CN112557071B - Aerodynamic dust generating device - Google Patents
Aerodynamic dust generating device Download PDFInfo
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- CN112557071B CN112557071B CN202011221538.7A CN202011221538A CN112557071B CN 112557071 B CN112557071 B CN 112557071B CN 202011221538 A CN202011221538 A CN 202011221538A CN 112557071 B CN112557071 B CN 112557071B
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- 239000000428 dust Substances 0.000 title claims abstract description 340
- 230000009471 action Effects 0.000 claims description 46
- 230000003068 static effect Effects 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 7
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 7
- 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
- 239000007921 spray Substances 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 6
- 238000011049 filling Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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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 equipment dust removal efficiency test 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 equipment dust removal efficiency test 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 more complex working environment of the dust extraction device can be rendered neutral. Although the skilled artisan has devised numerous protocols and equipment for this experiment, as follows: the invention provides a dust generation device with the name of application No. 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 the problem of poor dust source repeatability is not solved; the invention relates to a dust generation control device; the dust-removing device is provided with the application number CN201810795460.6, in the invention, a spiral conveying structure is arranged at the end part of a conveying mechanism close to a dust outlet, 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 distributed at a plurality of angles; the mechanical part of the invention is extremely complex, and the invention can not be influenced by dust abrasion in the dust environment, and the problem of dust source repetitive 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 an 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 gas-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 gas 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, wherein the adjustable flow gas 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 connection transition section is a uniform speed straight pipe section, the power gas generated by a flow-adjustable 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 speed equalizer 2 is 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 in threaded sealing connection with an inlet 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, 6-36 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 adjusting control center 8, 6-36 crescent teeth are mutually separated and work independently, the gas distribution amount is from small to large from large along with the crescent, then from large to small until the crescent, the automatic crescent gas distribution disc 3 is uniformly provided with 6-36 crescent gas distribution holes from the middle ring to the outermost ring, the 6-36 crescent gas distribution holes and the 6-36 crescent gas distribution holes of the outer ring are mutually independently separated in a staggered arrangement, in time sequence, the crescent gas distribution holes start to change from a zero state to a large state at the maximum gas distribution position of the outer ring, the outer ring corresponds to the minimum crescent position and is the maximum gas distribution position of the inner ring of the middle ring, the crescent changes from a large state to a small state correspond to the change of the next crescent from a zero state to a large gas distribution amount of the outer ring, the outer ring crescent and the middle ring have a theoretical limit difference range of phase angles of 60-10 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 a cylindrical assembly 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 21, a static crescent gas distribution disc 18 is fixed on a cylindrical component device 17 at the right side of the dynamic precise dust adding component actuator 7, outer ring crescents which are uniformly distributed and crescents which are close to a middle ring and have the difference angle range of 60-10 degrees are arranged on the static crescent gas distribution disc 18, the crescents correspond to the crescents of the automatic crescent gas distribution disc 3 one by one, inner ring crescents which are close to the middle ring are communicated with crescent gas distribution gas channels 19 which are arranged at the middle position of the cylindrical component device 17, each outer ring crescent corresponds 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 device 17 and are uniformly distributed outside the cylindrical component body, the component actuator 21 which is fixed on the left side of the cylindrical component device 17 and the dynamic precise dust adding components which are filled with dust are connected in a one-to-by-one sealing mode through one-way action valves one by one And the left side outlet of the dynamic precise dust adding component actuator 7 is converged in the middle of the left side of the component cylindrical device 17 through the component actuator 21 and converged with the crescent gas distribution channel 19, the left side outlet of the dynamic precise dust adding component actuator 7 is in threaded sealing connection with the right side of the automatic jet flow mixing section 4, the left side of the automatic jet flow mixing section 4 is in threaded sealing connection with the right side of the uniform velocity section 5, and the left side of the uniform velocity section 5 of the jet horn mouth 6 is in threaded sealing connection.
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 air power source 1 to start and send out pneumatic power, the automatic crescent gas distribution disc 3 is only communicated with the pair of outer rings receiving the instruction and the automatic crescent gas distribution port close to the middle ring, other crescent parts on the automatic crescent gas distribution disc 3 are always in a closed state, meanwhile, the automatic crescent gas distribution disc 3 starts to rotate anticlockwise, aerodynamic force with certain flow and pressure generated by the flow gas power source 1 can be adjusted, the aerodynamic force reaches the automatic crescent gas distribution disc 3 through the speed equalizer 2 and is only communicated with the pair of outer rings for receiving instructions and the automatic crescent gas distribution port close to the middle ring, part of the aerodynamic force transmits the aerodynamic force 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 crescent 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, thus, the two parts of aerodynamic force are combined into a whole, the dust in the dynamic fine dust adding part filled with dust passes through the left outlet of the dynamic fine dust adding assembly actuator 7 through the left assembly actuator 21, the dust uniformly and orderly enters the uniform velocity section 5 under the action of aerodynamic force, 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 the dynamic precise dust adding part is closed finally;
the third step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, along with the change of the gas pressure of the inner ring from large to small, the second outer ring crescent passage is gradually communicated, the gas pressure of the outer ring is gradually increased, the outer ring crescent gas distribution port on the static crescent gas distribution disc 18 transmits pneumatic power 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, the dust in the dynamic precise dust adding piece is in one-to-one sealing connection with the dynamic precise dust adding piece filled with the dust through a one-way action valve under the action of the pneumatic power, and along with the decrease of the gas quantity of the inner ring, the part of pneumatic power is communicated with the 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, the pneumatic device is connected to the left outlet of the dynamic precise dust adding component actuator 7 in a converging manner through a component actuator 21 fixed on the left side of a component cylindrical device 17, when the air pressure of an outer ring is changed from small to high, the air quantity of an inner ring is changed from large to small to a minimum value area, at the moment, a first inner ring crescent is completely closed, a second inner ring crescent is opened instantly, the pneumatic force is divided into two parts, the pneumatic force of the outer ring is changed from large to small, the pneumatic force of the inner ring is changed from small to large, one part of the pneumatic force is communicated with a crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17 through the inner ring crescent close to the middle ring and is connected to the left outlet of the dynamic precise dust adding component actuator 7 in a converging manner, the other part of the pneumatic force acts on dust in the dynamic precise dust adding component, and the dynamic precise dust adding component with the dust containing part through the component actuator 21 fixed on the left side of the component cylindrical device 17 through a one-way action valve, and the dust is collected to the left outlet of the dynamic precise dust adding assembly actuator 7, uniformly and orderly enters the uniform velocity section 5 under the action of aerodynamic force, 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, along with the maximum aerodynamic area reached by the second inner ring crescent, 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- -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 when the dust removal work is started within 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 removal space, so that the dust removal equipment can finish the dust removal test. The dust collection efficiency testing device is widely applicable to dust collection efficiency testing 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 disc
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 for dynamically and precisely adding dust
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, an injection bell mouth 6, a dynamic precise dust adding assembly 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 assembly 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 of the speed equalizer 2 are connected into the bell mouth and are arranged on the same central line, the right side is a power air access port, and the middle part ensures that the power air is completely received by the access bell mouth of the speed equalizer 2, the uniform speed straight pipe section is connected with the inlet thread of the automatic crescent gas distribution disc 3 in a sealing way, the automatic crescent gas distribution disc 3 is connected with the adjusting control center 8 through the 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 adjusting control center 8, the 24 crescent teeth are mutually separated and work independently, the gas distribution amount is from zero to large and then from large to small to zero along with the crescent, the 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 mutually and independently separated, in time sequence, the crescent gas distribution holes start from small to large from zero corresponding to the maximum gas distribution amount of the outer ring, the crescent gas distribution holes corresponding to the minimum position of the crescent ring of the outer ring are the maximum gas distribution amount of the middle ring inner ring, the crescent changes from large to small and corresponds to the change of the next crescent of the outer ring from small to large air distribution amount from zero, the outer ring crescent and the middle ring crescent have a phase angle theoretical limit difference range of 30 degrees, the automatic crescent air 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 air distribution disc 18, a crescent air distribution channel 19, a dynamic precise dust adding assembly 20 and an assembly actuator 21, the static crescent air distribution disc 18 is fixed on the assembly cylindrical device 17 at the right side of the dynamic precise dust adding assembly actuator 7, the static crescent air distribution disc 18 is provided with outer ring crescents which are uniformly distributed and crescent crescents which are close to the middle ring and have a difference angle range of 30 degrees, the crescents correspond to the crescents of the automatic crescent air distribution disc 3 one by one, an inner ring crescent close to the middle ring is communicated with a crescent gas distribution channel 19 arranged in the middle of a cylindrical component 17, each outer ring crescent corresponds 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 component, a 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 through a one-way action valve and is converged in the middle of the left side of the cylindrical component 17 through the component actuator 21 to be converged with the crescent gas distribution channel 19 to form a left side outlet of a dynamic precise dust adding component actuator 7, the left side outlet of the dynamic precise dust adding component actuator 7 is hermetically connected with the right side of an automatic jet mixing section 4 through threads, and the left side of the automatic jet mixing section 4 is hermetically connected with the right side of a uniform velocity section 5 through threads, the right side of the jet bell mouth 6 is in threaded sealing connection with the left side of the uniform velocity section 5.
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 air power source 1 to start and send out pneumatic power, the automatic crescent gas distribution disc 3 is only communicated with the pair of outer rings receiving the instruction and the automatic crescent gas distribution port close to the middle ring, other crescent parts on the automatic crescent gas distribution disc 3 are always in a closed state, meanwhile, the automatic crescent gas distribution disc 3 starts to rotate anticlockwise, aerodynamic force with certain flow and pressure generated by the flow gas power source 1 can be adjusted, the aerodynamic force reaches the automatic crescent gas distribution disc 3 through the speed equalizer 2 and is only communicated with the pair of outer rings for receiving instructions and the automatic crescent gas distribution port close to the middle ring, part of the aerodynamic force transmits the aerodynamic force 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 crescent 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, through the assembly actuator 21 fixed on the left side of the assembly cylindrical device 17 to the left side outlet of the dynamic fine dust adding assembly actuator 7, thus, the two parts of aerodynamic force are combined into a whole, the dust in the dynamic fine dust adding part filled with dust passes through the left outlet of the dynamic fine dust adding assembly actuator 7 through the left assembly actuator 21, the dust uniformly and orderly enters the uniform velocity section 5 under the action of aerodynamic force, 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 the dynamic precise dust adding part is closed finally;
the third step: along with the anticlockwise rotation of the automatic crescent gas distribution disc 3, along with the change of the gas pressure of the inner ring from large to small, the second outer ring crescent passage is gradually communicated, the gas 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 the aerodynamic force to the dust in the second dynamic precise dust adding piece on the corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port, the dust in the dynamic precise dust adding piece is under the action of the aerodynamic force, the component actuator 21 fixed on the left side of the component cylindrical device 17 is hermetically connected with the dynamic precise dust adding piece filled with the dust one by one through the one-way action valve, along with the decrease of the gas flow of the inner ring, the part of the aerodynamic force is communicated with the 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, the pneumatic power is divided into two parts, the outer ring pneumatic power changes from large to small, the inner ring pneumatic power changes from small to large, one part of the pneumatic power is communicated with a crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17 through the inner ring crescent close to the middle ring, the other part of the pneumatic power acts on dust in the dynamic precise dust adding component, and the dynamic precise dust adding component filled with the dust passes through a one-way acting valve through the component actuator 21 fixed on the left side of the component cylindrical device 17, the dust is collected to the left outlet of the dynamic precise dust adding assembly actuator 7, and enters the uniform velocity section 5 uniformly and orderly under the action of aerodynamic force, 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 quantity 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 air pressure of the inner ring, the dynamic precise dust adding part with the dust correspondingly arranged in the crescent of the second outer ring has less and less dust passing through the one-way action valve until the dust is zero, and the dynamic precise dust adding part is closed finally;
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 flow-adjustable pneumatic power source 1 and the automatic crescent air distribution disc 3 stop working.
The device consists of an adjustable flow air power source 1, a speed equalizer 2, an automatic crescent air distribution disc 3, an automatic jet flow mixing section 4, a constant 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 connection transition section is a constant 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, and the middle part ensures that the power air is completely received by the access bell mouth of the speed equalizer 2, the uniform speed straight pipe section is connected with the inlet thread of the automatic crescent gas distribution disc 3 in a sealing way, the automatic crescent gas distribution disc 3 is connected with the adjusting control center 8 through the 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 adjusting control center 8, the 6 crescent teeth are mutually separated and work independently, the gas distribution amount is from zero to large and then from large to small to zero along with the crescent, 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 mutually and independently separated, in time sequence, the crescent gas distribution holes start from small to large from zero corresponding to the maximum gas distribution amount of the outer ring, the crescent gas distribution holes corresponding to the minimum position of the crescent ring of the outer ring are the maximum gas distribution amount of the middle ring inner ring, the crescent changes from large to small correspondingly to the change of the next crescent of the outer ring from small to large air distribution amount from zero, the outer ring crescent and the middle ring crescent have a theoretical limit difference range of phase angle of 60 degrees, the automatic crescent air 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 air distribution disc 18, a crescent air distribution channel 19, a dynamic precise dust adding assembly 20 and an assembly actuator 21, the static crescent air distribution disc 18 is fixed on the assembly cylindrical device 17 at the right side of the dynamic precise dust adding assembly actuator 7, the static crescent air distribution disc 18 is provided with outer ring crescent which is uniformly distributed and crescent which is close to the middle ring and has a difference angle range of 60 degrees, the crescent corresponds to the crescent of the automatic crescent air distribution disc 3 one by one, an inner ring crescent close to the middle ring is communicated with a crescent gas distribution channel 19 arranged in the middle of a cylindrical component 17, each outer ring crescent corresponds 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 component, a 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 through a one-way action valve and is converged in the middle of the left side of the cylindrical component 17 through the component actuator 21 to be converged with the crescent gas distribution channel 19 to form a left side outlet of a dynamic precise dust adding component actuator 7, the left side outlet of the dynamic precise dust adding component actuator 7 is hermetically connected with the right side of an automatic jet mixing section 4 through threads, and the left side of the automatic jet mixing section 4 is hermetically connected with the right side of a uniform velocity section 5 through threads, the right side of the jet bell mouth 6 is in threaded sealing connection with the left side of the uniform velocity section 5.
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 precision dust adding part filled with dust to uniformly and orderly enter a uniform speed section 5 through aerodynamic force, and dust is orderly sprayed in space 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 air power source 1 to start and send out pneumatic power, the automatic crescent air distribution disc 3 is only communicated with the pair of outer rings receiving the instruction and the automatic crescent air distribution port close to the middle ring, other crescent parts on the automatic crescent air distribution disc 3 are always in a closed state, meanwhile, the automatic crescent gas distribution disc 3 starts to rotate anticlockwise, aerodynamic force with certain flow and pressure generated by the flow gas power source 1 can be adjusted, the aerodynamic force reaches the automatic crescent gas distribution disc 3 through the speed equalizer 2 and is only communicated with the pair of outer rings for receiving instructions and the automatic crescent gas distribution port close to the middle ring, part of the aerodynamic force transmits the aerodynamic force 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 crescent gas distribution port on the static crescent gas distribution disc 18, the dust in the dynamic precision dust adding part is under the action of aerodynamic force, the component actuator 21 fixed on the left side of the component cylindrical part 17 is hermetically connected with the dynamic precision dust adding part 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 part 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 gas pressure of the inner ring from large to small, the second outer ring crescent passage is gradually communicated, the gas 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 the aerodynamic force to the dust in the second dynamic precise dust adding piece on the corresponding dynamic precise dust adding component 20 connected with the crescent gas distribution port, the dust in the dynamic precise dust adding piece is under the action of the aerodynamic force, the component actuator 21 fixed on the left side of the component cylindrical device 17 is hermetically connected with the dynamic precise dust adding piece filled with the dust one by one through the one-way action valve, along with the decrease of the gas flow of the inner ring, the part of the aerodynamic force is communicated with the 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, the pneumatic power is divided into two parts, the outer ring pneumatic power changes from large to small, the inner ring pneumatic power changes from small to large, one part of the pneumatic power is communicated with a crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17 through the inner ring crescent close to the middle ring, the other part of the pneumatic power acts on dust in the dynamic precise dust adding component, and the dynamic precise dust adding component filled with the dust passes through a one-way acting valve through the component actuator 21 fixed on the left side of the component cylindrical device 17, the dust is collected to the left outlet of the dynamic precise dust adding assembly actuator 7, and enters the uniform velocity section 5 uniformly and orderly under the action of aerodynamic force, 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 a flow-adjustable air power source 1, a speed equalizer 2, an automatic crescent air distribution disc 3, an automatic jet flow mixing section 4, a constant 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 flow-adjustable 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 connection transition section is a constant speed straight pipe section, the power gas generated by the flow-adjustable 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 gas access port, and 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 connected with the inlet screw thread of the automatic crescent gas distribution disc 3 in a sealing way, the automatic crescent gas distribution disc 3 is connected with the adjusting control center 8 through the 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 adjusting control center 8, 36 crescent teeth are mutually separated and work independently, the gas distribution amount is from zero to large and then from large to small to 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 tooth gas distribution holes of the outer ring are mutually and independently separated, in time sequence, the crescent gas distribution holes are from small to large from zero corresponding to the maximum gas distribution amount of the outer ring, the minimum gas distribution position of the outer ring corresponding to the crescent teeth of the middle ring is the maximum gas distribution amount of the inner ring of the middle ring, the crescent changes from large to small correspondingly to the change of the next crescent of the outer ring from small to large air distribution from zero, the crescent of the outer ring and the crescent of the middle ring, the theoretical limit difference range of the phase angle is 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, the static crescent air distribution disc 18 is fixed on the assembly cylindrical device 17 at the right side of the dynamic precise dust adding assembly actuator 7, the static crescent air distribution disc 18 is provided with outer rings uniformly distributed on the static crescent air distribution disc 18 and crescent with the difference angle range of 10 degrees close to the middle ring, the crescent corresponds to the crescent of the automatic crescent air distribution disc 3 one by one, the crescent close to the inner ring crescent of the middle ring is communicated with the crescent air distribution assembly 19 arranged at the middle position of the assembly cylindrical device 17, each outer ring corresponds to one by one, the dynamic precise dust adding assembly 20, the crescent is connected with the dynamic precise dust adding assembly 17 through the dynamic precise dust adding assembly 17 and the dynamic precise dust adding assembly actuator 17, the dynamic precise dust adding assembly 17, the left side of the dynamic precise dust adding assembly is connected with the left side of the dynamic precise dust adding assembly 17, the dynamic precise dust adding assembly 7, the dynamic precise dust adding assembly is connected with the dynamic precise dust adding assembly 17, the dynamic precise dust adding assembly sealing actuator 4 connected with the dynamic precise dust adding assembly sealed and the left side of the dynamic precise dust adding assembly 17, the right side of the jet bell mouth 6 is in threaded sealing connection with the left side of the uniform velocity section 5.
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 air power source 1 to start and send out pneumatic power, the automatic crescent gas distribution disc 3 is only communicated with the pair of outer rings receiving the instruction and the automatic crescent gas distribution port close to the middle ring, other crescent parts on the automatic crescent gas distribution disc 3 are always in a closed state, meanwhile, the automatic crescent gas distribution disc 3 starts to rotate anticlockwise, aerodynamic force with certain flow and pressure generated by the flow gas power source 1 can be adjusted, the aerodynamic force reaches the automatic crescent gas distribution disc 3 through the speed equalizer 2 and is only communicated with the pair of outer rings for receiving instructions and the automatic crescent gas distribution port close to the middle ring, part of the aerodynamic force transmits the aerodynamic force 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 crescent 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, thus, the two parts of aerodynamic force are combined into a whole, the dust in the dynamic fine dust adding part filled with dust passes through the left outlet of the dynamic fine dust adding assembly actuator 7 through the left assembly 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 gas pressure of the inner ring from large to small, the second outer ring crescent passage is gradually communicated, the gas pressure of the outer ring is gradually increased, the outer ring crescent gas distribution port on the static crescent gas distribution disc 18 transmits pneumatic power 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, the dust in the dynamic precise dust adding piece is in one-to-one sealing connection with the dynamic precise dust adding piece filled with the dust through a one-way action valve under the action of the pneumatic power, and along with the decrease of the gas quantity of the inner ring, the part of pneumatic power is communicated with the 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, the pneumatic device is connected to the left outlet of the dynamic precise dust adding component actuator 7 in a converging manner through a component actuator 21 fixed on the left side of a component cylindrical device 17, when the air pressure of an outer ring is changed from small to high, the air quantity of an inner ring is changed from large to small to a minimum value area, at the moment, a first inner ring crescent is completely closed, a second inner ring crescent is opened instantly, the pneumatic force is divided into two parts, the pneumatic force of the outer ring is changed from large to small, the pneumatic force of the inner ring is changed from small to large, one part of the pneumatic force is communicated with a crescent gas distribution channel 19 arranged at the middle position of the component cylindrical device 17 through the inner ring crescent close to the middle ring and is connected to the left outlet of the dynamic precise dust adding component actuator 7 in a converging manner, the other part of the pneumatic force acts on dust in the dynamic precise dust adding component, and the dynamic precise dust adding component with the dust containing part through the component actuator 21 fixed on the left side of the component cylindrical device 17 through a one-way action valve, and the dust is collected to the left outlet of the dynamic precise dust adding assembly actuator 7, uniformly and orderly enters the uniform velocity section 5 under the action of aerodynamic force, 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 aerodynamic continuous dust generating device with adjustable dust amount is formed by combining an adjustable gas 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, and consists of an adjustable flow gas 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 an adjusting control center (8) through a control signal line (9), the adjusting control center (8) is further connected with a dynamic precise dust adding assembly actuator (7) through the control signal line (9), the speed equalizer (2) comprises a right-side access bell mouth, a middle streamline connection transition section and a left-side speed equalizing straight pipe section, the power air generated by the adjusting 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 of the power air access port is a power air access port, the middle part of the power air is ensured to be completely received by the access bell mouth of the speed equalizer (2), the speed equalizing straight pipe section is in threaded sealing connection with an inlet of an automatic crescent gas distribution plate (3), and the automatic crescent gas distribution plate (3) is connected with the adjusting control center (8) through the control signal line (9) The connection, the outmost 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 constant speed under the instruction of a regulating control center (8), the 6-36 crescent teeth are mutually separated and work independently, the gas distribution amount starts from small to large along with the crescent from zero and then from large to small until the gas distribution amount is zero, the 6-36 crescent gas distribution holes are uniformly distributed between the middle ring and the outmost ring of the automatic crescent gas distribution disc (3), the 6-36 crescent gas distribution holes and the 6-36 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, and is the position corresponding to the maximum gas distribution amount of the inner ring of the middle ring, the crescent moon changes from large to small correspondingly to the change of the next crescent moon of the outer ring from small to large air distribution from zero, the crescent moon of the outer ring and the crescent moon of the middle ring have the theoretical limit difference range of phase angle of 60 degrees to 10 degrees, the number of the corresponding crescent moon at the phase angle of 60 degrees is 6, the number of the corresponding crescent moon at the phase angle of 10 degrees is 36, the automatic crescent air 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 air distribution disc (18), a crescent air distribution channel (19), a dynamic precise dust adding assembly (20) and an assembly actuator (21), and the static crescent moon is fixed on the assembly cylindrical device (17) at the right side of the dynamic precise dust adding assembly actuator (7) The novel automatic dust-adding device comprises a tooth-shaped gas distribution disc (18), wherein outer ring crescents which are uniformly distributed and crescents which are close to a middle ring and have a phase difference angle range of 60-10 degrees are arranged on the static crescent gas distribution disc (18), the crescents of the static crescent gas distribution disc (18) correspond to the crescents of an automatic crescent gas distribution disc (3) one by one, inner ring crescents close to the middle ring are communicated with crescent gas distribution channels (19) arranged at the middle position of a cylindrical device (17) of the device, each outer ring crescents corresponds to a dynamic precise dust-adding component (20), the dynamic precise dust-adding components (20) are fixed on the cylindrical device (17) of the device and are uniformly distributed outside the cylindrical device, a component actuator (21) fixed on the left side of the cylindrical device (17) of the device and the dynamic precise dust-adding components filled with dust are connected with the dynamic precise dust-adding components through one-way action valves in a sealing mode one by one, the middle of the left side of the cylindrical device (17) of the device is converged with the crescent gas distribution channels (19) of the crescent gas distribution channels (7) of the left side of the device and connected with the automatic dust-spraying nozzle section (5) of the automatic horn-shaped automatic jet nozzle, and the automatic jet nozzle section (4) of the uniform-speed jet nozzle (5) connected with the right-jet nozzle.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061012A (en) * | 2014-06-25 | 2014-09-24 | 太原理工大学 | Mining air mist dust settling device in restricted space and application method of mining air mist dust settling device |
| CN104655495A (en) * | 2015-02-13 | 2015-05-27 | 太原理工大学 | High temperature and high pressure coal and rock true triaxial fracturing and seepage test device and test method |
| CN104677638A (en) * | 2013-11-27 | 2015-06-03 | 中国舰船研究设计中心 | Blade tip jet test device |
| CN106121710A (en) * | 2016-06-29 | 2016-11-16 | 兖州煤业股份有限公司 | A kind of spray dust remover |
| CN106644865A (en) * | 2016-12-22 | 2017-05-10 | 西安工业大学 | Dust concentration calibration system and calibration method |
| CN107255607A (en) * | 2017-06-14 | 2017-10-17 | 中国科学院合肥物质科学研究院 | A kind of dust migration experimental provision and method |
| CN107894321A (en) * | 2017-11-29 | 2018-04-10 | 兰州大学 | A kind of controllable individual particle grains of sand transmitter of pneumatic type |
| CN108181225A (en) * | 2018-02-27 | 2018-06-19 | 甘肃省建材科研设计院 | A kind of barrier performance and permeability test device and test method |
| DE102017109356A1 (en) * | 2017-05-02 | 2018-11-08 | Horiba Europe Gmbh | Device for detecting and measuring brake dust |
| CN108918385A (en) * | 2018-07-19 | 2018-11-30 | 中国科学院工程热物理研究所 | Control device occurs for dust |
| CN109883784A (en) * | 2019-02-26 | 2019-06-14 | 中钢集团武汉安全环保研究院有限公司 | Dust generator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6890318B2 (en) * | 2017-04-18 | 2021-06-18 | 国立研究開発法人農業・食品産業技術総合研究機構 | Dust removal system and dust removal method |
| KR20200111963A (en) * | 2019-03-20 | 2020-10-05 | 센서클라우드주식회사 | Dust removal module using electrostatic force, ventilator having the dust collecting bag that can be automatically replaced, and the driving method thereof |
-
2020
- 2020-11-05 CN CN202011221538.7A patent/CN112557071B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677638A (en) * | 2013-11-27 | 2015-06-03 | 中国舰船研究设计中心 | Blade tip jet test device |
| CN104061012A (en) * | 2014-06-25 | 2014-09-24 | 太原理工大学 | Mining air mist dust settling device in restricted space and application method of mining air mist dust settling device |
| CN104655495A (en) * | 2015-02-13 | 2015-05-27 | 太原理工大学 | High temperature and high pressure coal and rock true triaxial fracturing and seepage test device and test method |
| CN106121710A (en) * | 2016-06-29 | 2016-11-16 | 兖州煤业股份有限公司 | A kind of spray dust remover |
| CN106644865A (en) * | 2016-12-22 | 2017-05-10 | 西安工业大学 | Dust concentration calibration system and calibration method |
| DE102017109356A1 (en) * | 2017-05-02 | 2018-11-08 | Horiba Europe Gmbh | Device for detecting and measuring brake dust |
| CN107255607A (en) * | 2017-06-14 | 2017-10-17 | 中国科学院合肥物质科学研究院 | A kind of dust migration experimental provision and method |
| CN107894321A (en) * | 2017-11-29 | 2018-04-10 | 兰州大学 | A kind of controllable individual particle grains of sand transmitter of pneumatic type |
| CN108181225A (en) * | 2018-02-27 | 2018-06-19 | 甘肃省建材科研设计院 | A kind of barrier performance and permeability test device and test method |
| CN108918385A (en) * | 2018-07-19 | 2018-11-30 | 中国科学院工程热物理研究所 | Control device occurs for dust |
| CN109883784A (en) * | 2019-02-26 | 2019-06-14 | 中钢集团武汉安全环保研究院有限公司 | Dust generator |
Non-Patent Citations (1)
| Title |
|---|
| 弧扇泡沫射流高效除尘技术研究;韩方伟;《中国优秀博硕士学位论文全文数据库(博士)工程科技Ⅰ辑》;20141215(第12期);第B021-106页 * |
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