CN215314612U - Fume chamber for toxic chemistry experiments - Google Patents

Abstract

The utility model relates to the technical field of fume hoods, and discloses a fume hood for toxic chemistry experiments, which solves the problems that the common fume hood on the market at present can not carry out treatment such as filtration and the like when storing toxic chemical gases and can not protect gas collection bottles in the fume hood, and comprises a hood body, wherein a first storage groove is arranged in the middle of the hood body, an object placing groove is arranged at the upper position of the hood body, a through hole is arranged at the top of the object placing groove, the object placing groove is communicated with the first storage groove through the through hole, and a moving frame is arranged in the object placing groove in a sliding manner. Prevent the gas leakage caused by the damage of the gas collecting bottle.

Description

Fume chamber for toxic chemistry experiments

Technical Field

The utility model belongs to the technical field of fume hoods, and particularly relates to a fume hood for a toxic chemistry experiment.

Background

The fume hood is also called as a fume hood or a fume hood, is a large-scale device in a laboratory, particularly a chemical laboratory, is the most frequently used local exhaust device in the laboratory, has various types, has different structures and different use conditions, has different exhaust effects, and generally takes away harmful gas by using a fan, thereby reducing the contact between a laboratory user and the harmful gas, absorbing the harmful gas in the experimental process and protecting the laboratory user from experimental safety.

But common fume chamber is when absorbing toxic gas, only with gaseous siphoning away, still can harm human body and polluted environment after discharging moreover, can not carry out filtration treatment to toxic gas, then can put a lot of gas collection bottles in the fume chamber, the gas of collecting generally all can be equipped with in the gas collection bottle, common fume chamber can not protect the gas collection bottle, if the gas collection bottle topples over just can cause the gas leakage in the gas collection bottle, has certain danger.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a fume hood for toxic chemical experiments, which effectively solves the problems that the fume hood common in the market can not perform treatment such as filtration and the like when storing toxic chemical gases, and can not protect a gas collecting bottle in which gases are collected.

In order to achieve the purpose, the utility model provides the following technical scheme: a fume chamber for toxic chemistry experiments comprises a chamber body, wherein a first storage groove is formed in the middle of the chamber body, a storage groove is formed in the upper position of the chamber body, a through hole is formed in the top of the storage groove, the storage groove is communicated with the first storage groove through the through hole, a moving frame is slidably mounted in the storage groove, a filter screen and an active adsorption layer are fixedly mounted in the moving frame respectively, an exhaust hole is formed in the center of the top of the storage groove, a fan unit is fixedly mounted in the center of the top of the chamber body, the top end of the exhaust hole is communicated with the bottom end of the fan unit, a second storage groove is formed in the lower position of the chamber body, support plates are movably mounted in the second storage groove, slide rails are fixedly mounted on two sides of the two support plates, and one sides of the four slide rails, which are far away from the support plates, are fixedly mounted on the inner wall of the second storage groove, a plurality of grooves are formed in the tops of the two supporting plates, and each groove is internally provided with a gas collecting bottle.

Furthermore, two box cabinet doors are movably mounted at the opening of the second storage groove.

Further, a control part is fixedly arranged on one side of the cabinet body and at the opening of the first storage groove.

Furthermore, a handle is fixedly installed on the side surface of the movable frame.

Furthermore, the filter screen is positioned below the active adsorption layer.

Furthermore, the top of the storage groove is provided with a slope.

Compared with the prior art, the utility model has the beneficial effects that:

1) when absorbing the toxic gas in the first storage tank, firstly, the fan unit is required to operate, then, suction force is generated, the gas in the first storage tank is upwards sucked, the gas enters the inside of the storage tank after passing through the through hole, the gas in the storage tank firstly passes through the filter screen in the movable frame, the filter screen can filter impurities in the gas, the filtered gas passes through the active adsorption layer, the active carbon in the active adsorption layer can adsorb harmful substances in the gas, then the gas can enter the fan unit from the exhaust hole along the sliding slope at the top of the storage tank, and finally, the gas is discharged from the other end of the fan unit, the gas can be filtered and the harmful substances can be adsorbed when absorbing the gas, and the discharged gas is prevented from harming human health or polluting the environment;

2) the second storage tank can be opened by rotating the cabinet door, then the support plate is pulled outwards, the sliding rails on two sides of the support plate slide, and then the gas collecting bottle filled with gas is placed in the groove formed in the top of the support plate, so that even if the support plate shakes, the groove can also protect the gas collecting bottle, and the gas collecting bottle can be prevented from being toppled to cause gas leakage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the article holding trough and the movable rack of the present invention;

FIG. 4 is a schematic cross-sectional view of the interior of a second storage tank according to the present invention;

in the figure: 1. a cabinet body; 2. a first storage tank; 3. a cabinet door; 5. a movable frame; 6. a handle; 7. a fan unit; 8. a control unit; 9. a second storage tank; 10. a support plate; 11. a slide rail; 12. a gas collection bottle; 13. A storage groove; 14. an active adsorption layer; 15. a filter screen; 16. a through hole; 17. an exhaust hole; 18. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; 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.

In the first embodiment, as shown in fig. 1-4, the present invention includes a cabinet body 1, a first storage groove 2 is disposed in the middle of the cabinet body 1, a placement groove 13 is disposed near the upper portion of the cabinet body 1, a through hole 16 is disposed at the top of the placement groove 13, the placement groove 13 is communicated with the first storage groove 2 through the through hole 16, a moving frame 5 is slidably mounted inside the placement groove 13, a filter screen 15 and an active adsorption layer 14 are respectively fixedly mounted inside the moving frame 5, an exhaust hole 17 is disposed at the top center of the placement groove 13, a fan set 7 is fixedly mounted at the top center of the cabinet body 1, the top end of the exhaust hole 17 is communicated with the bottom end of the fan set 7, a second storage groove 9 is disposed near the lower portion of the cabinet body 1, a support plate 10 is movably mounted inside the second storage groove 9, slide rails 11 are fixedly mounted on both sides of the two support plates 10, and one sides of the four slide rails 11 away from the support plates 10 are fixedly mounted to the inner wall of the second storage groove 9, a plurality of grooves 18 are formed in the tops of the two support plates 10, and a gas collecting bottle 12 is arranged inside each groove 18.

In the second embodiment, on the basis of the first embodiment, two box cabinet doors 3 are movably installed at the opening of the second storage tank 9, so as to protect the gas collecting bottles 12 in the second storage tank 9.

In the third embodiment, on the basis of the first embodiment, a control part 8 is fixedly installed at one side of the cabinet body 1 and at the opening of the first storage tank 2, and is used for operating the device.

In the fourth embodiment, on the basis of the first embodiment, the handle 6 is fixedly installed on the side surface of the moving frame 5, so that the moving frame 5 in the storage tank 13 can be conveniently pulled out, and the filter screen 15 and the active adsorption layer 14 in the moving frame 5 can be cleaned or replaced.

In the fifth embodiment, on the basis of the first embodiment, the filter screen 15 is located below the active adsorption layer 14, and the toxic gas is firstly filtered, and then the active adsorption layer 14 is used to adsorb toxic substances contained in the gas.

Sixth embodiment, on the basis of first embodiment, the top of putting thing groove 13 is equipped with the slope, and the poisonous gas that conveniently is filtered and after the absorption gets into exhaust hole 17 and goes out.

In this embodiment: the type adopted by the fan set 7 is HZ-150.

The working principle is as follows: when absorbing the toxic gas in the first storage and holding groove 2, firstly, the fan unit 7 needs to be operated, then the suction force is generated to suck the gas in the first storage and holding groove 2 upwards, the gas is enabled to pass through the through hole 16 and then enter the inside of the holding groove 13, the gas in the holding groove 13 can firstly pass through the filter screen 15 in the movable frame 5, the filter screen 15 can filter impurities in the gas, the filtered gas passes through the active adsorption layer 14 again, the active carbon in the active adsorption layer 14 can adsorb harmful substances in the gas, then the gas can enter the fan unit 7 from the exhaust hole 17 along the sliding slope at the top of the holding groove 13, and finally the gas is discharged from the other end of the fan unit 7.

Through the cabinet door 3 of the cabinet body 1 bottom of rotating alright open the second and hold groove 9, then outside pulling the backup pad 10 in the second holds the groove 9, make the slide rail 11 of backup pad 10 both sides slide, then will be equipped with gaseous gas collection bottle 12 and put into the recess 18 that the backup pad 10 top was seted up, even if the backup pad 10 takes place to rock like this, the recess 18 at backup pad 10 top also can play certain guard action to gas collection bottle 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fume chamber for toxicity chemistry experiments, includes cabinet body (1), its characterized in that: the improved multifunctional wardrobe is characterized in that a first storage groove (2) is formed in the middle of the wardrobe body (1), an object placing groove (13) is formed in the position close to the upper portion of the wardrobe body (1), a through hole (16) is formed in the top of the object placing groove (13), the object placing groove (13) is communicated with the first storage groove (2) through the through hole (16), a movable frame (5) is slidably mounted inside the object placing groove (13), a filter screen (15) and an active adsorption layer (14) are fixedly mounted inside the movable frame (5) respectively, an exhaust hole (17) is formed in the center of the top of the object placing groove (13), a fan set (7) is fixedly mounted in the center of the top of the wardrobe body (1), the top of the exhaust hole (17) is communicated with the bottom end of the fan set (7), a second storage groove (9) is formed in the position close to the lower portion of the wardrobe body (1), a support plate (10) is movably mounted inside the second storage groove (9), two equal fixed mounting in both sides of backup pad (10) has slide rail (11), and four the equal fixed mounting in one side to the second of backup pad (10) is kept away from in slide rail (11) stores up the inner wall of holding groove (9), two a plurality of recess (18), every have all been seted up at the top of backup pad (10) the inside of recess (18) all is equipped with gas collection bottle (12).

2. A fume hood for toxic chemical experiments according to claim 1, wherein: two box cabinet doors (3) are movably mounted at the opening of the second storage groove (9).

3. A fume hood for toxic chemical experiments according to claim 1, wherein: one side of the cabinet body (1) and the opening of the first storage groove (2) are fixedly provided with a control part (8).

4. A fume hood for toxic chemical experiments according to claim 1, wherein: the side surface of the movable frame (5) is fixedly provided with a handle (6).

5. A fume hood for toxic chemical experiments according to claim 1, wherein: the filter screen (15) is positioned below the active adsorption layer (14).

6. A fume hood for toxic chemical experiments according to claim 1, wherein: the top of the storage groove (13) is provided with a slope.

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