CN215314637U - Fume chamber for laboratory chemical articles for use - Google Patents

Abstract

The utility model discloses a ventilation cabinet for laboratory chemical products, which comprises a supporting seat and a chemical storage cabinet, wherein the bottom end surface of the supporting seat is provided with pulleys; the chemical storage cabinet is characterized in that a cover plate is covered on the top end face of the supporting seat, a chemical storage cabinet with a through bottom end face is mounted at the top end of the cover plate, a first transfer groove and a second transfer groove are respectively formed in two opposite sides of the top end face of the supporting seat, through grooves are formed in positions of the cover plate corresponding to the first transfer groove and the second transfer groove, activated carbon is contained in the second transfer groove, an exhaust pipe communicated with the inside of the second transfer groove is connected to the side wall of the supporting seat through a flange, air inlets communicated with the outside of the supporting seat are formed in two sides of the first transfer groove, and fans are mounted in the air inlets; one end face of the chemical storage cabinet is provided with a cabinet door. This fume chamber for laboratory chemistry articles for use, ventilation effect is good, and has the air purification function, easily promotes.

Description

Fume chamber for laboratory chemical articles for use

Technical Field

The utility model belongs to the technical field of laboratory instruments and equipment, and particularly relates to a ventilation cabinet for laboratory chemical products.

Background

Laboratories, i.e. the places where tests are performed, are the base of scientific research. Laboratory ventilation is an integral part of laboratory design and should provide a well ventilated environment in the laboratory in order for laboratory workers not to inhale or swallow some toxic, potentially pathogenic or non-toxic chemicals and organisms.

At present, some poisonous and harmful chemicals in the laboratory are stored in the fume hood more, but the ventilation effect of the existing fume hood is general, and in the ventilation process, impurities in the air easily pollute the chemicals, and the poisonous and harmful gases emitted by the chemicals simultaneously easily pollute the experimental environment, so further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fume hood for laboratory chemical products, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a ventilation cabinet for laboratory chemical products comprises a supporting seat with pulleys on the bottom end surface and a chemical storage cabinet positioned above the supporting seat;

supporting seat top end face lid is equipped with the apron, the penetrating chemicals storage cabinet of bottom face is installed on the apron top, first transfer groove and second transfer groove have been seted up respectively to the relative both sides of supporting seat top end face, the apron all has seted up logical groove with the position that first transfer groove and second transfer groove correspond, the active carbon has been equipped with greatly to second transfer inslot portion, be connected with the exhaust pipe with second transfer inslot portion intercommunication through the ring flange on the supporting seat lateral wall, the air intake with the outside intercommunication of supporting seat is seted up to the both sides in first transfer groove, installs the fan in the air intake.

In a further embodiment, a cabinet door is arranged on one end face of the chemical storage cabinet, frame plates are mounted inside the chemical storage cabinet through metal sliding rails, and the frame plates are provided with multiple layers.

In a further embodiment, a hollow box is covered at one end of the air inlet close to the first transit tank, and air purifying agents are contained in the hollow box.

In a further embodiment, a filter screen is arranged on one side of the interior of the air inlet, which is far away from the first transit trough.

In a further embodiment, the through grooves are internally provided with a separation net, and the top end surfaces of the cover plates on the opposite sides of the two through grooves are respectively provided with a baffle plate.

In a further embodiment, the four corners of the bottom end surface of the cover plate are provided with limit insertion rods, and the supporting seat is provided with limit holes for the insertion of the limit insertion rods.

In a further embodiment, a bolt penetrates through the side of the cover plate, and a threaded hole matched with the bolt is formed in the supporting seat.

The utility model has the technical effects and advantages that: according to the ventilation cabinet for the chemical articles in the laboratory, the fan drives the outside air to enter the chemical storage cabinet through the air inlet and the first transfer groove, and then the outside air is discharged through the second transfer groove and the exhaust pipe, so that airflow circulation is formed in the chemical storage cabinet, and a storage environment with good ventilation performance is provided for the chemicals; at the in-process of air current circulation, utilize the air purification agent in filter screen and the fretwork box, can carry out filtration purification to the air that gets into the chemical storage cabinet, prevent that impurity in the air from causing the pollution to chemical, through the inside active carbon of second transfer inslot portion, can adsorb the processing to poisonous and harmful gas or the material that stores the cabinet along with the air current discharge chemical, avoid causing the surrounding environment pollution. This fume chamber for laboratory chemistry articles for use, ventilation effect is good, and has the air purification function, easily promotes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a supporting seat structure according to the present invention;

FIG. 3 is a schematic view of the cover plate structure of the present invention;

fig. 4 is a schematic view of the internal structure of the first transfer slot of the present invention.

In the figure: the chemical storage cabinet comprises a support seat 1, a cover plate 2, a chemical storage cabinet 3, a frame plate 4, a cabinet door 5, an exhaust pipe 6, a first transfer groove 7, an air inlet 8, a second transfer groove 9, active carbon 10, a flange plate 11, a limiting hole 12, a through groove 13, a separation net 14, a baffle plate 15, a limiting inserted rod 16, a bolt 17, a hollow box 18, a fan 19 and a filter screen 20.

Detailed Description

The present invention is described in detail with reference to the drawings, but the scope of the present invention is not limited to the following embodiments, and all simple equivalent changes and modifications made by the claims and the contents of the specification of the present invention are still within the scope of the present invention.

In order to improve the ventilation effect, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, a cover plate 2 is covered on the top end surface of a support seat 1, a chemical storage cabinet 3 with a through bottom end surface is installed on the top end of the cover plate 2, a first transfer groove 7 and a second transfer groove 9 are respectively arranged on two opposite sides of the top end surface of the support seat 1, through grooves 13 are respectively arranged at positions of the cover plate 2 corresponding to the first transfer groove 7 and the second transfer groove 9, an exhaust pipe 6 communicated with the inside of the second transfer groove 9 is connected to the side wall of the support seat 1 through a flange 11, air inlets 8 communicated with the outside of the support seat 1 are arranged on two sides of the first transfer groove 7, fans 19 are installed in the air inlets 8, the fans 19 in the air inlets 8 are started to suck outside air into the first transfer groove 7, the air is sent into the chemical storage cabinet 3 through the through grooves 13 corresponding to the first transfer groove 7, and then is exhausted through the second transfer groove 9 by the exhaust pipe 6, airflow circulation is formed in the chemical storage cabinet 3 to provide a storage environment with good ventilation performance for the chemicals,

in order to prevent the surrounding environment and chemicals from being polluted, as shown in fig. 2, 3 and 4, the second transit tank 9 is internally filled with activated carbon 10 which can adsorb toxic and harmful gases or substances discharged out of the chemical storage cabinet 3 along with the airflow to avoid the pollution of the surrounding environment, one end of the air inlet 8 close to the first transit tank 7 is covered with a hollow box 18, and the hollow box 18 is filled with an air purifying agent which is an existing product and is used for purifying the air entering the storage cabinet 3; a filter screen 20 is arranged on one side of the inside of the air inlet 8, which is far away from the first transit trough 7, and is used for filtering impurities in the air; through being equipped with in the groove 13 and separating net 14, being located two and all being equipped with baffle 15 on the apron 2 top face of groove 13 one side in opposite directions, can prevent that chemical from dropping to in first transfer groove 7 and the second transfer groove 9.

In order to use conveniently, a cabinet door 5 is arranged on one end face of the chemical storage cabinet 3, a frame plate 4 is mounted inside the chemical storage cabinet 3 through a metal sliding rail, the frame plate 4 is provided with multiple layers and used for storing toxic and harmful chemicals in a classified mode, the metal sliding rail can be used for facilitating drawing of the frame plate 4 and taking of the chemicals conveniently; limiting insertion rods 16 are arranged at four corners of the bottom end face of the cover plate 2, and limiting holes 12 for the insertion of the limiting insertion rods 16 are formed in the supporting seat 1 and used for limiting and fixing the cover plate 2; the bolt 17 is worn to be equipped with by the avris of apron 2, offer on the supporting seat 1 with the screw hole of bolt 17 adaptation, be connected apron 2 and supporting seat 1 through bolt 17, can make things convenient for apron 2 dismantlement to be convenient for change the active carbon 10 in the second transfer groove 9.

The working principle is as follows: when the ventilation cabinet for the laboratory chemical articles is used, toxic and harmful chemicals can be placed on the multilayer frame plates in the chemical storage cabinet 3 in a classified mode, and the cabinet door 5 is closed to seal, so that the pollution to the surrounding environment is prevented; start fan 19 in the air intake 8, inhale the outside air in first transfer tank 7, in logical groove 13 that sees through and correspond with first transfer tank 7 sends into chemical and stores cabinet 3, discharge by exhaust pipe 6 through second transfer tank 9 afterwards, store cabinet 3 inside formation air current circulation at the chemical, provide the storage environment that ventilation performance is good for the chemical, and in the air current circulation process, utilize the air purifying agent in filter screen 20 and the fretwork box 18, can carry out filtration purification to the air that gets into chemical and store cabinet 3, prevent that impurity in the air from leading to the fact the pollution to chemical, through the inside active carbon 10 of second transfer tank 9, can adsorb the poisonous and harmful gas or the material of chemical storage cabinet 3 along with the air current discharge, avoid causing the surrounding environment pollution. This fume chamber for laboratory chemistry articles for use, ventilation effect is good, and has the air purification function, easily promotes.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. A ventilation cabinet for laboratory chemical products comprises a supporting seat (1) with pulleys on the bottom end surface and a chemical storage cabinet (3) positioned above the supporting seat (1);

the method is characterized in that: supporting seat (1) top end face lid is equipped with apron (2), apron (2) top is installed the penetrating chemicals of bottom face and is stored cabinet (3), first transfer tank (7) and second transfer tank (9) have been seted up respectively to supporting seat (1) top end face relative both sides, logical groove (13) have all been seted up with the position that first transfer tank (7) and second transfer tank (9) correspond to apron (2), the inside splendid attire of second transfer tank (9) has active carbon (10), be connected with exhaust pipe (6) with the inside intercommunication of second transfer tank (9) through ring flange (11) on supporting seat (1) lateral wall, air intake (8) with supporting seat (1) outside intercommunication are seted up to the both sides of first transfer tank (7), install fan (19) in air intake (8).

2. The fume hood for laboratory chemical supplies according to claim 1, wherein: the utility model discloses a chemistry article storage cabinet, including cabinet (3), frame plate (4) are installed through the metal slide rail to the chemistry article storage cabinet one end face of cabinet (3) is equipped with cabinet door (5), the chemistry article is stored cabinet (3) inside, frame plate (4) are equipped with the multilayer.

3. The fume hood for laboratory chemical supplies according to claim 2, wherein: one end of the air inlet (8) close to the first transit tank (7) is covered with a hollow box (18), and air purifying agents are contained in the hollow box (18).

4. The fume hood for laboratory chemical supplies according to claim 3, wherein: and a filter screen (20) is arranged on one side of the interior of the air inlet (8) far away from the first transit tank (7).

5. The fume hood for laboratory chemical supplies according to claim 4, wherein: the novel solar cell is characterized in that a separation net (14) is arranged in the through grooves (13), and baffles (15) are arranged on the top end faces of the cover plates (2) on the opposite sides of the through grooves (13).

6. The fume hood for laboratory chemical supplies according to claim 5, wherein: the four corners of the bottom end face of the cover plate (2) are provided with limiting insertion rods (16), and the supporting seat (1) is provided with limiting holes (12) for the insertion of the limiting insertion rods (16).

7. The fume hood for laboratory chemical supplies according to claim 6, wherein: the bolt (17) is arranged on the side of the cover plate (2) in a penetrating mode, and a threaded hole matched with the bolt (17) is formed in the supporting seat (1).

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