CN209131248U - A laboratory chemical reagent drying device - Google Patents

Abstract

The utility model discloses a kind of use for laboratory chemical reagent drying devices, including drying box, the bosom of the drying box is equipped with thermally conductive air hose, the lower end of the thermally conductive air hose is equipped with the second drive pulley, the bottom right end of the drying box is welded with backup plate, the front end face of the backup plate is equipped with motor, and air blower is equipped in L bracket.This use for laboratory chemical reagent drying device, multiple chemical reagent can be dried, chemical reagent bottle is placed in reagent placement plate, start air blower and air heater, using air supply tube to feeding hot wind inside thermally conductive air hose, start motor simultaneously and drives the rotation of the first drive pulley, enable the second drive pulley that the ventilation hole on thermally conductive air hose is driven to rotate to uniform feeding hot wind inside drying box, so that chemical reagent drying is more uniform, the utility model, reagent preservation effect is good, and will not make moist denaturation, it is ensured that the accuracy of experimental data.

Description

A laboratory chemical reagent drying device

technical field

The utility model relates to the technical field of chemical reagent drying, in particular to a laboratory chemical reagent drying device.

Background technique

In chemical experiments, it is often necessary to dry these chemical reagents so that they will not deteriorate or meet the standard of use. However, in the prior art, usually a glass vessel is provided with a partition, below the partition. A desiccant for adsorbing moisture is provided, and a chemical reagent is placed on the partition, so that the volatilized water from the chemical reagent can be adsorbed by the desiccant, which can play a drying role, but because the process of allowing the chemical reagent to automatically volatilize water is very difficult. Slow; therefore, most of the existing drying devices are not very effective.

Utility model content

The purpose of the present invention is to provide a laboratory-use chemical reagent drying device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a laboratory chemical reagent drying device, comprising a drying box, and a heat-conducting air duct is arranged in the middle of the interior of the drying box, and the upper end of the heat-conducting air duct is connected with the bearing through a bearing. The top of the drying box is connected, the lower end of the heat-conducting air duct runs through the bottom of the drying box, and the bottom of the drying box and the heat-conducting air duct are also connected by bearings. The lower end of the heat-conducting air duct is a closed structure, and the A second drive pulley is installed on the lower end of the heat-conducting air duct, a backing plate is welded on the bottom right end of the drying box, a motor is installed on the front end of the backing plate, and a first drive pulley is installed on the output shaft of the motor, so the The first drive pulley and the second drive pulley are connected by a belt, the left and right inner walls of the heat-conducting air duct are evenly provided with ventilation holes from top to bottom, and the left side wall of the drying box is welded with an L-shaped bracket, and the L-shaped A blower is installed on the bracket, an air heater is connected to the air outlet of the blower, an air supply pipe located above the drying box is connected to the air heater, and the lower end of the air supply pipe is inserted into the upper end of the heat-conducting air pipe Inside, the left and right inner walls of the drying box are uniformly welded with four reagent placement plates from top to bottom, and four support rods are welded to the lower end surface of each of the reagent placement plates, and the inner walls of the four support rods are The bumps are welded, and the non-woven desiccant is overlapped on the top of the four bumps.

This setting can dry multiple chemical reagents, place the chemical reagent bottle on the reagent placing plate, start the blower and air heater, use the air supply pipe to send hot air into the heat conduction air pipe, and start the motor to drive the first transmission belt. The wheel rotates, so that the second drive pulley can drive the ventilation holes on the heat-conducting air duct to rotate and evenly send hot air into the drying box, so that the chemical reagents are dried more evenly. The setting of the non-woven desiccant can absorb the moisture escaping in the air, thereby further improving the drying efficiency of the drying device. The non-woven desiccant is placed on the four bumps. After time use, the box door can be opened to replace it.

Preferably, vertical plates are welded symmetrically on the upper end faces of the three lower reagent placement plates.

Preferably, air guide holes are evenly opened on the vertical plate.

Preferably, rectangular blocks are welded on the inner side walls of the upper ends of the two vertical plates, and an anti-tip plate is hinged on the rectangular blocks, and the anti-tip plates and the vertical plates are connected by a compression spring.

This setting prevents the chemical reagent bottle from tipping over when the chemical reagent bottle is placed on the reagent placing plate.

Preferably, an observation window is provided on the door of the drying box.

This observation window is convenient to observe the inside of the drying box.

Preferably, legs are welded to the lower ends of the left and right side walls of the drying box.

Preferably, a filter screen is installed at the air inlet of the blower.

Preferably, the diameter of the first transmission pulley is 10 mm larger than the diameter of the second transmission pulley.

Compared with the prior art, the beneficial effects of the utility model are: the chemical reagent drying device used in the laboratory can dry a plurality of chemical reagents, place the chemical reagent bottle on the reagent placing plate, start the blower and the air heater. , use the air supply duct to send hot air into the heat-conducting air duct, and start the motor to drive the first drive pulley to rotate, so that the second drive pulley can drive the ventilation holes on the heat-conducting air duct to rotate into the drying box. The drying of the reagent is more uniform, and the utility model has the advantages of good preservation effect of the reagent, no moisture denaturation, and ensures the accuracy of the experimental data.

The setting of the non-woven desiccant can absorb the moisture escaping in the air, thereby further improving the drying efficiency of the drying device. The non-woven desiccant is placed on the four bumps. After time use, the box door can be opened to replace it.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a schematic diagram of the internal structure of the utility model;

Fig. 3 is the structural schematic diagram of the anti-dumping plate and the vertical plate of the present invention;

FIG. 4 is a schematic view of the enlarged structure of the position A in FIG. 2 of the present utility model.

In the picture: 1 drying box, 2 air supply duct, 3 blower, 4 observation window, 5 support rod, 6 non-woven desiccant, 7 heat conduction air duct, 8 bumps, 9 ventilation holes, 10 rectangular blocks, 11 anti-dumping Plate, 12 compression spring, 13 second drive pulley, 14 belt, 15 air guide hole, 16 first drive pulley, 17 backing plate, 18 electric motor, 19 air heater, 20 reagent placement plate, 21 vertical plate.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: a laboratory chemical reagent drying device, comprising a drying box 1, and a heat-conducting air duct 7 is arranged in the middle of the interior of the drying box 1, and the heat-conducting air The upper end of the pipe 7 is connected with the top of the drying box 1 through a bearing, the lower end of the heat-conducting air duct 7 runs through the bottom of the drying box 1, and the bottom of the drying box 1 and the heat-conducting air duct 7 are also connected by a bearing. The lower end of the heat-conducting air duct 7 is a closed structure, the lower end of the heat-conducting air duct 7 is installed with a second transmission pulley 13, the bottom right end of the drying box 1 is welded with a backing plate 17, and the front end of the backing plate 17 is installed There is an electric motor 18, the output shaft of the electric motor 18 is provided with a first transmission pulley 16, the first transmission pulley 16 and the second transmission pulley 13 are connected by a belt 14, and the left and right inner walls of the heat-conducting air duct 7 A ventilation hole 9 is evenly opened from the bottom, an L-shaped bracket is welded on the left side wall of the drying box 1, and a blower 3 is installed on the L-shaped bracket, and an air heater 19 is connected to the air outlet of the blower 3, so The air heater 19 is connected with an air supply pipe 2 located above the drying box 1, and the lower end of the air supply pipe 2 is inserted inside the upper end of the heat conduction air pipe 7, and the left and right inner walls of the drying box 1 are uniform from top to bottom. Four reagent placement plates 20 are welded, four support rods 5 are welded to the lower end surface of each reagent placement plate 20, and bumps 8 are welded to the inner side walls of the four support rods 5. A non-woven desiccant 6 is overlapped above the bumps 8 .

Specifically, vertical plates 21 are welded symmetrically on the upper end surfaces of the three reagent placement plates 20 below.

Specifically, the vertical plate 21 is evenly provided with air guide holes 15 .

Specifically, a rectangular block 10 is welded to the inner side walls of the upper ends of the two vertical plates 21, and an anti-dump plate 11 is hinged on the rectangular block 10, and the anti-dump plate 11 and the vertical plate 21 are connected by a compression spring 12.

Specifically, an observation window 4 is provided on the door of the drying box 1 .

Specifically, legs are welded to the lower ends of the left and right side walls of the drying box 1 .

Specifically, a filter screen is installed at the air inlet of the blower 3 .

Specifically, the diameter of the first transmission pulley 16 is 10 mm larger than the diameter of the second transmission pulley 13 .

In specific use, a plurality of chemical reagents can be dried, the chemical reagent bottles are placed on the reagent placing plate 20, the blower 2 and the air heater 19 are started, and the air supply duct 2 is used to send hot air into the heat conduction air duct 7, and at the same time The starter motor 18 drives the first drive pulley 16 to rotate, so that the second drive pulley 13 can drive the ventilation holes 9 on the heat-conducting air duct 7 to rotate and send hot air into the drying box 1, so that the chemical reagents are dried more uniformly. The preservation effect is good, and it will not be denatured by moisture to ensure the accuracy of the experimental data.

The setting of the non-woven fabric desiccant 6 can absorb the moisture escaping in the air, thereby further improving the drying efficiency of the drying device. The non-woven fabric desiccant 6 is placed on the four bumps 8. After the agent 6 is used for a long time, the door of the box can be opened to replace it.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. a kind of use for laboratory chemical reagent drying device, including drying box (1), it is characterised in that: the drying box (1) it is interior Thermally conductive air hose (7) are equipped among portion, the upper end of the thermally conductive air hose (7) is connect by bearing with the top of drying box (1), described The lower end of thermally conductive air hose (7) run through drying box (1) bottom, and between the bottom of drying box (1) and thermally conductive air hose (7) also by Bearing is attached, and the lower end of the thermally conductive air hose (7) is enclosed construction, and the lower end of the thermally conductive air hose (7) is equipped with The bottom right end of two drive pulleys (13), the drying box (1) is welded with backup plate (17), the front end face installation of the backup plate (17) Have motor (18), is equipped with the first drive pulley (16) on the output shaft of the motor (18), first drive pulley (16) it is attached with the second drive pulley (13) by belt (14), the left and right inner wall of the thermally conductive air hose (7) is from top to bottom It is uniformly provided with ventilation hole (9), the left side wall of the drying box (1) is welded with L bracket, and air blast is equipped in L bracket Machine (3) is connected with air heater (19) at the air outlet of the air blower (3), is connected on the air heater (19) Air supply tube (2) above drying box (1), and the lower end of air supply tube (2) is plugged on inside the upper end of thermally conductive air hose (7), institute Stating the left and right inner wall of drying box (1), there are four reagent placement plate (20), each reagent placement plates for uniform welding from top to bottom (20) lower end surface is welded there are four support rod (5), and the inner sidewall of four support rods (5) is welded with convex block (8), Non-woven fabrics desiccant (6) are overlapped with above four convex blocks (8).

2. a kind of use for laboratory chemical reagent drying device according to claim 1, it is characterised in that: described in lower section three The upper surface bilateral symmetry of reagent placement plate (20) is welded with vertical plate (21).

3. a kind of use for laboratory chemical reagent drying device according to claim 2, it is characterised in that: the vertical plate (21) On be uniformly provided with air-guiding hole (15).

4. a kind of use for laboratory chemical reagent drying device according to claim 2, it is characterised in that: two vertical plates (21) upper end inner sidewall welds rectangular block (10), is hinged with anti-dumping a kind of rhyme scheme in Chinese operas serving as the prelude to a complete score for voices (11), the anti-dumping on the rectangular block (10) A kind of rhyme scheme in Chinese operas serving as the prelude to a complete score for voices (11) and vertical plate (21) are attached by compressed spring (12).

5. a kind of use for laboratory chemical reagent drying device according to claim 1, it is characterised in that: the drying box (1) chamber door is equipped with observation window (4).

6. a kind of use for laboratory chemical reagent drying device according to claim 1, it is characterised in that: the drying box (1) left and right sidewall lower end is welded with supporting leg.

7. a kind of use for laboratory chemical reagent drying device according to claim 1, it is characterised in that: the air blower (3) air inlet is equipped with filter screen.

8. a kind of use for laboratory chemical reagent drying device according to claim 1, it is characterised in that: first transmission The diameter of belt wheel (16) is 10 millimeters bigger than the diameter of the second drive pulley (13).