CN102728269A - Continuous mixing method and device for powdery materials - Google Patents
Continuous mixing method and device for powdery materials Download PDFInfo
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- CN102728269A CN102728269A CN2012102433484A CN201210243348A CN102728269A CN 102728269 A CN102728269 A CN 102728269A CN 2012102433484 A CN2012102433484 A CN 2012102433484A CN 201210243348 A CN201210243348 A CN 201210243348A CN 102728269 A CN102728269 A CN 102728269A
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Abstract
The invention discloses a continuous mixing method and device for powdery materials. The invention is characterized in that: a combined mixing mode combining a two-stage mechanical agitated bulk-breaking mixing mode and a primary pneumatic homogenized mixing mode is adopted; and the combined mixing mode is as follows: materials which are simultaneously fed into a mixing device in proportions are sequentially subjected to first-level mechanical agitated bulk-breaking mixing, second-level mechanical agitated bulk-breaking mixing and bottom pneumatic homogenized mixing in accordance with the gravity thereof from top to bottom so as to complete a mixing process. According to the invention, through the organic combination of mechanical mixing and pneumatic homogenized mixing, the mixing effect is good; and the mixing device is of a vertical structure, therefore, the mixing device is small in floor space and flexible in process arrangement.
Description
Technical field
The present invention relates to continuous method for mixing of a kind of granular material and device.
Background technology
The granular material mixing apparatus great majority that adopt in the at present domestic and international enterprise all are flat mixer or spiral vertical mixer.The flat mixer operation principle is through the blade that is arranged on the power transmission shaft granular material to be carried out mechanical agitation, is the basis with the circular motion and the axially-movable of material, thereby reaches the batch mixing purpose.Flat mixer is level to be installed, and in the process of work, needs enough power to overcome the resistance of material, has that installed power is big, energy consumption is high, production efficiency is low, floor space is big and problem such as technology arrangement very flexible.Mostly vertical mixer is that multiaxis drives cone and screw mixer.Vertical mixer is owing to the structural limitations of itself, and the easy generation of mixing of materials dead angle, dead point, segregation phenomenon are seriously in the course of the work, the ramming material of conical shell inside is serious simultaneously.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, a kind of continuous method for mixing of granular material and device that adaptability is strong, speed is fast, efficient is high, energy consumption is low, occupy little space that mix being provided.
The present invention adopts following technical scheme for the technical solution problem:
The characteristics of the continuous method for mixing of granular material of the present invention are to adopt the combination mixing method of two-stage mechanical agitation broken group batch mixing and one-level strength homogenizing batch mixing; Said combination mixing method is with the material that gets into mixing device in proportion simultaneously, accomplishes the batch mixing process through the broken group of first order mechanical agitation batch mixing, second level mechanical agitation broken group batch mixing and bottom strength homogenizing batch mixing continuously from top to bottom according to gravity.
The design feature of the continuous mixing device of granular material of the present invention is: said mixing device is vertical structure; The aggregate bin that is used for two or more granular material charging is arranged on the top of said mixing device, be positioned at said aggregate bin the below, be on the same central axis position, set gradually from top to bottom: one-level batch mixing chamber, be connected blanking channel, the secondary batch mixing chamber between one-level batch mixing chamber and the secondary batch mixing chamber and be undertaken on the strength levelling chamber of the below of secondary batch mixing chamber.
The design feature of the continuous mixing device of granular material of the present invention also is:
In said one-level batch mixing chamber, be undertaken on aggregate bin below, be and be horizontally disposed with by the motor-driven spreading disk of spreading, the spreading disk stirring vane is set on the card of said spreading disk.
In said secondary batch mixing chamber, be and be horizontally disposed with by the motor-driven batch mixing dish that has the batch mixing blade of batch mixing, ring-type spreading grid are set in the periphery of said batch mixing dish, the vertical fence in the said ring-type spreading grid is a clava.
Bottom in said strength levelling chamber is provided with strength homogenizing bed, and said strength homogenizing bed is the air permeable plate that is covered with the air-flow through hole, and compressed air imports strength levelling chamber through air supply pipe and the air-flow through hole on said strength homogenizing bed.
Between said one-level batch mixing chamber and secondary batch mixing chamber, burden-guiding cone is set, said burden-guiding cone top is undertaken on the bottom of blanking channel in the one-level batch mixing chamber, and the bottom awl mouth of burden-guiding cone is docked at the central authorities of batch mixing dish in the said secondary batch mixing chamber.
In said strength levelling chamber, the top that is positioned at said strength homogenizing bed is provided with material controlling awl down at a gulp.
Compared with present technology, beneficial effect of the present invention is embodied in:
The present invention in the Flow of Goods and Materials process, stirs mechanical batch mixing and strength homogenizing organic assembling broken group, mixes, leads through the one-level to material, stirs broken group once more and mixes the last purpose that reaches mixed material with the strength homogenizing.Its mixed process is in material falls motion, to accomplish, and in mixed process, has considered the broken group of presumable material piece in the material simultaneously.Installed power of the present invention is merely about 20% of horizontal batch mixer, and energy-saving effect very significantly.For example, designed capacity is 200m
3The combined type batch mixer installed power ﹤ 10kW of/h, and horizontal batch mixer is about 75kW.The present invention mixes that adaptability is strong, speed is fast, efficient is high, energy consumption is low, occupies little space.Its vertical mounting process flexible arrangement.
Description of drawings
Fig. 1 is a facade structures sketch map of the present invention;
Fig. 2 is batch mixing dish structural representation among the present invention;
Fig. 3 is ring-type spreading grid structural representation among the present invention.
The specific embodiment
The continuous method for mixing of granular material is the combination mixing method that adopts two-stage mechanical agitation broken group batch mixing and one-level strength homogenizing batch mixing in the present embodiment.The combination mixing method is with the material that gets into mixing device in proportion simultaneously, accomplishes the batch mixing process through the broken group of first order mechanical agitation batch mixing, second level mechanical agitation broken group batch mixing and bottom strength homogenizing batch mixing continuously from top to bottom according to gravity.
Referring to Fig. 1, Fig. 2 and Fig. 3, the version of the continuous mixing device of granular material is in the present embodiment:
Mixing device is set to vertical structure; The aggregate bin 1 that is used for two or more granular material charging is arranged on the top of said mixing device; Be positioned at said aggregate bin 1 the below, be on the same central axis position, set gradually from top to bottom: one-level batch mixing chamber 3, be connected blanking channel 7, the secondary batch mixing chamber 8 between one-level batch mixing chamber 3 and the secondary batch mixing chamber 8 and be undertaken on the strength levelling chamber 16 of the below of secondary batch mixing chamber 8; Blanking channel 7 can be twice or multiple tracks, and each road blanking channel is evenly arranged along circumference.
In the practical implementation, the corresponding structure setting also comprises:
In said one-level batch mixing chamber 3, be undertaken on aggregate bin 1 below; Be and be horizontally disposed with the spreading disk 5 that drives by spreading motor 6; Spreading disk stirring vane 41 is set on the card of said spreading disk 5; The rotating shaft of spreading disk 5 extends upward to the tremie pipe 2 of aggregate bin 1, and tremie pipe stirring vane 42 is installed, so that batch mixing and blanking smoothly.
In said secondary batch mixing chamber, be and be horizontally disposed with the batch mixing dish 10 that has batch mixing blade 12 that drives by batch mixing motor 11; Ring-type spreading grid 13 are set in the periphery of said batch mixing dish 10, and the vertical fence in the said ring-type spreading grid 13 is clava 14 (as shown in Figures 2 and 3).
Be provided with strength homogenizing bed 17 in the bottom of strength levelling chamber 16, said strength homogenizing bed 17 is for being covered with the air permeable plate of air-flow through hole, and compressed air imports strength levelling chamber 16 through air supply pipe 18 and the air-flow through hole on said strength homogenizing bed 17; Realize the material on the homogenizing bed is carried out homogenizing, stirring and wriggling through changing compressed-air actuated air pressure size.
Between one-level batch mixing chamber 3 and secondary batch mixing chamber 8, burden-guiding cone 9 is set, said burden-guiding cone 9 tops are undertaken on the bottom of blanking channel 7 in the one-level batch mixing chamber, and the bottom awl mouth of burden-guiding cone 9 is docked at the central authorities of batch mixing dish 10 in the said secondary batch mixing chamber.
In strength levelling chamber 16, the top that is positioned at said strength homogenizing bed 17 is provided with material controlling awl 15 down at a gulp; Material controlling awl not only is used for guide, and the mobile effect that makes progress of control material is also arranged when the bottom materials flow seethe with excitement under the strength effect, correspondingly, strength homogenizing bed 17 be set to tapering slightly towards centroclinal inclined-plane;
Discharging opening is positioned at the center of strength homogenizing bed, and discharge nozzle 19 is plugged in the discharging opening; Discharge nozzle 19 is set to the version that can stretch up and down, through the height that adjustment discharge nozzle 19 stretches out in discharging opening, realizes the automatic overflow of material on strength homogenizing bed 17.
Operation principle:
Two or more granular material is by the aggregate bin 1 of proportioning entering batch mixer top, and the materials flow merging is after tremie pipe 2 gets into one-level batch mixing chambers 3; Material is fallen on the spreading disk 5, and spreading disk 5 is fast rotational under the driving of spreading motor 6; Fall on the spreading disk 5 material and under the effect of spreading disk stirring vane 41, disperseed rapidly and interpenetrate, caking that possibly wrap in the material simultaneously or material group are broken, and material is accomplished mechanical premixed process in one-level batch mixing chamber.
Material after premixed gets into secondary batch mixing chamber 8 through blanking channel 7 and burden-guiding cone 9; Fall and be located on the indoor batch mixing dish 10 of secondary batch mixing; Batch mixing dish 10 is fast rotational under the driving of batch mixing motor 11; Batch mixing dish 10 is provided with batch mixing blade 12; Fall the radial motion of material batch mixing blade 12 in the centrifugal action lower edge at the center of batch mixing dish 10, leave batch mixing dish 10 fast and pass the ring-type spreading grid 13 that are fixed on the secondary batch mixing chamber interior walls, ring-type spreading grid 13 are made up of the clava 14 of some vertical layouts; Play dispersion and change the material particles direction of motion, the corrasion of reduction batch mixing chamber interior walls, material is accomplished mechanical type mixed process in secondary batch mixing chamber.
Under the acting in conjunction of batch mixing dish 10 and secondary batch mixing chamber 8 internal negative pressure environment, material is forced and is controlled in the zone that is provided with clava 14, drops on the outward flange of strength homogenizing bed 17 through the outward flange of material controlling awl 15 and the inwall of strength levelling chamber 16.The material of falling on strength homogenizing bed 17 outward flanges is fluidized state under compressed-air actuated effect, and is compiled to the discharging opening that is arranged on strength homogenizing bed 17 centers by the outward flange of strength homogenizing bed 17, draws off automatically through discharge nozzle 19.
Claims (7)
1. the continuous method for mixing of granular material is characterized in that adopting the two-stage mechanical agitation to break the combination mixing method of group's batch mixing and one-level strength homogenizing batch mixing; Said combination mixing method is with the material that gets into mixing device in proportion simultaneously, accomplishes the batch mixing process through the broken group of first order mechanical agitation batch mixing, second level mechanical agitation broken group batch mixing and bottom strength homogenizing batch mixing continuously from top to bottom according to gravity.
2. continuous mixing device of granular material; It is characterized in that: said mixing device is vertical structure; The aggregate bin (1) that is used for two or more granular material charging is arranged on the top of said mixing device, be positioned at said aggregate bin (1) the below, be on the same central axis position, set gradually from top to bottom: one-level batch mixing chamber (3), be connected blanking channel (7), the secondary batch mixing chamber (8) between one-level batch mixing chamber (3) and the secondary batch mixing chamber (8) and be undertaken on the strength levelling chamber (16) of the below of secondary batch mixing chamber (8).
3. the continuous mixing device of granular material according to claim 2; It is characterized in that in said one-level batch mixing chamber (3), be undertaken on the below of aggregate bin (1); Be the spreading disk (5) that is horizontally disposed with by spreading motor (6) driving, spreading disk stirring vane (41) is set on the card of said spreading disk (5).
4. the continuous mixing device of granular material according to claim 2; It is characterized in that in said secondary batch mixing chamber, being the batch mixing dish (10) that has batch mixing blade (12) that is horizontally disposed with by batch mixing motor (11) driving; In the periphery of said batch mixing dish (10) ring-type spreading grid (13) are set, the vertical fence in the said ring-type spreading grid (13) is clava (14).
5. the continuous mixing device of granular material according to claim 2; It is characterized in that being provided with strength homogenizing bed (17) in the bottom of said strength levelling chamber (16); Said strength homogenizing bed (17) is for being covered with the air permeable plate of air-flow through hole, and compressed air imports strength levelling chamber (16) through air supply pipe (18) and the air-flow through hole on said strength homogenizing bed (17).
6. the continuous mixing device of granular material according to claim 2; It is characterized in that between said one-level batch mixing chamber (3) and secondary batch mixing chamber (8), burden-guiding cone (9) being set; Said burden-guiding cone (9) top is undertaken on the bottom of blanking channel (7) in the one-level batch mixing chamber, and the bottom awl mouth of burden-guiding cone (9) is docked at the central authorities of batch mixing dish (10) in the said secondary batch mixing chamber.
7. the continuous mixing device of granular material according to claim 2 is characterized in that in said strength levelling chamber (16), and the top that is positioned at said strength homogenizing bed (17) is provided with material controlling awl (15) down at a gulp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243348.4A CN102728269B (en) | 2012-07-13 | 2012-07-13 | Continuous mixing method and device for powdery materials |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210243348.4A CN102728269B (en) | 2012-07-13 | 2012-07-13 | Continuous mixing method and device for powdery materials |
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| CN102728269A true CN102728269A (en) | 2012-10-17 |
| CN102728269B CN102728269B (en) | 2014-09-10 |
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| CN201210243348.4A Active CN102728269B (en) | 2012-07-13 | 2012-07-13 | Continuous mixing method and device for powdery materials |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043370A (en) * | 2014-06-30 | 2014-09-17 | 周啸 | Continuous powdery material mixing device |
| CN104667809A (en) * | 2015-01-27 | 2015-06-03 | 上海砼之光建筑机械有限公司 | High-speed nano cementing material mixing device |
| CN107159574A (en) * | 2017-05-31 | 2017-09-15 | 盐城市成功机械制造有限公司 | A kind of new spreading disk device of powder concentrator |
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| JP2001334138A (en) * | 2000-05-29 | 2001-12-04 | Kawata Mfg Co Ltd | Loader hopper |
| CN1579607A (en) * | 2003-07-31 | 2005-02-16 | 中国石油化工股份有限公司 | Solid powder continuous mixing machine |
| CN201597119U (en) * | 2010-01-30 | 2010-10-06 | 张天兵 | Pneumatic and mechanical compound material mixer for powder materials |
| CN201676662U (en) * | 2010-05-10 | 2010-12-22 | 浙江恒丰泰减速机制造有限公司 | Combined type stirring device |
| CN202621096U (en) * | 2012-07-13 | 2012-12-26 | 周啸 | Power material continuous mixing device |
-
2012
- 2012-07-13 CN CN201210243348.4A patent/CN102728269B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334138A (en) * | 2000-05-29 | 2001-12-04 | Kawata Mfg Co Ltd | Loader hopper |
| CN1579607A (en) * | 2003-07-31 | 2005-02-16 | 中国石油化工股份有限公司 | Solid powder continuous mixing machine |
| CN201597119U (en) * | 2010-01-30 | 2010-10-06 | 张天兵 | Pneumatic and mechanical compound material mixer for powder materials |
| CN201676662U (en) * | 2010-05-10 | 2010-12-22 | 浙江恒丰泰减速机制造有限公司 | Combined type stirring device |
| CN202621096U (en) * | 2012-07-13 | 2012-12-26 | 周啸 | Power material continuous mixing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043370A (en) * | 2014-06-30 | 2014-09-17 | 周啸 | Continuous powdery material mixing device |
| CN104667809A (en) * | 2015-01-27 | 2015-06-03 | 上海砼之光建筑机械有限公司 | High-speed nano cementing material mixing device |
| CN107159574A (en) * | 2017-05-31 | 2017-09-15 | 盐城市成功机械制造有限公司 | A kind of new spreading disk device of powder concentrator |
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| CN102728269B (en) | 2014-09-10 |
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