CN105195293B - A kind of material breaking method - Google Patents
A kind of material breaking method Download PDFInfo
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- CN105195293B CN105195293B CN201510685488.0A CN201510685488A CN105195293B CN 105195293 B CN105195293 B CN 105195293B CN 201510685488 A CN201510685488 A CN 201510685488A CN 105195293 B CN105195293 B CN 105195293B
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Abstract
The present invention relates to a kind of material breaking method, comprise the following steps:1) material precrushing;2) drying materials after step 1) precrushing processing are consistent to its inside and outside moisture content;3) material after the step 2) processing is cooled to its water content as 11%;4) will the screen after the material after the step 3) cooling is broken;5) the oversize repeating said steps 4 after the step 4) screen), until all materials reach the first broken standard;6) material for being up to the first broken standard carries out screen after pulverization process, until the material after crushing reaches the second broken standard.The present invention has that crushing effect is good, production efficiency is high and the advantages such as production cost is low.
Description
Technical field
The present invention relates to a kind of breaking method, the broken side of the difficult processing materials such as more particularly to a kind of long fibre and lignin
Method.
Background technology
Cultivated area of the corn in China is wide, and according to statistics, China annual corn (including corncob) yield is about 1.5
Hundred million tons, and the yield of corncob accounts for-half left and right of total output.Although corncob can be used as replacement of fuel coal or natural gas,
But this Land use systems, there is the problem of the wasting of resources, experimental study shows, corncob is containing sugar 54.5%, crude protein
2.2%th, crude fat 0.4%, crude fibre 29.7%, mineral matter 1.2%, therefore, can be with beyond all doubt determination, if be only used as
Fuel burns, and the value of corncob is not fully utilized.It is well known that corncob may be used as pig or ox
Feed, can also as plantation edible mushroom base-material, can also be indirectly used as produce the added value such as furfural and xylitol compared with
High industrial products.The premise being effectively utilized above is that corncob must be crushed, corncob belong to long fibre plasticity compared with
Strong material, material particles englobement can be caused using common breaking method, the more beat the more real, it is difficult to crushing and screen, no
Production efficiency is reduced by only, and also add production cost.
The content of the invention
For above-mentioned technical problem, offer of the present invention-kind of crushing effect is good, production efficiency is high and production cost is low
Breaking method for the long fibre difficulty broken material such as corncob.
In order to solve the above technical problems, the technical solution used in the present invention is:A kind of material breaking method, including it is following
Step:1) material precrushing;2) drying materials after step 1) precrushing processing are consistent to its inside and outside moisture content;3) pass through
Material after the step 2) processing is cooled to its water content as 11%;4) material after the step 3) cooling is crushed
Screen afterwards;5) the oversize repeating said steps 4 after the step 4) screen), broken until all materials reach first
Broken standard;6) material for being up to the first broken standard carries out screen after pulverization process, until the material after crushing reaches second
Broken standard.
The step 1) carries out precrushing using the unequal oppositely rolling roller crusher of roll body diameter to material.
Using tunnel type drying case after 70 DEG C of -85 DEG C of drying 1h-1.5h, sampling cools down and measures material the step 2)
Inside and outside moisture content, if the inside and outside moisture content of material not-cause, continue the step 2), otherwise, continue the step 3).
The step 4) uses hammer mill or roller pulverizer comminuting matter.
Using the pneumatic jig screen material of the mesh of 70 mesh -90 in the step 4).
Described first broken standard is the mesh of 70 mesh -90.
The step 6) carries out pulverization process to material using pulverizing mill, and the described second broken standard is the mesh of 300 mesh -325.
Dust caused by shattering process is handled using pulse dust removal equipment.
Due to using above technical scheme, its technique effect reached is the present invention:1st, because the present invention uses tunnel type
Drying baker is consistent to its inside and outside moisture content by drying materials at 70 DEG C -85 DEG C, and by the material after above-mentioned PROCESS FOR TREATMENT in normal temperature
Under be cooled to moisture content and be down to less than 11%, therefore, it is possible to effectively improve the plasticity of material and fragility, and then reduce the difficulty crushed
Degree.2nd, due to the present invention by the material after first time crushes through pneumatic jig screen, will be greater than or equal to the-broken standard
Material crushes again, and will be less than material screen after pulverizing mill carries out pulverization process of the first broken standard, until reaching the
Sledging standard, therefore, substantially increase the crush efficiency and economic benefit of material.3rd, due to caused by shattering process of the present invention
Dust is handled using pulse dust removal equipment, therefore, greatly reduces the pollution of the broken environment of dust in crushing process.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the schematic flow sheet of the present invention.
Embodiment
Research shows that the plasticity of corncob or wood chip has direct relation with water content, i.e. water content is smaller, and fragility is got over
Greatly, easier crushing, based on the offer of the present invention of above-mentioned characteristic-kind it is used for the broken side of the long fibre difficulty broken material such as corncob
Method, comprise the following steps (as shown in Figure 1):
1) attrition crushing is carried out to material using the unequal oppositely rolling roller crusher of roll body diameter;
2) using tunnel type drying case after 70 DEG C of -85 DEG C of drying 1h-1.5h, sampling cools down and measures material inside and outside water
Part, if the inside and outside moisture content of material is inconsistent, continue this step, otherwise, continue in next step;
3) material after step 2) processing is cooled to moisture content and is down to less than 11% at normal temperatures;
4) with the purpose of 70 mesh -90 after the material after step 3) processing is crushed using beater grinder or roller pulverizer
Pneumatic jig screen;
5) the oversize repeat step 4 of not up to broken standard), until all fragments reach the purpose of 70 mesh -90
Broken standard;
6) material for reaching broken standard carries out pulverization process, screen with pulverizing mill, and the material for reaching the mesh of 300 mesh -325 is
Qualified powder.
Dust caused by above-mentioned shattering process is handled using pulse dust removal equipment.
It can be that professional and technical personnel in the field realize or used that above-mentioned embodiment, which is intended to illustrate the present invention, to above-mentioned
Embodiment is modified and will be apparent for those skilled in the art, therefore the present invention includes but is not limited to
Above-mentioned embodiment, it is any to meet the claims or specification description, meet with principles disclosed herein and novelty,
The method of inventive features, technique, product, each fall within protection scope of the present invention.
Claims (4)
1. a kind of material breaking method, comprises the following steps:
1) material precrushing;
2) drying materials after step 1) precrushing processing are consistent to its inside and outside moisture content;
3) material after the step 2) processing is cooled to its water content as 11%;
4) will the screen after the material after the step 3) cooling is broken;
5) the oversize repeating said steps 4 after the step 4) screen), until all materials reach the first broken mark
It is accurate;
6) material for being up to the first broken standard carries out screen after pulverization process, is crushed until the material after crushing reaches second
Standard;
The step 1) carries out precrushing using the unequal oppositely rolling roller crusher of roll body diameter to material;The step 2) uses
After 70 DEG C of -85 DEG C of drying 1h-1.5h, sampling cools down and measures material inside and outside moisture content tunnel type drying case, if in material,
Outer moisture content is inconsistent, then continues the step 2), otherwise, continues the step 3);Described first broken standard is 70 mesh -90
Mesh;The step 6) carries out pulverization process to material using pulverizing mill, and the described second broken standard is the mesh of 300 mesh -325;It is above-mentioned
Material breaking method is used for the broken of long fibre difficulty broken material.
2. material breaking method as claimed in claim 1, it is characterised in that:The step 4) uses hammer mill or roll-type
Pulverizer comminuting matter.
3. material breaking method as claimed in claim 1, it is characterised in that:Using the wind of the mesh of 70 mesh -90 in the step 4)
Sieve screen material.
4. material breaking method as claimed in claim 1, it is characterised in that:Dust caused by shattering process uses pulse dust removal
Equipment processing.
Priority Applications (1)
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CN201510685488.0A CN105195293B (en) | 2015-10-22 | 2015-10-22 | A kind of material breaking method |
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CN201510685488.0A CN105195293B (en) | 2015-10-22 | 2015-10-22 | A kind of material breaking method |
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CN105195293A CN105195293A (en) | 2015-12-30 |
CN105195293B true CN105195293B (en) | 2017-11-10 |
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Families Citing this family (1)
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CN108032403A (en) * | 2018-01-29 | 2018-05-15 | 湖南万华生态板业有限公司 | A kind of rice husk processing method in the production for particieboard |
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FR1591581A (en) * | 1968-05-22 | 1970-05-04 | ||
GB1451342A (en) * | 1973-01-16 | 1976-09-29 | British Steel Corp | Scrap preparation |
CN1065780A (en) * | 1992-04-29 | 1992-11-04 | 郭明远 | Production method of fast-food corn flour |
DE19500224A1 (en) * | 1995-01-05 | 1996-07-18 | Dietmar Guschall | Process for the preparation of mixed plastics |
CN101767945A (en) * | 2008-12-30 | 2010-07-07 | 上海德滨机械设备科技有限公司 | Method for preparing low soil content reclaimed aggregate |
CN102742723A (en) * | 2012-02-13 | 2012-10-24 | 郭子富 | Preparation method for leymus chinensis grain pulp |
CN103230825B (en) * | 2013-04-29 | 2016-03-23 | 嵊州宝钒硅藻土有限公司 | A kind of diatomite crushing drying device |
CN103964176A (en) * | 2014-05-19 | 2014-08-06 | 山东华联矿业股份有限公司 | Ore dividing system |
CN104923374A (en) * | 2015-07-01 | 2015-09-23 | 重庆市睿拓建材有限公司 | Multistage fine crushing production process of find sand for buildings |
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Denomination of invention: Material crushing method Effective date of registration: 20180702 Granted publication date: 20171110 Pledgee: China postal savings bank, Surabaya County branch, Limited by Share Ltd Pledgor: SHANDONG GUANFENG MACHINERY CO., LTD. Registration number: 2018370000119 |