CN111761068A - High-pressure water spraying device and method for producing copper powder by water atomization method - Google Patents

Abstract

The invention provides a high-pressure water spraying device for producing copper powder by a water atomization method, which relates to the field of copper powder production and comprises a water spraying disc, wherein the water spraying disc comprises a fixing ring, a turntable which coaxially and oppositely rotates is arranged in the middle of the fixing ring, ball grooves which are annularly arrayed with the axis of the turntable as the center are arranged on the inner side wall of the turntable, arc-shaped limiting grooves which are communicated with the ball grooves are arranged on the upper side and the lower side of each ball groove, a tangent plane is arranged in each ball groove, the outer end of each tangent plane hollow ball is communicated with a water spraying pipe, the water spraying pipe penetrates through the inner side wall of the turntable and extends to the inner side of the turntable, the upper end and the lower end of the outer side of each tangent plane hollow ball are respectively and fixedly connected with a limiting plate, in the invention, the water pressure is utilized to drive the water spraying, the water flow impact angle can be conveniently adjusted.

Description

High-pressure water spraying device and method for producing copper powder by water atomization method

Technical Field

The invention relates to the field of copper powder production, in particular to a high-pressure water spraying device and method for producing copper powder by a water atomization method.

Background

The atomization method is a common method for producing metal powder, wherein the water atomization method is the most common method in the atomization method due to good cooling effect, and the water atomization method is to disperse metal liquid into smaller liquid drops by adopting a mode of high-pressure water impact or shearing molten liquid metal and solidify the liquid drops into powdery particles under the cooling effect of water.

Patent No. CN104985187B discloses a precious metal atomizing device for powder preparation, which is installed on a platform assembly body, and the atomizing chamber is provided with: the atomization system assembly body and the control system assembly body are electrically connected with the atomization system assembly body; a metal atomization device is fixedly arranged at the head of the atomization system assembly body, a water atomization device is arranged on the inclined plane at the top of the metal atomization device, and the metal atomization device is arranged on the outer shell of the atomization system assembly body through a door buckle type fixing clamp; the implementation of the invention enhances the safety of the atomized powder production in a hot operation state, the controllability of the technological parameters in the atomization process is high, the production is more stable, the product performance is also greatly improved, and the production is more energy-saving. The device has the advantages of compact structure, attractive appearance, convenient use, convenient maintenance, and good universality and interchangeability.

However, in the process of producing copper powder by water atomization, in order to obtain copper powder with different particle sizes, the pressure of water and the impact angle of high-pressure water need to be changed correspondingly to obtain copper powder with corresponding particle sizes, the water pressure can be changed only by changing the water pumping speed, but the common method for changing the water spraying angle is to change a water spraying device, and the change is time-consuming and labor-consuming.

Disclosure of Invention

The invention aims to provide a high-pressure water spraying device and a high-pressure water spraying method for producing copper powder by a water atomization method, and the high-pressure water spraying device and the high-pressure water spraying method are used for solving the technical problems.

In order to solve the technical problems, the invention adopts the following technical scheme: a high-pressure water spraying device for producing copper powder by a water atomization method comprises a water spraying disc, wherein the water spraying disc comprises a fixing ring, a turntable which coaxially and oppositely rotates is arranged in the middle of the fixing ring, ball grooves which are in an annular array with the axis of the turntable as the center are arranged on the inner side wall of the turntable, arc-shaped limiting grooves which are communicated with the ball grooves are arranged on the upper side and the lower side of each ball groove, tangent plane hollow balls are arranged in the ball grooves, the outer ends of the tangent plane hollow balls are communicated with a water spraying pipe, the water spraying pipe penetrates through the inner side wall of the turntable and extends to the inner side of the turntable, limiting plates are fixedly connected to the upper end and the lower end of the outer side of each tangent plane hollow ball respectively, the limiting plates are positioned in the;

the water spraying pipe is connected with the water disk in a rotating mode in the vertical direction, a water line sprayed by the water spraying pipe is concentrated on the axis of the rotating disk, the water spraying pipe is connected with the pressure measuring mechanism through the transmission mechanism, the water pressure is used for driving the water spraying pipe to rotate, the purpose of changing the spraying angle is achieved, the water spraying angle can be correspondingly adjusted according to the water pressure, and the particle size of copper powder is changed.

Preferably, one end, close to the inner side of the rotary disc, of the section hollow ball is provided with a notch parallel to a half section of the ball groove, a filter screen is arranged at the notch and fixedly connected with the inner side of the limiting plate, and the filter screen is in a convex circular shape;

the notch department sets up convex circular shape filter screen, avoids the impurity in the circulating water to get into the tangent plane clean shot and lead to the spray pipe to block up.

Preferably, the limiting plate is arc-shaped, and the limiting groove is formed by fixedly connecting the outer sides of two groove plates with the distance equal to the thickness of the limiting plate;

the upper and lower both sides fixed connection arc limiting plate of tangent plane clean shot, limiting plate cooperation spacing groove make the tangent plane clean shot that is connected with the spray pipe only can rotate in vertical direction, guarantee at the rotation in-process, the axis of spray pipe is crossing with the axis of carousel all the time.

Preferably, the ball groove is formed by cutting a hollow ball with two parallel sections with the same distance to the center of the ball, a sealing ring is arranged in the ball groove, and the water spray pipe is a linear circular pipe with the axis coaxial with the hollow ball with the sections;

the ball groove sets up to the hollow sphere that both ends were dissected, makes the tangent plane clean shot can rotate at the arbitrary angle of certain extent for the ball groove, guarantees simultaneously that the incision of tangent plane clean shot and carousel are inside to be communicated.

Preferably, the transmission mechanism comprises a connecting rod rotatably connected with the tangent-plane hollow ball, and the bottom end of the connecting rod is rotatably connected with the piston rod through a pin;

the upper end and the lower end of the connecting rod are respectively and rotatably connected with the tangent plane hollow ball and the piston rod, so that the piston rod can move to drive the tangent plane hollow ball to rotate through the connecting rod.

Preferably, the bottom end of the piston rod is fixedly connected with a first piston disc, the first piston disc slides in the inflator, the piston rod penetrates through a first limiting disc fixed in the inflator and slides relative to the first limiting disc, the bottom end of the inflator is communicated with the inside of the rotary disc through a connecting cylinder, a second limiting disc is arranged at the joint of the connecting cylinder and the rotary disc, and a second piston disc is arranged in the connecting cylinder;

the air cylinder is connected with the connecting cylinder to form a closed air path, and a first piston disc and a second piston disc are arranged at two ends inside the air path, so that the first piston disc and the second piston disc can be relatively driven when being pressurized by water, and the cut-surface hollow ball is driven to rotate by changing the water pressure.

Preferably, the piston rod is provided with a plurality of jacks arranged along the axial direction of the piston rod above the first piston disc, the lower side surfaces of the jacks are inclined planes, the inclination angles of the lower side surfaces of the jacks of the piston rod are gradually decreased from top to bottom, a sliding block is inserted into the jack at the uppermost part, the sliding block and a sliding barrel communicated with the side surface of the inflator slide relatively, and a compression spring is arranged in the sliding barrel;

the piston rod is provided with an insertion hole with a gradually decreased inclined angle from the top to the bottom side, and one side of the insertion hole is provided with a sliding block connected with a compression spring, so that the piston rod needs corresponding force when moving for a certain distance, and further the tangent-plane hollow ball needs corresponding water pressure when rotating for a certain angle.

Preferably, the piston rods are fixedly connected through a circular ring, and the inner sides of the rotary discs on the outer sides of the circular rings are attached and coaxially and relatively slide;

the piston rods in the annular array are fixed through the circular rings, so that the piston rods can move synchronously, and the situation that high-pressure water flow cannot be concentrated at one point due to the fact that the tangent plane hollow spheres rotate at different angles is avoided.

Preferably, the vertical section of the fixing ring is in a U shape with an inward opening direction, the vertical section of the rotary table is in a U shape with an outward opening direction, the upper end surface and the lower end surface of the outer side of the rotary table are attached to the upper end surface and the lower end surface of the inner side of the fixing ring, a spray pipe communicated with the inner part of the rotary table is fixedly connected below the rotary table, an atomizing nozzle is arranged at the end part of the spray pipe, and the axis of the spray pipe is parallel to the tangent line of the rotary table;

the carousel rotates with solid fixed ring relatively to set up the injection spray pipe of end connection atomizer in the carousel bottom side, the water smoke that the injection spray pipe spun falls in cooling device for copper powder granule cooling rate, set up the fog injection spray pipe and be parallel with the carousel tangent line, can drive the carousel and use the carousel axis to rotate as the center under the reverse effort of spraying, make the injection spray pipe rotate around the copper liquid ring-rotation shearing, strengthen horizontal shearing force, improve the crushing degree of copper liquid.

The invention has the beneficial effects that:

1. the inner side of the turntable is provided with a rotatable water spray pipe, the water spray pipe is connected with a pressure measuring mechanism through a transmission mechanism, the water spray pipe is driven to rotate in the vertical direction by using water pressure, and the axis of the water spray pipe is always intersected with the axis of the turntable in the rotating process of the water spray pipe, so that the water flow impact angle can be conveniently adjusted when copper powder with different particle sizes is produced;

2. the pressure measuring mechanism is connected with the tangent plane hollow ball through a connecting rod, so that the tangent plane hollow ball can rotate when the water pressure changes, the piston rod is provided with an insertion hole of which the bottom surface inclination angle is gradually reduced from top to bottom, and a sliding block is arranged to be inserted into the insertion hole, so that the water pressure in each section range corresponds to a certain water flow injection angle;

3. the carousel rotates with solid fixed ring to be connected to set up the spray pipe in the carousel bottom, when can accelerate the granule cooling, the spray pipe that makes carousel inside wall connect can the annular rotation at the in-process that sprays the water under high pressure, transversely cuts copper liquid, improves the crushing degree of copper liquid, obtains more meticulous copper powder.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a horizontal cross-sectional view of a retaining ring of the present invention;

FIG. 3 is a vertical cross-sectional view of a retaining ring of the present invention;

FIG. 4 is a schematic structural diagram of a turntable according to the present invention;

FIG. 5 is a partial outside elevational view of the turntable of the present invention;

FIG. 6 is a partial inside view of the turntable of the present invention;

FIG. 7 is a partial view of the turntable of the present invention;

FIG. 8 is a half sectional view of a hollow sphere of the invention;

FIG. 9 is a cross-sectional view of a load cell mechanism of the present invention;

FIG. 10 is a half sectional view of the piston rod of the present invention;

reference numerals: 1. a water spray disc; 2. a fixing ring; 21. a water injection port; 3. a turntable; 31. a ball groove; 32. a limiting groove; 321. a groove plate; 4. a spray tube; 41. an atomizing spray head; 42. a through hole; 5. a water spray assembly; 51. cutting hollow spheres; 511. a pin; 52. a water spray pipe; 521. a limiting plate; 522. filtering with a screen; 6. a circular ring; 7. a pressure measuring mechanism; 71. an air cylinder; 711. a piston rod; 7111. a jack; 712. a first piston disc; 713. a first limiting disc; 72. a connecting cylinder; 721. a second piston disc; 722. a second limiting disc; 8. a transmission mechanism; 81. a connecting rod; 9. a slide cylinder; 91. a compression spring; 92. a slide bar.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-8, a high-pressure water spraying device for producing copper powder by a water atomization method comprises a water spraying disc 1, wherein the water spraying disc 1 comprises a fixing ring 2, a turntable 3 which coaxially and relatively rotates with the fixing ring 2 is arranged in the middle of the fixing ring 2, ball grooves 31 which are in an annular array with the axis of the turntable 3 as the center are arranged on the inner side wall of the turntable 3, arc-shaped limiting grooves 32 which are communicated with the ball grooves 31 are arranged on the upper side and the lower side of each ball groove 31, tangent plane hollow balls 51 are arranged in the ball grooves 31, the outer ends of the tangent plane hollow balls 51 are communicated with a water spraying pipe 52, the water spraying pipe 52 penetrates through the inner side wall of the turntable 3 and extends to the inner side of the turntable 3, the upper end and the lower end of the outer sides of the tangent plane hollow balls 51 are respectively and fixedly connected.

The inner side wall of the rotary disc 3 is provided with a ball groove 31, the inner side wall of the rotary disc 3 is provided with a limiting groove 32, so that a tangent plane hollow ball 51 fixedly connected with a limiting plate 521 at the outer side can rotate in the vertical direction in the ball groove 31, one end of an opening of the tangent plane hollow ball 51 is communicated with the inner side of the rotary disc 3, the other end of the opening is connected with a water spray pipe 52, the axis of the water spray pipe 52 is intersected with the axis of the rotary disc 3, when the water spray disc is used, a fixed disc in the water spray disc 1 is coaxially and fixedly connected with a port for discharging copper liquid in an atomizing cylinder, a water injection port 21 of a fixed ring 2 is connected with a water source, water flows into a position between the fixed ring 2 and the rotary disc 3, after the water pressure is continuously increased to a certain value, a pressure measuring mechanism 7 detects the water pressure, the pressure generated by, due to the mutual limiting effect between the limiting plate 521 and the slot plate 321, the spray pipe 52 only rotates in the vertical direction, the water jet path of the spray pipe 52 is always aligned with the axis of the copper liquid discharge port in the rotating process, when the water pressure is fixed, the angle of the spray pipe 52 is fixed, water in the spray pipe 52 can be sprayed at a corresponding jet angle under the action of certain pressure to act on the discharged copper liquid, the copper liquid is impacted to form powder, the water pressure can be correspondingly adjusted according to the requirement of the particle size of the produced powder, compared with the existing adjusting mode, the adjusting mode is simpler, and the water pressure is generally selected between 3MPA and 30MPA according to the requirement when the water atomization method is adopted to produce the copper powder.

Example 2

As shown in fig. 1-8, a high-pressure water spraying device for producing copper powder by a water atomization method comprises a water spraying disc 1, wherein the water spraying disc 1 comprises a fixing ring 2, a turntable 3 coaxially and relatively rotating is arranged in the middle of the fixing ring 2, ball grooves 31 in an annular array are arranged on the inner side wall of the turntable 3 by taking the axis of the turntable 3 as the center, arc-shaped limiting grooves 32 communicated with the ball grooves 31 are arranged on the upper side and the lower side of each ball groove 31, a tangent plane hollow ball 51 is arranged in each ball groove 31, the outer end of each tangent plane hollow ball 51 is communicated with a water spraying pipe 52, the water spraying pipes 52 extend to the inner side of the turntable 3 by penetrating through the inner side wall of the turntable 3, the upper end and the lower end of the outer side of each tangent plane hollow ball 51 are respectively and fixedly connected with limiting plates 521, the limiting plates 521 are arranged in the limiting grooves 32 and slide relative to the limiting grooves 32, the tangent plane, the filter screen 522 is arranged at the notch, the filter screen 522 is fixedly connected with the inner side of the limiting plate 521, the filter screen 522 is in a convex shape, the limiting plate 521 is in a circular arc shape, the limiting groove 32 is formed by fixedly connecting the outer sides of two groove plates 321 with the distance equal to the thickness of the limiting plate 521, the ball groove 31 is formed by sectioning a hollow ball with two parallel sections with the same distance to the center of the ball, a sealing ring is arranged in the ball groove 31, and the water spray pipe 52 is a linear circular pipe with the axis coaxial with the hollow ball 51 with the sections.

In the rotating process of the section hollow ball 51, because the section hollow ball 51 is positioned in the ball groove 31, the other end of the section hollow ball 51 is connected with the water spray pipe 52 extending out of the ball groove 31, when the section hollow ball 51 rotates to the outside of the water spray pipe 52 and is abutted against the edge of the port of the ball groove 31, the section hollow ball 51 rotates to the limit position, and in the range, the port of the section hollow ball 51 is always communicated with the port of the ball groove 31; circulating water is generally used for saving water resources during copper powder production by a water atomization method, namely the used water is recycled after being recycled and cooled, the caliber of the spray pipe 52 is 0.8-3mm, the port of the tangent plane hollow ball 51 is connected with the filter screen 522, the problem that the spray pipe 52 is blocked due to the fact that waste residues in the circulating water enter the spray pipe 52 is avoided, the filter screen 522 is connected with the inner side of the limiting plate 521, the strength of the filter screen 522 is enhanced, the filter screen 522 is prevented from being deformed under high-pressure water pressure, the arrangement of the sealing ring in the ball groove 31 can refer to the arrangement mode of the sealing ring in the existing ball valve, a linear circular pipe serving as the spray pipe 52 can enable water to.

Example 3

As shown in fig. 1-10, a high-pressure water spraying device for producing copper powder by water atomization method comprises a water spraying disc 1, the water spraying disc 1 comprises a fixing ring 2, a turntable 3 coaxially and relatively rotating is arranged in the middle of the fixing ring 2, ball grooves 31 in an annular array with the axis of the turntable 3 as the center are arranged on the inner side wall of the turntable 3, arc-shaped limiting grooves 32 communicated with the ball grooves 31 are arranged on the upper and lower sides of each ball groove 31, a tangent plane hollow ball 51 is arranged in each ball groove 31, the outer end of the tangent plane hollow ball 51 is communicated with a water spraying pipe 52, the water spraying pipe 52 extends to the inner side of the turntable 3 through the inner side wall of the turntable 3, the upper and lower ends of the outer side of the tangent plane hollow ball 51 are respectively and fixedly connected with limiting plates 521, the limiting plates 521 are arranged in the limiting grooves 32 and slide relatively to the limiting grooves 32, the tangent plane hollow ball 51, the bottom end of the connecting rod 81 is rotatably connected with a piston rod 711 through a pin 511, the bottom end of the piston rod 711 is fixedly connected with a first piston disc 712, the first piston disc 712 slides in the air cylinder 71, the piston rod 711 penetrates through a first limiting disc 713 fixed in the air cylinder 71 and slides relative to the first limiting disc 713, the bottom end of the air cylinder 71 is communicated with the inside of the rotary table 3 through a connecting cylinder 72, a second limiting disc 722 is arranged at the joint of the connecting cylinder 72 and the rotary table 3, a second piston disc 721 is arranged in the connecting cylinder 72, a plurality of insertion holes 7111 arranged along the axial direction of the piston rod 711 are arranged above the first piston disc 712 of the piston rod 711, the lower side surfaces of the insertion holes 7111 are inclined planes, the inclined angles of the lower side surfaces of the plurality of insertion holes 7111 of the piston rod 711 are gradually decreased from top to bottom, a sliding block is inserted in the insertion hole 7111 at the top, the piston rods 711 are fixedly connected through a ring 6, and the inner side of the turntable 3 on the outer side of the ring 6 is attached and coaxially and relatively slides.

The connecting rod 81 is used as a transmission mechanism 8 to respectively rotatably connect the spray pipe 52 and the piston rod 711 through the pin 511, the connecting cylinder 72 is communicated with the inside of the rotary table 3 through the through hole 42, when the water pressure in the rotary table 3 rises, the second piston disc 721 in the connecting cylinder 72 moves under the action of the water pressure, the connecting cylinder 72 is in sealed communication with the air cylinder 71, the space between the first piston disc 712 and the second piston disc 721 in the air cylinder 71 is compressed, the pressure rises, the first piston disc 712 moves upwards relative to the air cylinder 71, the first piston rod 711 fixedly connected with the first piston disc 712 moves upwards to drive the connecting rod 81 to move upwards, so that the connecting rod 81 rotatably connected with the top end of the piston rod 711 moves upwards, and simultaneously the spray pipe 52 rotatably connected with the connecting rod 81 rotates together with the hollow ball 51 to change the spray angle of the spray pipe 52; the linear array of the insertion holes 7111 are arranged on the piston rod 711, the bottom surface of the insertion hole 7111 is an inclined surface, the inclination angle of the inclined surface at the bottom side of the insertion hole 7111 decreases progressively from top to bottom, the sliding rod 92 connected with the compression spring 91 is inserted into the insertion hole 7111, when the piston rod 711 rises, the inclined surface of the insertion hole 7111 generates pressure on the sliding rod 92, so that the sliding rod 92 compresses the spring in the sliding cylinder 9 and moves the sliding rod 92 horizontally relative to the piston rod 711, and the force for moving the sliding rod 92 horizontally is the separation of the inclined surface of the insertion hole 7111 on the horizontal direction of the acting force of the sliding rod 92, when the inclined surface of the insertion hole 7111 becomes smaller and smaller, the component force in the horizontal direction becomes smaller and smaller, therefore, the required water pressure becomes larger and larger, and when the water pressure is insufficient to compress the compression spring 91 until the sliding rod 92 separates from the insertion hole 7111, the position of, the upper end of the sliding rod 92 is set to be a slope, so that the piston rod 711 can be reset to restore the angle of the spray pipe 52 to the initial state when negative pressure is applied to the rotary disc 3; the piston rods 711 in the annular array are fixedly connected with the circular ring 6, so that the problem that the spray points of the spray pipes 52 cannot be concentrated due to inconsistent movement of the piston rods 711 is avoided.

Example 4

As shown in fig. 1-10, a high-pressure water spraying device for producing copper powder by water atomization method comprises a water spraying disc 1, the water spraying disc 1 comprises a fixing ring 2, a turntable 3 coaxially and relatively rotating with the fixing ring 2 is arranged in the middle of the fixing ring, ball grooves 31 in an annular array are arranged on the inner side wall of the turntable 3 by taking the axis of the turntable 3 as the center, arc-shaped limiting grooves 32 communicated with the ball grooves 31 are arranged on the upper side and the lower side of each ball groove 31, a tangent plane hollow ball 51 is arranged in each ball groove 31, the outer end of each tangent plane hollow ball 51 is communicated with a water spraying pipe 52, the water spraying pipes 52 extend to the inner side of the turntable 3 by penetrating through the inner side wall of the turntable 3, the upper end and the lower end of the outer side of each tangent plane hollow ball 51 are respectively and fixedly connected with limiting plates 521, the limiting plates 521 are arranged in the limiting grooves 32 and relatively slide, the vertical section of the rotary table 3 is in a U shape with an outward opening direction, the upper end face and the lower end face of the outer side of the rotary table 3 are attached to the upper end face and the lower end face of the inner side of the fixing ring 2, the spraying pipe 4 communicated with the inner part of the rotary table 3 is fixedly connected to the lower part of the rotary table 3, the end part of the spraying pipe 4 is provided with an atomizing nozzle 41, and the axis of the spraying pipe 4 is parallel to the tangent line of the.

Set up carousel 3 to rotate the mode of being connected with solid fixed ring 2, when the inside water pressure of carousel 3 reaches a definite value, the inside water of carousel 3 is simultaneously by the blowout of spray pipe 52, atomizer 4 and 4 end connection's of atomizer 4 with the inside intercommunication of carousel 3 atomizer 41 to atomizing equipment water spray, reduce the inside temperature of atomizing equipment, copper powder cooling with higher speed, produce reverse effort to atomizer 41 when atomizer 41 spouts water spray simultaneously, and atomizer 4 is parallel with the tangent line of carousel 3, make atomizer 41 with carousel 3 fixed connection use solid fixed ring 2 axis to rotate and then make spray pipe 52 rotate when spraying water to the copper liquid, reinforcing transverse shear force.

The working principle is as follows: when the copper powder spraying device sprays water, the water spraying disc 1 needs to be coaxially and fixedly connected with a liquid discharging port of copper liquid in an atomizing device, the water injecting port 21 is communicated with a water source, high-pressure water is injected into a cavity formed by the box rotating disc 3 and the fixing ring 2, the pressure measuring mechanism 7 detects water pressure and transmits the pressure to the transmission mechanism 8, the transmission mechanism 8 is communicated with the water spraying pipe 52 in the water spraying assembly 5, the water spraying pipe 52 can rotate relative to the rotating disc 3, the purpose of changing the water spraying angle by changing the water pressure is achieved, the same device can be adopted to produce copper powder with different particle sizes, and the adjustment is convenient.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a water atomization method production high pressure water jet equipment for copper powder, includes water spray tray (1), its characterized in that: the water spray disc (1) comprises a fixed ring (2), the middle part of the fixed ring (2) is provided with a rotary disc (3) which coaxially and oppositely rotates, the inner side wall of the rotary table (3) is provided with ball grooves (31) which are in an annular array by taking the axis of the rotary table (3) as the center, arc-shaped limiting grooves (32) which are communicated with the ball grooves (31) are arranged at the upper side and the lower side of each ball groove (31), a section hollow ball (51) is arranged in the ball groove (31), the outer end of the section hollow ball (51) is communicated with a water spray pipe (52), the water spray pipe (52) penetrates through the inner side wall of the rotary disc (3) and extends to the inner side of the rotary disc (3), the upper end and the lower end of the outer side of the section hollow ball (51) are respectively and fixedly connected with a limit plate (521), the limiting plate (521) is positioned in the limiting groove (32) and slides relative to the limiting groove (32), the section hollow ball (51) is in transmission connection with the pressure measuring mechanism (7) through a transmission mechanism (8).

2. The high-pressure water spraying device for producing copper powder by the water atomization method as claimed in claim 1, wherein: one end of the tangent plane hollow sphere (51) close to the inner side of the rotary disc (3) is provided with a cut parallel to the half section of the sphere groove (31), a filter screen (522) is arranged at the cut, the filter screen (522) is fixedly connected with the inner side of the limiting plate (521), and the filter screen (522) is in a convex shape.

3. The high-pressure water spraying device for producing copper powder by the water atomization method as claimed in claim 1, wherein: the limiting plate (521) is arc-shaped, and the limiting groove (32) is formed by fixedly connecting the outer sides of two groove plates (321) with the distance equal to the thickness of the limiting plate (521).

4. The high-pressure water spraying device for producing copper powder by the water atomization method as claimed in claim 1, wherein: the ball groove (31) is formed by sectioning a hollow ball by two parallel sections with the same distance to the center of the ball, a sealing ring is arranged in the ball groove (31), and the water spray pipe (52) is a linear circular pipe with the axis coaxial with the hollow ball (51) with the sections.

5. The high-pressure water spraying device for producing copper powder by the water atomization method as claimed in claim 1, wherein: the transmission mechanism (8) comprises a connecting rod (81) rotatably connected with the section hollow ball (51), and the bottom end of the connecting rod (81) is rotatably connected with the piston rod (711) through a pin (511).

6. The high-pressure water spraying device for producing copper powder by the water atomization method as claimed in claim 5, wherein the high-pressure water spraying device comprises: piston rod (711) bottom fixedly connected with first piston dish (712), first piston dish (712) slide in inflator (71) inside, piston rod (711) run through inflator (71) internal fixation's first spacing dish (713) and with first spacing dish (713) relative slip, inflator (71) bottom is through connecting cylinder (72) and carousel (3) inside intercommunication, is located connecting cylinder (72) and carousel (3) junction are provided with spacing dish of second (722), are located and are provided with second piston dish (721) in connecting cylinder (72).

7. The high-pressure water spraying device for producing copper powder by the water atomization method as claimed in claim 5, wherein the high-pressure water spraying device comprises: piston rod (711) are located first piston dish (712) top and are provided with a plurality of jack (7111) that set up along piston rod (711) axis direction, jack (7111) downside is the inclined plane, and piston rod (711) are a plurality of the inclination of jack (7111) downside is by last to descending progressively, and it has the slider to be located jack (7111) interpolation of the top, slide cartridge (9) the relative slip of slider and inflator (71) side intercommunication, slide cartridge (9) inside is provided with compression spring (91).

8. The high-pressure water spraying device for producing copper powder by the water atomization method as claimed in claim 6, wherein: the piston rods (711) are fixedly connected through a circular ring (6), and the inner side of the turntable (3) on the outer side of the circular ring (6) is attached and coaxially and relatively slides.

9. The high-pressure water spraying device for producing copper powder by the water atomization method as claimed in claim 1, wherein: gu fixed ring (2) erect the cross-section and be the inside U-shaped of opening direction, carousel (3) erect the cross-section and be the outside U-shaped of opening direction, the upper and lower both ends face in carousel (3) outside and the laminating of the upper and lower both ends face in fixed ring (2) inboard, the injection spray pipe (4) of carousel (3) below fixedly connected with and carousel (3) inside intercommunication, injection spray pipe (4) tip is provided with atomizer (41), injection spray pipe (4) axis is parallel with carousel (3) tangent line.

10. A high-pressure water-spraying method for producing copper powder by water atomization according to any one of claims 1 to 9, characterized in that: the water spraying pipe (52) is connected with the water disk in a rotating mode in the vertical direction, a waterline sprayed by the water spraying pipe (52) is concentrated on the axis of the rotating disk (3), the water spraying pipe (52) is connected with the pressure measuring mechanism (7) through the transmission mechanism (8), and the water spraying pipe (52) is driven to rotate by water pressure.

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