CN205270870U - High -purity metallic powder's device is prepared in polymerization of non - transferred arc of bull plasma - Google Patents
High -purity metallic powder's device is prepared in polymerization of non - transferred arc of bull plasma Download PDFInfo
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- CN205270870U CN205270870U CN201521077115.7U CN201521077115U CN205270870U CN 205270870 U CN205270870 U CN 205270870U CN 201521077115 U CN201521077115 U CN 201521077115U CN 205270870 U CN205270870 U CN 205270870U
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Abstract
The utility model belongs to the technical field of high -purity metallic powder's preparation, relate to high -purity metallic powder's device is prepared in polymerization of non - transferred arc of bull plasma, include the vapourizing furnace that connects into by oven and bell, be provided with the non - transferred arc rifle of inlet pipe and the plasma more than two on the bell, the one end and the vapourizing furnace inner chamber intercommunication of discharging pipe, the other end and the feed inlet intercommunication that has row collector of material pipe, install the gas -solid separator on the gas outlet of collector, the gas outlet by freezing pipe of gas -solid separator connects gradually the air exhauster, with vapourizing furnace inner chamber circulation intercommunication behind the heat exchanger, the inner chamber intercommunication with the storage vat is connected behind the flow control valve to the inlet pipe that stretches out the bell outside, with install the vacuum pump on the pipeline of the inner chamber of cooling tube intercommunication or the part, the advantage is: use the utility model discloses the metal powder's that prepares purity is high, the homogeneity is good, the alloy is than accurate, is favorable to the preparation of various electronic paste of later stage, welding colloid material.
Description
Technical field
This utility model belongs to metal-powder device for making technical field, refers in particular to the device of a kind of bull plasma untransferable arc polymerization high purity micro-nano or alloy micro-nano metal-powder.
Background technology
Chinese patent CN102211197B discloses one " evaporation of metal device and the method preparing ultra tiny metal dust with this device ", this device includes crucible (1), plasma transferred arc torch (2), plasma transferred arc (3), graphite (4), additional power source and wire, constitutes electricity loop between them, described plasma transferred arc torch (2) is provided with mean for the air inlet pipe (2.1) that gas enters, described plasma transferred arc (3) is placed between plasma transferred arc torch (2) and crucible (1), described graphite (4) is located at the bottom of crucible (1), the feed pipe (2.2) being arranged over adding for raw metal of described plasma transferred arc (3), it is disadvantageous in that: one is that plasma transferred arc arc (3) needs to support the use graphite (4) and crucible (1), making the raw material that equipment uses many, production cost is high, two is arrange resistant to elevated temperatures crucible and the insulation material that crucible is incubated in vapourizing furnace, when metal material is flashed to metal gas by the fused solution of the nearly boiling point of high temperature, vapourizing furnace inner chamber as easy as rolling off a log pollution by impurity element in impurity in crucible and crucible Self substances element and insulation material under negative pressure normality is doped in high pure metal boil-off gas, cause high pure metal or the serious secondary pollution of high purity alloys metal, it is unable to reach the purpose producing high pure metal or high purity alloys metal powder material, have a strong impact on produced high pure metal or the quality of high purity alloys metal micro nano powder material, cause high-end electronic product, new forms of energy industry, space flight and aviation industry is to the demand of high pure metal or high purity alloys metal micro nano powder material and application, three is be evaporated under the nearly boiling temperature state of alloy material high temperature in crucible, cause the boiling temperature that alloy material is different, its boiling temperature difference is very big, under high temperature fused state, the metal material causing the low boiling temperature in crucible evaporates in a large number in advance, (such as 1. sn-ag alloy: the boiling temperature of stannum is 2602 DEG C, silver boiling temperature is 2162 DEG C to high boiling point temperature metal material slow evaporation, 2. ormolu: the boiling temperature of copper is 2562 DEG C, the boiling temperature of zinc is 907 DEG C), cause the alloy material of required proportioning cannot synchronize uniformly to evaporate in proportion, it is impossible to reach the alloy powder material of requirement ratio at all.
Summary of the invention
The purpose of this utility model is to provide the device of a kind of bull plasma untransferable arc polymerization high purity metal-powder.
The purpose of this utility model is achieved in that
The device of bull plasma untransferable arc polymerization high purity metal-powder, including the vapourizing furnace connected into by furnace wall and bell, described bell is provided with feed pipe, bell outer surface outside feed pipe is laid with plural plasma untransferable arc rifle, the discharging opening of feed pipe and the shower nozzle of plasma untransferable arc rifle all stretch into intracavity in vapourizing furnace, one end of discharge nozzle and vapourizing furnace inner space, the other end connects with the charging aperture of the catcher with drainage conduit, the gas outlet of catcher is provided with gas-solid separator, the gas outlet of gas-solid separator is sequentially connected with air exhauster by cooling tube, connect with the circulation of vapourizing furnace inner chamber after heat exchanger, stretch out feed pipe connection traffic outside bell and control after valve the inner space with storage vat, with on the pipeline of the inner space of cooling tube or parts, vacuum pump is installed.
Above-mentioned plasma untransferable arc rifle has 2 10, the axis of every plasma untransferable arc rifle and the axis angle of vapourizing furnace are 5 40 degree, the all of axis of plasma untransferable arc rifle and the axes intersect of feed pipe are in a bit, and plasma untransferable arc rifle is provided power supply by plasma-arc cabinet.
The internal diameter of above-mentioned feed pipe is 0.5 10mm.
Above-mentioned discharge nozzle is disposed with cooling jacket layer, adiabator layer, exotic material layer from outside to inside, and described exotic material is zirconium oxide or graphite or high temperature resistant synthetic material or high temperature resistant quartz material.
Above-mentioned furnace wall and bell are on double-layer stainless steel jacket structure for water, furnace wall and bell to be provided with the Inlet and outlet water joint connected with double-layer stainless steel water jacket, bell or be provided with the visor observing vapourizing furnace inner case on furnace wall.
That above-mentioned shower nozzle stretches into vapourizing furnace inner chamber and be coated with the sheath that exotic material is made, described sheath zirconium oxide or graphite or high temperature resistant synthetic material or high temperature resistant quartz material manufactures at the outer surface of the shower nozzle stretching into vapourizing furnace inner chamber.
The concrete structure of above-mentioned catcher is: catcher shell is with cooling jacket, the outer layer of cooling jacket is provided with water inlet and outlet, catcher lumen segmentation is become epicoele and cavity of resorption by the horizontal dividing plate that in catcher, intracavity is arranged, lower intracavity has been spaced gas solid separation filter tube, the lower end closed of gas solid separation filter tube, the connecting tube traverse dividing plate after-opening that upper end connects is in epicoele, each connecting tube of upper intracavity is provided with the solenoid electric valve of blow-back, connecting tube between solenoid electric valve with dividing plate is connected to the air supply pipe connected with high pressure tank by Y-pipe, described discharge nozzle connects with the cavity of resorption of catcher, the gas outlet of described catcher is arranged on the epicoele of catcher, the solenoid electric valve of described blow-back is by controller control.
Above-mentioned cooling tube is communicated with the cooling bronchus connected with the cavity of resorption of discharge nozzle and catcher respectively.
The external diameter of above-mentioned gas solid separation filter tube is 8 85mm, the wall thickness of gas solid separation filter tube is 1 5mm, described gas solid separation filter tube has 8 80, the length of lower intracavity gas solid separation filter tube is 20 3000mm, distance between adjacent two gas solid separation filter tube outer walls is 1 500mm, and the distance between gas solid separation filter tube outer wall and the inner collector wall of ragged edge is 1 500mm.
This utility model highlights and useful having the technical effect that compared to existing technology
1, it is not provided with resistant to elevated temperatures crucible in vapourizing furnace of the present utility model and crucible has been carried out the insulation material of insulation, avoid high temperature metallic material when the fused solution evaporated metal gas of the nearly boiling point of high temperature, impurity element in impurity in crucible, crucible Self substances element and insulation material is polluted under negative pressure normality and is doped in high pure metal boil-off gas by vapourizing furnace inner chamber, avoiding the secondary pollution of the metal dust that above-mentioned impurity of the prior art causes, the purity of the single metal or alloy metal dust of production is high.
2, the axis of the plasma untransferable arc rifle of vapourizing furnace of the present utility model and the axes intersect of vapourizing furnace are in a bit, the metal dust raw material of 1 300um quantitatively slowly feeds in raw material after the inner chamber entering vapourizing furnace from feed pipe, gaseous metal is become through high temperature flash evapn in described joining, the submicron metal of 30 1200nm is produced through catcher, especially for two or more metal alloys, the uniformity of the submicron metal processed is good, the uniformity of required proportioning is high, alloy ratio is accurate, be conducive to later stage various electric slurry, the making of welding colloidal materials and application.
3, this utility model is applicable to high-end electronic product, new forms of energy industry, space flight and aviation industry to the demand of nanoscale high pure metal or nanoscale high purity alloys metal powder material and application.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Fig. 2 is the close-up schematic view of catcher in Fig. 1.
Detailed description of the invention
This utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1 Fig. 2:
The device of bull plasma untransferable arc polymerization high purity metal-powder, including the vapourizing furnace 12 connected into by furnace wall 11 and bell 23, described bell 23 is provided with feed pipe 20, bell 23 outer surface outside feed pipe 20 is laid with plural plasma untransferable arc rifle 17, the discharging opening of feed pipe 20 and the shower nozzle 22 of plasma untransferable arc rifle 17 all stretch in vapourizing furnace inner chamber 41, one end of discharge nozzle 24 connects with vapourizing furnace inner chamber 41, the other end connects with the charging aperture 51 of the catcher 50 with drainage conduit 28, the gas outlet of catcher 50 is provided with gas-solid separator 30, the gas outlet of gas-solid separator 30 is sequentially connected with air exhauster 31 by cooling tube 32, connect with the circulation of vapourizing furnace 12 inner chamber after heat exchanger 35, stretch out feed pipe 20 connection traffic outside bell 23 and control after valve 19 inner space with storage vat 18, with the pipeline of the inner space of cooling tube or parts are provided with vacuum pump 29, described parts are catcher 50 or vapourizing furnace 12 etc., purpose is that the inner chamber evacuation to catcher 50 or vapourizing furnace 12 is to reach the purpose of negative-pressure cyclic.
Above-mentioned plasma untransferable arc rifle 17 has 2 10, the axis of every plasma untransferable arc rifle 17 and the axis angle of vapourizing furnace 12 are 5 40 degree, the axis 14 of all of plasma untransferable arc rifle 17 and the axis 13 of feed pipe 20 intersect at a point B, and plasma untransferable arc rifle 17 is provided power supply by plasma-arc cabinet 15.
The internal diameter of above-mentioned feed pipe 20 is 0.5 10mm.
The upside of the flow control valve 19 on above-mentioned feed pipe 20 is arranged at intervals with plural valve 34; two valve 34 alternation switches; flow is controlled through flow control valve 19; can be used for not shutting down charging; described discharge nozzle 24 is disposed with cooling jacket layer, adiabator layer, exotic material layer from outside to inside, and described exotic material is zirconium oxide or graphite or high temperature resistant synthetic material or high temperature resistant quartz material.
Above-mentioned furnace wall 11 and bell 23 are on double-layer stainless steel jacket structure for water, furnace wall 11 and bell 23 and are provided with the Inlet and outlet water joint 10,40 connected with double-layer stainless steel water jacket, and bell 23 or furnace wall are provided with the visor 16 observing vapourizing furnace 12 inner case.
That above-mentioned shower nozzle stretches into vapourizing furnace inner chamber and be coated with the sheath that exotic material is made, described sheath zirconium oxide or graphite or high temperature resistant synthetic material or high temperature resistant quartz material manufactures at the outer surface of the shower nozzle stretching into vapourizing furnace inner chamber.
The concrete structure of above-mentioned catcher 50 is: catcher 50 shell is with cooling jacket, the outer layer of cooling jacket is provided with water inlet and outlet, catcher 50 lumen segmentation is become epicoele 43 and cavity of resorption 45 by the horizontal dividing plate 44 that in catcher 50, intracavity is arranged, gas solid separation filter tube 33 it has been spaced in cavity of resorption 45, the lower end closed of gas solid separation filter tube 33, connecting tube 28 traverse dividing plate 44 after-opening that upper end connects is in epicoele 43, each connecting tube 28 in epicoele 43 is provided with the solenoid electric valve 42 of blow-back, connecting tube 28 between solenoid electric valve 42 with dividing plate 44 is connected to the air supply pipe 27 connected with high pressure tank 26 by Y-pipe, air supply pipe 27 is provided with the solenoid electric valve 42 of supply, described discharge nozzle 24 connects with the cavity of resorption 45 of catcher 50, the gas outlet of described catcher 50 is arranged on the epicoele 43 of catcher 50, the solenoid electric valve 42 of described blow-back and the solenoid electric valve 42 of supply are by controller control.
Above-mentioned cooling tube 32 is communicated with the cooling bronchus 39 connected with the cavity of resorption 45 of discharge nozzle 24 and catcher 50 respectively.
The external diameter L2 of above-mentioned gas solid separation filter tube 33 is 8 85mm, the wall thickness of gas solid separation filter tube 33 is 1 5mm, described gas solid separation filter tube 33 has 8 80, in cavity of resorption 45, the length L4 of gas solid separation filter tube 33 is 20 3000mm, distance L1 between adjacent two gas solid separation filter tube 33 outer walls is 1 500mm, and the distance L3 between gas solid separation filter tube 33 outer wall and catcher 50 inwall of ragged edge is 1 500mm.
The method being polymerized the device high purity metal-powder of high purity metal-powder with bull plasma untransferable arc, comprises the steps:
(1) starting vacuum pump, after vapourizing furnace inner chamber, catcher inner chamber and the discharge nozzle inner chamber of circulation connection, cooling tube inner chamber evacuation (vacuum is 0Pa or less), inject noble gas, the pressure of noble gas is 10 90KPa;
(2) single solid metal or metal alloy attrition grinding are become the metal dust of 1 300um (the best is 3 9um), this metal dust is put in storage vat 18;
(3) starting plasma-arc cabinet makes plasma untransferable arc rifle work, open the recirculated cooling water device on vapourizing furnace, catcher, start the cooling air circulation system of catcher, gas-solid separator, air exhauster, heat exchanger, vapourizing furnace composition, to control the temperature of vapourizing furnace inner chamber, discharge nozzle inner chamber, cooling tube inner chamber, catcher inner chamber;
(4) by the valve 34 on feed pipe 20 and flow control valve 19, quantitatively and continuously from the axis direction of feed pipe 20, the metal dust stored in storage vat 18 is sent into the arc light of 12,000 18000 DEG C that vapourizing furnace 12 inner chamber sprays with plasma untransferable arc rifle 17 to intersect transient evaporation and become gaseous metal;
(5) vacuum pump 29 and air exhauster 31 are started, gaseous metal enters the cavity of resorption of catcher 50 through discharge nozzle 24, microporous filter on gas solid separation filter tube 33 tube wall, gas has a road to connect the vacuum keeping catcher 50 inner chamber with vacuum pump 29, another road is through gas-solid separator 30, air exhauster 31, vapourizing furnace 12 inner chamber is returned after heat exchanger 35, the cavity of resorption that portion gas enters discharge nozzle 24 and catcher 50 through bronchus participates in cooling, submicron metal after gas solid separation filter tube 33 filters regularly is discharged by the drainage conduit 28 of catcher 50 cavity of resorption,
(6) gases at high pressure stored in high pressure tank 26 are regularly sent into blowback in the centre bore of gas solid separation filter tube 33 by the solenoid electric valve 42 controlled by controller by Y-pipe air supply pipe 27, being blown down by the submicron metal blocked on gas solid separation filter tube 33 micropore and on catcher 50 intracavity sidewall and regularly discharge through drainage conduit 28, the average diameter of the submicron metal of discharge is 10 1000nm.
Drainage conduit 28 is at least provided with two valves 34, two valve 34 alternation switches, it is possible to keep not shutting down discharging.
Above-mentioned nano metal is one of nano level silicon, silver, stannum, copper, aluminum, lead, chromium, manganese, described nano metal alloy is nano level stannum Kufil or the metal alloy such as corronil or cupromanganese, described noble gas is one of nitrogen or argon, and the pressure of noble gas is 60 70KPa.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (9)
1. the device of bull plasma untransferable arc polymerization high purity metal-powder, including the vapourizing furnace connected into by furnace wall and bell, it is characterized in that: described bell is provided with feed pipe, bell outer surface outside feed pipe is laid with plural plasma untransferable arc rifle, the discharging opening of feed pipe and the shower nozzle of plasma untransferable arc rifle all stretch into intracavity in vapourizing furnace, one end of discharge nozzle and vapourizing furnace inner space, the other end connects with the charging aperture of the catcher with drainage conduit, the gas outlet of catcher is provided with gas-solid separator, the gas outlet of gas-solid separator is sequentially connected with air exhauster by cooling tube, connect with the circulation of vapourizing furnace inner chamber after heat exchanger, stretch out feed pipe connection traffic outside bell and control after valve the inner space with storage vat, with on the pipeline of the inner space of cooling tube or parts, vacuum pump is installed.
2. the device of bull plasma untransferable arc according to claim 1 polymerization high purity metal-powder, it is characterized in that: described plasma untransferable arc rifle has 2 10, the axis of every plasma untransferable arc rifle and the axis angle of vapourizing furnace are 5 40 degree, the all of axis of plasma untransferable arc rifle and the axes intersect of feed pipe are in a bit, and plasma untransferable arc rifle is provided power supply by plasma-arc cabinet.
3. the device of bull plasma untransferable arc according to claim 1 polymerization high purity metal-powder, it is characterised in that: the internal diameter of described feed pipe is 0.5 10mm.
4. the device of bull plasma untransferable arc according to claim 1 polymerization high purity metal-powder, it is characterized in that: described discharge nozzle is disposed with cooling jacket layer, adiabator layer, exotic material layer from outside to inside, described exotic material is zirconium oxide or graphite or high temperature resistant synthetic material or high temperature resistant quartz material.
5. the device of bull plasma untransferable arc according to claim 1 polymerization high purity metal-powder, it is characterized in that: described furnace wall and bell are double-layer stainless steel jacket structure for water, furnace wall with bell is provided with the Inlet and outlet water joint connected with double-layer stainless steel water jacket, bell or furnace wall is provided with observe vapourizing furnace inner case visor.
6. the device of bull plasma untransferable arc according to claim 1 polymerization high purity metal-powder, it is characterized in that: that described shower nozzle stretches into vapourizing furnace inner chamber and be coated with the sheath that exotic material is made, described sheath zirconium oxide or graphite or high temperature resistant synthetic material or high temperature resistant quartz material manufactures at the outer surface of the shower nozzle stretching into vapourizing furnace inner chamber.
7. the device of the bull plasma untransferable arc polymerization high purity metal-powder according to claim 16 any one, it is characterized in that: the concrete structure of described catcher is: catcher shell is with cooling jacket, the outer layer of cooling jacket is provided with water inlet and outlet, catcher lumen segmentation is become epicoele and cavity of resorption by the horizontal dividing plate that in catcher, intracavity is arranged, lower intracavity has been spaced gas solid separation filter tube, the lower end closed of gas solid separation filter tube, the connecting tube traverse dividing plate after-opening that upper end connects is in epicoele, each connecting tube of upper intracavity is provided with the solenoid electric valve of blow-back, connecting tube between solenoid electric valve with dividing plate is connected to the air supply pipe connected with high pressure tank by Y-pipe, described discharge nozzle connects with the cavity of resorption of catcher, the gas outlet of described catcher is arranged on the epicoele of catcher, the solenoid electric valve of described blow-back is by controller control.
8. the device of bull plasma untransferable arc according to claim 7 polymerization high purity metal-powder, it is characterised in that: described cooling tube is communicated with the cooling bronchus connected with the cavity of resorption of discharge nozzle and catcher respectively.
9. the device of bull plasma untransferable arc according to claim 7 polymerization high purity metal-powder, it is characterized in that: the external diameter of described gas solid separation filter tube is 8 85mm, the wall thickness of gas solid separation filter tube is 1 5mm, described gas solid separation filter tube has 8 80, the length of lower intracavity gas solid separation filter tube is 20 3000mm, distance between adjacent two gas solid separation filter tube outer walls is 1 500mm, and the distance between gas solid separation filter tube outer wall and the inner collector wall of ragged edge is 1 500mm.
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| CN201521077115.7U CN205270870U (en) | 2015-12-19 | 2015-12-19 | High -purity metallic powder's device is prepared in polymerization of non - transferred arc of bull plasma |
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| CN201521077115.7U CN205270870U (en) | 2015-12-19 | 2015-12-19 | High -purity metallic powder's device is prepared in polymerization of non - transferred arc of bull plasma |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458277A (en) * | 2015-12-19 | 2016-04-06 | 江永斌 | Device and method for producing high-purity metal powder through multi-head non-transferred arc plasma polymerization |
| CN114058862A (en) * | 2021-11-15 | 2022-02-18 | 西安西热锅炉环保工程有限公司 | Metal gasification purification process and energy recovery system and method |
-
2015
- 2015-12-19 CN CN201521077115.7U patent/CN205270870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458277A (en) * | 2015-12-19 | 2016-04-06 | 江永斌 | Device and method for producing high-purity metal powder through multi-head non-transferred arc plasma polymerization |
| CN114058862A (en) * | 2021-11-15 | 2022-02-18 | 西安西热锅炉环保工程有限公司 | Metal gasification purification process and energy recovery system and method |
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