CN103285987A - Device and method for preparation of biomass ultrafine powder - Google Patents

Device and method for preparation of biomass ultrafine powder Download PDF

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Publication number
CN103285987A
CN103285987A CN2013102521969A CN201310252196A CN103285987A CN 103285987 A CN103285987 A CN 103285987A CN 2013102521969 A CN2013102521969 A CN 2013102521969A CN 201310252196 A CN201310252196 A CN 201310252196A CN 103285987 A CN103285987 A CN 103285987A
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China
Prior art keywords
living beings
grader
powder
biomass
special
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Granted
Application number
CN2013102521969A
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Chinese (zh)
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CN103285987B (en
Inventor
朱松柏
陈思庚
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MULTIENERGY GROUP Ltd
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MULTIENERGY GROUP Ltd
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Priority to CN201310252196.9A priority Critical patent/CN103285987B/en
Publication of CN103285987A publication Critical patent/CN103285987A/en
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Publication of CN103285987B publication Critical patent/CN103285987B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • B02C13/18Disintegrating 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
    • B02C13/1807Disintegrating 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
    • B02C13/1814Disintegrating 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 by means of beater or impeller elements fixed on top of a disc type rotor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator

Abstract

The purpose of the present invention is to provide a device and a method for preparation of a biomass ultrafine powder. The device for preparation of the biomass ultrafine powder comprises a coarse crusher, a biomass-specialized ultrafine crusher, a pulse bag deduster, a double-plate baiting valve and an induced draught fan. The coarse crusher and the biomass-specialized ultrafine crusher are connected through a pipeline. The biomass-specialized ultrafine crusher is provided respectively with, from bottom to top, a crushing chamber and a grader. The biomass-specialized ultrafine crusher and the grader are configured into an integral structure, and crushing and grading can be continuous and synchronous. The beneficial effects of the invention are that: fed materials are crushed into powders with non-uniform particle sizes by a millstone of the crushing chamber, the powders with non-uniform particle sizes are graded into a qualified fine powder and an unqualified coarse powder by the grader, the unqualified coarse powder falls back to the crushing chamber for continued crushing, the qualified fine powder enters into the pulse bag deduster from the grader through the pipeline, and the irregular crystal powder is obtained through colleting by the double-plate baiting valve, so simple and convenient screening can be realized; at the same time, the biomass-specialized ultrafine crusher and the grader are configured into an integral structure, so that crushing and grading can be continuous and synchronous; and dust-containing exhaust gases are discharged by use of the induced draft fan, and the pollution of the environment can be greatly reduced.

Description

A kind of living beings superfine powder preparation facilities and preparation method thereof
Technical field
The present invention relates to a kind of living beings superfine powder preparation facilities and preparation method thereof, belong to the superfine powder preparation field.
Background technology
Crushing technology is being played the part of important role in living beings transformation of energy and early stage in the processing procedure, has only the continuous progress of pulverizing process technology and perfect, could promote effectively China's biomass energy extensively, the utilization of efficient and ensured sustained development.Generally speaking, biomass material granularity after the pulverizing is more thin, post-production utilizes effect more good, but because living beings light specific gravity, characteristics that fiber content is high, existing living beings disintegrating apparatus replaces with equipment such as traditional hammer crusher, wood powder machines mostly, raw meal particle size after the pulverizing is thick and can't adjust, and production efficiency is lower, is difficult to satisfy produce and the research demand.How living beings are crushed to below the 30 μ m in addition thinner be a traditional difficult problem.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of living beings superfine powder preparation facilities of proposition, this device can be adjusted raw meal particle size, has production efficiency height, characteristics such as simple in structure.
Another object of the present invention is to propose a kind of method for preparing the living beings superfine powder, and this method can effectively be crushed to living beings below the 30 μ m.
A kind of living beings superfine powder preparation facilities of the present invention is made up of Roughpulverizer, the special-purpose ultrafine crusher of living beings, pulse bag type dust collector, doubling plate baiting valve and air-introduced machine; Described Roughpulverizer is connected by pipeline with the special-purpose ultrafine crusher of living beings; The special-purpose ultrafine crusher of described living beings is provided with pulverizing chamber, grader from the bottom to top successively; The special-purpose ultrafine crusher of described living beings is integral structure with grader, and pulverizing, classification can be continuously, carry out synchronously.
Further, the special-purpose ultrafine crusher of described living beings selects for use high linear speed 120-150m/s to realize effective pulverizing; Described pulverizing chamber is provided with the mill of rotation; Described mill is the hammer impact grinding; Be provided with classifying turbine and classification rotating shaft in the described grader; Described classifying turbine is coaxial with the classification rotating shaft; Described classifying turbine ratio of height to diameter is chosen at 0.4-0.5; Described classifying turbine annular space area control is at 20%-25%; Described classifying turbine radial velocity control is at 1.5-2m/s; Described grader rotating speed control is at 1500-2000rpm; The pulse bag type dust collector bottom is provided with the doubling plate baiting valve, and described doubling plate baiting valve is connected by pipeline with grader; Described pulse bag type dust collector is connected with air-introduced machine by pipeline.
The invention has the beneficial effects as follows: 1. by the special-purpose pulverizer of living beings is divided into Roughpulverizer and ultrafine crusher two parts, realize a complete set of technology from the raw material of living beings own directly to the integrated flow process of superfine powder (30um with thin), need not to carry out again other transfers and pulverize supervisor; 2. the mill of pulverizing chamber smashes into the inhomogeneous powder of thickness with the material of sending into, grader is divided into the qualified fine powder of granularity and underproof meal to the inhomogeneous powder of thickness, underproof meal continues to pulverize because gravity falls after rise to pulverizing chamber, qualified fine powder enters pulse bag type dust collector through pipeline by grader, and collected by the doubling plate baiting valve and to obtain the irregular crystal powder, played succinctly, screening effect easily; 3. the special-purpose ultrafine crusher of living beings adopts and the grader integral structure, pulverizes, classification can be continuously, carry out synchronously; 4. the material through Roughpulverizer is to be entered by the mill bottom through the pulverizing chamber that pipeline enters the special-purpose ultrafine crusher of living beings, can effectively solve little density material and be difficult for the problem of landing under the crush efficiency that causes on the impact block; 5. the waste gas of dust-laden is discharged by air-introduced machine in the pulse bag type dust collector, has significantly reduced the pollution to environment; 6. for pulverizing main frame, be 120-150m/s by selecting its linear velocity for use, effectively realize the pulverizing to fiberous material; 7. because biomass density is little, and the finished product baiting valve adopts the baiting valve of double-deck turnover plate type, makes its air-tightness better, blanking is more smooth and easy; 8. by the air-introduced machine postposition, for whole system provides negative pressure, keeping production environment is negative-pressure operation, no dust pollution.
Description of drawings
Fig. 1 is living beings superfine powder preparation facilities structural representation.
Fig. 2 is the special-purpose ultrafine crusher schematic diagrames of living beings.
Among Fig. 1-2, Roughpulverizer 1, the special-purpose ultrafine crusher 2 of living beings, grader 3, pulverizing chamber 4, mill 5, pulse bag type dust collector 6, doubling plate baiting valve 7, air-introduced machine 8.
The specific embodiment
A kind of living beings superfine powder preparation facilities and preparation method thereof is shown in Fig. 1-2: be made up of Roughpulverizer (1), the special-purpose ultrafine crusher (2) of living beings, pulse bag type dust collector (6), doubling plate baiting valve (7) and air-introduced machine (8).Roughpulverizer (1) is connected by pipeline with the special-purpose ultrafine crushers of living beings (2), and the special-purpose ultrafine crushers of living beings (2) are provided with pulverizing chamber (4), grader (3) from the bottom to top successively; The special-purpose ultrafine crushers of living beings (2) be integral structure with grader (3), and pulverizing, classification can be continuously, carry out synchronously; The special-purpose ultrafine crushers of living beings (2) select for use high linear speed 120-150m/s to realize effective pulverizing; Pulverizing chamber (4) is provided with the mill (5) of rotation; Mill (5) is the hammer impact grinding; Be provided with classifying turbine and classification rotating shaft in the grader (3); Classifying turbine is coaxial with the classification rotating shaft; The classifying turbine ratio of height to diameter is chosen at 0.4-0.5; The control of classifying turbine annular space area is at 20%-25%; The control of classifying turbine radial velocity is at 1.5-2m/s; The control of grader rotating speed is at 1500-2000rpm; Pulse bag type dust collector (6) bottom is provided with doubling plate baiting valve (7), and doubling plate baiting valve (7) is connected by pipeline with grader (3); Pulse bag type dust collector (6) is connected with air-introduced machine (8) by pipeline.
Concrete implementation step is as follows: step 1, and biomass material tentatively is ground into particle through Roughpulverizer (1); Step 2, the particle that obtains through coarse crushing enters into the pulverizing chamber of the special-purpose ultrafine crushers of living beings (2) by pipeline by mill (5) bottom, and the mill of high-speed rotation (5) smashes into the inhomogeneous powder of thickness with the particle of sending into; Step 3, grader (3) is divided into the qualified fine powder of granularity and underproof meal to powder, and described grader (3) rotating speed is controlled at 1500-2000rpm; Step 4, qualified fine powder enter pulse bag type dust collector (6) under the effect of air-introduced machine (8), discharge finished product through sieving finally from doubling plate baiting valve (7), are extracted out by air-introduced machine (8) through the gas that pulse sack cleaner (6) purifies; Step 5, underproof meal continues to pulverize because self gravitation can fall back to pulverizing chamber (4), until the superfine powder that reaches release mesh.
The product that utilizes the final collection of a kind of living beings superfine powder preparation facilities of the present invention and preparation method thereof to obtain is the irregular crystal powder.

Claims (6)

1. living beings superfine powder preparation facilities, be made up of Roughpulverizer, the special-purpose ultrafine crusher of living beings, pulse bag type dust collector, doubling plate baiting valve and air-introduced machine, it is characterized in that: described Roughpulverizer is connected by pipeline with the special-purpose ultrafine crusher of living beings; The special-purpose ultrafine crusher of described living beings is provided with pulverizing chamber, grader from the bottom to top successively; Described pulverizing chamber is provided with the mill of rotation; The pulse bag type dust collector bottom is provided with the doubling plate baiting valve, and described doubling plate baiting valve is connected by pipeline with grader; Described pulse bag type dust collector is connected with air-introduced machine by pipeline.
2. a kind of living beings superfine powder preparation facilities according to claim 1 is characterized in that: the special-purpose ultrafine crusher of described living beings is integral structure with grader, and pulverizing, classification can be continuously, carry out synchronously; The special-purpose ultrafine crusher of described living beings selects for use high linear speed 120-150m/s to realize effective pulverizing.
3. a kind of living beings superfine powder preparation facilities according to claim 1, it is characterized in that: be provided with classifying turbine and classification rotating shaft in the described grader, classifying turbine is coaxial with the classification rotating shaft, and described classifying turbine ratio of height to diameter is chosen at 0.4-0.5, the control of annular space area is controlled at 1.5-2m/s in 20%-25%, radial velocity.
4. a kind of living beings superfine powder preparation facilities according to claim 1, it is characterized in that: described mill is the hammer impact grinding.
5. utilize the described a kind of living beings superfine powder preparation facilities of claim 1 to prepare the method for living beings superfine powder, it is characterized in that: step 1, biomass material tentatively is ground into particle through Roughpulverizer; Step 2, the particle that obtains through coarse crushing enters into the pulverizing chamber of the special-purpose ultrafine crusher of living beings by pipeline by the mill bottom, and the mill of high-speed rotation smashes into the inhomogeneous powder of thickness with the particle of sending into; Step 3, grader is divided into the qualified fine powder of granularity and underproof meal to powder, and described grader rotating speed control is at 1500-2000rpm; Step 4, qualified fine powder enters pulse bag type dust collector under the effect of air-introduced machine, discharge finished product through sieving finally from the doubling plate baiting valve, is extracted out by air-introduced machine through the gas that the pulse sack cleaner purifies; Step 5, underproof meal continues to pulverize because self gravitation can fall back to pulverizing chamber, until the superfine powder that reaches release mesh.
6. a kind of living beings superfine powder preparation facilities as claimed in claim 5 prepares the method for living beings superfine powder, and it is characterized in that: the product of collection is the irregular crystal powder.
CN201310252196.9A 2013-06-24 2013-06-24 A kind of living beings ultrafine powder preparation device and preparation method thereof Expired - Fee Related CN103285987B (en)

Priority Applications (1)

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CN201310252196.9A CN103285987B (en) 2013-06-24 2013-06-24 A kind of living beings ultrafine powder preparation device and preparation method thereof
PCT/CN2014/000357 WO2014206057A1 (en) 2013-06-24 2014-04-01 Apparatus and method for preparation of biomass ultrafine powder

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104001651A (en) * 2014-06-04 2014-08-27 江西锐克斯科技有限公司 Ultrafine powder recovery and purification device for electrostatic powder
CN104193831A (en) * 2014-08-19 2014-12-10 高水龙 Device for producing hydroxypropyl methyl cellulose in dustless manner
WO2014206057A1 (en) * 2013-06-24 2014-12-31 多源活粒集团有限公司 Apparatus and method for preparation of biomass ultrafine powder

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Publication number Priority date Publication date Assignee Title
CN106733079B (en) * 2017-02-22 2019-05-14 山东省农业机械科学研究院 Soybean micronizer

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JPH08131878A (en) * 1994-11-10 1996-05-28 Samei Kogyo Kk Pulverizing method of shell and pulverizing device therefor
CN2439326Y (en) * 2000-08-23 2001-07-18 张永和 Vertical, high speed impact type disintegrating system
CN102019221A (en) * 2009-09-16 2011-04-20 王小钧 High efficient machinery pulverizer
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014206057A1 (en) * 2013-06-24 2014-12-31 多源活粒集团有限公司 Apparatus and method for preparation of biomass ultrafine powder
CN104001651A (en) * 2014-06-04 2014-08-27 江西锐克斯科技有限公司 Ultrafine powder recovery and purification device for electrostatic powder
CN104193831A (en) * 2014-08-19 2014-12-10 高水龙 Device for producing hydroxypropyl methyl cellulose in dustless manner

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WO2014206057A1 (en) 2014-12-31

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