CN103808374A - Steam vortex shedding flowmeter measuring multiple parameters - Google Patents

Steam vortex shedding flowmeter measuring multiple parameters Download PDF

Info

Publication number
CN103808374A
CN103808374A CN201410047972.6A CN201410047972A CN103808374A CN 103808374 A CN103808374 A CN 103808374A CN 201410047972 A CN201410047972 A CN 201410047972A CN 103808374 A CN103808374 A CN 103808374A
Authority
CN
China
Prior art keywords
steam
flow
flow sensor
multiple parameters
measuring
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
CN201410047972.6A
Other languages
Chinese (zh)
Inventor
王国武
甘晓梅
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.)
HEFEI JINGDA INSTRUMENT CO Ltd
Original Assignee
HEFEI JINGDA INSTRUMENT 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 HEFEI JINGDA INSTRUMENT CO Ltd filed Critical HEFEI JINGDA INSTRUMENT CO Ltd
Priority to CN201410047972.6A priority Critical patent/CN103808374A/en
Publication of CN103808374A publication Critical patent/CN103808374A/en
Pending legal-status Critical Current

Links

Images

Abstract

The invention discloses a steam vortex shedding flowmeter measuring multiple parameters. A vortex generation body is installed in an inner hole of a meter body with a measuring tube. A hole is perpendicularly formed outside the meter body with the measuring tube in the face right behind the vortex generation body so that a flow sensor can be installed. A supporting cylinder is installed above the meter body with the measuring tube. The flow sensor is covered with the supporting cylinder. A flow totalizer is installed at the upper end of the supporting cylinder. The steam vortex shedding flowmeter measuring the multiple parameters has the advantages that the multiple parameters of steam can be measured, the measuring range is wide, the steam measurement accuracy is high, pressure loss is small, various sensors are integrally designed, and the flowmeter is compact in structure, high in reliability, low in manufacturing cost, convenient to use and maintain, long in service life and the like; the flow sensor and a temperature sensor which are resistant to high temperature are adopted so that the steam vortex shedding flowmeter measuring the multiple parameters can measure saturated steam and superheated steam with higher temperature.

Description

The steam vortex flowmeter of measuring multiple parameters
Technical field
The present invention relates to industrial flow meter technical field, relate in particular to a kind of steam vortex flowmeter of measuring multiple parameters.
Background technology
Saturated or superheated vapor is the main energy sources of current industrial and agricultural production and people's lives, and it is particularly important that steam measurement just seems, the steam measurement instrument that Present Domestic generally adopts is outward orifice flowmeter, Venturi nozzle flowmeter and common vortex shedding flow meter.Orifice flowmeter and Venturi nozzle flowmeter survey narrow range, measuring accuracy is not high, flowmeter crushing is large, and can not measure temperature and pressure simultaneously, common vortex shedding flow meter resistance to elevated temperatures is poor, the life-span is short and only can measurement volumes flow for measuring steam, can not measure temperature, pressure and density and the accurate mass rate of steam, if need accurately to measure steam mass flow, also need separately to join temperature transmitter, pressure unit and flow computer, so cost is higher.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, and a kind of steam vortex flowmeter of measuring multiple parameters is provided.
The present invention is achieved by the following technical solutions:
A kind of steam vortex flowmeter of measuring multiple parameters, include band measuring tube table body, swirl generating body, flow sensor, flow integrator, temperature sensor and pressure transducer, described swirl generating body is arranged in the endoporus with measuring tube table body, in the outside with measuring tube table body and the vertical open pores just below that is positioned at swirl generating body described flow sensor is installed, above with measuring tube table body, support barrel mast is installed, described support barrel mast covers flow sensor, described flow integrator is arranged on the end, upper end of supporting barrel mast, described pressure transducer is arranged on and supports on the leading flank dividing on barrel mast top, with the external side of measuring tube table and be positioned at cross section, flow sensor place 90 degree left corners have pressure transducer pressure port, described pressure transducer communicates with pressure transducer pressure port by pressure pipe, on with measuring tube table body and the front-right that is positioned at flow sensor temperature sensor is installed, described flow sensor, temperature sensor and pressure transducer are electrically connected with flow integrator respectively, measure respectively the signal corresponding to flow velocity, temperature and pressure of steam by flow sensor, temperature sensor and pressure transducer, Bing Jiang tri-road signals are sent to respectively in flow integrator, demonstrate the flow velocity of steam, the numerical value of temperature and pressure by flow integrator, and calculate and demonstrate volume flow value, temperature value, force value, the vapour density of steam and add up the various parameters such as mass flow value by flow integrator.
On described support barrel mast, have multiple heat radiation fenestras, play the effect of radiating and cooling.
Distance between described flow sensor and swirl generating body is 5-15mm, and the distance between temperature sensor and flow sensor is 40-60mm.
Described pressure pipe is that external diameter is that 6-10mm internal diameter is the impulse bend pipe of 2-4mm seamless stainless steel material and is respectively equipped with back-shaped pipeline section at the two ends of impulse bend pipe, by the effect of impulse bend pipe impulse cooling, what guaranteed pressure transducer can directly not contact high-temperature steam, pressure parameter that also can Measurement accuracy measured medium.
Between pressure transducer and pressure pipe, be connected with high temperature needle-valve, can realize while shutting high temperature needle-valve in the situation of continuing to flow, also can realize the inspection and maintenance to pressure transducer.
Described flow sensor adopted that biplate piezoelectric single crystal makes piezoelectric type vortex flow sensors, sensitivity and the anti-shake performance of flow sensor are improved, described piezoelectric crystal selects Curie temperature up to the lithium niobate piezoelectric single crystal that is 1200 degree, has guaranteed that sensor ability 450 spends the performance of high-temperature steam.
Impulse bend pipe is changed into the straight pipe structure of not being with two sections of back-shaped pipeline sections, can be common to the measurement of other gases or liquid.
Advantage of the present invention is: the parameter that the present invention can measure steam is many, broad quantum, the precision of measuring steam is high, the pressure loss is little, multiple sensors is based on integrated design, flowmeter structure compactness, reliability is high, low cost of manufacture, working service is convenient, the advantages such as life of product is long, resistant to elevated temperatures flow sensor and temperature sensor are adopted, make the steam vortex flowmeter of this measuring multiple parameters can measure saturated vapor can to measure again the superheated vapor of higher temperature, pressure pipe can be made not to be with into the straight pipe of back-shaped pipe, can be common to the metering of other gases or liquid, applied range.
Accompanying drawing explanation
Fig. 1 is front elevation of the present invention.
Fig. 2 is the left view of Fig. 1.
Embodiment
As Fig. 1, shown in 2, a kind of steam vortex flowmeter of measuring multiple parameters, include band measuring tube table body 2, swirl generating body 1, flow sensor 3, flow integrator 6, temperature sensor 8 and pressure transducer 10, described swirl generating body 1 is arranged in the endoporus with measuring tube table body 2, in the outside with measuring tube table body 2 and the vertical open pores just below that is positioned at swirl generating body 1 described flow sensor 3 is installed, above with measuring tube table body 2, support barrel mast 4 is installed, described support barrel mast 4 covers flow sensor 3, described flow integrator 6 is arranged on the end, upper end of supporting barrel mast 4, described pressure transducer 10 is arranged on the leading flank that supports part on barrel mast 4, with measuring tube table body 2 outsides and be positioned at flow sensor 3 cross sections, place 90 degree left corners have pressure transducer pressure port 15, described pressure transducer 10 communicates with pressure transducer pressure port 15 by pressure pipe, on with measuring tube table body 2 and the front-right that is positioned at flow sensor 3 temperature sensor 8 is installed, described flow sensor 3, temperature sensor 8 and pressure transducer 10 are electrically connected with flow integrator 6 respectively, measure respectively the signal corresponding to flow velocity, temperature and pressure of steam by flow sensor 3, temperature sensor 8 and pressure transducer 10, Bing Jiang tri-road signals are sent to respectively in flow integrator 6, demonstrate the flow velocity of steam, the numerical value of temperature and pressure by flow integrator 6, and calculate and demonstrate volume flow value, temperature value, force value, the vapour density of steam and add up the various parameters such as mass flow value by flow integrator 6.
On described support barrel mast 4, have multiple heat radiation fenestras 5, play the effect of radiating and cooling.
Distance between described flow sensor 3 and swirl generating body 1 is 5-15mm, and the distance between temperature sensor 8 and flow sensor 3 is 40-60mm.
Described pressure pipe is that external diameter is that 6-10mm internal diameter is the impulse bend pipe 13 of 2-4mm seamless stainless steel material and is respectively equipped with back-shaped pipeline section 12 at the two ends of impulse bend pipe 13, by the effect of impulse bend pipe 13 impulse coolings, what guaranteed pressure transducer 10 can directly not contact high-temperature steam, pressure parameter that also can Measurement accuracy measured medium.
Between pressure transducer 10 and pressure pipe, be connected with high temperature needle-valve 11, can realize while shutting high temperature needle-valve 11 in the situation of continuing to flow, also can realize the inspection and maintenance to pressure transducer 10.
Described flow sensor 3 adopted that biplate piezoelectric single crystal makes piezoelectric type vortex flow sensors, sensitivity and the anti-shake performance of flow sensor 3 are improved, described piezoelectric crystal selects Curie temperature up to the lithium niobate piezoelectric single crystal that is 1200 degree, has guaranteed that sensor ability 450 spends the performance of high-temperature steam.

Claims (6)

1. the steam vortex flowmeter of a measuring multiple parameters, it is characterized in that: include band measuring tube table body, swirl generating body, flow sensor, flow integrator, temperature sensor and pressure transducer, described swirl generating body is arranged in the endoporus with measuring tube table body, in the outside with measuring tube table body and the vertical open pores just below that is positioned at swirl generating body described flow sensor is installed, above with measuring tube table body, support barrel mast is installed, described support barrel mast covers flow sensor, described flow integrator is arranged on the end, upper end of supporting barrel mast, described pressure transducer is arranged on and supports on the leading flank dividing on barrel mast top, with the external side of measuring tube table and be positioned at cross section, flow sensor place 90 degree left corners have pressure transducer pressure port, described pressure transducer communicates with pressure transducer pressure port by pressure pipe, on with measuring tube table body and the front-right that is positioned at flow sensor temperature sensor is installed, described flow sensor, temperature sensor and pressure transducer are electrically connected with flow integrator respectively, measure respectively the signal corresponding to flow velocity, temperature and pressure of steam by flow sensor, temperature sensor and pressure transducer, Bing Jiang tri-road signals are sent to respectively in flow integrator, demonstrate the flow velocity of steam, the numerical value of temperature and pressure by flow integrator, and calculate and demonstrate the various parameters of steam by flow integrator.
2. the steam vortex flowmeter of measuring multiple parameters according to claim 1, is characterized in that: on described support barrel mast, have multiple heat radiation fenestras.
3. the steam vortex flowmeter of measuring multiple parameters according to claim 1, is characterized in that: the distance between described flow sensor and swirl generating body is 5-15mm, and the distance between temperature sensor and flow sensor is 40-60mm.
4. the steam vortex flowmeter of measuring multiple parameters according to claim 1, is characterized in that: described pressure pipe is that external diameter is that 6-10mm internal diameter is the impulse bend pipe of 2-4mm seamless stainless steel material and is respectively equipped with back-shaped pipeline section at the two ends of impulse bend pipe.
5. the steam vortex flowmeter of measuring multiple parameters according to claim 1, is characterized in that: between pressure transducer and pressure pipe, be connected with high temperature needle-valve.
6. the steam vortex flowmeter of measuring multiple parameters according to claim 1, it is characterized in that: described flow sensor adopted that biplate piezoelectric single crystal makes piezoelectric type vortex flow sensors, described piezoelectric crystal selects Curie temperature up to the lithium niobate piezoelectric single crystal that is 1200 degree.
CN201410047972.6A 2014-02-11 2014-02-11 Steam vortex shedding flowmeter measuring multiple parameters Pending CN103808374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410047972.6A CN103808374A (en) 2014-02-11 2014-02-11 Steam vortex shedding flowmeter measuring multiple parameters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410047972.6A CN103808374A (en) 2014-02-11 2014-02-11 Steam vortex shedding flowmeter measuring multiple parameters

Publications (1)

Publication Number Publication Date
CN103808374A true CN103808374A (en) 2014-05-21

Family

ID=50705479

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410047972.6A Pending CN103808374A (en) 2014-02-11 2014-02-11 Steam vortex shedding flowmeter measuring multiple parameters

Country Status (1)

Country Link
CN (1) CN103808374A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105973318A (en) * 2016-06-27 2016-09-28 合肥精大仪表股份有限公司 High-performance hygienic vortex shedding flowmeter
CN111024165A (en) * 2018-10-10 2020-04-17 莱芜钢铁集团电子有限公司 Steam flow obtaining method and device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2151026A1 (en) * 1994-06-13 1995-12-14 Frederick Mcclure Whorff Vapor density measurement systems
CN202255473U (en) * 2011-08-03 2012-05-30 天津斯秘特精密仪表有限公司 Intelligent quake-proof vortex precession flow meter
CN202757650U (en) * 2012-09-14 2013-02-27 天津市胜武仪表技术有限公司 Steam screw-in vortex flowmeter
CN203274816U (en) * 2013-06-04 2013-11-06 浙江天信仪表科技有限公司 Precession vortex steam flowmeter
CN103438948A (en) * 2013-08-14 2013-12-11 合肥精大仪表股份有限公司 Temperature and pressure compensation type high-temperature precession vortex flowmeter
CN203719704U (en) * 2014-02-11 2014-07-16 合肥精大仪表股份有限公司 Steam vortex shedding flowmeter capable of measuring multiple parameters

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2151026A1 (en) * 1994-06-13 1995-12-14 Frederick Mcclure Whorff Vapor density measurement systems
CN202255473U (en) * 2011-08-03 2012-05-30 天津斯秘特精密仪表有限公司 Intelligent quake-proof vortex precession flow meter
CN202757650U (en) * 2012-09-14 2013-02-27 天津市胜武仪表技术有限公司 Steam screw-in vortex flowmeter
CN203274816U (en) * 2013-06-04 2013-11-06 浙江天信仪表科技有限公司 Precession vortex steam flowmeter
CN103438948A (en) * 2013-08-14 2013-12-11 合肥精大仪表股份有限公司 Temperature and pressure compensation type high-temperature precession vortex flowmeter
CN203719704U (en) * 2014-02-11 2014-07-16 合肥精大仪表股份有限公司 Steam vortex shedding flowmeter capable of measuring multiple parameters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105973318A (en) * 2016-06-27 2016-09-28 合肥精大仪表股份有限公司 High-performance hygienic vortex shedding flowmeter
CN105973318B (en) * 2016-06-27 2022-04-19 合肥精大仪表股份有限公司 High-performance sanitary vortex shedding flowmeter
CN111024165A (en) * 2018-10-10 2020-04-17 莱芜钢铁集团电子有限公司 Steam flow obtaining method and device

Similar Documents

Publication Publication Date Title
CN104048808A (en) Dynamic entropy probe
CN105758470A (en) Distributed force target flowmeter
CN203964971U (en) Bicavate ultrasonic wave gas meter
CN201724700U (en) Measurement pipe section for ultrasonic flowmeter/calorimeter converter with beam function
KR101178038B1 (en) Differential pressure-type mass flow meter with double nozzles
CN203719704U (en) Steam vortex shedding flowmeter capable of measuring multiple parameters
CN103808374A (en) Steam vortex shedding flowmeter measuring multiple parameters
CN205015019U (en) Novel target flowmeter
CN103196502A (en) High-temperature Bi Toba flowmeter
CN101349581B (en) Insert type flow measuring device based on MEMS sensor
CN201262559Y (en) Plug-in flow measuring device based on MEMS sensor
CN105403266B (en) A kind of heavy caliber Ultrasonic water meter automatically corrected and its bearing calibration
CN204944558U (en) A kind of novel vortex street flowmeter
CN204788515U (en) Curved elbow meter of S
CN103438948A (en) Temperature and pressure compensation type high-temperature precession vortex flowmeter
CN201382793Y (en) Differential capacitance target flow transducer
CN203405244U (en) Temperature and pressure compensation type high-temperature vortex precession flowmeter
CN203642972U (en) Gas flow meter
CN102279025A (en) Integrated gas mass flow meter for plug-in sensor integrated component
CN203116777U (en) Steam flow meter
CN112964323A (en) Saturated wet steam mass flow and dryness measuring device and measuring method
CN203132604U (en) High-temperature BTB flow sensor
CN202693159U (en) Reflection-type ultrasonic calorimeter flow tube
CN201159656Y (en) Wet steam flow meter
CN204255418U (en) Heavy caliber ultrasonic measurement pipeline section

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20140521

RJ01 Rejection of invention patent application after publication