CN207882080U - A kind of device for the nuclear power plant voltage stabilizer pressure release case water pressure test - Google Patents
A kind of device for the nuclear power plant voltage stabilizer pressure release case water pressure test Download PDFInfo
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- CN207882080U CN207882080U CN201721391787.4U CN201721391787U CN207882080U CN 207882080 U CN207882080 U CN 207882080U CN 201721391787 U CN201721391787 U CN 201721391787U CN 207882080 U CN207882080 U CN 207882080U
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- blank flange
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- release case
- pressure release
- exhaust
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Abstract
The utility model provides a kind of device for the nuclear power plant voltage stabilizer pressure release case water pressure test, including：First blank flange, an end face and the periphery of first blank flange are drilled with exhaust blind hole, and the end face is communicated with the exhaust blind hole of the periphery, and the blind hole on the periphery is connected to the downtake pipe equipped with first row air valve；The end face of second blank flange, second blank flange is drilled with exhaust hole, and the water inlet pipe with inlet valve is installed on the exhaust hole；Exhaust hole is bored in the end face of third blank flange, the third blank flange, and the second exhaust pipe with second row air valve is installed on the exhaust hole；Exhaust hole is bored in the end face of 4th blank flange, the 4th blank flange, and the third exhaust pipe with third air bleeding valve and pressure gauge is installed on the exhaust hole.The device has good exhaust effect.
Description
Technical field
The utility model is related to nuclear power stations to use as a servant detection field, more particularly to a kind of for nuclear power plant voltage stabilizer pressure release case hydraulic pressure
The device of experiment.
Background technology
Using extremely extensively in the In-service testing work of nuclear island container, main purpose is that examination pressure is held for the water pressure test
The integral strength and compactness of device, while can also play the role of eliminating some mechanical stress.For internal pressure vessel, mainly
Whether examination defect under super design pressure, which can occur Quick Extended, damages or cracks and cause to leak, and examines sealing structure
Sealing performance;For external pressure vessel, since the experiment of examination stability of external pressure is difficult to carry out, and by the way of internal pressure
The water pressure test is carried out, main purpose does not lie in examination integral strength, but checks the compactness, leakproofness and welding matter of equipment
Amount, leakproofness when verifying its bearing operation and safety.During actual hydraulic pressure is tested, water-filling, pre-trial, water are needed
Organizing and implementing pressure experiment and resumed work, method are with 1.25 times of pressure-containing member design pressure or 1.5 times of pressure injections
Test water.At least observe that, by entirely testing boundary No leakage or ne-leakage, which is just considered in 30min
It is qualified.And the water pressure test implementation be unable to do without experiment makeshift device installation, it is therefore an objective to ensure entirely test boundary it is complete every
From.In order to reach better isolation and be conveniently operated, it can be directed to subjects before experiment and entire experimental enviroment carries out
Investigation and analysis are to produce the device of the water pressure test, in order to the recovery after the implementation and experiment of installation, the experiment of device
Work.And in the prior art, the design of water pressure test makeshift device is complicated, inconvenient, and isolation effect is also not satisfactory, has
When isolation can be caused not tight, influence the qualification of test result.
Utility model content
Technical problem to be solved by the utility model is to provide one kind to try for nuclear power plant voltage stabilizer pressure release case hydraulic pressure
The device tested can improve the isolation boundary state of the voltage-stablizer pressure release case water pressure test, promote the accuracy rate of data acquisition.
In order to solve the above-mentioned technical problem, the utility model provides a kind of for the nuclear power plant voltage stabilizer pressure release case water pressure test
Device, it may include：
First blank flange, an end face and the periphery of first blank flange are drilled with exhaust blind hole, the end face
It is communicated with the exhaust blind hole of the periphery, the blind hole on the periphery connects with the downtake pipe equipped with first row air valve
It is logical；
The end face of second blank flange, second blank flange is drilled with exhaust hole, and band is installed on the exhaust hole
The water inlet pipe of inlet valve；
Exhaust hole is bored in the end face of third blank flange, the third blank flange, installs and carries on the exhaust hole
The second exhaust pipe of second row air valve；
Exhaust hole is bored in the end face of 4th blank flange, the 4th blank flange, installs and carries on the exhaust hole
The third exhaust pipe of third air bleeding valve and pressure gauge.
In an alternate embodiment of the invention, first blank flange is 12 " -600Lb blank flanges, second blank flange
For 1.5 " -300Lb blank flanges, the third blank flange and the 4th blank flange are 18 " -150Lb blank flanges.
In an alternate embodiment of the invention, it is formed by the end face and the exhaust blind hole of the periphery inside the blank flange
Bending channel, the gas in the voltage-stablizer pressure release case is discharged into the downtake pipe by the bending channel, and passes through
The downtake pipe discharge.
In an alternate embodiment of the invention, before carrying out the water pressure test, the water inlet pipe is connected with external water source, for that will test
It is injected in isolation boundary with water；When carrying out the water pressure test, the water inlet pipe is connected with external test pump, is suppressed to equipment, into
The row water pressure test.
In an alternate embodiment of the invention, the pressure gauge is installed by gauge stand, to monitor and show the voltage-stablizer pressure release case
The pressure of interior water.
In an alternate embodiment of the invention, before first blank flange is installed, the position of first blank flange is installed
It installs and is equipped with pipeline, when installing first blank flange, the pipeline is raised by lifting lug, to reserve installation described first
The position of blank flange.
In an alternate embodiment of the invention, the pipeline is elevated by ceiling mounted lifting lug.
In an alternate embodiment of the invention, first blank flange, the third blank flange and the 4th blind plate method
Orchid is located at the different location of the top of the voltage-stablizer pressure release case.
In an alternate embodiment of the invention, second blank flange is located at the arbitrary position of the outside of the voltage-stablizer pressure release case
It sets.
The advantageous effect of the utility model embodiment is：In the nuclear power plant voltage stabilizer pressure release case water pressure test, use with
On device, on the one hand, the apparatus structure is simplified, convenient for make, installation and restore；On the one hand, there is good exhaust effect,
Difficulty of construction can be reduced using periphery exhaust, isolation boundary is reduced, reduce weld seam, reduce equipment damage, improve working efficiency.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is construction signal of the utility model for the embodiment of the device of the nuclear power plant voltage stabilizer pressure release case water pressure test
Figure.
Fig. 2 is the sectional view of 12 " -600Lb blank flanges in the embodiments of the present invention.
Fig. 3 is the sectional view of 1.5 " -300Lb blank flanges in the embodiments of the present invention.
Fig. 4 is the sectional view of 18 " -150Lb blank flanges in the embodiments of the present invention.
Fig. 5 is the sectional view of another 18 " -150Lb blank flanges in the embodiments of the present invention.
Fig. 6 is the schematic diagram of pipeline mounting means in the embodiments of the present invention.
Specific implementation mode
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.
The utility model is used for the device of the nuclear power plant voltage stabilizer pressure release case water pressure test, constructs as shown in Figure 1, including：
Blank flange 10 is mounted on the flange of a pressure pipeline of the top of pressure release case 01, and with the pressure pipeline
Flange combine closely, as shown in Fig. 2, an end face in blank flange 10 is drilled with blind hole 15, in the circumference of blank flange 10
Blind hole 16 is drilled on face, blind hole 15 is communicated with equipment pressure pipeline, and blind hole 16 is communicated with blind hole 15, and blind hole 16 is external with exhaust
The exhaust pipe 12 of valve 13 is provided with seal washer 11 between pressure pipeline flange and blank flange 10, and such structure can be real
Gas in 01 pipeline of existing equipment is discharged in small space by the exhaust pipe 12 of blank flange 10.In optional embodiment
In, blank flange 10 can be 12 " -600Lb blank flanges, wherein 12 " indicate that the size of blank flange is 12 inches, 600Lb tables
Show that blank flange can bear 600 pounds of pressure.Certain blank flange 10 can be that 12 " -600Lb blank flanges are only for example, at it
In his embodiment, blank flange 10 can be other sizes and bear other pressure.
Blank flange 20, in conjunction with shown in Fig. 3, the end face of blank flange 20 is closely connect with pressure release case 01 by flange,
Other end is connected by water inlet pipe 22, inlet valve 23 with water source equipped with water inlet pipe 22, inlet valve 23.Blank flange 20
On be provided with a venthole 21,21 one end of the venthole is connected to pressure release case 01, and the other end is connected to water inlet pipe 22, is carrying out hydraulic pressure examination
When testing, opens inlet valve 23 and be filled with water in pressure release case 01 from water inlet pipe 22.In optional embodiment, the venthole 21 can
It is opened in the center of blank flange 20.The center that certain venthole 21 can be opened in blank flange 20 is only citing,
In the specific implementation, venthole 21 can be opened in any position on the end face of blank flange 20.In an alternate embodiment of the invention, blind plate
Flange 20 can be 1.5 " -300Lb blank flanges.Certain blank flange 20 can be that 1.5 " -300Lb blank flanges are only for example,
In other embodiment, blank flange 20 can be other sizes and bear other pressure.Blank flange 30 is mounted on pressure release case 01
On a certain flange of side, one end is combined closely with the flange, and exhaust pipe 32 and air bleeding valve 33 are loaded onto in other end, is such as schemed
Shown in 4, a venthole 31, one end connection pressure release case 01 of the venthole 31, other end connection row are provided on blank flange 30
Tracheae 32 opens air bleeding valve 33 and gas in pressure release case 01 is discharged from exhaust pipe 32, work as row when carrying out water pressure test water filling
When tracheae 32 overflows water, i.e., the gas in the region has emptied in pressure release case 01, can close air bleeding valve 33.In optional embodiment,
The venthole 31 can be opened in the center of blank flange 30.Certain venthole 31 can be opened in the center of blank flange 30
Position is only citing, in the specific implementation, venthole 31 can be opened in any position on the end face of blank flange 30.Optional
In embodiment, blank flange 30 can be 18 " -150Lb blank flanges.Certain blank flange 30 can be 18 " -150Lb blank flanges
It is only for example, in other embodiments, blank flange 30 can be other sizes and bear other pressure.
Blank flange 40 is mounted on a certain flange of 01 top of pressure release case, and one end is combined closely with the flange,
Exhaust pipe 42, air bleeding valve 43, air bleeding valve 44 and pressure gauge 45 are loaded onto in other end, as shown in figure 5, being opened on blank flange 40
There is a venthole 41, one end connection pressure release case 01 of venthole 41, the other end is connected to exhaust pipe 42, is carrying out water pressure test water filling
When, it opens air bleeding valve 43 and gas in pressure release case 01 is discharged from exhaust pipe 42, when exhaust pipe 42 overflows water, i.e. pressure release case 01
The gas in the interior region has emptied, and can close air bleeding valve 43.In optional embodiment, the venthole 41 can be opened in blind plate method
The center of orchid 40.The center that certain venthole 41 can be opened in blank flange 40 is only citing, in the specific implementation, logical
Stomata 41 can be opened in any position on the end face of blank flange 40.In an alternate embodiment of the invention, blank flange 40 can be
18 " -150Lb blank flanges.Certain blank flange 40 can be that 18 " -150Lb blank flanges are only for example, in other embodiments,
Blank flange 40 can be other sizes and bear other pressure.
When all exhaust pipes overflow water, the air inside pressure release case 01 has drained, at this time can be by water inlet pipe 22 and examination
Test pump（It does not mark）It is connected, water filling in pressure release case 01 is suppressed by test pump, carries out the water pressure test, open simultaneously air bleeding valve
44, pressure gauge 45 can show hydraulic pressure pressure data in entire isolation boundary during testing, to monitor the reality of the entire water pressure test
It applies situation and determines whether the water pressure test is qualified, water inlet is closed when the pressure value that pressure gauge 35 is shown reaches relevant pressure
Valve 22, pressurize 30 minutes check whether isolation boundary leaks.
In addition, in the device installation process of the nuclear power plant voltage stabilizer pressure release case water pressure test, needing will be steady by lifting lug 90
The original part pipeline of depressor pressure release case is sling.As shown in fig. 6, the installation of lifting lug 90 is hung right over pipeline elbow at ceiling,
Corresponding 055 pipeline is raised, in order to the installation of 12 " -600Lb blank flanges 10, manpower can be so difficult to move
Pipeline raised, save manpower, improve work efficiency and safety.
By above description it is found that the advantageous effect of the utility model embodiment is：In nuclear power plant voltage stabilizer pressure release case
When the water pressure test, device more than use, on the one hand, the apparatus structure is simplified, convenient for making, installing and restore；On the one hand, have
There is good exhaust effect, difficulty of construction can be reduced using periphery exhaust, isolation boundary is reduced, reduce weld seam, reduce equipment
Damage improves working efficiency.
Above disclosures are merely preferred embodiments of the utility model, with this utility model cannot be limited certainly
Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the scope of the utility model.
Claims (9)
1. a kind of device for the nuclear power plant voltage stabilizer pressure release case water pressure test, which is characterized in that including：
First blank flange, an end face and the periphery of first blank flange are drilled with exhaust blind hole, the end face and institute
The exhaust blind hole for stating periphery communicates, and the blind hole on the periphery is connected to the downtake pipe equipped with first row air valve；
The end face of second blank flange, second blank flange is drilled with exhaust hole, and installing band is intake on the exhaust hole
The water inlet pipe of valve；
Exhaust hole is bored in the end face of third blank flange, the third blank flange, and installing is with second on the exhaust hole
The second exhaust pipe of air bleeding valve；
Exhaust hole is bored in the end face of 4th blank flange, the 4th blank flange, and installing is with third on the exhaust hole
The third exhaust pipe of air bleeding valve and pressure gauge.
2. being used for the device of the nuclear power plant voltage stabilizer pressure release case water pressure test as described in claim 1, which is characterized in that described the
One blank flange is 12 " -600Lb blank flanges, and second blank flange is 1.5 " -300Lb blank flanges, and the third is blind
Plate flange and the 4th blank flange are 18 " -150Lb blank flanges.
3. being used for the device of the nuclear power plant voltage stabilizer pressure release case water pressure test as claimed in claim 1 or 2, which is characterized in that institute
It states and bending channel is formed by the exhaust blind hole of the end face and the periphery inside blank flange, in the voltage-stablizer pressure release case
Gas the downtake pipe is discharged by the bending channel, and be discharged by the downtake pipe.
4. being used for the device of the nuclear power plant voltage stabilizer pressure release case water pressure test as claimed in claim 1 or 2, which is characterized in that into
Before the row water pressure test, the water inlet pipe is connected with external water source, for injecting test water in isolation boundary；Carry out hydraulic pressure
When experiment, the water inlet pipe is connected with external test pump, is suppressed to equipment, carries out the water pressure test.
5. the device according to claim 1 or 2 for the nuclear power plant voltage stabilizer pressure release case water pressure test, which is characterized in that
The pressure gauge is installed by gauge stand, to monitor and show the pressure of the water in the voltage-stablizer pressure release case.
6. the device according to claim 1 or 2 for the nuclear power plant voltage stabilizer pressure release case water pressure test, which is characterized in that
Before installing first blank flange, the position for installing first blank flange is provided with pipeline, is installing described the
When one blank flange, the pipeline is raised by lifting lug, to reserve the position for installing first blank flange.
7. the device according to claim 6 for the nuclear power plant voltage stabilizer pressure release case water pressure test, which is characterized in that described
Pipeline is elevated by ceiling mounted lifting lug.
8. the device according to claim 1 or 2 for the nuclear power plant voltage stabilizer pressure release case water pressure test, which is characterized in that
First blank flange, the third blank flange and the 4th blank flange are located at the upper of the voltage-stablizer pressure release case
The different location of side.
9. the device according to claim 1 or 2 for the nuclear power plant voltage stabilizer pressure release case water pressure test, which is characterized in that
Second blank flange is located at any position of the outside of the voltage-stablizer pressure release case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391787.4U CN207882080U (en) | 2017-10-26 | 2017-10-26 | A kind of device for the nuclear power plant voltage stabilizer pressure release case water pressure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721391787.4U CN207882080U (en) | 2017-10-26 | 2017-10-26 | A kind of device for the nuclear power plant voltage stabilizer pressure release case water pressure test |
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| Publication Number | Publication Date |
|---|---|
| CN207882080U true CN207882080U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721391787.4U Active CN207882080U (en) | 2017-10-26 | 2017-10-26 | A kind of device for the nuclear power plant voltage stabilizer pressure release case water pressure test |
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| CN (1) | CN207882080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935061A (en) * | 2022-04-24 | 2022-08-23 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
-
2017
- 2017-10-26 CN CN201721391787.4U patent/CN207882080U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935061A (en) * | 2022-04-24 | 2022-08-23 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
| CN114935061B (en) * | 2022-04-24 | 2023-10-31 | 广东韶钢松山股份有限公司 | Blind plate for transmission pipeline |
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