CN216324084U - Fume chamber is used in laboratory with collecting vat - Google Patents

Abstract

The utility model provides a laboratory fume hood with a collecting groove, relates to the technical field of fume hoods, solves the problem of unreasonable ventilation of a multi-chamber fume hood, comprises a hood body, an air inlet cover and a storage cabinet, wherein the air inlet cover is arranged at the top of the hood body and used for conveying air into the hood body, the storage cabinet is arranged at the bottom of the hood body, a partition board is arranged between the cabinet body and the storage cabinet, a left object placing cavity and a right object placing cavity are respectively arranged in each first object placing board, a plurality of vent holes are arranged on the bottom surfaces of the inner cavities of the collecting groove and the object placing cavities, an air port is arranged between two object placing cavities in each first object placing plate, because the air port is arranged in the middle of the first object placing plate and corresponds to the lower part of the air inlet cover, the air channel is narrowed when the air passes through the air port, therefore, the air pressure is increased, the air velocity is increased when the air passes through the partition plate to diffuse the air to the instruments in the storage cabinet, and the peculiar smell on the surfaces of the instruments can be reasonably dispersed.

Description

Fume chamber is used in laboratory with collecting vat

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a fume hood with a collecting groove for a laboratory.

Background

The fume chamber is the necessary storing compartment in the laboratory, and the most main exhaust function in the function of fume chamber, in the chemistry experiment room, produce various harmful gas, foul smell, moisture and easily fire, explosive, corrosive substance during experimental operation, realize the ventilation exhaust after depositing in order to make the laboratory utensil, pollution abatement when making the operator use next time, consequently can set up the structure of ventilating in the fume chamber. The existing ventilation structure adopts a single-air-channel air inlet mode, the ventilation direction is single, and the single-air-channel air inlet mode is adopted, so that air cannot reasonably enter another cabinet cavity from one cabinet cavity, and the single-air-channel air inlet mode of the cabinet body can influence the ventilation effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a laboratory fume hood with a collecting tank, so that gas entering a cabinet body can flow in multiple directions, and the ventilation effect of a multi-chamber cabinet body is improved.

The technical scheme includes that the laboratory ventilation cabinet with the collecting groove comprises a cabinet body, an air inlet cover and a storage cabinet, wherein the air inlet cover is arranged at the top of the cabinet body and used for conveying air into the cabinet body, the storage cabinet is arranged at the bottom of the cabinet body, a partition plate is arranged between the cabinet body and the storage cabinet, the collecting groove is arranged on the partition plate and inclines towards two sides from the middle, at least two first object placing plates are further arranged in the cabinet body from top to bottom, a left object placing cavity and a right object placing cavity are respectively arranged in each first object placing plate, a plurality of vent holes are further formed in the bottom surfaces of the inner cavities of the collecting groove and the object placing cavities, an air port is formed between the two object placing cavities in each first object placing plate, the opening direction of the air port corresponds to the bottom side of the air inlet cover, and the size of the air inlet cover is larger than that of the air port.

Preferably, the inclination angle of the storage cavity is consistent with the structure of the collecting tank, the gas port is also formed in the middle of the collecting tank, a lower spraying seat communicated with the gas of the vent hole in the collecting tank is embedded on the inclined plane of the bottom of the separation plate, a second storage plate corresponding to the lower part of the separation plate is further arranged in the storage cabinet, and the lower spraying seat corresponds to the upper part of the second storage plate.

Preferably, the left inner wall surface and the right inner wall surface of the inner cavity of the cabinet body are respectively provided with an upper spraying seat, the upper spraying seats are connected with the air inlet hood through hoses, one upper spraying seat is provided with a lower sprayer positioned below the first object placing plate at the bottommost layer, and the other upper spraying seat is provided with an upper sprayer positioned above the first object placing plate at the highest layer.

Preferably, a gap is left between the second storage plate and the bottom surface of the inner cavity of the storage cabinet.

Preferably, air outlet holes are further embedded in the rear wall surfaces of the cabinet body and the storage cabinet.

Compared with the prior art, the utility model has the advantages that the air entering the cabinet body from the air inlet hood is sprayed on the first object placing plate and is collected by the object placing cavity on the object placing plate and then fed back to the experimental instrument to realize ventilation, because the air port is arranged in the middle of the first object placing plate, the part of air continuously surges downwards through the air port and is collected by the collecting tank on the separating plate, the part of air recoils upwards again, the instrument placed on the first object placing plate diffuses upwards from the bottom, the other part of air enters the bottom storage cabinet through the vent hole on the collecting tank, other instruments in the storage cabinet can also perform gas diffusion treatment, because the air port is arranged in the middle of the first object placing plate and corresponds to the lower part of the air inlet hood, the air passage narrows when the air passes through the air port, the air pressure is increased, and the air passes through the separating plate to diffuse the instruments in the storage cabinet, the air flow speed is increased, so that the odor on the surface of the instrument can be reasonably dispersed.

Drawings

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

FIG. 2 is a schematic structural view of the present invention taken from FIG. 1 with the cabinet door removed;

fig. 3 is a schematic structural diagram of the present invention from the rotational perspective shown in fig. 2.

In the figure: 1. a cabinet body; 2. an air intake hood; 3. a storage cabinet; 4. a partition plate; 5. collecting tank; 6. a first object placing plate; 7. a storage cavity; 8. a gas port; 9. a vent hole; 10. a second storage plate; 11. a lower spray seat; 12. an upper spraying seat; 13. a lower nozzle; 14. an upper spray head; 15. and an air outlet.

Detailed Description

The technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3.

This embodiment provides a fume chamber is used in laboratory with collecting vat, including the cabinet body 1, set up 1 top of the cabinet body and be used for to the internal air inlet hood 2 of air delivery of cabinet 1 and set up the storage cabinet 3 in 1 bottom of the cabinet body, be equipped with division board 4 between the cabinet body 1 and the storage cabinet 3, be equipped with on division board 4 by the middle part to the collecting vat 5 of both sides slope, the internal at least two first thing board 6 of putting of still being equipped with of cabinet from the top down, each first thing board 6 of putting that puts respectively is equipped with about two places puts thing chamber 7, collecting vat 5 and put all still seted up a plurality of and the gaseous communicating air vent 9 of the cabinet body 1 on the inner chamber bottom surface of thing chamber 7, each first two places of putting in the thing board 6 of putting has seted up gas port 8 between the thing chamber 7, and the opening direction of gas port 8 corresponds the bottom side at air inlet hood 2, the air inlet size of the cover that admits air is greater than gas port 8.

In this embodiment, an external air source is connected to the air inlet hood 2, the external air source may be a blower, air flows from the air inlet hood 2 into the cabinet body 1 and spreads over the first object placing plate 6, firstly, the laboratory instruments placed on the first object placing plate 6 are ventilated and processed, odor on the surfaces of the instruments is discharged downwards through the vent holes 9, wherein a part of the air is directly collected through the vent holes 8 and then discharged downwards into the collecting tank 5 at the bottom, and a part of the air is back blown to the first object placing plate 6 again after being collected by the collecting tank 5, so that the bottom surfaces of the instruments stored on the first object placing plate 6 are processed by the air, and another part of the air collected by the collecting tank 5 passes through the collecting tank 5, the vent holes 9 on the collecting tank 5 and the vent holes 8 in the middle of the collecting tank 5 and is discharged into the storage cabinet 3 at the bottom, so that the odor on the surfaces of the instruments in the storage cabinet 3 can also be reasonably dispersed, can be simultaneously satisfied with the double-cabin type ventilation cabinet.

The inclination angle of the object placing cavity 7 is consistent with the structure of the collecting tank 5, the object placing cavity structure forms a gas collecting effect, the inclined plane is arranged to enable the instrument to be in an inclined state when being placed, if residual water drops exist on the surface of the instrument when being cleaned, the water drops are placed in an inclined way to be convenient for flowing out from the surface of the object placing cavity and then being discharged downwards through the vent hole 9, the purpose of controlling water and discharging water is achieved, a lower spraying seat 11 which is in gas communication with the vent hole 9 on the collecting tank 5 is embedded on the inclined plane at the bottom of the partition plate 4, a second object placing plate 10 which corresponds to the lower part of the partition plate 4 is further arranged in the storage cabinet 3, the lower spraying seat 11 corresponds to the upper part of the second object placing plate 10, when the lower spraying seat 11 sprays gas downwards, the gas tends to be blown to two ends of the second object placing plate 10 due to the inclined plane pattern, and then the reverse blowing effect is formed after the connection part of the second object placing plate 10 and the inner wall surface of the storage cabinet 3 stops, so as to improve the impact force of the gas, make the gas act on the instrument better, and the lower spraying seat 11 has reasonable structure.

An upper spraying seat 12 is arranged on the left inner wall surface and the right inner wall surface of the inner cavity of the cabinet body 1, the upper spraying seat 12 is connected with the air inlet cover 2 through a hose, a lower spray head 13 positioned below the first object placing plate 6 at the bottommost layer is arranged on the upper spraying seat 12 at one position, an upper spray head 14 positioned above the first object placing plate 6 at the highest layer is arranged on the upper spraying seat 12 at the other position, besides the direct blowing of instruments on the first object placing plate 6, a part of air is blown onto the lower spray head 13 and the upper spray head 14 through the hose, the air sprayed by the lower spray head 13 is upwards sprayed from the bottom of the first object placing plate 6, so that the instruments in the object placing cavity 7 at one side on the first object placing plate 6 achieve the purpose of upwards dispersing from the lower part, the air sprayed by the upper spraying seat 12 is downwards sprayed from the upper part of the first object placing plate 6, so that the instruments in the object placing cavity 7 at the other side on the first object placing plate 6 achieve the purpose of downwards dispersing from the upper part, the size of the air inlet hood 2 is larger than that of the air port 8, so that air entering from the air inlet hood 2 directly blows the first object placing plate 6 downwards, instruments in the object placing cavities 7 on two sides of the first object placing plate 6 can be uniformly blown downwards from top to bottom, and therefore the instruments placed on the first object placing plate 6 can achieve the purposes of quickly dispersing air and removing peculiar smell.

The cabinet body 1 still inlays with venthole 15 with the back wall of storage cabinet 3, when the in-service use, is connected the outlet duct to on venthole 15, makes the inside peculiar smell gas of cabinet outwards discharge through the trachea on the venthole 15.

The above embodiments further explain the objects, aspects, and advantages of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the utility model, may occur to those skilled in the art and are intended to be included within the scope of the utility model.

Claims (5)

1. The utility model provides a fume chamber is used in laboratory with collecting vat, includes the cabinet body (1), sets up the air inlet cover (2) and the setting that the cabinet body (1) top is used for to the internal air delivery of cabinet (1) are in cabinet (3) of the cabinet body (1) bottom, its characterized in that: be equipped with division board (4) between the cabinet body (1) and storage cabinet (3), be equipped with collecting vat (5) by middle part to both sides slope on division board (4), still be equipped with at least two first thing boards (6) of putting from the top down in the cabinet body (1), each first thing board (6) of putting of department respectively is equipped with about two places and puts thing chamber (7), collecting vat (5) with all still seted up a plurality of air vent (9) on putting the inner chamber bottom surface of thing chamber (7), two places in each first thing board (6) of putting are put and are offered gas port (8) between thing chamber (7), and the opening direction of gas port (8) corresponds in the bottom side of admitting air cover (2), and the air inlet size of the gas cover (2) of admitting air is greater than the size of gas port (8).

2. The laboratory fume hood with a collecting tank according to claim 1, wherein the inclination angle of the storage cavity (7) is consistent with the structure of the collecting tank (5), the middle part of the collecting tank (5) is also provided with an air port (8), a lower spray seat (11) which is in gas communication with an air vent (9) on the collecting tank (5) is embedded on the inclined plane at the bottom of the partition plate (4), a second storage plate (10) which corresponds to the lower part of the partition plate (4) is further arranged in the storage cabinet (3), and the lower spray seat (11) corresponds to the upper part of the second storage plate (10).

3. The laboratory fume hood with a collecting tank according to claim 2, wherein the left and right inner wall surfaces of the inner cavity of the cabinet body (1) are provided with an upper spray seat (12), the upper spray seat (12) is connected with the air inlet hood (2) through a hose, a lower spray head (13) positioned below the first object placing plate (6) at the bottommost layer is arranged on one upper spray seat (12), and an upper spray head (14) positioned above the first object placing plate (6) at the highest layer is arranged on the other upper spray seat (12).

4. Laboratory fume hood with collecting gutter according to claim 2, characterized in that a gap is left between the second storage plate (10) and the bottom of the interior of the storage bin (3).

5. Laboratory fume hood with collecting gutter according to claim 1, characterized in that the rear walls of the cabinet body (1) and the storage bin (3) are also embedded with air outlet holes (15).

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