CN210977830U - Large-scale vertical pump complete machine aqueous medium test device - Google Patents

Large-scale vertical pump complete machine aqueous medium test device Download PDF

Info

Publication number
CN210977830U
CN210977830U CN201921434095.2U CN201921434095U CN210977830U CN 210977830 U CN210977830 U CN 210977830U CN 201921434095 U CN201921434095 U CN 201921434095U CN 210977830 U CN210977830 U CN 210977830U
Authority
CN
China
Prior art keywords
pipeline
emptying
pump
filling
valve
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Withdrawn - After Issue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
CN201921434095.2U
Other languages
Chinese (zh)
Inventor
章煜君
胡益鑫
朱贤斌
侯阳阳
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.)
China United Engineering Corp Ltd
Original Assignee
China United Engineering Corp 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 China United Engineering Corp Ltd filed Critical China United Engineering Corp Ltd
Priority to CN201921434095.2U priority Critical patent/CN210977830U/en
Application granted granted Critical
Publication of CN210977830U publication Critical patent/CN210977830U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model provides a large-scale vertical pump complete machine aqueous medium test device, applicable in the performance test of this kind of large-scale vertical pump of nuclear power station 600MW fast reactor return circuit major cycle sodium pump. The utility model discloses a test pump installing the system, major loop system, the reverse auxiliary circulation system of major loop, fill/evacuation and heating system and major loop cooling water system. The test pump mounting system includes a basin assembly and a support assembly. The main loop system includes a main loop conduit, a flow meter, and a main loop valve. The main loop cooling water system includes a loop cooler and a recirculated cooling water conduit. The main loop reverse auxiliary circulating system comprises a back flushing pump, a circulating valve, a first reverse circulating pipeline and a second reverse circulating pipeline, and a first auxiliary circulating pipeline and a second auxiliary circulating pipeline; the filling/emptying and heating system comprises a storage water tank, an emptying/filling pump, a first emptying pipeline, a second emptying pipeline, a filling valve, a first emptying valve, a second emptying valve, a filling/emptying main valve and a filling/emptying main pipeline.

Description

Large-scale vertical pump complete machine aqueous medium test device
Technical Field
The utility model relates to a large-scale vertical pump complete machine aqueous medium test device, the performance test of this kind of large-scale vertical pump of main cycle sodium pump of mainly used nuclear power station 600MW fast reactor return circuit.
Background
The nuclear energy development strategy of China is 'three-step', namely a thermal neutron reactor, a fast neutron breeder and a controlled nuclear fusion reactor. The fast reactor is a dominant reactor type of a fourth-generation advanced nuclear energy system, can improve the utilization rate of natural uranium resources from about 1 percent to more than 60 percent at present, realizes the minimization of radioactive wastes, and can solve the problems of uranium ore resource exhaustion, low nuclear material utilization rate, difficult nuclear waste treatment and the like at one stroke.
A primary loop main circulation sodium pump is a key device in a fast reactor device, and a sodium pump aqueous medium test is a vital basis for setting a 600MW demonstration fast reactor primary loop main circulation sodium pump product and is also a necessary link for product pump inspection before delivery. At present, no similar large vertical pump complete machine aqueous medium test device exists in China. Although the chinese patent with the application number of 201610032093.5 discloses a nuclear power main pump test device, the device is not suitable for performance tests of a large vertical pump such as a 600MW fast reactor primary loop main circulation sodium pump.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a large-scale vertical pump complete machine aqueous medium test device that structural design is reasonable, applicable in the performance test of this kind of large-scale vertical pump of 600MW fast reactor return circuit main cycle sodium pump of nuclear power station.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a large-scale vertical pump complete machine aqueous medium test device which characterized in that: the system comprises a test pump mounting system, a main loop reverse auxiliary circulating system, a filling/emptying and heating system and a main loop cooling water system;
the test pump mounting system comprises a water tank device and a supporting device, wherein the supporting device is mounted in the water tank device;
the main loop system comprises a main loop pipeline, a flowmeter and a main loop valve, wherein the inlet of the main loop pipeline is used for being connected with the water outlet of the vertical pump, the outlet of the main loop pipeline is connected with the water pool device, and the flowmeter and the main loop valve are arranged on the main loop pipeline;
the main loop cooling water system comprises a loop cooler and a circulating cooling water pipeline, wherein the loop cooler is arranged on a main loop pipeline, and the circulating cooling water pipeline is connected with the loop cooler;
the main loop reverse auxiliary circulating system comprises a back flushing pump, a circulating valve, a reverse circulating pipeline I, an auxiliary circulating pipeline II and a reverse circulating pipeline II; an inlet of the reverse circulation pipeline I is connected with a main loop pipeline in front of an outlet of the loop cooler, an outlet of the reverse circulation pipeline I is connected with an inlet of the backflushing pump, and a circulation valve is mounted on the reverse circulation pipeline I; an inlet of the reverse circulation pipeline II is connected with an outlet of the backflushing pump, an outlet of the reverse circulation pipeline II is connected with a main loop pipeline behind an inlet of the loop cooler, and a circulation valve is installed on the reverse circulation pipeline II; the inlet of the first auxiliary circulating pipeline is connected with the second reverse circulating pipeline, the connection point is positioned between the outlet of the backflushing pump and the circulating valve on the second reverse circulating pipeline, the outlet of the first auxiliary circulating pipeline is connected with the first reverse circulating pipeline, the connection point is positioned between the inlet of the first reverse circulating pipeline and the circulating valve on the first reverse circulating pipeline, and the circulating valve is installed on the first auxiliary circulating pipeline; the inlet of the auxiliary circulating pipeline II is connected with the reverse circulating pipeline II, the connecting point is positioned between the outlet of the reverse circulating pipeline II and the circulating valve on the reverse circulating pipeline II, the outlet of the auxiliary circulating pipeline II is connected with the reverse circulating pipeline I, the connecting point is positioned between the inlet of the backflushing pump and the circulating valve on the reverse circulating pipeline I, and the circulating valve is arranged on the auxiliary circulating pipeline II;
the filling/emptying and heating system comprises a storage water tank, an emptying/filling pump, a first emptying pipeline, a second emptying pipeline, a filling valve, a first emptying valve, a second emptying valve, a filling/emptying main valve and a filling/emptying main pipeline; the inlet of the filling/emptying main pipeline is connected with the storage water tank, the outlet of the filling/emptying main pipeline is connected with the inlet of the emptying/filling pump, and a filling/emptying main valve is arranged on the filling/emptying main pipeline; the inlet of the filling pipeline is connected with the outlet of the emptying/filling pump, and the outlet of the filling pipeline is connected with the water pool device; the filling valve is arranged on the filling pipeline; the inlet of the first emptying pipeline is connected with the pool device, the outlet of the first emptying pipeline is connected with the filling/emptying main pipeline, the connection point is positioned between the filling/emptying main valve and the inlet of the emptying/filling pump, and the first emptying valve is arranged on the first emptying pipeline; the inlet of the emptying pipeline II is connected with the filling pipeline, the connection point is positioned between the outlet of the emptying/filling pump and the filling valve, and the outlet is used for being connected with a sewage draining outlet; and the second emptying valve is arranged on the second emptying pipeline.
The water tank device of the utility model comprises a test water tank, a water tank cover plate and a test water cylinder; the water tank cover plate is arranged at the top of the test water tank, and the test water cylinder is arranged on the water tank cover plate; the test water tank, the water tank cover plate and the test water drum form a closed water storage structure.
The supporting device of the utility model comprises a shell, a water outlet pipe, a water outlet cover and a mounting surface; the mounting surface is arranged at the top of the shell and used for mounting the vertical pump; the water outlet cover is fixed on the shell, and the inlet of the main loop pipeline is connected with the water outlet cover; the outlet of the water outlet pipe is connected with the water outlet cover, and the inlet of the water outlet pipe is connected with the water outlet of the vertical pump.
The pool device of the utility model is provided with a cover gas system and a parking sealing gas system; the device also comprises a compressed air supply system, wherein the compressed air supply system comprises a compressed air supply bottle, a covering air pipeline and a maintenance sealing air pipeline; the inlet of the covering air pipeline is connected with a compressed air supply bottle, and the outlet of the covering air pipeline is connected with a covering air system; the inlet of the maintenance sealed air pipeline is connected with a compressed air supply bottle, and the outlet of the maintenance sealed air pipeline is connected with a parking sealed air system.
The utility model discloses still include pump cover air cooling system, pump cover air cooling system include air exhaust fan and exhaust duct, exhaust duct's import is used for being connected with the pump cover, the export is connected with air exhaust fan.
The utility model also comprises a cooling water system of the main motor of the vertical pump, which comprises a cooling water supply pipeline of the main motor, a cooling water return pipeline of the main motor, a cooling water pipeline of the upper bearing of the motor, a cooling water pipeline of the winding of the motor, a cooling water pipeline of the lower bearing of the motor, a cooling water pipeline of the upper bearing of the pump and a cooling water pipeline of the mechanical seal of the pump; the inlets of the pipelines of the upper bearing cooling water pipeline of the motor, the lower bearing cooling water pipeline of the motor, the upper bearing cooling water pipeline of the pump and the mechanical sealing cooling water pipeline of the pump are connected with a cooling water supply pipeline of the main motor, and the outlets of the pipelines are connected with a cooling water return pipeline of the main motor.
Filling/evacuation and heating system still include filter and electric heater, fill valve, filter, electric heater install in proper order on filling the pipeline according to the rivers direction.
Compared with the prior art, the utility model, have following advantage and effect: the large vertical pump performance test device is suitable for a performance test of a 600MW fast reactor primary circuit main circulation sodium pump of a nuclear power station, is compact and reasonable in structural design, and provides a rack guarantee for a primary circuit main circulation sodium pump test, wherein the test result is close to the actual condition of the sodium pump in the nuclear power station.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic top view of a supporting device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a system according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples, which are illustrative of the present invention and are not limited to the following examples.
Referring to fig. 1-3, the embodiment of the present invention includes a test pump mounting system, a main loop reverse auxiliary circulation system, a filling/emptying and heating system, a compressed air supply system, a pump cover air cooling system, a main loop cooling water system, a vertical pump main motor cooling water system, and a vacuum pumping system.
First, the test pump mounting system includes a sink assembly and a support assembly 14. The pool device comprises a test pool 13, a pool cover plate 15 and a test water cylinder 16.
The supporting device 14 is fixed in a test water tank 13 of the water tank device, the vertical pump is installed on the supporting device 14, and static load, dynamic load and vibration of the vertical pump are transmitted to the pile foundation through the supporting device 14. The support device 14 comprises a housing 41, an outlet tube 42, an outlet cover 43 and a mounting surface 44. A mounting surface 44 is provided at the top of the housing 41, the mounting surface 44 being for mounting a vertical pump. The outlet cover 43 is fixed to the front of the housing 41. The outlet of the water outlet pipe 42 is connected with the water outlet cover 43, and the inlet is used for being connected with the water outlet of the vertical pump; two water outlet pipes 42 are provided.
A basin deck 15 is mounted on top of the test basin 13.
The test water cartridge 16 is mounted on the sump cover 15.
The inner wall of the test water tank 13 is covered with a lining steel plate, the water tank cover plate 15 and the test water tank 16 form a closed water storage structure, the test requirements of the pump are met, the test precision is improved, meanwhile, the lining steel plate is used as one part of a closed test system, the stability of pump support is achieved, and the plane size of a conventional pit and water tank combination scheme is reduced.
And the main loop system comprises a main loop pipeline 1, a flowmeter 2 and a main loop valve 3, the inlet of the main loop pipeline 1 is connected with a water outlet cover 43 and further connected with the water outlet of the vertical pump, the outlet of the main loop pipeline is connected with a test water pool 13, and the flowmeter 2 and the main loop valve 3 are installed on the main loop pipeline 1. The major loop system is as test pump flow, main test pipeline such as lift, and during the use, major loop valve 3 is opened, and vertical pump work tests the rivers flow in the major loop pipeline 1 through flowmeter 2, and rivers flow provides the parameter again for testing the lift. The flow meter 2 is a venturi flow meter.
And the main loop cooling water system comprises a loop cooler 11 and a circulating cooling water pipeline 20, wherein the loop cooler 11 is installed on the main loop pipeline 1, and the circulating cooling water pipeline 20 is connected with the loop cooler 11. The main loop cooling water system mainly cools the working water in the main loop pipeline 1 during the vertical pump test, keeps the heat balance of the main loop working medium (the temperature rising/lowering speed is controlled during the temperature rising/lowering, the temperature is kept stable during the stable operation), the working medium of the loop cooler 11 is the circulating cooling water provided by the circulating cooling water pipeline 20, the circulating cooling water system supplies water, and the working pressure is less than 1.0 MP.
And fourthly, the main loop reverse auxiliary circulation system comprises a backflushing pump 4, a circulation valve 5, a reverse circulation pipeline I17, an auxiliary circulation pipeline I18, an auxiliary circulation pipeline II 19 and a reverse circulation pipeline II 20.
An inlet of the first reverse circulation pipeline 17 is connected with the main loop pipeline 1 in front of an outlet of the loop cooler 11, an outlet of the first reverse circulation pipeline 17 is connected with an inlet of the backflushing pump 4, and a circulation valve 5 is installed on the first reverse circulation pipeline 17; the inlet of the second reverse circulation pipeline 20 is connected with the outlet of the backflushing pump 4, the outlet of the second reverse circulation pipeline is connected with the main loop pipeline 1 behind the inlet of the loop cooler 11, and the second reverse circulation pipeline 20 is provided with a circulation valve 5. The directions in front of the outlet of the circuit cooler 11 and behind the inlet of the circuit cooler 11 are described here in terms of the direction of the water flow in the main circuit pipe 1 during the pump flow test.
The inlet of the auxiliary circulation pipeline I18 is connected with the reverse circulation pipeline II 20, the connection point is located between the outlet of the backflushing pump 4 and the circulation valve 5 on the reverse circulation pipeline II 20, the outlet of the auxiliary circulation pipeline I18 is connected with the reverse circulation pipeline I17, the connection point is located between the inlet of the reverse circulation pipeline I17 and the circulation valve 5 on the reverse circulation pipeline I17, and the circulation valve 5 is installed on the auxiliary circulation pipeline I18. The inlet of the auxiliary circulating pipeline II 19 is connected with the reverse circulating pipeline II 20, the connecting point is located between the outlet of the reverse circulating pipeline II 20 and the circulating valve 5 on the reverse circulating pipeline II 20, the outlet of the auxiliary circulating pipeline II 19 is connected with the reverse circulating pipeline I17, the connecting point is located between the inlet of the backflushing pump 4 and the circulating valve 5 on the reverse circulating pipeline I17, and the circulating valve 5 is installed on the auxiliary circulating pipeline II 19.
The reverse auxiliary circulation system of main loop firstly provides the check valve backpressure in the check valve test process of vertical pump export department installation, secondly when the test of main loop system, makes the interior rivers circulation of trunk line when the pipeline resistance can't be overcome to the lift of pump.
When the reverse circulation is used, the circulation valves 5 arranged on the first reverse circulation pipeline 17 and the second reverse circulation pipeline 20 are opened, the circulation valves 5 arranged on the first auxiliary circulation pipeline 18 and the second auxiliary circulation pipeline 19 are closed, the main loop valve 3 is closed, the recoil pump 4 works, the water flow in the main loop pipeline 1 is reversely conveyed back to the main loop pipeline 1, and the action correctness of the check valve is verified.
When the tested pump is at a low rotating speed, the flow is small, the lift is low, the pump lift cannot overcome the pipeline resistance, the circulating valves 5 installed on the first reverse circulating pipeline 17 and the second reverse circulating pipeline 20 are closed, the circulating valves 5 installed on the first auxiliary circulating pipeline 18 and the second auxiliary circulating pipeline 19 are opened, the backflushing pump 4 works, water flow in the main loop pipeline 1 is led into the second auxiliary circulating pipeline 19, and then the water flow is sent back to the main loop pipeline 1 through the first auxiliary circulating pipeline 18, so that the water flow in the main loop pipeline 1 circulates.
And the filling/emptying and heating system comprises a storage water tank 6, an electric heater 7, an emptying/filling pump 8, a filter 21, a first emptying pipeline 22, a second emptying pipeline 24, a filling pipeline 23, a filling valve 25, a first emptying valve 26, a second emptying valve 27, a main filling/emptying valve 28 and a main filling/emptying pipeline 29.
The inlet of the filling/emptying main pipeline 29 is connected with the storage water tank 6, the outlet is connected with the inlet of the emptying/filling pump 8, and the filling/emptying main valve 28 is arranged on the filling/emptying main pipeline 29.
The inlet of the filling pipe 23 is connected to the outlet of the evacuation/filling pump 8, and the outlet is connected to the test basin 13.
The filling valve 25, the filter 21 and the electric heater 7 are sequentially installed on the filling pipe 23 according to the water flow direction.
The inlet of the first emptying pipeline 22 is connected with the test water tank 13, the outlet is connected with the filling/emptying main pipeline 29, the connection point is positioned between the filling/emptying main valve 28 and the inlet of the emptying/filling pump 8, and the first emptying valve 26 is arranged on the first emptying pipeline 22.
The inlet of the second evacuation pipe 24 is connected with the filling pipe 23, the connection point is positioned between the outlet of the evacuation/filling pump 8 and the filling valve 25, and the outlet is connected with a sewage outlet. And a second evacuation valve 27 is mounted on the second evacuation conduit 24.
The filling/emptying and heating system is mainly used for water injection of the whole pipeline system and heating of loop water before the bench test, an electric heater is used for heating to provide heat during the operation of the loop test so as to keep the loop heat balance, and working medium water is discharged after the test is finished. During pouring, the pouring/emptying main valve 28 and the pouring valve 25 are opened, the emptying valve I26 and the emptying valve II 27 are closed, the emptying/pouring pump 8 sends medium water in the storage water tank 6 into the pouring pipeline 23, and the medium water enters the test water tank 13 after being filtered by the filter 21 and heated by the electric heater 7. When the test pond is exhausted, the filling/exhausting main valve 28 and the filling valve 25 are closed, the first exhausting valve 26 and the second exhausting valve 27 are opened, and the exhausting/filling pump 8 sends the medium water in the test pond 13 into the second exhausting pipeline 24 for exhausting.
Sixthly, a covering gas system and a parking sealing gas system are arranged in the water tank device; the cover gas system supplies gas to the water tank device, and the pressure of the gas in the water tank device is adjusted, so that the water pressure of the inlet of the tested pump is changed. The parking sealing gas system is used for supplying gas to the pool device during the shutdown maintenance so as to seal. The compressed air supply system 9 includes a compressed air supply bottle 30, a cover air duct 31, and a service seal air duct 32. The inlet of the cover air duct 31 is connected to a compressed air supply bottle 30, and the outlet is connected to a cover air system. The inlet of the inspection and repair seal air pipe 32 is connected to the compressed air supply cylinder 30, and the outlet thereof is connected to the parking seal air system. The compressed air supply system 9 provides compressed air with different requirements for the cover air system and the parking seal air system respectively, so that the stable pressure of the cover air in the test water cylinder and the use requirement of the parking seal air are ensured.
Seventhly, the pump cover air cooling system 10 comprises an air exhaust fan and an air exhaust pipeline 33, wherein the inlet of the air exhaust pipeline 33 is used for being connected with the pump cover, and the outlet of the air exhaust pipeline is connected with the air exhaust fan. The pump cover air cooling system 10 performs air extraction and cooling on air in the pump cover.
Eighthly, the vertical pump main motor cooling water system 12 comprises a main motor cooling water supply pipeline 34, a main motor cooling water return pipeline 35, a motor upper bearing cooling water pipeline 36, a motor winding cooling water pipeline 37, a motor lower bearing cooling water pipeline 38, a pump upper bearing cooling water pipeline 39 and a pump mechanical seal cooling water pipeline 40.
The motor upper bearing cooling water pipeline 36 is arranged beside the motor upper bearing, the motor winding cooling water pipeline 37 is arranged beside the motor winding, the motor lower bearing cooling water pipeline 38 is arranged beside the motor lower bearing, the pump upper bearing cooling water pipeline 39 is arranged beside the pump upper bearing, and the pump mechanical seal cooling water pipeline 40 is arranged beside the pump mechanical seal.
The inlets of these pipes of the motor upper bearing cooling water pipe 36, the motor winding cooling water pipe 37, the motor lower bearing cooling water pipe 38, the pump upper bearing cooling water pipe 39, and the pump mechanical seal cooling water pipe 40 are connected to the main motor cooling water supply pipe 34, and the outlets of these pipes of the motor upper bearing cooling water pipe 36, the motor winding cooling water pipe 37, the motor lower bearing cooling water pipe 38, the pump upper bearing cooling water pipe 39, and the pump mechanical seal cooling water pipe 40 are connected to the main motor cooling water return pipe 35.
The cooling water system 12 of the main motor of the vertical pump is used for cooling the main motor during the test of the vertical pump. The system takes away heat generated by the operation of a main motor of the vertical pump through circulating cooling water, the working medium of the system is also the circulating cooling water, the working pressure is less than 1.0MPa, and water is supplied by an external circulating cooling water system.
Ninthly, the vacuumizing system comprises a vacuumizing pipeline 45 and a vacuum pump 46. One end of the vacuum pumping pipeline 45 is connected with the water pool device, and the other end is connected with the vacuum pump 46. The vacuum pumping system is used for adjusting the pressure of the gas in the water tank device so as to change the water pressure of the inlet of the tested pump.
The utility model discloses according to pump installation and experimental demand, vertical pump one side sets up four layers of steel platform and is used for operation and maintenance, and the opposite side sets up individual layer steel platform, arranges relevant equipment, makes but test device equipment vertical arrangement, and the size is compact, and the operation is overhauld conveniently.
The utility model discloses a main parameter as follows:
Figure DEST_PATH_IMAGE002
in addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (7)

1. The utility model provides a large-scale vertical pump complete machine aqueous medium test device which characterized in that: the system comprises a test pump mounting system, a main loop reverse auxiliary circulating system, a filling/emptying and heating system and a main loop cooling water system;
the test pump mounting system comprises a water tank device and a supporting device, wherein the supporting device is mounted in the water tank device;
the main loop system comprises a main loop pipeline, a flowmeter and a main loop valve, wherein the inlet of the main loop pipeline is used for being connected with the water outlet of the vertical pump, the outlet of the main loop pipeline is connected with the water pool device, and the flowmeter and the main loop valve are arranged on the main loop pipeline;
the main loop cooling water system comprises a loop cooler and a circulating cooling water pipeline, wherein the loop cooler is arranged on a main loop pipeline, and the circulating cooling water pipeline is connected with the loop cooler;
the main loop reverse auxiliary circulating system comprises a back flushing pump, a circulating valve, a reverse circulating pipeline I, an auxiliary circulating pipeline II and a reverse circulating pipeline II; an inlet of the reverse circulation pipeline I is connected with a main loop pipeline in front of an outlet of the loop cooler, an outlet of the reverse circulation pipeline I is connected with an inlet of the backflushing pump, and a circulation valve is mounted on the reverse circulation pipeline I; an inlet of the reverse circulation pipeline II is connected with an outlet of the backflushing pump, an outlet of the reverse circulation pipeline II is connected with a main loop pipeline behind an inlet of the loop cooler, and a circulation valve is installed on the reverse circulation pipeline II; the inlet of the first auxiliary circulating pipeline is connected with the second reverse circulating pipeline, the connection point is positioned between the outlet of the backflushing pump and the circulating valve on the second reverse circulating pipeline, the outlet of the first auxiliary circulating pipeline is connected with the first reverse circulating pipeline, the connection point is positioned between the inlet of the first reverse circulating pipeline and the circulating valve on the first reverse circulating pipeline, and the circulating valve is installed on the first auxiliary circulating pipeline; the inlet of the auxiliary circulating pipeline II is connected with the reverse circulating pipeline II, the connecting point is positioned between the outlet of the reverse circulating pipeline II and the circulating valve on the reverse circulating pipeline II, the outlet of the auxiliary circulating pipeline II is connected with the reverse circulating pipeline I, the connecting point is positioned between the inlet of the backflushing pump and the circulating valve on the reverse circulating pipeline I, and the circulating valve is arranged on the auxiliary circulating pipeline II;
the filling/emptying and heating system comprises a storage water tank, an emptying/filling pump, a first emptying pipeline, a second emptying pipeline, a filling valve, a first emptying valve, a second emptying valve, a filling/emptying main valve and a filling/emptying main pipeline; the inlet of the filling/emptying main pipeline is connected with the storage water tank, the outlet of the filling/emptying main pipeline is connected with the inlet of the emptying/filling pump, and a filling/emptying main valve is arranged on the filling/emptying main pipeline; the inlet of the filling pipeline is connected with the outlet of the emptying/filling pump, and the outlet of the filling pipeline is connected with the water pool device; the filling valve is arranged on the filling pipeline; the inlet of the first emptying pipeline is connected with the pool device, the outlet of the first emptying pipeline is connected with the filling/emptying main pipeline, the connection point is positioned between the filling/emptying main valve and the inlet of the emptying/filling pump, and the first emptying valve is arranged on the first emptying pipeline; the inlet of the emptying pipeline II is connected with the filling pipeline, the connection point is positioned between the outlet of the emptying/filling pump and the filling valve, and the outlet is used for being connected with a sewage draining outlet; and the second emptying valve is arranged on the second emptying pipeline.
2. The large-scale vertical pump complete machine water medium test device according to claim 1, characterized in that: the water tank device comprises a test water tank, a water tank cover plate and a test water cylinder; the water tank cover plate is arranged at the top of the test water tank, and the test water cylinder is arranged on the water tank cover plate; the inner wall of the test water tank is covered with a lining steel plate, and the lining steel plate, the water tank cover plate and the test water tank form a closed water storage structure.
3. The large-scale vertical pump complete machine water medium test device according to claim 1, characterized in that: the supporting device of the supporting device comprises a shell, a water outlet pipe, a water outlet cover and a mounting surface; the mounting surface is arranged at the top of the shell and used for mounting the vertical pump; the water outlet cover is fixed on the shell, and the inlet of the main loop pipeline is connected with the water outlet cover; the outlet of the water outlet pipe is connected with the water outlet cover, and the inlet of the water outlet pipe is connected with the water outlet of the vertical pump.
4. The large-scale vertical pump complete machine water medium test device according to claim 1, characterized in that: a covering air system and a parking sealing air system are arranged in the pool device; the device also comprises a compressed air supply system, wherein the compressed air supply system comprises a compressed air supply bottle, a covering air pipeline and a maintenance sealing air pipeline; the inlet of the covering air pipeline is connected with a compressed air supply bottle, and the outlet of the covering air pipeline is connected with a covering air system; the inlet of the maintenance sealed air pipeline is connected with a compressed air supply bottle, and the outlet of the maintenance sealed air pipeline is connected with a parking sealed air system.
5. The large-scale vertical pump complete machine water medium test device according to claim 1, characterized in that: the pump cover air cooling system comprises an air exhaust fan and an air exhaust pipeline, the inlet of the air exhaust pipeline is used for being connected with the pump cover, and the outlet of the air exhaust pipeline is connected with the air exhaust fan.
6. The large-scale vertical pump complete machine water medium test device according to claim 1, characterized in that: the cooling water system of the main motor of the vertical pump comprises a main motor cooling water supply pipeline, a main motor cooling water return pipeline, a motor upper bearing cooling water pipeline, a motor winding cooling water pipeline, a motor lower bearing cooling water pipeline, a pump upper bearing cooling water pipeline and a pump mechanical seal cooling water pipeline; the inlets of the pipelines of the upper bearing cooling water pipeline of the motor, the lower bearing cooling water pipeline of the motor, the upper bearing cooling water pipeline of the pump and the mechanical sealing cooling water pipeline of the pump are connected with a cooling water supply pipeline of the main motor, and the outlets of the pipelines are connected with a cooling water return pipeline of the main motor.
7. The large-scale vertical pump complete machine water medium test device according to claim 1, characterized in that: the filling/emptying and heating system further comprises a filter and an electric heater, and the filling valve, the filter and the electric heater are sequentially arranged on the filling pipeline according to the water flow direction.
CN201921434095.2U 2019-08-30 2019-08-30 Large-scale vertical pump complete machine aqueous medium test device Withdrawn - After Issue CN210977830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921434095.2U CN210977830U (en) 2019-08-30 2019-08-30 Large-scale vertical pump complete machine aqueous medium test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921434095.2U CN210977830U (en) 2019-08-30 2019-08-30 Large-scale vertical pump complete machine aqueous medium test device

Publications (1)

Publication Number Publication Date
CN210977830U true CN210977830U (en) 2020-07-10

Family

ID=71418906

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921434095.2U Withdrawn - After Issue CN210977830U (en) 2019-08-30 2019-08-30 Large-scale vertical pump complete machine aqueous medium test device

Country Status (1)

Country Link
CN (1) CN210977830U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110469498A (en) * 2019-08-30 2019-11-19 中国联合工程有限公司 A kind of large-scale vertical pump complete machine aqueous medium experimental rig

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110469498A (en) * 2019-08-30 2019-11-19 中国联合工程有限公司 A kind of large-scale vertical pump complete machine aqueous medium experimental rig
CN110469498B (en) * 2019-08-30 2024-08-09 中国联合工程有限公司 Whole machine water medium test device of large vertical pump

Similar Documents

Publication Publication Date Title
CN101154472B (en) Integrated low-temperature nuclear heat supplying pile
CN102208217B (en) Sealing structure for maintenance of helium circulator of high temperature gas-cooled reactor
CN104347125A (en) Double-channel natural circulation system device
CN210977830U (en) Large-scale vertical pump complete machine aqueous medium test device
CN105508234A (en) Nuclear power main pump test device
CN206505725U (en) Compact pressurized water reactor
CA2991079C (en) Residual heat removal ventilation system for spent fuel dry storage facility of nuclear power plant
CN203397713U (en) Secondary side afterheat removal system with non-condensable gas collecting device
CN110469498B (en) Whole machine water medium test device of large vertical pump
CN206595042U (en) Nuclear power station steam generator is cooled down and EGR
CN213339698U (en) Pool type heat supply reactor with three loops
CN205943478U (en) Active cooling system presentation device of nuclear power station non -
CN203607105U (en) Closed cooling water system for nuclear power plant
CN102820070A (en) Helium-filled system for removing grains in gas
CN112233822B (en) Nuclear power supply energy conversion and waste heat discharge integrated system for marine environment
CN210321318U (en) Tubular heat exchanger suitable for closed circulation technology water supply system of hydropower station
CN108231220A (en) A kind of pipe tube type pressurized water reactor system
CN105679384B (en) Small nuclear power plant
CN209216590U (en) A kind of in-pile component for swimming pool formula low temperature heating reactor power expansion
CN212537802U (en) Waste heat and waste water recovery device
CN204303361U (en) A kind of accident afterheat for large-scale pool type natrium cold fast reactor asymmetric arrangement discharges system
CN106205750A (en) A kind of nuclear power station passive cooling system apparatus for demonstrating
CN210463190U (en) Little circulating system of boiler room draught fan cooling water
CN220646042U (en) Recovery system for steam turbine drainage and feed pump cooling water backwater
CN115507416B (en) Modularized nuclear energy heating energy-saving device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20200710

Effective date of abandoning: 20240809

AV01 Patent right actively abandoned

Granted publication date: 20200710

Effective date of abandoning: 20240809

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned