CN103521333A - Smashing and two-stage sorting process and system - Google Patents

Smashing and two-stage sorting process and system Download PDF

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Publication number
CN103521333A
CN103521333A CN201310456684.1A CN201310456684A CN103521333A CN 103521333 A CN103521333 A CN 103521333A CN 201310456684 A CN201310456684 A CN 201310456684A CN 103521333 A CN103521333 A CN 103521333A
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China
Prior art keywords
pulverizing
powder concentrator
dust
particulate
precipitator
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CN201310456684.1A
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Chinese (zh)
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CN103521333B (en
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郝志刚
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长沙深湘通用机器有限公司
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Priority to CN201310456684.1A priority Critical patent/CN103521333B/en
Publication of CN103521333A publication Critical patent/CN103521333A/en
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Abstract

The invention discloses a smashing and two-stage sorting process which comprises steps as follows: (1), a smashed material is fed into a cascade flow type powder concentrator, a mixture of fine grains and fine powder are sorted; (2), the fine grains and the fine powder are fed into a dust collector with gas of the cascade flow type powder concentrator, and the gas is separated from the fine grains and the fine powder; and (3) the mixture of the fine grains and the fine powder is fed into a fine powder concentrator, and the fine grains and the fine powder are sorted. According to the smashing and two-stage sorting process, the cascade flow type powder concentrator and the fine powder concentrator are adopted in the technological process for separating the fine grains and the fine powder, so that the problems of high power consumption and steel consumption, low yield and high fault rate during production of a prior art are solved. The invention further discloses a smashing and two-stage sorting system.

Description

A kind of pulverizing and two-stage sorting process and pulverizing and two-stage separation system
Technical field
The present invention relates to pulverize and sorting process technical field, more particularly, relate to a kind of pulverizing and two-stage sorting process and pulverizing and two-stage separation system.
Background technology
In prior art is produced, when need two kinds of products in disintegrating process, as particulate and fine powder; Sometimes also need a stricter grain size intervals, especially to particulate product, for example, require to produce the product of 1mm~0.1mm grain size intervals, and it is few to require to be less than the powder of 0.1mm.In existing industrial production, generally can adopt the technique of twice screening, i.e. fine sizing and fine powder sieving, the shortcoming of this technique is that the screening efficiency of particulate is very low, the screening efficiency of fine powder is lower.Said particulate refers generally to below several millimeters herein, for example, be less than 2 millimeters, or is less than 1 millimeter etc., and fine powder generally refers to and is less than 0.1 millimeter, 0.046 millimeter etc.
Alternative plan is that graded shot adopts screening machine in addition in the prior art, and sorting fine powder adopts powder concentrator, although this kind of technique can solve the problem of fine powder sorting, the screening mode of particulate still makes the production efficiency of whole technique very low.
Adopt screening machine and powder concentrator graded shot and fine powder to there is following shortcoming: 1, low for the screening efficiency of particulate and fine powder, a large amount of qualified particles can not be separated; 2, output is very low; 3, the consumption of energy consumption and consumable accessory is large.
Therefore, how to improve the efficiency of pulverizing and separation system, reduce energy consumption and fault rate, become those skilled in the art's technical problem urgently to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of pulverizing and two-stage sorting process, to improve the efficiency of separation, reduce energy consumption and fault rate;
Another object of the present invention is to provide a kind of pulverizing and two-stage separation system.
For achieving the above object, the invention provides following technical scheme:
And a two-stage sorting process, comprise step:
1) material after pulverizer is pulverized feeds waterfall streaming powder concentrator, sub-elects the mixture of particulate and fine powder;
2) particulate and fine powder are sent into dust-precipitator with the gas of waterfall streaming powder concentrator, gas is separated with fine powder with particulate;
3) mixture of particulate and fine powder is sent into fine powder powder concentrator, sub-elect particulate and fine powder.
Preferably, in above-mentioned pulverizing and two-stage sorting process, described step 1) specifically comprises:
11) material after pulverizer is pulverized feeds waterfall streaming powder concentrator, sub-elects mixture and the middle particulate of particulate and fine powder;
12) coarse grain after the sorting of waterfall streaming powder concentrator is returned in pulverizer and pulverized.
Preferably, in above-mentioned pulverizing and two-stage sorting process, described pulverizer is vertical grinder, column mill or the fine crusher to roller, roll squeezer, impact breaker, hammer mill, ball mill, rod mill, Raymond machine, bottom discharge.
Preferably, in above-mentioned pulverizing and two-stage sorting process, described dust-precipitator is cyclone separator or bag type dust collector.
Preferably, in above-mentioned pulverizing and two-stage sorting process, described dust-precipitator is the secondary dust collecting being comprised of cyclone separator and bag type dust collector.
And a two-stage separation system, comprising:
Pulverizer;
Waterfall streaming powder concentrator, the feeding mouth of described waterfall streaming powder concentrator is communicated with the discharging opening of described pulverizer;
Dust-precipitator, the feeding mouth of described dust-precipitator is communicated with the particulate outlet of described waterfall streaming powder concentrator;
Fine powder powder concentrator, the feeding mouth of described fine powder powder concentrator is communicated with the discharging opening of described dust-precipitator.
Preferably, in above-mentioned pulverizing and two-stage separation system, the outlet of the coarse fodder of described waterfall streaming powder concentrator is communicated with the feeding mouth of described pulverizer.
Preferably, in above-mentioned pulverizing and two-stage separation system, described pulverizer is vertical grinder or the fine crusher to roller, roll squeezer, impact breaker, hammer mill, ball mill, rod mill, Raymond machine, bottom discharge.
Preferably, in above-mentioned pulverizing and two-stage separation system, described dust-precipitator is cyclone separator or bag type dust collector.
Preferably, in above-mentioned pulverizing and two-stage separation system, described dust-precipitator is the secondary dust collecting being comprised of cyclone separator and bag type dust collector.
And a two-stage separation system, comprising:
Column mill;
Waterfall streaming powder concentrator, the feeding mouth of described waterfall streaming powder concentrator is communicated with the discharging opening of described column mill, and the coarse fodder outlet of described waterfall streaming powder concentrator is communicated with the feeding mouth of described column mill;
Dust-precipitator, the feeding mouth of described dust-precipitator is communicated with the particulate outlet of described waterfall streaming powder concentrator.
Preferably, in above-mentioned pulverizing and two-stage separation system, particulate outlet in also having on described waterfall streaming powder concentrator.
From above-mentioned technical scheme, can find out, pulverizing provided by the invention and two-stage sorting process have following technique effect:
1, adopt waterfall streaming powder concentrator as a sorting, make the efficiency of separation higher, so output significantly increases;
2,, because output is larger, therefore make the economize on electricity of pulverizing and two-stage separation system, the amplitude of joint steel is larger, so producing cost is very low;
3, the wearing and tearing of waterfall streaming powder concentrator are very little, pulverize and secondary selects wearing and tearing and the fault of equipment of powder also lower, so the reliability of whole process system are high;
4, due to pulverize and two-stage separation system to adopt negative pressure and airtight and whole connections be to rely on pipeline, and rely on dust-precipitator collecting product, therefore whole pulverizing and two-stage separation system no dust pollution, want environment-friendly dustless than former sieving technology;
5,, because firsts and seconds selects the unit disposal ability of powder equipment large, for the process system that has large output to require, need not join many cover screening plants, so process system is simpler.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The pulverizing that Fig. 1 provides for the embodiment of the present invention and the structural representation of two-stage separation system;
The profile schematic diagram of the waterfall streaming powder concentrator that Fig. 2 provides for the embodiment of the present invention.
The specific embodiment
Core of the present invention is to provide a kind of pulverizing and two-stage sorting process, to improve the efficiency of separation, reduces energy consumption and fault rate;
Another core of the present invention is to provide a kind of pulverizing and two-stage separation system.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The pulverizing that the embodiment of the present invention provides and two-stage sorting process, comprise the steps:
1, pulverizer feeds waterfall streaming powder concentrator by the material after pulverizing, and sub-elects the mixture of particulate and fine powder;
The feeding mouth that material after pulverizing is fed to waterfall streaming powder concentrator, feeding mouth is on the top of waterfall streaming powder concentrator.Gas enters from the gas feed on waterfall streaming powder concentrator the right at a high speed after pressurizeing by blower fan, by high-speed gas, produced afterwards the separated effect of thickness with the contact of the material feeding, particulate and fine powder and gas are discharged from the upper left particulate outlet of waterfall streaming powder concentrator.The particulate outlet from waterfall streaming powder concentrator lower left of middle particulate is discharged and can become finished product together with particulate, also can become independent middle particulate product.
2, particulate and fine powder are sent into dust-precipitator with the gas of waterfall streaming powder concentrator, gas is separated with fine powder with particulate.
3, the mixture of particulate and fine powder is sent into fine powder powder concentrator, sub-elect particulate and fine powder.
The size of particulate and fine powder can obtain by controlling waterfall streaming powder concentrator and fine powder powder concentrator the product of size fractionated, the particulate product of for example-2mm~+ 0.037mm, the fine powder product of 0~0.037mm.
The present invention adopts waterfall streaming powder concentrator and fine powder powder concentrator for the separated technological process of particulate and fine powder part in the separating technology of two kinds of grades or two or more grades, has changed that in existing explained hereafter, power consumption is large, steel consumption is large, has yielded poorly and fault high problem again.
In the present invention's one specific embodiment, step 1 specifically comprises the steps:
11, the material after pulverizer pulverizing feeds waterfall streaming powder concentrator, sub-elects mixture and the middle particulate of particulate and fine powder;
12, the coarse grain after the sorting of waterfall streaming powder concentrator is returned in pulverizer and pulverized, select the coarse grain after powder to discharge and return pulverizer and pulverize again from the coarse fodder outlet of waterfall streaming powder concentrator bottom.The middle particulate that the outlet of middle particulate is discharged both can be mixed into finished product with particulate, also can be separately as a kind of product of slightly coarse grain.
In the present invention's one specific embodiment, pulverizer is vertical grinder, column mill or the fine crusher to roller, roll squeezer, impact breaker, hammer mill, ball mill, rod mill, Raymond machine, bottom discharge.The preferential column mill that adopts.The principle of column mill and structure are a kind of grinding machines of vertical working, one support is housed on the main shaft of its rotation, several grinding rollers are installed on the periphery of support, grinding roller is worked under the situation of rotation and revolution, between grinding roller and corresponding mill, there is adjustable gap, grinding roller and mill are in tilted layout, this grinding machine top feed, bottom discharge.
In the present invention's one specific embodiment, dust-precipitator is single dust-precipitator, for example, can be cyclone separator or bag type dust collector.Dust-precipitator also can gather dust for the two-stage being comprised of cyclone separator and bag type dust collector, and wherein one-level is gathered dust as rotoclone collector, and secondary gathers dust as bagroom.
Refer to Fig. 1 and Fig. 2, the pulverizing that Fig. 1 provides for the embodiment of the present invention and the structural representation of two-stage separation system; The profile schematic diagram of the waterfall streaming powder concentrator that Fig. 2 provides for the embodiment of the present invention.
The pulverizing that the embodiment of the present invention provides and two-stage separation system, comprise pulverizer 1, waterfall streaming powder concentrator 2, dust-precipitator 3 and fine powder powder concentrator 4.
Wherein, the feeding mouth 22 of waterfall streaming powder concentrator 2 is communicated with the discharging opening of pulverizer 1, and the feeding mouth of dust-precipitator 3 is communicated with the particulate outlet 21 of waterfall streaming powder concentrator 2, and the feeding mouth of fine powder powder concentrator 4 is communicated with the discharging opening of dust-precipitator 3.
Material to be broken is put into pulverizer 1 pulverizing, and the material after pulverizing enters waterfall streaming powder concentrator.Gas enters from the gas feed on waterfall streaming powder concentrator the right at a high speed after pressurizeing by blower fan, by high-speed gas, produced afterwards the separated effect of thickness with the contact of the material feeding, particulate and fine powder and gas are discharged from the upper left particulate outlet of waterfall streaming powder concentrator.
The pulverizing that the embodiment of the present invention provides and two-stage separation system adopt waterfall streaming powder concentrator as a sorting, make the efficiency of separation higher, so output significantly increase, because output is larger, therefore make the economize on electricity of pulverizing and two-stage separation system, the amplitude of joint steel is larger, so producing cost is very low.The wearing and tearing of waterfall streaming powder concentrator are very little, pulverize and secondary selects wearing and tearing and the fault of equipment of powder also lower, so the reliability of whole process system are high.Owing to pulverizing and the negative pressure work of two-stage separation system and airtight and whole connections are to rely on pipeline, and rely on dust-precipitator collecting product, so whole pulverizing and two-stage separation system no dust pollution, than former sieving technology, want environment-friendly dustless.Because firsts and seconds selects the unit disposal ability of powder equipment large, for the process system that has large output to require, need not join many cover screening plants, so process system is simpler.
In the present invention's one specific embodiment, the coarse fodder of waterfall streaming powder concentrator 2 outlet 24 is communicated with the feeding mouth of pulverizer 1.Coarse grain after the sorting of waterfall streaming powder concentrator is returned in pulverizer and pulverize again, select the coarse grain after powder to discharge and return pulverizer and pulverize again from the coarse fodder outlet of waterfall streaming powder concentrator bottom.In middle particulate outlet 25 discharges, particulate can be mixed into finished product with particulate, also can become separately a kind of slightly thick product, and middle particulate outlet 25 can also be closed.
In the present invention's one specific embodiment, pulverizer is to roller, roll squeezer, impact breaker, hammer mill, ball mill, rod mill, Raymond machine, the vertical grinder of bottom discharge or fine crusher.
In the present invention's one specific embodiment, dust-precipitator is single dust-precipitator, for example, can be cyclone separator or bag type dust collector.Dust-precipitator also can gather dust for the two-stage being comprised of cyclone separator and bag type dust collector, and wherein one-level is gathered dust as rotoclone collector, and secondary gathers dust as bagroom.
The pulverizer 1 of the disclosed pulverizing of above-described embodiment and two-stage separation system also can be replaced by column mill, and the feeding mouth 22 of waterfall streaming powder concentrator 2 is communicated with the discharging opening of column mill, and the coarse fodder outlet 24 of waterfall streaming powder concentrator 2 is communicated with the feeding mouth of described column mill.
The principle of column mill and structure are a kind of grinding machines of vertical working, one support is housed on the main shaft of its rotation, several grinding rollers are installed on the periphery of support, grinding roller is worked under the situation of rotation and revolution, between grinding roller and corresponding mill, there is adjustable gap, grinding roller and mill are in tilted layout, this grinding machine top feed, bottom discharge.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (12)

1. pulverizing and a two-stage sorting process, is characterized in that, comprises step:
1) material after pulverizer is pulverized feeds waterfall streaming powder concentrator, sub-elects the mixture of particulate and fine powder;
2) particulate and fine powder are sent into dust-precipitator with the gas of waterfall streaming powder concentrator, gas is separated with fine powder with particulate;
3) mixture of particulate and fine powder is sent into fine powder powder concentrator, sub-elect particulate and fine powder.
2. pulverizing as claimed in claim 1 and two-stage sorting process, is characterized in that, described step 1) specifically comprises:
11) material after pulverizer is pulverized feeds waterfall streaming powder concentrator, sub-elects mixture and the middle particulate of particulate and fine powder;
12) coarse grain after the sorting of waterfall streaming powder concentrator is returned in pulverizer and pulverized.
3. pulverizing as claimed in claim 2 and two-stage sorting process, it is characterized in that, described pulverizer is vertical grinder, column mill or the fine crusher to roller, roll squeezer, impact breaker, hammer mill, ball mill, rod mill, Raymond machine, bottom discharge.
4. pulverizing as claimed in claim 1 and two-stage sorting process, is characterized in that, described dust-precipitator is cyclone separator or bag type dust collector.
5. pulverizing as claimed in claim 1 and two-stage sorting process, is characterized in that, described dust-precipitator is the secondary dust collecting being comprised of cyclone separator and bag type dust collector.
6. pulverizing and a two-stage separation system, is characterized in that, comprising:
Pulverizer (1);
Waterfall streaming powder concentrator (2), the feeding mouth (22) of described waterfall streaming powder concentrator (2) is communicated with the discharging opening of described pulverizer (1);
Dust-precipitator (3), the feeding mouth of described dust-precipitator (3) is communicated with the particulate outlet (21) of described waterfall streaming powder concentrator (2);
Fine powder powder concentrator (4), the feeding mouth of described fine powder powder concentrator (4) is communicated with the discharging opening of described dust-precipitator (3).
7. pulverizing as claimed in claim 6 and two-stage separation system, is characterized in that, the coarse fodder outlet (24) of described waterfall streaming powder concentrator (2) is communicated with the feeding mouth of described pulverizer (1).
8. pulverizing as claimed in claim 6 and two-stage separation system, is characterized in that, described pulverizer is vertical grinder or the fine crusher to roller, roll squeezer, impact breaker, hammer mill, ball mill, rod mill, Raymond machine, bottom discharge.
9. pulverizing as claimed in claim 6 and two-stage separation system, is characterized in that, described dust-precipitator is cyclone separator or bag type dust collector.
10. pulverizing as claimed in claim 6 and two-stage separation system, is characterized in that, described dust-precipitator is the secondary dust collecting being comprised of cyclone separator and bag type dust collector.
11. 1 kinds of pulverizing and two-stage separation system, is characterized in that, comprising:
Column mill;
Waterfall streaming powder concentrator (2), the feeding mouth (22) of described waterfall streaming powder concentrator (2) is communicated with the discharging opening of described column mill, and the coarse fodder outlet (24) of described waterfall streaming powder concentrator (2) is communicated with the feeding mouth of described column mill;
Dust-precipitator (3), the feeding mouth of described dust-precipitator (3) is communicated with the particulate outlet (21) of described waterfall streaming powder concentrator (2).
12. pulverizing as claimed in claim 11 and two-stage separation system, is characterized in that, described waterfall streaming powder concentrator (2) is upper also has middle particulate to export (25).
CN201310456684.1A 2013-09-29 2013-09-29 A kind of to pulverize and two-stage sorting process and pulverizing and two-stage separation system CN103521333B (en)

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN104138782A (en) * 2014-08-01 2014-11-12 苏州多贝机械科技有限公司 Novel epoxy resin paint smashing device
CN104384007A (en) * 2014-11-12 2015-03-04 中冶焦耐工程技术有限公司 Process and device for preparing lime powder for KR desulfurizing agent
CN105032583A (en) * 2015-08-28 2015-11-11 长沙深湘通用机器有限公司 Coarse grain sorting method based on gas sorting machines and crusher
CN105057071A (en) * 2015-08-28 2015-11-18 长沙深湘通用机器有限公司 Coarse gain crushing and separation process
CN105107597A (en) * 2015-08-28 2015-12-02 长沙深湘通用机器有限公司 Coarse grain sorting method based on gas sorting machine and column mill
RU2598909C2 (en) * 2014-11-25 2016-10-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Донской государственный аграрный университет Method and device for grinding grain
CN109092520A (en) * 2018-08-03 2018-12-28 盐城市鼎力新材料有限公司 A kind of levigate treatment process of coal ash sorting

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CN101972696A (en) * 2010-08-30 2011-02-16 天津精华石化有限公司 Production system of desulfurized limestone powder in circulating fluidized bed (CFB) boiler
CN102009041A (en) * 2010-10-13 2011-04-13 天津精华石化有限公司 Wind powder-selecting system for column mill
CN102247949A (en) * 2011-06-08 2011-11-23 河南中隆科技有限责任公司 Superfine powder concentrator

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JP2000210587A (en) * 1999-01-26 2000-08-02 Ube Ind Ltd Crusher
CN1544160A (en) * 2003-11-25 2004-11-10 高根树 Pin wheel rotor powder concentrator
US20090218423A1 (en) * 2008-02-28 2009-09-03 Elsing Robert J Apparatus and method for collecting and crushing seashells on a beach
CN101972696A (en) * 2010-08-30 2011-02-16 天津精华石化有限公司 Production system of desulfurized limestone powder in circulating fluidized bed (CFB) boiler
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104138782A (en) * 2014-08-01 2014-11-12 苏州多贝机械科技有限公司 Novel epoxy resin paint smashing device
CN104384007A (en) * 2014-11-12 2015-03-04 中冶焦耐工程技术有限公司 Process and device for preparing lime powder for KR desulfurizing agent
RU2598909C2 (en) * 2014-11-25 2016-10-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Донской государственный аграрный университет Method and device for grinding grain
CN105032583A (en) * 2015-08-28 2015-11-11 长沙深湘通用机器有限公司 Coarse grain sorting method based on gas sorting machines and crusher
CN105057071A (en) * 2015-08-28 2015-11-18 长沙深湘通用机器有限公司 Coarse gain crushing and separation process
CN105107597A (en) * 2015-08-28 2015-12-02 长沙深湘通用机器有限公司 Coarse grain sorting method based on gas sorting machine and column mill
CN109092520A (en) * 2018-08-03 2018-12-28 盐城市鼎力新材料有限公司 A kind of levigate treatment process of coal ash sorting

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