CN116441012B - Freshwater fish feed grinder and grinding process thereof - Google Patents
Freshwater fish feed grinder and grinding process thereof Download PDFInfo
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- CN116441012B CN116441012B CN202310314488.4A CN202310314488A CN116441012B CN 116441012 B CN116441012 B CN 116441012B CN 202310314488 A CN202310314488 A CN 202310314488A CN 116441012 B CN116441012 B CN 116441012B
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000008569 process Effects 0.000 title claims abstract description 18
- 239000013505 freshwater Substances 0.000 title claims abstract description 16
- 238000000227 grinding Methods 0.000 title description 2
- 239000002245 particle Substances 0.000 claims abstract description 38
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000005291 magnetic effect Effects 0.000 claims description 70
- 238000007493 shaping process Methods 0.000 claims description 18
- 230000005294 ferromagnetic effect Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 239000003566 sealing material Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention provides a freshwater fish feed grinder applied to the field of crushers, the grinder is provided with a diversion guide cover and a steering disc in a matched mode, in the crushing process, the direction of high-pressure air flow sprayed out by one of high-pressure nozzles can be changed at intervals, so that the stability of air flow in a crushing cavity of a crusher body is broken, the particles originally in the range of the high-pressure nozzles lose the pushing force of the air flow or the pushing force is reduced, the speed of the particles is obviously reduced, the speed difference between the particles and the rest particles is suddenly increased at the moment, the impact collision force is higher, the effect is better, then the air flow direction of the high-pressure nozzles is restored, the rotational flow is stabilized again, and the process is repeated continuously.
Description
Technical Field
The application relates to the field of crushers, in particular to a freshwater fish feed crusher and a crushing process thereof.
Background
The superfine pulverizer mainly comprises an airflow pulverizer, a ball mill pulverizer and a heavy pressure pulverizer. Wherein the airflow type pulverizer, the cyclone separator, the dust remover and the induced draft fan form a whole set of pulverizing system. The material to be crushed is sprayed into the crushing cavity at high speed through the Venturi equipment, the material is repeatedly collided, rubbed and sheared at the junction of a plurality of high-pressure air flows to be crushed, the crushed material moves to the classification area along with the ascending air flow under the pumping force of the fan, the coarse and fine materials are separated under the strong centrifugal force generated by the classification turbine rotating at high speed, fine particles meeting the granularity requirement enter the cyclone separator and the dust remover to be collected through the classification wheel, and the coarse particles fall to the crushing area to be crushed continuously.
In the crushing process, stable rotational flow can be formed in the crushing cavity by multiple high-pressure air flows, materials entering the crushing cavity can rotate at high speed along with the rotational flow, collision impact is realized by generating speed difference through different weights of particles, then the collision impact is realized only by generating speed difference through the weights of the particles, when the weight difference of the particles of the materials is smaller, the speed difference is small, the collision impact is smaller, high-efficiency crushing is difficult to continue, and the efficiency in the later crushing stage is reduced.
Disclosure of Invention
This application aim at increases the speed differential between the particle, and then accelerate the crushing efficiency in later stage, compare prior art and provide a freshwater fish fodder grinder, including the breaker body, breaker body upper end is connected with venturi inlet pipe and discharging pipe, and both communicate each other with the breaker body, breaker body internal connection has a plurality of high-pressure nozzles, a plurality of high-pressure nozzles all communicate with each other with external air supply, breaker body lower extreme fixedly connected with a plurality of branches, branch towards breaker body longitudinal axis's one end fixedly connected with backup pad, fixedly connected with electric putter in the backup pad, a plurality of electric putter upper ends are equipped with the steering wheel, the steering wheel is located the breaker body under, electric putter upper end is spherical structure, the steering wheel bottom is excavated a plurality of spouts that correspond with a plurality of branches respectively, electric putter top and spout sliding connection.
Through the cooperation setting of diversion kuppe and steering wheel, in crushing process, but the direction of the high-pressure air current of interval nature change one of them high-pressure nozzle spun, and then make the stability of internal rotation of crushing chamber of breaker body broken, make some particles originally in this high-pressure nozzle range lose the driving force of air current, or when the driving force reduces, its speed obviously reduces, the speed difference with the other particles is abrupt increase this moment, and then make impact collision dynamics bigger, the effect is better, then resume the air current direction of this high-pressure nozzle, make the whirl stabilize again, and constantly repeat above-mentioned process, compare in prior art, be in steady state's whirl constantly, steady state and the whirl of disorder state constantly alternate appearance, can accelerate the crushing efficiency when broken later stage particle narrowness diminishes by a wide margin.
Further, venturi inlet pipe slope sets up, and the discharging pipe is located breaker body upper end center department, and high pressure nozzle is not perpendicular with breaker body inner wall, and forms the acute angle and be not more than 60, and when a plurality of high pressure nozzles jet department high pressure air current simultaneously, the formation of the whirl of being convenient for.
Further, the number of the high-pressure nozzles is not less than 5, one of the high-pressure nozzles is positioned right above one of the electric push rods, when the designated electric push rod is shortened, the collected direction-regulating magnetic balls can be collected right below one of the high-pressure nozzles all the time, and then a large adsorption force is generated on a ferromagnetic block on the high-pressure nozzle, so that the opening part of the direction-regulating air guide sleeve is driven to move downwards, and the wind direction of the high-pressure nozzle is changed.
Further, the steering wheel includes the frame, fixed connection is at the semicircle annular cover of frame inner bottom edge, a plurality of baffles and a plurality of accent that place respectively between two adjacent baffles between the bottom in semicircle annular cover inner wall and the frame are to the magnetic ball, the baffle is made by the material of high permeability, make the magnetism that gathers two accent magnetic balls of same electric putter department difficult mutual influence, when changing the length of other electric putter, it can also shift to transfer to the magnetic ball, be difficult for the constraint each other, it is magnetic sphere structure to transfer to the magnetic ball, and transfer to the magnetic ball diameter and be less than semicircle annular cover radius, be convenient for transfer to the magnetic ball and move smoothly in semicircle annular cover.
It is worth noting that one baffle corresponds to one of the electric push rods in position, and the other two baffles are dislocated with the adjacent electric push rods.
Further, the fixed cover in high pressure nozzle oral area outer end is equipped with the diversion kuppe, and the diversion kuppe outer end is equipped with the deflector, deflector lower extreme fixedly connected with inelastic rope, inelastic rope lower extreme fixedly connected with ferromagnetic piece, ferromagnetic piece and the mutual matching of steering magnetic ball, when steering magnetic ball gathers to shortening electric putter top, two steering magnetic balls just lie in under the high pressure nozzle, but steering magnetic ball adsorbable ferromagnetic piece this moment, and then make it drive the diversion kuppe and take place certain deformation, make high pressure nozzle oral area spun air current direction take place certain change, realize breaking to stable whirl.
Further, the diversion kuppe includes fixed connection design section on high pressure nozzle, be located the outside jet section of high pressure nozzle oral area and connect the diversion section between the two, the diversion section is made for elastic sealing material, make the final orientation of jet section oral area can change along with the change of diversion section, and the tip that design section and diversion section are connected and the cross-section of diversion section are parallel trapezium structure, make the whole when removing of deflector, there is certain slope gradient, when receiving decurrent magnetic attraction, easily take place to the right removal along the incline direction, and then make diversion section atress, and then drive jet section oral area orientation change.
Further, the deflector comprises a positioning ring fixedly connected to the outer end of the shaping section, a magnetic ring sleeved outside the inclined plane of the shaping section and a plurality of elastic ropes respectively connected between the magnetic ring and the positioning ring.
Further, when the ferromagnetic block is not attracted by the direction-adjusting magnetic ball, the magnetic ring is positioned at the outer side of the junction of the direction-changing section and the shaping section, so that most of gravity of the magnetic ring acts on the shaping section of shaping at the moment, and when the magnetic ring is subjected to downward magnetic attraction, the magnetic ring only needs to slightly move rightward, so that the direction-changing section is stressed and deformed to drive the opening of the air injection section to move downward, after the direction-adjusting disk is restored to be horizontal, the concentrated direction-adjusting magnetic ball is shifted to be misplaced with the high-pressure nozzle, the ejection direction of high-pressure air flow at the high-pressure nozzle is reset, and the rotational flow can be stabilized again.
A freshwater fish feed grinder comprises the following steps:
s1, controlling a plurality of high-pressure nozzles in a crusher body to spray high-pressure air flow to form rotational flow, then spraying raw material particles for fish feed production into the crusher body through a Venturi feeding pipe, and under the action of the rotational flow, mutually colliding and impacting the raw material particles with different speeds to start crushing;
s2, controlling the electric push rods corresponding to the high-pressure nozzles to be shortened, adaptively extending the other electric push rods to enable the steering wheel to incline, enabling the steering magnetic balls in the steering wheel to gather towards the shortened electric push rods, and further generating adsorption force on the deflector covers corresponding to the high-pressure nozzles;
s3, under the action of adsorption force, the deflector downwards moves to a certain extent so as to drive the deflector to deviate downwards to a certain extent, at the moment, the direction of the airflow beam sprayed out of the high-pressure nozzle is deviated to break the stable state of rotational flow, and part of particles tend to be disordered and scattered, so that the speed difference between the part of particles and the rest of particles is effectively increased, the crushing effect is improved, and after the particle size meets the standard, the particles are discharged outside along the discharge pipe under the action of an exhaust fan externally connected with the discharge pipe;
and S4, after 5-10 seconds, controlling the steering wheel to incline towards other directions, enabling the high-pressure nozzle and the steering magnetic ball to be misplaced, then controlling the same electric push rod to shorten again at intervals of 2-5 minutes, and repeating the steps S2-S3 until the crushing is completed.
Compared with the prior art, the advantage of this application lies in:
through the cooperation setting of diversion kuppe and steering wheel, in crushing process, but the direction of the high-pressure air current of interval nature change one of them high-pressure nozzle spun, and then make the stability of internal rotation of crushing chamber of breaker body broken, make some particles originally in this high-pressure nozzle range lose the driving force of air current, or when the driving force reduces, its speed obviously reduces, the speed difference with the other particles is abrupt increase this moment, and then make impact collision dynamics bigger, the effect is better, then resume the air current direction of this high-pressure nozzle, make the whirl stabilize again, and constantly repeat above-mentioned process, compare in prior art, be in steady state's whirl constantly, steady state and the whirl of disorder state constantly alternate appearance, can accelerate the crushing efficiency when broken later stage particle narrowness diminishes by a wide margin.
Drawings
FIG. 1 is a top perspective view of the present application;
FIG. 2 is a bottom perspective view of the present application;
FIG. 3 is a perspective view of the steering wheel of the present application;
FIG. 4 is an exploded view of the steering wheel of the present application;
FIG. 5 is a schematic view of the crushing bin of the present application;
FIG. 6 is a schematic view of a high pressure sprinkler of the present application;
FIG. 7 is a schematic cross-sectional view of a direction-changing pod of the present application;
FIG. 8 is a schematic diagram of the present application with the steering magnetic ball gathering toward the steering wheel side;
FIG. 9 is a schematic diagram of the change in position of the steering magnetic ball in the steering wheel of the present application;
FIG. 10 is a graph showing the change in the position of the high pressure nozzle when the lower moving block of the present application is subjected to magnetic attraction.
The reference numerals in the figures illustrate:
the novel high-pressure jet mill comprises a crusher body, a 21 venturi feeding pipe, a 22 discharging pipe, a 3 supporting rod, a 4 supporting plate, a 5 electric push rod, a 51 sliding chute, a 6 steering disc, a 61 outer frame, a 62 semicircular cover, a 63 baffle, a 64 steering magnetic ball, a 7 high-pressure nozzle, a 71 steering guide cover, a 711 shaping section, a 712 steering section, a 713 jet section, a 81 positioning ring, a 82 magnetic ring, a 83 elastic rope, a 91 inelastic rope and a 92 ferromagnetic block.
Description of the embodiments
The embodiments will be described in detail and throughout the specification with reference to the drawings, wherein, based on the embodiments in the application, all other embodiments obtained by persons skilled in the art without making creative efforts are within the scope of protection of the application.
Examples
Referring to fig. 1-2 and 5, the invention provides a freshwater fish feed grinder, which comprises a grinder body 1, wherein a venturi feeding pipe 21 and a discharging pipe 22 are connected to the upper end of the grinder body 1, and are mutually communicated with the grinder body 1, a plurality of high-pressure nozzles 7 are connected in the grinder body 1, the high-pressure nozzles 7 are communicated with an external air source, a plurality of supporting rods 3 are fixedly connected to the lower end of the grinder body 1, one end of each supporting rod 3 facing the longitudinal axis of the grinder body 1 is fixedly connected with a supporting plate 4, an electric push rod 5 is fixedly connected to the supporting plate 4, a steering disc 6 is arranged at the upper end of each electric push rod 5, and the steering disc 6 is positioned right below the grinder body 1.
As shown in fig. 2 and 4, the upper end of the electric push rod 5 is in a spherical structure, a plurality of sliding grooves 51 respectively corresponding to the plurality of struts 3 are cut at the bottom of the steering wheel 6, and the top of the electric push rod 5 is in sliding connection with the sliding grooves 51.
The venturi inlet pipe 21 is obliquely arranged, the discharge pipe 22 is positioned at the center of the upper end of the crusher body 1, the high-pressure nozzles 7 are not perpendicular to the inner wall of the crusher body 1, an acute angle formed by the high-pressure nozzles 7 is not more than 60 degrees, and the high-pressure nozzles 7 are convenient for forming rotational flow when spraying high-pressure air flow at the same time.
Referring to fig. 3-4, the steering wheel 6 includes an outer frame 61, a semi-circular cover 62 fixedly connected to an inner bottom edge of the outer frame 61, a plurality of baffles 63 fixedly connected between an inner wall of the semi-circular cover 62 and an inner bottom end of the outer frame 61, and a plurality of steering magnetic balls 64 respectively placed between two adjacent baffles 63, wherein the baffles 63 are made of a material with high magnetic permeability, so that magnetism of the two steering magnetic balls 64 collected to the same electric putter 5 is not easy to affect each other, when changing lengths of other electric putters 5, the steering magnetic balls 64 can shift and not be easy to bind each other, the steering magnetic balls 64 are of a magnetic sphere structure, and the diameter of the steering magnetic balls 64 is smaller than the radius of the semi-circular cover 62, so that the steering magnetic balls 64 can move smoothly in the semi-circular cover 62.
It should be noted that one of the baffles 63 corresponds to one of the electric pushers 5, i.e. to the high pressure nozzle 7, and the other two baffles 63 are both displaced from the adjacent electric pushers 5, i.e. from the high pressure nozzle 7.
The electric push rods 5 corresponding to the barrier 63 may be electric telescopic rods, and the other electric push rods 5 may be electric telescopic rods or elastic telescopic rods, and a specific mode may be selected as needed when the present invention is implemented.
As shown in fig. 5, the number of the high-pressure nozzles 7 is not less than 5, and one of the high-pressure nozzles 7 is located right above one of the electric pushers 5, so that when the designated electric pushers 5 are shortened, the collected direction-adjusting magnetic balls 64 can be always collected right below one of the high-pressure nozzles 7, and further generate a larger adsorption force on the ferromagnetic blocks 92 on the high-pressure nozzles 7, so as to drive the opening of the direction-changing air guide cover 71 to move downwards, and change the wind direction of the high-pressure nozzles 7.
Referring to fig. 6, the outer end of the opening of the high pressure nozzle 7 corresponding to the baffle 63 is fixedly sleeved with a diversion guide cover 71, the outer end of the diversion guide cover 71 is provided with a diversion cover, the diversion cover comprises a positioning ring 81 fixedly connected to the outer end of a shaping section 711, a magnetic ring 82 sleeved outside the inclined surface of the shaping section 711, and a plurality of elastic ropes 83 respectively connected between the magnetic ring 82 and the positioning ring 81, the lower end of the diversion cover is fixedly connected with a non-elastic rope 91, the lower end of the non-elastic rope 91 is fixedly connected with a ferromagnetic block 92, the ferromagnetic block 92 is mutually matched with the diversion magnetic ball 64, when the diversion magnetic ball 64 is gathered above the shortened electric push rod 5, the two diversion magnetic balls 64 are just located under the high pressure nozzle 7, and at the moment, the diversion magnetic ball 64 can absorb the ferromagnetic block 92, so that the diversion guide cover 71 is driven to deform to a certain extent, and the airflow direction sprayed by the opening of the high pressure nozzle 7 is changed to break stable rotational flow.
Referring to fig. 7, the diversion dome 71 includes a shaping section 711 fixedly connected to the high pressure nozzle 7, an air injection section 713 located outside the mouth of the high pressure nozzle 7, and a diversion section 712 connected therebetween, where the diversion section 712 is made of an elastic sealing material, so that the final direction of the mouth of the air injection section 713 can be changed along with the change of the diversion section 712, and the end of the shaping section 711 connected to the diversion section 712 and the cross section of the diversion section 712 are all in a parallel trapezoid structure, so that when the whole diversion dome moves, a certain gradient of inclination exists, and when the whole diversion dome receives downward magnetic attraction, the diversion section 712 is easily moved to the right along the inclination direction, so that the diversion section 712 is stressed, and the mouth of the air injection section 713 is further driven to change.
As shown in fig. 6, when the ferromagnetic block 92 is not attracted by the direction-adjusting magnetic ball 64, the magnetic ring 82 is located at the outer side of the junction between the direction-changing section 712 and the shaping section 711, so that most of the gravity of the magnetic ring 82 acts on the shaping section 711 at this time, and when the magnetic ring 82 is subjected to downward magnetic attraction, the magnetic ring 82 only needs to slightly move rightward, so that the direction-changing section 712 is subjected to force deformation, the mouth of the air-injecting section 713 is driven to move downward, and after the direction-adjusting disk 6 is restored to the horizontal state, the concentrated direction-adjusting magnetic ball 64 shifts to be misplaced with the high-pressure nozzle 7, so that the jetting direction of the high-pressure air flow at the high-pressure nozzle 7 is reset, and the rotational flow can be stabilized again.
A freshwater fish feed grinder comprises the following steps:
s1, controlling a plurality of high-pressure nozzles 7 in a crusher body 1 to spray high-pressure air flow to form rotational flow, then spraying raw material particles for fish feed production into the crusher body 1 through a Venturi feed pipe 21, and starting crushing under the action of the rotational flow, wherein the raw material particles with different speeds collide with each other and impact;
s2, as shown in FIG. 8, controlling the electric push rods 5 corresponding to the high-pressure nozzles 7 to be shortened, adaptively extending the rest electric push rods 5, enabling the steering disc 6 to incline, as shown in FIG. 9, further enabling the steering magnetic balls 64 in the steering disc to gather towards the shortened electric push rods 5, and further generating adsorption force on the deflector covers corresponding to the high-pressure nozzles 7;
s3, under the action of adsorption force, the deflector downwards moves to a certain extent, so that the deflector 71 is driven to deviate downwards to a certain extent, at the moment, the direction of the airflow beam sprayed out of the high-pressure nozzle 7 is deviated downwards, so that the stable state of rotational flow is broken, part of particles tend to be disordered and scattered, the speed difference between the part of particles and the rest of particles is effectively increased, the crushing effect is improved, and after the particle size meets the standard, the particles are discharged outside along the discharge pipe 22 under the action of an exhaust fan externally connected with the discharge pipe 22;
and S4, after 5-10 seconds, controlling the steering wheel 6 to incline towards other directions, enabling the high-pressure nozzle 7 and the steering magnetic ball 64 to be misplaced, then controlling the same electric push rod 5 to shorten again at intervals of 2-5 minutes, and repeating the steps S2-S3 until the crushing is completed.
Through the cooperation setting of diversion kuppe 71 and steering wheel 6, in the crushing process, as in fig. 10, but the direction of the high-pressure air current of one of them high-pressure nozzle 7 blowout of change of the interval nature, and then make the stability of the interior whirl of crushing chamber of breaker body 1 broken, make some particles originally in this high-pressure nozzle 7 range lose the propulsion of air current, perhaps the propulsion reduces, its speed obviously reduces, at this moment with the abrupt increase of the speed difference between the rest particle, and then make the impact collision dynamics bigger, the effect is better, then resume the air current direction of this high-pressure nozzle 7, make the whirl stabilize again, and constantly repeat above-mentioned process, compared with the prior art, the whirl that is in steady state constantly alternate appearance, the whirl of steady state and disorder state can accelerate the crushing efficiency that the particle narrow degree became smaller in the later stage of crushing by a wide margin.
Examples
In this embodiment, the baffle 63 is not disposed in the steering wheel 6, that is, a through space is formed in the semicircular cover 62, at this time, the steering magnetic ball 64 can pass through the plurality of high pressure nozzles 7 in the moving process, so that the air flow direction ejected by the plurality of high pressure nozzles 7 with the steering air guide cover 71 can be changed to a certain extent, and after the direction is far away, the air flow direction is restored.
In addition, only one electric push rod 5 does not correspond to the high-pressure nozzle 7, each electric push rod 5 adopts an electric telescopic rod, and correspondingly, the high-pressure nozzle 7 corresponding to the electric push rod 5 is provided with a diversion guide cover 71.
In the present embodiment, when any one of the electric pushers 5 corresponding to the high-pressure nozzles 7 is controlled to be shortened, the corresponding diversion cover 71 can be changed in the direction of the air flow when the diversion magnetic balls 64 gather at that location.
Compared with embodiment 1, the multiple diversion hoods 71 for changing the wind direction in the present embodiment are provided, and can be alternately deformed when in use, so as to effectively reduce the deformation times of one diversion hood 71, so that the diversion hood 71 is not easy to age and naturally droop due to excessive deformation times, and further effectively ensure that the multiple high-pressure nozzles 7 can form stable rotational flow when the diversion hood 71 is not subjected to the magnetic attraction force of the diversion magnetic ball 64.
The foregoing is merely a preferred embodiment of the present application, which is used in connection with the actual requirement, but the scope of the present application is not limited thereto.
Claims (7)
1. A crushing process of a freshwater fish feed crusher comprises the following steps:
s1, controlling a plurality of high-pressure nozzles (7) in a crusher body (1) to spray high-pressure air flow to form rotational flow, then spraying raw material particles for fish feed production into the crusher body (1) through a Venturi feed pipe (21), and starting crushing under the action of the rotational flow and through collision and impact of the raw material particles with different speeds;
s2, controlling the electric push rods (5) corresponding to the high-pressure nozzles (7) to be shortened, adaptively extending the rest electric push rods (5), enabling the steering disk (6) to incline, enabling the steering magnetic balls (64) in the steering disk to gather towards the shortened electric push rods (5), and further generating adsorption force on the deflector covers corresponding to the high-pressure nozzles (7);
s3, under the action of adsorption force, the deflector downwards moves to a certain extent, so that the deflector (71) is driven to deviate downwards to a certain extent, at the moment, the direction of an airflow beam sprayed out of the high-pressure nozzle (7) is deviated to break the stable state of rotational flow, part of particles tend to be disordered and scattered, the speed difference between the part of particles and the rest of particles is effectively increased, the crushing effect is improved, and after the particle size meets the standard, the particles are discharged outside along the discharge pipe (22) under the action of an exhaust fan externally connected with the discharge pipe (22);
s4, after 5-10 seconds, controlling the steering wheel (6) to incline towards other directions, enabling the high-pressure nozzle (7) and the steering magnetic ball (64) to be misplaced, then controlling the same electric push rod (5) to shorten again at intervals of 2-5 minutes, and repeating the steps S2-S3 until the crushing is completed;
the freshwater fish feed grinder comprises a grinder body (1), wherein the upper end of the grinder body (1) is connected with a Venturi feeding pipe (21) and a discharging pipe (22), the Venturi feeding pipe and the discharging pipe are communicated with the grinder body (1), a plurality of high-pressure nozzles (7) are connected in the grinder body (1), the high-pressure nozzles (7) are communicated with an external air source, the lower end of the grinder body (1) is fixedly connected with a plurality of struts (3), one end of each strut (3) facing the longitudinal axis of the grinder body (1) is fixedly connected with a supporting plate (4), an electric push rod (5) is fixedly connected onto each supporting plate (4), a plurality of steering discs (6) are arranged at the upper ends of the electric push rods (5), the steering discs (6) are located under the grinder body (1), the upper ends of the electric push rods (5) are in a spherical structure, a plurality of sliding grooves (51) which correspond to the struts (3) respectively are cut at the bottoms of the steering discs (6), and the tops of the electric push rods (5) are in sliding connection with the sliding grooves (51).
The steering wheel (6) comprises an outer frame (61), a semicircular cover (62) fixedly connected to the inner bottom edge of the outer frame (61), a plurality of baffles (63) fixedly connected between the inner wall of the semicircular cover (62) and the inner bottom end of the outer frame (61), and a plurality of steering magnetic balls (64) respectively placed between two adjacent baffles (63);
the high-pressure nozzle (7) is characterized in that a diversion guide cover (71) is fixedly sleeved at the outer end of the opening of the high-pressure nozzle, a deflector is arranged at the outer end of the diversion guide cover (71), a non-elastic rope (91) is fixedly connected to the lower end of the deflector, a ferromagnetic block (92) is fixedly connected to the lower end of the non-elastic rope (91), and the ferromagnetic block (92) is mutually matched with the diversion magnetic ball (64).
2. The crushing process of the freshwater fish feed crusher according to claim 1, wherein the venturi feed pipe (21) is obliquely arranged, the discharge pipe (22) is positioned at the center of the upper end of the crusher body (1), the high-pressure nozzle (7) is not perpendicular to the inner wall of the crusher body (1), and the acute angle is not more than 60 degrees.
3. A crushing process of a freshwater fish feed crusher according to claim 2, characterized in that the number of the high-pressure nozzles (7) is not less than 5, and one of the high-pressure nozzles (7) is located right above one of the electric push rods (5).
4. The pulverizing process of a freshwater fish feed pulverizer as defined in claim 1, wherein the baffle (63) is made of a material with high magnetic permeability, the direction-adjusting magnetic ball (64) is of a magnetic sphere structure, and the diameter of the direction-adjusting magnetic ball (64) is smaller than the radius of the semicircular cover (62).
5. The crushing process of the freshwater fish feed crusher according to claim 1, wherein the diversion guide cover (71) comprises a shaping section (711) fixedly connected to the high-pressure nozzle (7), an air injection section (713) positioned outside the mouth of the high-pressure nozzle (7) and a diversion section (712) connected between the shaping section and the high-pressure nozzle, the diversion section (712) is made of elastic sealing materials, and the end part of the shaping section (711) connected with the diversion section (712) and the cross section of the diversion section (712) are of parallel trapezoid structures.
6. The process for pulverizing freshwater fish feed pulverizer as defined in claim 5, wherein the deflector comprises a positioning ring (81) fixedly connected to the outer end of the shaping section (711), a magnetic ring (82) sleeved outside the inclined surface of the shaping section (711), and a plurality of elastic ropes (83) respectively connected between the magnetic ring (82) and the positioning ring (81).
7. The pulverizing process of a freshwater fish feed pulverizer as defined in claim 6, wherein the magnetic ring (82) is positioned outside the junction of the turning section (712) and the shaping section (711) when the ferromagnetic block (92) is not attracted by the direction-adjusting magnetic ball (64).
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