CN101816969B - Hammer type crusher internally provided with feeding fan and rotary screen - Google Patents

Hammer type crusher internally provided with feeding fan and rotary screen Download PDF

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Publication number
CN101816969B
CN101816969B CN 201010124444 CN201010124444A CN101816969B CN 101816969 B CN101816969 B CN 101816969B CN 201010124444 CN201010124444 CN 201010124444 CN 201010124444 A CN201010124444 A CN 201010124444A CN 101816969 B CN101816969 B CN 101816969B
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screen
sieve
rotary screen
main shaft
panel
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Expired - Fee Related
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CN 201010124444
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CN101816969A (en
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黄元庆
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黄元庆
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Priority to CN 201010124444 priority Critical patent/CN101816969B/en
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Abstract

The invention discloses a hammer type crusher internally provided with a feeding fan and a rotary screen, which comprises a shell, a driving device as well as rotary screen assembly and a rotor assembly that are arranged inside the shell, wherein the rotary screen assembly comprises a fan and a filter screen; the rotor assembly comprises a hammer carrier plate and a hammer piece; the driving device drives the rotary screen assembly and the rotor assembly to rotate along the opposite directions at the same time; the fan can be used for throwing the material to the end of the hammer piece along the direction of 360 degrees, so that the material can be completely crushed by the hammer piece; meanwhile, the rotary screen assembly and the rotor assembly rotate along the opposite directions, so that a material circulation layer can be prevented from being formed, and the problems of material blockage, excessive crushing, uneven granularity, high material temperature, high consumption and energy consumption and the like can be avoided; and the filter screen rotating at the wrap angle of 360 degrees is beneficial to discharging, so that circumferential 360-degree feeding and 360-discharging can be realized, and the problem that a screen of the traditional crusher is fixed, so that the feeding direction is limited can be solved. The hammer type crusher has the advantages of high efficiency, energy conservation, environmental protection, good quality of finished goods and the like, and can be applied to vertical and horizontal hammer type crushers, thus having wide application scope.

Description

The beater disintegrating machine of built-in feeding fan and rotary screen
Technical field
The present invention relates to the machinery that the fields such as feed, food, chemical industry, pharmacy are used for crushing material, particularly the beater disintegrating machine of a kind of built-in feeding fan and rotary screen.
Background technology
Beater disintegrating machine is that the industries such as feed, food, chemical industry, pharmacy are used for material by high speed shear, hammering, and obtain the equipment of required pulvis through screen filtration under the driving of air blast, feedstuff industry particularly, disintegrating apparatus generally accounts for the 35%-60% of total installation of generating capacity, and is of many uses.
In prior art, beater disintegrating machine discrete and horizontal two kinds, the vertical general medium-sized pulverizer that is used for; Horizontal for, large-scale pulverizer, mainly adopt radially, axial and tangential feeding manner, the sieve cornerite that different feeding manners is corresponding different, in general, the cornerite maximum can reach 300 °.
Existing beater disintegrating machine has following deficiency:
1. feeding manner is limited, horizontal is the single-point charging, on rotor each row's hammer leaf need rotate a circle (360 °) could form once material and hit, vertical at most also only have 3 chargings at present, therefore, each row's hammer leaf rotates a circle and at most also can only form three strikes to material, in rotating a circle, hammer leaf only at one or several point, material is formed effective shearing and hammering, and most of the time is in idling conditions, cause the crush efficiency of material to be subject to great restriction, capacity usage ratio is not high yet, in addition, shearing and hammering material due to the hammer leaf intermittence, its suffered load is also inhomogeneous, cause vibration equipment, noise is relatively large, motor also there is adverse effect,
2. traditional beater disintegrating machine has limited the orientation of charging aperture due to feeding manner, the screen cloth cornerite can't reach 360 °, and must be fixing so that material enters crushing chamber by breach, when causing moving, the sieve inner ring forms the material circulation layer, because material causes hammer leaf not form effective strike to material with the rotation of rotor hammer leaf, larger to crush efficiency and quality influence equally, and increased energy consumption, simultaneously, circulation layer makes pulverized small particles material in time not discharge screen cloth and material is excessively pulverized, not only increase unnecessary energy consumption, also bring raw meal particle size inhomogeneous, material temperature is high, the problems such as the contracting consumption is large,
3. the charging breach must be fixed and reserve to traditional disintegrator sieving net, can not 360 ° of sealings, and make the discharge angle limited, the screen area less, and little sieve aperture (Φ 1.0mm is following) is easily caused stifled sieve phenomenon, material can't effectively be discharged in maximum magnitude;
4. traditional disintegrator sieving net is fixed, and discharging is difficult, needs the wind-force dedusting accessory system of configure dedicated, increase the cost of the input of equipment and maintenance, cleaning, environment has also easily been caused dust pollution, simultaneously, also increased total installation of generating capacity, space hold is larger, and energy consumption increases;
5. the pressure screening mechanism of traditional pulverizer is heavy, difficulty of processing is large, manufacturing cost is high, rapid wear.
For above-mentioned deficiency, need to explore a kind of beater disintegrating machine, make it solve that the crush efficiency that traditional beater disintegrating machine has is low, discharge is smooth, energy consumption is high, affect end product quality and benefit, the problem such as seriously polluted, manufacturing maintenance cost height.
Summary of the invention
In view of this, the invention provides the beater disintegrating machine of a kind of built-in feeding fan and rotary screen, this pulverizer can be in 360 ° of direction chargings and pulverizing, simultaneously also can 360 ° of discharges, discharge is unimpeded, have efficient, low energy consumption, end product quality high, increase the advantages such as benefit, environmental protection.
The beater disintegrating machine of built-in feeding fan of the present invention and rotary screen comprises housing, drive unit, is arranged at and revolves sieve assembly and rotor assembly in housing; The described sieve assembly that revolves comprises blower fan and tubular screen, described blower fan comprises circular inner panel and the circular outside plate that is arranged in parallel, described inner panel is being rotatably assorted around mode and the housing that himself axis rotates, inner panel and outside plate are by being arranged between the two and being fixedly connected with along the blade of the rotating shaft radial radiation of inner panel, the outside plate middle part arranges material inlet, described screen one end is fixedly connected on outside plate near a side of inner panel and with inner panel, outside plate and jointly surrounds the crushing material chamber, forms the material channel that is communicated with material inlet and crushing material chamber between adjacent blades; Described rotor assembly is arranged in the crushing material chamber, comprise the hammer frame plate that is rotatably assorted by main shaft and housing and circumferentially be set up in parallel hammer slice axis on hammer frame plate along main shaft removably, with the mode of being rotatably assorted overcoat arranged side by side, hammer leaf is arranged on described hammer slice axis, described drive unit transmission coordinates inner panel and main shaft, and the charging aperture and the air inlet that are communicated with material inlet are set on described housing.
Further, described drive unit comprises motor and planet wheel decelerator, the rotating shaft of described motor and main shaft are along circumferential secure fit, planet wheel decelerator comprise the driving gear that is fixedly installed on main shaft and with the reduction case of the coaxial setting of driving gear, driving gear is positioned at reduction case, ring gear is set on reduction case, meshes simultaneously with driving gear and ring gear and be provided with planetary gear, described reduction case is fixedly connected with inner panel;
Further, described reduction case and inner panel eccentric setting;
Further, described screen comprises two arc sieves that are oppositely arranged, the described sieve assembly that revolves also comprises the arc holder sieve plate that sieves the gap for governor weight, the holder sieve plate to be can circumferentially be set up in parallel along the mode of main shaft radiai adjustment along screen in revolving on the sieve assembly, and described arc sieve two ends are fixedly connected with the holder sieve plate;
Further, be disposed radially the kidney-shaped adjustment hole on described outside plate, the holder sieve plate is fixedly connected with outside plate by the screw that passes the kidney-shaped adjustment hole;
Further, described arc sieve edge correspondence is provided with the pressure screen device, press screen device to comprise flexible steel band, snap close and hook, snap close and hook are fixedly installed on respectively the two ends of flexible steel band, press screen device to make the arc sieve compress the compacting ring of holder sieve plate by snap close and the end to end formation of hook for two;
Further, the described hammer leaf dual-side that is positioned at circumferencial direction all arranges cutting edge;
Further, described main shaft is horizontally disposed with, and described screen is the tubular construction of both ends open, and the described sieve assembly that revolves comprises two blower fans that are symmetricly set in the screen two ends, and described charging aperture is communicated with the material inlet of two blower fans respectively.
Further, be fixedly connected with between the outside plate of described two blower fans coupling bar is set;
Further, described main shaft vertically arranges, and described screen one end arranges end sieve, and the other end is fixedly connected with outside plate and jointly surrounds the crushing material chamber with inner panel, outside plate.
The beneficial effect of the invention: the beater disintegrating machine of built-in feeding fan of the present invention and rotary screen has the following advantages:
1) 360 ° of feedings and discharge can effectively improve material and be sheared probability with hammering, enhance productivity, and have avoided simultaneously the idle running energy consumption, reach energy-efficient purpose;
2) reduce noise and dust pollution, reach the purpose of environmental protection;
3) effective breaking material circulation layer is avoided solid accumulation and makes material temperature too high, in order to avoid material pyrometamorphism or moisture content excessive loss, adapt to relative water content higher or the pulverizing of the material that low temperature process requires arranged, effectively guarantee the quality of gained finished product, applied range, economic benefit is high;
4) need not special-purpose dedusting discharge accessory system, the flexible screen device of pressing is simple in structure, easy to use, effectively reduces device fabrication, maintenance, clears up, takes up room and cost that energy resource consumption brings;
5) screen vibration and relative hammer leaf counter-rotating, also can effectively avoid stifled sieve.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the horizontal built-in feeding fan rotary screen beater disintegrating machine of the present invention;
Fig. 2 is the structural representation of vertical internal feeding fan rotary screen beater disintegrating machine;
Fig. 3 is for revolving sieve assembly front view;
Fig. 4 is for revolving sieve assembly structure schematic diagram.
The specific embodiment
Fig. 1 is the structural representation of the horizontal built-in feeding fan rotary screen beater disintegrating machine of the present invention, Fig. 2 is the structural representation of vertical internal feeding fan rotary screen beater disintegrating machine, Fig. 3 is for revolving sieve assembly front view, Fig. 4 is for revolving sieve assembly structure schematic diagram, as shown in the figure: the built-in feeding fan of the present embodiment and the beater disintegrating machine of rotary screen comprise housing 1, drive unit, are arranged at and revolve sieve assembly and rotor assembly in housing 1, the described sieve assembly that revolves comprises blower fan and tubular screen 2, described blower fan comprises circular inner panel 3 and the circular outside plate 4 that is arranged in parallel, described inner panel 3 is being rotatably assorted around mode and the housing 1 that himself axis rotates, inner panel 3 and outside plate 4 are by being arranged between the two and being fixedly connected with along the blade 5 of the rotating shaft radial radiation of inner panel 3, outside plate 4 middle parts arrange material inlet 6, described screen 2 one ends be fixedly connected on outside plate 4 near a side of inner panel 3 and with inner panel 3, outside plate 4 surrounds crushing material chamber 7 jointly, form along the rotating shaft radial radiation between adjacent blades 5 and be communicated with material inlet 6 and the material channel 8 in crushing material chamber 7, described rotor assembly is arranged in crushing material chamber 7, comprise that the hammer frame plate 9 that is rotatably assorted by main shaft 9a and housing 1 and four are circumferentially uniform and be arranged at removably hammer slice axis on hammer frame plate 9 along main shaft 9a, with the mode of being rotatably assorted overcoat arranged side by side, hammer leaf 10 is arranged on every hammer slice axis, can increase or reduce hammer leaf density according to actual conditions, to reach best crushing effect, described drive unit transmission coordinates inner panel 3 and main shaft 9a, the charging aperture 1a and the air inlet 1b that are communicated with material inlet 6 are set on described housing 1, during use, drive unit drives the inner panel rotation, drive the rotation of blower fan and screen, material enters from charging aperture, freely falling body is to material inlet under Action of Gravity Field, the air-flow that fan blade produces sucks material channel with material, under the effect of air-flow and centrifugal force, material is admitted to the crushing material chamber along 360 ° from all directions, hammer frame plate drives hammer leaf and in the circumference optional position very first time, it is sheared and hammering, effectively improve crush efficiency, and reduction energy consumption, in addition, tubular screen cornerite reaches 360 °, when effectively increasing screen area, screen cloth is also rotatable, material 360 ° of discharges under the effect of centrifugal force increase the discharge ability greatly, simultaneously, the air-flow that blade produces also is conducive to the discharge of comminuting matter, need not to be equipped with in addition special-purpose wind-force dedusting discharge accessory system, can effectively reduce equipment volume and equipment investment cost.
in the present embodiment, described drive unit comprises motor 11 and planet wheel decelerator, except motor, use other power-equipments drivings such as diesel engine, can realize purpose of the present invention equally, the rotating shaft of described motor 11 and main shaft 9a are along circumferential secure fit, planet wheel decelerator comprise the driving gear 12 that is fixedly installed on main shaft 9a and with the reduction case 13 of driving gear 12 coaxial settings, driving gear 12 is positioned at reduction case 13, ring gear 13a is set on reduction case 13, mesh simultaneously with driving gear 12 and ring gear 13a and be provided with planetary gear 14, described reduction case 13 is fixedly connected with inner panel 3, pass through driving gear, planetary gear and ring gear, can make hammer frame plate opposite with the direction of rotation of revolving the sieve assembly, thereby make feed direction relative with the hammer leaf direction of motion, guarantee that shearing and hammering are more effective, simultaneously, heterodromous screen and hammer leaf also can avoid hammering into shape generation material circulation layer between sieve, can effectively avoid the excessive pulverizing of material to waste energy and make the material contracting consume increase with material temperature is too high, also can avoid tiny material to block up and sieve, and improve pulverizing and discharging efficient.
Certainly, use the power-equipments such as two motors or diesel engine to drive respectively to revolve sieve assembly is relative with rotor assembly and counter-rotate, purpose of the present invention can be realized equally, but also the crushing effect of controlling respectively to reach the best to both rotating speeds can be realized, but also corresponding increase of equipment investment.
In the present embodiment, described reduction case 13 and inner panel 3 eccentric settings can make inner panel make eccentric rotary, thereby make screen produce certain vibration, are conducive to discharge.
In the present embodiment, described screen 2 comprises two arc sieve 2a that are oppositely arranged, the described sieve assembly that revolves also comprises the arc holder sieve plate 16 that sieves the gap for governor weight, holder sieve plate 16 is can circumferentially being set up in parallel in revolving on the sieve assembly along screen 2 along the mode of main shaft 9a radiai adjustment, described arc sieve 2a two ends are fixedly connected with holder sieve plate 16, can ask the position of sieve plate to regulate the diameter of screen by variation according to the material type that will pulverize, obtain the hammer sieve gap that is fit to.
In the present embodiment, be disposed radially kidney-shaped adjustment hole 4a on described outside plate 4, holder sieve plate 16 is fixedly connected with outside plate 4 by the screw that passes kidney-shaped adjustment hole 4a, adjust the position of holder sieve plate by changing the position of screw in the kidney-shaped adjustment hole, simple in structure, easy to adjust, and can realize the stepless-adjustment gap.
in the present embodiment, described arc sieve 2a edge correspondence is provided with the pressure screen device, press screen device to comprise flexible steel band 17, snap close 19 and hook 20, snap close 19 and hook 20 are fixedly installed on respectively the two ends of flexible steel band 17, article two, press screen device to make arc sieve 2a compress the compacting ring of holder sieve plate 16 by snap close 19 and hook 20 end to end formation, compare with the existing screening mechanism of pressing, flexible steel band low cost of manufacture, and by snap close tensioning flexible steel band, the arc sieve is pressed on the holder sieve plate, easy to operate, change sieve quick, snap close can be directly from buying on the market, be easy to obtain, and cheap.
In the present embodiment, the dual-side that described hammer leaf 10 is positioned at circumferencial direction all arranges cutting edge, regardless of the motor rotation direction, all can realize material is effectively pulverized.
In the present embodiment, described main shaft 9a is horizontally disposed with, described screen 2 is the tubular construction of both ends open, and the described sieve assembly that revolves comprises two blower fans that are symmetricly set in screen 2 two ends, and described charging aperture 1a is communicated with the material inlet 6 of two blower fans respectively, form horizontal pulverizer, after material entered housing from charging aperture, the material inlet of freely falling body to two blower fan, blower fan made material from screen cloth 360 °, two ends feed, farthest improve crush efficiency, be suitable for the larger situation of crushing quantity.
In the present embodiment, be fixedly connected with between the outside plate 4 of described two blower fans coupling bar 15 is set, can effectively increase the strength and stiffness that revolve the sieve assembly, make the equipment operation more stable.
Main shaft 9a is except level arranges, also can vertically arrange, as shown in Figure 4, described screen 2 one ends arrange end sieve 18, the other end is fixedly connected with outside plate 4 and jointly surrounds crushing material chamber 7 with inner panel 3, outside plate 4, form vertical crusher, material can directly enter material inlet under Action of Gravity Field, under the effect of centrifugal force and air-flow, enter the crushing material chamber from 360 ° of directions, the screen bottom is adopted end sieve and reduces by a blower fan, can reduce the input cost of equipment, also increase simultaneously the area of filter screen, be conducive to discharge.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.

Claims (9)

1. the beater disintegrating machine of a built-in feeding fan and rotary screen is characterized in that: comprise housing (1), drive unit, be arranged at and revolve sieve assembly and rotor assembly in housing (1), the described sieve assembly that revolves comprises blower fan and tubular screen (2), described blower fan comprises circular inner panel (3) and the circular outside plate (4) that is arranged in parallel, described inner panel (3) is being rotatably assorted around mode and the housing (1) that himself axis rotates, inner panel (3) and outside plate (4) are by being arranged between the two and being fixedly connected with along the blade of the rotating shaft radial radiation of inner panel (3), outside plate (4) middle part arranges material inlet (6), described screen (2) one ends be fixedly connected on outside plate (4) upper near inner panel (3) a side and with inner panel (3), outside plate (4) surrounds crushing material chamber (7) jointly, form the material channel (8) that is communicated with material inlet (6) and crushing material chamber (7) between adjacent blades, described rotor assembly is arranged in crushing material chamber (7), comprise the hammer frame plate (9) that is rotatably assorted by main shaft (9a) and housing (1) and circumferentially be set up in parallel hammer slice axis on hammer frame plate (9) along main shaft (9a) removably, with the mode of being rotatably assorted overcoat arranged side by side, hammer leaf (10) is arranged on described hammer slice axis, described drive unit transmission coordinates inner panel (3) and main shaft (9a), described drive unit comprises motor (11) and planet wheel decelerator, the rotating shaft of described motor (11) and main shaft (9a) are along the circumferential secure fit of main shaft (9a), planet wheel decelerator comprise the driving gear (12) that is fixedly installed on main shaft (9a) and with the reduction case (13) of the coaxial setting of driving gear (12), driving gear (12) is positioned at reduction case (13), ring gear (13a) is set on reduction case (13), mesh simultaneously with driving gear (12) and ring gear (13a) and be provided with planetary gear (14), described reduction case (13) is fixedly connected with inner panel (3), the charging aperture (1a) and the air inlet (1b) that are communicated with material inlet (6) are set on described housing (1).
2. the beater disintegrating machine of built-in feeding fan according to claim 1 and rotary screen, is characterized in that: described reduction case (13) and inner panel (3) eccentric setting.
3. the beater disintegrating machine of built-in feeding fan according to claim 2 and rotary screen, it is characterized in that: described screen (2) comprises two arc sieves (2a) that are oppositely arranged, the described sieve assembly that revolves also comprises the arc holder sieve plate (16) that sieves the gap for governor weight, holder sieve plate (16) to be can circumferentially be set up in parallel along the mode of main shaft (9a) radiai adjustment along screen (2) in revolving on the sieve assembly, and described arc sieve (2a) two ends are fixedly connected with holder sieve plate (16).
4. the beater disintegrating machine of built-in feeding fan according to claim 3 and rotary screen, it is characterized in that: be disposed radially kidney-shaped adjustment hole (4a) on described outside plate (4), holder sieve plate (16) is fixedly connected with outside plate (4) by the screw that passes kidney-shaped adjustment hole (4a).
5. the beater disintegrating machine of built-in feeding fan according to claim 4 and rotary screen, it is characterized in that: described arc sieve (2a) edge correspondence is provided with the pressure screen device, press screen device to comprise flexible steel band (17), snap close (19) and hook (20), snap close (19) and hook (20) are fixedly installed on respectively the two ends of flexible steel band (17), press screen device to make arc sieve (2a) compress the compacting ring of holder sieve plate (16) by snap close (19) and hook (20) end to end formation for two.
6. the beater disintegrating machine of built-in feeding fan according to claim 5 and rotary screen, it is characterized in that: the dual-side that described hammer leaf (10) is positioned at the circumferencial direction of described main shaft (9a) all arranges cutting edge.
7. the beater disintegrating machine of built-in feeding fan according to claim 6 and rotary screen, it is characterized in that: described main shaft (9a) is horizontally disposed with, described screen (2) is the tubular construction of both ends open, the described sieve assembly that revolves comprises two blower fans that are symmetricly set in screen (2) two ends, and described charging aperture (1a) is communicated with the material inlet (6) of two blower fans respectively.
8. the beater disintegrating machine of built-in feeding fan according to claim 7 and rotary screen, is characterized in that: be fixedly connected with between the outside plate of described two blower fans (4) coupling bar (15) is set.
9. the beater disintegrating machine of built-in feeding fan according to claim 6 and rotary screen is characterized in that: described main shaft (9a) vertically arranges, and described screen (2) one ends arrange end sieve (18).
CN 201010124444 2010-03-15 2010-03-15 Hammer type crusher internally provided with feeding fan and rotary screen Expired - Fee Related CN101816969B (en)

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Application Number Priority Date Filing Date Title
CN 201010124444 CN101816969B (en) 2010-03-15 2010-03-15 Hammer type crusher internally provided with feeding fan and rotary screen

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Application Number Priority Date Filing Date Title
CN 201010124444 CN101816969B (en) 2010-03-15 2010-03-15 Hammer type crusher internally provided with feeding fan and rotary screen

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CN101816969A CN101816969A (en) 2010-09-01
CN101816969B true CN101816969B (en) 2013-06-05

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102357389A (en) * 2011-10-30 2012-02-22 西北农林科技大学 Fertilizer crusher
CN103947394A (en) * 2014-04-22 2014-07-30 广西大学 Planetary-gear accelerated-type straw-pulverizer device
CN107694931A (en) * 2017-09-30 2018-02-16 安徽誉秀农业科技有限公司 A kind of cereal automatic charging pneumatic separator
CN111437907A (en) * 2020-04-24 2020-07-24 江西骏图实业有限公司 Adopt different crushing treatment to retrieve recycling apparatus according to building rubbish kind

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Publication number Priority date Publication date Assignee Title
CN2331423Y (en) * 1998-07-14 1999-08-04 福建省古田县教学器材厂 Cuttings and grinding two-purpose machine for plant material
CN2657772Y (en) * 2003-09-11 2004-11-24 蔡文清 Radial feeding grinder
CN200957361Y (en) * 2006-09-06 2007-10-10 江苏牧羊集团有限公司 Crusher with hammer-screen gap adjusting
CN101099939A (en) * 2007-08-01 2008-01-09 江苏牧羊集团有限公司 Axial type hammer blade grinder
CN201410400Y (en) * 2009-06-12 2010-02-24 江苏牧羊集团有限公司 Pulse pulverizing machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201659002U (en) * 2010-03-15 2010-12-01 黄元庆 Hammer mill with built-in feeding fan and rotating screen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2331423Y (en) * 1998-07-14 1999-08-04 福建省古田县教学器材厂 Cuttings and grinding two-purpose machine for plant material
CN2657772Y (en) * 2003-09-11 2004-11-24 蔡文清 Radial feeding grinder
CN200957361Y (en) * 2006-09-06 2007-10-10 江苏牧羊集团有限公司 Crusher with hammer-screen gap adjusting
CN101099939A (en) * 2007-08-01 2008-01-09 江苏牧羊集团有限公司 Axial type hammer blade grinder
CN201410400Y (en) * 2009-06-12 2010-02-24 江苏牧羊集团有限公司 Pulse pulverizing machine

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