CN107350023B - Multi-rotor hammer sheet type pulverizer - Google Patents
Multi-rotor hammer sheet type pulverizer Download PDFInfo
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- CN107350023B CN107350023B CN201710743322.9A CN201710743322A CN107350023B CN 107350023 B CN107350023 B CN 107350023B CN 201710743322 A CN201710743322 A CN 201710743322A CN 107350023 B CN107350023 B CN 107350023B
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/20—Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C2013/2808—Shape or construction of beater elements the beater elements are attached to disks mounted on a shaft
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28618—Feeding means
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to a multi-rotor hammer type pulverizer, which comprises a feeding device and a pulverizing device, wherein the feeding device comprises a feeding hopper and a material guiding device connected to the lower part of the feeding hopper; the inner rotor comprises a first rotor, a second rotor and a third rotor which are distributed in an equilateral triangle, and the first rotor, the second rotor and the third rotor rotate in the same direction.
Description
Technical Field
The invention relates to the technical field of crushing equipment, in particular to a multi-rotor hammer type crusher.
Background
Most of the currently known pulverizer is a hammer pulverizer, and the working principle of the pulverizer is that a rotor rotating at a high speed drives a hammer to rotate, so that fed materials are broken up and flow out of the pulverizer after screening.
The currently commonly used single-rotor hammer crusher is limited by the design of a mechanism and the strength of materials, the rotating speed of a rotor is limited, the linear speed of a hammer is usually improved by increasing the diameter of the rotor, but the linear speed of the hammer is not too high, otherwise, the hammer is dangerous;
therefore, how to improve the crushing efficiency of the hammer mill by improving the structure of the hammer mill has become a problem to be solved in the field of crushing apparatuses.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: how to improve the crushing efficiency of the hammer mill by improving the structure of the hammer mill.
In order to solve the technical problems, the invention adopts the following technical scheme: the multi-rotor hammer type pulverizer comprises a feeding device and a pulverizing device, wherein the feeding device comprises a feeding hopper and a material guiding device connected to the lower part of the feeding hopper;
the crushing device comprises a shell connected to the lower part of the material guiding device, a crushing chamber arranged in the shell, an inner rotor, an outer rotor, a first hammer, a second hammer, a third hammer and a fourth hammer; the thickness of the first hammer piece is the same as that of the second hammer piece, the third hammer piece and the fourth hammer piece respectively;
the axial direction of the inner rotor is in a horizontal direction, the inner rotor comprises a first rotor, a second rotor and a third rotor, and the shaft part of the first rotor, the shaft part of the second rotor and the shaft part of the third rotor are distributed in an equilateral triangle;
the axial direction of the outer rotor is the horizontal direction, and the steering directions of the inner rotor and the outer rotor are opposite;
the first rotor is transversely provided with a plurality of first hammer sheets in a lamination mode, a gap between the first hammer sheet and the adjacent first hammer sheet is larger than the thickness of the fourth hammer sheet, the second rotor is transversely provided with a second hammer sheet in a lamination mode, a gap between the second hammer sheet and the adjacent second hammer sheet is larger than the thickness of the fourth hammer sheet, the third rotor is transversely provided with a third hammer sheet in a lamination mode, and a gap between the third hammer sheet and the adjacent third hammer sheet is larger than the thickness of the fourth hammer sheet;
the outer rotor is transversely provided with a plurality of fourth hammer sheets in a stacked mode, the fourth hammer sheets are mutually staggered with the first hammer sheets, the fourth hammer sheets are mutually staggered with the second hammer sheets, and the fourth hammer sheets are mutually staggered with the third hammer sheets.
The invention has the beneficial effects that: in the multi-rotor hammer crusher, the inner rotor and the outer rotor which are opposite in steering are arranged in the shell of the crushing device, and the inner rotor comprises the first rotor, the second rotor and the third rotor which are distributed in an equilateral triangle manner, and because the first rotor, the second rotor and the third rotor rotate in the same direction, when the first hammer, the second hammer and the third hammer are close to each other, the relative linear movement directions are opposite, and when the inner rotor and the outer rotor rotate in two directions, the relative linear speeds among the first hammer, the second hammer, the third hammer and the fourth hammer are doubled, so that materials are crushed under multiple striking of the first hammer, the second hammer, the third hammer and the fourth hammer, and the crushing efficiency of the hammer crusher is improved under the condition that the linear speeds of the hammers are not changed.
Drawings
Fig. 1 is a schematic structural view of a multi-rotor hammer mill according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an inner rotor driving structure of a multi-rotor hammer mill according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an outer rotor driving structure of a multi-rotor hammer mill according to an embodiment of the present invention;
FIG. 4 is a schematic view of a first rotor structure of a multi-rotor hammer mill according to an embodiment of the present invention;
description of the reference numerals:
1. a feeding device; 11. a feed hopper; 2. a pulverizing device; 21. a housing; 22. a pulverizing chamber;
23. an inner rotor; 231. a first rotor; 232. a second rotor; 233. a third rotor; 24. an outer rotor; 241. an outer rotating shaft; 242. an outer web; 243. an outer punch; 25. a first hammer; 26. a second hammer; 27. a third hammer; 28. a fourth hammer; 3. a transmission device; 31. a transmission shaft; 32. a motor;
33. a drive belt; 34. a first gear; 35. a second gear; 36. a third gear; 4. a material guiding device; 41. a guide block; 5. a powder collection device; 51. a powder collection chamber; 52. a blower; 53. and (3) screening.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: the inner rotor comprises a first rotor, a second rotor and a third rotor which are distributed in three equilateral triangles, and the first, second and third rotors rotate in the same direction.
Referring to fig. 1 to 4, the present invention relates to a multi-rotor hammer mill, which comprises a feeding device 1 and a crushing device 2, wherein the feeding device 1 comprises a feeding hopper 11 and a guiding device 4 connected to the lower part of the feeding hopper 11;
the crushing device 2 comprises a shell 21 connected to the lower part of the material guiding device 4, a crushing chamber 22, an inner rotor 23, an outer rotor 24, a first hammer 25, a second hammer 26, a third hammer 27 and a fourth hammer 28 which are arranged in the shell 21; the thickness of the first hammer 25 is the same as that of the second hammer 26, the third hammer 27 and the fourth hammer 28;
the axial direction of the inner rotor 23 is a horizontal direction, the inner rotor 23 includes a first rotor 231, a second rotor 232, and a third rotor 233, and the shaft portions of the first rotor 231, the second rotor 232, and the third rotor 233 are distributed in an equilateral triangle;
the axial direction of the outer rotor 24 is the horizontal direction, and the steering direction of the inner rotor 23 and the outer rotor 24 is opposite;
the first rotor 231 is provided with a plurality of first hammers 25 in a transverse lamination manner, a gap between the first hammers 25 and an adjacent first hammer 25 is larger than a thickness of a fourth hammer 28, the second rotor 232 is provided with a second hammer 26 in a transverse lamination manner, a gap between the second hammer 26 and an adjacent second hammer 26 is larger than a thickness of the fourth hammer 28, the third rotor 233 is provided with a third hammer 27 in a transverse lamination manner, and a gap between the third hammer 27 and an adjacent third hammer 27 is larger than a thickness of the fourth hammer 28;
the outer rotor 24 is provided with a plurality of fourth hammers 28 in a transverse lamination manner, the fourth hammers 28 and the first hammers 25 are staggered with each other, the fourth hammers 28 and the second hammers 26 are staggered with each other, and the fourth hammers 28 and the third hammers 27 are staggered with each other.
The multi-rotor hammer type pulverizer has the beneficial effects that: in the multi-rotor hammer mill, the inner rotor 23 and the outer rotor 24 with opposite directions are arranged in the shell 21 of the mill 2, the inner rotor 23 comprises the first rotor 231, the second rotor 232 and the third rotor 233 which are distributed in three equilateral triangles, and as the first rotor 231, the second rotor 232 and the third rotor 233 rotate in the same direction, the relative linear movement directions of the first hammer 25, the second hammer 26 and the third hammer 27 are opposite when the first rotor 231, the second hammer 26, the third hammer 27 and the third hammer 27 are close to each other, and when the inner rotor 23 and the outer rotor 24 rotate in two directions, the relative linear speed between the first hammer 25, the second hammer 26, the third hammer 27 and the fourth hammer 28 is doubled, so that materials are accelerated to be crushed under the multiple striking of the first hammer 25, the second hammer 26, the third hammer 27 and the fourth hammer 28, and the crushing efficiency of the hammer mill is improved under the condition that the linear speed of the hammer is not changed.
Further, in the multi-rotor hammer mill, the outer rotor 24 includes an outer shaft 241, an outer rotor plate 242, and an outer punch 243; the outer rotor plate 242 is vertically connected to the outer rotor shaft 241, a plurality of outer punch rods 243 are uniformly connected to the outer rotor plate 242 along the circumference, the outer punch rods 243 are parallel to the outer rotor shaft 241, and the second hammer 26 is vertically connected to the outer punch rods 243.
Further, in the multi-rotor hammer mill, the first rotor 231 includes a first inner shaft, a first inner web, and a first inner punch; the first inner rotating plate is vertically connected to the first inner rotating shaft, a plurality of first inner punching rods are uniformly connected to the first inner rotating plate according to the circumference, the first inner punching rods are parallel to the inner rotating shaft, and the first hammer 25 is vertically connected to the first inner punching rods.
Further, in the multi-rotor hammer mill, the second rotor 232 includes a second inner shaft, a second inner web, and a second inner punch; the second inner rotating plate is vertically connected to the second inner rotating shaft, a plurality of second inner punching rods are uniformly connected to the second inner rotating plate according to the circumference, the second inner punching rods are parallel to the inner rotating shaft, and the second hammer 26 is vertically connected to the second inner punching rods.
Further, in the multi-rotor hammer mill, the third rotor 233 includes a third inner shaft, a third inner web, and a third inner punch; the third inner rotating plate is vertically connected to the third inner rotating shaft, a plurality of third inner punching rods are uniformly connected to the third inner rotating plate according to the circumference, the third inner punching rods are parallel to the inner rotating shaft, and the third hammer 27 is vertically connected to the third inner punching rods.
The multi-rotor hammer mill further comprises a transmission device 3, wherein the transmission device 3 comprises a transmission shaft 31, a transmission gear, a motor 32 and a transmission belt 33, the outer rotating shaft 241 is in the shape of a hollow circular cylinder, the transmission shaft 31 is positioned in the outer rotating shaft 241, and a gear ring is arranged on the inner side of the outer rotating shaft 241; the outer side of the transmission shaft 31 is sleeved with a first gear 34, and the first gear 34 is connected with a gear ring through a transmission gear; the transmission gear comprises a second gear 35 and a third gear 36; the first gear 34 is meshed with a second gear 35, the second gear 35 is meshed with a third gear 36, and the third gear 36 is meshed with a gear ring; the transmission shaft 31 is connected with the first inner rotating shaft through a transmission belt 33, the transmission shaft 31 is connected with the second inner rotating shaft through the transmission belt 33, the transmission shaft 31 is connected with the third inner rotating shaft through the transmission belt 33, and the transmission shaft 31 is connected with the motor 32 through the transmission belt 33.
By the simple transmission mode, only one motor 32 is needed to drive the multiple inner rotors 23 to rotate and the outer rotor 24 to reversely rotate.
Further, in the multi-rotor hammer pulverizer, the material guiding device 4 includes a material guiding channel and material guiding blocks 41 disposed in the material guiding channel, the material guiding channel is a horn-shaped channel with a narrow upper part and a wide lower part, the material guiding channel is uniformly provided with a plurality of material guiding blocks 41, and the material guiding blocks 41 are distributed in a staggered array.
Through the horn-shaped guide channel with narrow upper part and wide lower part, the materials to be crushed are uniformly scattered under the buffer and flow distribution effect of a plurality of guide blocks 41 distributed in a staggered array before entering the crushing chamber 22, and enter the crushing chamber 22 more uniformly and slowly, so that the crushing efficiency of the materials is improved.
Further, in the multi-rotor hammer mill, the longitudinal section of the guide block 41 is isosceles triangle; the bottom side of the isosceles triangle is parallel to the horizontal plane.
Further, in the multi-rotor hammer mill, a powder collecting device 5 is further disposed in the casing 21, and the powder collecting device 5 includes a powder collecting cavity 51, a fan 52 and a screen 53;
the powder collecting cavity 51 is in a circular ring shape, the powder collecting cavity 51 is positioned at the periphery of the crushing chamber 22, and a screen 53 is arranged at the joint of the powder collecting cavity 51 and the crushing chamber 22; the lower part of the powder collecting cavity 51 is provided with a discharge hole, and a fan 52 is arranged at the discharge hole.
The materials generate centrifugal force in the crushing process, meanwhile, under the action of the fan 52, the shaft part deviating from the inner rotor 23 moves towards the screen 53, powder with the particle size smaller than that of the screen holes enters the powder collecting cavity 51 through the screen 53, and the powder in the powder collecting cavity 51 is pumped out and collected through the fan 52 at the discharge hole.
Further, in the multi-rotor hammer mill, a reinforcing web is provided every 15-30cm apart in the axial direction of the first inner rotary shaft, and the reinforcing web is connected to the first inner punch.
Through evenly setting up the reinforcement web in the axial of interior pivot, make inner rotor 23 when high-speed rotation, the connection of interior punch stem and inner rotor 23 is more firm.
Example 1
The multi-rotor hammer type pulverizer comprises a feeding device 1 and a pulverizing device 2, wherein the feeding device 1 comprises a feeding hopper 11 and a material guiding device 4 connected to the lower part of the feeding hopper 11; the crushing device 2 comprises a shell 21 connected to the lower part of the material guiding device 4, a crushing chamber 22, an inner rotor 23, an outer rotor 24, a first hammer 25, a second hammer 26, a third hammer 27 and a fourth hammer 28 which are arranged in the shell 21; the thickness of the first hammer 25 is the same as that of the second hammer 26, the third hammer 27 and the fourth hammer 28; the axial direction of the inner rotor 23 is a horizontal direction, the inner rotor 23 includes a first rotor 231, a second rotor 232, and a third rotor 233, and the shaft portions of the first rotor 231, the second rotor 232, and the third rotor 233 are distributed in an equilateral triangle; the axial direction of the outer rotor 24 is the horizontal direction, and the steering direction of the inner rotor 23 and the outer rotor 24 is opposite; the first rotor 231 is provided with a plurality of first hammers 25 in a transverse lamination manner, a gap between the first hammers 25 and an adjacent first hammer 25 is larger than a thickness of a fourth hammer 28, the second rotor 232 is provided with a second hammer 26 in a transverse lamination manner, a gap between the second hammer 26 and an adjacent second hammer 26 is larger than a thickness of the fourth hammer 28, the third rotor 233 is provided with a third hammer 27 in a transverse lamination manner, and a gap between the third hammer 27 and an adjacent third hammer 27 is larger than a thickness of the fourth hammer 28; the outer rotor 24 is provided with a plurality of fourth hammers 28 in a transverse lamination manner, the fourth hammers 28 and the first hammers 25 are staggered with each other, the fourth hammers 28 and the second hammers 26 are staggered with each other, and the fourth hammers 28 and the third hammers 27 are staggered with each other.
The outer rotor 24 includes an outer shaft 241, an outer rotor plate 242, and outer punch 243; the outer rotor plate 242 is vertically connected to the outer rotor shaft 241, a plurality of outer punch rods 243 are uniformly connected to the outer rotor plate 242 along the circumference, the outer punch rods 243 are parallel to the outer rotor shaft 241, and the second hammer 26 is vertically connected to the outer punch rods 243. The first rotor 231 includes a first inner shaft, a first inner web, and a first inner ram; the first inner rotating plate is vertically connected to the first inner rotating shaft, a plurality of first inner punching rods are uniformly connected to the first inner rotating plate according to the circumference, the first inner punching rods are parallel to the inner rotating shaft, and the first hammer 25 is vertically connected to the first inner punching rods. The second rotor 232 includes a second inner shaft, a second inner web, and a second inner ram; the second inner rotating plate is vertically connected to the second inner rotating shaft, a plurality of second inner punching rods are uniformly connected to the second inner rotating plate according to the circumference, the second inner punching rods are parallel to the inner rotating shaft, and the second hammer 26 is vertically connected to the second inner punching rods. The third rotor 233 includes a third inner shaft, a third inner web, and a third inner ram; the third inner rotating plate is vertically connected to the third inner rotating shaft, a plurality of third inner punching rods are uniformly connected to the third inner rotating plate according to the circumference, the third inner punching rods are parallel to the inner rotating shaft, and the third hammer 27 is vertically connected to the third inner punching rods.
The multi-rotor hammer mill further comprises a transmission device 3, wherein the transmission device 3 comprises a transmission shaft 31, a transmission gear, a motor 32 and a transmission belt 33, the outer rotating shaft 241 is in the shape of a hollow circular cylinder, the transmission shaft 31 is positioned in the outer rotating shaft 241, and a gear ring is arranged on the inner side of the outer rotating shaft 241; the outer side of the transmission shaft 31 is sleeved with a first gear 34, and the first gear 34 is connected with a gear ring through a transmission gear; the transmission gear comprises a second gear 35 and a third gear 36; the first gear 34 is meshed with a second gear 35, the second gear 35 is meshed with a third gear 36, and the third gear 36 is meshed with a gear ring; the transmission shaft 31 is connected with the first inner rotating shaft through a transmission belt 33, the transmission shaft 31 is connected with the second inner rotating shaft through the transmission belt 33, the transmission shaft 31 is connected with the third inner rotating shaft through the transmission belt 33, and the transmission shaft 31 is connected with the motor 32 through the transmission belt 33.
The material guiding device 4 comprises a material guiding channel and material guiding blocks 41 arranged in the material guiding channel, the material guiding channel is a horn-shaped channel with a narrow upper part and a wide lower part, a plurality of material guiding blocks 41 are uniformly arranged in the material guiding channel, and the material guiding blocks 41 are distributed in a staggered array. The longitudinal section of the guide block 41 is isosceles triangle; the bottom side of the isosceles triangle is parallel to the horizontal plane. A powder collecting device 5 is further arranged in the shell 21, and the powder collecting device 5 comprises a powder collecting cavity 51, a fan 52 and a screen 53; the powder collecting cavity 51 is in a circular ring shape, the powder collecting cavity 51 is positioned at the periphery of the crushing chamber 22, and a screen 53 is arranged at the joint of the powder collecting cavity 51 and the crushing chamber 22; the lower part of the powder collecting cavity 51 is provided with a discharge hole, and a fan 52 is arranged at the discharge hole. A reinforcing web is arranged every 15-30cm apart in the axial direction of the first inner rotating shaft, and the reinforcing web is connected with the first inner punch.
In summary, in the multi-rotor hammer pulverizer provided by the invention, the inner rotor and the outer rotor with opposite directions are arranged in the shell of the pulverizer, and the inner rotor comprises the first rotor, the second rotor and the third rotor which are distributed in three equilateral triangles, and because the first rotor, the second rotor and the third rotor rotate in the same direction, when the first hammer, the second hammer and the third hammer are close to each other, the relative linear movement directions are opposite, and when the inner rotor and the outer rotor rotate in two directions, the relative linear speeds among the first hammer, the second hammer, the third hammer and the fourth hammer are doubled, so that the materials are accelerated to be broken under the multiple striking of the first hammer, the second hammer, the third hammer and the fourth hammer, and the pulverizing efficiency of the hammer pulverizer is improved under the condition that the linear speeds of the hammers are not changed. Through the horn-shaped guide channel with narrow upper part and wide lower part, materials to be crushed are uniformly scattered under the buffer and flow distribution effect of a plurality of guide blocks distributed in staggered arrays before entering the crushing chamber, and the materials enter the crushing chamber more uniformly and slowly, so that the crushing efficiency of the materials is improved further.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (3)
1. The multi-rotor hammer type pulverizer is characterized by comprising a feeding device and a pulverizing device, wherein the feeding device comprises a feeding hopper and a material guiding device connected to the lower part of the feeding hopper;
the crushing device comprises a shell connected to the lower part of the material guiding device, a crushing chamber arranged in the shell, an inner rotor, an outer rotor, a first hammer, a second hammer, a third hammer and a fourth hammer; the thickness of the first hammer piece is the same as that of the second hammer piece, the third hammer piece and the fourth hammer piece respectively;
the axial direction of the inner rotor is in a horizontal direction, the inner rotor comprises a first rotor, a second rotor and a third rotor, and the shaft part of the first rotor, the shaft part of the second rotor and the shaft part of the third rotor are distributed in an equilateral triangle;
the axial direction of the outer rotor is the horizontal direction, and the steering directions of the inner rotor and the outer rotor are opposite;
the first rotor is transversely provided with a plurality of first hammer sheets in a lamination mode, a gap between the first hammer sheet and the adjacent first hammer sheet is larger than the thickness of the fourth hammer sheet, the second rotor is transversely provided with a second hammer sheet in a lamination mode, a gap between the second hammer sheet and the adjacent second hammer sheet is larger than the thickness of the fourth hammer sheet, the third rotor is transversely provided with a third hammer sheet in a lamination mode, and a gap between the third hammer sheet and the adjacent third hammer sheet is larger than the thickness of the fourth hammer sheet;
the outer rotor is transversely provided with a plurality of fourth hammer sheets in a lamination mode, the fourth hammer sheets are mutually staggered with the first hammer sheets, the fourth hammer sheets are mutually staggered with the second hammer sheets, and the fourth hammer sheets are mutually staggered with the third hammer sheets;
the outer rotor comprises an outer rotating shaft, an outer rotating amplitude plate and an outer punch rod; the outer rotating plate is vertically connected with the outer rotating shaft, a plurality of outer punching rods are uniformly connected to the outer rotating plate according to the circumference, the outer punching rods are parallel to the outer rotating shaft, and the fourth hammer piece is vertically connected with the outer punching rods;
the first rotor comprises a first inner rotating shaft, a first inner rotating plate and a first inner punch rod; the first inner rotating plate is vertically connected with the first inner rotating shaft, a plurality of first inner punching rods are uniformly connected to the first inner rotating plate according to the circumference, the first inner punching rods are parallel to the first inner rotating shaft, and the first hammer sheet is vertically connected with the first inner punching rods;
the second rotor comprises a second inner rotating shaft, a second inner rotating plate and a second inner punch rod; the second inner rotating plate is vertically connected with the second inner rotating shaft, a plurality of second inner punching rods are uniformly connected to the second inner rotating plate according to the circumference, the second inner punching rods are parallel to the second inner rotating shaft, and the second hammer sheet is vertically connected with the second inner punching rods;
the third rotor comprises a third inner rotating shaft, a third inner rotating plate and a third inner punch rod; the third inner rotating plate is vertically connected with a third inner rotating shaft, a plurality of third inner punching rods are uniformly connected to the third inner rotating plate according to the circumference, the third inner punching rods are parallel to the third inner rotating shaft, and the third hammer is vertically connected with the third inner punching rods;
a reinforcing web is arranged every 15-30cm apart in the axial direction of the first inner rotating shaft, and the reinforcing web is connected with the first inner punch rod;
the material guiding device comprises a material guiding channel and material guiding blocks arranged in the material guiding channel, wherein the material guiding channel is a horn-shaped channel with a narrow upper part and a wide lower part, a plurality of material guiding blocks are uniformly arranged in the material guiding channel, and the material guiding blocks are distributed in a staggered array;
the shell is internally provided with a powder collecting device which comprises a powder collecting cavity, a fan and a screen;
the powder collecting cavity is in a ring shape, the powder collecting cavity is positioned at the periphery of the crushing chamber, and a screen is arranged at the joint of the powder collecting cavity and the crushing chamber; the powder collecting cavity is characterized in that a discharge hole is formed in the lower portion of the powder collecting cavity, and a fan is arranged at the discharge hole.
2. The multi-rotor hammer mill according to claim 1, further comprising a transmission device, wherein the transmission device comprises a transmission shaft, a transmission gear, a motor and a transmission belt, the outer rotating shaft is a hollow circular cylinder, the transmission shaft is positioned in the outer rotating shaft, and a gear ring is arranged on the inner side of the outer rotating shaft; the outer side of the transmission shaft is sleeved with a first gear, and the first gear is connected with the gear ring through a transmission gear; the transmission gear comprises a second gear and a third gear; the first gear is meshed with the second gear, the second gear is meshed with the third gear, and the third gear is meshed with the gear ring; the transmission shaft is connected with the first inner rotating shaft through a transmission belt, the transmission shaft is connected with the second inner rotating shaft through a transmission belt, the transmission shaft is connected with the third inner rotating shaft through a transmission belt, and the transmission shaft is connected with the motor through a transmission belt.
3. The multi-rotor hammer mill of claim 1, wherein the longitudinal section of the pilot block is isosceles triangle; the bottom side of the isosceles triangle is parallel to the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743322.9A CN107350023B (en) | 2017-08-25 | 2017-08-25 | Multi-rotor hammer sheet type pulverizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743322.9A CN107350023B (en) | 2017-08-25 | 2017-08-25 | Multi-rotor hammer sheet type pulverizer |
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| CN107350023A CN107350023A (en) | 2017-11-17 |
| CN107350023B true CN107350023B (en) | 2023-04-28 |
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| CN201710743322.9A Active CN107350023B (en) | 2017-08-25 | 2017-08-25 | Multi-rotor hammer sheet type pulverizer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109046591A (en) * | 2018-09-06 | 2018-12-21 | 蚌埠贝特智能科技有限公司 | A kind of glass raw material crusher |
| CN112317040B (en) * | 2020-10-13 | 2022-01-14 | 英鸿纳米科技股份有限公司 | Low-temperature crushing cabin for efficient material decomposition |
| CN115957679A (en) * | 2023-02-01 | 2023-04-14 | 重庆工商大学 | Universal fuel oil additive composition, production process and processing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162293Y (en) * | 1992-08-18 | 1994-04-20 | 徐水桥 | Double-size efficiente hammer pulverizer with cover rotor |
| CN2417924Y (en) * | 2000-04-04 | 2001-02-07 | 张显民 | Hammering-sheet type disintegrator |
| CN100421802C (en) * | 2006-12-05 | 2008-10-01 | 李福全 | Crusher |
| CN201644148U (en) * | 2010-03-19 | 2010-11-24 | 成都华西希望农业科学技术研究所有限公司 | Novel hammer type grinder |
| CN202897509U (en) * | 2012-10-26 | 2013-04-24 | 内蒙古国原矿业技术有限公司 | Pulverized coal transfer dust suppression device |
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