CN103028474A - Micro-powder preparing device - Google Patents

Micro-powder preparing device Download PDF

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Publication number
CN103028474A
CN103028474A CN 201110292842 CN201110292842A CN103028474A CN 103028474 A CN103028474 A CN 103028474A CN 201110292842 CN201110292842 CN 201110292842 CN 201110292842 A CN201110292842 A CN 201110292842A CN 103028474 A CN103028474 A CN 103028474A
Authority
CN
China
Prior art keywords
casing
chamber
grading
crushing
rotoclone collector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201110292842
Other languages
Chinese (zh)
Inventor
沈火元
陈国强
邢淮阳
陈宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU XINGSHENG WIND POWER TECHNOLOGY Co Ltd
Original Assignee
JIANGSU XINGSHENG WIND POWER TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU XINGSHENG WIND POWER TECHNOLOGY Co Ltd filed Critical JIANGSU XINGSHENG WIND POWER TECHNOLOGY Co Ltd
Priority to CN 201110292842 priority Critical patent/CN103028474A/en
Publication of CN103028474A publication Critical patent/CN103028474A/en
Pending legal-status Critical Current

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Abstract

The invention provides a micro-powder preparing device which has the advantages of wide application scope, reliable operation, and capability of producing stable-quality products, reducing equipment energy consumption and guaranteeing product granularity. The micro-powder preparing device comprises an ultrafine crusher, a rotoclone collector, and a draught fan; the ultrafine crusher comprises a casing and a feeding pipe connected with the casing, the casing is provided with an inlet chamber at the lower part and a crushing and grading chamber at the upper part, a rotatable grading impeller is installed in the crushing and grading chamber; the grading impeller is provided with a grading chamber at the upper part and a crushing chamber at the lower part; a rotary crushing disc which has a blade is installed in the crushing chamber; a shunting ring is installed between the crushing disc and the grading impeller; the central part of the shunting ring is provided with a feeding pipe outlet used for delivering the pre-crushed material into the crushing chamber; a discharge port is arranged at the upper part of the grading chamber; the discharge port of the ultrafine crusher is connected with an air inlet located at the side of the rotoclone collector, an air outlet located at the upper part of the rotoclone collector is connected with the draught fan. The micro-powder preparing device comprises a deslagging device installed on the casing of the ultrafine crush and used for discharging material which cannot be crushed out of the crushing chamber, and a control valve for controlling the flow rate of the material is arranged on the feeding pipe.

Description

Micropowder preparation device
Technical field
The present invention relates to micropowder preparation device.
Background technology
At present, powder deep processing abrasive dust device category is a lot of both at home and abroad, and purposes and specific energy consumption difference are very large, and service life is limited, inconvenient maintenance.
Summary of the invention
The purpose of this invention is to provide a kind of applied widely, reliable, constant product quality, reduction equipment energy consumption, guarantee the micropowder preparation device of product granularity.
Micropowder preparation device of the present invention comprises ultrafine crusher, rotoclone collector, air-introduced machine; Ultrafine crusher comprises casing, be connected to feed pipe on the casing, have the inlet plenum of bottom, pulverizing and the grading room on top in the casing, pulverize and grading room in be provided with rotating classifying turbine; The top of classifying turbine is that grading room, bottom are pulverizing chamber; Be provided with the grating disk of rotation in the pulverizing chamber, on the grating disk with blade; Between grating disk and classifying turbine, be provided with flow splitter; Be used for the material of precomminution is sent into the feed pipe outlet of pulverizing chamber at the central part of flow splitter; Discharging opening is opened the top at grading room; The air outlet on top that the discharging opening of ultrafine crusher connects sidepiece air inlet, the rotoclone collector of rotoclone collector connects air-introduced machine; It also comprises being used on the casing that is arranged on ultrafine crusher discharges the material that can not pulverize from pulverizing chamber deslagging device; Be provided with the by-pass valve control of control mass flow on the feed pipe.
Beneficial effect of the present invention: the ultra-fine grinding function is finished crushing material and micro mist sorting twice powder manufacturing procedure simultaneously.During ultrafine crusher work, discharging opening links to each other with air-introduced machine by rotoclone collector.The material that the indoor grating disk (and blade) of pulverizing chamber is used for being sent into by feed pipe smashes into fine powder; Classifying turbine is divided into the qualified fine powder of granularity and underproof meal to fine powder, and qualified fine powder enters rotoclone collector through discharging opening, and qualified little micro mist is collected the micro mist that obtains needs through the rewinding mouth of the bottom of rotoclone collector.The waste gas of dust-laden is discharged by air-introduced machine.In the ultrafine crusher, grating disk and classifying turbine are driven respectively by two concentric shafts respectively, and the rotating speed of classifying turbine is adjustable, in order to regulate the granularity of product.Underproof meal falls back to pulverizing chamber along the flow splitter inwall, continues to pulverize, until reach till the release mesh.With ultrafine crusher to material pulverize, sorting because the parts hardness that grating disk, blade etc. and material directly contact is higher, wear and tear very little, do not have the impurity that impurity only has minute quantity in other words and enter in the material; Simultaneously, with rotoclone collector powder is collected, also do not had impurity and enter.In addition, the parts wears such as grating disk, blade are very little in the ultrafine crusher; And rotoclone collector can not be worn substantially, so the long service life of this preparation facilities, and is not fragile.The present invention is particularly useful for Mohs' hardness and pulverizes less than 6 material fining, such as calcium carbonate, talcum powder, bauxite, kaolin, quartz, calcite, barite, White Cloud Mountain, mica etc., can obtain the micro mist that the 200-4000 order does not wait, it is applied widely, energy consumption is low, long service life, easy to maintenance.Can control the flow of the material that enters pulverizing chamber by by-pass valve control, prevent that runner is excessive and stop up feed pipe, also can to enter in the pulverizing chamber material ratio more even, at the uniform velocity enter pulverizing chamber, the crushing material process is steady, and the degree of grinding of material large fluctuation can not occur.By deslagging device, can in time discharge the material that can not pulverize, again pass through crushing process so as not to it, reduced equipment energy consumption, also guaranteed the granularity of product.
Above-mentioned micropowder preparation device, it also comprises bagroom, the air outlet on the top of rotoclone collector connects the sidepiece air inlet of bagroom; The air outlet of bagroom connects air-introduced machine.Bagroom can filter the dust in the gas that the rotoclone collector air outlet is discharged, and so just can prevent direct discharge of dust and contaminated environment.
Above-mentioned micropowder preparation device, deslagging device comprises conveying worm, the import of conveying worm is at the casing inner wall place in the flow splitter outside.
Above-mentioned micropowder preparation device, it also comprises the belt conveyor of sending into feed pipe for the material that needs are pulverized.
Description of drawings
Fig. 1 is the schematic diagram of micropowder preparation device.
Fig. 2 is the schematic diagram of ultrafine crusher.
Fig. 3 is the enlarged drawing of grading room 82, classification rotating shaft 13 among Fig. 2 etc.
Fig. 4 be among Fig. 2 blade 11, pulverize belt pulley 16, pulverize the enlarged drawing of rotating shaft 15 etc.
Fig. 5 be among Fig. 2 inlet plenum 7, blade 11, pulverize the enlarged drawing of rotating shaft 15 etc.
Fig. 6 is the side view of ultrafine crusher.
Fig. 7 is the enlarged drawing of grading room 82, classification rotating shaft 13 among Fig. 6 etc.
Fig. 8 is the enlarged drawing of blade 11, conveying worm 100 among Fig. 6 etc.
Fig. 9 is the enlarged drawing of pulverizing chamber 81, conveying worm 100 among Fig. 6 etc.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Referring to micropowder preparation device shown in Figure 1, comprise ultrafine crusher 1, rotoclone collector 2, bagroom 3, air-introduced machine 4.
Comprise casing 12, be connected to being used on the casing and the material of precomminution sent in the feed pipe 5, discharging opening 6, casing of pulverizing chamber have the inlet plenum 7 of bottom, pulverizing and the grading room 8 on top referring to ultrafine crusher 1 shown in Figure 2.
Pulverizing and grading room 8 comprise pulverizing chamber 81, grading room 82.Pulverize and the grading room 8 interior classifying turbines 9 that arrange.The top of classifying turbine is that grading room 82, bottom are pulverizing chamber 81.Grating disk 10 is set in the pulverizing chamber.On the grating disk with blade 11; Between grating disk and classifying turbine, be provided with flow splitter 17.Classifying turbine 9 joins with the classification rotating shaft 13 of passing grading room, and the top of classification rotating shaft 13 links to each other with split-pole motor 14.Grating disk 10 joins with the pulverizing rotating shaft 15 of passing inlet plenum, and the lower end of pulverizing rotating shaft is fixed with pulverizes belt pulley 16.Pulverizing belt pulley 16 links to each other with pulverizing motor 18 by belt.The axis of pulverizing rotating shaft 15, grating disk 10, classification rotating shaft 13, classifying turbine 9 all overlaps.
The outlet of feed pipe 5 communicates with pulverizing chamber 81 at the central part of flow splitter.Be provided with the by-pass valve control 51 of control mass flow on the feed pipe.Discharging opening 6 is opened the upper lateral part at grading room.
Be fixed on the import of the conveying worm (deslagging device) 100 on the ultrafine crusher casing at the casing inner wall place in the flow splitter outside, the slag notch 101 of conveying worm is below the conveying worm middle part, drive motors 102 actions of conveying worm can be discharged the material that can not pulverize from pulverizing chamber.
The air outlet 22 on top that the discharging opening 6 of ultrafine crusher connects sidepiece air inlet 21, the rotoclone collector of rotoclone collector 2 connects the sidepiece air inlet 31 of bagroom 3; The air outlet 32 of bagroom connects air-introduced machine 4.
Grating disk 10 and blade 11 be high speed rotating under the drive of pulverizing belt pulley 16, pulverizing rotating shaft 15.Material is injected pulverizing chamber through feed pipe 5, and material is fluidization, produces violent collision, friction, shearing with the grating disk that runs up and blade 11, and grating disk (and blade) will smash into fine powder by the material that feed pipe is sent into, and finish the ultra-fine grinding of particle.Material after the pulverizing is entered into from inlet plenum 7 in the pulverizing chamber 81 and the air-flow that rises is delivered in the grading room 82.The classifying turbine 9 that rotates under the drive by split-pole motor 14, classification rotating shaft 13 is divided into the qualified fine powder of granularity and underproof meal to fine powder, qualified fine powder by 4 through discharging opening 6 sucking-offs.That is to say, under the effect of classifying turbine centrifugal force and air-introduced machine draft, realized the separation of thickness powder.Underproof meal falls back to pulverizing chamber because of the gravity of self along flow splitter 17 inwalls, continues to pulverize, until reach till the release mesh.
Qualified fine powder enters rotoclone collector 2 with air-flow through discharging opening 6, and qualified fine powder descends while rotating along the madial wall of rotoclone collector, finally discharges from the discharging opening 23 of the bottom of rotoclone collector, namely obtains qualified micro mist.The dusty gas that contains the fine dust more small than qualified fine powder is inhaled into the sidepiece air inlet 31 of bagroom 3 by the top air outlet 23 of rotoclone collector.Regularly discharged by the discharging opening 33 of bagroom 3 bottoms by the fine dust that bagroom 3 is collected.Extracted out by air-introduced machine 4 by the air outlet 32 of bagroom through the gas that bagroom 3 purifies, discharge through the discharge line 41 of air-introduced machine.
Grating disk and classifying turbine are driven separately by pulverizing belt pulley and split-pole motor by two concentric pulverizing rotating shafts and classification rotating shaft respectively.The rotating speed of classifying turbine is adjustable, in order to regulate the granularity of product.

Claims (4)

1. micropowder preparation device comprises ultrafine crusher, rotoclone collector, air-introduced machine; Ultrafine crusher comprises casing, be connected to feed pipe on the casing, have the inlet plenum of bottom, pulverizing and the grading room on top in the casing, pulverize and grading room in be provided with rotating classifying turbine; The top of classifying turbine is that grading room, bottom are pulverizing chamber; Be provided with the grating disk of rotation in the pulverizing chamber, on the grating disk with blade; Between grating disk and classifying turbine, be provided with flow splitter; Be used for the material of precomminution is sent into the feed pipe outlet of pulverizing chamber at the central part of flow splitter; Discharging opening is opened the top at grading room; It is characterized in that: the air outlet on top that the discharging opening of ultrafine crusher connects sidepiece air inlet, the rotoclone collector of rotoclone collector connects air-introduced machine; It also comprises being used on the casing that is arranged on ultrafine crusher discharges the material that can not pulverize from pulverizing chamber deslagging device; Be provided with the by-pass valve control of control mass flow on the feed pipe.
2. micropowder preparation device as claimed in claim 1 it is characterized in that: further comprising bagroom, and the air outlet on the top of rotoclone collector connects the sidepiece air inlet of bagroom; The air outlet of bagroom connects air-introduced machine.
3. micropowder preparation device as claimed in claim 1, it is characterized in that: deslagging device comprises conveying worm, the import of conveying worm is at the casing inner wall place in the flow splitter outside.
4. micropowder preparation device as claimed in claim 1 it is characterized in that: further comprising the belt conveyor of sending into feed pipe for the material that needs are pulverized.
CN 201110292842 2011-09-30 2011-09-30 Micro-powder preparing device Pending CN103028474A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110292842 CN103028474A (en) 2011-09-30 2011-09-30 Micro-powder preparing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110292842 CN103028474A (en) 2011-09-30 2011-09-30 Micro-powder preparing device

Publications (1)

Publication Number Publication Date
CN103028474A true CN103028474A (en) 2013-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110292842 Pending CN103028474A (en) 2011-09-30 2011-09-30 Micro-powder preparing device

Country Status (1)

Country Link
CN (1) CN103028474A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104923334A (en) * 2015-06-24 2015-09-23 顾马飞 Pulverizer provided with deironing device and used for producing ceramics
CN106799293A (en) * 2017-03-23 2017-06-06 潍坊正远粉体工程设备有限公司 Crush shaping integrated production line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104923334A (en) * 2015-06-24 2015-09-23 顾马飞 Pulverizer provided with deironing device and used for producing ceramics
CN106799293A (en) * 2017-03-23 2017-06-06 潍坊正远粉体工程设备有限公司 Crush shaping integrated production line

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C06 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130410

C02 Deemed withdrawal of patent application after publication (patent law 2001)