CN110986080A - Boiler pulverized coal concentration measuring and adjusting device - Google Patents
Boiler pulverized coal concentration measuring and adjusting device Download PDFInfo
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- CN110986080A CN110986080A CN201911121116.XA CN201911121116A CN110986080A CN 110986080 A CN110986080 A CN 110986080A CN 201911121116 A CN201911121116 A CN 201911121116A CN 110986080 A CN110986080 A CN 110986080A
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- 239000003245 coal Substances 0.000 title claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/005—Regulating fuel supply using electrical or electromechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
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- Sustainable Development (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention provides a boiler pulverized coal concentration measuring and adjusting device which comprises a shell, wherein a powder inlet pipe and a powder conveying pipe are fixedly sleeved at the left end and the right end of the shell respectively, a sliding plate is fixedly connected to the inner wall of the shell, a sliding groove is formed in the front surface of the sliding plate, a sliding block is movably sleeved in the sliding groove, a connecting rod is fixedly connected to the front surface of the sliding block, the top of the sliding block is in transmission connection with the inner wall of the sliding plate through a movable spring, a heating plate is fixedly connected to one end of the connecting rod, an adjusting rod is sleeved in the shell through threads, and a rotating shaft is movably. By arranging the ultrasonic generator, the ultrasonic receiver, the signal processing module and the data display module, the concentration of the pulverized coal can be conveniently detected in real time by utilizing ultrasonic waves in the process of conveying the pulverized coal, the problem that the traditional detection is easily influenced by temperature and particle size distribution of pulverized coal to generate errors is avoided, and the accuracy of measuring the concentration of the pulverized coal is improved.
Description
Technical Field
The invention relates to the technical field of boilers, in particular to a boiler pulverized coal concentration measuring and adjusting device.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, wherein most of power plant boilers adopt a pulverized coal combustion mode, and the adjustment of pulverized coal concentration plays a main role in the adjustment process of the combustion working condition of the boiler, so that when the pulverized coal pneumatic powder conveying pipeline of the boiler is used, the pulverized coal concentration in the pipeline is generally required to be measured and adjusted; however, most of existing pulverized coal concentration measuring devices are easily influenced by temperature and particle size distribution when in use, so that errors can be generated, the accuracy of pulverized coal concentration measurement is low, the concentration of pulverized coal in a pipeline cannot be adjusted according to the requirement of boiler combustion, the phenomenon of insufficient combustion is easily generated, the energy is wasted, and therefore a boiler pulverized coal concentration measuring and adjusting device is provided.
Disclosure of Invention
The invention aims to solve the technical problem that the pulverized coal concentration measuring and adjusting device for the boiler is used for solving the problems that the pulverized coal concentration measuring device in the prior art is easily influenced by temperature and particle size distribution, so that errors are generated, the accuracy of pulverized coal concentration measurement is low, the concentration of pulverized coal in a pipeline cannot be adjusted according to the combustion requirement of the boiler, insufficient combustion is easily generated, and energy is wasted.
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions:
a boiler pulverized coal concentration measuring and adjusting device comprises a shell, wherein a powder inlet pipe and a powder conveying pipe are fixedly sleeved at the left end and the right end of the shell respectively, a sliding plate is fixedly connected to the inner wall of the shell, a sliding groove is formed in the front of the sliding plate, a sliding block is sleeved in the sliding groove, a connecting rod is fixedly connected to the front of the sliding block, the top of the sliding block is in transmission connection with the inner wall of the sliding plate through a movable spring, a heating plate is fixedly connected to one end of the connecting rod, an adjusting rod is sleeved on the inner thread of the shell, a rotating shaft is sleeved in the inner activity of the shell, a driven gear is fixedly sleeved at the top end of the rotating shaft, a pointer is fixedly sleeved at the bottom end of the rotating shaft, an indicating disc is sleeved on the outer portion of the bottom end of, the fixed cover in inside of mount has connect the rotating electrical machines, the fixed cover has connect the action wheel on the output shaft of rotating electrical machines, the outer edge of action wheel and driven gear's outer edge intermeshing, one side fixed mounting at shell top has detection mechanism, detection mechanism includes supersonic generator, ultrasonic receiver, signal processing module and data display module, supersonic generator and ultrasonic receiver fixed mounting are respectively at the bottom and the top of defeated powder pipe, ultrasonic receiver's output and signal processing module's input telecommunications connection, signal processing module's output and data display module's input telecommunications connection.
Preferably, the movable spring is located inside the sliding groove, and two ends of the movable spring are fixedly connected with the inner wall of the sliding plate and the top of the sliding block respectively.
Preferably, resistance wires are fixedly installed inside the heating plates, the number of the heating plates is two, and the two heating plates are relatively symmetrical by taking the powder inlet pipe as a symmetrical center.
Preferably, one end of each adjusting rod penetrates through and extends into the shell, the number of the adjusting rods is two, and one end of each adjusting rod is respectively contacted with the top and the bottom of each heating plate.
Preferably, the surface of the indicating dial is provided with scale marks, and the top of the indicating dial is fixedly bonded at the bottom of the shell through adhesive.
Preferably, the number of the baffles is two, the sizes of the two baffles are equal, and the two baffles are symmetrical to each other by taking the rotating shaft as a symmetrical center.
Preferably, the fixing frame is formed by welding a fixing plate and a supporting rod, and the inner wall of the fixing plate is fixedly sleeved with the outer part of the rotating motor.
Preferably, the thickness value of the driving wheel is smaller than that of the driven gear, and the middle part of the driving wheel and the middle part of the driven gear are on the same straight line.
Preferably, the output end of the ultrasonic receiver is in telecommunication connection with the input end of the signal processing module through a lead, and the ultrasonic receiver and the ultrasonic generator are on the same straight line.
The technical scheme of the invention has the following beneficial effects:
according to the scheme, the ultrasonic generator, the ultrasonic receiver, the signal processing module and the data display module are arranged, so that the concentration of the pulverized coal can be conveniently detected in real time by utilizing ultrasonic waves in the pulverized coal conveying process, the problem that the traditional detection is easily influenced by temperature and pulverized coal particle size distribution to generate errors is solved, and the accuracy of pulverized coal concentration measurement is improved;
the rotary shaft, the driven gear, the baffle, the rotary motor and the driving wheel are arranged, so that the concentration of pulverized coal in a pipeline can be adjusted according to the combustion requirement of a boiler in the combustion process of the boiler, the problem of insufficient combustion is avoided, the energy is saved, and the rotating angle of the baffle can be clearly observed by arranging the pointer and the indicating disc, so that the concentration of the pulverized coal can be accurately controlled;
by arranging the heating plate, the pulverized coal can be dried conveniently in the pulverized coal conveying process, so that the pulverized coal can keep dryness, the pulverized coal can be combusted conveniently at the later stage, the pulverized coal combustion speed is increased, and the pulverized coal combustion utilization rate is improved;
through setting up slide, spout, slider, connecting rod, activity spring and regulation pole, can be at the in-process that the buggy was dried, be convenient for adjust the distance between two hot plates according to the humidity of buggy for the speed that the buggy was dried has improved the effect that the buggy was dried.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a partial cross-sectional view of a heating plate according to the present invention;
FIG. 3 is a side view of the slide plate of the present invention;
FIG. 4 is a bottom schematic view of the indicator panel of the present invention;
FIG. 5 is a partial cross-sectional view of the housing of the sensing mechanism of the present invention;
fig. 6 is a schematic diagram of the telecommunications connection of the detection mechanism of the present invention.
[ main component symbol description ]
1. A housing; 2. a slide plate; 3. a chute; 4. a slider; 5. a connecting rod; 6. a movable spring; 7. heating plates; 8. adjusting a rod; 9. a rotating shaft; 10. a driven gear; 11. a pointer; 12. an indicator panel; 13. a baffle plate; 14. a fixed mount; 15. a rotating electric machine; 16. a driving wheel; 17. a detection mechanism; 171. an ultrasonic generator; 172. an ultrasonic receiver; 173. a signal processing module; 174. and a data display module.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides a boiler pulverized coal concentration measuring and adjusting device, aiming at the problems that when the existing pulverized coal concentration measuring device is used, the existing pulverized coal concentration measuring device is easily influenced by temperature and particle size distribution, so that errors can be generated, the accuracy of pulverized coal concentration measurement is low, the concentration of pulverized coal in a pipeline cannot be adjusted according to the combustion requirement of a boiler, the phenomenon of insufficient combustion is easily generated, and energy is wasted.
As shown in fig. 1-6, an embodiment of the present invention provides a boiler pulverized coal concentration measuring and adjusting device, which comprises a housing 1, a powder inlet pipe and a powder delivery pipe are respectively fixedly sleeved at the left and right ends of the housing 1, a sliding plate 2 is fixedly connected to the inner wall of the housing 1, a sliding chute 3 is formed in the front surface of the sliding plate 2, a sliding block 4 is movably sleeved inside the sliding chute 3, a connecting rod 5 is fixedly connected to the front surface of the sliding block 4, the top of the sliding block 4 is in transmission connection with the inner wall of the sliding plate 2 through a movable spring 6, one end of the connecting rod 5 is fixedly connected with a heating plate 7, an adjusting rod 8 is sleeved inside the housing 1 through a thread, a rotating shaft 9 is movably sleeved inside the housing 1, a driven gear 10 is fixedly sleeved at the top end of the rotating shaft 9, a pointer 11 is fixedly sleeved at the bottom end of the rotating shaft 9, an indicating, the top fixedly connected with mount 14 of shell 1, the inside fixed cover that has cup jointed rotating electrical machines 15 of mount 14, the fixed cover has been connected with action wheel 16 on rotating electrical machines 15's the output shaft, the outer edge of action wheel 16 and the outer edge intermeshing of driven gear 10, one side fixed mounting at shell 1 top has detection mechanism 17, detection mechanism 17 includes supersonic generator 171, ultrasonic receiver 172, signal processing module 173 and data display module 174, supersonic generator 171 and ultrasonic receiver 172 are fixed mounting respectively in the bottom and the top of defeated powder pipe, the output of ultrasonic receiver 172 and the input telecommunications connection of signal processing module 173, the output of signal processing module 173 and the input telecommunications connection of data display module 174.
As shown in fig. 3, the movable spring 6 is located inside the sliding groove 3, and two ends of the movable spring 6 are respectively fixedly connected with the inner wall of the sliding plate 2 and the top of the sliding block 4, when the sliding block 4 slides inside the sliding groove 3, the movable spring 6 can stretch and support the sliding block 4, so that the problem that the heating plate 7 is inclined is avoided, and the heating plate 7 can be in a horizontal state.
As shown in fig. 1 and 2, the inside fixed mounting of hot plate 7 has the resistance wire, and the quantity of hot plate 7 is two, and two hot plates 7 use into the powder pipe as the relative symmetry of symmetry center, and when the buggy entered into to shell 1 inside from advancing the powder pipe, hot plate 7 can be dried the buggy, has guaranteed the aridity of buggy to the later stage of being convenient for burns the buggy, has accelerated the speed of buggy burning, has improved the efficiency of buggy burning.
As shown in fig. 1, the one end of adjusting pole 8 runs through and extends to the inside of shell 1, and the quantity of adjusting pole 8 is two, two one ends of adjusting pole 8 contact with the top and the bottom of two hot plates 7 respectively, adjust pole 8 when rotating, make hot plate 7 move down under the thrust effect of adjusting pole 8, the extension deformation can take place for activity spring 6 this moment, can be according to the humidity of advancing buggy in the powder pipe, adjust the distance between the hot plate 7, thereby be convenient for carry out fast drying to the buggy.
As shown in fig. 1 and 4, the surface of indicator panel 12 is provided with scale marks, and the top of indicator panel 12 passes through the fixed bonding of gluing agent in the bottom of shell 1, when opening rotating electrical machines 15, make action wheel 16 take place to rotate, and drive driven gear 10 and take place to rotate, make rotation axis 9 take place to rotate under driven gear 10's drive, and pointer 11 can take place to rotate under rotation axis 9's drive, through observing the position that pointer 11 indicates, the pivoted angle size of understanding rotation axis 9 that can be clear.
As shown in fig. 1, the quantity of baffle 13 is two, and the size of two baffles 13 equals, two baffles 13 use rotation axis 9 as the mutual symmetry of center of symmetry, when rotation axis 9 took place to rotate, two baffles 13 can take place to rotate under rotation axis 9's drive, make the contained angle between two baffles 13 and the shell 1 inner wall change, can control the input of buggy according to the demand of boiler burning, the problem of the too much emergence insufficient combustion of buggy because of the feeding has been avoided, thereby the energy has been practiced thrift.
As shown in fig. 1, the fixing frame 14 is formed by welding a fixing plate and a supporting rod, and the inner wall of the fixing plate is fixedly sleeved with the outside of the rotating electrical machine 15, so that when the rotating electrical machine 15 operates, the fixing frame can support the rotating electrical machine 15, and the problem that the rotating electrical machine 15 severely shakes is avoided, thereby ensuring the stability of the rotating electrical machine 15 during operation.
As shown in fig. 1, the thickness value of the driving wheel 16 is smaller than the thickness value of the driven gear 10, and the middle part of the driving wheel 16 and the middle part of the driven gear 10 are on the same straight line, when the driving wheel 16 and the driven gear 10 are engaged to rotate, the driving wheel 16 and the driven gear 10 can be tightly engaged, so that the rotation stability of the driving wheel 16 and the driven gear 10 is ensured.
As shown in fig. 1, 5 and 6, the output end of the ultrasonic receiver 172 is in telecommunication connection with the input end of the signal processing module 173 through a wire, and the ultrasonic receiver 172 is in the same straight line with the ultrasonic generator 171, when the ultrasonic generator 171 emits ultrasonic waves, the ultrasonic receiver 172 receives the acoustic waves, and the received acoustic wave and ultrasonic receiver 172 transmits the acoustic waves to the signal processing module 173 in a signal manner, and the signal processing module 173 amplifies the signals and transmits new signals to the data display module 174, and the data display module 174 displays the received acoustic wave data on the display screen of the detection mechanism 17 for people to watch, and by measuring the attenuation coefficient of the ultrasonic waves in the pulverized coal and combining with a mathematical counting means, the concentration of the pulverized coal can be obtained in real time, and meanwhile, because the ultrasonic waves are not influenced by the temperature and the particle size distribution, thereby improving the accuracy of measuring the concentration of the pulverized coal.
In the above scheme, it should be noted that: the rotating electrical machine 15 is suitable for the electrical machine with the model number Y30L-2, and the rotating electrical machine 15 is electrically connected to the mains circuit, the signal processing module 173 and the data display module 174 inside the detecting mechanism 17 are both soldered on the circuit board, and the signal processing module 173 and the data display module 174 are electrically and signal-connected through the circuit on the circuit board.
In the above scheme, firstly, when the pulverized coal enters the shell 1 from the powder inlet pipe, the adjusting rod 8 is rotated to enable the heating plates 7 to move downwards under the action of the thrust of the adjusting rod 8, at the moment, the sliding block 4 slides in the sliding chute 3 under the action of the tensile force of the connecting rod 5 and pulls the movable spring 6 to stretch and deform, so that the distance between the two heating plates 7 can be adjusted conveniently according to the humidity of the pulverized coal, the pulverized coal drying speed is increased, the pulverized coal drying effect is improved, then the rotating motor 15 is opened to enable the driving wheel 16 to rotate and drive the driven gear 10 to rotate, the rotating shaft 9 is driven by the driven gear 10 to rotate, the pointer 11 is driven by the rotating shaft 9 to rotate, the rotating angle of the rotating shaft 9 can be clearly known by observing the position pointed by the pointer 11, and meanwhile, the two baffles 13 are driven by the rotating shaft 9 to rotate, the included angle between the two baffles 13 and the inner wall of the shell 1 is changed, the feeding amount of the pulverized coal can be controlled according to the requirement of boiler combustion, the problem that the pulverized coal is insufficiently combusted due to excessive feeding is avoided, energy is saved, finally, after the ultrasonic generator 171 emits ultrasonic waves, the ultrasonic receiver 172 receives the acoustic waves, the received acoustic wave and ultrasonic receiver 172 transmits the acoustic waves to the signal processing module 173 in a signal mode, the signal processing module 173 amplifies the signals and transmits new signals to the data display module 174, the data display module 174 displays the received acoustic wave data on the display screen of the detection mechanism 17 for people to watch, and the concentration of the pulverized coal can be obtained in real time by measuring the attenuation coefficient of the ultrasonic waves in the pulverized coal and combining with a mathematical counting means, meanwhile, the ultrasonic waves are not influenced by temperature and particle size distribution, thereby improving the accuracy of measuring the concentration of the pulverized coal.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In the description of the present invention, it is to be understood that the terms "upper", "one end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that the terms "provided with" and "connected" are to be interpreted broadly, unless explicitly stated or limited otherwise. For example, the connection can be fixed, detachable or integrated; may be directly connected or indirectly connected through an intermediate. The fixed connection can be common technical schemes such as welding, threaded connection and clamping. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The boiler pulverized coal concentration measuring and adjusting device is characterized by comprising a shell, wherein a powder inlet pipe and a powder conveying pipe are fixedly sleeved at the left end and the right end of the shell respectively, a sliding plate is fixedly connected to the inner wall of the shell, a sliding groove is formed in the front of the sliding plate, a sliding block is sleeved in the sliding groove in a movable mode, a connecting rod is fixedly connected to the front of the sliding block, the top of the sliding block is in transmission connection with the inner wall of the sliding plate through a movable spring, a heating plate is fixedly connected to one end of the connecting rod, an adjusting rod is sleeved on the inner thread of the shell, a rotating shaft is sleeved in the inner movable mode of the shell, a driven gear is fixedly sleeved at the top end of the rotating shaft, a pointer is fixedly sleeved at the bottom end of the rotating shaft, an indicating disc is fixedly sleeved at the outer part, the fixed cover in inside of mount has connect the rotating electrical machines, the fixed cover has connect the action wheel on the output shaft of rotating electrical machines, the outer edge of action wheel and driven gear's outer edge intermeshing, one side fixed mounting at shell top has detection mechanism, detection mechanism includes supersonic generator, ultrasonic receiver, signal processing module and data display module, supersonic generator and ultrasonic receiver fixed mounting are respectively at the bottom and the top of defeated powder pipe, ultrasonic receiver's output and signal processing's input telecommunications connection, signal processing module's output and data display module's input telecommunications connection.
2. The device for measuring and adjusting the concentration of pulverized coal in a boiler according to claim 1, wherein the movable spring is located inside the chute, and two ends of the movable spring are respectively and fixedly connected with the inner wall of the sliding plate and the top of the sliding block.
3. The boiler pulverized coal concentration measuring and adjusting device according to claim 1, wherein resistance wires are fixedly installed inside the heating plates, the number of the heating plates is two, and the two heating plates are relatively symmetrical with the powder inlet pipe as a symmetrical center.
4. The pulverized coal concentration measuring and adjusting device for boilers as claimed in claim 1, wherein one end of the adjusting rod penetrates and extends to the inside of the casing, and the number of the adjusting rods is two, and one end of the two adjusting rods is respectively contacted with the top and bottom of the two heating plates.
5. The boiler pulverized coal concentration measuring and adjusting device according to claim 1, wherein scale marks are arranged on the surface of the indicating disc, and the top of the indicating disc is fixedly bonded to the bottom of the outer shell through an adhesive.
6. The device for measuring and adjusting the concentration of pulverized coal in a boiler according to claim 1, wherein the number of the baffles is two, the two baffles are equal in size, and the two baffles are symmetrical to each other with the rotating shaft as a symmetrical center.
7. The device for measuring and adjusting the concentration of pulverized coal in a boiler according to claim 1, wherein the fixing frame is formed by welding a fixing plate and a supporting rod, and the inner wall of the fixing plate is fixedly sleeved with the outside of the rotating motor.
8. The device for measuring and adjusting the concentration of pulverized coal in a boiler according to claim 1, wherein the thickness of the driving wheel is smaller than that of the driven gear, and the middle part of the driving wheel and the middle part of the driven gear are on the same straight line.
9. The device for measuring and adjusting the pulverized coal concentration of a boiler according to claim 1, wherein an output end of the ultrasonic receiver is in telecommunication connection with an input end of the signal processing module through a lead, and the ultrasonic receiver and the ultrasonic generator are on the same straight line.
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| CN201911121116.XA CN110986080B (en) | 2019-11-15 | 2019-11-15 | Boiler pulverized coal concentration measuring and adjusting device |
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| CN201911121116.XA CN110986080B (en) | 2019-11-15 | 2019-11-15 | Boiler pulverized coal concentration measuring and adjusting device |
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| CN110986080A true CN110986080A (en) | 2020-04-10 |
| CN110986080B CN110986080B (en) | 2021-12-31 |
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| CN204893981U (en) * | 2015-08-20 | 2015-12-23 | 温州乐控节能科技有限公司 | Gripper of industrial machinery arm |
| CN105251602A (en) * | 2015-11-06 | 2016-01-20 | 浙江宜清环境技术有限公司 | Pulverized coal concentration adjusting valve for coal mill of coal pulverizing system |
| CN105546569A (en) * | 2016-01-05 | 2016-05-04 | 上海发电设备成套设计研究院 | Pulverized coal distributer capable of adjusting air speed and pulverized coal concentration |
| CN108826352A (en) * | 2018-04-09 | 2018-11-16 | 南京新瓦特智控科技有限公司 | A kind of intelligence coal powder density speed fineness on-line monitoring leveling system and its method |
| CN110296431A (en) * | 2019-06-26 | 2019-10-01 | 西安热工研究院有限公司 | A kind of fineness of pulverized coal automatic regulating system and method based on static separation device |
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