CN-224222743-U - Vacuum pipeline powder removing structure of electrode induction smelting gas atomization powder making furnace

Abstract

The utility model relates to a vacuum pipeline powder removing structure of an electrode induction smelting gas atomization powder making furnace, and belongs to the technical field of metal powder preparation. Including vacuum pump package (1), cyclone (9), vacuum tube A (17) and vacuum tube B (2), vacuum tube A (17) both ends are connected with charging chamber (13) and vacuum pump package (1), are equipped with extraction valve A (11) on vacuum tube A (17), and vacuum tube B (2) one end is connected with atomizer chamber (16), and the other end is connected with cyclone (9) entry, and is equipped with extraction valve B (12) on vacuum tube B (2), and cyclone (9) lower extreme is equipped with receives powder jar (10), and the upper end is connected with vacuum pump package (1). According to the structure, the vacuumizing efficiency is improved through the two pipelines, and the service life of the vacuum pump is prolonged through the cyclone separator (9). The problems that an existing feeding chamber and an existing atomizing chamber are the same vacuumizing pipeline, the vacuumizing speed is low, the independent vacuumizing time of the feeding chamber is long and the efficiency is low when rods are replaced are solved.

Inventors

• XIE BO
• ZHAO SANCHAO
• LIU XINYU
• LI WEI

Assignees

• 成都先进金属材料产业技术研究院股份有限公司

Dates

Publication Date

20260512

Application Date

20250529

Claims (10)

1. 1. The utility model provides an electrode induction melting gas atomization powder process stove vacuum pipeline removes powder structure, includes vacuum pump package (1), its characterized in that still includes cyclone (9), vacuum tube A (17) and vacuum tube B (2), vacuum tube A (17) one end is connected with charging chamber (13), and the other end is connected with vacuum pump package (1) entry, and is provided with extraction valve A (11) on vacuum tube A (17), vacuum tube B (2) one end is connected with atomizing chamber (16), and the other end is connected with cyclone (9) entry, and is provided with extraction valve B (12) on vacuum tube B (2), cyclone (9) lower extreme export is provided with receipts powder jar (10), cyclone (9) upper end export and vacuum pump package (1) entry connection.
2. 2. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization pulverizing furnace is characterized in that a filter (3) is arranged between an outlet at the upper end of the cyclone separator (9) and an inlet of the vacuum pump set (1).
3. 3. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization powder making furnace is characterized in that a detachable filter element (4) is arranged at the left end inside the filter (3), and the filter element (4) is made of nonmetallic materials.
4. 4. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization powder making furnace is characterized in that a baffle plate (5) is arranged on the right side of the filter (3), the baffle plate (5) is detachably fixed at the right end of the filter (3) through a locking piece (6), and a plugging air inlet pipe (7) is arranged on the filter (3).
5. 5. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization powder making furnace according to claim 1 is characterized in that a cyclone cylinder (8) is vertically arranged in the cyclone separator (9).
6. 6. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization powder making furnace according to claim 5, wherein the bottom of the cyclone cylinder (8) is positioned below the inlet of the cyclone separator (9).
7. 7. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization pulverizing furnace of claim 5, wherein the inner diameter of the cyclone cylinder (8) is 1/3-1/2 of the inner diameter of the cyclone separator (9).
8. 8. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization powder making furnace is characterized in that butterfly valves are arranged at the bottom of the cyclone separator (9) and the upper part of the powder collecting tank (10).
9. 9. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization powder making furnace according to claim 1, wherein the powder collecting tank (10) is detachably connected with the cyclone separator (9).
10. 10. The vacuum pipeline powder removing structure of the electrode induction melting gas atomization powder making furnace is characterized in that a melting chamber (14) is arranged at the lower end of a feeding chamber (13), a plugging gate valve (15) capable of being plugged is arranged between the feeding chamber (13) and the melting chamber (14), and the lower end of the melting chamber (14) is connected with the upper end of an atomization chamber (16).

Description

Vacuum pipeline powder removing structure of electrode induction smelting gas atomization powder making furnace Technical Field The utility model relates to a vacuum pipeline powder removing structure of an electrode induction smelting gas atomization powder making furnace, and belongs to the technical field of metal powder preparation. Background The electrode induction smelting gas atomization preparation technology is also called as EIGA technology, in an inert gas protection environment, a metal bar is vertically arranged in a charging chamber, a high-frequency induction coil is used for heating the tip of the lower end of the metal bar to enable metal to be quickly melted, molten metal drops drop down from the tail end of the bar, in a smelting chamber, the molten metal drops are impacted by high-speed argon passing through an annular nozzle to be broken into tiny drops, the tiny drops enter an atomization chamber, the drops are cooled and solidified in the flight process to form spherical metal powder, the metal powder is collected after being cooled by the argon, and part of powder is reserved in the atomization chamber and the inner wall of a pipeline. After powder is collected by the powder atomized by smelting in the previous shift, part of powder still remains in the equipment, the whole vacuumizing is needed to be carried out on the equipment charging chamber and the atomizing chamber before the next shift is made, the powder remaining in the equipment can be carried into the vacuum pump along with high-speed air flow in the vacuumizing process, the structure of the vacuum pump is damaged due to long accumulation month, and the vacuumizing capacity of the vacuum pump is reduced. Meanwhile, the existing charging chamber and the atomizing chamber are the same vacuumizing pipeline, and because of the filter element in the pipeline, the pumping speed is reduced, so that the rod replacing process is long in independently vacuumizing the charging chamber, and the production efficiency is affected. Disclosure of utility model The utility model aims to solve the technical problems that the existing charging chamber and the atomizing chamber are the same vacuumizing pipeline, the pumping speed is reduced, the independent vacuumizing time of the charging chamber in the rod replacing process is long, and the production efficiency is influenced. The utility model solves the technical problems by adopting the technical scheme that the vacuum pipeline powder removing structure of the electrode induction smelting gas atomization pulverizing furnace comprises a vacuum pump set, a cyclone separator, a vacuum pipe A and a vacuum pipe B, wherein one end of the vacuum pipe A is connected with a charging chamber, the other end of the vacuum pipe A is connected with an inlet of the vacuum pump set, an extraction valve A is arranged on the vacuum pipe A, one end of the vacuum pipe B is connected with an atomization chamber, the other end of the vacuum pipe B is connected with an inlet of the cyclone separator, an extraction valve B is arranged on the vacuum pipe B, a powder collecting tank is arranged at an outlet at the lower end of the cyclone separator, and an outlet at the upper end of the cyclone separator is connected with an inlet of the vacuum pump set. Wherein, in the above-mentioned structure, be provided with the filter between cyclone upper end export and the vacuum pump package entry. Further, in the structure, a detachable filter element is arranged at the left end inside the filter, and the filter element is made of nonmetallic materials. Further, in the structure, a baffle is arranged on the right side of the filter, the baffle is detachably fixed at the right end of the filter through a locking piece, and a blocking air inlet pipe is arranged on the filter. Wherein, in above-mentioned structure cyclone separator inside is vertically provided with the whirlwind section of thick bamboo. Further, in the structure, the bottom of the cyclone cylinder is positioned below the inlet of the cyclone separator. Further, in the structure, the inner diameter of the cyclone cylinder is 1/3-1/2 of the inner diameter of the cyclone separator. Wherein, in above-mentioned structure cyclone bottom and receipts powder jar upper portion are provided with the butterfly valve. Wherein, in above-mentioned structure receive powder jar and cyclone detachable connection. Wherein, in above-mentioned structure the charging chamber lower extreme is provided with the smelting chamber, and is provided with the push-pull valve that can block up between charging chamber and the smelting chamber, smelting chamber lower extreme is connected with the atomizing chamber upper end. The beneficial effects of the utility model are as follows: The structure combines the cyclone separator and the filter to remove powder in the vacuum pipeline, separates most of powder through the cyclone separator, collects the powder in the powder collecting t