CN210127274U - Copper powder preparation device - Google Patents
Copper powder preparation device Download PDFInfo
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- CN210127274U CN210127274U CN201920886385.4U CN201920886385U CN210127274U CN 210127274 U CN210127274 U CN 210127274U CN 201920886385 U CN201920886385 U CN 201920886385U CN 210127274 U CN210127274 U CN 210127274U
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Abstract
The utility model provides a copper powder preparation facilities, including electrolysis reaction tank and the copper cathode rotary drum of setting in electrolysis reaction tank, be provided with soluble copper anode board in the electrolysis reaction tank of one side of relative copper cathode rotary drum, the opposite side of relative copper cathode rotary drum is provided with copper powder washing unit, the below that is close to one side of copper powder washing unit is provided with the copper powder collecting vat that links to each other with electrolysis reaction tank, one side of electrolysis reaction tank is provided with the inlet, one side of copper powder collecting vat is provided with the liquid outlet, lower extreme at the copper powder collecting vat still is provided with the copper powder and collects the mouth. The effect is as follows: through improving the structure of electrolysis trough and the mounting means of positive pole and negative pole, can realize scraping the automation of copper powder on the negative pole rotary drum, scrape whitewashed speed controllable, avoid scraping the powder time control and all lead to the copper powder thickness different, the granularity is controllable, and the loose dress is than little, the big copper powder of specific surface area to realized continuous powder process, promoted production efficiency by a wide margin.
Description
Technical Field
The utility model relates to an electrolytic copper technique in the metallurgical industry, in particular to a copper powder preparation device.
Background
Fine metal powder has received a great deal of attention as an emerging material, and many production apparatuses and production methods have been developed. The powder prepared by the electrolytic method has high purity, good pressing performance and easy control of particle size, and can obtain fine metal powder which is difficult to prepare by other methods, so the powder has attracted attention of the industry.
In the conventional electrolytic production process, powder scraping is frequently required periodically, the powder scraping time is inconsistent, and the thickness degree of metal powder on a cathode plate is inconsistent, so that the powder of copper powder which is finer and more uniform, has small loose packing ratio and large specific surface area is difficult to obtain.
SUMMERY OF THE UTILITY MODEL
To the not enough among the prior art, the utility model provides a copper powder preparation facilities improves through the structure to copper powder electrolytic device, utilizes negative pole rotary drum and copper powder washing unit to cooperate, makes its copper powder production that can adapt to different granularities, and it is more convenient to control.
In order to realize the purpose, the adopted technical scheme is as follows:
the utility model provides a copper powder preparation facilities which the key lies in: the device comprises an electrolytic reaction tank and a copper cathode rotary drum arranged in the electrolytic reaction tank, wherein a soluble copper anode plate is arranged in the electrolytic reaction tank on one side opposite to the copper cathode rotary drum, a copper powder flushing device is arranged on the other side opposite to the copper cathode rotary drum, a copper powder collecting tank connected with the electrolytic reaction tank is arranged below one side close to the copper powder flushing device, a liquid inlet is formed in one side of the electrolytic reaction tank, a liquid outlet is formed in one side of the copper powder collecting tank, and a copper powder collecting port is further formed in the lower end of the copper powder collecting tank.
Optionally, the copper powder collecting tank is composed of a plurality of cone-shaped tank bodies arranged in parallel, the lower end of each cone-shaped tank body is funnel-shaped, a rotational flow paddle used for achieving rotational flow precipitation is arranged in each cone-shaped tank body, and a variable speed motor used for driving the rotational flow paddles to rotate is further arranged at the upper end of the copper powder collecting tank.
Optionally, the copper cathode drum is cylindrical, and a central rotating shaft of the copper cathode drum is driven by the variable frequency motor to rotate at a constant speed.
Optionally, the soluble copper anode plate is a rectangular plate arranged obliquely.
Optionally, the soluble copper anode plate is an arc plate arranged opposite to the cathode drum.
Optionally, the drum core of the copper cathode rotary drum is a plastic roller, and a cylindrical copper pipe is sleeved on the surface of the plastic roller.
Optionally, the copper powder flushing device is a nylon brush, a hair brush or/and a water spray pipe, the nylon brush, the hair brush or/and the water spray pipe is/are arranged on a supporting seat, and a position adjusting mechanism is arranged on the supporting seat and the wall of the electrolytic reaction tank.
Optionally, the front surface wall and the rear surface wall of the lower end of the electrolytic reaction tank are obliquely arranged, and the bottom of the electrolytic reaction tank is provided with an electrolyte discharge port.
In order to further realize the preparation of the copper powder, the specific preparation method comprises the following steps:
arranging a copper cathode rotary drum in an electrolytic reaction tank, arranging a soluble copper anode plate on one side opposite to the copper cathode rotary drum, and arranging a copper powder scouring device on the other side opposite to the copper cathode rotary drum; the gap between the copper cathode rotary drum and the soluble copper anode plate is 15-25 cm; what is needed isThe copper cathode rotary drum rotates according to the linear speed of 0.2-0.5 m/h; the electrolyte is prepared according to the copper ion concentration of 4-6 g/L and the sulfuric acid concentration of 1.3-1.5 mol/L; the electrolytic current density is set at 1500-1600A/m2(ii) a The temperature of the electrolyte is 40-50 ℃; the liquid inlet speed of the electrolyte is 60-90L/h, and copper powder is collected by arranging a copper powder collecting tank connected with the electrolytic reaction tank below one side of the copper powder flushing device.
Optionally, the groove body of the copper powder collecting groove is funnel-shaped, and the collection of the copper powder is realized by adopting rotational flow precipitation.
The utility model discloses a show the effect and be:
through improving the structure of electrolysis trough and the mounting means of positive pole and negative pole, can realize scraping the automation of copper powder on the negative pole rotary drum and strike off, scrape whitewashed speed controllable, avoid scraping the powder time control and uneven lead to the copper powder granularity thickness different, the granularity is controllable, and the loose dress is than little, the big copper powder of specific surface area to realized continuous powder process, promoted production efficiency by a wide margin.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the technical solutions of the present invention is not limited thereby.
Example 1:
as shown in fig. 1, the present embodiment provides a copper powder preparation apparatus, which includes an electrolytic reaction tank 1 and a copper cathode drum 2 disposed in the electrolytic reaction tank 1, wherein a soluble copper anode plate 3 is disposed in the electrolytic reaction tank 1 on one side opposite to the copper cathode drum 2, a copper powder flushing device 4 is disposed on the other side opposite to the copper cathode drum 2, a copper powder collecting tank 5 connected to the electrolytic reaction tank 1 is disposed below one side close to the copper powder flushing device 4, a liquid inlet 6 is disposed on one side of the electrolytic reaction tank 1, a liquid outlet 7 is disposed on one side of the copper powder collecting tank 5, and a copper powder collecting port 8 is further disposed at a lower end of the copper powder collecting tank 5.
As can be seen from fig. 1, the soluble copper anode plate 3 in this embodiment is a rectangular plate obliquely arranged and made of a pure copper plate, the copper cathode drum 2 is cylindrical, a central rotating shaft thereof rotates at a constant speed under the driving of a variable frequency motor, in specific implementation, a drum core of the copper cathode drum 2 is a plastic drum, and a cylindrical copper pipe is sleeved on the surface of the plastic drum. Under the power-on state, copper ions on the soluble copper anode plate 3 are dissolved in the electrolyte and move towards the surface of the copper cathode rotary drum 2, copper powder is formed on the surface of the copper cathode rotary drum 2, the copper powder on the surface is distributed relatively uniformly along with the rotation of the copper cathode rotary drum 2, the formed copper powder can be instantly washed into the copper powder collecting tank 5 under the action of the copper powder washing device 4, copper powder slurry can be obtained from the copper powder collecting port 8 regularly, and fine copper powder with uniform granularity can be obtained through the subsequent process.
In order to brush the powder, the copper powder washing device 4 in this embodiment is a nylon brush, the nylon brush is disposed on a support base, and a position adjusting mechanism 13 is disposed on the support base and the wall of the electrolytic reaction tank 1. The relative distance between the copper powder scouring device 4 and the copper cathode rotary drum 2 can be adjusted through the adjusting mechanism 13, so that the granularity of brushing powder is adjusted, and the preparation of copper powder with different thicknesses is adapted.
In order to facilitate the cleaning of the electrolytic reaction tank 1, the front surface wall and the rear surface wall of the lower end of the electrolytic reaction tank 1 are obliquely arranged, and the bottom of the electrolytic reaction tank is provided with an electrolyte discharge port 11.
Example 2:
as shown in fig. 2, the present embodiment is different from embodiment 1 in that the copper powder washing device 4 is a water spray pipe, the electrolyte is circularly sprayed through the water spray pipe, and the copper powder on the surface of the copper cathode drum 2 is washed by the impact force of the high-pressure solution to sink into the copper powder collecting tank 5, so that the effect of embodiment 1 can be achieved.
Example 3:
as shown in fig. 3, the present embodiment is different from embodiment 1 in that the soluble copper anode plate 3 is an arc plate disposed opposite to the copper cathode drum 2, so as to further increase the effective area between the soluble copper anode plate 3 and the copper cathode drum 2, in order to facilitate the collection of copper powder, the copper powder collecting tank 5 is composed of a plurality of cone-shaped tank bodies disposed in parallel, the lower end of the copper powder collecting tank is funnel-shaped, a rotational flow paddle 10 for realizing rotational flow precipitation is disposed in each cone-shaped tank body, and a variable speed motor 9 for driving the rotational flow paddle 10 to rotate is further disposed at the upper end of the copper powder collecting tank 5. During concrete implementation, separate through the baffle between two adjacent cone cells, and set up the bar mouth 12 that supplies the electrolyte circulation on the baffle, for the convenience of the whirl deposits, bar mouth 12 is relative whirl oar 10 sets up, makes the liquid tangential of its inflow get into among the whirl oar 10, under the drive of whirl oar 10, the liquid outlet discharge of cone cell body opposite side is followed to clear electrolyte relatively, and the copper powder then deposits to 5 lower extremes in copper powder collecting vat, through the multistage back that deposits, can realize whole recoveries of copper powder.
Based on the embodiment of above-mentioned various devices, further describe its preparation method below, the utility model provides a copper powder preparation method sets up copper cathode rotary drum in the electrolytic reaction groove, and is relative one side of copper cathode rotary drum is provided with soluble blister copper anode plate, and is relative the opposite side of copper cathode rotary drum is provided with copper powder washing unit, the cell body of copper powder collecting vat is hourglass hopper-shaped, and adopts the whirl to deposit the collection that realizes the copper powder.
Based on the structure in the above-mentioned embodiment, the validity of the present invention is further verified through 3 specific experiments below.
Experiment 1:
the electrolyte is set according to the copper ion concentration of 4g/L, the sulfuric acid concentration of 1.5mol/L and the temperature of 50 ℃, the copper cathode rotary drum rotates at a constant speed according to the linear speed of 0.5 m/h, the polar distance between the copper cathode rotary drum and the soluble copper anode plate is 20 cm, the liquid inlet speed of the electrolyte is 60L/h, and the electrolytic current density is set at 1500A/m2Under the condition of (1), the effective size of an anode is 15cm x 15cm, the effective size of a cathode is 15cm x 15cm, 90% of superfine copper powder obtained by electrolysis has the particle size of less than 1.5um, the shape is in a cauliflower shape, and the apparent density is 0.67g/cm32980cm in specific surface area2/g。
Experiment 2:
the electrolyte is set according to the copper ion concentration of 15g/L, the sulfuric acid concentration of 1.4mol/L and the temperature of 50 ℃, the copper cathode rotary drum rotates at a constant speed according to the linear speed of 0.5 m/h, the polar distance between the copper cathode rotary drum and the soluble copper anode plate is 20 cm, the liquid inlet speed of the electrolyte is 60L/h, and the electrolytic current density is set at 1500A/m2Under the condition of (1), the effective size of the anode is 15cm x 15cm, the effective size of the cathode is 15cm x 15cm, 90% of the obtained superfine copper powder has the granularity of less than 1.5um, the appearance is dendritic, and the apparent density is 0.52g/cm3Specific surface area of 3054cm2/g。
Experiment 3:
the electrolyte is set according to the copper ion concentration of 10g/L, the sulfuric acid concentration of 1.3mol/L and the temperature of 40 ℃, the copper cathode rotary drum rotates at a constant speed according to the linear speed of 0.2 m/h, the polar distance between the copper cathode rotary drum and the soluble copper anode plate is 20 cm, the liquid inlet speed of the electrolyte is 90L/h, and the electrolytic current density is set at 1600A/m2Under the condition of (1), the effective size of the anode is 15cm x 15cm, the effective size of the cathode is 15cm x 15cm, the 90% granularity of the obtained superfine copper powder is 1.5-2.3um, the appearance is dendritic, and the loose packing density is 0.72g/cm3Specific surface area of 3160cm2/g。
It can be seen that in each experiment, micron-sized ultrafine copper powder is obtained, but the shape of the obtained copper powder is different along with the change of the concentration of copper ions in the electrolyte, the change of the linear speed of the copper cathode drum, the change of the electrolysis current density and the change of the liquid inlet speed of the electrolyte. The utility model discloses a improve preparation facilities and preparation method, provide new research direction for the copper powder preparation of different grades, make it can adapt to full automatization continuous production, effectively promote the generation efficiency of copper powder preparation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. A copper powder preparation device is characterized in that: the device comprises an electrolytic reaction tank and a copper cathode rotary drum arranged in the electrolytic reaction tank, wherein a soluble copper anode plate is arranged in the electrolytic reaction tank on one side opposite to the copper cathode rotary drum, a copper powder flushing device is arranged on the other side opposite to the copper cathode rotary drum, a copper powder collecting tank connected with the electrolytic reaction tank is arranged below one side close to the copper powder flushing device, a liquid inlet is formed in one side of the electrolytic reaction tank, a liquid outlet is formed in one side of the copper powder collecting tank, and a copper powder collecting port is further formed in the lower end of the copper powder collecting tank.
2. The apparatus for preparing copper powder according to claim 1, wherein: the copper powder collecting tank is composed of a plurality of cone-shaped tank bodies arranged in parallel, the lower end of each cone-shaped tank body is funnel-shaped, a rotational flow paddle used for achieving rotational flow precipitation is arranged in each cone-shaped tank body, and a variable speed motor used for driving the rotational flow paddles to rotate is further arranged at the upper end of the copper powder collecting tank.
3. The apparatus for the preparation of copper powder according to claim 1 or 2, characterized in that: the copper cathode rotary drum is cylindrical, and the central rotary shaft of the copper cathode rotary drum rotates at a constant speed under the drive of the variable frequency motor.
4. The apparatus for preparing copper powder according to claim 3, wherein: the soluble copper anode plate is a rectangular plate which is obliquely arranged.
5. The apparatus for preparing copper powder according to claim 3, wherein: the soluble copper anode plate is an arc-shaped plate which is arranged opposite to the copper cathode rotary drum.
6. The apparatus for preparing copper powder according to claim 1, wherein: the drum core of the copper cathode rotary drum is a plastic roller, and a cylindrical copper pipe is sleeved on the surface of the plastic roller.
7. The apparatus for the preparation of copper powder according to claim 1 or 2 or 4 or 5 or 6, wherein: the copper powder scouring device is a nylon brush, a hair brush or/and a water spray pipe, the nylon brush, the hair brush or/and the water spray pipe are/is arranged on a supporting seat, the brushing speed is controlled by a variable frequency motor, and a position adjusting mechanism is arranged on the supporting seat and the wall of the electrolytic reaction tank.
8. The apparatus for preparing copper powder of claim 7, wherein: the front surface wall and the rear surface wall at the lower end of the electrolytic reaction tank are obliquely arranged, and the bottom of the electrolytic reaction tank is provided with an electrolyte discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920886385.4U CN210127274U (en) | 2019-06-13 | 2019-06-13 | Copper powder preparation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920886385.4U CN210127274U (en) | 2019-06-13 | 2019-06-13 | Copper powder preparation device |
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| CN210127274U true CN210127274U (en) | 2020-03-06 |
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| CN201920886385.4U Active CN210127274U (en) | 2019-06-13 | 2019-06-13 | Copper powder preparation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192771A (en) * | 2021-12-07 | 2022-03-18 | 北京有研粉末新材料研究院有限公司 | Sea stone flower-shaped electrolytic copper powder with ultralow apparent density and preparation method thereof |
| CN114192771B (en) * | 2021-12-07 | 2024-05-31 | 北京有研粉末新材料研究院有限公司 | Sea Dan Huazhuang electrolytic copper powder with ultralow apparent density and preparation method thereof |
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2019
- 2019-06-13 CN CN201920886385.4U patent/CN210127274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192771A (en) * | 2021-12-07 | 2022-03-18 | 北京有研粉末新材料研究院有限公司 | Sea stone flower-shaped electrolytic copper powder with ultralow apparent density and preparation method thereof |
| CN114192771B (en) * | 2021-12-07 | 2024-05-31 | 北京有研粉末新材料研究院有限公司 | Sea Dan Huazhuang electrolytic copper powder with ultralow apparent density and preparation method thereof |
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