CN219320050U - Dynamic corrosion test kettle - Google Patents
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- CN219320050U CN219320050U CN202320182675.7U CN202320182675U CN219320050U CN 219320050 U CN219320050 U CN 219320050U CN 202320182675 U CN202320182675 U CN 202320182675U CN 219320050 U CN219320050 U CN 219320050U
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Abstract
The utility model discloses a dynamic corrosion test kettle, which comprises a test bed; an open slot is arranged on the table top of the experiment table; the open slot is used for the kettle body to pass through and be fixed on the experiment table; the bottom of the test bed is provided with a pulley; the upper end of the kettle body is connected with an upper cover of the reaction kettle; a magnetic driving stirring system is arranged on the upper cover of the reaction kettle; the lower stirring piece of the magnetic driving stirring system stretches into the stirring inner cavity in the kettle body; one side of the kettle body is provided with a kettle cover lifting mechanism; the bottom of the kettle body is provided with a vent; the upper cover of the reaction kettle is fixedly connected with the kettle body through a bolt piece. The device simulates dynamic corrosion tests under the working conditions of oil and gas fields such as injection, extraction and the like through structural improvement, so that the simulation of conditions such as pressure, temperature, flow and the like is realized, compared with other corrosion experiment methods, the original static corrosion is changed into dynamic corrosion, the dynamic corrosion is more similar to the actual corrosion, the corrosion can be monitored in real time, and the corrosion mechanism of a metal material in a flowing corrosion environment can be better analyzed.
Description
Technical Field
The utility model relates to a dynamic corrosion test kettle, and belongs to the technical field of dynamic corrosion experimental devices.
Background
Along with the development of oil and gas well engineering in recent years, the direction of exploration and development tends to be deep well and complicated, and the damage of the sand control screen is easier to cause. The damage forms of the sand control screen in the oil and gas exploitation process mainly comprise screen corrosion failure, extrusion damage, screen blockage and the like, wherein the corrosion failure is the most common form of the sand control screen damage, the mechanical sand control screen is corroded under the conditions of high temperature and high pressure, the conditions of uniform corrosion, pitting corrosion and the like, and the main factors causing the screen corrosion failure are temperature, corrosion gas partial pressure, flow rate, solution composition and the like. Therefore, the corrosion condition of the sieve tube at high temperature and high pressure is further researched, and the method has important practical significance for ensuring the safe exploitation of the oil and gas well. The existing corrosion simulation device can only perform static corrosion, namely, the pre-filled gas component is in the simulation device, and the reaction kettle is sealed to perform static corrosion. Therefore, a novel dynamic corrosion test device is required to be designed, so that dynamic and static corrosion tests under the working conditions of oil and gas fields such as injection, extraction and the like can be simulated, and the simulation and realization of the conditions such as pressure, temperature, flow and the like can be realized.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a dynamic corrosion test kettle, thereby solving the technical problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a dynamic corrosion test kettle comprises an experiment table; an open slot is formed in the table top of the experiment table; the open slot is used for the kettle body to pass through and be fixed on the experiment table; the inside of the experiment table is of a cavity structure, and pulleys are arranged at the bottom of the experiment table and used for carrying equipment; the upper end of the kettle body is connected with an upper cover of the reaction kettle; a magnetic drive stirring system is arranged on the upper cover of the reaction kettle; the lower end stirring piece of the magnetic drive stirring system stretches into the stirring inner cavity in the kettle body; a kettle cover lifting mechanism is arranged at one side of the kettle body; the bottom of the kettle body is provided with an emptying port which is used for discharging corrosive liquid; the reaction kettle upper cover is fixedly connected with the kettle body through bolt pieces, a plurality of bolt holes which are correspondingly arranged are respectively formed in the connection positions of the reaction kettle upper cover and the kettle body, an extension part is arranged at the upper end of the kettle body and is abutted to the experiment table, and the kettle body and the reaction kettle upper cover are further fixed to the experiment table through the bolt pieces.
Further, the magnetic force driving stirring system comprises a servo motor support piece arranged on the upper cover of the reaction kettle; an alternating current servo motor is arranged at the upper end of the servo motor support piece; the alternating current servo motor drives a motor shaft to drive the stirring paddle to stir in the cavity in the kettle body; the stirring paddles are arranged on two sides of the motor shaft.
Further, a hanging piece rack for placing hanging pieces with the corrosion performance to be tested is arranged on the stirring inner cavity in the kettle body; the whole rotating cage structure that is of the hanging piece frame is installed on a motor shaft at the lower end of the alternating current servo motor, 4 groups of independent installation frames which are vertically arranged are respectively arranged around the motor shaft, hanging pieces which are vertically fixed are installed on the installation frames, and a spacing gap for flowing corrosive liquid is reserved between the hanging pieces and the stirring paddles.
Further, the upper cover of the reaction kettle is provided with a plurality of interfaces and is matched with a connected valve, the plurality of interfaces comprise a liquid inlet, a liquid pressurizing opening, a gas exchanging opening and a condensing valve interface, and the liquid inlet valve, the liquid pressurizing valve, the gas exchanging valve and the condensing valve are respectively arranged corresponding to the interfaces; a safety valve is also arranged on the upper cover of the reaction kettle; an overflow port on the relief valve connects a line to allow high pressure fluid to flow to a designated safety position under high pressure conditions; the safety valve is made of high-temperature resistant materials.
Further, a water jacket is arranged between the magnetic force driving stirring system of the upper cover of the reaction kettle and the kettle body, and the inside of the water jacket is filled with hot water for isolating the heat transfer of the kettle body temperature to the magnetic steel in the upper surface.
Further, the kettle cover lifting mechanism comprises a winch, an upright post and a steel wire rope; the upright post is provided with a fixed pulley; one end of the steel wire rope is connected to the winch, and the other end of the steel wire rope penetrates through the fixed pulley and is connected with the fixed pulley on the transverse rod in a lap joint manner along the rod piece which is transversely arranged; the tail end of the steel wire rope is connected with a connecting bracket on the upper cover of the reaction kettle.
Further, the bottom of the connecting bracket is fixedly connected with the upper cover of the reaction kettle, a lifting ring used for fastening a steel wire rope is arranged on the connecting cross rod at the upper end of the connecting bracket, and the lifting ring is fixedly connected with the connecting cross rod through a threaded connecting rod at the bottom.
Further, the test kettle adopts an electric heating sleeve to carry out external heating, three-phase power supply is adopted, the maximum power is 4.5kw, and a heat insulation layer is arranged outside the electric heating sleeve; the electric heating sleeve is internally provided with a temperature measurement PT100 thermal resistor, the temperature measurement PT100 thermal resistor is matched with a temperature instrument with temperature PID control, and the temperature control precision is +/-1 ℃, and is used for displaying the measured temperature in real time.
Further, a pressure sensing module is arranged in the test kettle and is used for measuring pressure so as to maintain the stability of the equipment; the pressure sensing module comprises a pressure sensor and a matched pressure display instrument; the pressure display instrument is provided with an output interface of the solid-state relay for matching with the temperature control relay, so that the linkage control of temperature and pressure is realized; pressure measurement range of the pressure sensor: 0-25 MPa, and pressure measurement accuracy: grade 0.25.
Further, the system also comprises a PLC electrical control system with touch screen control; the PLC electrical control system can facilitate the control of the temperature and the pressure and the rotation speed of the motor on the touch screen by a user; the control box of the system is made of steel plates, and the outer surface of the control box is subjected to corrosion prevention treatment by adopting a plastic spraying process.
The beneficial effects of the utility model are as follows:
1) The device effectively cuts off the heat transfer of the temperature of the kettle body to the upper inner magnetic steel by installing the water jacket and filling normal-temperature tap water in the device;
2) The device is provided with the manual hoisting device, and the upper cover is hoisted and placed on the side bracket through the manual hoist, so that the hanging piece installation operation and the cover disassembly operation in the kettle can be facilitated;
3) The motor in the device is controlled by adopting a digital servo system, and compared with a common alternating current speed regulating motor, the servo control is a closed-loop control rotating system, and has the advantages of large torque and high rotating speed, the matched PLC control system can accurately control the rotating speed, and the control precision can be controlled very accurately;
4) The device adopts a magnetic force driven stirring mode, thereby having the characteristics of safety, high efficiency and leakage prevention, and realizing the transmission of torque by adopting a mode that external magnetic steel connected with a motor attracts magnetic steel in the reaction kettle;
5) The heating sleeve is used for external heating, the heating mode is safe and reliable, the heating sleeve is powered by 3 phases, the maximum power is 4.5KW, and the heating sleeve is provided with a heat insulation material outside, so that external operators are prevented from being scalded, the safety of the operators is ensured, and the service life of the heating sleeve can be effectively prolonged; the temperature measurement PT100 thermal resistor is arranged in the heating sleeve, the thermal resistor is matched with a temperature instrument with temperature PID control, the temperature control precision is high, the temperature control precision is +/-1 ℃, and the measured temperature is displayed in real time;
6) The pressure display instrument adopted by the device is provided with the output interface of the solid state relay which can be matched with the temperature control relay, so that the linkage control of temperature and pressure can be realized; sensor measurement range of pressure sensor: 0-25 MPa, and pressure measurement accuracy: the sensor has high accuracy in short-term instant measurement and high accuracy stability in long term at level 0.25;
7) The device is also provided with a safety valve, the safety valve is arranged on the upper cover, an overflow port of the safety valve is connected with a pipeline, and high-pressure fluid can overflow to a designated safety position under the condition of overpressure. The safety valve is made of high-temperature resistant materials, and still has good sealing performance at high temperature.
Drawings
FIG. 1 is a schematic diagram of a connecting structure of a kettle body and an upper cover of a reaction kettle;
fig. 2 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1. experiment table 2, kettle body 21, vent, 3, reation kettle upper cover, 4, magnetic drive mixing system, 41, servo motor support piece, 42, alternating current servo motor, 43, stirring rake, 5, kettle cover elevating system, 51, hoist engine, 52, stand, 53, wire rope, 54, fixed pulley, 6, hanging rack, 61, hanging piece, 7, linking bridge.
Description of the embodiments
The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model.
As shown in fig. 1 and 2, a dynamic corrosion test kettle comprises a test bench 1; an open slot is formed in the table top of the experiment table 1; the open slot is used for the kettle body 2 to pass through and be fixed on the experiment table 1; the inside of the experiment table 1 is of a cavity structure, and pulleys are arranged at the bottom of the experiment table 1 and used for carrying equipment; the upper end of the kettle body 2 is connected with a reaction kettle upper cover 3; a magnetic drive stirring system 4 is arranged on the upper cover 3 of the reaction kettle; the lower stirring piece of the magnetic drive stirring system 4 stretches into the stirring inner cavity in the kettle body 2; a kettle cover lifting mechanism 5 is arranged on one side of the kettle body 2; the bottom of the kettle body 2 is provided with a vent 21, and the vent 21 is used for discharging corrosive liquid; the reaction kettle upper cover 3 is fixedly connected with the kettle body 2 through bolt pieces, specifically, a plurality of bolt holes which are correspondingly arranged are respectively formed in the connection positions of the reaction kettle upper cover 3 and the kettle body 2, an extension part is arranged at the upper end of the kettle body 2 and is abutted to the experiment table 1, and the reaction kettle upper cover 3 and the kettle body 2 are further fixed on the experiment table 1 through a plurality of bolt pieces.
Preferably, the magnetic driving stirring system 4 comprises a servo motor support 41 arranged on the upper cover 3 of the reaction kettle; an alternating current servo motor 42 is arranged at the upper end of the servo motor support 41; the alternating current servo motor 42 drives a motor shaft to drive the stirring paddle 43 to stir in the cavity in the kettle body 2; the stirring paddles 43 are disposed on both sides of the motor shaft.
In the preferred embodiment, a hanging piece rack 6 for placing hanging pieces 61 with the corrosion performance to be tested is arranged on a stirring inner cavity in the kettle body 2; the whole rotating cage structure that is adopted to the hanging piece frame 6, it is installed on the motor shaft of AC servo motor 42 lower extreme, and this hanging piece frame 6 is provided with 4 independent mounting brackets of vertical arrangement respectively around the motor shaft, install the hanging piece 61 of vertical fixation on the mounting bracket, leave the interval space that the corrosive liquid flows between this hanging piece 61 and the stirring rake 43.
In the preferred embodiment, the upper cover 3 of the reaction kettle is provided with a plurality of interfaces and is matched with a connected valve, the plurality of interfaces comprise a liquid inlet, a liquid pressurizing opening, a gas pressurizing opening, a ventilation opening and a condensing valve interface, and the liquid inlet valve, the liquid pressurizing valve, the gas pressurizing valve, the ventilation valve and the condensing valve are respectively arranged corresponding to the interfaces; a safety valve is further arranged on the upper cover 3 of the reaction kettle; an overflow port on the relief valve connects a line to allow high pressure fluid to flow to a designated safety position under high pressure conditions; the safety valve is made of high-temperature resistant materials.
In this embodiment, preferably, a water jacket is arranged between the magnetic force driving stirring system 4 of the upper cover 3 of the reaction kettle and the kettle body 2, and the interior of the water jacket is filled with warm water for isolating the heat transfer of the temperature of the kettle body 2 to the upper inner magnetic steel.
Preferably, the kettle cover lifting mechanism 5 comprises a winch 51, a stand column 52 and a steel wire rope 53; the upright post 52 is provided with a fixed pulley 54; one end of the steel wire rope 53 is connected to the winch, and the other end of the steel wire rope passes through the fixed pulley 54 and is arranged along the rod piece in the transverse direction, and is lapped on the fixed pulley 54 positioned on the transverse rod piece; the tail end of the steel wire rope 53 is connected with the connecting bracket 7 on the upper cover 3 of the reaction kettle.
In this embodiment, preferably, the bottom of the connecting bracket 7 is fixedly connected with the upper cover 3 of the reaction kettle, and a lifting ring for fastening the steel wire rope 53 is arranged on the connecting cross rod at the upper end of the connecting bracket, and the lifting ring is fixedly connected with the connecting cross rod through a threaded connecting rod at the bottom.
In the embodiment, the test kettle is preferably externally heated by adopting an electric heating sleeve, three-phase power supply is adopted, the maximum power is 4.5kw, and a heat insulation layer is arranged outside the electric heating sleeve; the electric heating sleeve is internally provided with a temperature measurement PT100 thermal resistor, the temperature measurement PT100 thermal resistor is matched with a temperature instrument with temperature PID control, and the temperature control precision is +/-1 ℃, and is used for displaying the measured temperature in real time.
In the preferred embodiment, a pressure sensing module is arranged in the test kettle and is used for measuring pressure so as to maintain the stability of the equipment; the pressure sensing module comprises a pressure sensor and a matched pressure display instrument; the pressure display instrument is provided with an output interface of the solid-state relay for matching with the temperature control relay, so that the linkage control of temperature and pressure is realized; pressure measurement range of the pressure sensor: 0-25 MPa, and pressure measurement accuracy: grade 0.25.
The embodiment preferably further comprises a PLC electrical control system with touch screen control; the PLC electrical control system can facilitate the control of the temperature and the pressure and the rotation speed of the motor on the touch screen by a user; the control box of the system is made of steel plates, and the outer surface of the control box is subjected to corrosion prevention treatment by adopting a plastic spraying process.
The reaction kettle of the mechanism adopts 316L integral forging, 316L has wide application in the chemical industry due to the excellent corrosion resistance, 316L is also a derivative steel grade belonging to 18-8 austenitic stainless steel, and 2-3% of Mo element is added. The Mo content of 316L ensures that the steel has excellent pitting corrosion resistance and can be safely applied to halogen ion environments containing Cl < - > and the like. Overall design pressure: 25Mpa. Fixed corrosion test piece clamp: the hanging piece with the following dimensions of 50mm, 25mm, 2mm,75mm, 13mm, 2mm,150mm, 75mm, 2mm can be installed, and two sets of clamps can be replaced according to experimental requirements. The rotating cage is used for clamping and fixing the hanging piece. The hanging pieces are fixed and overlook every 90 degrees and are 1 group, 4 groups are all, and the stirring paddles do not contact with the hanging pieces to wipe and hang. Because the upper cover of the reaction kettle is particularly heavy, the device is particularly provided with a manual lifting device, and the upper cover is lifted to be placed on a bracket beside by a manual winch, so that the hanging piece installation operation and the cover dismounting operation in the kettle can be facilitated. Lifting weight: 80Kg.
The motor in the device is controlled by adopting a digital servo system, and the servo control is a closed-loop control rotating system, compared with a common alternating current speed regulating motor, the device has the advantages of large torque and high rotating speed, the matched PLC control system can accurately control the rotating speed, and the control precision can be controlled very accurately. The control range of the motor is as follows: 0-3000 RPM, motor power: 400W.
The electric heating sleeve is used for external heating, the heating mode is safe and reliable, the heating sleeve is powered by 3 phases, the maximum power is 4.5KW, the heating sleeve is provided with heat insulation materials, external operators are guaranteed not to be scalded, the safety of the operators is guaranteed, and the service life of the heating sleeve can be effectively prolonged. The temperature measurement PT100 thermal resistor is arranged in the heating sleeve, the thermal resistor is matched with a temperature instrument with temperature PID control, the temperature control precision is high, the temperature control precision is +/-1 ℃, and the measured temperature is displayed in real time.
The safety measurement and control on the device are the most important things, the pressure gauge adopts a digital pressure display instrument of Xiamen Yu electricity, and the pressure display instrument is provided with an output interface of a solid state relay which can be matched with a temperature control relay to carry out the linkage control of temperature and pressure. The pressure sensor adopts an imported Weika pressure sensor, and the measuring range of the sensor is as follows: 0-25 MPa, and pressure measurement accuracy: the level 0.25, the Weika sensor not only measures the high precision in the short-term moment, but also can keep very high precision stability in the long term.
The pipe valve piece is used for connecting main components of the whole system flow, and all pipe valve pieces are made of a 316L alloy material which is resistant to salt and weak acid corrosion and is in contact with experimental fluid. Pressure pipe valve element withstand pressure: 50MPa, diameter 3mm. Besides the conventional pipe valve, the device is also provided with a safety valve, the safety valve is arranged on the upper cover, and an overflow port of the safety valve is connected with a pipeline which can overflow high-pressure fluid to a designated safety position under the condition of overpressure. The safety valve is made of high-temperature resistant materials, and still has good sealing performance at high temperature.
The Mitsubishi PLC controller used on the device is matched with the control of the Violet touch screen, and a user controls the temperature and the pressure and the rotation speed of the motor on the touch screen. The pure digital control mode brings high-precision control. Besides important control elements, other matched electronic elements also adopt electric elements of home-made known brands. The device also has an acquisition interface: the data acquisition control system can acquire pressure, temperature and rotating speed data in real time and control external equipment, and the data are intuitively displayed on an operation interface. The computer can collect all data such as temperature, pressure, rotating speed and the like to form an original data report.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The dynamic corrosion test kettle is characterized by comprising a test bench (1); an open slot is formed in the table top of the experiment table (1); the open slot is used for the kettle body (2) to pass through and be fixed on the experiment table (1); the inside of the experiment table (1) is of a cavity structure, and pulleys are arranged at the bottom of the experiment table (1) and used for carrying equipment; the upper end of the kettle body (2) is connected with a reaction kettle upper cover (3); a magnetic drive stirring system (4) is arranged on the upper cover (3) of the reaction kettle; the lower stirring piece of the magnetic drive stirring system (4) stretches into the stirring inner cavity in the kettle body (2); a kettle cover lifting mechanism (5) is arranged at one side of the kettle body (2); the bottom of the kettle body (2) is provided with a vent (21), and the vent (21) is used for discharging corrosive liquid; the reaction kettle is characterized in that the reaction kettle upper cover (3) is fixedly connected with the kettle body (2) through bolt pieces, a plurality of bolt holes which are correspondingly arranged are respectively formed in the connecting positions of the reaction kettle upper cover (3) and the kettle body (2), an extension part is arranged at the upper end of the kettle body (2), the extension part is abutted against the experiment table (1), and the reaction kettle upper cover (3) and the kettle body (2) are further fixed on the experiment table (1) through the bolt pieces.
2. A dynamic corrosion test kettle according to claim 1, wherein the magnetically driven stirring system (4) comprises a servo motor support (41) arranged on the upper cover (3) of the reaction kettle; an alternating current servo motor (42) is arranged at the upper end of the servo motor support piece (41); the alternating current servo motor (42) drives a motor shaft to drive the stirring paddle (43) to stir in a cavity in the kettle body (2); the stirring paddles (43) are arranged on two sides of the motor shaft.
3. The dynamic corrosion test kettle according to claim 1, wherein a hanging piece rack (6) for placing hanging pieces (61) for testing corrosion performance is arranged on a stirring inner cavity in the kettle body (2); the whole rotary cage structure that is of the hanging piece frame (6), which is installed on the motor shaft of the lower end of the alternating current servo motor (42), the hanging piece frame (6) is respectively provided with 4 groups of independent installation frames which are vertically arranged around the motor shaft, the installation frames are provided with hanging pieces (61) which are vertically fixed, and a gap for corrosive liquid to flow is reserved between the hanging pieces (61) and the stirring paddles (43).
4. The dynamic corrosion test kettle according to claim 1, wherein the upper cover (3) of the reaction kettle is provided with a plurality of interfaces and is matched with a connected valve, the plurality of interfaces comprise a liquid inlet, a liquid pressurizing port, a gas pressurizing port, a ventilation port and a condensing valve interface, and the liquid inlet, the liquid pressurizing valve, the gas pressurizing valve, the ventilation valve and the condensing valve are respectively configured corresponding to the interfaces; a safety valve is also arranged on the upper cover (3) of the reaction kettle; an overflow port on the relief valve connects a line to allow high pressure fluid to flow to a designated safety position under high pressure conditions; the safety valve is made of high-temperature resistant materials.
5. The dynamic corrosion test kettle according to claim 1, wherein a water jacket is arranged between the magnetic force driving stirring system (4) of the upper cover (3) of the reaction kettle and the kettle body (2), and the water jacket is filled with warm water for isolating heat transfer of the temperature of the kettle body (2) to the upper inner magnetic steel.
6. The dynamic corrosion test kettle according to claim 1, wherein the kettle cover lifting mechanism (5) comprises a winch (51), a stand column (52) and a steel wire rope (53); the upright post (52) is provided with a fixed pulley (54); one end of the steel wire rope (53) is connected to the winch, and the other end of the steel wire rope penetrates through the fixed pulley (54) and is arranged along a rod piece in the transverse direction, and is lapped on the fixed pulley (54) positioned on the transverse rod piece; the tail end of the steel wire rope (53) is connected with a connecting bracket (7) on the upper cover (3) of the reaction kettle.
7. The dynamic corrosion test kettle according to claim 6, wherein the bottom of the connecting bracket (7) is fixedly connected with the upper cover (3) of the reaction kettle, and a lifting ring for fastening a steel wire rope (53) is arranged on a connecting cross rod at the upper end of the connecting bracket and is fixedly connected with the connecting cross rod through a threaded connecting rod at the bottom.
8. The dynamic corrosion test kettle according to claim 1, wherein the test kettle is externally heated by an electric heating sleeve, three-phase power supply is adopted, the maximum power is 4.5kw, and a heat insulation layer is arranged outside the electric heating sleeve; the electric heating sleeve is internally provided with a temperature measurement PT100 thermal resistor, the temperature measurement PT100 thermal resistor is matched with a temperature instrument with temperature PID control, and the temperature control precision is +/-1 ℃, and is used for displaying the measured temperature in real time.
9. The dynamic corrosion test kettle according to claim 1, wherein a pressure sensing module is arranged in the test kettle and is used for performing pressure measurement so as to maintain the stability of equipment; the pressure sensing module comprises a pressure sensor and a matched pressure display instrument; the pressure display instrument is provided with an output interface of the solid-state relay for matching with the temperature control relay, so that the linkage control of temperature and pressure is realized; pressure measurement range of the pressure sensor: 0-25 MPa, and pressure measurement accuracy: grade 0.25.
10. The dynamic corrosion test kettle according to claim 1, further comprising a PLC electrical control system with touch screen control; the PLC electrical control system can facilitate the control of the temperature and the pressure and the rotation speed of the motor on the touch screen by a user; the control box of the system is made of steel plates, and the outer surface of the control box is subjected to corrosion prevention treatment by adopting a plastic spraying process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320182675.7U CN219320050U (en) | 2023-02-10 | 2023-02-10 | Dynamic corrosion test kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320182675.7U CN219320050U (en) | 2023-02-10 | 2023-02-10 | Dynamic corrosion test kettle |
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| Publication Number | Publication Date |
|---|---|
| CN219320050U true CN219320050U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320182675.7U Active CN219320050U (en) | 2023-02-10 | 2023-02-10 | Dynamic corrosion test kettle |
Country Status (1)
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| CN (1) | CN219320050U (en) |
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2023
- 2023-02-10 CN CN202320182675.7U patent/CN219320050U/en active Active
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