CN202471149U

CN202471149U - Stainless steel ultrasonic flow meter

Info

Publication number: CN202471149U
Application number: CN2012201225687U
Authority: CN
Inventors: 付涛; 孙路刚; 左林
Original assignee: Weihai Ploumeter Co Ltd
Current assignee: Weihai Ploumeter Co Ltd
Priority date: 2012-03-28
Filing date: 2012-03-28
Publication date: 2012-10-03
Anticipated expiration: 2022-03-28

Abstract

The utility model relates to the technical field of measurement of flow, in particular to a stainless steel ultrasonic flow meter which comprises a meter body, an ultrasonic transducer and an installing part thereof, and a calculator, wherein the meter body comprises a metal body tube, a meter body flange, a meter body installing base and a rectifier plate. The stainless steel ultrasonic flow meter is characterized in that the meter body tube is made of a stainless steel material, flat cavity plates are symmetrically arranged in the meter body tube along axial directions of two sides of the center and are made of stainless steel, a square panel is arranged in the middles of the flat cavity plates, two ends of the square panel respectively extend outwards along the radial direction of an axial line to form an extending surface, the peripheries of the flat cavity plates are fixedly connected with the meter body tube, a section of an inner cavity formed between the meter body tube and the flat cavity plates and used for measuring the flow is shaped as a flat opening, and axial sections of an inlet end and an outlet end of the meter body tube are shaped as a horn. Due to the adoption of the structure, the stainless steel ultrasonic flow meter has the advantages of novel structure, low material consumption, low labor cost, high production efficiency, high wear resistance, low production cost, high measurement precision, remarkable rectifying effect and the like.

Description

The stainless steel ultrasonic flowmeter

Technical field

The utility model 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 work to supersonic beam (or ultrasonic pulse) in order to measure the instrument of flow through test fluid.Wherein pipeline section type ultrasonic flow instrument is to be principle with " velocity contrast method ", 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 fields such as oil, chemical industry, metallurgy, electric power, plumbing.This ultrasonic flowmeter is made up of table body, ultrasonic transducer and installing component thereof and counter, and the table body pipe of wherein showing in the body all adopts the cast steel material casting usually, and its deficiency is: the one, and foundry goods is in manufacturing process; Needsization fire, cast and sand removal PROCESS FOR TREATMENT are changed fire and are polluted big, many, the complex procedures of sand removal dust in the casting process, high material consumption, anti-wear performance are low; The 2nd, table body inside pipe wall needs smooth mellow and full, in two probe mounting points ± 100mm scopes, utilizes instruments such as angle frosted turbine, sand paper that inner surface of pipeline is handled the level and smooth no pit of polishing to light usually; Also pay particular attention to; The polishing point requires with former pipeline same radian is arranged, and must guard against that 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 that electricity consumption is many, the recruitment expense is high, production efficiency is low, the 3rd because the table body is a 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 has very big influence with stability to measuring accuracy, and therefore the precision of metering and the structure in the pipeline have very big relation.

The applicant has applied for that in China a kind of patent is 2009203137782 on October 30th, 2009, and patent name is the utility model patent of ultrasonic flowmeter, and it comprises table body, ultrasonic transducer and installing component and counter; The table body comprises table body pipe, table body flange, table body mount pad and cowling panel, and installing component comprises locating ring, clamp nut and seal plug screw and seal, ultrasonic transducer by the installing component fixing seal in table body mount pad; The pipeline that table body center section is used to measure flow is the flat pipeline, and its cross section is rectangle or the rectangle of chamfering is arranged, and middle part, table body porch is provided with cowling panel; In pairs ultrasonic transducer is by being installed in leptoprosopy place, flat flow conduit both sides respectively to heart position, the central axes of ultrasonic transducer, and perhaps ultrasonic transducer is installed in leptoprosopy place, flat flow measurement pipeline two sides respectively by parallel position in pairs; Wherein a ultrasonic transducer sends signal and after mirror reflects, is received by another ultrasonic transducer, and the advantage of this patent is the flat pipeline that table body center section is used to measure flow, has increased the ratio of effective employing cross section in whole measuring buret cross section of ultrasonic transducer; Improve measuring accuracy, strengthen antijamming capability, guaranteeing to reduce requirement under the identical measuring accuracy condition pipe laying structure and flow development length; Table body tube inlet place is provided with cowling panel, and the pipeline inner fluid is played good rectified action, improves 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, needsization fire, cast and sand removal PROCESS FOR TREATMENT are changed fire and are polluted big, many, the complex procedures of sand removal dust in the casting process; High material consumption, anti-wear performance are low; The 2nd, the table body inside pipe wall after the casting is coarse rough, in two probe mounting points ± 100mm scopes, need utilize instruments such as angle frosted turbine, sand paper that inner surface of pipeline is handled the level and smooth no pit of polishing to light; The polishing point also need be asked with former pipeline has 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 that electricity consumption is many, the recruitment expense is high, production efficiency is low; The 3rd, because table body porch only is provided with 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 purpose of the utility model is the deficiency that solves above-mentioned prior art, a kind of novel structure is provided, technology 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, high, the significant stainless steel ultrasonic flowmeter of rectification effect of measuring accuracy.

The utility model solves the technical scheme that its technical matters adopted:

A kind of stainless steel ultrasonic flowmeter comprises table body, ultrasonic transducer and installing component and counter, it is characterized in that showing body and adopts stainless steel to process; The table body comprises shows body pipe, table body flange, table body mount pad and cowling panel, it is characterized in that showing the body pipe and adopts the corrosion resistant plate material to process, 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 process, and is square panel in the middle of the plate of flat chamber, and 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, makes the intracavity section of the measurement flow that forms between table body pipe and the flat chamber plate be the flat degree of lip-rounding, and 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 instruments such as angle frosted turbine, sand paper that inner surface of pipeline is handled the level and smooth no pit of polishing to light; The polishing point also need be asked with former pipeline has same radian; Prevent 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, and horizontal cowling panel is trapezoidal, and 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 of entering table body pipe uniform and stable through the rectified action of cruciform cowling panel, have strengthened the measuring accuracy of flow.

The utility model is owing to adopt said structure, has novel structure, advantages such as technology 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 the structural representation of the utility model.

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 in the utility model.

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:

Below in conjunction with accompanying drawing the utility model is further specified:

Shown in accompanying drawing, a kind of stainless steel ultrasonic flowmeter comprises table body, ultrasonic transducer 1 and installing component and counter; The table body comprises table body pipe 2, table body flange 3, table body mount pad 4 and cowling panel, and installing component comprises locating ring, clamp nut and seal plug screw and seal, and ultrasonic transducer 1, table body pipe 2, table body flange 3, locating ring, clamp nut are identical with prior art with annexation with the structure of sealing plug screw and seal thereof; This does not give unnecessary details, and it is characterized in that showing body pipe 2 and adopts the corrosion resistant plate material to process, 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 process, and is square panel 7 in the middle of the flat chamber plate 6, and 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 measurement flow that forms between table body pipe 2 and the flat chamber plate 6 be the flat degree of lip-rounding, and the axial cross section of table body pipe 2 inlet ends and endpiece is tubaeform; It is rough to have solved table body pipe 2 casting back inner wall coarses, in two probe mounting points ± 100mm scopes, need utilize instruments such as angle frosted turbine, sand paper that inner surface of pipeline is handled the level and smooth no pit of polishing to light; The polishing point also need be asked with former pipeline has same radian; Prevent 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 with perpendicular cowling panel 11 mutual square crossings by horizontal cowling panel 10, and horizontal cowling panel 10 is trapezoidal, and 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 of entering table body pipe 2 uniform and stable through the rectified action of cruciform cowling panel 9, have strengthened the measuring accuracy of flow.

The utility model is contained in the measurement pipeline section with the utility model in use, and the inlet end of table body pipe 2 is connected with the water inlet of measuring tube; Liquid in measuring tube makes the liquid that gets into measured zone reach significant evenly rectified action through cruciform cowling panel 9 rectifications of table body pipe 2 inlet ends, when flow of liquid during through measured zone; Because flat chamber plate 6 adopts corrosion resistant plate to process with the material of table body pipe 2; Liquid and inside surface frictional resistance are little, have 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 measuring stability.

Claims

1. a stainless steel ultrasonic flowmeter comprises table body, ultrasonic transducer and installing component and counter, and 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 and adopt the corrosion resistant plate material to process, axially be arranged with flat chamber plate along the both sides, center in the table body pipe, flat chamber plate adopts stainless steel to process; In the middle of the plate of flat chamber is square panel, and extended planar is radially outward extended into along axis direction respectively in two ends, and plate periphery in flat chamber is fixedly connected with table body pipe; The intracavity section of the measurement 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, and table body tube inlet end is provided with the cruciform cowling panel, and 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 the plane of flattening respectively, and perpendicular cowling panel is square, and perpendicular cowling panel two ends are fixedly connected with table body inside pipe wall respectively.