A metallurgical powder precipitation device

Abstract

The utility model relates to the field of metallurgy, and in particular to a metallurgical powder precipitation device. It includes a molten metal conveying pipe, a granulation bin, a material receiving box and a grinder; the pipe body of the molten metal conveying pipe rises from the top of the granulation bin to the granulation bin, a water spray head is arranged in the granulation bin, the water spray path of the water spray head intersects with the molten metal dripping path of the molten metal conveying pipe, a metal particle discharge port is arranged in the middle of the bottom of the granulation bin, a metal particle output port is arranged below the material receiving box, and a grinder is arranged on one side below the metal particle output port. The device firstly separates and solidifies the molten metal through multiple high-pressure nozzles, the higher the water pressure, the smaller the particles, and the metal particles are cooled at the same time, and then the valve is opened, water and metal particles are sent to the material receiving box, and water flows out from the screen of the material receiving box, and then the metal particles are sent to the grinder for grinding; this production method reduces energy consumption and speeds up work efficiency.

Description

Technical Field

[0001] The utility model relates to the field of metallurgy, in particular to a metallurgical powder precipitation device. Background Art

[0002] Powder metallurgy is a process technology that produces metal powder or uses metal powder (or a mixture of metal powder and non-metal powder) as raw material, and then forms and sinters it to produce metal materials, composite materials and various types of products. Powder metallurgy is similar to the production of ceramics, both of which belong to powder sintering technology. Therefore, a series of new powder metallurgy technologies can also be used to prepare ceramic materials. Due to the advantages of powder metallurgy technology, it has become the key to solving new material problems and plays a vital role in the development of new materials.

[0003] Metal atomization powder making technology is currently the more advanced powder making technology. The molten metal is cooled and granulated and then ground. However, the current granulation method is mostly cooling, crushing and grinding, which consumes a lot of energy. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art, meet the actual needs, and provide a metallurgical powder precipitation device, including a molten metal conveying pipe 1, a granulation bin 2, a material receiving box 3 and a grinder 4; the pipe body of the molten metal conveying pipe rises from the top of the granulation bin to the granulation bin, a water spray head 5 is arranged in the granulation bin, the water spray path of the water spray head intersects with the molten metal dripping path of the molten metal conveying pipe, a metal particle discharge port 6 is arranged in the middle of the bottom of the granulation bin, and the metal particle discharge port is provided with an electromagnetic valve; a material receiving box that can move back and forth is arranged below the metal particle discharge port, when the material receiving box moves to the bottom of the metal particle discharge port, the material receiving box above it is connected with the metal particle discharge port; a metal particle output port is arranged below the material receiving box, and a grinder is arranged on one side below the metal particle output port.

[0005] The granulation bin includes a cylindrical granulation part 21 at the top and a conical collecting part 22 at the bottom; an annular water supply pipe 7 is arranged on the inner side wall of the granulation part, and a circular array of water spray heads inclined downward from the central axis are arranged inside the water supply pipe, and high-pressure water columns sprayed from multiple spray heads intersect at a point on the central axis of the granulation part; one side of the water supply pipe is connected to an external pressurized water pipe 8.

[0006] The bottom of the material receiving box is provided with a completely penetrating metal particle outlet 9, and the metal particle outlet is horizontally provided with a slot, and a filter screen 10 is inserted in the slot.

[0007] A water collecting trough 11 is arranged directly below the granulation bin, and the material receiving box moves back and forth between the water collecting trough and the granulation bin.

[0008] The outer ring of the metal particle discharge port is provided with a square outer eaves 12, the bottom of the square outer eaves is provided with a slot, and the slot is provided with a slot entrance on the side of the grinder; the outer ring of the receiving port of the receiving box is provided with a positioning plate 13 matching the slot.

[0009] Slide rails 14 are arranged on both sides above the water collecting trough along the movement direction of the material receiving box, and the distance between the two slide rails is less than the width of the material receiving box; slide grooves 15 are arranged at positions corresponding to the slide rails on both sides of the bottom of the material receiving box, and the slide grooves slide back and forth on the slide rails.

[0010] A conveyor belt 16 is provided between the grinder and the water collecting tank.

[0011] A drying box 23 passes through the middle of the conveyor belt 16 between the granulation bin 2 and the grinder 4 .

[0012] The beneficial effects of the utility model are:

[0013] The device first uses multiple high-pressure nozzles to quickly separate and solidify the molten metal. The higher the water pressure, the smaller the particles. At the same time, the metal particles are cooled. Then the valve is opened, and the water and metal particles are sent to the receiving box. The water flows out from the screen of the receiving box, and then the metal particles are sent to the grinder for grinding. This production method reduces energy consumption and speeds up work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and implementation cases.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a side view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the utility model;

[0018] Figure 4 This is a cross-sectional view of the material receiving box of the present utility model. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] See also Figure 1-4 .

[0021] The utility model discloses a metallurgical powder precipitation device, comprising a molten metal conveying pipe 1, a granulation bin 2, a material receiving box 3 and a grinder 4; the pipe body of the molten metal conveying pipe rises from the top of the granulation bin to the granulation bin, a water spray head 5 is arranged in the granulation bin, the water spray path of the water spray head intersects with the molten metal dripping path of the molten metal conveying pipe, a metal particle discharge port 6 is arranged in the middle of the bottom of the granulation bin, and the metal particle discharge port is provided with an electromagnetic valve; a material receiving box that can move back and forth is arranged below the metal particle discharge port, when the material receiving box moves to the bottom of the metal particle discharge port, the material receiving box above it is connected with the metal particle discharge port; a metal particle output port is arranged below the material receiving box, and a grinder is arranged on one side below the metal particle output port. The molten metal is sprayed into small metal particles one by one by a high-pressure water flow, so that it is not necessary to wait for the agglomeration to be crushed to increase energy consumption.

[0022] The granulation bin includes a cylindrical granulation part 21 at the top and a conical collecting part 22 at the bottom; an annular water supply pipe 7 is arranged on the inner side wall of the granulation part, and a circular array of water spray heads inclined downward from the central axis are arranged inside the water supply pipe, and high-pressure water columns sprayed from multiple spray heads intersect at a point on the central axis of the granulation part; one side of the water supply pipe is connected to an external pressurized water pipe 8.

[0023] The bottom of the receiving box is provided with a completely penetrating metal particle outlet 9, which is horizontally provided with a slot, and a filter screen 10 is inserted in the slot. A water collecting tank 11 is provided directly below the granulation bin, and the receiving box moves back and forth between the water collecting tank and the granulation bin. In this way, the cooled metal particles and the warm water that absorbs heat can be quickly separated, and the hot water can be transferred to the heating place or the heat pipe heat recovery place for heat recovery, further reducing heat consumption.

[0024] The outer ring of the metal particle discharge port is provided with a square outer eaves 12, the bottom of the square outer eaves is provided with a slot, and the slot is provided with a slot entrance on the side of the grinder; the outer ring of the receiving port of the receiving box is provided with a positioning plate 13 matching the slot.

[0025] Slide rails 14 are arranged on both sides above the water collecting trough along the movement direction of the material receiving box, and the distance between the two slide rails is less than the width of the material receiving box; slide grooves 15 are arranged at positions corresponding to the slide rails on both sides of the bottom of the material receiving box, and the slide grooves slide back and forth on the slide rails.

[0026] A conveyor belt 16 is provided between the grinder and the water collecting tank.

[0027] A drying box 23 passes through the middle of the conveyor belt 16 between the granulation bin 2 and the grinder 4 .

[0028] The above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent transformation made by using the contents of the specification and drawings of the present utility model or directly or indirectly applied in the relevant technical field is also included in the patent protection scope of the present utility model.

Claims

1. A metallurgical powder precipitation device, characterized in that: It comprises a molten metal conveying pipe (1), a granulation bin (2), a material receiving box (3) and a grinder (4); the pipe body of the molten metal conveying pipe rises from the top of the granulation bin into the granulation bin, a water spray head (5) is arranged in the granulation bin, the water spraying path of the water spray head intersects with the molten metal dripping path of the molten metal conveying pipe, a metal particle discharge port (6) is arranged in the middle of the bottom of the granulation bin, and the metal particle discharge port is provided with an electromagnetic valve; a material receiving box that can move back and forth is arranged below the metal particle discharge port, and when the material receiving box moves to the position directly below the metal particle discharge port, the material receiving box above it is connected with the metal particle discharge port; a metal particle output port is arranged below the material receiving box, and a grinder is arranged on one side below the metal particle output port.

2. A metallurgical powder precipitation device according to claim 1, characterized in that: The granulation bin comprises a cylindrical granulation portion (21) at the top and a conical collecting portion (22) at the bottom; an annular water supply pipe (7) is arranged on the inner side wall of the granulation portion, and a circular array of water spray heads inclined downward from the central axis are arranged inside the water supply pipe, and high-pressure water jets sprayed from the multiple spray heads intersect at a point on the central axis of the granulation portion; one side of the water supply pipe is connected to an external pressurized water pipe (8).

3. A metallurgical powder precipitation device according to claim 1, characterized in that: The bottom of the material receiving box is provided with a completely penetrating metal particle output port (9), the metal particle output port is horizontally provided with a slot, and a filter screen (10) is inserted in the slot.

4. A metallurgical powder precipitation device according to claim 3, characterized in that: A water collecting trough (11) is arranged directly below the granulation bin, and the material receiving box moves back and forth between the water collecting trough and the granulation bin.

5. A metallurgical powder precipitation device according to claim 1, characterized in that: The outer ring of the metal particle discharge port is provided with a square outer edge (12), the bottom of the square outer edge is provided with a slot, and the slot is provided with a slot entrance on the side close to the grinder; the outer ring of the receiving port of the receiving box is provided with a positioning plate (13) matching the slot.

6. A metallurgical powder precipitation device according to claim 4, characterized in that: Slide rails (14) are arranged on both sides above the water collecting trough along the movement direction of the material receiving box, and the distance between the two slide rails is smaller than the width of the material receiving box; and slide grooves (15) are arranged at positions corresponding to the slide rails on both sides of the bottom of the material receiving box, and the slide grooves slide back and forth on the slide rails.

7. A metallurgical powder precipitation device according to claim 6, characterized in that: A conveyor belt (16) is arranged between the grinder and the water collecting tank.

8. A metallurgical powder precipitation device according to claim 7, characterized in that: A drying box (23) passes through the middle of the conveyor belt (16) between the granulation bin (2) and the grinder (4).

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