CN220524542U - Silver powder quick drying and crushing integrated drying device - Google Patents
Silver powder quick drying and crushing integrated drying device Download PDFInfo
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- CN220524542U CN220524542U CN202321270958.3U CN202321270958U CN220524542U CN 220524542 U CN220524542 U CN 220524542U CN 202321270958 U CN202321270958 U CN 202321270958U CN 220524542 U CN220524542 U CN 220524542U
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- silver powder
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- cylinder body
- drying device
- crushing
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- 238000001035 drying Methods 0.000 title claims abstract description 70
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008676 import Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Abstract
The utility model relates to the field of silver powder material manufacturing, in particular to a silver powder rapid drying and crushing integrated drying device, which comprises a barrel, wherein a blade shaft with a power motor is arranged in the center of the top of the barrel; the blade shaft comprises a supporting shaft body and a lifting screw, and the lifting screw is spirally wound on the supporting shaft body along the length direction of the supporting shaft body; the outside of the cylinder body is sequentially provided with a heating layer and a heat insulation layer from inside to outside, and the heating layer and the heat insulation layer are used for heating and preserving heat of the cylinder body; according to the silver powder quick drying and crushing integrated drying device, two procedures of silver powder drying and crushing can be realized through one device, discharging after silver powder drying and charging before crushing are omitted, labor investment is reduced, loss of silver powder in the transferring process is avoided, and accordingly production cost of enterprises is reduced to a certain extent.
Description
Technical Field
The utility model relates to the field of silver powder material manufacturing, in particular to a silver powder rapid drying and crushing integrated drying device.
Background
Silver powder is a precious metal powder material which is most widely used and used in the electronic industry, is a basic and key functional material for producing tip electronic component products, and silver powder preparation is a key step for realizing wide application. The main silver powder preparation methods at home and abroad mainly comprise a thermal decomposition method, an electrochemical method, a physical method and a chemical reduction precipitation method.
The conventional silver powder preparation process at present generates silver powder through oxidation-reduction reaction, and fine powder is finally obtained through the processes of cleaning, filtering, high-speed dispersion, drying, crushing and the like. The drying and crushing procedure is that the silver powder after filtration is generally put in a tray, then put in a baking oven for drying, and after the drying is finished, the silver powder is taken out of the tray and put in a crusher for crushing. In the operation process, a lot of manpower and time are spent from the process of taking out the powder from the tray to putting into the breaker to the tray still has a large amount of silver powder adhesion, can not take out completely and lead to the loss of silver powder material. Therefore, how to overcome the above-mentioned technical problems and drawbacks becomes an important problem to be solved.
Disclosure of Invention
The utility model aims to overcome the defects described in the background art, thereby realizing an integrated drying device for quick drying and crushing of silver powder, which can realize two procedures of drying and crushing of silver powder through one device, save discharging after drying silver powder and charging before crushing, reduce labor and avoid loss of silver powder materials in the transferring process.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a silver powder quick drying and crushing integrated drying device, includes the barrel, barrel top is sealed and has the feed inlet that can open and shut, barrel bottom sets up the discharge gate that can open and shut, barrel top center department is provided with the blade axle through rotatory support, barrel top fixed mounting above the blade axle has power motor; the blade shaft comprises a supporting shaft body and a lifting screw, and the lifting screw is spirally wound on the supporting shaft body along the length direction of the supporting shaft body; the outside of barrel has set gradually zone of heating and insulating layer from inside to outside for the heating and the heat preservation of barrel.
In the drying device integrating rapid drying and crushing of silver powder, the barrel is an inverted truncated cone barrel with a large diameter and a small diameter, and the barrel can be collected at the bottom of the barrel on the premise that materials fall down through the structure, so that the materials can be conveniently lifted again. The feeding port of the cylinder is provided with an openable feeding port cover, the discharging port at the bottom of the cylinder is opened, discharging is facilitated, and the discharging port is provided with an openable discharging sealing cover.
In the drying device integrating rapid drying and crushing of silver powder, the diameter of the lifting screw of the blade shaft is gradually reduced from top to bottom, and the diameter of the lifting screw at a certain height is matched with the diameter of the barrel at the same height. Certain equidistant gaps exist between the lifting screw and the cylinder body, normal falling of materials is guaranteed, and circulation of falling and lifting of the materials is realized.
In the drying device integrating rapid silver powder drying and crushing, the two sides of the top of the cylinder body are respectively provided with a circulating air inlet and a circulating air outlet, and the circulating air inlet and the circulating air outlet are mutually communicated with the inner cavity of the cylinder body.
In the drying device integrating rapid silver powder drying and crushing, the power motor is a variable frequency motor, and the variable frequency motor is connected with a frequency converter and used for carrying out high-low frequency conversion on the variable frequency motor.
In the drying device integrating rapid drying and crushing of silver powder, the heat insulation layer is a polyurethane foaming plate or a micro-nano heat insulation plate.
In the drying device integrating rapid drying and crushing of silver powder, the circulating air inlet and the circulating air outlet are both provided with fixed or detachable ventilation filter screens, the mesh number of the ventilation filter screens is suitable for not allowing silver powder to pass through, and the purpose is to prevent the circulating air from taking the dried and crushed silver powder out of the cylinder.
The silver powder quick drying and crushing integrated drying device has the beneficial effects that:
according to the silver powder quick drying and crushing integrated drying device, through the arrangement of the blade shaft and the low-frequency control of the power motor, the silver powder can be repeatedly turned and thrown from bottom to top, the contact area of a heat source and materials is improved by combining the effect of circulating air and hot air drying, the powder can be crushed after drying through the high-frequency control of the power motor, and finally, two working procedures of silver powder drying and crushing can be realized through one device, so that the discharging after silver powder drying and charging before crushing are omitted, the labor investment is reduced, the loss of silver powder in the transferring process is avoided, and the production cost of enterprises is reduced to a certain extent.
Drawings
Fig. 1 is a schematic structural view of an integrated drying device for rapid drying and crushing of silver powder.
In the figure: 1-a cylinder, 101-a heating layer and 102-a heat insulation layer;
2-a feed inlet, 3-a discharge outlet, 4-a circulating air inlet, 5-a circulating air outlet and 6-a ventilation filter screen;
7-blade shaft, 701-support shaft body, 702-lifting screw;
8-power motor, 9-frequency converter.
Detailed Description
The following describes the silver powder rapid drying and crushing integrated drying device in more detail through specific embodiments with reference to the attached drawings.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1:
according to the silver powder quick drying and crushing integrated drying device, two procedures of silver powder drying and crushing can be realized through one device, discharging after silver powder drying and charging before crushing are omitted, labor is reduced, and loss of silver powder materials in the transferring process is avoided. Referring to fig. 1, the device mainly comprises a barrel 1, in this embodiment, the barrel 1 is an inverted truncated cone barrel with a large diameter and a small diameter, and the device can be collected at the bottom of the barrel 1 on the premise of ensuring that materials fall, so that the materials are convenient to lift again. The utility model discloses a barrel, including barrel, discharge gate 3, feed inlet 2 department, the barrel, barrel top is sealed and has openable feed inlet 2, barrel 1 bottom sets up openable discharge gate 3, barrel 1's feed inlet 2 department is provided with openable feed inlet cover, barrel 1 bottom's discharge gate 3 open sets up, the ejection of compact of being convenient for, just discharge gate 3 department is provided with openable discharge seal lid. Meanwhile, the heating layer 101 and the heat insulation layer 102 are sequentially arranged outside the cylinder body 1 from inside to outside and used for heating and heat preservation of the cylinder body, and drying of silver powder materials is facilitated. In this embodiment, the heating layer 101 uses an electric heating wire to heat the cylinder, and the heat insulating layer 102 is a polyurethane foam board or a micro-nano heat insulating board.
Further, in order to increase the effect of stoving, the top both sides of barrel 1 are provided with circulated air import 4 and circulated air export 5 respectively, circulated air import 4 external being provided with the air-blower, to the interior continuous supply circulated air of barrel 1, circulated air import 4 and circulated air export 5 communicate each other with the barrel inner chamber, and circulated air hot-blast stoving can improve the area of contact of heat source and material, is showing improvement drying efficiency.
In order to prevent the silver powder from being taken away by circulating air and causing loss, the circulating air inlet 4 and the circulating air outlet 5 are both provided with fixed or detachable ventilation filter screens 6, the mesh number of each ventilation filter screen 6 is suitable for the silver powder to not pass through, and the purpose is to prevent the circulating air from taking the dried and crushed silver powder out of the cylinder 1, so that the silver powder is prevented from loss. The ventilation screen 6 is generally disposed at the bottom of the circulating air inlet 4 and the circulating air outlet 5.
In the embodiment, referring to fig. 1, a blade shaft 7 is arranged at the center of the top of the cylinder body through a rotary support, and a power motor 8 is fixedly arranged at the top of the cylinder body above the blade shaft 7; the power motor 8 is a variable frequency motor, and the variable frequency motor is connected with a frequency converter 9 for performing high-frequency and low-frequency conversion on the variable frequency motor. The blade shaft 7 includes a support shaft body 701 and a lifting screw 702, and the lifting screw 702 is spirally wound on the support shaft body 701 along the length direction of the support shaft body 701. The diameter of the lifting screw 702 of the blade shaft 7 gradually decreases from top to bottom, and the diameter of the lifting screw 702 at a certain height is matched with the diameter of the cylinder 1 at the same height. Certain equidistant gaps exist between the lifting screw 702 and the cylinder 1, normal falling of materials is guaranteed, and circulation of falling and lifting of the materials is realized.
Example 2:
the same points as those of embodiment 1 are not described in detail, except that:
the cylinder is a cylindrical cylinder with the same diameter up and down, the diameter of the lifting screw of the blade shaft is also the same up and down, and the diameter of the lifting screw is matched with the diameter of the cylinder. This embodiment is not much modified from embodiment 1 and the structure is easily understood and therefore the drawings are not given.
The silver powder quick drying and crushing integrated drying device disclosed by the utility model has the working principle that: when needs are dried and smashed the silver powder, at first, open the feed inlet cover, throw into the barrel with the silver powder through the feed inlet, close the feed inlet cover, open the zone of heating of barrel, let in the circulating wind through the circulating wind import, control power motor low frequency rotation through the converter, power motor drives blade axle low frequency rotation, the blade axle is mentioned the silver powder repeatedly and is thrown, hot-blast at barrel internal circulation this moment, dry the silver powder, combine the effect of throwing of blade axle, can carry out the flash drying to the silver powder. After the drying is finished, the heating layer of the cylinder is closed, the heat is reduced by circulating air introduced through the circulating air inlet, and after the temperature is reduced, the circulating air is stopped. Then the power motor is controlled to rotate at high frequency through the frequency converter, so that the blade shaft is driven to rotate at high frequency, and the blade shaft repeatedly breaks silver powder. After the crushing is finished, the power motor is closed, the discharging sealing cover of the discharging hole is opened, silver powder is automatically poured out of the barrel due to the action of gravity, and the drying and crushing procedures of silver powder materials are finished.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The use of the terms "a" or "an" and the like in the description and in the claims do not necessarily imply a limitation on the amount. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
While the exemplary embodiments of the present utility model have been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that many changes and modifications can be made to the specific embodiments described above without departing from the spirit of the utility model, and that many combinations of technical features and structures can be made without departing from the scope of the utility model.
Claims (6)
1. Silver powder quick drying and crushing integrated drying device comprises a barrel body (1), wherein the top of the barrel body (1) is sealed and provided with a feed inlet (2) capable of being opened and closed, and the bottom of the barrel body (1) is provided with a discharge outlet (3) capable of being opened and closed, and the silver powder quick drying and crushing integrated drying device is characterized in that: a blade shaft (7) is arranged at the center of the top of the cylinder body (1) through a rotary support, and a power motor (8) is fixedly arranged at the top of the cylinder body (1) above the blade shaft (7); the blade shaft (7) comprises a supporting shaft body (701) and a lifting screw (702), and the lifting screw (702) is spirally wound on the supporting shaft body (701) along the length direction of the supporting shaft body (701); the outside of the cylinder body (1) is sequentially provided with a heating layer (101) and a heat insulation layer (102) from inside to outside, and the heating layer is used for heating and heat insulation of the cylinder body (1);
the circulating air inlet (4) and the circulating air outlet (5) are respectively arranged on two sides of the top of the cylinder body (1), and the circulating air inlet (4) and the circulating air outlet (5) are mutually communicated with the inner cavity of the cylinder body (1).
2. The silver powder rapid drying and crushing integrated drying device according to claim 1, wherein: the cylinder body (1) is an inverted truncated cone cylinder body with a large diameter and a small diameter, a feed inlet cover capable of being opened and closed is arranged at a feed inlet (2) of the cylinder body (1), a discharge outlet at the bottom of the cylinder body (1) is arranged at an opening, discharging is facilitated, and a discharge sealing cover capable of being opened and closed is arranged at a discharge outlet (3).
3. The silver powder rapid drying and crushing integrated drying device according to claim 2, wherein: the diameter of the lifting screw (702) of the blade shaft (7) gradually decreases from top to bottom, and the diameter of the lifting screw (702) at a certain height is matched with the diameter of the cylinder body (1) at the same height.
4. The silver powder rapid drying and crushing integrated drying device according to claim 1, wherein: the power motor (8) is a variable frequency motor, and the variable frequency motor is connected with a frequency converter (9) for performing high-frequency and low-frequency conversion on the variable frequency motor.
5. The silver powder rapid drying and crushing integrated drying device according to claim 1, wherein: the heat insulation layer (102) is a polyurethane foaming plate or a micro-nano heat insulation plate.
6. The silver powder rapid drying and crushing integrated drying device according to claim 1, wherein: the circulating air inlet (4) and the circulating air outlet (5) are both provided with fixed or detachable ventilation filter screens (6), and the mesh number of the ventilation filter screens (6) is suitable for silver powder to be unable to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321270958.3U CN220524542U (en) | 2023-05-24 | 2023-05-24 | Silver powder quick drying and crushing integrated drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321270958.3U CN220524542U (en) | 2023-05-24 | 2023-05-24 | Silver powder quick drying and crushing integrated drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220524542U true CN220524542U (en) | 2024-02-23 |
Family
ID=89927948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321270958.3U Active CN220524542U (en) | 2023-05-24 | 2023-05-24 | Silver powder quick drying and crushing integrated drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220524542U (en) |
-
2023
- 2023-05-24 CN CN202321270958.3U patent/CN220524542U/en active Active
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