CN208613744U - A kind of gas-heating apparatus for powder by gas-atomization - Google Patents
A kind of gas-heating apparatus for powder by gas-atomization Download PDFInfo
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- CN208613744U CN208613744U CN201821205867.0U CN201821205867U CN208613744U CN 208613744 U CN208613744 U CN 208613744U CN 201821205867 U CN201821205867 U CN 201821205867U CN 208613744 U CN208613744 U CN 208613744U
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Abstract
The utility model discloses a kind of gas-heating apparatus for powder by gas-atomization, including heat gas storage silo, air inlet pipe, escape pipe, heat tape, pressure reducing valve, pressure gauge, relief valve, temperature controller, the air inlet pipe, escape pipe are respectively symmetrically set to heat gas storage silo two sides, the air inlet pipe is in the shape of a spiral, the heat tape is wrapped in air inlet pipe, the escape pipe is equipped with pressure reducing valve, the pressure gauge, relief valve are set to heat gas storage silo, and the temperature controller is electrically connected with heat tape.The utility model easily can carry out temperature control heating to atomization gas, to achieve the effect that improve gas vent speed, so that powder by gas-atomization efficiency improves；The utility model has the advantages that heating efficiency is high, highly-safe and easy to operate.
Description
Technical field
The utility model belongs to metallurgical technology field, and in particular to a kind of gas heating dress for powder by gas-atomization
It sets.
Background technique
Room temperature air progress gas atomization is generallyd use at present and prepares metal powder, there is atomization effect in use
Rate is low, and powder size is coarseer, and distribution is wider, and contacts with high-temperature metal melt, and metal bath rapid condensation is led
The problems such as causing metal liquid stream plug nozzle.For this purpose, researching and developing a kind of gas for being able to solve the above problem for powder by gas-atomization
Heating device is very important.
Utility model content
The purpose of this utility model is to provide a kind of gas-heating apparatus for powder by gas-atomization.
The purpose of this utility model is achieved in that including heat gas storage silo, air inlet pipe, escape pipe, electric heating
Band, pressure reducing valve, pressure gauge, relief valve, temperature controller, the air inlet pipe, escape pipe are respectively symmetrically deposited set on heat gas
Warehouse two sides, in the shape of a spiral, the heat tape is wrapped in air inlet pipe the air inlet pipe, and the escape pipe, which is equipped with, to be subtracted
Pressure valve, the pressure gauge, relief valve are set to heat gas storage silo, and the temperature controller is electrically connected with heat tape
It connects.
The utility model has the beneficial effects that the utility model easily can carry out temperature control heating to atomization gas, thus
Achieve the effect that improve gas vent speed, so that powder by gas-atomization efficiency improves；The utility model have heating efficiency it is high,
Highly-safe and easy to operate advantage；Also act as the effect for reducing gas atomization pulverization device blocking frequency；Gas atomization
The atomization air cavity that gas cylinder is separated by the gas distribution ring of fuel pulverizing plant, play be responsible for by atomization air inlet and branch pipe input and
The atomizing medium guiding role come, and have that airflow clearance is spouting, the air-flow Guide spray structure of composition can be atomized
The metal liquid of molten condition is atomized in journey, not only there is nebulization efficiency height, but also with powder formation rate height and at powder
The advantages of fine size, particularly useful for making submicron particle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of gas atomization pulverization device；
In figure: 1- heat gas storage silo, 2- air inlet pipe, 3- escape pipe, 4- heat tape, 5- pressure reducing valve, 6- pressure gauge,
7- relief valve, 8- temperature controller, 9- gas atomization pulverization device, 9a- pedestal, 9b- gas cylinder, 9c- molten metal flow-guiding mouth,
9d- gas distribution ring, 9e- gas distribution ring-type end cap.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings, but is not subject in any way to the utility model
Limitation is transformed or replaced based on any made by the utility model introduction, belongs to the protection scope of the utility model.
The utility model as shown in 1 ~ Fig. 2 of attached drawing includes heat gas storage silo 1, air inlet pipe 2, escape pipe 3, heat tape
4, pressure reducing valve 5, pressure gauge 6, relief valve 7, temperature controller 8, the air inlet pipe 2, escape pipe 3 are respectively symmetrically set to heating gas
1 two sides of body storage silo, in the shape of a spiral, the heat tape 4 is wrapped in air inlet pipe 2 air inlet pipe 2, the outlet
Pipe 3 be equipped with pressure reducing valve 5, the pressure gauge 6, relief valve 7 be set to heat gas storage silo 1, the temperature controller 8 with
Heat tape 4 is electrically connected.
Preferably, the air inlet pipe 2 is high pressure copper tube.
Preferably, 2 internal diameter of air inlet pipe is 15 ~ 30mm.
Preferably, 50 ~ 80mm of Zhou Changwei of the air inlet pipe 2.
Preferably, it is 150 DEG C that the highest of the heat tape 4, which maintains temperature,.
Preferably, the escape pipe 3 is connect with gas atomization pulverization device 9.
Preferably, the gas atomization pulverization device 9 includes pedestal 9a, gas cylinder 9b, molten metal flow-guiding mouth 9c, gas
Flow splitter 9d, gas distribution ring-type end cap 9e, the gas cylinder 9b are set to pedestal 9a, and the molten metal flow-guiding mouth 9c is set to
Pedestal 9a, and molten metal flow-guiding mouth 9c is connected to pedestal 9a through-hole, molten metal flow-guiding mouth 9c is located in gas cylinder 9b, the gas
The tapered convex in body flow splitter 9d inner circle edge, forms air current spray nozzle structure, and the gas distribution ring 9d is sheathed on metal
Liquid flow-guiding mouth 9c, and between the air current spray nozzle structure of gas distribution ring 9d and molten metal flow-guiding mouth 9c be equipped with air-flow can by
Gap, the gas distribution ring 9d are connect with gas cylinder 9b inner wall, the space in gas cylinder 9b are separated into atomization air cavity, often
A atomization air cavity is equipped with air inlet, and the gas distribution ring-type end cap 9e is set to the end gas cylinder 9b, and gas distribution ring
Air-flow is equipped between shape end cap 9e and the air current spray nozzle structure of gas distribution ring 9d to be gone out by and to molten metal flow-guiding mouth 9c
Inclined gap at mouthful, the air inlet are connect with escape pipe 3.
Preferably, the quantity of the gas distribution ring 9d is 1, and the space in gas cylinder 9b is separated into upper and lower two
A atomization air cavity.
Preferably, the quantity of the gas distribution ring 9d at least 2, by the space in gas cylinder 9b from top to bottom according to
Secondary to be separated into several atomization air cavitys, air-flow is equipped between two adjacent gas distribution ring 9d can be by and to molten metal flow-guiding mouth
The inclined gap in the exit 9c, and be parallel to each other between gap.
Preferably, the outer rim of the molten metal flow-guiding mouth 9c makes molten metal flow-guiding mouth 9c and gas distribution in cone
Gap between ring 9d is tilted to the molten metal exit flow-guiding mouth 9c, logical equipped with water conservancy diversion inside the molten metal flow-guiding mouth 9c
Hole.
Preferably, the apex angle of the cone is 20 ~ 30 °.
Preferably, the atomization air cavity is equipped with two symmetrical air inlets.
Utility model works principle and the course of work: atomization gas, will in the case where the heat tape 4 in air inlet pipe 2 acts on
Gas heating；The gas of heating enters in heat gas storage silo 1, and pressure gauge 6 is used to detect the pressure of heat gas storage silo 1
Power, relief valve 7 are used for superpressure pressure release；Gas is adjusted through pressure reducing valve 5 to pressure needed for gas atomization in heat gas storage silo 1,
Gas atomization pulverization device 9 is delivered to by escape pipe 3；
Molten metal liquid is flowed by the diversion pipe in molten metal flow-guiding mouth 9c, and high pressure gas is entered by escape pipe 3
It is atomized air cavity, and gap and gas between the air current spray nozzle structure respectively along gas distribution ring 9d and molten metal flow-guiding mouth 9c
Body shunts the gap between ring-type end cap 9e and the air current spray nozzle structure of gas distribution ring 9d and sprays, and carries out mist to metal liquid
Change to get submicron particle.
It is measured using the zinc powder powder that common metal powder determination of recovery rates method obtains present invention processing, wherein
Atomizing medium is nitrogen, and nitrogen is heated to 150 DEG C, pressure 1.8MPa, and melt temperature is 620 DEG C, and measurement result is shown in Table 1；Using
The copper powder powder that common metal powder determination of recovery rates method obtains present invention processing is measured, and wherein atomizing medium is nitrogen
Gas, nitrogen are heated to 120 DEG C, pressure 2.6MPa, and melt temperature is 1350 DEG C, and measurement result is shown in Table 1；
1 metal-powder determination of recovery rates result of table.
。
Claims (10)
1. a kind of gas-heating apparatus for powder by gas-atomization, including heat gas storage silo (1), air inlet pipe (2), outlet
(3), heat tape (4), pressure reducing valve (5), pressure gauge (6), relief valve (7), temperature controller (8) are managed, it is characterized in that: described
Air inlet pipe (2), escape pipe (3) respectively symmetrically be set to heat gas storage silo (1) two sides, the air inlet pipe (2) in the shape of a spiral,
The heat tape (4) is wrapped on air inlet pipe (2), and the escape pipe (3) is equipped with pressure reducing valve (5), the pressure gauge
(6), relief valve (7) is set to heat gas storage silo (1), and the temperature controller (8) is electrically connected with heat tape (4).
2. the gas-heating apparatus according to claim 1 for powder by gas-atomization, it is characterized in that: the air inlet pipe
It (2) is high pressure copper tube.
3. the gas-heating apparatus according to claim 1 or 2 for powder by gas-atomization, it is characterized in that: it is described into
Tracheae (2) internal diameter is 15 ~ 30mm.
4. the gas-heating apparatus according to claim 1 or 2 for powder by gas-atomization, it is characterized in that: it is described into
50 ~ 80mm of Zhou Changwei of tracheae (2).
5. the gas-heating apparatus according to claim 1 for powder by gas-atomization, it is characterized in that: the electric heating
It is 150 DEG C that the highest of band (4), which maintains temperature,.
6. the gas-heating apparatus according to claim 1 for powder by gas-atomization, it is characterized in that: the escape pipe
(3) it is connect with gas atomization pulverization device (9).
7. the gas-heating apparatus according to claim 6 for powder by gas-atomization, it is characterized in that: the gas mist
Changing fuel pulverizing plant (9) includes pedestal (9a), gas cylinder (9b), molten metal flow-guiding mouth (9c), gas distribution ring (9d), gas distribution
Cyclic annular end cap (9e), the gas cylinder (9b) are set to pedestal (9a), and the molten metal flow-guiding mouth (9c) is set to pedestal (9a),
And molten metal flow-guiding mouth (9c) is connected to pedestal (9a) through-hole, molten metal flow-guiding mouth (9c) is located in gas cylinder (9b), described
The tapered convex in gas distribution ring (9d) inner circle edge, forms air current spray nozzle structure, and the gas distribution ring (9d) is arranged
In molten metal flow-guiding mouth (9c), and gas is equipped between the air current spray nozzle structure of gas distribution ring (9d) and molten metal flow-guiding mouth (9c)
Stream can by gap, the gas distribution ring (9d) is connect with gas cylinder (9b) inner wall, by the sky in gas cylinder (9b)
Between be separated into atomization air cavity, each atomization air cavity is equipped with air inlet, and the gas distribution ring-type end cap (9e) is set to air guide
Cylinder end (9b), and air-flow energy is equipped between gas distribution ring-type end cap (9e) and the air current spray nozzle structure of gas distribution ring (9d)
Enough pass through and to the inclined gap in exit molten metal flow-guiding mouth (9c), the air inlet is connect with escape pipe (3).
8. the gas-heating apparatus according to claim 7 for powder by gas-atomization, it is characterized in that: the gas point
The quantity for flowing ring (9d) is 1, and the space in gas cylinder (9b) is separated into upper and lower two atomizations air cavity.
9. the gas-heating apparatus according to claim 7 for powder by gas-atomization, it is characterized in that: the gas point
Quantity at least 2 of ring (9d) are flowed, the space in gas cylinder (9b) is successively separated into several atomization air cavitys from top to bottom,
Be equipped between two adjacent gas distribution rings (9d) air-flow can by and to the inclined gap in exit molten metal flow-guiding mouth (9c),
And it is parallel to each other between gap.
10. the gas-heating apparatus according to claim 7 for powder by gas-atomization, it is characterized in that: the metal
The outer rim of liquid flow-guiding mouth (9c) makes gap between molten metal flow-guiding mouth (9c) and gas distribution ring (9d) to metal in cone
The inclination of the liquid flow-guiding mouth exit (9c), the molten metal flow-guiding mouth (9c) is internal to be equipped with water conservancy diversion through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821205867.0U CN208613744U (en) | 2018-07-27 | 2018-07-27 | A kind of gas-heating apparatus for powder by gas-atomization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821205867.0U CN208613744U (en) | 2018-07-27 | 2018-07-27 | A kind of gas-heating apparatus for powder by gas-atomization |
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| CN208613744U true CN208613744U (en) | 2019-03-19 |
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| CN201821205867.0U Active CN208613744U (en) | 2018-07-27 | 2018-07-27 | A kind of gas-heating apparatus for powder by gas-atomization |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253030A (en) * | 2019-08-13 | 2019-09-20 | 湖南骅骝新材料有限公司 | A kind of metal powder atomization preparing apparatus gas pre-heating system |
| CN111036927A (en) * | 2019-12-25 | 2020-04-21 | 陕西斯瑞新材料股份有限公司 | Method for preparing GRCop-84 spherical powder based on VIGA process |
| CN112517918A (en) * | 2020-12-02 | 2021-03-19 | 青岛云路先进材料技术股份有限公司 | Preparation method and production equipment of high-sphericity gas atomized powder |
| CN113145853A (en) * | 2021-04-22 | 2021-07-23 | 鞍钢股份有限公司 | Gas atomization preparation device and method for spherical metal powder |
| CN114653955A (en) * | 2022-02-12 | 2022-06-24 | 山东汇嘉磁电科技有限公司 | Gas atomization powder making method and gas atomization powder making system using same |
| CN115007868A (en) * | 2022-07-15 | 2022-09-06 | 广东银纳增材制造技术有限公司 | Argon filling method and device in 3d printing powder milling process |
-
2018
- 2018-07-27 CN CN201821205867.0U patent/CN208613744U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253030A (en) * | 2019-08-13 | 2019-09-20 | 湖南骅骝新材料有限公司 | A kind of metal powder atomization preparing apparatus gas pre-heating system |
| CN111036927A (en) * | 2019-12-25 | 2020-04-21 | 陕西斯瑞新材料股份有限公司 | Method for preparing GRCop-84 spherical powder based on VIGA process |
| CN112517918A (en) * | 2020-12-02 | 2021-03-19 | 青岛云路先进材料技术股份有限公司 | Preparation method and production equipment of high-sphericity gas atomized powder |
| CN113145853A (en) * | 2021-04-22 | 2021-07-23 | 鞍钢股份有限公司 | Gas atomization preparation device and method for spherical metal powder |
| CN114653955A (en) * | 2022-02-12 | 2022-06-24 | 山东汇嘉磁电科技有限公司 | Gas atomization powder making method and gas atomization powder making system using same |
| CN115007868A (en) * | 2022-07-15 | 2022-09-06 | 广东银纳增材制造技术有限公司 | Argon filling method and device in 3d printing powder milling process |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 650031 No. 86 Yuantong North Road, Yunnan, Kunming Patentee after: Kunming Metallurgical Research Institute Co.,Ltd. Address before: 650031 No. 86 Yuantong North Road, Yunnan, Kunming Patentee before: KUNMING METALLURGICAL Research Institute |
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