CN210045365U - Airflow grading crushing device for laboratory - Google Patents
Airflow grading crushing device for laboratory Download PDFInfo
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- CN210045365U CN210045365U CN201920518551.5U CN201920518551U CN210045365U CN 210045365 U CN210045365 U CN 210045365U CN 201920518551 U CN201920518551 U CN 201920518551U CN 210045365 U CN210045365 U CN 210045365U
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- fluidized bed
- classifier
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- dust
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Abstract
The utility model discloses an airflow grading crushing device for laboratory belongs to airflow grading crushing device equipment technical field. It includes the frame, sets up crushing portion and the dust removal portion in the frame, and crushing portion includes: the device comprises a charging hopper, a charging machine, a fluidized bed crusher and a classifier, wherein the charging machine is arranged below the charging hopper, the output end of the charging machine is connected with a feeding hole of the fluidized bed crusher, the classifier is arranged above the fluidized bed crusher and is communicated with a dust removal part through a pipeline; the induced draft assembly comprises an induced draft fan, an air distribution chamber, a cold dryer, an air storage tank and an air compressor which are sequentially communicated, wherein the induced draft fan is arranged on the rack and is communicated with the dust remover through a pipeline; a precision filter is arranged between the air distribution chamber and the cold dryer, and an oil-water separator is arranged between the cold dryer and the air storage tank. The superfine powder crusher has compact structure, small occupied area and high crushing and grading efficiency, and is suitable for preparing superfine powder in a laboratory.
Description
Technical Field
The utility model relates to an air current grading reducing mechanism equipment technical field, concretely relates to laboratory is with air current grading reducing mechanism.
Background
The principle of the jet milling classifier is that the lower part is a nozzle which is arranged oppositely to release supersonic airflow to enable the materials to collide relatively, the materials are in a fluidized state in a cavity, a centrifugal force field is generated by rotating a classifying wheel at a high speed, the crushed gas-solid two-phase flow is guided to move from outside to inside through blade gaps of the classifying wheel and is settled in a crushing cavity to be continuously crushed under the action of gravity, and smaller particles enter the next step of treatment along with the airflow under the action of gas drag force.
At present, most of the used jet mills have large volume, complex pipelines and low grading precision, and are not suitable for preparing superfine powder in a laboratory.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an airflow grading crushing device is used in laboratory to it is complicated, hierarchical precision is low to solve current airflow grading crushing device structure, and is not applicable to the problem in laboratory.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
an airflow grading crushing device for a laboratory comprises a rack, a crushing part and a dust removing part, wherein the crushing part and the dust removing part are arranged on the rack; the crushing section includes: the device comprises a charging hopper, a charging machine, a fluidized bed crusher, a classifier and a gas distribution assembly, wherein the charging machine is arranged below the charging hopper, the output end of the charging machine is connected with a feed inlet of the fluidized bed crusher, the classifier is arranged above the fluidized bed crusher and is communicated with a dust removal part through a pipeline; the gas distribution assembly is communicated with the fluidized bed pulverizer; the air distribution assembly comprises an air distribution chamber, a cold dryer, an air storage tank and an air compressor which are sequentially communicated, and the air distribution chamber is communicated with the fluidized bed pulverizer; a precision filter is arranged between the air distribution chamber and the cold dryer, and an oil-water separator is arranged between the cold dryer and the air storage tank.
Further, in a preferred embodiment of the present invention, the dust removing part includes a dust remover and an induced draft fan, and the dust remover is communicated with the classifier; the induced draft fan sets up in the frame and passes through the pipeline intercommunication with the dust remover.
Further, in a preferred embodiment of the present invention, the feeding machine is fixed to the frame through a support frame.
The beneficial effects of adopting the further scheme are as follows: fix the feeder through the support frame, be favorable to the stability of feeder work.
Further, in the preferred embodiment of the present invention, a finished product collecting bin is disposed below the dust remover, and the longitudinal center lines of the dust remover and the finished product collecting bin coincide with each other.
The beneficial effects of adopting the further scheme are as follows: the arrangement of the longitudinal center lines in a superposition manner avoids the accumulation of products on the inner wall of the dust remover or the connection position of the dust remover and the material collecting bin, and is favorable for collecting finished products obtained by dust removal classification in the material collecting bin.
Further, in the preferred embodiment of the present invention, the discharge hole of the finished product collecting bin is provided with a manual butterfly valve.
The beneficial effects of adopting the further scheme are as follows: the manual butterfly valve has the advantages of simple structure, small volume, light weight, good fluid control characteristic, and simple and quick opening and closing by manual operation.
Further, in a preferred embodiment of the present invention, the feeding machine is a vibration feeding machine.
The beneficial effects of adopting the further scheme are as follows: the adopted vibrating type feeder has light weight, low noise and reliable work, and is more suitable for laboratories.
Further, in a preferred embodiment of the present invention, the classifier is a turbine classifier.
The beneficial effects of adopting the further scheme are as follows: the adopted turbine classifier has wide classification range, high classification precision and high classification efficiency, and can be suitable for different classification requirements of laboratories.
Further, in a preferred embodiment of the present invention, the dust remover is a pulse dust remover.
The beneficial effects of adopting the further scheme are as follows: the adopted pulse dust collector has high dust collection efficiency, strong dust removal capacity and small occupied area, and is more suitable for the use requirement of a laboratory.
Further, in a preferred embodiment of the present invention, the bottom of the frame is further provided with rollers.
The beneficial effects of adopting the further scheme are as follows: the rack with the rollers is convenient to move.
The utility model discloses following beneficial effect has:
1. the utility model discloses an airflow grading reducing mechanism is used in laboratory, its compact structure, area are little, smash and classification efficiency is high, applicable in the laboratory preparation superfine powder.
2. A precise filter is arranged between the air distribution chamber and the cold dryer, so that water, oil, dust, particles and other impurities in the compressed air can be removed to the maximum extent, and the compressed air is purified.
3. An oil-water separator is arranged between the cold dryer and the air storage tank, the oil-water separation effect is high, oil and water in the compressed air can be effectively removed, and the compressed air is further purified.
4. The compressed gas delivered from the air compressor can be uniformly distributed in each supersonic nozzle in the fluidized bed pulverizer through the air distribution chamber, so that the airflow in the fluidized bed pulverizer is more stable, and the noise generated by the operation of the fluidized bed pulverizer is smaller.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 100-a frame; 110-; 200-a grinding section; 210-a loading hopper; 220-a feeder; 230-fluidized bed pulverizer; 240-classifier; 250-a gas distribution assembly; 251-a gas distribution chamber; 252-a freeze dryer; 253-an air storage tank; 254-an air compressor; 255-precision filter; 256-oil water separator; 260-a support frame; 300-a dust removal part; 310-a dust remover; 311-finished product collection bin; 312-manual butterfly valve; 320-induced draft fan.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1, the airflow classifying and pulverizing apparatus for laboratory of the present invention includes a frame 100, a pulverizing part 200 and a dust removing part 300, wherein the pulverizing part 200 and the dust removing part 300 are disposed on the frame 100. In this embodiment, the bottom of the frame 100 is further provided with a roller 110 for moving.
Referring to fig. 1, the crushing portion 200 includes: the system comprises a loading hopper 210, a loading machine 220, a fluidized bed pulverizer 230, a classifier 240 and a gas distribution assembly 250, wherein the loading machine 220 is fixed on a machine frame 100 through a support frame 260, and the loading machine 220 is fixed through the support frame 260, so that the stability of the operation of the loading machine 220 is facilitated. The feeder 220 is disposed under the hopper 210, and an output end of the feeder 220 is connected to a feed port of the fluidized bed pulverizer 230, and a classifier 240 is disposed above the fluidized bed pulverizer 230, and the classifier 240 is communicated with the dust removing part 300 through a pipe. The gas distribution assembly 250 is communicated with the fluidized bed pulverizer 230, wherein the gas distribution assembly 250 comprises a gas distribution chamber 251, a cold dryer 252, a gas storage tank 253 and an air compressor 254 which are sequentially communicated, and the gas distribution chamber 251 is communicated with the fluidized bed pulverizer 230; a precision filter 255 is arranged between the air distribution chamber 251 and the cold dryer 252, and an oil-water separator 256 is arranged between the cold dryer 252 and the air storage tank 253. After the air is compressed by the air compressor 254, the air tank 253, and the cooling dryer 252, the compressed air delivered from the air compressor 254 is uniformly distributed in each supersonic nozzle of the fluidized bed pulverizer 230 in the air distribution chamber 251 through a pipeline. In this embodiment, the adopted feeder 220 is a vibration feeder, which has light weight, low noise and reliable operation, and is more suitable for laboratories; the air compressor 325 is a screw air compressor; the adopted oil-water separator 256 is a filler type oil-water separator, has high oil-water separation effect, can effectively remove oil and water in the compressed air, and has the function of further purifying the compressed air; the precision filter 255 can remove water, oil, dust, particles and other impurities in the compressed air to the maximum extent, and has the function of purifying the compressed air.
Referring to fig. 1, the dust removing part 300 includes a dust remover 310 and an induced draft fan 320, the dust remover 310 is communicated with the classifier 240, a finished product collecting bin 311 is disposed below the dust remover 310, and longitudinal center lines of the dust remover 310 and the finished product collecting bin 311 are coincident. The induced draft fan 320 is disposed on the frame 100, and the induced draft fan 320 is communicated with the dust collector 310 through a pipe. In this embodiment, a discharge port of the finished product collecting bin 311 is provided with a manual butterfly valve 312; the adopted grader 240 is a turbine grader, and the turbine grader has wide grading range, high grading precision and grading efficiency and can be suitable for different grading requirements of laboratories; the dust remover 310 used is a pulse dust remover; the dust collector 310 used is a pulse dust collector. The pulse dust collector has high dust collection efficiency, strong dust removal capacity and small occupied area, and is more suitable for the use requirement of a laboratory.
The utility model discloses a working process: need smash hierarchical product and follow the utility model discloses a loading hopper gets into, enters into fluidized bed rubbing crusher through the feeder and smashes after, qualified crushed aggregates up to standard then in time grades through the grader, avoids qualified crushed aggregates to fall back once more along with unqualified crushed aggregates and smashes the chamber and increase and smash the number of times. The crushed aggregates classified by the classifier are subjected to dust removal treatment by a dust remover, and the crushed aggregates subjected to dust removal are collected in a product collecting bin of the dust remover. And finally obtaining the superfine powder by the treatment of a fluidized bed pulverizer and a classifier. The air in the air distribution assembly is compressed by the air compressor, the air storage tank and the cold dryer and then is uniformly distributed in each supersonic nozzle of the fluidized bed pulverizer by the pipeline, so that the airflow in the fluidized bed pulverizer is more stable, and the noise generated by the operation of the fluidized bed pulverizer is smaller.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The airflow grading crushing device for the laboratory is characterized by comprising a rack (100), a crushing part (200) and a dust removing part (300), wherein the crushing part (200) and the dust removing part are arranged on the rack (100);
the crushing section (200) includes: the device comprises a feeding hopper (210), a feeding machine (220), a fluidized bed pulverizer (230), a classifier (240) and a gas distribution assembly (250), wherein the feeding machine (220) is arranged below the feeding hopper (210), the output end of the feeding machine (220) is connected with a feed inlet of the fluidized bed pulverizer (230), the classifier (240) is arranged above the fluidized bed pulverizer (230), and the classifier (240) is communicated with a dust removal part (300) through a pipeline; the gas distribution assembly (250) is communicated with the fluidized bed pulverizer (230);
the air distribution assembly comprises an air distribution chamber (251), a cold dryer (252), an air storage tank (253) and an air compressor (254) which are sequentially communicated, and the air distribution chamber (251) is communicated with the fluidized bed pulverizer (230); a precision filter (255) is arranged between the air distribution chamber (251) and the cold dryer (252), and an oil-water separator (256) is arranged between the cold dryer (252) and the air storage tank (253).
2. The laboratory jet mill apparatus according to claim 1, wherein the dust removing part (300) comprises a dust remover (310) and an induced draft fan (320), the dust remover (310) communicating with the classifier (240); the induced draft fan (320) is arranged on the rack (100) and communicated with the dust remover (310) through a pipeline.
3. The laboratory jet mill apparatus of claim 1, wherein the feeder (220) is secured to the frame (100) by a support bracket (260).
4. The laboratory jet mill apparatus of claim 2, characterized in that a finished product collecting bin (311) is arranged below the dust collector (310), and the longitudinal center lines of the dust collector (310) and the finished product collecting bin (311) are coincident.
5. Airflow staged crushing device for laboratories according to claim 4, characterised in that the outlet of the product collecting bin (311) is provided with a manual butterfly valve (312).
6. The laboratory jet mill apparatus according to any of the claims 1 to 4, characterized in that the feeder (220) is a vibration feeder.
7. The laboratory jet mill apparatus according to any of claims 1 to 4, wherein the classifier (240) is a turbine classifier.
8. The laboratory jet mill apparatus of claim 4, wherein the dust collector (310) is a pulse dust collector.
9. Airflow mill apparatus for laboratory use according to any of claims 1-4, characterised in that the bottom of the housing (100) is also provided with rollers (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920518551.5U CN210045365U (en) | 2019-04-16 | 2019-04-16 | Airflow grading crushing device for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920518551.5U CN210045365U (en) | 2019-04-16 | 2019-04-16 | Airflow grading crushing device for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210045365U true CN210045365U (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920518551.5U Expired - Fee Related CN210045365U (en) | 2019-04-16 | 2019-04-16 | Airflow grading crushing device for laboratory |
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| CN (1) | CN210045365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619868A (en) * | 2020-11-13 | 2021-04-09 | 四川实创微纳科技有限公司 | Bamboo powder production device and method with inert gas protection |
-
2019
- 2019-04-16 CN CN201920518551.5U patent/CN210045365U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619868A (en) * | 2020-11-13 | 2021-04-09 | 四川实创微纳科技有限公司 | Bamboo powder production device and method with inert gas protection |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20210416 |
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| CF01 | Termination of patent right due to non-payment of annual fee |