CN103364038A - Stainless steel ultrasonic flowmeter - Google Patents

Stainless steel ultrasonic flowmeter Download PDF

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Publication number
CN103364038A
CN103364038A CN 201210086086 CN201210086086A CN103364038A CN 103364038 A CN103364038 A CN 103364038A CN 201210086086 CN201210086086 CN 201210086086 CN 201210086086 A CN201210086086 A CN 201210086086A CN 103364038 A CN103364038 A CN 103364038A
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CN
China
Prior art keywords
table body
cowling panel
stainless steel
flowmeter
flat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201210086086
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Chinese (zh)
Inventor
付涛
孙路刚
左林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weihai Ploumeter Co Ltd
Original Assignee
Weihai Ploumeter Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weihai Ploumeter Co Ltd filed Critical Weihai Ploumeter Co Ltd
Priority to CN 201210086086 priority Critical patent/CN103364038A/en
Publication of CN103364038A publication Critical patent/CN103364038A/en
Pending legal-status Critical Current

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Abstract

The invention relates to the technical field of flow metering, in particular to a stainless steel ultrasonic flowmeter. The stainless steel ultrasonic flowmeter comprises a flowmeter body, an ultrasonic transducer, a mounting part of the ultrasonic transducer and a calculator, wherein the flowmeter body comprises a flowmeter body tube, a flowmeter body flange, a flowmeter mounting seat and rectifying plates. The stainless steel ultrasonic flowmeter is characterized in that the flowmeter body is made of stainless steel, flat-cavity plates made of stainless steel are axially and symmetrically arranged along two sides of the center in the flowmeter body tube, square panels are arranged in the middles of the flat-cavity plates, two ends of each square panel radially extend outwards to form extending faces, the periphery of each flat-cavity plate is fixedly connected with the flowmeter body tube, a section of an inner cavity used for metering flow and formed between the flowmeter body tube and each flat-cavity plate is shaped in an elongated opening, and axial sections of the inlet end and the outlet end of the flowmeter body tube are shaped in horns. By the structure, the stainless steel ultrasonic flowmeter has the advantages of novel structure, low material consumption, low labor expense, high production efficiency, high wear resistance, low production cost, high metering precision, obvious rectifying effect and the like.

Description

The stainless steel ultrasonic flowmeter
Technical field
The present invention relates to the field of measuring techniques of flow, specifically a kind of stainless steel ultrasonic flowmeter.
Background technology
As everyone knows, ultrasonic flow meter is to flow to the work of supersonic beam (or ultrasonic pulse) instrument in order to measuring flow by test fluid.Wherein pipeline section type ultrasonic flow instrument is take " velocity contrast method " as principle, measures the instrument of fluid flow in the pipe.It has adopted advanced multiple-pulse technology, signal digitalized treatment technology and error correcting technique, make flow instrument more can adapt to the environment of industry spot, measure more conveniently, economical, accurately, can be widely used in the fields such as oil, chemical industry, metallurgy, electric power, plumbing.This ultrasonic flowmeter is by the table body, ultrasonic transducer and installing component thereof and counter form, the table body pipe of wherein showing in the body all adopts the cast steel material casting usually, its deficiency is: the one, and foundry goods is in manufacturing process, the needsization fire, cast and sand removal PROCESS FOR TREATMENT, changing fire in the casting process pollutes large, the sand removal dust is many, complex procedures, high material consumption, anti-wear performance is low, the 2nd, table body inside pipe wall needs smooth mellow and full, in two probe mounting points ± 100mm scopes, usually utilize angle frosted turbine, the instruments such as sand paper with inner surface of pipeline process polish to light smoothly without pit, also pay particular attention to, the polishing point requires with former pipeline same radian is arranged, must guard against mounting points is polished into the plane, with alcohol or gasoline etc. this scope is cleaned, it is bonding to be beneficial to pop one's head in, cause electricity consumption many, the recruitment expense is high, production efficiency is low, the 3rd, because the table body is cylindrical pipe, it is less that the efficiently sampling cross section of ultrasonic transducer accounts for the ratio in whole cylindrical measuring channel cross section in cylindrical pipe, the homogeneity of measuring channel inner fluid and stability have a significant impact measuring accuracy, and therefore the precision of metering and the structure in the pipeline have very large relation.
The applicant has applied for that in China a kind of patent is 2009203137782 on October 30th, 2009, patent name is the utility model patent of ultrasonic flowmeter, it comprises the table body, ultrasonic transducer and installing component thereof and counter, the table body comprises table body pipe, table body flange, table body mount pad and cowling panel, installing component comprises locating ring, clamp nut and sealing plug screw and seal thereof, ultrasonic transducer by the installing component fixing seal in table body mount pad, the pipeline that table body center section is used for measuring flow is flat pipeline, its cross section is rectangle or the rectangle of chamfering is arranged, middle part, table body porch arranges cowling panel, ultrasonic transducer is by heart position being installed in respectively leptoprosopy place, flat flow conduit both sides in pairs, the central axes of ultrasonic transducer, perhaps ultrasonic transducer is installed in respectively leptoprosopy place, flat flow measurement pipeline two sides by parallel position in pairs, wherein a ultrasonic transducer sends signal and is received by another ultrasonic transducer after mirror reflects, the advantage of this patent is the flat pipeline that table body center section is used for measuring flow, increased the ratio of effective employing cross section in whole measuring tube cross section of ultrasonic transducer, improve measuring accuracy, strengthen antijamming capability, in the requirement that guarantees to reduce under the identical measuring accuracy condition to pipe laying structure and flow development length, table body tube inlet place arranges cowling panel, the pipeline inner fluid is played good rectified action, improve the homogeneity of table body inner fluid, its deficiency is: because the table body pipe in the table body adopts casting, the one, in manufacturing process, the needsization fire, cast and sand removal PROCESS FOR TREATMENT, changing fire in the casting process pollutes large, the sand removal dust is many, complex procedures, high material consumption, anti-wear performance is low, the 2nd, the table body inside pipe wall after the casting is coarse rough, in two probe mounting points ± 100mm scopes, need utilize angle frosted turbine, the instruments such as sand paper with inner surface of pipeline process polish to light smoothly without pit, the polishing point also needs to ask with former pipeline same radian, avoid mounting points is polished into the plane, with alcohol or gasoline etc. this scope is cleaned, it is bonding to be beneficial to pop one's head in, cause electricity consumption many, the recruitment expense is high, production efficiency is low, the 3rd, because table body porch only arranges a cowling panel, the homogeneity effect of table in-vivo measurement liquid fluid is not remarkable, and rectification effect is poor.
Summary of the invention
The objective of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of novel structure, technique is simple, material consumption is low, electricity consumption is few, the recruitment expense is low, production efficiency is high, anti-wear performance is high, production cost is low, long service life, measuring accuracy high, the significant stainless steel ultrasonic flowmeter of rectification effect.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of stainless steel ultrasonic flowmeter, comprise the table body, ultrasonic transducer and installing component thereof and counter, it is characterized in that showing body adopts stainless steel to make, the table body comprises table body pipe, table body flange, table body mount pad and cowling panel, it is characterized in that showing the body pipe adopts the corrosion resistant plate material to make, the interior flat chamber plate that axially is arranged with along the both sides, center of table body pipe, flat chamber plate adopts stainless steel to make, be square panel in the middle of the plate of flat chamber, extended planar is radially outward extended into along axis direction respectively in two ends, flat chamber plate periphery is fixedly connected with table body pipe, make the intracavity section of the measuring flow that forms between table body pipe and the flat chamber plate be the flat degree of lip-rounding, the axial cross section of table body tube inlet end and endpiece is tubaeform, inner wall coarse is rough after having solved table body pipe casing, in two probe mounting points ± 100mm scopes, need utilize angle frosted turbine, the instruments such as sand paper with inner surface of pipeline process polish to light smoothly without pit, the polishing point also needs to ask with former pipeline same radian, prevent from mounting points is polished into the problem on plane, reduced the disturbing factor of measuring fluid, improve measuring accuracy and stability, table body tube inlet end is provided with the cruciform cowling panel, the cruciform cowling panel is to be formed by horizontal cowling panel and the mutual square crossing of perpendicular cowling panel, horizontal cowling panel is trapezoidal, the trapezoidal side at horizontal cowling panel two ends is fixedly connected with extended planar respectively, perpendicular cowling panel is square, perpendicular cowling panel two ends are fixedly connected with table body inside pipe wall respectively, make the fluid that enters table body pipe uniform and stable through the rectified action of cruciform cowling panel, strengthened the measuring accuracy of flow.
The present invention is owing to adopt said structure, has novel structure, advantages such as technique is simple, material consumption is low, electricity consumption is few, the recruitment expense is low, production efficiency is high, anti-wear performance is high, production cost is low, long service life, measuring accuracy is high, rectification effect is remarkable.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the structural representation of flat chamber plate among the present invention.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the structural representation of horizontal cowling panel in the cruciform cowling panel.
Fig. 7 is the structural representation of perpendicular cowling panel in the cruciform cowling panel.
Reference numeral: ultrasonic transducer 1, table body pipe 2, table body flange 3, table body mount pad 4, flat chamber plate 6, square panel 7, extended planar 8, cruciform cowling panel 9, horizontal cowling panel 10, perpendicular cowling panel 11.
Embodiment:
The present invention is further described below in conjunction with accompanying drawing:
As shown in drawings, a kind of stainless steel ultrasonic flowmeter, comprise the table body, ultrasonic transducer 1 and installing component thereof and counter, the table body comprises table body pipe 2, table body flange 3, table body mount pad 4 and cowling panel, installing component comprises locating ring, clamp nut and sealing plug screw and seal thereof, ultrasonic transducer 1, table body pipe 2, table body flange 3, locating ring, structure and the annexation of clamp nut and sealing plug screw and seal thereof are same as the prior art, this does not give unnecessary details, it is characterized in that showing body pipe 2 adopts the corrosion resistant plate material to make, the table body pipe 2 interior flat chamber plates 6 that axially are arranged with along the both sides, center, flat chamber plate 6 adopts stainless steel to make, be square panel 7 in the middle of the flat chamber plate 6, extended planar 8 is radially outward extended into along axis direction respectively in two ends, plate 6 peripheries in flat chamber are fixedly connected with table body pipe 2, make the intracavity section of the measuring flow that forms between table body pipe 2 and the flat chamber plate 6 be the flat degree of lip-rounding, the axial cross section of table body pipe 2 inlet ends and endpiece is tubaeform, inner wall coarse is rough after having solved 2 castings of table body pipe, in two probe mounting points ± 100mm scopes, need utilize angle frosted turbine, the instruments such as sand paper with inner surface of pipeline process polish to light smoothly without pit, the polishing point also needs to ask with former pipeline same radian, prevent from mounting points is polished into the problem on plane, reduced the disturbing factor of measuring fluid, improve measuring accuracy, table body pipe 2 inlet ends are provided with cruciform cowling panel 9, cruciform cowling panel 9 is to be formed by horizontal cowling panel 10 and the 11 mutual square crossings of perpendicular cowling panel, horizontal cowling panel 10 is trapezoidal, the trapezoidal side at horizontal cowling panel 10 two ends is fixedly connected with extended planar 8 respectively, perpendicular cowling panel 11 is square, perpendicular cowling panel 11 two ends are fixedly connected with table body pipe 2 inwalls respectively, make the fluid that enters table body pipe 2 uniform and stable through the rectified action of cruciform cowling panel 9, strengthened the measuring accuracy of flow.
The present invention in use, the present invention is contained in the measurement pipeline section, the inlet end of table body pipe 2 is connected with the water inlet of measuring tube, liquid in measuring tube is through cruciform cowling panel 9 rectifications of table body pipe 2 inlet ends, make the liquid that enters measured zone reach significant evenly rectified action, when liquid is flowed through measured zone, because the material of flat chamber plate 6 and table body pipe 2 adopts corrosion resistant plate to make, liquid and inside surface frictional resistance are little, strengthened the measuring accuracy of flow, and because the tube section between table body pipe 2 and the flat chamber plate 6 is the flat degree of lip-rounding, the ratio that makes the efficiently sampling cross section of ultrasonic transducer 1 account for whole measuring channel cross section increases, improve measuring accuracy, strengthened antijamming capability, significantly improved the stability of measuring.
The present invention is owing to adopt said structure, has novel structure, advantages such as technique is simple, material consumption is low, electricity consumption is few, the recruitment expense is low, production efficiency is high, anti-wear performance is high, production cost is low, long service life, measuring accuracy is high, rectification effect is remarkable.

Claims (1)

1. stainless steel ultrasonic flowmeter, comprise the table body, ultrasonic transducer and installing component thereof and counter, the table body comprises table body pipe, table body flange, table body mount pad and cowling panel, it is characterized in that showing the body pipe adopts the corrosion resistant plate material to make, the interior flat chamber plate that axially is arranged with along the both sides, center of table body pipe, flat chamber plate adopts stainless steel to make, be square panel in the middle of the plate of flat chamber, extended planar is radially outward extended into along axis direction respectively in two ends, flat chamber plate periphery is fixedly connected with table body pipe, the intracavity section of the measuring flow that forms between table body pipe and the flat chamber plate is the flat degree of lip-rounding, the axial cross section of table body tube inlet end and endpiece is tubaeform, table body tube inlet end is provided with the cruciform cowling panel, the cruciform cowling panel is to be formed by horizontal cowling panel and the mutual square crossing of perpendicular cowling panel, and horizontal cowling panel is trapezoidal, and the trapezoidal side at horizontal cowling panel two ends is fixedly connected with the plane of flattening respectively, perpendicular cowling panel is square, and perpendicular cowling panel two ends are fixedly connected with table body inside pipe wall respectively.
CN 201210086086 2012-03-28 2012-03-28 Stainless steel ultrasonic flowmeter Pending CN103364038A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201210086086 CN103364038A (en) 2012-03-28 2012-03-28 Stainless steel ultrasonic flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201210086086 CN103364038A (en) 2012-03-28 2012-03-28 Stainless steel ultrasonic flowmeter

Publications (1)

Publication Number Publication Date
CN103364038A true CN103364038A (en) 2013-10-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201210086086 Pending CN103364038A (en) 2012-03-28 2012-03-28 Stainless steel ultrasonic flowmeter

Country Status (1)

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CN (1) CN103364038A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105973336A (en) * 2016-07-01 2016-09-28 北京京源水仪器仪表有限公司 Diversion reflection support
CN106153131A (en) * 2015-05-14 2016-11-23 株式会社基恩士 Ultrasonic flow switchs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106153131A (en) * 2015-05-14 2016-11-23 株式会社基恩士 Ultrasonic flow switchs
CN106153131B (en) * 2015-05-14 2020-10-27 株式会社基恩士 Ultrasonic flow switch
CN105973336A (en) * 2016-07-01 2016-09-28 北京京源水仪器仪表有限公司 Diversion reflection support

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C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20131023