concentration detector 12 is electrically connected to a third input end of the controller, and a third output end of the controller is electrically connected to a control end of the mixed gas component 11, so that the concentration of the mixed gas in the sample chamber body 21 can be detected by the gas concentration detector 10, the detected concentration of the mixed gas is fed back to the controller, and the controller controls an opening degree of a control valve of the mixed gas component 11 to control the amount of the mixed gas filled in the sample chamber body 21, therefore, the concentration of the mixed gas in the sample chamber body 21 is ensured to be maintained at a certain test concentration value, and the creep corrosion phenomenon of the circuit board sample is further effectively researched.
In the embodiment of the present invention, in order to detect the concentrations of different gases input from the gas inlet 21, the gas concentration detector 12 in this embodiment is provided with a chlorine probe, a nitrogen dioxide probe, a sulfur dioxide probe, and a hydrogen sulfide probe, so as to detect the concentrations of different gases, such as chlorine, nitrogen dioxide, sulfur dioxide, and hydrogen sulfide.
Referring to fig. 1 and 2, in order to realize real-time control of the temperature in the sample chamber body 21 and ensure that the temperature value in the sample chamber body 21 is maintained at a certain test temperature value, in this embodiment, a temperature sensor 13 is further disposed on the sample chamber body 21, a temperature heating device 14 is further disposed in the machine body 1, an output end of the temperature sensor 13 is electrically connected to a third input end of the controller, and a third output end of the controller is electrically connected to a control end of the temperature heating device 14, so that the temperature in the sample chamber body 21 can be obtained through the temperature sensor 13, the obtained temperature is fed back to the controller, the heating temperature of the temperature heating device 14 is increased or decreased by the controller, and heat is transferred to the inside of the sample chamber body 21 through heat transfer between the box wall of the machine body 1 and the inner box 11 or heat in the inside of the sample chamber body 21 The temperature is led out of the sample chamber body 21 through heat transfer, so that the temperature value in the sample chamber body 21 is ensured to be maintained at a certain test temperature value, and the creep corrosion phenomenon of the circuit board sample is further effectively researched.
Referring to fig. 1 and fig. 2, in order to ensure uniformity of gas concentration and temperature and humidity in the sample chamber body 21, the sample chamber 2 in this embodiment further includes a stirring device 15, the stirring device 15 includes a driving device 151 and a stirring impeller 152 rotatably connected to the driving device 151, the driving device 151 is connected to the sample chamber body 21, and the stirring impeller 152 is accommodated in the sample chamber body 21. The driving device 151 drives the stirring impeller 152 to rotate so as to promote the gas in the sample chamber body 21 to flow to all places in the sample chamber body 21, thereby ensuring the uniformity of the gas concentration and the temperature and humidity in the sample chamber body 21 and further effectively researching the creep corrosion phenomenon of the circuit board sample.
As shown in fig. 1, in order to treat the waste gas and waste water after the sulfidation corrosion test of the circuit board sample, the sulfidation corrosion test apparatus in this embodiment further includes a waste gas treatment apparatus 16, the waste gas treatment apparatus 16 is provided with a waste gas inlet 161 and a water inlet 162, the sample chamber body 21 is further provided with a waste gas outlet 27, the waste gas outlet 27 is communicated with the waste gas inlet 161, and the exhaust outlet 22 is communicated with the water inlet 23, so as to treat the waste gas and waste water after the sulfidation corrosion test of the circuit board sample. Specifically, the exhaust gas outlet 27 in the present embodiment communicates with the exhaust gas inlet 161 through the exhaust gas duct 17.
As shown in fig. 1, in order to control the amount of the exhaust gas entering the exhaust gas treatment device 16, the sulfidation corrosion test device in this embodiment preferably further includes an opening degree control valve 18, the opening degree control valve 18 is connected to the exhaust gas conduit, and the opening degree of the opening degree control valve 18 is adjusted to control the amount of the exhaust gas entering the exhaust gas treatment device 16, so as to ensure that the exhaust gas treatment device 16 can timely and sufficiently treat the exhaust gas.
In conclusion, the invention provides a vulcanization corrosion test device, which comprises a machine body 1 and a controller arranged on the machine body 1, wherein a sample chamber 2 and a sulfur steam heating device 3 are arranged in the machine body 1, the sample chamber 2 comprises a sample chamber body 21, and a sulfur steam inlet 22 and an exhaust and drainage port 23 which are arranged on the sample chamber body 21, and the outlet of the sulfur steam heating device 3 is communicated with the sulfur steam inlet 22 through a sulfur steam pipeline 4; the sample chamber body 21 is also provided with a sulfur steam sensor 4, the output end of the sulfur steam sensor 4 is electrically connected with the first input end of the controller, and the first output end of the controller is electrically connected with the control end of the sulfur steam heating device 3. Sulfur steam is generated by the sulfur steam heating device 3 and is delivered into the sample chamber body 21 through the sulfur steam pipeline 4 and the sulfur steam inlet 22 in sequence, so that the vulcanization corrosion test of a circuit board sample placed in the sample chamber body 21 is realized; simultaneously, because the output of sulphur vapor sensor 4 is connected with the first input end electricity of controller, the first output of controller is connected with sulphur vapor heating device 3's control end electricity, consequently can detect the sulphur vapor concentration in sample room body 21 through sulphur vapor sensor 4, and feed back the sulphur vapor concentration that detects to the controller, through the heating temperature of controller control sulphur vapor heating device 3 to sulphur powder, with the sublimation of control sulphur powder, thereby ensure that the sulphur vapor in the sample room body 21 keeps certain concentration, with the creep corrosion phenomenon of effective research circuit board sample, and then avoid circuit board sample to take place the creep corrosion, thereby provide effectual foundation for avoiding electronic equipment to break down.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A vulcanization corrosion test device is characterized by comprising a machine body and a controller arranged on the machine body, wherein a sample chamber and a sulfur steam heating device are arranged in the machine body, the sample chamber comprises a sample chamber body, and a sulfur steam inlet and an exhaust and drainage port which are arranged on the sample chamber body, and the outlet of the sulfur steam heating device is communicated with the sulfur steam inlet through a sulfur steam pipeline; the sulfur steam heating device is characterized in that a sulfur steam sensor is further arranged on the sample chamber body, the output end of the sulfur steam sensor is electrically connected with the first input end of the controller, the first output end of the controller is electrically connected with the control end of the sulfur steam heating device, an inner box is arranged in the machine body, and the sample chamber is arranged in the inner box;
the sulfur steam heating device is also provided with a nitrogen inlet;
a first sulfur steam cooling part is further arranged in the machine body, a first cavity penetrating through the upper surface and the lower surface of the first sulfur steam cooling part is arranged on the first sulfur steam cooling part, the first cavity is sleeved on the sulfur steam pipeline, and a first cooling liquid channel is formed between the inner side wall of the first cavity and the outer side wall of the sulfur steam pipeline; a first cooling liquid inlet and a first cooling liquid outlet are formed in the first sulfur steam cooling part, the first cooling liquid inlet is communicated with an inlet of the first cooling liquid channel, and the first cooling liquid outlet is communicated with an outlet of the first cooling liquid channel;
the sample chamber further comprises a second sulfur vapor cooling component to achieve secondary cooling of the sulfur vapor flowing through the sulfur vapor conduit;
the sample chamber body is further provided with a dry air inlet and a wet air inlet, a dehumidifier and a humidifier are further arranged in the machine body, an outlet of the dehumidifier is communicated with the dry air inlet, and an outlet of the humidifier is communicated with the wet air inlet.
2. The sulfidation corrosion test device of claim 1, wherein the second sulfur vapor cooling part is provided with a second cavity penetrating through the upper and lower surfaces thereof, the second cavity is sleeved on the sulfur vapor pipeline, and a second cooling liquid channel is formed between the inner side wall of the second cavity and the outer side wall of the sulfur vapor pipeline; and a second cooling liquid inlet and a second cooling liquid outlet are formed in the second sulfur vapor cooling part, the second cooling liquid inlet is communicated with the inlet of the second cooling liquid channel, and the second cooling liquid outlet is communicated with the outlet of the second cooling liquid channel.
3. The sulfidation corrosion testing apparatus of claim 1, wherein a humidity sensor is further disposed on the sample chamber body, an output end of the humidity sensor is electrically connected to a second input end of the controller, and a second output end of the controller is electrically connected to a control end of the dehumidifier and a control end of the humidifier, respectively.
4. The sulfidation corrosion testing apparatus according to any one of claims 1 to 3, wherein the sample chamber body is further provided with a mixed gas inlet, the sample chamber further comprises a mixed gas component, a mixed gas channel is provided in the mixed gas component, and an outlet of the mixed gas channel is communicated with the mixed gas inlet; one end of the mixed gas component is provided with a gas inlet, and the gas inlet is communicated with the inlet of the mixed gas channel.
5. The sulfidation corrosion testing apparatus of claim 4, wherein a gas concentration detector is disposed on the sample chamber body, an output end of the gas concentration detector is electrically connected to a third input end of the controller, and a third output end of the controller is electrically connected to a control end of the mixed gas component.
6. The sulfidation corrosion testing device of any one of claims 1-3, wherein a temperature sensor is further disposed on the sample chamber body, a temperature heating device is further disposed in the housing, an output end of the temperature sensor is electrically connected to a third input end of the controller, and a third output end of the controller is electrically connected to a control end of the temperature heating device.
7. The sulfidation corrosion testing apparatus of any one of claims 1-3, wherein the sample chamber further comprises a stirring device, the stirring device comprising a drive device and a stirring impeller rotatably connected to the drive device, the drive device being connected to the sample chamber body, the stirring impeller being received within the sample chamber body.
8. The sulfidation corrosion testing apparatus according to any one of claims 1 to 3, further comprising an exhaust gas treatment apparatus, wherein the exhaust gas treatment apparatus is provided with an exhaust gas inlet and a water inlet, the sample chamber body is further provided with an exhaust gas outlet, the exhaust gas outlet is communicated with the exhaust gas inlet, and the exhaust drain is communicated with the water inlet.
9. The sulfidation corrosion testing apparatus of claim 8, wherein the off-gas outlet communicates with the off-gas inlet via an off-gas conduit.
10. The sulfidation corrosion testing apparatus of claim 9, further comprising an opening control valve connected to the off-gas conduit.
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| CN112798512A (en) * | 2020-12-29 | 2021-05-14 | 江苏容大材料腐蚀检验有限公司 | High-temperature constant-load stress corrosion testing device |
| CN114324815A (en) * | 2021-12-31 | 2022-04-12 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | High-efficiency accelerated vulcanization comprehensive test device and method thereof |
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| CN103361628A (en) * | 2012-04-01 | 2013-10-23 | 英莱新能（上海）有限公司 | Solar cell substrate selenization and sulfurization reactor |
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