CN100430144C - Powder wall-breaking machine - Google Patents
Powder wall-breaking machine Download PDFInfo
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- CN100430144C CN100430144C CNB2006100273930A CN200610027393A CN100430144C CN 100430144 C CN100430144 C CN 100430144C CN B2006100273930 A CNB2006100273930 A CN B2006100273930A CN 200610027393 A CN200610027393 A CN 200610027393A CN 100430144 C CN100430144 C CN 100430144C
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Abstract
The present invention integrates the technologies of high pressure airflow feeding, high voltage acceleration and target type wall breakage to develop a new powder wall-breaking device, namely a powder wall breaking machine. Superfine grinding and wall breaking powder can be obtained under the process condition in normal temperature. The present invention comprises a suction chamber, a gas-object mixing chamber and a wall breaking chamber 15. The present invention is characterized in that an inclined target board is arranged in the wall breaking chamber. The design of the inclined target board is favorable to the powder which is clamped in the high pressure airflow and needs to be crumbled and carried out the wall breaking and a target body to effectively impact, the deflection of jet is formed when the high-speed air-jet textile hose high-speed airflow impacts the target board, and the thickness of a lagging layer of the surface of the target board is reduced. Under the working condition of non ultra-high pressure, the effective crumbling and the wall breaking for the powder, such as pollen, ganoderma spore powder, and the production cost of the crumbling and the wall breaking of the powder is reduced.
Description
Technical field
The invention belongs to the ultra-fine powder technology field.The present invention proposes a kind of powder that can make by ultra-fine grinding and reach the equipment of broken wall.
Background technology
Powder wall-breaking is effectively to extract effective ingredient in the single powder, improves the key technology of powder active, and prolong with the method for physics the same with ultra-fine grinding of powder wall-breaking pulverized powder usually, realizes the broken wall of powder in crushing process.And physical method is based on comminuting method, and comminuting method is a kind of various external force of using, and is used to be required the object of pulverizing as masterpieces such as mechanical force, stream ability, acoustic energy, solid block pulverized, and reached the very thin granularity and the purpose of broken wall.Industrial at present, the laboratory adopts maximum disintegrating apparatus ball milling formula pulverizer to be arranged, high-speed rotary pulverizer, airslide disintegrating mill, microjet pulverizer etc.
Ball milling formula pulverizer is with mutual impact and grinding between medium and the material, and material particles is pulverized.Usually use this class disintegrating apparatus operating time long, though also can carry out continuous operation, the particle diameter of pulverizing also can reach several μ m, but because in the crushing process, medium and directly making by the purity of comminuting matter and being affected by comminuting matter with impact for a long time, collision, particularly the heat that produces in the process of lapping can not be removed at once, and the hurried rising of heat can make heat-sensitive substance be affected.
The high-speed rotary pulverizer is to utilize the device of rotation at a high speed, to the pulverized object of needs, pulverize by grinding.Therefore, there are some above-mentioned defectives equally.
It is comminution by gas stream that ultra-fine grinding is adopted maximum, most typical, this technology is to utilize the energy of high velocity air (300-500m/s), make object particle produce mutual impact, collision, and by ultra-fine grinding quickly, this technology can obtain the particle diameter of several μ m, but the particle diameter wider distribution need be carried out grain size grading and be handled.However, for the powder that has certain toughness as this classes such as pollen, lucidum spore powders, not only the effect of Fen Suiing is affected, the more difficult effect that reaches broken wall.Usually adopt multiple pulverizing on the technology, adopt the pulverizing under the freezing operating mode.Multiple technical process has determined that it is limited improving the effect of pulverizing because the air-flow pulverizing is to collide the mechanism that realizes pulverizing in moment, also is difficult to make toughness powder realization broken wall, and makes the energy consumption of equipment increase the utilization ratio reduction.Adopt the pulverizing under the freezing operating mode, crushing effect and shell-broken effect are improved, but the technical process of freezing operating mode also increases investment in production equipment and operating cost.
The microjet comminuting method is after utilizing highly pressurised liquid to quicken by injector, form high-speed jet, drive needs particulate solids to make high-speed motion, carry jet body and the target plate or the collision of rightabout another strand jet formation high pressure of particle, because strong bump, solid material is wherein pulverized, this breaking method, its advantage is that the particle diameter of pulverizing is little, and relatively evenly, but weak point is, highly pressurised liquid requires to reach 200MPa usually, this brings high requirement for device fabrication and production technology, thereby the pulverizing cost is improved greatly, in addition, because the intervention of highly pressurised liquid, its later stage separates, and has increased difficulty more than the separation that with the air is medium, and has influenced the purity of product.There are its target plate design and installation and high-speed jet to meet at right angles again, make the detention layer that forms between high-speed jet and the target plate be difficult for diffusion, influenced the due crushing effect of microjet pulverizer to a certain extent.
Summary of the invention
At the defective of prior art, the technology of the comprehensive high pressure draught charging of the present invention, high pressure acceleration and target formula broken wall has been developed a kind of new powder wall-breaking equipment-powder wall-breaking machine, can obtain the powder of ultra-fine grinding and broken wall under the process conditions of normal temperature.
The present invention is achieved by the following technical solutions:
A kind of powder wall-breaking machine, comprise suction chamber 7, gas thing mixing chamber 10 and broken wall chamber 15, its respective housings is by flange 17,18 orders link to each other, a jet pipe 5 that has high pressure admission mouth 4 is arranged in the suction chamber 7, on the suction chamber 7 chamber walls, under be respectively equipped with negative pressure feed pipe 8 and negative pressure feed back pipe 9 and stretch out housing, the chamber wall of the gas thing mixing chamber 10 that is connected with suction chamber 7 is provided with high pressure accelerating tube 12, the gas thing jet pipe 13 of mixing chamber 10 front ends is connected with broken wall chamber 15,15 tops, broken wall chamber are provided with gas thing outlet 16, it is characterized in that, be provided with the target plate 14 of an inclination in the broken wall chamber 15, the chamber wall that is provided with gas thing outlet 16 of this target plate 14 and broken wall chamber 15 prolongs gas thing jet pipe 13 directions an angle α, and α is 20 °～40 °.
Suction chamber 7 tops of described powder wall-breaking machine can be provided with a plurality of negative pressure feed pipes 8.
The chamber wall of the gas thing mixing chamber 10 of described powder wall-breaking machine correspondence up and down is provided with a pair of high pressure accelerating tube 12, and high pressure accelerating tube 12 is 45 °～60 ° with the angle β of mixing chamber 10 chamber walls.
On the chamber wall of the gas thing mixing chamber 10 of described powder wall-breaking machine, the corresponding up and down high pressure accelerating tube 12 that is parallel to each other more than a pair of that is provided with.
The gas thing jet pipe 13 of mixing chamber 10 front ends of described powder wall-breaking machine, the tubaeform jet pipe that reduces gradually to the spout place for caliber.
Powder wall-breaking machine of the present invention comprises high pressure gas speed (0.6MPa-2MPa) air inlet and its corresponding two above charging apertures, needs the powder of pulverizing and broken wall to be inhaled into cavity to suction chamber with high pressure draught, and what suction chamber was connected is hybrid chamber.The hybrid chamber wall has the high pressure accelerating tube more than two, the cavity wall of the importing of high pressure accelerating tube and hybrid chamber has an angle, along the needs of gases at high pressure that high pressure gas speed air inlet is come in and suction pulverize and the preliminary mixing of the powder of broken wall after, injection enters the direction incision of hybrid chamber, after the gas that gases at high pressure that the high pressure accelerating tube enters (0.6MPa-2MPa) and suction chamber injection are come is done further to mix fully in hybrid chamber, again by the shower nozzle of hybrid chamber, on the target plate that high velocity jet tilts to install in the broken wall chamber to the broken wall chamber.Because the design of target plate is tilted, the air-flow of carrying the powder that needs pulverizing and broken wall secretly collides on the target plate that tilts with high speed, after the effective pulverizing of process conditions acquisition of following moment and broken wall of normal temperature, just be folded to the collecting process that the port of export carries out postorder.
Beneficial effect
The present invention compared with prior art, its design advantage and beneficial effect are:
1, the design of inclination target plate helps carrying secretly in the high pressure draught needs the powder and the target body of pulverizing and broken wall effectively to clash into, while is in the moment of clashing into target plate and before clashed into target plate, and the powder that has changed flow direction clashes into once more and rubs, make pollen, lucidum spore powder etc. contain the toughness material of materials such as polysaccharide and saponin, strengthen with the pulverizing and the shell-broken effect of the material of the double-layer shell structure that has reinforcement, improve the biologically active of pollen, lucidum spore powder and bring into play better curative effect; And the tiltedly design of target plate, form baffling when making high velocity air bump target plate, reduced the retardation layer thickness on target plate surface, can be under the operating mode of non-super-pressure, also can realize powders such as pollen, lucidum spore powder are effectively pulverized and broken wall, reduce the production cost of powder pulverizing and broken wall.
2, the control of charging powder density and speed is convenient in the design of two above charging apertures, can realize that powder is pulverized, behind the broken wall, and after common classification, gas solid separation, powder returns wall-breaking machine once more and carries out continuous cycling technology;
3, the design of high pressure accelerating tube with paired arrangement of certain angle is used, and helps the raising of air velocity, helps the abundant mixing of the powder of pulverizing of high pressure draught and needs and broken wall.
4, from the jet pipe flare of mixing chamber, help to broken wall chamber spraying of material ...?
Description of drawings:
Fig. 1 is the structural representation of powder wall-breaking equipment
Wherein: 1-suction chamber housing, 2-mixing chamber housing, 3-broken wall chamber housing, 4-high pressure admission mouth, 5-air jet pipe, 6-puff prot, the 7-suction chamber, 8-negative pressure feed pipe, 9-negative pressure feed back pipe, 10-gas thing mixing chamber, 11-high-voltage secondary air inlet, 12-high pressure accelerating tube, 13-gas thing jet pipe, 14-target plate, 15-broken wall chamber, 16 gas things outlets, 17, the 18-adpting flange, the 19-frame.
The present invention is further elaborated below in conjunction with the drawings and the specific embodiments.
The specific embodiment
When the powder wall-breaking equipment of the present invention's design moves, at first open the air intake valve of gases at high pressure, gases at high pressure are entered the suction chamber 7 of broken wall equipment cavity by gases at high pressure air inlet 4, the powder that needs pulverizing and broken wall, because the negative pressure that the venturi air jet pipe 5 in the cavity suction chamber 7 produces, powder sucks by the negative pressure charging more than 28, as long as open the control valve before the charging aperture this moment, powder just sucks cavity (suction chamber 7), powder suction chamber 7 is connected with mixed chamber 10, the chamber wall in mixed chamber 10 is provided with a pair of high pressure accelerating tube 12, at this moment, open the high pressure admission valve, high pressure draught passes through high pressure accelerating tube 12 from secondary high-pressure import 11, high speed with 300--500m/s enters mixed chamber 10, and spray with the puff prot 6 of powder suction chamber 7 and to come, carrying the gas that needs pulverizing and broken wall powder secretly fully mixes in mixed chamber 10, through quickening abundant mixed high velocity air, impinge upon on the inclination target plate 14 of broken wall chamber 15 by 13 injections of gas thing jet pipe, realize the operation of pulverizing and broken wall;
The high velocity air of carrying the powder that needs pulverizing and broken wall secretly is with inclination target plate 14 high-speed impacts the time, owing to have the effect that the inclination of the inclination target plate 14 of certain angle is installed, form refraction, under the acting in conjunction of falling with port of export pressure, flow to the gas thing outlet 16 consistent, finished the whole pulverizing and the operation of broken wall with refractive direction.
Export 16 materials from the gas thing and can enter negative pressure feed back pipe 9, enter and carry out broken wall through the above-mentioned steps circulation once more behind the suction chamber and pulverize through pipeline.
Embodiment
Under normal temperature condition, operating pressure is the operating mode of 0.85MPa, adopts powder wall-breaking machine of the present invention to carry out the pulverize and break cellular wall experiment of lucidum spore powder.The final products that obtained, reach 98% with observing its sporoderm-broken rate under the JSM-6360LV type SEM.
Claims (4)
1, a kind of powder wall-breaking machine, comprise suction chamber (7), gas thing mixing chamber (10) and broken wall chamber (15), the respective housings of above-mentioned three chambers is by flange (17,18) order links to each other, a jet pipe (5) that has high pressure admission mouth (4) is arranged in the suction chamber (7), on the wall of suction chamber (7) chamber, under be respectively equipped with negative pressure feed pipe (8) and negative pressure feed back pipe (9) and negative pressure feed pipe (8) and negative pressure feed back pipe (9) and all stretch out its housing, the chamber wall of the gas thing mixing chamber (10) that is connected with suction chamber (7) is provided with high pressure accelerating tube (12), the gas thing jet pipe (13) of mixing chamber (10) front end is connected with broken wall chamber (15), top, broken wall chamber (15) is provided with gas thing outlet (16), it is characterized in that, be provided with the target plate (14) of an inclination in the broken wall chamber (15), this target plate (14) has an angle α with the chamber wall that is provided with gas thing outlet (16) of broken wall chamber (15) along gas thing jet pipe (13) direction, and α is 20 °～40 °.
2, powder wall-breaking machine as claimed in claim 1 is characterized in that, the suction chamber of described powder wall-breaking machine (7) top is provided with a plurality of negative pressure feed pipes (8).
3, powder wall-breaking machine as claimed in claim 1, it is characterized in that, the chamber wall of the gas thing mixing chamber (10) of described powder wall-breaking machine is corresponding up and down to be provided with the high pressure accelerating tube (12) that is parallel to each other more than a pair of, and high pressure accelerating tube (12) is 45 °～60 ° with the angle β of mixing chamber (10) chamber wall.
4, powder wall-breaking machine as claimed in claim 1 is characterized in that, the gas thing jet pipe (13) of the mixing chamber of described powder wall-breaking machine (10) front end, the tubaeform jet pipe that reduces gradually to the spout place for caliber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100273930A CN100430144C (en) | 2006-06-08 | 2006-06-08 | Powder wall-breaking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100273930A CN100430144C (en) | 2006-06-08 | 2006-06-08 | Powder wall-breaking machine |
Publications (2)
| Publication Number | Publication Date |
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| CN1861263A CN1861263A (en) | 2006-11-15 |
| CN100430144C true CN100430144C (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100273930A Expired - Fee Related CN100430144C (en) | 2006-06-08 | 2006-06-08 | Powder wall-breaking machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI466726B (en) * | 2011-05-25 | 2015-01-01 |
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| CN102814221B (en) * | 2011-06-09 | 2014-10-29 | 稷富国际科技有限公司 | Supersonic impact smashing device |
| CN104001604B (en) * | 2014-05-01 | 2016-04-13 | 铜陵钱谊化工设备有限责任公司 | Airslide disintegrating mill nozzle structure |
| CN104001603B (en) * | 2014-05-01 | 2016-02-17 | 铜陵钱谊化工设备有限责任公司 | A kind of two injection tubular type pulverizer |
| CN105665104B (en) * | 2016-04-12 | 2018-06-12 | 苏州金宁纳米科技有限公司 | A kind of ultra-fine grain breaker and breaking method |
| CN107159420A (en) * | 2017-05-08 | 2017-09-15 | 磐安富晟食品科技有限公司 | For ganoderma lucidium spore powder wall breaking Jet Mill |
| CN107227256A (en) * | 2017-05-08 | 2017-10-03 | 浦江海璞食品科技有限公司 | Ganoderma lucidum wall-broken device |
| CN110201767A (en) * | 2019-06-19 | 2019-09-06 | 昆山千亿圆生物科技有限公司 | A kind of the broken wall equipment and its application method of Chinese medicine |
| CN112410169A (en) * | 2020-10-31 | 2021-02-26 | 重庆市金孝生物科技开发有限公司 | Low-temperature ganoderma lucidum wall breaking equipment |
| CN112427120B (en) * | 2020-10-31 | 2022-04-29 | 重庆市金孝生物科技开发有限公司 | Low-temperature ganoderma lucidum wall-breaking method |
| CN113546724B (en) * | 2021-07-27 | 2022-08-26 | 广东彩格科技有限公司 | High-performance paint grinding device and process |
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Patent Citations (8)
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| US4018388A (en) * | 1976-05-13 | 1977-04-19 | Andrews Norwood H | Jet-type axial pulverizer |
| CN1049983A (en) * | 1989-08-30 | 1991-03-20 | 佳能株式会社 | The breaking method of impact type airslide disintegrating mill and powder |
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| TWI466726B (en) * | 2011-05-25 | 2015-01-01 |
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| CN1861263A (en) | 2006-11-15 |
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Granted publication date: 20081105 Termination date: 20110608 |