CN105115681A - Static pressure test system of main pump hydraulic component - Google Patents
Static pressure test system of main pump hydraulic component Download PDFInfo
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- CN105115681A CN105115681A CN201510496790.1A CN201510496790A CN105115681A CN 105115681 A CN105115681 A CN 105115681A CN 201510496790 A CN201510496790 A CN 201510496790A CN 105115681 A CN105115681 A CN 105115681A
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Abstract
The present invention discloses a static pressure test system of a main pump hydraulic component. The system comprises a water storage tank, a liquid storage tank, a static pressure test device, a thermal barrier RRI side low pressure test device, a pump shell high pressure test device and a main control device. The static pressure test device has a simulation pump shell for containing a hydraulic component. The hydraulic component pours test water with preset water pressure into a thermal barrier RRI cavity according to the test water in the water storage tank and collects the pressure of the test liquid in a simulation pump shell cavity. The main control device controls the thermal barrier RRI side low pressure test device and the pump shell high pressure test device according to the pressure collected by the thermal barrier RRI side low pressure test device and the pump shell high pressure test device. According to the static pressure test system, the static pressure test of the main pump hydraulic component can be realized, and the satisfaction of the operation requirement of main pump each pressure bearing boundary is ensured.
Description
Technical field
The present invention relates to technical field of nuclear power, particularly relate to a kind of static pressure test system of main pump hydraulic parts.
Background technology
Reactor coolant pump is called for short main pump, is one of most important equipment of nuclear power station.Main pump is as core one-level rotating machinery unique in one loop of nuclear power station system, and its reliability directly has influence on the safe operation of reactor, and main pump belongs to RCC-P safety 1 grade, RCC-M1 level equipment.
The hydraulic part of main pump comprises the heat shielding be arranged in the pump case of main pump, fan diffuser, seal assembly (i.e. No. 1 closed chamber, No. 2 closed chambers and No. 3 closed chambers) etc. parts, usually, need to carry out processing process to each flange sealing surface in hydraulic part refurbishment process, after hydraulic part assembly working terminates, (heat shielding and diffuser sealing face is mainly in order to ensure each pressure-bearing boundary of main pump, fan diffuser and pump case sealing surface, and No. 1 closed chamber and heat shielding sealing surface) meet operation demand, the security run after guaranteeing hydraulic part renovation and reliability, need to carry out static pressure test to hydraulic part entirety.But domestic at present still do not possess the device carrying out static pressure test after hydraulic part renovates, and also fails to realize carrying out static pressure test to main pump hydraulic parts.
Summary of the invention
Fundamental purpose of the present invention is the static pressure test system providing a kind of main pump hydraulic parts, is intended to realize the static pressure test to main pump hydraulic parts.
In order to achieve the above object, the static pressure test system of main pump hydraulic parts provided by the invention comprises:
Reserve tank, for the test water needed for splendid attire static pressure test;
Liquid reserve tank, for the experimental liquid needed for splendid attire static pressure test;
Static pressure test apparatus, comprises a simulation pump case, and described simulation pump case is used for the hydraulic part of accommodating main pump;
Heat shielding component cooling water system RRI side low pressure test (LPT) device, connects described reserve tank and described static pressure test apparatus respectively, for presetting the described test water of hydraulic pressure to the perfusion of heat shielding RRI chamber, and gathers the pressure testing water in heat shielding RRI side cavity;
Pump case high-pressure test device, connects described liquid reserve tank and described static pressure test apparatus respectively, for presetting the described experimental liquid of hydraulic pressure to the perfusion of simulation pump case chamber, and gathers the pressure of experimental liquid in simulation pump case chamber;
Master control set, controls heat shielding RRI side low pressure test (LPT) device and pump case high-pressure test device for described in the pressure that collects according to heat shielding RRI side low pressure test (LPT) device and pump case high-pressure test device.
Preferably, described static pressure test apparatus is provided with the water filling port being communicated with heat shielding RRI side cavity;
Described heat shielding RRI side low pressure test (LPT) device comprises the first hand control valve, the first filtrator, supercharge pump, the second filtrator, the first Pneumatic valve, the first isolation valve, the first pressure transducer and the first tensimeter;
The first end of described first hand control valve is connected to the outlet of described reserve tank, second end of described first hand control valve is sequentially connected with the first end of described first isolation valve via described first filtrator, supercharge pump, the second filtrator, the first Pneumatic valve, and the second end of described first isolation valve is connected to described water filling port by high-pressure hose;
Described first pressure transducer and described first tensimeter are all connected to the second end of the first isolation valve;
Described master controller controls described water injection unit release when the pressure that described first pressure transducer collects is greater than default hydraulic pressure.
Preferably, described static pressure test apparatus is also provided with the water delivering orifice and leakage hole that are communicated with heat shielding RRI side cavity, and described leakage hole is connected to the entrance of described liquid reserve tank by water pipe;
Described heat shielding RRI side low pressure test (LPT) device also comprises the second isolation valve, the second Pneumatic valve, the 3rd Pneumatic valve and the first recovered water pump; The first end of described second isolation valve is connected to the water delivering orifice of described static pressure test apparatus by high-pressure hose, second end of described second isolation valve is connected with the first end of described 3rd Pneumatic valve and the first end of described first recovered water pump respectively via described second Pneumatic valve, and the second end of described 3rd Pneumatic valve, the second end of described first recovered water pump are all connected to the entrance of described reserve tank.
Preferably, described water filling port is connected with the first proportioning valve, and described water delivering orifice is connected with the second proportioning valve, and described leakage hole is connected with the 3rd proportioning valve.
Preferably, described static pressure test apparatus is provided with the liquid geat being communicated with simulation pump case chamber;
Described pump case high-pressure test device comprises gas source inlet, the second hand control valve, the 3rd hand control valve, gas filter, guide with airgun controller, pressure regulator valve, oil sprayer, solenoid valve, Gas driving hydraulic pump, accumulator, pressure controller, the 3rd filtrator, the 4th filtrator, the 4th Pneumatic valve, the 3rd isolation valve, the second pressure transducer, the 3rd pressure transducer, the second tensimeter, the 3rd tensimeter and the 4th tensimeter;
Described gas source inlet is sequentially connected with the drive end of described Gas driving hydraulic pump via described second hand control valve, gas filter, pressure regulator valve, oil sprayer, solenoid valve, and described guide is connected on the pipeline between described gas filter and described pressure regulator valve with airgun controller; The entrance of described Gas driving hydraulic pump is connected with the first end of described 3rd filtrator, and the second end of described 3rd filtrator is connected to the outlet of described liquid reserve tank via described 3rd hand control valve; The outlet of described Gas driving hydraulic pump is sequentially connected with the first end of described 3rd isolation valve via described pressure control valve, the 4th Pneumatic valve, the 4th filtrator, second end of described 3rd isolation valve is connected to described liquid injection port by high-pressure hose, and described accumulator is connected to the outlet of described Gas driving hydraulic pump;
Described second pressure transducer and described second tensimeter are all connected to the second end of described 3rd isolation valve, and described 3rd pressure transducer and described 3rd tensimeter are all connected to the outlet of described Gas driving hydraulic pump, and described 4th tensimeter connects described pressure regulator valve;
Described master controller the pressure that described second pressure transducer collects be greater than first preset pressure that hydraulic pressure and/or described 3rd pressure transducer collect be greater than second preset hydraulic pressure time control the release of described fluid injection unit.
Preferably, described simulation pump case offers osculum and vent port, and described vent port is positioned at above described osculum, and described vent port is connected to the entrance of described liquid reserve tank by water pipe;
Described pump case high-pressure test device also comprises the 4th isolation valve, the 5th Pneumatic valve, the 6th Pneumatic valve and the second recovered water pump;
The first end of described 4th isolation valve is connected to described osculum by high-pressure hose, second end of described 4th isolation valve is connected with the first end of described 5th Pneumatic valve, second end of described 5th Pneumatic valve is connected with the first end of described 6th Pneumatic valve and the first end of described second recovered water pump respectively, and the second end of described 6th Pneumatic valve and the second end of described second recovered water pump are all connected to the entrance of described liquid reserve tank.
Preferably, described pump case high-pressure test device also comprises perfusion water pump, the 5th filtrator, the 7th Pneumatic valve and at least one filtration cycle branch road; Described filtration cycle branch road comprises the 4th hand control valve, accurate filter and the 5th hand control valve that are sequentially connected in series;
The first end of described perfusion water pump is connected with the first end of described 3rd filtrator, second end of described perfusion water pump is connected to the entrance of described liquid reserve tank via described filtration cycle branch road, and is sequentially connected with the first end of described 5th Pneumatic valve via described 5th filtrator, the 7th Pneumatic valve.
Preferably, described liquid injection port is connected with the 4th proportioning valve, and described osculum is connected with the 5th proportioning valve, and described vent port is connected with the 6th proportioning valve.
Preferably, described reserve tank being provided with the first liquid level gauge of the liquid level for gathering described water storage tank test water, described liquid reserve tank being provided with the second liquid level gauge of the liquid level for gathering experimental liquid in described liquid reserve tank;
Described master control set is reported to the police when exceeding default liquid level scope described in the liquid level that described first liquid level gauge and/or described second liquid level gauge collect.
Preferably, described liquid reserve tank offers apopore, and is provided with the switch cover for sealing described apopore.
Technical solution of the present invention simulates the pump case of main pump by the simulation pump case of static pressure test apparatus, the hydraulic part of main pump is contained in this simulation main pump, at the trial, by heat shielding RRI side low pressure test (LPT) device, the test water in reserve tank is poured into heat shielding RRI chamber, and be pressurized to default hydraulic pressure to test water, thus make hydraulic pressure in heat shielding RRI chamber maintain default hydraulic pressure to carry out static pressure test, and the pressure gathered in heat shielding RRI chamber, controlled the duty of heat shielding RRI side low pressure test (LPT) device according to heat shielding RRI chamber pressure by master control set, thus the pressure-bearing situation of heat shielding and diffuser sealing face and No. 1 closed chamber and heat shielding sealing surface can be tested, and by pump case high-pressure test device by the extremely simulation pump case chamber of the experimental liquid perfusion in liquid reserve tank, and be pressurized to default hydraulic pressure to experimental liquid, thus make hydraulic pressure in simulation pump case chamber maintain default hydraulic pressure to carry out static pressure test, and the pressure gathered in simulation pump case chamber, controlled the duty of pump case high-pressure test device by master control set according to simulation pump case chamber pressure, thus the pressure-bearing situation of fan diffuser and pump case sealing surface can be tested.Thus, achieve the static pressure test to main pump hydraulic parts, can guarantee that each pressure-bearing boundary of main pump meets operation demand.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the static pressure test system preferred embodiment of main pump hydraulic parts of the present invention;
The structural representation of static pressure test system one embodiment that Fig. 2 is the parts of main pump hydraulic shown in Fig. 1.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 100 | Reserve tank | 200 | Liquid reserve tank |
| 300 | Static pressure test apparatus | 400 | Heat shielding RRI side low pressure test (LPT) device |
| 500 | Pump case high-pressure test device | 600 | Master control set |
| 101 | First liquid level gauge | 201 | Second liquid level gauge |
| 202 | Apopore | 203 | Switch cover |
| 301 | First proportioning valve | 302 | Second proportioning valve |
| 302 | 3rd proportioning valve | 304 | 4th proportioning valve |
| 305 | 5th proportioning valve | 306 | 6th proportioning valve |
| 401 | First hand control valve | 402 | First filtrator |
| 403 | Supercharge pump | 404 | Second filtrator |
| 405 | First Pneumatic valve | 406 | First isolation valve |
| 407 | First pressure sensing | 408 | First tensimeter |
| 409 | Second isolation valve | 410 | Second Pneumatic valve |
| 411 | 3rd Pneumatic valve | 412 | First recovered water pump |
| 501 | Gas source inlet | 502 | Second hand control valve |
| 503 | 3rd hand control valve | 504 | Gas filter |
| 505 | Guide's airgun controller | 506 | Pressure regulator valve |
| 507 | Oil sprayer | 508 | Solenoid valve |
| 509 | Gas driving hydraulic pump | 510 | Accumulator |
| 511 | Pressure controller | 512 | 3rd filtrator |
| 513 | 4th filtrator | 514 | 4th Pneumatic valve |
| 515 | 3rd isolation valve | 516 | Second pressure transducer |
| 517 | 3rd pressure transducer | 518 | Second tensimeter |
| 519 | 3rd tensimeter | 520 | 4th tensimeter |
| 521 | 4th isolation valve | 522 | 5th Pneumatic valve |
| 523 | 6th Pneumatic valve | 524 | Second recovered water pump |
| 525 | Perfusion water pump | 526 | 5th filtrator |
| 527 | 7th Pneumatic valve | 528 | 4th hand control valve |
| 529 | Accurate filter | 530 | 5th hand control valve |
The realization of object of the present invention, functional characteristics and advantage, will in conjunction with the embodiments, and be described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of static pressure test system of main pump hydraulic parts, for carrying out static pressure test to the hydraulic part of main pump.
With reference to the theory diagram that Fig. 1, Fig. 1 are the static pressure test system preferred embodiment of main pump hydraulic parts of the present invention.
In present pre-ferred embodiments, the static pressure test system of main pump hydraulic parts of the present invention comprises reserve tank 100, liquid reserve tank 200, static pressure test apparatus 300, heat shielding RRI side low pressure test (LPT) device 400, pump case high-pressure test device 500 and master control set 600.
Wherein, reserve tank 100 is for the test water needed for splendid attire static pressure test.
Liquid reserve tank 200 is for the experimental liquid needed for splendid attire static pressure test.
Static pressure test apparatus 300 comprises a simulation pump case, and described simulation pump case is used for the hydraulic part of accommodating main pump.
Heat shielding component cooling water system RRI side low pressure test (LPT) device 400, connects described reserve tank 100 and described static pressure test apparatus 300 respectively, for presetting the described test water of hydraulic pressure to the perfusion of heat shielding RRI chamber, and gathers the pressure testing water in heat shielding RRI side cavity.
Pump case high-pressure test device 500, connects described liquid reserve tank 200 and described static pressure test apparatus 300 respectively, for presetting the described experimental liquid of hydraulic pressure to the perfusion of simulation pump case chamber, and gathers the pressure of experimental liquid in simulation pump case chamber.
Master control set 600, controls heat shielding RRI side low pressure test (LPT) device 400 and pump case high-pressure test device 500 for described in the pressure that collects according to heat shielding RRI side low pressure test (LPT) device 400 and pump case high-pressure test device 500.
In the present embodiment, for whether the hydraulic part testing main pump meets operation demand, be contained in by the hydraulic part of main pump in the simulation main pump of static pressure test apparatus 300, the hydraulic part be contained in particularly in simulation main pump is heat shielding, fan diffuser and No. 1 closed chamber.After placing the hydraulic part of main pump, static pressure test apparatus 300 is communicated with pump case high-pressure test device 500 with heat shielding RRI side low pressure test (LPT) device 400 respectively, and heat shielding RRI side low pressure test (LPT) device 400 is communicated with reserve tank 100, pump case high-pressure test device 500 is communicated with liquid reserve tank 200.
Before the test, first be filled with the test water needed for static pressure test to reserve tank 100, until the test water in reserve tank 100 reaches suitable liquid level (2/3 volume as reserve tank 100), be filled with the experimental liquid needed for static pressure test, until the experimental liquid in liquid reserve tank 200 reaches suitable liquid level (2/3 volume as liquid reserve tank 200) to liquid reserve tank 200 simultaneously.
At the trial, by heat shielding RRI side low pressure test (LPT) device 400, the test water in reserve tank 100 is poured into heat shielding RRI chamber, and be pressurized to default hydraulic pressure (as 5bar) to test water, thus make hydraulic pressure in heat shielding RRI chamber maintain default hydraulic pressure to carry out static pressure test, and the pressure gathered in heat shielding RRI chamber, controlled the duty of heat shielding RRI side low pressure test (LPT) device 400 by master control set 600 according to heat shielding RRI chamber pressure, thus the pressure-bearing situation of heat shielding and diffuser sealing face and No. 1 closed chamber and heat shielding sealing surface can be tested.And, by pump case high-pressure test device 500 by the extremely simulation pump case chamber of the experimental liquid perfusion in liquid reserve tank 200, and be pressurized to default hydraulic pressure (as 215bar) to experimental liquid, thus make hydraulic pressure in simulation pump case chamber maintain default hydraulic pressure to carry out static pressure test, the present embodiment particularly, when pump case high-pressure test device 500 is tested, can test under 50bar, 100bar, 150bar, 215bar tetra-pressure platforms, and voltage stabilizing a period of time under each pressure platform, such as 10 minutes, rate of pressure rise was in 0 ~ 10bar/min range-controllable system; And the pressure gathered in simulation pump case chamber, is controlled the duty of pump case high-pressure test device 500, thus can test the pressure-bearing situation of fan diffuser and pump case sealing surface according to simulation pump case chamber pressure by master control set 600.
Master control set 600 is for comprising the controller of computing machine, master control set 600 can show the increasing pressure curve of heat shielding RRI side low pressure test (LPT) device 400 and pump case high-pressure test device 500 in real time, and the data such as pump case high-pressure test device 500 4 pressure platform curves and each dwell time, and store these data with curve and digital form, and according to test situation in process of the test, control the duty of heat shielding RRI side low pressure test (LPT) device 400 and pump case high-pressure test device 500, such as when pressure is excessive, control heat shielding RRI side low pressure test (LPT) device 400 and pump case high-pressure test device 500 release.
Relative to prior art, the present invention is by the carrier of static pressure test apparatus 300 as main pump hydraulic parts static pressure test, static pressure test is carried out by the hydraulic part in the simulation pump case of heat shielding RRI side low pressure test (LPT) device 400 and pump case high-pressure test device 500 pairs of static pressure test apparatus 300, thus the static pressure test achieved main pump hydraulic parts, can guarantee that each pressure-bearing boundary of main pump meets operation demand.
Refer again to Fig. 2, the structural representation of static pressure test system one embodiment that Fig. 2 is the parts of main pump hydraulic shown in Fig. 1.
As shown in Figure 2, described static pressure test apparatus 300 is provided with the water filling port being communicated with heat shielding RRI side cavity.
Described heat shielding RRI side low pressure test (LPT) device 400 comprises the first hand control valve 401, first filtrator 402, supercharge pump 403, second filtrator 404, first Pneumatic valve 405, first isolation valve 406, first pressure transducer 407 and the first tensimeter 408.
The first end of described first hand control valve 401 is connected to the outlet of described reserve tank 100, second end of described first hand control valve 401 is sequentially connected with the first end of described first isolation valve 406 via described first filtrator 402, supercharge pump 403, second filtrator 404, first Pneumatic valve 405, and the second end of described first isolation valve 406 is connected to described water filling port by high-pressure hose.
Described first pressure transducer 407 and described first tensimeter 408 are all connected to the second end of the first isolation valve 406;
Described master controller controls described water injection unit release when the pressure that described first pressure transducer 407 collects is greater than default hydraulic pressure.
At the trial, open the first hand control valve 401, supercharge pump 403, first Pneumatic valve 405 and the first isolation valve 406, to access the test water in reserve tank 100, by supercharge pump 403, supercharging is carried out to test water simultaneously, make to reach 5bar by water filling port perfusion to the pressure of the test water of static pressure test apparatus 300 internal heat shield RRI side cavity, thus to the sealing surface of heat shielding and fan diffuser under 5bar pressure platform, the bearing capacity of the sealing surface of No. 1 closed chamber and heat shielding is tested, if the sealing surface of heat shielding and fan diffuser, the sealing surface of No. 1 closed chamber and heat shielding can bear 5bar pressure, then heat shielding and fan diffuser are described, carrying border between No. 1 closed chamber meets service requirement.
In process of the test, the pressure testing water in heat shielding RRI side cavity is gathered by the first pressure transducer 407, when the pressure of the test water of heat shielding RRI side cavity is more than 5bar, main controller controls supercharge pump 403 carries out release, thus guarantees that the pressure testing water in heat shielding RRI side cavity maintains 5bar.
Particularly, as shown in Figure 2, described static pressure test apparatus 300 is also provided with the water delivering orifice and leakage hole that are communicated with heat shielding RRI side cavity, and described leakage hole is connected to the entrance of described liquid reserve tank 200 by water pipe.
Described heat shielding RRI side low pressure test (LPT) device 400 also comprises the second isolation valve 409, second Pneumatic valve 410, the 3rd Pneumatic valve 411 and the first recovered water pump 412; The first end of described second isolation valve 409 is connected to the water delivering orifice of described static pressure test apparatus 300 by high-pressure hose, second end of described second isolation valve 409 is connected with the first end of described 3rd Pneumatic valve 411 and the first end of described first recovered water pump 412 respectively via described second Pneumatic valve 410, and the second end of described 3rd Pneumatic valve 411, the second end of described first recovered water pump 412 are all connected to the entrance of described reserve tank 100.
Leakage hole due to static pressure test apparatus 300 is connected to the entrance of described liquid reserve tank 200, thus testing in water process to the perfusion of heat shielding RRI side cavity, by leakage hole, the air in heat shielding RRI side cavity is discharged, to guarantee the pressure stability in heat shielding RRI side cavity; Meanwhile, when there being test water to overflow, the test water of spilling enters liquid reserve tank 200 by leakage hole, avoids test water in heat shielding RRI side cavity excessive and causes heat shielding RRI side impaired.
After off-test, open the second isolation valve 409, second Pneumatic valve 410, the 3rd Pneumatic valve 411 and the first recovered water pump 412, thus, under the effect of the first recovered water pump 412, the test water of being discharged by the water delivering orifice of static pressure test apparatus 300 is filled with by the second isolation valve 409, second Pneumatic valve 410, the 3rd Pneumatic valve 411 and is got back to reserve tank 100.Achieve the integration of the perfusion of heat shielding RRI side low pressure test (LPT) device 400 and recovery test water, and the test water reusable edible reclaimed, avoid the test water after test directly to discharge the wasting of resources.
Particularly, as shown in Figure 2, described water filling port is connected with the first proportioning valve 301, and described water delivering orifice is connected with the second proportioning valve 302, and described leakage hole is connected with the 3rd proportioning valve 303.
Static pressure test apparatus 300 is by arranging the first proportioning valve 301 at water filling port, at water delivering orifice, the second proportioning valve 302 is set, thus can control to flow into heat shielding RRI side cavity from water filling port, or from the flow of test water that water delivering orifice flows out, and, 3rd proportioning valve 303 is set at leakage hole, thus can overflows from leakage hole in a large number by control simulation pump case chamber shop experiment water, thus guarantee that heat shielding RRI side low pressure test (LPT) device 400 and static pressure test apparatus 300 can normally run.
As shown in Figure 2, described static pressure test apparatus 300 is provided with the liquid geat being communicated with simulation pump case chamber.
Described pump case high-pressure test device 500 comprises gas source inlet 501, second hand control valve 502, 3rd hand control valve 503, gas filter 504, guide is with airgun controller 505, pressure regulator valve 506, oil sprayer 507, solenoid valve 508, Gas driving hydraulic pump 509, accumulator 510, pressure controller 511, 3rd filtrator 512, 4th filtrator 513, 4th Pneumatic valve 514, 3rd isolation valve 515, second pressure transducer 516, 3rd pressure transducer 517, second tensimeter 518, 3rd tensimeter 519 and the 4th tensimeter 520.
Described gas source inlet 501 is sequentially connected with the drive end of described Gas driving hydraulic pump 509 via described second hand control valve 502, gas filter 504, pressure regulator valve 506, oil sprayer 507, solenoid valve 508, and described guide is connected on the pipeline between described gas filter 504 and described pressure regulator valve 506 with airgun controller 505; The entrance of described Gas driving hydraulic pump 509 is connected with the first end of described 3rd filtrator 512, and the second end of described 3rd filtrator 512 is connected to the outlet of described liquid reserve tank 200 via described 3rd hand control valve 503; The outlet of described Gas driving hydraulic pump 509 is sequentially connected with the first end of described 3rd isolation valve 515 via described pressure control valve, the 4th Pneumatic valve 514, the 4th filtrator 513, second end of described 3rd isolation valve 515 is connected to described liquid injection port by high-pressure hose, and described accumulator 510 is connected to the outlet of described Gas driving hydraulic pump 509.
Described second pressure transducer 516 and described second tensimeter 518 are all connected to the second end of described 3rd isolation valve 515, described 3rd pressure transducer 517 and described 3rd tensimeter 519 are all connected to the outlet of described Gas driving hydraulic pump 509, and described 4th tensimeter 520 connects described pressure regulator valve 506.
Described master controller the pressure that described second pressure transducer 516 collects be greater than first preset pressure that hydraulic pressure and/or described 3rd pressure transducer 517 collect be greater than second preset hydraulic pressure time control the release of described fluid injection unit.
At the trial, open the second hand control valve 502, 3rd hand control valve 503, Gas driving hydraulic pump 509, 4th Pneumatic valve 514, with the 3rd isolation valve 515, so that the experimental liquid in liquid reserve tank 200 is linked into Gas driving hydraulic pump 509, open the second hand control valve 502 to access source of the gas from gas source inlet 501 and drive Gas driving hydraulic pump 509 simultaneously, thus Gas driving hydraulic pump 509 pairs of experimental liquids carry out supercharging, the pressure of the experimental liquid of simulating pump case chamber is made to reach 50bar successively, 100bar, 150bar and 215bar, and the pressure of pressure controller 511 Control experiment liquid maintains a period of time under each pressure platform, such as 10 minutes, namely make the pressure of experimental liquid in simulation pump shell chamber respectively at 50bar, 100bar, pressurize 10 minutes under 150bar and 215bar pressure platform, thus respectively at 50bar, 100bar, under 150bar and 215bar pressure platform, the bearing capacity of the sealing surface of fan diffuser and pump case is tested, if fan diffuser all can bear the pressure under four pressure platforms with the sealing surface of simulation pump case, then illustrate that the carrying border between fan diffuser and simulation pump case meets service requirement.
In process of the test, by the pressure of the 3rd pressure transducer 517 experimental liquid after gathering Gas driving hydraulic pump 509 supercharging, to regulate the pressure of experimental liquid in Gas driving hydraulic pump 509 to 50bar, 100bar, 150bar or 215bar by main controller controls pressure regulator valve 506.And, the pressure of experimental liquid in simulation pump case chamber is gathered by the second pressure transducer 516, when testing under 50bar pressure platform, when the pressure of the experimental liquid of simulation pump case chamber is more than 50bar, main controller controls Gas driving hydraulic pump 509 carries out release, thus guarantees that the pressure of simulating experimental liquid in pump case chamber maintains 50bar; When testing under 100bar pressure platform, when the pressure of the experimental liquid of simulation pump case chamber is more than 100bar, main controller controls Gas driving hydraulic pump 509 carries out release, thus guarantees that the pressure of simulating experimental liquid in pump case chamber maintains 100bar; When testing under 150bar pressure platform, when the pressure of the experimental liquid of simulation pump case chamber is more than 150bar, main controller controls Gas driving hydraulic pump 509 carries out release, thus guarantees that the pressure of simulating experimental liquid in pump case chamber maintains 150bar; When testing under 250bar pressure platform, when the pressure of the experimental liquid of simulation pump case chamber is more than 250bar, main controller controls Gas driving hydraulic pump 509 carries out release, thus guarantees that the pressure of simulating experimental liquid in pump case chamber maintains 250bar.
Particularly, as shown in Figure 2, described simulation pump case offers osculum and vent port, and described vent port is positioned at above described osculum, and described vent port is connected to the entrance of described liquid reserve tank 200 by water pipe.Wherein, the quantity of vent port can set according to actual needs, no longer limits herein.
Described pump case high-pressure test device 500 also comprises the 4th isolation valve 521, the 5th Pneumatic valve 522, the 6th Pneumatic valve 523 and the second recovered water pump 524.
The first end of described 4th isolation valve 521 is connected to described osculum by high-pressure hose, second end of described 4th isolation valve 521 is connected with the first end of described 5th Pneumatic valve 522, second end of described 5th Pneumatic valve 522 is connected with the first end of described 6th Pneumatic valve 523 and the first end of described second recovered water pump 524 respectively, and the second end of described 6th Pneumatic valve 523 and the second end of described second recovered water pump 524 are all connected to the entrance of described liquid reserve tank 200.
Because the vent port of simulating pump case is connected to the entrance of described liquid reserve tank 200, thus in pump case chamber perfusion experimental liquid process, discharge the air in simulation pump case chamber by vent port, guarantee the pressure stability simulating experimental liquid in pump case chamber; Meanwhile, when there being experimental liquid to overflow, the experimental liquid of spilling enters liquid reserve tank 200 by vent port, avoids because experimental liquid in simulation pump case chamber is excessive and causes hydraulic part impaired.
After off-test, open the 4th isolation valve 521, the 5th Pneumatic valve 522, the 6th Pneumatic valve 523 and the second recovered water pump 524, thus, under the effect of the second recovered water pump 524, the experimental liquid of being discharged by the osculum of static pressure test apparatus 300 is filled with got back to liquid reserve tank 200 by the 4th isolation valve 521, the 5th Pneumatic valve 522, the 6th Pneumatic valve 523.Achieve the integration of pump case high-pressure test device 500 perfusion and recovery test liquid, avoid the experimental liquid after test directly discharge and pollute.
Particularly, as shown in Figure 2, described pump case high-pressure test device 500 also comprises perfusion water pump 525, the 5th filtrator 526, the 7th Pneumatic valve 527 and at least one filtration cycle branch road; Described filtration cycle branch road comprises the 4th hand control valve 528, accurate filter 529 and the 5th hand control valve 530 that are sequentially connected in series.
The first end of described perfusion water pump 525 is connected with the first end of described 3rd filtrator 512, second end of described perfusion water pump 525 is connected to the entrance of described liquid reserve tank 200 via described filtration cycle branch road, and is sequentially connected with the first end of described 5th Pneumatic valve 522 via described 5th filtrator 526, the 7th Pneumatic valve 527.
For recycling the experimental liquid after test, the present embodiment carries out secondary filter by filtration cycle branch road to experimental liquid, the impurity in filtering experimental liquid, and experimental liquid can be reused.Particularly, by perfusion water pump 525, the experimental liquid reclaimed in liquid reserve tank 200 is input to filter circulation branch road is carried out secondary filter by the 3rd hand control valve 503, the 3rd filtrator 512, perfusion water pump 525, experimental liquid is after filtering exported to the entrance of liquid reserve tank 200 to utilize at this by filter circulation branch road again.The quantity of filtration cycle branch road can set according to actual needs, is not restricted herein.Such as, in Fig. 2, the present embodiment arranges two-way filtration cycle branch road, and the object arranging two-way filtration cycle branch road is, when a wherein road filtration cycle branch road shutoff, can enable another road filtration cycle branch road and filter experimental liquid.
Certainly, when reclaimed experimental liquid impurity is few, by perfusion water pump 525, the experimental liquid reclaimed in liquid reserve tank 200 is input to the 5th filtrator 526 and carries out common filtration treatment by the 3rd hand control valve 503, the 3rd filtrator 512, perfusion water pump 525, then experimental liquid is after filtering circulated into the entrance of liquid reserve tank 200 again to utilize by the 7th Pneumatic valve 527, the 5th Pneumatic valve 522, the 6th Pneumatic valve 523.
The static pressure test system of the main pump hydraulic parts 8, as described in claim 5 or 6, is characterized in that, described liquid injection port is connected with the 4th proportioning valve 304, and described osculum is connected with the 5th proportioning valve 305, and described vent port is connected with the 6th proportioning valve 306.
Static pressure test apparatus 300 is by arranging the 4th proportioning valve 304 in liquid injection port, at osculum, the 5th proportioning valve 305 is set, thus can control to flow into simulation pump case chamber from liquid injection port, or from the flow of experimental liquid that osculum flows out, and, 6th proportioning valve 306 is set at vent port, thus can overflows from vent port in a large number by experimental liquid in control simulation pump case chamber, thus guarantee that pump case high-pressure test device 500 and static pressure test apparatus 300 normally can carry out static pressure test.
Particularly, as shown in Figure 2, described reserve tank 100 being provided with the first liquid level gauge 101 of the liquid level for gathering test water in described reserve tank 100, described liquid reserve tank 200 being provided with the second liquid level gauge 201 of the liquid level for gathering experimental liquid in described liquid reserve tank 200.
Described master control set 600 is reported to the police when exceeding default liquid level scope described in the liquid level that described first liquid level gauge 101 and/or described second liquid level gauge 201 collect.
The liquid level of test water in described reserve tank 100 is gathered by the first liquid level gauge 101, the liquid level of experimental liquid in described liquid reserve tank 200 is gathered by the second liquid level gauge 201, master control set 600 is reported to the police, such as when liquid level is lower than the minimum liquid level (as 1/3 volume) of default liquid level scope or the highest liquid level (as 2/3 volume) higher than default liquid level scope, carry out corresponding sound and light alarm, and show at display interface.
Particularly, as shown in Figure 2, described liquid reserve tank 200 offers apopore 202, and is provided with the switch cover 202 for sealing described apopore 202.
The present embodiment arranges an apopore 202 in the bottom of liquid reserve tank 200, and the switch cover 202 sealing described apopore 202 is set, thus the experimental liquid in liquid reserve tank 200 exceedes full-water level, or when needing to discharge the experimental liquid in liquid reserve tank 200, switch cover 202 can be opened, by apopore 202, experimental liquid is discharged.Or, when having cleaned liquid reserve tank 200, switch cover 202 can have been opened, by apopore 202, rinse water having been discharged.
Should be noted that; the technical scheme of each embodiment of the present invention can be combined with each other; but must be can be embodied as basis with those skilled in the art; when technical scheme combination occur conflicting maybe cannot realize time will be understood that the combination of this technical scheme does not exist, also not within the protection domain of application claims.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a static pressure test system for main pump hydraulic parts, is characterized in that, comprising:
Reserve tank, for the test water needed for splendid attire static pressure test;
Liquid reserve tank, for the experimental liquid needed for splendid attire static pressure test;
Static pressure test apparatus, comprises a simulation pump case, and described simulation pump case is used for the hydraulic part of accommodating main pump;
Heat shielding component cooling water system RRI side low pressure test (LPT) device, connects described reserve tank and described static pressure test apparatus respectively, for presetting the described test water of hydraulic pressure to the perfusion of heat shielding RRI chamber, and gathers the pressure testing water in heat shielding RRI side cavity;
Pump case high-pressure test device, connects described liquid reserve tank and described static pressure test apparatus respectively, for presetting the described experimental liquid of hydraulic pressure to the perfusion of simulation pump case chamber, and gathers the pressure of experimental liquid in simulation pump case chamber;
Master control set, controls heat shielding RRI side low pressure test (LPT) device and pump case high-pressure test device for described in the pressure that collects according to heat shielding RRI side low pressure test (LPT) device and pump case high-pressure test device.
2. the static pressure test system of main pump hydraulic parts as claimed in claim 1, is characterized in that, described static pressure test apparatus is provided with the water filling port being communicated with heat shielding RRI side cavity;
Described heat shielding RRI side low pressure test (LPT) device comprises the first hand control valve, the first filtrator, supercharge pump, the second filtrator, the first Pneumatic valve, the first isolation valve, the first pressure transducer and the first tensimeter;
The first end of described first hand control valve is connected to the outlet of described reserve tank, second end of described first hand control valve is sequentially connected with the first end of described first isolation valve via described first filtrator, supercharge pump, the second filtrator, the first Pneumatic valve, and the second end of described first isolation valve is connected to described water filling port by high-pressure hose;
Described first pressure transducer and described first tensimeter are all connected to the second end of the first isolation valve;
Described master controller controls described water injection unit release when the pressure that described first pressure transducer collects is greater than default hydraulic pressure.
3. the static pressure test system of main pump hydraulic parts as claimed in claim 2, is characterized in that, described static pressure test apparatus is also provided with the water delivering orifice and leakage hole that are communicated with heat shielding RRI side cavity, and described leakage hole is connected to the entrance of described liquid reserve tank by water pipe;
Described heat shielding RRI side low pressure test (LPT) device also comprises the second isolation valve, the second Pneumatic valve, the 3rd Pneumatic valve and the first recovered water pump; The first end of described second isolation valve is connected to the water delivering orifice of described static pressure test apparatus by high-pressure hose, second end of described second isolation valve is connected with the first end of described 3rd Pneumatic valve and the first end of described first recovered water pump respectively via described second Pneumatic valve, and the second end of described 3rd Pneumatic valve, the second end of described first recovered water pump are all connected to the entrance of described reserve tank.
4. the static pressure test system of main pump hydraulic parts as claimed in claim 3, it is characterized in that, described water filling port is connected with the first proportioning valve, and described water delivering orifice is connected with the second proportioning valve, and described leakage hole is connected with the 3rd proportioning valve.
5. the static pressure test system of main pump hydraulic parts as claimed in claim 1, is characterized in that, described static pressure test apparatus is provided with the liquid geat being communicated with simulation pump case chamber;
Described pump case high-pressure test device comprises gas source inlet, the second hand control valve, the 3rd hand control valve, gas filter, guide with airgun controller, pressure regulator valve, oil sprayer, solenoid valve, Gas driving hydraulic pump, accumulator, pressure controller, the 3rd filtrator, the 4th filtrator, the 4th Pneumatic valve, the 3rd isolation valve, the second pressure transducer, the 3rd pressure transducer, the second tensimeter, the 3rd tensimeter and the 4th tensimeter;
Described gas source inlet is sequentially connected with the drive end of described Gas driving hydraulic pump via described second hand control valve, gas filter, pressure regulator valve, oil sprayer, solenoid valve, and described guide is connected on the pipeline between described gas filter and described pressure regulator valve with airgun controller; The entrance of described Gas driving hydraulic pump is connected with the first end of described 3rd filtrator, and the second end of described 3rd filtrator is connected to the outlet of described liquid reserve tank via described 3rd hand control valve; The outlet of described Gas driving hydraulic pump is sequentially connected with the first end of described 3rd isolation valve via described pressure control valve, the 4th Pneumatic valve, the 4th filtrator, second end of described 3rd isolation valve is connected to described liquid injection port by high-pressure hose, and described accumulator is connected to the outlet of described Gas driving hydraulic pump;
Described second pressure transducer and described second tensimeter are all connected to the second end of described 3rd isolation valve, and described 3rd pressure transducer and described 3rd tensimeter are all connected to the outlet of described Gas driving hydraulic pump, and described 4th tensimeter connects described pressure regulator valve;
Described master controller the pressure that described second pressure transducer collects be greater than first preset pressure that hydraulic pressure and/or described 3rd pressure transducer collect be greater than second preset hydraulic pressure time control the release of described fluid injection unit.
6. the static pressure test system of main pump hydraulic parts as claimed in claim 5, it is characterized in that, described simulation pump case offers osculum and vent port, and described vent port is positioned at above described osculum, and described vent port is connected to the entrance of described liquid reserve tank by water pipe;
Described pump case high-pressure test device also comprises the 4th isolation valve, the 5th Pneumatic valve, the 6th Pneumatic valve and the second recovered water pump;
The first end of described 4th isolation valve is connected to described osculum by high-pressure hose, second end of described 4th isolation valve is connected with the first end of described 5th Pneumatic valve, second end of described 5th Pneumatic valve is connected with the first end of described 6th Pneumatic valve and the first end of described second recovered water pump respectively, and the second end of described 6th Pneumatic valve and the second end of described second recovered water pump are all connected to the entrance of described liquid reserve tank.
7. the static pressure test system of main pump hydraulic parts as claimed in claim 6, is characterized in that, described pump case high-pressure test device also comprises perfusion water pump, the 5th filtrator, the 7th Pneumatic valve and at least one filtration cycle branch road; Described filtration cycle branch road comprises the 4th hand control valve, accurate filter and the 5th hand control valve that are sequentially connected in series;
The first end of described perfusion water pump is connected with the first end of described 3rd filtrator, second end of described perfusion water pump is connected to the entrance of described liquid reserve tank via described filtration cycle branch road, and is sequentially connected with the first end of described 5th Pneumatic valve via described 5th filtrator, the 7th Pneumatic valve.
8. the static pressure test system of the main pump hydraulic parts as described in claim 5 or 6, is characterized in that, described liquid injection port is connected with the 4th proportioning valve, and described osculum is connected with the 5th proportioning valve, and described vent port is connected with the 6th proportioning valve.
9. the static pressure test system of main pump hydraulic parts as claimed in claim 1, it is characterized in that, described reserve tank being provided with the first liquid level gauge of the liquid level for gathering described water storage tank test water, described liquid reserve tank being provided with the second liquid level gauge of the liquid level for gathering experimental liquid in described liquid reserve tank;
Described master control set is reported to the police when exceeding default liquid level scope described in the liquid level that described first liquid level gauge and/or described second liquid level gauge collect.
10. the static pressure test system of the main pump hydraulic parts as described in claim 1 or 9, is characterized in that, described liquid reserve tank offers apopore, and is provided with the switch cover for sealing described apopore.
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