Metal granulation equipment with high oxidation rate

Abstract

The utility model relates to the technical field of metal granulation, in particular to metal granulation equipment with higher oxidation rate, which comprises a tubular charging furnace body, a heater and a granule storage kettle, the heater is arranged on the periphery of the charging furnace body, a cup-shaped material melting support is arranged in the charging furnace body, a plurality of blanking holes are uniformly distributed on the bottom surface of the material melting support, and the granule storage kettle is arranged in the charging furnace body. A graphite rotary sheet is vertically arranged in the material melting support, the top of the graphite rotary sheet is connected with a rotary inner shaft, an inflation pipe and an exhaust pipe which are communicated with the interior are arranged on one side of the charging furnace body, inert gas can be injected into the charging furnace body through the inflation pipe, the charging furnace body and the particle storage kettle are filled with the inert gas, and metal oxidation can be effectively prevented; meanwhile, the rotary inner shaft is rotated in the granulating process, the graphite rotary sheet continuously rotates above the discharging hole, so that the metal liquid is cut off at intervals, the shape and the size of the falling metal particles are more regular, the structure is simple, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of metal granulation, in particular to metal granulation equipment with a high oxidation rate. Background Art

[0002] In order to facilitate transportation, storage and use, metals are often required to be granulated. However, existing metal granulation furnaces have complex structures to a certain extent, and when granulating metals with high oxidation rates, they cannot effectively prevent metal granules from oxidation, the metal granules have irregular shapes, and the yield rate is not high. Therefore, it is necessary to further improve these granulation furnaces. Utility Model Content

[0003] The utility model aims to solve the above problems, thereby providing a metal granulation device with a higher oxidation rate.

[0004] The utility model solves the above problems and adopts the following technical solutions:

[0005] A metal granulation equipment with a high oxidation rate comprises a tubular charging furnace body, a heater and a pellet storage kettle. A sealing cover is arranged at the upper end of the charging furnace body, the pellet storage kettle is arranged at the lower end of the charging furnace body and is sealed and connected to the charging furnace body, a discharge valve is arranged at the bottom end of the pellet storage kettle, the heater is arranged on the outer periphery of the charging furnace body, a cup-shaped melt support is arranged in the charging furnace body, a plurality of discharge holes are arranged on the bottom surface of the melt support, a graphite rotary blade is arranged in the melt support, the graphite rotary blade is vertically arranged, and a rotating inner shaft is connected to the top, the top end of the rotating inner shaft passes through the sealing cover and extends upward, brackets for fixing are respectively arranged in the charging furnace body and at the upper and lower ends of the melt support, an inflation pipe and an exhaust pipe connected to the interior are arranged on one side of the charging furnace body, and an inflation valve and an exhaust valve are respectively arranged on the inflation pipe and the exhaust pipe; a water injection pipe and a drainage pipe connected to the interior are arranged on the bottom side wall of the pellet storage kettle, and a water injection valve and a drainage valve are respectively arranged on the water injection pipe and the drainage valve.

[0006] Compared with the prior art, the utility model adopting the above technical solution has the following outstanding features:

[0007] 1) By setting up the gas filling pipe and the exhaust pipe, inert gas can be injected into the charging furnace body to prevent metal oxidation;

[0008] 2) During the granulation process, the inner shaft rotates and the graphite vane continuously rotates above the discharge hole to achieve the interval cutting of the molten metal, making the shape and size of the falling metal particles more regular, with a simple structure and easy use.

[0009] As a preferred embodiment, a further technical solution of the utility model is:

[0010] A vacuum exhaust pipe connected to the interior is arranged on the exhaust pipe and between the exhaust valve and the charging furnace body, and a vacuum exhaust valve is arranged on the vacuum exhaust pipe; before the inert gas is flushed in, a vacuum treatment is performed to prevent residual air from remaining inside.

[0011] A barometer is also provided on the exhaust pipe and between the exhaust valve and the charging furnace body.

[0012] The charging furnace body includes a heating section, an upper connecting flange and a lower connecting flange. The heating section is located between the two flanges and is made of a quartz tube. The exhaust pipe is connected to one side of the upper connecting flange, and the inflation pipe is connected to one side of the lower connecting flange. The heating section is made of a quartz tube, and the size of the metal droplets in the charging furnace body can be intuitively observed. A connecting flange is set and a pipeline is connected to the connecting flange, which is more convenient than opening a hole in the quartz tube.

[0013] The pellet storage kettle comprises a storage section made of a quartz tube and an extension section connected below the storage section, wherein the extension section is a flange, a discharge valve is connected to the bottom of the extension section, and a water injection pipe and a drainage pipe are both connected to one side of the extension section.

[0014] There are scale lines on the storage section of the pellet storage kettle; the amount of ultrapure water or glycerol injected can be observed.

[0015] The bottom surface of the graphite rotating blade is V-shaped, and the top surface of the melt holder is a concave surface for the bottom of the graphite rotating blade to rotate; it is beneficial for the molten metal to flow out from the discharge hole after being collected. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the assembly structure of the melt holder and the graphite rotary vane according to the embodiment of the utility model;

[0018] Marked in the figure are: charging furnace body 1, particle storage kettle 2, heater 3, sealing cover 4, unloading valve 5, melt support 6, graphite rotary vane 7, rotating inner shaft 8, bracket 9, inflation pipe 10, inflation valve 11, exhaust pipe 12, exhaust valve 13, vacuum exhaust pipeline 14, vacuum exhaust valve 15, pressure gauge 16, water injection pipe 17, water injection valve 18, drain pipe 19, drain valve 20, upper connecting flange 1-1, heating section 1-2, lower connecting flange 1-3, storage section 2-1, extension section 2-2, discharge hole 6-1. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0020] See also Figure 1-Figure 2A metal granulation device with a high oxidation rate includes a tubular charging furnace body 1, a heater 3 and a pellet storage kettle 2. A sealing cover 4 is arranged at the upper end of the charging furnace body 1. The pellet storage kettle 2 is arranged at the lower end of the charging furnace body 1 and is sealed and connected to the charging furnace body 1. A discharge valve 5 is arranged at the bottom of the pellet storage kettle 2. The heater 3 is arranged on the outer periphery of the charging furnace body 1. A cup-shaped melt tray 6 is arranged in the charging furnace body 1. A plurality of discharge holes 6-1 are evenly distributed on the bottom surface of the melt tray 6. A graphite rotary blade 7 is arranged in the melt tray 6. The graphite rotary blade 7 is vertically arranged and connected to a rotating inner The top end of the rotating inner shaft 8 passes through the sealing cover 4 and extends upward, and rotates to seal. A bracket 9 for fixing is respectively arranged in the charging furnace body 1 and at the upper and lower ends of the melt support 6. An inflation pipe 10 and an exhaust pipe 12 communicating with the interior are arranged on one side of the charging furnace body 1. An inflation valve 11 and an exhaust valve 13 are respectively arranged on the inflation pipe 10 and the exhaust pipe 12. A water injection pipe 17 and a drainage pipe 19 communicating with the interior are arranged on the bottom side wall of the pellet storage kettle 2. A water injection valve 18 and a drainage valve 20 are respectively arranged on the water injection pipe 17 and the drainage pipe 19.

[0021] A vacuum exhaust pipe 14 connected to the interior is provided on the exhaust pipe 12 and between the exhaust valve 13 and the charging furnace body 1, and a vacuum exhaust valve 15 is provided on the vacuum exhaust pipe 14; before the inert gas is flushed in, a vacuum treatment is performed to prevent residual air from remaining inside.

[0022] A barometer 16 is also provided on the exhaust pipe 12 and between the exhaust valve 13 and the charging furnace body 1 .

[0023] The charging furnace body 1 includes a heating section 1-2, an upper connecting flange 1-1 and a lower connecting flange 1-3. The heating section 1-2 is located between the two flanges and is made of a quartz tube. The exhaust pipe 12 is connected to one side of the upper connecting flange 1-1, and the inflation pipe 10 is connected to one side of the lower connecting flange 1-3. The heating section 1-2 is made of a quartz tube, and the size of the metal droplets in the charging furnace body 1 can be intuitively observed. It is more convenient to set a connecting flange and connect the pipeline to the connecting flange than to open a hole in the quartz tube.

[0024] The pellet storage kettle 2 includes a storage section 2-1 made of a quartz tube and an extension section 2-2 connected to the bottom of the storage section 2-1. The extension section 2-2 is a flange, and a discharge valve 5 is connected to the bottom of the extension section 2-2. The water injection pipe 17 and the drainage pipe 19 are both connected to one side of the extension section 2-2.

[0025] The material storage section 2-1 of the pellet storage kettle 2 is marked with scale lines, and the amount of ultrapure water or glycerol injected can be observed.

[0026] The bottom surface of the graphite rotating blade 7 is V-shaped, and the top surface of the melt holder 6 is a concave surface for the bottom of the graphite rotating blade 7 to rotate, which is conducive to the metal liquid to flow out from the discharge hole 6-1 after being collected.

[0027] When the utility model is used, inert gas can be injected into the charging furnace body through the inflation pipe, and the charging furnace body and the pellet storage kettle are filled with the inert gas, which can effectively prevent metal oxidation; at the same time, the rotating inner shaft is rotated during the granulation process, and the graphite rotary blade continuously rotates above the discharge hole to achieve the interval cutting of the metal liquid, so that the shape and size of the falling metal particles are more regular, the structure is simple, and it is easy to use.

[0028] The above description is only a preferred feasible embodiment of the present utility model, and does not limit the scope of rights of the present utility model. All equivalent changes made using the contents of the present utility model specification and its drawings are included in the scope of rights of the present utility model.

Claims

1. A metal granulation device with a high oxidation rate, comprising a tubular charging furnace body, a heater and a granulation storage kettle, characterized in that: A sealing cover is provided at the upper end of the charging furnace body, a particle storage kettle is provided at the lower end of the charging furnace body, and both are sealed and connected to the charging furnace body, a discharge valve is provided at the bottom end of the particle storage kettle, and a heater is provided on the outer periphery of the charging furnace body, a cup-shaped melt tray is provided in the charging furnace body, and a plurality of discharge holes are provided on the bottom surface of the melt tray, a graphite rotor is provided in the melt tray, the graphite rotor is upright, and a rotating inner shaft is connected to the top, and the top of the rotating inner shaft extends upward through the sealing cover, brackets for fixing are respectively provided in the charging furnace body and at the upper and lower ends of the melt tray, an inflation pipe and an exhaust pipe connected to the interior are provided on one side of the charging furnace body, and an inflation valve and an exhaust valve are respectively provided on the inflation pipe and the exhaust pipe; a water injection pipe and a drainage pipe connected to the interior are provided on the bottom side wall of the particle storage kettle, and a water injection valve and a drainage valve are respectively provided on the water injection pipe and the drainage valve.

2. The metal granulation equipment with a high oxidation rate according to claim 1 is characterized in that: A vacuum exhaust pipeline connected with the interior is arranged on the exhaust pipe and between the exhaust valve and the charging furnace body, and a vacuum exhaust valve is arranged on the vacuum exhaust pipeline.

3. The metal granulation equipment with a high oxidation rate according to claim 1 is characterized in that: A barometer is also provided on the exhaust pipe and between the exhaust valve and the charging furnace body.

4. The metal granulation equipment with a high oxidation rate according to claim 1 is characterized in that: The charging furnace body includes a heating section, an upper connecting flange and a lower connecting flange. The heating section is located between the two flanges and is made of a quartz tube. The exhaust pipe is connected to one side of the upper connecting flange, and the inflation pipe is connected to one side of the lower connecting flange.

5. The metal granulation equipment with a high oxidation rate according to claim 1 is characterized in that: The pellet storage kettle comprises a storage section made of a quartz tube and an extension section connected below the storage section, wherein the extension section is a flange, a discharge valve is connected to the bottom of the extension section, and a water injection pipe and a drainage pipe are both connected to one side of the extension section.

6. The metal granulation equipment with a high oxidation rate according to claim 5 is characterized in that: There are scale lines drawn on the storage section of the pellet storage kettle.

7. The metal granulation equipment with a high oxidation rate according to claim 1 is characterized in that: The bottom surface of the graphite rotating blade is V-shaped, and the top surface of the melt holder is a concave surface for the bottom of the graphite rotating blade to rotate.

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