CN117233600A - Method and device for starting high-temperature pile emergency diesel generator by using compressed air - Google Patents
Method and device for starting high-temperature pile emergency diesel generator by using compressed air Download PDFInfo
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- CN117233600A CN117233600A CN202311191151.5A CN202311191151A CN117233600A CN 117233600 A CN117233600 A CN 117233600A CN 202311191151 A CN202311191151 A CN 202311191151A CN 117233600 A CN117233600 A CN 117233600A
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- 230000000737 periodic effect Effects 0.000 claims description 11
- 239000007858 starting material Substances 0.000 claims description 9
- 238000012795 verification Methods 0.000 claims description 6
- 238000003556 assay Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 description 6
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Abstract
The embodiment of the disclosure provides a test method and a test device for starting a high-temperature reactor emergency diesel generator by using compressed air, wherein the test method comprises the following steps: the first compressed air tank is controlled to be communicated with the starting motor loop and the air distributor loop for a plurality of times respectively so as to start the emergency diesel generator until the emergency diesel generator cannot be started, and the residual air pressure of the first compressed air tank after each start is recorded; the second compressed air tank is controlled to be communicated with the starting motor loop and the air distributor loop for a plurality of times respectively so as to start the emergency diesel generator until the emergency diesel generator cannot be started, and the residual air pressure of the second compressed air tank after each start is recorded; and calculating to obtain the standard air pressure difference required by starting the emergency diesel generator according to the residual air pressure of the first compressed air tank and the second compressed air tank. Data support is provided for starting the diesel generator, and references are provided for the compressed air capacity and daily maintenance of the following related types.
Description
Technical Field
The embodiment of the disclosure belongs to the technical field of nuclear power, and particularly relates to a test method and a test device for starting a high-temperature reactor emergency diesel generator by using compressed air.
Background
The high-temperature gas cooled reactor emergency diesel generator set is arranged into two independent safe power supply sequences according to the division of two emergency shutdown and a special safety facility load group of each reactor. The emergency diesel generator set requires that when the normal power supply outside the plant is completely lost, the set should start power supply within a specified time, and the process system loads which are specified on the emergency bus and allow the power supply to be interrupted for a certain time are supplied with electric energy according to the requirements of the load program, and the loads are safe auxiliary loads shared by two stacks and necessary unsafe loads.
When the normal power supply is lost, the high-temperature pile emergency diesel generator is started by compressed air. When the engine is started, the control command opens the 'starting motor electromagnetic valve', the compressed air enters the starting motor to push the large shaft of the diesel generator to rotate, and the emergency diesel generator compresses fuel after reaching a certain rotating speed, so that the starting process is completed. At present, after the compressed air starts the emergency diesel generator, an air distributor loop is not needed to start, the starting motor and the starting capability of the air distributor cannot be verified, and the air storage capacity of the compressed air tank cannot be verified.
Disclosure of Invention
The embodiment of the disclosure aims at solving at least one of the technical problems existing in the prior art and provides a test method and a test device for starting a high-temperature reactor emergency diesel generator by using compressed air.
In one aspect of the disclosed embodiments, a test method for starting a thermopile emergency diesel generator with compressed air is provided, a starting circuit of the emergency diesel generator comprising a starting motor circuit and an air distributor circuit, the starting motor circuit and the air distributor circuit being selectively in communication with one of a first compressed air tank and a second compressed air tank; the method comprises the following steps:
the first compressed air tank is controlled to be communicated with the starting motor loop and the air distributor loop for multiple times respectively, so that the starting motor or the air distributor is driven by compressed air to start the emergency diesel generator until the emergency diesel generator cannot be started, and the residual air pressure of the first compressed air tank after each start is recorded respectively;
the second compressed air tank is controlled to be communicated with the starting motor loop and the air distributor loop for multiple times respectively, so that the starting motor or the air distributor is driven by compressed air to start the emergency diesel generator until the emergency diesel generator cannot be started, and the residual air pressure of the second compressed air tank after each start is recorded respectively;
and calculating to obtain the standard air pressure difference required by each starting of the emergency diesel generator according to the residual air pressure of the first compressed air tank and the second compressed air tank after each starting.
In some embodiments, the outlet side of the first compressed air tank is provided with a first outlet valve; a second outlet valve is arranged on the outlet side of the second compressed air tank;
the controlling of the first compressed air tank in communication with the starter motor circuit and the air distributor circuit, respectively, includes:
closing the second outlet valve and the start valve on the inlet side of the air distributor, and opening the first outlet valve and the solenoid valve on the inlet side of the start motor so that the first compressed air tank is communicated with the start motor loop;
closing a solenoid valve on the inlet side of the actuator motor, opening an actuator valve on the inlet side of the air distributor to place the first compressed air tank in communication with the air distributor circuit;
the controlling of the second compressed air tank in communication with the starter motor circuit and the air distributor circuit, respectively, includes:
closing the first outlet valve and the start valve on the inlet side of the air distributor, and opening the second outlet valve and the solenoid valve on the inlet side of the start motor so that the second compressed air tank is communicated with the start motor loop;
closing the solenoid valve on the inlet side of the starter motor and opening the starter valve on the inlet side of the air distributor to place the second compressed air tank in communication with the starter motor circuit.
In some embodiments, the assay method further comprises:
during operation of the high-temperature reactor unit, the first compressed air tank and the second compressed air tank are adopted to perform a periodic starting test on the emergency diesel generator;
when the emergency diesel generator fails to start, recording the actual residual air pressure of a compressed air tank after the emergency diesel generator is started, and calculating the actual air pressure difference during the starting according to the actual residual air pressure;
and verifying the starting performance of the emergency diesel generator according to the standard air pressure difference and the actual air pressure difference.
In some embodiments, said verifying the starting performance of said emergency diesel generator from said standard air pressure difference and said actual air pressure difference comprises:
according to each standard air pressure difference, determining the upper limit value and the lower limit value of the pressure difference when the emergency diesel generator is started normally, and obtaining a pressure difference threshold value;
if the actual air pressure difference exceeds the pressure difference threshold value, judging that the emergency diesel generator has a fault; the method comprises the steps of,
and if the actual air pressure difference is within the pressure difference threshold value, judging that the emergency diesel generator is normal.
In some embodiments, the failure of the diesel generator comprises: blow-by and/or internal component wear.
In a second aspect of the invention there is provided a test apparatus for starting a thermopile emergency diesel generator with compressed air, the apparatus comprising:
the first control module is used for respectively controlling the first compressed air tank to be communicated with the starting motor loop and the air distributor loop for a plurality of times so as to drive the starting motor or the air distributor to start the emergency diesel generator by using compressed air until the emergency diesel generator cannot be started, and respectively recording the residual air pressure of the first compressed air tank after each start;
the second control module is used for respectively controlling the second compressed air tank to be communicated with the starting motor loop and the air distributor loop for a plurality of times so as to drive the starting motor or the air distributor to start the emergency diesel generator by using compressed air until the emergency diesel generator cannot be started, and respectively recording the residual air pressure of the second compressed air tank after each start;
and the calculation module is used for calculating and obtaining the standard air pressure difference required by each time of starting the emergency diesel generator according to the residual air pressure of the first compressed air tank and the second compressed air tank after each time of starting.
In some embodiments, the apparatus further comprises:
the periodic test module is used for carrying out periodic starting test on the emergency diesel generator by adopting the first compressed air tank and the second compressed air tank during the operation of the high-temperature reactor unit;
the calculation module is also used for recording the actual residual air pressure of the compressed air tank after the emergency diesel generator is started when the emergency diesel generator is failed to be started, and calculating the actual air pressure difference during the starting according to the actual residual air pressure;
and the verification module is used for verifying the starting performance of the emergency diesel generator according to the standard air pressure difference and the actual air pressure difference.
In some embodiments, the verification module is specifically further configured to:
according to each standard air pressure difference, determining the upper limit value and the lower limit value of the pressure difference when the emergency diesel generator is started normally, and obtaining a pressure difference threshold value;
if the actual air pressure difference exceeds the pressure difference threshold value, judging that the emergency diesel generator has a fault; the method comprises the steps of,
and if the actual air pressure difference is within the pressure difference threshold value, judging that the emergency diesel generator is normal.
In some embodiments, the failure of the emergency diesel generator comprises: blow-by and/or internal component wear.
The test method and the test device for starting the high-temperature pile emergency diesel generator by using the compressed air are applicable to a high-temperature pile emergency diesel generator compressed air system, the effective times of the pressure and the volume of a compressed air tank on two starting modes are measured, and finally, basic data of a diesel starting test are obtained and are used as original reference quantity of the diesel generator. Data support is provided for starting the diesel generator, and references are provided for the compressed air capacity and daily maintenance of the subsequent diesel generator of the relevant type.
Drawings
FIG. 1 is a schematic diagram of a startup loop of an emergency diesel generator according to an embodiment of the present disclosure;
FIG. 2 is a flow chart of a test method for starting a thermopile emergency diesel generator with compressed air in accordance with an embodiment of the present disclosure;
FIG. 3 is a flow chart of a test method for starting a thermopile emergency diesel generator with compressed air in accordance with an embodiment of the present disclosure;
fig. 4 is a schematic structural view of a test apparatus for starting a thermopile emergency diesel generator using compressed air according to an embodiment of the present disclosure.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the embodiments of the present disclosure, the embodiments of the present disclosure are described in further detail below with reference to the accompanying drawings and detailed description.
Embodiments of the present disclosure relate to a test method for starting a thermopile emergency diesel generator with compressed air. As shown in fig. 1, the starting circuit of the emergency diesel generator 1 comprises a starting motor circuit and an air distributor circuit, which are selectively in communication with one of the first and second compressed air tanks 2, 3.
As shown in fig. 2, a test method for starting a high temperature reactor emergency diesel generator by using compressed air, the method comprising the steps of:
step S110, the first compressed air tank is controlled to be communicated with the starting motor loop and the air distributor loop for multiple times respectively, so that the starting motor or the air distributor is driven by compressed air to start the emergency diesel generator until the emergency diesel generator cannot be started, and the residual air pressure of the first compressed air tank after each start is recorded respectively.
And step S120, respectively controlling the second compressed air tank to be communicated with the starting motor loop and the air distributor loop for multiple times, so that the starting motor or the air distributor is driven by compressed air to start the emergency diesel generator until the emergency diesel generator cannot be started, and respectively recording the residual air pressure of the second compressed air tank after each start.
And step S130, calculating to obtain the standard air pressure difference required by each starting of the emergency diesel generator according to the residual air pressure of the first compressed air tank and the second compressed air tank after each starting.
The test method for starting the high-temperature pile emergency diesel generator by using the compressed air is applicable to a high-temperature pile emergency diesel generator compressed air system, measures the effective times of the pressure and the volume of a compressed air tank on two starting modes, and finally obtains basic data of a diesel starting test as an original reference quantity of the diesel generator. Data support is provided for starting the diesel generator, and references are provided for the compressed air capacity and daily maintenance of the subsequent diesel generator of the relevant type.
Illustratively, as shown in fig. 1, the outlet side of the first compressed air tank 2 is provided with a first outlet valve F1, and the outlet side of the second compressed air tank 3 is provided with a second outlet valve F2. Correspondingly, a starting motor 4 and a solenoid valve F3 thereof are connected in series on the starting motor circuit, and an air distributor 5 and a starting valve F4 thereof are connected in series on the air distributor circuit.
The controlling of the first compressed air tank in communication with the starter motor circuit and the air distributor circuit, respectively, includes: the second outlet valve F2 and the start valve F4 on the inlet side of the air distributor are closed, and the first outlet valve F1 and the solenoid valve F3 on the inlet side of the start motor are opened so that the first compressed air tank 2 communicates with the start motor circuit. The solenoid valve F3 on the inlet side of the actuator motor is closed and the actuator valve F4 on the inlet side of the air distributor is opened so that the first compressed air tank 2 communicates with the air distributor circuit.
The controlling of the second compressed air tank in communication with the starter motor circuit and the air distributor circuit, respectively, includes: the first outlet valve F1 and the start valve F4 on the inlet side of the air distributor are closed, and the second outlet valve F2 and the solenoid valve F3 on the inlet side of the start motor are opened so that the second compressed air tank 3 communicates with the start motor circuit. The solenoid valve F3 on the inlet side of the actuator motor is closed and the actuator valve F4 on the inlet side of the air distributor is opened so that the second compressed air tank 3 communicates with the air distributor circuit.
The test method of the present disclosure for starting a thermopile emergency diesel generator with compressed air will be described in detail below with one specific example.
And 1, filling the first compressed air tank and the second compressed air tank.
Specifically, in this step, in conjunction with fig. 1, a first air compressor 6, a first check valve F5, and a first manual valve F6 are sequentially disposed on the charging line of the first compressed air tank 2, and the first air compressor 6 is electrically connected to the first energy storage motor 7. A second air compressor 8, a second check valve F7 and a second manual valve F8 are sequentially arranged on the charging pipeline of the second compressed air tank 3, and the second air compressor 8 is electrically connected with a second energy storage motor 9.
When the first compressed air tank 2 is inflated, the first check valve F5 and the first manual valve F6 are opened, the first energy storage motor 7 is utilized to drive the first air compressor 6 to work, so that the first compressed air tank 2 is inflated, and when the first compressed air tank 2 is full, the first energy storage motor 7, the first check valve F5 and the first manual valve F6 are closed.
Correspondingly, when the second compressed air tank 3 is inflated, the second check valve F7 and the second manual valve F8 are opened, the second energy storage motor 9 is utilized to drive the second air compressor 8 to work, so that the second compressed air tank 3 is inflated, and when the second compressed air tank 3 is full, the second energy storage motor 9, the second check valve F7 and the second manual valve F8 are closed.
And 2, closing a second outlet valve and a starting valve at the inlet side of the air distributor, and opening electromagnetic valves at the inlet side of the first outlet valve and the starting motor so that the first compressed air tank is communicated with the starting motor loop.
Specifically, in this step, as shown in fig. 1, the second outlet valve F2 and the starting valve F4 at the inlet side of the air distributor are closed, the first outlet valve F1 and the solenoid valve F3 at the inlet side of the starting motor are opened, so that the first compressed air tank 2 is communicated with the starting motor loop, the compressed air in the first compressed air tank 2 drives the starting motor to start the emergency diesel generator 1 until the emergency diesel generator 1 cannot be started, and the residual air pressure of the first compressed air tank 2 after each start is recorded respectively as shown in the following table 1:
table 1 data recorded from a first test of a first compressed air tank
And 3, refilling the first compressed air tank.
And 4, closing the electromagnetic valve at the inlet side of the starting motor, and opening the starting valve at the inlet side of the air distributor so that the first compressed air tank is communicated with the air distributor loop.
Specifically, in this step, in combination with fig. 1, the solenoid valve F3 at the inlet side of the starting motor is closed, the starting valve F4 at the inlet side of the air distributor is opened, so that the first compressed air tank 2 is communicated with the air distributor loop, and the compressed air in the first compressed air tank 2 drives the air distributor to start the emergency diesel generator 1 until the emergency diesel generator 1 cannot be started, and the residual air pressure of the first compressed air tank 2 after each start is recorded respectively as shown in the following table 2:
table 2 data recorded from a second test of a first compressed air tank
And 5, closing the first outlet valve and the starting valve at the inlet side of the air distributor, and opening the second outlet valve and the electromagnetic valve at the inlet side of the starting motor so that the second compressed air tank is communicated with the starting motor loop.
Specifically, in this step, in combination with fig. 1, the first outlet valve F1 and the start valve F4 on the inlet side of the air distributor are closed, and the second outlet valve F2 and the solenoid valve F3 on the inlet side of the start motor are opened so that the second compressed air tank 3 is in communication with the start motor circuit. The compressed air in the second compressed air tank 3 drives the starting motor to start the emergency diesel generator 1 until the emergency diesel generator 1 cannot be started, and the residual air pressure of the second compressed air tank 3 after each start is recorded respectively as shown in the following table 3:
table 3 data recorded from the first test of the second compressed air tank
And 6, refilling the second compressed air tank.
And 7, closing the electromagnetic valve at the inlet side of the starting motor, and opening the starting valve at the inlet side of the air distributor so that the second compressed air tank is communicated with the starting motor loop.
Specifically, in this step, in combination with fig. 1, the solenoid valve F3 on the inlet side of the start motor is closed, and the start valve F4 on the inlet side of the air distributor is opened so that the second compressed air tank 2 communicates with the air distributor circuit. The compressed air in the second compressed air tank 3 drives the air distributor to start the emergency diesel generator 1 until the emergency diesel generator 1 cannot be started, and the residual air pressure of the second compressed air tank 3 after each start is recorded respectively as shown in the following table 4:
table 4 data recorded for the second test of the second compressed air tank
Illustratively, as shown in fig. 3, the test method S100 further includes the steps of:
and step S140, during the operation of the high-temperature reactor unit, the first compressed air tank and the second compressed air tank are adopted to perform a periodic starting test on the emergency diesel generator.
Specifically, in this step, the specific process of performing the periodic start test on the emergency diesel generator by using the first compressed air tank and the second compressed air tank is referred to the test step mentioned above, and will not be described herein.
And step S150, when the emergency diesel generator fails to start, recording the actual residual air pressure of the compressed air tank after the emergency diesel generator is started, and calculating the actual air pressure difference during the starting according to the actual residual air pressure.
And step 160, verifying the starting performance of the emergency diesel generator according to the standard air pressure difference and the actual air pressure difference.
Specifically, in the step, according to each standard air pressure difference obtained in the test process, the upper limit value and the lower limit value of the pressure difference when the emergency diesel generator is started normally are determined, and a pressure difference threshold value is obtained. And if the actual air pressure difference exceeds the pressure difference threshold, judging that the emergency diesel generator has faults, otherwise, judging that the emergency diesel generator is normal if the actual air pressure difference is within the pressure difference threshold. In some embodiments, the failure of the diesel generator comprises: blow-by and/or internal component wear.
In a second aspect of the present invention, as shown in fig. 4, a test apparatus 100 for starting a high-temperature reactor emergency diesel generator by using compressed air is provided, and the test apparatus 100 is suitable for the test method described above, and the description thereof will be omitted herein. The apparatus 100 includes a first control module 110, a second control module 120, and a calculation module 130.
Specifically, as shown in fig. 4, the first control module 110 is configured to control the first compressed air tank to be communicated with the starting motor loop and the air distributor loop for multiple times, so as to drive the starting motor or the air distributor to start the emergency diesel generator by using compressed air until the emergency diesel generator cannot be started, and record the residual air pressure of the first compressed air tank after each start.
The second control module 120 is configured to control the second compressed air tank to be communicated with the starting motor loop and the air distributor loop for multiple times, so as to drive the starting motor or the air distributor to start the emergency diesel generator by using compressed air until the emergency diesel generator cannot be started, and record the residual air pressure of the second compressed air tank after each start.
The calculation module 130 is configured to calculate a standard air pressure difference required for each start of the emergency diesel generator according to the residual air pressures of the first compressed air tank and the second compressed air tank after each start.
The test device for starting the high-temperature pile emergency diesel generator by using the compressed air is applicable to a high-temperature pile emergency diesel generator compressed air system, measures the effective times of the pressure and the volume of a compressed air tank on two starting modes, and finally obtains basic data of a diesel starting test as an original reference quantity of the diesel generator. Data support is provided for starting the diesel generator, and references are provided for the compressed air capacity and daily maintenance of the subsequent diesel generator of the relevant type.
Illustratively, as shown in FIG. 4, the apparatus further includes a periodic test module 140 and a verification module 150. The periodic test module 140 is configured to perform a periodic start-up test on the emergency diesel generator using the first compressed air tank and the second compressed air tank during operation of the thermopile unit. The calculation module 130 is further configured to record an actual residual air pressure of the compressed air tank after the emergency diesel generator is started when the emergency diesel generator fails to be started, and calculate an actual air pressure difference at the time of starting according to the actual residual air pressure. The verification module 150 is configured to verify the starting performance of the emergency diesel generator according to the standard air pressure difference and the actual air pressure difference.
Illustratively, as shown in fig. 4, the verification module 150 is specifically further configured to:
according to each standard air pressure difference, determining the upper limit value and the lower limit value of the pressure difference when the emergency diesel generator is started normally, and obtaining a pressure difference threshold value;
if the actual air pressure difference exceeds the pressure difference threshold value, judging that the emergency diesel generator has faults, such as air leakage and/or internal part abrasion of the emergency diesel generator; and if the actual air pressure difference is within the pressure difference threshold, judging that the emergency diesel generator is normal.
It is to be understood that the above implementations are merely exemplary implementations employed to illustrate the principles of the disclosed embodiments, which are not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the embodiments of the disclosure, and these modifications and improvements are also considered to be within the scope of the embodiments of the disclosure.
Claims (9)
1. A test method for starting a thermopile emergency diesel generator with compressed air, the starting circuit of the emergency diesel generator comprising a starting motor circuit and an air distributor circuit, characterized in that the starting motor circuit and the air distributor circuit are selectively in communication with one of a first compressed air tank and a second compressed air tank; the method comprises the following steps:
the first compressed air tank is controlled to be communicated with the starting motor loop and the air distributor loop for multiple times respectively, so that the starting motor or the air distributor is driven by compressed air to start the emergency diesel generator until the emergency diesel generator cannot be started, and the residual air pressure of the first compressed air tank after each start is recorded respectively;
the second compressed air tank is controlled to be communicated with the starting motor loop and the air distributor loop for multiple times respectively, so that the starting motor or the air distributor is driven by compressed air to start the emergency diesel generator until the emergency diesel generator cannot be started, and the residual air pressure of the second compressed air tank after each start is recorded respectively;
and calculating to obtain the standard air pressure difference required by each starting of the emergency diesel generator according to the residual air pressure of the first compressed air tank and the second compressed air tank after each starting.
2. Method according to claim 1, characterized in that the outlet side of the first compressed air tank is provided with a first outlet valve; a second outlet valve is arranged on the outlet side of the second compressed air tank;
the controlling of the first compressed air tank in communication with the starter motor circuit and the air distributor circuit, respectively, includes:
closing the second outlet valve and the start valve on the inlet side of the air distributor, and opening the first outlet valve and the solenoid valve on the inlet side of the start motor so that the first compressed air tank is communicated with the start motor loop;
closing a solenoid valve on the inlet side of the actuator motor, opening an actuator valve on the inlet side of the air distributor to place the first compressed air tank in communication with the air distributor circuit;
the controlling of the second compressed air tank in communication with the starter motor circuit and the air distributor circuit, respectively, includes:
closing the first outlet valve and the start valve on the inlet side of the air distributor, and opening the second outlet valve and the solenoid valve on the inlet side of the start motor so that the second compressed air tank is communicated with the start motor loop;
closing the solenoid valve on the inlet side of the actuator motor and opening the actuator valve on the inlet side of the air distributor to place the second compressed air tank in communication with the air distributor circuit.
3. The method of claim 1 or 2, wherein the assay method further comprises:
during operation of the high-temperature reactor unit, the first compressed air tank and the second compressed air tank are adopted to perform a periodic starting test on the emergency diesel generator;
when the emergency diesel generator fails to start, recording the actual residual air pressure of a compressed air tank after the emergency diesel generator is started, and calculating the actual air pressure difference during the starting according to the actual residual air pressure;
and verifying the starting performance of the emergency diesel generator according to the standard air pressure difference and the actual air pressure difference.
4. A method according to claim 3, wherein said verifying the starting performance of the emergency diesel generator from the standard air pressure difference and the actual air pressure difference comprises:
according to each standard air pressure difference, determining the upper limit value and the lower limit value of the pressure difference when the emergency diesel generator is started normally, and obtaining a pressure difference threshold value;
if the actual air pressure difference exceeds the pressure difference threshold value, judging that the emergency diesel generator has a fault; the method comprises the steps of,
and if the actual air pressure difference is within the pressure difference threshold value, judging that the emergency diesel generator is normal.
5. The method of claim 4, wherein the failure of the emergency diesel generator comprises: blow-by and/or internal component wear.
6. A test apparatus for starting a thermopile emergency diesel generator with compressed air, the apparatus comprising:
the first control module is used for respectively controlling the first compressed air tank to be communicated with the starting motor loop and the air distributor loop for a plurality of times so as to drive the starting motor or the air distributor to start the emergency diesel generator by using compressed air until the emergency diesel generator cannot be started, and respectively recording the residual air pressure of the first compressed air tank after each start;
the second control module is used for respectively controlling the second compressed air tank to be communicated with the starting motor loop and the air distributor loop for a plurality of times so as to drive the starting motor or the air distributor to start the emergency diesel generator by using compressed air until the emergency diesel generator cannot be started, and respectively recording the residual air pressure of the second compressed air tank after each start;
and the calculation module is used for calculating and obtaining the standard air pressure difference required by each time of starting the emergency diesel generator according to the residual air pressure of the first compressed air tank and the second compressed air tank after each time of starting.
7. The apparatus of claim 6, wherein the apparatus further comprises:
the periodic test module is used for carrying out periodic starting test on the emergency diesel generator by adopting the first compressed air tank and the second compressed air tank during the operation of the high-temperature reactor unit;
the calculation module is also used for recording the actual residual air pressure of the compressed air tank after the emergency diesel generator is started when the emergency diesel generator is failed to be started, and calculating the actual air pressure difference during the starting according to the actual residual air pressure;
and the verification module is used for verifying the starting performance of the emergency diesel generator according to the standard air pressure difference and the actual air pressure difference.
8. The apparatus of claim 7, wherein the authentication module is further configured to:
according to each standard air pressure difference, determining the upper limit value and the lower limit value of the pressure difference when the emergency diesel generator is started normally, and obtaining a pressure difference threshold value;
if the actual air pressure difference exceeds the pressure difference threshold value, judging that the emergency diesel generator has a fault; the method comprises the steps of,
and if the actual air pressure difference is within the pressure difference threshold value, judging that the emergency diesel generator is normal.
9. The apparatus of claim 7 or 8, wherein the failure of the emergency diesel generator comprises: blow-by and/or internal component wear.
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CN202311191151.5A CN117233600A (en) | 2023-09-14 | 2023-09-14 | Method and device for starting high-temperature pile emergency diesel generator by using compressed air |
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CN202311191151.5A CN117233600A (en) | 2023-09-14 | 2023-09-14 | Method and device for starting high-temperature pile emergency diesel generator by using compressed air |
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