Ventilation cabinet with waste gas treatment function

Abstract

The utility model relates to the technical field of ventilation cabinets, in particular to a ventilation cabinet with a waste gas treatment function, which comprises a working bin, a drainage fan arranged above the working bin and a ventilation pipeline mounted above the drainage fan, and is characterized in that the drainage fan is positioned right above one end of the working bin, and a mounting pipe is screwed outside the drainage fan; a first sealing door is mounted beside the drainage fan; a plurality of activated carbon adsorption boxes are mounted in the activated carbon adsorption frame, and a second sealing door is mounted beside the activated carbon adsorption frame; the device has the beneficial effects that gas can be drained through the drainage fan above one end of the working bin, then adsorbed through the activated carbon adsorption box in the activated carbon adsorption frame and finally exhausted through the ventilation pipeline, the drainage fan and the installation pipe are installed in a threaded connection mode, the drainage fan can be detached by rotating the drainage fan, and the operation is convenient. And the activated carbon adsorption frame can be detached by opening the second sealing door and then pulling out the activated carbon adsorption frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation cabinet technical field, concretely is a ventilation cabinet with waste gas treatment function. BACKGROUND

[0002] Ventilation cabinet plays a key role in the laboratory, and its performance directly affects the experimental safety and air quality, and efficient ventilation cabinet can timely discharge harmful gas, steam and particulate matter, protect the health of experimental personnel, and prevent pollutants from spreading to the laboratory environment, ventilation cabinet mainly through the drainage hole, cooperate with the drainage fan and waste gas treatment device to ensure the indoor air quality.

[0003] In the prior art, the traditional ventilation cabinet is mainly composed of a main cabinet, a drainage plate, a drainage fan and a waste gas treatment device, wherein the main cabinet is used for accommodating experimental operation, the drainage plate guides the uniform distribution of airflow, the drainage fan accelerates the discharge of harmful gas, and the waste gas treatment device purifies the discharged harmful substances to reduce environmental pollution, and the cooperation of the components ensures the indoor air quality.

[0004] However, the drainage device and the waste gas treatment device of the traditional ventilation cabinet are fixedly installed in the ventilation cabinet, which enhances the structural stability, but also causes inconvenience during equipment maintenance, especially when the filter element needs to be replaced or the parts need to be repaired, the complex disassembly process increases the maintenance time and cost, and may affect the normal use efficiency of the ventilation cabinet, therefore, the utility model provides a ventilation cabinet with waste gas treatment function to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a ventilation cabinet with waste gas treatment function to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a ventilation cabinet with waste gas treatment function, comprising: a working bin, a drainage fan is arranged above the working bin, a ventilation duct is installed above the drainage fan, characterized in that: the drainage fan is located directly above one end of the working bin, an installation pipe is screwed outside the drainage fan, a first sealing door is installed beside the drainage fan;

[0007] An activated carbon adsorption frame is installed in the working bin, a plurality of activated carbon adsorption boxes are installed in the activated carbon adsorption frame, and a second sealing door is installed beside the activated carbon adsorption frame.

[0008] Preferably, the working bin is located in the main box as a whole, a third sealing door is installed at one end of the working bin, the main box is in the form of a rectangular box as a whole, a storage cabinet is installed below the main box, a plurality of drainage holes are formed in the inner wall surface of the working bin, a connecting frame is fixedly installed above the main box, and a ventilation groove is formed in the surface of the main box away from the third sealing door.

[0009] Preferably, the connecting frame is in the overall cuboid structure, the bottom surface of the connecting frame is provided with a communication groove, the communication groove is opposite to the ventilation groove, the communication groove and the ventilation groove are communicated with the working bin through the drainage hole, the upper end inner wall of the communication groove is fixedly installed with a mounting plate, and the upper end surface of the connecting frame is fixedly installed with a processing frame.

[0010] Preferably, the mounting plate is in the overall square plate structure, a plurality of linear equidistantly arranged mounting holes are formed in the surface of the mounting plate, a mounting pipe is fixedly installed above the mounting holes, a drainage fan is screwed in the mounting pipe, and a dismounting handle is fixedly installed above the drainage fan.

[0011] Preferably, the processing frame is in the overall cuboid structure, the bottom surface of the processing frame is provided with a communication hole, the inner wall surface of the processing frame is fixedly installed with a sliding rail, an activated carbon adsorption frame is clamped in the processing frame, a plurality of clamping grooves are formed in the bottom surface of the activated carbon adsorption frame, a supporting net is fixedly installed in the clamping grooves, an activated carbon adsorption box is installed in the clamping grooves in the overall mode, clamping blocks are fixedly installed at the both ends of the lower end surface of the activated carbon adsorption frame, the clamping blocks are clamped in the sliding rail in the overall mode, and the clamping blocks can linearly displace along the sliding rail.

[0012] Preferably, the ventilation pipe is fixedly installed with an air inlet frame at the lower end, the air inlet frame is fixedly installed on the upper surface of the processing frame, the upper surface of the processing frame is provided with a hole, the air inlet frame is located above the hole, and the connecting plate is fixedly installed at the upper end of the ventilation pipe.

[0013] Compared with the prior art, the ventilation cabinet with the waste gas treatment function has the beneficial effects that:

[0014] The ventilation cabinet with the waste gas treatment function provided by the utility model can drain gas through the drainage fan above one end of the working bin, adsorb the gas through the activated carbon adsorption box in the activated carbon adsorption frame, and finally discharge the gas through the ventilation pipe. The drainage fan is screw-connected and installed with the mounting pipe, the drainage fan can be dismounted by rotating the drainage fan, the activated carbon adsorption frame can be dismounted by opening the second sealing door and then taking out the activated carbon adsorption frame, and the drainage and treatment modules can be conveniently and quickly dismounted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural internal structure schematic view of the working bin of the utility model;

[0017] Figure 3 It is a structural back surface schematic view of the utility model;

[0018] Figure 4 It is an overall structural explosion schematic view of the utility model;

[0019] Figure 5The utility model discloses a structure whole structure section view schematic diagram.

[0020] Figure 6 The utility model discloses a structure treatment device explosion schematic diagram.

[0021] In the drawing: 1, work storehouse;2, drainage fan;3, ventilation pipeline;4, install pipe;5, first sealed door;6, active carbon adsorption frame;7, active carbon adsorption box;8, second sealed door;9, main part box;10, storage cabinet;11, third sealed door;12, drainage hole;13, connecting frame;14, intercommunication groove;15, ventilation groove;16, mounting plate;17, processing frame;18, slide rail;19, support net. DETAILED DESCRIPTION

[0022] In order to make the utility model purposes, technical scheme carry out clearly, completely describe, and the advantage is more clear and distinct, following combining the drawing to the utility model embodiment further detailed explanation.Should understand, the specific embodiment described here is the utility model a part embodiment, instead of all the embodiment, just to explain the utility model embodiment, and does not use to limit the utility model embodiment, and all other embodiments that the ordinary skill in the art person obtains under the premise of not making the creative labor, belong to the range of protection of the utility model.

[0023] Embodiment one: please refer to Figures 1 to 6 The utility model provides a kind of technical scheme: a ventilation cabinet with waste gas treatment function, comprising: work storehouse 1, work storehouse 1 top is provided with drainage fan 2, drainage fan 2 top is installed with ventilation pipeline 3, drainage fan 2 is located in work storehouse 1 one end directly above, drainage fan 2 is externally screwed with install pipe 4, drainage fan 2 is installed with first sealed door 5 in one side;

[0024] Active carbon adsorption frame 6, several active carbon adsorption boxes 7 are installed in active carbon adsorption frame 6, second sealed door 8 is installed in one side of active carbon adsorption frame 6;

[0025] When using, gas can be drained by drainage fan 2 in one end top of work storehouse 1, then gas is adsorbed by active carbon adsorption box 7 in active carbon adsorption frame 6, finally is discharged through ventilation pipeline 3, and drainage fan 2 is connected with install pipe 4 and is installed by screw thread, by rotating drainage fan 2, drainage fan 2 can be disassembled, and active carbon adsorption frame 6 can open second sealed door 8 and then be extracted to be disassembled, the convenient and quick disassembly of drainage and processing module is realized, so as to avoid the problem of difficult operation of replacement component.

[0026] Example two: on the basis of example one is provided with in order to make the overall structure better disassembly and replacement with the installation plate 16, installation plate 16 overall square plate structure, installation plate 16 surface is provided with several linear equidistant arrangement of mounting hole, mounting hole is fixedly installed with installation pipe 4, installation pipe 4 is screwed with drainage fan 2, drainage fan 2 is fixedly installed with disassembly handle; The connecting frame 13 is a cuboid structure, the connecting frame 13 bottom surface is provided with a communication groove 14, the communication groove 14 is opposite to the ventilation slot 15, the communication groove 14, ventilation slot 15 is communicated with the working chamber 1 through the drainage hole 12, the communication groove 14 upper end inner wall is fixedly installed with the installation plate 16, the connecting frame 13 upper end surface is fixedly installed with the processing frame 17;

[0027] In order to facilitate disassembly, the operator can open the first sealing door 5, through rotating the disassembly handle above the drainage fan 2, the drainage fan 2 is disassembled from the installation pipe 4 on the surface of the installation plate 16, so as to facilitate the disassembly and replacement of the drainage fan 2, at the same time, the whole process is simple and easy to operate, and the complicated disassembly process is saved.

[0028] The processing frame 17 is a cuboid structure, the processing frame 17 bottom surface is provided with a communication hole, the processing frame 17 inner wall surface is fixedly installed with the slide rail 18, the processing frame 17 is clamped with the activated carbon adsorption frame 6, the activated carbon adsorption frame 6 bottom surface is provided with a plurality of clamping grooves, the clamping groove is fixedly installed with the support net 19, the activated carbon adsorption box 7 is installed in the clamping groove, the activated carbon adsorption frame 6 lower end surface is fixedly installed with the clamping block, the clamping block is clamped in the slide rail 18, the clamping block can move linearly along the slide rail 18; The air inlet frame is fixedly installed on the processing frame 17 upper surface, the processing frame 17 upper surface is provided with a hole, the air inlet frame is located above the hole, and the connecting plate is fixedly installed on the upper end of the ventilation duct 3;

[0029] In order to facilitate the replacement of the adsorption device, the operator can open the second sealing door 8, and apply an outward pulling force to the activated carbon adsorption frame 6, at this time, the activated carbon adsorption frame 6 moves along the slide rail 18, so as to disassemble the activated carbon adsorption frame 6 as a whole, and the activated carbon adsorption box 7 is arranged above the support net 19 on the bottom surface of the activated carbon adsorption frame 6, the operator directly replaces the activated carbon adsorption box 7 in the activated carbon adsorption frame 6, so as to facilitate the disassembly and installation as a whole.

[0030] Example three: on the basis of example two, in order to realize the treatment of waste gas, the working chamber 1 is provided, the working chamber 1 is located in the main body box 9, one end of the working chamber 1 is provided with the third sealing door 11, the main body box 9 is a cuboid structure, the main body box 9 is provided with the storage cabinet 10 below, the working chamber 1 inner wall surface is provided with a plurality of drainage holes 12, the main body box 9 is fixedly installed with the connecting frame 13 above, and the main body box 9 is provided with the ventilation slot 15 away from the third sealing door 11 one end surface;

[0031] In order to realize the treatment of waste gas, when the waste gas is generated in the environment, the waste gas can be drained and absorbed by the drainage fan 2 above one end of the working bin 1 and cooperated with the drainage hole 12, then the waste gas enters the processing frame 17 through the connecting frame 13, the activated carbon adsorption frame 6 is installed in the processing frame 17, the waste gas can enter the activated carbon adsorption box 7 through the supporting net 19 at the lower end of the activated carbon adsorption box 7, and then is discharged from the upper end of the activated carbon adsorption box 7, so that the treatment of the waste gas is realized, finally the waste gas is discharged to the outside through the ventilation pipeline 3, so that the treatment of the waste gas is realized.

[0032] Working principle: in actual use, the gas can be drained by the drainage fan 2 above one end of the working bin 1, then the gas is adsorbed by the activated carbon adsorption box 7 in the activated carbon adsorption frame 6, finally the gas is discharged through the ventilation pipeline 3, and the drainage fan 2 is threadedly connected with the installation pipe 4, so that the drainage fan 2 can be disassembled by rotating the drainage fan 2, and the activated carbon adsorption frame 6 can be disassembled by opening the second sealing door 8 and then taking out, so that the drainage and treatment modules are conveniently and quickly disassembled, so that the problem of difficult operation of replacing parts is avoided.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fume hood with exhaust gas treatment function, comprising: The working chamber (1) is equipped with a drainage fan (2) above the working chamber (1) and a ventilation duct (3) is installed above the drainage fan (2). The drainage fan (2) is located directly above one end of the working chamber (1), and an installation pipe (4) is screwed to the outside of the drainage fan (2). A first sealing door (5) is installed on one side of the drainage fan (2). An activated carbon adsorption frame (6) is provided, and several activated carbon adsorption boxes (7) are installed inside the activated carbon adsorption frame (6). A second sealing door (8) is installed on one side of the activated carbon adsorption frame (6).

2. A fume hood with exhaust gas treatment function according to claim 1, characterized in that: The working chamber (1) is located inside the main body box (9). A third sealing door (11) is installed at one end of the working chamber (1). The main body box (9) is a rectangular structure. A storage cabinet (10) is installed below the main body box (9). Several drainage holes (12) are opened on the inner wall surface of the working chamber (1). A connecting frame (13) is fixedly installed on the top of the main body box (9). A ventilation slot (15) is opened on the surface of the main body box (9) away from the third sealing door (11).

3. A fume hood with exhaust gas treatment function according to claim 2, characterized in that: The connecting frame (13) is a rectangular parallelepiped structure. A connecting groove (14) is provided on the bottom surface of the connecting frame (13). The connecting groove (14) is directly opposite the ventilation groove (15). The connecting groove (14) and the ventilation groove (15) are connected to the working chamber (1) through the drainage hole (12). An installation plate (16) is fixedly installed on the inner wall of the upper end of the connecting groove (14). A processing frame (17) is fixedly installed on the upper surface of the connecting frame (13).

4. A fume hood with exhaust gas treatment function according to claim 3, characterized in that: The mounting plate (16) is a square plate structure. Several linearly equidistant mounting holes are opened on the surface of the mounting plate (16). A mounting tube (4) is fixedly installed directly above the mounting holes. A flow fan (2) is screwed into the mounting tube (4). A disassembly handle is fixedly installed above the flow fan (2).

5. A fume hood with exhaust gas treatment function according to claim 3, characterized in that: The processing frame (17) is a rectangular parallelepiped structure. A connecting hole is provided on the bottom surface of the processing frame (17). A slide rail (18) is fixedly installed on the inner wall surface of the processing frame (17). An activated carbon adsorption frame (6) is inserted into the processing frame (17). Several slots are provided on the bottom surface of the activated carbon adsorption frame (6). A support net (19) is fixedly installed in the slot. The activated carbon adsorption box (7) is installed in the slot. Two blocks are fixedly installed on the lower surface of the activated carbon adsorption frame (6). The blocks are fixedly inserted into the slide rail (18). The blocks can move linearly along the slide rail (18).

6. A fume hood with exhaust gas treatment function according to claim 1, characterized in that: A ventilation frame is fixedly installed at the lower end of the ventilation duct (3). The ventilation frame is fixedly installed on the upper surface of the treatment frame (17). A hole is opened on the upper surface of the treatment frame (17). The ventilation frame is located directly above the hole. A connecting plate is fixedly installed at the upper end of the ventilation duct (3).

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