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CN-224207960-U - Quartz reaction kettle for high-purity gallium impurity analysis

CN224207960UCN 224207960 UCN224207960 UCN 224207960UCN-224207960-U

Abstract

The application relates to the technical field of chemical experimental instruments, and particularly discloses a quartz reaction kettle for high-purity gallium impurity analysis, which comprises a top cover, wherein an air inlet pipe and an air outlet pipe are arranged on the top cover, a hemispherical inner cavity is arranged in the top cover, the air inlet pipe is communicated with the inner cavity, and the air outlet pipe is communicated with the outside of the inner cavity; and the bottom three branch pipes are circumferentially distributed at intervals. Because three branch pipes circumference evenly sets up in the bottom of inner chamber, when gas enters into the inner chamber, the air current direction of motion under does not correspond arbitrary branch pipe to avoid a large amount of hydrogen chloride to circulate in a certain branch pipe directly, because the inner chamber is hemispherical structure wholly again, when the gas that consequently enters into the inner chamber strikes the bottom of inner chamber, gas diffusion in the inner chamber, later can enter into in three branch pipes evenly, thereby guarantee that the gas entering amount in every branch pipe is the same.

Inventors

  • LIU HONGLI
  • YUE YONGQIANG
  • DU CHENXIA
  • QIU JIANWEI
  • LIU YINGHUA

Assignees

  • 中铝(郑州)铝业有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (7)

  1. 1. The quartz reaction kettle for high-purity gallium impurity analysis is characterized by comprising a top cover (1), wherein an air inlet pipe (2) and an air outlet pipe (3) are arranged on the top cover (1), a hemispherical inner cavity (5) is formed in the top cover (1), the air inlet pipe (2) is communicated with the inner cavity (5), the air outlet pipe (3) is communicated with the outer portion of the inner cavity (5), and three branch pipes (6) distributed at intervals in the circumferential direction are arranged at the bottom of the inner cavity (5).
  2. 2. Quartz reactor for high purity gallium impurity analysis according to claim 1, wherein three of said branch pipes (6) are arranged at regular intervals in the circumferential direction.
  3. 3. The quartz reaction kettle for analyzing high-purity gallium impurities according to claim 1, wherein the top wall of the inner cavity (5) is of a spherical structure, the bottom wall of the inner cavity (5) is of a planar structure, and the branch pipe (6) is arranged on the bottom wall of the inner cavity (5).
  4. 4. Quartz reactor for high purity gallium impurity analysis according to claim 2, wherein the ends of the branch pipes (6) remote from the inner chamber (5) are each inclined outwardly.
  5. 5. The quartz reactor for high purity gallium impurity analysis according to claim 4, wherein the inclination angle of the end of the branch pipe (6) is 15 °.
  6. 6. Quartz reactor for high purity gallium impurity analysis according to claim 5, wherein the vertical portion in the branch pipe (6) coincides with the inclined portion in length.
  7. 7. The quartz reaction kettle for analyzing high purity gallium impurity according to claim 1, further comprising a kettle body (4), wherein the top cover (1) is disposed on an upper edge (40) of the kettle body (4).

Description

Quartz reaction kettle for high-purity gallium impurity analysis Technical Field The application relates to the technical field of chemical experimental instruments, in particular to a quartz reaction kettle for high-purity gallium impurity analysis. Background Gallium, a metal that is grayish blue or silvery white, has a melting point of 29.8 ℃. In nature, trace amount of the metal gallium is often dispersed in bauxite, zinc blende and other ores, and the metal gallium is further purified by methods such as an electrolytic method, a reduced pressure distillation method, a distributed crystallization method, a zone melting method and the like to prepare the high-purity gallium. The method can be used for manufacturing semiconductor doping elements of semiconductor gallium nitride, gallium arsenide, gallium phosphide and germanium semiconductor and heat exchange medium of nuclear reaction. The quantitative analysis of impurity elements in high purity gallium adopts an inductively coupled plasma mass spectrometry method, the principle is that gallium and hydrogen chloride gas react to generate gallium trichloride gas at the temperature of 200 ℃, the generated gallium trichloride gas is volatilized and exhausted, so that the aim of separating main gallium and enriching impurities is fulfilled, in the whole process, hydrogen chloride gas reacts with gallium in a sample (gallium containing impurities) in a crucible in a quartz reaction kettle (volatilizer), after the reaction is finished, the impurity content in the crucible is measured, so that the impurity content in the sample is obtained, and the method has a certain positive meaning. Disclosure of utility model The application aims to solve the problems and provide a quartz reaction kettle for analyzing high-purity gallium impurities. In order to achieve the above purpose, the technical scheme of the application is as follows: A quartz reaction kettle for high-purity gallium impurity analysis comprises a top cover, wherein an air inlet pipe and an air outlet pipe are arranged on the top cover, a hemispherical inner cavity is formed in the top cover, the air inlet pipe is communicated with the inner cavity, the air outlet pipe is communicated with the outer portion of the inner cavity, and three branch pipes which are circumferentially distributed at intervals are arranged at the bottom of the inner cavity. Preferably, the three branch pipes are circumferentially and uniformly arranged at intervals. Preferably, the top wall of the inner cavity is of a spherical structure, the bottom wall of the inner cavity is of a planar structure, and the branch pipe is arranged on the bottom wall of the inner cavity. Preferably, the ends of the branch pipes far away from the inner cavity are respectively arranged in an outward inclined mode. Preferably, the inclination angle of the end of the branch pipe is 15 DEG Preferably, the vertical portion of the branch pipe coincides with the inclined portion in length. Preferably, the reaction kettle further comprises a kettle body, and the top cover is arranged on the upper edge of the kettle body. According to the quartz reaction kettle for analyzing high-purity gallium impurities, as the three branch pipes are uniformly arranged at the bottom of the inner cavity in the circumferential direction, when gas enters the inner cavity, the position right below the movement direction of the gas flow does not correspond to any branch pipe, so that a large amount of hydrogen chloride is prevented from directly flowing from one branch pipe, and as the whole inner cavity is in a hemispherical structure, when the gas entering the inner cavity impacts the bottom of the inner cavity, the gas is dispersed in the inner cavity and then uniformly enters the three branch pipes, and the gas entering amount in each branch pipe is ensured to be the same. Drawings FIG. 1 is a schematic diagram of the overall structure of the present application; FIG. 2 is a cross-sectional view of the overall structure of the present application; FIG. 3 is a perspective view of the top cover structure of the present application; FIG. 4 is another perspective view of the top cover structure of the present application; FIG. 5 is a schematic view of the structure of the pan body according to the present application. In the figure: 1. Top cover, 10, outer edge, 2, air inlet pipe, 3, air outlet pipe, 4, pot body, 40, upper edge, 5, inner cavity, 6, branch pipe. Detailed Description The application will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating the basic structure of the present application by way of illustration only, and thus show only the constitution related to the present application. As shown in figures 1-5, the quartz reaction kettle for high-purity gallium impurity analysis comprises a top cover 1, wherein an air inlet pipe 2 and an air outlet pipe 3 are arranged on the t