Chemical reagent dry box for teaching demonstration

Abstract

The invention discloses a chemical reagent dry box for teaching demonstration, and belongs to the technical field of chemical teaching. The chemical reagent dry box for teaching demonstration comprises a box body, wherein an annular groove is formed in the position, relative to the outer side of a rotating ring and a tooth column, of the lower portion of a storage cavity; a through opening is formed in the lower end of the right wall of a movable base; a rack is arranged at the right side of the through opening; a spiral block is fixedly arranged on the top face of the rotating ring; a plurality of clamping blocks are annularly arranged above the spiral block at equal intervals; corrugated grooves are formed in the positions, opposite to the spiral block, of the bottom surfaces of the clamping blocks; a limiting plate is arranged between every two adjacent clamping blocks; the middle of the outer wall of each limiting plate is fixedly connected with the inner wall of the storage cavity through a fixing base; guide plates are fixedly arranged at the ends of the two sides of each limiting plate; guide grooves are formed in the positions, opposite to the guide plates, of the outer walls of the clamping blocks; and baffles are fixedly arranged in the middles of the top faces of the clamping blocks. The moisture-proof function is not limited by electric power, and a worker does not need to check constantly, so that the moisture-proof reliability is improved, the consumption of electric energy is reduced, and double purposes are achieved.

Description

technical field [0001] The invention relates to the technical field of chemistry teaching, in particular to a chemical reagent drying box for teaching and demonstration. Background technique [0002] Many reagents are used for teaching demonstrations in schools, and some of the reagents in the demonstrations are more expensive, and many of them need to be placed in a dry environment, and these reagents are not used during school holidays in summer and winter. In addition, there is a lot of rain and snow in this weather, if it is placed directly, it is easy to make the reagent hydrophilic, causing damage to the reagent and affecting subsequent use. [0003] After searching, the patent with the publication number CN211876567U discloses a chemical reagent drying box for teaching and demonstration. The box body is divided into a storage area and a circulation area by a partition plate, and the air in the storage area can be cooled by a ventilating plate through a blower. Adsorp...

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Problems solved by technology

[0004] The way that the existing device uses the blower to dry the inside of the box needs to rely on the supply of electric energy, which will cause a huge consumption of electric energy, which is not conducive to cost saving. Arrange staggered peak power cuts, and during the power cut, these reagents will lose the drying effect brought by the blower, which will make the moisture in the device affect the reagents. In view of this, we propose a chemical reagent drying box for teaching demonstration

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