A kind of air current classifying equipment
Technical field
The utility model relates to powder body material classification technique field more particularly to a kind of air current classifying equipment.
Background technique
At present in many manufacturings, need to use shunting grader, such as in ore dressing, food processing, construction material etc.
Deng.It, may be using being crushed before material classification, ball milling etc. crushes material, then carries out classification processing again, obtains
The powder of desired corresponding particle diameter distribution, but fine powder is easy to reunite in storage or process, causes in classification, no
Material can be classified well.Identical material, different particle diameter distributions have the performances such as the chemistry, physics, processing of material
Large effect.
Therefore, a kind of air current classifying equipment is needed, to solve the above technical problems.
Utility model content
The purpose of this utility model is that propose a kind of air current classifying equipment, it can be to the especially pockets of powder of powder
Carry out good classification.
For this purpose, the utility model uses following technical scheme:
A kind of air current classifying equipment, comprising:
Feed device, the feed device include feed pipe and the screw rod that is rotatably arranged in the feed pipe;Charging
Device, the feed inlet of the feeding device are connected with the discharge port of the feed pipe, be provided on the feeding device high pressure into
Air port, the high pressure air inlet are located at the upstream of the feed inlet of the feeding device;Dispersal device, the charging of the dispersal device
Mouth is connected with the discharge port of the feeding device;Grading plant including classification cabin and is arranged in more below the classification cabin
The feed inlet in a cabin that gathers materials, the classification cabin is connected with the discharge port of the dispersal device;Extractor fan, air inlet with it is described
The outlet for being classified cabin is connected.
The screw rod of feed device can break up pockets of powder broken for the first time, and dispersal device is broken to breaing up for the first time
Powder afterwards is broken up again, and pockets of powder is made substantially completely to be in bulk, and the high-pressure blast in feeding device, which is blown, to be broken up
Powder enter classification cabin in, make it under gravity, the powder of variable grain grade fall into it is different gather materials in cabin, to powder
Body material is classified, and the gas in grading plant is discharged in extractor fan;Powder body material is first broken up twice it is broken, then into
Row classification can carry out good classification to the especially pockets of powder body material of powder body material.
Preferably, the air current classifying equipment further includes dust-extraction unit, and the dust-extraction unit is connected to the grading plant
Between the extractor fan.
Preferably, the high pressure air inlet is provided with gas flow controller, and the gas flow controller can control described in entrance
The throughput of feeding device.
Preferably, the feed device further includes feeding controller and driving mechanism, the screw rod and the driving mechanism
Output end be connected, the driving mechanism is electrically connected with the feeding controller.
Preferably, it is provided with whirlwind baffle and vibrating head in the dispersal device, is arranged on the outer wall of the dispersal device
There is the ultrasonic vibrator for being able to drive the vibrating head vibration.
Preferably, hermatic door is provided on the classification cabin.
Preferably, the discharge port in the cabin that gathers materials is provided with discharging regulating valve;Multiple cabins that gather materials in linear type simultaneously
Row's setting.
Preferably, the high pressure air inlet is connected with air compressor.
Preferably, the exhaust air rate of the extractor fan is greater than the intake of the high pressure air inlet.
Preferably, the extractor fan is sealed cyclone cluster.
The utility model has the following beneficial effects: the screw rod of feed device can break up brokenly pockets of powder for the first time
Broken, dispersal device is broken up again to broken powder is broken up for the first time, and pockets of powder is made substantially completely to be in bulk, into
High-pressure blast in material device blows the powder broken up and enters in classification cabin, makes it under gravity, the powder of variable grain grade
Body fall into it is different gather materials in cabin, powder body material is classified, extractor fan be discharged grading plant in gas;To powder material
Material is first broken up broken twice, then is classified, can be carried out to the especially pockets of powder body material of powder body material good
Classification.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air current classifying equipment provided by the utility model;
Fig. 2 is the structural schematic diagram of feed device provided by the utility model;
Fig. 3 is the structural schematic diagram of dispersal device provided by the utility model;
1, air hose;2, gas flow controller;
3, feed device;31, feed pipe;32 screw rods;33, driving mechanism;34, hopper;35, feeding regulating valve;
4, feeding device;
5, dispersal device;51, ultrasonic vibrator;52, whirlwind baffle;53, vibrating head;
6, grading plant;61, it is classified cabin;611, hermatic door;62, gather materials cabin;621, discharge regulating valve;
7, dust-extraction unit;8, cyclone cluster.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
As shown in Figure 1 to Figure 3, present embodiment discloses a kind of air current classifying equipment comprising: feed device 3, charging dress
Set 4, dispersal device 5, grading plant 6, dust-extraction unit 7 and extractor fan.Feed device 3 includes feed pipe 31 and is rotationally arranged
In the screw rod 32 in feed pipe 31.The feed inlet of feeding device 4 is connected with the discharge port of feed pipe 31.It is arranged on feeding device 4
There is high pressure air inlet, high pressure air inlet is located at the upstream of the feed inlet of feeding device 4.The feed inlet of dispersal device 5 and charging fill
Set 4 discharge port be connected.Grading plant 6 includes that classification cabin 61 and the multiple cabins 62 that gather materials being arranged in below classification cabin 61 (gather materials
The quantity in cabin 62 can be selected according to actual needs).The feed inlet in classification cabin 61 is connected with the discharge port of dispersal device 5.
The air inlet of dust-extraction unit 7 is connected with the outlet in classification cabin 61.The air inlet phase of the air outlet of dust-extraction unit 7 and extractor fan
Even.
The screw rod 32 of feed device 3 can break up pockets of powder broken for the first time, and dispersal device 5 to breaing up for the first time
Broken powder is broken up again, and pockets of powder is made substantially completely to be in bulk, and the high-pressure blast in feeding device 4 is blown
The powder broken up enters in classification cabin 61, makes it under gravity, the powder of variable grain grade falls into different gather materials
In cabin 62, powder body material is classified, the powder for not falling within the smaller particle in the cabin 62 that gathers materials is filtered only by dust-extraction unit 7
Change, the gas in grading plant 6 is discharged in extractor fan;Powder body material is first broken up broken twice, then is classified, it can
Good classification is carried out to the especially pockets of powder body material of powder body material.
High pressure air inlet is connected with the air outlet of air compressor by air hose 1, and air compressor is (this of feeding device 4
It is preferably round tube in embodiment) high pressure draught is provided.Gas flow controller 2, air-flow control are provided on high pressure air inlet or air hose 1
Device 2 processed includes air pressure regulator and the air gauge that can show atmospheric pressure value, manually adjusts air pressure regulator and air pressure is adjusted,
The atmospheric pressure value shown by air gauge is convenient for accurately adjusting air pressure regulator.
Referring to Fig. 2, feed device 3 further includes feeding controller, driving mechanism 33 and feeding regulating valve 35, screw rod 32 and is driven
The output end of motivation structure 33 is connected, and driving mechanism 33 (being preferably motor in the present embodiment) is electrically connected with feeding controller, send
Material controller controls the revolving speed of driving mechanism 33 to control feeding speed.Feeding regulating valve is provided at the feed inlet of feed pipe 31
35, feeding regulating valve 35 can adjust the feeding speed and switch to feed pipe 31.Feed pipe 31 is connected with hopper 34, hopper
34 provide raw material for feed pipe 31, and the sidewall slope angle of hopper 34 is larger as far as possible, and powder body material is facilitated freely to slide into charging
Pipe.
Referring to Fig. 3, it is provided with whirlwind baffle 52 and vibrating head 53 in dispersal device 5, is provided on the outer wall of dispersal device 5
It is able to drive the ultrasonic vibrator 51 of the vibration of vibrating head 53.High pressure draught generated under the action of whirlwind baffle 52 rotation and it is disorderly
Stream, the powder that high pressure gas drives can also generate rotation and turbulent flow, and pockets of powder can be broken under the action of rotation and turbulent flow
Broken, the vibration of vibrating head 53 can also be crushed pockets of powder.
Referring to Fig.1, gather materials cabin 62 discharge port be provided with discharging regulating valve 621, it is multiple gather materials cabins 62 in linear type simultaneously
Row's setting.The powder broken up is blown by high pressure draught into classification cabin 61, under gravity, the powder of variable grain grade
Body fall into it is different gather materials in cabin 62, powder is classified.Discharging regulating valve 621 can control opening or closing for the cabin 62 that gathers materials,
It is taken out convenient for the powder after being classified.Classification is provided with hermatic door 611 on cabin 61, carries out after being easy to use to the cabin 62 that gathers materials
Cleaning is swept.
Dust-extraction unit 7 includes dust-filtering mechanism and dust collection mechanism, is detachably provided in dust-filtering mechanism
Filter core, the lesser powder of particle can enter in dust-extraction unit 7 in classification process, and dust collection mechanism can be to dust-filtering machine
The dust of structure filtering is collected.
In the present embodiment preferably, extractor fan is sealed cyclone cluster 8, and the exhaust air rate of cyclone cluster 8 is entered the wind greater than high pressure
The intake of mouth makes to form negative pressure state in grading plant 6.
The use process of the air current classifying equipment, by the discharging regulating valve 621 in the cabin 62 that gathers materials and the hermatic door in classification cabin 61
611 close;Cyclone cluster 8 and air pressure regulator are opened, makes to be passed through high pressure gas in grading plant 6, and form negative pressure state;It opens
Driving mechanism 33 rotates screw rod 32;Feeding regulating valve 35 is opened as the feed of feed pipe 31;Powder is in feed device 3, charging dress
It sets and is classified under the collective effect of 4, dispersal device 5, grading plant 6, dust-extraction unit 7 and extractor fan.
In use, control variate method can be used, to control the classification of powder, such as other constant, high pressure gas
The air pressure of stream increases, and powder can be made to be divided into more particle ranks;Other conditions are constant, reduce the inlet amount of feed pipe, can make
Powder is divided into more particle ranks.
The closing process of the air current classifying equipment closes feeding regulating valve 35;Closing motor makes screw rod 32 stop operating;It closes
Close cyclone cluster 8 and air pressure regulator;Discharging regulating valve 621 is opened, the powder after classification is taken out, in case he uses.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.