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CN-224221354-U - Purification device for preparing high-purity germanium evaporation material

CN224221354UCN 224221354 UCN224221354 UCN 224221354UCN-224221354-U

Abstract

The utility model provides a purification device for preparing high-purity germanium evaporation materials, which relates to the technical field of high-purity germanium evaporation material purification and comprises a purification tank, wherein a coaxially distributed heating box is arranged in the purification tank, a rotary drum coaxially arranged with the purification tank is rotationally connected to the center of the bottom of the heating box, a plurality of stirring blades are arranged on the outer wall of the rotary drum, hydrochloric acid is contained by the heating box, liquid up-and-down shaking is realized through reciprocating lifting of the heating box, meanwhile, stirring is carried out by combining with the rotating stirring blades, a rubber cushion is not arranged any more, the risk of corrosion and high-temperature aging of the rubber cushion by the hydrochloric acid is directly eliminated, the stirring function is realized through the structural design of the reciprocating lifting and rotating stirring blades of the heating box, and a stirring rod and the inner wall of the purification tank are not required to be protected by the rubber cushion.

Inventors

  • XIE YING
  • GAO JUNFENG
  • SUN HUICONG
  • LIU XIAOGANG

Assignees

  • 领科元素(山东)技术有限公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (7)

  1. 1. The purification device for preparing the high-purity germanium evaporation material comprises a purification tank (1) and is characterized in that a heating box (4) which is coaxially distributed is arranged in the purification tank (1), a rotary drum (7) which is coaxially arranged with the purification tank (1) is rotationally connected at the center of the bottom of the heating box (4), a plurality of stirring blades (8) are arranged on the outer wall of the rotary drum (7), a drum opening of the rotary drum (7) is upward and is rotationally connected with the top of the heating box (4) in a penetrating manner, a connecting rod (13) which is horizontally arranged is fixedly arranged on the top of the tank in the purification tank (1), a center rod (6) which extends into the rotary drum (7) is fixedly arranged at the middle position of the surface of the connecting rod (13), a convex column (11) which is horizontally arranged is fixedly arranged at the bottom end of the center rod (6), a spiral groove (10) which is slidingly connected with the end part of the convex column (11) is formed in the inner wall of the rotary drum (7), and at least two electric push rods (5) which are used for driving the heating box (4) to lift are fixedly arranged at the bottom edge of the connecting rod (13).
  2. 2. The purification device for preparing the high-purity germanium evaporation material according to claim 1, wherein a plurality of electric push rods (5) are distributed in an annular array with respect to the central rod (6), and the telescopic ends of the electric push rods (5) face downwards and are detachably connected with the top of the outer box of the heating box (4) through bolts.
  3. 3. The purification device for preparing the high-purity germanium evaporation material according to claim 1, wherein the purification tank (1) is characterized in that two flow valves (2) are fixedly installed at the position, close to the top edge, of the outer wall of the purification tank (1) in a penetrating mode, one end, located on the inner wall of the purification tank (1), of each flow valve (2) is connected with an L-shaped pipe (14), and the outlet of each L-shaped pipe (14) is vertically downward and sleeved with a connecting pipe (9) fixedly connected with the top of the heating box (4) in a penetrating mode.
  4. 4. The purification device for preparing high-purity germanium evaporation material according to claim 3, wherein two flow valves (2) are used for injecting germanium tetrachloride and hydrochloric acid respectively.
  5. 5. The purification device for preparing the high-purity germanium evaporation material according to claim 1, wherein the bottom edge of the heating box (4) is fixedly provided with a switch valve (12) in a penetrating manner, and the bottom of the purification tank (1) is provided with a drain pipe (3) in a penetrating manner at a position right below the switch valve (12).
  6. 6. The purification device for preparing the high-purity germanium evaporation material according to claim 5, wherein the upper port of the drain pipe (3) extends upwards and is sleeved with the valve port below the switch valve (12).
  7. 7. The purification device for preparing the high-purity germanium evaporation material according to claim 1, wherein the outer side edge of the heating box (4) is in clearance fit with the inner wall of the purification tank (1).

Description

Purification device for preparing high-purity germanium evaporation material Technical Field The utility model relates to the technical field of purification of high-purity germanium evaporation materials, in particular to a purification device for preparing a high-purity germanium evaporation material. Background The high-purity germanium evaporation material is mainly used in the high-tech fields of semiconductors, solar cells, optical fiber communication and the like. For example, germanium is an important semiconductor material in semiconductor fabrication, whose purity directly affects the performance of the device. Therefore, the efficient germanium tetrachloride extraction and purification device has the advantages that the device is disclosed as CN215538601U, germanium tetrachloride and hydrochloric acid are poured into an extraction and purification tank when the device is used, heating strips are arranged on the inner wall of the extraction and purification tank, the heating speed is higher due to the arrangement of the heating strips, evaporation of internal water is accelerated, the purification efficiency is improved, stirring rods stir materials in the purification process, uniform heating is ensured, a rubber cushion is arranged at one end of the stirring rods, the stirring rods can be prevented from scratching the inner wall of the extraction and purification tank in the stirring process, a PJ-205 timing module structure is arranged on the outer surface of the extraction and purification tank, the time required for purification is set in the purification process, heating is automatically stopped when the time is reached, and after the purification is finished, a discharging valve is opened, so that the materials fall from a discharging hole. However, hydrochloric acid is a strong acid and has strong corrosiveness, under the heating condition, the volatility of the hydrochloric acid is enhanced, and steam of the hydrochloric acid possibly contacts with a rubber cushion to cause chemical corrosion of the rubber cushion, and the heating process can raise the temperature in the extraction and purification tank, so that the rubber cushion can be aged at high temperature. Disclosure of utility model The utility model aims to solve the problems in the prior art and provides a purification device for preparing a high-purity germanium evaporation material. In order to achieve the purpose, the purification device for preparing the high-purity germanium evaporation material comprises a purification tank, wherein a heating tank which is coaxially distributed is arranged in the purification tank, a rotary drum which is coaxially arranged with the purification tank is rotationally connected to the center of the bottom of the heating tank, a plurality of stirring blades are arranged on the outer wall of the rotary drum, a rotary drum opening faces upwards and is rotationally connected with the top of the heating tank in a penetrating manner, a connecting rod which is horizontally arranged is fixedly arranged on the top of the purification tank, a central rod which extends into the rotary drum is fixedly arranged in the middle of the surface of the connecting rod, a convex column which is horizontally arranged is fixedly arranged at the bottom end of the central rod, a spiral groove which is slidingly connected with the end part of the convex column is formed in the inner wall of the rotary drum, and at least two electric push rods which are used for driving the heating tank to lift are fixedly arranged at the bottom edge of the connecting rod. Preferably, the plurality of electric push rods are distributed in an annular array with respect to the central rod, the telescopic ends of the electric push rods face downwards and are detachably connected with the top of the outer box of the heating box through bolts. Preferably, the purification tank outer wall is close to the top edge position and runs through fixed mounting has two flow valves, the one end that the flow valve is located purification tank inner wall is connected with L type pipe, L type pipe export is vertical down and the cover is equipped with and runs through fixed connection's connecting pipe with the heating cabinet roof. Preferably, two of the flow valves are used for germanium tetrachloride and hydrochloric acid injection, respectively. Preferably, the bottom edge of the heating box is fixedly provided with a switch valve in a penetrating manner, and the bottom of the purifying tank is provided with a drain pipe in a penetrating manner under the switch valve. Preferably, the upper port of the drain pipe extends upwards and is used for sleeving the valve port below the switch valve. Preferably, the outer side of the heating box is in clearance fit with the inner wall of the purifying tank. Compared with the prior art, the utility model has the advantages and positive effects that, 1. According to the utility model, the heating box is used f