CN109304472A - It is hydraulic atomized to produce noble metal powder equipment - Google Patents
It is hydraulic atomized to produce noble metal powder equipment Download PDFInfo
- Publication number
- CN109304472A CN109304472A CN201811357129.2A CN201811357129A CN109304472A CN 109304472 A CN109304472 A CN 109304472A CN 201811357129 A CN201811357129 A CN 201811357129A CN 109304472 A CN109304472 A CN 109304472A
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- China
- Prior art keywords
- metal powder
- spray chamber
- connect
- atomized
- atomization
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- 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.)
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Classifications
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- 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
- B22F9/06—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
Abstract
Noble metal powder equipment is produced the invention discloses hydraulic atomized, the smelting apparatus of melting is carried out to alloy material including being set in rack, the spray chamber for being connect with smelting apparatus and the metal liquid after melting being atomized, the loading head of discharging collection is connect and carried out to the metal powder of atomization formation with spray chamber, the centrifuge for being connect with loading head and metal powder being dehydrated, the drying machine for being connect with centrifuge and dewatered metal powder being dried, it is connect with drying machine and to the screw conveyor transported to the metal powder of drying, it is connected in screw conveyor and carries out the vibrator of vibration sub-sieve to metal powder, it is connect with vibrator and vacuum-packed packing machine is carried out to the metal powder after sub-sieve.The equipment carries out powder processed using hydraulic atomized mode, and by inert gas shielding in fusion process, oxidation is few, and high production efficiency, size distribution is good, the high spherical or subsphaeroidal or irregular shape of the metal powder of output.
Description
Technical field
The present invention relates to the technical fields of metallurgical equipment, more particularly to a kind of hydraulic atomized noble metal powder of producing to set
It is standby.
Background technique
(98% or more sphericity >, lack without hollow powder, satellite powder, bonded powder currently, metal powder need to have spheric granules
Deng), Narrow diameter distribution (D50≤45 μm), low oxygen content (< 100ppm), high apparent density, (impurity content is or not low impurity content
Higher than master alloy, without ceramic inclusions) etc. fundamental characteristics.Therefore, the powder-making technique requirement and powder processed for determining metal powder are set
Standby is very high.And the equipment majority of existing metal powder uses gas atomization mode, but traditional gas atomization equipment
Due to structure problem, the air velocity and pressure sprayed cannot carry out in a high voltage state, cause the metal powder of output
Not only reach fine powder state, and the metal powder of output cannot form high spherical or approximate sphericity, cannot continuous output powder, and
The moisture of the metal powder of output is not dry enough, of low quality.Therefore, existing powder manufacturing apparatus need to have much room for improvement.
Summary of the invention
The purpose of the invention is to overcome the above-mentioned prior art, provides and a kind of hydraulic atomized produce noble metal
Powder apparatus, the hydraulic atomized noble metal powder equipment of producing use hydraulic atomized mode to carry out powder processed, can satisfy
Water atomization pulverization under atmospheric conditions；The rack of the equipment uses non-magnetic rustproof steel construction, and intensity is big, and the service life is long；Alloy material exists
By inert gas shielding in fusion process, oxidation is few；Fusing quick heating, high production efficiency, size distribution are good；The metal powder of output
The spherical or subsphaeroidal or irregular shape of last height, energy continuous production extract powder, the high yield rate of powder out.
The technical solution adopted by the present invention to solve the technical problems is: it is hydraulic atomized to produce noble metal powder equipment,
Including the rack using non-magnetic rustproof steel construction, further include in the rack to alloy material carry out melting smelting apparatus, with
Smelting apparatus connection and the spray chamber that the metal liquid after melting is atomized, the gold for being connect with spray chamber and atomization being formed
Belong to powder and carries out the loading head of discharging collection, the centrifuge and centrifuge for connecting with loading head and being dehydrated to metal powder
Connect and dewatered metal powder is dried drying machine, connect with drying machine and carried out to the metal powder of drying
The screw conveyor of transport connects in screw conveyor and carries out the vibrator of vibration sub-sieve to metal powder, connects with vibrator
It connects and vacuum-packed packing machine is carried out to the metal powder after sub-sieve；Smelting apparatus include for ramming mass ramming crucible and
Alloy material is melt into the medium frequency induction melting furnace of metal liquid；Spray chamber includes being equipped with hydraulic atomized spray disk and exhaust
The upper spray chamber of valve, is equipped with discharge outlet and collection at the middle spray chamber for being equipped with protection inert gas entrance and constant level device
The lower spray chamber of powder funnel；Loading head includes splicing bucket and the water discharging valve in splicing bucket, and centrifuge includes true
Empty pump filter and filter cloth, drying machine is dried using steel belt furnace or heat-circulation oven drying, vibrator use ternary vibrating screen.
Further, the spray chamber includes atomization staving, and upper spray chamber, middle spray chamber and lower spray chamber are respectively arranged on
It is atomized the position of staving upper, middle and lower, the top for being atomized staving is equipped with the heat preservation tundish with restraint-type diversion pipe, high-pressure water mist
Change spray disk to be set to below heat preservation tundish, hydraulic atomized spray disk is equipped with nozzle, and exhaust valve is connected with exhaust pipe, upper atomization
Room be additionally provided with monitoring atomization situation monitor, monitor can height digital display measurement monitoring atomized water, make atomization process parameter control
System is stablized.
Further, the water level monitor being monitored to water level is additionally provided on the middle spray chamber.
Further, the splicing bucket of the loading head passes through the collection powder funnel of stainless steel connecting pipe and lower spray chamber
Connection communicates.
The hydraulic atomized main technique for producing noble metal powder equipment is as follows: (1) alloy material passes through ramming
Crucible ramming mass forms metal liquid up to melting in 1700 DEG C of medium frequency induction melting furnace into smelting temperature；(2) in inertia
Under conditions of gas shield, metal liquid is stayed by heat preservation tundish and restraint-type diversion pipe into spray chamber, and spray chamber passes through spray
Metal liquid atomization is broken into a large amount of tiny molten drops by super-pressure water flow by mouth, tiny drop in flight course by
The metal powder of almost spherical or scrambling particle, metal powder are cooperatively formed to the rapid cooling of surface tension and water
It is deposited on and collects on powder funnel and tentatively drained by discharge outlet；(3) metal powder is defeated by stainless steel connecting pipe
Out in splicing bucket and passing through water discharging valve and carry out second and drain；(4) metal powder, which enters, carries out centrifugal dehydration in centrifuge；
(5) metal powder after centrifugal dehydration enters steel belt furnace drying or heat-circulation oven drying, the metal powder water content after drying
It is delivered on vibrator less than 5%, then through screw conveyor；(6) vibrator uses ternary shaker vibration sub-sieve, send after sub-sieve
It is vacuum-packed to packing machine, obtains noble metal powder finished product.
In conclusion hydraulic atomized noble metal powder equipment of producing of the invention is using hydraulic atomized mode system
Powder can satisfy water atomization pulverization in atmospheric conditions；The rack of the equipment uses non-magnetic rustproof steel construction, and intensity is big, the service life
It is long；For alloy material by inert gas shielding in fusion process, oxidation is few；Melt quick heating, high production efficiency, size distribution
It is good；The high spherical or subsphaeroidal or irregular shape of the metal powder of output, energy continuous production extract powder, the high yield rate of powder out.
Detailed description of the invention
Fig. 1 is the hydraulic atomized simple connection block diagram for producing noble metal powder equipment of the embodiment of the present invention 1；
Fig. 2 is the simplified schematic diagram of spray chamber.
Specific embodiment
Embodiment 1
It is hydraulic atomized described in the present embodiment 1 to produce noble metal powder equipment, as shown in Figure 1 and Figure 2, including use
The rack (not shown) of non-magnetic rustproof steel construction further includes the smelting apparatus for carrying out melting to alloy material in rack
1, connect with smelting apparatus and the metal liquid after melting is atomized spray chamber 2, connect with spray chamber and to atomization shape
At metal powder carry out the loading head 3 of discharging collection, the centrifuge 4 that connect with loading head and metal powder is dehydrated,
Connect with centrifuge and dewatered metal powder is dried drying machine 5, connect with drying machine and to the gold to drying
Belong to powder transported screw conveyor 6, in screw conveyor connect and to metal powder carry out vibration sub-sieve vibrator
7, it is connect with vibrator and vacuum-packed packing machine 8 is carried out to the metal powder after sub-sieve；Smelting apparatus includes being used for ramming
The ramming crucible (not shown) of material and the medium frequency induction melting furnace that alloy material is melt into metal liquid (is not shown in figure
Show)；Spray chamber includes the upper spray chamber 22 for being equipped with hydraulic atomized spray disk 9 and exhaust valve 10, is equipped with protection inert gas
The middle spray chamber 23 of entrance 11 and constant level device 12, the lower spray chamber 24 equipped with discharge outlet 13 and collection powder funnel 14；
Loading head includes splicing bucket (not shown) and the water discharging valve (not shown) in splicing bucket, and centrifuge includes
There are vacuumfilter (not shown) and filter cloth (not shown), drying machine is dried using steel belt furnace or heat-circulation oven dries
Dry, vibrator uses ternary vibrating screen.
In this embodiment, which includes atomization staving 15, and upper spray chamber, middle spray chamber and lower spray chamber are set respectively
In the position of atomization staving upper, middle and lower, the top for being atomized staving is equipped with the heat preservation tundish 16 with restraint-type diversion pipe 21, high
Water atomization spray disk is pressed to be set to below heat preservation tundish, hydraulic atomized spray disk is equipped with nozzle 20, and exhaust valve is connected with exhaust pipe
Road 17, upper spray chamber be additionally provided with monitoring atomization situation monitor 18, monitor can height digital display measurement monitoring atomized water, make mist
Change process parameter control to stablize.
In the present embodiment, the water level monitor 19 being monitored to water level is additionally provided in this on spray chamber.
In the present embodiment, the splicing bucket of the loading head passes through stainless steel connecting pipe (not shown) and lower spray chamber
Collection powder funnel connection communicate.
The hydraulic atomized main technique for producing noble metal powder equipment is as follows: (1) alloy material passes through ramming
Crucible ramming mass forms metal liquid up to melting in 1700 DEG C of medium frequency induction melting furnace into smelting temperature；(2) in inertia
Under conditions of gas shield, metal liquid is stayed by heat preservation tundish and restraint-type diversion pipe into spray chamber, and spray chamber passes through spray
Metal liquid atomization is broken into a large amount of tiny molten drops by super-pressure water flow by mouth, tiny drop in flight course by
The metal powder of almost spherical or scrambling particle, metal powder are cooperatively formed to the rapid cooling of surface tension and water
It is deposited on and collects on powder funnel and tentatively drained by discharge outlet；(3) metal powder is defeated by stainless steel connecting pipe
Out in splicing bucket and passing through water discharging valve and carry out second and drain；(4) metal powder, which enters, carries out centrifugal dehydration in centrifuge；
(5) metal powder after centrifugal dehydration enters steel belt furnace drying or heat-circulation oven drying, the metal powder water content after drying
It is delivered on vibrator less than 5%, then through screw conveyor；(6) vibrator uses ternary shaker vibration sub-sieve, send after sub-sieve
It is vacuum-packed to packing machine, obtains noble metal powder finished product.
The above described is only a preferred embodiment of the present invention, not making any form to technical solution of the present invention
On limitation.According to the technical essence of the invention any simple modification to the above embodiments, equivalent variations and repair
Decorations, in the range of still falling within technical solution of the present invention.
Claims (4)
1. hydraulic atomized produce noble metal powder equipment, which is characterized in that including the rack using non-magnetic rustproof steel construction, also
Including carrying out the smelting apparatus of melting to alloy material in rack, being connect with smelting apparatus and to the metal liquid after melting
The spray chamber being atomized, the metal powder for connecting with spray chamber and being formed to atomization carry out the loading head and collection of discharging collection
Glassware connection and the centrifuge being dehydrated to metal powder connect with centrifuge and dry to dewatered metal powder
Drying machine, connect with drying machine and connect to the screw conveyor transported to the metal powder of drying, in screw conveyor
It connects and the vibrator of vibration sub-sieve is carried out to metal powder, connect with vibrator and vacuum packet is carried out to the metal powder after sub-sieve
The packing machine of dress；Smelting apparatus includes the intermediate frequency sense that metal liquid is melt into for the ramming crucible of ramming mass and alloy material
Answer smelting furnace；Spray chamber includes the upper spray chamber for being equipped with hydraulic atomized spray disk and exhaust valve, is equipped with protection inert gas
The middle spray chamber of entrance and constant level device, the lower spray chamber equipped with discharge outlet and collection powder funnel；Loading head includes
Splicing bucket and the water discharging valve in splicing bucket, centrifuge include vacuumfilter and filter cloth, and drying machine uses steel belt furnace
Drying or heat-circulation oven drying, vibrator use ternary vibrating screen.
2. hydraulic atomized noble metal powder equipment is produced according to claim 1, which is characterized in that the spray chamber
Including being atomized staving, upper spray chamber, middle spray chamber and lower spray chamber are respectively arranged on the position of atomization staving upper, middle and lower, are atomized bucket
The top of body is equipped with the heat preservation tundish with restraint-type diversion pipe, and hydraulic atomized spray disk is set to below heat preservation tundish, high pressure
Water atomization sprays disk and is equipped with nozzle, and exhaust valve is connected with exhaust pipe, and upper spray chamber is additionally provided with the monitor of monitoring atomization situation.
3. hydraulic atomized noble metal powder equipment is produced according to claim 2, which is characterized in that the middle atomization
The water level monitor being monitored to water level is additionally provided on room.
4. hydraulic atomized noble metal powder equipment is produced according to claim 3, which is characterized in that the loading head
Splicing bucket is connect with the collection powder funnel of lower spray chamber by stainless steel connecting pipe and is communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357129.2A CN109304472A (en) | 2018-11-15 | 2018-11-15 | It is hydraulic atomized to produce noble metal powder equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357129.2A CN109304472A (en) | 2018-11-15 | 2018-11-15 | It is hydraulic atomized to produce noble metal powder equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109304472A true CN109304472A (en) | 2019-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811357129.2A Withdrawn CN109304472A (en) | 2018-11-15 | 2018-11-15 | It is hydraulic atomized to produce noble metal powder equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109304472A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468737A (en) * | 2020-03-07 | 2020-07-31 | 福达合金材料股份有限公司 | Powder preparation and powder mixing integrated device and application thereof |
| CN111957981A (en) * | 2020-08-18 | 2020-11-20 | 苏州鲁信新材料科技有限公司 | Equipment for preparing copper alloy powder by water-gas combined atomization and use method thereof |
| CN112077326A (en) * | 2020-08-18 | 2020-12-15 | 苏州鲁信新材料科技有限公司 | Atomization device for preparing copper alloy powder |
| CN112620639A (en) * | 2020-11-18 | 2021-04-09 | 江西鑫润材料科技有限公司 | Alloy powder manufacturing equipment |
-
2018
- 2018-11-15 CN CN201811357129.2A patent/CN109304472A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468737A (en) * | 2020-03-07 | 2020-07-31 | 福达合金材料股份有限公司 | Powder preparation and powder mixing integrated device and application thereof |
| CN111957981A (en) * | 2020-08-18 | 2020-11-20 | 苏州鲁信新材料科技有限公司 | Equipment for preparing copper alloy powder by water-gas combined atomization and use method thereof |
| CN112077326A (en) * | 2020-08-18 | 2020-12-15 | 苏州鲁信新材料科技有限公司 | Atomization device for preparing copper alloy powder |
| CN112620639A (en) * | 2020-11-18 | 2021-04-09 | 江西鑫润材料科技有限公司 | Alloy powder manufacturing equipment |
| CN112620639B (en) * | 2020-11-18 | 2023-02-07 | 江西鑫润材料科技有限公司 | Alloy powder manufacturing equipment |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190205 |
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| WW01 | Invention patent application withdrawn after publication |