CN203629775U - Valve pressure resistance property tester - Google Patents
Valve pressure resistance property tester Download PDFInfo
- Publication number
- CN203629775U CN203629775U CN201320792238.3U CN201320792238U CN203629775U CN 203629775 U CN203629775 U CN 203629775U CN 201320792238 U CN201320792238 U CN 201320792238U CN 203629775 U CN203629775 U CN 203629775U
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- Prior art keywords
- valve
- proving installation
- feed tube
- base
- resistance
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- 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.)
- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 claims abstract description 87
- 238000012360 testing method Methods 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 36
- 239000012530 fluid Substances 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 25
- 238000011084 recovery Methods 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 18
- 230000008859 change Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a valve pressure resistance property tester comprising a pneumatic pump and at least one pedestal used for placing the valve; the pedestal is connected with a liquid inlet pipe and a liquid outlet pipe, and connected with a liquid outlet of the pneumatic pump through the liquid inlet pipe; the pedestal is provide with a liquid inlet hole and a liquid outlet hole corresponding to a liquid inlet and a liquid outlet of the valve, wherein the liquid inlet hole is connected with the liquid inlet pipe, and the liquid outlet hole is connected with the liquid outlet pipe; furthermore, the liquid outlet pipe is provided with a first valve and a first pressure gauge. The valve pressure resistance property tester can simulate operation field conditions, can test the pressure resistance property of the valve, ensures high reliability of the valve applied in the system, thereby improving safe operation of the machine set; the valve pressure resistance property tester is stable and fast in adjustment, direct in leakage detection, and uses less liquid in testing.
Description
Technical field
The utility model relates to a kind of proving installation of valve, relates in particular to a kind of valve resistance to pressure proving installation.
Background technology
The sealing major part of the main bleeder valve of VVP system (main steam system) and test solenoid valve is according to the factory testing result of producer, and the factory testing standard of producer is relatively low, the height of the sealing of main bleeder valve and test solenoid valve has affected the height of its resistance to pressure.In practice; sealing requirements to main bleeder valve and test solenoid valve can be high in its standard of dispatching from the factory; therefore make winner's bleeder valve and test solenoid valve in practice, often can occur because sealing is not enough the faults such as leakage, tripping having had a strong impact on the safe operation of unit.And not yet have special proving installation to carry out visual test to the sealing (resistance to pressure) of the valves such as main bleeder valve and test solenoid valve according to practice environment at present.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of for simulated operation field condition, modification stability, quick, and leakage monitoring is directly perceived, the few valve resistance to pressure proving installation of liquid-consumed amount for test.
The utility model solves the technical scheme that its technical matters adopts: a kind of valve resistance to pressure proving installation is provided, comprise air driven pump and at least one is for placing the base of valve, described base is connected with feed tube and drain pipe, and described base connects the outlet end of described air driven pump by described feed tube;
Described base is provided with inlet and liquid outlet inlet opening and the fluid hole one to one with described valve, and described inlet opening is communicated with described feed tube, and described fluid hole is communicated with described drain pipe; And described drain pipe is provided with the first valve and the first tensimeter.
In valve resistance to pressure proving installation of the present utility model, the inlet end of described air driven pump is connected with for connecting open to atmosphere draft tube, and described draft tube is provided with reduction valve; The liquid feeding end of described air driven pump is connected with the feed pipe for being connected with liquid supplying device.
In valve resistance to pressure proving installation of the present utility model, described the first valve is arranged on described drain pipe one end away from described base, and described the first tensimeter is between described base and the first valve and be arranged on described drain pipe; Or described the first tensimeter is arranged on described drain pipe away from one end of described base and seal this end, described the first valve is between described base and the first tensimeter and be arranged on described drain pipe.
In valve resistance to pressure proving installation of the present utility model, described base is also connected with discharging tube, is also provided with the outage corresponding with the leakage fluid dram of described valve on described base, and described outage is communicated with described discharging tube; And described discharging tube is provided with the second valve and the second tensimeter.
In valve resistance to pressure proving installation of the present utility model, described the second valve is arranged on described discharging tube one end away from described base, and described the second tensimeter is between described base and the second valve and be arranged on described discharging tube.
In valve resistance to pressure proving installation of the present utility model, on described feed tube, be provided with the filter mechanism of one or more parallel connections.
In valve resistance to pressure proving installation of the present utility model, described feed tube is provided with the 3rd tensimeter and the 3rd valve.
In valve resistance to pressure proving installation of the present utility model, described feed tube comprises the first feed tube and at least one the second feed tube; Described feed tube connects the outlet end of described air driven pump by described the first feed tube; Described second feed tube one end is connected on described the first feed tube, and the other end connects described base and is communicated with described inlet opening.
In valve resistance to pressure proving installation of the present utility model, this valve resistance to pressure proving installation also comprises test board; Described base is arranged on described test board.
In valve resistance to pressure proving installation of the present utility model, on described test board, be also provided with the sump pit of the liquid for collecting described discharging tube outflow;
Described sump pit is also connected with for by the recirculatory pipe of the liquid backflow of collecting in described sump pit, is provided with the filter mechanism of one or more parallel connections on described recirculatory pipe; Or,
This valve resistance to pressure proving installation also comprises liquids recovery mechanism, and liquids recovery mechanism connects described sump pit by recovery channel.
Valve resistance to pressure proving installation of the present utility model, for simulated operation field condition, tests the resistance to pressure of valve, guarantees that the valve reliability of using in system is high, improves the safe operation of unit; This proving installation has modification stability, fast, and leakage monitoring is directly perceived, and test the feature such as lacks by liquid-consumed amount.
In addition, by the setting of multiple bases, can carry out resistance to pressure test to the valve of multiple identical or different functions, testing efficiency is high simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the planar structure schematic diagram of the valve resistance to pressure proving installation of the utility model one embodiment;
Fig. 2 is the side view of the valve resistance to pressure proving installation of another embodiment of the utility model.
Embodiment
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, the valve resistance to pressure proving installation of the utility model one embodiment, comprise air driven pump 1 and at least one is for placing the base 2 of solenoid valve, air driven pump 1 is served as pressure generation task, by supplying with air driven pump 1 pressurized air, then pump highly pressurised liquid by the piston conversion of air driven pump 1 to base 2, the flow direction by highly pressurised liquid in valve is tested the sealing of valve, thus the resistance to pressure of test valve.
Wherein, base 2 is connected with feed tube 21 and drain pipe 22, and base 2 connects the outlet end of air driven pump 1 by feed tube 21.The inlet end of air driven pump 1 connects draft tube 11, and this draft tube 11, for being communicated with atmosphere, provides atmosphere to air driven pump 1; The liquid feeding end of air driven pump 1 is connected with feed pipe 12, for being connected with liquid supplying device 10, provides the liquid of test use to air driven pump 1.And, in draft tube 11, be provided with reduction valve 13, for controlling compressed-air actuated pressure, and then control hydraulic pressure.The air pressure of this air driven pump 1 and the pressure ratio of hydraulic pressure can be but be not limited to 1:110, and this 1:110 refers to that the producible hydraulic pressure of pressurized air of supply air driven pump 11bar is 110bar.On feed tube 21, can be provided with the 3rd tensimeter 33, be used for showing the hydraulic pressure value of the high pressure liquid that air driven pump 1 pumps; The 3rd tensimeter 33 can adopt master gauge.Further, on feed tube 21, can be provided with the 3rd valve 43, for opening or close this feed tube 21.Preferably, on feed tube 21, also can be provided with filter mechanism 5, filter for the liquid that air driven pump 1 is pumped, with elimination impurity wherein, guarantee that clean high pressure liquid enters solenoid valve.Filter mechanism 5 can adopt filtrator, screen pack etc.Filter mechanism 5 can be one or more; Multiple filter mechanisms 5 are arranged on feed tube 21 with parallel way, also can be respectively equipped with counterbalance valve between multiple filter mechanisms 5 and air driven pump 1.When work, the liquid that can pump air driven pump 1 by a filter mechanism 5 filters, and other filter mechanisms 5 can be used as filter mechanism for subsequent use.Filter mechanism 5 in using in use for some time, can increase because the obstruction of impurity makes its fluid pressure of flowing through, now the counterbalance valve of other filter mechanism 5 correspondences is opened, make liquid flow through counterbalance valve to corresponding filter mechanism 5, flow to base 2 from filter mechanism 5 again, guarantee normally carrying out of test.
Further, described valve also can be solenoid valve etc. and has inlet, liquid outlet and three mouths of leakage fluid dram or three with valve suitable for reading.As shown in Figure 1, in the present embodiment, base 2 is also connected with discharging tube 23, is also provided with the outage corresponding with the leakage fluid dram of valve 230 on base 2, and outage 230 is communicated with discharging tube 23.And discharging tube 23 is provided with the second valve 42 and the second tensimeter 32.As a kind of selectivity embodiment, this inlet opening 210, fluid hole 220 and outage 230 are all arranged on the upper surface of base 2.Be arranged on base 2 as solenoid valve at valve after, the inlet of solenoid valve and inlet opening 210 are connected, and liquid outlet and fluid hole 220 are connected, and leakage fluid dram is connected with outage 230, when test, the liquid of test use enters in solenoid valve by feed tube 21, inlet opening 220 and inlet successively.
Discharging tube 23 is provided with the second valve 42 and the second tensimeter 32.The second valve 42 is arranged on discharging tube 23 one end away from base 2, and the second tensimeter 32 is between base 2 and the second valve 42 and be arranged on discharging tube 23.When test, in not energising situation of solenoid valve, whether change to judge that by the second tensimeter 32 on discharging tube 23 whether the leakage fluid dram sealing of solenoid valve is good; In solenoid valve energising situation, whether change to judge that whether the sealing between liquid outlet and the leakage fluid dram of solenoid valve is good by the first tensimeter 31 on drain pipe 22.Wherein, in the time that the numerical value of the first tensimeter 31 or the second tensimeter 32 changes as reduction, explanation has liquid to flow in drain pipe 22 or discharging tube 23; After being completed, by opening the first valve 41 or the second valve 42, liquid is wherein discharged.
Above-mentioned feed tube 21 can comprise the first feed tube 211 and at least one the second feed tube 212, and the quantity of this second feed tube 212 can be according to the quantity setting of base 2.Feed tube 21 connects the outlet end of air driven pump 1 by the first feed tube 211; Second feed tube 212 one end are connected on the first feed tube 211, and the other end connects base 2 and is communicated with inlet opening 210.The 3rd valve 43 can be provided with multiple, is separately positioned on the first feed tube 211 and the second feed tube 212; Filter mechanism 5 is preferably arranged between air driven pump 1 and the 3rd valve 43; The 3rd tensimeter 33 can be arranged on the first feed tube 211, and the 3rd tensimeter 33 is preferably placed at filter mechanism 5 and is arranged on the first feed tube 211 away from a side of air driven pump 1.
In addition, this valve resistance to pressure proving installation also can comprise test board 6, and base 2 is arranged on test board 6, and liquid supplying device 10 can be arranged on test board 6, the below of test board 6 or test board 6 sides; In embodiment as shown in Figure 1, liquid supplying device 10 is arranged on test board 6 one sides, and filter mechanism 5 is filtrator.On test board 6, be also provided with sump pit 61, the liquid flowing out for collecting discharging tube 23 or discharging tube 23 and drain pipe 22.In embodiment, sump pit 61 is arranged on a side of test board 63 as shown in Figure 1, and the free end of the discharging tube 23 on base 2 or discharging tube 23 and drain pipe 22 is towards this sump pit 61.
As shown in Figure 2, the valve resistance to pressure proving installation of another embodiment of the utility model, comprise air driven pump 1 and at least one is for placing the base 2 of solenoid valve, air driven pump 1 is served as pressure generation task, by supplying with air driven pump 1 pressurized air, then pump highly pressurised liquid by the piston conversion of air driven pump 1 to base 2, the flow direction by highly pressurised liquid in valve is tested the sealing of valve, thus the resistance to pressure of test valve.This embodiment is from above-mentioned embodiment illustrated in fig. 1 different: liquid supplying device 10 is arranged on the side on test board 6, feed pipe 12 one end connect liquid supplying device 10, the other end connects air driven pump 1 in the below of test board 6,21 one end of feed tube connect air driven pump 1, the other end connects base 2 on test board 6, and air driven pump 1 and filter mechanism 5 are all arranged on test board 6 belows.
In the present embodiment, filter mechanism 5 is screen pack, and understandably, this filter mechanism 5 also can be filtrator.The miscellaneous part of the valve resistance to pressure proving installation of the present embodiment can, with reference to above-mentioned embodiment illustrated in fig. 1, not repeat them here.
The valve resistance to pressure proving installation of the present embodiment also comprises liquids recovery mechanism 7, and liquids recovery mechanism 7, by recovery channel 71 connected drainage grooves 61, gets up to recycle by the liquid collection of test use.This liquids recovery mechanism 7 also can connect liquid supplying device 10 by recirculatory pipe, and the liquid of collection is back to liquid supplying device 10 by recirculatory pipe.Understandably, the valve resistance to pressure proving installation of this embodiment also can pass through recirculatory pipe connected drainage groove 61 and liquid supplying device 10.On above-described recirculatory pipe, filter mechanism (as filtrator or screen pack etc.) also can be set, by filter mechanism, the liquid that is back to liquid supplying device 10 is filtered; Reverse checkvalve also can be set on recirculatory pipe, prevent that by reverse checkvalve liquid is back to recirculatory pipe from liquid supplying device 10.
Test for the resistance to pressure of the solenoid valve in pressurized-water reactor nuclear power plant main steam shielding system the course of work that this proving installation is described as example take proving installation of the present utility model below.For the resistance to pressure test of the solenoid valve in main steam shielding system, liquid medium used is oil (fire resistant oil).With reference to figure 1, detailed process: solenoid valve is installed on base 2 by securing members such as bolts, and by the inlet of solenoid valve, liquid outlet and leakage fluid dram and inlet opening, fluid hole and outage corresponding connection one by one on base 2; Guarantee that the first valve 41, the second valve 42 and the 3rd valve 43 are all in closed condition; Air driven pump 1 is worked, output hydraulic oil, and hydraulic oil enters in solenoid valve by feed tube; Then solenoid valve do not switch on and energising situation under observe hydraulic oil trend, to judge the sealing of solenoid valve.
In the time that solenoid valve is not switched on, its inlet and leakage fluid dram communicate, now open the second valve 42 on discharging tube 23, whether the numerical value of observing a period of time (as 20 minutes) the second tensimeter 32 changes the sealing that judges solenoid valve leakage fluid dram as declined, in the time that the second tensimeter 32 numerical value decline, there is oil to leak in discharging tube 23 by the leakage fluid dram of solenoid valve, illustrate that the leakage fluid dram sealing of solenoid valve is poor, thereby resistance to pressure is poor; Otherwise the second tensimeter 32 does not change, and illustrate that the leakage fluid dram sealing of solenoid valve is better, thereby resistance to pressure is better.
To solenoid valve energising, liquid outlet and the leakage fluid dram of solenoid valve communicate, and inlet and liquid outlet and leakage fluid dram are all obstructed; Open the first valve 41 on drain pipe 22, whether the numerical value of observing a period of time (as 20 minutes) the first tensimeter 31 changes the sealing that judges solenoid valve liquid outlet as declined, in the time that the first tensimeter 31 numerical value decline, there is oil to leak in drain pipe 22 by the liquid outlet of solenoid valve, the liquid outlet sealing that solenoid valve is described is poor, thereby resistance to pressure is poor; Otherwise the first tensimeter 31 does not change, and illustrate that the liquid outlet sealing of solenoid valve is better, thereby resistance to pressure is better.
After using this proving installation to the resistance to pressure test of solenoid valve, the solenoid valve that does not meet resistance to pressure requirement can be chosen, to guarantee that the resistance to pressure that applies to the solenoid valve in main steam shielding system all meets the demands, guarantee the safe operation of unit.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; 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 utility model.
Claims (10)
1. a valve resistance to pressure proving installation, it is characterized in that, comprise air driven pump (1) and at least one is for placing the base (2) of valve, described base (2) is connected with feed tube (21) and drain pipe (22), and described base (2) connects the outlet end of described air driven pump (1) by described feed tube (21);
Described base (2) is provided with inlet and liquid outlet inlet opening (210) and the fluid hole (220) one to one with described valve, described inlet opening (210) is communicated with described feed tube (21), and described fluid hole (220) is communicated with described drain pipe (22); And described drain pipe (22) is provided with the first valve (41) and the first tensimeter (31).
2. valve resistance to pressure proving installation according to claim 1, is characterized in that, the inlet end of described air driven pump (1) is connected with for connecting open to atmosphere draft tube (11), and described draft tube (11) is provided with reduction valve (13); The liquid feeding end of described air driven pump (1) is connected with the feed pipe (12) for being connected with liquid supplying device (10).
3. valve resistance to pressure proving installation according to claim 1, it is characterized in that, described the first valve (41) is arranged on described drain pipe (22) one end away from described base (2), and described the first tensimeter (31) is positioned between described base (2) and the first valve (41) and is arranged on described drain pipe (22); Or, described the first tensimeter (31) is arranged on described drain pipe (22) away from one end of described base (2) and seal this end, and described the first valve (41) is positioned between described base (2) and the first tensimeter (31) and is arranged on described drain pipe (22).
4. valve resistance to pressure proving installation according to claim 1, it is characterized in that, described base is also connected with discharging tube (23), on described base (2), be also provided with the outage corresponding with the leakage fluid dram of described valve (230), described outage (230) is communicated with described discharging tube (23); And described discharging tube (23) is provided with the second valve (42) and the second tensimeter (32).
5. valve resistance to pressure proving installation according to claim 4, it is characterized in that, described the second valve (42) is arranged on described discharging tube (23) one end away from described base (2), and described the second tensimeter (32) is positioned between described base (2) and the second valve (42) and is arranged on described discharging tube (23).
6. valve resistance to pressure proving installation according to claim 1, is characterized in that, is provided with the filter mechanism (5) of one or more parallel connections on described feed tube (21).
7. valve resistance to pressure proving installation according to claim 1, is characterized in that, described feed tube (21) is provided with the 3rd tensimeter (33) and the 3rd valve (43).
8. valve resistance to pressure proving installation according to claim 1, is characterized in that, described feed tube (21) comprises the first feed tube (211) and at least one the second feed tube (212); Described feed tube (21) connects the outlet end of described air driven pump (1) by described the first feed tube (211); It is upper that described the second feed tube (212) one end is connected to described the first feed tube (211), and the other end connects described base (2) and is communicated with described inlet opening (210).
9. according to the valve resistance to pressure proving installation described in claim 1-8 any one, it is characterized in that, this valve resistance to pressure proving installation also comprises test board (6); Described base (2) is arranged on described test board (6).
10. valve resistance to pressure proving installation according to claim 9, is characterized in that, is also provided with sump pit (61) on described test board (6);
Described sump pit (61) is also connected with for by the recirculatory pipe of the liquid backflow of collecting in described sump pit (61), is provided with the filter mechanism of one or more parallel connections on described recirculatory pipe; Or,
This valve resistance to pressure proving installation also comprises liquids recovery mechanism (7), and liquids recovery mechanism (7) connects described sump pit (61) by recovery channel (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792238.3U CN203629775U (en) | 2013-12-04 | 2013-12-04 | Valve pressure resistance property tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792238.3U CN203629775U (en) | 2013-12-04 | 2013-12-04 | Valve pressure resistance property tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629775U true CN203629775U (en) | 2014-06-04 |
Family
ID=50816241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320792238.3U Expired - Lifetime CN203629775U (en) | 2013-12-04 | 2013-12-04 | Valve pressure resistance property tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203629775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448358A (en) * | 2015-11-10 | 2016-03-30 | 中广核工程有限公司 | High-temperature test method and device for beyond design basis pressure relieve valve in nuclear power plant |
| CN114753996A (en) * | 2022-05-07 | 2022-07-15 | 上海金脉汽车电子有限公司 | Water pump test bench and test method |
-
2013
- 2013-12-04 CN CN201320792238.3U patent/CN203629775U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448358A (en) * | 2015-11-10 | 2016-03-30 | 中广核工程有限公司 | High-temperature test method and device for beyond design basis pressure relieve valve in nuclear power plant |
| CN105448358B (en) * | 2015-11-10 | 2018-06-15 | 中广核工程有限公司 | The hot test method and device of nuclear power station beyond design basis accident pressure relief valve |
| CN114753996A (en) * | 2022-05-07 | 2022-07-15 | 上海金脉汽车电子有限公司 | Water pump test bench and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
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| CX01 | Expiry of patent term |