CN205628223U

CN205628223U - Pulverizer

Info

Publication number: CN205628223U
Application number: CN201620436529.2U
Authority: CN
Inventors: 苏继忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-15
Filing date: 2016-05-15
Publication date: 2016-10-12
Anticipated expiration: 2026-05-15

Abstract

The utility model provides a pulverizer, including crushing structure and two drive arrangement, crushing structure includes casing, two impellers, the reverse installation two guides body and the two wind -guiding portions in the casing, and two impellers are installed at two guides internally respectively, the two guides body is the intercommunication each other to correspond the second guide rail that two impellers set up first guide rail and were connected with first guide rail minimum respectively, the second guide rail is located the below of corresponding impeller, the feeding supply -air outlet of transported substance material is just being seted up respectively to the casing to the center of two impellers, the discharge gate with two second guide rails intercommunication is seted up at the top, and two wind -guidings part quantity such as other is installed on the two guides body, two drive arrangement install on the casing to connect two impellers respectively, be used for driving two impellers and rotate the high -pressure wind -force of production with the same velocity reversal, thereby it follows rail movements formation stock column respectively to drive the material, two stock columns collide behind second guide rail move respectively, and the powder that produces after the internal high -pressure wind -force of guide collides via the wind -guiding inferior officer blows out the discharge gate.

Description

A kind of pulverizer

[technical field]

This utility model relates to pulverizer, particularly to a kind of Clash disintegrating machine.

[background technology]

The grinding mode of powder body processing industry has extruding pulverizing, impact comminution, fricting shearing pulverize and cleave pulverizing etc. at present, this Several grinding modes are all by pulverizing object under External Force Acting, make crushed object that broken disintegration to occur thus reach the purpose pulverized, Through repeatedly applying external force, make constantly broken, the division of crushed object thus reach the process of certain fineness (mesh number). The comminuting matter mode of the most existing powder body processing, on the one hand External Force Acting pass through, still further aspect needs are by the Two mediums, as grinding tool, abrasive material act on crushed object, but once to reach certain pulverizing thin when these disintegrating process Degree (such as ring roll flour mill is to 2500 mesh), thinks that the difficulty further improving powder fineness is very big, adds this flouring technology Energy consumption high, production efficiency low (such as certain model ring roll flour mill produces the product of 2500 mesh fineness, and its general power is 170kw, Yield is 0.75 ton/time about, power consumption reaches 220kwh/ ton).Therefore, existing powder body processing technique and equipment can not be expired completely Foot modern industry is to micropowder, the demand of micropowders, and structure complexity also energy consumption is high.

[utility model content]

In view of the foregoing, it is necessary to a kind of pulverizer is provided, this pulverizer can by crushing material to micropowder or micropowders, And this mill structure is simple and energy-efficient.

For reaching above-mentioned purpose, this utility model be the technical scheme is that a kind of pulverizer, and described pulverizer includes powder Broken structure and two driving means, described pulverizing structure includes housing, two impellers, two guide bodies and at least two air dams, described Two impellers are separately mounted in described two guide bodies；Described two guide bodies are reversibly mounted in described housing, and are interconnected, Described two the most corresponding described two impellers of guide body are provided with the first guide rail and the second guide rail being connected with the first guide rail；Described in two One guide rail, two second guide rails and two impellers have identical mirror image face, and described first guide rail is being parallel to the impeller rotary flat of correspondence Mask has the first cross section, and corresponding impeller has the second cross section, the radius of described first cross section being parallel to Plane of rotation More than the second cross sectional radius, and the center superposition of the center of described first cross section and described second cross section, described second Guide rail is positioned at the lower section of the impeller of correspondence；Described housing is just offering the charging of conveying material respectively and is sending the center of described two impellers Air port, top offers two discharging openings connected with the second guide rail described in two, and the described at least two air dams quantity such as respectively is arranged on On described two guide bodies, and it is distributed in side or the opposite sides of the second guide rail of correspondence；Described two driving means are arranged on described On housing, and connect described two impellers respectively, produce high pressure wind-force in order to drive described two impellers to rotate with identical velocity reversal, Thus drive material to move formation stock column along the first guide rail respectively, and stock column described in two touches respectively after the second guide rail move toward one another Hitting, the powder body that material collision rift is produced by the high pressure wind-force in described two guide bodies via air dam blows out described two discharging openings.

Further, described first guide rail is semicircle at the cross section being parallel to described impeller Plane of rotation.

Further, on the same line, and described straight line is perpendicular to described mirror image face to the second guide rail described in two.

Further, the minimum point of described first guide rail is connected with the second guide rail.

Further, the minimum point of described first guide rail and the line of peak pass the central point of described second cross section, and Vertical with described straight line.

Further, each driving means includes main shaft, bearing housing, shaft coupling and frequency-conversion and speed-regulation motor.

Further, the size and dimension of described two impellers is identical.

Further, described two discharging openings are symmetrical about described mirror image face.

This utility model has the advantages that

1. this utility model material mutually clashes and produces the effect pulverized, and reaches certain fineness (mesh number), and this pulverizer is permissible The crushing effect making material reaches 325-12000 mesh, and production efficiency reaches 10-120 ton (calculating by 2500 mesh) per hour, very To higher, energy consumption is 30kwh/ ton-73Kwh/ ton per ton.

2. this utility model utilizes changes mechanical energy to become kinetic energy simple.

3. this utility model utilizes centrifugal intertia force control material to pulverize by the requirement set, and then can obtain different-grain diameter Milling product.

[accompanying drawing explanation]

Fig. 1 is a profile of a better embodiment of this utility model pulverizer.

Fig. 2 is the profile pulverizing structure in Fig. 1.

Main element symbol description

Following detailed description of the invention will further illustrate this utility model in conjunction with above-mentioned accompanying drawing.

[detailed description of the invention]

Referring to Fig. 1, in a better embodiment of the present utility model, a pulverizer 100 includes two device for transporting objects 10 (only showing one in figure), pulverizing structure 20 and two driving means 40 (only showing in figure), it is preferable that described Pulverizer 100 is in order to the material of powder particle diameter≤3mm.

Described two device for transporting objects 10 are installed in parallel in the side of described pulverizing structure 20, and include a conveyer belt (figure respectively Do not show), weighing hopper 11 and a feed pipe 12, material is delivered to described weighing hopper 11, described weighing hopper 11 by described conveyer belt By described feed pipe 12, the material weighed delivered to described pulverizing structure 20 after weighing the material of predetermined amount.

Please also refer to Fig. 2, described pulverizing structure 20 includes housing 21, two impeller 22, a two guide body 23 and at least two Air dam 24.Described two impellers 22 are separately mounted in described two guide bodies 23, and described two guide bodies 23 are reversibly mounted on institute Stating in housing 21, and be interconnected, further, described two the most corresponding described two impellers 22 of guide body 23 are provided with one One guide rail 231 and second guide rail 232 being connected with the first guide rail 231, described second guide rail 232 is positioned at corresponding impeller 22 Lower section.In the present embodiment, described two impellers 22 are of the same size and shape, described second guide rail 232 and described the The minimum point of one guide rail 231 connects.

Preferably, described in two, the first guide rail 231, two second guide rail 232 and two impellers 22 have identical mirror image face 235；Institute State the first guide rail 231, at the impeller 22 Plane of rotation (A or B) being parallel to correspondence, there is the first cross section, corresponding impeller 22 Having the second cross section being parallel to Plane of rotation, the radius of described first cross section is more than the second cross sectional radius, and described The center of the first cross section and the first guide rail 231 described in the center superposition of described second cross section rotate being parallel to described impeller 22 The cross section of plane is semicircle, and on the same line, and this straight line is perpendicular to described mirror image face to the second guide rail 232 described in two 235, it addition, the line of the minimum point of described first guide rail 231 and peak is through the central point of the second cross section, and with institute State straight line vertical.

Please continue to refer to Fig. 1 and Fig. 2, in the present embodiment, the most corresponding described two impellers 22 of described two guide bodies 23 are also Being provided with a baffle plate 233, described baffle plate 233 connects the peak of the first guide rail 231 of correspondence, and leads with corresponding first Rail 231 forms the profile with circular cross section together, in order to prevent the powder body after pulverizing to be again sucked into impeller 22.

Described housing 21 just center to described two impellers 22 offers the charging air outlet 211 of a conveying material, top respectively Offer at least one discharging opening 212 connected with the second track 232 described in two, in the present embodiment, the top of described housing 21 Portion offers two discharging openings 212 connected with the second guide rail 232 described in two, and described two discharging openings 212 are positioned at described in two second leads The top of rail 232 junction, and symmetrical about described mirror image face 235.

Described at least two air dams 24 quantity such as respectively is arranged on described two guide bodies 23, and is distributed in the second guide rail 232 Side or opposite sides, in the present embodiment, described at least two air dams 24 are four, and described in four, air dam 24 is pacified respectively It is contained on described two guide bodies 23, and is positioned at the both sides of each second guide rail 232.Each air dam 24 offers one with it even The entrance 241 of guide body 23 connection connect and the outlet 242 of a connected guide body 23 connection.In described guide body 23 The distinguished and admirable entrance 241 via two air dams 24 thereon enter described two air dams 24 after, then via described outlet 242 row Go out air dam 24.

Each driving means 40 includes main shaft 41, bearing housing 42, shaft coupling 43 and a frequency-conversion and speed-regulation motor 44. Described main shaft 41 is arranged in described bearing housing 42, and connects the impeller 22 of correspondence, and described shaft coupling 43 connects described master Axle 41 and described frequency-conversion and speed-regulation motor 44, described frequency-conversion and speed-regulation motor 44 drives described shaft coupling 43 to rotate, described Axial organ 43 rotates thus drives described main shaft 41 to rotate, and then drives corresponding impeller 22 to rotate, and can adjust by adjusting frequency conversion Electric motor with speed 44 and then the rotating speed of the corresponding impeller 40 of adjustment, it is hereby achieved that the milling product of different-grain diameter.

In of the present utility model one preferable working method, described two driving means 40 drive described two impellers 22 with identical respectively Velocity reversal's high-speed rotation, the most described two device for transporting objects 10 material of equivalent is delivered to the most simultaneously correspondence impeller 22, As indicated by C in Fig. 2, running up of described impeller 22 produces powerful centrifugal intertia force, thus drives material respectively along the One guide rail 231 forms laminar flow stock column from bottom to up by carse, medium and small, and two stock columns are respectively along violent after the second guide rail 232 move toward one another Strong collision, thus destroy the physical arrangement of head-on collision material, and then reach to make the effect of crushing material, it addition, such as D institute in Fig. 2 Instruction, the powder that the high pressure wind-force in described two guide bodies 23 produces after being clashed by material via described at least two air dams 24 respectively Body blows out described discharging opening 212.

In another embodiment of the present utility model, described pulverizer 100 also includes a powder concentrator, a powder body collection device And a coarse powder return mechanism, qualified powder body from the powder body of described discharging opening 212 blowout, is delivered to by described powder concentrator for screening Described powder body collection device, underproof powder body delivers to described coarse powder return mechanism, described coarse powder return mechanism by underproof slightly Powder is again delivered to described pulverizing structure 20 via described device for transporting objects 10 and is continued to pulverize.Such as, described powder concentrator can be Two stage cyclone turbine winnowing powder grader, described powder body collection device can be air box impulse bag-type dust-precipitator, and powder body is introduced into One cyclonic turbine winnowing powder grader carries out classification to Nanoparticle, and underproof thicker granule is sent back to through material-returning device Pulverize again after raw material cabin；Qualified particulate enters two grades of further classifications of whirlwind turbine classifier (by arranging venturi blast pipe Improve import wind speed or improve secondary speed realization), or (employing acupuncture terylene felt is also to be directly entered air box impulse bag-type dust-precipitator Overlay film, the dust concentration of its import reaches 1300 grams/m³) receive as product, packaged after dispatch from the factory.

This utility model has the advantages that

1, using changes mechanical energy to become kinetic energy simple, energy consumption is minimum.

2, by control impeller rotating speed so that control centrifugal intertia force thus control material by set requirement pulverize, can Obtain the milling product of different-grain diameter.

3, fine particle can form carse, medium and small grain fluid layer stock column at rail base, improves laminar flow stock column cross section grain density, Make large, medium and small granule clash respectively, improve head-on collision crush efficiency, reach energy-conservation purpose.

Described above is the detailed description for the preferable possible embodiments of this utility model, but embodiment is not limited to this practicality Novel patent claim, the equal change completed under the technical spirit suggested by all this utility model or modification change, all The contained the scope of the claims of this utility model should be belonged to.

Claims

1. a pulverizer, it is characterised in that: described pulverizer includes pulverizing structure and two driving means, described pulverizing structure Including housing, two impellers, two guide bodies and at least two air dams, described two impellers are separately mounted in described two guide bodies； Described two guide bodies are reversibly mounted in described housing, and are interconnected, and described two the most corresponding described two impellers of guide body set It is equipped with the first guide rail and the second guide rail being connected with the first guide rail；Described in two, the first guide rail, two second guide rails and two impellers have phase Same mirror image face, described first guide rail has the first cross section at the impeller Plane of rotation being parallel to correspondence, and corresponding impeller is flat Row has the second cross section in Plane of rotation, and the radius of described first cross section is more than described second cross sectional radius, and described The center of the first cross section and the center superposition of described second cross section, described second guide rail is positioned at the lower section of the impeller of correspondence；

Described housing is just offering the charging air outlet of conveying material respectively to the center of described two impellers, top offer with described in two Two discharging openings of the second guide rail connection, the described at least two air dams quantity such as respectively is arranged on described two guide bodies, and is distributed in The side of the second corresponding guide rail or opposite sides；Described two driving means are installed on the housing, and connect described two respectively Impeller, produces high pressure wind-force in order to drive described two impellers to rotate with identical velocity reversal, thus drives material respectively along first Guide rail motion forms stock column, and stock column described in two collides respectively after the second guide rail move toward one another, the height in described two guide bodies The powder body that material collision rift is produced by pressure wind-force respectively via described at least two air dams blows out described two discharging openings.

2. pulverizer as claimed in claim 1, it is characterised in that: described first guide rail is being parallel to the impeller rotary flat of correspondence The cross section in face is semicircle.

3. pulverizer as claimed in claim 1 or 2, it is characterised in that: the second guide rail described in two on the same line, and Described straight line is perpendicular to described mirror image face.

4. pulverizer as claimed in claim 3, it is characterised in that: the minimum point of described first guide rail is connected with the second guide rail.

5. pulverizer as claimed in claim 4, it is characterised in that: the described minimum point of the first guide rail and the line of peak are worn Cross the central point of described second cross section, and vertical with described straight line.

6. pulverizer as claimed in claim 4, it is characterised in that: each driving means includes main shaft, bearing housing, shaft coupling Device and frequency-conversion and speed-regulation motor.

7. pulverizer as claimed in claim 4, it is characterised in that: the size and dimension of described two impellers is identical.

8. pulverizer as claimed in claim 4, it is characterised in that: described two discharging openings are symmetrical about described mirror image face.