CN1938095A - Crushing and classifying device - Google Patents
Crushing and classifying device Download PDFInfo
- Publication number
- CN1938095A CN1938095A CNA2005800108496A CN200580010849A CN1938095A CN 1938095 A CN1938095 A CN 1938095A CN A2005800108496 A CNA2005800108496 A CN A2005800108496A CN 200580010849 A CN200580010849 A CN 200580010849A CN 1938095 A CN1938095 A CN 1938095A
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- Prior art keywords
- pulverizing
- housing
- grading plant
- rotor
- classification
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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
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
- B02C19/0018—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain) using a rotor accelerating the materials centrifugally against a circumferential breaking surface
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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
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
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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
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
- B02C13/1807—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor the material to be crushed being thrown against an anvil or impact plate
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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
- B02C13/30—Driving mechanisms
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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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
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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
- B02C2013/28681—Feed distributor plate for vertical mill
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
A crushing and classifying device has a rotor (14) for crushing an object to be processed by projecting it by a centrifugal force to a collision section installed in a housing and has a classifying tube (8) connected to a side wall of the housing (4) and discharging fine powder together with a rotating flow produced in the housing (4) by the rotation of the rotor (14). In a horizontal plane passing through an intersecting point P1 between the tube axis of the classifying tube (8) and the inner surface of the connection section of the side wall, theta1 is set in a range of 30 - 90 , with theta1 being an angle that a straight line m passing through the rotation axis center O1 of the rotor (14) and through the intersecting point P1 forms at P1 with the tube axis of the classifying tube (8).
Description
Technical field
The present invention relates to a kind of pulverizing and grading plant, be used to pulverize solid block (for example rock or ore), and classification is pulverized relative tiny powder in the object with discharge as wanting handled object.
Background technology
Pulverized or ground so that when producing gravel or rubble when object to be processed (for example rock or ore), will be produced fine powder inevitably.Too high fine powder content may make that product is sub-standard.Therefore, remove fine powder the object making to pulverize from this after pulverizing object.If can when object is pulverized or ground, fine powder be removed, so just can omit and be used for from pulverizing device or the processing that object is removed fine powder, and can reduce the load of the device that is used to remove fine powder, thereby increase productivity ratio and make simplified equipment.
For example, disclose a kind of pulverizer in Japanese unexamined patent open source literature No.57-7264 (patent documentation 1), this pulverizer is removed fine powder with pulverizing object to be processed.This pulverizer comprises rotor, this rotor arrangements is on the top of housing, be used for coming impelling to go out object to be processed by centrifugal force, this pulverizer make object be arranged in repulsion parts on the housing inboard and bump against and pulverize this object, use the impactor that is arranged in rotor exterior to pulverize this then by the object of repulsion this pulverizing object maybe.In addition, this pulverizer has cylindrical body, is used to collect fine powder, this cylindrical body be arranged in the housing and and rotor coaxial, and at its upper opening.This cylindrical body is isolated the fine powder that is contained in the pulverizing object by carried this fine powder by the air-flow that blows to the cylindrical body upper opening, and discharges this fine powder by the intake guide that is connected with the bottom of cylindrical body.
In addition, in Japanese unexamined patent open source literature No.2000-189822 (patent documentation 2) another kind of pulverizer is disclosed.This pulverizer has rotor, this rotor arrangements is on the top of housing, be used for coming impelling to go out object to be processed by centrifugal force, this pulverizer makes the object that goes out from the rotor impelling hit on the quiescent bed that is arranged in the housing inboard (the accumulation parts of accumulation pulverizing object etc.), and object is pulverized, and aspirate and be contained in the fine powder of pulverizing in the object by being arranged in suction hood that the housing central part tells, suck and discharge this fine powder then by suction tube.Explanation in these pulverizers, is used to suck and discharge the intake guide of fine powder and suction tube is connected to housing perpendicular to the rotor center axis sidewall in passing.
Patent documentation 1: Japanese unexamined patent open source literature No.57-7264
Patent documentation 2: Japanese unexamined patent open source literature No.2000-189822
But, according to disclosed pulverizer in these patent documentations, near the fine powder that spirals the housing sidewall inner surface or along this inner surface is difficult to collect by the upper opening and the suction hood of cylindrical body, therefore, and to the discharge of fine powder with to remove be inadequate.Particularly, because the flow velocity of the air-flow that spirals is very fast, and the amount of fine powder increases near the inner surface of housing, so the classification of fine powder and discharge efficient and bad.And even the flow velocity of the air-flow that spirals in the housing increases, this fine powder is also only along with the air-flow that spirals spirals near shell inner surface and along this inner surface, and the classification of fine powder and discharge do not have too many enhancing.
In order to address the above problem, the purpose of this invention is to provide a kind of pulverizing and grading plant, it has simple structure, and has good classification and discharge efficient for fine powder.
Summary of the invention
Pulverizing of the present invention and grading plant are pulverizing and the grading plants that is used to pulverize impelling object to be processed, promptly obtain to pulverize object by making untreated object knock the collision part, and the fine powder of classification and discharge pulverizing object, this device comprises: housing, this housing has supply port and outlet, and this supply port is arranged in the top of housing, is used to supply with object, this outlet is arranged in lower part of frame, is used to discharge this pulverizing object; Rotor, this rotor arrangements be on the top of housing, and the object impelling that is used for by centrifugal force supplying with from supply port is to this collision part that is arranged in housing; And the classification pipe, this classification pipe is connected with the sidewall of housing, is used to make fine powder to discharge with the air-flow that spirals, and this air-flow that spirals is that the rotation owing to rotor results from the housing; Wherein, in and plane through a crosspoint vertical with the rotation of rotor, θ 1 is arranged in 30 ° to 90 ° scope, wherein, this crosspoint is the infall of the tubular axis line of the connection inner surface that is connected with the classification pipe of this sidewall and classification pipe, and θ 1 expression is through this crosspoint and the angle that forms at the tubular axis line of this place, crosspoint and classification pipe through the line of this rotation.
By pulverizing of the present invention and grading plant, be included in that from rotor impelling is come out and the pulverizing object pulverized by collision in fine powder with because rotor rotation and the air-flow that spirals that produces in housing is discharged.On the other hand, the heavier relatively pulverizing object that can not be transmitted by the air-flow that spirals is because gravity and spiral descends, and discharges from the outlet of housing.At this moment, for example as shown in Figure 2, because the classification pipe is connected with the sidewall of housing with angle θ 1, therefore the air-flow that spirals that spirals along the inner surface of housing can have and is essentially 0.5 times (when θ 1=30 °) or higher velocity component towards the tubular axis line with respect to full flow velocity, and the air-flow that spirals on the position away from this inner surface can have bigger velocity component.Therefore, the fine powder that spirals with the air-flow that spirals enters the classification pipe fast, discharges then.In addition, when the flow velocity of the air-flow that spirals increases, increase along the velocity component of the tube axis direction of classification pipe.Therefore, by the spiral flow velocity of air-flow of increase, the classification and the discharge that can improve fine powder accordingly with the increase of flow velocity.And it only need be installed in the classification pipe on the housing, makes the tube axis direction of classification pipe near the tangential direction of the air-flow that spirals.Therefore, this structure can be very simple.
Description of drawings
Fig. 1 is the sectional side elevation of the major part of the expression pulverizing of first embodiment and grading plant.
Fig. 2 is the cutaway view along the line A-A among Fig. 1.
Fig. 3 is the anti-perspective view that flows into the example of parts of expression.
Fig. 4 is the anti-perspective view that flows into another example of parts of expression.
Fig. 5 is the sectional side elevation of the major part of the expression pulverizing of second embodiment and grading plant.
Fig. 6 is the cross-sectional figure of major part of the connecting portion of the crooked classification pipe of expression.
Fig. 7 is the schematic diagram that expression is used for the example of pulverizing that gravel produces and grading plant, be used for producing gravel or rubble by pulverizing object to be processed (for example raw material rock), this device has pulverizing and grading plant and grading plant, and this grading plant carries out further classification by airflow screening to pulverizing object.
Fig. 8 is the schematic diagram that expression is used for another example of pulverizing that gravel produces and grading plant, be used for producing gravel or rubble by pulverizing object to be processed (for example raw material rock), this device has pulverizing and grading plant and grading plant, and this grading plant carries out further classification by the screen cloth screening to pulverizing object.
Fig. 9 is the schematic diagram that expression is used for the example of pulverizing that gravel produces and grading plant, this device by return line make from grading plant, discharge with screen cloth screening and particle diameter be back to greater than the pulverizing object of predetermined diameter and pulverize and grading plant, and produce as product gravel and the fine powder of pulverizing object.
The specific embodiment
In pulverizing of the present invention and grading plant, it is 90 ° or more hour, then θ 1 is preferably bigger at θ 1.θ 1 is arranged on make in 60 ° to 90 ° the scope and can be (√ 3) at least/2 times (when θ 1=60 °), thereby further improved classification and discharged efficient along the velocity component of the tube axis direction of classification pipe.In addition, be the cylindrical shape of center on the rotation of rotor because have the housing sidewall of classification pipe, the air-flow that therefore spirals hardly can multilated, thereby has improved classification and discharged efficient.In addition, because pump unit (for example air exhauster, exhauster(-tor etc.) is arranged in the downstream of classification pipe, the air-flow that therefore spirals can be attracted to the classification pipe, thereby has improved the discharge of fine powder.
In addition,, be used for extraneous air is introduced housing, therefore can increase the air-flow that spirals because at least one extraneous air inlet tube is arranged on the housing.In addition, in and plane through crosspoint vertical (this crosspoint is meant the infall of the tubular axis line that is connected inner surface and extraneous air inlet tube that is connected with the extraneous air inlet tube of sidewall) with rotation, θ 2 is arranged in 30 ° to 90 ° scope, preferably in 60 ° to 90 ° scope, θ 2 represents the angle of the line of these crosspoints of process and process rotation in the tubular axis line formation of place, crosspoint and extraneous air inlet tube.Therefore, the air-flow in the introducing housing can be upset the air-flow that spirals in the housing hardly, thereby has further improved classification and discharged efficient.In addition, because blasting unit (for example air blast, blower fan etc.) is arranged in the upstream of extraneous air inlet tube, so air can smoothly send in the housing, thereby increased the discharge of spiraling air-flow and having improved fine powder.
In addition, because the flow speed controller that is used to be controlled at housing mid-game rotational gas flow flow velocity is provided, therefore can control the particle diameter (classification point) of the fine powder that transmits by the air-flow that spirals at an easy rate.In addition, enter the anti-inflow arrangements of components of classification pipe import from the top at housing because be used for preventing to pulverize object, therefore can prevent to have larger-diameter pulverizing object (this pulverizing object can not transmit by the air-flow that spirals) and enter and be deposited in the import department of classification pipe from the top, thereby effective classification is provided.
In addition, because this rotor provides the collision parts, be used for colliding and pulverize the pulverizing object of wanting handled object and bounce-back that goes out from the rotor impelling, therefore can increase crush efficiency, and the crushed material body can form particle at an easy rate, thereby is applicable to the device that carries out gravel production.In addition,, therefore, want handled object, just can constantly produce the pulverizing object that has uniform grading by pulverizing this because the grading plant that the pulverizing object of discharging from the outlet of housing is carried out further classification is provided.Particularly, use with rotor, the process units of the gravel with good productivity can be provided with impact part by making this grading plant.
To introduce embodiments of the invention below.
Embodiment 1
Fig. 1 and 2 has represented pulverizing and the grading plant of first embodiment respectively.This pulverizing and grading plant are used for the gravel production equipment, so that pulverize object to be processed (for example raw material rock), and produce gravel or rubble.Though Fig. 2 is the sectional side elevation along the line A-A among Fig. 1, also represented air exhauster 30 and air blast 31 (back will be introduced) among Fig. 2, so that represent their link position, but these blower fans are also not shown in Fig. 1.This pulverizing and grading plant comprise: upper body 1, and this upper body 1 has supply port 2 in the office, upper end, and this supply port 2 is used to supply with object, and the inner space of upper body 1 is as pulverizing chamber 3; And lower case 4, this lower case 4 be connected coaxially upper body 1 below, and have outlet 5 in the office, bottom, and this outlet 5 is used for discharging remaining pulverizing object after removing fine powder, and the inner space of lower case 4 is as classification chamber 6.Upper body 1 and lower case 4 are cylindricality.Being used for classification is connected with the sidewall of lower case 4 with the classification pipe 8 of discharging fine powder.A plurality of extraneous air inlet tubes 9 (being two pipes shown in the figure) are connected classification pipe 8 tops, are used for extraneous air is introduced lower case 4.In addition, skirt 10 (internal diameter of this skirt 10 reduces towards the bottom) is arranged in outlet 5 places of lower case 4.
In pulverizing chamber 3, rotor 14 is installed on the rotating shaft 15, and this rotor 14 has raw material charging aperture 12 and have impelling mouth 13 in sidewall at upper end, and this rotating shaft 15 is vertically rotatably installed.Pulley 16 is installed in the office, bottom of rotating shaft 15, this pulley 16 by be arranged between it and the motor (not shown) belt and with this motor interlock and be connected.The rotation of rotating shaft 15 makes rotor 14 rotation, and the raw material (wanting processed object) that are filled into rotor 14 are from the interior week of impelling mouth 13 impellings to upper body 1.Quiescent bed 21 is formed at the interior week place of upper body 1, and this quiescent bed 21 is assigned to as impact portions and the object that goes out from rotor 14 impellings collides, and like this, this quiescent bed collides this object and with its pulverizing.Obviously, this collision part can not be a quiescent bed 21, but other suitable collision parts can be provided, and comprises the impactor that is similar to chopping block.The rotation of rotor 14 can also produce the air-flow that spirals that spirals along the direction of rotation of rotor 14 in lower case 4.
Air exhauster 30 (Fig. 2) as pump unit is arranged in the downstream of classification pipe 8, and is arranged in the upstream of extraneous air inlet tube 9 as the air blast 31 (Fig. 2) of blasting unit.Carry out air blast can increase the air-flow that spirals that is produced in classification chamber 6 flow velocity with air blast 31, can promote fine powder to discharge with the air-flow that spirals and aspirate with air exhauster 30.In addition, because be provided with this skirt 10, can prevent that therefore air from passing through outlet 5 and flowing in the lower case 4, thereby prevent to reduce efficient by air exhauster 30 suctions and discharge fine powder at outlet 5 places of lower case 4.In addition, the flow speed controller (for example blower fan revolution controller) of flow velocity that is used for controlling the air-flow that spirals of housing is arranged in air exhauster 30 or the air blast 31, so that control suction air amount or blast air capacity.The corresponding flow velocity of just having controlled the air-flow that spirals, and controlled the particle diameter (classification point) that comes the fine powder of classification and transmission by the air-flow that spirals.Or also can select, can in classification pipe 8 or extraneous air inlet tube 9, be provided as the flow control valve of flow speed controller, so that control this classification point by the opening of control valve.
As shown in Figure 2, classification pipe 8 or extraneous air inlet tube 9 are configured to like this, that is, and and in through the horizontal plane of crosspoint P1 or P2 (perpendicular to the plane of the rotation of rotor), θ 1 or θ 2 are arranged in 30 ° to 90 ° scope, preferably in 60 ° to 90 ° scope; Wherein, at this crosspoint P1 or P2 place, the inner surface (the imaginary inner surface that is occurred during along the side wall inner surfaces closure when the connection opening of pipe and sidewall) that is connected of the sidewall of the tubular axis line of classification pipe 8 or extraneous air inlet tube 9 (axis of imaginaries that extends along the longitudinal direction of pipe) and lower case 4 intersects; θ 1 or θ 2 expression line m or n are in the angle of the tubular axis line formation of crosspoint P1 or P2 place and classification pipe 8 or extraneous air inlet tube 9, wherein, this line m or n be through the rotation O1 of rotor 14 (rotating shaft 15) or O2 and through crosspoint P1 or P2, this angle be meant in the sidewall outside of lower case the direction of spiraling along air-flow from line m or n towards the measured angle of tubular axis line.
In addition, anti-inflow plate 18 is arranged in the place, top of the connection opening of classification pipe 8, and be on the inside surface of side wall of lower case 4, so that stop and have larger-diameter pulverizing object the path that (these are pulverized objects and can not transmit by the air-flow that spirals) drops towards the import of classification pipe 8 from the top.Therefore, can prevent to have larger-diameter pulverizing object and enter classification pipe 8, and can prevent to pulverize object and be deposited near the import of classification pipe 8, thereby improve classification and discharged efficient.
Utilize pulverizing and the grading plant of above-mentioned first embodiment, object to be processed is supplied to the raw material charging aperture 12 of rotor 14 from the supply port 2 of upper body 1, this object to be processed by the centrifugal force that is produced by rotor 14 rotation radially impelling collide with quiescent bed 21 then and by its pulverizing to the outside of impelling mouth 13.When crushed material body drop following time, being contained in the air-flow that spirals that the fine powder pulverized in the object produces in the classification chamber 8 in lower case 4 when falling spirals, and it is outside to be expelled to this device by classification pipe 8 with the transmission air, in this classification pipe 8, import is formed in the sidewall of lower case 4.
With the fine powder classification with under the screw of---promptly can not pulverizing object (product pulverizing object)---of the pulverizing object after discharging, and be expelled to this device outside by the outlet 5 of lower case 4 by the residue that the air-flow that spirals transmits.
When the classification fine powder, because classification pipe 8 is arranged in 30 ° to 90 ° scope as mentioned above with respect to the joint angle θ 1 of the sidewall of lower case 4, preferably in 60 ° to 90 ° scope, therefore, the air-flow that spirals is 0.5 times of full flow velocity (when θ 1=30 a °) or higher along the velocity component of the tube axis direction of classification pipe 8 basically, thereby effectively fine powder is aspirated and is expelled in the classification pipe 8 with the air-flow that spirals.In addition, because extraneous air inlet tube 9 is arranged in 30 ° to 90 ° scope as mentioned above with respect to the joint angle θ 2 of the sidewall of lower case 4, preferably in 60 ° to 90 ° scope, therefore, the air-flow that spirals is 0.5 times of full flow velocity (when θ 2=30 a °) or higher along the velocity component of direction that is sent to the air-flow that spirals of classification chamber 6 from extraneous air inlet tube 9 basically, therefore increased the flow velocity of the air-flow that spirals, prevent from simultaneously to upset the air-flow that spirals, and strengthened the discharge of fine powder.
As mentioned above, only be attached to (being sprinkling upon) and pulverize seldom fine powder on the piece because the product of discharging from the outlet 5 of lower case 4 is pulverized object, so this product demonstrates good quality.Even when further removing fine powder, so also can reduce the load of the device that is used to remove fine powder.In addition, mainly be contained in the fine powder, therefore just reduced product and pulverized the water capacity of object, thereby prevented to stop up screen device or the grading plant that is arranged in the downstream, and reduced their load because be included in the moisture of wanting in the handled object.
Although according to first embodiment, two extraneous air inlet tubes 9 are arranged on the lower case 4 and are in the precalculated position and the angle place of this pulverizing and grading plant, but the link position of extraneous air inlet tube 9, number and closure can not be described in above-mentioned embodiment.In addition, although skirt 10 is arranged in the outlet 5 of lower case 4 and sentences and prevent that extraneous air from entering from below, and, be arranged to be used to prevent to have larger-diameter pulverizing object entered and be deposited in classification pipe 8 from the top import department as the anti-anti-inflow plate 18 that flows into parts, but these parts can provide as required, and their shape can not be as shown in FIG..
For example, as anti-another example that flows into parts, (perspective view of Fig. 3 shows the import of this classification pipe when the inside of lower case 4 is seen) as shown in Figure 3, the top arch section 18A of classification pipe 8 can extend out to classification chamber 6 inside, so that as the anti-plate that flows into.Perhaps also can select, as shown in Figure 4, the tube end 8A of classification pipe 8 can stretch out and become to make its import to be arranged in the classification chamber 6, so that as the anti-plate that flows into.
Introduce pulverizing and the grading plant of second embodiment below with reference to Fig. 5.Represent same parts with label identical among first embodiment, and omit explanation them.To mainly introduce different piece below.
In the pulverizing and grading plant of second embodiment, collision body 22 was arranged on the interior week of upper body 1; And a plurality of impactors 23 as impact part are arranged on the periphery of rotor 14 and do not cut out impelling mouth 13, and these a plurality of impactors 23 are used to impact and pulverize the pulverizing object of wanting handled object or bounce-back that goes out from the rotor impelling.By this structure, object that goes out from rotor 14 impellings by centrifugal force and collision body 22 bump against and by its pulverizing.And, by being subjected to being arranged in the impact of the impactor 23 on the rotor 14 and being pulverized with rebound pulverizing object to rotor 14 of collision body 22 collision.Therefore, this structure has good crush efficiency, and can at an easy rate object be ground into fine grained chippings.Therefore, this device is applicable to the gravel process units.
In addition, classification pipe 8 is connected with the sidewall of lower case 4, and this and first embodiment are similar.But, the tube end of the classification pipe 8 of second embodiment is tipping tube end 8B, and wherein, its tubular axis line is downward-sloping towards lower case 4.Therefore, the pulverizing object of directly jumping into 8 imports of classification pipe from the top will can not discharged downstream, and can fall into classification chamber 6 at 8B place, tipping tube end owing to its gravity, so that discharge from the outlet 5 of lower case 4.Long-term work like this, can't be deposited near the import of classification pipe 8, even therefore also can not be disturbed the suction and the discharge of fine powder because pulverize object.Therefore, classification efficiency can not reduce.
Although according to second embodiment, the coupling part of classification pipe 8 is tipping tube end 8B, and this coupling part can be level (promptly perpendicular to a rotation) with first embodiment similarly also.Perhaps also can select, the coupling part of the tube end of the classification pipe 8 of first embodiment can tilt.Obviously, in a second embodiment, the anti-parts (for example anti-inflow plate 18 of Fig. 1) that flow into can be arranged near the import of classification pipe 8.Perhaps also can select, in first embodiment, can on rotor 14, arrange this impactor 23.Can improve crush efficiency thus.In addition, classification pipe 8 is not necessary for straight tube.For example, as shown in Figure 6, in first or second embodiment, classification pipe 8 can be along the sidewalls flex of lower case 4.At this moment, θ 1 expression line m is in the angle of the tangent line formation of crosspoint P1 place and tubular axis line.Similarly, extraneous air inlet tube 9 also can be crooked.
In addition, in first or second embodiment, when the downstream in lower case 4 provides suitable grading plant, can provide the pulverizing object of various particle diameters, be preferred for therefrom in the gravel process units.This grading plant can be to be used for the mince known devices of body of fraction by screen cloth screening or airflow screening.For example, can use in Japanese unexamined patent open source literature No.2001-205197 disclosed sorter or in Japanese unexamined patent open source literature No.2002-254035 disclosed screening and grading plant.In addition, when the pulverizing object with predetermined particle diameter or bigger particle diameter was discharged from this grading plant, this pulverizing object can be back to this pulverizing and grading plant, like this, can be controlled to and had predetermined particle diameter pulverizing object.
Fig. 7 is that expression is used for a kind of pulverizing of gravel production and the schematic diagram of grading plant example, be used for wanting handled object (for example raw material rock) to produce gravel or rubble by pulverizing, this device has above-mentioned pulverizing and grading plant and a kind of grading plant 32, and this grading plant 32 comes the further classification of this pulverizing object by airflow screening.By being used for this pulverizing and the grading plant that gravel is produced, the pulverizing object with predetermined particle diameter or bigger particle diameter of discharging from grading plant 32 is back to this pulverizing and grading plant via return line 36, and product gravel 34 and fine powder 35 can provide as pulverizing object.
In addition, Fig. 8 is that expression is used for the pulverizing of gravel production and the schematic diagram of another example of grading plant, be used for wanting handled object (for example raw material rock) to produce gravel or rubble by pulverizing, this device has above-mentioned pulverizing and grading plant and a kind of grading plant 33, and this grading plant 33 is assigned to the further classification of this pulverizing object by mesh screen.Fig. 9 has represented that the pulverizing object with predetermined particle diameter or bigger particle diameter of discharging is back to this pulverizing and grading plant via return line 36 from grading plant 33, so that provide as product gravel 34 and the fine powder 35 of pulverizing object.
Industrial applicibility
According to pulverizing of the present invention and grading plant, because angle θ 1 is arranged in 30 ° to 90 ° scope, the tubular axis line of this angle θ 1 expression classification pipe with through the rotation of rotor and through the angle of the line formation in crosspoint (herein, being used for making the tubular axis line of the classification pipe that fine powder discharges with the air-flow that spirals to intersect with the inner surface that is connected of sidewall). Therefore, can improve the velocity component towards the classification pipe of the air-flow that spirals, go out so that the fine powder that spirals with the air-flow that spirals can enter the classification tube side-by-side fast, thereby provide good classification and expulsion efficiency for fine powder. In addition, only the classification pipe need to be installed on the housing, so that the tube axis direction of classification pipe is set to θ 1. Therefore this structure is very simple.
Claims (13)
1. pulverize and grading plant for one kind, be used to pulverize impelling object to be processed, obtain to pulverize object by making this object knock the collision part, and the fine powder of classification and discharge pulverizing object, this device comprises:
Housing, this housing has supply port and outlet, and this supply port is arranged in the top of housing, is used to supply with object, and this outlet is arranged in lower part of frame, is used to discharge this pulverizing object;
Rotor, this rotor arrangements be on the top of housing, and the object impelling that is used for by centrifugal force supplying with from supply port is to this collision part that is arranged in housing; And
The classification pipe, this classification pipe is connected with the sidewall of housing, is used to make fine powder to discharge with the air-flow that spirals, and this air-flow that spirals is that the rotation owing to rotor results from the housing,
Wherein, in and plane through a crosspoint vertical with the rotation of rotor, θ 1 is arranged in 30 ° to 90 ° scope, wherein, at this place, crosspoint, the connection inner surface that is connected with the classification pipe of this sidewall and the tubular axis line of classification pipe intersect, and θ 1 represents the angle of the line of this crosspoint of process and this rotation of process in the tubular axis line formation of this place, crosspoint and classification pipe.
2. pulverizing according to claim 1 and grading plant, wherein: θ 1 is arranged in 60 ° to 90 ° scope.
3. pulverizing according to claim 1 and 2 and grading plant, wherein: the housing sidewall that is connected with the classification pipe is the cylindrical shape of center on the rotation of rotor.
4. according to any described pulverizing and grading plant in the claim 1 to 3, wherein: the downstream at the classification pipe is provided with pump unit.
5. according to any described pulverizing and grading plant in the claim 1 to 4, wherein: at least one extraneous air inlet tube is arranged on the housing, is used for extraneous air is introduced housing.
6. pulverizing according to claim 5 and grading plant, wherein:
This extraneous air inlet tube is connected with the sidewall of housing; And
In and plane through a crosspoint vertical with the rotation of rotor, θ 2 is arranged in 30 ° to 90 ° scope, wherein, at this place, crosspoint, the connection inner surface that is connected with the extraneous air inlet tube of this sidewall and the tubular axis line of this extraneous air inlet tube intersect, and θ 2 represents the angle of the line of these crosspoints of process and this rotation of process in the tubular axis line formation of this place, crosspoint and this extraneous air inlet tube.
7. pulverizing according to claim 6 and grading plant, wherein: θ 2 is arranged in 60 ° to 90 ° scope.
8. according to any described pulverizing and grading plant in the claim 5 to 7, wherein: externally the upstream of air inlet tube is provided with blasting unit.
9. according to any described pulverizing and grading plant in the claim 1 to 8, wherein: provide flow speed controller, this flow speed controller is used for controlling the flow velocity of the air-flow that spirals of housing.
10. according to any described pulverizing and grading plant in the claim 1 to 9, wherein: in housing, be provided with the anti-parts that flow into, be used to prevent the import that can not enter the classification pipe from the top by the pulverizing object that the air-flow that spirals transmits.
11. according to any described pulverizing and grading plant in the claim 1 to 10, wherein: the place is provided with impact part at rotor, is used for impacting and pulverizes the pulverizing object of wanting handled object or bounce-back that comes out from the rotor impelling.
12. according to any described pulverizing and grading plant in the claim 1 to 11, wherein: the downstream at housing is provided with grading plant, is used for the pulverizing object of discharging from the outlet of housing is carried out further classification.
13. one kind is used for pulverizing and the grading plant that gravel is produced, and is used to pulverize for example raw material rock of object to be processed, and produces gravel and rubble, this device comprises as any described pulverizing and grading plant in the claim 1 to 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004105269A JP4386780B2 (en) | 2004-03-31 | 2004-03-31 | Crushing and classifying device |
| JP105269/2004 | 2004-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1938095A true CN1938095A (en) | 2007-03-28 |
| CN100453183C CN100453183C (en) | 2009-01-21 |
Family
ID=35124883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800108496A Expired - Fee Related CN100453183C (en) | 2004-03-31 | 2005-03-24 | Crushing and classifying device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4386780B2 (en) |
| KR (1) | KR100801412B1 (en) |
| CN (1) | CN100453183C (en) |
| WO (1) | WO2005097326A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103025433A (en) * | 2010-07-30 | 2013-04-03 | 细川密克朗集团股份有限公司 | Jet mill |
| CN111701667A (en) * | 2020-07-23 | 2020-09-25 | 上海砼力人工砂装备有限公司 | Sand making machine with abrasion monitoring function and sensor thereof |
| CN112138783A (en) * | 2020-08-27 | 2020-12-29 | 枣庄鑫金山智能装备有限公司 | Vertical shaft hammer type sand making machine |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5075584B2 (en) * | 2006-11-02 | 2012-11-21 | 古河産機システムズ株式会社 | Crusher |
| KR101195616B1 (en) | 2012-06-13 | 2012-10-30 | (주)모악환경산업 | Aggregate manufacturing machine using crush and desquamate |
| CN105797813B (en) * | 2016-05-28 | 2018-06-26 | 赵君雄 | Birotor opposite strikig type vertical-spindle hammer crusher |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS577264A (en) * | 1980-06-16 | 1982-01-14 | Kobukuro Iron Works Co Ltd | Crusher building in classifier |
| IT1208258B (en) * | 1987-03-18 | 1989-06-12 | Umberto Manola | MICRONIZER APPARATUS FOR THE TREATMENT OF ORGANIC AND INORGANIC PRODUCTS |
| JPH01281154A (en) * | 1988-05-06 | 1989-11-13 | Kotobuki Giken Kogyo Kk | Crushing apparatus |
| CN2102798U (en) * | 1991-05-24 | 1992-04-29 | 浙江省嵊县特种粉碎设备厂 | Vertical grade grinder |
| JP3107670B2 (en) * | 1992-12-22 | 2000-11-13 | 日本ニューマチック工業株式会社 | High-speed rotary impact crusher |
| JP2000140661A (en) * | 1998-11-17 | 2000-05-23 | Canon Inc | Production of toner particle |
-
2004
- 2004-03-31 JP JP2004105269A patent/JP4386780B2/en not_active Expired - Fee Related
-
2005
- 2005-03-24 WO PCT/JP2005/005356 patent/WO2005097326A1/en active Application Filing
- 2005-03-24 KR KR1020067020301A patent/KR100801412B1/en not_active IP Right Cessation
- 2005-03-24 CN CNB2005800108496A patent/CN100453183C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103025433A (en) * | 2010-07-30 | 2013-04-03 | 细川密克朗集团股份有限公司 | Jet mill |
| CN103025433B (en) * | 2010-07-30 | 2014-08-06 | 细川密克朗集团股份有限公司 | Jet mill |
| CN111701667A (en) * | 2020-07-23 | 2020-09-25 | 上海砼力人工砂装备有限公司 | Sand making machine with abrasion monitoring function and sensor thereof |
| CN111701667B (en) * | 2020-07-23 | 2023-03-14 | 上海砼力人工砂装备有限公司 | Sand making machine with abrasion monitoring function and sensor thereof |
| CN112138783A (en) * | 2020-08-27 | 2020-12-29 | 枣庄鑫金山智能装备有限公司 | Vertical shaft hammer type sand making machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005288270A (en) | 2005-10-20 |
| KR100801412B1 (en) | 2008-02-05 |
| WO2005097326A1 (en) | 2005-10-20 |
| JP4386780B2 (en) | 2009-12-16 |
| KR20060131947A (en) | 2006-12-20 |
| CN100453183C (en) | 2009-01-21 |
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