CN117387952A - Turbine test equipment spiral case extension board cooling water supply system - Google Patents
Turbine test equipment spiral case extension board cooling water supply system Download PDFInfo
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- CN117387952A CN117387952A CN202311064986.4A CN202311064986A CN117387952A CN 117387952 A CN117387952 A CN 117387952A CN 202311064986 A CN202311064986 A CN 202311064986A CN 117387952 A CN117387952 A CN 117387952A
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- 239000000498 cooling water Substances 0.000 title claims abstract description 59
- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 239000002826 coolant Substances 0.000 claims abstract description 100
- 239000000110 cooling liquid Substances 0.000 claims abstract description 26
- 230000004913 activation Effects 0.000 claims abstract description 19
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000006855 networking Effects 0.000 claims description 8
- 230000003213 activating effect Effects 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 239000012809 cooling fluid Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009428 plumbing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of cooling water supply, and discloses a cooling water supply system of a volute support plate of turbine test equipment, which comprises the following components: an SCSM controller for performing related operations such as activation setting, coolant initialization and the like according to command bits of a facility control system, wherein the SCSM internally comprises a control box and a CPU, and the programmable logic controller PLC is used for providing local control of all devices on the SCSM, and the related operations comprise: the system comprises an activation setting, coolant initialization, operation, shutdown and standby pump operation automatically switched by an SCSM controller, wherein the SCSM controller is provided with a volute support plate cooling water supply system, the cooling liquid is heated or cooled to the support plate temperature, so that the cooling water is normally supplied, meanwhile, the standby pump is arranged for preventing the main pump from faults or faults, and the maintenance and the replacement are convenient.
Description
Technical Field
The invention relates to the technical field of cooling water supply, in particular to a cooling water supply system for a volute support plate of turbine test equipment.
Background
Turbine test equipment is equipment for testing the performance of turbine mechanical components, a volute is an important component part of the equipment, the volute is used for accommodating a worm wheel and a worm, and because a large amount of heat is generated in the test process, the volute needs to be cooled through a cooling water supply system, and the cooling water supply system of a volute support plate is a key technology of the equipment, and is used for supplying cooling water for the volute to keep the normal working temperature of the volute, and the system generally comprises components such as a water pump, a cooling water pipeline, a cooling water tank, a cooling water nozzle and the like.
The turbine test equipment uses a coolant system to control the temperature of the HPT and LPT test piece internal support struts, which are the temperatures of the intake volute (IP) and exhaust volute (EP) internal support, respectively, and the coolant supply module suppliers should provide descriptive drawings, catalogue cutting tables, and other documentation of the dimensions, space required for maintenance, internal fluid flow arrangement, plumbing interfaces, estimated equipment weight, acceptable plumbing accessory loads, and mechanical support details required for the components for each component. The temperature, pressure, flow, safety control and IP/EP control linkage of the cooling water supply system.
The existing cooling water supply system for the spiral casing support plate of the turbine test equipment has the problems of low cooling efficiency, uneven cooling, high energy consumption, difficult maintenance, complex system and the like, has certain limitation on practicality, and needs to be further researched and optimized to improve the cooling effect and reduce the energy consumption and the maintenance cost.
Disclosure of Invention
The invention provides a cooling water supply system for a spiral casing support plate of turbine test equipment, which facilitates solving the problems in the cooling process of cooling liquid in the background technology, wherein an SCSM controller performs related operations such as activation setting, coolant initialization and the like according to command bits of a facility control system, and a Programmable Logic Controller (PLC) provides local control of all equipment on the SCSM, wherein the related operations comprise: the activation setting, coolant initialization, running, shutdown, and standby pump operation automatically switched by the SCSM controller facilitate maintenance of the equipment and improve cooling efficiency.
The invention provides the following technical scheme: turbine test equipment spiral case extension board cooling water supply system includes:
SCSM controller: the SCSM is used for performing related operations such as activation setting, coolant initialization and the like according to command bits of the facility control system, and the SCSM internally comprises a control box and a CPU;
programmable logic controller PLC: for providing local control of all devices on the SCSM;
the correlating operation includes: activation setup, coolant initialization, running, shutdown, standby pump operation switched automatically by the SCSM controller;
activating the setting: the SCSM controller is used for setting the SCSM controller for subsequent use;
coolant initialization: the cooling device is used for heating or cooling the cooling liquid to the temperature of the support plate;
and (3) running: for normally supplying cooling water;
the standby pump is automatically switched: for preventing the main pump from malfunctioning or failing;
and (3) stopping: the device is used for stopping the cooling water supply system, and is convenient to maintain and replace.
As an alternative to the turbine test apparatus volute support cooling water supply system of the present invention, wherein: connecting the supply and return coolant pipelines connected to the support plate, performing leakage and pressure resistance inspection on the supply and return coolant pipelines, and performing activation setting on the SCSM controller;
activating the setting: starting a first power supply at the disconnected position of the SCSM on the local panel, manually opening a supply valve and a return valve of cold side cooling water of the water heat exchangers, verifying the flow rate of the cold side cooling water of each heat exchanger by using a related flowmeter, respectively trimming adjustable flow limiting holes of an IP support plate and an EP support plate HX to achieve the required flow rate of the cooling water, manually opening a filter valve to respectively flow through filters of the IP support plate and the EP support plate cooling liquid, opening the related bypass valve if the filters respectively flow through the filters of the IP support plate cooling liquid and the EP support plate cooling liquid are stopped, checking the liquid level of a cooling liquid storage tank, increasing the liquid level or reducing the liquid level to achieve 150 liters if the liquid level is full of 60%, increasing or reducing 10 liters if the liquid level is full of 60%, ventilating a water tank according to requirements, respectively opening an instrument air source of a storage tank pressure regulator for the IP-SCSM storage tank and the EP-SCSM, verifying that the pressure of each storage tank reaches a certain value and is stable, manually adjusting the pressure of the related regulator according to requirements, and setting an SCSM operation mode to be remotely controlled by using a switch on a front panel of a local SCSM control cabinet;
the IP is an air inlet volute, the EP is an air outlet volute, and the first power supply is 380V three-phase alternating current with the frequency of 50 Hz;
after activation of the settings for each SCSM, the pump is ready to be operated to heat or cool the coolant as needed before circulating through the support plate.
As an alternative to the turbine test apparatus volute support cooling water supply system of the present invention, wherein: after the activation setup procedure is completed, the SCSM controller prepares for coolant initialization, including heating, cooling, starting a coolant pump and initializing (heating or cooling) the coolant to the strip temperature to match the strip temperature;
the cooling fluid flows through the plate to control the temperature, and when the cooling fluid begins to flow through the plate, the FCS changes the temperature set point for the plate temperature to a calculated value based on the plenum outer and inner wall temperature measurements near the plate.
As an alternative to the turbine test apparatus volute support cooling water supply system of the present invention, wherein: when the cooling liquid starts to flow to the support plate, the SCSM controller automatically switches to operate;
and (3) running: the SCSM controller provides TTF ready-to-operate signals to the FCS, and the coolant temperature set point from the FCS changes from the support plate temperature to a calculated value based on the measured values of the inner and outer wall static pressure tanks near the support plate;
when the TTF is above ambient temperature, the SCSM continues to operate, modulating the coolant temperature to cool or heat to match the temperature set point of the FCS;
the FCS control signal is transmitted to the SCSM controller via the Profinet to verify the communication link, the signal failure indicating an interruption of the Profinet communication, and an interruption of the coolant temperature set point update, if this communication failure occurs, the SCSM controller automatically changes the coolant source temperature set point from the value of the Profinet communication to the value provided by the hard-wired analog signal, and after resumption of the Profinet communication, the source of the coolant temperature set point is restored to the value of the Profinet communication.
As an alternative to the turbine test apparatus volute support cooling water supply system of the present invention, wherein: in order to prevent the main pump from faults or faults, each coolant pump is provided with a special standby pump, and the SCSM controller independently realizes automatic switching of the standby pumps;
the standby pump is automatically switched: the SCSM controller detects pump failure such as motor overload, motor overheat, motor contactor failure, pump outlet pressure low, pump outlet flow rate low, etc., the SCSM controller starts the backup pump, the motor starter contactor of the backup pump fails to indicate the off position within 5 seconds, the TTF will stop, wait 10 seconds, let the backup pump reach speed, then command the failed main pump to shut down, monitor the coolant flow rate to verify if the level is correct, if sufficient coolant flow is not detected within 1 minute, the SCSM controller sets a system failure bit to the FCS, the TTF stops, and the coolant supply to the booster support is resumed at this time.
As an alternative to the turbine test apparatus volute support cooling water supply system of the present invention, wherein: after TTF is turned off, i.e., when heated air ceases to flow through TTA, the SCSM controller must continue to operate until the plenum is sufficiently cooled, FCS continues to monitor the plenum temperature to determine the fulcrum coolant temperature setpoint, and coolant flow ceases when the coolant temperature setpoint is within 10 ℃ of ambient temperature;
and (3) stopping: the FCS provides a stop command for the IP or EP strip coolant supply, the SCSM controller deactivates the associated tank heater, the SCSM controller monitors the FCS coolant temperature set point, and when the ambient or other safety temperature is below 10 ℃, the pump is commanded to stop, the SCSM controller commands the strip isolation valve to close, the SCSM controller commands the strip bypass valve to open, the SCSM controller deactivates the temperature controller, if the TTF is not restarted immediately, the field technician can manually vent the coolant tank to atmosphere by adjusting the set point for the IP or EP applicable regulator, the isolation valve for the water heat exchanger cold side coolant supply is closed, if maintenance is not required, can remain open, at which point the strip coolant flow is stopped, and the system is safely inspected or maintained.
As an alternative to the turbine test apparatus volute support cooling water supply system of the present invention, wherein: the SCSM uses local controls including settings from the SCSM control panel;
and (3) local control: the SCSM is equipped with a local control panel for testing, inspection and manual operation, which provides a means to activate the SCSM controller ac power, by blowing open or circuit breakers, which can be set to open no door, selecting a local/remote mode of operation, turning on/off the pump and controlling the heater operation, the local control mode allowing the pump and heater to be operated without status/readiness checks, thus the operator is responsible for ensuring safe and proper settings, SCSM control process measurements such as flow rate, display of pressure are provided by each meter transducer, and are displayed on the touch screen.
As an alternative to the turbine test apparatus volute support cooling water supply system of the present invention, wherein: SCSM use also includes remote control set from the SCSM control panel;
remote control: remote control comes from FCS, board heat exchange system control via CPU ethernet communications of siemens 1200 and control networking control of ACAE turbine test equipment, field parameter monitoring room central networking monitoring, PLC is provided either integrally with human machine interface HMI providing local control functions such as pump on/off, heater on/off, etc., or as a stand alone device interfacing with buttons and other discrete control functions mounted on the SCSM control panel;
the PLC provides a ProfiNet communication mode of any and all signals exchanged with the FCS, the ACAE/ASE is equipped with an electronic copy of the programming software and control program, and the PLC software is not password protected.
As an alternative to the turbine test apparatus volute support cooling water supply system of the present invention, wherein: the SCSM operation needs instrument and control signals, all instrument signals are transmitted to the FCS through a ProfiNet connection, and Profinet communication is adopted between the SCSM and the FCS;
the PLC provides full automatic control based on the remote mode in the operating state of the FCS setup, and the PLC also provides a ProfiNet communication mode for any and all signals exchanged with the FCS.
The invention has the following beneficial effects:
1. the turbine test apparatus volute manifold cooling water supply system ventilates the water tank as needed to make up water, manually adjusts the associated regulator pressure as needed, and each SCSM is set up and ready for pump operation to heat or cool the coolant as needed before it circulates through the manifold.
2. According to the cooling water supply system for the spiral casing support plate of the turbine test equipment, when the turbine test equipment is shut down, the isolation valve for cooling water supply on the cold side of the water heat exchanger is closed for optional operation, if maintenance is not needed, the turbine test equipment can be kept open, at the moment, the flow of cooling water of the support plate is stopped, and the system can be safely checked or maintained.
3. The cooling water supply system of the spiral casing support plate of the turbine test equipment is convenient to operate and use by using the SCSM including local control and remote control arranged from an SCSM control panel.
Drawings
FIG. 1 is a network architecture diagram of a cooling water supply system for a volute support plate of a turbine test apparatus according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the related art, in case of a failure or malfunction of the main pump, each coolant pump is equipped with a dedicated backup pump, the SCSM controller independently implements automatic switching of the backup pump, and the SCSM uses a local control including a setting from the SCSM control panel.
Wherein, the standby pump is switched automatically: the SCSM controller detects pump failure such as motor overload, motor overheat, motor contactor failure, pump outlet pressure low, pump outlet flow rate low, etc., the SCSM controller starts the backup pump, the motor starter contactor of the backup pump fails to indicate the off position within 5 seconds, the TTF will stop, wait 10 seconds, let the backup pump reach speed, then command the failed main pump to shut down, monitor the coolant flow rate to verify if the level is correct, if sufficient coolant flow is not detected within 1 minute, the SCSM controller sets a system failure bit to the FCS, the TTF stops, and the coolant supply to the booster support is resumed at this time.
Wherein, local control: the SCSM is equipped with a local control panel for testing, inspection and manual operation, which provides a means to activate the SCSM controller ac power, by blowing open or circuit breakers, which can be set to open no door, selecting a local/remote mode of operation, turning on/off the pump and controlling the heater operation, the local control mode allowing the pump and heater to be operated without status/readiness checks, thus the operator is responsible for ensuring safe and proper settings, SCSM control process measurements such as flow rate, display of pressure are provided by each meter transducer, and are displayed on the touch screen.
Wherein, remote control: remote control comes from FCS, board heat exchange system control via CPU ethernet communications of siemens 1200 and control networking control of ACAE turbine test equipment, field parameter monitoring room central networking monitoring, PLC is provided either integrally with human machine interface HMI providing local control functions such as pump on/off, heater on/off, etc., or as a stand alone device interfacing with buttons and other discrete control functions mounted on the SCSM control panel.
In this embodiment, the PLC provides a ProfiNet communication mode of any and all signals exchanged with the FCS, the ACAE/ASE is provided with an electronic copy of the programming software and the control program, and the PLC software is not provided with password protection.
Examples
Turbine test equipment spiral case extension board cooling water supply system includes:
SCSM controller: the SCSM is used for performing related operations such as activation setting, coolant initialization and the like according to command bits of the facility control system, and the SCSM internally comprises a control box and a CPU;
programmable logic controller PLC: for providing local control of all devices on the SCSM;
the correlating operation includes: activation setup, coolant initialization, running, shutdown, standby pump operation switched automatically by the SCSM controller;
activating the setting: the SCSM controller is used for setting the SCSM controller for subsequent use;
coolant initialization: the cooling device is used for heating or cooling the cooling liquid to the temperature of the support plate;
and (3) running: for normally supplying cooling water;
the standby pump is automatically switched: for preventing the main pump from malfunctioning or failing;
and (3) stopping: the device is used for stopping the cooling water supply system, and is convenient to maintain and replace.
Connecting the supply and return coolant pipelines connected to the support plate, performing leakage and pressure resistance inspection on the supply and return coolant pipelines, and performing activation setting on the SCSM controller;
activating the setting: starting a first power supply at the disconnected position of the SCSM on the local panel, manually opening a supply valve and a return valve of cold side cooling water of the water heat exchangers, verifying the flow rate of the cold side cooling water of each heat exchanger by using a related flowmeter, respectively trimming adjustable flow limiting holes of an IP support plate and an EP support plate HX to achieve the required flow rate of the cooling water, manually opening a filter valve to respectively flow through filters of the IP support plate and the EP support plate cooling liquid, opening the related bypass valve if the filters respectively flow through the filters of the IP support plate cooling liquid and the EP support plate cooling liquid are stopped, checking the liquid level of a cooling liquid storage tank, increasing the liquid level or reducing the liquid level to achieve 150 liters if the liquid level is full of 60%, increasing or reducing 10 liters if the liquid level is full of 60%, ventilating a water tank according to requirements, respectively opening an instrument air source of a storage tank pressure regulator for the IP-SCSM storage tank and the EP-SCSM, verifying that the pressure of each storage tank reaches a certain value and is stable, manually adjusting the pressure of the related regulator according to requirements, and setting an SCSM operation mode to be remotely controlled by using a switch on a front panel of a local SCSM control cabinet;
the IP is an air inlet volute, the EP is an air outlet volute, and the first power supply is 380V three-phase alternating current with the frequency of 50 Hz;
after activation of the settings for each SCSM, the pump is ready to be operated to heat or cool the coolant as needed before circulating through the support plate.
After the activation setup procedure is completed, the SCSM controller prepares for coolant initialization, including heating, cooling, starting a coolant pump and initializing (heating or cooling) the coolant to the strip temperature to match the strip temperature;
the cooling liquid flows through the support plate to control the temperature, and when the cooling liquid starts to flow through the support plate, the FCS changes the temperature set point of the temperature of the support plate into a calculated value according to the temperature measured values of the outer wall and the inner wall of the pressurizing chamber near the support plate;
the coolant initialization steps are:
the FCS verifies the initialization of the SCSM of the remote control operation;
the FCS provides an SCSM initialization operation command;
the IP/EP-SCSM pump is automatically started, and the cooling liquid respectively flows through the bypass valve of the support plate and does not flow to the support plate if the cooling liquid stops;
the operator verifies the correct operation of the coolant pump, such as no abnormal sound, no coolant leakage, and normal outlet pressure;
the operator verifies whether the pressure drop across the coolant filter is less than 50% of the maximum value of 25kPa-d at the start of SCSM operation;
the tank heater is automatically started when necessary to heat the coolant to the FCS temperature set point, i.e., the strip temperature floats 1 ℃ up and down;
if the coolant temperature is above the strip temperature, the temperature controller bypasses the coolant to the heat exchanger to reduce the temperature from the FCS to the set point, i.e., the strip temperature floats 1 ℃ up and down;
when the temperature of the cooling liquid reaches the temperature of the support plate and floats up and down to be within 1 ℃, the SCSM automatically opens the support plate isolation valve to enable the cooling liquid to flow to the support plate;
after verifying that the baffle isolation valve reaches the fully open position, the baffle bypass valve is closed, and 100% of the pump outlet is directed to the supercharging baffle.
When the cooling liquid starts to flow to the support plate, the SCSM controller automatically switches to operate;
and (3) running: the SCSM controller provides TTF ready-to-operate signals to the FCS, and the coolant temperature set point from the FCS changes from the support plate temperature to a calculated value based on the measured values of the inner and outer wall static pressure tanks near the support plate;
when the TTF is above ambient temperature, the SCSM continues to operate, modulating the coolant temperature to cool or heat to match the temperature set point of the FCS;
cooling of the coolant is achieved by directing part of the flow through temperature control valves to IP and EP dedicated water heat exchangers, respectively, and the coolant heating is provided by heating elements in each tank, wherein the IP-SCSM, EP-SCSM correspond to different elements, and process heat generated by the high temperature air of the booster support.
The FCS control signal is transmitted to the SCSM controller via the Profinet to verify the communication link, the signal failure indicating an interruption of the Profinet communication, and an interruption of the coolant temperature set point update, if this communication failure occurs, the SCSM controller automatically changes the coolant source temperature set point from the value of the Profinet communication to the value provided by the hard-wired analog signal, and after resumption of the Profinet communication, the source of the coolant temperature set point is restored to the value of the Profinet communication.
After TTF shut down, i.e., when heated air ceases to flow through TTA, SCSM controller must continue to operate until the plenum is sufficiently cooled, FCS continues to monitor the plenum temperature to determine the fulcrum coolant temperature set point, and coolant flow ceases when the coolant temperature set point is within 10 ℃ of ambient temperature, wherein the IP coolant stops flowing later than EP due to exposure to higher gas temperatures upstream of TTA;
and (3) stopping: the FCS provides a stop command for the IP or EP strip coolant supply, the SCSM controller deactivates the associated tank heater, the SCSM controller monitors the FCS coolant temperature set point, and when the ambient or other safety temperature is below 10 ℃, the pump is commanded to stop, the SCSM controller commands the strip isolation valve to close, the SCSM controller commands the strip bypass valve to open, the SCSM controller deactivates the temperature controller, if the TTF is not restarted immediately, the field technician can manually vent the coolant tank to atmosphere by adjusting the set point for the IP or EP applicable regulator, the isolation valve for the water heat exchanger cold side coolant supply is closed, if maintenance is not required, can remain open, at which point the strip coolant flow is stopped, and the system is safely inspected or maintained.
The cooling water supply system of the spiral casing support plate of the turbine test equipment comprises an SCSM (control system module) which is in use for running, wherein instruments and control signals are needed, all instrument signals are transmitted to an FCS (field control system) through a ProfiNet connection, and the SCSM and the FCS are communicated by adopting the Profinet;
the PLC provides full automatic control according to a remote mode in the operating state set by the FCS, and the PLC also provides a ProfiNet communication mode of any and all signals exchanged with the FCS;
the remote control mode used when the TTF is running, the FCS provides commands to indicate operating conditions such as initialization, start-up, operation and shut-down, the SCSM controller automatically sets pump, heater, valve, temperature control loop and backup pump operation using FCS defined conditions, manual control of the SCSM device is not available in the remote control mode, the SCSM controller sets all device operating conditions, emergency can stop valve and system stop through hard wire connection.
The scheme considers that the main pump can be in fault and needs maintenance due to the influence of own components or external factors in the using process.
In this embodiment, in order to prevent the main pump from malfunctioning or failing, each coolant pump is equipped with a dedicated backup pump, and the SCSM controller independently implements automatic switching of the backup pumps;
the standby pump is automatically switched: the SCSM controller detects pump operation faults such as motor overload, motor overheating, motor contactor failure, pump outlet pressure low, pump outlet flow rate low, etc., the SCSM controller starts the backup pump, the motor starter contactor of the backup pump fails to indicate the closed position within 5 seconds, the TTF will stop, wait for 10 seconds, let the backup pump reach speed, then command the failed main pump to shut down, monitor the coolant flow rate to verify if the liquid level is correct, if sufficient coolant flow is not detected within 1 minute, the SCSM controller sets a system fault bit to the FCS, TTF stops, at which time the coolant supply to the boost manifold is resumed, and if pump outlet pressure is excessive during the transition from main pump operation to backup pump operation, the manifold bypass valve can be opened, diverting a portion of the coolant back to the reservoir.
The present embodiment also provides that the SCSM uses a local control that includes settings from the SCSM control panel;
and (3) local control: the SCSM is equipped with a local control panel for testing, inspection and manual operation, the local control panel providing a means to activate the SCSM controller ac power, by blowing open or circuit breakers, which can be set to not open the door, selecting a local/remote mode of operation, turning on/off the pump and controlling the heater operation, the local control mode allowing the pump and heater to be operated without status/readiness inspection, thus the operator is responsible for ensuring safe and proper setup, the control elements on the panel can be physical switches or touch screen devices, at the discretion of the vendor, the SCSM control process measurements such as flow rate, pressure display provided by each meter transducer, and display on the touch screen.
The present embodiment also provides that the SCSM use further includes a remote control set from the SCSM control panel;
remote control: remote control comes from FCS, board heat exchange system control via CPU ethernet communications of siemens 1200 and control networking control of ACAE turbine test equipment, field parameter monitoring room central networking monitoring, PLC is provided either integrally with human machine interface HMI providing local control functions such as pump on/off, heater on/off, etc., or as a stand alone device interfacing with buttons and other discrete control functions mounted on the SCSM control panel;
the PLC provides a ProfiNet communication mode of any and all signals exchanged with the FCS, the ACAE/ASE is equipped with an electronic copy of the programming software and control program, and the PLC software is not password protected.
The disclosed embodiments also provide a non-transitory computer readable storage medium storing computer instructions for causing the computer to execute the turbine test apparatus volute strip cooling water supply system in the foregoing method embodiments.
More specific examples of a computer readable storage medium could include a portable computer diskette, a hard disk, an erasable programmable read-only memory (E2 PROM or flash memory), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer-readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device, the computer-readable medium being embodied in the electronic device; or may exist alone without being incorporated into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, enable the electronic device to implement the solutions provided by the method embodiments described above.
Computer program code for carrying out operations of the present disclosure may be written in one or more programming languages, or combinations thereof, and the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (9)
1. Turbine test equipment spiral case extension board cooling water supply system, its characterized in that: comprising the following steps:
SCSM controller: the SCSM is used for performing related operations such as activation setting, coolant initialization and the like according to command bits of the facility control system, and the SCSM internally comprises a control box and a CPU;
programmable logic controller PLC: for providing local control of all devices on the SCSM;
the correlating operation includes: activation setup, coolant initialization, running, shutdown, standby pump operation switched automatically by the SCSM controller;
activating the setting: the SCSM controller is used for setting the SCSM controller for subsequent use;
coolant initialization: the cooling device is used for heating or cooling the cooling liquid to the temperature of the support plate;
and (3) running: for normally supplying cooling water;
the standby pump is automatically switched: for preventing the main pump from malfunctioning or failing;
and (3) stopping: the device is used for stopping the cooling water supply system, and is convenient to maintain and replace.
2. The turbine test apparatus volute support cooling water supply system of claim 1, wherein: connecting the supply and return coolant pipelines connected to the support plate, performing leakage and pressure resistance inspection on the supply and return coolant pipelines, and performing activation setting on the SCSM controller;
activating the setting: starting a first power supply at the disconnected position of the SCSM on the local panel, manually opening a supply valve and a return valve of cold side cooling water of the water heat exchangers, verifying the flow rate of the cold side cooling water of each heat exchanger by using a related flowmeter, respectively trimming adjustable flow limiting holes of an IP support plate and an EP support plate HX to achieve the required flow rate of the cooling water, manually opening a filter valve to respectively flow through filters of the IP support plate and the EP support plate cooling liquid, opening the related bypass valve if the filters respectively flow through the filters of the IP support plate cooling liquid and the EP support plate cooling liquid are stopped, checking the liquid level of a cooling liquid storage tank, increasing the liquid level or reducing the liquid level to achieve 150 liters if the liquid level is full of 60%, increasing or reducing 10 liters if the liquid level is full of 60%, ventilating a water tank according to requirements, respectively opening an instrument air source of a storage tank pressure regulator for the IP-SCSM storage tank and the EP-SCSM, verifying that the pressure of each storage tank reaches a certain value and is stable, manually adjusting the pressure of the related regulator according to requirements, and setting an SCSM operation mode to be remotely controlled by using a switch on a front panel of a local SCSM control cabinet;
the IP is an air inlet volute, the EP is an air outlet volute, and the first power supply is 380V three-phase alternating current with the frequency of 50 Hz;
after activation of the settings for each SCSM, the pump is ready to be operated to heat or cool the coolant as needed before circulating through the support plate.
3. The turbine test apparatus volute support cooling water supply system of claim 1, wherein: after the activation setup procedure is completed, the SCSM controller prepares for coolant initialization, including heating, cooling, starting a coolant pump and initializing (heating or cooling) the coolant to the strip temperature to match the strip temperature;
the cooling fluid flows through the plate to control the temperature, and when the cooling fluid begins to flow through the plate, the FCS changes the temperature set point for the plate temperature to a calculated value based on the plenum outer and inner wall temperature measurements near the plate.
4. The turbine test apparatus volute support cooling water supply system of claim 1, wherein: when the cooling liquid starts to flow to the support plate, the SCSM controller automatically switches to operate;
and (3) running: the SCSM controller provides TTF ready-to-operate signals to the FCS, and the coolant temperature set point from the FCS changes from the support plate temperature to a calculated value based on the measured values of the inner and outer wall static pressure tanks near the support plate;
when the TTF is above ambient temperature, the SCSM continues to operate, modulating the coolant temperature to cool or heat to match the temperature set point of the FCS;
the FCS control signal is transmitted to the SCSM controller via the Profinet to verify the communication link, the signal failure indicating an interruption of the Profinet communication, and an interruption of the coolant temperature set point update, if this communication failure occurs, the SCSM controller automatically changes the coolant source temperature set point from the value of the Profinet communication to the value provided by the hard-wired analog signal, and after resumption of the Profinet communication, the source of the coolant temperature set point is restored to the value of the Profinet communication.
5. The turbine test apparatus volute support cooling water supply system of claim 1, wherein: in order to prevent the main pump from faults or faults, each coolant pump is provided with a special standby pump, and the SCSM controller independently realizes automatic switching of the standby pumps;
the standby pump is automatically switched: the SCSM controller detects pump failure such as motor overload, motor overheat, motor contactor failure, pump outlet pressure low, pump outlet flow rate low, etc., the SCSM controller starts the backup pump, the motor starter contactor of the backup pump fails to indicate the off position within 5 seconds, the TTF will stop, wait 10 seconds, let the backup pump reach speed, then command the failed main pump to shut down, monitor the coolant flow rate to verify if the level is correct, if sufficient coolant flow is not detected within 1 minute, the SCSM controller sets a system failure bit to the FCS, the TTF stops, and the coolant supply to the booster support is resumed at this time.
6. The turbine test apparatus volute support cooling water supply system of claim 5, wherein: after TTF is turned off, i.e., when heated air ceases to flow through TTA, the SCSM controller must continue to operate until the plenum is sufficiently cooled, FCS continues to monitor the plenum temperature to determine the fulcrum coolant temperature setpoint, and coolant flow ceases when the coolant temperature setpoint is within 10 ℃ of ambient temperature;
and (3) stopping: the FCS provides a stop command for the IP or EP strip coolant supply, the SCSM controller deactivates the associated tank heater, the SCSM controller monitors the FCS coolant temperature set point, and when the ambient or other safety temperature is below 10 ℃, the pump is commanded to stop, the SCSM controller commands the strip isolation valve to close, the SCSM controller commands the strip bypass valve to open, the SCSM controller deactivates the temperature controller, if the TTF is not restarted immediately, the field technician can manually vent the coolant tank to atmosphere by adjusting the set point for the IP or EP applicable regulator, the isolation valve for the water heat exchanger cold side coolant supply is closed, if maintenance is not required, can remain open, at which point the strip coolant flow is stopped, and the system is safely inspected or maintained.
7. The turbine test apparatus volute support cooling water supply system of claim 1, wherein: the SCSM uses local controls including settings from the SCSM control panel;
and (3) local control: the SCSM is equipped with a local control panel for testing, inspection and manual operation, which provides a means to activate the SCSM controller ac power, by blowing open or circuit breakers, which can be set to open no door, selecting a local/remote mode of operation, turning on/off the pump and controlling the heater operation, the local control mode allowing the pump and heater to be operated without status/readiness checks, thus the operator is responsible for ensuring safe and proper settings, SCSM control process measurements such as flow rate, display of pressure are provided by each meter transducer, and are displayed on the touch screen.
8. The turbine test apparatus volute support cooling water supply system of claim 7, wherein: SCSM use also includes remote control set from the SCSM control panel;
remote control: remote control comes from FCS, board heat exchange system control via CPU ethernet communications of siemens 1200 and control networking control of ACAE turbine test equipment, field parameter monitoring room central networking monitoring, PLC is provided either integrally with human machine interface HMI providing local control functions such as pump on/off, heater on/off, etc., or as a stand alone device interfacing with buttons and other discrete control functions mounted on the SCSM control panel;
the PLC provides a ProfiNet communication mode of any and all signals exchanged with the FCS, the ACAE/ASE is equipped with an electronic copy of the programming software and control program, and the PLC software is not password protected.
9. The turbine test apparatus volute support cooling water supply system of claim 8, wherein: the SCSM operation needs instrument and control signals, all instrument signals are transmitted to the FCS through a ProfiNet connection, and Profinet communication is adopted between the SCSM and the FCS;
the PLC provides full automatic control based on the remote mode in the operating state of the FCS setup, and the PLC also provides a ProfiNet communication mode for any and all signals exchanged with the FCS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311064986.4A CN117387952A (en) | 2023-08-23 | 2023-08-23 | Turbine test equipment spiral case extension board cooling water supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311064986.4A CN117387952A (en) | 2023-08-23 | 2023-08-23 | Turbine test equipment spiral case extension board cooling water supply system |
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| CN117387952A true CN117387952A (en) | 2024-01-12 |
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| CN202311064986.4A Pending CN117387952A (en) | 2023-08-23 | 2023-08-23 | Turbine test equipment spiral case extension board cooling water supply system |
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- 2023-08-23 CN CN202311064986.4A patent/CN117387952A/en active Pending
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