CN210359260U

CN210359260U - Sub-nanometer atomization system with rotary gas circular cutting device

Info

Publication number: CN210359260U
Application number: CN201921054006.1U
Authority: CN
Inventors: 李代水; 李代权; 向文改
Original assignee: Hunan Jinhao New Material Technology Co ltd
Current assignee: Hunan Jinhao New Material Technology Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-21
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a sub-nanometer atomization system with gaseous circular cutting device of rotation type, this system includes: a holding furnace, a molten metal chamber, a sub-nanometer atomizer and a gas ring cutting device. The molten metal chamber is arranged in the heat preservation furnace, the sub-nanometer atomizer is arranged outside the heat preservation furnace, and the molten metal chamber is connected with the sub-nanometer atomizer through a first conduit. The sub-nanometer atomizer is further provided with a nozzle, and a gas circular cutting device is arranged outside the nozzle. The system adopts a high-speed inert gas jet flow mode to perform gas cutting excision on scales discharged from a nozzle of the sub-nanometer atomizer, can accurately position scale positions, is good in clearing effect and high in efficiency, does not need to pass through a high-temperature metal melt pool, is high in safety, cannot pollute the metal melt pool, and ensures product quality. Moreover, the system is simple to operate, can be automatically operated, is easy to popularize, greatly improves the production efficiency and improves the product quality.

Description

Sub-nanometer atomization system with rotary gas circular cutting device

Technical Field

The utility model relates to a sub-nanometer atomizing system is used in metal powder production, concretely relates to sub-nanometer atomizing system with gaseous circular cutting device of rotation type belongs to metal powder metallurgy technical field.

Background

In the existing metal powder or alloy powder produced by using a high-speed gas atomization method, scale formation for bonding metal and impurities along the flowing direction of airflow and molten metal (alloy liquid) can be slowly formed on the end surface of an outlet of a spraying end of a sub-nanometer atomizer in the production process, and is commonly called as mussakokia limeri. Along with the extension of production time, the length of the scale deposit along the airflow direction can be increased, the length is 0-5mm, the thickness is 0-3mm, and the scale deposit growth speed is higher and the scale deposit naturally falls off more frequently due to the change of the atomization cone angle of the sub-nanometer atomizer and the common atomizer. The length and the thickness of scale are uneven, the distance and the included angle between air flow and aluminum liquid are directly influenced, the air flow atomization performance is changed, and the atomization effect is influenced. The beard is long, the yield is increased uncontrollably, the fine powder rate is lowered, and the production efficiency is directly reduced. In order to ensure the production effect, the beard needs to be removed.

The method adopted in the early stage is to stop spraying production, remove the atomizer by an operator and clean the beard by hand tools such as a combination file, and the like, so that the mode causes poor production continuity and low production efficiency.

The existing method for removing scale is to use

The round steel is welded with a length of 90 included angles

Special tool for round steel, commonly called as a universal needle, and operators can make the universal needle

Bending the top end by 1-10mm according to the position corresponding to scaling of the sub-nanometer atomizer, enabling the through needle to penetrate through molten metal from the butt joint of the heat preservation furnace and the sub-nanometer atomizer, enabling the through needle to enter a molten metal channel of the atomizer from the tail part of a lining nozzle of the atomizer, and forcibly pulling the through needle back after an outlet of the lining nozzle is 1-10mm, so that the bent knot impacts the knotScale is removed, thereby achieving the purpose of removing the scale.

The existing manual scale cleaning method has the defects that 1, the scale cannot be accurately positioned and cleaned. 2. The iron through needle is repeatedly used, the through needle can be partially melted in high-temperature molten metal (alloy liquid), the iron content in the product is increased, and the product quality is influenced. 3. The through needle directly passes through the molten metal (alloy liquid), so that the molten metal (alloy liquid) is easy to splash to cause scald safety accidents of operators. 4. The long-term use of the needle leads to large abrasion of the sub-nanometer atomizer, which causes the increase of production cost. 5. When the operator uses the through needle, the needle is close to the holding furnace, so that the environment temperature is high, and danger is easy to occur. The utility model discloses an utilize high-pressure inert gas to pass through the utility model discloses the jet-propelled passageway that the circumcision device set up along the circumferencial direction carries out accurate cutting to the scale deposit at the high-speed gas of its export outflow and reaches the purpose of cleaing away the scale deposit.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an atomizing system with gaseous circular cutting device of rotation type, this system adopt the high-speed jet stream's of inert gas mode to carry out the gas cutting excision to the scale deposit of atomizer nozzle spout play, and this system can pinpoint the scale deposit position, clears away effectually moreover, and is efficient, need not pass through high temperature metal melt pond simultaneously, and the security is high, can not cause the pollution to the metal melt pond moreover, guarantees product quality. Moreover, the system is simple to operate, can be automatically operated, is easy to popularize, greatly improves the production efficiency and improves the product quality.

In order to achieve the above object, the utility model adopts the following specific technical scheme:

an atomizing system with a rotary gas ring-cutting device, characterized in that: the system comprises: a holding furnace, a molten metal chamber, a sub-nanometer atomizer and a gas ring cutting device. The molten metal chamber is arranged in the heat preservation furnace, the sub-nanometer atomizer is arranged outside the heat preservation furnace, and a discharge port of the molten metal chamber is connected with a feed port of the sub-nanometer atomizer through a first conduit. The atomizer is further provided with a nozzle, and a gas circular cutting device is arranged outside the nozzle.

Preferably, the gas ring cutting device comprises an outer ring seat and an inner ring seat. A rotating bearing is arranged between the outer ring seat and the inner ring seat. The inner ring seat is fixedly arranged outside the nozzle, and the outer ring seat is connected with the inner ring seat through a rotating bearing. The outer ring seat rotates around the central axis of the inner ring seat. And an air channel is arranged between the outer ring seat and the inner ring seat. And the gas holes of the gas channel are provided with a collector plate.

Preferably, the gas ring-cutting device further comprises a gas inlet device. The inner ring seat is sleeved outside the nozzle, and the outer ring seat is sleeved outside the inner ring seat. The air inlet device is arranged on the outer ring seat. An air channel is arranged between the outer ring seat and the inner ring seat, an air outlet of the air inlet device is connected with the air channel, and the tail end of the air channel is arranged on the outer side of the nozzle. And/or

Preferably, a second conduit is further disposed in the sub-nanometer atomizer. One end of the second conduit is communicated with the first conduit, and the other end of the second conduit is communicated with the nozzle.

Preferably, the air inlet device comprises an air inlet joint and an air delivery joint. An air inlet channel is arranged in the air inlet pipe joint, and an air conveying channel is arranged in the air conveying joint. The air inlet channel is connected with one end of the air conveying channel, and the other end of the air conveying channel is connected with the air channel.

Preferably, the gas channel comprises: the air guide channel is arranged in the outer ring seat, and the air cavity and the air injection channel are arranged between the outer ring seat and the inner ring seat. The air inlet channel, the air delivery channel, the air guide channel, the air cavity and the air injection channel are communicated in sequence. The ends of the gas injection channels are arranged outside the nozzles.

Preferably, the gas injection channel is an annular opening gas injection channel surrounding the whole nozzle in a circle. The air injection direction of the air injection channel outlet is perpendicular to the material injection direction of the nozzle.

Preferably, the side wall of the gas channel close to the inner ring seat is in the same plane with the outer edge of the nozzle spout.

Preferably, the air cavity is an annular air cavity which surrounds the inner annular seat for one circle and is communicated with the air guide channel and the air injection channel all the time.

Preferably, the gas channel comprises: the air guide channel is arranged in the outer ring seat, and the air injection channel is arranged between the outer ring seat and the inner ring seat. The air inlet channel, the air delivery channel, the air guide channel and the air injection channel are communicated in sequence. The gas channel is of a tubular structure, and the gas channel is of a tubular structure. The air injection direction of the air injection channel outlet is vertical to the material injection direction of the nozzle.

Preferably, a rotary bearing is arranged between the outer ring seat and the inner ring seat. The inner ring seat is fixedly arranged outside the nozzle, and the outer ring seat is connected with the inner ring seat through a rotating bearing. The outer ring seat rotates around the central axis of the inner ring seat, and the air inlet device, the air channel and the outer ring seat synchronously rotate around the outlet of the nozzle. Preferably, the air outlet of the air duct is hole-shaped (for example, circular hole-shaped, semicircular hole-shaped, or flat hole-shaped). And/or

Preferably, the collecting plate is arranged on the side wall of one side of the air jet opening of the air jet channel close to the outer ring seat, the collecting plate is of an annular inverted triangular cone structure arranged at the air jet opening of the whole annular air jet channel, and the included angle between the inclined side surface of the collecting plate facing the air jet channel and the side surface of the outer ring seat facing the air jet channel is 0-90 degrees, preferably 10-80 degrees, and more preferably 20-60 degrees.

Preferably, the system comprises n air inlet means. n said air inlet means are uniformly arranged on the outer surface of the outer ring seat, n is 1-10, preferably 2-8, more preferably 3-6. And/or

Preferably, the system further comprises an independent gas source. The independent gas source is arranged on the gas circular cutting device.

Preferably, the independent air source is arranged on the air inlet device.

Preferably, each air inlet device is provided with an independent air source independently.

Preferably, the caliber of the air outlet of the air channel is 1-10mm, preferably 2-8mm, and more preferably 3-5 mm. And/or

Preferably, the gas in the independent gas source is an inert gas, preferably nitrogen, argon or xenon.

Preferably, the inert gas in the separate gas source has a pressure in the range of from 1 to 50MPa, preferably from 5 to 30MPa, more preferably from 8 to 15 MPa.

Preferably, the system further comprises a control system; the control system comprises a power supply module, a detection module and an LED display and operation module. The control system is arranged outside the outer ring seat and is connected with the gas ring cutting device through a line. And/or

Preferably, the control system further comprises an automatic mode, wherein the automatic mode is set by the LED display and operation module and controls the power supply module to start the gas ring-cutting device to work once every certain time interval. And/or

Preferably, the system further comprises a driving device, and the driving device drives the outer ring seat to rotate on the inner ring seat through the rotating bearing.

The utility model discloses in, the mode of cutting off the scale deposit through adopting high velocity of flow gas to replace to lead to the needle and remove the scale deposit, in operation process, when having avoided the people for the operation, operating personnel need be close to high temperature metal solution pond, will lead to the needle and directly pass the metal liquid from holding furnace and atomizer butt joint department, reachs the nozzle department of nozzle and descale behind atomizer liner mouth tail entering atomizer metal liquid passageway again, in order to reach the scale removal effect, the in-process of descale needs operating personnel to be close to high temperature molten liquid pond operation in the longer time and leads to the needle, the environment and the operating strength of searing are all great, and probably cause the operating personnel to scald the incident because of the entering of moisture content (wasing remaining moisture or sweat etc. behind the through needle) to splash. Further, the phenomenon that the iron needle is repeatedly used for many times, the needle can be partially melted in high-temperature molten metal (alloy liquid), the iron content in the product is increased, and the product quality is influenced can be avoided. When the through needle is used for descaling, the scaling position cannot be accurately positioned, so that the purpose of completely removing the scales cannot be achieved, the melt channel of the sub-nanometer atomizer is easily abraded in the process of removing the scales by repeatedly using the through needle, particularly the nozzle of the sub-nanometer atomizer is damaged, the service life of the atomizer nozzle is shortened, and the production cost is increased. When the needle is used for scaling, the system needs to be stopped for operation, so that the production efficiency is reduced. And the utility model discloses use the mode that high velocity of flow gas cuts off the scale deposit, only need bump the outside of mouth at sub-nanometer atomizer and set up the circular cutting device, be about to the position that the scale deposit easily generated in the installation in the cutting gas outlet, the high-speed air current of rethread cuts, only need short several seconds, can reach very good scale removal effect under the circumstances of not shutting down again, improved production efficiency, avoided the commodity circulation damage to atomizing equipment and arranged the problem of high-risk environment in with personnel.

The utility model discloses in, be provided with the collector plate through the jet orifice department at the jet channel, its purpose will flow into the air current of jet channel and further compress at the jet channel through the collector plate and concentrate, improve gaseous impact force to in better clear away stubborn scale deposit. The inclined plane of the collecting plate on one side close to the gas injection channel and the outer ring seat form a certain included angle (the included angle is 0-90 degrees, preferably 10-80 degrees, and more preferably 20-60 degrees), so that the gas collecting is facilitated, the resistance is reduced, and the gas flow collecting effect is improved.

In the utility model, the sub-nanometer atomizer is provided with the nozzle, the gas circular cutting device is arranged outside the nozzle, and after scale is generated on the nozzle outside the nozzle, the scale is cut off in a gas cutting mode by high-speed airflow only by starting the gas circular cutting device; the method for finishing the scaling removal by the gas circular cutting device comprises the following steps: the gas ring cutting device comprises a gas inlet device, an outer ring seat and an inner ring seat. The inner ring seat is sleeved outside the nozzle, and the outer ring seat is sleeved outside the inner ring seat. The air inlet device is arranged on the outer ring seat. And a gas channel is arranged between the outer ring seat and the inner ring seat, a gas outlet of the gas inlet device is connected with the gas channel, the tail end of the gas channel is arranged at the outer side of the nozzle, high-speed gas flow enters the gas channel from the gas inlet device, and then is sprayed out from the tail end of the gas channel to cut off scales generated on the nozzle.

The utility model discloses in, gaseous ring cutting device includes air inlet unit, outer ring seat and inner ring seat. The inner ring seat is sleeved outside the nozzle, and the outer ring seat is sleeved outside the inner ring seat. The air inlet device is arranged on the outer ring seat. The split type installation mode of the circular cutting device is adopted, so that the gas outlet of cutting gas can be very accurately aligned to the position where the nozzle of the atomizer nozzle is easy to generate scale, only the inner ring seat is needed to be installed outside the nozzle, then the position of the gas port of the gas channel is adjusted to be aligned to the position where the nozzle is easy to generate scale, and then the outer ring seat and the gas inlet device are sleeved (a gas cavity and a gas channel are arranged between the outer ring seat and the inner ring seat, and the gas cavity and the gas channel are formed by jointly combining the outer ring seat and the inner ring seat, so that as long as the position of the gas port of the gas channel is aligned to the position where the nozzle is easy to generate scale when the inner ring seat is installed, the gas port of the gas channel formed after the circular cutting and transposition combination is necessarily aligned to the position where the nozzle of the atomizer nozzle is easy to generate scale, meanwhile, the arrangement of the gas cavity is increased, and the, then the gas output by the gas channel cuts the scale).

The utility model discloses in, air inlet unit includes air inlet pipe joint and gas transmission joint, be provided with the intake duct in the air inlet pipe joint, be provided with gas transmission way in the gas transmission joint. Air supply connection and air delivery connect on air inlet unit, can accomplish the switching process of air supply and the installation flow of circular cutting device fast (need not install whole circular cutting transposition from new split), independently set up air supply connection moreover and be in order to satisfy and dock with the gas-supply pipe of different specifications to can accomplish fast that the air supply when adopting different specification trachea switches. Further can also avoid air inlet joint to damage and need to change whole circular cutting device, cause the waste (the utility model discloses only need change when air inlet joint appears damaging can corresponding joint, practice thrift the cost and improve production efficiency).

The utility model discloses in, the air vent is the annular opening air vent of encircleing whole nozzle a week. And the air injection direction of the air injection channel is vertical to the material injection direction of the nozzle. When the gas channel is an annular opening gas channel surrounding the outer edge of the whole nozzle for a circle, all scales on the outer part of the whole nozzle can be removed only by carrying out gas jet cutting once, and in order to achieve the best cutting effect, the plane of the gas injection direction of the gas channel is perpendicular to the plane of the spraying direction of the nozzle. The side wall of the air channel close to one side of the inner ring seat and the outer edge of the nozzle orifice are in the same plane, so that scaling can be completely removed to the maximum extent (scaling on the nozzle can be removed in 360-degree dead angles), and the product quality and the production efficiency are improved.

The utility model discloses in, still can include a plurality of air inlet unit. The plurality of air inlet devices are arranged on the outer surface of the outer ring seat at equal intervals. The arrangement of the plurality of air inlet devices avoids the influence on the descaling effect caused by insufficient entering of cutting gas (resulting in insufficient air flow and air pressure) due to blockage of the air inlet or the air inlet joint when a single air inlet device is arranged; secondly, when only one air inlet device is arranged, the problem that the descaling effect is influenced by the inconsistent air flow of each air nozzle of the annular air nozzle, especially the air nozzle of the air nozzle far away from the air inlet device, is avoided.

The utility model discloses in, set up the air supply and be independent air supply, independent air supply can be miniature compressed gas jar, each air inlet unit disposes an independent air supply of lug connection with it promptly, has reduced tracheal setting, and because small, the quality is lighter relatively, and it is all comparatively convenient safe and remove, when the outer ring seat is rotatable simultaneously, has avoided the restriction of the rotation freedom when having the trachea (independent fixed setting of independent air supply is on air inlet unit, can rotate along with the outer ring seat together).

In the utility model, the setting mode that the outer ring seat can rotate around the inner ring seat is arranged, namely, a rotating bearing is arranged between the outer ring seat and the inner ring seat, the outer ring seat can rotate around the inner ring seat through a transmission bearing under the driving of a driving device, so that only a small number of air inlet devices (for example, 1 to 2) are needed to be arranged, and the annular air channel air nozzle is changed into a hole-shaped air nozzle (the cross section of the air nozzle is circular hole-shaped, semicircular hole-shaped or flat hole-shaped for example), because the hole-shaped air nozzle is adopted, the cutting force of the air flow sprayed by the hole-shaped air nozzle is far larger than that of the air flow sprayed by the annular air nozzle under the condition of the same air pressure, and the air flow reaches the air pressure value required by the hole-shaped air nozzle with the same cutting force and is lower, the gas consumption is reduced, when the hole-shaped sprayed air flow is subjected to scaling removal, the outer ring seat rotates for, meanwhile, the hole-shaped air jet is synchronously rotated for a circle, so that all scales surrounding the outside of the nozzle of the atomizer can be removed, the removing effect is better and faster, and the use of gas is reduced (as the metal powder is active, particularly iron, zinc, aluminum and the like, and the atomized metal powder has higher density, the dust explosion safety accident is easy to occur, and the gas used for cutting scales must be inert gas).

The utility model discloses in, in order to further improve scale deposit excision efficiency and production efficiency, the system still can set up control system, be provided with power module, detection module and LED among the control system and show and operating module. The scale is detected through a detection module (for example, the thickness of the scale is detected by utilizing infrared sensing), the detected data is transmitted to an LED display screen in real time, and then whether the scale needs to be cut off is judged according to the data (if the scale needs to be cut off, an instruction is sent by an operation module to instruct a power supply to start a ring cutting device to remove the scale, if the scale does not need to be removed, a processing reaction is not carried out, and the monitoring is continued until the scale needs to be removed); further, in the automatic mode, the time from the absence of scale to the growth of scale to the thickness required for removal during the production process is set to t as summarized by the experience of the production_(s)Then, at this time, the instruction can be set to the automation module through the LED display and operation module, and the set time interval is t_(s)After the time, the automatic module controls the power module to start the primary circular cutting device to perform scaling cutting operation, so that the purpose of scientifically, accurately and quickly removing scales is achieved, and the high efficiency of production and the high quality of products are ensured.

Compared with the prior art, the utility model discloses a beneficial technological effect as follows:

1. the utility model discloses can pinpoint and clear up the scale, the scale deposit is clear away effectually, improves product production quality.

2. Inert gas is used for cutting and scaling, so that the defect that the iron impurity content of the product is increased due to the use of an iron tool and the damage to atomizing equipment are avoided, and the labor intensity of personnel is reduced.

3. The utility model discloses the ring cutting device is direct to cut the scale deposit at atomizer spraying outlet end, need not pass through high temperature molten metal department, has consequently avoided arousing that molten metal (alloy liquid) splashes and causes operating personnel to scald the incident, has improved the security of production.

4. The utility model discloses system operation is simple, can carry out automation mechanized operation, easily promotes, can be very big improvement production efficiency, improvement product quality.

Drawings

FIG. 1 is a schematic diagram of a structure for removing scale by a needle in the prior art;

FIG. 2 is a partial schematic view of a prior art needle fouling removal system;

FIG. 3 is a schematic diagram of an atomization system having a rotary gas ring cutter of the present application;

FIG. 4 is a schematic structural view of a rotary gas ring cutting apparatus according to the present application;

FIG. 5 is a map of a setting profile for the present application having a plurality of air induction devices;

FIG. 6 is a schematic view of a gas channel structure of a rotary gas ring cutting device according to the present application;

FIG. 7 is a side sectional view of the gas channel of the rotary gas ring cutter of the present application;

FIG. 8 is a layout diagram of a rotary gas ring cutting apparatus with independent gas sources according to the present application;

FIG. 9 is a structural illustration of the air channel of the present application with differently shaped air ports (a is a semicircular hole, b is a circular hole, and c is a flat hole);

FIG. 10 is a control flow diagram of the control system of the present application;

fig. 11 is a control flow chart in the automatic mode of the control system of the present application.

Reference numerals: 1: a holding furnace; 2: a molten metal chamber; 3: a circular cutting device; 4: a sub-nanometer atomizer; 5: a nozzle; 6: an air inlet pipe joint; 601: an air inlet channel; 7: a gas delivery joint; 701: a gas delivery passage; 8: an outer ring seat; 801: an air guide passage; 802: a rotating bearing; 9: an inner ring seat; 901: an air cavity; 902: an air jet channel; 903: a collector plate; 10: an air intake device; 11: a gas source; 12: scaling; 13: needle insertion; 14: a needle passing elbow; 15: a drive device; l1: a first conduit; l2: a second conduit; l3: a gas channel.

Detailed Description

The technical solution of the present invention is illustrated below, and the claimed invention includes but is not limited to the following embodiments.

A sub-nanometer atomization system with a rotary gas ring cutting device is characterized in that: the system comprises: a holding furnace 1, a molten metal chamber 2, an atomizer 4 and a gas ring cutting device 3. Molten metal cavity 2 sets up in holding furnace 1, holding furnace 1 outside is provided with sub-nanometer atomizer 4, molten metal cavity 2's discharge gate is connected with sub-nanometer atomizer 4's feed inlet through first pipe L1. The sub-nanometer atomizer 4 is further provided with a nozzle 5, and a gas circular cutting device 3 is arranged outside the nozzle 5.

Preferably, the gas ring cutting device 3 comprises an outer ring seat 8 and an inner ring seat 9. A rotating bearing 802 is arranged between the outer ring seat 8 and the inner ring seat 9. The inner ring seat 9 is fixedly arranged outside the nozzle 5, and the outer ring seat 8 is connected with the inner ring seat 9 through a rotating bearing 802. The outer race seat 8 rotates about the central axis of the inner race seat 9. An air channel 902 is arranged between the outer ring seat 8 and the inner ring seat 9. The gas orifices of the gas channel 902 are provided with a current collecting plate 903.

Preferably, the gas ring-cutting device 3 further comprises a gas inlet device 10. The inner ring seat 9 is sleeved outside the nozzle 5, and the outer ring seat 8 is sleeved outside the inner ring seat 9. The air inlet device 10 is arranged on the outer ring seat 8. A gas channel L3 is arranged between the outer ring seat 8 and the inner ring seat 9, the gas outlet of the gas inlet device 10 is connected with a gas channel L3, and the tail end of the gas channel L3 is arranged outside the nozzle 5. And/or

Preferably, a second conduit L2 is further provided in the atomizer 4. One end of the second conduit L2 communicates with the first conduit L1, and the other end thereof communicates with the nozzle 5.

Preferably, the air intake device 10 comprises an air intake pipe joint 6 and an air delivery joint 7. An air inlet channel 601 is arranged in the air inlet pipe joint 6, and an air conveying channel 701 is arranged in the air conveying joint 7. The inlet channel 601 is connected to one end of the gas transmission channel 701, and the other end of the gas transmission channel 701 is connected to the gas channel L3.

Preferably, the gas passage L3 includes: an air guide channel 801 arranged in the outer ring seat 8, an air cavity 901 and an air injection channel 902 arranged between the outer ring seat 8 and the inner ring seat 9. The air inlet channel 601, the air delivery channel 701, the air guide channel 801, the air cavity 901 and the air injection channel 902 are communicated in sequence. The ends of the air channels 902 are disposed outside the nozzle 5.

Preferably, the gas channel 902 is an annular open gas channel that encircles the entire circumference of the nozzle 5. The air injection direction of the outlet of the air injection passage 902 is perpendicular to the material injection direction of the nozzle 5.

Preferably, the side wall of the gas channel 902 close to the inner ring seat 9 is in the same plane with the outer edge of the nozzle orifice of the nozzle 5.

Preferably, the air cavity 901 is an annular air cavity surrounding the inner annular seat 9 for a circle, and is always communicated with the air guide channel 801 and the air injection channel 902.

Preferably, the gas passage L3 includes: an air guide channel 801 arranged in the outer ring seat 8 and an air injection channel 902 arranged between the outer ring seat 8 and the inner ring seat 9. The air inlet channel 601, the air delivery channel 701, the air guide channel 801 and the air injection channel 902 are communicated in sequence. The gas channel 902 is a tubular structure, and the gas channel L3 is a tubular structure. The air injection direction of the outlet of the air injection passage 902 is perpendicular to the material injection direction of the nozzle 5.

Preferably, a rotation bearing 802 is provided between the outer ring holder 8 and the inner ring holder 9. The inner ring seat 9 is fixedly arranged outside the nozzle 5, and the outer ring seat 8 is connected with the inner ring seat 9 through a rotating bearing 802. The outer ring seat 8 rotates about the central axis of the inner ring seat 9, and the gas inlet device 10, the gas passage L3 and the outer ring seat 8 rotate synchronously about the outlet of the nozzle 5. Preferably, the air outlet of the air channel 902 is a hole (for example, a circular hole, a semicircular hole, or a flat hole). And/or

Preferably, the flow collecting plate 903 is arranged on the side wall of the side of the air outlet of the air channel 902 close to the outer ring seat 8, the flow collecting plate 903 is in an annular inverted triangular cone structure arranged at the air outlet of the whole annular air channel 902, and the inclined side of the flow collecting plate 903 facing the air channel 902 and the side of the outer ring seat 8 facing the air channel 902 form an included angle of 0-90 degrees, preferably 10-80 degrees, and more preferably 20-60 degrees.

Preferably, the system comprises n air inlet devices 10. n said air inlet means 10 are uniformly arranged on the outer surface of the outer ring seat 8, n is 1-10, preferably 2-8, more preferably 3-6. And/or

Preferably, the system further comprises an independent gas source 11. The independent gas source 11 is arranged on the gas circular cutting device 3.

Preferably, the independent air source 11 is arranged on the air inlet device 10.

Preferably, an independent air source 11 is independently arranged on each air inlet device 10.

Preferably, the orifice diameter of the gas channel 902 is 1 to 10mm, preferably 2 to 8mm, and more preferably 3 to 5 mm. And/or

Preferably, the gas in the independent gas source 11 is an inert gas, preferably nitrogen, argon or xenon.

Preferably, the inert gas in the independent gas source 11 has a pressure of 1 to 50MPa, preferably 5 to 30MPa, more preferably 8 to 20 MPa.

Preferably, the system further comprises a control system; the control system comprises a power supply module, a detection module and an LED display and operation module. The control system is arranged outside the outer ring seat 8 and is connected with the gas ring cutting device 3 through a line. And/or

Preferably, the control system further comprises an automatic mode, wherein the automatic mode is set by the LED display and operation module and controls the power supply module to start the gas ring-cutting device 3 to work once every certain time interval. And/or

Preferably, the system further comprises a driving device 15, wherein the driving device 15 drives the outer ring base 8 to rotate on the inner ring base 9 through a rotating bearing 802.

Example 1

As shown in fig. 3, a sub-nanometer atomization system with a gas ring-cutting device is characterized in that: the system comprises: the device comprises a holding furnace 1, a molten metal chamber 2, a sub-nanometer atomizer 4 and a gas ring cutting device 3. Molten metal cavity 2 sets up in holding furnace 1, holding furnace 1 outside is provided with sub-nanometer atomizer 4, molten metal cavity 2's discharge gate is connected with sub-nanometer atomizer 4's feed inlet through first pipe L1. The sub-nanometer atomizer 4 is also provided with a nozzle 5, and a gas circular cutting device 3 is arranged outside the nozzle 5;

the gas ring cutting device 3 comprises an outer ring seat 8 and an inner ring seat 9. A rotating bearing 802 is arranged between the outer ring seat 8 and the inner ring seat 9. The inner ring seat 9 is fixedly arranged outside the nozzle 5, and the outer ring seat 8 is connected with the inner ring seat 9 through a rotating bearing 802. The outer race seat 8 rotates about the central axis of the inner race seat 9. An air channel 902 is arranged between the outer ring seat 8 and the inner ring seat 9. The gas orifices of the gas channel 902 are provided with a current collecting plate 903.

Example 2

Example 1 is repeated as shown in 4-6, except that the gas ring-cutting device 3 further comprises a gas inlet means 10. The inner ring seat 9 is sleeved outside the nozzle 5, and the outer ring seat 8 is sleeved outside the inner ring seat 9. The air inlet device 10 is arranged on the outer ring seat 8. A gas channel L3 is arranged between the outer ring seat 8 and the inner ring seat 9, the gas outlet of the gas inlet device 10 is connected with a gas channel L3, and the tail end of the gas channel L3 is arranged outside the nozzle 5.

Example 3

Embodiment 2 is repeated as shown in fig. 4-6, except that the air inlet means 10 comprises an air inlet connection 6 and an air delivery connection 7. An air inlet channel 601 is arranged in the air inlet pipe joint 6, and an air conveying channel 701 is arranged in the air conveying joint 7. The inlet channel 601 is connected to one end of the gas transmission channel 701, and the other end of the gas transmission channel 701 is connected to the gas channel L3.

Example 4

Example 3 was repeated, and as shown in fig. 6, the gas passage L3 included: an air guide channel 801 arranged in the outer ring seat 8, an air cavity 901 and an air injection channel 902 arranged between the outer ring seat 8 and the inner ring seat 9. The air inlet channel 601, the air delivery channel 701, the air guide channel 801, the air cavity 901 and the air injection channel 902 are communicated in sequence. The ends of the air channels 902 are disposed outside the nozzle 5.

Example 5

Example 4 was repeated, as shown in fig. 7, the gas channel 902 being an annular open gas channel surrounding the entire circumference of the nozzle 5. The air injection direction of the outlet of the air injection passage 902 is perpendicular to the material injection direction of the nozzle 5.

The side wall of the gas channel 902 close to the inner ring seat 9 is in the same plane with the outer edge of the nozzle 5.

Example 6

Embodiment 5 is repeated, and as shown in fig. 6-7, the air chamber 901 is an annular air chamber surrounding the inner annular seat 9 for a circle and is always communicated with the air guide channel 801 and the air injection channel 902.

Example 7

Example 3 was repeated, as shown in fig. 6, except that the gas passage L3 included: an air guide channel 801 arranged in the outer ring seat 8 and an air injection channel 902 arranged between the outer ring seat 8 and the inner ring seat 9. The air inlet channel 601, the air delivery channel 701, the air guide channel 801 and the air injection channel 902 are communicated in sequence. The gas channel 902 is a tubular structure, and the gas channel L3 is a tubular structure. The air injection direction of the outlet of the air injection passage 902 is perpendicular to the material injection direction of the nozzle 5.

Example 8

Example 7 is repeated, as shown in fig. 6-7, with a rotational bearing 802 disposed between the outer race seat 8 and the inner race seat 9. The inner ring seat 9 is fixedly arranged outside the nozzle 5, and the outer ring seat 8 is connected with the inner ring seat 9 through a rotating bearing 802. The outer ring seat 8 rotates about the central axis of the inner ring seat 9, and the gas inlet device 10, the gas passage L3 and the outer ring seat 8 rotate synchronously about the outlet of the nozzle 5.

Example 9

Example 8 was repeated, as shown in c in FIG. 9, except that the gas ejection ports of the gas ejection channels 902 were flat-hole shaped.

Example 10

Example 9 is repeated except that the flow collecting plate 903 is arranged on the side wall of the side of the air jet opening of the air jet passage 902 close to the outer ring seat 8, the flow collecting plate 903 is in an annular inverted triangular cone structure arranged at the air jet opening of the whole annular air jet passage 902, and the included angle between the inclined side of the flow collecting plate 903 facing the air jet passage 902 and the side of the outer ring seat facing the air jet passage 902 is 60 degrees.

Example 11

Example 10 is repeated, as shown in fig. 5, except that the system comprises 8 air inlet means 10. The 8 air inlet devices 10 are uniformly arranged on the outer surface of the outer ring seat 8.

Example 12

Example 11 is repeated as shown in fig. 8, except that the system further comprises an independent gas source 11. An independent air source 11 is independently arranged on each air inlet device 10.

Example 13

Example 12 was repeated except that the orifice diameter of the gas channel 902 was 8 mm. The gas in the independent gas source 11 is helium. The gas pressure in the independent gas source 11 is 15 MPa.

Example 14

Embodiment 13 is repeated, as shown in fig. 6, the system further comprises a driving device 15, and the driving device 15 drives the outer ring base 8 to rotate on the inner ring base 9 through the rotating bearing 802.

Example 15

Example 14 is repeated, as shown in fig. 10, except that the system further comprises a control system; the control system comprises a power supply module, a detection module and an LED display and operation module. The control system is arranged outside the outer ring seat 8 and is connected with the gas ring cutting device 3 through a line.

Example 16

Example 15 is repeated, as shown in fig. 11, except that the control system also includes an automatic mode. The automatic mode is set through the LED display and operation module and controls the power supply module to start the circular cutting device 3 to work once every certain time interval.

Claims

1. A sub-nanometer atomization system with a rotary gas ring cutting device is characterized in that: the system comprises: a holding furnace (1), a molten metal chamber (2), an atomizer (4) and a gas ring cutting device (3); the molten metal chamber (2) is arranged in the heat preservation furnace (1), a sub-nanometer atomizer (4) is arranged outside the heat preservation furnace (1), a discharge hole of the molten metal chamber (2) is connected with a feed inlet of the atomizer (4) through a first conduit (L1), a nozzle (5) is further arranged on the atomizer (4), and a gas circular cutting device (3) is arranged outside the nozzle (5);

the gas ring cutting device (3) comprises an outer ring seat (8) and an inner ring seat (9); a rotating bearing (802) is arranged between the outer ring seat (8) and the inner ring seat (9); the inner ring seat (9) is fixedly arranged outside the nozzle (5), and the outer ring seat (8) is connected with the inner ring seat (9) through a rotating bearing (802); the outer ring seat (8) rotates around the central axis of the inner ring seat (9); an air channel (902) is arranged between the outer ring seat (8) and the inner ring seat (9); and the gas holes of the gas channel (902) are provided with a current collecting plate (903).

2. The system of claim 1, wherein: the gas ring cutting device (3) also comprises a gas inlet device (10); the inner ring seat (9) is sleeved outside the nozzle (5), and the outer ring seat (8) is sleeved outside the inner ring seat (9); the air inlet device (10) is arranged on the outer ring seat (8); a gas channel (L3) is arranged between the outer ring seat (8) and the inner ring seat (9), a gas outlet of the gas inlet device (10) is connected with the gas channel (L3), and the tail end of the gas channel (L3) is arranged on the outer side of the nozzle (5); and/or

A second conduit (L2) is also arranged in the sub-nanometer atomizer (4); one end of the second conduit (L2) communicates with the first conduit (L1), and the other end thereof communicates with the nozzle (5).

3. The system of claim 2, wherein: the air inlet device (10) comprises an air inlet pipe joint (6) and an air transmission joint (7); an air inlet channel (601) is arranged in the air inlet pipe joint (6), and an air conveying channel (701) is arranged in the air conveying joint (7); the air inlet channel (601) is connected with one end of the air delivery channel (701), and the other end of the air delivery channel (701) is connected with the air channel (L3).

4. The system of claim 3, wherein: the gas passage (L3) includes: the gas guide channel (801) is arranged in the outer ring seat (8), and the gas cavity (901) and the gas injection channel (902) are arranged between the outer ring seat (8) and the inner ring seat (9); the air inlet channel (601), the air conveying channel (701), the air guide channel (801), the air cavity (901) and the air injection channel (902) are communicated in sequence; the end of the air channel (902) is arranged outside the nozzle (5).

5. The system of claim 4, wherein: the gas channel (902) is an annular opening gas channel surrounding the whole nozzle (5) for one circle; the air injection direction of the outlet of the air injection channel (902) is vertical to the material injection direction of the nozzle (5).

6. The system of claim 5, wherein: the side wall of the air channel (902) close to one side of the inner ring seat (9) is in the same plane with the outer edge of the nozzle orifice of the nozzle (5).

7. The system of claim 6, wherein: the air cavity (901) is an annular air cavity which surrounds the inner ring seat (9) for one circle and is communicated with the air guide channel (801) and the air injection channel (902) all the time.

8. The system of claim 3, wherein: the gas passage (L3) includes: the gas guide channel (801) is arranged in the outer ring seat (8), and the gas injection channel (902) is arranged between the outer ring seat (8) and the inner ring seat (9); the air inlet channel (601), the air delivery channel (701), the air guide channel (801) and the air injection channel (902) are communicated in sequence; the gas channel (902) is of a tubular structure, and the gas channel (L3) is of a tubular structure; the air injection direction of the outlet of the air injection channel (902) is vertical to the material injection direction of the nozzle (5).

9. The system of claim 8, wherein: the side wall of the air channel (902) close to one side of the inner ring seat (9) is in the same plane with the outer edge of the nozzle orifice of the nozzle (5).

10. The system according to claim 8 or 9, characterized in that: a rotating bearing (802) is arranged between the outer ring seat (8) and the inner ring seat (9); the inner ring seat (9) is fixedly arranged outside the nozzle (5), and the outer ring seat (8) is connected with the inner ring seat (9) through a rotating bearing (802); the outer ring seat (8) rotates around the central axis of the inner ring seat (9), and the air inlet device (10), the air channel (L3) and the outer ring seat (8) synchronously rotate around the outlet of the nozzle (5); and/or

Collector plate (903) sets up on the lateral wall of the one side that the jet orifice of jet orifice (902) is close to outer ring seat (8), collector plate (903) is the annular inverted triangle cone structure of setting up the jet orifice department at whole annular jet orifice (903), and the contained angle that the slope side of collector plate (903) orientation jet orifice (902) and outer ring seat (8) orientation jet orifice (902) are 0-90.

11. The system of claim 10, wherein: the air jet port of the air jet channel (902) is in a hole shape, and the hole shape is a circular hole shape, a semicircular hole shape or a flat hole shape; and/or

The included angle between the inclined side surface of the flow collecting plate (903) facing the air injection channel (902) and the side surface of the outer ring seat (8) facing the air injection channel (902) is 10-80 degrees.

12. The system of claim 11, wherein: the included angle between the inclined side surface of the flow collecting plate (903) facing the air injection channel (902) and the side surface of the outer ring seat (8) facing the air injection channel (902) is 20-60 degrees.

13. The system according to any one of claims 3-9, wherein: the system comprises n air inlet devices (10); the n air inlet devices (10) are uniformly arranged on the outer surface of the outer ring seat (8), and n is 1-10; and/or

The system further comprises an independent gas source (11); the independent gas source (11) is arranged on the gas circular cutting device (3).

14. The system of claim 13, wherein: n is 2 to 8; and/or

The independent air source (11) is arranged on the air inlet device (10).

15. The system of claim 14, wherein: n is 3 to 6; and/or

Each air inlet device (10) is independently provided with an independent air source (11).

16. The system of claim 13, wherein: the caliber of an air outlet of the air channel (902) is 1-10 mm; and/or

The gas in the independent gas source (11) is inert gas, and the inert gas is nitrogen, argon or xenon; the pressure of the inert gas in the independent gas source (11) is 1-50 MPa.

17. The system according to claim 14 or 15, wherein: the caliber of an air outlet of the air channel (902) is 1-10 mm; and/or

18. The system of claim 16, wherein: the caliber of an air outlet of the air channel (902) is 2-8 mm; and/or

The pressure of the inert gas in the independent gas source (11) is 5-30 MPa.

19. The system of claim 17, wherein: the caliber of an air outlet of the air channel (902) is 2-8 mm; and/or

The pressure of the inert gas in the independent gas source (11) is 5-30 MPa.

20. The system according to claim 18 or 19, wherein: the caliber of an air outlet of the air channel (902) is 3-5 mm; and/or

The pressure of the inert gas in the independent gas source (11) is 8-20 MPa.

21. The system of any one of claims 1-9, 11-12, 14-16, 18-19, wherein: the system also includes a control system; the control system comprises a power supply module, a detection module and an LED display and operation module; the control system is arranged outside the outer ring seat (8) and is connected with the gas ring cutting device (3) through a line; and/or

The control system also comprises an automatic mode, wherein the automatic mode is set through the LED display and operation module and controls the power supply module to start the primary gas ring-cutting device (3) to work after a certain time interval; and/or

The system further comprises a driving device (15), wherein the driving device (15) drives the outer ring seat (8) to rotate on the inner ring seat (9) through the rotating bearing (802).

22. The system of claim 10, wherein: the system also includes a control system; the control system comprises a power supply module, a detection module and an LED display and operation module; the control system is arranged outside the outer ring seat (8) and is connected with the gas ring cutting device (3) through a line; and/or