CN112045196A - Manufacturing equipment for gas atomization 316L stainless steel powder - Google Patents
Manufacturing equipment for gas atomization 316L stainless steel powder Download PDFInfo
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- CN112045196A CN112045196A CN202010940319.8A CN202010940319A CN112045196A CN 112045196 A CN112045196 A CN 112045196A CN 202010940319 A CN202010940319 A CN 202010940319A CN 112045196 A CN112045196 A CN 112045196A
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- stainless steel
- heat preservation
- atomization
- atomizing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0824—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid with a specific atomising fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/088—Fluid nozzles, e.g. angle, distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0888—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0896—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid particle transport, separation: process and apparatus
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Abstract
The invention relates to the technical field of stainless steel atomization devices, and discloses manufacturing equipment for gas atomization of 316L stainless steel powder, which comprises a heat preservation furnace, an atomization mechanism and a collection mechanism, wherein a heat preservation furnace wall is arranged on the outermost side of the heat preservation furnace, a feeding pipe is arranged at the bottom of the heat preservation furnace, a molten steel crucible is tightly attached to the inner side of the heat preservation furnace wall, a heating layer is arranged on the inner side of the heat preservation furnace wall, an electric heating wire is fixedly installed in the middle of the heating layer, the heat preservation layer wraps the outer portion of the heating layer, the bottom of the feeding pipe is fixedly installed in the atomization mechanism, the atomization mechanism comprises an atomization box, a water injection port, a water storage plate, a spray head, a high-pressure gas pipe, a blanking inclined plate, a discharge port, an installation seat, a shell, a reverse taper port. The invention solves the problems that an atomizing nozzle is easy to block, the speed and the quality of liquid sprayed by the nozzle are influenced, and the uniformity of molten steel after atomization is not enough.
Description
Technical Field
The invention relates to the technical field of stainless steel atomization devices, in particular to manufacturing equipment for gas atomization of 316L stainless steel powder.
Background
The stainless steel powder is made of stainless steel alloy, the shape of the particles is regular round, the particles have good corrosion resistance and durability, the round particles can be positioned parallel to the surface of a coating film and distributed in the whole coating film to form a shielding layer with good covering power, moisture is blocked, the stainless steel powder can also be used for processing workpieces with higher precision in a sand blasting machine, the stainless steel powder adopts stainless steel as a raw material, the pigment is prepared by ball milling and sieving classification in the presence of a lubricant (stearic acid) after atomization, the wet ball milling can also be directly carried out, the stainless steel powder is mainly used for maintaining and maintaining coatings, heat-resistant and durable coatings, and the stainless steel flake pigment can generate an extremely attractive natural metallic color in decorative paint. And can be extensively used for surface finishing treatment of aluminium casting and copper and zinc casting, sand-blasting polishing of various metal surfaces, deburring and deburring of cast workpiece, sand-blasting polishing of blade surface and cast product surface, etc.
The first method is to obtain stainless steel powder by cutting and rounding a stainless steel wire, cut stainless steel round wire into balls and shot stainless steel balls, and the second method is to prepare stainless steel powder by a gas atomization method, specifically, metal is smelted in a smelting furnace of smelting equipment, smelted metal liquid is atomized in an atomization tank after passing through a nozzle of an atomization system, and the stainless steel powder is formed in the atomization tank after cooling, but the existing 316L stainless steel atomization device has the following problems: 1. the liquid steel is easy to block, and the liquid steel forms negative pressure in the tank body after being subjected to air pressure operation and is reversely sprayed to the spray disc, so that a nozzle is blocked, and the speed and the quality of liquid sprayed by the nozzle are influenced; 2. the uniformity of the atomized molten steel is not enough and is greatly influenced by external factors; both of the above problems affect the overall atomization efficiency of the atomization device and the quality of the stainless steel powder formed by atomization
Disclosure of Invention
The invention aims to provide manufacturing equipment for gas atomization of 316L stainless steel powder, which achieves the purposes of improving the liquid spraying speed and quality of a nozzle and improving the uniformity of molten steel after atomization.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a manufacturing equipment of gas atomization 316L stainless steel powder, includes heat preservation stove, atomizing mechanism and collection mechanism, the heat preservation stove outside is provided with the heat preservation oven, and the bottom of heat preservation stove is provided with the conveying pipe, molten steel crucible has been hugged closely to the inboard of heat preservation oven, and the inboard of heat preservation oven is provided with the zone of heating, the middle part fixed mounting of zone of heating has electric heating wire, and the outside parcel of zone of heating has the heat preservation, the bottom fixed mounting of conveying pipe is in atomizing mechanism's inside.
The atomizing mechanism comprises an atomizing box, a water injection port, a water storage plate, a spray head, a high-pressure air pipe, a discharging inclined plate, a discharge port, a mounting seat, a shell, a reverse taper port, an atomizing port, a rotary core and a chute, wherein a feed pipe penetrates through the top of the atomizing box, the water injection port is arranged on one side of the top of the atomizing box and is fixedly connected with the water storage plate, the water storage plate is fixedly arranged on the top of the inner part of the atomizing box through the mounting seat, the spray head is arranged on the bottom of the water storage plate, the high-pressure air pipe penetrates through the side walls of the atomizing box and the feed pipe and enters the inner part of the feed pipe, the discharging inclined plate is fixedly arranged on the bottom of the atomizing box, the discharge port is arranged in the middle of the bottom of the atomizing box, the mounting seat is fixedly connected on the bottom of the feed pipe, the shell is in threaded connection with the outer part of the, the middle part of the rotary core is rotationally connected with the bottom end of the high-pressure air pipe, and the chute is arranged on the side surface of the rotary core.
And the bottom of the atomization mechanism is fixedly provided with a collection mechanism.
Preferably, the collecting mechanism comprises a sealing cover, a feed opening, a collecting barrel, a screen frame, a filter screen, a support column, a fixing seat and a water outlet, the sealing cover is arranged at the top of the collecting barrel, the feed opening is formed in the middle of the sealing cover, the screen frame is fixedly connected to the middle of the collecting barrel, the filter screen is fixedly arranged above the screen frame, the bottom of the support column is fixedly connected with the bottom of the collecting barrel, the top of the support column is connected with the bottom surface of the filter screen through the fixing seat, and the water outlet is formed in the bottom of one side of the.
Preferably, the material used for the heat-insulating layer is aluminum silicate fiber felt and diatom.
Preferably, the water filling port is connected with a water supply pipeline, the number of the spray heads is a plurality, and the plurality of spray heads are uniformly distributed at the bottom of the water storage plate.
Preferably, a sealing ring is arranged between the shell and the mounting seat, and a round hole with a small diameter is communicated between the atomizing port and the inverted cone port.
Preferably, the bottom end of the high-pressure air pipe penetrates through the middle part of the rotary core and extends into the inverted cone opening.
Preferably, the inclination of the chutes is sixty degrees, and the chutes are uniformly distributed on the side surface of the rotary core in a circle.
Preferably, the filter screen comprises a top steel plate, a bottom steel plate and a screen mesh with a preset mesh number, wherein the screen mesh is arranged between the two steel plates, and the mesh number of the screen mesh is four hundred.
The invention provides manufacturing equipment for gas atomization of 316L stainless steel powder. The method has the following beneficial effects:
(1) according to the invention, the molten steel crucible is arranged in the heat preservation furnace, the heating layer is arranged in the heat preservation furnace wall outside the molten steel crucible, the stainless steel water in the molten steel crucible is continuously heated and preserved through the electric heating wire, and the stainless steel water in the whole heat preservation furnace is preserved through the heat preservation layers of the aluminum silicate fiber felt and the diatom table, so that the stainless steel water in the heat preservation furnace is always kept at a proper temperature in the process of atomizing the stainless steel water, and the atomization effect cannot be influenced by the reduction of the temperature of the stainless steel water.
(2) The invention atomizes the stainless steel water by arranging an atomizing nozzle made of a mounting seat and a shell at the tail end of a feeding pipe, the stainless steel water flows in from the feeding pipe, the stainless steel water flows into a chute on the outer surface of a rotating core, a circumferential force is generated by impacting the chute wall to rotate the rotating core, the stainless steel water moves forwards under the driving of the rotating core and is added with a rotary motion to enter a reverse cone opening, high-pressure gas is blown into the reverse cone opening through a high-pressure gas pipe, the flow area of the reverse cone opening is continuously reduced, the flow speed of the stainless steel water is improved under the blowing of the high-pressure gas, the dynamic pressure is increased, the static pressure is reduced, the dynamic pressure at the atomizing opening reaches the maximum value, the static pressure reaches the minimum value, the external ambient atmospheric pressure is larger than the static pressure at the atomizing opening, the air flows to the atomizing opening, is mixed and atomized with the stainless steel water flowing out at, stainless steel particles are formed.
(3) According to the invention, the water storage plate and the plurality of spray heads are arranged at the top of the atomization box, water flow for cooling is injected into the water storage plate through the water injection port, then the water flow is sprayed out from the spray heads below the water storage plate to form the water curtain in the atomization box, and the stainless steel particles sprayed out from the atomization port are cooled, so that the high-temperature soft stainless steel particles are rapidly cooled and hardened, the quality of stainless steel powder is improved, and meanwhile, the stainless steel powder flows into the collection mechanism along with the water flow through the blanking inclined plate and the discharge port.
(4) According to the invention, the collection mechanism is arranged below the atomization mechanism, atomized and formed stainless steel powder falls into the collection barrel through the discharge opening formed in the sealing cover and then stays on the filter screen, water falls into the bottom of the collection barrel through the filter screen, and the water in the collection barrel is discharged from the discharge opening under the action of high-pressure gas because the discharge opening is formed in the bottom of the collection barrel, so that the moisture in the whole collection barrel is little, the stainless steel powder is drier, and when the stainless steel powder on the filter screen is collected to a certain amount, the sealing cover is opened, the stainless steel powder in the collection barrel is directly poured out, and then the next step of processing is carried out.
(5) According to the invention, the three support columns arranged in an equilateral triangle are arranged at the bottom of the filter screen, and the middle part of the filter screen is supported by the support columns and the fixing seats at the tops of the support columns, so that the filter screen is prevented from being deformed and even falling off from the filter screen frame due to excessive collection of stainless steel powder, equipment damage is prevented, and the production progress is impressed.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a view showing the structure of a holding furnace according to the present invention;
FIG. 3 is a structural view of an atomizing mechanism of the present invention;
FIG. 4 is an enlarged view of the invention at A;
FIG. 5 is a view showing the structure of the collecting mechanism of the present invention.
In the figure: 1 heat preservation furnace, 2 atomizing mechanism, 3 collection mechanism, 4 heat preservation furnace wall, 5 molten steel crucible, 6 heat preservation layer, 7 zone of heating, 8 electric heating wire, 9 conveying pipe, 10 atomizing case, 11 water filling port, 12 water storage plate, 13 shower nozzle, 14 high-pressure gas pipe, 15 unloading swash plate, 16 discharge gates, 17 mount pad, 18 shell, 19 down-cone mouth, 20 atomizing mouth, 21 revolving core, 22 chute, 23 sealed lid, 24 discharge gates, 25 collecting vessel, 26 strainer frame, 27 filter screen, 28 support column, 29 fixing base, 30 outlet.
Detailed Description
As shown in fig. 1 to 5, the present invention provides a technical solution:
the utility model provides a gas atomization 316L stainless steel powder's manufacture equipment, includes holding furnace 1, atomizing mechanism 2 and collection mechanism 3, its characterized in that: the outermost side of the heat preservation furnace 1 is provided with a heat preservation furnace wall 4, the bottom of the heat preservation furnace 1 is provided with a feeding pipe 9, the inner side of the heat preservation furnace wall 4 is tightly attached with a molten steel crucible 5, the inner side of the heat preservation furnace wall 4 is provided with a heating layer 7, the middle part of the heating layer 7 is fixedly provided with an electric heating wire 8, the outer part of the heating layer 7 is wrapped with a heat preservation layer 6, the heat preservation layer 6 is made of aluminum silicate fiber felt and diatom, the molten steel crucible 5 is arranged inside the heat preservation furnace 1, the heating layer 7 is arranged in the heat preservation furnace wall 4 outside the molten steel crucible 5, the stainless steel water in the molten steel crucible 5 is continuously heated and preserved through the electric heating wire 8, the stainless steel water in the whole heat preservation furnace 1 is preserved through the aluminum silicate fiber felt and the heat preservation layer 6 of the diatom table, so that the, and can not influence the atomizing effect because of the reduction of stainless steel molten steel temperature, the bottom fixed mounting of conveying pipe 9 is in atomizing mechanism 2's inside.
The atomizing mechanism 2 comprises an atomizing box 10, a water injection port 11, a water storage plate 12, a spray head 13, a high-pressure air pipe 14, a blanking inclined plate 15, a discharge port 16, a mounting seat 17, a shell 18, a reversed cone port 19, an atomizing port 20, a rotary core 21 and a chute 22, wherein the feed pipe 9 penetrates through the top of the atomizing box 10, the water injection port 11 is arranged at one side of the top of the atomizing box 10, the water injection port 11 is fixedly connected with the water storage plate 12, the water injection port 11 is connected with a water supply pipeline, the number of the spray heads 13 is a plurality, the spray heads 13 are uniformly distributed at the bottom of the water storage plate 12, the water storage plate 12 is fixedly arranged at the top inside the atomizing box 10 through the mounting seat, the spray heads 13 are arranged at the bottom of the water storage plate 12, the high-pressure air pipe 14 penetrates through the side walls of the atomizing box 10 and the feed pipe 9, the bottom end of the high-pressure air pipe 14 penetrates through the middle part of the rotary core 21 and, the discharge port 16 is arranged in the middle of the bottom of the atomizing box 10, the mounting seat 17 is fixedly connected to the bottom of the feeding pipe 9, the outer shell 18 is in threaded connection with the outer portion of the mounting seat 17, a sealing ring is arranged between the outer shell 18 and the mounting seat 17, a small-diameter round hole is arranged between the atomizing port 20 and the inverted cone 19 to be communicated with each other, the inverted cone 19 is arranged in the middle of the outer shell 18, the atomizing port 20 is arranged at the bottom of the inverted cone 19, the rotary core 21 is arranged in the middle of the mounting seat 17, the middle of the rotary core 21 is rotatably connected with the bottom end of the high-pressure gas pipe 14, the inclined groove 22 is arranged on the side surface of the rotary core 21, the inclination of the inclined groove 22 is sixty degrees, the inclined grooves 22 are uniformly arranged on the periphery of the side surface of the rotary core 21, the stainless steel molten steel is atomized through the atomizing nozzle which is formed by the mounting seat 17 and the outer shell 18 and arranged at the tail, the impact groove wall generates circumferential force to make the rotary core 21 rotate, the stainless steel molten steel moves forward under the drive of the rotary core 21 and is added with rotary motion, enters the inverted cone mouth 19, high-pressure gas is blown into the inverted cone mouth 19 through the high-pressure gas pipe 14, the flow area of the inverted cone mouth 19 is continuously reduced, the flow speed of the stainless steel molten steel is improved under the blowing of the high-pressure gas, the dynamic pressure is increased, the static pressure is reduced, the dynamic pressure at the atomizing mouth 20 reaches the maximum value, the static pressure reaches the minimum value, the external ambient atmospheric pressure is greater than the static pressure at the atomizing mouth 20, air flows to the atomizing mouth 20, is mixed and atomized with the stainless steel molten steel flowing out from the atomizing mouth 20 at high speed, and is sprayed out from the bottom of the atomizing mouth 20 to form stainless steel particles, a water curtain is formed by arranging the water storage plate 12 and a plurality of spray nozzles 13 at the top of the atomizing box 10, injecting water flow for cooling into the water storage plate 12 through the water injection port 11, and then, the stainless steel particles sprayed out from the atomizing port 20 are cooled, so that the high-temperature soft stainless steel particles are rapidly cooled and hardened, the quality of the stainless steel powder is improved, and meanwhile, the stainless steel powder flows into the collecting mechanism 3 along the water flow through the blanking inclined plate 15 and the discharge port 16 under the washing of the water flow.
The bottom of the atomizing mechanism 2 is fixedly provided with a collecting mechanism 3, the collecting mechanism 3 comprises a sealing cover 23, a feed opening 24, a collecting barrel 25, a screen frame 26, a filter screen 27, a support column 28, a fixing seat 29 and a water outlet 30, the sealing cover 23 is arranged at the top of the collecting barrel 25, the feed opening 24 is arranged at the middle part of the sealing cover 23, the screen frame 26 is fixedly connected at the middle part of the collecting barrel 25, the filter screen 27 is fixedly arranged above the screen frame 26, the filter screen 27 comprises a top steel plate, a bottom steel plate and a screen with a preset mesh number clamped between the two steel plates, the mesh number of the screen is four hundred, the bottom of the support column 28 is fixedly connected with the bottom of the collecting barrel 25, the top of the support column 28 is connected with the bottom surface of the filter screen 27 through the fixing seat 29, the water outlet 30 is arranged at the bottom of one side of the collecting barrel 25, the collecting mechanism 3 is arranged below the atomizing mechanism 2, after atomized and, the water stays on the filter screen 27 and falls into the bottom of the collecting barrel 25 through the filter screen 27, and because the bottom of the collecting barrel 25 is also provided with the water outlet 30, the water in the collecting barrel 25 is discharged from the water outlet 30 under the action of high-pressure gas, so that the water in the whole collecting barrel 25 is little, the stainless steel powder is drier, when the stainless steel powder on the filter screen 27 is collected to a certain amount, the sealing cover 23 is opened, the stainless steel powder in the collecting barrel 25 is directly poured out, and then the next processing is carried out, three supporting columns 28 which are arranged in an equilateral triangle shape are arranged at the bottom of the filter screen 27, the middle part of the filter screen 27 is supported through the supporting columns 28 and the fixing seats 29 at the tops of the supporting columns, the phenomenon that the filter screen 27 is deformed and even falls from the filter screen frame 26 to cause the damage of the equipment due to excessive collection of the stainless steel powder is prevented, affecting the production schedule.
When in use, a molten steel crucible 5 is arranged in the heat preservation furnace 1, a heating layer 7 is arranged in a heat preservation furnace wall 4 outside the molten steel crucible 5, the stainless steel water in the molten steel crucible 5 is continuously heated and preserved through an electric heating wire 8, the stainless steel water in the heat preservation furnace 1 is preserved through a heat preservation layer 6, so that the stainless steel water in the heat preservation furnace 1 is always kept at a proper temperature in the process of atomizing the stainless steel water, an atomizing nozzle made of a mounting seat 17 and a shell 18 is arranged at the tail end of a feeding pipe 9, the stainless steel water is atomized, the stainless steel water flows in from the feeding pipe 9, the stainless steel water flows into a chute 22 on the outer surface of a rotary core 21, the wall of the chute impacts the chute to generate circumferential force, the rotary core 21 rotates, the stainless steel water moves forwards under the driving of the rotary core 21 and simultaneously adds rotary motion to enter a reverse taper mouth 19, high-pressure gas is blown into the inverted cone opening 19 through the high-pressure gas pipe 14, as the flow area of the inverted cone opening 19 is continuously reduced, the flow rate of the stainless steel molten steel is improved under the blowing of the high-pressure gas, the dynamic pressure is increased, the static pressure is reduced, the dynamic pressure reaching the atomizing opening 20 reaches the maximum value, the static pressure reaches the minimum value, the external ambient atmospheric pressure is greater than the static pressure value at the atomizing opening 20, air flows to the atomizing opening 20, is mixed and atomized with the stainless steel molten steel flowing out from the atomizing opening 20 at high speed, is sprayed out from the bottom of the atomizing opening 20 to form stainless steel particles, a water storage plate 12 and a plurality of spray heads 13 are arranged at the top of the atomizing box 10, water flow for cooling is injected into the water storage plate 12 through the water injection opening 11, then is sprayed out through the spray heads 13 below the water storage plate 12 to form a water curtain in the atomizing box 10, the stainless steel particles sprayed out from the atomizing opening 20 are, the quality of the stainless steel powder is improved, meanwhile, under the washing of the water flow, the stainless steel powder flows into the collecting mechanism 3 through the blanking inclined plate 15 and the discharge hole 16 along the water flow, the atomized and molded stainless steel powder falls into the collecting barrel 25 through the discharge hole 24 formed in the sealing cover 23 and then stays on the filter screen 27, the water falls into the bottom of the collecting barrel 25 through the filter screen 27, and the water outlet 30 is further formed in the bottom of the collecting barrel 25, so that the water in the collecting barrel 25 is discharged from the water outlet 30 under the action of high-pressure gas, therefore, the moisture in the whole collecting barrel 25 is little, the stainless steel powder is drier, when the stainless steel powder on the filter screen 27 is collected to a certain amount, the sealing cover 23 is opened, the stainless steel powder in the collecting barrel 25 is directly poured out, the next step of processing is carried out, three supporting columns 28 which are arranged in a triangle are arranged at the bottom of the filter screen 27, the middle part of filter screen 27 is supported through support column 28 and fixing base 29 at the top of the support column, and therefore the filter screen 27 is prevented from deforming due to excessive collection of stainless steel powder and even dropping from filter screen frame 26, equipment damage is caused, and production progress is prevented from being influenced.
In conclusion, the invention can obtain the stainless steel water atomization device by arranging the molten steel crucible 5 in the holding furnace 1, arranging the heating layer 7 in the holding furnace wall 4 outside the molten steel crucible 5, continuously heating and holding the stainless steel water in the molten steel crucible 5 through the electric heating wire 8, holding the stainless steel water in the entire holding furnace 1 through the heat-holding layer 6 of the aluminum silicate fiber felt and the diatom table, so that the stainless steel water in the holding furnace 1 is always kept at a proper temperature in the process of atomizing the stainless steel water without influencing the atomization effect due to the reduction of the temperature of the stainless steel water, atomizing the stainless steel water through the atomization nozzle which is arranged at the tail end of the feeding pipe 9 and is made of the mounting seat 17 and the outer shell 18, the stainless steel water flows in from the feeding pipe 9, the stainless steel water flows in the chute 22 on the outer surface of the rotary core 21, and impacts the chute wall to generate circumferential force, the rotary core 21 is rotated, the stainless steel water moves forwards under the driving of the rotary core 21 and is added with rotary motion, enters the inverted cone opening 19, high-pressure gas is blown into the inverted cone opening 19 through the high-pressure gas pipe 14, the flow area of the inverted cone opening 19 is continuously reduced, the flow speed of the stainless steel water is improved under the blowing of the high-pressure gas, the dynamic pressure is increased, the static pressure is reduced, the dynamic pressure at the atomizing opening 20 reaches the maximum value, the static pressure reaches the minimum value, the external ambient atmospheric pressure is greater than the static pressure at the atomizing opening 20, air flows to the atomizing opening 20, the air and the stainless steel water flowing out from the atomizing opening 20 at high speed are mixed and atomized and are sprayed out from the bottom of the atomizing opening 20 to form stainless steel particles, a water storage plate 12 and a plurality of spray heads 13 are arranged at the top of the atomizing box 10, the water flow for cooling is injected into the water storage plate 12 through the water injection port 11 and is sprayed out through the spray heads 13 below, the stainless steel particles sprayed from the atomizing port 20 are cooled, so that the high-temperature soft stainless steel particles are rapidly cooled and hardened, the quality of the stainless steel powder is improved, meanwhile, the stainless steel powder flows into the collecting mechanism 3 through the blanking inclined plate 15 and the discharge port 16 along with the water flow under the washing of the water flow, the collecting mechanism 3 is arranged below the atomizing mechanism 2, the atomized and formed stainless steel powder falls into the collecting barrel 25 through the blanking port 24 arranged on the sealing cover 23 and then stays on the filter screen 27, the water falls into the bottom of the collecting barrel 25 through the filter screen 27, and the water outlet 30 is arranged at the bottom of the collecting barrel 25, so that the water in the collecting barrel 25 is discharged from the water outlet 30 under the action of high-pressure gas, the moisture in the whole collecting barrel 25 is little, the stainless steel powder is dry, and when the stainless steel powder on the filter screen 27 is collected to a certain amount, then open sealed lid 23, directly pour the stainless steel powder in the collecting vessel 25, carry out processing on next step again can, set up the support column 28 that three become equilateral triangle dress in the bottom of filter screen 27, support the middle part of filter screen 27 through the fixing base 29 at support column 28 and support column top, prevent because the stainless steel powder is collected too much, lead to filter screen 27 to produce and warp, drop even from filter screen frame 26, cause the damage of equipment, influence the progress of production.
Claims (8)
1. The utility model provides a gas atomization 316L stainless steel powder's manufacture equipment, includes heat preservation stove (1), atomizing mechanism (2) and collection mechanism (3), its characterized in that: the outermost side of the heat preservation furnace (1) is provided with a heat preservation furnace wall (4), the bottom of the heat preservation furnace (1) is provided with a feeding pipe (9), the inner side of the heat preservation furnace wall (4) is tightly attached with a molten steel crucible (5), the inner side of the heat preservation furnace wall (4) is provided with a heating layer (7), the middle part of the heating layer (7) is fixedly provided with an electric heating wire (8), the outer part of the heating layer (7) is wrapped with a heat preservation layer (6), and the bottom of the feeding pipe (9) is fixedly arranged inside the atomizing mechanism (2);
the atomizing mechanism (2) comprises an atomizing box (10), a water injection port (11), a water storage plate (12), a spray head (13), a high-pressure air pipe (14), a blanking inclined plate (15), a discharge port (16), a mounting seat (17), a shell (18), an inverted cone opening (19), an atomizing port (20), a rotary core (21) and a chute (22), wherein a feeding pipe (9) penetrates through the top of the atomizing box (10), the water injection port (11) is arranged on one side of the top of the atomizing box (10), the water injection port (11) is fixedly connected with the water storage plate (12), the water storage plate (12) is fixedly arranged on the top inside the atomizing box (10) through the mounting seat, the spray head (13) is arranged at the bottom of the water storage plate (12), the high-pressure air pipe (14) penetrates through the side walls of the atomizing box (10) and the feeding pipe (9) and enters the inside of the feeding pipe (9), the blanking inclined plate (15) is fixedly arranged at the bottom of, the discharge port (16) is arranged in the middle of the bottom of the atomization box (10), the mounting seat (17) is fixedly connected to the bottom of the feeding pipe (9), the shell (18) is in threaded connection with the outer portion of the mounting seat (17), the inverted cone opening (19) is formed in the middle of the shell (18), the atomization opening (20) is formed in the bottom of the inverted cone opening (19), the rotary core (21) is arranged in the middle of the mounting seat (17), the middle of the rotary core (21) is rotatably connected with the bottom end of the high-pressure air pipe (14), and the chute (22) is formed in the side face of the rotary core (21);
the bottom of the atomization mechanism (2) is fixedly provided with a collection mechanism (3).
2. The apparatus for manufacturing an aerosolized 316L stainless steel powder of claim 1, wherein: collecting mechanism (3) are including sealed lid (23), feed opening (24), collecting vessel (25), strainer holder (26), filter screen (27), support column (28), fixing base (29) and outlet (30), sealed lid (23) set up at the top of collecting vessel (25), and the middle part at sealed lid (23) is seted up in feed opening (24), and strainer holder (26) fixed connection is in the middle part of collecting vessel (25), and filter screen (27) fixed mounting is in strainer holder (26) top, the bottom of support column (28) and the bottom fixed connection of collecting vessel (25), and the bottom surface that fixing base (29) and filter screen (27) were passed through to the top of support column (28) is connected, and outlet (30) set up the bottom in collecting vessel (25) one side.
3. The apparatus for manufacturing an aerosolized 316L stainless steel powder of claim 1, wherein: the heat-insulating layer (6) is made of aluminum silicate fiber felt and diatom.
4. The apparatus for manufacturing an aerosolized 316L stainless steel powder of claim 1, wherein: the water filling port (11) is connected with a water supply pipeline, the number of the spray heads (13) is a plurality, and the spray heads (13) are uniformly distributed at the bottom of the water storage plate (12).
5. The apparatus for manufacturing an aerosolized 316L stainless steel powder of claim 1, wherein: a sealing ring is arranged between the shell (18) and the mounting seat (17), and a round hole with a small diameter is communicated between the atomization port (20) and the inverted cone port (19).
6. The apparatus for manufacturing an aerosolized 316L stainless steel powder of claim 1, wherein: the bottom end of the high-pressure air pipe (14) penetrates through the middle part of the rotary core (21) and extends into the inverted cone opening (19).
7. The apparatus for manufacturing an aerosolized 316L stainless steel powder of claim 1, wherein: the inclination of the inclined grooves (22) is sixty degrees, and the inclined grooves (22) are uniformly distributed on the side surface of the rotary core (21) in a circle.
8. The apparatus for manufacturing an aerosolized 316L stainless steel powder of claim 2, wherein: the filter screen (27) comprises a top steel plate, a bottom steel plate and a screen mesh with a preset mesh number, wherein the screen mesh is arranged between the two steel plates, and the mesh number of the screen mesh is four hundred.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010940319.8A CN112045196A (en) | 2020-09-09 | 2020-09-09 | Manufacturing equipment for gas atomization 316L stainless steel powder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010940319.8A CN112045196A (en) | 2020-09-09 | 2020-09-09 | Manufacturing equipment for gas atomization 316L stainless steel powder |
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| CN112045196A true CN112045196A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010940319.8A Pending CN112045196A (en) | 2020-09-09 | 2020-09-09 | Manufacturing equipment for gas atomization 316L stainless steel powder |
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Citations (6)
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|---|---|---|---|---|
| DE19828775A1 (en) * | 1998-06-27 | 1999-12-30 | Gierse Martin | Fluid atomizer for eg oil in oil burners |
| CN102039228A (en) * | 2009-10-16 | 2011-05-04 | 韩铁夫 | Rotary annular-seam spray nozzle and spraying device thereof |
| CN202606323U (en) * | 2012-05-09 | 2012-12-19 | 湖州师范学院 | Atomizing nozzle |
| US20140203105A1 (en) * | 2013-01-18 | 2014-07-24 | Plastico Corporation | Underground liftable low-flow sprinkler |
| CN108714697A (en) * | 2018-07-02 | 2018-10-30 | 南京理工大学 | A kind of aerosolization nozzle being used to prepare metal powder |
| CN208528091U (en) * | 2018-05-08 | 2019-02-22 | 中山市恒翔不锈钢丸有限公司 | It is easy to collect the atomising device of stainless steel pellet |
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2020
- 2020-09-09 CN CN202010940319.8A patent/CN112045196A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19828775A1 (en) * | 1998-06-27 | 1999-12-30 | Gierse Martin | Fluid atomizer for eg oil in oil burners |
| CN102039228A (en) * | 2009-10-16 | 2011-05-04 | 韩铁夫 | Rotary annular-seam spray nozzle and spraying device thereof |
| CN202606323U (en) * | 2012-05-09 | 2012-12-19 | 湖州师范学院 | Atomizing nozzle |
| US20140203105A1 (en) * | 2013-01-18 | 2014-07-24 | Plastico Corporation | Underground liftable low-flow sprinkler |
| CN208528091U (en) * | 2018-05-08 | 2019-02-22 | 中山市恒翔不锈钢丸有限公司 | It is easy to collect the atomising device of stainless steel pellet |
| CN108714697A (en) * | 2018-07-02 | 2018-10-30 | 南京理工大学 | A kind of aerosolization nozzle being used to prepare metal powder |
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Application publication date: 20201208 |