CN201828286U - Combustion-gas power station CDM (clean development mechanism) metering device - Google Patents
Combustion-gas power station CDM (clean development mechanism) metering device Download PDFInfo
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- CN201828286U CN201828286U CN2010205304068U CN201020530406U CN201828286U CN 201828286 U CN201828286 U CN 201828286U CN 2010205304068 U CN2010205304068 U CN 2010205304068U CN 201020530406 U CN201020530406 U CN 201020530406U CN 201828286 U CN201828286 U CN 201828286U
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Abstract
The utility model relates to a combustion-gas power station CDM (clean development mechanism) metering device. A methane-flow measuring device mainly comprises a combustion-gas transmission pipeline, a conical gas flowmeter, a gas temperature sensor, a gas pressure sensor and an infrared combustion-gas analyzer, wherein the conical gas flowmeter, the gas temperature sensor, the gas pressure sensor and the infrared combustion-gas analyzer are installed on and connected to the combustion-gas transmission pipeline; a water measuring device mainly comprises a hot-water transmission pipeline, a liquid temperature sensor, a liquid flowmeter, a temperature transmitter, an electromagnetic flowmeter and a signal converter, wherein the liquid temperature sensor and the liquid flowmeter are installed on and connected to the hot-water transmission pipeline, and the temperature transmitter, the electromagnetic flowmeter and the signal converter are mutually connected; a steam-flow measuring device mainly comprises a steam transmission pipeline; a combustion-gas generator set mainly comprises a generator as well as a control cabinet and a high-pressure meter of the generator; and a computer operator station mainly comprises an operator station and a CDM, and the methane-flow measuring device, the water measuring device, the steam-flow measuring device, the combustion-gas generator set and the computer operator station are connected together through RS485 signal buses. The combustion-gas power station CDM metering device has the characteristics that various parameters are rapidly and accurately acquired, processed and archived for future reference and the like, and the device is widely applied to a combustion-gas power station CDM metering process.
Description
One, technical field
The utility model relates to the metering facility of energy-saving and emission-reduction field gas power station carbon emission reduction amount CERs, particularly a kind of gas power station CDM measuring apparatus.
Two, background technology
According to the methodological requirement of CDM, need measure Clean Development Mechanism CDM CER CERs, existing CDM measuring apparatus is mainly used in the wind power generation field, for contribution has been made in CDM CER CERs metering, but it exists following shortcoming or deficiency simultaneously: 1. be mainly used in the wind power generation field, and can not directly apply to the metering of CDM CER CERs; 2. the parameter acquisition processing speed is slow, degree of accuracy is poor; 3. be difficult to meet international CDM methodology required standard, the custom design that gas power station is reduced discharging calculates the CERs value automatically and reaches the carbon emission reduction amount; 4. can not carry out parameter acquisition and handle file for future examination.
Three, summary of the invention
The purpose of this utility model provides a kind of gas power station CDM measuring apparatus, adopt infrared gas alloying apparatus, conical gas flowmeter, gas pressure sensor, gas temperature sensor, liquid flowmeter, fluid temperature sensor, steam-flow meter, vapor (steam) temperature sensor, vapor pressure sensor, RS485 bus, industrial computer but unite utilization structure, the shortcoming or the deficiency that overcome effectively or avoid existing in the above-mentioned prior art.
Gas power station CDM measuring apparatus described in the utility model comprises methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit, computer operator station and RS485 signal bus.Described methane flow measurement comprises fuel gas transportation pipeline and goes up conical gas flowmeter, gas temperature sensor, gas pressure sensor, infrared gas alloying apparatus and interconnective differential pressure transmitter, temperature transmitter, pressure unit, flow integrator, signal converter, the methane concentration analyser that connects is installed; Described water gaging comprises the delivery pipeline and goes up fluid temperature sensor, liquid flowmeter and interconnective temperature transmitter, Electromagnetic Flow that connection is installed and take into account signal converter; Described flow measurement of steam comprises steam conveying pipe and goes up steam-flow meter, vapor (steam) temperature sensor, vapor pressure sensor and interconnective differential pressure transmitter, temperature transmitter, pressure unit and the flow integrator that connects is installed; Described fuel gas generation unit comprises generator and switch board and high-pressure gauge scale; Described computer operator station comprises operator station and CDM, and described methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit and computer operator station are linked together by the RS485 signal bus.
Wherein, described computer operator station and methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit link together by the RS485 signal bus is parallel.Described conical gas flowmeter is connected with differential pressure transmitter, flow rate calculation instrument, signal converter, methane concentration analyser and infrared gas alloying apparatus serial.Described gas temperature sensor is connected with temperature transmitter, flow integrator, signal converter, methane concentration analyser and infrared gas alloying apparatus serial.Described differential pressure transmitter, temperature transmitter, pressure unit and flow rate calculation instrument walk abreast and are connected.Described fluid temperature sensor is connected with temperature transmitter, signal converter serial.Described temperature transmitter, electromagnetic flowmeter and signal converter walk abreast and are connected.Described steam-flow meter, vapor (steam) temperature sensor, vapor pressure sensor walk abreast with pressure transmitter, temperature transmitter, pressure unit respectively and are connected.Described flow rate calculation instrument walks abreast with pressure transmitter, temperature transmitter, pressure unit and is connected.
The utility model has following advantage compared with prior art:
1, various parameter acquisitions are handled quick, accurate;
2, meet international CDM methodology required standard, calculate the CERs value automatically, utilize modern observation and control technology to reach the metering purpose of carbon emission reduction amount CERs, and carry out file for future examination according to the requirement of CDM methodology and the custom design of gas power station reduction of discharging;
3, the data of utilizing liquid flowmeter, fluid temperature sensor, steam-flow meter, vapor (steam) temperature sensor, vapor pressure sensor measurement to arrive, add that according to heat of vaporization the heat difference produces heat, calculate the power station and produce quantity of steam, calculate the corresponding coal-fired CERs value that produces again;
4, the electric energy that metering is sent according to the two-way watt-hour meter of power house high-voltage board, the CERs value of amounting to into standard coal equivalent again and being produced;
5, all parameters are collected industrial computer by the RS485 bus and handle, draw 1,2,3 described CERs value, and carry out file for future examination.
Four, description of drawings
Accompanying drawing is a kind of example structure control principle synoptic diagram of the present utility model
Five, embodiment
Consult accompanying drawing, a kind of gas power station CDM measuring apparatus comprises methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit, computer operator station and RS485 signal bus 16.The methane flow measurement comprises fuel gas transportation pipeline 4 and goes up conical gas flowmeter 1, gas temperature sensor 2, gas pressure sensor 3, infrared gas alloying apparatus 5 and interconnective differential pressure transmitter 17, temperature transmitter 18, pressure unit 19, flow integrator 20, signal converter 21, the methane concentration analyser 22 that connects is installed; Water gaging comprises delivery pipeline 6 and goes up fluid temperature sensor 7, liquid flowmeter 8 and interconnective temperature transmitter 18, electromagnetic flowmeter 23 and the signal converter 21 that connects is installed; Flow measurement of steam 7 comprises steam conveying pipe 9 and goes up steam-flow meter 10, vapor (steam) temperature sensor 11, vapor pressure sensor 12 and interconnective differential pressure transmitter 17, temperature transmitter 18, pressure unit 19 and the flow integrator 20 that connects is installed; The fuel gas generation unit comprises generator 13 and switch board and high-pressure gauge scale 14; The computer operator station comprises operator station 15 and CDM.Methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit and computer operator station are linked together by RS485 signal bus 16.
The computer operator station is walked abreast by RS485 signal bus 16 with methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit and links together.Conical gas flowmeter 1 is connected with differential pressure transmitter 17, flow integrator 20, signal converter 21, methane concentration analyser 22 and infrared gas alloying apparatus 5 serials.Gas temperature sensor 2 is connected with temperature transmitter 18, flow integrator 20, signal converter 21, methane concentration analyser 22 and infrared gas alloying apparatus 5 serials.Differential pressure transmitter 17, temperature transmitter 18, pressure unit 19 and 20 parallel being connected of flow rate calculation instrument.Fluid temperature sensor 7 is connected with temperature transmitter 18, signal converter 21 serials.Temperature transmitter 18, electromagnetic flowmeter 23 and 21 parallel being connected of signal converter.Steam-flow meter 10, vapor (steam) temperature sensor 11, vapor pressure sensor 12 walk abreast and are connected with pressure transmitter 17, temperature transmitter 18, pressure unit 19 respectively.Flow integrator 20 and pressure transmitter 17, temperature transmitter 18,19 parallel being connected of pressure unit.
During the operation metering, flow through combustion gas gas in the fuel gas transportation pipeline 4, measure the current state flow with the conical gas flowmeter 1 and the differential pressure transmitter 17 that are installed on the fuel gas transportation pipeline 4, measure the temperature and pressure of current combustion gas with the gas temperature sensor 2 and the gas pressure sensor 3 that are installed on the fuel gas transportation pipeline 4, by differential pressure transmitter 17, temperature transmitter 18, pressure unit 19, flow integrator 20, signal converter 21, methane concentration analyser 22 calculates the flow of combustion gas under the current mark condition, again combustion gas is measured current gas concentration by thief hatch to infrared gas alloying apparatus 5, flow and gas concentration according to combustion gas under the mark condition draws pure gas flow under the mark condition at last, through RS485 bus 16 data transmission stood 15 to the computer operator.Delivery pipeline 6 flows through the aqueous water of waiting to produce steam, collect the temperature and the flow of current aqueous water by fluid temperature sensor 7 and liquid flowmeter 8, by temperature transmitter 18, electromagnetic flowmeter 23, signal converter 21 after RS485 signal bus 16 stands 15 with data transmission to the computer operator.Steam conveying pipe 9 flows through the steam of generation, by steam-flow meter (10), vapor (steam) temperature sensor 11, vapor pressure sensor 12, collect temperature, flow, the pressure of current steam, by drawing steam mark attitude down-off behind differential pressure transmitter 17, temperature transmitter 18, pressure unit 19 and the flow integrator 20,, RS485 bus 16 stands 15 after being transferred to the computer operator with flow, temperature data.The electricity that fuel gas generation unit 13 sends to transformer high-voltage cabinet high-pressure gauge scale 14, measures generated energy by high-voltage board high-pressure gauge scale 14 after transformer boosts, these data pass to the computer operator through RS485 bus 16 and stand 15.The computing machine of the operator station 15 at computer operator station is according to the standard of international CDM methodology, and substitution RS485 bus 16 transmission parameters calculate carbon emission reduction value CERs automatically, and carry out automatic file for future examination.
Claims (9)
1. gas power station CDM measuring apparatus, comprise methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit, computer operator station and RS485 signal bus, it is characterized in that described methane flow measurement comprises fuel gas transportation pipeline and goes up conical gas flowmeter, gas temperature sensor, gas pressure sensor, infrared gas alloying apparatus and interconnective differential pressure transmitter, temperature transmitter, pressure unit, flow integrator, signal converter, the methane concentration analyser that connection is installed; Described water gaging comprises the delivery pipeline and goes up fluid temperature sensor, liquid flowmeter and interconnective temperature transmitter, Electromagnetic Flow that connection is installed and take into account signal converter; Described flow measurement of steam comprises steam conveying pipe and goes up steam-flow meter, vapor (steam) temperature sensor, vapor pressure sensor and interconnective differential pressure transmitter, temperature transmitter, pressure unit and the flow integrator that connects is installed; Described fuel gas generation unit comprises generator and switch board and high-pressure gauge scale; Described computer operator station comprises operator station and CDM, and described methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit and computer operator station are linked together by the RS485 signal bus.
2. gas power station CDM measuring apparatus according to claim 1 is characterized in that described computer operator station and methane flow measurement, water gaging, flow measurement of steam, fuel gas generation unit link together by the RS485 signal bus is parallel.
3. gas power station CDM measuring apparatus according to claim 1 is characterized in that described conical gas flowmeter is connected with differential pressure transmitter, flow rate calculation instrument, signal converter, methane concentration analyser and infrared gas alloying apparatus serial.
4. gas power station CDM measuring apparatus according to claim 1 is characterized in that described gas temperature sensor is connected with temperature transmitter, flow integrator, signal converter, methane concentration analyser and infrared gas alloying apparatus serial.
5. gas power station CDM measuring apparatus according to claim 1 is characterized in that described differential pressure transmitter, temperature transmitter, pressure unit and flow rate calculation instrument are parallel to be connected.
6. gas power station CDM measuring apparatus according to claim 1 is characterized in that described fluid temperature sensor is connected with temperature transmitter, signal converter serial.
7. gas power station CDM measuring apparatus according to claim 1 is characterized in that described temperature transmitter, electromagnetic flowmeter and signal converter are parallel to be connected.
8. gas power station CDM measuring apparatus according to claim 1 or 5, it is characterized in that described steam-flow meter, vapor (steam) temperature sensor, vapor pressure sensor respectively with pressure transmitter, temperature transmitter, pressure unit is parallel is connected.
9. gas power station CDM measuring apparatus according to claim 1 or 5, it is characterized in that described flow rate calculation instrument with pressure transmitter, temperature transmitter, pressure unit is parallel is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205304068U CN201828286U (en) | 2010-09-07 | 2010-09-07 | Combustion-gas power station CDM (clean development mechanism) metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205304068U CN201828286U (en) | 2010-09-07 | 2010-09-07 | Combustion-gas power station CDM (clean development mechanism) metering device |
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| Publication Number | Publication Date |
|---|---|
| CN201828286U true CN201828286U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205304068U Expired - Fee Related CN201828286U (en) | 2010-09-07 | 2010-09-07 | Combustion-gas power station CDM (clean development mechanism) metering device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222837A (en) * | 2015-09-29 | 2016-01-06 | 中国核动力研究设计院 | A kind of flow measurement of steam method and vapor flow rate measurement mechanism thereof |
| CN105444798A (en) * | 2014-09-30 | 2016-03-30 | 宁波市鄞州区绿州能源利用有限公司 | Landfill gas power generation CDM metering system and calculating method thereof |
-
2010
- 2010-09-07 CN CN2010205304068U patent/CN201828286U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444798A (en) * | 2014-09-30 | 2016-03-30 | 宁波市鄞州区绿州能源利用有限公司 | Landfill gas power generation CDM metering system and calculating method thereof |
| CN105222837A (en) * | 2015-09-29 | 2016-01-06 | 中国核动力研究设计院 | A kind of flow measurement of steam method and vapor flow rate measurement mechanism thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20130907 |