CN104330472A - Pipeline traction test device and pipeline traction test method - Google Patents
Pipeline traction test device and pipeline traction test method Download PDFInfo
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- CN104330472A CN104330472A CN201410588624.XA CN201410588624A CN104330472A CN 104330472 A CN104330472 A CN 104330472A CN 201410588624 A CN201410588624 A CN 201410588624A CN 104330472 A CN104330472 A CN 104330472A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012345 traction test Methods 0.000 title abstract 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 147
- 238000012360 testing method Methods 0.000 claims description 58
- 238000007689 inspection Methods 0.000 claims description 34
- 238000007586 pull-out test Methods 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000931705 Cicada Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a pipeline traction test device and a pipeline traction test method, wherein the pipeline traction test device comprises: the device comprises a traction test tube, a balance tube, an ultrasonic internal detector, a winch, a ball sending end water tank and a ball receiving end water tank; the two ends of the traction test tube are respectively communicated with the ball sending end water tank and the ball receiving end water tank, the two ends of the balance tube are respectively communicated with the ball sending end water tank and the ball receiving end water tank, and the balance tube is positioned above the level of the traction test tube; and a leakage-proof through hole is formed in the ball collecting end water tank at the position corresponding to the axis of the traction test tube, and a cable of the winch passes through the ball collecting end water tank and the traction test tube through the leakage-proof through hole and then reaches the ball sending end water tank.
Description
Technical field
The present invention relates to piping system technical field, particularly a kind of pipe pullout test unit and pipe pullout test method.
Background technology
Pipeline detection under pipeline normal operating condition, can detect the defect that oil and gas pipes exists, for the prevention of pipeline accident and maintenance, maintenance provide scientific basis, to ensureing that the safe operation of pipeline has vital role.In conventional leakage field, detection method cannot detect not opening or that opening is less crack-type defect, and ultrasonic inspection Pig can detect this type of crack-type defect.Pipeline corrosion ultrasonic internal detector is also more suitable for the uniform corrosion of testing pipes inside than Magnetic Flux Leakage Inspecting in addition.Therefore using ultrasound inner detection technique is to ensureing that the safety of pipeline has great importance.
The distraction test of defective pipeline is that internal detector demarcates the basic means verified with performance index.Leakage field internal detector does not need couplant, directly can carry out distraction test by tractive leakage field internal detector in pipeline.But due to the Cleaning Principle of leakage field internal detector, ultrasonic inspection Pig needs to have liquid medium between detecting device and inner-walls of duct to ensure detecting ultrasonic wave propagation.And be draw in water after traction pipe ends installs water tank in prior art.Its shortcoming is that in distraction test process, water causes rear end liquid level to reduce after being pushed into front by detecting device, is difficult to ensure being coupled of ultrasonic probe and distraction test pipe top.
Summary of the invention
Embodiments provide a kind of pipe pullout test unit and pipe pullout test method, solve pipe pullout test in prior art and be difficult to the problem ensureing that ultrasonic probe is coupled with distraction test pipe top.
First aspect, embodiments provides a kind of pipe pullout test unit, comprising: distraction test pipe, balance pipe, ultrasonic inspection Pig, windlass, service end water tank and receipts pommel water tank;
Wherein, the two ends of described distraction test pipe hold water tank to be communicated with described receipts pommel water tank with described service respectively, the two ends of described balance pipe hold water tank to be communicated with described receipts pommel water tank with described service respectively, and described balance pipe is positioned at above the level of described distraction test pipe; The axial location place of the described distraction test pipe of correspondence on the water tank of described receipts pommel has a leakproof through hole, and the hawser of described windlass holds water tank by described leakproof through hole through arriving described service after described receipts pommel water tank and described distraction test pipe.
Optionally, the bottom of described service end water tank is fixed with the first stop means, and described first stop means is limited and determines the position of detecting device pallet in described service end water tank;
The bottom of described receipts pommel water tank is fixed with the second stop means, and described second stop means is limit the position of described detecting device pallet in the water tank of described receipts pommel.
Optionally, the bottom of described service end water tank and/or described receipts pommel water tank has drain tube holes, described drain tube holes is provided with the valve controlling described drain tube holes.
Optionally, described distraction test pipe, specifically comprises:
Pipeline section to be detected, and the one section of separator tube respectively connected successively at described pipeline section two ends to be detected and one section of reducer pipe.
Second aspect, embodiments provides and a kind ofly utilizes the pipe pullout test method that in first aspect, arbitrary described pipe pullout test unit carries out, comprising:
The water yield covering described balance pipe is injected in described service end water tank and/or described receipts pommel water tank;
Described ultrasonic inspection Pig is lifted into described service end water tank;
The hawser of described windlass is connected with described ultrasonic inspection Pig;
Start described windlass and start traction, described ultrasonic inspection Pig is taken out from described receipts pommel water tank after described service end water tank arrives described receipts pommel water tank.
The technical scheme that the embodiment of the present invention provides at least has following technique effect or advantage:
Because pipe pullout test unit provided by the present invention there is also mounted balance pipe above the level of distraction test pipe, distraction test pipe is communicated with service end water tank and receives pommel water tank, balance pipe is also communicated with service end water tank and receives pommel water tank, making to form water between service end water tank and receipts pommel water tank follows bad, can make to be pushed into by ultrasonic inspection Pig the water Natural Circulation under the effect of both sides water tank water surface difference in height receiving pommel water tank and hold water tank to service, guarantee ultrasonic inspection Pig probe and tube wall good coupling, and then do not need rotation distraction test pipe repeatedly to draw, more save time, testing result is also more accurate.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the connection layout of the service end water tank in the embodiment of the present invention;
Fig. 2 is the connection layout of the receipts pommel water tank in the embodiment of the present invention;
Fig. 3 is the placement figure of ultrasonic inspection Pig before the traction in the embodiment of the present invention;
Fig. 4 is the connection layout of the distraction test pipe in the embodiment of the present invention.
Embodiment
Being difficult to solve pipe pullout test in prior art the problem ensureing that ultrasonic probe is coupled with distraction test pipe top, embodiments providing a kind of pipe pullout test unit and pipe pullout test method.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 1, Fig. 2 and Fig. 3, the pipe pullout test unit in the embodiment of the present invention comprises service end water tank 1, receives pommel water tank 2, distraction test pipe 3, balance pipe 4, ultrasonic inspection Pig 5, windlass 6.Wherein, the two ends of distraction test pipe 3 holds water tank 1 respectively and are received pommel water tank 2 and be communicated with service, and the two ends of balance pipe 4 are held water tank 1 and received pommel water tank 2 and be communicated with serving a ball respectively.Concrete, the distraction test pipe 3 after connection and the axis direction of balance pipe 4 are in horizontality.
Under a kind of embodiment, shown in figure 4, distraction test pipe 3 comprises pipeline section 301 to be detected, separator tube 302, reducer pipe 303.Pipeline section 301 to be detected is the pipeline section needing in the oil and gas pipes needing to detect to detect, and can be welded for the pipeline section of multistage oil and gas pipes.At the two ends of pipeline section 301 to be detected, respectively connection one section of separator tube 302 and one section of reducer pipe 303 form distraction test pipe 3 successively, concrete, the caliber of two separator tubes 302 is all identical with the caliber of pipeline section 301 to be detected, is welded in the two ends of pipeline section 301 to be detected respectively.Preferably, the length of separator tube 302 is greater than the length of ultrasonic inspection Pig 5, makes ultrasonic inspection Pig 5 whole ultrasonic inspection Pig 5 of energy when through separator tube 302 all in separator tube 302, improve the accuracy detected.The caliber of reducer pipe 303 one end is identical with separator tube 302, and the caliber of the other end is greater than the caliber of separator tube 302.
Concrete, the length of balance pipe 4 is identical with the length of distraction test pipe 3 or approximate identical, in specific implementation process, the caliber of balance pipe 4 can be identical with the caliber of distraction test pipe 3, or the caliber of balance pipe 4 is slightly less than the caliber of distraction test pipe 3, be pushed into the water receiving pommel water tank 2 by ultrasonic inspection Pig 5 and synchronizedly could return service end water tank 1 by balance pipe 4, with the level balance ensureing service end water tank 1 and receive in pommel water tank 2.
In one embodiment, as shown in Figure 1, the sidewall of service end water tank 1 is cut with the circular hole 101 for connecting distraction test pipe 3 one end, and the outer diameter tube of one end that diameter is larger with reducer pipe 303 aperture is identical; And the circular hole 102 be cut with for connecting balance pipe 4 one end, diameter is identical with the outer diameter tube of balance pipe 4.Circular hole 102 is above circular hole 101.Same, the sidewall receiving pommel water tank 2 is cut with the circular hole 201 for connecting distraction test pipe 3 other end, and diameter is identical with the outer diameter tube of reducer pipe 303 outer end; And the circular hole 202 be cut with for connecting balance pipe 4 other end, diameter is identical with the outer diameter tube of balance pipe 4.Circular hole 202 is above circular hole 201.Circular hole 101 is identical with the level height of circular hole 201, circular hole 102 is identical with the level height of circular hole 202, distraction test pipe 3 welds after being connected to circular hole 101 and circular hole 201, balance pipe 4 welds after being connected to circular hole 102 and circular hole 202, distraction test pipe 3 and balance pipe 4 is made to keep the level of axis direction, and then form circulation waterway with the water tank (water tank of both sides is service end water tank 1 and receipts pommel water tank 2) of both sides, ensure that ultrasonic inspection Pig 5 is coupled completely with distraction test pipe 3 top.Certainly, in specific implementation process, also distraction test pipe 3 can be communicated with by other means, the water tank of balance pipe 4 and both sides.
Shown in figure 1, the axial location place of receiving the corresponding distraction test pipe 3 on pommel water tank 2 has a leakproof through hole 203, windlass 6 is arranged at receives the side that pommel water tank 2 has leakproof through hole 203, the hawser 7 of windlass 6 is by leakproof through hole 203, enter service end water tank 1, again through receiving the circular hole 101 on pommel water tank 2 through entering distraction test pipe 3, finally arrive service end water tank 1, thus hawser 7 connects the ultrasonic inspection Pig 5 lifted in service end water tank 1 when distraction test.Concrete, hawser 7 is provided with hook 7A, for mounting ultrasonic inspection Pig 5.In specific implementation process, leakproof through hole 203, for adopting the soft encapsulant sealing of plastics, avoids the water received in pommel water tank 2 to expose.
Further, continue with reference to shown in figure 1, the bottom of service end water tank 1 is also fixed with the first stop means 103, first stop means 103 is carry out spacing stop means to the detecting device pallet 8 in service end water tank 1, to limit the position of detecting device pallet 8 in service end water tank 1, concrete, first stop means 103 is the limited block in four orientation, as shown in Figure 3, when ultrasonic inspection Pig 5 is positioned over detecting device pallet 8, and when the detecting device pallet 8 being placed with ultrasonic inspection Pig 5 is lifted in service end water tank 1, detecting device pallet 8 is stuck in the limited block in four orientation of the first stop means 103.When carrying out distraction test, ultrasonic inspection Pig 5 is positioned in detecting device pallet 8, and lifts into service end water tank 1.Shown in figure 2, the bottom of receiving pommel water tank 2 is also fixed with the second stop means 204, second stop means 204 carries out spacing stop means to the detecting device pallet (not shown) received in pommel water tank 2, the position in pommel water tank 2 is being received to limit detecting device pallet, concrete, the second stop means 204 can be the limited block in four orientation equally.Certainly, in specific implementation process, the first stop means is not limited to the mode of the limited block shown in Fig. 1, other as mounting, the modes such as magnetic force attraction are also passable, all belong to the scope of protection of the invention.The detecting device pallet (not shown) received in pommel water tank 2 can be hold the detecting device pallet 8 in water tank 1 to be same detecting device pallet with service, then in specific implementation process, detecting device pallet 8 ultrasonic inspection Pig 5 be pulled leaving service end water tank 1 after, detecting device pallet 8 is taken out from service end and lifts into receipts pommel water tank 2, is stuck in the limited block in four orientation of the second stop means 204.The detecting device pallet received in pommel water tank 2 also can lift the pallet in receipts pommel water tank 2 in advance for other, be stuck in four limited blocks of the second stop means 204.
Further, in specific implementation process, in order to the water level in adjustment water tank convenient in distraction test process and the water in release water tank.The bottom of the service end water tank 1 in the embodiment of the present invention has drain tube holes 104, same, and the bottom of receiving pommel water tank 2 can have drain tube holes 205, drain tube holes 104 and drain tube holes 205 all on by-pass valve control 9 is installed.
By above-mentioned distraction test device, when ensureing service end water tank 1 liquid level of ultrasonic inspection Pig 5 rear end in distraction procedure higher than distraction test pipe 3 upper end, because form water follow bad system by installing balance pipe 4 above distraction test pipe 3, can guarantee to carry out distraction test pipe 3 without air, can make to be pushed into by ultrasonic inspection Pig 5 the water Natural Circulation under the effect of both sides water tank water surface difference in height receiving pommel water tank 2 and hold water tank 1 to service, ensure that the probe of ultrasonic inspection Pig 5 and the coupling of tube wall, prevent the loss of water in distraction test simultaneously, can time needed for using water wisely and moisturizing for repeatedly traction.In addition, drawn by electric windlass 6, stable tractive force and haulage speed can be provided, guarantee the signal quality that ultrasonic inspection Pig 5 obtains.
Below to detect distraction test in Φ 813mm × 14mm pipe ultrasonic, to the formation explanation for example of the distraction test device in the present invention, make those skilled in the art understand technical scheme of the present invention, but be not used in restriction the present invention.
1, as shown in Figure 1, to be 813mm containing three sections of diameters to be detected of defect, length is after the developmental tube of 30m carries out assembling formation pipeline section 301 to be detected by welding, respectively welding a diameter at two ends is 813mm, wall thickness is 12.4mm, length is the separator tube 302 of 5m, respectively welds at the other end of each separator tube 302 reducer pipe 303 that a length is 0.5m and just constitute distraction test pipe 3 with reference to structure shown in figure 4.Then welding assembly forms a length is 41m, and diameter is that the pipeline section of 408mm is as balance pipe 4; Welding assembly two traction steel water tank is 6m as service end water tank 1 and receipts pommel water tank 2, two traction steel water tank length, and width is 2m, high 1.8m, and steel plate thickness is 3mm.Two traction steel water tank be connected with distraction test pipe 3, balance pipe 4, balance pipe 4 is as above distraction test pipe 3.Carry out after connection welding to make distraction test pipe 3, balance pipe 4 and two traction steel water tank form circulation path;
2, as shown in Figures 1 and 2, install bottom service end water tank 1 and bottom receipts pommel water tank 2 and form drain tube holes 104, drain tube holes 205 and the valve 9 on drain tube holes 104 and drain tube holes 205, first stop means 103 of detecting device pallet 8 is installed in service end water tank 1, is receiving the second stop means 204 installing the detecting device pallet received in pommel water tank 2 in pommel water tank 2;
3, as shown in Figure 2, in the axial location place perforate (i.e. leakproof through hole 203) of the corresponding distraction test pipe 3 of receipts pommel water tank 2, the hawser 7 driven by connection windlass 6 is pulled to service end water tank 1 by this hole, is connected with the ultrasonic inspection Pig 5 lifted in service end water tank 1.In specific implementation process, hawser 7 can use wirerope.
Based on same inventive concept, embodiments provide a kind of pipe pullout test method utilizing aforesaid pipe pullout test unit to carry out, comprise the steps:
In service end water tank 1 and/or receipts pommel water tank 2, inject the water yield covering balance pipe 4, in specific implementation process, water filling at least covers balance pipe 4 upper end.As shown in Figure 4, ultrasonic inspection Pig 5 is positioned in detecting device pallet 8, and lifts into service end water tank 1; Hawser 7 is connected with ultrasonic inspection Pig 5, slowly ultrasonic inspection Pig 5 is drawn in the separator tube 302 of distraction test pipe 3.
The haulage speed of setting windlass 6, such as, can be set as 0.3m/s, and startup windlass 6 starts traction, and ultrasonic inspection Pig 5 is taken out from receipts pommel water tank 2 after service end water tank 1 arrives receipts pommel water tank 2.
Technical scheme in the embodiment of the present invention is through test of many times, device method for making is simple, test method economical and efficient, solve the difficult problem being difficult to when pipe ultrasonic internal detector carries out distraction test be coupled, contribute to the precision and the reliability that improve pipeline integrity evaluation result, there is future in engineering applications widely.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (5)
1. a pipe pullout test unit, is characterized in that, comprising: distraction test pipe, balance pipe, ultrasonic inspection Pig, windlass, service end water tank and receipts pommel water tank;
Wherein, the two ends of described distraction test pipe hold water tank to be communicated with described receipts pommel water tank with described service respectively, the two ends of described balance pipe hold water tank to be communicated with described receipts pommel water tank with described service respectively, and described balance pipe is positioned at above the level of described distraction test pipe; The axial location place of the described distraction test pipe of correspondence on the water tank of described receipts pommel has a leakproof through hole, and the hawser of described windlass holds water tank by described leakproof through hole through arriving described service after described receipts pommel water tank and described distraction test pipe.
2. device as claimed in claim 1, is characterized in that, the bottom of described service end water tank is fixed with the first stop means, and described first stop means is limited and determines the position of detecting device pallet in described service end water tank;
The bottom of described receipts pommel water tank is fixed with the second stop means, and described second stop means is limit the position of described detecting device pallet in the water tank of described receipts pommel.
3. device as claimed in claim 1 or 2, is characterized in that, the bottom of described service end water tank and/or described receipts pommel water tank has drain tube holes, described drain tube holes is provided with the valve controlling described drain tube holes.
4. device as claimed in claim 1, it is characterized in that, described distraction test pipe, specifically comprises:
Pipeline section to be detected, and the one section of separator tube respectively connected successively at described pipeline section two ends to be detected and one section of reducer pipe.
5. the pipe pullout test method utilizing the pipe pullout test unit as described in claim arbitrary in claim 1-4 to carry out, is characterized in that, comprising:
The water yield covering described balance pipe is injected in described service end water tank and/or described receipts pommel water tank;
Described ultrasonic inspection Pig is lifted into described service end water tank;
The hawser of described windlass is connected with described ultrasonic inspection Pig;
Start described windlass and start traction, described ultrasonic inspection Pig is taken out from described receipts pommel water tank after described service end water tank arrives described receipts pommel water tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588624.XA CN104330472B (en) | 2014-10-28 | 2014-10-28 | Pipeline traction test device and pipeline traction test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588624.XA CN104330472B (en) | 2014-10-28 | 2014-10-28 | Pipeline traction test device and pipeline traction test method |
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| CN104330472A true CN104330472A (en) | 2015-02-04 |
| CN104330472B CN104330472B (en) | 2017-04-12 |
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Cited By (5)
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| CN104931649A (en) * | 2015-05-18 | 2015-09-23 | 中海石油(中国)有限公司 | Submarine pipeline land simulation test platform and test method |
| CN107300585A (en) * | 2017-07-11 | 2017-10-27 | 中石化石油工程技术服务有限公司 | A kind of Pipeline Magnetic Flux Leakage Inspection tester for testing and test method |
| CN108020255A (en) * | 2017-11-20 | 2018-05-11 | 中国特种设备检测研究院 | Detector experimental rig and the test method for detector |
| CN109737872A (en) * | 2019-01-16 | 2019-05-10 | 武汉普惠海洋光电技术有限公司 | A kind of three-dimensional coordinate calibration system of hydrophone array |
| CN110131523A (en) * | 2019-06-11 | 2019-08-16 | 智云安科技(北京)有限公司 | A kind of in-pipeline detector straight line distraction test device and distraction test method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108020255A (en) * | 2017-11-20 | 2018-05-11 | 中国特种设备检测研究院 | Detector experimental rig and the test method for detector |
| CN108020255B (en) * | 2017-11-20 | 2024-02-06 | 中国特种设备检测研究院 | Detector test device and test method for detector |
| CN109737872A (en) * | 2019-01-16 | 2019-05-10 | 武汉普惠海洋光电技术有限公司 | A kind of three-dimensional coordinate calibration system of hydrophone array |
| CN110131523A (en) * | 2019-06-11 | 2019-08-16 | 智云安科技(北京)有限公司 | A kind of in-pipeline detector straight line distraction test device and distraction test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104330472B (en) | 2017-04-12 |
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