CN102426160A - Online gas-solid two-phase detection method for coal characteristics based on laser induction, and apparatus thereof - Google Patents
Online gas-solid two-phase detection method for coal characteristics based on laser induction, and apparatus thereof Download PDFInfo
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Abstract
The present invention provides an online gas-solid two-phase detection method for coal characteristics based on laser induction, and an apparatus thereof. The apparatus comprises a sampling pipe, a coal powder conveying pipe, a cyclone separator, a coal powder falling pipe, a measurement room and a spectrum detection system. The detection method comprises that: the coal powder is subjected to continuous sampling at a proper position on an air-powder pipeline by the sampling pipe, wherein the air-powder pipeline is arranged between a coal mill outlet and a burner inlet; a cycle process of sampling, measuring and returning of the coal powder is realized with the effect of compressed air. According to the present invention, with adopting the measurement system of the measurement method, the taken gas-solid two-phase coal powder particles can be subjected to laser detection only after the simple gas-solid separation by the cyclone separator, and the sample preparing is not required; the gas conveying manner is adopted, and the mechanical transmission apparatus is not used so as to contribute to long term and reliable operation of the whole apparatus in the field environment, and really realize the online detection of the coal characteristics.
Description
Technical field
The present invention relates to laser diagnostics and field of measuring technique, be specifically related to gas-solid two phase detection method and devices based on the online detection of induced with laser coal characteristic.
Background technology
Along with the continuous development of industry, the coal energy day has been becoming tight, cause to the mass component of coal and burning efficiency require increasingly high.Traditional method is to carry out off-line analysis after raw coal is sampled, and generally needs several hrs from sampling, sample preparation to quoting of assay, and testing result seriously lags behind boiler combustion.This has not only caused the waste of the energy to a certain extent; Be unfavorable for the real-time control of unit and optimize operation; Therefore employing is advanced, analysis means has become the task of top priority fast; Particularly develop effective ature of coal real-time monitoring system, make testing result directly feed back to the operation control center of boiler combustion, instruct the boiler combustion optimization operation.Change according to ature of coal, in time adjust boiler combustion process, realize the high-efficiency low-pollution operation of coal-burning boiler, this has crucial meaning for improving efficiency of energy utilization with reducing coal burning pollution and improving grid stability.
In the last few years; Along with some ature of coal in-line analyzers have appearred in the development of technology successively, ripe relatively in the market ature of coal fast analyser mainly is based on the coal analysis instrument of X-ray fluorescence spectra analytical technology and based on the coal analysis instrument of gamma-rays technology and neutron activation analysis technological (PGNAA).The X-ray fluorescence spectra analytical technology is longer measuring period, and analysis precision is relatively poor, generally can only analyze atomic weight greater than 23 element, and receive the influence of coal big, needs often to proofread and correct at run duration.There is very big potential safety hazard in gamma-rays to human body in the neutron prompt gamma ray activation analysis technology, and dual energy gamma ray projective method measuring accuracy receives heavily to become the influence of grey mineral (like iron) content fluctuation bigger, and error is bigger.The technical sophistication of this kind equipment, investment is big, and is difficult for demarcating.
LIBS (Laser-Induced Breakdown Spectroscopy; LIBS) technology adopts the bring out instrument of pulse laser as emission spectrographic analysis; Rely on need not or simple sample pretreatment, to advantages such as the little damage of sample and multielement detect simultaneously and rapidly; Progressively develop into a kind of potential industrial process online measuring technique, attempted being applied to the quality control or the condition diagnosing of various industrial processs.In the online detection of coal dust, more can effectively react the burner hearth coal characteristic to the online detection of going into the stove coal, be used to instruct boiler combustion.Export to burner hearth from coal pulverizer; Coal dust is through a wind coal dust to be sent into the burner hearth internal combustion, is the potpourri of wind and coal dust in the wind powder pipe road---gas-solid two mutually, what we will realize is that the solid matter in the gas-solid two is mutually detected; And LIBS is when detecting for the solid matter under this gas-solid two phase states; Be to utilize carrier to adhere to or the solid sample that takes out is piled up often, utilize scraper plate with its strickling and then detect, need mechanical drive and auxiliary equipment; This has increased the complicacy of checkout equipment to a certain extent; Be unfavorable for the on-line analysis device reliability of long-time running at the scene, and have certain delay, be not suitable for the requirement of industrial online application.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency that prior art exists, provide based on online gas-solid two phase detection method and the devices of induced with laser coal characteristic.The present invention detects gas-solid two phase pulverized coal particles stream, through laser directly with the interaction of the pulverized coal particle that falls, realize the online detection of stove coal coal characteristic.Correct position perforate on the wind powder pipe road between coal pulverizer outlet and the burner inlet; Utilize pressurized air to form certain negative pressure in the junction of stopple coupon and coal dust delivery pipe; Pulverized coal flow in the wind powder pipe road is drawn; Coal dust obtains continuously in the realization wind powder pipe road; Utilize cyclone separator that the pulverized coal flow that takes out is carried out simple gas solid separation then, the pulverized coal flow after the separation is transported to measuring chamber through the coal dust drop pipe, utilizes laser directly the gas-solid two phase pulverized coal particles stream that falls to be detected.The detection method that is adopted; There is not mechanical driving device; Be used to ensure the long-term on-the-spot reliability of operation of analytical equipment, solved online detection measuring method of stove coal and device complicated problems, can realize going into real-time, continuous, the express-analysis of stove coal; Analysis result is shown, offer relevant control system.Concrete technical scheme of the present invention is following.
Based on the online gas-solid two phase pick-up units of induced with laser coal characteristic; Comprise stopple coupon, coal dust delivery pipe, cyclone separator, coal dust drop pipe, measuring chamber and spectral detection system; Stopple coupon one end penetrates in the perforate on the wind powder pipe road between coal pulverizer outlet and the burner inlet, and the stopple coupon other end links to each other with two branches of coal dust delivery pipe, and a branch of coal dust delivery pipe is connected with the inlet of cyclone separator; Another branch of coal dust delivery pipe links to each other with pressurized container; The feed opening of cyclone separator is connected with an end of coal dust drop pipe, and the other end of coal dust drop pipe is connected with the measuring chamber inlet, and the measuring chamber outlet links to each other with two branches of coal dust loopback pipe; One of them branch of coal dust loopback pipe is connected with the wind powder pipe road, and another branch links to each other with pressurized container; Measuring chamber is provided with the said spectral detection system that is used for through gas-solid two phase pulverized coal particle flow measurement coal characteristics.
Above-mentioned based in the online gas-solid two phase pick-up units of induced with laser coal characteristic, said spectral detection system comprises laser induced breakdown spectrograph.
Above-mentioned based in the online gas-solid two phase pick-up units of induced with laser coal characteristic; Said spectral detection system comprises laser instrument, fibre-optical probe, optical fiber, spectrometer, computing machine, be used for laser focusing at the condenser lens of the gas-solid two phase pulverized coal particles stream of measuring chamber be used to collect the light receiving microscopy group of the atomic spectrum signal that pulverized coal particle stream excites; Said condenser lens and light receiving microscopy group are installed in the measuring chamber; Laser instrument links to each other with computing machine; The signal that the light receiving microscopy group is collected is coupled through fibre-optical probe, and fibre-optical probe is connected with spectrometer through optical fiber, and spectrometer is connected with computing machine.
Above-mentioned based in the online gas-solid two phase pick-up units of induced with laser coal characteristic; The branch that coal dust loopback Guan Zhongyu pressurized container connects is provided with the variable valve that is used to adjust compressed-air actuated working pressure size, also is provided with and is used to adjust the big or small variable valve of compressed-air actuated working pressure in the coal dust delivery pipe with in the branch that pressurized container is connected.
Above-mentioned based in the online gas-solid two phase pick-up units of induced with laser coal characteristic, the coal dust drop pipe adopts the reducing pipe, and necking end is arranged in measuring chamber.
Above-mentioned based in the online gas-solid two phase pick-up units of induced with laser coal characteristic, the pressurized air that utilizes pressurized container to provide forms negative pressure in the junction of stopple coupon and coal dust delivery pipe, realizes the continuous acquisition of pulverized coal flow in the wind powder pipe road; After the pulverized coal flow that takes out carried out gas solid separation through cyclone separator, gas-solid two phase pulverized coal flows were transported in the measuring chamber through the coal dust drop pipe, utilized the LIBS technology that the carrying out of gas-solid two phase pulverized coal particles stream directly measured again.
Above-mentioned based in the online gas-solid two phase pick-up units of induced with laser coal characteristic; In measuring chamber; Behind the condenser lens of the pulse laser that laser instrument sends in being fixed on measuring chamber with the pulverized coal particle stream effect in coal dust drop pipe exit; Form plasma and luminous, the atomic spectrum signal that is excited is collected, with signal of collecting and fibre-optical probe coupling by the light receiving microscopy group that is installed in the measuring chamber; Realize the collection of spectroscopic data in the spectrometer through Optical Fiber Transmission, the data transmission of gathering is analyzed, handled and show to computing machine.
Above-mentioned based in the online gas-solid two phase pick-up units of induced with laser coal characteristic; The pressurized air that utilizes pressurized container to provide forms negative pressure in the junction of measuring chamber outlet and coal dust loopback pipe; Be implemented under the compressed-air actuated effect, the coal dust that has detected is sent back in the airduct pipeline.
The present invention has provided a kind of brand-new LIBS technology of utilizing and has realized measuring method and the device that the online detection of stove coal coal characteristic is adopted; The realization of this measuring method mainly is based on aerodynamic principle; The pressurized air that provides through pressurized container is respectively in the junction of coal dust delivery pipe and stopple coupon; Reach the exit formation certain negative pressure that the measuring chamber outlet links to each other with coal dust loopback pipe, pulverized coal flow obtains and loopback continuously in the assurance wind powder pipe road.The pulverized coal flow that takes out is delivered to measuring chamber through the coal dust drop pipe after cyclone separator carries out simple gas-solid separator, utilize laser directly with the gas-solid two pulverized coal particle stream effect mutually of falling, the online detection of stove coal coal characteristic is gone in realization.End at the coal dust drop pipe adopts the reducing pipe, improves the pulverized coal particle concentration of unit volume, improves the activity ratio of laser and pulverized coal particle, the intensity of enhanced spectrum signal.The measuring method and the device that adopt the present invention to propose, the pressurized air that only need utilize pressurized container to provide forms negative pressure, and coal dust obtains and loopback continuously in the realization wind powder pipe road; The pulverized coal flow that takes out promptly can be used for detecting through simple gas solid separation, need not coal dust is carried out sample preparation, convenient measurement; The involved device of whole measuring metering method does not have mechanical gearing; System architecture is simple, and maintenance is little, helps the long-time reliability service of site environment.
Compared with prior art, advantage of the present invention and effect are following:
1. the coal dust sample circuit loopback of the whole measuring system pressurized air that only need utilize pressurized container to provide can realize that system architecture is simple, does not have mechanical gearing, improves on-the-spot long playing reliability;
2. the pulverized coal flow that takes out only need pass through cyclone separator to carry out simple gas solid separation and promptly can be used for complex processes such as laser detection, no sample preparation, does not have delay, can realize the real online detection into the stove coal.
3. through reducing the outlet caliber of coal dust drop pipe, can realize the purpose that pulverized coal particle concentrates, improve the activity ratio of laser and pulverized coal particle, enhanced spectrum intensity.
Description of drawings
Fig. 1 is the synoptic diagram based on the online gas-solid two phase pick-up units of induced with laser coal characteristic in the embodiment.
Embodiment
Below in conjunction with accompanying drawing practical implementation of the present invention is further specified, but enforcement of the present invention and protection domain are not limited thereto.
As shown in Figure 1, sampling part of the present invention is installed in the correct position in the wind powder pipe road between coal-burning power plant's coal pulverizer outlet and the burner inlet place, sees 2 indications place among Fig. 1.Stopple coupon 3 links to each other with wind powder pipe road 1 through thief hole 2.The pressurized air that utilization is drawn from pressurized container 4 in the junction 6 formation certain negative pressure of stopple coupon 3 with coal dust delivery pipe 7, is realized the serial sampling of coal dust in the wind powder pipe road 1.The pulverized coal flow that takes out under compressed-air actuated effect, through coal dust delivery pipe 7, is transported in the cyclone separator 8, carries out gas solid separation, and the coal dust that obtains after the separation falls into to measuring chamber 10 through coal dust drop pipe 9, is used for laser detection.One end of coal dust delivery pipe 7 links to each other with pressurized container 4 with stopple coupon 3 respectively, and the other end links to each other with the inlet of cyclone separator 8.The exhaust emission tube 16 of cyclone separator 8 links to each other with wind powder pipe road 1 through waste gas loopback hole 15.The waste gas that the pressure that utilizes waste gas outlet itself is discharged cyclone separator 8 is recycled in the wind powder pipe road 1.The feed opening of cyclone separator 8 links to each other with an end of coal dust drop pipe 9.The other end of coal dust drop pipe 9 links to each other with an end of measuring chamber 10, and measuring chamber outlet 11 links to each other with coal dust loopback pipe 13, and an end of coal dust loopback pipe 13 also links to each other with pressurized container 4.The pressurized air that utilizes pressurized container 4 to provide forms certain negative pressure in the junction 12 of measuring chamber outlet 11 and coal dust loopback pipe 13, is implemented under the compressed-air actuated effect, and the coal dust that has detected is sent back in the airduct pipeline 1.The other end of coal dust loopback pipe 13 links to each other with wind powder pipe road 1 through coal dust loopback hole 14.Pressurized container 4 links to each other with coal dust loopback pipe 13 with coal dust delivery pipe 7 respectively, and variable valve 5 is set in the junction, is used to adjust compressed-air actuated working pressure size, thereby adapts to different coal dust sampling amounts and loopback amount.In measuring chamber 10; The pulverized coal particle stream effect in behind the condenser lens 18 of the pulse laser that laser instrument 17 sends in being fixed on measuring chamber and coal dust drop pipe 9 exits; Form plasma; Make it luminous; Light receiving microscopy group 19 (be made up of two lens, center and condenser lens center have a certain degree) by being installed in the measuring chamber is collected the atomic spectrum signal that is excited, with signal of collecting and fibre-optical probe 20 couplings; Be transferred in the spectrometer 22 collection that realizes spectroscopic data through optical fiber 21, with the data transmission of gathering to computing machine 23 enterprising row further analyze, handle, demonstration etc. (data of collection obtain each index of coal characteristic after analyzing and processing).Utilize pressurized air that pressurized container provides in the junction of measuring chamber outlet with coal dust loopback pipe; Form certain negative pressure; The coal dust that realization will detect is transmitted back in the wind powder pipe road through coal dust loopback pipe; The other end of coal dust loopback pipe links to each other through loopback hole and wind powder pipe road, thereby accomplishes sampling---measurement---cyclic process of loopback of coal dust.
The whole measuring metering method and the device that are adopted only are the loopbacks of obtaining and detected coal dust continuously that the pressurized air that utilizes pressurized container 4 to provide can be realized pulverized coal flow in the wind powder pipe road 1.Pulverized coal flow through 8 pairs of taking-ups of cyclone separator carries out simple gas-solid two and is separated, and can realize the detection of pulverized coal particle.Total system all is to adopt the strength transmission mode, except the delivery pipe and variable valve of necessity, does not have mechanical gearing, helps the operation of on-the-spot reliable and stable for a long time.
Claims (8)
1. based on the online gas-solid two phase pick-up units of induced with laser coal characteristic; It is characterized in that comprising stopple coupon (3), coal dust delivery pipe (7), cyclone separator (8), coal dust drop pipe (9), measuring chamber (10) and spectral detection system; Stopple coupon (3) one ends penetrate in the perforate on the wind powder pipe road (1) between coal pulverizer outlet and the burner inlet; Stopple coupon (3) other end links to each other with two branches of coal dust delivery pipe (7); A branch of coal dust delivery pipe (7) is connected with the inlet of cyclone separator (8), and another branch of coal dust delivery pipe (7) links to each other with pressurized container (4), and the feed opening of cyclone separator (8) is connected with an end of coal dust drop pipe (9); The other end of coal dust drop pipe (9) is connected with measuring chamber (10) inlet; Measuring chamber outlet (11) links to each other with two branches of coal dust loopback pipe (13), and one of them branch of coal dust loopback pipe (13) is connected with wind powder pipe road (1), and another branch links to each other with pressurized container (4); Measuring chamber (10) is provided with the said spectral detection system that is used for through gas-solid two phase pulverized coal particle flow measurement coal characteristics.
2. said based on the online gas-solid two phase pick-up units of induced with laser coal characteristic according to claim 1, it is characterized in that said spectral detection system comprises laser induced breakdown spectrograph.
3. said based on the online gas-solid two phase pick-up units of induced with laser coal characteristic according to claim 1; It is characterized in that said spectral detection system comprise laser instrument (17), fibre-optical probe (20), optical fiber (21), spectrometer (22), computing machine (23), be used for laser focusing the condenser lens (18) of the gas-solid two phase pulverized coal particles stream of measuring chamber (10) be used to collect the light receiving microscopy group (19) that pulverized coal particle flows the atomic spectrum signal that excites; Said condenser lens (18) and light receiving microscopy group (19) are installed in the measuring chamber (10); Laser instrument (17) links to each other with computing machine; The signal that light receiving microscopy group (19) is collected is coupled through fibre-optical probe (20); Fibre-optical probe (20) is connected with spectrometer (22) through optical fiber (21), and spectrometer (22) is connected with computing machine (23).
4. said based on the online gas-solid two phase pick-up units of induced with laser coal characteristic according to claim 1; It is characterized in that the branch that is connected with pressurized container (4) in the coal dust loopback pipe (13) is provided with the variable valve that is used to adjust compressed-air actuated working pressure size, also is provided with the variable valve that is used to adjust compressed-air actuated working pressure size in the branch that is connected with pressurized container (4) in the coal dust delivery pipe (7).
5. said based on the online gas-solid two phase pick-up units of induced with laser coal characteristic according to claim 1, it is characterized in that the coal dust drop pipe adopts the reducing pipe, necking end is arranged in measuring chamber.
6. based on the online gas-solid two phase detection methods of induced with laser coal characteristic; It is characterized in that; The pressurized air that utilizes pressurized container (4) to provide forms negative pressure in the junction of stopple coupon (3) and coal dust delivery pipe, realizes the continuous acquisition of pulverized coal flow in the wind powder pipe road (1); After the pulverized coal flow that takes out carries out gas solid separation through cyclone separator (8); Gas-solid two phase pulverized coal flows are transported in the measuring chamber (10) through coal dust drop pipe (9), utilize the LIBS technology that the carrying out of gas-solid two phase pulverized coal particles stream directly measured again.
7. said based on the online gas-solid two phase detection methods of induced with laser coal characteristic according to claim 6; It is characterized in that; In measuring chamber (10); The pulverized coal particle stream effect in behind the condenser lens (18) of the pulse laser that laser instrument (17) sends in being fixed on measuring chamber and coal dust drop pipe (9) exit; Form plasma and luminous, the atomic spectrum signal that is excited is collected, with signal of collecting and fibre-optical probe (20) coupling by the light receiving microscopy group (19) that is installed in the measuring chamber; Be transferred to the collection that realizes spectroscopic data in the spectrometer (22) through optical fiber (21), the data transmission of gathering is analyzed, handled and show to computing machine (23).
8. said based on the online gas-solid two phase detection methods of induced with laser coal characteristic according to claim 6; It is characterized in that the pressurized air that utilizes pressurized container (4) to provide forms negative pressure in the junction (12) of measuring chamber outlet (11) and coal dust loopback pipe (13); Be implemented under the compressed-air actuated effect, the coal dust that has detected is sent back in the airduct pipeline (1).
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413892A (en) * | 2008-11-21 | 2009-04-22 | 山东惠工仪器有限公司 | Flyash ingredient on-line detection device based on laser induce plasma analysis technology |
| CN102095713A (en) * | 2011-03-15 | 2011-06-15 | 太原市敏通科技有限公司 | Online detection system of element content of industrial solid powder |
| CN202256156U (en) * | 2011-08-31 | 2012-05-30 | 华南理工大学 | Laser-induced on-line gas-solid two-phase detection device for coal quality characteristics |
-
2011
- 2011-08-31 CN CN201110255126XA patent/CN102426160A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413892A (en) * | 2008-11-21 | 2009-04-22 | 山东惠工仪器有限公司 | Flyash ingredient on-line detection device based on laser induce plasma analysis technology |
| CN102095713A (en) * | 2011-03-15 | 2011-06-15 | 太原市敏通科技有限公司 | Online detection system of element content of industrial solid powder |
| CN202256156U (en) * | 2011-08-31 | 2012-05-30 | 华南理工大学 | Laser-induced on-line gas-solid two-phase detection device for coal quality characteristics |
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