CN206378257U - A kind of valve pressure testing device - Google Patents
A kind of valve pressure testing device Download PDFInfo
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- CN206378257U CN206378257U CN201621461673.8U CN201621461673U CN206378257U CN 206378257 U CN206378257 U CN 206378257U CN 201621461673 U CN201621461673 U CN 201621461673U CN 206378257 U CN206378257 U CN 206378257U
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- valve
- pressure testing
- pressure
- booster pump
- pipe
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Abstract
The utility model discloses a kind of valve pressure testing device, belong to value pressure test technical field.Described device includes：Feed tank (1), the feed flow pipeline (2) and reflux pipeline (3) connected with the feed tank (1)；The booster pump (4) that is connected with the feed flow pipeline (2), the pressure testing component that is connected with valve is connected to the booster pump (4)；The pressure testing component includes the pressure gauge (501) for being used to observe pressure value；The pressure testing component is connected by control valve (6) with the booster pump (4)；The pressure testing component is connected by return valve (7) with the reflux pipeline (3).The utility model carries out pressure testing by using single valve pressure testing device, rather than in production procedure, does not influence being normally carried out for production.
Description
Technical field
The utility model is related to value pressure test technical field, more particularly to a kind of valve pressure testing device.
Background technology
The valve connected mode that oil field is used is generally flange or clamp connection, and damage occurs in valve in use,
Need the valve that more renews or valve is repaired.Wherein, the valve after reparation needs 1.25 times by name-plate pressure
Pressure testing simultaneously voltage stabilizing 5 minutes are carried out, to examine whether the sealing of the valve after repairing reaches requirement.
At present, value pressure test typically directly carries out value pressure test in production procedure, and valve is arranged on into production first flows
In the pipeline of journey, then increase pressure to reach pressure testing requirement, if valve reaches pressure testing requirement, reduction pressure is to normal
Pressure is produced, if valve is not up to pressure testing requirement, needs to dismantle on valve, production procedure is installed on again after repairing again
Value pressure test is re-started in pipeline.
During the utility model is realized, designer has found that prior art at least has problems with：
Value pressure test directly carries out pressure testing in production procedure, and the increase of pressure can bring certain influence to production, and
And pressure test pressure control is difficult, it is difficult to reach the requirement of voltage stabling control, meanwhile, pressure testing needs to install, dismantled in production procedure
Valve, adds staff labor intensity.
Utility model content
In order to solve the above mentioned problem of prior art, the utility model embodiment provides a kind of valve pressure testing device, skill
Art scheme is as follows：
The utility model embodiment provides a kind of valve pressure testing device, and described device includes：Feed tank and the feed tank
The feed flow pipeline and reflux pipeline of connection；
The booster pump that is connected with the feed flow pipeline, the pressure testing component that is connected with valve is connected to the booster pump；
The pressure testing component includes the pressure gauge for being used to observe pressure value；
The pressure testing component is connected by control valve with the booster pump；
The pressure testing component is connected by return valve with the reflux pipeline.
Specifically, the pressure testing component also includes：The pressure testing pipe that is connected with the control valve, it is connected with the pressure testing pipe
Atmospheric valve and Valve joint.
Specifically, the pressure gauge and the return valve are connected with the pressure testing pipe.
Specifically, the pressure testing component, the return valve, the quantity of the control valve are 2.
Specifically, two pressure testing components constitute connection side in parallel between booster pump and feed tank
Formula.
Specifically, Valve joint described in the pressure testing component is a flanged valve joint and a clamping hoop type valve
Joint.
Specifically, the pressure testing pipe is connected by pressure testing pipe box cupling and reducing joint with the flanged valve joint.
Preferably, the pressure testing pipe is pressure pipe.
Specifically, the inlet of the booster pump is connected by the feed flow pipeline with feed tank, and the booster pump goes out
Liquid mouthful is connected by the control valve with the pressure testing component.
Preferably, the feed tank is conical tank body.
The beneficial effect brought of technical scheme that the utility model embodiment is provided is：
It will be exported, pressure testing component and valve be attached, and make this after the liquid supercharging in feed tank by booster pump
Valve is closed, because the pressure testing component is connected by control valve with the booster pump, when opening control valve, is led to
The highly pressurised liquid for crossing booster pump output enters pressure testing component, and highly pressurised liquid is rested in pressure testing component, and its pressure is maintained at default
Value, after the time of voltage stabilizing required for waiting value pressure test, observes whether the pressure value in pressure testing component changes by pressure gauge,
Realize the pressure testing to valve.And the utility model uses single valve pressure testing device, rather than is carried out in production procedure
Pressure testing, does not influence being normally carried out for production.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the valve pressure testing device structural representation that the utility model embodiment is provided.
Wherein, accompanying drawing is denoted as：
1st, feed tank；2nd, feed flow pipeline；3rd, reflux pipeline；4th, booster pump；6th, control valve；7th, return valve；
501st, pressure gauge；502nd, pressure testing pipe；503rd, atmospheric valve；504th, Valve joint；504a, flanged valve joint；
504b, clamping hoop type Valve joint；505th, pressure testing pipe box cupling；506th, reducing joint；
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
The utility model provides a kind of valve pressure testing device, and referring to Fig. 1, described device includes：Feed tank 1 and the confession
Feed flow pipeline 2 and reflux pipeline 3 that flow container 1 is connected；
The booster pump 4 that is connected with the feed flow pipeline 2, the pressure testing group that is connected with valve is connected to the booster pump 4
Part；
The pressure testing component includes the pressure gauge 501 for being used to observe pressure value；
The pressure testing component is connected by control valve 6 with the booster pump 4；
The pressure testing component is connected by return valve 7 with the reflux pipeline 3.
The utility model embodiment will be exported using booster pump 4 after the liquid supercharging in feed tank 1, by pressure testing component with needing
The valve for carrying out pressure testing is attached, such as by the 504a shown in Fig. 1 or 504b with needing the valve of progress pressure testing to enter
Row connection, and the valve is closed, because the pressure testing component is connected by control valve 6 with the booster pump 4, when
When opening control valve 6, the highly pressurised liquid exported by booster pump 4 enters pressure testing component, at the valve due to needing to carry out pressure testing
In closed mode, highly pressurised liquid will not be flowed out by the valve, and be rested in pressure testing component, simultaneously because pressure testing component passes through
Return valve 7 is connected with the reflux pipeline 3, and return valve 7 is closed, and pressure of the highly pressurised liquid in pressure testing component is maintained at default
Value, after the time of voltage stabilizing required for waiting value pressure test, observes whether the pressure value in pressure testing component becomes by pressure gauge 501
Change, if pressure value changes, illustrate that valve tightness is not reaching to requirement, if pressure value does not change, illustrate valve
Door sealing reaches requirement, finally opens return valve 7, releases the pressure in pressure testing component, is passed to reflux pipeline 3 and flows back
Into feed tank 1, the pressure testing to valve is realized.And the utility model is using single valve pressure testing device first to needing to carry out
The valve of pressure testing carries out pressure testing, if the valve tightness has reached requirement, the qualified valve of pressure testing is installed into production procedure
In pipeline on, if the valve tightness is not reaching to requirement, can not be installed in production procedure, it is necessary to again to this
Valve is repaired.Rather than valve is directly installed in production procedure to carry out pressure testing, being normally carried out for production is not influenceed.
Specifically, with continued reference to Fig. 1, the pressure testing component also includes：The pressure testing pipe 502 that is connected with the control valve 6, with
Atmospheric valve 503 and Valve joint 504 that the pressure testing pipe 502 is connected.Also, above-mentioned pressure gauge 501 and above-mentioned return valve 7 are equal
It is connected with pressure testing pipe 502.Because the feed flow pipeline 2 connected with feed tank 1 is the less Steel Tube Special of diameter, it ordinarily be about
15mm, and the diameter valve that oilfield is used is larger, the diameter valve of usual flange form connection is about 200mm, clamp connection
The diameter valve of formula is more than 50mm, although various models or the valve size of producer are inconsistent, but its diameter and feed flow pipeline 2
Diameter compared to then much larger, there is potential safety hazard if being directly connected feed flow pipeline 2 with valve, therefore set in pressure testing component
Pressure testing pipe 502 is put, the diameter of the pressure testing pipe 502 is bigger than the diameter of feed flow pipeline 2, as a kind of preferred scheme, could be arranged to
65mm, it is ensured that the safety of workmen, the output end of booster pump 4 passes through the high pressure line consistent with the specification of feed flow pipeline 2
It is connected with control valve 6, the pressure testing pipe 502 is connected by screw thread with high pressure line.In addition, using atmospheric valve 503 and pressure testing pipe 502
Connection, before the complete valve of pressure testing is removed, first passes through the pressure in the releasing pressure testing of return valve 7 pipe 502, in order to ensure safety,
Then the pressure in pressure testing pipe 502 is vented completely by atmospheric valve 503, finally again the complete valve of pressure testing is removed.
In embodiment described above, the valve often used in oilfield has two kinds, the valve of flange form connection and
The valve of clamp connection type, for the pressure testing demand of two kinds of different valves of the person of satisfaction, the pressure testing component, the return valve 7,
The quantity of the control valve 6 is 2.
Referring to Fig. 1, two pressure testing components constitute connection side in parallel between booster pump 4 and feed tank 1
Formula, when pressure testing component is two, the pressure testing pipe 502 in the two pressure testing components passes through control valve 6 and the phase of booster pump 4
Connect, and the pressure testing pipe 502 in the two pressure testing components is similarly connected by return valve 7 with reflux pipeline 3, is pressurized
Pump 4 can be for two pressure testing component superchargings, and the liquid flowed back during two pressure testing module cancels pressure can be back to feed flow
In tank 1.
As described above, set during two pressure testing components to meet the valve of two kinds of different connected modes, the pressure testing
Valve joint 504 described in component is an a flanged valve joint 504a and clamping hoop type Valve joint 504b.For card
The pressure testing pipe 502 bound round in the valve of interconnection system, pressure testing component directly can be connected with clamping hoop type Valve joint 504b, straight when using
Connect and be connected the valve of clamp connection type with clamping hoop type Valve joint 504b, and for the valve that flange form is connected, need
The pressure testing pipe 502 is connected by pressure testing pipe box cupling 505 and the reducing joint 506 and flanged valve joint 504a
Connect, for coordinating flange form Valve joint 504a, the valve for then again connecting flange form and the flanged valve joint
504a connections, then carry out pressure testing operation.Wherein pressure testing pipe 502, pressure testing pipe box cupling 505, reducing joint 506 and flanged valve connect
Connection between head 504a can be connected through a screw thread, for example, the two ends of pressure testing pipe 502 carry external screw thread, pressure testing pipe box cupling 505
Two ends carry internal thread, and one end of pressure testing pipe 502 can be connected with one end of pressure testing pipe box cupling 505, remaining part connected mode
It is identical.
The utility model to valve carry out pressure testing idiographic flow be：Return valve 7 is first opened, control valve 6 is opened, closing is put
Empty valve 503, starts booster pump 4, then slowly closing return valve 7, observes the pressure value of pressure gauge 501 to default pressure test pressure
When, whether closing control valve 6, voltage stabilizing to stipulated time, the pressure value of observation pressure gauge 501 changes, if pressure value becomes
Change, illustrate that valve tightness is not reaching to requirement, if pressure value does not change, illustrate that valve tightness reaches and want
Ask, it is then slow to open return valve 7, when it is 0 that pressure gauge 501, which shows pressure value, stops booster pump 4, open atmospheric valve 503,
Finally valve is dismantled.
By using the form of two pressure testing components, its different Valve joint 504 can meet different connected modes
Valve, can be with and it is possible to the valve pressure testing device provided by the utility model is come while carry out the pressure testing of two valves
The valve of one clamp connection type is connected with clamping hoop type Valve joint 504b, then the valve and method that a flange form is connected
Blue formula Valve joint 504a connections, if the two pressure test pressures needed for needing the valve of pressure testing are inconsistent, select first to try
Low pressure valve, when carrying out pressure testing to low pressure valve, it is necessary to close the control for the high pressure valve being connected with the low pressure valve
Valve 6 and return valve 7, similarly, when carrying out pressure testing to high pressure valve, it is necessary to close the high pressure being connected with the high pressure valve
The control valve 6 and return valve 7 of valve, selection first try the consideration that low pressure valve is in order at safety factor, and generally high pressure valve is entered
Pressure needed for row pressure testing is 10 times or so of pressure needed for carrying out pressure testing to low pressure valve, if first carrying out pressure testing to high pressure valve,
The pressure in whole liquid communication loop is higher, is difficult to control, if when whole liquid communication loop is also maintained at higher level pair
Low pressure valve carries out pressure testing, once open the control valve 6 being connected with low pressure valve, it is possible to occur that low pressure valve can not be held
Pressure in liquid body flow cycle, and damage low pressure valve.
Pressure testing requirement to high pressure valve can be 25Mpa, therefore it is required that the pressure testing pipe 502 is high pressure resistant pipe, Bu Hui
Damaged during pressure testing.
In addition, as shown in figure 1, the inlet of the booster pump 4 is connected by the feed flow pipeline 2 with feed tank 1, it is described
The liquid outlet of booster pump 4 is connected by the control valve 6 with the pressure testing component.Preferably, the feed tank 1 is conical tank
Body.
Above-mentioned all optional technical schemes, can form the alternative embodiment of the disclosure, herein no longer using any combination
Repeat one by one.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (9)
1. a kind of valve pressure testing device, it is characterised in that described device includes：Feed tank (1), connect with the feed tank (1)
Feed flow pipeline (2) and reflux pipeline (3)；
The booster pump (4) that is connected with the feed flow pipeline (2), the pressure testing that is connected with valve is connected to the booster pump (4)
Component；
The pressure testing component includes the pressure gauge (501) for being used to observe pressure value；
The pressure testing component is connected by control valve (6) with the booster pump (4)；
The pressure testing component is connected by return valve (7) with the reflux pipeline (3).
2. device according to claim 1, it is characterised in that the pressure testing component also includes：With the control valve (6) even
The pressure testing pipe (502) connect, the atmospheric valve (503) and Valve joint (504) that are connected with the pressure testing pipe (502).
3. device according to claim 2, it is characterised in that the pressure gauge (501) and the return valve (7) with
The pressure testing pipe (502) is connected.
4. device according to claim 3, it is characterised in that the pressure testing component, the return valve (7), the control
The quantity of valve (6) is 2.
5. device according to claim 4, it is characterised in that two pressure testing components and booster pump (4) and feed flow
The connected mode for constituting parallel connection between tank (1).
6. device according to claim 5, it is characterised in that Valve joint (504) described in the pressure testing component is one
Individual flanged valve joint (504a) and a clamping hoop type Valve joint (504b).
7. device according to claim 6, it is characterised in that the pressure testing pipe (502) by pressure testing pipe box cupling (505) with
And reducing joint (506) is connected with the flanged valve joint (504a).
8. device according to claim 7, it is characterised in that the pressure testing pipe (502) is pressure pipe.
9. device according to claim 1, it is characterised in that the inlet of the booster pump (4) passes through the feed pipe
Line (2) is connected with feed tank (1), and the liquid outlet of the booster pump (4) is connected by the control valve (6) and the pressure testing component
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461673.8U CN206378257U (en) | 2016-12-29 | 2016-12-29 | A kind of valve pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461673.8U CN206378257U (en) | 2016-12-29 | 2016-12-29 | A kind of valve pressure testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206378257U true CN206378257U (en) | 2017-08-04 |
Family
ID=59408899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621461673.8U Active CN206378257U (en) | 2016-12-29 | 2016-12-29 | A kind of valve pressure testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206378257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116839818A (en) * | 2023-07-26 | 2023-10-03 | 吉林梦溪工程管理有限公司 | Pressure test monitoring system based on valve pressure test station |
-
2016
- 2016-12-29 CN CN201621461673.8U patent/CN206378257U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116839818A (en) * | 2023-07-26 | 2023-10-03 | 吉林梦溪工程管理有限公司 | Pressure test monitoring system based on valve pressure test station |
| CN116839818B (en) * | 2023-07-26 | 2024-03-05 | 吉林梦溪工程管理有限公司 | Pressure test monitoring system based on valve pressure test station |
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