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CN-122007429-A - Atomizing device for metal processing water

CN122007429ACN 122007429 ACN122007429 ACN 122007429ACN-122007429-A

Abstract

The invention relates to the technical field of water atomization and discloses a water atomization device for metal processing, which comprises a box body, wherein the box body is internally divided into an air passing cavity and a cooling cavity through a partition plate, a hopper positioned in the air passing cavity is arranged on the partition plate, a discharge hole penetrating through the partition plate is formed in the bottom of the hopper, an annular water spraying piece positioned below the discharge hole is arranged at the bottom of the partition plate, the hopper divides the air passing cavity into a first area and a second area, an air inlet communicated with the first area is formed in the partition plate, and an air passing groove which is transversely arranged and respectively communicated with the first area and the second area is formed in the inner wall of the box body. According to the invention, mist waste heat generated by cooling the metal liquid is utilized to preserve heat of the hopper, the residence time of the mist is delayed by the gas passing adjusting piece and the exhaust control piece, the heat exchange is prolonged, the motor drives the axial flow blade to actively guide the mist and stir particles in the drain pipe, the adhesion is prevented, and the multifunctional multiplexing is realized.

Inventors

  • SUN AIBAO

Assignees

  • 安庆同心力科技发展有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (9)

  1. 1. The water atomization device for metal processing is characterized by comprising a box body (1); The inside of the box body (1) is divided into an air passing cavity and a cooling cavity through a partition board (101), a hopper (102) positioned in the air passing cavity is arranged on the partition board (101), a discharge hole penetrating through the partition board (101) is formed in the bottom of the hopper (102), and an annular water spraying piece (2) positioned below the discharge hole is arranged at the bottom of the partition board (101); The hopper (102) divides the gas passing cavity into a first area and a second area, the partition board (101) is provided with a gas inlet (1011) communicated with the first area, the inner wall of the box body (1) is provided with gas passing grooves (103) which are transversely arranged and respectively communicated with the first area and the second area, the gas passing grooves (103) are internally provided with gas passing adjusting pieces (3) positioned in the first area, and the gas passing adjusting pieces (3) are used for adjusting the flow of mist entering the second area; an exhaust control member (5) communicating with the second region is connected to the top of the case (1).
  2. 2. The water atomization device for metal processing according to claim 1, wherein the air passing adjusting piece (3) comprises an air passing shell (31) and an adjusting part (32), the air passing shell (31) is installed in the air passing groove (103) and is arranged in the first area, a through air passing channel is formed in the air passing shell (31), a plurality of air inlet holes (311) which are arranged at intervals and are communicated with the air passing channel are formed in the side face of the air passing shell (31), and the adjusting part (32) is used for moving in the air passing channel in the air passing shell (31) to open the corresponding air inlet holes (311).
  3. 3. The water atomization device for metal processing according to claim 2, wherein the adjusting part (32) comprises a blocking block (321) and a cylinder (322), the blocking block (321) is inserted into an air passing channel of the air passing shell (31), the cylinder (322) is mounted on the side surface of the box body (1), and the blocking block (321) is connected with the cylinder (322) and driven by the cylinder (322) to enter and exit the air passing shell (31) to open corresponding air inlets (311).
  4. 4. A water atomizer for metal working according to claim 2, characterized in that the exhaust control (5) comprises an exhaust pipe (51), the exhaust pipe (51) being connected to the top of the tank (1) and communicating with the second area, the exhaust pipe (51) being provided with a control valve (52).
  5. 5. A water atomizer for metal working according to claim 1, characterized in that a guide (4) is installed in the tank (1) through the air inlet (1011) and guides mist into the first area.
  6. 6. A water atomizer for metal working according to claim 5, characterized in that the guide (4) comprises a motor (41), the motor (41) is mounted at the bottom of the box (1), the output end of the motor (41) is connected with a rotating rod (42) passing through the air inlet (1011), the top end of the rotating rod (42) is mounted with an axial flow blade (43) above the air inlet (1011), and the axial flow blade (43) is located in the first area.
  7. 7. The water atomization device for metal processing according to claim 6, wherein a drain pipe (6) is connected to one side of the bottom of the box body (1), an L-shaped plate (104) is fixed to the inner wall of one side of the bottom of the box body (1), the rotating rod (42) rotates to penetrate through the L-shaped plate (104), a flow passing area is formed between the bottom of the L-shaped plate (104) and the bottom in the box body (1), an agitating area is formed in the L-shaped plate (104), and an agitating rod (44) located in the agitating area is connected to the rotating rod (42).
  8. 8. A water atomizer for metal working according to claim 7, wherein the drain pipe (6) is provided with a valve (61) for controlling the flow of water to be discharged.
  9. 9. A water atomizer for metal working according to claim 1, wherein the annular water spraying member (2) comprises an annular pipe (21), the annular pipe (21) is installed at the bottom of the partition plate (101), an annular opening below the discharge hole is formed in the middle of the annular pipe (21), a plurality of nozzles (211) which are circumferentially arranged and face the central area are connected to the bottom of the annular pipe (21), a water inlet pipe (22) is connected to the periphery of the annular pipe (21), and the water inlet pipe (22) is used for connecting a water pump.

Description

Atomizing device for metal processing water Technical Field The invention relates to the technical field of water atomization, in particular to a water atomization device for metal processing. Background When metal powder is manufactured, a metal raw material is usually placed in a smelting furnace to be heated to a molten state, then the molten metal liquid is poured into a water atomization device, in the atomization process, a high-pressure water jet is used for impacting a metal liquid column at a specific angle, kinetic energy of water is transferred to the metal liquid, the surface of the liquid column is disturbed to form a wavy structure, the wavy liquid film is torn into tiny liquid drops under the combined action of shearing force and aerodynamic force of high-speed water flow, modern equipment mainly adopts a ring hole type or conical atomization nozzle, stable turbulent flow field is formed in an atomization area by optimizing flow velocity distribution and impact angle of water flow, uniformity of atomization is further improved, the crushed metal liquid drops immediately enter an atomization cylinder filled with water mist or water bath to be subjected to heat exchange with a large amount of cooling water, the liquid drops are solidified in a short time, solid metal powder is formed, the solidified metal powder and the water are mixed to form slurry, and the slurry enters a collection system along with the water flow, and the preparation process of the metal powder is completed; in the initial stage of molten metal entering the water atomization device, the molten metal is firstly guided into a hopper at the upper part of the device and flows downwards along the hopper, then, a nozzle arranged in the device sprays high-pressure water to the flowing molten metal so as to realize rapid atomization cooling, however, at the moment of contact of the high-pressure water and the high-temperature molten metal, a large amount of water mist can be quickly raised and dispersed, although the water atomization device is usually provided with a mist discharging channel so as to maintain internal air flow balance, the raised water mist can take away a large amount of heat in the process of dissipation, the hopper is used as a transition zone before the molten metal enters an atomization area, the internal melt temperature of the hopper needs to be maintained within a certain range so as to avoid the phenomenon of pre-solidification caused by excessive heat loss, thus influencing the atomization effect and the powder quality. In order to solve the problems, the application provides a water atomization device for metal processing. Disclosure of Invention The invention provides a water atomization device for metal processing, which solves the problems of high-pressure water atomization in the water atomization device, rapid upward diffusion of water mist generated by high-pressure water atomization in the water atomization device, great heat loss of molten metal in a hopper caused by taking away a large amount of heat, pre-solidification risk and serious heat energy waste in the related art. The invention provides a water atomization device for metal processing, which comprises a box body; the inside of the box body is divided into an air passing cavity and a cooling cavity by a partition plate, a hopper positioned in the air passing cavity is arranged on the partition plate, a discharge hole penetrating through the partition plate is formed in the bottom of the hopper, and an annular water spraying piece positioned below the discharge hole is arranged at the bottom of the partition plate; the hopper divides the gas passing cavity into a first area and a second area, the partition plate is provided with a gas inlet communicated with the first area, the inner wall of the box body is provided with gas passing grooves which are transversely arranged and respectively communicated with the first area and the second area, gas passing adjusting pieces positioned in the first area are arranged in the gas passing grooves, and the gas passing adjusting pieces are used for adjusting the flow of mist entering the second area; An exhaust control member is connected to the top of the housing in communication with the second region. As a further optimization scheme of the invention, the air passing adjusting piece comprises an air passing shell and an adjusting part, wherein the air passing shell is arranged in an air passing groove and is arranged in a first area, a through air passing channel is arranged in the air passing shell, a plurality of air inlet holes which are arranged at intervals and are communicated with the air passing channel are arranged on the side surface of the air passing shell, and the adjusting part is used for moving in the air passing channel in the air passing shell to open the corresponding air inlet holes. As a further optimization scheme of the invention, the adjusting part comprises a blocking b