CN218168718U - Integrative production facility of metal powder high temperature plastic purification - Google Patents
Integrative production facility of metal powder high temperature plastic purification Download PDFInfo
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- CN218168718U CN218168718U CN202222029702.5U CN202222029702U CN218168718U CN 218168718 U CN218168718 U CN 218168718U CN 202222029702 U CN202222029702 U CN 202222029702U CN 218168718 U CN218168718 U CN 218168718U
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Abstract
The utility model discloses an integrative production facility of metal powder high temperature plastic purification, include: a furnace body; the first supporting seat is arranged on one side of the furnace body; the second supporting seat is arranged on the other side of the furnace body; the working container is arranged in the furnace body, a first rotating supporting tube and a second rotating supporting tube which extend out of the furnace body and are coaxial are respectively arranged at two ends of the working container, the first rotating supporting tube is supported on the first supporting seat, and the second rotating supporting tube is supported on the second supporting seat; the vacuumizing device is used for vacuumizing the working container; the inflation device is used for inflating the required gas into the working container; and the driving mechanism is used for driving the working container to rotate around the axis of the first rotating supporting pipe. The utility model discloses integrate five steps of hydrogenation, breakage, dehydrogenation, molding and purification, reduce operating procedure, raise the efficiency, and the metal powder is broken and balling is effectual, improves titanium metal's utilization ratio.
Description
Technical Field
The utility model relates to a processing equipment of metal, in particular to integrative production facility of metal powder high temperature plastic purification.
Background
The powder metallurgy forming process such as 3D printing and injection forming is widely used, has high requirements on the performance of a titanium powder raw material, and particularly puts high requirements on powder flowability besides the granularity, the composition and the oxygen content of the titanium powder raw material. For example, titanium metal is widely used in the fields of aerospace, petrochemical, energy, biomedical and the like because it is a metal with low density, good corrosion resistance, high specific strength and excellent biocompatibility. The powder metallurgy process has higher requirements on the performance of the titanium powder raw material, and particularly has higher requirements on powder flowability besides the granularity, the composition and the oxygen content performance. Since powder flowability directly affects powder molding quality, powder metallurgy processes such as 3D printing and injection molding generally use spherical titanium powder having good powder flowability as a raw material. The existing method for preparing titanium metal powder with high quality and low cost comprises electrode vacuum induction gas atomization, rotary electrode vacuum gas atomization and plasma vacuum gas atomization, the yield of fine powder in the production process is generally low (generally, the yield of fine powder is below 40 percent), a large amount of titanium metal coarse particles are left without using any place, and the resource waste is serious; the repeated utilization rate of a large amount of titanium scraps left by the titanium metal machining is also low, and the waste is serious.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a metal powder high temperature plastic purification integrative production facility, will multistep integration and improve fine powder yield.
According to the utility model discloses integrative production facility of metal powder high temperature plastic purification of first aspect embodiment, include: a furnace body; the first supporting seat is arranged on one side of the furnace body; the second supporting seat is arranged on the other side of the furnace body; the working container is arranged in the furnace body, a first rotating supporting tube and a second rotating supporting tube which extend out of the furnace body and are coaxial are respectively arranged at two ends of the working container, the first rotating supporting tube is supported on the first supporting seat, and the second rotating supporting tube is supported on the second supporting seat; the vacuumizing device is used for vacuumizing the working container; the inflation device is used for inflating the required gas into the working container; and the driving mechanism is used for driving the working container to rotate around the axis of the first rotating supporting pipe.
According to the utility model discloses integrative production facility of metal powder high temperature plastic purification has following beneficial effect at least: the aerating device can be filled with hydrogen and realize hydrogenation under the action of the high-temperature furnace body; the working container rotates to drive a kinetic energy carrier in the working container to crush the titanium metal; then, the dehydrogenation of the titanium metal is realized by utilizing the vacuum pumping and high-temperature treatment; the working container continuously rotates to remove acute angles and edges on the surface of the metal powder, so that a spherical or quasi-spherical effect is formed step by step, gas impurities separated at high temperature are discharged, a spheroidizing and purifying effect is achieved, five steps of hydrogenation, crushing, dehydrogenation, shaping and purification are integrated, the operation steps are reduced, and the efficiency is improved; the metal powder has good crushing and spheroidizing effects, and the utilization rate of the titanium metal is improved.
According to some embodiments of the present invention, the inflation device is connected with the first rotary support tube through a first rotary joint.
According to some embodiments of the invention, the first rotary joint is connected to the first rotary support tube by a sealing valve.
According to the utility model discloses a some embodiments, first rotary joint is equipped with first loose flange, sealing valve is equipped with second loose flange, first loose flange and second loose flange are equipped with corresponding hole site and are fixed in order to pass through bolted connection.
According to some embodiments of the utility model, evacuating device is connected and is equipped with second rotary joint and first filter equipment between the two in proper order with the rotatory stay tube of second.
According to some embodiments of the present invention, a roll-over stand is hinged to the upper end of the first support seat, the roll-over stand is provided with a limiting perforation, the first rotary support tube is arranged through the limiting perforation and axially fixed with the roll-over stand, and the upper end of the furnace body can be opened and closed; after the upper end of the furnace body is opened, the working container can turn over along with the turning frame.
According to the utility model discloses a some embodiments, actuating mechanism is for installing in the motor of roll-over stand, first rotatory stay tube periphery cover is equipped with a driving sleeve, the motor links to each other with the driving sleeve transmission, in order to drive first rotatory stay tube is rotatory with the work container.
According to some embodiments of the utility model, still including lifting by crane rotary device, the rotatory stay tube of second and axial fixity are located to the rotary device cover that lifts by crane, it can be rotatory around the rotatory stay tube of second to lift by crane rotary device.
According to some embodiments of the utility model, lift by crane rotary device including lifting by crane frame, lifting hook and gyro wheel, lift by crane the frame cover and locate the rotatory stay tube of second, the lifting hook is located and is lifted by crane the frame periphery, gyro wheel circumference is arranged in lifting by crane the frame inner circle, the rotatory stay tube perisporium of second has set firmly the track sleeve, the track sleeve is equipped with the circular orbit with the gyro wheel adaptation, the gyro wheel can roll along the circular orbit.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic structural diagram of an embodiment of the metal powder high-temperature shaping and purifying integrated production equipment of the present invention;
FIG. 2 is a schematic structural diagram of a hoisting and rotating device;
fig. 3 isbase:Sub>A sectional view taken atbase:Sub>A-base:Sub>A of fig. 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the present invention, such as the upper and lower directions, is the orientation or positional relationship shown in the drawings, and is only for the convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, an embodiment of the present invention provides an integrated production apparatus for high-temperature shaping and purifying metal powder, including a furnace body 100, a first supporting seat 200, a second supporting seat 300, a working container 400, a vacuum-pumping device 500, an air-charging device 600, and a driving mechanism 700. The metal powder used for making the coarse metal particles into fine spherical shape may be one of transition metal elements of the sixth period of the periodic table, such as titanium, tantalum, zirconium, hafnium, etc.
The furnace body 100, the furnace body 100 is equipped with in the installation and installs heating member 130, but the ohmic heating. The first supporting seat 200 is arranged at one side of the furnace body 100, and the second supporting seat 300 is arranged at the other side of the furnace body 100; the working container 400 is arranged in the furnace body 100, the two ends of the working container 400 are respectively provided with a first rotary supporting tube 410 and a second rotary supporting tube 420 which extend out of the furnace body 100 and are coaxial, the first rotary supporting tube 410 is supported on the first supporting seat 200, the second rotary supporting tube 420 is supported on the second supporting seat 300, the first supporting seat 200 and the second supporting seat 300 are used for stably supporting the working container 400, and the vacuumizing device 500 is used for vacuumizing the working container 400 to exhaust or replace gas in the working container 400 so as to meet process requirements. The inflator 600 is used to fill the working container 400 with a desired gas, which may be various, and a plurality of gas sources are provided to achieve the filling of various gases. The driving mechanism 700 is used for driving the working container 400 to rotate around the axis of the first rotating support pipe 410, the working container 400 can roll the titanium metal, uniform processing is realized, continuous crushing and shaping spheroidization can be realized, and the utilization rate of the titanium metal is improved.
According to the metal powder high-temperature shaping and purifying integrated production equipment provided by the embodiment of the utility model, the inflation device 600 can be filled with hydrogen, and hydrogenation is realized under the action of the high-temperature furnace body; the working container 400 rotates to drive the kinetic energy carrier in the working container 400 to crush the titanium metal; then, the dehydrogenation of the titanium metal is realized by utilizing the vacuum pumping and high-temperature treatment; and the working container 400 continuously rotates to remove acute angles and edges on the surface of the metal powder, so that a spherical or quasi-spherical effect is formed step by step, gas impurities separated at high temperature are discharged, a spheroidizing and purifying effect is achieved, five steps of hydrogenation, crushing, dehydrogenation, shaping and purification are integrated, the operation steps are reduced, the efficiency is improved, the metal powder crushing and spheroidizing effects are good, and the utilization rate of titanium metal is improved. The kinetic energy carrier may be a hard sphere, which may be made of metal or non-metal material, and has high temperature resistance, wear resistance, high specific gravity and high hardness, such as an alumina ball, a zirconia ball, a cemented carbide ball, a titanium ball, a stainless steel ball, or one of the metal balls in the sixth period of the periodic table, and the like, and may continuously extrude, crush and spheroidize the titanium metal along with the rotation of the working container 400. The titanium metal coarse particles left by the traditional titanium metal powder preparation process or the titanium metal chips left by the titanium metal machining process can be further utilized.
Referring to fig. 1, it can be appreciated that in some embodiments of the present invention, the inflator 600 is connected to the first rotary support pipe 410 by a first rotary joint 610, such that the rotation of the first rotary support pipe 410 does not drive the inflator 600 to rotate, thereby preventing the pipeline from being entangled.
It can be understood that, in some embodiments of the present invention, the first rotary joint 610 is connected to the first rotary supporting pipe 410 through the sealing valve 620, and when the blanking is needed, the sealing valve 620 is opened, and the connection between the sealing valve 620 and the first rotary supporting pipe 410 can be disassembled. Specifically, first rotary joint 610 is equipped with first movable flange 611, and sealing valve 620 is equipped with second movable flange 621, and first movable flange 611 and second movable flange 621 are equipped with the hole site that corresponds in order to be fixed through bolted connection, realize through the flange that the connection is fixed, easy to assemble, and firm in connection can also realize dismantling, dismantles first rotary joint 610 during the convenient unloading. The rotary joint is generally provided with a fixed cylinder and a movable cylinder, the movable cylinder can rotate relative to the fixed cylinder, the inflation device 600 is generally an air pump, the air pump is connected with the movable cylinder through a pipeline, the first movable flange 611 is arranged on the movable cylinder, and the movable cylinder is fixedly connected with the sealing valve 620 through the first movable flange 611. The rotary joint belongs to the conventional prior art, and is not described herein.
In addition, in order to avoid discharging the kinetic energy carrier due to blanking, the outlet end of the sealing valve 620 is provided with a second filtering device, the second filtering device can be used for discharging the metal powder with the particle size up to the standard, but can prevent the kinetic energy carrier from being discharged, so that the kinetic energy carrier can be repeatedly used without being repeatedly added.
It is understood that, in some embodiments of the present invention, the vacuum device 500 is connected to the second rotary supporting tube 420 and the second rotary joint 510 and the first filtering device 511 are sequentially disposed therebetween, the first filtering device 511 can prevent the powder or particles in the working chamber from escaping, and the second rotary joint 510 can prevent the vacuum device 500 from rotating together with the second rotary supporting tube 420, which causes the pipeline winding and the structural interference. Of course, in other embodiments, a valve may be disposed between the second rotary joint 510 and the first filtering device 511 to seal and open the outlet of the second rotary supporting pipe 420.
It is understood that, in some embodiments of the present invention, the upper end of the first supporting seat 200 is hinged with a turning frame 210, and the bottom of the turning frame 210 is hinged with the first supporting seat 200 through a horizontally arranged rotating shaft. The roll-over stand 210 is provided with a limiting perforation, the first rotary supporting tube 410 is arranged through the limiting perforation and is axially fixed with the roll-over stand 210, and the axial fixation can be realized by a shaft shoulder on the first rotary supporting tube 410, a limiting structure (a nut and a clamp spring) connected to the periphery of the first rotary supporting tube 410 and the like. The upper end of the furnace body 100 can be opened and closed; after the upper end of the furnace body 100 is opened, the work container 400 can be turned over along with the roll-over stand 210. Specifically, the furnace body 100 includes a furnace body 110 and a furnace cover 120, the furnace cover 120 is mounted on the upper end of the furnace body 110 by means of hinging or sliding, and is opened and closed by means of rotation or sliding or other moving means, and structural interference caused by the turning of the working container 400 after the furnace cover 120 is opened is avoided.
It can be understood that, in some embodiments of the present invention, the driving mechanism 700 is a motor installed on the roll-over stand 210, the peripheral cover of the first rotating supporting tube 410 is provided with a driving sleeve 710, the motor is connected with the driving sleeve 710 in a driving manner to drive the first rotating supporting tube 410 and the working container 400 to rotate, specifically, the driving sleeve 710 is fixed on the peripheral of the first rotating supporting tube 410, and the driving sleeve 710 is in transmission with the output shaft of the motor through a transmission belt. Therefore, even if the work container 400 needs to be unloaded when being overturned along with the overturning frame 210, the work container 400 can still be driven to rotate by the driving mechanism 700, and the materials can smoothly slide down along the inclined surface to realize unloading.
Referring to fig. 2 and 3, the blanking device further comprises a hoisting rotation device 800, the hoisting rotation device 800 is sleeved on the second rotation support pipe 420 and is axially fixed, the hoisting rotation device 800 can rotate around the second rotation support pipe 420, and thus during blanking, the hoisting rotation device 800 can be hoisted through the hoisting device, so that the work container 400, the first rotation support pipe 410 and the second rotation support pipe 420 can rotate and incline along with the rotation of the roll-over stand, blanking is realized, and the hoisting rotation device 800 can rotate around the second rotation support pipe 420, and when the blanking of the second rotation support pipe 420 rotates, the hoisting rotation device 800 cannot be driven to rotate, and hoisting is prevented from being influenced.
It can be understood that, in some embodiments of the present invention, the hoisting rotation device 800 includes a hoisting frame 810, a hook 820 and a roller 830, the hoisting frame 810 is sleeved on the second rotation support pipe 420, the hook 820 is arranged on the periphery of the hoisting frame 810, the roller 830 is circumferentially arranged on the inner ring of the hoisting frame 810, the track sleeve 421 is fixedly arranged on the peripheral wall of the second rotation support pipe 420, the track sleeve 421 is provided with an annular track 422 adapted to the roller 830, and the roller 830 can roll along the annular track 422. The hook 820 facilitates the hook of the lifting device, the roller 830 reduces the friction force of the relative rotation between the lifting rotating device 800 and the second rotating support tube 420, the annular rail 422 not only plays a role in guiding the roller 830 in a rolling manner but also can play a role in axially fixing the lifting frame 810, and the lifting frame 810 is prevented from sliding along the second rotating support tube 420 to affect the lifting.
In order to avoid the potential safety hazard caused by the high-pressure burst of the working container 400, the part of the first rotary supporting tube 410 or the second rotary supporting tube 420 extending out of the furnace body 100 is connected with an explosion-proof device 430, and the explosion-proof device 430 can be a pressure relief valve or a sealing structure, and when the pressure is too high to exceed the stress limit of the sealing structure, the sealing structure is damaged so as to realize rapid pressure relief.
The following describes a production process using the above-described metal powder high-temperature shaping and purifying integrated production apparatus, which includes steps S1, S2, S3, S4, S5, S6, and S7.
S1: after discharging the water and harmful substances in the working container, the titanium metal raw material and the kinetic energy carrier are filled in the working container. The method comprises the following specific steps: firstly, heating a working container to 100-300 ℃ for drying, then opening a vacuumizing device for vacuumizing, introducing inert gas into an inflating device for replacing water or harmful substances in the working container, cooling to below 80 ℃ and balancing pressure, then disassembling a second rotary joint 510, and loading titanium metal raw materials and kinetic energy carriers into a second rotary supporting tube 420;
s2: the vacuum device is opened to discharge the gas impurities in the working container.
S3: and (3) starting the heating element 130, heating the furnace body to enable the temperature in the working container to be 250-800 ℃, introducing hydrogen into the working container by using an air charging device, enabling the pressure to be constant between 50-400kpa, and driving the working container to rotate by using a driving mechanism to hydrogenate the titanium metal. Specifically, the rotation of the working container can be between 5 and 200r/min, and the time is kept between 30 and 500min, so that the titanium metal powder can fully absorb more than 2 percent of hydrogen to achieve the effect of crispness.
And S4, adjusting the temperature of the working container to 300-900 ℃, introducing inert gas, keeping the pressure constant at 10-90kpa, and crushing the titanium metal under the motion impact energy of the kinetic energy carrier by the rotation of the working container. Specifically, the rotation of the working container is between 5 and 200r/min, and the time is kept between 10 and 400min, so that the crisp titanium metal powder is crushed into powder with the diameter less than 53 mu m under the motion impact energy of the spherical kinetic energy carrier.
And S5, opening the vacuumizing device to pump out gas in the working container, introducing inert gas to keep the pressure of the working container constant between 500 and 0kpa, regulating the temperature of the working container to be between 500 and 950 ℃, and keeping the working container to rotate to realize hydrogenation and dehydrogenation of the titanium metal. Specifically, the vacuumizing device is opened to replace gas impurities for one time or more, the working container rotates for 100-800min at the speed of 5-500r/min, and hydrogen adsorbed by the titanium metal powder is removed, replaced and discharged.
S6, adjusting the temperature to 200-950 ℃, keeping the pressure of the inert gas constant at 1-30kpa, and keeping the working container to rotate to realize the forming, spheroidizing and purifying of the titanium. And S6, removing acute angles and edges on the surface of the powder by utilizing the impact of the ball and the kinetic energy friction of the rotation of the working container near the soft point of the titanium metal powder, gradually forming a spherical or quasi-spherical effect, and simultaneously separating gas impurities at high temperature and finally discharging.
S7, cooling to below 100 ℃, and hermetically discharging under the inert gas pressure of 0-5 kpa. Specifically, close sealing valve 620, dismantle first movable flange 611 and first rotary joint 610, connect the ejection of compact jar on second movable flange 621, with the ejection of compact jar evacuation fill argon gas clean back, open sealing valve 620, just can incline the ejection of compact, the back of accomplishing of the ejection of compact, close sealing valve 620, unload storage tank and sealing valve 620 together and put into vacuum glove box and do treatments such as follow-up screening packing.
The technical solution of the present invention will be better understood by referring to the process examples.
Example 1
The embodiment provides a metal powder high-temperature shaping and purifying integrated production process, which comprises the following specific steps:
s1: after discharging the water and harmful substances in the working container, the titanium metal raw material and the kinetic energy carrier are filled in the working container. The method comprises the following specific steps: firstly, heating a working container to 100-300 ℃ for drying, then opening a vacuumizing device for vacuumizing, introducing inert gas into an inflating device for replacing water or harmful substances in the working container, cooling to below 80 ℃ and balancing pressure, then disassembling a second rotary joint 510, and loading titanium metal raw materials and kinetic energy carriers into a second rotary supporting tube 420;
s2: the vacuum device is opened to discharge the gas impurities in the working container.
S3: and (3) starting the heating element 130, heating the furnace body to enable the temperature in the working container to reach 250 ℃, introducing hydrogen into the working container by the air charging device, enabling the pressure to be constant at 50kpa, and driving the working container to rotate by the driving mechanism to hydrogenate the titanium metal. Specifically, the rotating speed of the working container is 5r/min, the time is kept for 30min, and the titanium metal powder can fully absorb more than 2% of hydrogen to achieve the effect of crispness.
And S4, adjusting the temperature of the working container to 300 ℃, introducing inert gas, keeping the pressure constant at 10kpa, and crushing the titanium metal under the motion impact energy of the kinetic energy carrier by the rotation of the working container. Specifically, the rotating speed of the working container is 5r/min, the time is kept for 10min, and the crisp titanium metal powder is crushed into powder with the diameter less than 53 microns under the motion impact energy of the spherical kinetic energy carrier.
And S5, opening the vacuumizing device to pump out gas in the working container, introducing inert gas to keep the pressure of the working container constant at-500 kpa, regulating the temperature of the working container to 500 ℃, and keeping the working container rotating to realize hydrogenation and dehydrogenation of the titanium metal. Specifically, the vacuumizing device is opened to replace gas impurities once or more, the rotating speed of the working container is 5r/min, the time is kept for 100min, and hydrogen elements adsorbed by the titanium metal powder are removed, replaced and discharged.
And S6, adjusting the temperature to 200 ℃, keeping the pressure of the inert gas constant at 1kpa, and keeping the working container to rotate to realize the forming, spheroidizing and purifying of the titanium metal. And S6, removing acute angles and edges on the surface of the powder by utilizing the impact of the ball and the kinetic energy friction of the rotation of the working container near the soft point of the titanium metal powder, gradually forming a spherical or quasi-spherical effect, and simultaneously separating gas impurities at high temperature and finally discharging.
S7, reducing the temperature to be below 100 ℃, and discharging under the inert gas pressure of 0 kpa.
The final results obtained were:
a crushing rate of 35% (a ratio of coarse particles crushed to powder of 53 μm or less);
the nodularity is 50 percent (the proportion of spherical or spheroidal powder formed by irregular particles with sharp-angled edges);
the oxygen content was 0.14%.
Example 2
The embodiment provides a metal powder high-temperature shaping and purifying integrated production process, which comprises the following specific steps:
s1: after discharging the water and harmful substances in the working container, the titanium metal raw material and the kinetic energy carrier are filled into the working container. The method comprises the following specific steps: firstly, heating a working container to 100-300 ℃ for drying, then opening a vacuumizing device for vacuumizing, introducing inert gas into an inflating device for replacing water or harmful substances in the working container, cooling to below 80 ℃ and balancing pressure, then disassembling a second rotary joint 510, and loading titanium metal raw materials and kinetic energy carriers into a second rotary supporting tube 420;
s2: and opening the vacuum-pumping device to discharge the gas impurities in the working container.
S3: and (3) starting the heating element 130, heating the furnace body to ensure that the temperature in the working container reaches 500 ℃, introducing hydrogen into the working container by the air charging device, keeping the pressure constant at 200kpa, and driving the working container to rotate by the driving mechanism to hydrogenate the titanium metal. Specifically, the rotating speed of the working container is 100r/min, the time is kept for 200min, and the titanium metal powder can fully absorb hydrogen by more than 2% to achieve the effect of crispness.
And S4, adjusting the temperature of the working container to 600 ℃, introducing inert gas, keeping the pressure constant at 50kpa, and crushing the titanium metal under the motion impact energy of the kinetic energy carrier by the rotation of the working container. Specifically, the rotation speed of the working container is 100r/min, the rotation time is kept for 200min, and the crisp titanium metal powder is crushed into powder with the diameter less than 53 microns under the motion impact energy of the spherical kinetic energy carrier.
And S5, opening a vacuumizing device to pump out gas in the working container, introducing inert gas to keep the pressure of the working container constant at-300 kpa, adjusting the temperature of the working container to 700 ℃, and keeping the working container rotating to realize hydrogenation and dehydrogenation of the titanium metal. Specifically, the vacuumizing device is opened to replace gas impurities once or more, the rotating speed of the working container is 300r/min, the time is kept for 100min, and hydrogen elements adsorbed by the titanium metal powder are separated, replaced and discharged.
And S6, adjusting the temperature to 600 ℃, keeping the pressure of the inert gas constant at 15kpa, and keeping the working container to rotate to realize the forming, spheroidizing and purifying of the titanium metal. And S6, removing acute angles and edges on the surface of the powder by utilizing the impact of the ball and the kinetic energy friction of the rotation of the working container near the soft point of the titanium metal powder, gradually forming a spherical or quasi-spherical effect, and simultaneously separating gas impurities at high temperature and finally discharging.
S7, reducing the temperature to be below 100 ℃, and discharging under the pressure of inert gas of 2 kpa.
The final results obtained were:
the breakage rate was 86% (the ratio of coarse particles broken into powder of 53 μm or less);
the nodularity is 35 percent (the proportion of spherical or spheroidal powder formed by irregular particles with sharp-angled edges);
the oxygen content was 0.16%.
Example 3
The embodiment provides a metal powder high-temperature shaping and purifying integrated production process, which comprises the following specific steps:
s1: after discharging the water and harmful substances in the working container, the titanium metal raw material and the kinetic energy carrier are filled in the working container. The method comprises the following specific steps: firstly, heating a working container to 100-300 ℃ for drying, then opening a vacuumizing device for vacuumizing, simultaneously introducing inert gas into an inflating device for replacing water or harmful substances in the working container, cooling to below 80 ℃ and balancing pressure, then disassembling a second rotary joint 510, and filling a titanium metal raw material and a kinetic energy carrier into a second rotary supporting tube 420;
s2: the vacuum device is opened to discharge the gas impurities in the working container.
S3: and (3) starting the heating element 130, heating the furnace body to ensure that the temperature in the working container reaches 800 ℃, introducing hydrogen into the working container by the air charging device, keeping the pressure constant at 400kpa, and driving the working container to rotate by the driving mechanism to hydrogenate the titanium metal. Specifically, the rotating speed of the working container is 200r/min, the time is kept for 500min, and the titanium metal powder can fully absorb more than 2% of hydrogen to achieve the effect of crispness.
And S4, adjusting the temperature of the working container to 900 ℃, introducing inert gas, keeping the pressure constant at 90kpa, and crushing the titanium metal under the motion impact energy of the kinetic energy carrier by the rotation of the working container. Specifically, the rotation speed of the working container is 200r/min, the time is kept for 400min, and the crisp titanium metal powder is crushed into powder with the diameter less than 53 microns under the motion impact energy of the spherical kinetic energy carrier.
And S5, opening the vacuumizing device to pump out gas in the working container, introducing inert gas to keep the pressure of the working container constant at 0kpa, adjusting the temperature of the working container to 900 ℃, and keeping the working container rotating to realize hydrogenation and dehydrogenation of the titanium metal. Specifically, the vacuumizing device is opened to replace gas impurities once or more, the rotating speed of the working container is 500r/min, the time is kept for 100min, and hydrogen elements adsorbed by the titanium metal powder are removed, replaced and exhausted.
And S6, adjusting the temperature to 950 ℃, keeping the pressure of the inert gas constant at 30kpa, and keeping the working container to rotate to realize the forming, spheroidizing and purifying of the titanium metal. And S6, removing acute angles and edges on the surface of the powder by utilizing the impact of the ball and kinetic energy friction of rotation of the working container near the soft point of the titanium metal powder, gradually forming a spherical or quasi-spherical effect, and simultaneously separating gas impurities at high temperature and finally discharging.
S7, reducing the temperature to be below 100 ℃, keeping the pressure of the inert gas at 5kpa, sealing and discharging.
The final results were:
the crushing rate was 100% (the ratio of coarse particles crushed to powder of 53 μm or less);
the nodularity is 89% (the proportion of the irregular particles with acute-angle edges forming spherical or quasi-spherical powder);
the oxygen content was 0.17%.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides a metal powder high temperature plastic purification integrative production facility which characterized in that includes:
a furnace body (100);
a first supporting seat (200) arranged at one side of the furnace body (100);
a second supporting seat (300) arranged at the other side of the furnace body (100);
the working container (400) is arranged in the furnace body (100), a first rotating supporting pipe (410) and a second rotating supporting pipe (420) which extend out of the furnace body (100) and are coaxial are respectively arranged at two ends of the working container, the first rotating supporting pipe (410) is supported on the first supporting seat (200), and the second rotating supporting pipe (420) is supported on the second supporting seat (300);
a vacuum evacuation device (500) for evacuating the working container (400);
an inflator (600) for inflating the working container (400) with a desired gas;
a drive mechanism (700) for driving the working container (400) to rotate about the axis of the first rotary support tube (410).
2. The metal powder high-temperature shaping and purifying integrated production equipment as claimed in claim 1, wherein: the inflator (600) is connected with the first rotary supporting pipe (410) through a first rotary joint (610).
3. The metal powder high-temperature shaping and purifying integrated production equipment as claimed in claim 2, wherein: the first rotary joint (610) is connected with the first rotary supporting pipe (410) through a sealing valve (620).
4. The metal powder high-temperature shaping and purifying integrated production equipment as claimed in claim 3, wherein: first rotary joint (610) is equipped with first movable flange (611), sealing valve (620) is equipped with second movable flange (621), first movable flange (611) and second movable flange (621) are equipped with corresponding hole site and are fixed with through bolted connection.
5. The metal powder high-temperature shaping and purifying integrated production equipment as claimed in claim 1, wherein: the upper end of the first supporting seat (200) is hinged with a roll-over stand (210), the roll-over stand (210) is provided with a limiting perforation, the first rotary supporting tube (410) penetrates through the limiting perforation and is axially fixed with the roll-over stand (210), and the upper end of the furnace body (100) can be opened and closed; after the upper end of the furnace body (100) is opened, the working container (400) can turn over along with the turning frame (210).
6. The metal powder high-temperature shaping and purifying integrated production equipment as claimed in claim 5, wherein: the driving mechanism (700) is a motor installed on the turnover frame (210), a transmission sleeve (710) is sleeved on the periphery of the first rotating supporting tube (410), and the motor is in transmission connection with the transmission sleeve (710) to drive the first rotating supporting tube (410) and the working container (400) to rotate.
7. The metal powder high-temperature shaping and purifying integrated production equipment as claimed in claim 6, wherein: the lifting rotating device (800) is sleeved on the second rotating supporting pipe (420) and is axially fixed, and the lifting rotating device (800) can rotate around the second rotating supporting pipe (420).
8. The metal powder high-temperature shaping and purifying integrated production equipment as claimed in claim 7, wherein: the lifting rotating device (800) comprises a lifting frame (810), a lifting hook (820) and rollers (830), wherein the second rotating supporting tube (420) is sleeved with the lifting frame (810), the lifting hook (820) is arranged on the periphery of the lifting frame (810), the rollers (830) are circumferentially arranged on the inner ring of the lifting frame (810), a track sleeve (421) is fixedly arranged on the peripheral wall of the second rotating supporting tube (420), the track sleeve (421) is provided with an annular track (422) matched with the rollers (830), and the rollers (830) can roll along the annular track (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222029702.5U CN218168718U (en) | 2022-08-02 | 2022-08-02 | Integrative production facility of metal powder high temperature plastic purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222029702.5U CN218168718U (en) | 2022-08-02 | 2022-08-02 | Integrative production facility of metal powder high temperature plastic purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218168718U true CN218168718U (en) | 2022-12-30 |
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ID=84617347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222029702.5U Active CN218168718U (en) | 2022-08-02 | 2022-08-02 | Integrative production facility of metal powder high temperature plastic purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218168718U (en) |
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2022
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