CN116079061B - Copper powder processing method - Google Patents
Copper powder processing method Download PDFInfo
- Publication number
- CN116079061B CN116079061B CN202211484037.7A CN202211484037A CN116079061B CN 116079061 B CN116079061 B CN 116079061B CN 202211484037 A CN202211484037 A CN 202211484037A CN 116079061 B CN116079061 B CN 116079061B
- Authority
- CN
- China
- Prior art keywords
- copper
- outer barrel
- water
- copper powder
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000009700 powder processing Methods 0.000 title claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 80
- 239000010949 copper Substances 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 12
- 238000003723 Smelting Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000012459 cleaning agent Substances 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims abstract description 4
- 238000001704 evaporation Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 40
- 238000000889 atomisation Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000007921 spray Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004663 powder metallurgy Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0824—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid
- B22F2009/0828—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid with water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/088—Fluid nozzles, e.g. angle, distance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0888—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0892—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid casting nozzle; controlling metal stream in or after the casting nozzle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention belongs to the technical field of copper powder processing, and discloses a copper powder processing method. The copper powder processing method comprises the following steps: s1, preparing raw materials: putting the waste copper into a cleaning tank, putting a cleaning agent into the cleaning tank for ultrasonic cleaning, and then using clear water to clean the waste copper, so as to remove dust and greasy dirt on the surface of the waste copper; s2, putting the waste copper into a crusher for crushing processing to obtain copper particles with diameters smaller than one centimeter; s3, putting the copper particles obtained in the step S2 into a heating bellows for preheating, wherein the preheating temperature is 160-200 ℃, and simultaneously evaporating the surface moisture of the copper particles; s4, smelting the preheated copper material in the step S3 in a smelting furnace, and removing impurities in molten copper. According to the copper powder processing method, the copper powder with high apparent density can be obtained through the targeted design of the atomizing device, the processing process is simple, stable and efficient, and the problems in the background technology are solved.
Description
Technical Field
The invention relates to the technical field of copper powder processing, in particular to a copper powder processing method.
Background
Copper powder is an important raw material for the production of powder metallurgy products. The production method of the copper powder mainly comprises the following steps: electrolytic, water atomization, and redox processes. However, the electrolytic method for producing copper powder has low apparent density and no fluidity, is difficult to meet the filling requirement in the automatic forming process of powder metallurgy, is difficult to meet the requirement of high density of powder metallurgy parts, has the defects of serious environmental pollution and high energy consumption, and has high energy consumption for electrolytic method production, thus leading to high cost. In the aspect of copper powder production, the method can replace an electrolytic method, and when the first-push atomization powder making method, the oxidation reduction and other subsequent treatment processes are added, the atomized copper powder meeting the environmental protection requirement can be developed, the atomized copper powder has excellent fluidity, meanwhile, the apparent density can be adjusted in the atomization process, the requirement of the current powder metallurgy automation is met, and the atomization method is low in cost and pollution.
However, the existing water mist method powder preparation still has the problems of complicated processing technology and low efficiency, so that the copper powder processing method is provided.
Disclosure of Invention
The invention aims to provide a copper powder processing method which simplifies the processing flow, can realize high-efficiency preparation of copper powder by utilizing the targeted design of an atomization device and solves the problems in the background technology.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a method of copper powder processing, the post-processing method comprising the steps of:
s1, preparing raw materials: putting the waste copper into a cleaning tank, putting a cleaning agent into the cleaning tank for ultrasonic cleaning, and then using clear water to clean the waste copper, so as to remove dust and greasy dirt on the surface of the waste copper.
S2, putting the waste copper into a crusher for crushing processing to obtain copper particles with diameters smaller than one centimeter;
s3, putting the copper particles obtained in the step S2 into a heating bellows for preheating, wherein the preheating temperature is 160-200 ℃, and simultaneously evaporating the surface moisture of the copper particles;
s4, smelting the preheated copper material in the step S3 in a smelting furnace, removing impurities in molten copper, introducing the molten copper into an atomization device for atomization of the molten copper, centrifugally dewatering and drying the obtained copper powder, reducing, sintering, crushing and screening to obtain copper powder with low apparent density;
the atomizing device in the S4 comprises an outer barrel and an inner core, wherein the inner core is positioned in the outer barrel, the edge of the top wall of the inner core is fixedly connected with the inner top wall of the outer barrel through a separation ring, the bottom end of the outer wall of the inner core is fixedly connected with the inner side wall of the outer barrel through a connection ring, a through hole is formed in the middle of the inner core, a plurality of water holes penetrating up and down are further formed in the inner core, a through hole is formed in the position, corresponding to the through hole, of the top wall of the outer barrel, a movable rod is inserted in the through hole, the top end of the movable rod penetrates through the through hole and is fixedly connected with a top plate, the top plate is connected with the upper surface of the outer barrel through two symmetrical cylinders, the bottom end of the movable rod extends out of the through hole and is fixedly connected with a movable disc, the edge of the movable disc is in contact with the inner side wall of the outer barrel, a water supply shell is fixedly arranged on the lower surface of the outer barrel, a water supply pipe is fixedly communicated with the middle of the outer barrel, a plurality of water inlet pipes are fixedly communicated with the upper surface of the outer barrel, the water outlets of the water inlet pipes are positioned on the inner sides of the separation ring, a plurality of copper liquid pipes are fixedly communicated with the upper surfaces of the copper liquid pipes, and the inner side of the copper liquid pipes are positioned between the inner walls of the separation ring and the outer barrel;
the water holes are used for water flow, the temperature of copper liquid can be absorbed in the inner core, high pressure can be formed in the inner part of the inner core during the processing process through partial vaporization, high pressure steam and high temperature water flow can be sprayed out together with the copper liquid through the spraying holes, and the copper liquid is efficiently separated, crushed and cooled to form copper powder.
The connecting ring is provided with a plurality of circulation holes, the position of the upper surface of the movable disk corresponding to the circulation holes is fixedly connected with a blocking rod for sealing the circulation holes, the bottom end of the side wall of the outer barrel is provided with a plurality of discharge holes, the movable disk is provided with a plurality of spraying holes, the bottom wall of the outer barrel is provided with spraying holes corresponding to the positions of the spraying holes, and the inner bottom wall of the outer barrel is provided with a flow guide assembly corresponding to the positions of the spraying holes.
When the movable rod can drive the movable disc to move during atomization processing, the blocking rod can be separated from the flow hole when the movable disc moves in the direction away from the inner core, copper liquid between the inner core and the outer barrel can enter between the movable disc and the bottom wall of the outer barrel, the conical block can block the spraying hole at the moment, the movable rod drives the movable disc to move upwards along with the copper liquid flowing in, the blocking rod blocks the flow hole, the conical block is separated from the spraying hole, water in the water hole is heated to generate high-pressure steam along with the pressure generated by the upward movement of the movable disc to mix the copper liquid and water mist and spray out through the spraying hole, the sprayed copper liquid is scattered and impacted on the inner side of the conical cover, meanwhile, the water sprayed by the water spraying hole is guided outside the conical cover to be impacted and pressed by the copper powder to be cooled to form a flattened shape, and after the copper liquid is sprayed, the movable disc moves downwards, and the reciprocating processing can perform continuous atomization preparation of the copper powder.
Preferably, the flow guiding assembly comprises a conical cover, the conical cover is fixedly connected to the inner bottom wall of the outer barrel through three vertical rods at a position corresponding to the water spraying hole, the outer side of the conical cover is opposite to the water spraying hole, and a conical block is fixedly connected to the middle part of the inner side of the conical cover and used for sealing the water spraying hole.
Preferably, the bottom end of the inner wall of the spraying hole is fixedly connected with dividing strips, the number of the dividing strips is not less than six, and the dividing strips are annularly arranged by taking the axis of the spraying hole as a reference.
Preferably, the number of the water holes is not less than four and the water holes are annularly arranged by taking the axis of the inner core as a reference, and the number of the water inlet pipe and the copper liquid pipe is not less than six and the water holes are annularly arranged by taking the axis of the inner core as a reference.
Preferably, the number of the circulation holes is not less than six, the circulation holes are annularly arranged by taking the axis of the inner core as a reference, and the lower surface of the connecting ring is flush with the lower surface of the inner core.
Preferably, the dividing strips are diamond-shaped, one end of each dividing strip far away from the inner wall of the spraying hole is a tip, and the included angle between each dividing strip and the inner wall of the spraying hole is forty-five degrees.
The design of the dividing strips is beneficial to dispersing copper liquid, improving the dispersion degree of the copper liquid and reducing copper powder adhesion.
Preferably, the spraying holes are funnel-shaped with big top and small bottom, which is helpful for improving the spraying speed.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the copper powder processing method, through the targeted design of the atomizing device, the movable rod is utilized to drive the movable disc to be matched with the cavity formed by the outer barrel to perform rhythmic liquid supplementing and high-pressure spraying atomization on copper liquid, through the design of the conical cover of the dividing strip, the sprayed copper liquid can be divided, secondary water spraying is performed, copper liquid is dispersed and cooled through high-pressure water flow, copper powder is formed, flat copper powder is formed because of high pressure, high apparent density copper powder is obtained, the processing process is simple and efficient, and the problem in the background technology is solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
fig. 4 is a top view of the present invention.
In the figure: the device comprises a 1 outer barrel, a 2 inner core, a 3 isolating ring, a 4 connecting ring, a 5 perforation, a 6 water hole, a 7 through hole, an 8 movable rod, a 9 top plate, a 10 cylinder, a 11 movable disc, a 12 water supply shell, a 13 water supply pipe, a 14 water inlet pipe, a 15 copper liquid pipe, a 16 blocking rod, a 17 discharge hole, a 18 spray hole, a 19 flow guiding component, a 191 conical cover, a 192 vertical rod, a 193 conical block, a 20 division strip, a 21 flow hole and a 22 water spray hole.
Detailed Description
Referring to fig. 1-4, the present invention provides a technical solution: a method of copper powder processing, the post-processing method comprising the steps of:
s1, preparing raw materials: putting the waste copper into a cleaning tank, putting a cleaning agent into the cleaning tank for ultrasonic cleaning, and then using clear water to clean the waste copper, so as to remove dust and greasy dirt on the surface of the waste copper.
S2, putting the waste copper into a crusher for crushing processing to obtain copper particles with diameters smaller than one centimeter;
s3, putting the copper particles obtained in the step S2 into a heating bellows for preheating, wherein the preheating temperature is 160-200 ℃, and simultaneously evaporating the surface moisture of the copper particles;
s4, smelting the preheated copper material in the step S3 in a smelting furnace, removing impurities in molten copper, introducing the molten copper into an atomization device for atomization of the molten copper, centrifugally dewatering and drying the obtained copper powder, reducing, sintering, crushing and screening to obtain copper powder with low apparent density;
the atomizing device mentioned in the above step S4 comprises an outer barrel 1 and an inner core 2, wherein the inner core 2 is positioned in the outer barrel 1, the edge of the top wall of the inner core 2 is fixedly connected with the inner top wall of the outer barrel 1 through a separation ring 3, the bottom end of the outer wall of the inner core 2 is fixedly connected with the inner side wall of the outer barrel 1 through a connection ring 4, a perforation 5 is arranged in the middle of the inner core 2, a plurality of water holes 6 penetrating up and down are also arranged on the inner core 2, a through hole 7 is arranged at the position of the top wall of the outer barrel 1 corresponding to the perforation 5, a movable rod 8 is inserted in the perforation 5, the top end of the movable rod 8 penetrates through the through hole 7 and is fixedly connected with a top plate 9, the top plate 9 is connected with the upper surface of the outer barrel 1 through two symmetrical cylinders 10, the bottom end of the movable rod 8 extends out of the perforation 5 and is fixedly connected with a movable disc 11, the edge of the movable disc 11 is in contact with the inner side wall of the outer barrel 1, a water supply shell 12 is fixedly arranged on the lower surface of the outer barrel 1, a water supply pipe 13 is fixedly communicated with the middle of the water supply shell 12, a plurality of water inlet pipes 14 are fixedly communicated with the upper surfaces of the outer barrel 1, the water outlets of the water inlet pipes 14 are positioned at the inner side of the separation ring 3, a plurality of copper liquid outlet pipes 15 are fixedly communicated with the upper surfaces of the outer barrel 1 and a plurality of copper liquid outlet ends 15 are positioned between the inner walls of the copper liquid 3 and the separation ring 3;
the water hole 6 is used for water flow to pass through, the copper liquid temperature can be absorbed in the inner core 2, high pressure can be formed in the inner part of the inner core during the processing process through partial vaporization, and high pressure steam and high temperature water flow can be sprayed out together with the copper liquid through the spraying hole 18, so that the copper liquid is separated with high efficiency, crushed and cooled to form copper powder.
The connecting ring 4 is provided with a plurality of flow holes 21, the upper surface of the movable disk 11 is fixedly connected with a blocking rod 16 corresponding to the position of the flow holes 21 for closing the flow holes 21, the bottom end of the side wall of the outer barrel 1 is provided with a plurality of discharge holes 17, the movable disk 11 is provided with a plurality of spraying holes 18, the bottom wall of the outer barrel 1 is provided with a spraying hole 22 corresponding to the position of the spraying hole 18, and the inner bottom wall of the outer barrel 1 is provided with a flow guide assembly 19 corresponding to the position of the spraying hole 22.
When the movable rod 8 can drive the movable disc 11 to move during atomization processing, when the movable disc 11 moves in a direction away from the inner core 2, the blocking rod 16 can be separated from the flow hole 21, copper liquid between the inner core 2 and the outer barrel 1 can enter between the movable disc 11 and the bottom wall of the outer barrel 1, the conical block 193 can block the spray hole 18 at the moment, after the copper liquid flows in, the movable rod 8 drives the movable disc 11 to move upwards, the blocking rod 16 blocks the flow hole 21, the conical block 193 is separated from the spray hole 18, water in the water hole 6 is heated to generate high-pressure steam, the copper liquid and water mist are mixed and sprayed out through the spray hole 18 along with the pressure generated by the upward movement of the movable disc 11, the sprayed copper liquid is scattered and impacted on the inner side of the conical cover 191, meanwhile, the water sprayed out of the water spraying hole 22 is impacted and pressed by the conical cover 191 to be cooled to form a flattened form, the copper powder is discharged through the discharge hole 17, and after the copper liquid is sprayed out, the movable disc 11 moves downwards, and the reciprocating processing can perform continuous atomization on copper powder.
The diversion assembly 19 comprises a conical cover 191, the conical cover 191 is fixedly connected to the inner bottom wall of the outer barrel 1 at a position corresponding to the water spraying hole 22 through three vertical rods 192, the outer side of the conical cover 191 is opposite to the water spraying hole 22, and a conical block 193 is fixedly connected to the middle part of the inner side of the conical cover 191 and used for sealing the material spraying hole 18.
The bottom end of the inner wall of the spraying hole 18 is fixedly connected with dividing strips 20, the number of the dividing strips 20 is not less than six, and the dividing strips are annularly arranged by taking the axle center of the spraying hole 18 as a reference.
The number of the water holes 6 is not less than four and is in annular arrangement by taking the axis of the inner core 2 as a reference, and the number of the water inlet pipe 14 and the copper liquid pipe 15 is not less than six and is in annular arrangement by taking the axis of the inner core 2 as a reference.
The number of the through holes 21 is not less than six and the through holes are arranged in a ring shape with reference to the axis of the core 2, and the lower surface of the connecting ring 4 is flush with the lower surface of the core 2.
The dividing strip 20 is diamond-shaped, and one end of the dividing strip, which is far away from the inner wall of the spraying hole 18, is a tip, and the included angle between the dividing strip 20 and the inner wall of the spraying hole 18 is forty-five degrees.
The design of the parting strip 20 helps to disperse the copper liquid, improves the dispersion of the copper liquid, and reduces copper powder adhesion.
The spraying holes 18 are funnel-shaped with large upper part and small lower part, and are helpful for improving the spraying speed.
Through atomizing device's pertinence design, utilize movable rod 8 to drive the cavity that movable disk 11 cooperated outer bucket 1 formed can carry out rhythmically and carry out fluid infusion and high pressure material spraying atomizing to copper liquid to through the design of the toper cover 191 of dividing strip 20, can cut apart spun copper liquid, and carry out the secondary water spray, disperse and cool off copper liquid through high pressure water flow, form copper powder and because high pressure can form flat copper powder, obtain high apparent density copper powder, the course of working is simple high-efficient, the problem that has solved the in the background art and has put forward.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention, and therefore the invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A copper powder processing method is characterized in that: the post-processing method comprises the following steps:
s1, preparing raw materials: putting the waste copper into a cleaning tank, putting a cleaning agent into the cleaning tank for ultrasonic cleaning, and then using clear water to clean the waste copper, so as to remove dust and greasy dirt on the surface of the waste copper;
s2, putting the waste copper into a crusher for crushing processing to obtain copper particles with diameters smaller than one centimeter;
s3, putting the copper particles obtained in the step S2 into a heating bellows for preheating, wherein the preheating temperature is 160-200 ℃, and simultaneously evaporating the surface moisture of the copper particles;
s4, smelting the preheated copper material in the step S3 in a smelting furnace, removing impurities in molten copper, introducing the molten copper into an atomization device for atomization of the molten copper, centrifugally dewatering and drying the obtained copper powder, reducing, sintering, crushing and screening to obtain copper powder with low apparent density;
the atomizing device mentioned in the above S4 comprises an outer barrel (1) and an inner barrel (2), wherein the inner barrel (2) is positioned in the outer barrel (1), the edge of the top wall of the inner barrel (2) is fixedly connected with the inner top wall of the outer barrel (1) through a separation ring (3), the bottom end of the outer wall of the inner barrel (2) is fixedly connected with the inner side wall of the outer barrel (1) through a connection ring (4), the middle part of the inner barrel (2) is provided with a perforation (5), a plurality of water holes (6) penetrating up and down are further formed in the inner barrel (2), the top wall of the outer barrel (1) is provided with a through hole (7) corresponding to the perforation (5), a movable rod (8) is inserted in the perforation (5), the top end of the movable rod (8) penetrates through the through hole (7) and is fixedly connected with a top plate (9), the upper surface of the top plate (9) and the outer barrel (1) is connected with the inner side wall of the outer barrel (1) through two symmetrical cylinders (10), the bottom end of the movable rod (8) extends out of the perforation (5) and is fixedly connected with a movable disc (11), the edge of the movable disc (11) is provided with the inner side wall of the outer barrel (1) corresponding to the perforation (5), the top wall is provided with a water supply shell (12), the upper surface of the outer barrel (1) is fixedly communicated with a plurality of water inlet pipes (14), the water outlets of the water inlet pipes (14) are positioned at the inner side of the isolating ring (3), the upper surface of the outer barrel (1) is fixedly communicated with a plurality of copper liquid pipes (15), and the liquid outlet ends of the copper liquid pipes (15) are positioned between the inner wall of the outer barrel (1) and the isolating ring (3);
a plurality of circulation holes (21) are formed in the connecting ring (4), a blocking rod (16) is fixedly connected to the upper surface of the movable disc (11) corresponding to the position of the circulation holes (21) and used for sealing the circulation holes (21), a plurality of discharging holes (17) are formed in the bottom end of the side wall of the outer barrel (1), a plurality of spraying holes (18) are formed in the movable disc (11), a water spraying hole (22) is formed in the bottom wall of the outer barrel (1) corresponding to the position of the spraying hole (18), and a diversion assembly (19) is arranged in the position of the inner bottom wall of the outer barrel (1) corresponding to the water spraying hole (22);
the diversion assembly (19) comprises a conical cover (191), the conical cover (191) is fixedly connected to the inner bottom wall of the outer barrel (1) at a position corresponding to the water spraying hole (22) through three vertical rods (192), the outer side of the conical cover (191) is opposite to the water spraying hole (22), and a conical block (193) is fixedly connected to the middle part of the inner side of the conical cover (191) and used for sealing the material spraying hole (18).
2. A method of copper powder processing according to claim 1, wherein: the bottom end of the inner wall of the spraying hole (18) is fixedly connected with partition strips (20), the number of the partition strips (20) is not less than six, and the partition strips are annularly arranged by taking the axis of the spraying hole (18) as a reference.
3. A method of copper powder processing according to claim 2, wherein: the number of the water holes (6) is not less than four and the water holes are annularly arranged by taking the axis of the inner core (2) as a reference, and the number of the water inlet pipe (14) and the copper liquid pipe (15) is not less than six and the water holes are annularly arranged by taking the axis of the inner core (2) as a reference.
4. A method of copper powder processing according to claim 3, wherein: the number of the circulation holes (21) is not less than six, the circulation holes are annularly arranged by taking the axle center of the inner core (2) as a reference, and the lower surface of the connecting ring (4) is flush with the lower surface of the inner core (2).
5. A method of copper powder processing according to claim 4, wherein: the dividing strips (20) are diamond-shaped, one end of each dividing strip far away from the inner wall of the spraying hole (18) is a tip, and the included angle between each dividing strip (20) and the inner wall of the spraying hole (18) is forty-five degrees.
6. A method of copper powder processing according to claim 5, wherein: the spraying holes (18) are funnel-shaped with big top and small bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211484037.7A CN116079061B (en) | 2022-11-24 | 2022-11-24 | Copper powder processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211484037.7A CN116079061B (en) | 2022-11-24 | 2022-11-24 | Copper powder processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116079061A CN116079061A (en) | 2023-05-09 |
| CN116079061B true CN116079061B (en) | 2024-02-02 |
Family
ID=86185781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211484037.7A Active CN116079061B (en) | 2022-11-24 | 2022-11-24 | Copper powder processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116079061B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006052442A (en) * | 2004-08-11 | 2006-02-23 | S Science:Kk | Method and apparatus for producing fine spherical copper powder in rotating disc process |
| CN1799734A (en) * | 2005-12-12 | 2006-07-12 | 绍兴市吉利来金属材料有限公司 | Method for preparing low apparent density copper powder by reduction of water atomized dry powder |
| CN102049522A (en) * | 2009-11-05 | 2011-05-11 | 中科铜都粉体新材料股份有限公司 | Method for manufacturing high-grade and high-density WS copper powder |
| CN104028769A (en) * | 2014-06-10 | 2014-09-10 | 铜陵国传电子材料科技有限公司 | Manufacturing method of high-green-strength atomized copper powder |
| CN110394457A (en) * | 2019-07-04 | 2019-11-01 | 铜陵鑫佳粉体新材料科技有限公司 | A kind of preparation method of high-performance thermal conductivity copper powder |
| JP6738460B1 (en) * | 2019-04-24 | 2020-08-12 | 東邦チタニウム株式会社 | Method for producing copper powder |
-
2022
- 2022-11-24 CN CN202211484037.7A patent/CN116079061B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006052442A (en) * | 2004-08-11 | 2006-02-23 | S Science:Kk | Method and apparatus for producing fine spherical copper powder in rotating disc process |
| CN1799734A (en) * | 2005-12-12 | 2006-07-12 | 绍兴市吉利来金属材料有限公司 | Method for preparing low apparent density copper powder by reduction of water atomized dry powder |
| CN102049522A (en) * | 2009-11-05 | 2011-05-11 | 中科铜都粉体新材料股份有限公司 | Method for manufacturing high-grade and high-density WS copper powder |
| CN104028769A (en) * | 2014-06-10 | 2014-09-10 | 铜陵国传电子材料科技有限公司 | Manufacturing method of high-green-strength atomized copper powder |
| JP6738460B1 (en) * | 2019-04-24 | 2020-08-12 | 東邦チタニウム株式会社 | Method for producing copper powder |
| CN110394457A (en) * | 2019-07-04 | 2019-11-01 | 铜陵鑫佳粉体新材料科技有限公司 | A kind of preparation method of high-performance thermal conductivity copper powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116079061A (en) | 2023-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109746408A (en) | A kind of multi-station die casting machine | |
| CN206587742U (en) | A kind of synthetic fabric cleaner production equipment | |
| CN203992414U (en) | A kind of gold and silver powder by atomization device | |
| CN116079061B (en) | Copper powder processing method | |
| CN113798502B (en) | Cooling forming device and production process of stainless steel shot | |
| CN205021949U (en) | Plastics extruder's high -efficient no silk screen filter equipment | |
| CN111633216B (en) | Copper powder water atomization system and atomization structure thereof | |
| CN102430731A (en) | Dual-swirl tangential outer mixed type water atomizing nozzle | |
| CN114734045A (en) | Device for preparing alloy powder by utilizing electric arc | |
| CN112625819A (en) | Efficient block soap forming equipment and working method thereof | |
| CN214344847U (en) | Coke filter | |
| CN209828384U (en) | Three-dimensional filtration sealing machine | |
| CN202270952U (en) | Double-cyclone tangential external-mix water atomizing nozzle | |
| CN204381102U (en) | A kind of cooling system of solder extruder | |
| CN113020610A (en) | Water circulation equipment and circulation method for producing copper-based powder material by water atomization method | |
| CN210098897U (en) | Demolding liquid spraying system of vertical parting molding machine | |
| CN206382297U (en) | A kind of knifing degasser for being easy to clean | |
| CN205308273U (en) | High -efficient granulator | |
| CN215429023U (en) | Environment-friendly polyaluminium chloride production facility | |
| CN118006705A (en) | Preparation process and production line of brown alginate oligosaccharide product | |
| CN206121703U (en) | Particle feedstock molten bath is used in chemical fertilizer production | |
| CN114849588B (en) | Fly ash slag solidification molding granulation recovery system | |
| CN212051243U (en) | Efficient environment-friendly steel rolling oil sludge treatment system | |
| CN212578989U (en) | Rubber filter for processing rubber plate | |
| CN213645822U (en) | Die-casting die cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |