CN203508400U - Multiple classification system of aluminum powder - Google Patents
Multiple classification system of aluminum powder Download PDFInfo
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- CN203508400U CN203508400U CN201320636723.1U CN201320636723U CN203508400U CN 203508400 U CN203508400 U CN 203508400U CN 201320636723 U CN201320636723 U CN 201320636723U CN 203508400 U CN203508400 U CN 203508400U
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Abstract
The utility model relates to a multiple classification system of aluminum powder. The multiple classification system of the aluminum powder comprises three levels of aluminum powder classification devices; the powder outlet of the former level of aluminum powder classification device is connected with the powder inlet of the latter level of aluminum powder classification device; the powder inlet of the first level of aluminum powder classification device is connected with the powder outlet of an aluminum powder pulverizing device; the powder outlet of the last level of aluminum powder classification device is connected with the air inlet of a cyclone dust removal machine; the aluminum powder classification devices have the same structure which comprises a centrifugal classifier, a buffer tank which is used for collecting coarse powder which is separated out of the current level of aluminum powder classification device and a conveying material tank which is used for conveying the coarse powder in the buffer tank to an aluminum powder packaging unit. According to the multiple classification system of aluminum powder, the multiple classification of the aluminum powder can be achieved through the plurality of aluminum powder classification devices and accordingly the technical problem that particle size distribution of the classification of the aluminum powder is wide in range is solved.
Description
Technical field
The utility model relates to a kind of aluminium powder multiple fractionation system.
Background technology
In the prior art, in the production process of aluminium powder, be unable to do without hierarchy system, hierarchy system is carried out classification according to need of production to the aluminium powder of different-diameter to aluminium powder raw material, traditional grader has aluminium powder graded particie and controls not strict, the aluminium powder of the easy different-diameter that adulterates in superfine aluminium power, grading effect often cannot meet need of production.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of aluminium powder multiple fractionation system, and this aluminium powder multiple fractionation system has solved particle size range that aluminium powder classification the exists wide technical problem that distributes.
In order to solve the problems of the technologies described above, the utility model provides a kind of aluminium powder multiple fractionation system, comprising: three grades of aluminium powder grading plants, and the meal outlet of previous stage aluminium powder grading plant is connected with the powder inlet of rear one-level aluminium powder grading plant; Wherein, the powder inlet of first order aluminium powder grading plant is connected with the meal outlet of aluminium powder fuel pulverizing plant; The meal outlet of final stage aluminium powder grading plant is connected with the air inlet of cyclone dust removal machine; Described each aluminium powder grading plant comprises: centrifugal classifier, be applicable to collect the surge tank when the isolated meal of aluminium powder grading plant of prime, and be suitable for the meal in this surge tank to be delivered to the transmission batch can of aluminium powder packaging unit.
In order better to realize impeller speed governing, described centrifugal classifier comprises: be suitable for the three-phase alternating-current motor that drives impeller is rotated, this three-phase alternating-current motor is connected with a converter plant, and this converter plant is suitable for described three-phase alternating-current motor to carry out speed governing.
Described converter plant comprises: three-phase inverter, this three-phase inverter is by a Single-chip Controlling, the DC side of this three-phase inverter, AC are respectively equipped with direct current, alternating voltage current detection circuit, and described direct current, alternating voltage current detection circuit are connected with described single-chip microcomputer.Described single-chip microcomputer is suitable for producing SVPWM modulation signal.
The utility model has positive effect with respect to prior art: the utility model by some aluminium powder grading plants, is realized the multiple fractionation of aluminium powder, has solved particle size range that aluminium powder classification the exists wide technical problem that distributes.
Accompanying drawing explanation
In order to clearly demonstrate innovative principle of the present utility model and than the technical advantage of existing product, below by means of accompanying drawing by a possible embodiment of limiting examples explanation of the described principle of application.In the drawings:
Fig. 1 is the structural representation of aluminium powder multiple fractionation system of the present utility model;
The circuit structure block diagram of Fig. 2 DC voltage module of the present utility model and converter plant;
The circuit structure block diagram of Fig. 3 converter plant of the present utility model.
Wherein, aluminium powder grading plant 1, aluminium powder fuel pulverizing plant 2, cyclone dust removal machine 3.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated:
As shown in Figure 1, a kind of aluminium powder multiple fractionation system, comprising: three grades of aluminium powder grading plants 1, and the meal outlet of previous stage aluminium powder grading plant is connected with the powder inlet of rear one-level aluminium powder grading plant; Wherein, the powder inlet of first order aluminium powder grading plant is connected with the meal outlet of aluminium powder fuel pulverizing plant 2; The meal outlet of final stage aluminium powder grading plant is connected with the air inlet of cyclone dust removal machine 3; The structure of described each aluminium powder grading plant 1 is identical, and it comprises: centrifugal classifier, be applicable to collect the surge tank when the isolated meal of aluminium powder grading plant of prime, and be suitable for the meal in this surge tank to be delivered to the transmission batch can of aluminium powder packaging unit.
Described superfine aluminium power is that diameter requirement is at the particle of 0.5-12 μ m.
Raw material by the isolated aluminium powder of the described aluminium powder multiple fractionation system first order as second level separation, separated so layer by layer, until isolated aluminium powder meets production requirement.
As shown in Figure 2, described centrifugal classifier comprises: be suitable for the three-phase alternating-current motor that drives impeller is rotated, this three-phase alternating-current motor is connected with a converter plant, this converter plant is suitable for described three-phase alternating-current motor to carry out speed governing, described converter plant is connected with a direct current voltage module, this DC voltage module is obtained voltage from external voltage, by rectification module, filtration module, Voltage stabilizing module, obtain galvanic current and press, the physical circuit that obtains DC voltage all has associated description in the prior art, no longer describes in detail here.
See Fig. 3, described converter plant comprises: three-phase inverter (preferably full-control type MOSFET tri-bridge-type inverters), this three-phase inverter is controlled by a single-chip microcomputer (preferably 51 series monolithics), the DC side of this three-phase inverter, AC are respectively equipped with direct current, alternating voltage current detection circuit, and described direct current, alternating voltage current detection circuit are connected with described single-chip microcomputer.Described single-chip microcomputer is suitable for producing SVPWM modulation signal.
Obviously, above-described embodiment is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present utility model extended out or change still among protection domain of the present utility model.
Claims (1)
1. an aluminium powder multiple fractionation system, is characterized in that comprising:
Three grades of aluminium powder grading plants, and the meal outlet of previous stage aluminium powder grading plant is connected with the powder inlet of rear one-level aluminium powder grading plant; Wherein, the powder inlet of first order aluminium powder grading plant is connected with the meal outlet of aluminium powder fuel pulverizing plant; The meal outlet of final stage aluminium powder grading plant is connected with the air inlet of cyclone dust removal machine;
Each aluminium powder grading plant comprises: centrifugal classifier, be applicable to collect the surge tank when the isolated meal of aluminium powder grading plant of prime, and be suitable for the meal in this surge tank to be delivered to the transmission batch can of aluminium powder packaging unit;
Described centrifugal classifier comprises: be suitable for the three-phase alternating-current motor that drives impeller is rotated, this three-phase alternating-current motor is connected with a converter plant, and this converter plant is suitable for described three-phase alternating-current motor to carry out speed governing;
Described converter plant comprises: three-phase inverter, this three-phase inverter is by a Single-chip Controlling, the DC side of this three-phase inverter, AC are respectively equipped with direct current, alternating voltage current detection circuit, and described direct current, alternating voltage current detection circuit are connected with described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320636723.1U CN203508400U (en) | 2013-10-15 | 2013-10-15 | Multiple classification system of aluminum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320636723.1U CN203508400U (en) | 2013-10-15 | 2013-10-15 | Multiple classification system of aluminum powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203508400U true CN203508400U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320636723.1U Expired - Fee Related CN203508400U (en) | 2013-10-15 | 2013-10-15 | Multiple classification system of aluminum powder |
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| CN (1) | CN203508400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475341A (en) * | 2014-10-24 | 2015-04-01 | 袁志刚 | Single-unit pneumatic centrifugal powder classification device for separating four particle size specifications |
-
2013
- 2013-10-15 CN CN201320636723.1U patent/CN203508400U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475341A (en) * | 2014-10-24 | 2015-04-01 | 袁志刚 | Single-unit pneumatic centrifugal powder classification device for separating four particle size specifications |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140402 Termination date: 20191015 |