CN203348059U - 300MW reactor coolant pump measuring system - Google Patents

300MW reactor coolant pump measuring system Download PDF

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Publication number
CN203348059U
CN203348059U CN 201320401291 CN201320401291U CN203348059U CN 203348059 U CN203348059 U CN 203348059U CN 201320401291 CN201320401291 CN 201320401291 CN 201320401291 U CN201320401291 U CN 201320401291U CN 203348059 U CN203348059 U CN 203348059U
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CN
China
Prior art keywords
transducer
temperature
temperature transducer
sensor
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201320401291
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Chinese (zh)
Inventor
吴景鑫
吕延光
江福
徐坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Electric Power Equipment Co Ltd
Original Assignee
Harbin Electric Power Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Electric Power Equipment Co Ltd filed Critical Harbin Electric Power Equipment Co Ltd
Priority to CN 201320401291 priority Critical patent/CN203348059U/en
Application granted granted Critical
Publication of CN203348059U publication Critical patent/CN203348059U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a 300MW reactor coolant pump measuring system. A temperature sensor is connected to a temperature transmitter through a shielding signal line to convert PT100 resistance signals into analog signals, the temperature transmitter is connected to a data collection module through a shielding signal line to transmit the analog signals to a collection module, a liquid level sensor, a pressure sensor, a vibration sensor and a position sensor are connected to the data collection module through signal lines. Signals output by the sensors are analog signals, are needless of conversion through the transmitter and can be directly output to the collection module to finally reach a human-machine interaction interface, real-time monitoring on a main pump is realized, and operating conditions of the main pump can be known by operating personnel at any time.

Description

300MW reactor coolant pump measuring system
Technical field: the utility model relates to the reactor coolant pump measuring system.
Background technique: reactor coolant pump is one of nuclear island one loop most important functions parts.This reactor coolant pump is for a long time under the environment in high temperature, high pressure, intense radiation, stable, safe operation, and pump assembly and parts thereof should be able to bear safe shutdown earthquake (SSE) and not reduce performance, maintain structural integrity and performability.The reactor coolant pump measuring system is the system of each parts runnability of Real-Time Monitoring main pump that provides for reactor coolant pump.Because nuclear reaction produces radiation, must be operated and be detected by technology such as far distance automatic controlling, necessary high safety is reliable, perfectly safe.Therefore the sensor of this system is selected and layout etc. has quite high technical requirements.
The invention content: the purpose of this utility model be to provide a kind of by real-time data transmissions such as the temperature of the main key position of main pump, pressure the 300MW reactor coolant pump measuring system to human-computer interaction interface, make operator can constantly understand the runnability of main pump.The technical solution of the utility model is: a kind of 300MW reactor coolant pump measuring system, by sensor, signaling line, transmitter forms, it is characterized in that: the first temperature transducer (4) is installed on main pump (1) main body, the second dress temperature transducer (8) is installed in series on the auxiliary piping (2) of main pump (1), the 3rd dress temperature transducer (9), HP cooler (18) export pipeline on auxiliary piping (3) the 4th temperature transducer (5) that is installed in series, the 5th dress temperature transducer (6), the 6th temperature transducer (7) is installed on inlet ductwork, upper vibration transducer (10) and the position transducer (11) installed of pump shaft (17), upper the first liquid level sensor (12) of installing of the lower fuel tank of main pump (19), top tank (20) is installed the second liquid level sensor (13), the upper setting pressure sensor (14) of top oil pump outlet (21), upper the 7th temperature transducer (15) of installing of thrust-bearing (22), upper the 8th temperature transducer (16) of installing of oil guide bearing (23), the first temperature transducer (4), the second dress temperature transducer (8), the 3rd dress temperature transducer (9), the 4th temperature transducer (5), the 5th dress temperature transducer (6), the 6th temperature transducer (7), the 7th temperature transducer (15), the 8th temperature transducer (16) is connected to temperature transmitter (24) by signaling line resistance signal is converted to analogue signal, temperature transmitter (24) is connected to data acquisition module (25) by signaling line, the first liquid level sensor (12), the second liquid level sensor (13) and pressure transducer (14), vibration transducer (10), position transducer (11) directly is connected to data acquisition module (25) by signaling line.
The utility model is mounting temperature sensor on the main pump main body, mounting temperature sensor on the auxiliary piping of main pump, HP cooler export pipeline mounting temperature sensor on auxiliary piping, mounting temperature sensor on inlet ductwork, install vibration transducer and position transducer on pump shaft, on the lower fuel tank of main pump, liquid level sensor is installed, top tank is installed liquid level sensor, the upper setting pressure sensor of top oil pump outlet, mounting temperature sensor on thrust-bearing, mounting temperature sensor on oily guide bearing.Temperature transducer is connected to temperature transmitter by the shielded signal line PT100 resistance signal is converted to analogue signal, temperature transmitter is connected to data acquisition module by the shielded signal line analog signal transmission is arrived to acquisition module, liquid level sensor and pressure transducer, vibration transducer, position transducer directly are connected to data acquisition module by signaling line, the signal of the upper sensor of take output is analogue signal, without changing by transmitter, directly output to acquisition module, the final human-computer interaction interface that arrives, realize the real-time detection to main pump.
The effect of invention: the temperature transducer that the main pump main body is installed can be measured the medium temperature before the main pump sealing, the temperature sensor measurement of installing on auxiliary piping enters the medium temperature of pump main body, temperature sensor measurement medium before and after HP cooler enters the medium temperature before and after HP cooler, the vibration transducer of installing on pump shaft is measured the moving value of vibration width of lower pump shaft, the liquid level sensor that upper lower fuel tank is installed is measured respectively upper and lower oil tank liquid level, top oil pump outlet pressure sensor is measured pump discharge pressure, the temperature sensor measurement thrust-bearing master's that thrust-bearing is installed watt temperature, the temperature of the temperature sensor measurement oil guide bearing that the oil guide bearing is installed.The measuring system that jointly forms main pump with upper sensor, the data of main pump key position, through strict design demonstration, can be measured in these installation of sensors positions, and the circuit formed by shielded signal line and transmitter connects, finally output to human-computer interaction interface, realize the real-time monitoring to main pump.When the main pump operation exception, the operator obtains the information that measuring system gathers the very first time, can take immediate measure, and avoids main pump to have an accident, and the vitals of protection main pump is not damaged.
The accompanying drawing explanation:
Fig. 1 is the utility model sensor layout plan
Fig. 2 is the utility model circuit connection diagram
Fig. 3 is the sensor parameters table
Embodiment:
As shown in Figure 1, a kind of 300MW reactor coolant pump measuring system, by sensor, signaling line, transmitter forms, and the first temperature transducer 4 is installed on main pump 1 main body, and the second dress temperature transducer 8 is installed in series on the auxiliary piping 2 of main pump 1, the 3rd dress temperature transducer 9, the 4th temperature transducer 5 that is installed in series of HP cooler 18 export pipelines on auxiliary piping 3, the 5th dress temperature transducer 6, the 6th temperature transducer 7 is installed on inlet ductwork, vibration transducer 10 and position transducer 11 are installed on pump shaft 17, the first liquid level sensor 12 is installed on the lower fuel tank 19 of main pump, top tank 20 is installed the second liquid level sensor 13, and setting pressure sensor 14 in the outlet 21 of top oil pump is installed the 7th temperature transducer 15 on thrust-bearing 22, on oil guide bearing 23, the 8th temperature transducer 16, the first temperature transducers 4 are installed, the second dress temperature transducer 8, the 3rd dress temperature transducer 9, the 4th temperature transducer 5, the 5th dress temperature transducer 6, the 6th temperature transducer 7, the 7th temperature transducer 15, the 8th temperature transducer 16 is connected to temperature transmitter 24 by signaling line resistance signal is converted to analogue signal, and temperature transmitter 24 is connected to data acquisition module 25, the first liquid level sensors 12 by signaling line, the second liquid level sensor 13 and pressure transducer 14, vibration transducer 10, position transducer 11 directly is connected to data acquisition module 25 by signaling line.Sensor model number as shown in Figure 3.
1) as shown in Figure 1, according to the characteristics such as main pump self structure compactness and need the signal type gathered, select the position of sensor installation.
2) analyzing the main pump working environment is the environmental conditions in nuclear island, and the accident environmental conditions
1.1 in containment
A) home condition
-temperature :≤49 ℃
-pressure: normal pressure (micro-negative pressure)
-relative moisture: 30% -80%
-40 years radioactivity Heavy metal radiation dose: 2.0 * 105Gy
B) accident environmental conditions
Loss of-coolant accident (LOCA) (LOCA) operating mode
-temperature:<135 ℃
-pressure: 0.30MPa(g)
-relative moisture: 100%
30 days radioactive build-up radiation-absorbing dosage: 8.0 * 104Gy after-accident
-spraying water composition: boric acid concentration: 2000ppm
Sodium hydroxide: 0.6%(by weight)
PH value :≤10
3) analyze safety class, quality assurance grade and shockproof requirements
A) the non-1E level of safety class
B) quality assurance grade QA3
C) shockproof requirements SSE
3) as shown in Figure 2, the resistance signal that the signal that at first temperature transducer collects is PT100, be input to temperature transmitter by the shielding signaling line by the PT100 signal, converts analogue signal to, by signaling line, is transferred to data acquisition module.The signal of all the other various kinds of sensors outputs is analogue signal, directly by the shielded signal line, is transferred to data acquisition module.Owing to having adopted the shielded signal line, the distortion rate of signal is lower, and we shorten signal transmission distance as far as possible simultaneously, signal degradation are dropped to minimum, thereby guarantees the reliability of measuring system, accuracy.

Claims (1)

1. a 300MW reactor coolant pump measuring system, by sensor, signaling line, transmitter forms, it is characterized in that: the first temperature transducer (4) is installed on main pump (1) main body, the second dress temperature transducer (8) is installed in series on the auxiliary piping (2) of main pump (1), the 3rd dress temperature transducer (9), HP cooler (18) export pipeline on auxiliary piping (3) the 4th temperature transducer (5) that is installed in series, the 5th dress temperature transducer (6), the 6th temperature transducer (7) is installed on inlet ductwork, upper vibration transducer (10) and the position transducer (11) installed of pump shaft (17), upper the first liquid level sensor (12) of installing of the lower fuel tank of main pump (19), top tank (20) is installed the second liquid level sensor (13), the upper setting pressure sensor (14) of top oil pump outlet (21), upper the 7th temperature transducer (15) of installing of thrust-bearing (22), upper the 8th temperature transducer (16) of installing of oil guide bearing (23), the first temperature transducer (4), the second dress temperature transducer (8), the 3rd dress temperature transducer (9), the 4th temperature transducer (5), the 5th dress temperature transducer (6), the 6th temperature transducer (7), the 7th temperature transducer (15), the 8th temperature transducer (16) is connected to temperature transmitter (24) by signaling line resistance signal is converted to analogue signal, temperature transmitter (24) is connected to data acquisition module (25) by signaling line, the first liquid level sensor (12), the second liquid level sensor (13) and pressure transducer (14), vibration transducer (10), position transducer (11) directly is connected to data acquisition module (25) by signaling line.
CN 201320401291 2013-07-08 2013-07-08 300MW reactor coolant pump measuring system Withdrawn - After Issue CN203348059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320401291 CN203348059U (en) 2013-07-08 2013-07-08 300MW reactor coolant pump measuring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320401291 CN203348059U (en) 2013-07-08 2013-07-08 300MW reactor coolant pump measuring system

Publications (1)

Publication Number Publication Date
CN203348059U true CN203348059U (en) 2013-12-18

Family

ID=49747968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320401291 Withdrawn - After Issue CN203348059U (en) 2013-07-08 2013-07-08 300MW reactor coolant pump measuring system

Country Status (1)

Country Link
CN (1) CN203348059U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306967A (en) * 2013-07-08 2013-09-18 哈尔滨电气动力装备有限公司 Measuring system for 300 MW reactor coolant pump

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306967A (en) * 2013-07-08 2013-09-18 哈尔滨电气动力装备有限公司 Measuring system for 300 MW reactor coolant pump

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20131218

Effective date of abandoning: 20150916

RGAV Abandon patent right to avoid regrant