CN105080687A - Airflow powder grinding system and powder treatment process - Google Patents
Airflow powder grinding system and powder treatment process Download PDFInfo
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- CN105080687A CN105080687A CN201510561040.8A CN201510561040A CN105080687A CN 105080687 A CN105080687 A CN 105080687A CN 201510561040 A CN201510561040 A CN 201510561040A CN 105080687 A CN105080687 A CN 105080687A
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Abstract
The invention discloses an airflow powder grinding system and a powder treatment process. The airflow powder grinding system comprises an air compressor and an airflow ultrafine grinder which are sequentially connected. An air refrigerator is connected between the air compressor and the airflow ultrafine grinder. An air inlet of the air refrigerator is connected the air compressor, and an air outlet of the air refrigerator is connected with the airflow ultrafine grinder. An air storage tank is connected between the air compressor and the air refrigerator, and the airflow ultrafine grinder is connected with a dust removal device. By means of an airflow ultrafine grinding system, the temperature of compressed air can be lowered, and it is guaranteed that the components and effect of powder are not changed. An ultrasonic vibration screen is adopted, so that adhesion, friction, flat reducing, wedging in and other screen blocking factors can be restrained through ultrasonic vibration waves attached to the screen, screening efficiency and screen cleaning efficiency are improved, grinding precision is improved, and grinding cost is reduced.
Description
Technical field
The present invention relates to a kind of airflow milling powder device and powder grinding method, be specifically related to a kind of airflow milling powder system and powder-processed technique.
Background technology
Airslide disintegrating mill is widely used in the manufacturing of nonmetallic mineral and industrial chemicals etc., and its principle drives material to make high-speed motion in air-flow at a high speed, and material is collided mutually, and friction pulverizing forms.Current superfine technique can be multiple grinding mode, such as mechanical impact crusher, vibromill, airslide disintegrating mill, Ball-stirring mill etc.Wherein, airslide disintegrating mill is under action of high-speed airflow, and material is by the shock between powder particle own, and air-flow is to the impact of material impact shear action and material and other parts, friction, shearing and make crushing material.But, when existing airflow pulverization is prevalent in cohesive powders particle dispersion and fining, due to the high viscosity problem of cohesive powders particle, easily cause the spray nozzle clogging of airslide disintegrating mill, thus affect the flow process of whole disintegrating process, and, normally adopt air-flow crushing for cohesive powders particle crushing technology at present or processed by traditional wet-milling processes, but no matter air-flow crushing, also or wet grinding, because the former gas drying cost is too high, and the wet-grinding technology and relative device of the latter is complicated, the problem of later stage drying materials caking, therefore, high viscosity powder particle disintegrating process realizes the investigative technique of low cost and simplification, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
Technical problem to be solved by this invention is, improve the technical problem of sticky particle plug nozzle, and solve the too high problem of gas drying cost further, object be to provide a kind of airflow milling powder system and powder-processed technique, solve powder be broken into Ben Gao and the offending problem of particle powder.
Of the present inventionly to be achieved through the following technical solutions: airflow milling powder system, comprise the air compressor and air-flow micronizer that connect successively, cold air machine is connected with between air compressor and air-flow micronizer, the air inlet of cold air machine connects air compressor, and the gas outlet of cold air machine connects air-flow micronizer; Be connected with air accumulator between air compressor and cold air machine, described air-flow micronizer is connected with dust arrester;
Described dust arrester comprises gas outlet, for purifying isolated described dielectric gas, and discharges described dielectric gas to described air hatch by described gas outlet and carries out recycling and continue to carry described cohesive powders particle and pulverize;
Air-flow micronizer comprises disintegrating area and graded region, and disintegrating area is positioned at the bottom of air-flow micronizer, and the bottom of air-flow micronizer is provided with several shower nozzle for jet-impingement, is sprayed by shower nozzle through the cooled compressed air of cold air machine; The comminuted powder particle after coarse crushing is filled with in feed opening, comminuting matter is under the effect of helix transporting device, enter the disintegrating area of airflow ultramicro crushing apparatus, comminuting matter contacts with high velocity air, mutual collision, reaches the object of comminuting matter, and the classified district of the material after pulverizing carries out classification, filtered by ultrasonic vibrating screen 8, the powder particle reaching granularity requirements is discharged by discharge nozzle.
Solve the problem, another technical scheme of the present invention is a kind of powder-processed technique, comprising:
Step one, to be carried cohesive powders particle by the dielectric gas after using compression and dry process and enter reducing mechanism by nozzle and pulverize;
Step 2, according to preset mode to pulverize after described cohesive powders particle collect and isolate described dielectric gas;
Step 3, by gas outlet by ultrasonic vibrating screen be separated after qualified powder discharged by discharging opening;
Step 4, through ultrasonic vibrating screen be separated after not qualified powder, under dielectric gas effect, continue to carry described cohesive powders particle pulverize.
Further, carry cohesive powders particle by the dielectric gas after using compression and dry process to enter reducing mechanism by nozzle and carry out pulverizing specifically comprising: obtained the described dielectric gas in space by air hatch; Compression and dry process are carried out to the described dielectric gas got; Wherein, described dielectric gas is carried out compression and dry process and specifically comprises and being compressed according to preset pressure the described dielectric gas got by air compressor, and the described dielectric gas after conveying compression carries out drying to cold air machine processes.
Further, carry out compressing and also comprising after dry process to the described dielectric gas got: the described dielectric gas after compression and dry process is delivered to air accumulator and stores.
Further, described dielectric gas carries cohesive powders particle and enters reducing mechanism by nozzle and carry out pulverizing specifically comprising: described dielectric gas exports from described air accumulator, and carry described cohesive powders particle and enter reducing mechanism by nozzle at high speeds, under the effect of air-flow, described cohesive powders particle is pulverized with the grinding mode of high velocity impact.
The present invention compared with prior art, has following advantage and beneficial effect: airflow milling powder system, can reduce compressed-air actuated temperature, ensures that composition effect of powder is constant.Adopt ultrasonic wave vibratory sieve, being attached to ultrasonic vibration ripple on screen cloth can the network blocking factor such as anti-adhesion, friction, pancake, wedging, improves screening efficiency and clear net efficiency, improves to pulverize precision and reduce and pulverize cost.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is a kind of airflow milling powder system architecture of the present invention schematic diagram;
Fig. 2 is a kind of powder-processed process schematic representation of the present invention.
Detailed description of the invention
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, a kind of airflow milling powder system, comprise the air compressor 1 and air-flow micronizer 2 that connect successively, cold air machine 3 is connected with between air compressor 1 and air-flow micronizer 2, the air inlet of cold air machine 3 connects air compressor 1, and the gas outlet of cold air machine 3 connects air-flow micronizer 3; Be connected with air accumulator 4 between air compressor 1 and cold air machine 3, described air-flow micronizer 3 is connected with dust arrester 7;
Dust arrester 7, comprises gas outlet, for purifying isolated described dielectric gas, and discharges described dielectric gas to described air hatch by described gas outlet and carries out recycling and continue to carry described cohesive powders particle and pulverize.
Air-flow micronizer 2 comprises disintegrating area and graded region, and disintegrating area is positioned at the bottom of air-flow micronizer, and the bottom of air-flow micronizer is provided with several shower nozzle for jet-impingement, is sprayed by shower nozzle through the cooled compressed air of cold air machine; The comminuted powder particle after coarse crushing is filled with in feed opening 5, comminuting matter is under the effect of helix transporting device, enter the disintegrating area of airflow ultramicro crushing apparatus, comminuting matter contacts with high velocity air, mutual collision, reaches the object of comminuting matter, and the classified district of the material after pulverizing carries out classification, filtered by ultrasonic vibrating screen 8, the powder particle reaching granularity requirements is discharged by discharge nozzle 6.
A kind of airflow milling powder system, can reduce compressed-air actuated temperature, ensures that composition effect of powder is constant.Adopt ultrasonic wave vibratory sieve, being attached to ultrasonic vibration ripple on screen cloth can the network blocking factor such as anti-adhesion, friction, pancake, wedging, improves screening efficiency and clear net efficiency, improves to pulverize precision and reduce and pulverize cost.
Embodiment 2
As shown in Figure 2, a kind of powder-processed technique, is characterized in that, comprising:
Step one, to be carried cohesive powders particle by the dielectric gas after using compression and dry process and enter reducing mechanism by nozzle and pulverize;
Step 2, according to preset mode to pulverize after described cohesive powders particle collect and isolate described dielectric gas;
Step 3, by gas outlet by ultrasonic vibrating screen be separated after qualified powder discharged by discharging opening;
Step 4, through ultrasonic vibrating screen be separated after not qualified powder, under dielectric gas effect, continue to carry described cohesive powders particle pulverize.
Carry cohesive powders particle by the dielectric gas after using compression and dry process to enter reducing mechanism by nozzle and carry out pulverizing specifically comprising: obtained the described dielectric gas in space by air hatch; Compression and dry process are carried out to the described dielectric gas got; Wherein, described dielectric gas is carried out compression and dry process and specifically comprises and being compressed according to preset pressure the described dielectric gas got by air compressor, and the described dielectric gas after conveying compression carries out drying to cold air machine processes.
Carry out compressing and also comprising after dry process to the described dielectric gas got: the described dielectric gas after compression and dry process is delivered to air accumulator and stores.
Dielectric gas carries cohesive powders particle and enters reducing mechanism by nozzle and carry out pulverizing specifically comprising: described dielectric gas exports from described air accumulator, and carry described cohesive powders particle and enter reducing mechanism by nozzle at high speeds, under the effect of air-flow, described cohesive powders particle is pulverized with the grinding mode of high velocity impact.
In the embodiment of the present invention, by first removing the moisture in dielectric gas, carry sticky particle by dewatered dielectric gas again to pulverize, and carry sticky particle at air-flow micronizer medium gas and carry out air-flow crushing, and to the design that dielectric gas recycles, the technical problem of the spray nozzle clogging that the high viscosity not only improving sticky particle causes, and solving the problem of the high cost that multi stage drying apparatus produces further, technique provided by the invention further simplifies compared with the complicated technology of wet-grinding technology and relative device simultaneously.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. airflow milling powder system, it is characterized in that: comprise the air compressor (1) and air-flow micronizer (2) that connect successively, cold air machine (3) is connected with between air compressor (1) and air-flow micronizer (2), the air inlet of cold air machine (3) connects air compressor (1), and the gas outlet of cold air machine (3) connects air-flow micronizer (3); Be connected with air accumulator (4) between air compressor (1) and cold air machine (3), described air-flow micronizer (3) is connected with dust arrester (7);
Described dust arrester (7), comprises gas outlet, for purifying isolated described dielectric gas, and discharges described dielectric gas to described air hatch by described gas outlet and carries out recycling and continue to carry described cohesive powders particle and pulverize;
Air-flow micronizer (2) comprises disintegrating area and graded region, and disintegrating area is positioned at the bottom of air-flow micronizer, and the bottom of air-flow micronizer is provided with several shower nozzle for jet-impingement, is sprayed by shower nozzle through the cooled compressed air of cold air machine; The comminuted powder particle after coarse crushing is filled with in feed opening (5), comminuting matter is under the effect of helix transporting device, enter the disintegrating area of airflow ultramicro crushing apparatus, the classified district of material after pulverizing carries out classification, filtered by ultrasonic vibrating screen (8), the powder particle reaching granularity requirements is discharged by discharge nozzle (6).
2. powder-processed technique, is characterized in that, comprising:
Step one, to be carried cohesive powders particle by the dielectric gas after using compression and dry process and enter reducing mechanism by nozzle and pulverize;
Step 2, according to preset mode to pulverize after described cohesive powders particle collect and isolate described dielectric gas;
Step 3, by gas outlet by ultrasonic vibrating screen be separated after qualified powder discharged by discharging opening;
Step 4, through ultrasonic vibrating screen be separated after not qualified powder, under dielectric gas effect, continue to carry described cohesive powders particle pulverize.
3. powder-processed technique according to claim 2, it is characterized in that, carry cohesive powders particle by the dielectric gas after using compression and dry process and enter reducing mechanism by nozzle and carry out pulverizing specifically comprising: by air hatch, the described dielectric gas in space is obtained; Compression and dry process are carried out to the described dielectric gas got; Wherein, described dielectric gas is carried out compression and dry process and specifically comprises and being compressed according to preset pressure the described dielectric gas got by air compressor, and the described dielectric gas after conveying compression carries out drying to cold air machine processes.
4. powder-processed technique according to claim 3, is characterized in that, carries out compressing and also comprising after dry process: the described dielectric gas after compression and dry process is delivered to air accumulator and stores the described dielectric gas got.
5. powder-processed technique according to claim 4, it is characterized in that, described dielectric gas carries cohesive powders particle and enters reducing mechanism by nozzle and carry out pulverizing specifically comprising: described dielectric gas exports from described air accumulator, and carry described cohesive powders particle and enter reducing mechanism by nozzle at high speeds, under the effect of air-flow, described cohesive powders particle is pulverized with the grinding mode of high velocity impact.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510561040.8A CN105080687A (en) | 2015-09-07 | 2015-09-07 | Airflow powder grinding system and powder treatment process |
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| CN201510561040.8A CN105080687A (en) | 2015-09-07 | 2015-09-07 | Airflow powder grinding system and powder treatment process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880639A (en) * | 2016-08-15 | 2018-04-06 | 海宁永欣科技咨询有限公司 | The production method of the nanometer leaded light particle of improvement |
| CN112121962A (en) * | 2020-10-10 | 2020-12-25 | 英鸿纳米科技股份有限公司 | Nanoscale material preparation device based on low-temperature crushing |
| CN114588986A (en) * | 2022-03-03 | 2022-06-07 | 南京航空航天大学 | Low-temperature auxiliary airflow powder grinding device |
Citations (5)
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| GB1324219A (en) * | 1971-07-02 | 1973-07-25 | Linde Ag | Jet milling |
| CN2370957Y (en) * | 1999-04-23 | 2000-03-29 | 中国科学院低温技术实验中心 | Low-temp. air flow crusher |
| CN2668260Y (en) * | 2003-11-25 | 2005-01-05 | 昆山密友实业有限公司 | Low temperature supermicro airflow disintegrating apparatus |
| CN102698847A (en) * | 2012-05-16 | 2012-10-03 | 李莉 | Cryogenic-airflow grinding system |
| CN203140114U (en) * | 2013-03-18 | 2013-08-21 | 福建省顺昌县新和纳米硅业有限公司 | Airflow crushing system |
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2015
- 2015-09-07 CN CN201510561040.8A patent/CN105080687A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1324219A (en) * | 1971-07-02 | 1973-07-25 | Linde Ag | Jet milling |
| CN2370957Y (en) * | 1999-04-23 | 2000-03-29 | 中国科学院低温技术实验中心 | Low-temp. air flow crusher |
| CN2668260Y (en) * | 2003-11-25 | 2005-01-05 | 昆山密友实业有限公司 | Low temperature supermicro airflow disintegrating apparatus |
| CN102698847A (en) * | 2012-05-16 | 2012-10-03 | 李莉 | Cryogenic-airflow grinding system |
| CN203140114U (en) * | 2013-03-18 | 2013-08-21 | 福建省顺昌县新和纳米硅业有限公司 | Airflow crushing system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880639A (en) * | 2016-08-15 | 2018-04-06 | 海宁永欣科技咨询有限公司 | The production method of the nanometer leaded light particle of improvement |
| CN108148417A (en) * | 2016-08-15 | 2018-06-12 | 海宁永欣科技咨询有限公司 | The production method of improved nanometer leaded light particle |
| CN108219573A (en) * | 2016-08-15 | 2018-06-29 | 海宁永欣科技咨询有限公司 | A kind of airflow comminution system |
| CN112121962A (en) * | 2020-10-10 | 2020-12-25 | 英鸿纳米科技股份有限公司 | Nanoscale material preparation device based on low-temperature crushing |
| CN114588986A (en) * | 2022-03-03 | 2022-06-07 | 南京航空航天大学 | Low-temperature auxiliary airflow powder grinding device |
| CN114588986B (en) * | 2022-03-03 | 2023-03-14 | 南京航空航天大学 | Low-temperature auxiliary airflow powder grinding device |
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Application publication date: 20151125 |