CN103111219A - Pneumatic powder mixing system - Google Patents
Pneumatic powder mixing system Download PDFInfo
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- CN103111219A CN103111219A CN2013100783223A CN201310078322A CN103111219A CN 103111219 A CN103111219 A CN 103111219A CN 2013100783223 A CN2013100783223 A CN 2013100783223A CN 201310078322 A CN201310078322 A CN 201310078322A CN 103111219 A CN103111219 A CN 103111219A
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Abstract
The invention provides a pneumatic powder mixing system which comprises a fan, a heat exchanger, a refrigerator, a filter, a helical mixer and a gas-solid separator, wherein the fan, the heat exchanger, the filter and the helical mixer are sequentially connected together by a pipeline; the heat exchanger is connected with the refrigerator; the pipeline between the filter and the helical mixer is provided with at least one set of metering feeder; and the gas-solid separator is connected at the tail end of the helical mixer. A power device is not needed to be additionally arranged on a helical mixing pipe, the powder enters the pipeline between the filter and the helical pipe through the metering feeder, the filtered high-speed pure gas enters the helical mixer at the same time and then the powder and the filtered high-speed pure gas enter the gas-solid separator after being mixed for a short time, and the powder mixture can be obtained after the powder and the filtered high-speed pure gas are filtered. The pneumatic powder mixing system can be used for mixing different powders by the gas, is simple and compact in structure, convenient to operate, stable in work, good in mixing effect, high in efficiency, free from pollution, high in reliability, difficult to consume, and long in service life, and is safe and reliable.
Description
Technical field
The present invention relates to a kind of Pneumatic System that mixes for powder, be applicable in the mixing production technology of powder, particularly be difficult to guarantee that for mechanical mixture the powder of mixed effect mixes, belong to powder hybrid technology field.
Background technology
Growing along with science and technology, the application of composite is increasingly extensive, and machining composite material needs various fine powders to mix rear machine-shaping, because of particularity such as powder non-refractory, easy bonding, vulnerable to pollution, variety of issue has appearred in present mechanical agitation type mixed powder technology, such as powder roll sex change, local high temperature bond etc., be to produce a requisite important component part in the raw material process such as composite and mix.
The uniformity that raw material mixes has very important impact to the quality of product, exists powder to mix uneven problem in Fine Chemical.Product processes raw material by the Multicomponent phosphor composing, and there is very big-difference in the parameters such as the powder granule diameter of different components, proportion, density, and this just mixes a lot of problems of bringing for many components powder.
The homogenizing of present domestic Fine Chemical to many components powder mainly adopts mechanical agitation and fluidization formula to mix dual mode.Limited by working condition, mechanical type mixes the shortcomings such as existence is easy pollutes, and local temperature is too high, efficient is low, deposit the dead angle, effect is general; And there is problems such as controlling difficulty, the easy segregation of powder, equipment complexity in the fluidization formula.
Summary of the invention
The present invention is directed to that existing powder hybrid technology exists easily pollute, the problem such as efficient is low, the powder pneumatic hybrid system of a kind of efficient homogenizing, many components powder good mixing effect is provided.
Powder pneumatic hybrid system of the present invention is achieved through the following technical solutions:
This system, comprise blower fan, heat exchanger, refrigeration machine, filter, ribbon mixer and gas-solid separator, blower fan, heat exchanger, filter and ribbon mixer link together by pipeline successively, heat exchanger is connected with refrigeration machine, at least one cover metered charge device is set on the pipeline between filter and ribbon mixer, and gas-solid separator is connected to the end of ribbon mixer.
Gas-solid separator, comprise shell, top cover, impeller, rotating shaft, scraper and screen pack, the top of shell is provided with top cover, rotating shaft is installed in top cover, impeller and scraper are installed in rotating shaft, the side of top cover is provided with feed pipe and blast pipe, and outer casing bottom is provided with outlet, and screen pack is positioned at shell and is connected to the bottom of top cover.
Blower fan provides power (strength), and refrigeration machine guarantees gas temperature, prevents the temperatures involved powder characteristic, and filter guarantees the degree of purity of gas, and powder is blown into ribbon mixer by gas after the metered charge device enters diatom.The thread mixing pipe need not the additionaling power device, blower fan provides and enters refrigeration machine after source of the gas and carry out cooling to gas, then enter filter cleaning, powder enters pipeline between filter and helical pipe through the metered charge device, together enter ribbon mixer through the high speed clean gas that filters, enter gas-solid separator after the short time mixes, gas is separated obtained powder mixture.
The present invention adopts gas that different powders are mixed, and is simple and compact for structure, easy to operate, stable working, and good mixing effect, efficient are high, pollution-free, and reliability is high, is difficult for loss, and long service life is safe and reliable.
Description of drawings
Fig. 1 is the structural principle schematic diagram of powder pneumatic hybrid system of the present invention.
Fig. 2 is the structural representation of gas-solid separator in the present invention.
Fig. 3 is the top view of Fig. 2.
In figure: 1, blower fan, 2, safety valve, 3, heat exchanger, 4, refrigeration machine, 5, filter, 6, the metered charge device, 7, ribbon mixer, 8, gas-solid separator, 9, vibratory sieve, 10, shell, 11, top cover, 12, impeller, 13, rotating shaft, 14, scraper, 15, screen pack, 16, feed pipe, 17, fixed mount, 18, blast pipe.
The specific embodiment
As shown in Figure 1, powder pneumatic hybrid system of the present invention mainly comprises blower fan 1, heat exchanger 3, refrigeration machine 4, filter 5, ribbon mixer 7 and gas-solid separator 8.Blower fan 1, heat exchanger 3, filter 5 and ribbon mixer 7 link together by pipeline successively, are provided with safety valve 2 on the pipeline between blower fan 1 and heat exchanger 3, are no more than setting value to guarantee system's air pressure.Heat exchanger 3 is connected with refrigeration machine 4.At least be provided with a cover metered charge device (being provided with 3 covers in Fig. 1) on pipeline between filter 5 and ribbon mixer 7, concrete quantity is determined by the powder kind number that needs mix.Gas-solid separator 8 is connected to the end of ribbon mixer 7.Blower fan 1 can adopt roots blower, mixes and transmitting power for powder mixes to provide.。Ribbon mixer 7 is in a pipeline, the helical form conduit to be set, and pipe ends arranges charging aperture and discharging opening.Can vibratory sieve 9 be set at discharging opening place, the bottom of gas-solid separator 8.
The structure of gas-solid separator as shown in Figures 2 and 3, comprise shell 10, top cover 11, impeller 12, rotating shaft 13, scraper 14 and screen pack 15, the top of shell 10 is provided with top cover 11, by bearing, rotating shaft 13 is installed in top cover 11, impeller 12 and scraper 14 are installed in rotating shaft 13, the side of top cover 11 is provided with feed pipe 16 and blast pipe 18(referring to Fig. 3), the bottom of shell 10 is the mixed powder outlet, also is provided with fixed mount 17 on shell 10.Screen pack 15 is positioned at shell 10 and is connected to the bottom of top cover 11.Scraper 14 is positioned at screen pack 15, is used for wiping off powder mixture residual on screen pack 15.Impeller 12 is rotated by the gas-powered that enters in shell 10, need not additionaling power, has guaranteed the degree of purity of powder.
Because air temperature after blower fan 1 boosts rises, it is unfavorable that powder is mixed, and after heat exchanger 3 and refrigeration machine 4 coolings, makes gas temperature reach the mixing requirement.A small amount of moisture and wet goods impurity after the temperature of removing process filter 5 reduces in Compressed Gas are to guarantee the cleanliness factor of gas.Powder to be mixed adds pipeline in proportion through each metered charge device, enters ribbon mixer 7 and mix under strength promotes, and mixed material enters gas-solid separator 8 and carries out separating of powder and gas.Gas and powders mixture are first in feed pipe 19 enters top cover 11, blow impeller 12 rotations, impeller 12 drives rotating shaft 13 and rotates, and then drive scraper 14 rotates, gas is drained through blast pipe 24, guarantee effectively to filter, powder mixture filters through filter screen 15, enters vibratory sieve 9 by the bottom outlet of shell 10.Scraper 14 is wiped powder mixture residual on screen pack 15 off.
The present invention has following characteristics:
1. detail design walk away safety, reliability is high is difficult for loss, and can reach more than 10 years service life, need not running maintenance and maintenance, and powder characteristic is had no effect, and increases substantially economic benefit, in addition energy savings, protection of the environment.
2. function admirable, powder falls into mixing duct through feeder, mixes in the flow at high speed gas short time in pipeline, enters separator and separates and get final product.
3. security is good, can not produce the situation of powder blocking mixer.
4. to adopt strength be power in the present invention, has compact conformation, stable working, noiseless, efficient advantages of higher in mixed process.
Claims (2)
1. powder pneumatic hybrid system, comprise blower fan, heat exchanger, refrigeration machine, filter, ribbon mixer and gas-solid separator, it is characterized in that: blower fan, heat exchanger, filter and ribbon mixer link together by pipeline successively, heat exchanger is connected with refrigeration machine, at least one cover metered charge device is set on the pipeline between filter and ribbon mixer, and gas-solid separator is connected to the end of ribbon mixer.
2. powder pneumatic hybrid system according to claim 1, it is characterized in that: described gas-solid separator, comprise shell, top cover, impeller, rotating shaft, scraper and screen pack, the top of shell is provided with top cover, rotating shaft is installed in top cover, impeller and scraper are installed in rotating shaft, the side of top cover is provided with feed pipe and blast pipe, outer casing bottom is provided with outlet, and screen pack is positioned at shell and is connected to the bottom of top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310078322.3A CN103111219B (en) | 2013-03-12 | 2013-03-12 | Pneumatic powder mixing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310078322.3A CN103111219B (en) | 2013-03-12 | 2013-03-12 | Pneumatic powder mixing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103111219A true CN103111219A (en) | 2013-05-22 |
| CN103111219B CN103111219B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310078322.3A Expired - Fee Related CN103111219B (en) | 2013-03-12 | 2013-03-12 | Pneumatic powder mixing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564634A (en) * | 2016-10-26 | 2017-04-19 | 珠海优特物联科技有限公司 | Automatic traditional Chinese medicine preparation system and method |
| CN107875941A (en) * | 2017-12-11 | 2018-04-06 | 华东理工大学 | A kind of device and method of granule materials the mixture of airstream and strength |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202136927U (en) * | 2010-12-27 | 2012-02-08 | 山东信发金属粉末有限公司 | Pneumatic continuous powder mixing device |
| CN102614801A (en) * | 2012-03-14 | 2012-08-01 | 东南大学 | Ultrafine particle mixing device |
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2013
- 2013-03-12 CN CN201310078322.3A patent/CN103111219B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202136927U (en) * | 2010-12-27 | 2012-02-08 | 山东信发金属粉末有限公司 | Pneumatic continuous powder mixing device |
| CN102614801A (en) * | 2012-03-14 | 2012-08-01 | 东南大学 | Ultrafine particle mixing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564634A (en) * | 2016-10-26 | 2017-04-19 | 珠海优特物联科技有限公司 | Automatic traditional Chinese medicine preparation system and method |
| CN107875941A (en) * | 2017-12-11 | 2018-04-06 | 华东理工大学 | A kind of device and method of granule materials the mixture of airstream and strength |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103111219B (en) | 2014-11-19 |
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Granted publication date: 20141119 Termination date: 20200312 |
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