CN106706064A - Civil fuel gas energy metering device and method - Google Patents
Civil fuel gas energy metering device and method Download PDFInfo
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- CN106706064A CN106706064A CN201710081660.0A CN201710081660A CN106706064A CN 106706064 A CN106706064 A CN 106706064A CN 201710081660 A CN201710081660 A CN 201710081660A CN 106706064 A CN106706064 A CN 106706064A
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- gas
- combustion gas
- metering device
- energy metering
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
- G01F22/02—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for involving measurement of pressure
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- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a civil fuel gas energy metering device and method. The device comprises an upper meter shell and a lower meter shell. The lower meter shell is arranged on the upper portion of the lower meter shell, an ultrasonic measuring pipeline is transversely mounted in the lower meter shell, one end of the ultrasonic measuring pipeline is communicated with an air inlet, and the other end of the ultrasonic measuring pipeline is communicated with an air outlet. A pair of obliquely arranged ultrasonic transducers is arranged in the ultrasonic measuring pipeline, and a pressure sensor and a temperature sensor are arranged in the upper meter shell. The gas supply volume of fuel gas can be accurately metered, temperature and pressure correction of the gas supply volume of the fuel gas can be achieved, and then energy metering of the fuel gas is achieved.
Description
Technical field
The present invention relates to high-effective building energy-saving field, more particularly to a kind of domestic gas energy metering device and method.
Background technology
It is used as the combustion of the public property of fuel as supply resident living, business (public building) and industrial enterprise's production
Gas, generally comprises natural gas, liquefied petroleum gas and artificial coal gas.As national energy-saving emission reduction policy, pipeline network of fuel gas in city are popularized
" the smooth implementation of West-east Gas engineering, natural gas is quickly become the mostly important source in gas.Natural gas is
A kind of multi-component mixed gaseous fossil fuel, main component is fuel gas alkane, and wherein methane accounts for the overwhelming majority, separately there is few
The ethane of amount, propane, butane, and the non-combustible gas such as a small amount of nitrogen, carbon dioxide.Almost without dust, sulphur after burning
The generation of compound, has the advantages that safety, calorific value are high, clean.
Natural gas is more used as fuel, and it is the caloric value confessed as the core value of clean fuel.It is different
Each constituent content of the natural gas in gas field is simultaneously differed, the gas component content of country variant be likely to it is different, even if
It is that areal, each mining phase of the natural gas in same gas field its composition are likely to difference.Due to the difference of component, same body
Energy produced by long-pending natural gas is different.At this stage by the body of leather diaphragm type gas meter metering gas more than domestic gas
Product, gas company is settled accounts with user by the volume of combustion gas, and the volume of combustion gas can also be sent out under different temperature and pressures
The certain change of life.The essence that natural gas sales are used is the energy of natural gas, rather than volume.Therefore by existing volume
The mode for measuring clearing cannot accurately, intuitively embody value of the natural gas as the energy, be unfavorable for the reasonable utilization of resource and have
Both sides of supply and demand are also irrational by effect configuration.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of domestic gas energy metering device and side
Method, can not only accurate metering gas supply volume, and temperature and pressure amendment can be realized to the supply volume of combustion gas, and then
Realize the energy meter of combustion gas.
To achieve these goals, the present invention uses following technical proposals：
Domestic gas energy metering device, including upper watchcase and lower watchcase, described upper watchcase are located at the top of lower watchcase,
The inner transverse of described lower watchcase is provided with ultrasonic measurement pipeline, one end of described ultrasonic measurement pipeline and air inlet
Connection, the other end of described ultrasonic measurement pipeline is connected with gas outlet；The inside of described ultrasonic measurement pipeline is provided with
A pair diagonally disposed ultrasonic transducers, the inside of described upper watchcase is provided with pressure sensor and temperature sensor.Temperature
The supply volume of combustion gas is carried out temperature by sensor and the temperature and pressure of pressure sensor Real-time Collection combustion gas, ultrasonic wave gas meter
Degree pressure correction, obtains combustion gas volume in normal conditions.Simultaneously known combustion gas mole composition when, by calculate try to achieve
The calorific value of combustion gas, and then try to achieve the combustion gas energy that user is consumed.
Described ultrasonic transducer is located inside the two ends of ultrasonic measurement pipeline, for alternate emission and reception other side
Ultrasonic signal, gather the ultrasonic wave concurrent-countercurrent time difference, and then obtain the volume of combustion gas.
Described ultrasonic measurement pipeline inside is rectangular cavities, five layers is provided with described rectangular cavities and is led at equal intervals
Flow, for uniform incoming flow combustion gas, improves certainty of measurement.
, perpendicular to ultrasonic measurement pipeline, described air inlet and gas outlet is extended to for described air inlet and gas outlet
The top of watchcase.
The metering method of domestic gas energy metering device is：
Combustion gas enters inside combustion gas energy metering device through air inlet, after flow through ultrasonic measurement pipeline, and in flow deflector
Rectified action under so that flow through in six small chambers being divided into due to five flow deflectors inside rectangular cavities and carry out flow distribution
Uniformly；Now, the ultrasonic signal of a pair diagonally disposed ultrasonic transducer alternate emissions and reception other side, the collection time difference obtains
Volume flow q to combustion gas under supply stateg, temperature sensor collecting temperature Tg, pressure sensor collection pressure Pg；
Combustion gas volume q in normal conditionsnFor：
qn=qg(Pg/Pn)(Tn/Tg)(Zn/Zg) (1)
Wherein, PnIt is combustion gas pressure in normal conditions, TnIt is combustion gas temperature in normal conditions, ZnIt is standard shape
Gas deviation factor under state, ZgIt is the gas deviation factor under supply state；
Supply gas pressure of the general natural gas in pipeline is 2000-3000Pa, when in the steam line of city in low pressure, pressure
Contracting factor variations are little, i.e.,：
Zn/Zg=1 (2)
(2) formula substitution (1) formula is obtained：
qn=qg(Pg/Pn)(Tn/Tg) (3)
Combustion gas is regarded as perfect gas, the state equation of perfect gas is：
PV=mRgT (4)
Wherein,
Wherein：P is pressure, and T is absolute temperature, and M is the molal weight of mixture, MiIt is the relative molecular mass of component i,
xiIt is the molar fraction of component i, R is universal gas constant, RgIt is the gas constant of mixture, m is the quality of combustion gas, and N is combustion gas
The sum of each component；
Flowed known combustion gas mole composition when, realize the volume metering of combustion gas to combustion by formula (4)-formula (6)
The conversion of the mass metrology of gas；
The mass calorific value H of combustion gas is：
Wherein：HiIt is the mass calorific value of component i.
Therefore the energy meter of combustion gas is realized by following formula：
E=mH (8)
Wherein：E is the combustion gas energy of user's consumption.
Beneficial effects of the present invention：
Temperature, the temperature and pressure of pressure sensor Real-time Collection combustion gas inside combustion gas energy metering device of the invention
The supply volume of combustion gas is carried out temperature, pressure amendment by power, ultrasonic wave gas meter, obtains combustion gas volume in normal conditions；No
The supply volume of accurate metering gas is only capable of, and temperature and pressure amendment can be realized to the supply volume of combustion gas, and then realized
The energy meter of combustion gas.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the front view of ultrasonic measurement pipeline of the invention；
Fig. 3 is the left view of ultrasonic measurement pipeline of the invention；
Fig. 4 is the top view of ultrasonic measurement pipeline of the invention；
Wherein, the upper watchcases of 1-, watchcase under 2-, 3- air inlets, 4- gas outlets, 5- pressure sensors, 6- temperature sensors, 7-
Ultrasonic measurement pipeline, 8- ultrasonic transducers, 9- ultrasonic signal propagations path, 10- flow deflectors.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
As Figure 1-Figure 4, domestic gas energy metering device, including upper watchcase 1 and lower watchcase 2, described upper watchcase 1
Located at the top of lower watchcase 2, the inner transverse of described lower watchcase 2 is provided with ultrasonic measurement pipeline 7, described ultrasound
The one end in buret road 7 is connected with air inlet 3, and the other end of described ultrasonic measurement pipeline 7 is connected with gas outlet 4；Described
The inside of ultrasonic measurement pipeline 7 is provided with a pair diagonally disposed ultrasonic transducers 8, and the inside of described upper watchcase 1 is provided with
Pressure sensor 5 and temperature sensor 6.Temperature sensor 6 and the temperature and pressure of the Real-time Collection combustion gas of pressure sensor 5, surpass
The supply volume of combustion gas is carried out temperature, pressure amendment by sound wave gas meter, flow meter, obtains combustion gas volume in normal conditions.Exist simultaneously
During mole composition of known combustion gas, the calorific value of combustion gas is tried to achieve by calculating, and then try to achieve the combustion gas energy that user is consumed.
Described ultrasonic transducer 8 is right for alternate emission and reception inside the two ends of ultrasonic measurement pipeline 7
The ultrasonic signal of side, gathers the ultrasonic wave concurrent-countercurrent time difference, and then obtain the volume of combustion gas.
The described inside of ultrasonic measurement pipeline 7 is rectangular cavities, and five layers are provided with described rectangular cavities at equal intervals
Flow deflector 10, for uniform incoming flow combustion gas, improves certainty of measurement.
, perpendicular to ultrasonic measurement pipeline 7, described air inlet 3 and gas outlet 4 prolongs for described air inlet 3 and gas outlet 4
Extend the top of watchcase.
The metering method of domestic gas energy metering device is：
Combustion gas enters inside combustion gas energy metering device through air inlet 3, after flow through ultrasonic measurement pipeline 7, and in water conservancy diversion
Under the rectified action of piece 10 so that flow through coming in six small chambers being divided into due to five flow deflectors 10 inside rectangular cavities
Flow distribution is uniform；Now, the ultrasonic signal of a pair diagonally disposed alternate emissions of ultrasonic transducer 8 and reception other side, adopts
The collection time difference obtains volume flow q of the combustion gas under supply stateg, temperature sensor collecting temperature Tg, pressure sensor collection pressure
Pg；
Combustion gas volume q in normal conditionsnFor：
qn=qg(Pg/Pn)(Tn/Tg)(Zn/Zg) (1)
Wherein, PnIt is combustion gas pressure in normal conditions, TnIt is combustion gas temperature in normal conditions, ZnIt is standard shape
Gas deviation factor under state, ZgIt is the gas deviation factor under supply state；
Supply gas pressure of the general natural gas in pipeline is 2000-3000Pa, when in the steam line of city in low pressure, pressure
Contracting factor variations are little, i.e.,：
Zn/Zg=1 (2)
(2) formula substitution (1) formula is obtained：
qn=qg(Pg/Pn)(Tn/Tg) (3)
Combustion gas is regarded as perfect gas, the state equation of perfect gas is：
PV=mRgT (4)
Wherein,
Wherein：P is pressure, and T is absolute temperature, and M is the molal weight of mixture, MiIt is the relative molecular mass of component i,
xiIt is the molar fraction of component i, R is universal gas constant, RgIt is the gas constant of mixture, m is the quality of combustion gas, and N is combustion gas
The sum of each component；
Flowed known combustion gas mole composition when, realize the volume metering of combustion gas to combustion by formula (4)-formula (6)
The conversion of the mass metrology of gas；
The mass calorific value H of combustion gas is：
Wherein：HiIt is the mass calorific value of component i.
Therefore the energy meter of combustion gas is realized by following formula：
E=mH (8)
Wherein：E is the combustion gas energy of user's consumption.
Although above-mentioned be described with reference to accompanying drawing to specific embodiment of the invention, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (8)
1. domestic gas energy metering device, it is characterised in that including upper watchcase and lower watchcase, described upper watchcase is located at following table
The top of shell, the inner transverse of described lower watchcase is provided with ultrasonic measurement pipeline, and the one of described ultrasonic measurement pipeline
End is connected with air inlet, and the other end of described ultrasonic measurement pipeline is connected with gas outlet；Described ultrasonic measurement pipeline
Inside be provided with a pair diagonally disposed ultrasonic transducers, the inside of described upper watchcase is provided with pressure sensor and temperature is passed
Sensor.
2. domestic gas energy metering device as claimed in claim 1, it is characterised in that described ultrasonic transducer is located at
Inside the two ends of ultrasonic measurement pipeline, for alternate emission and the ultrasonic signal of reception other side, ultrasonic wave concurrent-countercurrent is gathered
The time difference.
3. domestic gas energy metering device as claimed in claim 2, it is characterised in that in described ultrasonic measurement pipeline
Portion is rectangular cavities, and five layers of equidistant flow deflector are provided with described rectangular cavities.
4. domestic gas energy metering device as claimed in claim 1, it is characterised in that described air inlet and gas outlet are hung down
Directly in ultrasonic measurement pipeline, described air inlet and gas outlet extends to the top of watchcase.
5. the metering method of the domestic gas energy metering device as described in claim 1-4 is any, it is characterised in that combustion gas is passed through
Air inlet enters inside combustion gas energy metering device, after flow through ultrasonic measurement pipeline, and under the rectified action of flow deflector, make
Must flow through in six small chambers being divided into due to five flow deflectors inside rectangular cavities to carry out flow distribution uniform；Now, a pair
Diagonally disposed ultrasonic transducer alternate emission and the ultrasonic signal of reception other side, the collection time difference obtain combustion gas in supply shape
Volume flow q under stateg, temperature sensor collecting temperature Tg, pressure sensor collection pressure Pg。
6. the metering method of domestic gas energy metering device as claimed in claim 5, it is characterised in that combustion gas is in standard shape
Volume q under statenFor：
qn=qg(Pg/Pn)(Tn/Tg)(Zn/Zg) (1)
Wherein, PnIt is combustion gas pressure in normal conditions, TnIt is combustion gas temperature in normal conditions, ZnFor under standard state
Gas deviation factor, ZgIt is the gas deviation factor under supply state.
7. the metering method of domestic gas energy metering device as claimed in claim 6, it is characterised in that city steam line
It is interior in low pressure when：
Zn/Zg=1 (2)
(2) formula substitution (1) formula is obtained：
qn=qg(Pg/Pn)(Tn/Tg) (3)
Combustion gas is regarded as perfect gas, the state equation of perfect gas is：
PV=mRgT (4)
Wherein,
Wherein：P is pressure, and T is absolute temperature, and M is the molal weight of mixture, MiIt is the relative molecular mass of component i, xiFor
The molar fraction of component i, R is universal gas constant, RgIt is the gas constant of mixture, m is the quality of combustion gas, and N is that combustion gas is each
The sum of individual component.
8. the metering method of domestic gas energy metering device as claimed in claim 7, it is characterised in that combustion is flowed known
During mole composition of gas, the conversion of the volume metering of combustion gas to the mass metrology of combustion gas is realized by formula (4)-formula (6)；
The mass calorific value H of combustion gas is：
Wherein：HiIt is the mass calorific value of component i.
The energy meter of combustion gas is realized by following formula：
E=mH (8)
Wherein：E is the combustion gas energy of user's consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081660.0A CN106706064A (en) | 2017-02-15 | 2017-02-15 | Civil fuel gas energy metering device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081660.0A CN106706064A (en) | 2017-02-15 | 2017-02-15 | Civil fuel gas energy metering device and method |
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| Publication Number | Publication Date |
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| CN106706064A true CN106706064A (en) | 2017-05-24 |
Family
ID=58909219
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081660.0A Pending CN106706064A (en) | 2017-02-15 | 2017-02-15 | Civil fuel gas energy metering device and method |
Country Status (1)
| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534871A (en) * | 2018-05-08 | 2018-09-14 | 合肥精特仪表有限公司 | A kind of energy measurement of natural gas checking system |
| CN109164241A (en) * | 2018-09-29 | 2019-01-08 | 广州南控自动化设备有限公司 | A kind of combustion gas quality detection system and combustion gas quality detection method |
| CN112946167A (en) * | 2021-02-04 | 2021-06-11 | 成都秦川物联网科技股份有限公司 | Energy metering perception control method and system based on chromatography and ultrasonic waves |
| WO2022105081A1 (en) * | 2020-11-19 | 2022-05-27 | 上海真兰仪表科技股份有限公司 | Gas energy metering flowmeter |
| US11796528B2 (en) | 2021-02-04 | 2023-10-24 | Chengdu Qinchuan Iot Technology Co., Ltd. | Method and system for measuring energy of natural gas |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202471147U (en) * | 2012-02-17 | 2012-10-03 | 郑州引领科技有限公司 | Ultrasonic gas meter |
| CN202485728U (en) * | 2012-01-14 | 2012-10-10 | 丹东东发(集团)股份有限公司 | Standard ultrasonic gas meter |
| CN203148480U (en) * | 2013-03-18 | 2013-08-21 | 武汉四方光电科技有限公司 | Ultrasound gas meter |
| CN103542904A (en) * | 2013-10-29 | 2014-01-29 | 成都千嘉科技有限公司 | Fuel gas metering method and device based on energy metering |
| US20140303909A1 (en) * | 2013-04-08 | 2014-10-09 | Western Energy Support & Technology, Inc. | Ultrasonic Meter Flow Measurement Monitoring System |
| CN104949725A (en) * | 2015-06-25 | 2015-09-30 | 苏州市英富美欣科技有限公司 | Gas flow collection device based on temperature and pressure intensity compensation |
| CN205898218U (en) * | 2016-08-05 | 2017-01-18 | 武汉亿能科创环保技术有限公司 | Take marsh gas recognition function's ultrasonic wave gas flowmeter |
-
2017
- 2017-02-15 CN CN201710081660.0A patent/CN106706064A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202485728U (en) * | 2012-01-14 | 2012-10-10 | 丹东东发(集团)股份有限公司 | Standard ultrasonic gas meter |
| CN202471147U (en) * | 2012-02-17 | 2012-10-03 | 郑州引领科技有限公司 | Ultrasonic gas meter |
| CN203148480U (en) * | 2013-03-18 | 2013-08-21 | 武汉四方光电科技有限公司 | Ultrasound gas meter |
| US20140303909A1 (en) * | 2013-04-08 | 2014-10-09 | Western Energy Support & Technology, Inc. | Ultrasonic Meter Flow Measurement Monitoring System |
| CN103542904A (en) * | 2013-10-29 | 2014-01-29 | 成都千嘉科技有限公司 | Fuel gas metering method and device based on energy metering |
| CN104949725A (en) * | 2015-06-25 | 2015-09-30 | 苏州市英富美欣科技有限公司 | Gas flow collection device based on temperature and pressure intensity compensation |
| CN205898218U (en) * | 2016-08-05 | 2017-01-18 | 武汉亿能科创环保技术有限公司 | Take marsh gas recognition function's ultrasonic wave gas flowmeter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534871A (en) * | 2018-05-08 | 2018-09-14 | 合肥精特仪表有限公司 | A kind of energy measurement of natural gas checking system |
| CN109164241A (en) * | 2018-09-29 | 2019-01-08 | 广州南控自动化设备有限公司 | A kind of combustion gas quality detection system and combustion gas quality detection method |
| WO2022105081A1 (en) * | 2020-11-19 | 2022-05-27 | 上海真兰仪表科技股份有限公司 | Gas energy metering flowmeter |
| CN112946167A (en) * | 2021-02-04 | 2021-06-11 | 成都秦川物联网科技股份有限公司 | Energy metering perception control method and system based on chromatography and ultrasonic waves |
| CN112946167B (en) * | 2021-02-04 | 2022-05-27 | 成都秦川物联网科技股份有限公司 | Energy metering perception control method and system based on chromatography and ultrasonic waves |
| US11796528B2 (en) | 2021-02-04 | 2023-10-24 | Chengdu Qinchuan Iot Technology Co., Ltd. | Method and system for measuring energy of natural gas |
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Application publication date: 20170524 |