CN103592094A - Experimental device for flow-induced vibration of tube bundle - Google Patents
Experimental device for flow-induced vibration of tube bundle Download PDFInfo
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- CN103592094A CN103592094A CN201310600392.0A CN201310600392A CN103592094A CN 103592094 A CN103592094 A CN 103592094A CN 201310600392 A CN201310600392 A CN 201310600392A CN 103592094 A CN103592094 A CN 103592094A
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Abstract
The invention provides an experimental device for flow-induced vibration of a tube bundle. The experimental device for flow-induced vibration of the tube bundle comprises a shell-shaped flow-induced vibration experimental device. The tube bundle supported by a supporting plate is arranged in the flow-induced vibration experimental device. The two ends of the flow-induced vibration experimental device are flanges. An acceleration sensor is arranged in the flow-induced vibration experimental device. The upper portion of the flow-induced vibration experimental device is connected with a water pump through a pipeline which is provided with a pressure gauge, a flow meter and a first valve in sequence. The water pump is further connected with a water tank through a pipeline provided with a second valve. The water tank is connected with the bottom of the flow-induced vibration experimental device through a pipeline provided with a third valve. The portion, between the water tank and the third valve, of the pipeline and the portion, between the flow meter and the first valve, of the pipeline are connected with each other through a pipeline provided with a fourth valve. The experimental device for flow-induced vibration of the tube bundle is really effective.
Description
Technical field
The present invention relates to a kind of stream and cause tube bundle vibration mechanical analysis device technique field, be specifically related to a kind of stream and cause tube bundle vibration experimental provision.
Background technology
Fluid causes the disaster accident that tube bundle vibration causes to happen occasionally.In the such industry of ocean platform, nuclear power station, petroleum and petrochemical industry, ocean under fluid effect, may induce tube bundle vibration excessive from formula well group marine riser, heat exchanger tube, causes between tube bank and collides, thereby cause tube bank to be lost efficacy.From the sixties in last century so far, it is one of tube bank design most active fundamental research field that stream causes tube bundle vibration mechanical analysis always.The object of this experimental provision design is the generating process that analog stream causes tube bundle vibration, detects and analyze the data of vibration, for experiment basis is carried out in theoretical research.
Summary of the invention
Object of the present invention provides a kind of stream to cause tube bundle vibration experimental provision, the stream that comprises housing shape causes vibration testing device, described stream causes vibration testing device inside with the tube bank of being supported by back up pad, the two ends that stream causes vibration testing device are ring flange, the inside that stream causes vibration testing device is provided with acceleration transducer, stream causes the top of vibration testing device to be passed through in turn with tensimeter, the pipeline of flowmeter and the first valve is connected with water pump, water pump is also connected with water tank by the pipeline with the second valve, the bottom that water tank causes vibration testing device by the pipeline cocurrent flow with the 3rd valve is connected, the pipeline that pipeline between water tank and the 3rd valve is crossed with the 4th valve with the device for cleaning pipeline between flowmeter and the first valve is connected.Really realize a kind of effective stream and caused tube bundle vibration experimental provision.
In order to overcome deficiency of the prior art, the invention provides the solution that a kind of stream causes tube bundle vibration experimental provision, specific as follows:
A kind of stream causes tube bundle vibration experimental provision, the stream that comprises housing shape causes vibration testing device 1, described stream causes vibration testing device 1 inside with the tube bank of being supported by back up pad, the two ends that stream causes vibration testing device 1 are ring flange 101, stream causes vibration testing device 1 inside and is provided with acceleration transducer 7, stream causes the top of vibration testing device 1 to be passed through in turn with tensimeter 2, the pipeline of flowmeter 3 and the first valve B is connected with water pump 5, water pump 5 is also connected with water tank 6 by the pipeline with the second valve A, the bottom that water tank 6 causes vibration testing device 1 by the pipeline cocurrent flow with the 3rd valve D is connected, the pipeline that pipeline between water tank 6 and the 3rd valve D is crossed with the 4th valve C with the device for cleaning pipeline between flowmeter 3 and the first valve B is connected.
Described water pump 5 is 2ZDK-20 self priming centrifugal pump, described acceleration transducer 7 is YD21 acceleration transducer, described tensimeter 2 is YTZ-150 tensimeter, described flowmeter 3 is EMF5000 electromagnetic flowmeter, and the first described valve B, the second valve A, the 3rd valve D and the 4th valve C are ball valve.
The junction of the top that stream causes vibration testing device 1 by being connected with water pump 5 with the pipeline of tensimeter 2, flowmeter 3 and the first valve B in turn, junction that water pump 5 is connected with water tank 6 by the pipeline with the second valve A,, water tank 6 causes by the pipeline cocurrent flow with the 3rd valve D junction that the bottom of vibration testing device 1 is connected and with the pipeline between water tank 6 and the 3rd valve D, with the device for cleaning pipeline between flowmeter 3 and the first valve B, crosses the junction that the pipeline with the 4th valve C is connected and all adopt flexible pipe to connect 200 structure.
Described ring flange 101 can complete the experiment of four kinds of flow angle with back up pad, the experiment of four kinds of flow angle is respectively ring flange 101 with the degree flow angle of 30 under back up pad rounded projections arranged and 60 degree flow angle, and ring flange 101 is with the degree flow angle of 45 under back up pad quadrangular array and 90 degree flow angle.
The present invention compared with prior art also has efficient, accurate, flexible and safe beneficial effect, and the coherent running of this invention everything set for 3 seconds once in addition, surpassed manual operation production capacity 40%--50%, stops the industrial injury accident that disables.Automatically controlled aspect adopts servo-drive system to make the quickening of machine operation speed, power saving, reaches energy-conserving and environment-protective effect.The design proposal of flip-flop movement mechanism, actuating station rotational motion mechanism and vertical movement mechanism particularly, makes client in original manufacture, save investment in machinery, mould is invested more than 40%.
Accompanying drawing explanation
Fig. 1 is the experimental system figure that stream of the present invention causes tube bundle vibration experimental provision.
Fig. 2 is the structural representation that stream of the present invention causes tube bundle vibration experimental provision.
Fig. 3 is the theoretical block diagram of conceptual design that stream of the present invention causes tube bundle vibration experimental provision.
Fig. 4 is that ring flange of the present invention is with the degree flow angle of 30 under back up pad rounded projections arranged and 60 degree flow angle structural representations, Fig. 4 (a) is that ring flange is spent flow angle structural representation with 30 under back up pad rounded projections arranged, and Fig. 4 (b) is that ring flange is with the degree of 60 under back up pad rounded projections arranged flow angle structural representation.
Fig. 5 is that ring flange of the present invention is with the degree flow angle of 90 under back up pad quadrangular array and 45 degree flow angle structural representations, Fig. 5 (a) is that ring flange is spent flow angle structural representation with 90 under back up pad quadrangular array, and Fig. 5 (b) is that ring flange is with the degree of 45 under back up pad quadrangular array flow angle structural representation.
Embodiment
Below in conjunction with accompanying drawing, summary of the invention is described further:
Shown in Fig. 1-Fig. 2, the stream that comprises housing shape causes vibration testing device 1, described stream causes vibration testing device 1 inside with the tube bank of being supported by back up pad, the two ends that stream causes vibration testing device 1 are ring flange 101, the inside that stream causes vibration testing device 1 is provided with acceleration transducer 7, stream causes the top of vibration testing device 1 to be passed through in turn with tensimeter 2, the pipeline of flowmeter 3 and the first valve B is connected with water pump 5, water pump 5 is also connected with water tank 6 by the pipeline with the second valve A, the bottom that water tank 6 causes vibration testing device 1 by the pipeline cocurrent flow with the 3rd valve D is connected, the pipeline that pipeline between water tank 6 and the 3rd valve D is crossed with the 4th valve C with the device for cleaning pipeline between flowmeter 3 and the first valve B is connected.Described water pump 5 is 2ZDK-20 self priming centrifugal pump, described acceleration transducer 7 is YD21 acceleration transducer, described tensimeter 2 is YTZ-150 tensimeter, described flowmeter 3 is EMF5000 electromagnetic flowmeter, and the first described valve B, the second valve A, the 3rd valve D and the 4th valve C are ball valve.The junction of the top that stream causes vibration testing device 1 by being connected with water pump 5 with the pipeline of tensimeter 2, flowmeter 3 and the first valve B in turn, junction that water pump 5 is connected with water tank 6 by the pipeline with the second valve A,, water tank 6 causes by the pipeline cocurrent flow with the 3rd valve D junction that the bottom of vibration testing device 1 is connected and with the pipeline between water tank 6 and the 3rd valve D, with the device for cleaning pipeline between flowmeter 3 and the first valve B, crosses the junction that the pipeline with the 4th valve C is connected and all adopt flexible pipe to connect 200 structure.Described ring flange 101 can complete the experiment of four kinds of flow angle with back up pad, the experiment of four kinds of flow angle is respectively ring flange 101 with the degree flow angle of 30 under back up pad rounded projections arranged and 60 degree flow angle, and ring flange 101 is with the degree flow angle of 45 under back up pad quadrangular array and 90 degree flow angle.
Principle of work of the present invention is shown in Fig. 1 arrow, first will in water tank 6, fill with water, start afterwards water pump 5 and open the first valve B, close the 3rd valve D, allow the stream of housing shape cause in vibration testing device 1 first long-pending full water, afterwards, regulate the 4th valve C of the 3rd valve D and distribution pipeline, make fluid in the stream of housing shape causes vibration testing device 1, affect tube bank, when flow velocity reaches certain limit, will cause tube bank resonance, now, the data of vibrating by the sensor record of installing in the middle of tube bank.In a whole set of experimental system, the amount of input has tube bank (comprising material, size, arrangement mode, lay ratio) and flow velocity, the state that the amount of output is tube bundle vibration (comprising speed, displacement, the acceleration of restraining key point) as shown in Figure 3.
In experimentation, requiring has several amounts to change in addition.1. by back up pad, regulate the effective length of tube bank; 2. by the position of rotating end cap, adjust the flow angle of tube bank; 3. size constancy, changes the tube bank of different materials; 4. by replacing, restrain the external diameter of sealing gasket and back up pad adjusting tube bank; 5. tube bank external diameter remains unchanged, and by replacing, is restrained and is regulated tube bank wall thickness; In this cover experimental provision, what first will realize variation is 1. effective lengths, 2. flow angle, 3. material.Its dependent variable designs after experiment finishes if needed again.Concrete operation method is as follows like this:
1) tube bank is supported by back up pad in housing, by regulating two adjustable fluids of the distance between back up pad to act on the effective length in tube bank.
2) structure principle chart of housing upper flange plate as shown in Figure 4 and Figure 5.This structure can realize the experiment that two groups of end caps and back up pad complete four kinds of flow angle (the minimum angle of flow velocity direction and the adjacent tubes bundle line of centres), can save experimentation cost, simplifies experimentation.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, according to technical spirit of the present invention, within the spirit and principles in the present invention, the any simple modification that above embodiment is done, be equal to replacement and improvement etc., within all still belonging to the protection domain of technical solution of the present invention.
Claims (4)
1. a stream causes tube bundle vibration experimental provision, it is characterized in that the stream that comprises housing shape causes vibration testing device (1), it is inner with the tube bank of being supported by back up pad that described stream causes vibration testing device (1), the two ends that stream causes vibration testing device (1) are ring flange (101), the inside that stream causes vibration testing device (1) is provided with acceleration transducer (7), stream causes the top of vibration testing device (1) to be passed through in turn with tensimeter (2), the same water pump of pipeline (5) of flowmeter (3) and the first valve (B) is connected, water pump (5) is also connected by the same water tank of pipeline (6) with the second valve (A), the bottom that water tank (6) causes vibration testing device (1) by the pipeline cocurrent flow with the 3rd valve (D) is connected, the pipeline that the same flowmeter of pipeline (3) between water tank (6) and the 3rd valve (D) and the device for cleaning pipeline between the first valve (B) are crossed with the 4th valve (C) is connected.
2. stream according to claim 1 causes tube bundle vibration experimental provision, it is characterized in that described water pump (5) is 2ZDK-20 self priming centrifugal pump, described acceleration transducer (7) is YD21 acceleration transducer, described tensimeter (2) is YTZ-150 tensimeter, described flowmeter (3) is EMF5000 electromagnetic flowmeter, and described the first valve (B), the second valve (A), the 3rd valve (D) and the 4th valve (C) are ball valve.
3. according to claim 1 or stream claimed in claim 2, cause tube bundle vibration experimental provision, it is characterized in that top that stream causes vibration testing device (1) is by turn with tensimeter (2), the junction that the same water pump of pipeline (5) of flowmeter (3) and the first valve (B) is connected, the junction that water pump (5) is connected by the same water tank of pipeline (6) with the second valve (A), water tank (6) causes the same water tank in junction (6) that the bottom of vibration testing device (1) is connected and the same flowmeter of pipeline (3) between the 3rd valve (D) and the device for cleaning pipeline between the first valve (B) by the pipeline cocurrent flow with the 3rd valve (D) and crosses the junction that the pipeline with the 4th valve (C) is connected and all adopt flexible pipe to connect the structure of (200).
4. according to claim 1 or stream claimed in claim 2, cause tube bundle vibration experimental provision, it is characterized in that described ring flange (101) can complete the experiment of four kinds of flow angle with back up pad, the experiment of four kinds of flow angle is respectively ring flange (101) with the degree flow angle of 30 under back up pad rounded projections arranged and 60 degree flow angle, and ring flange (101) is with the degree flow angle of 45 under back up pad quadrangular array and 90 degree flow angle.
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| CN201310600392.0A CN103592094B (en) | 2013-11-25 | 2013-11-25 | Experimental method for flow-induced vibration of tube bundle |
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| CN201310600392.0A CN103592094B (en) | 2013-11-25 | 2013-11-25 | Experimental method for flow-induced vibration of tube bundle |
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| CN103592094B CN103592094B (en) | 2017-05-24 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180967A (en) * | 2013-05-28 | 2014-12-03 | 中国原子能科学研究院 | Outside-reactor experimental section for component |
| CN105651486A (en) * | 2016-03-18 | 2016-06-08 | 浙江大学 | Flow-induced heat exchanger tube bundle vibration testing system |
| CN107631848A (en) * | 2017-09-26 | 2018-01-26 | 上海核工程研究设计院有限公司 | A kind of steam generator heat-transfer pipe line causes vibration testing device |
| CN107664567A (en) * | 2017-09-26 | 2018-02-06 | 上海核工程研究设计院有限公司 | A kind of heating surface bank Flow vibration tests acceleration transducer fixing device |
| CN107941457A (en) * | 2017-11-24 | 2018-04-20 | 西南石油大学 | A kind of tube bundle flow consolidates Coupled Dynamics vibration testing device and method |
| CN109282975A (en) * | 2018-08-16 | 2019-01-29 | 东北石油大学 | A kind of induction tubing string vibration of two phase flow and axial force transmission simulation system |
| CN109632230A (en) * | 2019-02-18 | 2019-04-16 | 哈尔滨工程大学 | A kind of low resistance based on electronics spring is than Flow vibration experimental provision |
| CN113375900A (en) * | 2021-05-14 | 2021-09-10 | 东方电气集团科学技术研究院有限公司 | Method for testing amplitude and frequency response of flow-induced vibration of tube bundle structure |
| CN113390607A (en) * | 2021-05-14 | 2021-09-14 | 东方电气集团科学技术研究院有限公司 | Non-contact displacement testing method for flow-induced vibration of tube bundle structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180967A (en) * | 2013-05-28 | 2014-12-03 | 中国原子能科学研究院 | Outside-reactor experimental section for component |
| CN105651486A (en) * | 2016-03-18 | 2016-06-08 | 浙江大学 | Flow-induced heat exchanger tube bundle vibration testing system |
| CN107664567B (en) * | 2017-09-26 | 2021-02-09 | 上海核工程研究设计院有限公司 | Fixing device for acceleration sensor in beam-induced vibration test of heat transfer pipe |
| CN107631848A (en) * | 2017-09-26 | 2018-01-26 | 上海核工程研究设计院有限公司 | A kind of steam generator heat-transfer pipe line causes vibration testing device |
| CN107664567A (en) * | 2017-09-26 | 2018-02-06 | 上海核工程研究设计院有限公司 | A kind of heating surface bank Flow vibration tests acceleration transducer fixing device |
| CN107941457A (en) * | 2017-11-24 | 2018-04-20 | 西南石油大学 | A kind of tube bundle flow consolidates Coupled Dynamics vibration testing device and method |
| CN107941457B (en) * | 2017-11-24 | 2019-05-10 | 西南石油大学 | A kind of tube bundle flow consolidates Coupled Dynamics vibration testing device and method |
| CN109282975A (en) * | 2018-08-16 | 2019-01-29 | 东北石油大学 | A kind of induction tubing string vibration of two phase flow and axial force transmission simulation system |
| CN109632230A (en) * | 2019-02-18 | 2019-04-16 | 哈尔滨工程大学 | A kind of low resistance based on electronics spring is than Flow vibration experimental provision |
| CN113375900A (en) * | 2021-05-14 | 2021-09-10 | 东方电气集团科学技术研究院有限公司 | Method for testing amplitude and frequency response of flow-induced vibration of tube bundle structure |
| CN113390607A (en) * | 2021-05-14 | 2021-09-14 | 东方电气集团科学技术研究院有限公司 | Non-contact displacement testing method for flow-induced vibration of tube bundle structure |
| CN113390607B (en) * | 2021-05-14 | 2023-03-24 | 东方电气集团科学技术研究院有限公司 | Non-contact displacement testing method for flow-induced vibration of tube bundle structure |
| CN113375900B (en) * | 2021-05-14 | 2023-05-12 | 东方电气集团科学技术研究院有限公司 | Method for testing amplitude and frequency response of flow-induced vibration of tube bundle structure |
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Effective date of registration: 20191212 Address after: 314415 within huangwan town government, Jiaxing City, Zhejiang Province Patentee after: Haining huangwan town Asset Management Co., Ltd Address before: 163000 No. 199, development road, hi tech Development Zone, Heilongjiang, Daqing Patentee before: Northeast Petroleum University |