CN213794225U - Water-gas combined atomization injection device and coupling gas box using same - Google Patents
Water-gas combined atomization injection device and coupling gas box using same Download PDFInfo
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- CN213794225U CN213794225U CN202022461883.XU CN202022461883U CN213794225U CN 213794225 U CN213794225 U CN 213794225U CN 202022461883 U CN202022461883 U CN 202022461883U CN 213794225 U CN213794225 U CN 213794225U
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Abstract
The utility model discloses a spray device for water-gas combined atomization and a coupling gas box using the spray device, which relate to the technical field of soft magnetic alloy metallurgy and solve the problem that the extension direction of the outer side wall of the common existing liquid outlet nozzle is staggered with the axial direction of the gas outlet of the liquid outlet nozzle, so that cone airflow is formed after high-pressure inert gas is sprayed out of the atomizing nozzle, and the metal liquid is easy to flow back into the liquid outlet nozzle, and the technical scheme is characterized in that the spray device comprises a gas outlet nozzle and a liquid outlet nozzle, the gas outlet nozzle is provided with a gas outlet, the liquid outlet nozzle is provided with a discharge hole, the end part of the liquid outlet nozzle is provided with a connecting part, the outer peripheral side of the connecting part is provided with an inclined plane, the outer wall of the inclined plane is provided with a first flow guide groove for changing the gas outlet of the gas outlet nozzle to flow towards the first flow guide groove, thereby achieving the smooth flowing of the metal liquid through a simple structure and being convenient for reducing the probability of the blockage of the liquid outlet nozzle, the purpose of reducing the processing and manufacturing cost of the scheme is also facilitated.
Description
Technical Field
The utility model relates to a soft magnetic alloy metallurgy technical field, in particular to atomizing injection apparatus and use its coupling gas box are united to aqueous vapor.
Background
The atomization powder preparation method is an emerging process developed in the powder metallurgy industry in recent years. The method has the advantages of simple process, easy mastering of technology, difficult oxidation of materials, high automation degree and the like. The specific process is that after the alloy (metal) is melted and refined in an induction furnace, the molten metal liquid is poured into a heat-insulating crucible and enters a guide pipe and a nozzle, at the moment, the melt flow is atomized by high-pressure liquid flow (or gas flow), and the atomized metal powder is solidified and settled in an atomizing tower and finally falls into a powder collecting tank for collection and separation. The method is widely applied to the field of powder preparation of nonferrous metals such as atomized iron powder, copper powder, stainless steel powder, alloy powder and the like. The manufacturing technology of complete sets of iron powder equipment, copper powder equipment, silver powder equipment and alloy powder equipment is becoming mature day by day.
The core components of spray forming are an atomizing nozzle and a liquid outlet nozzle, but the extension direction of the outer side wall of the existing liquid outlet nozzle is staggered with the axial direction of a gas outlet of the liquid outlet nozzle, so that cone airflow can be formed after high-pressure inert gas is sprayed out from the atomizing nozzle, metal liquid can easily flow back into the liquid outlet nozzle, and the liquid outlet nozzle is blocked.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an atomizing injection apparatus is united to aqueous vapor and use its coupling gas box has this scheme and through the smooth outflow of simple structure in order to realize the molten metal, both can be convenient for reduce the probability that goes out the liquid nozzle and block up, still can be convenient for reduce the manufacturing cost's of this scheme advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an atomizing injection apparatus is united to aqueous vapor, includes the nozzle of giving vent to anger and goes out the liquid nozzle, the gas outlet has been seted up on the nozzle of giving vent to anger, it is provided with the discharge opening on the liquid nozzle to go out, the tip that the liquid nozzle is close to the discharge opening is equipped with connecting portion, connecting portion periphery side have the slope towards in the inclined plane of gas outlet position, the gas outlet towards the inclined plane sets up, offer on the outer wall on inclined plane and be used for changing the nozzle of giving vent to anger gas outlet flow direction first water conservancy diversion recess.
By adopting the technical scheme, the cone airflow is formed in the included angle gap by the high-pressure inert gas airflow, so that the molten metal can be isolated from the air, and the oxidation of the molten metal can be prevented.
The cross section of the connecting part is trapezoidal, the outer contour of the connecting part is in a round table shape, the axial direction of the cross section of the gas outlet is the same as the direction of air flow when the inert gas is sprayed out from the gas outlet, and when the inclined edge of the connecting part is parallel to the axial direction of the cross section of the gas outlet, the inert gas can be drawn close to the discharge hole of the liquid outlet nozzle as far as possible when the inert gas is sprayed out from the gas outlet, so that the isolation effect of the inert gas on the molten metal is improved.
Simultaneously, the high-pressure inert gas flow forms fan-shaped airflow under the action of the included angle gap, the fan-shaped airflow is divided into inner airflow and outer airflow, and an annular airflow cross point is also formed at the junction of the inner airflow and the outer airflow, so that molten metal is crushed at the annular airflow cross point in an oxygen-free state and is naturally shaped into an amorphous spherical shape, and then standard amorphous powder is obtained. The cone airflow is divided into inner airflow and outer airflow, and the inner airflow easily generates reverse flow vortex under the cross action, so that the broken amorphous balls are reversely impacted, the molten metal flows back into the liquid outlet nozzle, and the liquid outlet nozzle is blocked.
After the high-pressure inert gas flows through the first flow guide groove, the first flow guide groove guides the high-pressure inert gas flow so that the high-pressure inert gas flow breaks through the inner layer gas flow and is guided out, and the outflow of molten metal is accelerated by forming the action of gas flow suction; this scheme is through simple structure in order to realize the smooth outflow of metal liquid, both can be convenient for reduce the probability that goes out the liquid nozzle jam, still can be convenient for reduce the manufacturing cost of this scheme.
The utility model discloses a further setting, the inclined plane for the center pin slope of gas outlet, its inclination is 30 ~ 60 degrees.
The utility model discloses a further setting, go out in the liquid spray nozzle screw thread wears to locate the gas outlet nozzle, connecting portion contradict on the inside wall of gas outlet nozzle.
Through adopting above-mentioned technical scheme, go out the liquid nozzle and can install and dismantle from the nozzle of giving vent to anger conveniently.
The utility model discloses a further setting, the discharge opening is followed go out liquid spray nozzle's axis direction and link up go out liquid spray nozzle setting.
Through adopting above-mentioned technical scheme, the discharge opening can be used to the outflow of molten metal.
The utility model is further provided with the air outlet nozzle which is arranged in a ring shape and is provided with an air inlet at the peripheral side, the lower side of the air outlet nozzle is provided with an air outlet, and the opening of the air outlet is arranged in an inclined way and faces to the central shaft position of the air outlet nozzle; the utility model discloses a gas outlet nozzle, including gas inlet and gas outlet, gas outlet nozzle is formed with the chamber of being connected with gas inlet and gas outlet intercommunication, it is equipped with the partition portion to connect the intracavity, the partition portion will connect the chamber and divide into first air storage chamber and surge chamber, the gas inlet, connect the chamber, first air storage chamber, surge chamber and gas outlet communicate in proper order.
By adopting the technical scheme, the inert gas enters the first gas storage chamber from the gas inlet to store gas, flows into the buffer chamber after the first gas storage chamber is filled with the inert gas, and is sprayed out from the gas outlet; the first gas storage chamber can be used for increasing the gas storage amount of the inert gas at the initial stage, so that the connecting cavity is filled with the inert gas, and the pressure of the inert gas during spraying is increased; secondly, the buffer chamber is used for increasing the buffer capacity of the inert gas so as to increase the stability of the inert gas during initial spraying and improve the consistency of the inert gas during subsequent spraying, and the working stability of the inert gas spraying of the scheme can be effectively improved.
In a further arrangement of the present invention, the outlet nozzle includes an upper nozzle portion and a lower nozzle portion which are arranged by being vertically assembled, the upper nozzle portion and the lower nozzle portion are both arranged in an annular shape, and the connection cavity is formed between the upper nozzle portion and the lower nozzle portion which are fixedly assembled; the utility model discloses a buffer chamber, including last mouth portion, division portion, buffer chamber, division portion, buffer chamber, the periphery lateral wall hypomere of going up the mouth portion is around establishing and being formed with first annular depressed part, division portion circumference arranges in the upside of mouth portion down, be equipped with second annular depressed part on the lateral wall of division portion near mouth portion axis one side down, the buffer chamber is formed between first annular depressed part and second annular depressed part.
Through adopting above-mentioned technical scheme, the nozzle of giving vent to anger adopts split type package assembly, and the equipment through last mouth and lower mouth is fixed with the inside cavity structure that forms the surge chamber, and then is convenient for reduce manufacturing cost.
The utility model discloses a further setting, first water conservancy diversion recess extends and arranges round the axis of liquid outlet nozzle along the lateral wall of connecting portion.
The utility model discloses a further setting, the second water conservancy diversion recess of arranging round discharge opening week side is seted up to the bottom of connecting portion.
Through adopting above-mentioned technical scheme, high-pressure inert gas leads through second water conservancy diversion recess at the criss-cross reverse air current of central point to the liquid outlet air current in the dispersion discharge opening, and then form the air current internal suction so that the metal liquid flows out smoothly.
The utility model discloses a further setting, a coupling gas box, have including the box body and using a atomizing injection apparatus is united to aqueous vapor, the nozzle lock of giving vent to anger is fixed in on the box body.
To sum up, the utility model discloses a simple structure is in order to realize the smooth outflow of molten metal, both can be convenient for reduce the probability that goes out the liquid nozzle and block up, still can be convenient for reduce the manufacturing cost of this scheme.
Drawings
FIG. 1 is a schematic view of a liquid outlet nozzle according to an embodiment;
FIG. 2 is a schematic structural diagram of an outlet nozzle according to an embodiment;
fig. 3 is a schematic structural diagram of the second embodiment.
Reference numerals: 12. a connecting portion; 13. a first flow guide groove; 14. a second flow guide groove; 15. a discharge hole; 16. an air inlet; 17. a connecting cavity; 171. a first gas storage chamber; 172. a buffer chamber; 18. an air outlet; 19. a partition portion; 20. a truncated cone-shaped recess; 21. a first annular recess; 22. a second annular recess; 23. a box body; 24. installing a groove; 25. a second gas storage chamber; 26. an air inlet pipe; 31. a pressurizing port; 311. a first pressure increasing section; 312. a second pressure increasing section; 62. an air outlet nozzle; 621. an upper mouth part; 622. a lower mouth part; 61. and (4) a liquid outlet nozzle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
a water-gas combined atomization spraying device comprises a gas outlet nozzle 62 and a liquid outlet nozzle 61, wherein a gas outlet 18 is formed in the gas outlet nozzle 62, a discharge hole 15 is formed in the liquid outlet nozzle 61, a connecting portion 12 is arranged at the end portion, close to the discharge hole 15, of the liquid outlet nozzle 61, the outer peripheral side of the connecting portion 12 is provided with an inclined surface inclined towards the position of the gas outlet 18, the gas outlet 18 is arranged towards the inclined surface, and a first flow guide groove 13 used for changing the flow direction of the gas outlet 18 of the gas outlet nozzle 62 to the first flow guide groove 13 is formed in the outer wall of the inclined surface.
The high-pressure inert gas flow forms cone gas flow in the included angle gap, so that the molten metal can be isolated from air, and the oxidation of the molten metal is prevented. The cross section of the connecting part 12 is trapezoidal, the outer contour of the connecting part 12 is in a round table shape, the axial direction of the cross section of the gas outlet 18 is the same as the air flow direction when the inert gas is sprayed out from the gas outlet 18, and when the inclined edge of the connecting part 12 is axially parallel to the cross section of the gas outlet 18, the inert gas can be close to the discharge hole of the liquid outlet nozzle 61 as far as possible when being sprayed out from the gas outlet 18, so that the isolation effect of the inert gas on the molten metal is improved.
Simultaneously, the high-pressure inert gas flow forms fan-shaped airflow under the action of the included angle gap, the fan-shaped airflow is divided into inner airflow and outer airflow, and an annular airflow cross point is also formed at the junction of the inner airflow and the outer airflow, so that molten metal is crushed at the annular airflow cross point in an oxygen-free state and is naturally shaped into an amorphous spherical shape, and then standard amorphous powder is obtained. The cone airflow is divided into inner airflow and outer airflow, and the inner airflow easily generates reverse flow vortex under the cross action, so that the broken amorphous balls are reversely impacted, the molten metal flows back into the liquid outlet nozzle, and the liquid outlet nozzle is blocked.
After the high-pressure inert gas flows through the first flow guide groove 13, the first flow guide groove 13 guides the high-pressure inert gas flow so that the high-pressure inert gas flow breaks through the inner layer gas flow and is guided out, and the outflow of molten metal is accelerated by forming the action of gas flow suction; this scheme is through simple structure in order to realize the smooth outflow of metal liquid, both can be convenient for reduce the probability that goes out the liquid nozzle jam, still can be convenient for reduce the manufacturing cost of this scheme.
The inclined surface is inclined relative to the central axis of the air outlet 18, and the inclination angle is 30-60 degrees.
The liquid outlet nozzle 61 is threaded through the gas outlet nozzle 62, and the connecting portion 12 abuts against the inner side wall of the gas outlet nozzle 62. The liquid outlet nozzle 61 can be conveniently mounted and dismounted from the air outlet nozzle 62.
The discharge hole 15 penetrates through the liquid outlet nozzle 61 along the central axis direction of the liquid outlet nozzle 61, and the discharge hole 15 can be used for outflow of molten metal.
The air outlet nozzle 62 is annularly arranged, the outer periphery of the air outlet nozzle is provided with an air inlet 16, the lower side of the air outlet nozzle 62 is provided with an air outlet 18, and the opening of the air outlet 18 is obliquely arranged and faces to the central axis of the air outlet nozzle 62; a connection cavity 17 communicated with the air inlet 16 and the air outlet 18 is formed in the air outlet nozzle 62, a partition part 19 is arranged in the connection cavity 17, the connection cavity 17 is divided into a first air storage chamber 171 and a buffer chamber 172 by the partition part 19, and the air inlet 16, the connection cavity 17, the first air storage chamber 171, the buffer chamber 172 and the air outlet 18 are sequentially communicated.
The inert gas enters the first gas storage chamber 171 from the gas inlet 16 for gas storage, and when the first gas storage chamber 171 is filled with the inert gas, the inert gas flows into the buffer chamber 172 and is finally sprayed out from the gas outlet 18; the first gas storage chamber 171 can be used to increase the initial gas storage amount of the inert gas, so that the connecting cavity 17 is filled with the inert gas, and the pressure of the inert gas during spraying is increased; secondly, the buffer chamber 172 is used to increase the buffer amount of the inert gas, so as to increase the stability of the inert gas during the initial spraying, improve the consistency of the inert gas during the subsequent spraying, and effectively improve the working stability of the inert gas spraying of the scheme.
The air outlet nozzle 62 includes an upper nozzle portion 621 and a lower nozzle portion 622 which are vertically mounted, the upper nozzle portion 621 and the lower nozzle portion 622 are both arranged in a ring shape, and the connection cavity 17 is formed between the upper nozzle portion 621 and the lower nozzle portion 622 which are fixedly mounted; a first annular recess 21 is formed around a lower section of the outer peripheral side wall of the upper nozzle 621, the partition 19 is circumferentially disposed on an upper side of the lower nozzle 622, a second annular recess 22 is formed on a side wall of the partition 19 on a side close to a central axis of the lower nozzle 622, and the buffer chamber 172 is formed between the first annular recess 21 and the second annular recess 22.
The air outlet nozzle 62 adopts a split assembly structure, and is fixed by assembling the upper nozzle 621 and the lower nozzle 622 to form an internal cavity structure of the buffer chamber 172, thereby facilitating to reduce the production and manufacturing costs.
The first guide groove 13 extends along the outer side wall of the connection portion 12 and is arranged around the central axis of the liquid outlet nozzle 61.
The bottom of the connecting part 12 is provided with a second diversion groove 14 arranged around the periphery of the discharge hole 15. The reverse airflow of the high-pressure inert gas crossed at the central point is guided by the second diversion groove 14 to disperse the outlet airflow in the discharge hole 15, and further form the internal suction of the airflow to enable the molten metal to flow out smoothly.
Example two:
a coupling gas box, as shown in fig. 3, comprising a box body 23 and a spraying device applying a water-gas combined atomization as described in the first embodiment, wherein an air outlet nozzle 62 is locked and fixed on the box body 23.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an atomizing injection apparatus is united to aqueous vapor, includes the nozzle of giving vent to anger and goes out the liquid nozzle, its characterized in that, the gas outlet has been seted up on the nozzle of giving vent to anger, it is provided with the discharge opening on the liquid nozzle to go out, the tip that the liquid nozzle is close to the discharge opening is equipped with connecting portion, connecting portion periphery side have the slope towards in the inclined plane of gas outlet position, the gas outlet towards the inclined plane sets up, offer on the outer wall on inclined plane and be used for changing the nozzle of giving vent to anger gas outlet flow direction first water conservancy diversion recess.
2. The water-gas combined atomization spraying device as claimed in claim 1, wherein the inclined surface is inclined relative to a central axis of the air outlet, and the inclined angle is 30-60 degrees.
3. The water-gas combined atomization spraying device as claimed in claim 1, wherein the liquid outlet nozzle is threaded into the gas outlet nozzle, and the connecting portion abuts against an inner side wall of the gas outlet nozzle.
4. The water-gas combined atomization spraying device as claimed in claim 1, wherein the discharge hole penetrates through the liquid outlet nozzle along a central axis direction of the liquid outlet nozzle.
5. The water-gas combined atomization spraying device as claimed in claim 1, wherein the air outlet nozzle is annularly arranged, an air inlet is formed in the outer periphery of the air outlet nozzle, an air outlet is formed in the lower side of the air outlet nozzle, and an opening of the air outlet is obliquely arranged and faces a central axis of the air outlet nozzle; the utility model discloses a gas outlet nozzle, including gas inlet and gas outlet, gas outlet nozzle is formed with the chamber of being connected with gas inlet and gas outlet intercommunication, it is equipped with the partition portion to connect the intracavity, the partition portion will connect the chamber and divide into first air storage chamber and surge chamber, the gas inlet, connect the chamber, first air storage chamber, surge chamber and gas outlet communicate in proper order.
6. The water-air atomization spray device as claimed in claim 5, wherein the air outlet nozzle comprises an upper nozzle part and a lower nozzle part which are connected and arranged up and down, the upper nozzle part and the lower nozzle part are arranged in a ring shape, and the connecting cavity is formed between the upper nozzle part and the lower nozzle part which are connected and fixed; the utility model discloses a buffer chamber, including last mouth portion, division portion, buffer chamber, division portion, buffer chamber, the periphery lateral wall hypomere of going up the mouth portion is around establishing and being formed with first annular depressed part, division portion circumference arranges in the upside of mouth portion down, be equipped with second annular depressed part on the lateral wall of division portion near mouth portion axis one side down, the buffer chamber is formed between first annular depressed part and second annular depressed part.
7. The water-air combined atomizing spray device as set forth in claim 1, wherein said first guide groove extends along an outer side wall of said connection portion and is disposed around a central axis of said liquid outlet nozzle.
8. The water-gas combined atomization spraying device as claimed in claim 1, wherein a second flow guide groove arranged around the periphery of the discharge hole is formed in the bottom of the connecting portion.
9. A coupling gas box, which is characterized by comprising a box body and a spraying device applying water-gas combined atomization according to any one of claims 1 to 8, wherein the gas outlet nozzle is locked and fixed on the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461883.XU CN213794225U (en) | 2020-10-29 | 2020-10-29 | Water-gas combined atomization injection device and coupling gas box using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461883.XU CN213794225U (en) | 2020-10-29 | 2020-10-29 | Water-gas combined atomization injection device and coupling gas box using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213794225U true CN213794225U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022461883.XU Active CN213794225U (en) | 2020-10-29 | 2020-10-29 | Water-gas combined atomization injection device and coupling gas box using same |
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| Country | Link |
|---|---|
| CN (1) | CN213794225U (en) |
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- 2020-10-29 CN CN202022461883.XU patent/CN213794225U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.15, Shunjing Avenue, B District, Lishui and GUI Industrial Park, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Zhongyan Magnetoelectric Technology Co.,Ltd. Address before: No.15, Shunjing Avenue, B District, Lishui and GUI Industrial Park, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN ZHONGYAN AMORPHOUS TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |