CN109727689B - Loop system for simulating working environment of helium fan driving motor - Google Patents
Loop system for simulating working environment of helium fan driving motor Download PDFInfo
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- CN109727689B CN109727689B CN201910039561.5A CN201910039561A CN109727689B CN 109727689 B CN109727689 B CN 109727689B CN 201910039561 A CN201910039561 A CN 201910039561A CN 109727689 B CN109727689 B CN 109727689B
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Abstract
The invention discloses a loop system for simulating the working environment of a helium fan driving motor, which comprises: the cylindrical circulation guide pipe is sequentially communicated with the cylindrical circulation guide pipe: the high-pressure fan cabin comprises a shell, and a driving motor and a fan which are arranged in the shell and mutually connected, wherein the driving motor drives the fan to rotate and sends the high-pressure helium back to the helium high-pressure storage bottle; and the high-pressure helium gas returns to the helium gas high-pressure storage bottle through the helium gas high-pressure storage bottle, the balancing rod back pressure regulator, the heat exchanger and the high-pressure fan cabin in sequence, so that the circulating flow of the high-pressure helium gas is completed, and the integral helium gas circulating operation environment is formed. The loop system for simulating the working environment of the helium fan driving motor can indirectly simulate the performance of the large-capacity helium fan driving motor real machine, and provides reference basis for design and optimization of the large-capacity helium fan driving motor real machine.
Description
Technical Field
The invention relates to the field of fourth generation nuclear power generation reactor tests, in particular to a loop system for simulating a working environment of a helium fan driving motor.
Background
The current energy and environmental problems are hot spots focused on the world, renewable energy is limited by various conditions and cannot achieve the required energy yield, and nuclear energy is used as clean and efficient new energy to replace original fossil energy with strong pollution. The nuclear power generation is an important way for realizing low-carbon power generation by utilizing the heat energy released by nuclear fission in a nuclear reactor.
Meanwhile, since the development of nuclear energy, following the occurrence of nuclear accidents such as Windskel fire, Sanriend island nuclear power station accidents, Cherenobeli nuclear leakage accidents and the like, the nuclear safety problem becomes a focus of attention on the development of nuclear power energy projects, and the nuclear energy systems of the first three generations have a plurality of safety holes and hidden dangers, the fourth generation nuclear energy system meets the basic requirements of safety, economy, sustainable development, little waste generation, low risk of fuel proliferation, nuclear diffusion prevention and the like, and the American Massachusetts university of Massachusetts has comprehensively evaluated a plurality of advanced nuclear power reactor types such as a light water reactor, a pressurized water reactor, a high temperature gas cooled reactor and the like from the aspects of safety, economy, construction period, efficiency, service life, decommissioning cost, waste treatment, investment recovery, nuclear diffusion prevention and the like, the high-temperature gas cooled reactor (belonging to the fourth generation nuclear energy system reactor type) is first obtained in general and is considered as the most promising reactor type of 21 century American or even world nuclear power stations.
A helium fan driving motor is key equipment of a high-temperature gas cooled reactor nuclear power station, is arranged at the output end of a steam generator in a primary circuit, is the only active equipment of a nuclear reactor primary circuit system, and drives a fan by means of the driving motor to promote reactor coolant to circulate in the primary circuit and transfer heat released by nuclear reaction. Therefore, the requirement degree of the technical indexes of the helium fan driving motor is certainly far higher than that of the common high-speed motor, the safety factor, the service life and the tolerance of the helium fan driving motor are also very important, and great challenges are initiated on the technical research of the motor.
Because the capacity of helium fan driving motor is great relatively, real quick-witted experimental survey all has huge challenges in various aspects such as economy, efficiency and security, be difficult to realize the experimental survey of real machine of large capacity helium fan driving motor, consequently the experimental test platform of a simulation is needed urgently in the field, carry out safe effective and can feed back the experiment of monitoring often to indirectly simulate the performance of real machine of large capacity helium fan driving motor, provide the reference basis for the design and the optimization of real machine of large capacity helium fan driving motor.
Disclosure of Invention
The invention aims to provide a loop system for simulating the working environment of a helium fan driving motor, which can indirectly simulate the performance of a large-capacity helium fan driving motor real machine and provide a reference basis for the design and optimization of the large-capacity helium fan driving motor real machine.
In order to achieve the purpose, the invention provides the following scheme:
a loop system for simulating a helium fan drive motor operating environment, comprising:
the cylindrical circulation guide pipe is sequentially communicated with the cylindrical circulation guide pipe:
the helium high-pressure storage bottle is internally stored with high-pressure helium;
the balance rod back pressure regulator is used for controlling the pressure generated by the high-pressure helium gas flowing through the helium gas high-pressure storage bottle and maintaining the pressure balance in the columnar circulating guide pipe;
a heat exchanger for exchanging heat and cold with the high pressure helium gas flowing through the balance bar back pressure regulator;
the high-pressure fan cabin comprises a shell, and a driving motor and a fan which are arranged in the shell and are mutually connected, wherein the driving motor drives the fan to rotate, and the high-pressure helium gas flowing through the heat exchanger is sent back to the helium gas high-pressure storage bottle;
and the high-pressure helium sequentially passes through the helium high-pressure storage bottle, the balance bar back pressure regulator, the heat exchanger and the high-pressure fan cabin and returns to the helium high-pressure storage bottle to finish the circulating flow of the high-pressure helium, so that an integral helium circulating operation environment is formed.
Optionally, the driving motor is a large-capacity helium fan driving motor real machine which is reduced in proportion, and the rated power is 45 kW.
Optionally, the columnar circulation conduit is further provided with:
and the air pump is respectively communicated with the high-pressure fan cabin and the helium high-pressure storage bottle and is used for providing power for the high-pressure helium conveyed by the high-pressure fan cabin and sending the high-pressure helium back to the helium high-pressure storage bottle.
Optionally, a plurality of infrared sensing points are arranged on the columnar circulation conduit, and the infrared sensing points are used for collecting the temperature and the pressure of the key node of the whole loop.
Optionally, the method further includes:
and the infrared temperature and pressure measuring meter is connected with the plurality of infrared sensing points and is used for acquiring the temperature and the pressure acquired by the infrared sensing points and displaying the temperature and the pressure in real time.
Optionally, the method further includes:
and the pressure control meter is respectively connected with the balance rod back pressure regulator and the infrared temperature and pressure measuring meter and is used for judging whether the pressure acquired by the infrared temperature and pressure measuring meter is greater than a set threshold value or not, and if the pressure is greater than the set threshold value, a pressure reduction instruction is sent to the balance rod back pressure regulator to control the balance rod back pressure regulator to release pressure.
Optionally, the high-pressure nacelle further includes:
the control valve motor is arranged on the right side of the driving motor and used for determining the flow of the high-pressure helium gas entering the shell;
the air inlet control valve is arranged at the front end of the inlet of the driving motor, is connected with the control valve motor, and is used for determining the opening degree according to the high-pressure helium flow entering the shell and opening and closing according to the opening degree to regulate the high-pressure helium flow entering the shell;
and the middle flange is arranged at the outlet end of the driving motor and used for fixing the shell on the columnar circulation conduit.
Optionally, the method further includes:
a flow meter in communication with the heat exchanger and the high pressure fan compartment, respectively, comprising: the device comprises a shell and a wheel type sensor arranged in the shell, wherein the wheel type sensor is used for acquiring high-pressure helium flow data passing through the inside of the shell in real time and sending the high-pressure helium flow data to the control valve motor.
Optionally, the wheel sensor includes an induction chip, and the induction chip is configured to collect data of high-pressure helium flow passing through the inside of the housing in real time, and transmit the data of high-pressure helium flow to the control valve motor.
Optionally, the heat exchanger comprises:
the cooling device comprises a pump, an external cooling channel inlet and an external cooling channel outlet, wherein the external cooling channel inlet and the external cooling channel outlet are arranged on the side wall of the pump and are communicated with the pump;
the arrangement position of the external cooling channel inlet is higher than that of the external cooling channel outlet; and the inlet of the external cooling channel and the outlet of the external cooling channel are communicated with an external cooling device and used for carrying out cold and heat exchange on the high-pressure helium gas in the pump.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention discloses a loop system for simulating the working environment of a helium fan driving motor, which comprises: the cylindrical circulation guide pipe is sequentially communicated with the cylindrical circulation guide pipe: the helium high-pressure storage bottle is internally stored with high-pressure helium; the balance rod back pressure regulator is used for controlling the pressure generated by the high-pressure helium gas flowing through the helium gas high-pressure storage bottle and maintaining the pressure balance in the columnar circulating guide pipe; a heat exchanger for exchanging heat and cold with the high pressure helium gas flowing through the balance bar back pressure regulator; the high-pressure fan cabin comprises a shell, and a driving motor and a fan which are arranged in the shell and are mutually connected, wherein the driving motor drives the fan to rotate, and the high-pressure helium gas flowing through the heat exchanger is sent back to the helium gas high-pressure storage bottle; and the high-pressure helium sequentially passes through the helium high-pressure storage bottle, the balance bar back pressure regulator, the heat exchanger and the high-pressure fan cabin and returns to the helium high-pressure storage bottle to finish the circulating flow of the high-pressure helium, so that an integral helium circulating operation environment is formed. According to the loop system for simulating the working environment of the helium fan driving motor, the large-capacity helium fan driving motor real machine is reduced in proportion to establish an experiment prototype, a simulation test environment required by the real machine is simulated for the experiment prototype, a simulated experiment test platform is provided, and a safe and effective experiment capable of feeding back and monitoring at any time is carried out, so that the performance of the large-capacity helium fan driving motor real machine is indirectly simulated, and a reference basis is provided for the design and optimization of the large-capacity helium fan driving motor real machine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of a loop system for simulating the operating environment of a helium fan drive motor in accordance with the present invention;
FIG. 2 is a diagram of the internal structure of a high pressure wind cabin in a loop system for simulating the working environment of a helium fan drive motor according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a loop system for simulating the working environment of a helium fan driving motor, which can indirectly simulate the performance of a large-capacity helium fan driving motor real machine and provide a reference basis for the design and optimization of the large-capacity helium fan driving motor real machine.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
FIG. 1 is a schematic diagram of a loop system for simulating the operating environment of a helium fan drive motor in accordance with the present invention; FIG. 2 is a diagram of the internal structure of a high pressure wind cabin in a loop system for simulating the working environment of a helium fan drive motor according to the present invention. Referring to fig. 1 and 2, the loop system for simulating the working environment of the helium fan driving motor comprises:
the cylindrical circulation conduit 17, and the cylindrical circulation conduit 17 are sequentially communicated with each other:
a helium high-pressure storage bottle 8 in which high-pressure helium (heat transfer medium) is stored; pressure pistons are arranged at the inlet and the outlet of the helium high-pressure storage bottle 8 to ensure that the helium high-pressure storage bottle 8 is relatively independent from other parts of the system except the helium high-pressure storage bottle 8 (the air inlet or the air outlet is opened only under a specified pressure environment);
a balance bar back pressure regulator 9 for controlling the pressure generated by the high-pressure helium gas flowing through the helium gas high-pressure storage bottle 8 and maintaining the pressure balance in the columnar circulation duct 17;
a heat exchanger 11 for exchanging heat and cold with the high pressure helium gas flowing through the balance bar back pressure regulator 9;
the high-pressure fan cabin comprises a shell 1, and a driving motor 2 and a fan (not shown in the figure) which are arranged inside the shell 1 and connected with each other, wherein the driving motor 2 drives the fan to rotate, and the high-pressure helium flowing through the heat exchanger 11 is sent back to the helium high-pressure storage bottle 8; the driving motor 2 is a large-capacity helium fan driving motor real machine which is reduced in proportion, and the rated power is 45 kW. The high-pressure fan cabin provides a closed working environment for the fan.
And the high-pressure helium sequentially passes through the helium high-pressure storage bottle 8, the balance bar back pressure regulator 9, the heat exchanger 11 and the high-pressure fan chamber and returns to the helium high-pressure storage bottle 8, so that the circulating flow of the high-pressure helium is completed, and the integral helium circulating operation environment is formed.
The columnar circulation conduit 17 is also provided with:
and the air pump 7 is respectively communicated with the high-pressure fan cabin and the helium high-pressure storage bottle 8 and is used for providing power for the high-pressure helium conveyed by the high-pressure fan cabin and sending the high-pressure helium back to the helium high-pressure storage bottle 8, namely providing a buffer transition process for the gas medium from the high-pressure fan cabin to the helium high-pressure storage bottle.
The columnar circulation conduit 17 is provided with a plurality of infrared sensing points, and the infrared sensing points are used for collecting the temperature and the pressure of the key nodes of the whole loop.
This simulation helium fan driving motor operational environment's loop system still includes:
the infrared temperature and pressure measuring meter 6 is connected with the plurality of infrared sensing points and is used for acquiring the temperature and the pressure acquired by the infrared sensing points and displaying the temperature and the pressure in real time;
and the pressure control meter 10 is respectively connected with the balance rod back pressure regulator 9 and the infrared temperature and pressure measuring meter 6, and is used for judging whether the pressure acquired by the infrared temperature and pressure measuring meter 6 is greater than a set threshold, and if the pressure is greater than the set threshold, sending a pressure reduction instruction to the balance rod back pressure regulator 9 to control the balance rod back pressure regulator 9 to release pressure. The balancing stem back pressure regulator 9 can realize an explicit system pressure command by means of control commands given by an externally connected pressure control gauge 10 (pressure control source). The back pressure valve arranged in the balanced back pressure regulator is a micro-opening valve, a pressure control source presets a pressure value (initially set to 70 atmospheric pressures), and when the pressure is higher than the required pressure, the back pressure valve automatically releases pressure and automatically closes when the pressure is reduced to the set pressure, so that the pressure balance effect is achieved.
The high-pressure wind cabin further comprises a casing 1, wherein:
the control valve motor 4 is arranged at the right side of the driving motor 2 and is used for determining the flow of the high-pressure helium gas entering the shell 1;
the air inlet control valve 3 is arranged at the front end of the inlet of the driving motor 2, is connected with the control valve motor 4, and is used for determining the opening degree according to the high-pressure helium flow entering the shell 1 and opening and closing according to the opening degree to regulate and control the high-pressure helium flow entering the shell 1;
the middle flange 5 is arranged at the outlet end of the driving motor 2 and is used for fixing the shell 1 on the columnar circulation conduit 17;
the driving motor 2 (driving the fan to operate), the air inlet control valve 3 (controlling the flow of helium gas entering the high-pressure nacelle), the control valve motor 4 (controlling the opening and closing of the air inlet control valve) and the intermediate flange 5 (fixing the high-pressure nacelle and the columnar circulation conduit) are sealed inside the housing 1 of the high-pressure nacelle. The air inlet control valve 3 controls the opening and closing degree of the control valve motor 4 to ensure the inflow of the heat transfer medium of the high-pressure fan cabin (the control valve motor 4 is connected with the air inlet control valve 3 at the inlet through a lead, and the opening and closing degree of the air inlet control valve 3 can be controlled, so the inflow can be controlled).
This simulation helium fan driving motor operational environment's loop system still includes:
a flow meter 14, respectively communicating with the heat exchanger 11 and the high pressure blower compartment, for monitoring the flow rate of the high pressure helium gas flowing through the heat exchanger 11, comprising: a housing (not shown in the figure) and a wheel sensor 15 arranged in the housing, wherein the wheel sensor 15 is used for acquiring data of high-pressure helium flow passing through the interior of the housing in real time and sending the data of the high-pressure helium flow to the control valve motor 4; the wheel type sensor 15 comprises an induction chip, and the induction chip is used for acquiring high-pressure helium flow data passing through the inside of the shell in real time and transmitting the high-pressure helium flow data to the control valve motor 4.
The heat exchanger 11 includes:
a pump (not shown in the figure), and an external cooling passage inlet 12 and an external cooling passage outlet 13 provided in a side wall of the pump and communicating with the pump;
the position of the external cooling passage inlet 12 is higher than the position of the external cooling passage outlet 13; the external cooling channel inlet 12 and the external cooling channel outlet 13 are both communicated with an external cooling device and used for performing heat and cold exchange on high-pressure helium gas in the pump.
The columnar circulation conduit 17 is a connecting support of the whole loop test system, is a gas circulation conduit used for connecting the whole platform, is resistant to high temperature and high pressure, and is cylindrical in shape. The infrared temperature and pressure measuring meter 6 (measuring the temperature of the infrared sensing point and the pressure of the pressure sensor point) is arranged outside the loop but belongs to a part of the system, because the infrared sensing device is not on the loop but is contained in the system. The infrared temperature and pressure measuring meter 6 is provided with 16-1 to 16-13 main infrared sensing points (infrared temperature and pressure measuring points) distributed at different positions on the whole testing loop, collects the temperature and pressure of the key air inlet (air inlet and air outlet of each device) of the whole loop by using an infrared radiation energy principle and a high-sensitivity sensor on the sensing points, and feeds back the measuring data (collects the temperature and pressure of the key nodes of the whole loop) in a wireless mode. The outlet of the high-pressure fan cabin is connected with the inlet of the air pump 7, the outlet of the air pump 7 is connected with the inlet of a helium high-pressure storage bottle 8, the outlet of the helium high-pressure storage bottle 8 is connected with the inlet of a balance bar back pressure regulator 9, a pressure control meter 10 is connected with the balance bar back pressure regulator 9 outside a loop, the outlet of the balance bar back pressure regulator 9 is connected with the inlet of a heat exchanger 11, the outlet of the heat exchanger 11 is connected with the inlet of a flowmeter 14, a wheel type sensor (15) is arranged inside the flowmeter 14, and the outlet of the flowmeter 14 is connected with the inlet of the high-pressure fan cabin.
The 13 main infrared induction points are respectively a first infrared induction point 16-1 located at the outlet of the flowmeter 14, a second infrared induction point 16-2 located at the inlet of the high-pressure fan cabin, nine to thirteen infrared induction points 16-9-16-13 located inside the high-pressure fan cabin, a third infrared induction point 16-3 located at the outlet of the high-pressure fan cabin, a fourth infrared induction point 16-4 located at the inlet of the air pump 7, a fifth infrared induction point 16-5 located at the outlet of the helium high-pressure storage bottle 8, a sixth infrared induction point 16-6 located at the inlet of the balance bar back pressure regulator 9, a seventh infrared induction point 16-7 located at the outlet of the balance bar back pressure regulator 9 and an eighth infrared induction point 16-8 located at the inlet of the flowmeter 14. The system is provided with 13 main infrared induction points which are 16-1 to 16-13 and distributed at different positions on the whole test loop through an infrared temperature and pressure measuring meter 6 and are used for collecting the temperature and the pressure of key nodes of the whole loop, if the detected value exceeds a threshold value, a clear system pressure command of pressure reduction or pressure increase is sent to a balance rod back pressure regulator 9 through an externally connected pressure control table 10, so that the pressure of the system is maintained in a balanced and stable state required by work (the pressure control table 10 sets the pressure threshold value, and the pressure value exceeding the threshold value sends a system pressure command of pressure reduction or pressure increase to the balance rod back pressure regulator 9, so that the pressure of the system is maintained in the balanced and stable state required by work), and the system is connected with an external cooling device through an external cooling channel (an external cooling channel inlet 12 and an external cooling channel outlet 13) to realize the cold and heat exchange of the system (steam is arranged outside the system to the heat exchanger Generator and cooling channel), the flow meter 14 realizes flow monitoring by the wheel sensor 15 arranged inside, the measured flow data is transmitted to the control valve motor 4 through the sensing chip, so as to send out a control command to the air inlet control valve 3, thereby determining the opening degree of the air inlet control valve 3 to regulate and control the medium flow of the high-pressure air cabin, and forming the whole helium circulating operation environment.
The invention discloses a loop system for simulating the working environment of a helium fan driving motor, which is a loop test system for the helium fan driving motor of a high-temperature gas cooled reactor, belongs to a fourth generation nuclear power generation reactor active equipment simulation test system, and aims to provide a simulated experiment test platform for a large-capacity helium fan driving motor real machine which is difficult to realize experimental measurement, so as to carry out safe and effective experiments capable of feeding back and monitoring in real time and provide reference basis for the design and optimization of the large-capacity helium fan driving motor real machine. The high-pressure fan cabin, the heat exchanger, the flowmeter and other devices are added on the basis of the constitution of the experiment driving motor prototype, a sealed closed loop structure formed by the whole system is favorable for the circulating flow of a heat transfer medium, the helium high-pressure storage bottle passes through the balancing rod back pressure regulator, the heat exchanger and the flowmeter, the high-pressure fan cabin and the air pump and then returns to the helium high-pressure storage bottle, the sealed working environment ensures the safety experiment, the whole system can effectively and automatically regulate and control the pressure and the flow of the system through an external pressure control source and a wheel type sensor, and the temperature and the pressure of each key node can be monitored in real time through an infrared temperature and pressure measuring meter and infrared measuring points distributed at different positions, namely, the simulation test environment required by the experiment prototype is set up, and monitoring and regulating the pressure, the temperature and the flow rate of the driving motor under various working conditions, and completing the construction of a loop test system platform for detecting the temperature and pressure performance of the driving motor of the helium fan of the high-temperature gas cooled reactor.
In the invention, helium becomes a heat exchange medium of the fan cooling system, due to the inert characteristic of helium, when impurities are kept at a low enough level, the coolant can not cause chemical erosion to fuel elements and other components in the reactor, the helium can not absorb neutrons, and no obvious reaction effect exists, and due to the characteristics of helium, the amount of waste generated by the coolant is relatively small. The loop system for simulating the working environment of the helium fan driving motor disclosed by the invention is based on the problems that the helium fan driving motor has large capacity and is difficult to measure, an experimental prototype is established by reducing a large-capacity helium fan driving motor true machine in proportion, a small driving motor is adopted, a driving motor temperature and pressure performance loop test system platform is established (a simulation test environment required by the experimental prototype for establishing the true machine is simulated, a simulated experimental test platform is provided), the pressure, temperature and flow rate monitoring and regulation of the driving motor under various working conditions (such as different rotating speeds of the driving motor, different working media or fault analysis and the like) are realized, the experiment which is safe, effective and capable of feeding back and monitoring in real time is carried out, the method has the advantages that the method is small in size, convenient to operate, and capable of indirectly simulating the performance of the large-capacity helium fan driving motor real machine, and accordingly reference is provided for design and optimization of the large-capacity helium fan driving motor real machine.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist understanding of the system and its core concepts; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. A loop system for simulating the working environment of a helium fan drive motor, comprising:
the device comprises a columnar circulation guide pipe, a plurality of infrared induction points and a plurality of infrared sensors, wherein the infrared induction points are used for collecting the temperature and the pressure of key nodes of the whole loop; and the columnar circulation guide pipe is sequentially communicated with:
the helium high-pressure storage bottle is internally stored with high-pressure helium;
the balance rod back pressure regulator is used for controlling the pressure generated by the high-pressure helium gas flowing through the helium gas high-pressure storage bottle and maintaining the pressure balance in the columnar circulating guide pipe;
a heat exchanger for exchanging heat and cold with the high pressure helium gas flowing through the balance bar back pressure regulator;
the high-pressure fan cabin comprises a shell, and a driving motor and a fan which are arranged in the shell and are mutually connected, wherein the driving motor drives the fan to rotate, and the high-pressure helium gas flowing through the heat exchanger is sent back to the helium gas high-pressure storage bottle; the high-pressure wind cabin further comprises a casing, wherein the casing is provided with: the control valve motor is arranged on the right side of the driving motor and used for determining the flow of the high-pressure helium gas entering the shell; the air inlet control valve is arranged at the front end of the inlet of the driving motor, is connected with the control valve motor, and is used for determining the opening degree according to the high-pressure helium flow entering the shell and opening and closing according to the opening degree to regulate the high-pressure helium flow entering the shell; the middle flange is arranged at the outlet end of the driving motor and used for fixing the shell on the columnar circulation conduit;
the high-pressure helium sequentially passes through the helium high-pressure storage bottle, the balance bar back pressure regulator, the heat exchanger and the high-pressure fan chamber and returns to the helium high-pressure storage bottle to complete the circulating flow of the high-pressure helium, so that an integral helium circulating operation environment is formed;
further comprising:
the infrared temperature and pressure measuring meter is connected with the infrared sensing points and is used for acquiring the temperature and the pressure acquired by the infrared sensing points and displaying the temperature and the pressure in real time;
a flow meter in communication with the heat exchanger and the high pressure fan compartment, respectively, comprising: the wheel type sensor is used for acquiring high-pressure helium flow data passing through the interior of the shell in real time and sending the high-pressure helium flow data to the control valve motor;
an experiment prototype is established by reducing a large-capacity helium fan driving motor true machine in proportion, a small driving motor is adopted, a driving motor temperature and pressure performance loop test system platform is built, pressure, temperature and flow rate monitoring and regulation of the driving motor under various working conditions are achieved, and an experiment which is safe, effective and capable of feeding back monitoring in real time is carried out.
2. The loop system for simulating an operating environment for a helium fan drive motor of claim 1, wherein said drive motor is a scaled down high capacity helium fan drive motor having a power rating of 45 kW.
3. The loop system for simulating the working environment of a helium fan drive motor as claimed in claim 1, wherein the columnar circulation conduit is further provided with:
and the air pump is respectively communicated with the high-pressure fan cabin and the helium high-pressure storage bottle and is used for providing power for the high-pressure helium conveyed by the high-pressure fan cabin and sending the high-pressure helium back to the helium high-pressure storage bottle.
4. The loop system for simulating an operating environment for a helium fan drive motor of claim 1, further comprising:
and the pressure control meter is respectively connected with the balance rod back pressure regulator and the infrared temperature and pressure measuring meter and is used for judging whether the pressure acquired by the infrared temperature and pressure measuring meter is greater than a set threshold value or not, and if the pressure is greater than the set threshold value, a pressure reduction instruction is sent to the balance rod back pressure regulator to control the balance rod back pressure regulator to release pressure.
5. The loop system for simulating an operating environment for a helium fan drive motor of claim 1, wherein the wheel sensor comprises a sensor chip for collecting data on the flow of high pressure helium gas through the interior of the enclosure in real time and transmitting the data to the control valve motor.
6. The loop system for simulating an operating environment for a helium fan drive motor of claim 1, wherein said heat exchanger comprises:
the cooling device comprises a pump, an external cooling channel inlet and an external cooling channel outlet, wherein the external cooling channel inlet and the external cooling channel outlet are arranged on the side wall of the pump and are communicated with the pump;
the arrangement position of the external cooling channel inlet is higher than that of the external cooling channel outlet; and the inlet of the external cooling channel and the outlet of the external cooling channel are communicated with an external cooling device and used for carrying out cold and heat exchange on the high-pressure helium gas in the pump.
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| CN202281695U (en) * | 2011-09-30 | 2012-06-20 | 上海中科高等研究院 | Multifunctional helium turbine experiment system |
| CN105118536B (en) * | 2015-08-18 | 2017-05-31 | 中国人民解放军陆军军官学院 | A kind of adjustable charge and discharge type HTHP helium experimental system and method |
| DE102015016870A1 (en) * | 2015-12-30 | 2017-07-06 | Steffen Güttner | Process and device for the treatment of liquids that are contaminated with foreign substances |
| CN107067918B (en) * | 2017-06-16 | 2019-02-19 | 西南石油大学 | The helium experimental loop device of fusion reactor |
| CN108109708B (en) * | 2017-12-08 | 2020-03-31 | 西安交通大学 | Reactor core flow heat exchange simulation experiment system of villiaumite cooling pebble bed high-temperature reactor |
| CN208208349U (en) * | 2018-05-02 | 2018-12-07 | 哈尔滨理工大学 | A kind of cold self-circulation system of helium based on driving motor |
| CN108364701B (en) * | 2018-05-02 | 2024-02-06 | 哈尔滨理工大学 | Self-circulation system of high-voltage helium cold driving motor |
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2019
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