CN211359994U - Self-purification non-pipeline laboratory ventilation cabinet - Google Patents
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- CN211359994U CN211359994U CN201922353406.9U CN201922353406U CN211359994U CN 211359994 U CN211359994 U CN 211359994U CN 201922353406 U CN201922353406 U CN 201922353406U CN 211359994 U CN211359994 U CN 211359994U
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Abstract
The utility model belongs to the technical field of laboratory equipment, in particular to a self-purification ductless laboratory fume hood, which comprises an operation table, a self-purification channel arranged at the top of the operation table, a fan arranged in the self-purification channel and an air purification module arranged in the self-purification channel; the operating platform is of a cavity structure, an operating opening is formed in the front side wall of the operating platform, and the operating platform is used for providing an experiment operating space; the inlet end of the self-purification channel is communicated with the upper wall of the operating platform, and the outlet end of the self-purification channel is communicated with the outside; the fan with the air purification module links to each other, the fan is used for extracting the air in the operation panel, the air purification module is used for purifying air in the self-purification passageway. The utility model discloses can practice thrift laboratory exhaust-gas treatment's investment cost and running cost, can also guarantee that the experimenter does not receive the excessive threat of experiment waste gas, have with low costs, the energy consumption is little, safe and reliable's characteristics.
Description
Technical Field
The utility model belongs to the technical field of laboratory paraphernalia, particularly, the utility model relates to a self-purification does not have pipeline laboratory fume chamber.
Background
At present, most laboratory waste gas is directly discharged without being treated, so that the air pollution is aggravated, and the physical health of experimenters is also harmed.
In order to solve the problem, some solutions exist in the prior art, most of the systems carry out waste gas treatment by building pipelines inside and outside a laboratory, such as the utility model patent application document with application number of 201820412391, application date of 2018, 26/3/2018, the invention creates a utility model patent application file named as a laboratory fume hood system, the utility model discloses a laboratory fume hood system, which comprises a laboratory, a first air suction pipeline and a second air suction pipeline, an air suction box is arranged on the upper inner wall of the laboratory, the left end of the air suction box is communicated with the first air suction pipeline, the device can achieve the effect of circulating and circulating air in the whole laboratory, fresh air is filtered and discharged from the floor of the laboratory, air with poor quality is discharged through the air suction box on the upper inner wall of the laboratory after the air circulation in the whole laboratory rises, and the air quality in the laboratory can be improved, solves the problem of direct exhaust of waste gas to a certain extent.
The scheme of carrying out exhaust-gas treatment through setting up the pipeline also has the drawback, promptly: the laboratory is not the saturation utilization when carrying out the experiment (take place every time experiment in the laboratory not need use all laboratorials, but according to the demand with a part of laboratorials), therefore it is relatively poor to carry out exhaust-gas treatment's way economic suitability to whole laboratory through setting up the pipeline to carry out exhaust-gas treatment to whole laboratory can put forward higher requirement to the power of fan, the cost of setting up of pipeline also can correspondingly increase, still has the problem that the energy consumption is big, with high costs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a self-purification does not have pipeline laboratory fume chamber, energy consumption is big, with high costs technical problem when can solving laboratory exhaust-gas treatment.
In order to solve the problem, the utility model provides a self-purification does not have pipeline laboratory fume chamber, its technical scheme as follows:
a self-purification ductless laboratory fume hood comprises an operation platform, a self-purification channel arranged at the top of the operation platform, a fan arranged in the self-purification channel and an air purification module arranged in the self-purification channel; the operating platform is of a cavity structure, an operating opening is formed in the front side wall of the operating platform, and the operating platform is used for providing an experiment operating space; the inlet end of the self-purification channel is communicated with the upper wall of the operating platform (a circular air hole is arranged at the joint of the upper wall of the operating platform and the inlet end, air in the operating platform enters the self-purification channel from the inlet end through the air hole), and the outlet end of the self-purification channel is communicated with the outside; the fan with the air purification module links to each other, the fan is used for extracting the air in the operation panel, the air purification module is used for purifying air in the self-purification passageway.
The self-cleaning ductless laboratory fume hood as described above, further preferably: the air purification module comprises a first purification module, a second purification module and a third purification module; the first purification module is connected with the fan; the second purification module is positioned in the middle of the self-purification channel; the third purification module is connected with the outlet end.
The self-cleaning ductless laboratory fume hood as described above, further preferably: the first purification module comprises a sponge layer and a modified activated carbon layer; the sponge layer is cylindrical and is used for removing water vapor; the modified activated carbon layer is positioned on the outer side of the sponge layer and used for adsorbing acid gas.
The self-cleaning ductless laboratory fume hood as described above, further preferably: the second purification module comprises a mounting frame, a first filter screen and a second filter screen, wherein the first filter screen and the second filter screen are mounted on the mounting frame; first filter screen with second filter screen parallel arrangement installs two opposite sides of installation frame for clear away the particulate matter.
The self-cleaning ductless laboratory fume hood as described above, further preferably: the third purification module comprises a filter main body and an active carbon filter material; the filter main body is of a square net structure and is used for placing the active carbon filter material; the active carbon filter material is arranged in the filter main body and used for removing volatile organic compounds.
The self-cleaning ductless laboratory fume hood as described above, further preferably: the first purification module, the second purification module and the third purification module are one and/or a plurality of, are arranged in sequence along the direction from the inlet end to the outlet end, and are positioned on the same straight line.
The self-cleaning ductless laboratory fume hood as described above, further preferably: the fan comprises an inlet section fan and a middle section fan; the inlet section fan is arranged at the inlet end of the self-purification channel and is connected with the inlet end; the middle section fan is installed in the middle of the self-purification channel and connected with the air purification module.
The self-cleaning ductless laboratory fume hood as described above, further preferably: a first air collecting cover is arranged on the inlet section fan; and a second air collecting cover is arranged on the middle-section fan.
The self-cleaning ductless laboratory fume hood as described above, further preferably: the self-purification channel comprises a channel main body and a channel cover plate, and the channel cover plate is arranged on the channel main body and used for sealing the channel main body; the channel main part includes a plurality of purification cavity, be equipped with the ventilation hole on the purification cavity, it is adjacent the purification cavity communicates with each other, the purification cavity is used for placing the fan and/or air purification module.
The self-cleaning ductless laboratory fume hood as described above, further preferably: a sealing gasket is arranged between the channel cover plate and the channel main body; the vent hole is covered with a sponge pad.
The self-cleaning ductless laboratory fume hood as described above, further preferably: the experiment table is arranged at the bottom of the operating table and used for bearing the operating table.
The analysis can know, compare with prior art, the utility model discloses an advantage and beneficial effect lie in:
the utility model discloses a fan that self-purification does not have pipeline laboratory fume chamber is located self-purification passageway can extract the air in the operation panel, and the air admission in the operation panel purifies through air purification module behind the self-purification passageway, is discharged by the exit end again to can carry out exhaust-gas treatment to the laboratory bench that is experimental. A pipeline does not need to be built inside and outside the laboratory, so that the investment cost of laboratory waste gas treatment can be saved; when laboratory waste gas is treated, waste gas treatment can be carried out aiming at a laboratory table in experiment and not aiming at the whole laboratory, so that the operation cost can be reduced; when carrying out exhaust-gas treatment to the laboratory bench, can form the air and get into the operation panel by the external world in proper order, get into the circulation route from purifying channel by the operation panel again, can also guarantee that the experimenter does not receive the excessive threat of experiment waste gas to have with low costs, the energy consumption is little, safe and reliable's characteristics.
Drawings
Fig. 1 is the structural schematic diagram of the self-purification ductless laboratory fume hood of the present invention.
Fig. 2 is a cross-sectional view of the channel body of the present invention.
Fig. 3 is an installation schematic diagram of the first purification module of the present invention.
Fig. 4 is a schematic structural diagram of a second purification module according to the present invention.
Fig. 5 is a cross-sectional view of a second purification module of the present invention.
Fig. 6 is a schematic structural diagram of a third purification module according to the present invention.
Fig. 7 is a cross-sectional view of a third purification module of the present invention.
Fig. 8 is an installation diagram of the experiment table of the present invention.
In the figure: 1-a channel body; 2-a channel cover plate; 3-an outlet end; 4-an operation port; 5-an operation table; 6-a first wind-collecting cover; 7-sponge layer; 8-modified activated carbon layer; 9-inlet section fan; 10-a second purification module; 11-a middle-section fan; 12-a second wind-collecting cover; 13-a third purification module; 14-a decontamination chamber; 15-a first purification module; 16-a first screen; 17-a second screen; 18-a mounting frame; 19-a filter body; 20-active carbon filter material; 21-laboratory bench.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 8, fig. 1 is a schematic structural view of a self-cleaning ductless laboratory fume hood of the present invention; FIG. 2 is a cross-sectional view of the channel body of the present invention (the cross-sectional view is at the lower surface of the top surface of the channel body); fig. 3 is a schematic view of the installation of the first purification module of the present invention; FIG. 4 is a schematic structural view of a second purification module of the present invention; FIG. 5 is a cross-sectional view of a second purification module of the present invention; fig. 6 is a schematic structural diagram of a third purification module of the present invention; FIG. 7 is a cross-sectional view of a third purification module of the present invention; fig. 8 is an installation diagram of the experiment table of the present invention.
As shown in fig. 1 and fig. 2, the utility model provides a self-cleaning ductless laboratory fume hood, which comprises an operation desk 5, a self-cleaning channel installed on the top of the operation desk 5, a fan installed in the self-cleaning channel and an air cleaning module installed in the self-cleaning channel; the operation table 5 is of a cavity structure, the front side wall of the operation table is provided with an operation opening 4, and the operation table 5 is used for providing an experiment operation space; the inlet end of the self-purification channel is communicated with the upper wall of the operation table 5 (a circular air hole is arranged at the joint of the upper wall of the operation table 5 and the inlet end, air in the operation table 5 enters the self-purification channel from the inlet end through the air hole), and the outlet end 3 is communicated with the outside; the fan is connected with the air purification module, the fan is used for extracting air in the operating platform 5, and the air purification module is used for purifying air in the self-purification channel.
Particularly, the utility model discloses a self-purification does not have pipeline laboratory fume chamber places on the laboratory bench when using, and the laboratory staff tests in operation panel 5, and the operation panel 4 of lateral wall can let the laboratory staff stretch into hand and arm in operation panel 5 before the operation panel 5, provides operating window for the laboratory staff, and operation panel 5 can provide operating space for the laboratory staff. From purifying channel and installing the top at operation panel 5 to communicate with each other through entrance point and operation panel 5, when carrying out the experiment, be located that the fan is opened in purifying channel, can extract the air in the operation panel 5, the air admission in the operation panel 5 purifies through the air purification module after purifying channel, is discharged by exit end 3 again, can carry out exhaust-gas treatment to the laboratory bench 21 that is carrying out the experiment. And, along with the air in the operation panel 5 is drawn to the fan, atmospheric pressure in the operation panel 5 is the negative pressure for atmospheric pressure, and the outside air gets into in the operation panel 5 by operation mouth 4 to the circulation of air passageway that forms is operation mouth 4, operation panel 5, entrance point, self-purification passageway, exit end 3 in proper order, can avoid waste gas to spill over by operation mouth 4 and threaten laboratory staff's health. The self-purification pipeline-free laboratory ventilation cabinet of the utility model does not need to build a pipeline inside and outside the laboratory, so that the investment cost of laboratory waste gas treatment can be saved; when laboratory exhaust gas is treated, the exhaust gas treatment can be performed for the laboratory table 21 in which experiments are being performed, rather than for the entire laboratory, and the operation cost can be reduced; when carrying out exhaust-gas treatment to laboratory bench 21, can form the air and get into operation panel 5 by the external world in proper order, get into the circulation route from purifying the passageway by operation panel 5 again, can also guarantee that the experimenter does not receive the excessive threat of experimental waste gas, can avoid the experimenter to inhale some poisonous and harmful, can be pathogenic or the obscure chemical substance of toxicity in the experiment, provide safety protection for the experimenter to have with low costs, the energy consumption is little, safe and reliable's characteristics.
Meanwhile, as shown in fig. 1 to 8, the present invention provides the following improvement.
As shown in fig. 1 and 2, the self-cleaning channel of the present invention includes a channel main body 1 and a channel cover plate 2, wherein the channel cover plate 2 is mounted on the channel main body 1 for closing the channel main body 1, and can be detached from the channel main body 1 when the blower and the air cleaning module need to be replaced; the channel body 1 comprises a plurality of purification chambers 14, the purification chambers 14 are provided with vent holes, and adjacent purification chambers 14 are communicated. The air purification module comprises a first purification module 15, a second purification module 10 and a third purification module 13, wherein the first purification module 15, the second purification module 10 and the third purification module 13 are respectively installed in different purification chambers 14. The fan comprises an inlet fan 9 and a middle fan 11; the inlet section fan 9 is arranged at the inlet end of the self-purification channel, is connected with the inlet end and is positioned in the same purification chamber 14 with the first purification module 15; the middle section fan 11 is arranged in the cavity in the middle of the self-purification channel and is respectively connected with the second purification module 10 and the third purification module 13 in the adjacent cavity, and the third purification module 13 is connected with the outlet end 3. The utility model discloses to divide into a plurality of purification cavity 14 from the purification passageway to set up air purification module into a plurality ofly, can install a plurality of air purification modules respectively at different purification cavity 14, carry out the step to experimental waste gas and handle, and can carry out arranging of air purification module kind to different kinds of waste gas. And simultaneously, the utility model discloses set up the fan into import section fan 9 and middle section fan 11, circulation of air efficiency when can guaranteeing the experiment improves experiment exhaust purification efficiency.
Further, in order to prevent the air before and after purification from being connected in series to reduce the purification effect, as shown in fig. 2, the first air collecting cover 6 is installed on the inlet fan 9 of the present invention, and the first air collecting cover 6 is used for collecting the exhaust gas discharged from the inlet fan 9 (the exhaust gas sucked from the inside of the console 5 by the inlet fan 9), so as to ensure that the exhaust gas is processed by the first purification module 15; install second wind-collecting cover 12 on middle section fan 11 for collect middle section fan 11 exhaust waste gas, ensure that the waste gas after second purification module 10 purifies gets into third purification module 13 and handles, thereby can prevent that the waste gas of different purification stages from interchanging and reducing purifying effect.
Further, as shown in fig. 2 to 7, the first purification module 15 of the present invention includes a sponge layer 7 and a modified activated carbon layer 8, the sponge layer 7 is cylindrical, and the modified activated carbon layer 8 is located outside the sponge layer 7; the second purification module 10 comprises a mounting frame 18, a first filter screen 16 and a second filter screen 17 which are mounted on the mounting frame 18, wherein the first filter screen 16 and the second filter screen 17 are arranged in parallel and mounted on two opposite sides of the mounting frame 18; the third purification module 13 comprises a filter main body 19 and an activated carbon filter material 20; the filter main body 19 is a square net structure, and the active carbon filter material 20 is arranged in the filter main body 19.
The utility model discloses a first purification module 15 is the drum type, and one end top is leaned on at the inboard top from purifying the passageway, and the other end links to each other with the air outlet of first air-collecting cover 6, and waste gas is excessive by the inboard of drum type when first purification module 15, can remove vapor through sponge layer 7 in proper order, removes sour gas through modified activated carbon layer 8. Preferably, the modified activated carbon of the modified activated carbon layer 8 can be the high-efficiency aldehyde-removing odor-free activated carbon disclosed in the patent application documents with the application numbers of 201811003547.1, the application dates of 2018, 8 and 30, the name of which is the high-efficiency aldehyde-removing odor-free activated carbon and the processing method thereof.
The utility model discloses a second purifies module 10 and is the cuboid type, and installation frame 18 can provide the mounted position for first filter screen 16 and second filter screen 17, and first filter screen 16 and second filter screen 17 parallel arrangement install on installation frame 18 opposite two sides and perpendicular to experiment exhaust gas circulation direction, can filter the particulate matter in the waste gas, form double-deck filtration interception to the particulate matter to purify experiment waste gas. The mounting frame 18 may be made of paper or plastic; the first filter screen and the second filter screen can be made of PP, PET and glass fiber materials through a melt-blown process. Preferably, the first filter screen filtration level is a F8 rating and the second filter screen filtration level is a H12 rating.
The utility model discloses a third purification module 13 is cuboid type casing, and the surface of perpendicular to exhaust gas circulation direction is the wire side on the filter main part 19 for improve third purification module 13's permeability, the organic matter in the exhaust gas can further be clear away to the active carbon filter material 20 of installation in the third purification module 13, purifies experiment waste gas. In terms of material selection, the activated carbon filter material 20 is preferably coconut shell or nutshell activated carbon, the granularity can be selected from any one of 4 meshes, 6 meshes, 8 meshes or 10 meshes or a combination thereof, and the function of removing volatile organic compounds is realized through modification. Further, the material of the activated carbon filter material 20 is preferably an integral type aldehyde-removing carbon block material disclosed in the utility model patent with the application number of 201821350892.8, the application date of 2018, 8 and 21 months, and the name of invention creation as an air purifier filter element; the filter body 19 may be made of engineering plastic.
In order to further improve the purification effect of the present invention, as shown in fig. 2, the first purification module 15, the second purification module 10, and the third purification module 13 of the present invention are one and/or a plurality of purification modules, and the first purification module 15, the second purification module 10, and the third purification module 13 are all installed in the ventilation holes of the purification chamber 14 where they are located, so as to ensure the waste gas to sequentially pass through the first purification module 15, the second purification module 10, and the third purification module 13. The space of the purification chamber 14 is larger than the volumes of the first purification module 15, the second purification module 10 and the third purification module 13, and the first purification module 15, the second purification module 10 and the third purification module 13 are sequentially arranged along the direction from the inlet end to the outlet end 3 and are positioned on the same straight line. Thereby can prolong the waste gas dwell time in every purification cavity 14, further improve the utility model discloses a purifying effect. Preferably, there are one first purification module 15, two second purification modules 10 and three third purification modules 13.
Furthermore, in order to ensure the air tightness of the present invention, a sealing gasket is installed between the channel cover plate 2 and the channel main body 1, and the sealing gasket is preferably a rubber gasket; the ventilation hole coats and is stamped the foam-rubber cushion, and first purification module 15, second purification module 10, third purification module 13 all link to each other with the ventilation hole through the foam-rubber cushion.
As a further extension, the utility model discloses a self-purification does not have pipeline laboratory fume chamber can also integrate with laboratory bench 21 and become the integral type structure. As shown in fig. 8, the utility model discloses still include laboratory bench 21, laboratory bench 21 is installed in the bottom of operation panel 5 for bear operation panel 5, thereby form integral type experimental apparatus.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. The utility model provides a self-purification does not have pipeline laboratory fume chamber which characterized in that includes:
the air purifier comprises an operating platform, a self-purification channel arranged at the top of the operating platform, a fan arranged in the self-purification channel and an air purification module arranged in the self-purification channel;
the operating platform is of a cavity structure, an operating opening is formed in the front side wall of the operating platform, and the operating platform is used for providing an experiment operating space; the inlet end of the self-purification channel is communicated with the upper wall of the operating platform, and the outlet end of the self-purification channel is communicated with the outside; the fan with the air purification module links to each other, the fan is used for extracting the air in the operation panel, the air purification module is used for purifying air in the self-purification passageway.
2. The self-cleaning ductless laboratory fume hood according to claim 1, wherein:
the air purification module comprises a first purification module, a second purification module and a third purification module; the first purification module is connected with the fan; the second purification module is positioned in the middle of the self-purification channel; the third purification module is connected with the outlet end.
3. The self-decontaminating ductless laboratory fume hood according to claim 2, wherein:
the first purification module comprises a sponge layer and a modified activated carbon layer; the sponge layer is cylindrical and is used for removing water vapor; the modified activated carbon layer is positioned on the outer side of the sponge layer and used for adsorbing acid gas.
4. The self-decontaminating ductless laboratory fume hood according to claim 2, wherein:
the second purification module comprises a mounting frame, a first filter screen and a second filter screen, wherein the first filter screen and the second filter screen are mounted on the mounting frame; first filter screen with second filter screen parallel arrangement installs two opposite sides of installation frame for clear away the particulate matter.
5. The self-decontaminating ductless laboratory fume hood according to claim 2, wherein:
the third purification module comprises a filter main body and an active carbon filter material; the filter main body is of a square net structure and is used for placing the active carbon filter material; the active carbon filter material is arranged in the filter main body and used for removing volatile organic compounds.
6. The self-decontaminating ductless laboratory fume hood according to claim 2, wherein:
the first purification module, the second purification module and the third purification module are one and/or a plurality of, are arranged in sequence along the direction from the inlet end to the outlet end, and are positioned on the same straight line.
7. The self-cleaning ductless laboratory fume hood according to claim 1, wherein:
the fan comprises an inlet section fan and a middle section fan; the inlet section fan is arranged at the inlet end of the self-purification channel and is connected with the inlet end; the middle section fan is installed in the middle of the self-purification channel and connected with the air purification module.
8. The self-decontaminating ductless laboratory fume hood according to claim 7, wherein:
a first air collecting cover is arranged on the inlet section fan; and a second air collecting cover is arranged on the middle-section fan.
9. The self-cleaning ductless laboratory fume hood according to claim 1, wherein:
the self-purification channel comprises a channel main body and a channel cover plate, the channel cover plate is arranged on the channel main body and used for sealing the channel main body, and a sealing gasket is arranged between the channel cover plate and the channel main body;
the channel main part includes a plurality of purification chambers, be equipped with the ventilation hole on the purification chamber, the ventilation hole coats and is stamped the foam-rubber cushion, and is adjacent purification chamber communicates with each other, purification chamber is used for placing the fan and/or air purification module.
10. The self-decontaminating ductless laboratory fume hood according to any of claims 1 to 9, further comprising:
the experiment table is installed at the bottom of the operating table and used for bearing the operating table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922353406.9U CN211359994U (en) | 2019-12-24 | 2019-12-24 | Self-purification non-pipeline laboratory ventilation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922353406.9U CN211359994U (en) | 2019-12-24 | 2019-12-24 | Self-purification non-pipeline laboratory ventilation cabinet |
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| Publication Number | Publication Date |
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| CN211359994U true CN211359994U (en) | 2020-08-28 |
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| CN201922353406.9U Active CN211359994U (en) | 2019-12-24 | 2019-12-24 | Self-purification non-pipeline laboratory ventilation cabinet |
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