CN215998002U - Laboratory fume chamber with air purification function - Google Patents

Abstract

The utility model relates to a fume chamber technical field, and a laboratory fume chamber with air purification function is disclosed, the intelligent cabinet temperature adjusting device comprises a cabinet body, the same suction hood of top inner wall through many spliced poles fixedly connected with of the cabinet body, the filter tank has been seted up to the top front side of the cabinet body, filter screen frame is equipped with in the filter tank interpolation, the front end fixedly connected with of filter screen frame keeps off the baffle at cabinet body front side, supreme filter pulp of being equipped with in proper order is down followed in the filter screen frame, active carbon adsorption layer and quartz sand layer, the upper end front side symmetry joint of the cabinet body has two crimping L shape crimping boards outside the baffle, through the positioning mechanism joint between the vertical portion of L shape crimping board and the baffle, suction pipe and filter tank intercommunication are passed through to the upper end of suction hood, the fixed intercommunication in top of the cabinet body has the exhaust pipe, be equipped with the exhaust fan on the exhaust pipe, the fixed upper end of installing at the cabinet body of exhaust fan. This application makes the fume chamber have the efficient air purification function, avoids the direct emission of waste gas to cause environmental pollution's problem.

Description

Laboratory fume chamber with air purification function

Technical Field

The application relates to the technical field of fume hoods, in particular to a laboratory fume hood with an air purification function.

Background

The laboratory bench is as the essential equipment in laboratory, is mainly used for carrying out the workstation of experimental operation, and is high to the requirement of mesa panel, should have corrosion-resistant, heat resistance, and bearing capacity is strong, and is antibiotic, and be enough good to the absorption performance of liquid, should still add the fume chamber to the chemical laboratory bench, prevent poisonous and harmful gas's piling up, reduce poisonous and harmful gas's concentration.

Present fume chamber can be with the quick exhaust department laboratory of discharging of waste gas in the experimental operation, but direct emission can cause great pollution to external environment, especially to the harmful gas of some productions, has aggravated ambient environmental pollution, can not be fine satisfies the emission demand.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve among the prior art direct discharge can cause great pollution to external environment, especially to the harmful gas of some productions, has aggravated the environmental pollution on every side, the problem that can not be fine satisfies the emission demand, and the laboratory fume chamber with air purification function that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a laboratory fume chamber with air purification function, includes the cabinet body, the top inner wall of the cabinet body is through the same suction hood of many spliced poles fixedly connected with, the filter tank has been seted up to the top front side of the cabinet body, the filter screen frame has been inserted to the filter tank, the front end fixedly connected with fender of filter screen frame is at the baffle of cabinet body front side, supreme filter pulp, active carbon adsorption layer and the quartz sand layer of being equipped with in proper order down follows in the filter screen frame, the upper end front side symmetry joint of the cabinet body has two crimping L shape crimping boards outside the baffle, through the positioning mechanism joint between the vertical portion of L shape crimping board and the baffle, suction hood's upper end is passed through suction pipe and filter tank intercommunication, the fixed intercommunication in top of the cabinet body has the exhaust pipe, be equipped with the exhaust fan on the exhaust pipe, the fixed upper end of installing at the cabinet body of exhaust fan.

Preferably, the upper end of the cabinet body is fixedly connected with T-shaped clamping blocks on two opposite sides, and the side wall of the L-shaped crimping plate is provided with a T-shaped clamping groove matched and clamped with the T-shaped clamping blocks.

Preferably, positioning mechanism includes that many activities are inserted and are established the locating lever of L shape crimping board front side, a plurality of constant head tanks of pegging graft with the locating lever matching are seted up in the outside of baffle, many the same location arm-tie of front end fixedly connected with of locating lever, the relative one side fixedly connected with of location arm-tie and L shape crimping board is a plurality of the positioning spring of establishing outside many locating levers of cover respectively.

Preferably, the bottom of the cabinet body corresponding to the filter tank is provided with an embedded tank for inserting the filter screen frame.

Preferably, one side of the baffle close to the cabinet body is fixedly connected with a layer of sealing rubber gasket.

Preferably, the draft hood has a trapezoidal structure.

Compared with the prior art, the application provides a laboratory fume chamber with air purification function, possesses following beneficial effect:

1. this laboratory fume chamber with air purification function, through the filter-tank that is equipped with, the exhaust fan passes through the exhaust pipe and forms the negative pressure suction to the filter-tank in, and then carries out quick discharge through exhaust column cooperation suction hood with the waste gas that produces, waste gas is earlier through in the filter-tank, through filtering cotton, activated carbon adsorption layer and quartz sand layer carry out multiple exhaust-gas treatment and filter, make the fume chamber have efficient air purification function, avoid the direct problem that causes environmental pollution of discharging of waste gas.

2. This laboratory fume chamber with air purification function, baffle and L shape crimping board through being equipped with, can pack the quick location in the filter-tank with inlaying the grafting of establishing the groove through the filter screen frame, the baffle is contradicted in the outside of the cabinet body this moment, the matching joint through T shape fixture block and T shape draw-in groove makes L shape crimping board quick connection in the outside of the cabinet body, and make L shape crimping board crimping realize the firm spacing to the filter screen frame in the outside of baffle, many locating levers aim at the constant head tank this moment, positioning spring pull-back location arm-tie, the relative spacing to L shape crimping board can be realized in the locating lever impels the constant head tank to the location arm-tie, can realize the quick assembly disassembly to the filter screen frame, be convenient for to the clearance change use of filter material.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, and this application makes the fume chamber have efficient air purification function, avoids waste gas direct emission to cause environmental pollution's problem.

Drawings

FIG. 1 is a schematic structural diagram of a laboratory fume hood with air purification function according to the present application;

FIG. 2 is a schematic side view, in cross-section, of a portion of a laboratory fume hood with air purification features in accordance with the present disclosure;

FIG. 3 is a schematic top sectional view of the L-shaped compression joint plate and baffle connection of the laboratory fume hood with air purification function according to the present application.

In the figure: 1. a cabinet body; 2. connecting columns; 3. an air draft cover; 4. a filter tank; 5. a filter screen frame; 6. a baffle plate; 7. filtering cotton; 8. an activated carbon adsorption layer; 9. a quartz sand layer; 10. an L-shaped crimping plate; 11. an exhaust pipe; 12. an exhaust duct; 13. an exhaust fan; 14. a T-shaped fixture block; 15. a T-shaped clamping groove; 16. positioning a rod; 17. positioning a groove; 18. positioning a pulling plate; 19. a positioning spring; 20. the groove is embedded.

Detailed Description

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

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

Referring to fig. 1-3, a laboratory ventilation hood with air purification function comprises a cabinet body 1, the inner wall of the top of the cabinet body 1 is fixedly connected with the same air draft hood 3 through a plurality of connecting posts 2, a filter tank 4 is arranged at the front side of the top of the cabinet body 1, a filter screen frame 5 is inserted in the filter tank 4, the front end of the filter screen frame 5 is fixedly connected with a baffle 6 which is blocked at the front side of the cabinet body 1, filter cotton 7 is sequentially arranged in the filter screen frame 5 from bottom to top, active carbon adsorption layer 8 and quartz sand layer 9, the upper end front side symmetry joint of the cabinet body 1 has two crimping boards 10 that appear of crimping outside baffle 6, through the positioning mechanism joint between the vertical portion of L shape crimping board 10 and the baffle 6, the upper end of suction hood 3 is passed through exhaust pipe 11 and filter tank 4 intercommunication, the fixed intercommunication in top of the cabinet body 1 has exhaust pipe 12, be equipped with exhaust fan 13 on the exhaust pipe 12, exhaust fan 13 is fixed to be installed in the upper end of the cabinet body 1.

The upper end of the cabinet body 1 is fixedly connected with T-shaped clamping blocks 14 on two opposite sides, and a T-shaped clamping groove 15 matched and clamped with the T-shaped clamping blocks 14 is formed in the side wall of the L-shaped crimping plate 10.

The positioning mechanism comprises a plurality of movable positioning rods 16 inserted in the front of the L-shaped crimping plate 10, a plurality of positioning grooves 17 matched and inserted with the positioning rods 16 are formed in the outer side of the baffle 6, the front ends of the positioning rods 16 are fixedly connected with a same positioning pull plate 18, and a plurality of positioning springs 19 respectively sleeved outside the positioning rods 16 are fixedly connected to one opposite side of the positioning pull plate 18 and the L-shaped crimping plate 10.

The tank bottom that the cabinet body 1 corresponds filter tank 4 is seted up and is used for inlaying of 5 grafting of filter screen frames to establish groove 20, and the grafting through 5 and the inlaying of establishing groove 20 of filter screen frames can be with filtering the filler quick positioning in filter tank 4.

One side fixedly connected with one deck sealed cushion of baffle 6 is close to cabinet body 1 for it is good to connect the leakproofness.

The draft hood 3 is formed in a trapezoidal structure.

Working principle, when in use, the exhaust fan 13 forms negative pressure suction into the filter tank 4 through the exhaust pipe 12 through the filter tank 4, and then exhaust gas generated is rapidly discharged through the exhaust pipe 11 in cooperation with the exhaust hood 3, the exhaust gas passes through the filter tank 4 first and is subjected to multiple exhaust gas treatment and filtration through the filter cotton 7, the activated carbon adsorption layer 8 and the quartz sand layer 9, so that the ventilation cabinet has an efficient air purification function, the problem of environmental pollution caused by direct discharge of the exhaust gas is avoided, the filter filler can be rapidly positioned in the filter tank 4 through the splicing of the filter screen frame 5 and the embedding groove 20 through the baffle 6 and the L-shaped compression joint plate 10, the baffle 6 is abutted against the outer side of the cabinet body 1 at the moment, the L-shaped compression joint plate 10 is rapidly connected to the outer side of the cabinet body 1 through the matching clamping of the T-shaped clamping block 14 and the T-shaped clamping groove 15, and the L-shaped compression joint plate 10 is pressed on the outer side of the baffle 6 to realize stable limitation of the filter screen frame 5, many locating levers 16 aim at constant head tank 17 this moment, and positioning spring 19 draws back location arm-tie 18, and location arm-tie 18 can realize spacing relatively to L shape crimping board 10 in pushing into constant head tank 17 with locating lever 16, can realize the quick assembly disassembly to filter screen frame 5, is convenient for change the use to the clearance of crossing the filter material.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present application, and equivalent alternatives or modifications according to the technical solutions and the application concepts of the present application, which are within the technical scope of the present application.

Claims (6)

1. The utility model provides a laboratory fume chamber with air purification function, includes the cabinet body (1), its characterized in that, the top inner wall of the cabinet body (1) is through the same suction hood (3) of many spliced poles (2) fixedly connected with, the top front side of the cabinet body (1) is seted up and is equipped with filter tank (4), filter screen frame (5) are equipped with in the interpolation of filter tank (4), the front end fixedly connected with of filter screen frame (5) keeps off baffle (6) at the cabinet body (1) front side, supreme filter pulp (7), active carbon adsorption layer (8) and quartz sand layer (9) of being equipped with in proper order are followed in filter screen frame (5), the upper end front side symmetry joint of the cabinet body (1) has two L shape crimping board (10) of crimping outside baffle (6), through the positioning mechanism joint between the vertical portion of L shape crimping board (10) and baffle (6), the upper end of the draught hood (3) is communicated with the filter tank (4) through an air exhaust pipe (11), the top end of the cabinet body (1) is fixedly communicated with an exhaust pipe (12), the exhaust pipe (12) is provided with an exhaust fan (13), and the exhaust fan (13) is fixedly arranged at the upper end of the cabinet body (1).

2. The laboratory fume hood with the air purification function according to claim 1, wherein the cabinet body (1) is fixedly connected with T-shaped clamping blocks (14) on two opposite sides of the upper end, and the side wall of the L-shaped crimping plate (10) is provided with T-shaped clamping grooves (15) matched and clamped with the T-shaped clamping blocks (14).

3. The laboratory ventilation cabinet with the air purification function according to claim 1, wherein the positioning mechanism comprises a plurality of movable insertion positioning rods (16) arranged at the front side of the L-shaped crimping plate (10), a plurality of positioning grooves (17) matched and inserted with the positioning rods (16) are formed in the outer side of the baffle plate (6), a plurality of positioning pull plates (18) are fixedly connected to the front ends of the positioning rods (16), and a plurality of positioning springs (19) respectively sleeved outside the positioning rods (16) are fixedly connected to one opposite side of the positioning pull plates (18) and the L-shaped crimping plate (10).

4. The laboratory fume hood with the air purification function according to claim 1, wherein the bottom of the cabinet body (1) corresponding to the filter tank (4) is provided with an embedded groove (20) for inserting the filter screen frame (5).

5. The laboratory fume hood with the air purification function according to claim 1, wherein a layer of sealing rubber gasket is fixedly connected to one side of the baffle plate (6) close to the hood body (1).

6. A laboratory fume hood with air cleaning function according to claim 1, characterized in that said hood (3) is of trapezoidal configuration.

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