CN203495240U - Powder metallurgical high-pressure water-atomized pulverizing device - Google Patents
Powder metallurgical high-pressure water-atomized pulverizing device Download PDFInfo
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- CN203495240U CN203495240U CN201320565703.XU CN201320565703U CN203495240U CN 203495240 U CN203495240 U CN 203495240U CN 201320565703 U CN201320565703 U CN 201320565703U CN 203495240 U CN203495240 U CN 203495240U
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Abstract
The utility model provides a powder metallurgical high-pressure water-atomized pulverizing device. The powder metallurgical high-pressure water-atomized pulverizing device comprises a box-shaped leakage bag used for storing metal liquid in a thermal insulation manner, a liquid guide pipe arranged under the leakage bag and communicated with the interior of the leakage bag and a powder storage box arranged under the liquid guide pipe. The powder metallurgical high-pressure water-atomized pulverizing device is characterized in that: a first atomizer and a second atomizer are arranged between the liquid guide pipe and the power storage box from the top to the bottom; the first atomizer comprises a first atomized pipe and a first nozzle arranged at one end of the atomized pipe and communicated with the interior of the first atomized pipe; and the second atomizer comprises a second atomized pipe and a second nozzle arranged at one end of the atomized pipe and communicated with the interior of the second atomized pipe. The powder metallurgical high-pressure water-atomized pulverizing device has following beneficial effects: due to the fact that the first atomizer is additionally arranged, metal liquid is cut, dispersed and cracked into minimal liquid drops when flowing at an atomization focus by high-pressure water injected out of the first nozzle and then condensed to obtain powder; and due to the fact that the second atomizer is additionally arranged, oxidation of metals and alloys is reduced by low-pressure inert gas, namely, neon gas injected out of the second nozzle so that oxygen content of the powder is reduced.
Description
Technical field
The utility model relates to a kind of fuel pulverizing plant, is specifically related to a kind of high-pressure water atomized powder making device, Powdered for metalliferous material is made, and belongs to powder metallurgy field of mechanical technique.
Background technology
Metal Injection Molding is the Novel powder metallurgy forming technique that modern plastics injection molding technology introducing field of powder metallurgy is formed.Its basic craft course is: first that pressed powder and organic adhesive is evenly mixing, after granulating, under heating plasticizing state, with injection (mo(u)lding) machine, inject curing molding in mould cavity, then by the method for chemistry or thermal decomposition, the bonding agent in one-tenth parison is removed, finally by sintering densification, obtain final products.Compare with traditional handicraft, have that precision is high, a feature such as even tissue, excellent performance, production cost are low, be particularly suitable for producing in enormous quantities the baroque constitutional detail of small-sized three-dimensional.
Powder is the initial materials of metallurgical injection molding technology, and its quality directly affects the quality of final finished product.Conventional milling method is Mechanical Method at present, utilize ball milling or utilize power (High Rotation Speed of driven by motor) to make to produce between metalliferous material fragment the method for collision, friction acquisition metal dust, the major defect of this method is that product oxygen content is high, powder shape mostly is irregular, particle diameter is inhomogeneous.
Utility model content
In order to solve the deficiency in background technology, the purpose of this utility model is to overcome the defect of background technology, and the powder metallurgy that a kind of oxygen content is low, particle diameter is even, powder shape is regular high-pressure water atomized powder making device is provided.
For achieving the above object, the technical solution adopted in the utility model is: a kind of powder metallurgy high-pressure water atomized powder making device, comprise the case shape bottom pour ladle that stores molten metal for being incubated, be arranged under described bottom pour ladle and with the catheter of its internal communication, and be arranged on the powder storage tank under described catheter, it is characterized in that: between described catheter and powder storage tank, be also provided with the first atomizer from top to bottom, the second atomizer, described the first atomizer comprise the first mist pipe and be arranged on its one end and with the first nozzle of its internal communication, described the second atomizer comprise the second mist pipe and be arranged on its one end and with the second nozzle of its internal communication.
In preferred embodiment of the utility model, the other end that further comprises described the first mist pipe is communicated with for add the high pressure hydroecium of water under high pressure, the other end of described the second mist pipe to be communicated with for add the low-pressure chamber of low-pressure gas to the second mist pipe to the first mist pipe.
In preferred embodiment of the utility model, further comprise that described the first nozzle is circumferential weld nozzle, the angle between Qie Qi center spray line and the axis of described catheter is 21 ~ 25 °.
In preferred embodiment of the utility model, further comprise that the central-injection line of described second nozzle and the angle between the axis of described catheter are 22.5 ~ 25 °.
In preferred embodiment of the utility model, further comprise that described high pressure hydroecium is 10 ~ 15MPa to the hydraulic pressure of the water under high pressure adding in the first mist pipe.
In preferred embodiment of the utility model, further comprise that described low-pressure chamber is neon to the low-pressure gas adding in the second mist pipe.
Usefulness of the present utility model is: a kind of powder metallurgy high-pressure water atomized powder making device of the present utility model, by adding the first atomizer, the water under high pressure ejecting from the first nozzle in atomization focus to the metal liquid stream cut-out of flowing through, dispersion, cracking and become fine droplet and then solidify acquisition powder; Meanwhile, by the second atomizer adding, the low-pressure inert gas-neon ejecting from second nozzle reduces the oxidation of metal and alloy, reduces the oxygen content of powder.The powder that the combined type powder by atomization device hydraulic atomized, the protection of low pressure neon of the utility model design obtains after flouring technology finishes can be realized spherical, and particle diameter is even, oxygen content is low.
figure of description
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of powder metallurgy high-pressure water atomized powder making device of the present utility model.
In figure: 2, bottom pour ladle, 4, catheter, 6, powder storage tank, the 8, first atomizer, the 10, second atomizer, the 12, first mist pipe, the 14, first nozzle, the 16, second mist pipe, 18, second nozzle, 20, high pressure hydroecium, 22, low-pressure chamber.
The specific embodiment
In order to make those skilled in the art person understand better the utility model scheme, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of powder metallurgy high-pressure water atomized powder making device, comprise the case shape bottom pour ladle 2 that stores molten metal for being incubated, be arranged under bottom pour ladle 2 and with the catheter 4 of its internal communication, and be arranged on the powder storage tank 6 under catheter 4, it also comprises the first atomizer 8 that is arranged between catheter 4 and powder storage tank 6 and arranges from top to bottom, the second atomizer 10, the first atomizer 8 comprise the first mist pipe 12 and be arranged on its one end and with the first nozzle 14 of its internal communication, the other end of the first mist pipe 8 is communicated with for add the high pressure hydroecium 20 of water under high pressure to the first mist pipe 8, the second atomizer 10 comprise the second mist pipe 16 and be arranged on its one end and with the second nozzle 18 of its internal communication, the other end of the second mist pipe 16 is communicated with for add the low-pressure chamber 22 of low-pressure gas to the second mist pipe 16.
The water under high pressure ejecting from the first nozzle 14 in atomization focus, the metal liquid stream cut-out of flowing through, dispersion, cracking are become fine droplet then cure obtain powder; The low-pressure inert gas ejecting from second nozzle 18 reduces the oxidation of metal and alloy, reduces the oxygen content of powder.The powder that the utility model is hydraulic atomized by designing, the combined type powder by atomization device of low-pressure inert gas protection obtains after flouring technology finishes can be realized spherical, and particle diameter is even, oxygen content is low.
Nozzle is vital parts in water atomization pulverization device, through experimental study repeatedly, find, by the control to water, gas jet angle, can better control the particle size uniformity of powder and the systematicness of profile, for this reason, the utility model preferably the first nozzle 14 is circumferential weld nozzle, and the angle α between Qie Qi center spray line and the axis of catheter 4 is 21 ~ 25 °, and the angle β between the central-injection line of second nozzle 18 and the axis of catheter 4 is 22.5 ~ 25 °.
In order further to improve the uniformity of powder diameter, it is 10 ~ 15MPa to the hydraulic pressure of the water under high pressure adding in the first mist pipe 12 that the utility model limits high pressure hydroecium 20.
Low-pressure chamber 22 is neon to the low-pressure gas adding in the second mist pipe 16, adopts inert gas neon to carry out the activity gas in air-isolation, reduces itself and the oxidation of metal and alloy, the oxygen content of reduction powder.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify and all should be equivalent substitute mode, within being included in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. a powder metallurgy high-pressure water atomized powder making device, comprise the case shape bottom pour ladle that stores molten metal for being incubated, be arranged under described bottom pour ladle and with the catheter of its internal communication, and be arranged on the powder storage tank under described catheter, it is characterized in that: between described catheter and powder storage tank, be also provided with the first atomizer from top to bottom, the second atomizer, described the first atomizer comprise the first mist pipe and be arranged on its one end and with the first nozzle of its internal communication, described the second atomizer comprise the second mist pipe and be arranged on its one end and with the second nozzle of its internal communication.
2. a kind of powder metallurgy high-pressure water atomized powder making device according to claim 1, it is characterized in that: the other end of described the first mist pipe is communicated with for add the high pressure hydroecium of water under high pressure, the other end of described the second mist pipe to be communicated with for add the low-pressure chamber of low-pressure gas to the second mist pipe to the first mist pipe.
3. a kind of powder metallurgy high-pressure water atomized powder making device according to claim 2, is characterized in that: described the first nozzle is circumferential weld nozzle, and the angle between Qie Qi center spray line and the axis of described catheter is 21 ~ 25 °.
4. a kind of powder metallurgy high-pressure water atomized powder making device according to claim 2, is characterized in that: central-injection line and the angle between the axis of described catheter of described second nozzle are 22.5 ~ 25 °.
5. a kind of powder metallurgy high-pressure water atomized powder making device according to claim 2, is characterized in that: described high pressure hydroecium is 10 ~ 15MPa to the hydraulic pressure of the water under high pressure adding in the first mist pipe.
6. a kind of powder metallurgy high-pressure water atomized powder making device according to claim 2, is characterized in that: described low-pressure chamber is neon to the low-pressure gas adding in the second mist pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320565703.XU CN203495240U (en) | 2013-09-12 | 2013-09-12 | Powder metallurgical high-pressure water-atomized pulverizing device |
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| CN201320565703.XU CN203495240U (en) | 2013-09-12 | 2013-09-12 | Powder metallurgical high-pressure water-atomized pulverizing device |
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| CN203495240U true CN203495240U (en) | 2014-03-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001589A (en) * | 2016-07-19 | 2016-10-12 | 株洲科能新材料有限责任公司 | Brittle metal microspheres preparation method based on metal microspheres forming device |
| CN106132599A (en) * | 2014-03-31 | 2016-11-16 | 杰富意钢铁株式会社 | The manufacture method of atomized metal pow der |
| CN107127348A (en) * | 2017-06-15 | 2017-09-05 | 北京康普锡威科技有限公司 | A kind of preparation method of MIM metal dusts |
| CN113751715A (en) * | 2020-06-01 | 2021-12-07 | 株洲优瑞科有色装备有限公司 | High-pressure water atomization metal powder slurry making process and slurry making system thereof |
-
2013
- 2013-09-12 CN CN201320565703.XU patent/CN203495240U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132599A (en) * | 2014-03-31 | 2016-11-16 | 杰富意钢铁株式会社 | The manufacture method of atomized metal pow der |
| CN106132599B (en) * | 2014-03-31 | 2018-03-20 | 杰富意钢铁株式会社 | The manufacture method of atomized metal pow der |
| US10293407B2 (en) | 2014-03-31 | 2019-05-21 | Jfe Steel Corporation | Method of producing atomized metal powder |
| CN106001589A (en) * | 2016-07-19 | 2016-10-12 | 株洲科能新材料有限责任公司 | Brittle metal microspheres preparation method based on metal microspheres forming device |
| CN106001589B (en) * | 2016-07-19 | 2017-12-05 | 株洲科能新材料有限责任公司 | A kind of method that brittle metal microballoon is prepared based on metallic microspheres shaped device |
| CN107127348A (en) * | 2017-06-15 | 2017-09-05 | 北京康普锡威科技有限公司 | A kind of preparation method of MIM metal dusts |
| CN113751715A (en) * | 2020-06-01 | 2021-12-07 | 株洲优瑞科有色装备有限公司 | High-pressure water atomization metal powder slurry making process and slurry making system thereof |
| CN113751715B (en) * | 2020-06-01 | 2023-08-29 | 株洲优瑞科有色装备有限公司 | High-pressure water atomization metal powder pulping process and pulping system thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20160912 |