CN104964860A - On-line coal quality property detection device - Google Patents
On-line coal quality property detection device Download PDFInfo
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- CN104964860A CN104964860A CN201510364996.9A CN201510364996A CN104964860A CN 104964860 A CN104964860 A CN 104964860A CN 201510364996 A CN201510364996 A CN 201510364996A CN 104964860 A CN104964860 A CN 104964860A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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Abstract
The invention relates to an on-line coal quality property detection device. The on-line coal quality property detection device is characterized by comprising a coal powder sampling subsystem, a coal powder cake pressing subsystem and a spectrum collecting and analyzing subsystem. According to the on-line coal quality property detection device, the coal powder sampling subsystem is firstly utilized to acquire low-rank coal powder from a wind powder pipeline installed between an exit of a coal mill of a coal-fired power generation unit and an entrance of a combustor, then the coal powder cake pressing subsystem is utilized to prepare the coal powder in a pressing mode into coal cakes specified in measurement requirements, and then a spectrum detecting system is utilized to detect the coal quality properties of the coal cakes. According to the on-line coal quantity property detection device, by performing cake pressing on the coal powder, the influence of the rough coal powder surface on measurement is eliminated, the overall device can easily achieve accurate and reliable on-line coal quality property detection in a spot environment, and therefore the device is beneficial for improving the burning efficiency of the coal-fired power generation unit and reducing pollutant discharging.
Description
Technical field
The present invention relates to a kind of coal characteristic on-line measuring device, belong to spectroscopic diagnostics and field of measuring technique.
Background technology
In the last few years, along with country reduces discharging to Energy-saving for Thermal Power Units improving constantly of requiring, how to realize that station boiler is more efficient, environmental protection and running safely, become the problem that coal-burning power plant is concerned about the most.But because China's coal is changeable, coal characteristic complexity is various, the coal varitation amplitude that boiler of power plant uses coal is larger.And power plant of China still adopts traditional artificial sample, the method for sample preparation and laboratory off-line analysis carries out coal property test.This method, owing to can not obtain the coal characteristic of as-fired coal in time, effectively optimizes and revises the running status of boiler when boiler operatiopn personnel cannot change in the ature of coal that boiler uses coal.Therefore, develop the ature of coal on-line measuring device of as-fired coal, crucial foundation can be provided for real-time optimization adjusts boiler combustion process, efficient, the low stain and safe operation tool realizing coal-burning boiler is of great significance.
LIBS (Laser Induced Breakdown Spectroscopy, LIBS) due to have detection speed fast, be convenient to the advantages such as on-the site analysis, seedless radiation hazard and operation expense are low, ature of coal on-line checkingi has unique advantage and huge application potential.At present, along with the growing tension of coal resources supply and progressively exhausting of high-quality coal, low-order coal has become one of Coal Gasification of Main Coal Species that coal-burning power plant uses.For the coal characteristic of low-order coal, develop a kind of as-fired coal ature of coal on-line measuring device based on LIBS, particularly important for real-time optimization adjustment boiler combustion process.
It is realize by blowing First air that coal dust exports to transporting of burner hearth from coal pulverizer.It is the gas-solid two-phase mixture of First air and coal dust in wind powder pipe road between the outlet of connection coal pulverizer with burner inlet.In order to measure the coal characteristic of as-fired coal powder, need to realize the detection to pulverized coal particle in Dual-Phrase Distribution of Gas olid.For the LIBS on-line checkingi of solid particle in Dual-Phrase Distribution of Gas olid, general LIBS directly detects solid particle in Dual-Phrase Distribution of Gas olid, or solid particle is separated laggard windrow from Dual-Phrase Distribution of Gas olid amasss, and detect after its surface being struck off with scraper plate.But a kind of front method is due to the pulsation of solid particle in Gas-solid Two-phase Flow, and laser and solid particle mechanism are unstable, the precision causing LIBS to measure and accuracy poor; A kind of rear method due to the measured surface of packed particle smooth not, and laser impact packed particle surface time can cause particles splatter, the precision also causing LIBS to measure and accuracy poor.For the on-line measurement of as-fired coal coal dust, LIBS ature of coal on-line measuring device realizes ature of coal accurately and reliably and measures to adopt said method to be all unfavorable for.
Summary of the invention
The object of the invention is, in order to overcome existing LIBS ature of coal online measuring technique above shortcomings, to provide a kind of coal characteristic on-line measuring device, utilize LIBS to carry out on-line checkingi to the coal characteristic of low-order coal.Device provided by the invention comprises coal dust sampling subsystem, coal dust cake of press subsystem and spectra collection analyzing subsystem.Coal dust sampling subsystem is used for obtaining coal dust from the wind powder pipe road between coal pulverizer outlet and burner inlet, can be realized by three kinds of technical schemes: the pressurized air 1) utilizing pressurized container to provide forms negative pressure in stopple coupon, by the wind powder sucking-off in wind powder pipe road, by cyclone separator, the wind powder of taking-up is carried out gas solid separation and obtain coal dust; 2) by rotating to the stopple coupon of band elbow just to wind powder flow direction, make the stopple coupon being with elbow form the bypass of wind powder circulation, wind powder obtains coal dust after flowing out after the gas solid separation of cyclone separator; 3) after sampling box pushed obtaining coal dust by mechanical driving device in wind powder pipe road, then sampling box is released from wind powder pipe road, realize taking out coal dust from wind powder pipe road.Coal dust cake of press subsystem adopts one-shot formula powder cake of press machinery or rushes formula powder cake of press machinery more and the coal dust of taking-up is pressed into briquette.Spectra collection analyzing subsystem utilizes LIBS to carry out on-line checkingi to the coal characteristic of briquette.The present invention, by the low-order coal coal dust extracted in wind powder pipe road being pressed into online the cake of press of surfacing, being conducive to LIBS ature of coal on-line measuring device and obtaining coal characteristic into stove low-order coal quickly and accurately.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme.
(1) a coal characteristic on-line measuring device, comprises coal dust sampling subsystem, coal dust cake of press subsystem and spectra collection analyzing subsystem.
(2) the coal characteristic on-line measuring device Gen Ju (1), described coal dust sampling subsystem adopts the combination of one of following method or following two or more method arbitrarily to sample:
A. negative-pressure ward effect is utilized to sample;
B. wind powder mobilization is utilized to sample;
C. mechanical arm is utilized to sample.
(3) according to (1) or the coal characteristic on-line measuring device described in (2), described in be sampled as the coal dust obtaining low-order coal from the wind powder mixture of the correct position in the horizontal or vertical wind powder pipe road be arranged between the outlet of Thermal generation unit coal pulverizer with burner inlet.
(4) the coal characteristic on-line measuring device according to any one of (1)-(3), it is characterized in that, correct position place distance coal pulverizer outlet in described vertical wind powder pipe road is greater than 300mm, and the junction of distance wind powder pipe road elbow and vertically-supplying air powder pipeline is greater than 300mm.
(5) the coal characteristic on-line measuring device according to any one of (1)-(4), it is characterized in that, correct position place distance burner inlet in the wind powder pipe road of described level is greater than 300mm, and the junction in distance wind powder pipe road elbow and horizontal wind powder pipe road is greater than 300mm.
(6) the coal characteristic on-line measuring device according to any one of (1)-(5), it is characterized in that, the internal diameter in described wind powder pipe road is 100 ~ 1000mm.
(7) the coal characteristic on-line measuring device according to any one of (1)-(6), the moist ash-free basis gross heat value of described low-order coal is less than 24MJ/kg.
(8) the coal characteristic on-line measuring device according to any one of (1)-(7), described coal characteristic comprises the combination of one of following index or following two or more indexs arbitrarily: calorific value, ash content, volatile content, moisture, carbon content and sulfur content, wherein the scope of calorific value is that moist ash-free basis gross heat value is less than 24MJ/kg, the scope of volatile content is sky butt volatile content is 0 ~ 50%, the scope of ash content is sky dry basis ash content content is 0 ~ 40%, the scope of moisture is air-dried moisture content is 0 ~ 50%, the scope of carbon content is sky butt carbon content is 40 ~ 90%, the scope of sulfur content is sky butt sulfur content is 0 ~ 10%.
(9) the coal characteristic on-line measuring device according to any one of (1)-(8), described wind powder mixture meets the combination of one of following index or following two or more indexs arbitrarily in the duct: flow velocity is 10 ~ 50m/s, and temperature is 50 ~ 300
humidity is 0 ~ 75%, and coal powder density is 5 ~ 2000g/m
3.
(10) the coal characteristic on-line measuring device according to any one of (1)-(9), the physical features of described coal dust meets the combination of one of following index or following two or more indexs arbitrarily: screening mean grain size is 0 ~ 1000 μm, out-of-shape degree is 1:1 to 10000:1, and bulk density is 0.4 ~ 0.9t/m
3if pulverized coal particle is respectively A and B at a distance of maximum 2 on the surface, if pulverized coal particle is respectively C and D at a distance of maximum and satisfied 2 lines and perpendicular 2 of AB 2 lines on the surface, then out-of-shape degree is AB 2 distances and CD 2 ratio of distances constants.
(11) the coal characteristic on-line measuring device according to any one of (1)-(10), the described coal dust sampling subsystem utilizing negative-pressure ward effect to sample comprises stopple coupon, coal dust delivery pipe, pressurized container, cyclone separator, stopple coupon one end penetrates in an opening on the wind powder pipe road between coal pulverizer outlet and burner inlet, the stopple coupon other end is connected with coal dust delivery pipe, a branch of coal dust delivery pipe is connected with the entrance of cyclone separator, and another branch of coal dust delivery pipe is connected with pressurized container.
(12) the coal characteristic on-line measuring device according to any one of (1)-(11), the described coal dust sampling subsystem utilizing negative-pressure ward effect to sample also comprises exhaust emission tube, one end of exhaust emission tube is connected with the gas separaion mouth of cyclone separator, and the other end of exhaust emission tube penetrates in another opening on wind powder pipe road.
(13) the coal characteristic on-line measuring device according to any one of (1)-(12), stopple coupon, coal dust delivery pipe and exhaust emission tube are separately installed with valve.
(14) the coal characteristic on-line measuring device according to any one of (1)-(13), the described coal dust sampling subsystem utilizing wind powder mobilization to sample comprises stopple coupon, coal dust delivery pipe, the cyclone separator of band elbow, in the wind powder pipe road of stopple coupon one end with elbow between coal pulverizer outlet and burner inlet, the other end is connected with one end of coal dust delivery pipe, and the other end of coal dust delivery pipe is connected with the entrance of cyclone separator.
(15) the coal characteristic on-line measuring device according to any one of (1)-(14), described elbow is 90 ° of elbows.
(16) the coal characteristic on-line measuring device according to any one of (1)-(15), the described coal dust sampling subsystem utilizing wind powder mobilization to sample also comprises the first rotating shaft, second rotating shaft, belt, drive motor, first rotating shaft is arranged on the band stopple coupon of elbow and the junction of coal dust delivery pipe, the stopple coupon of band elbow is rotated relative to coal dust delivery pipe, drive motor is the motor with rotating, the rotating shaft of drive motor is connected with the second rotating shaft, the two ends of belt connect the first rotating shaft and the second rotating shaft respectively, form belt gear, under the drive of drive motor, stopple coupon with elbow can carry out positive and negative rotation.
(17) the coal characteristic on-line measuring device according to any one of (1)-(16), the described coal dust sampling subsystem utilizing wind powder mobilization to sample also comprises exhaust emission tube, one end of exhaust emission tube is connected with the gas separaion mouth of cyclone separator, and the other end of exhaust emission tube penetrates in another opening on wind powder pipe road.
(18) the coal characteristic on-line measuring device according to any one of (1)-(17), coal dust delivery pipe and exhaust emission tube are separately installed with valve.
(19) the coal characteristic on-line measuring device according to any one of (1)-(18), the described coal dust sampling subsystem utilizing mechanical arm to sample comprises sampling box, inlet seal valve, exit seal valve, coal dust delivery pipe, inlet seal valve installation is on wind powder pipe road, coal dust delivery pipe is connected with wind powder pipe road, and exit seal valve installation is in the junction in coal dust delivery pipe and wind powder pipe road.
(20) the coal characteristic on-line measuring device according to any one of (1)-(19), the described coal dust sampling subsystem utilizing mechanical arm to sample also comprises back and forth movement drive motor, screw mandrel, rotational drive motor, back and forth movement drive motor is the motor with rotating, the rotating shaft connection wire rod of back and forth movement drive motor, rotational drive motor and sampling box are located on screw mandrel, and form lead screw transmission mechanism with described screw mandrel, the rotating shaft of rotational drive motor is connected with sampling box, and sampling box can be that axis rotates with screw mandrel by rotational drive motor.
(21) the coal characteristic on-line measuring device according to any one of (1)-(20), the sampling time of described coal dust sampling subsystem is 0 ~ 5min.
(22) the coal characteristic on-line measuring device according to any one of (1)-(21), described coal dust cake of press subsystem adopts the combination of one of following method or following two kinds of methods that coal dust is pressed into briquette:
A. one-shot formula powder cake of press method;
B. rush formula powder cake of press method more.
(23) the coal characteristic on-line measuring device according to any one of (1)-(22), the physical features of described briquette meets the combination of one of following index or following two or more indexs arbitrarily: upper surface shape is the combination of one of shape such as circle, ellipse, shape changeable or wherein two or more shape any, and upper surface area is 0 ~ 100cm
2, thickness is 0 ~ 30mm, and surface smoothness deviation is less than 100 μm, and surfaceness is less than 20 μm.
(24) the coal characteristic on-line measuring device according to any one of (1)-(23), the described coal dust cake of press subsystem of one-shot formula powder cake of press method that utilizes comprises the first pressing mechanism, the second pressing mechanism, cake of press drift, die cavity, row's cake drift, and the kind of drive of the first pressing mechanism and the second pressing mechanism is the combination of one of kinds of drive such as mechanical drive, hydrostatic transmission and pneumatic transmission or wherein two or more kind of drive arbitrarily.
(25) the coal characteristic on-line measuring device according to any one of (1)-(24), the described coal dust cake of press subsystem of one-shot formula powder cake of press method that utilizes also comprises rotation platform, rotary drive motor, rotation platform rotating shaft, stationary platform, the rotating shaft of rotary drive motor connects rotation platform rotating shaft, rotation platform rotating shaft is connected with rotation platform, rotation platform is placed on the stationary platform, the rotating shaft of rotary drive motor connects rotation platform rotating shaft, rotation platform can with rotation platform rotating shaft for axis rotates on the stationary platform, die cavity can successively above laser testing region and briquette recovery holes.
(26) the coal characteristic on-line measuring device according to any one of (1)-(25), the described coal dust cake of press subsystem of one-shot formula powder cake of press method that utilizes also comprises briquette recovery holes, briquette recovery bin, briquette recovery holes is positioned in stationary platform, and briquette recovery bin is positioned at immediately below briquette recovery holes.
(27) the coal characteristic on-line measuring device according to any one of (1)-(26), the coal dust cake of press subsystem that formula powder cake of press method is rushed in described utilization more comprises the first pressing mechanism, the second pressing mechanism, upper punch, die cavity, undershoot, and the kind of drive of the first pressing mechanism and the second pressing mechanism is one in mechanical drive, hydrostatic transmission and pneumatic transmission or combination in any.
(28) the coal characteristic on-line measuring device according to any one of (1)-(27), the coal dust cake of press subsystem that formula powder cake of press method is rushed in described utilization more also comprises briquette test board, briquette pushes baffle plate, briquette pushes pivoted arm, briquette pushes rotating shaft, briquette pushes drive motor, the rotating shaft that briquette pushes drive motor connects briquette propelling movement rotating shaft, one end of briquette propelling movement pivoted arm pushes rotating shaft with briquette and is connected, the other end of briquette propelling movement pivoted arm pushes baffle plate with briquette and is connected, briquette propelling movement baffle plate can push centered by rotating shaft by briquette and carry out circular motion at the upper surface of briquette test board, push on the movement locus of baffle plate at briquette, can successively above die cavity, above laser testing region and briquette recovery holes.
(29) the coal characteristic on-line measuring device according to any one of (1)-(28), the coal dust cake of press subsystem that formula powder cake of press method is rushed in described utilization more also comprises briquette recovery holes, briquette recovery bin, briquette recovery holes is positioned on briquette test board, and briquette recovery bin is positioned at immediately below briquette recovery holes.
(30) the coal characteristic on-line measuring device according to any one of (1)-(29), the coal dust cake of press subsystem that formula powder cake of press method is rushed in described utilization more also comprises reinforced drive motor, screw mandrel, rotational drive motor, coal dust storage warehouse, described reinforced drive motor is the motor with rotating, the rotating shaft connection wire rod of reinforced drive motor, rotational drive motor and coal dust storage warehouse are located on screw mandrel, and form lead screw transmission mechanism with screw mandrel, the rotating shaft of rotational drive motor is connected with coal dust storage warehouse, powder storage warehouse can be that axis rotates with screw mandrel by rotational drive motor.
(31) the coal characteristic on-line measuring device according to any one of (1)-(30), the cake of press time of described coal dust cake of press subsystem is 0 ~ 10min.
(32) the coal characteristic on-line measuring device according to any one of (1)-(31), described spectra collection analyzing subsystem comprises laser instrument, condenser lens, spectrometer, fibre-optical probe, optical fiber, computing machine, laser instrument is connected with computing machine, fibre-optical probe is connected with one end of optical fiber, the other end of optical fiber is connected with spectrometer, and spectrometer is connected with computing machine.
(33) the coal characteristic on-line measuring device according to any one of (1)-(32), the Measurement and analysis time of the single measurement of described spectra collection analyzing subsystem is 0 ~ 10min.
(34) the coal characteristic on-line measuring device according to any one of (1)-(33), the laser that described laser instrument is launched is pulse laser, the pulse width of laser is 1 ~ 10ns, the wavelength of laser is 266nm, 532nm or 1064nm, and the transmission frequency of laser is 1 ~ 20Hz.
(35) the coal characteristic on-line measuring device according to any one of (1)-(34), Quantitative Analysis Model containing coal characteristic in described computing machine, the measure spectrum data of low-order coal are substituted into this Quantitative Analysis Model, the coal characteristic of low-order coal can be obtained.
Described coal characteristic on-line measuring device provided by the invention, first utilize coal dust to sample subsystem and obtain coal dust in the wind powder pipe road be arranged between the outlet of Thermal generation unit coal pulverizer and burner inlet, then utilize coal dust cake of press subsystem coal dust to be pressed into the briquette measured and require regulation, recycling spectral detection system detects briquette coal characteristic.By carrying out cake of press to coal dust, eliminate coal dust surface irregularity to the impact of measuring, be conducive to whole device and realize coal characteristic on-line checkingi accurately and reliably in environment at the scene, thus be conducive to Thermal generation unit and improve burning efficiency and reduce pollutant emission.Compared with prior art, the present invention has the following advantages and effect:
1. coal dust sampling subsystem and coal dust cake of press subsystem structure are simply, without complicated mechanical driving device, are conducive to improving the operation steady in a long-term at the scene of LIBS ature of coal on-line detecting system;
2. by coal dust cake of press being improve the planarization of LIBS measured surface, thus improve measuring accuracy and the accuracy of LIBS ature of coal on-line detecting system, be conducive to LIBS ature of coal on-line detecting system and the coal characteristic entering stove low-order coal is realized measuring accurately and reliably.
Accompanying drawing explanation
Fig. 1 is the high-level schematic functional block diagram of coal characteristic on-line measuring device of the present invention.
Fig. 2 a is the schematic diagram of the coal characteristic on-line measuring device utilizing negative-pressure ward effect sampling to match with one-shot formula powder cake of press method.
Fig. 2 b is the schematic diagram utilizing wind powder mobilization to sample the coal characteristic on-line measuring device matched with one-shot formula powder cake of press method.
Fig. 2 c is the schematic diagram utilizing mechanical arm to sample the coal characteristic on-line measuring device matched with one-shot formula powder cake of press method.
Fig. 2 d utilizes negative-pressure ward effect to sample the schematic diagram with the coal characteristic on-line measuring device rushing formula powder cake of press method more.
Fig. 2 e utilizes wind powder mobilization to sample and the schematic diagram rushing the coal characteristic on-line measuring device that formula powder cake of press method matches more.
Fig. 2 f utilizes mechanical arm to sample and the schematic diagram rushing the coal characteristic on-line measuring device that formula powder cake of press method matches more.
Fig. 3 is the vertical view utilizing rotation platform in the coal dust cake of press subsystem of one-shot formula powder cake of press method of the present invention.
Fig. 4 rushes the vertical view of briquette test board in the coal dust cake of press subsystem of formula powder cake of press method for utilization of the present invention more.
Fig. 5 is the key diagram of the pulverized coal particle out-of-shape degree that the present invention defines.
In figure: 1-wind powder pipe road; 100-coal dust sampling subsystem; 101-stopple coupon; 102-valve; 103-coal dust delivery pipe; 104-pressurized container; 105-cyclone separator; 106-exhaust emission tube; The stopple coupon of 107-band elbow; 108-the first rotating shaft; 109-the second rotating shaft; 110-belt; 111-drive motor; 112-coal dust delivery pipe; 113-back and forth movement drive motor; 114-screw mandrel; 115-rotational drive motor; 116-sampling box; 117-inlet seal valve; 118-exit seal valve; 119-coal dust delivery pipe; 200-coal dust cake of press subsystem; 201-reinforced drive motor; 202-screw mandrel; 203-rotational drive motor; 204-coal dust storage warehouse; 205-the first pressing mechanism; 206-the second pressing mechanism; 207-cake of press drift; 208-die cavity; 209-row cake drift; 210-rotation platform; 211-rotary drive motor; The rotating shaft of 212-rotation platform; 213-stationary platform; 214-briquette recovery holes; 215-coal dust recovery bin; 216-the first pressing mechanism; 217-the second pressing mechanism; 218-upper punch; 219-die cavity; 220-undershoot; 221-briquette test board; 222-briquette pushes baffle plate; 223-briquette pushes pivoted arm; 224-briquette pushes rotating shaft; 225-briquette pushes drive motor; 226-briquette recovery holes; 227-coal dust recovery bin; 228-laser measurement region; 300-spectra collection analyzing subsystem; 301-laser instrument; 302-condenser lens; 303-spectrometer; 304-fibre-optical probe; 305-optical fiber; 306-computing machine.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, a kind of coal characteristic on-line measuring device, comprises coal dust sampling subsystem 100, coal dust cake of press subsystem 200 and spectra collection analyzing subsystem 300.
Coal dust sampling subsystem 100 adopts the combination of one of following method or following two or more method arbitrarily to realize from being arranged on the outlet of Thermal generation unit coal pulverizer and the coal dust obtaining low-order coal in the vertical wind powder pipe road 1 between burner inlet:
A. negative-pressure ward effect is utilized to sample;
B. wind powder mobilization is utilized to sample;
C. mechanical arm is utilized to sample.
As accompanying drawing 2a, shown in 2d, the coal dust sampling subsystem utilizing negative-pressure ward effect to sample comprises stopple coupon 101, valve 102, coal dust delivery pipe 103, pressurized container 104, cyclone separator 105, exhaust emission tube 106, stopple coupon 101 external diameter is 10 ~ 50mm, stopple coupon 101 one end penetrates in a perforate on the wind powder pipe road 1 between coal pulverizer outlet and burner inlet, stopple coupon 101 other end is connected with coal dust delivery pipe 103, a branch of coal dust delivery pipe 103 is connected with the entrance of cyclone separator 105, another branch of coal dust delivery pipe 105 is connected with pressurized container 104, air pressure in pressurized container 104 is 0.3 ~ 1MPa, exhaust emission tube 106 external diameter is 10 ~ 50mm, the gas separaion mouth of cyclone separator 105 is connected with one end of exhaust emission tube 106, the other end of exhaust emission tube 106 penetrates in another perforate on wind powder pipe road 1, stopple coupon 101, coal dust delivery pipe 103 and exhaust emission tube 106 are all provided with valve 102.
As accompanying drawing 2b, shown in 2e, the coal dust sampling subsystem utilizing wind powder mobilization to sample comprises the stopple coupon 107 of band elbow, first rotating shaft 108, second rotating shaft 109, belt 110, drive motor 111, coal dust delivery pipe 112, valve 102, cyclone separator 105, exhaust emission tube 106, the external diameter of the stopple coupon 107 with elbow is 10 ~ 50mm, stopple coupon one end with elbow is 90 ° of elbows, one end with 90 ° of elbows exports in the wind powder pipe road 1 between burner inlet at coal pulverizer, the other end of the stopple coupon 107 with elbow is connected with one end of coal dust delivery pipe 112 by the first rotating shaft 109, the other end of coal dust delivery pipe 112 is connected with the entrance of cyclone separator 105, exhaust emission tube 106 external diameter is 10 ~ 50mm, the gas separaion mouth of cyclone separator 105 is connected with one end of exhaust emission tube 106, the other end of exhaust emission tube 106 penetrates in another perforate on wind powder pipe road 1, coal dust delivery pipe 112 and exhaust emission tube 106 are all provided with valve 102, drive motor 111 is for having the motor of rotating, the rotating shaft of drive motor 111 is connected with the second rotating shaft 109, the two ends of belt 110 connect the first rotating shaft 108 and the second rotating shaft 109 respectively, form belt gear, under the drive of drive motor 111, stopple coupon 107 with elbow can positive and negatively rotate.
As accompanying drawing 2c, shown in 2f, the coal dust sampling subsystem utilizing mechanical arm to sample comprises back and forth movement drive motor 113, screw mandrel 114, rotational drive motor 115, sampling box 116, inlet seal valve 117, exit seal valve 118, coal dust delivery pipe 119, back and forth movement drive motor 113 is for having the motor of rotating, the rotating shaft connection wire rod 114 of back and forth movement drive motor 113, rotational drive motor 115 and sampling box 116 are located on screw mandrel 114, and form lead screw transmission mechanism with described screw mandrel 114, sampling box 116 can with screw mandrel 114 for axis rotates by rotational drive motor 115.
Coal dust cake of press subsystem 200 adopts the combination of one of following method or following two kinds of methods that coal dust is pressed into briquette:
A. one-shot formula powder cake of press method;
B. rush formula powder cake of press method more.
As shown in accompanying drawing 2a-2c, the coal dust cake of press subsystem of one-shot formula powder cake of press machinery is adopted to comprise reinforced drive motor 201, screw mandrel 202, rotational drive motor 203, coal dust storage warehouse 204, first pressing mechanism 205, second pressing mechanism 206, cake of press drift 207, die cavity 208, row's cake drift 209, rotation platform 210, rotary drive motor 211, rotation platform rotating shaft 212, stationary platform 213, briquette recovery holes 214, briquette recovery bin 215, the cavity inside diameter of die cavity 208 is 20 ~ 60mm, cavity height is 10 ~ 30mm, briquette recovery holes 214 internal diameter is 30 ~ 100mm, and briquette recovery holes 214 internal diameter is greater than the cavity inside diameter of die cavity 208, described reinforced drive motor 201 is for having the motor of rotating, the rotating shaft connection wire rod 202 of reinforced drive motor 201, rotational drive motor 203 and coal dust storage warehouse 204 are located on screw mandrel 202, and form lead screw transmission mechanism with screw mandrel 202, powder storage warehouse 204 can with screw mandrel 202 for axis rotates by rotational drive motor 203, the rotating shaft of rotary drive motor 211 connects rotation platform rotating shaft 212, rotation platform 210 can be that axis rotates in stationary platform 213 with rotation platform rotating shaft 211 under the effect of rotary drive motor 211, in the rotation process of rotation platform 210, die cavity 208 can successively above laser testing region 228 and briquette recovery holes 214, the vertical view of rotation platform 210 as shown in Figure 3.
As shown in accompanying drawing 2d-2f, adopt the coal dust cake of press subsystem rushing formula powder cake of press machinery to comprise reinforced drive motor 201 more, screw mandrel 202, rotational drive motor 203, coal dust storage warehouse 204, first pressing mechanism 216, second pressing mechanism 217, upper punch 218, die cavity 219, undershoot 220, briquette test board 221, briquette pushes baffle plate 222, briquette pushes pivoted arm 223, briquette pushes rotating shaft 224, briquette pushes drive motor 225, briquette recovery holes 226, briquette recovery bin 227, the cavity inside diameter of die cavity 219 is 20 ~ 60mm, cavity height is 10 ~ 30mm, briquette recovery holes 226 internal diameter is 30 ~ 100mm, and briquette recovery holes 226 internal diameter is greater than the cavity inside diameter of die cavity 219, described reinforced drive motor 201 is for having the motor of rotating, the rotating shaft connection wire rod 202 of reinforced drive motor 201, rotational drive motor 203 and coal dust storage warehouse 204 are located on screw mandrel 202, and form lead screw transmission mechanism with screw mandrel 202, powder storage warehouse 204 can with screw mandrel 202 for axis rotates by rotational drive motor 203, the rotating shaft that briquette pushes drive motor 225 connects briquette propelling movement rotating shaft 224, one end that briquette pushes pivoted arm 223 is connected with propelling movement rotating shaft 224, the other end of briquette propelling movement pivoted arm 223 pushes baffle plate 222 with briquette and is connected, it is semicircular arc that briquette pushes baffle plate 222, its internal diameter is identical with the cavity inside diameter of die cavity 219, briquette pushes baffle plate 222 and can move in a circle at the upper surface of briquette test board 221 centered by briquette propelling movement rotating shaft 224 under briquette pushes the effect of drive motor 225, push on the movement locus of baffle plate 222 at briquette, can successively above die cavity 219, above laser testing region 228 and briquette recovery holes 226, the vertical view of briquette test board 221 as shown in Figure 4.
As shown in accompanying drawing 2a-2f, spectra collection analyzing subsystem comprises laser instrument 301, condenser lens 302, spectrometer 303, fibre-optical probe 304, optical fiber 305, computing machine 306, laser instrument 301 is connected with computing machine 306, fibre-optical probe 304 is connected with one end of optical fiber 305, the other end of optical fiber 305 is connected with spectrometer 303, and spectrometer 303 is connected with computing machine 306.
The implementation of above-mentioned three kinds of coal dusts sampling subsystems 100 and the implementation of two kinds of coal dust cake of press subsystems 200 can combination in any, thus the implementation of six kinds of different coal characteristic on-line measuring devices based on LIBS can be obtained, as shown in accompanying drawing 2a-2f.
As shown in Figure 5, pulverized coal particle is A and B at a distance of maximum 2 on the surface, pulverized coal particle is respectively C and D at a distance of maximum and satisfied 2 lines and perpendicular 2 of AB 2 lines on the surface, then this pulverized coal particle out-of-shape degree is AB 2 distances and CD 2 ratio of distances constants.
In order to understand further the present invention, following explanation is done to the course of work of device provided by the invention:
The pressurized air that first coal dust sampling subsystem 100 utilizes pressurized container 104 to provide forms negative pressure in stopple coupon 101, or utilize belt gear to rotate to just to wind powder flow direction by the stopple coupon 107 of band elbow, make to be with the stopple coupon 107 of elbow to form the bypass of wind powder circulation, or utilize lead screw transmission mechanism sampling box 116 to be sent into sampling in wind powder pipe road 1, realize taking out coal dust from wind powder pipe road, then lead screw transmission mechanism is utilized to send in die cavity by the coal dust taken out, by the pressed powder method of one-shot formula or the formula of rushing more, with the pressure of 20 ~ 30 tons, coal dust is pressed into briquette, recycling LIBS carries out on-line checkingi to the coal characteristic of briquette.
If adopt above-mentioned one-shot formula coal dust cake of press method, after the coal dust taken out enters coal dust storage warehouse 204, reinforced drive motor 201 is opened, coal dust storage warehouse 204 moves near die cavity 208 direction by the effect of the screw mandrel 202 that reinforced drive motor 201 connects, finally move to above die cavity 208, rotational drive motor 203 is opened, coal dust storage warehouse 204 by the work of rotational drive motor 203 in order to screw mandrel 202 for axis rotates, the coal dust in coal dust storage warehouse 204 is made to enter die cavity 208, now the first pressing mechanism 205 is opened, cake of press drift 207 presses down, reinforced drive motor 201 break-in, coal dust storage warehouse 204 moves to the opposite direction in former direction, after cake of press drift 207 moves to preset distance, coal dust in die cavity 208 is pressed into briquette under the effect of cake of press drift 207, then cake of press drift 207 moves up to outside die cavity 208, now rotary drive motor 211 is opened, rotation platform 210 under the effect of rotary drive motor 211 with rotation platform rotating shaft 212 for axis rotate, die cavity 208 is rotated to laser testing region 228 together with briquette, the coal characteristic of LIBS to briquette is utilized to detect, after detection completes, die cavity 208 rotates above briquette recovery holes 214 together with briquette by rotation platform 210, now the second pressing mechanism 206 is opened, row's cake drift 209 presses down, after row's cake drift 209 moves to preset distance, briquette is separated with die cavity 208, and fall into briquette recovery bin 215 by briquette recovery holes 214, complete a cake of press process.
If adopt above-mentioned formula of rushing coal dust cake of press method more, after the coal dust taken out enters coal dust storage warehouse 204, reinforced drive motor 201 is opened, coal dust storage warehouse 204 moves near die cavity 219 direction by the effect of the screw mandrel 202 that reinforced drive motor 201 connects, finally move to above die cavity 219, rotational drive motor 203 is opened, coal dust storage warehouse 204 by the work of rotational drive motor 203 in order to screw mandrel 202 for axis rotates, the coal dust in coal dust storage warehouse 204 is made to enter die cavity 219, now the first pressing mechanism 216 and the second pressing mechanism 217 are opened, upper punch 218 presses down, undershoot 220 is moved, reinforced drive motor 201 break-in, coal dust storage warehouse 204 moves to the opposite direction in former direction, after upper punch 218 moves to preset distance, coal dust in die cavity 219 is pressed into briquette under the effect of upper punch 218 and undershoot 220, then upper punch 218 moves upward, undershoot 220 is moved briquette is delivered to outside die cavity 219, now briquette propelling movement drive motor 225 is opened, briquette pushes baffle plate 222 pushes the effect of drive motor 225 at briquette under and briquette is pushed to laser testing region 228, the coal characteristic of LIBS to briquette is utilized to detect, after detection completes, briquette pushes baffle plate 222 and briquette is pushed to briquette recovery holes 226, briquette falls into briquette recovery bin 227 by briquette recovery holes 226, complete a cake of press process.
The above-mentioned course of work utilizing the coal characteristic of LIBS to briquette to detect is, the pulse laser that laser instrument 301 sends impacts on briquette surface after condenser lens 302 focuses on, plasma is formed and luminescence in briquette surface, fibre-optical probe 304 plasma emission spectrum is collected, the light signal collected is transferred to the collection realizing spectroscopic data in spectrometer 303 through optical fiber 305, the data of collection are transferred to computing machine 306 and carry out analyzing and processing, according to the Quantitative Analysis Model of coal characteristic in computing machine 306, the coal characteristic of low-order coal can be obtained.
Above-described embodiment is not the exhaustive of embodiment; also can there is other embodiment; above-described embodiment object is the present invention is described, but not limits the scope of the invention, and all application come by simple change of the present invention all drop in protection scope of the present invention.
This patent specification use-case goes to show the present invention, comprising optimal mode, and those of ordinary skill in the art is manufactured and uses the present invention.This invents the content that delegatable scope comprises embodiment in the content of claims and instructions and other embodiment.These other examples also should belong to the scope of claims of the present invention, as long as they contain the technical characteristic described by the identical written language of claim, or they include with claim without essence difference similar literal language described by technical characteristic.
All patents, the full content of patented claim and other list of references should be incorporated to present specification by reference.But if a term in the application conflicts mutually with the term including list of references in, preferential with the term of the application.
All scopes disclosed herein all comprise end points, and are combine independently of one another between end points.
It should be noted that " first ", " second " or similar vocabulary do not represent any order, quality or importance, are only used to distinguish different technical characteristics.The qualifier " approximately " used in conjunction with quantity comprises the implication that described value and content context are specified.(such as: it includes error when measuring specific quantity).
Claims (33)
1. a coal characteristic on-line measuring device, is characterized in that, comprises coal dust sampling subsystem (100), coal dust cake of press subsystem (200) and spectra collection analyzing subsystem (300).
2. coal characteristic on-line measuring device according to claim 1, is characterized in that, described coal dust sampling subsystem (100) adopts the combination of one of following method or following two or more method arbitrarily to sample:
A. negative-pressure ward effect is utilized to sample;
B. wind powder mobilization is utilized to sample;
C. mechanical arm is utilized to sample.
3. coal characteristic on-line measuring device according to claim 2, it is characterized in that, described is sampled as the coal dust obtaining low-order coal from the wind powder mixture of the correct position in the horizontal or vertical wind powder pipe road (1) be arranged between the outlet of Thermal generation unit coal pulverizer and burner inlet.
4. coal characteristic on-line measuring device according to claim 3, it is characterized in that, correct position place distance coal pulverizer outlet in described vertical wind powder pipe road (1) is greater than 300mm, and the junction of distance wind powder pipe road elbow and vertically-supplying air powder pipeline (1) is greater than 300mm.
5. coal characteristic on-line measuring device according to claim 3, it is characterized in that, correct position place distance burner inlet in the wind powder pipe road (1) of described level is greater than 300mm, and the junction in distance wind powder pipe road elbow and horizontal wind powder pipe road (1) is greater than 300mm.
6. coal characteristic on-line measuring device according to claim 3, is characterized in that, the internal diameter in described wind powder pipe road (1) is 100 ~ 1000mm.
7. coal characteristic on-line measuring device according to claim 3, is characterized in that, the moist ash-free basis gross heat value of described low-order coal is less than 24MJ/kg.
8. coal characteristic on-line measuring device according to claim 3, it is characterized in that, described coal characteristic comprises the combination of one of following index or following two or more indexs arbitrarily: calorific value, ash content, volatile content, moisture, carbon content and sulfur content, wherein the scope of calorific value is that moist ash-free basis gross heat value is less than 24MJ/kg, the scope of volatile content is sky butt volatile content is 0 ~ 50%, the scope of ash content is sky dry basis ash content content is 0 ~ 40%, the scope of moisture is air-dried moisture content is 0 ~ 50%, the scope of carbon content is sky butt carbon content is 40 ~ 90%, the scope of sulfur content is sky butt sulfur content is 0 ~ 10%.
9. coal characteristic on-line measuring device according to claim 3, it is characterized in that, described wind powder mixture meets the combination of one of following index or following two or more indexs arbitrarily in the duct: flow velocity is 10 ~ 50m/s, temperature is 50 ~ 300 DEG C, humidity is 0 ~ 75%, and coal powder density is 5 ~ 2000g/m
3.
10. coal characteristic on-line measuring device according to claim 3, it is characterized in that, the physical features of described coal dust meets the combination of one of following index or following two or more indexs arbitrarily: screening mean grain size is 0 ~ 1000 μm, out-of-shape degree is 1:1 to 10000:1, and bulk density is 0.4 ~ 0.9t/m
3.
11. coal characteristic on-line measuring devices according to claim 2, it is characterized in that, the described coal dust utilizing negative-pressure ward effect to sample sampling subsystem (100) comprises stopple coupon (101), coal dust delivery pipe (103), pressurized container (104), cyclone separator (105), stopple coupon (101) one end penetrates in an opening on the wind powder pipe road (1) between coal pulverizer outlet and burner inlet, stopple coupon (101) other end is connected with coal dust delivery pipe (103), a branch of coal dust delivery pipe (103) is connected with the entrance of cyclone separator (105), another branch of coal dust delivery pipe (105) is connected with pressurized container (104).
12. coal characteristic on-line measuring devices according to claim 11, it is characterized in that, the described coal dust utilizing negative-pressure ward effect to sample sampling subsystem (100), also comprise exhaust emission tube (106), one end of exhaust emission tube (106) is connected with the gas separaion mouth of cyclone separator (105), and the other end of exhaust emission tube (106) penetrates in another opening on wind powder pipe road (1).
13. coal characteristic on-line measuring devices according to claim 11 or 12, it is characterized in that, stopple coupon (101), coal dust delivery pipe (103) and exhaust emission tube (106) are separately installed with valve (102).
14. coal characteristic on-line measuring devices according to claim 2, it is characterized in that, the described coal dust utilizing wind powder mobilization to sample sampling subsystem (100) comprises the stopple coupon (107) of band elbow, coal dust delivery pipe (112), cyclone separator (105), in the wind powder pipe road (1) of stopple coupon (107) elbow one end with elbow between coal pulverizer outlet and burner inlet, the other end is connected with the one end of coal dust delivery pipe (112), the other end of coal dust delivery pipe (112) is connected with the entrance of cyclone separator (105).
15. coal characteristic on-line measuring devices according to claim 14, is characterized in that, described elbow is 90 ° of elbows.
16. coal characteristic on-line measuring devices according to claim 14, it is characterized in that, the described coal dust utilizing wind powder mobilization to sample sampling subsystem (100) also comprises the first rotating shaft (108), second rotating shaft (109), belt (110), drive motor (111), first rotating shaft (108) is arranged on the band stopple coupon (107) of elbow and the junction of coal dust delivery pipe (112), the stopple coupon (107) of band elbow can be rotated relative to coal dust delivery pipe (112), drive motor (111) is for having the motor of rotating, the rotating shaft of drive motor (111) is connected with the second rotating shaft (109), the two ends of belt (110) connect the first rotating shaft (108) and the second rotating shaft (109) respectively, form belt gear.
17. coal characteristic on-line measuring devices according to claim 16, it is characterized in that, the described coal dust utilizing wind powder mobilization to sample sampling subsystem (100) also comprises exhaust emission tube (106), one end of exhaust emission tube (106) is connected with the gas separaion mouth of cyclone separator (105), and the other end of exhaust emission tube (106) penetrates in another opening on wind powder pipe road (1).
18. coal characteristic on-line measuring devices according to claim 16 or 17, is characterized in that, coal dust delivery pipe (112) and exhaust emission tube (106) are separately installed with valve (102).
19. coal characteristic on-line measuring devices according to claim 2, it is characterized in that, the described coal dust utilizing mechanical arm to sample sampling subsystem (100) comprises sampling box (116), inlet seal valve (117), exit seal valve (118), coal dust delivery pipe (119), described inlet seal valve (117) is arranged on wind powder pipe road (1), described coal dust delivery pipe (119) is connected with wind powder pipe road (1), exit seal valve (118) is arranged on the junction in coal dust delivery pipe (119) and wind powder pipe road (1).
20. coal characteristic on-line measuring devices according to claim 19, it is characterized in that, the described coal dust utilizing mechanical arm to sample sampling subsystem (100) also comprises back and forth movement drive motor (113), screw mandrel (114), rotational drive motor (115), back and forth movement drive motor (113) is for having the motor of rotating, the rotating shaft connection wire rod (114) of back and forth movement drive motor (113), rotational drive motor (115) and sampling box (116) are located on screw mandrel (114), and form lead screw transmission mechanism with described screw mandrel (114), the rotating shaft of rotational drive motor (115) is connected with sampling box (116).
21. coal characteristic on-line measuring devices according to claim 2, is characterized in that, the sampling time of described coal dust sampling subsystem (100) is 0 ~ 5min.
22. coal characteristic on-line measuring devices according to claim 1, is characterized in that, described coal dust cake of press subsystem (200) adopts the combination of one of following method or following two kinds of methods that coal dust is pressed into briquette:
A. one-shot formula powder cake of press method;
B. rush formula powder cake of press method more.
23. coal characteristic on-line measuring devices according to claim 22, it is characterized in that, the physical features of described briquette meets the combination of one of following index or following two or more indexs arbitrarily: upper surface shape is the combination of one of circular, oval, polygon or wherein two or more shape arbitrarily, and upper surface area is 0 ~ 100cm
2, thickness is 0 ~ 30mm, and surface smoothness deviation is less than 100 μm, and surfaceness is less than 20 μm.
24. coal characteristic on-line measuring devices according to claim 22, it is characterized in that, the described coal dust cake of press subsystem (200) of one-shot formula powder cake of press method that utilizes comprises the first pressing mechanism (205), the second pressing mechanism (206), cake of press drift (207), die cavity (208), row's cake drift (209), and the kind of drive of the first pressing mechanism (205) and the second pressing mechanism (206) is one in mechanical drive, hydrostatic transmission and pneumatic transmission or combination in any.
25. coal characteristic on-line measuring devices according to claim 24, it is characterized in that, the described coal dust cake of press subsystem (200) of one-shot formula powder cake of press method that utilizes also comprises rotating shaft connection rotation platform rotating shaft (212) of rotation platform (210), rotary drive motor (211), rotation platform rotating shaft (212), stationary platform (213), rotary drive motor (211), rotation platform rotating shaft (212) is connected with rotation platform (210), and rotation platform (210) is placed in stationary platform (213).
26. coal characteristic on-line measuring devices according to claim 25, it is characterized in that, the described coal dust cake of press subsystem (200) of one-shot formula powder cake of press method that utilizes also comprises briquette recovery holes (214), briquette recovery bin (215), briquette recovery holes (214) is positioned in stationary platform (213), and briquette recovery bin (215) is positioned at immediately below briquette recovery holes (214).
27. coal characteristic on-line measuring devices according to claim 22, it is characterized in that, the coal dust cake of press subsystem (200) that formula powder cake of press method is rushed in described utilization more comprises the first pressing mechanism (216), the second pressing mechanism (217), upper punch (218), die cavity (219), undershoot (220), and the kind of drive of the first pressing mechanism (216) and the second pressing mechanism (217) is the combination of one of kinds of drive such as mechanical drive, hydrostatic transmission and pneumatic transmission or wherein two or more kind of drive arbitrarily.
28. coal characteristic on-line measuring devices according to claim 27, it is characterized in that, the coal dust cake of press subsystem (200) that formula powder cake of press method is rushed in described utilization more also comprises briquette test board (221), briquette pushes baffle plate (222), briquette pushes pivoted arm (223), briquette pushes rotating shaft (224), briquette pushes drive motor (225), the rotating shaft that briquette pushes drive motor (225) connects briquette propelling movement rotating shaft (224), one end of briquette propelling movement pivoted arm (223) pushes rotating shaft (224) with briquette and is connected, the other end of briquette propelling movement pivoted arm (223) pushes baffle plate (222) with briquette and is connected.
29. coal characteristic on-line measuring devices according to claim 28, it is characterized in that, the coal dust cake of press subsystem (200) that formula powder cake of press method is rushed in described utilization more also comprises briquette recovery holes (226), briquette recovery bin (227), briquette recovery holes (226) is positioned on briquette test board (221), and briquette recovery bin (227) is positioned at immediately below briquette recovery holes (226).
30. coal characteristic on-line measuring devices according to claim 22, it is characterized in that, described coal dust cake of press subsystem (200) also comprises reinforced drive motor (201), screw mandrel (202), rotational drive motor (203), coal dust storage warehouse (204), described reinforced drive motor (201) is for having the motor of rotating, the rotating shaft connection wire rod (202) of reinforced drive motor (201), rotational drive motor (203) and coal dust storage warehouse (204) are located on screw mandrel (202), and form lead screw transmission mechanism with screw mandrel (202), the rotating shaft of rotational drive motor (203) is connected with coal dust storage warehouse (204).
31. coal characteristic on-line measuring devices according to claim 22, is characterized in that, the cake of press time of described coal dust cake of press subsystem (200) is 0 ~ 10min.
32. coal characteristic on-line measuring devices according to claim 1, it is characterized in that, described spectra collection analyzing subsystem (300) comprises laser instrument (301), condenser lens (302), spectrometer (303), fibre-optical probe (304), optical fiber (305), computing machine (306), laser instrument (301) is connected with computing machine (306), fibre-optical probe (304) is connected with one end of optical fiber (305), the other end of optical fiber (305) is connected with spectrometer (303), spectrometer (303) is connected with computing machine (306).
33. coal characteristic on-line measuring devices according to claim 32, is characterized in that, the Measurement and analysis time of the single measurement of described spectra collection analyzing subsystem (300) is 0 ~ 10min; The laser that described laser instrument (301) is launched is pulse laser, and the pulse width of laser is 1 ~ 10ns, and the wavelength of laser is 266nm, 532nm or 1064nm, and the transmission frequency of laser is 1 ~ 20Hz; The measure spectrum data of low-order coal are substituted into this Quantitative Analysis Model, can obtain the coal characteristic of low-order coal by the Quantitative Analysis Model containing coal characteristic in described computing machine (306).
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| PCT/CN2016/075287 WO2016206401A1 (en) | 2015-06-26 | 2016-03-02 | Device for detecting characteristic nature of coal on-line |
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| CN109142430A (en) * | 2017-06-27 | 2019-01-04 | 邸生才 | Wind is delivered coal powder calorific capacity surveying instrument and its measurement method |
| CN109211964A (en) * | 2017-07-05 | 2019-01-15 | 邸生才 | Wind is delivered coal powder calorific value on-line measurement instrument and its measurement method |
| CN107389608A (en) * | 2017-07-13 | 2017-11-24 | 山东华唐环保科技有限公司 | Application on site of the LIBS laser-induced spectral analysis in coal property test |
| CN107782644A (en) * | 2017-11-28 | 2018-03-09 | 保定北能电力科技有限责任公司 | A kind of power plant soot particle diameter distribution on-line measuring device and its detection method |
| CN109406800A (en) * | 2018-02-09 | 2019-03-01 | 北京华泰美景科技发展有限公司 | A kind of on-line automatic analysis system of coal-burning power plant's First air coal dust element |
| CN110763529A (en) * | 2018-07-26 | 2020-02-07 | 武汉金如水科技发展有限公司 | Medium on-line detection method and detection device |
| CN112595705A (en) * | 2020-12-15 | 2021-04-02 | 华中科技大学 | Online powder detection device based on laser-induced breakdown spectroscopy |
| CN112595705B (en) * | 2020-12-15 | 2022-03-29 | 华中科技大学 | Online powder detection device based on laser-induced breakdown spectroscopy |
| CN112875276A (en) * | 2021-01-11 | 2021-06-01 | 南京南环自动化技术有限公司 | Totally-enclosed automatic material taking and discharging and waste material recycling system for coal cakes |
| CN114152485A (en) * | 2021-12-03 | 2022-03-08 | 沃森能源技术（廊坊）有限公司 | Online sampling and analyzing device for gas-solid mixture in pipeline |
| CN115773988A (en) * | 2023-02-06 | 2023-03-10 | 华谱智能科技(天津)有限公司 | Coal quality analysis equipment |
| CN115773988B (en) * | 2023-02-06 | 2023-04-11 | 华谱智能科技(天津)有限公司 | Coal quality analysis equipment |
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| WO2016206401A1 (en) | 2016-12-29 |
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