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Crucible

A crucible and crucible cover technology, applied in the field of chemical instruments, can solve the problems of inconvenient access, scalding and the like

Inactive Publication Date: 2016-01-27
常州进出口工业及消费品安全检测中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, because the crucible is in a high temperature state when in use, it is very inconvenient for people to take the crucible in production and life, and it may cause the danger of burns when taking it.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1, as figure 1 and figure 2 , a crucible, comprising a crucible body 1 and a crucible cover 2, the outer surface of the crucible body 1 is provided with a ring of heat insulation layer 3, the heat insulation layer is made of asbestos, and the heat insulation layer 3 is evenly distributed with at least two lifting ears 4. The heat insulating layer 3 is located under the crucible cover 2; the upper surface of the crucible cover 2 is provided with an annular protrusion 5, which is adapted to the bottom of the crucible body 1, and the lower part of the crucible body is an arc-shaped side wall. The outer diameter of the heat insulating layer 3 is consistent with the outer diameter of the crucible cover 2 .

Embodiment 2

[0014] Example 2, as image 3 , the center of the bottom end of the crucible body 1 is provided with an arc-shaped groove 6, and the crucible cover 2 is provided with an arc-shaped protrusion 7 adapted to the arc-shaped groove 6, and the arc-shaped protrusion 7 is located in the annular protrusion 5, the arc-shaped protrusions and the annular protrusions are arranged concentrically. The advantage is that on the one hand, the arc-shaped grooves can make the bottom of the crucible heat evenly, and on the other hand, in cooperation with the arc-shaped protrusions, the crucible can be stably placed in the annular shape. inside the bulge to prevent it from being shattered when tilted.

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Abstract

The invention relates to a crucible. The crucible comprises a crucible body and a crucible cover and is characterized in that a ring of heat insulation layer is arranged on the outer surface of the crucible body, at least two lifting lugs are evenly distributed on the heat insulation layer located below the crucible cover, and an annular protrusion is arranged on the upper surface of the crucible cover and corresponds to the bottom of the crucible body. The crucible has the advantages that a user can take the crucible directly without crucible tongs and can be prevented from being scalded.

Description

technical field [0001] The invention relates to the technical field of chemical instruments, in particular to a crucible. Background technique [0002] A crucible is a container made of refractory materials, which can be used for the burning of solid substances, the evaporation and crystallization of solutions, etc. The heated crucible should not be placed directly on a cold workbench to avoid the crucible from breaking due to sudden cooling; nor should it be placed directly on a wooden workbench to avoid scalding or even igniting the desktop. In addition, because the crucible is in a high temperature state during use, it is very inconvenient for people to take the crucible in production and life, and it may cause the danger of scalding when taking it. SUMMARY OF THE INVENTION [0003] In view of the above problems, the purpose of the present invention is to provide a crucible that does not require crucible tongs, can directly take the crucible without being scalded, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B14/10
Inventor 高翔唐建明庄学忠于涛
Owner 常州进出口工业及消费品安全检测中心