CN112557071A - Aerodynamic dust generating device - Google Patents
Aerodynamic dust generating device Download PDFInfo
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- CN112557071A CN112557071A CN202011221538.7A CN202011221538A CN112557071A CN 112557071 A CN112557071 A CN 112557071A CN 202011221538 A CN202011221538 A CN 202011221538A CN 112557071 A CN112557071 A CN 112557071A
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- 239000000428 dust Substances 0.000 title claims abstract description 325
- 230000009471 action Effects 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 27
- 230000003068 static effect Effects 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 4
- 238000011056 performance test Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 16
- 238000005507 spraying Methods 0.000 description 16
- 230000008859 change Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000033228 biological regulation Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- G—PHYSICS
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- 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
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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
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Abstract
The invention relates to an aerodynamic dust generating device, belonging to the field of dust removing equipment of mining machinery, which is characterized in that a dust removing performance test of dust removing equipment measures the components and the content of dust particles contained in a dust removing space before, during and after dust removing is finished, wherein the most key index is that when the dust removing work is started in a certain time, the total amount of dust in a dust source space stably, constantly and orderly generates dust according to a certain rule and uniformly sprays the dust into the dust removing space, so that the dust removing equipment finishes the dust removing test. The device is widely applicable to dust removal efficiency test of dust equipment under bad conditions in systems and industries such as mines, petrochemical industry, metallurgy, electric power, environmental protection and the like.
Description
Technical Field
The invention discloses a aerodynamic dust generating device, belongs to the field of mining machinery dust removing equipment, and particularly relates to a dust removing performance test of dust removing equipment, which needs to measure the components and the content of dust particles contained in a dust removing space before, during and after dust removing, wherein the most key index is that when the dust removing work is started in a certain time, the total amount of dust in a dust source space stably, continuously and orderly generates dust according to a certain rule and uniformly sprays the dust into the dust removing space, so that the dust removing equipment can complete a dust removing test. The device is widely applicable to dust removal efficiency test of dust equipment under bad conditions in systems and industries such as mines, petrochemical industry, metallurgy, electric power, environmental protection and the like.
Background
The dust removal process is a very complex engineering process with many uncertain factors and obvious disturbance influence, and the performance test of the dust removal equipment can be completed only through a rigorous and complete experiment. The dust-collecting equipment can be made to stand up against without fail in the more complex working environment. Although the skilled artisan has devised numerous protocols and equipment for this experiment, as follows: the invention provides a dust generation device, application number CN201910141036.4, which realizes sample diversification, is similar to objective working conditions, has good experimental data representativeness, stable dust generation airflow and uniform dust particle distribution, but does not solve the problem of poor dust source repeatability; the invention relates to a dust generation control device; the dust-removing device is provided with application number CN201810795460.6, a spiral conveying structure is arranged at the end part, close to a dust outlet, of a conveying mechanism, a stirring part is arranged at the upper part of the spiral conveying structure, the stirring part and the conveying mechanism synchronously rotate, and the stirring part comprises a plurality of stirring rods which are arranged at a plurality of angles; the mechanical part of the invention is extremely complex, and the invention can not be competent for the influence of dust abrasion in the dust environment, and the problem of dust source repeated release can not be realized; the prior art is not adaptable to the basic requirements of uniform, continuous, dynamic, ordered, controllable and the like of the dust source release, so that a quick, effective, convenient and economical dust generating device is urgently needed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and solves the problems which cannot be solved by the prior art, and discloses a pneumatic dust generating device which is simple, reliable, not easy to damage and capable of working stably for a long time in all weather and maintenance-free under the environment.
The invention relates to a aerodynamic dust generating device, which is characterized in that a plurality of dynamic precise dust adding components at different positions are taken as cores, and an adjustable air-saving power source, a speed equalizer, an automatic crescent gas distribution disc, an automatic jet flow mixing section, a constant speed section and a jet bell mouth are combined to form the aerodynamic continuous dust generating device with adjustable dust amount, the aerodynamic continuous dust generating device consists of an adjustable flow air power source 1, a speed equalizer 2, an automatic crescent gas distribution disc 3, an automatic jet flow mixing section 4, a constant speed section 5, a jet bell mouth 6, a dynamic precise dust adding component actuator 7, an adjusting control center 8 and a control signal line 9, the adjustable flow air power source 1 is connected with the adjusting control center 8 through the control signal line 9, the adjusting control center 8 is also connected with the dynamic precise dust adding component actuator 7 through the control signal line 9, and the speed equalizer 2 is structurally characterized in that the right side is provided with a connection bell mouth, The left side of the middle part streamline connection transition section is a uniform speed straight pipe section, the power gas generated by the flow-adjustable gas power source 1 and the right side of the uniform speed device 2 are connected with a bell mouth and arranged on the same central line, the right side of the middle part streamline connection transition section is a power gas access port, the middle part ensures that the power gas is completely received by the access bell mouth of the uniform speed device 2, the uniform speed straight pipe section is in threaded sealing connection with the inlet of the automatic crescent gas distribution disc 3, the automatic crescent gas distribution disc 3 is connected with the adjusting control center 8 through a control signal line 9, the outermost ring of the automatic crescent gas distribution disc 3 is uniformly provided with 6-36 crescent gas distribution holes, the automatic crescent gas distribution disc 3 rotates reversely at a constant speed under the instruction of the adjusting control center 8, the 6-36 crescent teeth are mutually separated and work independently, the distribution is from small gas flow to large gas flow from zero to small gas flow and then to zero along with crescent gas flow, the automatic crescent gas distribution disc 3 is uniformly provided with 6-36 crescent gas distribution holes from middle, the 6-36 crescent air distribution holes and the 6-36 crescent air distribution holes of the outer ring are arranged in a staggered manner and are mutually independent partitions, in time sequence, the crescent air distribution holes start to be changed from small to large from zero at the position corresponding to the maximum air distribution amount of the outer ring, the outer ring corresponds to the minimum position of the crescent, the position corresponding to the maximum air distribution amount of the inner ring of the middle ring is changed from large to small and corresponds to the change of the air distribution amount of the next crescent of the outer ring from small to large from zero, the theoretical limit difference range of a phase angle between the crescent of the outer ring and the crescent of the middle ring is 60-10 degrees, the automatic crescent air distribution disc 3 and the right side of the dynamic precise dust adding assembly actuator 7 are dynamically sealed, the dynamic precise dust adding assembly actuator 7 consists of an assembly cylindrical device 17, a static crescent air distribution disc 18, a crescent air distribution channel 19, a dynamic precise dust adding assembly 20 and an assembly actuator 21, a static crescent gas distribution disc 18 is fixed on a cylindrical component 17 on the right side of the dynamic precise dust adding component actuator 7, the static crescent gas distribution disc 18 is provided with uniformly distributed outer ring crescents and crescents which are close to the middle ring and have the angle difference range of 60-10 degrees, the crescents correspond to the crescents of the automatic crescent gas distribution disc 3 one by one, the inner ring crescents close to the middle ring are communicated with crescent gas distribution gas channels 19 arranged in the middle of the cylindrical component 17, each outer ring crescents correspond to a dynamic precise dust adding component on the dynamic precise dust adding component 20, the dynamic precise dust adding components 20 are fixed on the cylindrical component 17 and are uniformly distributed outside the cylindrical body, the component actuator 21 fixed on the left side of the cylindrical component 17 is hermetically connected with the dynamic precise dust adding components filled with dust one by one-way action valves one by one to be collected on the middle of the left side of the cylindrical component 17 by the component actuator 21 and collected with the crescent gas distribution gas Connect for 7 left side exports of dynamic precision addition dust subassembly executor, 7 left side exports of dynamic precision addition dust subassembly executor and 4 right side thread sealing of automatic jet mixing section, 4 left sides of automatic jet mixing section and 5 right side thread sealing of section at the uniform velocity, spray 6 right sides of horn mouth and 5 left sides thread sealing of section at the uniform velocity.
The application method of the aerodynamic dust generating device is characterized in that an assembly actuator 21 fixed on the left side of an assembly cylindrical device 17 enables dust in a dynamic precise dust adding part filled with dust to uniformly and orderly enter a uniform speed section 5 through aerodynamic force, and orderly dust spraying in space is realized through a spraying bell mouth 6, and the method comprises the following specific steps:
firstly, filling a dynamic precise dust adding piece filled with dust according to an instruction of an adjusting control center 8, so that a dynamic precise dust adding component 20 is filled with dust amount required by an experiment, and the flow-adjustable air power source 1 and the automatic crescent gas distribution disc 3 complete starting preparation;
secondly, the adjusting control center 8 sends a working instruction to the flow-adjustable gas power source 1 to start and send out pneumatic power, the automatic crescent gas distribution disc 3 is only connected with the pair of outer rings for receiving the instruction and the automatic crescent gas distribution port close to the middle ring, other crescent moon on the automatic crescent gas distribution disc 3 is always in a closed state, meanwhile, the automatic crescent gas distribution disc 3 starts to rotate anticlockwise, the pneumatic power with certain flow and pressure generated by the flow-adjustable gas power source 1 reaches the automatic crescent gas distribution disc 3 through the speed equalizer 2 and is only connected with the pair of outer rings for receiving the instruction and the automatic crescent gas distribution port close to the middle ring, a part of the pneumatic power transmits the pneumatic power to dust in a dynamic precise dust adding part on the corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port through the outer ring gas distribution port on the static crescent gas distribution disc 18, under the action of aerodynamic force, the component actuator 21 fixed on the left side of the component cylindrical device 17 is hermetically connected with the dynamic precision dust adding component filled with dust one by one through a one-way action valve, the other part of aerodynamic force is communicated with a crescent gas distribution channel 19 arranged in the middle of the component cylindrical device 17 through an inner ring crescent close to the middle ring, is connected to the left outlet of the dynamic fine dust adding assembly actuator 7 through an assembly actuator 21 fixed on the left side of the assembly cylindrical device 17, so that the two parts of aerodynamic force are combined into a whole to lead the dust in the dynamic fine dust adding part with the dust to pass through the left outlet of the dynamic fine dust adding component actuator 7 through the left component actuator 21, under the action of aerodynamic force, the dust uniformly and orderly enters the uniform velocity section 5, and the dust is orderly sprayed in space through the spraying bell mouth 6. Along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, the crescent gas amount of the outer ring is smaller and smaller, the dust can be stirred more and more uniformly under the action of aerodynamic force, along with the increasing of the air pressure of the inner ring, the dynamic precise dust adding part with the crescent gas of the outer ring correspondingly filled with the dust has less and less dust passing through the one-way action valve until the dust is zero, and finally the dust is closed;
the third step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, along with the change of the air pressure of the inner ring from large to small, a second outer ring crescent passage is gradually communicated, the air pressure of the outer ring is gradually increased from small to large, the outer ring crescent gas distribution port on the static crescent gas distribution disc 18 transmits aerodynamic force to dust in a second dynamic precise dust adding piece on a corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port, under the action of the aerodynamic force, a component actuator 21 fixed on the left side of a component cylindrical device 17 is in one-to-one sealing connection with the dynamic precise dust adding piece filled with the dust through a one-way action valve, along with the decrease of the air flow of the inner ring, the part of aerodynamic force is communicated with a crescent gas distribution passage 19 arranged at the middle position of the component cylindrical device 17 through the inner ring crescent close to the middle ring, and is converged to the dynamic precise dust adding component through the component actuator 21 fixed on the left side of the component cylindrical device 17 When the air pressure of the outer ring is from small to high to a maximum value, the air quantity of the inner ring is from large to low to a minimum value area, at the moment, the crescent moon of the first inner ring is completely closed, the crescent moon of the second inner ring is instantly opened, the aerodynamic force is divided into two parts, the aerodynamic force of the outer ring is changed from large to low, the aerodynamic force of the inner ring is changed from small to high, one part of the aerodynamic force is communicated with a crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17 through the crescent moon close to the middle ring and is converged to the left outlet of the dynamic precise dust adding component actuator 7, the other part of the aerodynamic force acts on dust in the dynamic precise dust adding component, and is converged to the left outlet of the dynamic precise dust adding component actuator 7 through a one-way acting valve and a component actuator 21 fixed on the left side of the component cylindrical device 17 and the dynamic precise dust adding component containing dust, under the action of aerodynamic force, the dust uniformly and orderly enters the uniform velocity section 5, and the dust is orderly sprayed in space through the spraying bell mouth 6. Along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, the crescent gas amount of the outer ring is smaller and smaller, the dust can be stirred more and more uniformly under the action of aerodynamic force, along with the increasing of the air pressure of the inner ring, the dust of a dynamic precise dust adding part with the dust correspondingly arranged in the crescent of the second outer ring is less and less through the one-way action valve until the dust is zero, and finally the dynamic precise dust adding part is closed;
the fourth step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, as the second inner ring crescent reaches the maximum aerodynamic area, the second inner ring crescent changes from large to small, the third outer ring crescent passage is gradually communicated, and the outer ring aerodynamic force changes from small to large;
the fifth step: when the sixth to thirty-six inner ring crescents change from large to small along with the counterclockwise rotation of the automatic crescent gas distribution disc 3 and the inner ring crescent reaches the maximum aerodynamic area, the first outer ring crescent passage is gradually communicated, and the outer ring aerodynamic force is about to reach the maximum area from small to large, the adjusting control center 8 sends a stop instruction;
and a sixth step: the adjustable flow pneumatic power source 1 and the automatic crescent gas distribution plate 3 stop working.
The invention relates to a pneumatic dust generating device, which has the advantages that: the dust removal performance test of the dust removal equipment measures the components and the content of dust particles contained in a dust removal space before, during and after dust removal is finished, wherein the most key index is that the total amount of dust in a dust source space stably, continuously and orderly generates dust according to a certain rule from the beginning of dust removal work within a certain time and the dust is uniformly sprayed into the dust removal space for the dust removal equipment to finish the dust removal test. The device is widely applicable to dust removal efficiency test of dust equipment under bad conditions in systems and industries such as mines, petrochemical industry, metallurgy, electric power, environmental protection and the like.
Drawings
FIG. 1 is a schematic view of an aerodynamic dust generating device
The reference numbers in the figures are:
1. flow-adjustable pneumatic power source 2, speed equalizer 3 and automatic crescent gas distribution plate
4. Automatic jet mixing section 5, uniform speed section 6 and jet bell mouth
7. Dynamic precise dust adding assembly actuator 8, adjusting control center 9 and control signal line
FIG. 2 is a schematic view of an actuator 7 of the dynamic precision dust adding assembly
The reference numbers in the figures are:
17. component cylindrical device 18, static crescent gas distribution plate
19. Crescent gas distribution channel 20, dynamic precision dust adding component 21 and component actuator.
Detailed Description
The device consists of an adjustable flow air power source 1, a speed equalizer 2, an automatic crescent gas distribution plate 3, an automatic jet flow mixing section 4, a uniform speed section 5, a jet bell mouth 6, a dynamic precise dust adding component actuator 7, an adjusting control center 8 and a control signal line 9, wherein the adjustable flow air power source 1 is connected with the adjusting control center 8 through the control signal line 9, the adjusting control center 8 is also connected with the dynamic precise dust adding component actuator 7 through the control signal line 9, the speed equalizer 2 is structurally characterized in that the right side is an access bell mouth, the middle streamline is connected with the left side of a transition section to be a uniform speed straight pipe section, the power air generated by the adjustable flow air power source 1 and the right side access bell mouth of the speed equalizer 2 are arranged on the same central line, the right side is a power air access port, the middle ensures that the power air is completely received by the access bell mouth of the speed equalizer 2, and the uniform speed straight pipe section is in threaded sealing connection with the inlet of the automatic, the automatic crescent gas distribution disc 3 is connected with a regulation control center 8 through a control signal line 9, 24 crescent gas distribution holes are uniformly distributed on the outermost ring of the automatic crescent gas distribution disc 3, the automatic crescent gas distribution disc 3 rotates anticlockwise at a constant speed under the instruction of the regulation control center 8, 24 crescent teeth are mutually separated and work independently, the gas distribution amount starts from zero to be large along with crescent teeth and then from large to small to zero, 24 crescent gas distribution holes are uniformly distributed between the middle ring and the outermost ring of the automatic crescent gas distribution disc 3, the 24 crescent gas distribution holes and the 24 crescent gas distribution holes of the outer ring are also mutually separated independently in staggered arrangement, in time sequence, the crescent gas distribution holes start from small to large from zero at the position corresponding to the maximum gas distribution amount of the outer ring, the outer ring corresponds to the minimum position of crescent teeth, the middle ring corresponds to the maximum gas distribution amount of the inner ring, the crescent teeth change corresponds to the change from small to large at the next outer ring from zero, the outer ring crescent and the middle ring crescent have a theoretical limit difference range of a phase angle of 30 degrees, the automatic crescent gas distribution disc 3 is dynamically sealed with the right side of the dynamic precise dust adding assembly actuator 7, the dynamic precise dust adding assembly actuator 7 consists of an assembly cylindrical device 17, a static crescent gas distribution disc 18, a crescent gas distribution channel 19, a dynamic precise dust adding assembly 20 and an assembly actuator 21, the static crescent gas distribution disc 18 is fixed on the assembly cylindrical device 17 on the right side of the dynamic precise dust adding assembly actuator 7, the static crescent gas distribution disc 18 is provided with uniformly distributed outer ring crescents and crescents with a difference angle range of 30 degrees close to the middle ring, the crescents correspond to the crescents of the automatic crescent gas distribution disc 3 one by one, the inner ring crescents close to the middle ring are communicated with the crescent gas distribution channel 19 arranged at the middle position of the assembly cylindrical device 17, each outer ring crescents corresponds to one dynamic precise dust adding assembly 20, dynamic precision adds dust subassembly 20 and is fixed in subassembly cylindrical device 17 and the equipartition is outside the cylinder, be fixed in subassembly executor 21 on the left of subassembly cylindrical device 17 and the dynamic precision that is equipped with the dust and add the dust spare and pass through one-way action valve sealing connection one by one, and gather in subassembly cylindrical device 17 left side middle part and crescent gas distribution channel 19 through subassembly executor 21 and connect for 7 left side exports of dynamic precision addition dust subassembly executor, 7 left side exports of dynamic precision addition dust subassembly executor and 4 right side thread sealing connection of automatic jet mixing section, 4 left sides of automatic jet mixing section and 5 right side thread sealing connection of uniform velocity section, spray 5 left sides thread sealing connection of 6 right side sections of horn mouth.
The application method of the aerodynamic dust generating device is characterized in that an assembly actuator 21 fixed on the left side of an assembly cylindrical device 17 enables dust in a dynamic precise dust adding part filled with dust to uniformly and orderly enter a uniform speed section 5 through aerodynamic force, and orderly dust spraying in space is realized through a spraying bell mouth 6, and the method comprises the following specific steps:
firstly, filling a dynamic precise dust adding piece filled with dust according to an instruction of an adjusting control center 8, so that a dynamic precise dust adding component 20 is filled with dust amount required by an experiment, and the flow-adjustable air power source 1 and the automatic crescent gas distribution disc 3 complete starting preparation;
secondly, the adjusting control center 8 sends a working instruction to the flow-adjustable gas power source 1 to start and send out pneumatic power, the automatic crescent gas distribution disc 3 is only connected with the pair of outer rings for receiving the instruction and the automatic crescent gas distribution port close to the middle ring, other crescent moon on the automatic crescent gas distribution disc 3 is always in a closed state, meanwhile, the automatic crescent gas distribution disc 3 starts to rotate anticlockwise, the pneumatic power with certain flow and pressure generated by the flow-adjustable gas power source 1 reaches the automatic crescent gas distribution disc 3 through the speed equalizer 2 and is only connected with the pair of outer rings for receiving the instruction and the automatic crescent gas distribution port close to the middle ring, a part of the pneumatic power transmits the pneumatic power to dust in a dynamic precise dust adding part on the corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port through the outer ring gas distribution port on the static crescent gas distribution disc 18, under the action of aerodynamic force, the component actuator 21 fixed on the left side of the component cylindrical device 17 is hermetically connected with the dynamic precision dust adding component filled with dust one by one through a one-way action valve, the other part of aerodynamic force is communicated with a crescent gas distribution channel 19 arranged in the middle of the component cylindrical device 17 through an inner ring crescent close to the middle ring, is connected to the left outlet of the dynamic fine dust adding assembly actuator 7 through an assembly actuator 21 fixed on the left side of the assembly cylindrical device 17, so that the two parts of aerodynamic force are combined into a whole to lead the dust in the dynamic fine dust adding part with the dust to pass through the left outlet of the dynamic fine dust adding component actuator 7 through the left component actuator 21, under the action of aerodynamic force, the dust uniformly and orderly enters the uniform velocity section 5, and the dust is orderly sprayed in space through the spraying bell mouth 6. Along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, the crescent gas amount of the outer ring is smaller and smaller, the dust can be stirred more and more uniformly under the action of aerodynamic force, along with the increasing of the air pressure of the inner ring, the dynamic precise dust adding part with the crescent gas of the outer ring correspondingly filled with the dust has less and less dust passing through the one-way action valve until the dust is zero, and finally the dust is closed;
the third step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, along with the change of the air pressure of the inner ring from large to small, a second outer ring crescent passage is gradually communicated, the air pressure of the outer ring is gradually increased from small to large, the outer ring crescent gas distribution port on the static crescent gas distribution disc 18 transmits aerodynamic force to dust in a second dynamic precise dust adding piece on a corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port, under the action of the aerodynamic force, a component actuator 21 fixed on the left side of a component cylindrical device 17 is in one-to-one sealing connection with the dynamic precise dust adding piece filled with the dust through a one-way action valve, along with the decrease of the air flow of the inner ring, the part of aerodynamic force is communicated with a crescent gas distribution passage 19 arranged at the middle position of the component cylindrical device 17 through the inner ring crescent close to the middle ring, and is converged to the dynamic precise dust adding component through the component actuator 21 fixed on the left side of the component cylindrical device 17 When the air pressure of the outer ring is from small to high to a maximum value, the air quantity of the inner ring is from large to low to a minimum value area, at the moment, the crescent moon of the first inner ring is completely closed, the crescent moon of the second inner ring is instantly opened, the aerodynamic force is divided into two parts, the aerodynamic force of the outer ring is changed from large to low, the aerodynamic force of the inner ring is changed from small to high, one part of the aerodynamic force is communicated with a crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17 through the crescent moon close to the middle ring and is converged to the left outlet of the dynamic precise dust adding component actuator 7, the other part of the aerodynamic force acts on dust in the dynamic precise dust adding component, and is converged to the left outlet of the dynamic precise dust adding component actuator 7 through a one-way acting valve and a component actuator 21 fixed on the left side of the component cylindrical device 17 and the dynamic precise dust adding component containing dust, under the action of aerodynamic force, the dust uniformly and orderly enters the uniform velocity section 5, and the dust is orderly sprayed in space through the spraying bell mouth 6. Along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, the crescent gas amount of the outer ring is smaller and smaller, the dust can be stirred more and more uniformly under the action of aerodynamic force, along with the increasing of the air pressure of the inner ring, the dust of a dynamic precise dust adding part with the dust correspondingly arranged in the crescent of the second outer ring is less and less through the one-way action valve until the dust is zero, and finally the dynamic precise dust adding part is closed;
the fourth step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, as the second inner ring crescent reaches the maximum aerodynamic area, the second inner ring crescent changes from large to small, the third outer ring crescent passage is gradually communicated, and the outer ring aerodynamic force changes from small to large;
the fifth step: when the automatic crescent gas distribution disc 3 rotates anticlockwise and reaches a maximum aerodynamic area along with the twenty-fourth inner ring crescent, the twenty-fourth inner ring crescent changes from large to small, the first outer ring crescent passage is gradually communicated, and the outer ring aerodynamic force is about to reach the maximum area from small to large, the adjusting control center 8 sends a stop instruction;
and a sixth step: the adjustable flow pneumatic power source 1 and the automatic crescent gas distribution plate 3 stop working.
The device consists of an adjustable flow air power source 1, a speed equalizer 2, an automatic crescent gas distribution plate 3, an automatic jet flow mixing section 4, a uniform speed section 5, an injection bell mouth 6, a dynamic precise dust adding component actuator 7, an adjusting control center 8 and a control signal line 9, wherein the adjustable flow air power source 1 is connected with the adjusting control center 8 through the control signal line 9, the adjusting control center 8 is also connected with the dynamic precise dust adding component actuator 7 through the control signal line 9, the speed equalizer 2 is structurally characterized in that the right side is an access bell mouth, the left side of a middle streamline connecting transition section is a uniform speed straight pipe section, the power air generated by the adjustable flow air power source 1 and the right side access bell mouth of the speed equalizer 2 are arranged on the same central line, the right side is a power air access port, the middle part ensures that the power air is completely received by the access bell mouth of the speed equalizer 2, and the uniform speed straight pipe section is in threaded sealing connection with the inlet of the automatic crescent gas, the automatic crescent gas distribution disc 3 is connected with a regulation control center 8 through a control signal line 9, the outermost ring of the automatic crescent gas distribution disc 3 is uniformly provided with 6 crescent gas distribution holes, the automatic crescent gas distribution disc 3 rotates anticlockwise at a constant speed under the instruction of the regulation control center 8, the 6 crescent teeth are mutually separated and work independently, the gas distribution amount starts from zero to increase along with the crescent, then from large to small until zero, the 6 crescent gas distribution holes are uniformly distributed between the middle ring and the outermost ring of the automatic crescent gas distribution disc 3, the 6 crescent gas distribution holes and the 6 crescent gas distribution holes of the outer ring are also mutually separated independently in staggered arrangement, in time sequence, the crescent gas distribution hole starts from small to large from zero corresponding to the maximum gas distribution amount of the outer ring, the outer ring corresponds to the minimum crescent ring and is the maximum gas distribution amount of the inner ring of the middle ring, the crescent change from large to small corresponds to the change from small to the next crescent gas distribution amount of the outer ring from zero, the outer ring crescent and the middle ring crescent have a theoretical limit difference range of a phase angle of 60 degrees, the automatic crescent gas distribution disc 3 is dynamically sealed with the right side of the dynamic precise dust adding assembly actuator 7, the dynamic precise dust adding assembly actuator 7 consists of an assembly cylindrical device 17, a static crescent gas distribution disc 18, a crescent gas distribution channel 19, a dynamic precise dust adding assembly 20 and an assembly actuator 21, the static crescent gas distribution disc 18 is fixed on the assembly cylindrical device 17 on the right side of the dynamic precise dust adding assembly actuator 7, the static crescent gas distribution disc 18 is provided with uniformly distributed outer ring crescents and crescents with a difference angle range of 60 degrees close to the middle ring, the crescents correspond to the crescents of the automatic crescent gas distribution disc 3 one by one, the inner ring crescents close to the middle ring are communicated with the crescent gas distribution channel 19 arranged at the middle position of the assembly cylindrical device 17, each outer ring crescents corresponds to one dynamic precise dust adding assembly 20, dynamic precision adds dust subassembly 20 and is fixed in subassembly cylindrical device 17 and the equipartition is outside the cylinder, be fixed in subassembly executor 21 on the left of subassembly cylindrical device 17 and the dynamic precision that is equipped with the dust and add the dust spare and pass through one-way action valve sealing connection one by one, and gather in subassembly cylindrical device 17 left side middle part and crescent gas distribution channel 19 through subassembly executor 21 and connect for 7 left side exports of dynamic precision addition dust subassembly executor, 7 left side exports of dynamic precision addition dust subassembly executor and 4 right side thread sealing connection of automatic jet mixing section, 4 left sides of automatic jet mixing section and 5 right side thread sealing connection of uniform velocity section, spray 5 left sides thread sealing connection of 6 right side sections of horn mouth.
The application method of the aerodynamic dust generating device is characterized in that an assembly actuator 21 fixed on the left side of an assembly cylindrical device 17 enables dust in a dynamic precise dust adding part filled with dust to uniformly and orderly enter a uniform speed section 5 through aerodynamic force, and orderly dust spraying in space is realized through a spraying bell mouth 6, and the method comprises the following specific steps:
firstly, filling a dynamic precise dust adding piece filled with dust according to an instruction of an adjusting control center 8, so that a dynamic precise dust adding component 20 is filled with dust amount required by an experiment, and the flow-adjustable air power source 1 and the automatic crescent gas distribution disc 3 complete starting preparation;
secondly, the adjusting control center 8 sends a working instruction to the flow-adjustable gas power source 1 to start and send out pneumatic power, the automatic crescent gas distribution disc 3 is only connected with the pair of outer rings for receiving the instruction and the automatic crescent gas distribution port close to the middle ring, other crescent moon on the automatic crescent gas distribution disc 3 is always in a closed state, meanwhile, the automatic crescent gas distribution disc 3 starts to rotate anticlockwise, the pneumatic power with certain flow and pressure generated by the flow-adjustable gas power source 1 reaches the automatic crescent gas distribution disc 3 through the speed equalizer 2 and is only connected with the pair of outer rings for receiving the instruction and the automatic crescent gas distribution port close to the middle ring, a part of the pneumatic power transmits the pneumatic power to dust in a dynamic precise dust adding part on the corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port through the outer ring gas distribution port on the static crescent gas distribution disc 18, under the action of aerodynamic force, the component actuator 21 fixed on the left side of the component cylindrical device 17 is hermetically connected with the dynamic precision dust adding component filled with dust one by one through a one-way action valve, the other part of aerodynamic force is communicated with a crescent gas distribution channel 19 arranged in the middle of the component cylindrical device 17 through an inner ring crescent close to the middle ring, is connected to the left outlet of the dynamic fine dust adding assembly actuator 7 through an assembly actuator 21 fixed on the left side of the assembly cylindrical device 17, so that the two parts of aerodynamic force are combined into a whole to lead the dust in the dynamic fine dust adding part with the dust to pass through the left outlet of the dynamic fine dust adding component actuator 7 through the left component actuator 21, under the action of aerodynamic force, the dust uniformly and orderly enters the uniform velocity section 5, and the dust is orderly sprayed in space through the spraying bell mouth 6. Along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, the crescent gas amount of the outer ring is smaller and smaller, the dust can be stirred more and more uniformly under the action of aerodynamic force, along with the increasing of the air pressure of the inner ring, the dynamic precise dust adding part with the crescent gas of the outer ring correspondingly filled with the dust has less and less dust passing through the one-way action valve until the dust is zero, and finally the dust is closed;
the third step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, along with the change of the air pressure of the inner ring from large to small, a second outer ring crescent passage is gradually communicated, the air pressure of the outer ring is gradually increased from small to large, the outer ring crescent gas distribution port on the static crescent gas distribution disc 18 transmits aerodynamic force to dust in a second dynamic precise dust adding piece on a corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port, under the action of the aerodynamic force, a component actuator 21 fixed on the left side of a component cylindrical device 17 is in one-to-one sealing connection with the dynamic precise dust adding piece filled with the dust through a one-way action valve, along with the decrease of the air flow of the inner ring, the part of aerodynamic force is communicated with a crescent gas distribution passage 19 arranged at the middle position of the component cylindrical device 17 through the inner ring crescent close to the middle ring, and is converged to the dynamic precise dust adding component through the component actuator 21 fixed on the left side of the component cylindrical device 17 When the air pressure of the outer ring is from small to high to a maximum value, the air quantity of the inner ring is from large to low to a minimum value area, at the moment, the crescent moon of the first inner ring is completely closed, the crescent moon of the second inner ring is instantly opened, the aerodynamic force is divided into two parts, the aerodynamic force of the outer ring is changed from large to low, the aerodynamic force of the inner ring is changed from small to high, one part of the aerodynamic force is communicated with a crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17 through the crescent moon close to the middle ring and is converged to the left outlet of the dynamic precise dust adding component actuator 7, the other part of the aerodynamic force acts on dust in the dynamic precise dust adding component, and is converged to the left outlet of the dynamic precise dust adding component actuator 7 through a one-way acting valve and a component actuator 21 fixed on the left side of the component cylindrical device 17 and the dynamic precise dust adding component containing dust, under the action of aerodynamic force, the dust uniformly and orderly enters the uniform velocity section 5, and the dust is orderly sprayed in space through the spraying bell mouth 6. Along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, the crescent gas amount of the outer ring is smaller and smaller, the dust can be stirred more and more uniformly under the action of aerodynamic force, along with the increasing of the air pressure of the inner ring, the dust of a dynamic precise dust adding part with the dust correspondingly arranged in the crescent of the second outer ring is less and less through the one-way action valve until the dust is zero, and finally the dynamic precise dust adding part is closed;
the fourth step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, as the second inner ring crescent reaches the maximum aerodynamic area, the second inner ring crescent changes from large to small, the third outer ring crescent passage is gradually communicated, and the outer ring aerodynamic force changes from small to large;
the fifth step: when the automatic crescent gas distribution disc 3 rotates anticlockwise and the sixth inner ring crescent reaches the maximum aerodynamic area, the sixth inner ring crescent changes from large to small, the first outer ring crescent passage is gradually communicated, and the outer ring aerodynamic force is about to reach the maximum area from small to large, the adjusting control center 8 sends a stop instruction;
and a sixth step: the adjustable flow pneumatic power source 1 and the automatic crescent gas distribution plate 3 stop working.
The device consists of an adjustable flow air power source 1, a speed equalizer 2, an automatic crescent gas distribution plate 3, an automatic jet flow mixing section 4, a uniform speed section 5, a jet bell mouth 6, a dynamic precise dust adding component actuator 7, an adjusting control center 8 and a control signal line 9, wherein the adjustable flow air power source 1 is connected with the adjusting control center 8 through the control signal line 9, the adjusting control center 8 is also connected with the dynamic precise dust adding component actuator 7 through the control signal line 9, the speed equalizer 2 is structurally characterized in that the right side is an access bell mouth, the middle streamline is connected with the left side of a transition section to be a uniform speed straight pipe section, the power air generated by the adjustable flow air power source 1 and the right side access bell mouth of the speed equalizer 2 are arranged on the same central line, the right side is a power air access port, the middle ensures that the power air is completely received by the access bell mouth of the speed equalizer 2, and the uniform speed straight pipe section is in threaded sealing connection with the inlet of the automatic, the automatic crescent gas distribution disc 3 is connected with a regulation control center 8 through a control signal line 9, the outermost ring of the automatic crescent gas distribution disc 3 is uniformly provided with 36 crescent gas distribution holes, the automatic crescent gas distribution disc 3 rotates anticlockwise at a constant speed under the instruction of the regulation control center 8, the 36 crescent teeth are mutually separated and work independently, the gas distribution amount starts from zero to increase along with the crescent, then from large to small until zero, 36 crescent gas distribution holes are uniformly distributed between the middle ring and the outermost ring of the automatic crescent gas distribution disc 3, the 36 crescent gas distribution holes and the 36 crescent gas distribution holes of the outer ring are also mutually separated independently in staggered arrangement, in time sequence, the crescent gas distribution holes start from small to large from zero at the position corresponding to the maximum gas distribution amount of the outer ring, the outer ring corresponds to the minimum position of the crescent, the middle ring corresponds to the maximum gas distribution amount of the inner ring, the crescent gas distribution changes correspond to the changes from small to large at the next outer ring from zero, the outer ring crescent and the middle ring crescent have a theoretical limit difference range of phase angle of 10 degrees, the automatic crescent gas distribution disc 3 is dynamically sealed with the right side of the dynamic precise dust adding component actuator 7, the dynamic precise dust adding component actuator 7 consists of a component cylindrical device 17, a static crescent gas distribution disc 18, a crescent gas distribution channel 19, a dynamic precise dust adding component 20 and a component actuator 21, the static crescent gas distribution disc 18 is fixed on the component cylindrical device 17 on the right side of the dynamic precise dust adding component actuator 7, the static crescent gas distribution disc 18 is provided with uniformly distributed outer ring crescents and crescents with a difference angle range of 10 degrees close to the middle ring, the crescents correspond to the crescents of the automatic crescent gas distribution disc 3 one by one, the inner ring crescents close to the middle ring are communicated with the crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17, each outer ring crescents corresponds to one dynamic precise dust adding component on the dynamic precise dust adding component 20, dynamic precision adds dust subassembly 20 and is fixed in subassembly cylindrical device 17 and the equipartition is outside the cylinder, be fixed in subassembly executor 21 on the left of subassembly cylindrical device 17 and the dynamic precision that is equipped with the dust and add the dust spare and pass through one-way action valve sealing connection one by one, and gather in subassembly cylindrical device 17 left side middle part and crescent gas distribution channel 19 through subassembly executor 21 and connect for 7 left side exports of dynamic precision addition dust subassembly executor, 7 left side exports of dynamic precision addition dust subassembly executor and 4 right side thread sealing connection of automatic jet mixing section, 4 left sides of automatic jet mixing section and 5 right side thread sealing connection of uniform velocity section, spray 5 left sides thread sealing connection of 6 right side sections of horn mouth.
The application method of the aerodynamic dust generating device is characterized in that an assembly actuator 21 fixed on the left side of an assembly cylindrical device 17 enables dust in a dynamic precise dust adding part filled with dust to uniformly and orderly enter a uniform speed section 5 through aerodynamic force, and orderly dust spraying in space is realized through a spraying bell mouth 6, and the method comprises the following specific steps:
firstly, filling a dynamic precise dust adding piece filled with dust according to an instruction of an adjusting control center 8, so that a dynamic precise dust adding component 20 is filled with dust amount required by an experiment, and the flow-adjustable air power source 1 and the automatic crescent gas distribution disc 3 complete starting preparation;
secondly, the adjusting control center 8 sends a working instruction to the flow-adjustable gas power source 1 to start and send out pneumatic power, the automatic crescent gas distribution disc 3 is only connected with the pair of outer rings for receiving the instruction and the automatic crescent gas distribution port close to the middle ring, other crescent moon on the automatic crescent gas distribution disc 3 is always in a closed state, meanwhile, the automatic crescent gas distribution disc 3 starts to rotate anticlockwise, the pneumatic power with certain flow and pressure generated by the flow-adjustable gas power source 1 reaches the automatic crescent gas distribution disc 3 through the speed equalizer 2 and is only connected with the pair of outer rings for receiving the instruction and the automatic crescent gas distribution port close to the middle ring, a part of the pneumatic power transmits the pneumatic power to dust in a dynamic precise dust adding part on the corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port through the outer ring gas distribution port on the static crescent gas distribution disc 18, under the action of aerodynamic force, the component actuator 21 fixed on the left side of the component cylindrical device 17 is hermetically connected with the dynamic precision dust adding component filled with dust one by one through a one-way action valve, the other part of aerodynamic force is communicated with a crescent gas distribution channel 19 arranged in the middle of the component cylindrical device 17 through an inner ring crescent close to the middle ring, is connected to the left outlet of the dynamic fine dust adding assembly actuator 7 through an assembly actuator 21 fixed on the left side of the assembly cylindrical device 17, so that the two parts of aerodynamic force are combined into a whole to lead the dust in the dynamic fine dust adding part with the dust to pass through the left outlet of the dynamic fine dust adding component actuator 7 through the left component actuator 21, under the action of aerodynamic force, the dust uniformly and orderly enters the uniform velocity section 5, and the dust is orderly sprayed in space through the spraying bell mouth 6. Along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, the crescent gas amount of the outer ring is smaller and smaller, the dust can be stirred more and more uniformly under the action of aerodynamic force, along with the increasing of the air pressure of the inner ring, the dynamic precise dust adding part with the crescent gas of the outer ring correspondingly filled with the dust has less and less dust passing through the one-way action valve until the dust is zero, and finally the dust is closed;
the third step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, along with the change of the air pressure of the inner ring from large to small, a second outer ring crescent passage is gradually communicated, the air pressure of the outer ring is gradually increased from small to large, the outer ring crescent gas distribution port on the static crescent gas distribution disc 18 transmits aerodynamic force to dust in a second dynamic precise dust adding piece on a corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port, under the action of the aerodynamic force, a component actuator 21 fixed on the left side of a component cylindrical device 17 is in one-to-one sealing connection with the dynamic precise dust adding piece filled with the dust through a one-way action valve, along with the decrease of the air flow of the inner ring, the part of aerodynamic force is communicated with a crescent gas distribution passage 19 arranged at the middle position of the component cylindrical device 17 through the inner ring crescent close to the middle ring, and is converged to the dynamic precise dust adding component through the component actuator 21 fixed on the left side of the component cylindrical device 17 When the air pressure of the outer ring is from small to high to a maximum value, the air quantity of the inner ring is from large to low to a minimum value area, at the moment, the crescent moon of the first inner ring is completely closed, the crescent moon of the second inner ring is instantly opened, the aerodynamic force is divided into two parts, the aerodynamic force of the outer ring is changed from large to low, the aerodynamic force of the inner ring is changed from small to high, one part of the aerodynamic force is communicated with a crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17 through the crescent moon close to the middle ring and is converged to the left outlet of the dynamic precise dust adding component actuator 7, the other part of the aerodynamic force acts on dust in the dynamic precise dust adding component, and is converged to the left outlet of the dynamic precise dust adding component actuator 7 through a one-way acting valve and a component actuator 21 fixed on the left side of the component cylindrical device 17 and the dynamic precise dust adding component containing dust, under the action of aerodynamic force, the dust uniformly and orderly enters the uniform velocity section 5, and the dust is orderly sprayed in space through the spraying bell mouth 6. Along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, the crescent gas amount of the outer ring is smaller and smaller, the dust can be stirred more and more uniformly under the action of aerodynamic force, along with the increasing of the air pressure of the inner ring, the dust of a dynamic precise dust adding part with the dust correspondingly arranged in the crescent of the second outer ring is less and less through the one-way action valve until the dust is zero, and finally the dynamic precise dust adding part is closed;
the fourth step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, as the second inner ring crescent reaches the maximum aerodynamic area, the second inner ring crescent changes from large to small, the third outer ring crescent passage is gradually communicated, and the outer ring aerodynamic force changes from small to large;
the fifth step: when the automatic crescent gas distribution disc 3 rotates anticlockwise and reaches a maximum aerodynamic area along with the thirty-sixth inner ring crescent, the thirty-sixth inner ring crescent is changed from large to small, the first outer ring crescent passage is gradually communicated, and the outer ring aerodynamic force is about to reach the maximum area from small to large, the adjusting control center 8 sends a stop instruction;
and a sixth step: the adjustable flow pneumatic power source 1 and the automatic crescent gas distribution plate 3 stop working.
Claims (1)
1. A aerodynamic dust generating device is characterized in that a plurality of dynamic precise dust adding components at different positions are taken as cores, and an adjustable air-saving power source, a speed equalizer, an automatic crescent gas distribution disc, an automatic jet flow mixing section, a constant speed section and a jet bell mouth are combined to form the aerodynamic continuous dust generating device with adjustable dust amount, the aerodynamic continuous dust generating device is composed of an adjustable flow air power source (1), a speed equalizer (2), an automatic crescent gas distribution disc (3), an automatic jet flow mixing section (4), a constant speed section (5), a jet bell mouth (6), a dynamic precise dust adding component actuator (7), an adjusting control center (8) and a control signal line (9), the adjustable flow air power source (1) is connected with the adjusting control center (8) through the control signal line (9), the adjusting control center (8) is also connected with the dynamic precise dust adding component actuator (7) through the control signal line (9), the speed equalizer (2) is structurally characterized in that the right side is provided with an access bell mouth, the left side of a middle streamline connection transition section is provided with a uniform speed straight pipe section, power gas generated by a flow adjusting gas power source (1) and the right side access bell mouth of the speed equalizer (2) are arranged on the same central line, the right side of the middle streamline connection transition section is provided with a power gas access port, the middle part ensures that the power gas is completely received by the access bell mouth of the speed equalizer (2), the uniform speed straight pipe section is hermetically connected with an inlet thread of an automatic crescent gas distribution disc (3), the automatic crescent gas distribution disc (3) is connected with an adjusting control center (8) through a control signal line (9), the outermost ring of the automatic crescent gas distribution disc (3) is uniformly provided with 6-36 crescent gas distribution holes, the automatic crescent gas distribution disc (3) rotates anticlockwise at a uniform speed under the instruction of the adjusting control center (8), the 6-36 crescent teeth are mutually separated and work independently, and the gas distribution amount is from zero to small to, then from big to small to zero, 6-36 crescent-shaped air distribution holes are uniformly distributed between the middle ring and the outermost ring of the automatic crescent-shaped air distribution disc (3), the 6-36 crescent-shaped air distribution holes and the 6-36 crescent-shaped air distribution holes of the outer ring are arranged in a staggered manner and are mutually independent partitions, in time sequence, the crescent-shaped air distribution holes start to start from small to big from zero at the position corresponding to the maximum air distribution amount of the outer ring, the outer ring corresponds to the minimum crescent-shaped position and is the position corresponding to the maximum air distribution amount of the inner ring of the middle ring, the crescent changes from big to small correspond to the changes of the next crescent of the outer ring from small to big air distribution amount from zero, the theoretical limit difference range of the phase angle between the crescent of the outer ring and the crescent of the middle ring is 60-10 degrees, the automatic crescent-shaped air distribution disc (3) and the right side of the dynamic precise dust adding assembly actuator (7) are dynamically sealed, and the dynamic precise dust adding assembly actuator (7) is formed by a cylindrical, The dust-removing device comprises a static crescent gas distribution disc (18), crescent gas distribution channels (19), a dynamic precise dust-adding component (20) and a component actuator (21), wherein the static crescent gas distribution disc (18) is fixed on a component cylindrical device (17) on the right side of the dynamic precise dust-adding component actuator (7), the static crescent gas distribution disc (18) is provided with uniformly distributed outer ring crescents and crescents which are close to a middle ring and have the angle difference range of 60-10 degrees, the crescents correspond to the crescents of the automatic crescent gas distribution disc (3) one by one, an inner ring crescents close to the middle ring are communicated with the crescent gas distribution channels (19) arranged at the middle position of the component cylindrical device (17), each outer ring crescents corresponds to one dynamic precise dust-adding component on the dynamic precise dust-adding component (20), and the dynamic precise dust-adding component (20) is fixed on the component cylindrical device (17) and is uniformly distributed outside the cylindrical device, be fixed in left subassembly executor (21) of subassembly cylindrical device (17) and the dynamic precision that is equipped with the dust and add the dust spare and pass through one-way action valve sealing connection one by one, and gather in subassembly cylindrical device (17) left side middle part and crescent gas distribution passageway (19) tandem through subassembly executor (21) and add dust subassembly executor (7) left side export for the dynamic precision, export and automatic efflux mixed section (4) right side thread sealing connection are added to the dynamic precision, automatic efflux mixed section (4) left side and section (5) right side thread sealing connection at the uniform velocity, jet horn mouth (6) right side section (5) left side thread sealing connection at the uniform velocity.
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