CN204177558U - A kind of big-flow high-pressure fluid test system - Google Patents

A kind of big-flow high-pressure fluid test system Download PDF

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Publication number
CN204177558U
CN204177558U CN201420536622.1U CN201420536622U CN204177558U CN 204177558 U CN204177558 U CN 204177558U CN 201420536622 U CN201420536622 U CN 201420536622U CN 204177558 U CN204177558 U CN 204177558U
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testpieces
big
pressure
pressure fluid
test system
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CN201420536622.1U
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庄东填
张玉祯
黄俊雄
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DONGFANG (GUANGZHOU) HEAVY MACHINERY Co Ltd
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DONGFANG (GUANGZHOU) HEAVY MACHINERY Co Ltd
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Abstract

The utility model relates to a kind of big-flow high-pressure fluid test system, comprise test loop, described test loop comprises the pipeline of water pump, testpieces and connection water pump and testpieces, the import and export of described testpieces is connected with differential pressure gauge, described test loop is provided with thermostat, and described test loop is circumscribed with supercharging stable-pressure device.Test loop of the present utility model is installed differential pressure gauge with the pressure drop of detection experiment part, supercharging stable-pressure device is on the one hand for loop provides the pressure defect that pump capacity is large to make up, pressure is little, on the other hand itself and thermostat collaborative work, the pressure and temperature in steady testing loop, ensure that the stability of whole pilot system and the repeatability of test.The utility model can be applicable to the test of thermonuclear field part.

Description

A kind of big-flow high-pressure fluid test system
Technical field
The utility model relates to a kind of fluid test system, particularly relates to a kind of big-flow high-pressure fluid test system.
Background technology
Shielding enclosed mass is for ITER(International Thermonuclear reactor) a part, material is stainless steel, and inside is provided with complicated fluid passage, and during nuclear reactor work, shielding enclosed mass is connected with current by intake-outlet, and the heat of nuclear reactor is taken out of by current.Need to determine that water flows through the pressure drop of shielding enclosed mass by test, to be equipped with suitable pump for reactor in the design phase.
Shielding Mass volum little (about 2m × 2m × 1m), but inner structure is complicated, pressure high (about 4MPa) during work, and flow large (about 36t/h), droop loss is large.Although its pressure drop can be determined by hydrodynamics method, also need the accuracy being carried out verification computation result by test.Drop measurement is research technique more conventional in fluid mechanics, because the ability of pump limits, is generally difficult to reach the pressure required by the test of shielding enclosed mass and flow simultaneously, although but or can reach and need a set of huge system.
Current existing pilot system normally high pressure low discharge, or low-pressure high flow capacity, cannot meet the requirement of the specialized fluids unit of the high pressure high flow capacity as shielding enclosed mass.The fluid test system only having minority special can be satisfied the demand the test condition of high pressure high flow capacity element of fluid, but these systems none be not very huge dedicated system, be difficult to build such set of system specially in manufacturing plant.
Utility model content
In order to overcome above-mentioned technical matters, the purpose of this utility model is the fluid test system providing a kind of high pressure, large discharge, temperature stabilization and pressure stability.
The technical scheme that the utility model adopts is:
A kind of big-flow high-pressure fluid test system, comprise test loop, described test loop comprises the pipeline of water pump, testpieces and connection water pump and testpieces, the import and export of described testpieces is connected with differential pressure gauge, described test loop is provided with thermostat, and described test loop is circumscribed with supercharging stable-pressure device.
As the further improvement of technique scheme, described thermostat is the refrigeratory be serially connected on test loop.
As the further improvement of technique scheme, the inlet and outlet of described testpieces is connected to tensimeter respectively.
As the further improvement of technique scheme, described test loop is provided with flowmeter and thermometer.
As the further improvement of technique scheme, described test loop is provided with flow regulator, described flow regulator comprises the flow control valve being arranged on testpieces inflow point and the bypass being connected in testpieces import and export, and described bypass is provided with bypass valve.
As the further improvement of technique scheme, described testpieces is that ITER shields enclosed mass.
As the further improvement of technique scheme, described supercharging stable-pressure device comprises buffer tank and supercharger, described buffer tank inner chamber is divided into the plenum space on top and the water space capacity of bottom, and described water space capacity is by pipeline connecting test loop, and described plenum space connects supercharger by pipeline.
As the further improvement of technique scheme, described water space capacity is circumscribed with circulating water treatment device.
As the further improvement of technique scheme, described supercharger is compressed gas cylinder.
The beneficial effects of the utility model are: test loop of the present utility model is installed differential pressure gauge with the pressure drop of detection experiment part, supercharging stable-pressure device is on the one hand for loop provides the pressure defect that pump capacity is large to make up, pressure is little, on the other hand itself and thermostat collaborative work, the pressure and temperature in steady testing loop, ensure that the stability of whole pilot system and the repeatability of test.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Big-flow high-pressure fluid test system as shown in Figure 1, comprises test loop, and test loop comprises water pump 1, testpieces 2 and is connected the pipeline of water pump 1 and testpieces 2.The import and export of testpieces 2 is connected with differential pressure gauge 3, flows through the pressure drop before and after testpieces 2 in order to test fluid.
Test loop is also provided with thermostat, keeps the temperature stabilization in loop.Test loop is also circumscribed with supercharging stable-pressure device, by supercharging in order to make up the defect that water pump 1 flow is large, pressure is little, can also keep the pressure stability of test loop in addition.
Preferably, thermostat is the refrigeratory 4 be serially connected on test loop.Refrigeratory 4 is heat interchanger in the present embodiment, by regulating the cooling water flow of refrigeratory 4, can reach the requirement regulating cooldown rate, by controlled cooling model speed, making test loop temperature remained constant.
Preferably, the inlet and outlet of testpieces 2 is connected to tensimeter 5 respectively, flows through the pressure before and after testpieces 2 in order to test fluid.
Preferably, test loop is provided with flowmeter 6 and thermometer 7, in order to fluid flow and the fluid temperature (F.T.) of measuring circuit.
Above-mentioned differential pressure gauge 3, tensimeter 5, flowmeter 6 and thermometer 7 all have scene show and be connected in computing machine, automatically to record each parameter.
Preferably, test loop is provided with flow regulator.Flow regulator is made up of two parts: a flow control valve 8 being mounted in testpieces 2 inflow point, another part is the bypass being connected in testpieces 2 import and export, and bypass is provided with bypass valve 9.Adjusted the flow of test loop by flow control valve 8, also can open bypass valve 9 simultaneously and shunt, be reduced by the flow of testpieces 2.Test loop is also provided with an exhausr port, exhausr port is connected to vent valve I 14.
Testpieces 2 in the present embodiment is ITER shielding enclosed mass.
Preferably, supercharging stable-pressure device comprises buffer tank 10 and supercharger 11, buffer tank 10 inner chamber is divided into the plenum space on top and the water space capacity of bottom, air is full of in plenum space, fill water in water space capacity, in actual use, plenum space and water space capacity all roughly account for a half volume of buffer tank 10.Water space capacity is by pipeline connecting test loop, and for supplying water in loop, the pipeline connecting water space capacity and test loop is provided with a sewage draining exit and blowoff valve 15.Plenum space connects supercharger 11 by pipeline, is buffer tank 10 supercharging, its connecting tube is connected to vent valve II 17 by supercharger 11.By the gas boosting of supercharger 11 pairs of buffer tanks 10, the pressure of whole system is made to reach testing requirements; At the trial, the gas in buffer tank 10 also will alleviate system pressure fluctuation, play the effect of voltage stabilizing.Liquid level gauge is equipped with buffer tank 10, for observing water level in tank; Safety valve 16 is also equipped with buffer tank 10, for overpressure protection; Pressure tank table 13 is also housed, for observing pressure simultaneously.
Above-mentioned supercharging stable-pressure device makes the fluid test system pressure range of adjustment of foundation extensive, can realize the adjustment within the scope of 0 ~ 6MPa; And flow adjustment range is extensive, can realize the adjustment within the scope of 0 ~ 40t/h.
Preferably, supercharger 11 is compressed gas cylinder.
Preferably, water space capacity is circumscribed with circulating water treatment device 12, for the treatment of test water, to reach the water quality requirement of test, avoids test water test for contamination part 2.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection domain.

Claims (9)

1. a big-flow high-pressure fluid test system, comprise test loop, it is characterized in that: described test loop comprises the pipeline of water pump, testpieces and connection water pump and testpieces, the import and export of described testpieces is connected with differential pressure gauge, described test loop is provided with thermostat, and described test loop is circumscribed with supercharging stable-pressure device.
2. big-flow high-pressure fluid test system according to claim 1, is characterized in that: described thermostat is the refrigeratory be serially connected on test loop.
3. big-flow high-pressure fluid test system according to claim 1, is characterized in that: the inlet and outlet of described testpieces is connected to tensimeter respectively.
4. big-flow high-pressure fluid test system according to claim 1, is characterized in that: described test loop is provided with flowmeter and thermometer.
5. big-flow high-pressure fluid test system according to claim 1, it is characterized in that: described test loop is provided with flow regulator, described flow regulator comprises the flow control valve being arranged on testpieces inflow point and the bypass being connected in testpieces import and export, and described bypass is provided with bypass valve.
6. the big-flow high-pressure fluid test system according to claim 1 or 2 or 3 or 4 or 5, is characterized in that: described testpieces is that ITER shields enclosed mass.
7. big-flow high-pressure fluid test system according to claim 1, it is characterized in that: described supercharging stable-pressure device comprises buffer tank and supercharger, described buffer tank inner chamber is divided into the plenum space on top and the water space capacity of bottom, described water space capacity is by pipeline connecting test loop, and described plenum space connects supercharger by pipeline.
8. big-flow high-pressure fluid test system according to claim 7, is characterized in that: described water space capacity is circumscribed with circulating water treatment device.
9. the big-flow high-pressure fluid test system according to claim 7 or 8, is characterized in that: described supercharger is compressed gas cylinder.
CN201420536622.1U 2014-09-17 2014-09-17 A kind of big-flow high-pressure fluid test system Active CN204177558U (en)

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CN201420536622.1U CN204177558U (en) 2014-09-17 2014-09-17 A kind of big-flow high-pressure fluid test system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109741843A (en) * 2018-12-13 2019-05-10 中核北方核燃料元件有限公司 A kind of nuclear fuel assembly flow detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109741843A (en) * 2018-12-13 2019-05-10 中核北方核燃料元件有限公司 A kind of nuclear fuel assembly flow detector

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