CN103808374A - Steam vortex shedding flowmeter measuring multiple parameters - Google Patents
Steam vortex shedding flowmeter measuring multiple parameters Download PDFInfo
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- 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
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- steam
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- multiple parameters
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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
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.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410047972.6A CN103808374A (en) | 2014-02-11 | 2014-02-11 | Steam vortex shedding flowmeter measuring multiple parameters |
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| CN103808374A true CN103808374A (en) | 2014-05-21 |
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| CN201410047972.6A Pending CN103808374A (en) | 2014-02-11 | 2014-02-11 | Steam vortex shedding flowmeter measuring multiple parameters |
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Cited By (2)
| 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)
| 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 |
-
2014
- 2014-02-11 CN CN201410047972.6A patent/CN103808374A/en active Pending
Patent Citations (6)
| 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)
| 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 |
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Application publication date: 20140521 |
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