CN1057238C - Combined powder mixture homogenizing system - Google Patents
Combined powder mixture homogenizing system Download PDFInfo
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- CN1057238C CN1057238C CN97109113A CN97109113A CN1057238C CN 1057238 C CN1057238 C CN 1057238C CN 97109113 A CN97109113 A CN 97109113A CN 97109113 A CN97109113 A CN 97109113A CN 1057238 C CN1057238 C CN 1057238C
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- homogenizing
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- feed bin
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- 239000000203 mixture Substances 0.000 title claims description 11
- 239000000843 powder Substances 0.000 title claims description 4
- 238000007599 discharging Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 abstract description 19
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012254 powdered material Substances 0.000 description 1
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Abstract
The present invention relates to a combined and mixed type powdery material homogenizing system. The combined and mixed type powdery material homogenizing system is formed by connecting n levels of parallel homogenizing devices in series, wherein each level of parallel homogenizing devices comprises N material barns, and the lower part of each level of material barns is provided with an unloading and feeding device. The homogenizing system has the advantages of simple structure, low energy consumption, simple operation, easy maintenance, high applicability and good homogenizing effect, and the homogenizing effect can generally reach 20 to 30 and even higher degree. When the system is adopted, production stability and the quality and the yield of products can be enhanced. The present invention is suitable for homogenizing all solid powdery material, and is especially suitable for the material with large ingredient fluctuation and difficultly controlled uniformity of material components.
Description
The present invention relates to a kind of system and device that mixed solid powdery material is carried out homogenizing.
At present the homogenization system of solid powdery material mainly contains two kinds of pneumatic blending storehouse and blending box homogenizing storehouse.The pneumatic blending storehouse is mixture to be sent into earlier stir the storehouse, utilizes bottom of the reservior gas filled device subregion to inflate by turns and stirs.Its homo-effect is 10-30, but investment is big, power consumption big, complicated operation, equipment maintenance cost height.The blending box homogenizing storehouse then is that mixture is delivered to top, storehouse distributing box earlier, and through the air conveyer flume warehouse-in of radial arrangement, the blending box in the storehouse mixes homogenizing then again.Though it is simple to operate, maintenance cost is low, homo-effect is 4-12 only.Also have in addition with the mixture of storage warehouse with join the storehouse, the mode in storehouse of falling carries out homogenizing, this method not only energy consumption is big, and homo-effect is also undesirable.
Application for a patent for invention " probability homogenization system " (publication number 1086198) provides a kind of homogenizing, pre-homogenization installation that Small and Middle Scale Cement Plants is used that be suitable for.It is to establish several discharge ports in storage below a kind of one or more banks of granular material, n discharge port be continuous discharge in proportion simultaneously, in the time of discharging the material that draws off is mixed at any time, the material that requires simultaneously to be drawn off simultaneously by discharge port has bigger advancing the storehouse time difference mutually, so that the matter homogenizing that draws off.
Purpose of the present invention aims to provide a kind of reduced investment, the powdered material homogenizing system that energy consumption is low, simple to operate, be easy to safeguard, homo-effect is good.
The implementation of purpose of the present invention is, combined powder mixture homogenizing system is made of with serial mode the parallel homogenizer of 2-5 level, and each parallel homogenizer contains 3-15 feed bin 1, and device for discharging 2 and feeding device 3 are arranged at every grade of feed bin bottom.
Describe the present invention with reference to the accompanying drawings in detail.
Fig. 1 system and device arrangement plan of the present invention
Fig. 2 homogenizer arrangement plan that walks abreast
Fig. 3 serial homogenizer arrangement plan
The parallel homogenizer arrangement plan of the discharging of Fig. 4 band, pay-off.
With reference to Fig. 2, one group is placed on N the mixture in the feed bin 1 respectively, its component value probability distribution function f (χ i) Normal Distribution
In the formula: χ i component i value
σ i should organize the standard deviation of material component
The aviation value of μ i component i
The mixture of same amount unloads with constant speed in each feed bin, and the ratio of each feed bin institute discharging remains 1: 1, and then provable theoretically, the standard deviation of the material component after the homogenizing is
Its homo-effect
From following formula as can be known, the homo-effect of parallel homogenizer is directly proportional with 1/2 power of feed bin number, so its homo-effect is limited.The homogenizer 4,5 that two homo-effects are respectively β 1, β 2 is by mode serial shown in Figure 3, then its theoretical homo-effect
β=β 1 β 2 correspondingly, with the serial of n level, then homo-effect
The present invention combines 2-5 parallel homogenizer in serial homogenizing mode, form as shown in Figure 1 by every grade of combined hybrid formula homogenization system that contains 3-15 feed bin.The theoretical homo-effect of native system can be
For identical feed bin number adopt different also, the serial combination mode, its homo-effect sees the following form:
From last table as seen, increasing serial progression can make theoretical homo-effect obviously increase, but also there are following two problems in the increase of serial progression: 1, serial homogenizing mode can not be mixed homogenizing with the material in the different time scope, material in can only a bit of time range of homogenizing, and generally the component of mixture is to fluctuate in time, and therefore single increase serial progression not necessarily just can reach good homo-effect.2, increase serial progression, will increase the complexity of system, also will increase cost of investment.
Parallel homogenizing mode helps eliminating material component fluctuation in time, when injecting material in N feed bin, after earlier 1 feed bin being filled it up with, add the next one again, until all filling it up with, then draw off simultaneously and in time see off, can guarantee the mixing homo-effect in (8 hours-24 hours) in the long period scope like this by feedway by device for discharging.
Homo-effect generally needs 10-30 in actual production, is 2-5 by the progression n of this this homogenization system of requirement, and it is more reasonable that the number N of each grade feed bin is decided to be 3-15, and the reserves of feed bin are then decided according to output.Homo-effect is not had specific (special) requirements, and serial progression can be 2-3, this moment layered arrangement from top to bottom at different levels, to reduce floor area and energy consumption.Can suitably increase serial progression to homo-effect is demanding.It is bigger that batch component is fluctuateed in time, should increase the feed bin number of feed bin number, the particularly first order at different levels.
Be the homo-effect of trying to achieve, during from the feed bin discharging of each grade, each feed bin requires simultaneously evenly discharging and in time is transported away.Discharging, pay-off 2,3 can adopt separation wheel 6 shown in Figure 4, carry reamer 7, also can adopt other devices for discharging and device for transporting objects.Adopt the discharging of separation shown in Figure 4 wheel can make each feed bin discharge rate close, make again that integral structure is simple, cost is low.
This homogenization system is simple in structure, small investment, energy consumption are low, simple to operate, be easy to safeguard, applicability is strong, homo-effect good, and its homo-effect generally can reach 20-30, even higher.Adopt this homogenization system can improve the stability of production and quality, the output of product.The present invention is applicable to all solid powdery matter homogenizings, and is more suitable to composition fluctuation even restive material big, material component especially.
Claims (1)
1, combined powder mixture homogenizing system is characterized in that being made of with serial mode the parallel homogenizer of 2-5 level, and each parallel homogenizer contains 3-15 feed bin (1), and device for discharging (2) and feeding device (3) are arranged at every grade of feed bin bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97109113A CN1057238C (en) | 1997-05-19 | 1997-05-19 | Combined powder mixture homogenizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97109113A CN1057238C (en) | 1997-05-19 | 1997-05-19 | Combined powder mixture homogenizing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1174162A CN1174162A (en) | 1998-02-25 |
| CN1057238C true CN1057238C (en) | 2000-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97109113A Expired - Fee Related CN1057238C (en) | 1997-05-19 | 1997-05-19 | Combined powder mixture homogenizing system |
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| Country | Link |
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| CN (1) | CN1057238C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO330583B1 (en) * | 2009-03-31 | 2011-05-23 | Norsk Hydro As | Method of mixing solid bulk material with wide particle size distribution and mixing station for same |
| CN104016568A (en) * | 2014-05-30 | 2014-09-03 | 台嘉玻璃纤维有限公司 | Glass fiber bagged powder homogenizing system and homogenizing method |
| CN107312926A (en) * | 2017-06-15 | 2017-11-03 | 山东钢铁股份有限公司 | One kind premixes even method and apparatus containing Iron Ore Powder |
| CN109809206B (en) * | 2017-11-21 | 2020-08-18 | 宁波大发化纤有限公司 | Automatic premix storage device |
| CN111136259B (en) * | 2020-01-09 | 2022-01-11 | 北京毅能创投科技有限公司 | Aluminum powder mixing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086198A (en) * | 1992-10-30 | 1994-05-04 | 中国建筑材料科学研究院设计所 | Probability homogenization system |
-
1997
- 1997-05-19 CN CN97109113A patent/CN1057238C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086198A (en) * | 1992-10-30 | 1994-05-04 | 中国建筑材料科学研究院设计所 | Probability homogenization system |
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| Publication number | Publication date |
|---|---|
| CN1174162A (en) | 1998-02-25 |
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