CN207169954U - A kind of airflow crushing system of fluidized bed - Google Patents
A kind of airflow crushing system of fluidized bed Download PDFInfo
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- CN207169954U CN207169954U CN201720966919.5U CN201720966919U CN207169954U CN 207169954 U CN207169954 U CN 207169954U CN 201720966919 U CN201720966919 U CN 201720966919U CN 207169954 U CN207169954 U CN 207169954U
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- air
- heat exchanger
- heater
- fluidized bed
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Abstract
A kind of airflow crushing system of fluidized bed, belong to powder disintegrating apparatus technical field；The problem of for its quality may be influenceed because of humid air in high purity alumina powder fluid bed crushing process of the prior art, the utility model provides a kind of airflow crushing system of fluidized bed, including First Heat Exchanger, air freeze drier, the second heat exchanger, air heater, fluidised bed granulator, cyclone separator, sack cleaner and air-introduced machine；By the recovery of First Heat Exchanger and the second heat exchanger to waste heat or cold air energy, high purity alumina powder can not only be protected, while energy-conserving and environment-protective.
Description
Technical field
It the utility model is related to powder disintegrating apparatus technical field, and in particular to a kind of airflow crushing system of fluidized bed.
Background technology
, it is necessary to which the powder of bulky grain is ground into by fluidized bed air flow crusher in the preparation of alundum (Al2O3) high-purity powder
Short grained powder, to meet required granularity；But for alundum (Al2O3) high-purity powder, the particularly oxidation of nanometer three two
Aluminium high-purity powder, there is loose structure inside it, product quality is easily influenceed by humid air, in the prior art using dehumidifying dress
Put and air is dehumidified, but often energy consumption is big；Cryogenic air or normal temperature air can not also be carried out to alundum (Al2O3) simultaneously
It is further to dry.
Utility model content
Technical problem to be solved in the utility model is：A kind of airflow crushing system of fluidized bed is provided, can not only be real
The now drying and heating to air, while waste heat therein can be made full use of, and then energy-conserving and environment-protective.
Technical solution adopted in the utility model is：A kind of airflow crushing system of fluidized bed, including First Heat Exchanger, sky
Be gas-cooled lyophilizer, the second heat exchanger, air heater, fluidised bed granulator, cyclone separator, sack cleaner and air inducing
Machine；The normal temperature air import connection external blower of described First Heat Exchanger, the bottom setting refrigerant import of First Heat Exchanger,
Top sets refrigerant exit, side surface upper part to set air outlet slit, wherein air outlet slit connection air freeze drier, refrigerant import
The cold-air vent of air freeze drier is connected, refrigerant exit connects the inlet of cold air of the second heat exchanger, cold-air vent
Air heater is connected, air heater connects the pressure-air import of fluidised bed granulator, the discharging opening of fluidised bed granulator
Connect cyclone separator, the air inlet of the top air outlet connection sack cleaner of cyclone separator, the air-out of sack cleaner
Mouth is connected with air-introduced machine, and the air outlet of air-introduced machine is connected with the Heating medium of the second heat exchanger, heating agent outlet emptying.
Further, the outer surface parcel one layer of heat preservation layer of described fluidised bed granulator.
Further, described air heater is electric heater, and its heater element is PTC heat generating ceramics.
The beneficial effects of the utility model are：The utility model is air-dried by freeze drier, passes through air
Heater is heated, and realizes the drying and heating of air；The Cryogenic air of freeze drier is to freeze drier entrance normal temperature
Air carries out precooling, and it is heated after go out the hot-air of fluidised bed granulator air heater inlet air preheated, enter
And energy is made full use of, reduce the waste of energy.
Brief description of the drawings
Fig. 1 is a kind of structural representation of airflow crushing system of fluidized bed.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
A kind of airflow crushing system of fluidized bed as shown in Figure 1, including First Heat Exchanger 1, air freeze drier 2, the
Two heat exchangers 3, air heater 4, fluidised bed granulator 5, cyclone separator 6, sack cleaner 7 and air-introduced machine 8；Described
The normal temperature air import 11 of one heat exchanger 1 connects external blower, and the bottom of First Heat Exchanger 1 sets refrigerant import 14, top
Set refrigerant exit 13, side surface upper part that air outlet slit 13 is set, wherein air outlet slit 13 connects air freeze drier 2, refrigerant
Import 14 connects the cold-air vent of air freeze drier 2, and refrigerant exit 13 connects the inlet of cold air of the second heat exchanger 3
31, cold-air vent 32 connects air heater 4, and air heater 4 connects the pressure-air import of fluidised bed granulator 5, stream
Change the discharging opening connection cyclone separator 6 of bed pulverizer 5, the top air outlet connection sack cleaner 7 of cyclone separator 6 enters
Air port, the air outlet of sack cleaner 7 are connected with air-introduced machine 8, the Heating medium of the air outlet of air-introduced machine 8 and the second heat exchanger 3
34 connections, the emptying of heating agent outlet 33.
The outer surface parcel one layer of heat preservation layer of described fluidised bed granulator 5.
Described air heater 4 is electric heater, and its heater element is PTC heat generating ceramics.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.This reality
It is not restricted to the described embodiments with new, simply illustrates original of the present utility model described in above-described embodiment and specification
Reason, the utility model also has various changes and modifications on the premise of the spirit and scope of the utility model is not departed from, these changes
Change and improve and both fall within claimed the scope of the utility model.The utility model requires protection scope is by appended right
Claim and its equivalent define.
Claims (3)
1. a kind of airflow crushing system of fluidized bed, it is characterised in that including First Heat Exchanger（1）, air freeze drier（2）、
Second heat exchanger（3）, air heater（4）, fluidised bed granulator（5）, cyclone separator（6）, sack cleaner（7）And air inducing
Machine（8）；Described First Heat Exchanger（1）Normal temperature air import（11）Connect external blower, First Heat Exchanger（1）Bottom
Refrigerant import is set（14）, top set refrigerant exit（13）, side surface upper part set air outlet slit（13）, wherein air outlet slit
（13）Connect air freeze drier（2）, refrigerant import（14）Connect air freeze drier（2）Cold-air vent, refrigerant
Outlet（13）Connect the second heat exchanger（3）Inlet of cold air（31）, cold-air vent（32）Connect air heater（4）, it is empty
Hot-air heater（4）Connect fluidised bed granulator（5）Pressure-air import, fluidised bed granulator（5）Discharging opening connection whirlwind
Separator（6）, cyclone separator（6）Top air outlet connection sack cleaner（7）Air inlet, sack cleaner（7）'s
Air outlet and air-introduced machine（8）Connection, air-introduced machine（8）Air outlet and the second heat exchanger（3）Heating medium（34）Connection, heating agent
Outlet（33）Emptying.
A kind of 2. airflow crushing system of fluidized bed as claimed in claim 1, it is characterised in that described fluidised bed granulator
（5）Outer surface parcel one layer of heat preservation layer.
A kind of 3. airflow crushing system of fluidized bed as claimed in claim 1, it is characterised in that described air heater（4）
For electric heater, its heater element is PTC heat generating ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720966919.5U CN207169954U (en) | 2017-08-04 | 2017-08-04 | A kind of airflow crushing system of fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720966919.5U CN207169954U (en) | 2017-08-04 | 2017-08-04 | A kind of airflow crushing system of fluidized bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207169954U true CN207169954U (en) | 2018-04-03 |
Family
ID=61744176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720966919.5U Expired - Fee Related CN207169954U (en) | 2017-08-04 | 2017-08-04 | A kind of airflow crushing system of fluidized bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207169954U (en) |
-
2017
- 2017-08-04 CN CN201720966919.5U patent/CN207169954U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20180804 |