CN201561969U - Coal component real-time measuring device - Google Patents
Coal component real-time measuring device Download PDFInfo
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- CN201561969U CN201561969U CN2009202719273U CN200920271927U CN201561969U CN 201561969 U CN201561969 U CN 201561969U CN 2009202719273 U CN2009202719273 U CN 2009202719273U CN 200920271927 U CN200920271927 U CN 200920271927U CN 201561969 U CN201561969 U CN 201561969U
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- gas
- coal
- elemental composition
- time measurement
- flue gas
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- 239000002864 coal component Substances 0.000 title abstract 2
- 239000003245 coal Substances 0.000 claims abstract description 58
- 238000005070 sampling Methods 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000004868 gas analysis Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 56
- 239000003546 flue gas Substances 0.000 claims description 39
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 38
- 238000005259 measurement Methods 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 20
- 239000000523 sample Substances 0.000 claims description 15
- 239000003085 diluting agent Substances 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000002496 oximetry Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
The utility model provides a coal component real-time measuring device. The device comprises a flow meter, a smoke sampling device, a gas tank, a filter system and a gas analysis device, wherein the flow meter is used for monitoring smoke flow in a horizontal flue, and the smoke sampling device is used for sampling smoke in the horizontal flue; the gas tank and the filter system are connected with the smoke sampling device and used for collecting and filtering smoke collected by the smoke sampling device; the gas analysis device is connected with the gas tank and the filter system, and used for analyzing smoke filtered; the gas tank, the filter system and the gas analysis device are all arranged in a small measuring room. The device is a system indirectly realizing coal element analysis and heat productivity real-time monitoring.
Description
Technical field
The utility model relates to the coal property test technical field, particularly a kind of coal elemental composition real-time measurement apparatus.
Background technology
Along with developing rapidly of China's power industry, the considerable coal-fired boiler unit has become the main unit of thermal power generation.In recent years, the security and the economy problems of boiler unit operation become increasingly conspicuous, and especially boiler uses a series of problems that the coal instability is brought, and is seriously restricting the unit safety economical operation.Because purchased, the influence of aspects such as transfer, transportation, the coal quantity of most of fuel-burning power plant can not get guaranteeing that the coal that boiler used is various, and often changes.Coal is changeable to have become one of main crux that influences the coal-fired unit safety and economic operation of thermal power plant.At present, the general coal analysis method in coal-burning power plant is through links such as over-sampling, division, sample preparation, chemical examinations, this process generally needs the time more than 8 hours, also exists outstanding coal analysis sample representation problem (the power plant's problem that especially often uses mixed coal is more outstanding) simultaneously.The boiler operatiopn personnel are not because of there being coal analysis means fast and accurately, can't in time grasp the ature of coal situation and take corresponding adjustment measure, since coal change cause boiler output deficiency, thermal loss greatly, the powder process ability drop, boiler coke, dust stratification, the situation such as blow out of stopping working happen occasionally.Except that ature of coal to safety and economic operation influential, the ature of coal problems of measurement also is one of key problem that has a strong impact on power plant such as coal-fired clearing, coal yard management, cost accounting.
Accurately measuring in real time of the coal-fired ature of coal of thermal power plant has key effect to power plant soot clearing, coal yard management, burning adjustment, cost accounting, energy-saving safe etc., but the coal content on-line measurement is domestic and international coal and great technical barrier of power industry always.Therefore, how designing a kind of measurement mechanism of real-time survey coal, is the direction place of those skilled in the art institute desire research.
Summary of the invention
Fundamental purpose of the present utility model provides a kind of coal elemental composition real-time measurement apparatus, and this device is by measuring flue operational factors such as boiler, coal pulverizer and air preheater, realizing the real-time monitoring system of stove ultimate analysis of coal and thermal value indirectly.
In order to achieve the above object, the utility model provides a kind of coal elemental composition real-time measurement apparatus, and it comprises
One flowmeter, described flowmeter are used to monitor the flue gas flow in the horizontal flue;
One flue gas sampling device, described flue gas sampling device be used to the to sample flue gas of described horizontal flue;
One gas tank and filtering system, it links to each other with described flue gas sampling device, is used for the flue gas that described flue gas sampling device is gathered is collected and filtered;
One gas analyzing apparatus, it links to each other with described gas tank and filtering system, is used to analyze described filtered smoke gas; Wherein, described gas tank and filtering system and described gas analyzing apparatus all are arranged in the measurement cabin.
In the preferable embodiment, described flow is counted venturi flow velocity and flowmeter.
In the preferable embodiment, described gas tank and filtering system are to link to each other with described flue gas sampling device by a trace pipe.
In the preferable embodiment, described gas analyzing apparatus links to each other with described gas tank and filtering system by a gas analysis conduit.
In the preferable embodiment, described gas analyzing apparatus is a gas analyzer, is used for analyzing and monitoring the SO of described flue gas
2, CO
2, CO, NO
XGas.
In the preferable embodiment, also comprise a laser dust gauge, this laser dust gauge is used for measuring described horizontal flue exhaust gas dust concentration.
In the preferable embodiment, also comprise an oximetry system, it is used for measuring the content of described horizontal flue oxygen.
In the preferable embodiment, also comprise a gas sampling system, this gas sampling system is used to gather multiple gases, and described gas sampling system comprises an Infrared survey primary transducer, adopts probe and probe controller.
In the preferable embodiment, in described measurement cabin, a diluent air system is set also, the purification of the flue gas that this diluent air system is used to take a sample is measured again, and described diluent air system comprises an air cleaning unit, a dehydrator and a surge tank.
In the preferable embodiment, also comprise a calibration system, this calibration system is used for system after the operation long period, and the precision of the device in the device is carried out verification, skew can not occur to guarantee measurement result.
Compared with prior art, the beneficial effects of the utility model are: this device is by measuring flue operational factors such as boiler, coal pulverizer and air preheater, can realizing the real-time monitoring into stove ultimate analysis of coal and thermal value indirectly, and have effect preferably.
Description of drawings
Fig. 1 is that the utility model coal elemental composition real-time measurement apparatus is formed synoptic diagram;
Fig. 2 is the utility model part of data acquisition synoptic diagram.
Description of reference numerals: 10-flowmeter; The 20-horizontal flue; 30-flue gas sampling device; 40-gas tank and filtering system; The 41-trace pipe; The 50-gas analyzing apparatus; 51-gas analysis conduit; The 60-air compressor machine; 70-gas bottle; The 80-electrical control cubicles; 81-measures lead; 9-measures cabin; The 101-data collecting card; The 1011-channel selection circuit; The 1012-gain-programmed amplifier; The 1013-A/D converter; The 1014-photoelectric isolating circuit; The 102-computing machine.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned.
As shown in Figure 1, form synoptic diagram for the utility model coal elemental composition real-time measurement apparatus, it comprises:
One flowmeter 10, described flowmeter 10 are used to monitor the flue gas flow in the horizontal flue 20, and wherein, described flowmeter 10 is venturi flow velocity and flowmeter; What venturi flow velocity and flowmeter junction were come all is analog electrical signal, and conversion arrives industrial computer through modulus (A-D) for it, enters computing machine through the processing of industrial computer.
One flue gas sampling device 30, described flue gas sampling device 30 be used to the to sample flue gas of described horizontal flue 20;
One gas tank and filtering system 40, it links to each other with described flue gas sampling device 30, and it is used for the flue gas that described flue gas sampling device 30 is gathered is collected and filtered; Wherein, described gas tank and filtering system 40 are to link to each other with described flue gas sampling device 30 by a trace pipe 41, and described gas tank and filtering system 40 are located at one and measure in the cabin 9.
One gas analyzing apparatus 50, it links to each other with described gas tank and filtering system 40, is used to analyze described filtered smoke gas; Wherein, described gas analyzing apparatus 50 can link to each other with described gas tank and filtering system 40 by gas analysis conduit 51; Described gas analyzing apparatus 50 can be a gas analyzer, is used for analyzing and monitoring the SO of described flue gas
2, CO
2, CO, NO
XDeng gas, described gas analyzing apparatus 50 also is located at and is measured in the cabin 9.
One air compressor machine 60 and a gas bottle 70 also are set in described measurement cabin 9, and air compressor machine 60 is used for purging cleaning, and pressurized air is provided; Gas bottle 70 is for the standard gas sample of the check usefulness that provides for the precision of protecting measurement is provided after gasmetry after a while; Also comprise an electrical control cubicles 80, this electrical control cubicles 80 is shelfs of an erecting equipment, and it is necessary to be that computing machine, sampling and measuring device, airtight protection acquisition system are installed in data acquisition.Described electrical control cubicles 80 links to each other with described flowmeter 10 by measuring lead 81.
The utility model is by flue dust, carbon dioxide, oxides of nitrogen, carbonomonoxide concentration and the total emission volumn etc. of 20 li of flowmeter 10 and flue gas sampling device 30 continuous detecting horizontal flues, and a secondary data is gathered from each data channel by per 30 seconds of system.Be the continuity that guarantees that system data is gathered, consistance and integrality are finished data acquisition and analog-digital conversion function with the exclusive data capture card.Data collecting card collects simulating signal from each analytical instrument, converts thereof into digital quantity and is input in the computing machine and handles.
As shown in Figure 2, be the utility model part of data acquisition synoptic diagram, described part of data acquisition is a data collecting card 101, this data collecting card 101 comprises channel selection circuit 1011, gain-programmed amplifier 1012, A/D converter 1013, photoelectric isolating circuit 1014, simulated data after the collection enters A/D converter 1013 through channel selection circuit 1011 and is converted to numerical data, enters computing machine 102 through photoelectric isolating circuit 1014 then, is handled by computing machine 102.
Write down a secondary data per 30 seconds by the on-site computer input control signal by the PLC measuring equipment, return to on-site computer and calculate also input database.Because the flue gas data are also not exclusively corresponding in time with the furnace coal weight data, flue gas data and the time delay of going into stove coal data can the data and curves contrast by separately determine or judge, get with to go into flue gas data that stove coal data were separated by for 30 seconds corresponding and get the average data of every data in 10 minutes and calculate in this simulation boiler combustion situation by experience.The flue gas data were also determined by the empirical data of different model boiler with the time delay of going into stove coal data.
The utility model also can comprise a laser dust gauge, and this laser dust gauge is used for measuring horizontal flue 20 exhaust gas dust concentration, and its measurement result is transferred to computing machine 102 by data collecting card 101 and handles.
The utility model also can comprise an oximetry system, and it is used for measuring the content of horizontal flue 20 oxygen, and its measurement result also is to be transferred to computing machine 102 by data collecting card 101 to handle.
The utility model also comprises a gas sampling system, multiple gases can be gathered by this gas sampling system, it comprises an Infrared survey primary transducer, adopts probe and probe controller etc., and its measurement result is transferred to computing machine 102 by data collecting card 101 and handles.
In described measurement cabin 9, one diluent air system also is set, the purification of the flue gas that this diluent air system is used to take a sample is measured again, to inevitably influence measurement effect owing to contain moisture in the flue gas, described will the dehumidifying earlier, therefore, described diluent air system can comprise an air cleaning unit, a dehydrator and a surge tank.The measurement result of described diluent air system is transferred to computing machine 102 by data collecting card 101 and handles.
The utility model can also comprise a calibration system, and this calibration system is used for system after the operation long period, and the precision of above-mentioned device is carried out verification, skew can not occur to guarantee measurement result.
In sum, this device is by measuring the real time monitoring that flue operational factors such as boiler, coal pulverizer and air preheater realize stove ultimate analysis of coal and thermal value indirectly.It at first utilizes the component characteristic and the conservation of matter principle of ature of coal, set up the balance equation between coal elements composition and the smoke components, calculate thermal value by the coal elements composition again, calculate boiler efficiency in conjunction with Gas Parameters and boiler parameter, and set out by the parameter that needs are measured, choose suitable fume component analysis instrument, measuring equipments such as flow instrument, structure one overlaps complete monitoring Gas Parameters and is the on-line monitoring system that calculates the coal elemental composition service, it not only comprises surveying instruments such as hardware sensor, and provide one to overlap software for calculation, can obtain flue gas in real time, parameter that boiler operatiopns such as ature of coal are relevant and the database of setting up historical data, utilize boiler efficiency and other boiler operating parameters to set up the coal analysis model at last, obtain results of elemental analyses and heating value.
Therefore, the final function that realizes of the utility model has:
1, monitors smoke components: O2, CO2, CO, SO2, SO3, NO, NO2, H2O in real time;
2, monitor flue gas flow, temperature in real time;
3, provide boiler efficiency, reckoning steam turbine efficient, efficiency of generator in real time;
4, provide unit standard coal consumption, actual coal consumption, current furnace coal weight, cost of electricity-generating etc. in real time;
5, give come in and go out stove calorific value of coal, coal elemental composition (ultimate analysis) parameter in real time;
6, Real-Time Evaluation is gone into stove coal safety indexes, economic index, feature of environmental protection index;
7, by wind powder on-line measurement data, operation proposes instruction to boiler wind speed adjustment.
More than explanation is just illustrative for the utility model; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.
Claims (10)
1. a coal elemental composition real-time measurement apparatus is characterized in that it comprises
One flowmeter, described flowmeter are used to monitor the flue gas flow in the horizontal flue;
One flue gas sampling device, described flue gas sampling device be used to the to sample flue gas of described horizontal flue;
One gas tank and filtering system, it links to each other with described flue gas sampling device, is used for the flue gas that described flue gas sampling device is gathered is collected and filtered;
One gas analyzing apparatus, it links to each other with described gas tank and filtering system, is used to analyze described filtered smoke gas; Wherein, described gas tank and filtering system and described gas analyzing apparatus all are arranged in the measurement cabin.
2. a kind of coal elemental composition real-time measurement apparatus according to claim 1 is characterized in that described flow is counted venturi flow velocity and flowmeter.
3. a kind of coal elemental composition real-time measurement apparatus according to claim 1 is characterized in that, described gas tank and filtering system are to link to each other with described flue gas sampling device by a trace pipe.
4. a kind of coal elemental composition real-time measurement apparatus according to claim 1 is characterized in that, described gas analyzing apparatus links to each other with described gas tank and filtering system by a gas analysis conduit.
5. a kind of coal elemental composition real-time measurement apparatus according to claim 1 is characterized in that described gas analyzing apparatus is a gas analyzer, is used for analyzing and monitoring the SO of described flue gas
2, CO
2, CO, NO
XGas.
6. a kind of coal elemental composition real-time measurement apparatus according to claim 1 is characterized in that, also comprises a laser dust gauge, and this laser dust gauge is used for measuring described horizontal flue exhaust gas dust concentration.
7. a kind of coal elemental composition real-time measurement apparatus according to claim 1 is characterized in that also comprise an oximetry system, it is used for measuring the content of described horizontal flue oxygen.
8. a kind of coal elemental composition real-time measurement apparatus according to claim 1, it is characterized in that, also comprise a gas sampling system, this gas sampling system is used to gather multiple gases, and described gas sampling system comprises an Infrared survey primary transducer, adopts probe and probe controller.
9. a kind of coal elemental composition real-time measurement apparatus according to claim 1, it is characterized in that, in described measurement cabin, one diluent air system also is set, the purification of the flue gas that this diluent air system is used to take a sample is measured again, and described diluent air system comprises an air cleaning unit, a dehydrator and a surge tank.
10. a kind of coal elemental composition real-time measurement apparatus according to claim 1, it is characterized in that, also comprise a calibration system, this calibration system is used for system after the operation long period, precision to the device in the device is carried out verification, skew can not occur to guarantee measurement result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202719273U CN201561969U (en) | 2009-12-14 | 2009-12-14 | Coal component real-time measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202719273U CN201561969U (en) | 2009-12-14 | 2009-12-14 | Coal component real-time measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN201561969U true CN201561969U (en) | 2010-08-25 |
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ID=42627117
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202719273U Expired - Fee Related CN201561969U (en) | 2009-12-14 | 2009-12-14 | Coal component real-time measuring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128911A (en) * | 2010-11-30 | 2011-07-20 | 王运虎 | Dust remover side accurate measurement system |
| CN105842272A (en) * | 2016-05-30 | 2016-08-10 | 武汉钢铁股份有限公司 | Coking coal critical temperature test method |
| CN107860763A (en) * | 2017-10-31 | 2018-03-30 | 华中科技大学 | Alkali metal and the on-line monitoring method and device of trace element concentration in a kind of gas |
| CN108959339A (en) * | 2018-04-03 | 2018-12-07 | 北京英思创科技有限公司 | The big data analysis method of coal elemental composition real-time and precise detection device |
-
2009
- 2009-12-14 CN CN2009202719273U patent/CN201561969U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128911A (en) * | 2010-11-30 | 2011-07-20 | 王运虎 | Dust remover side accurate measurement system |
| CN105842272A (en) * | 2016-05-30 | 2016-08-10 | 武汉钢铁股份有限公司 | Coking coal critical temperature test method |
| CN107860763A (en) * | 2017-10-31 | 2018-03-30 | 华中科技大学 | Alkali metal and the on-line monitoring method and device of trace element concentration in a kind of gas |
| CN108959339A (en) * | 2018-04-03 | 2018-12-07 | 北京英思创科技有限公司 | The big data analysis method of coal elemental composition real-time and precise detection device |
| CN108959339B (en) * | 2018-04-03 | 2019-08-06 | 北京英思创科技有限公司 | The big data analysis method of coal elemental composition real-time and precise detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN ZHIKAI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHOU YINGBIAO Effective date: 20150216 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150216 Address after: 430074 Hubei city of Wuhan province Kuanshan village Hongshan District Lengshuipu Huale Business Center No. 1013 Patentee after: Wuhan wisdom Technology Co., Ltd. Address before: 430074 No. 129, west two, Huazhong University of Science and Technology, Hubei, Wuhan, 402 Patentee before: Zhou Yingbiao |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20161214 |