CN107837923A - A kind of fluidized bed air flow crusher and airflow pulverization method - Google Patents
A kind of fluidized bed air flow crusher and airflow pulverization method Download PDFInfo
- Publication number
- CN107837923A CN107837923A CN201711004094.XA CN201711004094A CN107837923A CN 107837923 A CN107837923 A CN 107837923A CN 201711004094 A CN201711004094 A CN 201711004094A CN 107837923 A CN107837923 A CN 107837923A
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- CN
- China
- Prior art keywords
- nozzles
- air flow
- fluidized bed
- horizontal nozzles
- angled nozzle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
- B02C19/068—Jet mills of the fluidised-bed type
Abstract
A kind of fluidized bed air flow crusher, it includes pulverizing chamber, the crushing chamber interior walls are evenly equipped with multiple horizontal nozzles on the horizontal plane vertical with the axis of the pulverizing chamber, an angled nozzle is provided between the adjacent horizontal nozzles of each two, the angled nozzle is in same level with the horizontal nozzles, the angled nozzle is along the pulverizing chamber inner wall even distribution, the angled nozzle and adjacent thereto two horizontal nozzles are placed equidistant, and the angled nozzle points to the pulverizing chamber bottom.Fluidized bed air flow crusher provided by the present invention directly can carry out transformation on the basis of existing fluidized bed air flow crusher as stated in the Background Art and be made, and can so substantially reduce manufacturing cost, and greatly reduce the presence of bed material, improve crush efficiency.Present invention also offers the application method of above-mentioned fluidized bed air flow crusher.
Description
Technical field
The present invention relates to mechanical field, more particularly to a kind of fluidized bed air flow crusher and its application method.
Background technology
Fluidized bed airflow pulverizer be compressed air by freezing, filter, dry after, through nozzle formed supersonic airstream
Pulverizing chamber is injected, it is in fluidization to make material, and accelerated material converges in the jet-stream wind joint of several nozzles, is produced violent
Collision, friction, shearing and reach the ultra-fine grinding of particle.
Present is particularly used for the fluidized bed air flow crusher that Chinese medicine crushes, and its cardinal principle is, purge drying
Compressed air enters the Laval jet pipes of 3~4 opposite positions on a horizontal plane, supersonic airstream is formed, into crushing
Device.The material for entering grinder is accelerated by supersonic airstream, forms high-speed motion Dual-Phrase Distribution of Gas olid, is mutually touched on its joint
Hit, shear；High speed two-phase fluidization bed state is formed in grinder, so as to realize ultramicro grinding；The material granular powder of 60 mesh is broken
To 2~40 microns of particulate.
After existing fluidized bed air flow crusher crushes shutdown, a part of material can be left in grinder, it is impossible to crush, lead to
Often referred to as bed material.
How to decrease or even eliminate the presence of bed material just turns into the problem of letter is to be solved.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of fluidized bed air flow crusher, to be carried before being reduced or avoided
To the problem of.Present invention also offers the application method of above-mentioned fluidized bed air flow crusher
In order to solve the above technical problems, the present invention proposes a kind of fluidized bed air flow crusher, it includes pulverizing chamber, described
Crush chamber interior walls and multiple horizontal nozzles are evenly equipped with the horizontal plane vertical with the axis of the pulverizing chamber, it is adjacent in each two
It is provided with an angled nozzle between the horizontal nozzles, the installation position of the angled nozzle and the horizontal nozzles is in same
Horizontal plane, the angled nozzle is along the pulverizing chamber inner wall even distribution, the angled nozzle and adjacent thereto two levels
Nozzle is placed equidistant, and the angled nozzle points to the pulverizing chamber bottom.
Preferably, the angle of the angled nozzle and horizontal plane is 15~50 degree.
Preferably, the horizontal nozzles are 3~4.
Preferably, vertical line of the installation position of the axis of the horizontal nozzles and the horizontal nozzles to the crushing chamber axis
With 1~5 degree of angle；Further, projection and the peace of the angled nozzle of the axis of the angled nozzle in horizontal plane
Filling position has 1~5 degree of angle to the vertical line of the crushing chamber axis.
Present invention also offers a kind of airflow pulverization method, uses fluidized bed airflow described in the application any one embodiment
Pulverizer, it comprises the following steps,
Step A, make all horizontal nozzles operation 5~10 minutes,
Step B, make two adjacent or relative horizontal nozzles and two adjacent or relative angled nozzle fortune
Row 2~5 minutes,
Step C, repeat step A and step B to 95% material are completed to crush,
Step D, after making all angled nozzle operations 5~10 minutes, while keeping the angled nozzle operation, open
Open all horizontal nozzles to run 10 minutes, complete to crush.
Preferably, in stepb, when the horizontal nozzles are 4, two relative horizontal nozzles and homonymy are made
Two angled nozzles operations.When the horizontal nozzles are 3, make two adjacent horizontal nozzles and homonymy
Two angled nozzle operations.
Fluidized bed air flow crusher provided by the present invention can be directly in existing fluid bed gas as stated in the Background Art
Transformation is carried out on the basis of stream pulverizer to be made, can so substantially reduce manufacturing cost, and greatly reduces the presence of bed material, is lifted
Crush efficiency.Present invention also offers the application method of above-mentioned fluidized bed air flow crusher.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein,
Fig. 1 is to be illustrated according to a kind of structural principle of fluidized bed air flow crusher of the specific embodiment of the present invention
Figure；
Fig. 2 is the partial cross principle schematic diagram of pulverizing chamber in Fig. 1；
Fig. 3 is the sectional structure principle schematic of nozzle in Fig. 1.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now control illustrates this hair
Bright embodiment.Wherein, identical part uses identical label.
Fig. 1 is to be illustrated according to a kind of structural principle of fluidized bed air flow crusher of the specific embodiment of the present invention
Figure；Fig. 2 is the partial cross principle schematic diagram of pulverizing chamber in Fig. 1；Fig. 3 is the sectional structure principle signal of nozzle in Fig. 1
Figure.Referring to shown in Fig. 1~3, the invention provides a kind of fluidized bed air flow crusher, and it includes pulverizing chamber 100, the pulverizing chamber
100 inwalls are evenly equipped with multiple horizontal nozzles 1 on the horizontal plane vertical with the axis of the pulverizing chamber 100, adjacent in each two
The horizontal nozzles 1 between be provided with an angled nozzle 2, the angled nozzle 2 with the installation position of the horizontal nozzles 1
In same level, the angled nozzle 2 is along the inner wall even distribution of pulverizing chamber 100, the angled nozzle 2 and adjacent thereto two
The individual horizontal nozzles 1 are placed equidistant, and the angled nozzle 2 points to the bottom of pulverizing chamber 100.
The angle α of the angled nozzle 2 and horizontal plane can be 15~50 degree, described in the angled nozzle 2 points to
The bottom of pulverizing chamber 100, therefore, when the angled nozzle 2 works, you can be easy to make pulverizing chamber bed material further participate in powder
It is broken, so as to decrease or even eliminate the presence of bed material.
Fluidized bed air flow crusher provided by the present invention can be directly in existing fluid bed gas as stated in the Background Art
Transformation is carried out on the basis of stream pulverizer to be made, that is to say, that the horizontal nozzles 1 can be that 3 or 4 laval jet pipes, Fig. 3 show
What is shown is the situation that the horizontal nozzles 1 are 3, as shown in figure 3, the horizontal nozzles 1, which are spaced 120 degree, is distributed on the crushing
The side wall of room 100, the angled nozzle 2 are arranged at intervals with the horizontal nozzles 1, it is, between 3 angled nozzles 2 are also
The side wall of pulverizing chamber 100 is distributed on every 120 degree.
It will be appreciated by those skilled in the art that when the horizontal nozzles 1 are 4, each interval of horizontal nozzles 1 90
Degree is distributed on the side wall of pulverizing chamber 100, and the angled nozzle 2 is arranged at intervals with the horizontal nozzles 1, that is to say, that 4 institutes
State angled nozzle 2 and 90 degree of interval is distributed on the side wall of pulverizing chamber 100.
The horizontal nozzles 1 and the angled nozzle 2 can all point to the axis of the pulverizing chamber 100, certainly, the water
Flat nozzle 1 and the angled nozzle 2 can also be not directed to the axis of the pulverizing chamber 100, for example, the axle of the horizontal nozzles 1
Line can be with the installation positions of the horizontal nozzles 1 to having 1~5 degree of angle between the axis vertical line of the pulverizing chamber 100, equally
, the axis of the angled nozzle 2 can also be with the installation position of the angled nozzle 2 to the pulverizing chamber in the projection of horizontal plane
There is 1~5 degree of angle between the vertical line of 100 axis.It so may be such that turbulent flow occurs for the air-flow in the pulverizing chamber 100, from
And preferably make bed material participate in crushing, it can also be greatly decreased or even eliminate the presence of bed material
The application method of fluidized bed air flow crusher provided by the present invention can be；
Step A, make all operation of horizontal nozzles 1 5~10 minutes,
Step B, make two adjacent or relative horizontal nozzles 1 and two adjacent or relative angled nozzles 2
Operation 2~5 minutes,
For example, two adjacent horizontal nozzles and two adjacent angled nozzles are made to run 2 minutes；Example again
Such as, two adjacent horizontal nozzles and two adjacent angled nozzles are made to run 5 minutes；For another example make two phases
To the horizontal nozzles and two relative angled nozzles run 2 minutes；For another example make two relative levels
Nozzle and two relative angled nozzles are run 5 minutes；
Step C, repeat step A and step B to more than 90% material are completed to crush；It is further preferred that repeat step A
Complete to crush with more than step B to 95% (or 99%, 99.5%, 99.9%) material；
Step D, after making all operations of angled nozzle 2 5~10 minutes, while keeping the operation of angled nozzle 2,
Open all horizontal nozzles 1 to run 10 minutes, complete to crush.
In stepb, when the horizontal nozzles 1 are 4, the two of the horizontal nozzles 1 of relative two and homonymy is made
The individual angled nozzle 2 is run.When the horizontal nozzles 1 are 3, make the horizontal nozzles 1 of adjacent two and homonymy
Two angled nozzles 2 are run.
Fluidized bed air flow crusher provided by the present invention can be directly in existing fluid bed gas as stated in the Background Art
Transformation is carried out on the basis of stream pulverizer to be made, can so substantially reduce manufacturing cost, and greatly reduces the presence of bed material, is lifted
Crush efficiency.Present invention also offers the application method of above-mentioned fluidized bed air flow crusher.
It will be appreciated by those skilled in the art that although the present invention is described in the way of multiple embodiments,
It is that not each embodiment only includes an independent technical scheme.So narration is used for the purpose of for the sake of understanding in specification,
The skilled in the art should refer to the specification as a whole is understood, and by technical scheme involved in each embodiment
The modes of different embodiments can be mutually combined into understand protection scope of the present invention by regarding as.
The schematical embodiment of the present invention is the foregoing is only, is not limited to the scope of the present invention.It is any
Those skilled in the art, equivalent variations, modification and the combination made on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention all should be belonged to.
Claims (7)
1. a kind of fluidized bed air flow crusher, it includes pulverizing chamber, and the crushing chamber interior walls are hung down in the axis with the pulverizing chamber
Multiple horizontal nozzles are evenly equipped with straight horizontal plane, it is characterised in that set between the adjacent horizontal nozzles of each two
There is an angled nozzle, the angled nozzle and the horizontal nozzles are in same level, and the angled nozzle is along the powder
Broken chamber interior walls are uniform, and the angled nozzle and adjacent thereto two horizontal nozzles are placed equidistant, and the angled nozzle refers to
To the pulverizing chamber bottom.
2. fluidized bed air flow crusher according to claim 1, it is characterised in that the folder of the angled nozzle and horizontal plane
Angle is 15~50 degree.
3. fluidized bed air flow crusher according to claim 1, it is characterised in that the horizontal nozzles are 3~4.
4. fluidized bed air flow crusher according to claims 1 to 3, it is characterised in that the axis of the angled nozzle is in water
The projection of plane has 1~5 degree of angle with the installation position of the angled nozzle to the line of the crushing chamber axis.
5. fluidized bed air flow crusher according to claim 4, it is characterised in that the axis of the horizontal nozzles with it is described
The installation position of horizontal nozzles has 1~5 degree of angle to the vertical line of the crushing chamber axis.
6. a kind of airflow pulverization method, for any one fluidized bed air flow crusher described in Claims 1 to 5, its feature exists
In, it comprises the following steps,
Step A, make all horizontal nozzles operation 5~10 minutes,
Step B, make two adjacent or relative horizontal nozzles and two adjacent or relative angled nozzles operations 2~
5 minutes,
Step C, repeat step A and step B to more than 95% material are completed to crush,
Step D, after making all angled nozzle operations 5~10 minutes, while keeping the angled nozzle operation, open complete
Horizontal nozzles described in portion are run 10 minutes, complete to crush.
7. according to the method for claim 6, it is characterised in that in stepb, when the horizontal nozzles are 4, make phase
To two horizontal nozzles and two of the homonymy angled nozzles operations.When the horizontal nozzles are 3, make adjacent
Two horizontal nozzles and two of the homonymy angled nozzles operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004094.XA CN107837923A (en) | 2017-10-24 | 2017-10-24 | A kind of fluidized bed air flow crusher and airflow pulverization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004094.XA CN107837923A (en) | 2017-10-24 | 2017-10-24 | A kind of fluidized bed air flow crusher and airflow pulverization method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107837923A true CN107837923A (en) | 2018-03-27 |
Family
ID=61662784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711004094.XA Pending CN107837923A (en) | 2017-10-24 | 2017-10-24 | A kind of fluidized bed air flow crusher and airflow pulverization method |
Country Status (1)
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| CN (1) | CN107837923A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020131120A (en) * | 2019-02-20 | 2020-08-31 | 健三 伊藤 | Jet mill and crushing material crushing method using jet mill |
| CN114713349A (en) * | 2021-01-06 | 2022-07-08 | 廊坊新龙立机械制造有限公司 | Fluidized bed type air flow crusher integrating differential pressure crushing and air explosion crushing |
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| CN114713349A (en) * | 2021-01-06 | 2022-07-08 | 廊坊新龙立机械制造有限公司 | Fluidized bed type air flow crusher integrating differential pressure crushing and air explosion crushing |
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