CN213580055U - Nuclear power emergency diesel generating set air suction main starting valve control solenoid valve test system - Google Patents

Abstract

The utility model belongs to an emergent diesel generating set of nuclear power inhales main starting valve control solenoid valve test system, including the base, its characterized in that is equipped with SXH-12040 air compressor machine at the left end of base, and SXH-12040 air compressor machine's pipeline has been with 1m for the export³The inlet of the pressure container is communicated, an A2 manual valve is arranged between two flanges on the upper part of the tee joint, an air suction main starting valve is arranged between the two flanges on the upper part, an A2 manual ball valve, a loop control electromagnetic valve and a valve with the diameter of 0.2m are arranged³Pressure vessels are communicated and 0.2m³Piping for outlet of pressure vessel and0.2m³the pressure vessel oscillograph interfaces are communicated; 0.3m³The outlet of the pressure container passes through a pipeline for a flange and is 0.3m³The pressure vessel oscillograph interfaces are communicated. The system tests the performance of the air suction main starting valve and the loop control solenoid valve of the nuclear power emergency diesel generating set, improves the test reliability and the work efficiency, is simple and convenient to install, and reduces the manual operation time.

Description

Nuclear power emergency diesel generating set air suction main starting valve control solenoid valve test system

Technical Field

The utility model belongs to the test system of valve, in particular to emergent diesel generating set of nuclear power inhales main starting valve control solenoid valve test system.

Background

An emergency diesel generator set is a nuclear power emergency safety power supply which is directly related to nuclear safety, and aims to ensure the safety shutdown of the generator set and prevent key equipment from being damaged when a plant-service working power supply and an auxiliary power supply of a nuclear power station are in failure, so that fuel elements are protected from being damaged, and the emergency diesel generator set plays an important role in ensuring the nuclear safety. The main starting valve of breathing in and the control solenoid valve of return circuit are emergent diesel generating set's important component, and when nuclear power station overhaul at every turn, emergent diesel generating set all will overhaul the test, wherein breathe in main starting valve and the control solenoid valve of return circuit and need carry out flow, function and pressure-bearing test. The test mode that uses at present is the simple pipeline of roughly mode building, and the operation process is more loaded down with trivial details, and is inconvenient, wastes time and energy, and the security is lower, and can't simulate completely the use operating mode of the stable air supply of actual 4Mpa in use and the pipeline configuration actual conditions at scene, brings the hidden danger for safety in production.

Disclosure of Invention

The invention aims to overcome the technical defects and provides an SXH-12040 air compressor and a 1m air compressor³Pressure vessel, 0.3m³Pressure vessel, 0.2m³A nuclear power emergency diesel generating set inhales main starting valve control solenoid valve test system that parts such as various valves of pressure vessel constitute.

The utility model provides a technical problem, the technical scheme who adopts is: a test system for a control solenoid valve of a suction main starting valve of a nuclear power emergency diesel generating set comprises a base and is characterized in that an SXH-12040 air compressor is arranged at the left end of the base, and a pipeline I and a pipeline 1m for an outlet of the SXH-12040 air compressor are arranged at the left end of the base³The inlet of the pressure container is communicated, the first pipeline is connected by three flanges, and an A1 manual ball valve is arranged between the two flanges; 1m³Pipeline I and 0.3m for outlet of pressure container³The pressure container is communicated with the pressure reducing valve; the first pipeline section is communicated with the second pipeline section through seven flanges, two supporting seats are arranged on the first pipeline section, and a tee joint and an MPM 4860-2.0.. 7.0MPa E22C1G digital display pressure transmission device are arranged on the left surface of the lower supporting seatThe device is characterized in that an A3 manual ball valve is arranged between two flanges on the tee joint, and a main air suction starting valve is arranged between the two flanges on the upper part; the interfaces 1 and 3 of the main starting valve for air suction are both connected with the flange; 3. the 4 interfaces are respectively communicated with an inlet and an outlet on the upper surface of the electric valve through a second pipeline; the inlet and outlet of the electric valve are communicated with the pressure reducing valve and the inlet of the A2 manual ball valve through a pipeline four-way joint through a three-way joint respectively; the outlet of the A2 manual ball valve is respectively connected with a loop control electromagnetic valve and a 0.2m valve through a flange, a pipeline III and a tee joint³Pressure vessels are communicated and 0.2m³Pipeline for outlet of pressure vessel and 0.2m³The pressure vessel oscillograph interfaces are communicated; 0.3m³The outlet of the pressure container passes through a pipeline for a flange and is 0.3m³The pressure vessel oscillograph interfaces are communicated.

The beneficial effects of the utility model are that, this system breathes in main starting valve and return circuit control solenoid valve capability test to the emergent diesel generating set of nuclear power, has improved test reliability and work efficiency, and it is simple convenient to install, reduces manual operation time.

Drawings

The following description is made in detail by way of example with reference to the accompanying drawings.

FIG. 1 is an assembly schematic diagram of a nuclear power emergency diesel generating set suction main starting valve control solenoid valve test system.

In the figure: 1-a base; 2-SXH-12040 air compressor; 3-a1 manual ball valve; 4, a first pipeline; 5-1m³A pressure vessel; 6-main starting valve of inspiration; 7-0.3m³A pressure vessel; 8-0.3m³A pressure vessel pressure gauge; 9-0.3m³A pressure vessel oscillograph interface; 10-0.2m³A pressure vessel pressure gauge; 11-0.2m³A pressure vessel oscillograph interface; 12-0.2m³A pressure vessel; 13-a loop control solenoid valve; 14-a2 manual ball valve; 15-electric valve; 16-a pressure reducing valve; 17-a3 manual ball valve; 18-MPM 4860-2.0.. 7.0MPa E22C1G digital display pressure transducer; 19-an electric cabinet; 20-pipeline two; 21-pipeline three; 22-line four; 23-1m³A pressure vessel pressure gauge; 24-a flange; 25-support seat.

Detailed Description

Embodiment, refer to the attached drawings, and discloses a nuclear power emergencyA test system for a control electromagnetic valve of a main starting valve for air suction of a diesel generating set comprises a base 1 and is characterized in that an SXH-12040 air compressor 2 is arranged at the left end of the base 1, and a pipeline I4 and a pipeline I1 m for an outlet of the SXH-12040 air compressor 2 are arranged at the left end of the base 1³The inlet of the pressure container 5 is communicated, the first pipeline 4 is connected with three flanges 24, and an A1 manual ball valve 3 is arranged between the two flanges 24; 1m³Pipeline for outlet of pressure vessel 5, 4 and 0.3m³The pressure container 7 is communicated with a pressure reducing valve 16; seven flanges 24 are used for communicating the first section of pipeline 4, two supporting seats 25 are arranged on the first section of pipeline 4, a tee joint and an MPM 4860-2.0.. 7.0MPa E22C1G digital display pressure transmitter 18 are arranged on the left side of the lower supporting seat 25, an A3 manual ball valve 17 is arranged between the two flanges 24 on the tee joint, and a suction main starting valve 6 is arranged between the two flanges 24 on the upper part; the interfaces 1 and 3 of the main starting valve 6 for air suction are both connected with a flange 24; 3. the 4 interfaces are respectively communicated with an inlet and an outlet on the upper surface of the electric valve 15 by a second pipeline 20; a fourth inlet and outlet pipeline 22 below the electric valve 15 is respectively communicated with the inlet of the pressure reducing valve 16 and the inlet of the A2 manual ball valve 14 through a tee joint by a flange 24; the outlet of the A2 manual ball valve 14 is respectively connected with a loop control electromagnetic valve 13 and a 0.2m electromagnetic valve through a flange 24, a pipeline III 21 and a tee joint³Pressure vessel 12 connected, 0.2m³The outlet of the pressure vessel 12 is connected to a 0.2m pipe³The pressure vessel oscillograph interface 11 is communicated; 0.3m³The outlet of the pressure vessel 7 is connected with a 0.3m pipe through a flange 24³The pressure vessel oscillograph interface 9 is communicated.

At 1m³The shell of the pressure container 5 is provided with 1m³Pressure gauge 23 of pressure vessel at 0.3m³A shell of the pressure container (7) is provided with 0.3m³A pressure vessel pressure gauge 8; at 0.2m³The pressure vessel 12 has a housing with a diameter of 0.2m³A pressure vessel gauge 10; an electric cabinet 19 is arranged on the right side of an SXH-12040 air compressor 2 arranged on a base 1, and the SXH-12040 air compressor 2, an air suction main starting valve 6, a loop control electromagnetic valve 13 and an electric valve 15 in the system are all communicated with and controlled by a control circuit in the electric cabinet 19 by wires.

The specific operation method comprises the following steps: firstly, installing a main inspiration starting valve 6 to be tested and a loop control solenoid valve 13 into a system; 0.3m³Pressure containerRecorder interface 9 and 0.2m³The interfaces of the pressure vessel oscillograph interface 11 are butted. Before the SXH-12040 air compressor 2 is started, the A1 manual ball valve 3, the A3 manual ball valve 17, the A2 manual ball valve 14 and the electric valve 15 are ensured to be kept in a closed state. Then starting the SXH-12040 air compressor 2, opening the A1 manual ball valve 3, and compressing air into 1m³Starting pressurizing in the pressure container 5, observing the MPM 4860-2.0.. 7.0MPa E22C1G digital display pressure transmitter 18 at the moment, opening the A2 manual ball valve 14 when the pressure value reaches more than 0.7MPa, controlling the electromagnetic valve 13 through a control pipeline control loop in the electric cabinet 19, and enabling compressed air to enter 0.2m³The pressure vessel 12 is charged while the pressure downstream of the regulator 16 is maintained at 0.7 Mpa. When the pressure value of the MPM 4860-2.0.. 7.0MPa E22C1G digital display pressure transmitter 18 reaches 4 MPa; the SXH-12040 air machine 2 stops working under the automatic control of the control circuit in the electric cabinet 19, the A3 manual ball valve 17 and the electric valve 15 are opened in sequence at the moment, the main air suction starting valve 6 is started, and compressed air enters 0.3m³And (3) pressurizing the pressure container 7, and opening a corresponding wave recorder to start testing the suction main starting valve 6 and the loop control solenoid valve 13 when the pressure of a pressure gauge 10-of the pressure container of 0.2m3 reaches 0.7Mpa or the pressure of a pressure gauge 8 of the pressure container of 0.3m3 reaches 4 Mpa.

Claims (1)

1. A nuclear power emergency diesel generating set suction main starting valve control solenoid valve test system comprises a base (1) and is characterized in that an SXH-12040 air compressor (2) is installed at the left end of the base (1), and a pipeline I (4) and a pipeline 1m for an outlet of the SXH-12040 air compressor (2)³The inlet of the pressure container (5) is communicated, the pipeline I (4) is connected by three flanges (24), and an A1 manual ball valve (3) is arranged between the two flanges (24) on the pipeline I; 1m³Pipeline I (4) and 0.3m for outlet of pressure container (5)³The pressure container (7) is communicated with the pressure reducing valve (16); seven flanges (24) are used for communicating the first section of pipeline (4), two supporting seats (25) are arranged on the first section of pipeline (4), a tee joint and an MPM 4860-2.0.. 7.0MPa E22C1G digital display pressure transmitter (18) are arranged on the left surface of the lower supporting seat (25), an A3 manual ball valve (17) is arranged between the two flanges (24) on the tee joint, and a suction main starting valve (6) is arranged between the two flanges (24) on the upper part; air suction mainThe joints 1 and 3 of the starting valve (6) are both connected with a flange (24); 3. the 4 interfaces are respectively communicated with an inlet and an outlet on the upper surface of the electric valve (15) through a second pipeline (20); a fourth inlet and outlet pipeline (22) below the electric valve (15) is respectively communicated with the inlet of the pressure reducing valve (16) and the inlet of the A2 manual ball valve (14) through a tee joint by a flange (24); the outlet of the A2 manual ball valve (14) is respectively connected with a loop control electromagnetic valve (13) and a 0.2m electromagnetic valve through a flange (24), a pipeline III (21) and a tee joint³The pressure vessels (12) are communicated and are 0.2m³A pipeline for an outlet of the pressure vessel (12) and 0.2m³The pressure vessel oscillograph interface (11) is communicated; 0.3m³The outlet of the pressure container (7) is communicated with a pipeline of 0.3m through a flange (24)³The pressure vessel oscillograph interface (9) is communicated.

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