CN214472639U - Metal hydrogen sulfide corrosion test device - Google Patents
Metal hydrogen sulfide corrosion test device Download PDFInfo
- Publication number
- CN214472639U CN214472639U CN202023007554.4U CN202023007554U CN214472639U CN 214472639 U CN214472639 U CN 214472639U CN 202023007554 U CN202023007554 U CN 202023007554U CN 214472639 U CN214472639 U CN 214472639U
- Authority
- CN
- China
- Prior art keywords
- hydrogen sulfide
- reaction kettle
- controller
- pipeline
- sulfide gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to a metal hydrogen sulfide corrosion test device belongs to test equipment technical field. The metal hydrogen sulfide corrosion test device comprises a reaction kettle, a hydrogen sulfide gas supply assembly, a hydrogen sulfide gas tail gas absorption assembly and a temperature control assembly; the reaction kettle is filled with test solution, the upper cover of the reaction kettle is provided with a kettle cover, the reaction kettle is respectively connected with the hydrogen sulfide gas supply assembly and the hydrogen sulfide gas tail gas absorption assembly through pipelines, and the temperature of the reaction kettle is kept constant through the temperature control assembly. The hydrogen sulfide gas is led into the reaction kettle filled with the experimental solution until the hydrogen sulfide saturated solution is formed in the reaction kettle, so that a wet hydrogen sulfide environment is simulated, and the experimental result is close to the actual operation environment of the metal material; the experimental result is ensured to be accurate and effective by changing the experimental solution in the reaction kettle, introducing the concentration of hydrogen sulfide gas and controlling the temperature in the reaction kettle and simulating the metal corrosion condition under different external environmental conditions.
Description
Technical Field
The utility model belongs to the technical field of test equipment, specific theory relates to a metal hydrogen sulfide corrosion test device.
Background
The hydrogen sulfide is a strong neurotoxin, has a strong stimulation effect on mucosa, is easy to threaten the life of people, and can cause great damage to drilling equipment and tools including various coffins. Under normal temperature and pressure, dry hydrogen sulfide has no corrosive damage effect on metal materials, but hydrogen sulfide is dissolved in water to form a wet hydrogen sulfide environment, steel materials are easy to cause corrosive damage in the wet hydrogen sulfide environment, normal operation of equipment is affected, even disastrous accidents are caused, and serious casualties and property loss are caused, so that the control of the corrosive characteristics and the influencing factors of hydrogen sulfide is very necessary.
The influence factors of the hydrogen sulfide on the metal damage include the concentration and the temperature of the hydrogen sulfide, the contact time of the hydrogen sulfide and the like, during the test, the influence factors are continuously changed to simulate the metal corrosion condition under different external conditions, the existing corrosion test device is simple, the temperature in the test process can not be well guaranteed to be constant, the hydrogen sulfide gas leakage is very easy to occur, and the personal safety of testers is damaged.
Disclosure of Invention
In order to solve the problem, the utility model provides a metal hydrogen sulfide corrosion test device. The hydrogen sulfide gas is led into the reaction kettle filled with the experimental solution until the hydrogen sulfide saturated solution is formed in the reaction kettle, so that a wet hydrogen sulfide environment is simulated, and the experimental result is close to the actual operation environment of the metal material; the experimental result is ensured to be accurate and effective by changing the experimental solution in the reaction kettle, introducing the concentration of hydrogen sulfide gas and controlling the temperature in the reaction kettle and simulating the metal corrosion condition under different external environmental conditions.
In order to achieve the above purpose, the utility model is implemented according to the following technical scheme:
the metal hydrogen sulfide corrosion test device comprises a reaction kettle, a hydrogen sulfide gas supply assembly, a hydrogen sulfide gas tail gas absorption assembly, a temperature control assembly, a test cabinet and a controller; the reaction kettle is filled with a test solution, a kettle cover is arranged on the upper cover of the reaction kettle, the reaction kettle is respectively connected with the hydrogen sulfide gas supply assembly and the hydrogen sulfide gas tail gas absorption assembly through pipelines, and the temperature of the reaction kettle is kept constant through the temperature control assembly; the testing cabinet is divided into an upper layer and a lower layer, the lower layer is used for placing a temperature control assembly, the upper layer is used for placing a reaction kettle and a hydrogen sulfide gas tail gas absorption assembly, a linear hydrogen sulfide detection alarm instrument II is arranged in the testing cabinet and is connected with a signal input end of a controller, the top of the testing cabinet is connected with an exhaust fan, a cabinet door is hinged to the side face of the testing cabinet, a touch panel is arranged on the cabinet door, and the touch panel is connected with the controller; the linear hydrogen sulfide detection alarm instrument II is connected with a signal input end of a controller, and a signal output end of the controller is respectively connected with an exhaust fan, a hydrogen sulfide gas supply assembly, a hydrogen sulfide gas tail gas absorption assembly and a temperature control assembly.
Further, the hydrogen sulfide gas supply assembly comprises a storage tank and a hydrogen sulfide gas cylinder; the hydrogen sulfide gas cylinder is arranged in the storage tank through a fixing frame and is connected with the reaction kettle through a pipeline, an electromagnetic valve I and a flow meter are arranged on the pipeline, the pipeline extends into the bottom of the reaction kettle, and the electromagnetic valve I and the flow meter are respectively connected with a signal input end of the controller; the bin lateral wall on be equipped with the chamber door, be equipped with sealed the pad between chamber door and the bin, be equipped with the line formula hydrogen sulfide that is used for detecting hydrogen sulfide gas body in the bin on the chamber door and detect alarm instrument I, line formula hydrogen sulfide detects alarm instrument I and is connected with the alarm lamp that sets up at the bin top.
Preferably, the mount include semicircle ring and iron chain, the middle part and the bin welding of semicircle ring, the one end of semicircle ring and the one end welding of iron chain, the other end of semicircle ring is equipped with the couple.
Furthermore, the temperature control component comprises a water storage tank, a spiral heat conduction pipe, a semiconductor refrigerator and a circulating pump; the water storage tank is internally provided with a temperature sensor I and a heating rod, the water storage tank is connected with a water inlet end of a circulating pump through a pipeline, a water outlet end of the circulating pump is connected with one end of a spiral heat conduction pipe arranged on the inner wall of the reaction kettle through a pipeline, the other end of the spiral heat conduction pipe is connected with one end of a cooling pipeline through a pipeline, a semiconductor refrigerator positioned on the side of the water storage tank is arranged above the cooling pipeline, and the other end of the cooling pipeline is connected with the water storage tank through a pipeline; the semiconductor refrigerator and the circulating pump are respectively connected with the signal output end of the controller, and the signal input end of the controller is respectively connected with a temperature sensor I and a temperature sensor II for detecting the temperature in the reaction kettle.
Preferably, the connecting pipeline from the water storage tank to the spiral heat conduction pipe is wrapped with a heat insulation layer.
Further, the hydrogen sulfide gas tail gas absorption assembly comprises an absorption tower, a PH sensor and an audible and visual alarm, wherein a sodium hydroxide solution is contained in the absorption tower, an upward serpentine channel is formed in the absorption tower through a partition plate, gas introduced from the reaction kettle is introduced from a lower port of the serpentine channel, and gas introduced from an upper port of the serpentine channel is led out; a PH sensor is arranged in the absorption tower and is connected with an audible and visual alarm.
Preferably, the partition board is provided with a division bar.
Preferably, the absorption tower be provided with two at least, be connected with reation kettle through the pipeline respectively, be equipped with solenoid valve II on the connecting tube, solenoid valve II is connected with controller signal output part, controller signal input part is connected with the PH sensor, be equipped with inlet and leakage fluid dram on the absorption tower, the inlet passes through the pipeline and is connected with the change pump.
Further, the bottom of the reaction kettle is provided with a magnetic stirrer, and the magnetic stirrer is connected with a signal output end of the controller.
The utility model has the advantages that:
the hydrogen sulfide gas is led into the reaction kettle filled with the experimental solution until the hydrogen sulfide saturated solution is formed in the reaction kettle, so that a wet hydrogen sulfide environment is simulated, and the experimental result is close to the actual operation environment of the metal material; the experimental result is ensured to be accurate and effective by changing the experimental solution in the reaction kettle, introducing the concentration of hydrogen sulfide gas and controlling the temperature in the reaction kettle and simulating the metal corrosion condition under different external environmental conditions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the utility model;
FIG. 2 is a schematic view of the connection structure of the internal components of the present invention;
FIG. 3 is a schematic sectional view of the reaction vessel of the present invention;
FIG. 4 is a schematic cross-sectional view of an absorption column of the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the spiral heat conduction pipe of the present invention;
FIG. 6 is a schematic view of the water path of the temperature control assembly of the present invention;
fig. 7 is a control block diagram of the present invention;
fig. 8 is a control circuit diagram of the present invention.
In the picture 1-8, 1-reaction kettle, 1-1 kettle cover, 1-2 magnetic stirrer, 2-hydrogen sulfide gas supply component, 2-1 storage tank, 2-1-1 box door, 2-2 hydrogen sulfide gas cylinder, 2-2-1 electromagnetic valve I, 2-2-2 flowmeter, 2-3 line type hydrogen sulfide detection alarm instrument I, 2-4 alarm lamp, 2-5 fixing frame, 2-5-1 circular ring, 2-5-2 iron chain, 2-5-3 hook, 3-hydrogen sulfide gas tail gas absorption component, 3-1 absorption tower, 3-1-1 liquid inlet, 3-1-2 liquid outlet, 3-2PH sensor, 3-3 acousto-optic alarm, 3-4 serpentine channel, 3-5 partition plates, 3-6 parting strips, 3-7 electromagnetic valves II, 3-8 replacement pumps, 4-temperature control assemblies, 4-1 water storage tanks, 4-2 spiral heat conduction pipes, 4-3 semiconductor refrigerators, 4-4 circulating pumps, 4-5 temperature sensors I, 4-6 heating rods, 4-7 cooling pipelines, 4-8 heat preservation layers, 4-9 temperature sensors II, 5-test cabinets, 5-1 linear hydrogen sulfide detection alarm instruments II, 5-2 exhaust fans, 5-3 touch panels and 5-4 cabinet doors 6-controllers.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-8, the metal hydrogen sulfide corrosion test device includes a reaction kettle 1, a hydrogen sulfide gas supply assembly 2, a hydrogen sulfide gas tail gas absorption assembly 3, a temperature control assembly 4, a test cabinet 5, and a controller 6; the test solution is contained in the reaction kettle 1, the upper cover of the reaction kettle 1 is provided with a kettle cover 1-1, the kettle cover 1-1 is firmly connected with the reaction kettle 1 through bolts, and a sealing gasket is arranged between the kettle cover 1-1 and the reaction kettle 1, so that a closed cavity is formed in the reaction kettle 1, the leakage of hydrogen sulfide gas during the test is effectively avoided, and the safety of the test is ensured. Preferably, the reaction kettle 1 and the kettle cover 1-1 are both made of transparent acrylic plates, so that the test condition can be observed conveniently in the test process. The reaction kettle 1 is respectively connected with a hydrogen sulfide gas supply component 2 and a hydrogen sulfide gas tail gas absorption component 3 through pipelines, the temperature in the reaction kettle 1 is kept constant through a temperature control component 4, during the test, a test metal and a clamp thereof are placed in the reaction kettle 1, the hydrogen sulfide gas is continuously introduced into the reaction kettle 1 through the hydrogen sulfide gas supply component 2, the hydrogen sulfide gas is dissolved into a test solution until a hydrogen sulfide saturated solution is formed in the reaction kettle 1, a wet hydrogen sulfide environment is simulated, the temperature in the reaction kettle 1 is kept constant through the temperature control component 4, the metal corrosion conditions under different temperatures are simulated through setting different temperatures, the excessive or undissolved hydrogen sulfide gas is introduced into the hydrogen sulfide gas tail gas absorption component 3 for reaction and absorption, the occurrence of poisoning accidents of testers caused by the leakage of the hydrogen sulfide gas is avoided, and the safe proceeding of the corrosion test is ensured, after a period of time, the test metal was removed and the corrosion was examined. The test cabinet 5 is divided into an upper layer and a lower layer, the lower layer is used for placing the temperature control component 4, the upper layer is used for placing the reaction kettle 1 and the hydrogen sulfide gas tail gas absorption component 3, and is convenient for managing each device, a linear hydrogen sulfide detection alarm instrument II5-1 is arranged in the test cabinet 5, the linear hydrogen sulfide detection alarm instrument II5-1 is connected with a signal input end of the controller 6, the linear hydrogen sulfide detection alarm instrument II5-1 is provided with an alarm contact and an alarm contact which is connected with the controller 6, when the hydrogen sulfide is lifted and leaked, the alarm contact is closed when the detection value exceeds the set value, the controller 6 timely controls the hydrogen sulfide gas supply component 2 to be closed, the test process is interrupted, the safe running of the test is ensured, the top of the test cabinet 5 is connected with the exhaust fan 5-2, the side surface of the test cabinet 5 is hinged with a cabinet door 5-4, and the cabinet door 5-3 is arranged on the cabinet door 5-4, the touch panel 5-3 is connected with the controller 6, and testers check various parameters in the test and safety problems in the reaction cabinet through the touch panel 5-3; the linear hydrogen sulfide detection alarm instrument II5-1 is connected with a signal input end of the controller 6, during testing, the exhaust fan 5-2 is in an opening state, negative pressure is formed in the test cabinet 5, air fluidity in the test cabinet 5 is improved, and meanwhile, other gases generated in the test are effectively prevented from being enriched in the test cabinet 5.
The hydrogen sulfide gas supply assembly 2 comprises a storage tank 2-1 and a hydrogen sulfide gas cylinder 2-2; the hydrogen sulfide cylinders 2-2 are arranged in the storage tank 2-1 through the fixing frames 2-5, one or more hydrogen sulfide cylinders 2-2 are arranged according to test requirements, and the hydrogen sulfide cylinders 2-2 are connected in series to provide hydrogen sulfide gas required by the test together, so that the hydrogen sulfide gas can be supplied sufficiently in the whole test process. The fixed mount 2-5 comprises a semicircular ring 2-5-1 and an iron chain 2-5-2, the middle part of the semicircular ring 2-5-1 is welded with the storage box 2-1, one end of the semicircular ring 2-5-1 is welded with one end of the iron chain 2-5-2, the other end of the semicircular ring 2-5-1 is provided with a hook 2-5-3, when being fixed, the iron chain 2-5-2 bypasses the hydrogen sulfide gas cylinder 2-2 and then is hung on the hook 2-5-3, thereby firmly connecting the hydrogen sulfide gas cylinder 2-2 with the semicircular ring 2-5-1, fixing the position of the hydrogen sulfide gas cylinder 2-2, different chains are hung on the hooks 2-5-3, so that the fixing frame 2-5 can fix the hydrogen sulfide cylinders 2-2 with different sizes. Preferably, the plurality of fixing frames 2-5 are arranged along the vertical direction according to the height of the hydrogen sulfide cylinders 2-2 to respectively fix a plurality of positions of the hydrogen sulfide cylinders 2-2, so that safety accidents caused by the toppling of the hydrogen sulfide cylinders 2-2 are effectively avoided. The hydrogen sulfide gas cylinder 2-2 is connected with the reaction kettle 1 through a pipeline, the pipeline is provided with an electromagnetic valve I2-2-1 and a flow meter 2-2-2, the pipeline extends into the bottom of the reaction kettle 1, the electromagnetic valve I2-2-1 and the flow meter 2-2-2 are respectively connected with a signal input end of a controller 6, the pipeline extends into the reaction kettle 1 from the kettle cover 1-1, and an air outlet port is immersed in a solvent medium, so that the introduced hydrogen sulfide can be better dissolved. The flow of the introduced hydrogen sulfide gas is detected in real time through the flow meter 2-2-2, and then the amount of the hydrogen sulfide in the reaction kettle 1 is effectively adjusted by adjusting the opening of the electromagnetic valve I2-2-1. The side wall of the storage box 2-1 is provided with a box door 2-1-1, a sealing gasket is arranged between the box door 2-1-1 and the storage box 2-1, and the opening of the box door 2-1-1 is closed, so that a closed space is formed in the storage box 2-1, and the hydrogen sulfide gas bottle 2-2 stored inside cannot leak outwards if leaking. The box door 2-1-1 is provided with a linear hydrogen sulfide detection alarm instrument I2-3 for detecting hydrogen sulfide gas in the storage box 2-1, the linear hydrogen sulfide detection alarm instrument I2-3 is connected with an alarm lamp 2-4 arranged at the top of the storage box 2-1, when the hydrogen sulfide bottle 2-2 in the storage box 2-1 leaks, the leaked hydrogen sulfide is detected by the linear hydrogen sulfide detection alarm instrument I2-3 and transmits a signal to the alarm lamp 2-4 for alarming to remind a tester to treat as soon as possible, and meanwhile, the occurrence of poisoning accidents caused when the tester enters the leaked storage box 2-1 is avoided.
The temperature control component 4 comprises a water storage tank 4-1, a spiral heat conduction pipe 4-2, a semiconductor refrigerator 4-3 and a circulating pump 4-4; a temperature sensor I4-5 and a heating rod 4-6 are arranged in the water storage tank 4-1, the water storage tank 4-1 is connected with a water inlet end of a circulating pump 4-4 through a pipeline, a water outlet end of the circulating pump 4-4 is connected with one end of a spiral heat conduction pipe 4-2 arranged on the inner wall of the reaction kettle 1 through a pipeline, and preferably, a heat insulation layer 4-8 is wrapped on a connecting pipeline between the water storage tank 4-1 and the spiral heat conduction pipe 4-2 to ensure that the temperature in the water storage tank 4-1 is consistent with the temperature of water in the leading-in spiral heat conduction pipe 4-2, so that the stability of leading-in heat of the reaction kettle 1 is improved. The other end of the spiral heat conduction pipe 4-2 is connected with one end of a cooling pipeline 4-7 through a pipeline, a semiconductor refrigerator 4-3 located on the side of the water storage tank 4-1 is arranged above the cooling pipeline 4-7, the other end of the cooling pipeline 4-7 is connected with the water storage tank 4-1 through a pipeline, the water temperature in the water storage tank 4-1 is heated through a heating rod 4-6, the temperature is reduced through the semiconductor refrigerator 4-3, the water temperature is detected in real time through a temperature sensor I4-5, and the opening and closing of the heating rod 4-6 and the semiconductor refrigerator 4-3 are controlled according to the water temperature condition, so that the water temperature in the water storage tank 4-1 is kept constant. The water in the water storage tank 4-1 is led into the spiral heat conduction pipe 4-2 through the circulating pump 4-4 to be circulated and then led back, and the temperature in the reaction kettle 1 is heated or cooled through the spiral heat conduction pipe 4-2, so that the temperature in the reaction kettle 1 is constant, and the heat conduction is more uniform. The semiconductor refrigerator 4-3 and the circulating pump 4-4 are respectively connected with a signal output end of the controller 6, a signal input end of the controller 6 is respectively connected with a temperature sensor I4-5, a temperature sensor II 4-9 for detecting the temperature in the reaction kettle 1, a temperature change parameter in the reaction kettle 1 is detected by the temperature sensor II in real time, the temperature in the water storage tank 4-1 is adjusted in real time according to the temperature change parameter, so that the heat led into the reaction kettle 1 through the spiral heat conduction pipe 4-2 is balanced with the heat dissipated by the reaction kettle 1, the temperature in the reaction kettle 1 is kept in a constant state, the led-in heat of the reaction kettle 1 is linearly changed, the stability of the temperature change in the reaction kettle 1 is effectively ensured, the test error is effectively reduced, and the accuracy of the corrosion test result is ensured.
The hydrogen sulfide gas tail gas absorption assembly 3 comprises an absorption tower 3-1, a PH sensor 3-2 and an audible and visual alarm 3-3, wherein a sodium hydroxide solution is filled in the absorption tower 3-1, an upward serpentine channel 3-4 is formed in the absorption tower 3-1 through a partition plate 3-5, gas introduced from the reaction kettle 1 is introduced from the lower port of the serpentine channel 3-4, the gas is introduced from the upper port of the serpentine channel, hydrogen sulfide gas which cannot be dissolved in time is introduced into the absorption tower 3-1 to react with the sodium hydroxide solution so as to be absorbed, and the hydrogen sulfide gas can be absorbed in the absorption tower 3-1 by utilizing a long-strip track of the serpentine channel 3-4, so that the hydrogen sulfide gas is prevented from being discharged to cause environmental pollution and harm to safety of others due to the fact that the hydrogen sulfide gas is contained in the gas. The device is characterized in that a PH sensor 3-2 is arranged in the absorption tower 3-1, the PH sensor 3-2 is connected with an audible and visual alarm 3-3, the PH value in the absorption tower 3-1 is detected in real time through the PH sensor 3-2, so that the concentration of the sodium hydroxide solution in the absorption tower 3-1 is detected, when the concentration in the absorption tower 3-1 is lower than a set value, the audible and visual alarm 3-3 is turned on to send an audible and visual alarm signal, and a tester is reminded of timely replacing the sodium hydroxide solution in the absorption tower 3-1. Preferably, the partition board 3-5 is provided with a partition strip 3-6, and the partition strip 3-6 is positioned below the free end of the partition board 3-5, so that a groove is formed at the bottom of the partition board 3-5, and undissolved hydrogen sulfide gas stays and is absorbed below the partition board 3-5 in sequence and moves upwards slowly in the process of flowing upwards along the serpentine channel 3-4, thereby ensuring that the hydrogen sulfide gas can be absorbed completely and ensuring the safety of the test. The device comprises a reaction kettle 1, at least two absorption towers 3-1, at least two audible and visual alarms 3-3, wherein one absorption tower is a common absorption tower 3-1, the other absorption tower is a standby absorption tower 3-1 and is respectively connected with the reaction kettle 1 through a pipeline, a connecting pipeline is provided with an electromagnetic valve II 3-7, the electromagnetic valve II 3-7 is connected with a signal output end of a controller 6, the signal output end of the controller 6 is connected with a PH sensor 3-2, the number of PH set values in the absorption tower 3-1 is two, one is an alarm value, the other is a safety value, and when the PH value in the absorption tower 3-1 is lower than the alarm value, the audible and visual alarms 3-3 send out alarm signals; when the PH value in the absorption tower 3-1 is lower than the safety value, the controller 6 controls the electromagnetic valve II 3-7 on the common absorption tower 3-1 to be closed, the electromagnetic valve II 3-7 on the standby absorption tower 3-1 to be opened, the used absorption tower 3-1 is forcibly replaced, and the safety of the unattended time-keeping test in the night test is effectively ensured. The absorption tower 3-1 is provided with a liquid inlet 3-1-1 and a liquid outlet 3-1-2, the liquid inlet 3-1-1 is connected with a replacement pump 3-8 through a pipeline, when the sodium hydroxide solution in the absorption tower 3-1 is replaced, the sodium hydroxide solution which is out of work in the absorption tower 3-1 is discharged through the liquid outlet 3-1-2, and new sodium hydroxide solution is led in through the replacement pump 3-8, so that the replacement is convenient.
The bottom of the reaction kettle 1 is provided with a magnetic stirrer 1-2, the magnetic stirrer 1-2 is connected with the signal output end of the controller 6, and during the test, the magnetic stirrer 1-2 continuously stirs the solution in the reaction kettle 1, so that the temperature in the reaction kettle 1 is more uniform.
The utility model discloses the working process: opening the kettle cover 1-1, placing the test metal and the clamp for bending the test metal into the reaction kettle 1, then closing the kettle cover 1-1, closing the test cabinet 5, inputting test parameters through the touch panel 5-3, starting the test, transmitting a signal to the controller 6 through the touch panel 5-3, and sending a corresponding control command by the controller 6 according to the input command.
The controller 6 controls the circulation pump 4-4 and the magnetic stirrer 1-2 to be opened, the temperature sensor I4-5 detects the temperature in the water storage tank 4-1 and transmits the temperature to the controller 6, the temperature sensor II 4-9 transmits the temperature in the reaction kettle 1 to the controller 6, the controller 6 automatically sets the temperature in the water storage tank 4-1 according to the temperature in the reaction kettle 1, when the temperature in the water storage tank 4-1 is lower than the set temperature, the controller 6 controls the heating rod 4-6 to work, the temperature in the water storage tank 4-1 is heated, when the temperature in the water storage tank 4-1 is higher than the set temperature, the controller 6 controls the semiconductor refrigerator 4-3 to work, the temperature in the water storage tank 4-1 is cooled, so that the stability of the temperature in the water storage tank 4-1 is ensured, and the stability of the temperature in the reaction kettle 1 is ensured.
When the temperature in the reaction kettle 1 reaches the set temperature, the controller 6 controls the electromagnetic valve I2-2-1 to be opened, hydrogen sulfide gas is introduced into the reaction kettle 1, and undissolved hydrogen sulfide gas is introduced into the absorption tower 3-1 to be absorbed.
The hydrogen sulfide gas is led into the reaction kettle filled with the experimental solution until the hydrogen sulfide saturated solution is formed in the reaction kettle, so that a wet hydrogen sulfide environment is simulated, and the experimental result is close to the actual operation environment of the metal material; the experimental result is ensured to be accurate and effective by changing the experimental solution in the reaction kettle, introducing the concentration of hydrogen sulfide gas and controlling the temperature in the reaction kettle and simulating the metal corrosion condition under different external environmental conditions.
Finally, it is noted that the above preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims; the size of the attached figure is irrelevant to the specific real object, and the size of the real object can be changed at will.
Claims (9)
1. The utility model provides a metal hydrogen sulfide corrosion test device which characterized in that: the metal hydrogen sulfide corrosion test device comprises a reaction kettle (1), a hydrogen sulfide gas supply assembly (2), a hydrogen sulfide gas tail gas absorption assembly (3), a temperature control assembly (4), a test cabinet (5) and a controller (6); the test solution is contained in the reaction kettle (1), a kettle cover (1-1) is arranged on the upper cover of the reaction kettle (1), the reaction kettle (1) is respectively connected with the hydrogen sulfide gas supply assembly (2) and the hydrogen sulfide gas tail gas absorption assembly (3) through pipelines, and the temperature of the reaction kettle (1) is kept constant through the temperature control assembly (4); the testing cabinet (5) is divided into an upper layer and a lower layer, the lower layer is used for placing the temperature control assembly (4), the upper layer is used for placing the reaction kettle (1) and the hydrogen sulfide gas tail gas absorption assembly (3), a linear hydrogen sulfide detection alarm instrument II (5-1) is arranged in the testing cabinet (5), the linear hydrogen sulfide detection alarm instrument II (5-1) is connected with the signal input end of the controller (6), the top of the testing cabinet (5) is connected with the exhaust fan (5-2), a cabinet door (5-4) is hinged to the side face of the testing cabinet (5), a touch panel (5-3) is arranged on the cabinet door (5-4), and the touch panel (5-3) is connected with the controller (6); the linear hydrogen sulfide detection alarm instrument II (5-1) is connected with a signal input end of the controller (6), and a signal output end of the controller (6) is respectively connected with the exhaust fan (5-2), the hydrogen sulfide gas supply assembly (2), the hydrogen sulfide gas tail gas absorption assembly (3) and the temperature control assembly (4).
2. The metal hydrogen sulfide corrosion test device according to claim 1, wherein: the hydrogen sulfide gas supply assembly (2) comprises a storage tank (2-1) and a hydrogen sulfide gas cylinder (2-2); the hydrogen sulfide gas cylinder (2-2) is arranged in the storage tank (2-1) through a fixing frame (2-5), the hydrogen sulfide gas cylinder (2-2) is connected with the reaction kettle (1) through a pipeline, an electromagnetic valve I (2-2-1) and a flow meter (2-2-2) are arranged on the pipeline, the pipeline extends into the bottom of the reaction kettle (1), and the electromagnetic valve I (2-2-1) and the flow meter (2-2-2) are respectively connected with a signal input end of the controller (6); the side wall of the storage box (2-1) is provided with a box door (2-1-1), a sealing gasket is arranged between the box door (2-1-1) and the storage box (2-1), the box door (2-1-1) is provided with a linear hydrogen sulfide detection alarm instrument I (2-3) for detecting hydrogen sulfide gas in the storage box (2-1), and the linear hydrogen sulfide detection alarm instrument I (2-3) is connected with an alarm lamp (2-4) arranged at the top of the storage box (2-1).
3. The metal hydrogen sulfide corrosion test device according to claim 2, wherein: the fixing frame (2-5) comprises a semicircular ring (2-5-1) and an iron chain (2-5-2), the middle part of the semicircular ring (2-5-1) is welded with the storage box (2-1), one end of the semicircular ring (2-5-1) is welded with one end of the iron chain (2-5-2), and the other end of the semicircular ring (2-5-1) is provided with a hook (2-5-3).
4. A metal hydrogen sulfide corrosion test apparatus as claimed in claim 1, 2 or 3, wherein: the temperature control component (4) comprises a water storage tank (4-1), a spiral heat conduction pipe (4-2), a semiconductor refrigerator (4-3) and a circulating pump (4-4); a temperature sensor I (4-5) and a heating rod (4-6) are arranged in the water storage tank (4-1), the water storage tank (4-1) is connected with a water inlet end of a circulating pump (4-4) through a pipeline, a water outlet end of the circulating pump (4-4) is connected with one end of a spiral heat conduction pipe (4-2) arranged on the inner wall of the reaction kettle (1) through a pipeline, the other end of the spiral heat conduction pipe (4-2) is connected with one end of a cooling pipeline (4-7) through a pipeline, a semiconductor refrigerator (4-3) located on the side of the water storage tank (4-1) is arranged above the cooling pipeline (4-7), and the other end of the cooling pipeline (4-7) is connected with the water storage tank (4-1) through a pipeline; the semiconductor refrigerator (4-3) and the circulating pump (4-4) are respectively connected with a signal output end of the controller (6), and a signal input end of the controller (6) is respectively connected with a temperature sensor I (4-5) and a temperature sensor II (4-9) for detecting the temperature in the reaction kettle (1).
5. The metal hydrogen sulfide corrosion test device according to claim 4, wherein: the connecting pipeline from the water storage tank (4-1) to the spiral heat conduction pipe (4-2) is wrapped with an insulating layer (4-8).
6. The metal hydrogen sulfide corrosion test apparatus according to claim 1, 2, 3 or 5, wherein: the hydrogen sulfide gas tail gas absorption assembly (3) comprises an absorption tower (3-1), a PH sensor (3-2) and an audible and visual alarm (3-3), wherein a sodium hydroxide solution is contained in the absorption tower (3-1), an upward serpentine channel (3-4) is formed in the absorption tower (3-1) through a partition plate (3-5), gas introduced from the reaction kettle (1) is introduced from a lower port of the serpentine channel (3-4), and gas is led out from an upper port of the serpentine channel; a PH sensor (3-2) is arranged in the absorption tower (3-1), and the PH sensor (3-2) is connected with an audible and visual alarm (3-3).
7. The metal hydrogen sulfide corrosion test device according to claim 6, wherein: the partition boards (3-5) are provided with division bars (3-6).
8. The metal hydrogen sulfide corrosion test device according to claim 7, wherein: the device is characterized in that at least two absorption towers (3-1) are arranged and are respectively connected with the reaction kettle (1) through pipelines, a solenoid valve II (3-7) is arranged on a connecting pipeline, the solenoid valve II (3-7) is connected with a signal output end of a controller (6), the signal input end of the controller (6) is connected with a PH sensor (3-2), a liquid inlet (3-1-1) and a liquid outlet (3-1-2) are arranged on the absorption tower (3-1), and the liquid inlet (3-1-1) is connected with a replacement pump (3-8) through a pipeline.
9. The metal hydrogen sulfide corrosion test device according to claim 8, wherein: the bottom of the reaction kettle (1) is provided with a magnetic stirrer (1-2), and the magnetic stirrer (1-2) is connected with the signal output end of the controller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023007554.4U CN214472639U (en) | 2020-12-15 | 2020-12-15 | Metal hydrogen sulfide corrosion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023007554.4U CN214472639U (en) | 2020-12-15 | 2020-12-15 | Metal hydrogen sulfide corrosion test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214472639U true CN214472639U (en) | 2021-10-22 |
Family
ID=78187990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023007554.4U Active CN214472639U (en) | 2020-12-15 | 2020-12-15 | Metal hydrogen sulfide corrosion test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214472639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136555A (en) * | 2021-11-30 | 2022-03-04 | 成都铭鉴知源油田工程科技有限公司 | Method and device for testing discharge of sulfur-containing pipeline of infrasonic wave equipment |
-
2020
- 2020-12-15 CN CN202023007554.4U patent/CN214472639U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136555A (en) * | 2021-11-30 | 2022-03-04 | 成都铭鉴知源油田工程科技有限公司 | Method and device for testing discharge of sulfur-containing pipeline of infrasonic wave equipment |
| CN114136555B (en) * | 2021-11-30 | 2024-04-30 | 成都铭鉴知源油田工程科技有限公司 | Method and device for testing leakage of sulfur-containing pipeline of infrasonic wave equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102288492B (en) | High-temperature and high-pressure circulating water constant-load extension experimental device with acoustic emission testing function | |
| CN201751417U (en) | Tester simulating ocean environment | |
| CN214472639U (en) | Metal hydrogen sulfide corrosion test device | |
| CN204314032U (en) | High-temperature pipe flange compactedness test macro | |
| CN103499502A (en) | Slow stretching experimental device with high-temperature high-pressure circulating water and using method | |
| CN112881001B (en) | Valve production is with actual measurement device after sale | |
| CN112378841A (en) | Metal hydrogen sulfide corrosion test device | |
| CN108469390B (en) | Detachable loop type single-phase flow erosion test device | |
| CN111983133B (en) | Pipe gallery pipeline fire simulation experiment platform and experiment method thereof | |
| CN105259101B (en) | A kind of experimental rig for being used to simulate ocean engineering material under ooze corrosion environment | |
| CN107179274A (en) | Simulate the experimental provision of pipeline corrosion | |
| CN108897348A (en) | A kind of ORC electricity generation system working medium tank automatic Control Systems of Liquids Height | |
| CN203981365U (en) | A kind of high pressure air tightness detection system | |
| CN106338575B (en) | Liquid metal purifies experimental apparatus | |
| CN203443754U (en) | Air storage tank leakage detection system | |
| CN214538395U (en) | Anti-freezing fluid holding vessel leakproofness detection device | |
| CN107858467B (en) | Blast furnace cooling water leakage detection method and system | |
| CN204461693U (en) | For the visual leakage detection apparatus leaked in the heat exchanger of food processing | |
| CN208505607U (en) | A kind of experimental rig of harshness operating condition valve | |
| CN208569416U (en) | A kind of ORC electricity generation system working medium tank automatic Control Systems of Liquids Height | |
| CN214467935U (en) | Gas leakage metering and detecting device | |
| CN209215191U (en) | High temperature inhibition experimental provision | |
| CN220854571U (en) | Experimental device for low-conductivity cooling liquid | |
| CN207764053U (en) | A kind of resistance to compression detection device of pressure vessel | |
| CN110411680A (en) | A kind of liquid injection and pressure-detecting device for closed liquid cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |