CN112082927A - In-situ corrosion environment test device for X-ray imaging - Google Patents
In-situ corrosion environment test device for X-ray imaging Download PDFInfo
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- 230000007797 corrosion Effects 0.000 title claims abstract description 76
- 238000005260 corrosion Methods 0.000 title claims abstract description 76
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 56
- 238000003384 imaging method Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 218
- 238000003860 storage Methods 0.000 claims abstract description 49
- 238000011068 loading method Methods 0.000 claims abstract description 39
- 230000007613 environmental effect Effects 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 150000002500 ions Chemical class 0.000 description 32
- 238000001914 filtration Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005469 synchrotron radiation Effects 0.000 description 1
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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Abstract
The invention discloses an in-situ corrosion environment test device for X-ray imaging, which comprises: the corrosive liquid circulation loop comprises a liquid storage tank, a circulating pump, a liquid inlet filter, a pressure pump, an energy accumulator, a heater, a flowmeter, a thermometer, a back pressure valve, a liquid outlet filter and a connecting pipeline which are connected in sequence; the in-situ corrosion loading device comprises an actuator, a frame, a load sensor, a pull rod, an environment kettle, a clamp, a rotating mechanism, a liquid inlet base and a liquid outlet base; the in-situ corrosion loading device is arranged in the corrosion liquid circulation loop; the device is used with X-ray imaging equipment. The method achieves the effect of observing the complete process of the crack generated in the corrosive liquid environment of the sample in real time, and has positive significance for the research on the crack size, the crack growth rate and the crack growth mechanism.
Description
Technical Field
The invention relates to the field of material tests, in particular to an in-situ corrosion environment test device for X-ray imaging.
Background
Currently, for the research of corrosion cracks, it is generally required to intercept a part of a sample of a corrosion sample, and perform two-dimensional imaging on the part of the sample by using an optical microscope and an electron microscope, or perform three-dimensional imaging on the intercepted sample by using a synchrotron radiation X-ray or an industrial CT. However, since these methods usually observe the formed corrosion cracks, the growth process of the corrosion cracks cannot be observed in real time, and it is difficult to evaluate and study the growth mechanism, size change, growth rate, etc. of the cracks.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an in-situ corrosion environment testing device for X-ray imaging, which provides a circulating corrosive liquid environment for an in-situ corrosion loading device by designing a corrosive liquid circulating loop, wherein a sample to be detected is arranged in the in-situ corrosion loading device, and a certain load is applied to the sample by a mechanical loading part, so that the complete process of corrosion crack growth can be detected by matching with X-ray imaging equipment.
The invention is realized by the following technical scheme:
an in-situ corrosion environment testing apparatus for X-ray imaging, comprising: the corrosive liquid circulation loop comprises a liquid storage tank, a circulating pump, a liquid inlet filter, a pressure pump, an energy accumulator, a heater, a flowmeter, a thermometer, an in-situ corrosion loading device, a back pressure valve, a liquid outlet filter and a connecting pipeline which are connected in sequence; wherein the liquid outlet filter is also connected with the liquid storage tank to form a loop; the in-situ corrosion loading device comprises an actuator, a frame, a load sensor, a pull rod, an environment kettle, a clamp, a rotating mechanism, a liquid inlet base and a liquid outlet base; the actuator is arranged outside the frame, the output end of the actuator is connected with the load sensor, the two ends of the environment kettle are respectively connected with the pull rod, the pull rod at one end is connected with the load sensor, the pull rod at the other end is connected with the rotating mechanism, and the rotating mechanism is simultaneously connected with the frame; the clamp is connected in the environment kettle and used for clamping a sample to be detected; the liquid inlet base and the liquid outlet base are arranged on the environment kettle and are communicated with the interior of the environment kettle; the in-situ corrosion loading device is arranged in the corrosion liquid circulation loop, the liquid inlet base is connected with the thermometer through a liquid inlet pipeline, and the liquid outlet base is connected with the back pressure valve through a liquid outlet pipeline.
Further, the in-situ corrosion loading device also comprises a centering device; the centering device is connected to the other side, opposite to the clamp, of the pull rod, and the clamp, the pull rod and the centering device are coaxially arranged.
Furthermore, the in-situ corrosion loading device also comprises two sections of corrugated pipes; two ends of one section of the corrugated pipe are respectively connected with one pull rod and the liquid inlet base; two ends of the other section of corrugated pipe are respectively connected with the other pull rod and the liquid outlet base.
Further, the in-situ corrosion loading device also comprises a resin sleeve; the resin sleeve is coated on the environmental kettle.
Further, the corrosive liquid circulation loop also comprises a heat exchanger; the two ends of the cold liquid part of the heat exchanger are respectively connected with the energy accumulator and the heater, and the two ends of the hot liquid part of the heat exchanger are respectively connected with the back pressure valve and the in-situ corrosion loading device.
Further, the corrosion liquid circulation loop also comprises an ion filter and an ion detection branch; the ion detection branch comprises an ion detector and an acidity detector; one end of the ion filter is connected with the liquid outlet end of the liquid outlet filter, and the other end of the ion filter is connected with the liquid storage tank; one end of the ion detector is connected with the liquid inlet filter, the other end of the ion detector is connected with the acidity detector, and the other end of the acidity detector, which is opposite to the ion detector, is connected with the ion filter.
Furthermore, the two ends of the ion filter are respectively connected with a first stop valve and a second stop valve, the ion filter is further connected with a bypass in parallel, a bypass valve is arranged on the bypass, one end of the bypass valve is connected with the liquid inlet end of the first stop valve, and the other end of the bypass valve is connected with the liquid outlet end of the second stop valve.
Further, the corrosive liquid circulation loop also comprises a spray header, and the spray header is connected with the liquid outlet end of the second stop valve and the liquid outlet end of the bypass valve and is fixedly arranged at the top of the liquid storage tank.
Further, the liquid storage tank is also simultaneously connected with a liquid adding device, a gas filling device, a gas-liquid filter and a liquid discharging valve; the liquid adding device comprises a liquid adding port and a liquid adding stop valve, and the liquid adding port, the liquid adding stop valve and the liquid storage tank are sequentially connected; the gas filling device comprises a gas storage tank, and the gas storage tank is connected with the liquid storage tank; the gas-liquid filter is simultaneously connected with the liquid feeding stop valve, the gas storage tank and the circulating pump; the liquid discharging valve is arranged at the bottom of the liquid storage tank.
Further, the liquid storage tank is also provided with a pressure adjusting device; the pressure adjusting device comprises a pressure gauge, a gas purifier and a gas outlet stop valve; the pressure gauge is connected with the liquid storage tank, the air outlet stop valve is connected with the top of the liquid storage tank, and the gas purifier is connected with the air outlet stop valve.
Compared with the prior art, the invention can achieve the following beneficial effects: the corrosion liquid circulation loop is arranged to continuously provide a high-pressure and high-temperature corrosion liquid environment for the in-situ corrosion loading device, and a certain load is applied to the sample through the actuator, so that the sample generates corrosion cracks, and the device is suitable for various samples such as compact tensile samples, thin plate single-slit samples and rod-shaped samples; meanwhile, the change of the corrosion environment can be detected in real time, and the condition of the corrosive liquid can be controlled. In the process, the rotating mechanism drives the sample to rotate for 360 degrees, the X-ray generator is matched with the X-ray emitted by the X-ray generator to penetrate through the sample and then the X-ray is received by the imaging detector, three-dimensional imaging inside the sample is obtained, the effect of observing the complete process of the crack generated in the corrosive liquid environment by the sample in real time is achieved, and the three-dimensional imaging device has positive significance for research on crack size, crack growth rate and crack growth mechanism.
Drawings
FIG. 1 is a schematic diagram of an environment in which an in-situ corrosion loading apparatus is used;
FIG. 2 is a schematic view showing the connection of an etching liquid circulation circuit;
FIG. 3 is a front view of the in situ corrosion loading apparatus;
FIG. 4 is a top view of the in situ corrosion loading apparatus;
FIG. 5 is a right side view of the in situ etch loading apparatus.
In the figure: 10. a liquid storage tank; 20. a circulation pump; 30. a liquid inlet filter; 40. a pressure pump; 50. an accumulator; 60. a heater; 70. a flow meter; 80. a thermometer; 90. a back pressure valve; 100. a liquid outlet filter; 110. an in-situ corrosion loading device; 111. an actuator; 112. a frame; 113. a load sensor; 114. a pull rod; 115. an environmental kettle; 116. a clamp; 117. a rotation mechanism; 118. a liquid inlet base; 119. a liquid outlet base; 1110. a centering device; 1111. a bellows; 1112. a resin sleeve; 120. an X-ray generator; 130. an imaging detector; 140. a sample; 150. a heat exchanger; 160. an ion filter; 170. an ion detector; 180. an acidity detector; 190. a first shut-off valve; 200. a second stop valve; 210. a bypass valve; 220. a shower head; 230. a liquid filling port; 240. a liquid feeding stop valve; 250. a gas storage tank; 260. a gas-liquid filter; 270. a tapping valve; 280. a pressure gauge; 290. a gas purifier; 300. an air outlet stop valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The invention discloses an in-situ corrosion environment testing device for X-ray imaging, which comprises a corrosion liquid circulation loop. Referring to fig. 2, the corrosive liquid circulation loop is used for providing a continuous high-pressure high-temperature corrosive liquid environment for a sample 140, and includes a liquid storage tank 10, a circulation pump 20, a liquid inlet filter 30, a pressure pump 40, an energy accumulator 50, a heater 60, a flow meter 70, a thermometer 80, an in-situ corrosion loading device 110, a back pressure valve 90, a liquid outlet filter 100, and corresponding connecting pipelines connecting the above components, which are connected in sequence; meanwhile, the liquid outlet filter 100 is also connected with the liquid storage tank 10 to form a complete liquid circulation loop. The liquid storage tank 10 is used for storing corrosive liquid, the circulating pump 20 is used for pumping the liquid in the tank, and the liquid inlet filter 30 is used for filtering impurities in the pumped liquid; the pressurizing pump 40 pumps the liquid sent by the circulating pump 20 and pumps the liquid into the in-situ corrosion loading device 110; the accumulator 50 is used to balance the pressure fluctuations of the fluid in the pipeline; the heater 60 is used for heating the corrosive liquid; the flow meter 70 and the thermometer 80 are used to detect the liquid flow rate and the liquid temperature, respectively, so that the control pressure of the pressurizing pump 40 and the control temperature of the heater 60 can be adjusted according to the detection results; the sample 140 is filled in the in-situ corrosion loading device 110, the high-pressure high-temperature corrosion liquid is input into the in-situ corrosion loading device 110 and then flows out, and passes through the backpressure valve 90, and the backpressure valve 90 is used for maintaining the liquid pressure in the in-situ corrosion loading device 110; the liquid outlet filter 100 is used for filtering impurities in the liquid loaded by in-situ corrosion, and the filtered liquid enters the liquid storage tank 10 again to complete circulation.
Referring to fig. 3-5, the in-situ corrosion loading device 110 is used for clamping a sample 140 and applying a load to the sample 140, and includes an actuator 111, a frame 112, a load sensor 113, a pull rod 114, an environmental kettle 115, a clamp 116, a rotating mechanism 117, a liquid inlet base 118, and a liquid outlet base 119. An actuator 111 is disposed outside the frame 112 for applying a controlled force to the sample 140; the actuator 111 is arranged outside the frame 112, the output end of the actuator is connected with the load sensor 113, and the load sensor 113 can detect the load output by the actuator 111; the environment kettle 115 is arranged in the frame 112, two ends of the environment kettle are respectively connected with a pull rod 114, the pull rod 114 at one end is connected with the load sensor 113, the pull rod 114 at the other end is connected with the rotating mechanism 117, the rotating mechanism 117 is connected in the frame 112, the rotating mechanism 117 is used for driving the environment kettle 115 to rotate, and a motor or an air cylinder with a proper model can be specifically selected. The environmental chamber 115 has a receiving cavity therein, and a holder 116 is installed therein, the holder 116 holding a sample 140. The liquid inlet base 118 and the liquid outlet base 119 are arranged on the environment kettle 115 and are communicated with an accommodating cavity in the environment kettle 115, the liquid inlet base 118 is connected with the thermometer 80 of the corrosive liquid circulation loop through a liquid inlet pipeline, and the liquid outlet base 119 is connected with the back pressure valve 90 of the corrosive liquid circulation loop through a liquid outlet pipeline.
Corrosive liquid in the corrosive liquid circulation loop flows into the environment kettle 115 through a small hole at the bottom of the liquid inlet base 118 and fills the accommodating cavity inside the environment kettle 115, so that the sample 140 is completely placed in a corrosive liquid environment; the corrosive liquid flows out of the environmental kettle 115 through a small hole at the bottom of the liquid outlet base 119 and flows into a loop pipeline.
Referring to fig. 1, the device is used in cooperation with an X-ray generator 120 and an imaging detector 130, the X-ray generator 120 and the imaging detector 130 are respectively arranged at two sides of an in-situ corrosion loading device 110, when corrosive liquid is filled in an environment kettle 115, an actuator 111 applies a certain load to a sample 140 through a pull rod 114, and X-rays generated by the X-ray generator 120 penetrate through the sample 140 and are received by the imaging detector 130, so that the sample 140 is imaged; after each image is formed, the environmental kettle 115 rotates by a certain angle for the next image, and after the environmental kettle 115 rotates by 360 degrees, a plurality of images can be calculated through software to obtain the three-dimensional image inside the sample 140, so that the complete process of corrosion crack growth can be observed.
It should be noted that the X-ray generator 120 and the imaging detector 130 are used together, and are commercially available devices, which are not in the scope of the improvement of the present invention, and therefore, the structure and the imaging principle thereof will not be described in detail.
The environmental chamber 115 is specifically a cylindrical structure, which ensures that the imaging directions of the X-rays are consistent during the rotation process.
By replacing the corrosive liquid and controlling the hydraulic pressure and temperature, different types of corrosive environments can also be simulated.
Preferably, referring to fig. 3, the in-situ corrosion loading device 110 further includes a centering device 1110, the centering device 1110 is connected to the other side of the pull rod 114 opposite to the clamp 116, and the clamp 116, the pull rod 114, and the centering device 1110 are coaxially disposed. The centering device 1110 is used to adjust the stress on the sample 140 so that the pull rod 114 and the sample 140 are on the same axis, thereby applying a load on the same horizontal axis to both sides of the sample 140. The centering device 1110 may specifically be a centering ring, being an existing component.
Further preferably, the in-situ corrosion loading device 110 further includes two corrugated pipes 1111, two ends of one corrugated pipe 1111 are respectively connected to one pull rod 114 and the liquid inlet base 118, and two ends of the other corrugated pipe 1111 are respectively connected to the other pull rod 114 and the liquid outlet base 119. The corrugated pipe 1111 is installed on the liquid inlet base 118 and the liquid outlet base 119 and connected with the pull rod 114, so that the corrugated pipe 1111 can provide certain flexibility, the centering device 1110 can adjust the stress condition of the sample 140 conveniently, and the pull rod 114 and the sample 140 are located on the same axis.
Preferably, the in-situ corrosion loading device 110 further comprises a resin sleeve 1112, and the resin sleeve 1112 is coated on the environmental kettle 115. The resin sleeve 1112 is made of a resin material, and a good crack imaging effect of the sample 140 can be obtained conveniently by utilizing the weak attenuation coefficient of the plastic material to X-rays.
Preferably, referring to FIG. 2, to reduce energy consumption, the corrosion loop further includes a heat exchanger 150. The two ends of the cold liquid part of the heat exchanger 150 are respectively connected with the energy accumulator 50 and the heater 60, and the two ends of the hot liquid part are respectively connected with the back pressure valve 90 and the in-situ corrosion loading device 110. The low-temperature liquid pumped out from the pressurizing pump 40 firstly passes through the heat exchanger 150 to perform sufficient heat exchange with the high-temperature liquid from the in-situ corrosion loading device 110, and then passes through the heater 60 to enter the in-situ corrosion loading device 110.
Preferably, the etching liquid circulation loop further comprises an ion filter 160 and an ion detection branch comprising an ion detector 170 and an acidity detector 180. One end of the ion filter 160 is connected to the liquid outlet end of the liquid outlet filter 100, and the other end is connected to the liquid storage tank 10, and is used for performing ion filtration on the corrosive liquid; one end of the ion detector 170 is connected to the feed filter 30, the other end is connected to the acidity detector 180, the other end of the acidity detector 180 opposite to the ion detector 170 is connected to the ion filter 160, and the two can be used to detect the acidity and the ion concentration of the liquid pumped by the pressure pump 40, so that the ion filter 160 of an appropriate type can be selected according to the detected value.
More preferably, a first stop valve 190 and a second stop valve 200 are connected to both ends of the ion filter 160; the ion filter 160 is further connected in parallel with a bypass, and a bypass valve 210 is disposed on the bypass, specifically, one end of the bypass valve 210 is connected to the liquid inlet end of the first stop valve 190, and the other end is connected to the liquid outlet end of the second stop valve 200.
When the ion concentration in the liquid needs to be controlled, the bypass valve 210 is closed, the first and second stop valves 190 and 200 are opened, and the ion filter 160 is connected to the circuit and operates. When the ion filtration is not required, the bypass valve 210 is opened, the first and second cutoff valves 190 and 200 are closed, and the etching liquid circulation circuit can operate normally. When the ion filter 160 needs to be replaced to control the concentration of different ions, the ion filter 160 can be replaced by closing the first and second cutoff valves 190 and 200.
Further preferably, the etching liquid circulation circuit further includes a shower head 220. The spray header 220 is connected with the liquid outlet end of the second stop valve 200 and the liquid outlet end of the bypass valve 210, and is fixedly arranged at the top of the liquid storage tank 10. The spray header 220 atomizes the return liquid, and then sprays the atomized liquid into the liquid storage tank 10, so that the liquid and the gas in the tank are fully mixed and fall into the bottom of the tank to accelerate gas-liquid mixing.
Preferably, a liquid filling device, a gas-liquid filter 260 and a liquid discharging valve 270 are connected to the liquid storage tank 10 at the same time. Wherein, the liquid feeding device includes filling opening 230 and liquid feeding stop valve 240, and filling opening 230, liquid feeding stop valve 240, liquid storage tank 10 connect gradually for liquid storage tank 10 adds corrosive liquid, liquid adds the back that finishes, closes liquid feeding stop valve 240. The gas filling device comprises a gas storage tank 250, wherein the gas storage tank 250 is connected with the inside of the liquid storage tank 10, and when gas needs to be mixed in liquid, the gas is filled into the liquid storage tank 10 through the gas storage tank 250. The gas-liquid filtering device is connected to the liquid feeding stop valve 240, the gas storage tank 250 and the circulating pump 20 at the same time, and is used for filtering the liquid and the gas respectively and sending the liquid and the gas out by the circulating pump 20. The tapping valve 270 can be used to tap off all of the liquid in the tank, facilitating the replacement of different types of corrosive liquids.
By doping gas in the corrosion environment, the gas-water mixed corrosion environment can be simulated.
Preferably, the liquid storage tank 10 is further provided with a pressure adjusting device, and the pressure adjusting device comprises a pressure gauge 280, a gas purifier 290 and a gas outlet stop valve 300. The pressure gauge 280 is connected to the liquid storage tank 10 for detecting the pressure of the gas in the tank, and when the gas pressure in the tank is too high, the gas is discharged to the outside through the gas purifier 290 by opening the gas outlet stop valve 300, so as to ensure the composite exhaust standard.
Through the detailed explanation of the above embodiments, it can be understood that the present invention provides a high-pressure and high-temperature corrosive liquid environment for the in-situ corrosion loading device 110 by providing a corrosive liquid circulation loop, and applies a certain load to the sample 140 by the actuator 111, so that the sample 140 generates corrosion cracks, and the present invention is applicable to various samples such as compact tensile samples, thin plate single-slit samples, rod-shaped samples, etc.; meanwhile, the change of the corrosion environment can be detected in real time, and the condition of the corrosive liquid can be controlled. In the process, the rotating mechanism 117 drives the sample 140 to rotate for 360 degrees, and the X-rays emitted by the X-ray generator 120 are received by the imaging detector 130 after penetrating through the sample 140 to obtain three-dimensional imaging inside the sample 140, so that the effect of observing the complete process of the crack generated by the sample 140 in the corrosive liquid environment in real time is achieved, and the method has positive significance for the research of evaluating the size, the growth rate and the crack growth mechanism of the crack.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. An in-situ corrosion environment testing apparatus for X-ray imaging, comprising:
the corrosive liquid circulation loop comprises a liquid storage tank, a circulating pump, a liquid inlet filter, a pressure pump, an energy accumulator, a heater, a flowmeter, a thermometer, an in-situ corrosion loading device, a back pressure valve, a liquid outlet filter and a connecting pipeline which are connected in sequence; wherein the liquid outlet filter is also connected with the liquid storage tank to form a loop;
the in-situ corrosion loading device comprises an actuator, a frame, a load sensor, a pull rod, an environment kettle, a clamp, a rotating mechanism, a liquid inlet base and a liquid outlet base; the actuator is arranged outside the frame, the output end of the actuator is connected with the load sensor, the two ends of the environment kettle are respectively connected with the pull rod, the pull rod at one end is connected with the load sensor, the pull rod at the other end is connected with the rotating mechanism, and the rotating mechanism is simultaneously connected with the frame; the clamp is connected in the environment kettle and used for clamping a sample to be detected; the liquid inlet base and the liquid outlet base are arranged on the environment kettle and are communicated with the interior of the environment kettle;
the in-situ corrosion loading device is arranged in the corrosion liquid circulation loop, the liquid inlet base is connected with the thermometer through a liquid inlet pipeline, and the liquid outlet base is connected with the back pressure valve through a liquid outlet pipeline.
2. The in-situ corrosion environment testing apparatus for X-ray imaging of claim 1, wherein said in-situ corrosion loading apparatus further comprises a centering apparatus; the centering device is connected to the other side, opposite to the clamp, of the pull rod, and the clamp, the pull rod and the centering device are coaxially arranged.
3. The in-situ corrosion environment testing apparatus for X-ray imaging according to claim 2, wherein said in-situ corrosion loading apparatus further comprises two sections of bellows; two ends of one section of the corrugated pipe are respectively connected with one pull rod and the liquid inlet base; two ends of the other section of corrugated pipe are respectively connected with the other pull rod and the liquid outlet base.
4. The in-situ corrosion environment testing apparatus for X-ray imaging of claim 1, wherein said in-situ corrosion loading apparatus further comprises a resin sleeve; the resin sleeve is coated on the environmental kettle.
5. The in situ corrosion environment testing apparatus for X-ray imaging of claim 1, wherein said corrosive liquid circulation loop further comprises a heat exchanger; the two ends of the cold liquid part of the heat exchanger are respectively connected with the energy accumulator and the heater, and the two ends of the hot liquid part of the heat exchanger are respectively connected with the back pressure valve and the in-situ corrosion loading device.
6. The in situ corrosion environment testing apparatus for X-ray imaging of claim 1, wherein said corrosive liquid circulation loop further comprises an ion filter and an ion detection branch; the ion detection branch comprises an ion detector and an acidity detector; one end of the ion filter is connected with the liquid outlet end of the liquid outlet filter, and the other end of the ion filter is connected with the liquid storage tank; one end of the ion detector is connected with the liquid inlet filter, the other end of the ion detector is connected with the acidity detector, and the other end of the acidity detector, which is opposite to the ion detector, is connected with the ion filter.
7. The in-situ corrosion environment testing device for X-ray imaging according to claim 6, wherein a first stop valve and a second stop valve are respectively connected to two ends of the ion filter, the ion filter is further connected in parallel with a bypass, a bypass valve is arranged on the bypass, one end of the bypass valve is connected to the liquid inlet end of the first stop valve, and the other end of the bypass valve is connected to the liquid outlet end of the second stop valve.
8. The in-situ corrosion environment testing device for X-ray imaging of claim 7, wherein the corrosive liquid circulation loop further comprises a spray header, and the spray header is connected with the liquid outlet end of the second stop valve and the liquid outlet end of the bypass valve and is fixedly arranged at the top of the liquid storage tank.
9. The in-situ corrosion environment testing device for X-ray imaging of claim 1, wherein a liquid adding device, a gas-liquid filter and a liquid discharging valve are simultaneously connected to the liquid storage tank; the liquid adding device comprises a liquid adding port and a liquid adding stop valve, and the liquid adding port, the liquid adding stop valve and the liquid storage tank are sequentially connected; the gas filling device comprises a gas storage tank, and the gas storage tank is connected with the liquid storage tank; the gas-liquid filter is simultaneously connected with the liquid feeding stop valve, the gas storage tank and the circulating pump; the liquid discharging valve is arranged at the bottom of the liquid storage tank.
10. The in-situ corrosion environment testing apparatus for X-ray imaging according to claim 1, wherein said liquid storage tank is further provided with a pressure adjustment device; the pressure adjusting device comprises a pressure gauge, a gas purifier and a gas outlet stop valve; the pressure gauge is connected with the liquid storage tank, the air outlet stop valve is connected with the top of the liquid storage tank, and the gas purifier is connected with the air outlet stop valve.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189000A (en) * | 2021-05-06 | 2021-07-30 | 潍柴动力扬州柴油机有限责任公司 | Diesel engine cylinder body crack detection equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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