The utility model discloses an external-fan type coal sample dehumidifying device which comprises a box body, a controller and a partition plate arranged in the box body, wherein the box body is divided into two chambers by the partition plate; one or more coal sample trays for holding coal samples are placed on the partition plate, and one or more through holes are formed in the bottom of each coal sample tray; a fan is arranged at the external part of the box body and is communicated with the inner chambers of the box body. The external-fan type coal sample dehumidifying device has the advantages of simple structure, convenience in operation, high dehumidifying efficiency and the like, can ensure the ventilated effect of the samples and can be used for improving the humidity control quality.

External-fan type coal sample dehumidifying device

The invention particularly relates to a golden filament chrysanthemum oven. A square box and a hot air circulation system arranged on the box are included. A rotation baking table is arranged on the bottom face in the box. The rotation baking table is provided with a baking bracket. The baking bracket is composed of a baking base and a plurality of baking discs. Each baking disc comprises a circular-pipe-shaped disc body and a circular containing plate, wherein the circular containing plate is provided with a plurality of cylindrical pits, circular through holes and annular grid plates are arranged at the center positions of the bottoms of the cylindrical pits, a circular-pipe-shaped base and a plurality of supporting stand columns connected with the circular-pipe-shaped base are arrangedbelow the circular-pipe-shaped disc body, an annular groove is formed in the lower end face of the circular-pipe-shaped base, and the lower end face of the part, on inner side of the annular groove, of the circular-pipe-shaped base is provided with a circular bottom plate. According to the golden filament chrysanthemum oven, the temperature is controllable, operation is convenient, drying is moreuniform, material overturning is not needed, adverse influences that petals are scattered and tori are separated are avoided, the product quality is stable, and the drying efficiency is high.

Golden filament chrysanthemum oven

The invention relates to a placing sieve for gold spun emperor chrysanthemum drying. The placing sieve for the gold spun emperor chrysanthemum drying comprises a circular tubular sieve body and a circular sieve plate, wherein a sieve opening with an annular protruded shape is formed in the upper end face of the circular tubular sieve body; an annular outer base and an annular inner base are arranged on the lower end face of the circular tubular sieve body; a plurality of outer base ventilation openings and a plurality of inner base ventilation openings are correspondingly formed in the outer walls of the annular outer base and the annular inner base; a plurality of sieving holes are formed in the circular sieve plate; and emperor chrysanthemum placing discs are arranged in the multiple sieving holes; the emperor chrysanthemum placing discs are composed of disc bodies and disc edges, wherein circular through holes are formed in the centers of the inner sides of the disc bodies; annulargrating plates surrounding the circular through holes are arranged in the inner sides of the disc bodies; and a circular base plate is arranged on the lower end face of the annular inner base. According to the placing sieve for the gold spun emperor chrysanthemum drying, more uniform drying of the whole emperor chrysanthemum is realized without reversing materials, the adverse effects of petals scattering and flower holder separation cannot be caused, the shapes of the dried emperor chrysanthemum are complete, the product quality is stable and high, and the use is convenient.

Placing sieve for gold spun emperor chrysanthemum drying

The invention discloses a hot air penetrating outer circulation type coal sample dehumidifying device. The hot air penetrating outer circulation type coal sample dehumidifying device comprises a box, a controller, a fan, a partition plate and a gas heater, wherein the fan, the partition plate and the gas heater are arranged in the closed box. The partition plate divides the box into an upper cavity and a lower cavity, the top or the side of the upper cavity is provided with an air outlet, the bottom or the side of the lower cavity is provided with an air inlet, the fan is located at the position inside the upper cavity close to the air outlet, and the gas heater is located in the lower cavity. More than one coal sample disc for accommodating coal samples is placed on the partition plate, the bottom of each coal sample disc is provided with more than one ventilation hole, and a coal sample support for collecting falling samples is arranged below the coal sample disc. The hot air penetrating outer circulation type coal sample dehumidifying device has the advantages of being simple in structure, convenient to operate, high in dehumidifying efficiency, low in energy consumption and capable of improving sample preparation accuracy and the like.

Zhu Xiande

Papers

Hot air penetrating outer circulation type coal sample dehumidifying device