CN105547613A - Airduct leakage detection method of drilling platform - Google Patents
Airduct leakage detection method of drilling platform Download PDFInfo
- Publication number
- CN105547613A CN105547613A CN201610007073.2A CN201610007073A CN105547613A CN 105547613 A CN105547613 A CN 105547613A CN 201610007073 A CN201610007073 A CN 201610007073A CN 105547613 A CN105547613 A CN 105547613A
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- China
- Prior art keywords
- airduct
- air output
- drilling platform
- out value
- output value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an airduct leakage detection method of a drilling platform. The method comprises the following steps: step 102, blowing a pressure gas to an airduct until pressure in the airduct is stable; step 104, measuring and compensating a pressure value at an air inlet, and according to the pressure value, correspondingly obtaining a theoretical air output value through conversion; step 106, comparing the theoretical air output value with an actual air output value at an air outlet; step 1062, if the actual air output value is smaller than the theoretical air output value, determining that the airduct is not qualified; and step 1064, if the actual air output value is equal to the theoretical air output value, determining that the airduct is qualified. The airduct leakage detection method of the drilling platform, provided by the invention, through comparing an actual air output quantity with a theoretical air output quantity according to a pressure air complementation method, whether a seam position of the airduct leaks can be determined. The method is simple to operate and short in detection time and can be applied to detection of a seam position of an airduct at any places.
Description
Technical field
The present invention relates to oil exploration equipment technology, espespecially a kind of airduct side leakage method of drilling platform.
Background technology
In oceanographic engineering semi-submersible rig building course, whether airduct leaks will produce important impact to the operation of system, therefore needs to carry out leakage test to airduct.Current leak detection method is the method with suds, namely to air blast in airduct, at the seam crossing spraying suds of per pass airduct, if any leakage, then suds can be blown afloat bubble and come.This leak detection method at substantial manpower and proving time, and space arranges that narrower and small place can't be checked.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of airduct side leakage method of drilling platform, it is simple to operate, detection time is short, and be applicable to airduct seam be in any place detection.
In order to reach the object of the invention, the invention provides a kind of airduct side leakage method of drilling platform, comprising:
Step 102, is blown into pressed gas to the pressure stability in airduct in airduct;
Step 104, the force value of metrophia compensation air inlet, and converse theoretical air-out value according to this force value correspondence;
Step 106, compares the actual air-out value of theoretical air-out value and air outlet:
Step 1062, when actual air-out value is less than theoretical air-out value, is judged to be defective;
Step 1064, when actual air-out value equals theoretical air-out value, it is qualified to be judged to be.
Alternatively, in described step 102, in airduct, be blown into pressed gas by frequency conversion booster fan.
Alternatively, in described step 102, frequency conversion booster fan is blown into the pressed gas of setting according to the pressure rating of airduct in airduct.
Compared with prior art, the airduct side leakage method of drilling platform provided by the invention, by coming actual air output and theoretical air output according to the mode filling into pressure air, judge whether airduct seam crossing leaks with this, the method is simple to operate, detection time is short, and be applicable to airduct seam be in any place detection.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical solution of the present invention, and forms a part for instructions, is used from and explains technical scheme of the present invention, do not form the restriction to technical solution of the present invention with the embodiment one of the application.
The structural representation of the device corresponding to airduct side leakage method that Fig. 1 is drilling platform of the present invention;
The process flow diagram of the airduct side leakage method that Fig. 2 is the drilling platform described in one embodiment of the invention.
Wherein, the corresponding relation in Fig. 1 between Reference numeral and component names is:
1 airduct, 2 blower fans, 3 pressure testers, 4 discharge pipe structures.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here to implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
The airduct side leakage method of the drilling platform of some embodiments of the invention is described below in conjunction with accompanying drawing.
The airduct side leakage method of drilling platform provided by the invention, as depicted in figs. 1 and 2, comprising:
Step 102, is blown into pressed gas to the pressure stability in airduct in airduct;
Step 104, the force value of metrophia compensation air inlet, and converse theoretical air-out value according to this force value correspondence;
Step 106, compares the actual air-out value of theoretical air-out value and air outlet:
Step 1062, when actual air-out value is less than theoretical air-out value, is judged to be defective;
Step 1064, when actual air-out value equals theoretical air-out value, it is qualified to be judged to be.
The airduct side leakage method of drilling platform provided by the invention, by coming actual air output and theoretical air output according to the mode filling into pressure air, judge whether airduct seam crossing leaks with this, the method is simple to operate, detection time is short, and be applicable to airduct seam be in any place detection.
Wherein, the value of theoretical air output can be calculated by mathematical method and suitably increase error range and obtain, and also can be to be obtained by modes such as the test methods of routine, all can realize the object of the application, not repeat them here.
In Fig. 1, label 1 is airduct, and label 2 is blower fan, and label 3 is pressure tester, and label 4 is discharge pipe structure.
In addition, the airduct side leakage method of drilling platform provided by the invention also can have following additional technical characteristic:
Preferably, in described step 102, in airduct, be blown into pressed gas by frequency conversion booster fan.
Wherein, in described step 102, frequency conversion booster fan is blown into the pressed gas of setting according to the pressure rating of airduct in airduct, to meet normal testing requirement, ensures that test is normally carried out.
The airduct side leakage method of drilling platform provided by the invention, time saving and energy saving, broad covered area, and be applicable to the airduct leak check in all places on platform, measurement result is objective, the quality measured all is shown by instrument, measurement result can realize the record (whether converge leakage) of matter and the record (leakage rate is how many) of amount, and survey record retrospective is strong.
Compared with prior art, the airduct side leakage method of drilling platform provided by the invention, by coming actual air output and theoretical air output according to the mode filling into pressure air, judge whether airduct seam crossing leaks with this, the method is simple to operate, detection time is short, and be applicable to airduct seam be in any place detection.
In describing the invention, term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this instructions, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content only adopts for ease of understanding the present invention, and be not used to limit the present invention.Those of skill in the art belonging to any the present invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be carried out in the form implemented and details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (3)
1. an airduct side leakage method for drilling platform, is characterized in that, comprising:
Step 102, is blown into pressed gas to the pressure stability in airduct in airduct;
Step 104, the force value of metrophia compensation air inlet, and converse theoretical air-out value according to this force value correspondence;
Step 106, compares the actual air-out value of theoretical air-out value and air outlet:
Step 1062, when actual air-out value is less than theoretical air-out value, is judged to be defective;
Step 1064, when actual air-out value equals theoretical air-out value, it is qualified to be judged to be.
2. the airduct side leakage method of drilling platform according to claim 1, is characterized in that, in described step 102, is blown into pressed gas by frequency conversion booster fan in airduct.
3. the airduct side leakage method of drilling platform according to claim 2, is characterized in that, in described step 102, frequency conversion booster fan is blown into the pressed gas of setting according to the pressure rating of airduct in airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007073.2A CN105547613A (en) | 2016-01-05 | 2016-01-05 | Airduct leakage detection method of drilling platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007073.2A CN105547613A (en) | 2016-01-05 | 2016-01-05 | Airduct leakage detection method of drilling platform |
Publications (1)
| Publication Number | Publication Date |
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| CN105547613A true CN105547613A (en) | 2016-05-04 |
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| CN201610007073.2A Pending CN105547613A (en) | 2016-01-05 | 2016-01-05 | Airduct leakage detection method of drilling platform |
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| CN (1) | CN105547613A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760169A (en) * | 2018-08-10 | 2018-11-06 | 黄云鹏 | A kind of Internet of Things valve well CH_4 detection device |
| CN110243557A (en) * | 2019-06-14 | 2019-09-17 | 国家能源投资集团有限责任公司 | Pipe detection system, boiler components and method for detecting pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760169A (en) * | 2018-08-10 | 2018-11-06 | 黄云鹏 | A kind of Internet of Things valve well CH_4 detection device |
| CN110243557A (en) * | 2019-06-14 | 2019-09-17 | 国家能源投资集团有限责任公司 | Pipe detection system, boiler components and method for detecting pipeline |
| CN110243557B (en) * | 2019-06-14 | 2021-11-19 | 国家能源投资集团有限责任公司 | Pipeline detection system, boiler assembly and pipeline detection method |
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Application publication date: 20160504 |
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